1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation ([email protected])
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6 | **
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7 | ** This file is part of the demonstration applications of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL$
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10 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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15 | **
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16 | ** GNU Lesser General Public License Usage
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17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 | ** General Public License version 2.1 as published by the Free Software
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19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 | ** packaging of this file. Please review the following information to
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21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 | **
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24 | ** In addition, as a special exception, Nokia gives you certain additional
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25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this 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 have questions regarding the use of this file, please contact
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37 | ** Nokia at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #include "textbutton.h"
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43 | #include "demoitemanimation.h"
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44 | #include "demotextitem.h"
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45 | #include "colors.h"
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46 | #include "menumanager.h"
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47 |
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48 | #define BUTTON_WIDTH 180
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49 | #define BUTTON_HEIGHT 19
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50 |
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51 | class ButtonBackground : public DemoItem
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52 | {
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53 | public:
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54 | TextButton::BUTTONTYPE type;
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55 | bool highlighted;
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56 | bool pressed;
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57 | QSize logicalSize;
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58 |
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59 | ButtonBackground(TextButton::BUTTONTYPE type, bool highlighted, bool pressed, QSize logicalSize,
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60 | QGraphicsScene *scene, QGraphicsItem *parent) : DemoItem(scene, parent)
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61 | {
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62 | this->type = type;
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63 | this->highlighted = highlighted;
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64 | this->pressed = pressed;
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65 | this->logicalSize = logicalSize;
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66 | useSharedImage(QString(__FILE__) + static_cast<int>(type) + highlighted + pressed);
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67 | }
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68 |
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69 | protected:
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70 | QImage *createImage(const QMatrix &matrix) const
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71 | {
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72 | if (type == TextButton::SIDEBAR || type == TextButton::PANEL)
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73 | return createRoundButtonBackground(matrix);
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74 | else
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75 | return createArrowBackground(matrix);
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76 | }
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77 |
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78 | QImage *createRoundButtonBackground(const QMatrix &matrix) const
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79 | {
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80 | QRect scaledRect;
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81 | scaledRect = matrix.mapRect(QRect(0, 0, this->logicalSize.width(), this->logicalSize.height()));
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82 |
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83 | QImage *image = new QImage(scaledRect.width(), scaledRect.height(), QImage::Format_ARGB32_Premultiplied);
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84 | image->fill(QColor(0, 0, 0, 0).rgba());
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85 | QPainter painter(image);
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86 | painter.setRenderHint(QPainter::SmoothPixmapTransform);
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87 | painter.setRenderHint(QPainter::Antialiasing);
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88 | painter.setPen(Qt::NoPen);
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89 |
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90 | if (Colors::useEightBitPalette){
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91 | painter.setPen(QColor(120, 120, 120));
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92 | if (this->pressed)
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93 | painter.setBrush(QColor(60, 60, 60));
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94 | else if (this->highlighted)
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95 | painter.setBrush(QColor(100, 100, 100));
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96 | else
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97 | painter.setBrush(QColor(80, 80, 80));
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98 | }
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99 | else {
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100 | QLinearGradient outlinebrush(0, 0, 0, scaledRect.height());
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101 | QLinearGradient brush(0, 0, 0, scaledRect.height());
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102 |
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103 | brush.setSpread(QLinearGradient::PadSpread);
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104 | QColor highlight(255, 255, 255, 70);
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105 | QColor shadow(0, 0, 0, 70);
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106 | QColor sunken(220, 220, 220, 30);
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107 | QColor normal1(255, 255, 245, 60);
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108 | QColor normal2(255, 255, 235, 10);
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109 |
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110 | if (this->type == TextButton::PANEL){
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111 | normal1 = QColor(200, 170, 160, 50);
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112 | normal2 = QColor(50, 10, 0, 50);
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113 | }
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114 |
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115 | if (pressed) {
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116 | outlinebrush.setColorAt(0.0f, shadow);
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117 | outlinebrush.setColorAt(1.0f, highlight);
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118 | brush.setColorAt(0.0f, sunken);
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119 | painter.setPen(Qt::NoPen);
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120 | } else {
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121 | outlinebrush.setColorAt(1.0f, shadow);
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122 | outlinebrush.setColorAt(0.0f, highlight);
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123 | brush.setColorAt(0.0f, normal1);
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124 | if (!this->highlighted)
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125 | brush.setColorAt(1.0f, normal2);
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126 | painter.setPen(QPen(outlinebrush, 1));
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127 | }
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128 | painter.setBrush(brush);
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129 | }
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130 |
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131 | if (this->type == TextButton::PANEL)
