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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "views/widget/root_view.h" | 5 #include "views/widget/root_view.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/message_loop.h" | 10 #include "base/message_loop.h" |
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75 Layout(); | 75 Layout(); |
76 } | 76 } |
77 | 77 |
78 void RootView::NotifyNativeViewHierarchyChanged(bool attached, | 78 void RootView::NotifyNativeViewHierarchyChanged(bool attached, |
79 gfx::NativeView native_view) { | 79 gfx::NativeView native_view) { |
80 PropagateNativeViewHierarchyChanged(attached, native_view, this); | 80 PropagateNativeViewHierarchyChanged(attached, native_view, this); |
81 } | 81 } |
82 | 82 |
83 // Input ----------------------------------------------------------------------- | 83 // Input ----------------------------------------------------------------------- |
84 | 84 |
85 void RootView::ProcessMouseDragCanceled() { | |
86 if (mouse_pressed_handler_) { | |
87 // Synthesize a release event. | |
88 MouseEvent release_event(ui::ET_MOUSE_RELEASED, last_mouse_event_x_, | |
89 last_mouse_event_y_, last_mouse_event_flags_); | |
90 OnMouseReleased(release_event, true); | |
91 } | |
92 } | |
93 | |
94 bool RootView::ProcessKeyEvent(const KeyEvent& event) { | 85 bool RootView::ProcessKeyEvent(const KeyEvent& event) { |
95 bool consumed = false; | 86 bool consumed = false; |
96 | 87 |
97 View* v = GetFocusManager()->GetFocusedView(); | 88 View* v = GetFocusManager()->GetFocusedView(); |
98 // Special case to handle right-click context menus triggered by the | 89 // Special case to handle right-click context menus triggered by the |
99 // keyboard. | 90 // keyboard. |
100 if (v && v->IsEnabled() && ((event.key_code() == ui::VKEY_APPS) || | 91 if (v && v->IsEnabled() && ((event.key_code() == ui::VKEY_APPS) || |
101 (event.key_code() == ui::VKEY_F10 && event.IsShiftDown()))) { | 92 (event.key_code() == ui::VKEY_F10 && event.IsShiftDown()))) { |
102 v->ShowContextMenu(v->GetKeyboardContextMenuLocation(), false); | 93 v->ShowContextMenu(v->GetKeyboardContextMenuLocation(), false); |
103 return true; | 94 return true; |
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254 SetMouseLocationAndFlags(e); | 245 SetMouseLocationAndFlags(e); |
255 | 246 |
256 gfx::Point p; | 247 gfx::Point p; |
257 ConvertPointToMouseHandler(e.location(), &p); | 248 ConvertPointToMouseHandler(e.location(), &p); |
258 MouseEvent mouse_event(e.type(), p.x(), p.y(), e.flags()); | 249 MouseEvent mouse_event(e.type(), p.x(), p.y(), e.flags()); |
259 return mouse_pressed_handler_->ProcessMouseDragged(mouse_event, &drag_info); | 250 return mouse_pressed_handler_->ProcessMouseDragged(mouse_event, &drag_info); |
260 } | 251 } |
261 return false; | 252 return false; |
262 } | 253 } |
263 | 254 |
264 void RootView::OnMouseReleased(const MouseEvent& event, bool canceled) { | 255 void RootView::OnMouseReleased(const MouseEvent& event) { |
265 MouseEvent e(event, this); | 256 MouseEvent e(event, this); |
266 UpdateCursor(e); | 257 UpdateCursor(e); |
267 | 258 |
268 if (mouse_pressed_handler_) { | 259 if (mouse_pressed_handler_) { |
269 gfx::Point p; | 260 gfx::Point p; |
270 ConvertPointToMouseHandler(e.location(), &p); | 261 ConvertPointToMouseHandler(e.location(), &p); |
271 MouseEvent mouse_released(e.type(), p.x(), p.y(), e.flags()); | 262 MouseEvent mouse_released(e.type(), p.x(), p.y(), e.flags()); |
