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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 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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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 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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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 /**************************************************************************** |
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43 ** |
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44 ** Copyright (c) 2007-2008, Apple, Inc. |
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45 ** |
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46 ** All rights reserved. |
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47 ** |
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48 ** Redistribution and use in source and binary forms, with or without |
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49 ** modification, are permitted provided that the following conditions are met: |
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50 ** |
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51 ** * Redistributions of source code must retain the above copyright notice, |
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52 ** this list of conditions and the following disclaimer. |
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53 ** |
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54 ** * Redistributions in binary form must reproduce the above copyright notice, |
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55 ** this list of conditions and the following disclaimer in the documentation |
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56 ** and/or other materials provided with the distribution. |
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57 ** |
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58 ** * Neither the name of Apple, Inc. nor the names of its contributors |
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59 ** may be used to endorse or promote products derived from this software |
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60 ** without specific prior written permission. |
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61 ** |
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62 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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63 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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64 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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65 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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66 ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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67 ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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68 ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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69 ** PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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70 ** LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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71 ** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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72 ** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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73 ** |
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74 ****************************************************************************/ |
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75 |
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76 #import <Cocoa/Cocoa.h> |
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77 |
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78 #include "qapplication.h" |
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79 #include "qdesktopwidget.h" |
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80 #include <private/qt_mac_p.h> |
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81 #include "qwidget_p.h" |
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82 #include <private/qt_cocoa_helpers_mac_p.h> |
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83 #include <private/qdesktopwidget_mac_p.h> |
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84 |
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85 QT_BEGIN_NAMESPACE |
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86 |
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87 QT_USE_NAMESPACE |
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88 |
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89 /***************************************************************************** |
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90 Externals |
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91 *****************************************************************************/ |
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92 |
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93 /***************************************************************************** |
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94 QDesktopWidget member functions |
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95 *****************************************************************************/ |
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96 |
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97 Q_GLOBAL_STATIC(QDesktopWidgetImplementation, qdesktopWidgetImplementation) |
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98 |
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99 QDesktopWidgetImplementation::QDesktopWidgetImplementation() |
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100 : appScreen(0) |
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101 { |
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102 onResize(); |
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103 } |
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104 |
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105 QDesktopWidgetImplementation::~QDesktopWidgetImplementation() |
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106 { |
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107 } |
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108 |
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109 QDesktopWidgetImplementation *QDesktopWidgetImplementation::instance() |
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110 { |
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111 return qdesktopWidgetImplementation(); |
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112 } |
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113 |
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114 QRect QDesktopWidgetImplementation::availableRect(int screenIndex) const |
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115 { |
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116 if (screenIndex < 0 || screenIndex >= screenCount) |
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117 screenIndex = appScreen; |
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118 |
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119 return availableRects[screenIndex].toRect(); |
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120 } |
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121 |
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122 QRect QDesktopWidgetImplementation::screenRect(int screenIndex) const |
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123 { |
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124 if (screenIndex < 0 || screenIndex >= screenCount) |
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125 screenIndex = appScreen; |
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126 |
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127 return screenRects[screenIndex].toRect(); |
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128 } |
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129 |
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130 void QDesktopWidgetImplementation::onResize() |
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131 { |
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132 QMacCocoaAutoReleasePool pool; |
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133 NSArray *displays = [NSScreen screens]; |
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134 screenCount = [displays count]; |
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135 |
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136 screenRects.clear(); |
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137 availableRects.clear(); |
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138 NSRect primaryRect = [[displays objectAtIndex:0] frame]; |
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139 for (int i = 0; i<screenCount; i++) { |
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140 NSRect r = [[displays objectAtIndex:i] frame]; |