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132 | painter.drawRect(0, 0, scaledRect.width(), scaledRect.height());
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133 | else
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134 | painter.drawRoundedRect(0, 0, scaledRect.width(), scaledRect.height(), 10, 90, Qt::RelativeSize);
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135 | return image;
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136 | }
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137 |
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138 | QImage *createArrowBackground(const QMatrix &matrix) const
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139 | {
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140 | QRect scaledRect;
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141 | scaledRect = matrix.mapRect(QRect(0, 0, this->logicalSize.width(), this->logicalSize.height()));
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142 |
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143 | QImage *image = new QImage(scaledRect.width(), scaledRect.height(), QImage::Format_ARGB32_Premultiplied);
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144 | image->fill(QColor(0, 0, 0, 0).rgba());
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145 | QPainter painter(image);
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146 | painter.setRenderHint(QPainter::SmoothPixmapTransform);
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147 | painter.setRenderHint(QPainter::Antialiasing);
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148 | painter.setPen(Qt::NoPen);
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149 |
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150 | if (Colors::useEightBitPalette){
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151 | painter.setPen(QColor(120, 120, 120));
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152 | if (this->pressed)
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153 | painter.setBrush(QColor(60, 60, 60));
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154 | else if (this->highlighted)
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155 | painter.setBrush(QColor(100, 100, 100));
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156 | else
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157 | painter.setBrush(QColor(80, 80, 80));
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158 | }
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159 | else {
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160 | QLinearGradient outlinebrush(0, 0, 0, scaledRect.height());
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161 | QLinearGradient brush(0, 0, 0, scaledRect.height());
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162 |
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163 | brush.setSpread(QLinearGradient::PadSpread);
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164 | QColor highlight(255, 255, 255, 70);
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165 | QColor shadow(0, 0, 0, 70);
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166 | QColor sunken(220, 220, 220, 30);
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167 | QColor normal1 = QColor(200, 170, 160, 50);
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168 | QColor normal2 = QColor(50, 10, 0, 50);
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169 |
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170 | if (pressed) {
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171 | outlinebrush.setColorAt(0.0f, shadow);
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172 | outlinebrush.setColorAt(1.0f, highlight);
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173 | brush.setColorAt(0.0f, sunken);
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174 | painter.setPen(Qt::NoPen);
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175 | } else {
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176 | outlinebrush.setColorAt(1.0f, shadow);
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177 | outlinebrush.setColorAt(0.0f, highlight);
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178 | brush.setColorAt(0.0f, normal1);
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179 | if (!this->highlighted)
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180 | brush.setColorAt(1.0f, normal2);
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181 | painter.setPen(QPen(outlinebrush, 1));
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182 | }
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183 | painter.setBrush(brush);
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184 | }
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185 |
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186 | painter.drawRect(0, 0, scaledRect.width(), scaledRect.height());
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187 |
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188 | float xOff = scaledRect.width() / 2;
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189 | float yOff = scaledRect.height() / 2;
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190 | float sizex = 3.0f * matrix.m11();
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191 | float sizey = 1.5f * matrix.m22();
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192 | if (this->type == TextButton::UP)
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193 | sizey *= -1;
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194 | QPainterPath path;
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195 | path.moveTo(xOff, yOff + (5 * sizey));
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196 | path.lineTo(xOff - (4 * sizex), yOff - (3 * sizey));
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197 | path.lineTo(xOff + (4 * sizex), yOff - (3 * sizey));
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198 | path.lineTo(xOff, yOff + (5 * sizey));
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199 | painter.drawPath(path);
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200 |
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201 | return image;
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202 | }
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203 |
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204 | };
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205 |
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206 | TextButton::TextButton(const QString &text, ALIGNMENT align, int userCode,
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207 | QGraphicsScene *scene, QGraphicsItem *parent, BUTTONTYPE type)
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208 | : DemoItem(scene, parent)
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209 | {
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210 | this->menuString = text;
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211 | this->buttonLabel = text;
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212 | this->alignment = align;
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213 | this->buttonType = type;
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214 | this->userCode = userCode;
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215 | this->bgOn = 0;
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216 | this->bgOff = 0;
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217 | this->bgHighlight = 0;
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218 | this->bgDisabled = 0;
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219 | this->state = OFF;
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220 |
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221 | this->setAcceptsHoverEvents(true);
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222 | this->setCursor(Qt::PointingHandCursor);
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223 |
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224 | // Calculate button size:
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225 | const int w = 180;
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226 | const int h = 19;
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227 | if (type == SIDEBAR || type == PANEL)
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228 | this->logicalSize = QSize(w, h);
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229 | else
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230 | this->logicalSize = QSize(int((w / 2.0f) - 5), int(h * 1.5f));
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231 | }
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232 |
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233 | void TextButton::setMenuString(const QString &menu)
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234 | {
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235 | this->menuString = menu;
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236 | }
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237 |
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238 | void TextButton::prepare()
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