272 // We allow the view to delete us from ProcessMouseReleased. As such, | 263 // We allow the view to delete us from ProcessMouseReleased. As such, |
273 // configure state such that we're done first, then call View. | 264 // configure state such that we're done first, then call View. |
274 View* mouse_pressed_handler = mouse_pressed_handler_; | 265 View* mouse_pressed_handler = mouse_pressed_handler_; |
275 mouse_pressed_handler_ = NULL; | 266 mouse_pressed_handler_ = NULL; |
276 explicit_mouse_handler_ = false; | 267 explicit_mouse_handler_ = false; |
277 mouse_pressed_handler->ProcessMouseReleased(mouse_released, canceled); | 268 mouse_pressed_handler->ProcessMouseReleased(mouse_released); |
278 // WARNING: we may have been deleted. | 269 // WARNING: we may have been deleted. |
279 } | 270 } |
280 } | 271 } |
272 | |
273 void RootView::OnMouseCaptureLost() { | |
274 // Synthesize a release event for UpdateCursor. | |
275 MouseEvent release_event(ui::ET_MOUSE_RELEASED, last_mouse_event_x_, | |
276 last_mouse_event_y_, last_mouse_event_flags_); | |
277 UpdateCursor(MouseEvent(release_event, this)); | |
sadrul
2011/03/19 09:15:30
The purpose of MouseEvent(event, RootView*) is to
msw
2011/03/26 00:09:50
Done.
| |
278 | |
279 if (mouse_pressed_handler_) { | |
280 // We allow the view to delete us from ProcessMouseReleased. As such, | |
281 // configure state such that we're done first, then call View. | |
282 View* mouse_pressed_handler = mouse_pressed_handler_; | |
283 mouse_pressed_handler_ = NULL; | |
284 explicit_mouse_handler_ = false; | |
285 mouse_pressed_handler->OnMouseCaptureLost(); | |
286 // WARNING: we may have been deleted. | |
287 } | |
288 } | |
281 | 289 |
282 void RootView::OnMouseMoved(const MouseEvent& event) { | 290 void RootView::OnMouseMoved(const MouseEvent& event) { |
283 MouseEvent e(event, this); | 291 MouseEvent e(event, this); |
284 View* v = GetEventHandlerForPoint(e.location()); | 292 View* v = GetEventHandlerForPoint(e.location()); |
285 // Find the first enabled view, or the existing move handler, whichever comes | 293 // Find the first enabled view, or the existing move handler, whichever comes |
286 // first. The check for the existing handler is because if a view becomes | 294 // first. The check for the existing handler is because if a view becomes |
287 // disabled while handling moves, it's wrong to suddenly send ET_MOUSE_EXITED | 295 // disabled while handling moves, it's wrong to suddenly send ET_MOUSE_EXITED |
288 // and ET_MOUSE_ENTERED events, because the mouse hasn't actually exited yet. | 296 // and ET_MOUSE_ENTERED events, because the mouse hasn't actually exited yet. |
289 while (v && !v->IsEnabled() && (v != mouse_move_handler_)) | 297 while (v && !v->IsEnabled() && (v != mouse_move_handler_)) |
290 v = v->parent(); | 298 v = v->parent(); |
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454 widget_->SetCursor(cursor); | 462 widget_->SetCursor(cursor); |
455 } | 463 } |
456 | 464 |
457 void RootView::SetMouseLocationAndFlags(const MouseEvent& event) { | 465 void RootView::SetMouseLocationAndFlags(const MouseEvent& event) { |
458 last_mouse_event_flags_ = event.flags(); | 466 last_mouse_event_flags_ = event.flags(); |
459 last_mouse_event_x_ = event.x(); | 467 last_mouse_event_x_ = event.x(); |
460 last_mouse_event_y_ = event.y(); | 468 last_mouse_event_y_ = event.y(); |
461 } | 469 } |
462 | 470 |
463 } // namespace views | 471 } // namespace views |
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