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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the examples of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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41 module norwegianwoodstyle;
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42
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43
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44 import qt.gui.QMotifStyle;
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45 import qt.gui.QPalette;
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46 import qt.gui.QPainterPath;
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47 import qt.gui.QPushButton;
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48 import qt.gui.QComboBox;
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49
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50
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51 class NorwegianWoodStyle : public QMotifStyle
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52 {
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53 public:
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54
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55 this() {}
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56
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57 void polish(QPalette palette)
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58 {
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59 auto brown = new QColor(212, 140, 95);
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60 auto beige = new QColor(236, 182, 120);
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61 auto slightlyOpaqueBlack = new QColor(0, 0, 0, 63);
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62
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63 auto backgroundImage = new QPixmap(":/images/woodbackground.png");
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64 auto buttonImage = new QPixmap(":/images/woodbutton.png");
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65 QPixmap midImage = buttonImage;
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66
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67 auto painter = new QPainter;
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68 painter.begin(midImage);
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69 painter.setPen(Qt.NoPen);
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70 painter.fillRect(midImage.rect(), slightlyOpaqueBlack);
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71 painter.end();
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72
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73 palette = new QPalette(brown);
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74
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75 palette.setBrush(QPalette.BrightText, new QBrush(QColor.White));
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76 palette.setBrush(QPalette.Base, new QBrush(beige));
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77 palette.setBrush(QPalette.Highlight, new QBrush(QColor.DarkGreen));
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78 setTexture(palette, QPalette.Button, buttonImage);
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79 setTexture(palette, QPalette.Mid, midImage);
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80 setTexture(palette, QPalette.Window, backgroundImage);
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81
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82 QBrush brush = palette.brush(QPalette.Window); //.background();
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83 brush.setColor(brush.color().darker());
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84
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85 palette.setBrush(QPalette.Disabled, QPalette.WindowText, brush);
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86 palette.setBrush(QPalette.Disabled, QPalette.Text, brush);
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87 palette.setBrush(QPalette.Disabled, QPalette.ButtonText, brush);
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88 palette.setBrush(QPalette.Disabled, QPalette.Base, brush);
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89 palette.setBrush(QPalette.Disabled, QPalette.Button, brush);
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90 palette.setBrush(QPalette.Disabled, QPalette.Mid, brush);
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91 }
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92
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93 void polish(QWidget widget)
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94 {
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95 if (cast(QPushButton) widget || cast(QComboBox) widget)
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96 widget.setAttribute(Qt.WA_Hover, true);
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97 }
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98
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99 void unpolish(QWidget widget)
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100 {
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101 if (cast(QPushButton) widget || cast(QComboBox) widget)
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102 widget.setAttribute(Qt.WA_Hover, false);
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103 }
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104
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105 int pixelMetric(PixelMetric metric, QStyleOption option, QWidget widget)
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106 {
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107 switch (metric) {
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108 case PM_ComboBoxFrameWidth:
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109 return 8;
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110 case PM_ScrollBarExtent:
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111 return QMotifStyle.pixelMetric(metric, option, widget) + 4;
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112 default:
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113 return QMotifStyle.pixelMetric(metric, option, widget);
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114 }
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115 }
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116
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117 int styleHint(StyleHint hint, QStyleOption option, QWidget widget, QStyleHintReturn returnData)
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118 {
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119 switch (hint) {
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120 case SH_DitherDisabledText:
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121 return cast(int) false;
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122 case SH_EtchDisabledText:
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123 return cast(int) true;
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124 default:
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125 return QMotifStyle.styleHint(hint, option, widget, returnData);
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126 }
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127 }
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128
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129 void drawPrimitive(PrimitiveElement element, QStyleOption option, QPainter painter, QWidget widget)
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130 {
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131 switch (element) {
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132 case PE_PanelButtonCommand:
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133 {
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134 int delta = (option.state & State_MouseOver) ? 64 : 0;
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135 auto slightlyOpaqueBlack = new QColor(0, 0, 0, 63);
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136 auto semiTransparentWhite = new QColor(255, 255, 255, 127 + delta);
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137 auto semiTransparentBlack = new QColor(0, 0, 0, 127 - delta);
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138
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139 int x, y, width, height;
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140 option.rect.getRect(&x, &y, &width, &height);
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141
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142 QPainterPath roundRect = roundRectPath(option.rect);
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143 int radius = qMin(width, height) / 2;
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144
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145 QBrush brush;
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146 bool darker;
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147
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148 QStyleOptionButton buttonOption = cast(QStyleOptionButton) option;
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149 if (buttonOption && (buttonOption.features & QStyleOptionButton.Flat)) {
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150 brush = option.palette.brush(QPalette.Window); //background();
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151 darker = cast(bool) (option.state & (State_Sunken | State_On));
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152 } else {
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153 if (option.state & (State_Sunken | State_On)) {
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154 brush = option.palette.mid();
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155 darker = !(option.state & State_Sunken);
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156 } else {
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157 brush = option.palette.button();
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158 darker = false;
