Mir
server_example_canonical_window_manager.h
/*
* Copyright © 2015 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored By: Alan Griffiths <alan@octopull.co.uk>
*/
#ifndef MIR_EXAMPLE_CANONICAL_WINDOW_MANAGER_H_
#define MIR_EXAMPLE_CANONICAL_WINDOW_MANAGER_H_
#include <atomic>
#include <set>
// Based on "Mir and Unity: Surfaces, input, and displays (v0.3)"
namespace mir
{
namespace shell { class DisplayLayout; }
namespace examples
{
// standard window management algorithm:
// o Switch apps: tap or click on the corresponding tile
// o Move window: Alt-leftmousebutton drag (three finger drag)
// o Resize window: Alt-middle_button drag (two finger drag)
// o Maximize/restore current window (to display size): Alt-F11
// o Maximize/restore current window (to display height): Shift-F11
// o Maximize/restore current window (to display width): Ctrl-F11
// o client requests to maximize, vertically maximize & restore
class CanonicalWindowManagerPolicyCopy : public WindowManagementPolicy
{
public:
explicit CanonicalWindowManagerPolicyCopy(
WindowManagerTools* const tools,
std::shared_ptr<shell::DisplayLayout> const& display_layout);
void click(geometry::Point cursor);
void handle_session_info_updated(SessionInfoMap& session_info, geometry::Rectangles const& displays);
void handle_displays_updated(SessionInfoMap& session_info, geometry::Rectangles const& displays);
void resize(geometry::Point cursor);
auto handle_place_new_surface(
std::shared_ptr<scene::Session> const& session,
scene::SurfaceCreationParameters const& request_parameters)
-> scene::SurfaceCreationParameters;
void handle_new_surface(std::shared_ptr<scene::Session> const& session, std::shared_ptr<scene::Surface> const& surface);
void handle_modify_surface(
std::shared_ptr<scene::Session> const& session,
std::shared_ptr<scene::Surface> const& surface,
shell::SurfaceSpecification const& modifications);
void handle_delete_surface(std::shared_ptr<scene::Session> const& session, std::weak_ptr<scene::Surface> const& surface);
int handle_set_state(std::shared_ptr<scene::Surface> const& surface, MirWindowState value);
void drag(geometry::Point cursor);
bool handle_keyboard_event(MirKeyboardEvent const* event);
bool handle_touch_event(MirTouchEvent const* event);
bool handle_pointer_event(MirPointerEvent const* event);
void handle_raise_surface(
std::shared_ptr<scene::Session> const& session,
std::shared_ptr<scene::Surface> const& surface);
void generate_decorations_for(
std::shared_ptr<scene::Session> const& session,
std::shared_ptr<scene::Surface> const& surface,
SurfaceInfoMap& surface_map,
std::function<frontend::SurfaceId(std::shared_ptr<scene::Session> const& session, scene::SurfaceCreationParameters const& params)> const& build);
private:
static const int modifier_mask =
void toggle(MirWindowState state);
// "Mir and Unity: Surfaces, input, and displays (v0.3)" talks about active
// *window*,but Mir really only understands surfaces
void select_active_surface(std::shared_ptr<scene::Surface> const& surface);
auto active_surface() const -> std::shared_ptr<scene::Surface>;
bool resize(std::shared_ptr<scene::Surface> const& surface, geometry::Point cursor, geometry::Point old_cursor, geometry::Rectangle bounds);
bool drag(std::shared_ptr<scene::Surface> surface, geometry::Point to, geometry::Point from, geometry::Rectangle bounds);
void move_tree(std::shared_ptr<scene::Surface> const& root, geometry::Displacement movement) const;
void apply_resize(
std::shared_ptr<mir::scene::Surface> const& surface,
std::shared_ptr<mir::scene::Surface> const& titlebar,
geometry::Point const& new_pos,
geometry::Size const& new_size) const;
WindowManagerTools* const tools;
std::shared_ptr<shell::DisplayLayout> const display_layout;
geometry::Rectangle display_area;
geometry::Point old_cursor{};
std::weak_ptr<scene::Surface> active_surface_;
using FullscreenSurfaces = std::set<std::weak_ptr<scene::Surface>, std::owner_less<std::weak_ptr<scene::Surface>>>;
FullscreenSurfaces fullscreen_surfaces;
bool resizing = false;
bool left_resize = false;
bool top_resize = false;
};
}
}
#endif /* MIR_EXAMPLE_CANONICAL_WINDOW_MANAGER_H_ */

Copyright © 2012-2016 Canonical Ltd.
Generated on Mon Jun 5 11:05:03 UTC 2017