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141 const int flippedY = - r.origin.y + // account for position offset and |
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142 primaryRect.size.height - r.size.height; // height difference. |
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143 screenRects.append(QRectF(r.origin.x, flippedY, |
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144 r.size.width, r.size.height)); |
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145 r = [[displays objectAtIndex:i] visibleFrame]; |
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146 availableRects.append(QRectF(r.origin.x, flippedY, |
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147 r.size.width, r.size.height)); |
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148 } |
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149 } |
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150 |
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151 |
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152 |
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153 QDesktopWidget::QDesktopWidget() |
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154 : QWidget(0, Qt::Desktop) |
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155 { |
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156 setObjectName(QLatin1String("desktop")); |
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157 setAttribute(Qt::WA_WState_Visible); |
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158 } |
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159 |
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160 QDesktopWidget::~QDesktopWidget() |
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161 { |
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162 } |
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163 |
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164 bool QDesktopWidget::isVirtualDesktop() const |
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165 { |
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166 return true; |
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167 } |
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168 |
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169 int QDesktopWidget::primaryScreen() const |
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170 { |
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171 return qdesktopWidgetImplementation()->appScreen; |
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172 } |
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173 |
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174 int QDesktopWidget::numScreens() const |
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175 { |
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176 return qdesktopWidgetImplementation()->screenCount; |
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177 } |
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178 |
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179 QWidget *QDesktopWidget::screen(int) |
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180 { |
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181 return this; |
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182 } |
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183 |
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184 const QRect QDesktopWidget::availableGeometry(int screen) const |
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185 { |
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186 return qdesktopWidgetImplementation()->availableRect(screen); |
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187 } |
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188 |
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189 const QRect QDesktopWidget::screenGeometry(int screen) const |
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190 { |
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191 return qdesktopWidgetImplementation()->screenRect(screen); |
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192 } |
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193 |
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194 int QDesktopWidget::screenNumber(const QWidget *widget) const |
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195 { |
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196 QDesktopWidgetImplementation *d = qdesktopWidgetImplementation(); |
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197 if (!widget) |
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198 return d->appScreen; |
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199 QRect frame = widget->frameGeometry(); |
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200 if (!widget->isWindow()) |
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201 frame.moveTopLeft(widget->mapToGlobal(QPoint(0,0))); |
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202 int maxSize = -1, maxScreen = -1; |
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203 for (int i = 0; i < d->screenCount; ++i) { |
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204 QRect rr = d->screenRect(i); |
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205 QRect sect = rr.intersected(frame); |
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206 int size = sect.width() * sect.height(); |
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207 if (size > maxSize && sect.width() > 0 && sect.height() > 0) { |
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208 maxSize = size; |
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209 maxScreen = i; |
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210 } |
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211 } |
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212 return maxScreen; |
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213 } |
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214 |
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215 int QDesktopWidget::screenNumber(const QPoint &point) const |
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216 { |
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217 QDesktopWidgetImplementation *d = qdesktopWidgetImplementation(); |
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218 int closestScreen = -1; |
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219 int shortestDistance = INT_MAX; |
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220 for (int i = 0; i < d->screenCount; ++i) { |
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221 QRect rr = d->screenRect(i); |
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222 int thisDistance = QWidgetPrivate::pointToRect(point, rr); |
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223 if (thisDistance < shortestDistance) { |
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224 shortestDistance = thisDistance; |
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225 closestScreen = i; |
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226 } |
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227 } |
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228 return closestScreen; |
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229 } |
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230 |
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231 void QDesktopWidget::resizeEvent(QResizeEvent *) |
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232 { |
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233 QDesktopWidgetImplementation *d = qdesktopWidgetImplementation(); |
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234 |
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235 const int oldScreenCount = d->screenCount; |
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236 const QVector<QRectF> oldRects(d->screenRects); |
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237 const QVector<QRectF> oldWorks(d->availableRects); |
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238 |
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239 d->onResize(); |
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240 |
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241 for (int i = 0; i < qMin(oldScreenCount, d->screenCount); ++i) { |
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242 if (oldRects.at(i) != d->screenRects.at(i)) |
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243 emit resized(i); |
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244 } |
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245 for (int i = 0; i < qMin(oldScreenCount, d->screenCount); ++i) { |
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246 if (oldWorks.at(i) != d->availableRects.at(i)) |
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247 emit workAreaResized(i); |
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248 } |
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249 |
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250 if (oldScreenCount != d->screenCount) |
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251 emit screenCountChanged(d->screenCount); |
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252 } |
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253 |
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254 QT_END_NAMESPACE |