| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WINDOW_EVENT_FILTER_H_ |
| #define UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WINDOW_EVENT_FILTER_H_ |
| |
| #include <X11/Xlib.h> |
| |
| #include "base/compiler_specific.h" |
| #include "base/message_loop/message_loop.h" |
| #include "ui/events/event_handler.h" |
| #include "ui/gfx/x/x11_atom_cache.h" |
| #include "ui/gfx/x/x11_types.h" |
| #include "ui/views/views_export.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace gfx { |
| class Point; |
| } |
| |
| namespace views { |
| class DesktopWindowTreeHost; |
| class NativeWidgetAura; |
| |
| // An EventFilter that sets properties on X11 windows. |
| class VIEWS_EXPORT X11WindowEventFilter : public ui::EventHandler { |
| public: |
| explicit X11WindowEventFilter(DesktopWindowTreeHost* window_tree_host); |
| ~X11WindowEventFilter() override; |
| |
| // Overridden from ui::EventHandler: |
| void OnMouseEvent(ui::MouseEvent* event) override; |
| |
| private: |
| // Called when the user clicked the caption area. |
| void OnClickedCaption(ui::MouseEvent* event, |
| int previous_click_component); |
| |
| // Called when the user clicked the maximize button. |
| void OnClickedMaximizeButton(ui::MouseEvent* event); |
| |
| void ToggleMaximizedState(); |
| |
| // Dispatches a _NET_WM_MOVERESIZE message to the window manager to tell it |
| // to act as if a border or titlebar drag occurred. |
| bool DispatchHostWindowDragMovement(int hittest, |
| const gfx::Point& screen_location); |
| |
| // The display and the native X window hosting the root window. |
| XDisplay* xdisplay_; |
| ::Window xwindow_; |
| |
| // The native root window. |
| ::Window x_root_window_; |
| |
| ui::X11AtomCache atom_cache_; |
| |
| DesktopWindowTreeHost* window_tree_host_; |
| |
| // The non-client component for the target of a MouseEvent. Mouse events can |
| // be destructive to the window tree, which can cause the component of a |
| // ui::EF_IS_DOUBLE_CLICK event to no longer be the same as that of the |
| // initial click. Acting on a double click should only occur for matching |
| // components. |
| int click_component_; |
| |
| DISALLOW_COPY_AND_ASSIGN(X11WindowEventFilter); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_WIDGET_DESKTOP_AURA_X11_WINDOW_EVENT_FILTER_H_ |