// Copyright (C) 2005 Davis E. King (davis@dlib.net), Keita Mochizuki // License: Boost Software License See LICENSE.txt for the full license. #ifndef DLIB_WIDGETs_CPP_ #define DLIB_WIDGETs_CPP_ #include "widgets.h" #include <algorithm> #include "../string.h" namespace dlib { // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // toggle_button object methods // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- void toggle_button:: set_size ( unsigned long width, unsigned long height ) { auto_mutex M(m); rectangle min_rect = style->get_min_size(name_,*mfont); // only change the size if it isn't going to be too small to fit the name if (height >= min_rect.height() && width >= min_rect.width()) { rectangle old(rect); rect = resize_rect(rect,width,height); parent.invalidate_rectangle(rect+old); btn_tooltip.set_size(width,height); } } // ---------------------------------------------------------------------------------------- void toggle_button:: set_checked ( ) { auto_mutex M(m); checked = true; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void toggle_button:: set_unchecked ( ) { auto_mutex M(m); checked = false; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- bool toggle_button:: is_checked ( ) const { auto_mutex M(m); return checked; } // ---------------------------------------------------------------------------------------- void toggle_button:: show ( ) { button_action::show(); btn_tooltip.show(); } // ---------------------------------------------------------------------------------------- void toggle_button:: hide ( ) { button_action::hide(); btn_tooltip.hide(); } // ---------------------------------------------------------------------------------------- void toggle_button:: enable ( ) { button_action::enable(); btn_tooltip.enable(); } // ---------------------------------------------------------------------------------------- void toggle_button:: disable ( ) { button_action::disable(); btn_tooltip.disable(); } // ---------------------------------------------------------------------------------------- void toggle_button:: set_tooltip_text ( const std::string& text ) { btn_tooltip.set_text(text); } void toggle_button:: set_tooltip_text ( const std::wstring& text ) { btn_tooltip.set_text(text); } void toggle_button:: set_tooltip_text ( const dlib::ustring& text ) { btn_tooltip.set_text(text); } // ---------------------------------------------------------------------------------------- const std::string toggle_button:: tooltip_text ( ) const { return btn_tooltip.text(); } const std::wstring toggle_button:: tooltip_wtext ( ) const { return btn_tooltip.wtext(); } const dlib::ustring toggle_button:: tooltip_utext ( ) const { return btn_tooltip.utext(); } // ---------------------------------------------------------------------------------------- void toggle_button:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; set_name(name_); } // ---------------------------------------------------------------------------------------- void toggle_button:: set_pos ( long x, long y ) { auto_mutex M(m); button_action::set_pos(x,y); btn_tooltip.set_pos(x,y); } // ---------------------------------------------------------------------------------------- void toggle_button:: set_name ( const std::string& name ) { set_name(convert_mbstring_to_wstring(name)); } void toggle_button:: set_name ( const std::wstring& name ) { set_name(convert_wstring_to_utf32(name)); } void toggle_button:: set_name ( const dlib::ustring& name ) { auto_mutex M(m); name_ = name; // do this to get rid of any reference counting that may be present in // the std::string implementation. name_[0] = name_[0]; rectangle old(rect); rect = move_rect(style->get_min_size(name,*mfont),rect.left(),rect.top()); btn_tooltip.set_size(rect.width(),rect.height()); parent.invalidate_rectangle(rect+old); } // ---------------------------------------------------------------------------------------- const std::string toggle_button:: name ( ) const { return convert_wstring_to_mbstring(wname()); } const std::wstring toggle_button:: wname ( ) const { return convert_utf32_to_wstring(uname()); } const dlib::ustring toggle_button:: uname ( ) const { auto_mutex M(m); dlib::ustring temp = name_; // do this to get rid of any reference counting that may be present in // the std::string implementation. temp[0] = name_[0]; return temp; } // ---------------------------------------------------------------------------------------- void toggle_button:: on_button_up ( bool mouse_over ) { if (mouse_over) { checked = !checked; // this is a valid toggle_button click if (event_handler.is_set()) event_handler(); else if (event_handler_self.is_set()) event_handler_self(*this); } } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // label object methods // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- void label:: draw ( const canvas& c ) const { rectangle area = rect.intersect(c); if (area.is_empty() || text_.size() == 0) return; using namespace std; unsigned char r = text_color_.red; unsigned char g = text_color_.green; unsigned char b = text_color_.blue; if (!enabled) { r = 128; g = 128; b = 128; } rectangle text_rect(rect); string::size_type first, last; first = 0; last = text_.find_first_of('\n'); mfont->draw_string(c,text_rect,text_,rgb_pixel(r,g,b),first,last); while (last != string::npos) { first = last+1; last = text_.find_first_of('\n',first); text_rect.set_top(text_rect.top()+mfont->height()); mfont->draw_string(c,text_rect,text_,rgb_pixel(r,g,b),first,last); } } // ---------------------------------------------------------------------------------------- void label:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; set_text(text_); } // ---------------------------------------------------------------------------------------- void label:: set_text ( const std::string& text ) { set_text(convert_mbstring_to_wstring(text)); } void label:: set_text ( const std::wstring& text ) { set_text(convert_wstring_to_utf32(text)); } void label:: set_text ( const dlib::ustring& text ) { using namespace std; auto_mutex M(m); text_ = text; // do this to get rid of any reference counting that may be present in // the std::string implementation. text_[0] = text[0]; rectangle old(rect); unsigned long width; unsigned long height; mfont->compute_size(text,width,height); rect.set_right(rect.left() + width - 1); rect.set_bottom(rect.top() + height - 1); parent.invalidate_rectangle(rect+old); } // ---------------------------------------------------------------------------------------- const std::string label:: text ( ) const { return convert_wstring_to_mbstring(wtext()); } const std::wstring label:: wtext ( ) const { return convert_utf32_to_wstring(utext()); } const dlib::ustring label:: utext ( ) const { auto_mutex M(m); dlib::ustring temp = text_; // do this to get rid of any reference counting that may be present in // the std::string implementation. temp[0] = text_[0]; return temp; } // ---------------------------------------------------------------------------------------- void label:: set_text_color ( const rgb_pixel color ) { m.lock(); text_color_ = color; parent.invalidate_rectangle(rect); m.unlock(); } // ---------------------------------------------------------------------------------------- const rgb_pixel label:: text_color ( ) const { auto_mutex M(m); return text_color_; } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // text_field object methods // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- rectangle text_field:: get_text_rect ( ) const { // figure out where the text string should appear unsigned long vertical_pad = (rect.height() - mfont->height())/2+1; rectangle text_rect; text_rect.set_left(rect.left()+style->get_padding(*mfont)); text_rect.set_top(rect.top()+vertical_pad); text_rect.set_right(rect.right()-style->get_padding(*mfont)); text_rect.set_bottom(text_rect.top()+mfont->height()-1); return text_rect; } // ---------------------------------------------------------------------------------------- void text_field:: enable ( ) { drawable::enable(); right_click_menu.enable(); } // ---------------------------------------------------------------------------------------- void text_field:: give_input_focus ( ) { auto_mutex M(m); has_focus = true; cursor_visible = true; parent.invalidate_rectangle(rect); t.start(); } // ---------------------------------------------------------------------------------------- void text_field:: select_all_text ( ) { auto_mutex M(m); on_select_all(); } // ---------------------------------------------------------------------------------------- void text_field:: on_cut ( ) { on_copy(); on_delete_selected(); } // ---------------------------------------------------------------------------------------- void text_field:: on_copy ( ) { if (highlight_start <= highlight_end) { put_on_clipboard(text_.substr(highlight_start, highlight_end-highlight_start+1)); } } // ---------------------------------------------------------------------------------------- void text_field:: on_paste ( ) { ustring temp_str; get_from_clipboard(temp_str); // If this is a multi line string then just take the first line. ustring::size_type pos = temp_str.find_first_of('\n'); if (pos != ustring::npos) { temp_str = temp_str.substr(0,pos); } if (highlight_start <= highlight_end) { text_ = text_.substr(0,highlight_start) + temp_str + text_.substr(highlight_end+1,text_.size()-highlight_end-1); move_cursor(highlight_start+temp_str.size()); highlight_start = 0; highlight_end = -1; parent.invalidate_rectangle(rect); on_no_text_selected(); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } else { text_ = text_.substr(0,cursor_pos) + temp_str + text_.substr(cursor_pos,text_.size()-cursor_pos); move_cursor(cursor_pos+temp_str.size()); // send out the text modified event if (temp_str.size() != 0 && text_modified_handler.is_set()) text_modified_handler(); } } // ---------------------------------------------------------------------------------------- void text_field:: on_select_all ( ) { move_cursor(static_cast<long>(text_.size())); highlight_start = 0; highlight_end = static_cast<long>(text_.size()-1); if (highlight_start <= highlight_end) on_text_is_selected(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void text_field:: on_delete_selected ( ) { if (highlight_start <= highlight_end) { text_ = text_.erase(highlight_start,highlight_end-highlight_start+1); move_cursor(highlight_start); highlight_start = 0; highlight_end = -1; on_no_text_selected(); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); parent.invalidate_rectangle(rect); } } // ---------------------------------------------------------------------------------------- void text_field:: on_text_is_selected ( ) { right_click_menu.menu().enable_menu_item(0); right_click_menu.menu().enable_menu_item(1); right_click_menu.menu().enable_menu_item(3); } // ---------------------------------------------------------------------------------------- void text_field:: on_no_text_selected ( ) { right_click_menu.menu().disable_menu_item(0); right_click_menu.menu().disable_menu_item(1); right_click_menu.menu().disable_menu_item(3); } // ---------------------------------------------------------------------------------------- void text_field:: show ( ) { drawable::show(); right_click_menu.show(); } // ---------------------------------------------------------------------------------------- void text_field:: disable ( ) { auto_mutex M(m); drawable::disable(); t.stop(); has_focus = false; cursor_visible = false; right_click_menu.disable(); } // ---------------------------------------------------------------------------------------- void text_field:: hide ( ) { auto_mutex M(m); drawable::hide(); t.stop(); has_focus = false; cursor_visible = false; } // ---------------------------------------------------------------------------------------- void text_field:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; // adjust the height of this text field so that it is appropriate for the current // font size rect.set_bottom(rect.top() + mfont->height()+ (style->get_padding(*mfont))*2); set_text(text_); right_click_menu.set_rect(get_text_rect()); } // ---------------------------------------------------------------------------------------- void text_field:: draw ( const canvas& c ) const { rectangle area = rect.intersect(c); if (area.is_empty()) return; style->draw_text_field(c,rect,get_text_rect(), enabled, *mfont, text_, cursor_x, text_pos, text_color_, bg_color_, has_focus, cursor_visible, highlight_start, highlight_end); } // ---------------------------------------------------------------------------------------- void text_field:: set_text ( const std::string& text ) { set_text(convert_mbstring_to_wstring(text)); } void text_field:: set_text ( const std::wstring& text ) { set_text(convert_wstring_to_utf32(text)); } void text_field:: set_text ( const dlib::ustring& text ) { DLIB_ASSERT ( text.find_first_of('\n') == std::string::npos , "\tvoid text_field::set_text()" << "\n\ttext: " << narrow(text) ); auto_mutex M(m); // do this to get rid of any reference counting that may be present in // the std::string implementation. text_ = text.c_str(); move_cursor(0); highlight_start = 0; highlight_end = -1; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const std::string text_field:: text ( ) const { std::string temp = convert_wstring_to_mbstring(wtext()); return temp; } const std::wstring text_field:: wtext ( ) const { std::wstring temp = convert_utf32_to_wstring(utext()); return temp; } const dlib::ustring text_field:: utext ( ) const { auto_mutex M(m); // do this to get rid of any reference counting that may be present in // the dlib::ustring implementation. dlib::ustring temp = text_.c_str(); return temp; } // ---------------------------------------------------------------------------------------- void text_field:: set_width ( unsigned long width ) { auto_mutex M(m); if (width < style->get_padding(*mfont)*2) return; rectangle old(rect); rect.set_right(rect.left() + width - 1); right_click_menu.set_rect(get_text_rect()); parent.invalidate_rectangle(rect+old); } // ---------------------------------------------------------------------------------------- void text_field:: set_pos ( long x, long y ) { drawable::set_pos(x,y); right_click_menu.set_rect(get_text_rect()); } // ---------------------------------------------------------------------------------------- void text_field:: set_background_color ( const rgb_pixel color ) { auto_mutex M(m); bg_color_ = color; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const rgb_pixel text_field:: background_color ( ) const { auto_mutex M(m); return bg_color_; } // ---------------------------------------------------------------------------------------- void text_field:: set_text_color ( const rgb_pixel color ) { auto_mutex M(m); text_color_ = color; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const rgb_pixel text_field:: text_color ( ) const { auto_mutex M(m); return text_color_; } // ---------------------------------------------------------------------------------------- void text_field:: on_mouse_move ( unsigned long state, long x, long y ) { if (!enabled || hidden || !has_focus) { return; } if (state & base_window::LEFT) { if (highlight_start <= highlight_end) { if (highlight_start == cursor_pos) shift_pos = highlight_end + 1; else shift_pos = highlight_start; } unsigned long new_pos = mfont->compute_cursor_pos(get_text_rect(),text_,x,y,text_pos); if (static_cast<long>(new_pos) != cursor_pos) { move_cursor(new_pos); parent.invalidate_rectangle(rect); } } else if (shift_pos != -1) { shift_pos = -1; } } // ---------------------------------------------------------------------------------------- void text_field:: on_mouse_up ( unsigned long btn, unsigned long, long , long ) { if (!enabled || hidden) return; if (btn == base_window::LEFT) shift_pos = -1; } // ---------------------------------------------------------------------------------------- void text_field:: on_mouse_down ( unsigned long btn, unsigned long state, long x, long y, bool double_clicked ) { using namespace std; if (!enabled || hidden || btn != (unsigned long)base_window::LEFT) return; if (rect.contains(x,y)) { has_focus = true; cursor_visible = true; parent.invalidate_rectangle(rect); t.start(); if (double_clicked) { // highlight the double clicked word string::size_type first, last; const ustring ustr = convert_utf8_to_utf32(std::string(" \t\n")); first = text_.substr(0,cursor_pos).find_last_of(ustr.c_str()); last = text_.find_first_of(ustr.c_str(),cursor_pos); long f = static_cast<long>(first); long l = static_cast<long>(last); if (first == string::npos) f = -1; if (last == string::npos) l = static_cast<long>(text_.size()); ++f; --l; move_cursor(l+1); highlight_start = f; highlight_end = l; on_text_is_selected(); } else { if (state & base_window::SHIFT) { if (highlight_start <= highlight_end) { if (highlight_start == cursor_pos) shift_pos = highlight_end + 1; else shift_pos = highlight_start; } else { shift_pos = cursor_pos; } } bool at_end = false; if (cursor_pos == 0 || cursor_pos == static_cast<long>(text_.size())) at_end = true; const long old_pos = cursor_pos; unsigned long new_pos = mfont->compute_cursor_pos(get_text_rect(),text_,x,y,text_pos); if (static_cast<long>(new_pos) != cursor_pos) { move_cursor(new_pos); parent.invalidate_rectangle(rect); } shift_pos = cursor_pos; if (at_end && cursor_pos == old_pos) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } } else if (has_focus) { t.stop(); has_focus = false; cursor_visible = false; shift_pos = -1; highlight_start = 0; highlight_end = -1; on_no_text_selected(); if (focus_lost_handler.is_set()) focus_lost_handler(); parent.invalidate_rectangle(rect); } } // ---------------------------------------------------------------------------------------- void text_field:: on_keydown ( unsigned long key, bool is_printable, unsigned long state ) { // If the right click menu is up then we don't want to do anything with // the keyboard ourselves. Let the popup menu use the keyboard for now. if (right_click_menu.popup_menu_visible()) return; const ustring space_str = convert_utf8_to_utf32(std::string(" \t\n")); const bool shift = (state&base_window::KBD_MOD_SHIFT) != 0; const bool ctrl = (state&base_window::KBD_MOD_CONTROL) != 0; if (has_focus && enabled && !hidden) { if (shift && is_printable == false) { if (shift_pos == -1) { if (highlight_start <= highlight_end) { if (highlight_start == cursor_pos) shift_pos = highlight_end + 1; else shift_pos = highlight_start; } else { shift_pos = cursor_pos; } } } else { shift_pos = -1; } if (key == base_window::KEY_LEFT || key == base_window::KEY_UP) { if (cursor_pos != 0) { unsigned long new_pos; if (ctrl) { // find the first non-whitespace to our left std::string::size_type pos = text_.find_last_not_of(space_str.c_str(),cursor_pos); if (pos != std::string::npos) { pos = text_.find_last_of(space_str.c_str(),pos); if (pos != std::string::npos) new_pos = static_cast<unsigned long>(pos); else new_pos = 0; } else { new_pos = 0; } } else { new_pos = cursor_pos-1; } move_cursor(new_pos); } else if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (key == base_window::KEY_RIGHT || key == base_window::KEY_DOWN) { if (cursor_pos != static_cast<long>(text_.size())) { unsigned long new_pos; if (ctrl) { // find the first non-whitespace to our left std::string::size_type pos = text_.find_first_not_of(space_str.c_str(),cursor_pos); if (pos != std::string::npos) { pos = text_.find_first_of(space_str.c_str(),pos); if (pos != std::string::npos) new_pos = static_cast<unsigned long>(pos+1); else new_pos = static_cast<unsigned long>(text_.size()); } else { new_pos = static_cast<unsigned long>(text_.size()); } } else { new_pos = cursor_pos+1; } move_cursor(new_pos); } else if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (is_printable) { if (ctrl) { if (key == 'a') { on_select_all(); } else if (key == 'c') { on_copy(); } else if (key == 'v') { on_paste(); } else if (key == 'x') { on_cut(); } } else if (key != '\n') { if (highlight_start <= highlight_end) { text_ = text_.substr(0,highlight_start) + static_cast<unichar>(key) + text_.substr(highlight_end+1,text_.size()-highlight_end-1); move_cursor(highlight_start+1); highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } else { text_ = text_.substr(0,cursor_pos) + static_cast<unichar>(key) + text_.substr(cursor_pos,text_.size()-cursor_pos); move_cursor(cursor_pos+1); } unsigned long height; mfont->compute_size(text_,text_width,height,text_pos); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } else if (key == '\n') { if (enter_key_handler.is_set()) enter_key_handler(); } } else if (key == base_window::KEY_BACKSPACE) { // if something is highlighted then delete that if (highlight_start <= highlight_end) { on_delete_selected(); } else if (cursor_pos != 0) { text_ = text_.erase(cursor_pos-1,1); move_cursor(cursor_pos-1); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } else { // do this just so it repaints itself right move_cursor(cursor_pos); } unsigned long height; mfont->compute_size(text_,text_width,height,text_pos); parent.invalidate_rectangle(rect); } else if (key == base_window::KEY_DELETE) { // if something is highlighted then delete that if (highlight_start <= highlight_end) { on_delete_selected(); } else if (cursor_pos != static_cast<long>(text_.size())) { text_ = text_.erase(cursor_pos,1); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } else { // do this just so it repaints itself right move_cursor(cursor_pos); } parent.invalidate_rectangle(rect); unsigned long height; mfont->compute_size(text_,text_width,height,text_pos); } else if (key == base_window::KEY_HOME) { move_cursor(0); if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (key == base_window::KEY_END) { move_cursor(static_cast<unsigned long>(text_.size())); if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } cursor_visible = true; recent_movement = true; } } // ---------------------------------------------------------------------------------------- void text_field:: on_string_put( const std::wstring &str ) { if (has_focus && enabled && !hidden){ ustring ustr = convert_wstring_to_utf32(str); if (highlight_start <= highlight_end) { text_ = text_.substr(0,highlight_start) + ustr + text_.substr(highlight_end+1,text_.size()-highlight_end-1); move_cursor(highlight_start+ustr.size()); highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } else { text_ = text_.substr(0,cursor_pos) + ustr + text_.substr(cursor_pos,text_.size()-cursor_pos); move_cursor(cursor_pos+ustr.size()); } unsigned long height; mfont->compute_size(text_,text_width,height,text_pos); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } } // ---------------------------------------------------------------------------------------- void text_field:: move_cursor ( unsigned long pos ) { using namespace std; const long old_cursor_pos = cursor_pos; if (text_pos >= pos) { // the cursor should go all the way to the left side of the text if (pos >= 6) text_pos = pos-6; else text_pos = 0; cursor_pos = pos; unsigned long height; mfont->compute_size(text_,text_width,height,text_pos); unsigned long width; unsigned long new_x = style->get_padding(*mfont); if (static_cast<long>(cursor_pos)-1 >= static_cast<long>(text_pos)) { mfont->compute_size(text_,width,height,text_pos,cursor_pos-1); if (cursor_pos != 0) new_x += width - mfont->right_overflow(); } cursor_x = new_x; } else { unsigned long height; unsigned long width; mfont->compute_size(text_,width,height,text_pos,pos-1); unsigned long new_x = style->get_padding(*mfont) + width - mfont->right_overflow(); // move the text to the left if necessary if (new_x + 4 > rect.width()) { while (new_x > rect.width() - rect.width()/5) { new_x -= (*mfont)[text_[text_pos]].width(); ++text_pos; } } cursor_x = new_x; cursor_pos = pos; mfont->compute_size(text_,text_width,height,text_pos); } parent.set_im_pos(rect.left()+cursor_x, rect.top()); if (old_cursor_pos != cursor_pos) { if (shift_pos != -1) { highlight_start = std::min(shift_pos,cursor_pos); highlight_end = std::max(shift_pos,cursor_pos)-1; } else { highlight_start = 0; highlight_end = -1; } if (highlight_start > highlight_end) on_no_text_selected(); else on_text_is_selected(); recent_movement = true; cursor_visible = true; parent.invalidate_rectangle(rect); } } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // tabbed_display object methods // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- tabbed_display:: tabbed_display( drawable_window& w ) : drawable(w,MOUSE_CLICK), selected_tab_(0), left_pad(6), right_pad(4), top_pad(3), bottom_pad(3) { rect = rectangle(0,0,40,mfont->height()+top_pad+bottom_pad); enable_events(); tabs.set_max_size(1); tabs.set_size(1); } // ---------------------------------------------------------------------------------------- tabbed_display:: ~tabbed_display( ) { disable_events(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void tabbed_display:: set_pos ( long x, long y ) { auto_mutex M(m); // we have to adjust the positions of all the tab rectangles const long xdelta = rect.left() - x; const long ydelta = rect.top() - y; for (unsigned long i = 0; i < tabs.size(); ++i) { tabs[i].rect.set_left(tabs[i].rect.left()+xdelta); tabs[i].rect.set_right(tabs[i].rect.right()+xdelta); tabs[i].rect.set_top(tabs[i].rect.top()+ydelta); tabs[i].rect.set_bottom(tabs[i].rect.bottom()+ydelta); // adjust the position of the group associated with this tab if it exists if (tabs[i].group) tabs[i].group->set_pos(x+3, y+mfont->height()+top_pad+bottom_pad+3); } drawable::set_pos(x,y); recompute_tabs(); } // ---------------------------------------------------------------------------------------- void tabbed_display:: fit_to_contents ( ) { auto_mutex M(m); rectangle new_rect; point p(rect.left(),rect.top()); new_rect += p; for (unsigned long i = 0; i < tabs.size(); ++i) { if (tabs[i].group) { tabs[i].group->fit_to_contents(); new_rect += tabs[i].group->get_rect(); } } // and give the new rect an additional 4 pixels on the bottom and right sides // so that the contents to hit the edge of the tabbed display new_rect = resize_rect(new_rect, new_rect.width()+4, new_rect.height()+4); parent.invalidate_rectangle(new_rect+rect); rect = new_rect; } // ---------------------------------------------------------------------------------------- void tabbed_display:: set_size ( unsigned long width, unsigned long height ) { auto_mutex M(m); rectangle old(rect); const long x = rect.left(); const long y = rect.top(); rect.set_right(x+width-1); rect.set_bottom(y+height-1); recompute_tabs(); parent.invalidate_rectangle(rect+old); } // ---------------------------------------------------------------------------------------- void tabbed_display:: set_number_of_tabs ( unsigned long num ) { auto_mutex M(m); DLIB_ASSERT ( num > 0 , "\tvoid tabbed_display::set_number_of_tabs()" << "\n\tnum: " << num ); tabs.set_max_size(num); tabs.set_size(num); selected_tab_ = 0; recompute_tabs(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- unsigned long tabbed_display:: number_of_tabs ( ) const { auto_mutex M(m); return tabs.size(); } // ---------------------------------------------------------------------------------------- const std::string tabbed_display:: tab_name ( unsigned long idx ) const { return convert_wstring_to_mbstring(tab_wname(idx)); } const std::wstring tabbed_display:: tab_wname ( unsigned long idx ) const { return convert_utf32_to_wstring(tab_uname(idx)); } const dlib::ustring& tabbed_display:: tab_uname ( unsigned long idx ) const { auto_mutex M(m); DLIB_ASSERT ( idx < number_of_tabs() , "\tvoid tabbed_display::tab_name()" << "\n\tidx: " << idx << "\n\tnumber_of_tabs(): " << number_of_tabs() ); return tabs[idx].name; } // ---------------------------------------------------------------------------------------- void tabbed_display:: set_tab_name ( unsigned long idx, const std::string& new_name ) { set_tab_name(idx, convert_mbstring_to_wstring(new_name)); } void tabbed_display:: set_tab_name ( unsigned long idx, const std::wstring& new_name ) { set_tab_name(idx, convert_wstring_to_utf32(new_name)); } void tabbed_display:: set_tab_name ( unsigned long idx, const dlib::ustring& new_name ) { auto_mutex M(m); DLIB_ASSERT ( idx < number_of_tabs() , "\tvoid tabbed_display::set_tab_name()" << "\n\tidx: " << idx << "\n\tnumber_of_tabs(): " << number_of_tabs() ); tabs[idx].name = new_name; // do this so that there isn't any reference counting going on tabs[idx].name[0] = tabs[idx].name[0]; unsigned long height; mfont->compute_size(new_name,tabs[idx].width,height); recompute_tabs(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void tabbed_display:: on_mouse_down ( unsigned long btn, unsigned long, long x, long y, bool ) { if (rect.contains(x,y) && btn == base_window::LEFT && enabled && !hidden) { rectangle temp = rect; const long offset = mfont->height() + bottom_pad + top_pad; temp.set_bottom(rect.top()+offset); if (temp.contains(x,y)) { // now we have to figure out which tab was clicked for (unsigned long i = 0; i < tabs.size(); ++i) { if (selected_tab_ != i && tabs[i].rect.contains(x,y) && tabs[selected_tab_].rect.contains(x,y) == false) { unsigned long old_idx = selected_tab_; selected_tab_ = i; recompute_tabs(); parent.invalidate_rectangle(temp); // adjust the widget_group objects for these tabs if they exist if (tabs[i].group) tabs[i].group->show(); if (tabs[old_idx].group) tabs[old_idx].group->hide(); if (event_handler.is_set()) event_handler(i,old_idx); break; } } } } } // ---------------------------------------------------------------------------------------- void tabbed_display:: set_tab_group ( unsigned long idx, widget_group& group ) { auto_mutex M(m); DLIB_ASSERT ( idx < number_of_tabs() , "\tvoid tabbed_display::set_tab_group()" << "\n\tidx: " << idx << "\n\tnumber_of_tabs(): " << number_of_tabs() ); tabs[idx].group = &group; group.set_pos(rect.left()+3,rect.top()+mfont->height()+top_pad+bottom_pad+2); if (idx == selected_tab_) group.show(); else group.hide(); } // ---------------------------------------------------------------------------------------- void tabbed_display:: disable ( ) { auto_mutex M(m); if (tabs[selected_tab_].group) tabs[selected_tab_].group->disable(); drawable::disable(); } // ---------------------------------------------------------------------------------------- void tabbed_display:: enable ( ) { auto_mutex M(m); if (tabs[selected_tab_].group) tabs[selected_tab_].group->enable(); drawable::enable(); } // ---------------------------------------------------------------------------------------- void tabbed_display:: hide ( ) { auto_mutex M(m); if (tabs[selected_tab_].group) tabs[selected_tab_].group->hide(); drawable::hide(); } // ---------------------------------------------------------------------------------------- void tabbed_display:: show ( ) { auto_mutex M(m); if (tabs[selected_tab_].group) tabs[selected_tab_].group->show(); drawable::show(); } // ---------------------------------------------------------------------------------------- void tabbed_display:: draw ( const canvas& c ) const { rectangle area = rect.intersect(c); if (area.is_empty()) return; // draw the main border first rectangle main_box(rect.left(),rect.top()+mfont->height()+top_pad+bottom_pad,rect.right(),rect.bottom()); draw_button_up(c,main_box); draw_pixel(c,point(main_box.right()-1,main_box.top()),rgb_pixel(128,128,128)); rgb_pixel color; if (enabled) { color.red = 0; color.green = 0; color.blue = 0; } else { color.red = 128; color.green = 128; color.blue = 128; } // draw the tabs for (unsigned long i = 0; i < tabs.size(); ++i) { if (selected_tab_ != i) draw_tab(tabs[i].rect,c); // draw the name string rectangle temp = tabs[i].rect; temp.set_top(temp.top()+top_pad); temp.set_bottom(temp.bottom()+bottom_pad); temp.set_left(temp.left()+left_pad); temp.set_right(temp.right()+right_pad); mfont->draw_string(c,temp,tabs[i].name,color); } draw_tab(tabs[selected_tab_].rect,c); draw_line(c, point(tabs[selected_tab_].rect.left()+1, tabs[selected_tab_].rect.bottom()), point(tabs[selected_tab_].rect.right()-2, tabs[selected_tab_].rect.bottom()), rgb_pixel(212,208,200)); } // ---------------------------------------------------------------------------------------- void tabbed_display:: draw_tab ( const rectangle& tab, const canvas& c ) const { const rgb_pixel white(255,255,255); const rgb_pixel background(212,208,200); const rgb_pixel dark_gray(64,64,64); const rgb_pixel gray(128,128,128); draw_line(c,point(tab.left(),tab.top()+2),point(tab.left(),tab.bottom()),white); draw_line(c,point(tab.left()+1,tab.top()+2),point(tab.left()+1,tab.bottom()),background); draw_line(c,point(tab.right(),tab.top()+2),point(tab.right(),tab.bottom()),dark_gray); draw_line(c,point(tab.right()-1,tab.top()+2),point(tab.right()-1,tab.bottom()),gray); draw_line(c,point(tab.left()+2,tab.top()),point(tab.right()-2,tab.top()),white); draw_pixel(c,point(tab.left()+1,tab.top()+1),white); draw_pixel(c,point(tab.right()-1,tab.top()+1),dark_gray); } // ---------------------------------------------------------------------------------------- void tabbed_display:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; for (unsigned long i = 0; i < tabs.size(); ++i) { unsigned long height; mfont->compute_size(tabs[i].name,tabs[i].width,height); } recompute_tabs(); set_pos(rect.left(), rect.top()); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void tabbed_display:: recompute_tabs ( ) { const long offset = mfont->height() + bottom_pad + top_pad; // figure out the size and position of all the tabs rectangle sel_tab_rect, other_tab; sel_tab_rect.set_top(rect.top()); sel_tab_rect.set_bottom(rect.top()+offset); other_tab.set_top(rect.top()+2); other_tab.set_bottom(rect.top()+offset-1); long cur_x = rect.left(); for (unsigned long i = 0; i < tabs.size(); ++i) { const unsigned long str_width = tabs[i].width; if (selected_tab_ != i) { other_tab.set_left(cur_x); cur_x += left_pad + str_width + right_pad; other_tab.set_right(cur_x); tabs[i].rect = other_tab; ++cur_x; } else { if (i != 0) sel_tab_rect.set_left(cur_x-2); else sel_tab_rect.set_left(cur_x); cur_x += left_pad + str_width + right_pad; if (i != tabs.size()-1) sel_tab_rect.set_right(cur_x+2); else sel_tab_rect.set_right(cur_x); ++cur_x; tabs[i].rect = sel_tab_rect; } } // make sure this object is wide enough const rectangle& last = tabs[tabs.size()-1].rect; const rectangle& first = tabs[0].rect; rect = last + rect + first; } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // named_rectangle object methods // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- named_rectangle:: named_rectangle( drawable_window& w ) : drawable(w), name_width(0), name_height(0) { make_name_fit_in_rect(); enable_events(); } // ---------------------------------------------------------------------------------------- named_rectangle:: ~named_rectangle( ) { disable_events(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void named_rectangle:: set_size ( unsigned long width, unsigned long height ) { auto_mutex M(m); rectangle old(rect); const long x = rect.left(); const long y = rect.top(); rect.set_right(x+width-1); rect.set_bottom(y+height-1); make_name_fit_in_rect(); parent.invalidate_rectangle(rect+old); } // ---------------------------------------------------------------------------------------- void named_rectangle:: wrap_around ( const rectangle& r ) { auto_mutex M(m); rectangle old(rect); const unsigned long pad = name_height/2; rect = rectangle(r.left()-pad, r.top()-name_height*4/3, r.right()+pad, r.bottom()+pad); make_name_fit_in_rect(); parent.invalidate_rectangle(rect+old); } // ---------------------------------------------------------------------------------------- void named_rectangle:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; mfont->compute_size(name_,name_width,name_height); make_name_fit_in_rect(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void named_rectangle:: make_name_fit_in_rect ( ) { // make sure the named rectangle is big enough to contain the name const unsigned long wtemp = mfont->height() + name_width; const unsigned long htemp = mfont->height() + name_height; if (rect.width() < wtemp) rect.set_right(rect.left() + wtemp - 1 ); if (rect.height() < htemp) rect.set_bottom(rect.bottom() + htemp - 1 ); } // ---------------------------------------------------------------------------------------- void named_rectangle:: set_name ( const std::string& name ) { set_name(convert_mbstring_to_wstring(name)); } void named_rectangle:: set_name ( const std::wstring& name ) { set_name(convert_wstring_to_utf32(name)); } void named_rectangle:: set_name ( const dlib::ustring& name ) { auto_mutex M(m); name_ = name.c_str(); mfont->compute_size(name_,name_width,name_height); make_name_fit_in_rect(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const std::string named_rectangle:: name ( ) const { return convert_wstring_to_mbstring(wname()); } const std::wstring named_rectangle:: wname ( ) const { return convert_utf32_to_wstring(uname()); } const dlib::ustring named_rectangle:: uname ( ) const { auto_mutex M(m); return dlib::ustring(name_.c_str()); } // ---------------------------------------------------------------------------------------- void named_rectangle:: draw ( const canvas& c ) const { rectangle area = rect.intersect(c); if (area.is_empty()) return; const unsigned long gap = mfont->height()/2; rectangle strrect = rect; strrect.set_left(rect.left() + gap); const unsigned long rtop = rect.top() + name_height/2; const rgb_pixel white(255,255,255); const rgb_pixel gray(128,128,128); mfont->draw_string(c,strrect,name_); draw_line(c,point(rect.left(), rtop), point(rect.left()+gap/2, rtop), gray); draw_line(c,point(rect.left(), rtop), point(rect.left(), rect.bottom()-1), gray); draw_line(c,point(rect.left(), rect.bottom()-1), point(rect.right()-1, rect.bottom()-1), gray); draw_line(c,point(rect.right()-1, rtop), point(rect.right()-1, rect.bottom()-2), gray); draw_line(c,point(strrect.left() + name_width + 2, rtop), point(rect.right()-1, rtop), gray); draw_line(c,point(strrect.left() + name_width + 2, rtop+1), point( rect.right()-2, rtop+1), white); draw_line(c,point(rect.right(), rtop), point(rect.right(), rect.bottom()), white); draw_line(c,point(rect.left(), rect.bottom()), point(rect.right(), rect.bottom()), white); draw_line(c,point(rect.left()+1, rtop+1), point(rect.left()+1, rect.bottom()-2), white); draw_line(c,point(rect.left()+1, rtop+1), point(rect.left()+gap/2, rtop+1), white); } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // class mouse_tracker // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- mouse_tracker:: mouse_tracker( drawable_window& w ) : draggable(w), offset(18), nr(w), x_label(w), y_label(w), click_x(-1), click_y(-1) { set_draggable_area(rectangle(0,0,500,500)); x_label.set_text("x: "); y_label.set_text("y: "); nr.set_name("mouse position"); x_label.set_pos(offset,offset); y_label.set_pos(x_label.get_rect().left(), x_label.get_rect().bottom()+3); nr.wrap_around(x_label.get_rect() + y_label.get_rect()); rect = nr.get_rect(); set_z_order(2000000000); x_label.set_z_order(2000000001); y_label.set_z_order(2000000001); nr.set_z_order(2000000001); enable_events(); } // ---------------------------------------------------------------------------------------- mouse_tracker:: ~mouse_tracker( ) { disable_events(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); nr.set_main_font(f); x_label.set_main_font(f); y_label.set_main_font(f); mfont = f; nr.wrap_around(x_label.get_rect() + y_label.get_rect()); rect = nr.get_rect(); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: set_pos ( long x, long y ) { draggable::set_pos(x,y); nr.set_pos(x,y); x_label.set_pos(rect.left()+offset,rect.top()+offset); y_label.set_pos(x_label.get_rect().left(), x_label.get_rect().bottom()+3); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: show ( ) { draggable::show(); nr.show(); x_label.show(); y_label.show(); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: hide ( ) { draggable::hide(); nr.hide(); x_label.hide(); y_label.hide(); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: enable ( ) { draggable::enable(); nr.enable(); x_label.enable(); y_label.enable(); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: disable ( ) { draggable::disable(); nr.disable(); x_label.disable(); y_label.disable(); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: on_mouse_down ( unsigned long btn, unsigned long state, long x, long y, bool double_clicked ) { draggable::on_mouse_down(btn,state,x,y,double_clicked); if ((state & base_window::SHIFT) && (btn == base_window::LEFT) && enabled && !hidden) { parent.invalidate_rectangle(rectangle(x,y,x,y)); parent.invalidate_rectangle(rectangle(click_x,click_y,click_x,click_y)); click_x = x; click_y = y; y_label.set_text("y: 0"); x_label.set_text("x: 0"); } } // ---------------------------------------------------------------------------------------- void mouse_tracker:: on_mouse_move ( unsigned long state, long x, long y ) { if (!hidden && enabled) { parent.invalidate_rectangle(rect); draggable::on_mouse_move(state,x,y); long dx = 0; long dy = 0; if (click_x != -1) dx = click_x; if (click_y != -1) dy = click_y; sout.str(""); sout << "y: " << y - dy; y_label.set_text(sout.str()); sout.str(""); sout << "x: " << x - dx; x_label.set_text(sout.str()); } } // ---------------------------------------------------------------------------------------- void mouse_tracker:: on_drag ( ) { nr.set_pos(rect.left(),rect.top()); x_label.set_pos(rect.left()+offset,rect.top()+offset); y_label.set_pos(x_label.get_rect().left(), x_label.get_rect().bottom()+3); long x = 0; long y = 0; if (click_x != -1) x = click_x; if (click_y != -1) y = click_y; sout.str(""); sout << "y: " << lasty - y; y_label.set_text(sout.str()); sout.str(""); sout << "x: " << lastx - x; x_label.set_text(sout.str()); } // ---------------------------------------------------------------------------------------- void mouse_tracker:: draw ( const canvas& c ) const { fill_rect(c, rect,rgb_pixel(212,208,200)); draw_pixel(c, point(click_x,click_y),rgb_pixel(255,0,0)); } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // class list_box // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- namespace list_box_helper{ template <typename S> list_box<S>:: list_box( drawable_window& w ) : scrollable_region(w,MOUSE_WHEEL|MOUSE_CLICK), ms_enabled(false), last_selected(0) { set_vertical_scroll_increment(mfont->height()); style.reset(new list_box_style_default()); enable_events(); } // ---------------------------------------------------------------------------------------- template <typename S> list_box<S>:: ~list_box( ) { disable_events(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; // recompute the sizes of all the items for (unsigned long i = 0; i < items.size(); ++i) { mfont->compute_size(items[i].name,items[i].width, items[i].height); } set_vertical_scroll_increment(mfont->height()); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- template <typename S> bool list_box<S>:: is_selected ( unsigned long index ) const { auto_mutex M(m); DLIB_ASSERT ( index < size() , "\tbool list_box::is_selected(index)" << "\n\tindex: " << index << "\n\tsize(): " << size() ); return items[index].is_selected; } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: select ( unsigned long index ) { auto_mutex M(m); DLIB_ASSERT ( index < size() , "\tvoid list_box::select(index)" << "\n\tindex: " << index << "\n\tsize(): " << size() ); items[index].is_selected = true; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: unselect ( unsigned long index ) { auto_mutex M(m); DLIB_ASSERT ( index < size() , "\tvoid list_box::unselect(index)" << "\n\tindex: " << index << "\n\tsize(): " << size() ); items[index].is_selected = false; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- template <typename S> const S& list_box<S>::operator [] ( unsigned long index ) const { auto_mutex M(m); DLIB_ASSERT ( index < size() , "\tconst std::string& list_box::operator[](index)" << "\n\tindex: " << index << "\n\tsize(): " << size() ); return items[index].name; } // ---------------------------------------------------------------------------------------- template <typename S> bool list_box<S>:: multiple_select_enabled ( ) const { auto_mutex M(m); return ms_enabled; } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: enable_multiple_select ( ) { auto_mutex M(m); ms_enabled = true; } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: disable_multiple_select ( ) { auto_mutex M(m); ms_enabled = false; } // ---------------------------------------------------------------------------------------- template <typename S> bool list_box<S>:: at_start ( ) const { auto_mutex M(m); return items.at_start(); } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: reset ( ) const { auto_mutex M(m); items.reset(); } // ---------------------------------------------------------------------------------------- template <typename S> bool list_box<S>:: current_element_valid ( ) const { auto_mutex M(m); return items.current_element_valid(); } // ---------------------------------------------------------------------------------------- template <typename S> const S &list_box<S>:: element ( ) const { auto_mutex M(m); DLIB_ASSERT ( current_element_valid() , "\tconst std::string& list_box::element()" ); return items.element().name; } // ---------------------------------------------------------------------------------------- template <typename S> const S &list_box<S>:: element ( ) { auto_mutex M(m); DLIB_ASSERT ( current_element_valid() , "\tconst std::string& list_box::element()" ); return items.element().name; } // ---------------------------------------------------------------------------------------- template <typename S> bool list_box<S>:: move_next ( ) const { auto_mutex M(m); return items.move_next(); } // ---------------------------------------------------------------------------------------- template <typename S> unsigned long list_box<S>:: size ( ) const { auto_mutex M(m); return items.size(); } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: draw ( const canvas& c ) const { scrollable_region::draw(c); rectangle area = display_rect().intersect(c); if (area.is_empty()) return; style->draw_list_box_background(c, display_rect(), enabled); long y = total_rect().top(); for (unsigned long i = 0; i < items.size(); ++i) { if (y+(long)items[i].height <= area.top()) { y += items[i].height; continue; } rectangle r(total_rect().left(), y, display_rect().right(), y+items[i].height-1); style->draw_list_box_item(c,r, display_rect(), enabled, *mfont, items[i].name, items[i].is_selected); y += items[i].height; if (y > area.bottom()) break; } } // ---------------------------------------------------------------------------------------- template <typename S> void list_box<S>:: on_mouse_down ( unsigned long btn, unsigned long state, long x, long y, bool is_double_click ) { if (display_rect().contains(x,y) && btn == base_window::LEFT && enabled && !hidden ) { if ( ms_enabled == false || ((!(state&base_window::CONTROL)) && !(state&base_window::SHIFT))) { items.reset(); while (items.move_next()) { items.element().is_selected = false; } } y -= total_rect().top(); long h = 0; for (unsigned long i = 0; i < items.size(); ++i) { h += items[i].height; if (h >= y) { if (ms_enabled) { if (state&base_window::CONTROL) { items[i].is_selected = !items[i].is_selected; if (items[i].is_selected) last_selected = i; } else if (state&base_window::SHIFT) { // we want to select everything between (and including) the // current thing clicked and last_selected. const unsigned long first = std::min(i,last_selected); const unsigned long last = std::max(i,last_selected); for (unsigned long j = first; j <= last; ++j) items[j].is_selected = true; } else { items[i].is_selected = true; last_selected = i; if (is_double_click && event_handler.is_set()) event_handler(i); else if (single_click_event_handler.is_set()) single_click_event_handler(i); } } else { items[i].is_selected = true; last_selected = i; if (is_double_click && event_handler.is_set()) event_handler(i); else if (single_click_event_handler.is_set()) single_click_event_handler(i); } break; } } parent.invalidate_rectangle(rect); } } // ---------------------------------------------------------------------------------------- template <typename S> unsigned long list_box<S>:: get_selected ( ) const { auto_mutex M(m); DLIB_ASSERT ( multiple_select_enabled() == false, "\tunsigned long list_box::get_selected()" ); for (unsigned long i = 0; i < items.size(); ++i) { if (items[i].is_selected) return i; } return items.size(); } // ---------------------------------------------------------------------------------------- // making instance of template template class list_box<std::string>; template class list_box<std::wstring>; template class list_box<dlib::ustring>; } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // function message_box() // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- namespace message_box_helper { void box_win:: initialize ( ) { msg.set_pos(20,20); msg.set_text(message); rectangle msg_rect = msg.get_rect(); btn_ok.set_name("OK"); btn_ok.set_size(60,btn_ok.height()); if (msg_rect.width() >= 60) btn_ok.set_pos(msg_rect.width()/2+msg_rect.left()-btn_ok.width()/2,msg_rect.bottom()+15); else btn_ok.set_pos(20,msg_rect.bottom()+15); btn_ok.set_click_handler(*this,&box_win::on_click); rectangle size = btn_ok.get_rect() + msg_rect; set_size(size.right()+20,size.bottom()+20); show(); set_title(title); } // ------------------------------------------------------------------------------------ box_win:: box_win ( const std::string& title_, const std::string& message_ ) : drawable_window(false), title(convert_mbstring_to_wstring(title_)), message(convert_mbstring_to_wstring(message_)), msg(*this), btn_ok(*this) { initialize(); } // ------------------------------------------------------------------------------------ box_win:: box_win ( const std::wstring& title_, const std::wstring& message_ ) : drawable_window(false), title(title_), message(message_), msg(*this), btn_ok(*this) { initialize(); } // ------------------------------------------------------------------------------------ box_win:: box_win ( const dlib::ustring& title_, const dlib::ustring& message_ ) : drawable_window(false), title(convert_utf32_to_wstring(title_)), message(convert_utf32_to_wstring(message_)), msg(*this), btn_ok(*this) { initialize(); } // ------------------------------------------------------------------------------------ box_win:: ~box_win ( ) { close_window(); } // ------------------------------------------------------------------------------------ void box_win:: deleter_thread ( void* param ) { // The point of this extra member function pointer stuff is to allow the user // to end the program from within the callback. So we want to destroy the // window *before* we call their callback. box_win& w = *reinterpret_cast<box_win*>(param); w.close_window(); member_function_pointer<>::kernel_1a event_handler(w.event_handler); delete &w; if (event_handler.is_set()) event_handler(); } // ------------------------------------------------------------------------------------ void box_win:: on_click ( ) { hide(); create_new_thread(&deleter_thread,this); } // ------------------------------------------------------------------------------------ base_window::on_close_return_code box_win:: on_window_close ( ) { // The point of this extra member function pointer stuff is to allow the user // to end the program within the callback. So we want to destroy the // window *before* we call their callback. member_function_pointer<>::kernel_1a event_handler_copy(event_handler); delete this; if (event_handler_copy.is_set()) event_handler_copy(); return CLOSE_WINDOW; } // ------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------ void blocking_box_win:: initialize ( ) { msg.set_pos(20,20); msg.set_text(message); rectangle msg_rect = msg.get_rect(); btn_ok.set_name("OK"); btn_ok.set_size(60,btn_ok.height()); if (msg_rect.width() >= 60) btn_ok.set_pos(msg_rect.width()/2+msg_rect.left()-btn_ok.width()/2,msg_rect.bottom()+15); else btn_ok.set_pos(20,msg_rect.bottom()+15); btn_ok.set_click_handler(*this,&blocking_box_win::on_click); rectangle size = btn_ok.get_rect() + msg_rect; set_size(size.right()+20,size.bottom()+20); set_title(title); show(); } // ------------------------------------------------------------------------------------ blocking_box_win:: blocking_box_win ( const std::string& title_, const std::string& message_ ) : drawable_window(false), title(convert_mbstring_to_wstring(title_)), message(convert_mbstring_to_wstring(message_)), msg(*this), btn_ok(*this) { initialize(); } // ------------------------------------------------------------------------------------ blocking_box_win:: blocking_box_win ( const std::wstring& title_, const std::wstring& message_ ) : drawable_window(false), title(title_), message(message_), msg(*this), btn_ok(*this) { initialize(); } // ------------------------------------------------------------------------------------ blocking_box_win:: blocking_box_win ( const dlib::ustring& title_, const dlib::ustring& message_ ) : drawable_window(false), title(convert_utf32_to_wstring(title_)), message(convert_utf32_to_wstring(message_)), msg(*this), btn_ok(*this) { initialize(); } // ------------------------------------------------------------------------------------ blocking_box_win:: ~blocking_box_win ( ) { close_window(); } // ------------------------------------------------------------------------------------ void blocking_box_win:: on_click ( ) { close_window(); } } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // function open_file_box() // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- namespace open_file_box_helper { box_win:: box_win ( const std::string& title, bool has_text_field ) : lbl_dirs(*this), lbl_files(*this), lbl_file_name(*this), lb_dirs(*this), lb_files(*this), btn_ok(*this), btn_cancel(*this), btn_root(*this), tf_file_name(*this) { if (has_text_field == false) { tf_file_name.hide(); lbl_file_name.hide(); } else { lbl_file_name.set_text("File: "); } cur_dir = -1; set_size(500,300); lbl_dirs.set_text("Directories:"); lbl_files.set_text("Files:"); btn_ok.set_name("Ok"); btn_cancel.set_name("Cancel"); btn_root.set_name("/"); btn_root.set_click_handler(*this,&box_win::on_root_click); btn_cancel.set_click_handler(*this,&box_win::on_cancel_click); btn_ok.set_click_handler(*this,&box_win::on_open_click); lb_dirs.set_double_click_handler(*this,&box_win::on_dirs_click); lb_files.set_click_handler(*this,&box_win::on_files_click); lb_files.set_double_click_handler(*this,&box_win::on_files_double_click); btn_root.set_pos(5,5); set_sizes(); set_title(title); on_root_click(); // make it so that the file box starts out in our current working // directory std::string full_name(get_current_dir()); while (full_name.size() > 0) { std::string::size_type pos = full_name.find_first_of("\\/"); std::string left(full_name.substr(0,pos)); if (pos != std::string::npos) full_name = full_name.substr(pos+1); else full_name.clear(); if (left.size() > 0) enter_folder(left); } show(); } // ------------------------------------------------------------------------------------ box_win:: ~box_win ( ) { close_window(); } // ------------------------------------------------------------------------------------ void box_win:: set_sizes( ) { unsigned long width, height; get_size(width,height); if (lbl_file_name.is_hidden()) { lbl_dirs.set_pos(0,btn_root.bottom()+5); lb_dirs.set_pos(0,lbl_dirs.bottom()); lb_dirs.set_size(width/2,height-lb_dirs.top()-btn_cancel.height()-10); lbl_files.set_pos(lb_dirs.right(),btn_root.bottom()+5); lb_files.set_pos(lb_dirs.right(),lbl_files.bottom()); lb_files.set_size(width-lb_files.left(),height-lb_files.top()-btn_cancel.height()-10); btn_ok.set_pos(width - btn_ok.width()-25,lb_files.bottom()+5); btn_cancel.set_pos(btn_ok.left() - btn_cancel.width()-5,lb_files.bottom()+5); } else { lbl_dirs.set_pos(0,btn_root.bottom()+5); lb_dirs.set_pos(0,lbl_dirs.bottom()); lb_dirs.set_size(width/2,height-lb_dirs.top()-btn_cancel.height()-10-tf_file_name.height()); lbl_files.set_pos(lb_dirs.right(),btn_root.bottom()+5); lb_files.set_pos(lb_dirs.right(),lbl_files.bottom()); lb_files.set_size(width-lb_files.left(),height-lb_files.top()-btn_cancel.height()-10-tf_file_name.height()); lbl_file_name.set_pos(lb_files.left(), lb_files.bottom()+8); tf_file_name.set_pos(lbl_file_name.right(), lb_files.bottom()+5); tf_file_name.set_width(width-tf_file_name.left()-5); btn_ok.set_pos(width - btn_ok.width()-25,tf_file_name.bottom()+5); btn_cancel.set_pos(btn_ok.left() - btn_cancel.width()-5,tf_file_name.bottom()+5); } } // ------------------------------------------------------------------------------------ void box_win:: on_window_resized ( ) { set_sizes(); } // ------------------------------------------------------------------------------------ void box_win:: deleter_thread ( ) { close_window(); delete this; } // ------------------------------------------------------------------------------------ void box_win:: enter_folder ( const std::string& folder_name ) { if (btn_root.is_checked()) btn_root.set_unchecked(); if (cur_dir != -1) sob[cur_dir]->set_unchecked(); const std::string old_path = path; const long old_cur_dir = cur_dir; scoped_ptr<toggle_button> new_btn(new toggle_button(*this)); new_btn->set_name(folder_name); new_btn->set_click_handler(*this,&box_win::on_path_button_click); // remove any path buttons that won't be part of the path anymore