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* Copyright © 2015 Canonical Ltd.
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 3,
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* as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* Authored By: Alan Griffiths <alan@octopull.co.uk>
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#ifndef MIR_SHELL_CANONICAL_WINDOW_MANAGER_H_
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#define MIR_SHELL_CANONICAL_WINDOW_MANAGER_H_
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#include "basic_window_manager.h"
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#include "mir/geometry/displacement.h"
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struct CanonicalSessionInfo
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struct CanonicalSurfaceInfo
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std::shared_ptr<scene::Session> const& session,
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std::shared_ptr<scene::Surface> const& surface,
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scene::SurfaceCreationParameters const& params);
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MirSurfaceState state;
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geometry::Rectangle restore_rect;
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std::weak_ptr<scene::Session> session;
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std::weak_ptr<scene::Surface> parent;
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std::vector<std::weak_ptr<scene::Surface>> children;
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optional_value<geometry::Width> min_width;
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optional_value<geometry::Height> min_height;
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optional_value<geometry::Width> max_width;
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optional_value<geometry::Height> max_height;
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mir::optional_value<geometry::DeltaX> width_inc;
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mir::optional_value<geometry::DeltaY> height_inc;
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mir::optional_value<SurfaceAspectRatio> min_aspect;
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mir::optional_value<SurfaceAspectRatio> max_aspect;
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// standard window management algorithm:
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// o Switch apps: tap or click on the corresponding tile
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// o Move window: Alt-leftmousebutton drag
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// o Resize window: Alt-middle_button drag
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// o Maximize/restore current window (to display size): Alt-F11
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// o Maximize/restore current window (to display height): Shift-F11
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// o Maximize/restore current window (to display width): Ctrl-F11
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// o client requests to maximize, vertically maximize & restore
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class CanonicalWindowManagerPolicy
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using Tools = BasicWindowManagerTools<CanonicalSessionInfo, CanonicalSurfaceInfo>;
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using CanonicalSessionInfoMap = typename SessionTo<CanonicalSessionInfo>::type;
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explicit CanonicalWindowManagerPolicy(
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std::shared_ptr<shell::DisplayLayout> const& display_layout);
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void click(geometry::Point cursor);
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void handle_session_info_updated(CanonicalSessionInfoMap& session_info, geometry::Rectangles const& displays);
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void handle_displays_updated(CanonicalSessionInfoMap& session_info, geometry::Rectangles const& displays);
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void resize(geometry::Point cursor);
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auto handle_place_new_surface(
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std::shared_ptr<scene::Session> const& session,
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scene::SurfaceCreationParameters const& request_parameters)
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-> scene::SurfaceCreationParameters;
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void handle_new_surface(std::shared_ptr<scene::Session> const& session, std::shared_ptr<scene::Surface> const& surface);
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void handle_modify_surface(
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std::shared_ptr<scene::Session> const& session,
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std::shared_ptr<scene::Surface> const& surface,
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SurfaceSpecification const& modifications);
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void handle_delete_surface(std::shared_ptr<scene::Session> const& session, std::weak_ptr<scene::Surface> const& surface);
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int handle_set_state(std::shared_ptr<scene::Surface> const& surface, MirSurfaceState value);
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void drag(geometry::Point cursor);
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bool handle_keyboard_event(MirKeyboardEvent const* event);
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bool handle_touch_event(MirTouchEvent const* event);
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bool handle_pointer_event(MirPointerEvent const* event);
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std::vector<std::shared_ptr<scene::Surface>> generate_decorations_for(
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std::shared_ptr<scene::Session> const& session, std::shared_ptr<scene::Surface> const& surface);
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static const int modifier_mask =
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mir_input_event_modifier_alt |
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mir_input_event_modifier_shift |
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mir_input_event_modifier_sym |
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mir_input_event_modifier_ctrl |
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mir_input_event_modifier_meta;
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void toggle(MirSurfaceState state);
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// "Mir and Unity: Surfaces, input, and displays (v0.3)" talks about active
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// *window*,but Mir really only understands surfaces
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void select_active_surface(std::shared_ptr<scene::Surface> const& surface);
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auto active_surface() const -> std::shared_ptr<scene::Surface>;
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bool resize(std::shared_ptr<scene::Surface> const& surface, geometry::Point cursor, geometry::Point old_cursor, geometry::Rectangle bounds);
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bool drag(std::shared_ptr<scene::Surface> surface, geometry::Point to, geometry::Point from, geometry::Rectangle bounds);
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void move_tree(std::shared_ptr<scene::Surface> const& root, geometry::Displacement movement) const;
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void raise_tree(std::shared_ptr<scene::Surface> const& root) const;
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bool constrained_resize(
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std::shared_ptr<scene::Surface> const& surface,
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geometry::Point const& requested_pos,
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geometry::Size const& requested_size,
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const bool left_resize,
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const bool top_resize,
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geometry::Rectangle const& bounds);
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std::shared_ptr<DisplayLayout> const display_layout;
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geometry::Rectangle display_area;
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geometry::Point old_cursor{};
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std::weak_ptr<scene::Surface> active_surface_;
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using CanonicalWindowManager = BasicWindowManager<CanonicalWindowManagerPolicy, CanonicalSessionInfo, CanonicalSurfaceInfo>;
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#endif /* MIR_SHELL_CANONICAL_WINDOW_MANAGER_H_ */
added
removed
src/server/shell/canonical_window_manager.h
