Mercurial > hg > orthanc-stone
annotate Framework/Widgets/TestWorldSceneWidget.cpp @ 333:08683537a227 am-2
possibility to turn off default mouse events in WorldSceneWidget
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 17 Oct 2018 19:42:56 +0200 |
parents | 8716176ff7f0 |
children | 885f0a5eaa49 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
47 | 8 * modify it under the terms of the GNU Affero General Public License |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
0 | 11 * |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 * Affero General Public License for more details. | |
327 | 16 * |
47 | 17 * You should have received a copy of the GNU Affero General Public License |
0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 **/ | |
20 | |
21 | |
22 #include "TestWorldSceneWidget.h" | |
23 | |
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24 #include <math.h> |
0 | 25 #include <stdio.h> |
26 | |
27 namespace OrthancStone | |
28 { | |
29 namespace Samples | |
30 { | |
31 class TestWorldSceneWidget::Interactor : public IWorldSceneInteractor | |
32 { | |
33 public: | |
34 virtual IWorldSceneMouseTracker* CreateMouseTracker(WorldSceneWidget& widget, | |
35 const ViewportGeometry& view, | |
36 MouseButton button, | |
281 | 37 KeyboardModifiers modifiers, |
0 | 38 double x, |
39 double y, | |
40 IStatusBar* statusBar) | |
41 { | |
42 if (statusBar) | |
43 { | |
44 char buf[64]; | |
45 sprintf(buf, "X = %0.2f, Y = %0.2f", x, y); | |
46 statusBar->SetMessage(buf); | |
47 } | |
48 | |
49 return NULL; | |
50 } | |
51 | |
52 virtual void MouseOver(CairoContext& context, | |
53 WorldSceneWidget& widget, | |
54 const ViewportGeometry& view, | |
55 double x, | |
56 double y, | |
57 IStatusBar* statusBar) | |
58 { | |
59 double S = 0.5; | |
60 | |
61 if (fabs(x) <= S && | |
62 fabs(y) <= S) | |
63 { | |
64 cairo_t* cr = context.GetObject(); | |
65 cairo_set_source_rgb(cr, 1, 0, 0); | |
66 cairo_rectangle(cr, -S, -S , 2.0 * S, 2.0 * S); | |
67 cairo_set_line_width(cr, 1.0 / view.GetZoom()); | |
68 cairo_stroke(cr); | |
69 } | |
70 } | |
71 | |
72 virtual void MouseWheel(WorldSceneWidget& widget, | |
73 MouseWheelDirection direction, | |
74 KeyboardModifiers modifiers, | |
75 IStatusBar* statusBar) | |
76 { | |
77 if (statusBar) | |
78 { | |
79 statusBar->SetMessage(direction == MouseWheelDirection_Down ? "Wheel down" : "Wheel up"); | |
80 } | |
81 } | |
82 | |
83 virtual void KeyPressed(WorldSceneWidget& widget, | |
327 | 84 KeyboardKeys key, |
85 char keyChar, | |
0 | 86 KeyboardModifiers modifiers, |
87 IStatusBar* statusBar) | |
88 { | |
89 if (statusBar) | |
90 { | |
327 | 91 statusBar->SetMessage("Key pressed: \"" + std::string(1, keyChar) + "\""); |
0 | 92 } |
93 } | |
94 }; | |
95 | |
96 | |
97 bool TestWorldSceneWidget::RenderScene(CairoContext& context, | |
327 | 98 const ViewportGeometry& view) |
0 | 99 { |
100 cairo_t* cr = context.GetObject(); | |
101 | |
102 // Clear background | |
103 cairo_set_source_rgb(cr, 0, 0, 0); | |
104 cairo_paint(cr); | |
105 | |
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106 float color = static_cast<float>(count_ % 16) / 15.0f; |
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107 cairo_set_source_rgb(cr, 0, 1.0f - color, color); |
0 | 108 cairo_rectangle(cr, -10, -.5, 20, 1); |
109 cairo_fill(cr); | |
110 | |
111 return true; | |
112 } | |
113 | |
114 | |
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115 TestWorldSceneWidget::TestWorldSceneWidget(const std::string& name, bool animate) : |
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116 WorldSceneWidget(name), |
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117 interactor_(new Interactor), |
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118 animate_(animate), |
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119 count_(0) |
0 | 120 { |
121 SetInteractor(*interactor_); | |
122 } | |
123 | |
124 | |
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125 Extent2D TestWorldSceneWidget::GetSceneExtent() |
0 | 126 { |
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127 return Extent2D(-10, -.5, 10, .5); |
0 | 128 } |
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129 |
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130 |
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131 void TestWorldSceneWidget::UpdateContent() |
0 | 132 { |
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133 if (animate_) |
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134 { |
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135 count_++; |
278 | 136 NotifyContentChanged(); |
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137 } |
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138 else |
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139 { |
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140 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
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141 } |
0 | 142 } |
143 } | |
144 } |