if (sob.size()) { while (sob.size() > (unsigned long)(cur_dir+1)) { scoped_ptr<toggle_button> junk; sob.remove(cur_dir+1,junk); } } if (sob.size()) new_btn->set_pos(sob[sob.size()-1]->right()+5,sob[sob.size()-1]->top()); else new_btn->set_pos(btn_root.right()+5,btn_root.top()); cur_dir = sob.size(); sob.add(sob.size(),new_btn); path += folder_name + directory::get_separator(); if (set_dir(prefix + path) == false) { sob.remove(sob.size()-1,new_btn); path = old_path; cur_dir = old_cur_dir; } else { sob[cur_dir]->set_checked(); } } // ------------------------------------------------------------------------------------ void box_win:: on_dirs_click ( unsigned long idx ) { enter_folder(lb_dirs[idx]); } // ------------------------------------------------------------------------------------ void box_win:: on_files_click ( unsigned long idx ) { if (tf_file_name.is_hidden() == false) { tf_file_name.set_text(lb_files[idx]); } } // ------------------------------------------------------------------------------------ void box_win:: on_files_double_click ( unsigned long ) { on_open_click(); } // ------------------------------------------------------------------------------------ void box_win:: on_cancel_click ( ) { hide(); create_new_thread<box_win,&box_win::deleter_thread>(*this); } // ------------------------------------------------------------------------------------ void box_win:: on_open_click ( ) { if (lb_files.get_selected() != lb_files.size() || tf_file_name.text().size() > 0) { if (event_handler.is_set()) { if (tf_file_name.is_hidden()) event_handler(prefix + path + lb_files[lb_files.get_selected()]); else if (tf_file_name.text().size() > 0) event_handler(prefix + path + tf_file_name.text()); } hide(); create_new_thread<box_win,&box_win::deleter_thread>(*this); } } // ------------------------------------------------------------------------------------ void box_win:: on_path_button_click ( toggle_button& btn ) { if (btn_root.is_checked()) btn_root.set_unchecked(); if (cur_dir != -1) sob[cur_dir]->set_unchecked(); std::string new_path; for (unsigned long i = 0; i < sob.size(); ++i) { new_path += sob[i]->name() + directory::get_separator(); if (sob[i].get() == &btn) { cur_dir = i; sob[i]->set_checked(); break; } } if (path != new_path) { path = new_path; set_dir(prefix+path); } } // ------------------------------------------------------------------------------------ struct case_insensitive_compare { bool operator() ( const std::string& a, const std::string& b ) const { std::string::size_type i, size; size = std::min(a.size(),b.size()); for (i = 0; i < size; ++i) { if (std::tolower(a[i]) < std::tolower(b[i])) return true; else if (std::tolower(a[i]) > std::tolower(b[i])) return false; } if (a.size() < b.size()) return true; else return false; } }; // ------------------------------------------------------------------------------------ bool box_win:: set_dir ( const std::string& dir ) { try { directory d(dir); queue<directory>::kernel_1a_c qod; queue<file>::kernel_1a_c qof; queue<std::string>::sort_1a_c qos; d.get_dirs(qod); d.get_files(qof); qod.reset(); while (qod.move_next()) { std::string temp = qod.element().name(); qos.enqueue(temp); } qos.sort(case_insensitive_compare()); lb_dirs.load(qos); qos.clear(); qof.reset(); while (qof.move_next()) { std::string temp = qof.element().name(); qos.enqueue(temp); } qos.sort(case_insensitive_compare()); lb_files.load(qos); return true; } catch (directory::listing_error& ) { return false; } catch (directory::dir_not_found&) { return false; } } // ------------------------------------------------------------------------------------ void box_win:: on_root_click ( ) { btn_root.set_checked(); if (cur_dir != -1) sob[cur_dir]->set_unchecked(); queue<directory>::kernel_1a_c qod, qod2; queue<file>::kernel_1a_c qof; queue<std::string>::sort_1a_c qos; get_filesystem_roots(qod); path.clear(); cur_dir = -1; if (qod.size() == 1) { qod.current().get_files(qof); qod.current().get_dirs(qod2); prefix = qod.current().full_name(); qod2.reset(); while (qod2.move_next()) { std::string temp = qod2.element().name(); qos.enqueue(temp); } qos.sort(case_insensitive_compare()); lb_dirs.load(qos); qos.clear(); qof.reset(); while (qof.move_next()) { std::string temp = qof.element().name(); qos.enqueue(temp); } qos.sort(case_insensitive_compare()); lb_files.load(qos); } else { prefix.clear(); qod.reset(); while (qod.move_next()) { std::string temp = qod.element().full_name(); temp = temp.substr(0,temp.size()-1); qos.enqueue(temp); } qos.sort(case_insensitive_compare()); lb_dirs.load(qos); qos.clear(); lb_files.load(qos); } } // ------------------------------------------------------------------------------------ base_window::on_close_return_code box_win:: on_window_close ( ) { delete this; return CLOSE_WINDOW; } } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // class menu_bar // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- menu_bar:: menu_bar( drawable_window& w ) : drawable(w, 0xFFFF), // listen for all events open_menu(0) { adjust_position(); enable_events(); } // ---------------------------------------------------------------------------------------- menu_bar:: ~menu_bar() { disable_events(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void menu_bar:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; adjust_position(); compute_menu_geometry(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void menu_bar:: set_number_of_menus ( unsigned long num ) { auto_mutex M(m); menus.set_max_size(num); menus.set_size(num); open_menu = menus.size(); compute_menu_geometry(); for (unsigned long i = 0; i < menus.size(); ++i) { menus[i].menu.set_on_hide_handler(*this,&menu_bar::on_popup_hide); } parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- unsigned long menu_bar:: number_of_menus ( ) const { auto_mutex M(m); return menus.size(); } // ---------------------------------------------------------------------------------------- void menu_bar:: set_menu_name ( unsigned long idx, const std::string name, char underline_ch ) { set_menu_name(idx, convert_mbstring_to_wstring(name), underline_ch); } // ---------------------------------------------------------------------------------------- void menu_bar:: set_menu_name ( unsigned long idx, const std::wstring name, char underline_ch ) { set_menu_name(idx, convert_wstring_to_utf32(name), underline_ch); } // ---------------------------------------------------------------------------------------- void menu_bar:: set_menu_name ( unsigned long idx, const dlib::ustring name, char underline_ch ) { DLIB_ASSERT ( idx < number_of_menus() , "\tvoid menu_bar::set_menu_name()" << "\n\tidx: " << idx << "\n\tnumber_of_menus(): " << number_of_menus() ); auto_mutex M(m); menus[idx].name = name.c_str(); menus[idx].underline_pos = name.find_first_of(underline_ch); compute_menu_geometry(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const std::string menu_bar:: menu_name ( unsigned long idx ) const { return convert_wstring_to_mbstring(menu_wname(idx)); } // ---------------------------------------------------------------------------------------- const std::wstring menu_bar:: menu_wname ( unsigned long idx ) const { return convert_utf32_to_wstring(menu_uname(idx)); } // ---------------------------------------------------------------------------------------- const dlib::ustring menu_bar:: menu_uname ( unsigned long idx ) const { DLIB_ASSERT ( idx < number_of_menus() , "\tstd::string menu_bar::menu_name()" << "\n\tidx: " << idx << "\n\tnumber_of_menus(): " << number_of_menus() ); auto_mutex M(m); return menus[idx].name.c_str(); } // ---------------------------------------------------------------------------------------- popup_menu& menu_bar:: menu ( unsigned long idx ) { DLIB_ASSERT ( idx < number_of_menus() , "\tpopup_menu& menu_bar::menu()" << "\n\tidx: " << idx << "\n\tnumber_of_menus(): " << number_of_menus() ); auto_mutex M(m); return menus[idx].menu; } // ---------------------------------------------------------------------------------------- const popup_menu& menu_bar:: menu ( unsigned long idx ) const { DLIB_ASSERT ( idx < number_of_menus() , "\tconst popup_menu& menu_bar::menu()" << "\n\tidx: " << idx << "\n\tnumber_of_menus(): " << number_of_menus() ); auto_mutex M(m); return menus[idx].menu; } // ---------------------------------------------------------------------------------------- void menu_bar:: on_window_resized ( ) { adjust_position(); hide_menu(); } // ---------------------------------------------------------------------------------------- void menu_bar:: draw ( const canvas& c ) const { rectangle area(rect.intersect(c)); if (area.is_empty()) return; const unsigned char opacity = 40; fill_rect_with_vertical_gradient(c, rect,rgb_alpha_pixel(255,255,255,opacity), rgb_alpha_pixel(0,0,0,opacity)); // first draw the border between the menu and the rest of the window draw_line(c, point(rect.left(),rect.bottom()-1), point(rect.right(),rect.bottom()-1), 100); draw_line(c, point(rect.left(),rect.bottom()), point(rect.right(),rect.bottom()), 255); // now draw all the menu buttons for (unsigned long i = 0; i < menus.size(); ++i) { mfont->draw_string(c,menus[i].rect, menus[i].name ); if (menus[i].underline_p1 != menus[i].underline_p2) draw_line(c, menus[i].underline_p1, menus[i].underline_p2); if (open_menu == i) { fill_rect_with_vertical_gradient(c, menus[i].bgrect,rgb_alpha_pixel(255,255,0,40), rgb_alpha_pixel(0,0,0,40)); } } } // ---------------------------------------------------------------------------------------- void menu_bar:: on_window_moved ( ) { hide_menu(); } // ---------------------------------------------------------------------------------------- void menu_bar:: on_focus_lost ( ) { hide_menu(); } // ---------------------------------------------------------------------------------------- void menu_bar:: on_mouse_down ( unsigned long btn, unsigned long , long x, long y, bool ) { if (rect.contains(x,y) == false || btn != (unsigned long)base_window::LEFT) { hide_menu(); return; } unsigned long old_menu = menus.size(); // if a menu is currently open then save its index if (open_menu != menus.size()) { old_menu = open_menu; hide_menu(); } // figure out which menu should be open if any for (unsigned long i = 0; i < menus.size(); ++i) { if (menus[i].bgrect.contains(x,y)) { if (old_menu != i) show_menu(i); break; } } } // ---------------------------------------------------------------------------------------- void menu_bar:: on_mouse_move ( unsigned long , long x, long y ) { // if the mouse is over the menu_bar and some menu is currently open if (rect.contains(x,y) && open_menu != menus.size()) { // if the mouse is still in the same rectangle then don't do anything if (menus[open_menu].bgrect.contains(x,y) == false) { // figure out which menu should be instead for (unsigned long i = 0; i < menus.size(); ++i) { if (menus[i].bgrect.contains(x,y)) { show_menu(i); break; } } } } } // ---------------------------------------------------------------------------------------- void menu_bar:: on_keydown ( unsigned long key, bool is_printable, unsigned long state ) { if (state&base_window::KBD_MOD_ALT) { // check if the key matches any of our underlined keys for (unsigned long i = 0; i < menus.size(); ++i) { // if we have found a matching key if (is_printable && menus[i].underline_pos != std::string::npos && std::tolower(menus[i].name[menus[i].underline_pos]) == std::tolower(key)) { show_menu(i); menus[open_menu].menu.select_first_item(); return; } } } if (open_menu != menus.size()) { unsigned long i = open_menu; // if the submenu doesn't use this key for something then we will if (menus[open_menu].menu.forwarded_on_keydown(key,is_printable,state) == false) { if (key == base_window::KEY_LEFT) { i = (i+menus.size()-1)%menus.size(); show_menu(i); menus[open_menu].menu.select_first_item(); } else if (key == base_window::KEY_RIGHT) { i = (i+1)%menus.size(); show_menu(i); menus[open_menu].menu.select_first_item(); } else if (key == base_window::KEY_ESC) { hide_menu(); } } } } // ---------------------------------------------------------------------------------------- void menu_bar:: show_menu ( unsigned long i ) { rectangle temp; // menu already open so do nothing if (i == open_menu) return; // if a menu is currently open if (open_menu != menus.size()) { menus[open_menu].menu.hide(); temp = menus[open_menu].bgrect; } // display the new menu open_menu = i; long wx, wy; parent.get_pos(wx,wy); wx += menus[i].bgrect.left(); wy += menus[i].bgrect.bottom()+1; menus[i].menu.set_pos(wx,wy); menus[i].menu.show(); parent.invalidate_rectangle(menus[i].bgrect+temp); } // ---------------------------------------------------------------------------------------- void menu_bar:: hide_menu ( ) { // if a menu is currently open if (open_menu != menus.size()) { menus[open_menu].menu.hide(); parent.invalidate_rectangle(menus[open_menu].bgrect); open_menu = menus.size(); } } // ---------------------------------------------------------------------------------------- void menu_bar:: on_popup_hide ( ) { // if a menu is currently open if (open_menu != menus.size()) { parent.invalidate_rectangle(menus[open_menu].bgrect); open_menu = menus.size(); } } // ---------------------------------------------------------------------------------------- void menu_bar:: compute_menu_geometry ( ) { long x = 7; long bg_x = 0; for (unsigned long i = 0; i < menus.size(); ++i) { // compute the locations of the text rectangles menus[i].rect.set_top(5); menus[i].rect.set_left(x); menus[i].rect.set_bottom(rect.bottom()-2); unsigned long width, height; mfont->compute_size(menus[i].name,width,height); menus[i].rect = resize_rect_width(menus[i].rect, width); x = menus[i].rect.right()+10; menus[i].bgrect.set_top(0); menus[i].bgrect.set_left(bg_x); menus[i].bgrect.set_bottom(rect.bottom()-2); menus[i].bgrect.set_right(x-5); bg_x = menus[i].bgrect.right()+1; if (menus[i].underline_pos != std::string::npos) { // now compute the location of the underline bar rectangle r1 = mfont->compute_cursor_rect( menus[i].rect, menus[i].name, menus[i].underline_pos); rectangle r2 = mfont->compute_cursor_rect( menus[i].rect, menus[i].name, menus[i].underline_pos+1); menus[i].underline_p1.x() = r1.left()+1; menus[i].underline_p2.x() = r2.left()-1; menus[i].underline_p1.y() = r1.bottom()-mfont->height()+mfont->ascender()+2; menus[i].underline_p2.y() = r2.bottom()-mfont->height()+mfont->ascender()+2; } else { // there is no underline in this case menus[i].underline_p1 = menus[i].underline_p2; } } } // ---------------------------------------------------------------------------------------- void menu_bar:: adjust_position ( ) { unsigned long width, height; rectangle old(rect); parent.get_size(width,height); rect.set_left(0); rect.set_top(0); rect = resize_rect(rect,width,mfont->height()+10); parent.invalidate_rectangle(old+rect); } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // class text_grid // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- text_grid:: text_grid ( drawable_window& w ) : scrollable_region(w, KEYBOARD_EVENTS | MOUSE_CLICK | FOCUS_EVENTS ), has_focus(false), cursor_timer(*this,&text_grid::timer_action), border_color_(128,128,128) { cursor_timer.set_delay_time(500); set_vertical_scroll_increment(10); set_horizontal_scroll_increment(10); enable_events(); } // ---------------------------------------------------------------------------------------- text_grid:: ~text_grid ( ) { // Disable all further events for this drawable object. We have to do this // because we don't want draw() events coming to this object while or after // it has been destructed. disable_events(); // wait for the timer to stop doing its thing cursor_timer.stop_and_wait(); // Tell the parent window to redraw its area that previously contained this // drawable object. parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void text_grid:: set_grid_size ( unsigned long rows, unsigned long cols ) { auto_mutex M(m); row_height.set_max_size(rows); row_height.set_size(rows); col_width.set_max_size(cols); col_width.set_size(cols); grid.set_size(rows,cols); for (unsigned long i = 0; i < row_height.size(); ++i) row_height[i] = (mfont->height()*3)/2; for (unsigned long i = 0; i < col_width.size(); ++i) col_width[i] = mfont->height()*5; compute_total_rect(); compute_bg_rects(); } // ---------------------------------------------------------------------------------------- unsigned long text_grid:: number_of_columns ( ) const { auto_mutex M(m); return grid.nc(); } // ---------------------------------------------------------------------------------------- unsigned long text_grid:: number_of_rows ( ) const { auto_mutex M(m); return grid.nr(); } // ---------------------------------------------------------------------------------------- int text_grid:: next_free_user_event_number ( ) const { return scrollable_region::next_free_user_event_number()+1; } // ---------------------------------------------------------------------------------------- rgb_pixel text_grid:: border_color ( ) const { auto_mutex M(m); return border_color_; } // ---------------------------------------------------------------------------------------- void text_grid:: set_border_color ( rgb_pixel color ) { auto_mutex M(m); border_color_ = color; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const std::string text_grid:: text ( unsigned long row, unsigned long col ) const { return convert_wstring_to_mbstring(wtext(row, col)); } // ---------------------------------------------------------------------------------------- const std::wstring text_grid:: wtext ( unsigned long row, unsigned long col ) const { return convert_utf32_to_wstring(utext(row, col)); } // ---------------------------------------------------------------------------------------- const dlib::ustring text_grid:: utext ( unsigned long row, unsigned long col ) const { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tconst std::string text_grid::text(row,col)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\tthis: " << this ); return grid[row][col].text.c_str(); } // ---------------------------------------------------------------------------------------- void text_grid:: set_text ( unsigned long row, unsigned long col, const std::string& str ) { set_text(row, col, convert_mbstring_to_wstring(str)); } // ---------------------------------------------------------------------------------------- void text_grid:: set_text ( unsigned long row, unsigned long col, const std::wstring& str ) { set_text(row, col, convert_wstring_to_utf32(str)); } // ---------------------------------------------------------------------------------------- void text_grid:: set_text ( unsigned long row, unsigned long col, const dlib::ustring& str ) { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tvoid text_grid::set_text(row,col)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\tthis: " << this ); grid[row][col].text = str.c_str(); parent.invalidate_rectangle(get_text_rect(row,col)); } // ---------------------------------------------------------------------------------------- const rgb_pixel text_grid:: text_color ( unsigned long row, unsigned long col ) const { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tconst rgb_pixel text_grid::text_color(row,col)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\tthis: " << this ); return grid[row][col].text_color; } // ---------------------------------------------------------------------------------------- void text_grid:: set_text_color ( unsigned long row, unsigned long col, const rgb_pixel color ) { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tvoid text_grid::set_text_color(row,col,color)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\tthis: " << this ); grid[row][col].text_color = color; parent.invalidate_rectangle(get_text_rect(row,col)); } // ---------------------------------------------------------------------------------------- const rgb_pixel text_grid:: background_color ( unsigned long row, unsigned long col ) const { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tconst rgb_pixel text_grid::background_color(row,col,color)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\tthis: " << this ); return grid[row][col].bg_color; } // ---------------------------------------------------------------------------------------- void text_grid:: set_background_color ( unsigned long row, unsigned long col, const rgb_pixel color ) { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tvoid text_grid::set_background_color(row,col,color)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\tthis: " << this ); grid[row][col].bg_color = color; parent.invalidate_rectangle(get_bg_rect(row,col)); } // ---------------------------------------------------------------------------------------- bool text_grid:: is_editable ( unsigned long row, unsigned long col ) const { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tbool text_grid::is_editable(row,col)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\tthis: " << this ); return grid[row][col].is_editable; } // ---------------------------------------------------------------------------------------- void text_grid:: set_editable ( unsigned long row, unsigned long col, bool editable ) { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() && col < number_of_columns(), "\tvoid text_grid::set_editable(row,col,editable)" << "\n\trow: " << row << "\n\tcol: " << col << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\teditable: " << editable << "\n\tthis: " << this ); grid[row][col].is_editable = editable; if (has_focus && active_row == static_cast<long>(row) && active_col == static_cast<long>(col)) { drop_input_focus(); } } // ---------------------------------------------------------------------------------------- void text_grid:: set_column_width ( unsigned long col, unsigned long width ) { auto_mutex M(m); DLIB_ASSERT ( col < number_of_columns(), "\tvoid text_grid::set_column_width(col,width)" << "\n\tcol: " << col << "\n\tnumber_of_columns(): " << number_of_columns() << "\n\twidth: " << width << "\n\tthis: " << this ); col_width[col] = width; compute_total_rect(); compute_bg_rects(); } // ---------------------------------------------------------------------------------------- void text_grid:: set_row_height ( unsigned long row, unsigned long height ) { auto_mutex M(m); DLIB_ASSERT ( row < number_of_rows() , "\tvoid text_grid::set_row_height(row,height)" << "\n\trow: " << row << "\n\tnumber_of_rows(): " << number_of_rows() << "\n\theight: " << height << "\n\tthis: " << this ); row_height[row] = height; compute_total_rect(); compute_bg_rects(); } // ---------------------------------------------------------------------------------------- void text_grid:: disable ( ) { auto_mutex M(m); scrollable_region::disable(); drop_input_focus(); } // ---------------------------------------------------------------------------------------- void text_grid:: hide ( ) { auto_mutex M(m); scrollable_region::hide(); drop_input_focus(); } // ---------------------------------------------------------------------------------------- void text_grid:: on_user_event ( int num ) { // ignore this user event if it isn't for us if (num != scrollable_region::next_free_user_event_number()) return; if (has_focus && !recent_cursor_move && enabled && !hidden) { show_cursor = !show_cursor; parent.invalidate_rectangle(get_text_rect(active_row,active_col)); } recent_cursor_move = false; } // ---------------------------------------------------------------------------------------- void text_grid:: timer_action ( ) { parent.trigger_user_event(this,scrollable_region::next_free_user_event_number()); } // ---------------------------------------------------------------------------------------- void text_grid:: compute_bg_rects ( ) { // loop over each element in the grid and figure out what its rectangle should be // with respect to the total_rect() point p1, p2; p1.y() = total_rect().top(); for (long row = 0; row < grid.nr(); ++row) { p1.x() = total_rect().left(); p2.y() = p1.y() + row_height[row]-1; for (long col = 0; col < grid.nc(); ++col) { // if this is the last box in this row make it super wide so that it always // goes to the end of the widget if (col+1 == grid.nc()) p2.x() = 1000000; else p2.x() = p1.x() + col_width[col]-1; // at this point p1 is the upper left corner of this box and p2 is the // lower right corner of the box; rectangle bg_rect(p1); bg_rect += p2; grid[row][col].bg_rect = translate_rect(bg_rect, -total_rect().left(), -total_rect().top()); p1.x() += 1 + col_width[col]; } p1.y() += 1 + row_height[row]; } } // ---------------------------------------------------------------------------------------- void text_grid:: compute_total_rect ( ) { if (grid.size() == 0) { set_total_rect_size(0,0); } else { unsigned long width = col_width.size()-1; unsigned long height = row_height.size()-1; for (unsigned long i = 0; i < col_width.size(); ++i) width += col_width[i]; for (unsigned long i = 0; i < row_height.size(); ++i) height += row_height[i]; set_total_rect_size(width,height); } } // ---------------------------------------------------------------------------------------- void text_grid:: on_keydown ( unsigned long key, bool is_printable, unsigned long state ) { // ignore this event if we are disabled or hidden if (!enabled || hidden) return; if (has_focus) { if (is_printable) { // if the user hit the tab key then jump to the next box if (key == '\t') { if (active_col+1 == grid.nc()) { if (active_row+1 == grid.nr()) move_cursor(0,0,0); else move_cursor(active_row+1,0,0); } else { move_cursor(active_row,active_col+1,0); } } if (key == '\n') { // ignore the enter key } else if (grid[active_row][active_col].is_editable) { // insert the key the user pressed into the string grid[active_row][active_col].text.insert(cursor_pos,1,static_cast<char>(key)); move_cursor(active_row,active_col,cursor_pos+1); if (text_modified_handler.is_set()) text_modified_handler(active_row,active_col); } } else if ((state & base_window::KBD_MOD_CONTROL)) { if (key == base_window::KEY_LEFT) move_cursor(active_row,active_col-1,0); else if (key == base_window::KEY_RIGHT) move_cursor(active_row,active_col+1,0); else if (key == base_window::KEY_UP) move_cursor(active_row-1,active_col,0); else if (key == base_window::KEY_DOWN) move_cursor(active_row+1,active_col,0); else if (key == base_window::KEY_END) move_cursor(active_row,active_col,grid[active_row][active_col].text.size()); else if (key == base_window::KEY_HOME) move_cursor(active_row,active_col,0); } else { if (key == base_window::KEY_LEFT) move_cursor(active_row,active_col,cursor_pos-1); else if (key == base_window::KEY_RIGHT) move_cursor(active_row,active_col,cursor_pos+1); else if (key == base_window::KEY_UP) move_cursor(active_row-1,active_col,0); else if (key == base_window::KEY_DOWN) move_cursor(active_row+1,active_col,0); else if (key == base_window::KEY_END) move_cursor(active_row,active_col,grid[active_row][active_col].text.size()); else if (key == base_window::KEY_HOME) move_cursor(active_row,active_col,0); else if (key == base_window::KEY_BACKSPACE) { if (cursor_pos > 0 && grid[active_row][active_col].is_editable) { grid[active_row][active_col].text.erase( grid[active_row][active_col].text.begin()+cursor_pos-1, grid[active_row][active_col].text.begin()+cursor_pos); move_cursor(active_row,active_col,cursor_pos-1); if (text_modified_handler.is_set()) text_modified_handler(active_row,active_col); } } else if (key == base_window::KEY_DELETE) { if (cursor_pos < static_cast<long>(grid[active_row][active_col].text.size()) && grid[active_row][active_col].is_editable) { grid[active_row][active_col].text.erase( grid[active_row][active_col].text.begin()+cursor_pos); move_cursor(active_row,active_col,cursor_pos); if (text_modified_handler.is_set()) text_modified_handler(active_row,active_col); } } } } // if (has_focus) } // ---------------------------------------------------------------------------------------- void text_grid:: on_mouse_down ( unsigned long btn, unsigned long state, long x, long y, bool is_double_click ) { scrollable_region::on_mouse_down(btn, state, x, y, is_double_click); if (display_rect().contains(x,y) && enabled && !hidden) { // figure out which box this click landed in rectangle hit; // find which column we hit unsigned long col = 0; long box_x = total_rect().left(); for (unsigned long i = 0; i < col_width.size(); ++i) { if (box_x <= x && (x < box_x+static_cast<long>(col_width[i]) || (i+1 == col_width.size()))) { col = i; hit.set_left(box_x); hit.set_right(box_x+col_width[i]-1); break; } else { box_x += col_width[i]+1; } } // find which row we hit unsigned long row = 0; long box_y = total_rect().top(); for (unsigned long i = 0; i < row_height.size(); ++i) { if (box_y <= y && y < box_y+static_cast<long>(row_height[i])) { row = i; hit.set_top(box_y); hit.set_bottom(box_y+row_height[i]-1); break; } else { box_y += row_height[i]+1; } } // if we hit a box if (hit.is_empty() == false) { move_cursor(row, col, mfont->compute_cursor_pos(get_text_rect(row,col), grid[row][col].text, x, y, grid[row][col].first) ); } else { drop_input_focus(); } } else { drop_input_focus(); } } // ---------------------------------------------------------------------------------------- void text_grid:: on_mouse_up ( unsigned long btn, unsigned long state, long x, long y ) { scrollable_region::on_mouse_up(btn, state, x, y); } // ---------------------------------------------------------------------------------------- void text_grid:: on_focus_lost ( ) { drop_input_focus(); } // ---------------------------------------------------------------------------------------- void text_grid:: draw ( const canvas& c ) const { scrollable_region::draw(c); rectangle area = c.intersect(display_rect()); if (area.is_empty() == true) return; if (enabled) fill_rect(c, area, 255); // don't do anything if the grid is empty if (grid.size() == 0) return; // draw all the vertical lines point p1, p2; p1.x() = p2.x() = total_rect().left(); p1.y() = total_rect().top(); p2.y() = total_rect().bottom(); for (unsigned long i = 0; i < col_width.size()-1; ++i) { p1.x() += col_width[i]; p2.x() += col_width[i]; if (enabled) draw_line(c,p1,p2,border_color_,area); else draw_line(c,p1,p2,128,area); p1.x() += 1; p2.x() += 1; } // draw all the horizontal lines p1.y() = p2.y() = total_rect().top(); p1.x() = display_rect().left(); p2.x() = display_rect().right(); for (unsigned long i = 0; i < row_height.size(); ++i) { p1.y() += row_height[i]; p2.y() += row_height[i]; if (enabled) draw_line(c,p1,p2,border_color_,area); else draw_line(c,p1,p2,128,area); p1.y() += 1; p2.y() += 1; } // draw the backgrounds and text for each box for (long row = 0; row < grid.nr(); ++row) { for (long col = 0; col < grid.nc(); ++col) { rectangle bg_rect(get_bg_rect(row,col)); rectangle text_rect(get_text_rect(row,col)); if (enabled) { fill_rect(c,bg_rect.intersect(area),grid[row][col].bg_color); mfont->draw_string(c, text_rect, grid[row][col].text, grid[row][col].text_color, grid[row][col].first, std::string::npos, area); } else { mfont->draw_string(c, text_rect, grid[row][col].text, 128, grid[row][col].first, std::string::npos, area); } // if this box has input focus then draw it with a cursor if (has_focus && active_col == col && active_row == row && show_cursor) { rectangle cursor_rect = mfont->compute_cursor_rect(text_rect, grid[row][col].text, cursor_pos, grid[row][col].first); draw_rectangle(c,cursor_rect,0,area); } } } } // ---------------------------------------------------------------------------------------- rectangle text_grid:: get_text_rect ( unsigned long row, unsigned long col ) const { rectangle bg_rect(get_bg_rect(row,col)); long padding = (bg_rect.height() - mfont->height())/2 + (bg_rect.height() - mfont->height())%2; if (padding < 0) padding = 0; bg_rect.set_left(bg_rect.left()+padding); bg_rect.set_top(bg_rect.top()+padding); bg_rect.set_right(bg_rect.right()-padding); bg_rect.set_bottom(bg_rect.bottom()-padding); return bg_rect; } // ---------------------------------------------------------------------------------------- rectangle text_grid:: get_bg_rect ( unsigned long row, unsigned long col ) const { return translate_rect(grid[row][col].bg_rect, total_rect().left(), total_rect().top()); } // ---------------------------------------------------------------------------------------- void text_grid:: drop_input_focus ( ) { if (has_focus) { parent.invalidate_rectangle(get_text_rect(active_row,active_col)); has_focus = false; show_cursor = false; cursor_timer.stop(); } } // ---------------------------------------------------------------------------------------- void text_grid:: move_cursor ( long row, long col, long new_cursor_pos ) { // don't do anything if the grid is empty if (grid.size() == 0) { return; } if (row < 0) row = 0; if (row >= grid.nr()) row = grid.nr()-1; if (col < 0) col = 0; if (col >= grid.nc()) col = grid.nc()-1; if (new_cursor_pos < 0) { if (col == 0) { new_cursor_pos = 0; } else { --col; new_cursor_pos = grid[row][col].text.size(); } } if (new_cursor_pos > static_cast<long>(grid[row][col].text.size())) { if (col+1 == grid.nc()) { new_cursor_pos = grid[row][col].text.size(); } else { ++col; new_cursor_pos = 0; } } // if some other box had the input focus then redraw it if (has_focus && (active_row != row || active_col != col )) { parent.invalidate_rectangle(get_text_rect(active_row,active_col)); } if (has_focus == false) { cursor_timer.start(); } has_focus = true; recent_cursor_move = true; show_cursor = true; active_row = row; active_col = col; cursor_pos = new_cursor_pos; // adjust the first character to draw so that the string is displayed well rectangle text_rect(get_text_rect(active_row,active_col)); rectangle cursor_rect = mfont->compute_cursor_rect(text_rect, grid[row][col].text, cursor_pos, grid[row][col].first); // if the cursor rect is too far to the left of the string if (cursor_pos < static_cast<long>(grid[row][col].first)) { if (cursor_pos > 5) { grid[row][col].first = cursor_pos - 5; } else { grid[row][col].first = 0; } } // if the cursor rect is too far to the right of the string else if (cursor_rect.left() > text_rect.right()) { long distance = (cursor_rect.left() - text_rect.right()) + text_rect.width()/3; // find the letter that is distance pixels from the start of the string long sum = 0; for (unsigned long i = grid[row][col].first; i < grid[row][col].text.size(); ++i) { sum += (*mfont)[grid[row][col].text[i]].width(); if (sum >= distance) { grid[row][col].first = i; break; } } } scroll_to_rect(get_bg_rect(row,col)); // redraw our box parent.invalidate_rectangle(text_rect); } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // text_field object methods // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- rectangle text_box:: get_text_rect ( ) const { const unsigned long padding = style->get_padding(*mfont); rectangle text_rect; text_rect.set_left(total_rect().left()+padding); text_rect.set_top(total_rect().top()+padding); text_rect.set_right(total_rect().right()-padding); text_rect.set_bottom(total_rect().bottom()-padding); return text_rect; } // ---------------------------------------------------------------------------------------- void text_box:: enable ( ) { scrollable_region::enable(); right_click_menu.enable(); } // ---------------------------------------------------------------------------------------- void text_box:: on_cut ( ) { on_copy(); on_delete_selected(); } // ---------------------------------------------------------------------------------------- void text_box:: on_copy ( ) { if (highlight_start <= highlight_end) { put_on_clipboard(text_.substr(highlight_start, highlight_end-highlight_start+1)); } } // ---------------------------------------------------------------------------------------- void text_box:: on_paste ( ) { ustring temp_str; get_from_clipboard(temp_str); if (highlight_start <= highlight_end) { text_ = text_.substr(0,highlight_start) + temp_str + text_.substr(highlight_end+1,text_.size()-highlight_end-1); move_cursor(highlight_start+temp_str.size()); highlight_start = 0; highlight_end = -1; parent.invalidate_rectangle(rect); on_no_text_selected(); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } else { text_ = text_.substr(0,cursor_pos) + temp_str + text_.substr(cursor_pos,text_.size()-cursor_pos); move_cursor(cursor_pos+temp_str.size()); // send out the text modified event if (temp_str.size() != 0 && text_modified_handler.is_set()) text_modified_handler(); } adjust_total_rect(); } // ---------------------------------------------------------------------------------------- void text_box:: on_select_all ( ) { move_cursor(static_cast<long>(text_.size())); highlight_start = 0; highlight_end = static_cast<long>(text_.size()-1); if (highlight_start <= highlight_end) on_text_is_selected(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void text_box:: on_delete_selected ( ) { if (highlight_start <= highlight_end) { text_ = text_.erase(highlight_start,highlight_end-highlight_start+1); move_cursor(highlight_start); highlight_start = 0; highlight_end = -1; on_no_text_selected(); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); adjust_total_rect(); parent.invalidate_rectangle(rect); } } // ---------------------------------------------------------------------------------------- void text_box:: on_text_is_selected ( ) { right_click_menu.menu().enable_menu_item(0); right_click_menu.menu().enable_menu_item(1); right_click_menu.menu().enable_menu_item(3); } // ---------------------------------------------------------------------------------------- void text_box:: on_no_text_selected ( ) { right_click_menu.menu().disable_menu_item(0); right_click_menu.menu().disable_menu_item(1); right_click_menu.menu().disable_menu_item(3); } // ---------------------------------------------------------------------------------------- void text_box:: show ( ) { scrollable_region::show(); right_click_menu.show(); } // ---------------------------------------------------------------------------------------- void text_box:: disable ( ) { auto_mutex M(m); scrollable_region::disable(); t.stop(); has_focus = false; cursor_visible = false; right_click_menu.disable(); } // ---------------------------------------------------------------------------------------- void text_box:: hide ( ) { auto_mutex M(m); scrollable_region::hide(); t.stop(); has_focus = false; cursor_visible = false; } // ---------------------------------------------------------------------------------------- void text_box:: adjust_total_rect ( ) { const unsigned long padding = style->get_padding(*mfont); unsigned long text_width; unsigned long text_height; mfont->compute_size(text_, text_width, text_height); set_total_rect_size(text_width + padding*2, text_height + padding*2); } // ---------------------------------------------------------------------------------------- void text_box:: set_main_font ( const shared_ptr_thread_safe<font>& f ) { auto_mutex M(m); mfont = f; adjust_total_rect(); right_click_menu.set_rect(display_rect()); } // ---------------------------------------------------------------------------------------- void text_box:: draw ( const canvas& c ) const { scrollable_region::draw(c); rectangle area = rect.intersect(c); if (area.is_empty()) return; const point origin(total_rect().left(), total_rect().top()); style->draw_text_box(c,display_rect(),get_text_rect(), enabled, *mfont, text_, translate_rect(cursor_rect, origin), text_color_, bg_color_, has_focus, cursor_visible, highlight_start, highlight_end); } // ---------------------------------------------------------------------------------------- void text_box:: set_text ( const std::string& text ) { set_text(convert_mbstring_to_wstring(text)); } void text_box:: set_text ( const std::wstring& text ) { set_text(convert_wstring_to_utf32(text)); } void text_box:: set_text ( const dlib::ustring& text ) { auto_mutex M(m); // do this to get rid of any reference counting that may be present in // the std::string implementation. text_ = text.c_str(); adjust_total_rect(); move_cursor(0); highlight_start = 0; highlight_end = -1; } // ---------------------------------------------------------------------------------------- const std::string text_box:: text ( ) const { std::string temp = convert_wstring_to_mbstring(wtext()); return temp; } const std::wstring text_box:: wtext ( ) const { std::wstring temp = convert_utf32_to_wstring(utext()); return temp; } const dlib::ustring text_box:: utext ( ) const { auto_mutex M(m); // do this to get rid of any reference counting that may be present in // the dlib::ustring implementation. dlib::ustring temp = text_.c_str(); return temp; } // ---------------------------------------------------------------------------------------- void text_box:: set_size ( unsigned long width, unsigned long height ) { auto_mutex M(m); scrollable_region::set_size(width,height); right_click_menu.set_rect(display_rect()); } // ---------------------------------------------------------------------------------------- void text_box:: set_pos ( long x, long y ) { scrollable_region::set_pos(x,y); right_click_menu.set_rect(get_text_rect()); } // ---------------------------------------------------------------------------------------- void text_box:: set_background_color ( const rgb_pixel color ) { auto_mutex M(m); bg_color_ = color; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const rgb_pixel text_box:: background_color ( ) const { auto_mutex M(m); return bg_color_; } // ---------------------------------------------------------------------------------------- void text_box:: set_text_color ( const rgb_pixel color ) { auto_mutex M(m); text_color_ = color; parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- const rgb_pixel text_box:: text_color ( ) const { auto_mutex M(m); return text_color_; } // ---------------------------------------------------------------------------------------- void text_box:: on_mouse_move ( unsigned long state, long x, long y ) { if (!enabled || hidden || !has_focus) { return; } if (state & base_window::LEFT) { if (highlight_start <= highlight_end) { if (highlight_start == cursor_pos) shift_pos = highlight_end + 1; else shift_pos = highlight_start; } unsigned long new_pos = mfont->compute_cursor_pos(get_text_rect(),text_,x,y); if (static_cast<long>(new_pos) != cursor_pos) { move_cursor(new_pos); parent.invalidate_rectangle(rect); } } else if (shift_pos != -1) { shift_pos = -1; } } // ---------------------------------------------------------------------------------------- void text_box:: on_mouse_up ( unsigned long btn, unsigned long, long , long ) { if (!enabled || hidden) return; if (btn == base_window::LEFT) shift_pos = -1; } // ---------------------------------------------------------------------------------------- void text_box:: on_mouse_down ( unsigned long btn, unsigned long state, long x, long y, bool double_clicked ) { using namespace std; if (!enabled || hidden || btn != (unsigned long)base_window::LEFT) return; if (display_rect().contains(x,y)) { has_focus = true; cursor_visible = true; parent.invalidate_rectangle(rect); t.start(); if (double_clicked) { // highlight the double clicked word string::size_type first, last; const ustring ustr = convert_utf8_to_utf32(std::string(" \t\n")); first = text_.substr(0,cursor_pos).find_last_of(ustr.c_str()); last = text_.find_first_of(ustr.c_str(),cursor_pos); long f = static_cast<long>(first); long l = static_cast<long>(last); if (first == string::npos) f = -1; if (last == string::npos) l = static_cast<long>(text_.size()); ++f; --l; move_cursor(l+1); highlight_start = f; highlight_end = l; on_text_is_selected(); } else { if (state & base_window::SHIFT) { if (highlight_start <= highlight_end) { if (highlight_start == cursor_pos) shift_pos = highlight_end + 1; else shift_pos = highlight_start; } else { shift_pos = cursor_pos; } } bool at_end = false; if (cursor_pos == 0 || cursor_pos == static_cast<long>(text_.size())) at_end = true; const long old_pos = cursor_pos; unsigned long new_pos = mfont->compute_cursor_pos(get_text_rect(),text_,x,y); move_cursor(new_pos); shift_pos = cursor_pos; if (at_end && cursor_pos == old_pos) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); } } } else if (has_focus && rect.contains(x,y) == false) { t.stop(); has_focus = false; cursor_visible = false; shift_pos = -1; highlight_start = 0; highlight_end = -1; on_no_text_selected(); if (focus_lost_handler.is_set()) focus_lost_handler(); parent.invalidate_rectangle(rect); } else { has_focus = false; } } // ---------------------------------------------------------------------------------------- void text_box:: on_keydown ( unsigned long key, bool is_printable, unsigned long state ) { // If the right click menu is up then we don't want to do anything with // the keyboard ourselves. Let the popup menu use the keyboard for now. if (right_click_menu.popup_menu_visible()) return; if (has_focus && enabled && !hidden) { const ustring space_str = convert_utf8_to_utf32(std::string(" \t\n")); const bool shift = (state&base_window::KBD_MOD_SHIFT) != 0; const bool ctrl = (state&base_window::KBD_MOD_CONTROL) != 0; if (shift && is_printable == false) { if (shift_pos == -1) { if (highlight_start <= highlight_end) { if (highlight_start == cursor_pos) shift_pos = highlight_end + 1; else shift_pos = highlight_start; } else { shift_pos = cursor_pos; } } } else { shift_pos = -1; } if (key == base_window::KEY_LEFT) { if (cursor_pos != 0) { unsigned long new_pos; if (ctrl) { // find the first non-whitespace to our left std::string::size_type pos = text_.find_last_not_of(space_str.c_str(),cursor_pos); if (pos != std::string::npos) { pos = text_.find_last_of(space_str.c_str(),pos); if (pos != std::string::npos) new_pos = static_cast<unsigned long>(pos); else new_pos = 0; } else { new_pos = 0; } } else { new_pos = cursor_pos-1; } move_cursor(new_pos); } else if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (key == base_window::KEY_RIGHT) { if (cursor_pos != static_cast<long>(text_.size())) { unsigned long new_pos; if (ctrl) { // find the first non-whitespace to our left std::string::size_type pos = text_.find_first_not_of(space_str.c_str(),cursor_pos); if (pos != std::string::npos) { pos = text_.find_first_of(space_str.c_str(),pos); if (pos != std::string::npos) new_pos = static_cast<unsigned long>(pos+1); else new_pos = static_cast<unsigned long>(text_.size()); } else { new_pos = static_cast<unsigned long>(text_.size()); } } else { new_pos = cursor_pos+1; } move_cursor(new_pos); } else if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (key == base_window::KEY_UP) { if (ctrl) { move_cursor(0); } else { const point origin(total_rect().left(), total_rect().top()); // move the cursor so the position that is just a few pixels above // the current cursor_rect move_cursor(mfont->compute_cursor_pos( get_text_rect(), text_, cursor_rect.left()+origin.x(), cursor_rect.top()+origin.y()-mfont->height()/2)); } if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (key == base_window::KEY_DOWN) { if (ctrl) { move_cursor(static_cast<unsigned long>(text_.size())); } else { const point origin(total_rect().left(), total_rect().top()); // move the cursor so the position that is just a few pixels above // the current cursor_rect move_cursor(mfont->compute_cursor_pos( get_text_rect(), text_, cursor_rect.left()+origin.x(), cursor_rect.bottom()+origin.y()+mfont->height()/2)); } if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (is_printable) { if (ctrl) { if (key == 'a') { on_select_all(); } else if (key == 'c') { on_copy(); } else if (key == 'v') { on_paste(); } else if (key == 'x') { on_cut(); } } else { if (highlight_start <= highlight_end) { text_ = text_.substr(0,highlight_start) + static_cast<unichar>(key) + text_.substr(highlight_end+1,text_.size()-highlight_end-1); adjust_total_rect(); move_cursor(highlight_start+1); highlight_start = 0; highlight_end = -1; on_no_text_selected(); } else { text_ = text_.substr(0,cursor_pos) + static_cast<unichar>(key) + text_.substr(cursor_pos,text_.size()-cursor_pos); adjust_total_rect(); move_cursor(cursor_pos+1); } // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } if (key == '\n') { if (enter_key_handler.is_set()) enter_key_handler(); } } else if (key == base_window::KEY_BACKSPACE) { // if something is highlighted then delete that if (highlight_start <= highlight_end) { on_delete_selected(); } else if (cursor_pos != 0) { text_ = text_.erase(cursor_pos-1,1); adjust_total_rect(); move_cursor(cursor_pos-1); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } else { // do this just so it repaints itself right move_cursor(cursor_pos); } } else if (key == base_window::KEY_DELETE) { // if something is highlighted then delete that if (highlight_start <= highlight_end) { on_delete_selected(); } else if (cursor_pos != static_cast<long>(text_.size())) { text_ = text_.erase(cursor_pos,1); adjust_total_rect(); // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } else { // do this just so it repaints itself right move_cursor(cursor_pos); } } else if (key == base_window::KEY_HOME) { if (ctrl) { move_cursor(0); } else if (cursor_pos != 0) { // find the start of the current line ustring::size_type pos = text_.find_last_of('\n',cursor_pos-1); if (pos == ustring::npos) pos = 0; else pos += 1; move_cursor(static_cast<unsigned long>(pos)); } if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (key == base_window::KEY_END) { if (ctrl) { move_cursor(static_cast<unsigned long>(text_.size())); } { ustring::size_type pos = text_.find_first_of('\n',cursor_pos); if (pos == ustring::npos) pos = text_.size(); move_cursor(static_cast<unsigned long>(pos)); } if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; on_no_text_selected(); parent.invalidate_rectangle(rect); } } else if (key == base_window::KEY_PAGE_DOWN || key == base_window::KEY_PAGE_UP) { long jump_size = display_rect().height() - std::min(mfont->height()*3, display_rect().height()/5); // if we are supposed to page up then just jump in the other direction if (key == base_window::KEY_PAGE_UP) jump_size = -jump_size; scroll_to_rect(translate_rect(display_rect(), point(0, jump_size ))); } cursor_visible = true; recent_movement = true; } } // ---------------------------------------------------------------------------------------- void text_box:: on_string_put( const std::wstring &str ) { if (has_focus && enabled && !hidden) { ustring ustr = convert_wstring_to_utf32(str); if (highlight_start <= highlight_end) { text_ = text_.substr(0,highlight_start) + ustr + text_.substr(highlight_end+1,text_.size()-highlight_end-1); adjust_total_rect(); move_cursor(highlight_start+ustr.size()); highlight_start = 0; highlight_end = -1; on_no_text_selected(); } else { text_ = text_.substr(0,cursor_pos) + ustr + text_.substr(cursor_pos,text_.size()-cursor_pos); adjust_total_rect(); move_cursor(cursor_pos+ustr.size()); } // send out the text modified event if (text_modified_handler.is_set()) text_modified_handler(); } } // ---------------------------------------------------------------------------------------- void text_box:: move_cursor ( unsigned long pos ) { using namespace std; const long old_cursor_pos = cursor_pos; // figure out where the cursor is supposed to be cursor_rect = mfont->compute_cursor_rect(get_text_rect(), text_, pos); const point origin(total_rect().left(), total_rect().top()); cursor_pos = pos; const unsigned long padding = style->get_padding(*mfont); // find the delta between the cursor rect and the corner of the total rect point delta = point(cursor_rect.left(), cursor_rect.top()) - point(total_rect().left(), total_rect().top()); // now scroll us so that we can see the current cursor scroll_to_rect(centered_rect(cursor_rect, cursor_rect.width() + padding + 6, cursor_rect.height() + 1)); // adjust the cursor_rect so that it is relative to the total_rect cursor_rect = translate_rect(cursor_rect, -origin); parent.set_im_pos(cursor_rect.left(), cursor_rect.top()); if (old_cursor_pos != cursor_pos) { if (shift_pos != -1) { highlight_start = std::min(shift_pos,cursor_pos); highlight_end = std::max(shift_pos,cursor_pos)-1; } if (highlight_start > highlight_end) on_no_text_selected(); else on_text_is_selected(); recent_movement = true; cursor_visible = true; parent.invalidate_rectangle(display_rect()); } if (shift_pos == -1) { highlight_start = 0; highlight_end = -1; } } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // image_display member functions // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- image_display:: image_display( drawable_window& w ): scrollable_region(w) { enable_mouse_drag(); set_horizontal_scroll_increment(1); set_vertical_scroll_increment(1); set_horizontal_mouse_wheel_scroll_increment(30); set_vertical_mouse_wheel_scroll_increment(30); enable_events(); } // ---------------------------------------------------------------------------------------- image_display:: ~image_display( ) { disable_events(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void image_display:: add_overlay ( const overlay_rect& overlay ) { auto_mutex M(m); // push this new overlay into our overlay vector overlay_rects.push_back(overlay); // make the parent window redraw us now that we changed the overlay parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void image_display:: add_overlay ( const overlay_line& overlay ) { auto_mutex M(m); // push this new overlay into our overlay vector overlay_lines.push_back(overlay); const point origin(total_rect().tl_corner()); // make the parent window redraw us now that we changed the overlay parent.invalidate_rectangle(rectangle(overlay.p1+origin, overlay.p2+origin)); } // ---------------------------------------------------------------------------------------- void image_display:: add_overlay ( const std::vector<overlay_rect>& overlay ) { auto_mutex M(m); // push this new overlay into our overlay vector overlay_rects.insert(overlay_rects.end(), overlay.begin(), overlay.end()); // make the parent window redraw us now that we changed the overlay parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void image_display:: add_overlay ( const std::vector<overlay_line>& overlay ) { auto_mutex M(m); // push this new overlay into our overlay vector overlay_lines.insert(overlay_lines.end(), overlay.begin(), overlay.end()); // make the parent window redraw us now that we changed the overlay parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void image_display:: clear_overlay ( ) { auto_mutex M(m); overlay_rects.clear(); overlay_lines.clear(); parent.invalidate_rectangle(rect); } // ---------------------------------------------------------------------------------------- void image_display:: draw ( const canvas& c ) const { scrollable_region::draw(c); rectangle area = display_rect().intersect(c); if (area.is_empty()) return; const point origin(total_rect().tl_corner()); draw_image(c, origin, img, area); // now draw all the overlay rectangles for (unsigned long i = 0; i < overlay_rects.size(); ++i) { draw_rectangle(c, translate_rect(overlay_rects[i].rect, origin), overlay_rects[i].color, area); if (overlay_rects[i].label.size() != 0) { // make a rectangle that is at the spot we want to draw our string rectangle r(overlay_rects[i].rect.br_corner(), overlay_rects[i].rect.br_corner() + point(10000,10000)); r = translate_rect(r, origin); mfont->draw_string(c, r, overlay_rects[i].label, overlay_rects[i].color, 0, std::string::npos, area); } } // now draw all the overlay lines for (unsigned long i = 0; i < overlay_lines.size(); ++i) { draw_line(c, overlay_lines[i].p1+origin, overlay_lines[i].p2+origin, overlay_lines[i].color, area); } } // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- // image_window member functions // ---------------------------------------------------------------------------------------- // ---------------------------------------------------------------------------------------- image_window:: image_window( ) : gui_img(*this), nr(0), nc(0) { // show this window on the screen show(); } // ---------------------------------------------------------------------------------------- image_window:: ~image_window( ) { // You should always call close_window() in the destructor of window // objects to ensure that no events will be sent to this window while // it is being destructed. close_window(); } // ---------------------------------------------------------------------------------------- void image_window:: add_overlay ( const overlay_rect& overlay ) { gui_img.add_overlay(overlay); } // ---------------------------------------------------------------------------------------- void image_window:: add_overlay ( const overlay_line& overlay ) { gui_img.add_overlay(overlay); } // ---------------------------------------------------------------------------------------- void image_window:: add_overlay ( const std::vector<overlay_rect>& overlay ) { gui_img.add_overlay(overlay); } // ---------------------------------------------------------------------------------------- void image_window:: add_overlay ( const std::vector<overlay_line>& overlay ) { gui_img.add_overlay(overlay); } // ---------------------------------------------------------------------------------------- void image_window:: clear_overlay ( ) { gui_img.clear_overlay(); } // ---------------------------------------------------------------------------------------- void image_window:: on_window_resized( ) { drawable_window::on_window_resized(); unsigned long width, height; get_size(width,height); gui_img.set_size(width, height); } // ---------------------------------------------------------------------------------------- } #endif // DLIB_WIDGETs_CPP_