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annotate DPF-Prymula-audioplugins/dpf/dgl/src/SubWidget.cpp @ 6:542e305f23f4

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author prymula <prymula76@outlook.com>
date Wed, 31 Jan 2024 20:40:57 +0100
parents 84e66ea83026
children
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3
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1 /*
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2 * DISTRHO Plugin Framework (DPF)
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3 * Copyright (C) 2012-2021 Filipe Coelho <falktx@falktx.com>
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4 *
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5 * Permission to use, copy, modify, and/or distribute this software for any purpose with
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6 * or without fee is hereby granted, provided that the above copyright notice and this
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7 * permission notice appear in all copies.
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8 *
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9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
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10 * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
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11 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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12 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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15 */
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16
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17 #include "SubWidgetPrivateData.hpp"
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18 #include "WidgetPrivateData.hpp"
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19 #include "../TopLevelWidget.hpp"
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20
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21 START_NAMESPACE_DGL
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22
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23 // --------------------------------------------------------------------------------------------------------------------
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24
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25 SubWidget::SubWidget(Widget* const parentWidget)
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26 : Widget(parentWidget),
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27 pData(new PrivateData(this, parentWidget)) {}
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28
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29 SubWidget::~SubWidget()
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30 {
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31 delete pData;
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32 }
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33
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34 template<typename T>
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35 bool SubWidget::contains(const T x, const T y) const noexcept
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36 {
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37 return Rectangle<double>(0, 0,
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38 static_cast<double>(getWidth()),
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39 static_cast<double>(getHeight())).contains(x, y);
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40 }
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41
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42 template<typename T>
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43 bool SubWidget::contains(const Point<T>& pos) const noexcept
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44 {
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45 return contains(pos.getX(), pos.getY());
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46 }
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47
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48 int SubWidget::getAbsoluteX() const noexcept
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49 {
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50 return pData->absolutePos.getX();
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51 }
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52
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53 int SubWidget::getAbsoluteY() const noexcept
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54 {
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55 return pData->absolutePos.getY();
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56 }
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57
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58 Point<int> SubWidget::getAbsolutePos() const noexcept
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59 {
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60 return pData->absolutePos;
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61 }
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62
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63 Rectangle<int> SubWidget::getAbsoluteArea() const noexcept
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64 {
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65 return Rectangle<int>(getAbsolutePos(), getSize().toInt());
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66 }
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67
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68 Rectangle<uint> SubWidget::getConstrainedAbsoluteArea() const noexcept
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69 {
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70 const int x = getAbsoluteX();
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71 const int y = getAbsoluteY();
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72
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73 if (x >= 0 && y >= 0)
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74 return Rectangle<uint>(x, y, getSize());
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75
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76 const int xOffset = std::min(0, x);
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77 const int yOffset = std::min(0, y);
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78 const int width = std::max(0, static_cast<int>(getWidth()) + xOffset);
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79 const int height = std::max(0, static_cast<int>(getHeight()) + yOffset);
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80
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81 return Rectangle<uint>(0, 0, static_cast<uint>(width), static_cast<uint>(height));
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82 }
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83
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84 void SubWidget::setAbsoluteX(const int x) noexcept
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85 {
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86 setAbsolutePos(Point<int>(x, getAbsoluteY()));
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87 }
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88
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89 void SubWidget::setAbsoluteY(const int y) noexcept
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90 {
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91 setAbsolutePos(Point<int>(getAbsoluteX(), y));
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92 }
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93
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94 void SubWidget::setAbsolutePos(const int x, const int y) noexcept
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95 {
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96 setAbsolutePos(Point<int>(x, y));
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97 }
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98
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99 void SubWidget::setAbsolutePos(const Point<int>& pos) noexcept
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100 {
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101 if (pData->absolutePos == pos)
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102 return;
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103
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104 PositionChangedEvent ev;
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105 ev.oldPos = pData->absolutePos;
