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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "ui/views/controls/resize_area.h" | 5 #include "ui/views/controls/resize_area.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "ui/accessibility/ax_node_data.h" | 8 #include "ui/accessibility/ax_node_data.h" |
9 #include "ui/base/cursor/cursor.h" | 9 #include "ui/base/cursor/cursor.h" |
10 #include "ui/views/controls/resize_area_delegate.h" | 10 #include "ui/views/controls/resize_area_delegate.h" |
11 #include "ui/views/native_cursor.h" | 11 #include "ui/views/native_cursor.h" |
12 | 12 |
13 namespace views { | 13 namespace views { |
14 | 14 |
15 const char ResizeArea::kViewClassName[] = "ResizeArea"; | 15 const char ResizeArea::kViewClassName[] = "ResizeArea"; |
16 | 16 |
| 17 //////////////////////////////////////////////////////////////////////////////// |
| 18 // ResizeArea |
| 19 |
17 ResizeArea::ResizeArea(ResizeAreaDelegate* delegate) | 20 ResizeArea::ResizeArea(ResizeAreaDelegate* delegate) |
18 : delegate_(delegate), | 21 : delegate_(delegate), |
19 initial_position_(0) { | 22 initial_position_(0) { |
20 } | 23 } |
21 | 24 |
22 ResizeArea::~ResizeArea() { | 25 ResizeArea::~ResizeArea() { |
23 } | 26 } |
24 | 27 |
25 const char* ResizeArea::GetClassName() const { | 28 const char* ResizeArea::GetClassName() const { |
26 return kViewClassName; | 29 return kViewClassName; |
27 } | 30 } |
28 | 31 |
29 gfx::NativeCursor ResizeArea::GetCursor(const ui::MouseEvent& event) { | 32 gfx::NativeCursor ResizeArea::GetCursor(const ui::MouseEvent& event) { |
30 return enabled() ? GetNativeEastWestResizeCursor() | 33 return enabled() ? GetNativeEastWestResizeCursor() |
31 : gfx::kNullCursor; | 34 : gfx::kNullCursor; |
32 } | 35 } |
33 | 36 |
34 void ResizeArea::OnGestureEvent(ui::GestureEvent* event) { | |
35 if (event->type() == ui::ET_GESTURE_TAP_DOWN) { | |
36 SetInitialPosition(event->x()); | |
37 event->SetHandled(); | |
38 } else if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN || | |
39 event->type() == ui::ET_GESTURE_SCROLL_UPDATE) { | |
40 ReportResizeAmount(event->x(), false); | |
41 event->SetHandled(); | |
42 } else if (event->type() == ui::ET_GESTURE_END) { | |
43 ReportResizeAmount(event->x(), true); | |
44 event->SetHandled(); | |
45 } | |
46 } | |
47 | |
48 bool ResizeArea::OnMousePressed(const ui::MouseEvent& event) { | 37 bool ResizeArea::OnMousePressed(const ui::MouseEvent& event) { |
49 if (!event.IsOnlyLeftMouseButton()) | 38 if (!event.IsOnlyLeftMouseButton()) |
50 return false; | 39 return false; |
51 | 40 |
52 SetInitialPosition(event.x()); | 41 // The resize area obviously will move once you start dragging so we need to |
| 42 // convert coordinates to screen coordinates so that we don't lose our |
| 43 // bearings. |
| 44 gfx::Point point(event.x(), 0); |
| 45 View::ConvertPointToScreen(this, &point); |
| 46 initial_position_ = point.x(); |
| 47 |
53 return true; | 48 return true; |
54 } | 49 } |
55 | 50 |
56 bool ResizeArea::OnMouseDragged(const ui::MouseEvent& event) { | 51 bool ResizeArea::OnMouseDragged(const ui::MouseEvent& event) { |
57 if (!event.IsLeftMouseButton()) | 52 if (!event.IsLeftMouseButton()) |
58 return false; | 53 return false; |
59 | 54 |
60 ReportResizeAmount(event.x(), false); | 55 ReportResizeAmount(event.x(), false); |
61 return true; | 56 return true; |
62 } | 57 } |
(...skipping 11 matching lines...) Expand all Loading... |
74 } | 69 } |
75 | 70 |
76 void ResizeArea::ReportResizeAmount(int resize_amount, bool last_update) { | 71 void ResizeArea::ReportResizeAmount(int resize_amount, bool last_update) { |
77 gfx::Point point(resize_amount, 0); | 72 gfx::Point point(resize_amount, 0); |
78 View::ConvertPointToScreen(this, &point); | 73 View::ConvertPointToScreen(this, &point); |
79 resize_amount = point.x() - initial_position_; | 74 resize_amount = point.x() - initial_position_; |
80 delegate_->OnResize(base::i18n::IsRTL() ? -resize_amount : resize_amount, | 75 delegate_->OnResize(base::i18n::IsRTL() ? -resize_amount : resize_amount, |
81 last_update); | 76 last_update); |
82 } | 77 } |
83 | 78 |
84 void ResizeArea::SetInitialPosition(int event_x) { | |
85 gfx::Point point(event_x, 0); | |
86 View::ConvertPointToScreen(this, &point); | |
87 initial_position_ = point.x(); | |
88 } | |
89 | |
90 } // namespace views | 79 } // namespace views |
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