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159 }
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160 }
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161
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162 painter.save();
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163 painter.setRenderHint(QPainter.Antialiasing, true);
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164 painter.fillPath(roundRect, brush);
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165 if (darker)
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166 painter.fillPath(roundRect, new QBrush(slightlyOpaqueBlack));
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167
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168 int penWidth;
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169
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170 if (radius < 10)
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171 penWidth = 3;
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172 else if (radius < 20)
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173 penWidth = 5;
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174 else
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175 penWidth = 7;
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176
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177 auto topPen = new QPen(semiTransparentWhite);
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178 auto bottomPen = new QPen(semiTransparentBlack);
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179
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180 topPen.setWidth(penWidth);
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181 bottomPen.setWidth(penWidth);
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182
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183 if (option.state & (State_Sunken | State_On))
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184 qSwap(topPen, bottomPen);
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185
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186 int x1 = x;
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187 int x2 = x + radius;
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188 int x3 = x + width - radius;
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189 int x4 = x + width;
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190
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191 if (option.direction == Qt.RightToLeft) {
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192 qSwap(x1, x4);
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193 qSwap(x2, x3);
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194 }
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195
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196 auto topHalf = new QPolygon();
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197 topHalf.append(QPoint(x1, y));
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198 topHalf.append(QPoint(x4, y));
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199 topHalf.append(QPoint(x3, y + radius));
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200 topHalf.append(QPoint(x2, y + height - radius));
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201 topHalf.append(QPoint(x1, y + height));
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202
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203 painter.setClipPath(roundRect);
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204 painter.setClipRegion(new QRegion(topHalf), Qt.IntersectClip);
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205 painter.setPen(topPen);
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206 painter.drawPath(roundRect);
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207
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208 QPolygon bottomHalf = topHalf;
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209 bottomHalf.replace(0, QPoint(x4, y + height));
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210
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211 painter.setClipPath(roundRect);
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212 painter.setClipRegion(new QRegion(bottomHalf), Qt.IntersectClip);
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213 painter.setPen(bottomPen);
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214 painter.drawPath(roundRect);
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215
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216 painter.setPen(option.palette.brush(QPalette.WindowText).color());
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217 painter.setClipping(false);
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218 painter.drawPath(roundRect);
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219
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220 painter.restore();
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221 }
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222 break;
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223 default:
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224 QMotifStyle.drawPrimitive(element, option, painter, widget);
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225 }
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226 }
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227
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228 void drawControl(ControlElement element, QStyleOption option, QPainter painter, QWidget widget)
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229 {
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230 switch (element) {
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231 case CE_PushButtonLabel:
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232 {
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233 QStyleOptionButton myButtonOption;
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234 QStyleOptionButton buttonOption = cast(QStyleOptionButton) option;
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235 if (buttonOption) {
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236 myButtonOption = buttonOption;
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237 if (myButtonOption.palette.currentColorGroup() != QPalette.Disabled) {
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238 if (myButtonOption.state & (State_Sunken | State_On)) {
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239 myButtonOption.palette.setBrush(QPalette.ButtonText,
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240 myButtonOption.palette.brightText());
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241 }
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242 }
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243 }
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244 QMotifStyle.drawControl(element, myButtonOption, painter, widget);
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245 }
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246 break;
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247 default:
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248 QMotifStyle.drawControl(element, option, painter, widget);
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249 }
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250 }
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251
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252 private:
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253
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254 static void setTexture(QPalette palette, QPalette.ColorRole role, QPixmap pixmap)
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255 {
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256 for (int i = 0; i < QPalette.NColorGroups; ++i) {
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257 QColor color = palette.brush(cast(QPalette.ColorGroup) i, role).color();
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258 palette.setBrush(cast(QPalette.ColorGroup) i, role, new QBrush(color, pixmap));
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259 }
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260 }
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261
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262 static QPainterPath roundRectPath(QRect rect)
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263 {
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264 int radius = qMin(rect.width(), rect.height()) / 2;
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265 int diam = 2 * radius;
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266
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267 int x1, y1, x2, y2;
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268 rect.getCoords(&x1, &y1, &x2, &y2);
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269
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270 auto path = new QPainterPath;
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271 path.moveTo(x2, y1 + radius);
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272 path.arcTo(QRectF(x2 - diam, y1, diam, diam), 0.0, +90.0);
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273 path.lineTo(x1 + radius, y1);
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274 path.arcTo(QRectF(x1, y1, diam, diam), 90.0, +90.0);
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275 path.lineTo(x1, y2 - radius);
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276 path.arcTo(QRectF(x1, y2 - diam, diam, diam), 180.0, +90.0);
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277 path.lineTo(x1 + radius, y2);
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278 path.arcTo(QRectF(x2 - diam, y2 - diam, diam, diam), 270.0, +90.0);
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279 path.closeSubpath();
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280 return path;
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281 }
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282 }
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