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106 ev.pos = pos;
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107
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108 pData->absolutePos = pos;
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109 onPositionChanged(ev);
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110
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111 repaint();
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112 }
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113
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114 Point<int> SubWidget::getMargin() const noexcept
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115 {
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116 return pData->margin;
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117 }
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118
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119 void SubWidget::setMargin(const int x, const int y) noexcept
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120 {
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121 pData->margin = Point<int>(x, y);
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122 }
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123
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prymula <prymula76@outlook.com>
parents:
diff changeset
124 void SubWidget::setMargin(const Point<int>& offset) noexcept
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
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125 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
126 pData->margin = offset;
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prymula <prymula76@outlook.com>
parents:
diff changeset
127 }
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prymula <prymula76@outlook.com>
parents:
diff changeset
128
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
129 Widget* SubWidget::getParentWidget() const noexcept
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prymula <prymula76@outlook.com>
parents:
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130 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
131 return pData->parentWidget;
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prymula <prymula76@outlook.com>
parents:
diff changeset
132 }
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prymula <prymula76@outlook.com>
parents:
diff changeset
133
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
134 void SubWidget::repaint() noexcept
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prymula <prymula76@outlook.com>
parents:
diff changeset
135 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
136 if (! isVisible())
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
137 return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
138
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
139 if (TopLevelWidget* const topw = getTopLevelWidget())
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prymula <prymula76@outlook.com>
parents:
diff changeset
140 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
141 if (pData->needsFullViewportForDrawing)
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prymula <prymula76@outlook.com>
parents:
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142 // repaint is virtual and we want precisely the top-level specific implementation, not any higher level
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prymula <prymula76@outlook.com>
parents:
diff changeset
143 topw->TopLevelWidget::repaint();
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prymula <prymula76@outlook.com>
parents:
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144 else
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prymula <prymula76@outlook.com>
parents:
diff changeset
145 topw->repaint(getConstrainedAbsoluteArea());
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prymula <prymula76@outlook.com>
parents:
diff changeset
146 }
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prymula <prymula76@outlook.com>
parents:
diff changeset
147 }
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prymula <prymula76@outlook.com>
parents:
diff changeset
148
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
149 void SubWidget::toBottom()
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prymula <prymula76@outlook.com>
parents:
diff changeset
150 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
151 std::list<SubWidget*>& subwidgets(pData->parentWidget->pData->subWidgets);
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prymula <prymula76@outlook.com>
parents:
diff changeset
152
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
153 subwidgets.remove(this);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
154 subwidgets.insert(subwidgets.begin(), this);
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prymula <prymula76@outlook.com>
parents:
diff changeset
155 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
156
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
157 void SubWidget::toFront()
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
158 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
159 std::list<SubWidget*>& subwidgets(pData->parentWidget->pData->subWidgets);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
160
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
161 subwidgets.remove(this);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
162 subwidgets.push_back(this);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
163 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
164
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
165 void SubWidget::setNeedsFullViewportDrawing(const bool needsFullViewportForDrawing)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
166 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
167 pData->needsFullViewportForDrawing = needsFullViewportForDrawing;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
168 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
169
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
170 void SubWidget::setNeedsViewportScaling(const bool needsViewportScaling, const double autoScaleFactor)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
171 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
172 pData->needsViewportScaling = needsViewportScaling;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
173 pData->viewportScaleFactor = autoScaleFactor;
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prymula <prymula76@outlook.com>
parents:
diff changeset
174 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
175
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
176 void SubWidget::setSkipDrawing(const bool skipDrawing)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
177 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
178 pData->skipDrawing = skipDrawing;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
179 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
180
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
181 void SubWidget::onPositionChanged(const PositionChangedEvent&)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
182 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
183 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
184
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
185 // --------------------------------------------------------------------------------------------------------------------
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
186 // Possible template data types
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
187
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
188 template<>
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
189 bool SubWidget::contains(const Point<double>& pos) const noexcept
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
190 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
191 return contains(pos.getX(), pos.getY());
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
192 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
193
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
194 // float, int, uint, short, ushort
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
195
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
196 // --------------------------------------------------------------------------------------------------------------------
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
197
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2
prymula <prymula76@outlook.com>
parents:
diff changeset
198 END_NAMESPACE_DGL