1 | /* $Id: UIMouseHandler.cpp 35509 2011-01-12 16:58:16Z vboxsync $ */
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2 | /** @file
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3 | *
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4 | * VBox frontends: Qt GUI ("VirtualBox"):
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5 | * UIMouseHandler class implementation
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6 | */
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7 |
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8 | /*
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9 | * Copyright (C) 2010 Oracle Corporation
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10 | *
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11 | * This file is part of VirtualBox Open Source Edition (OSE), as
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12 | * available from http://www.virtualbox.org. This file is free software;
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13 | * you can redistribute it and/or modify it under the terms of the GNU
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14 | * General Public License (GPL) as published by the Free Software
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15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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18 | */
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19 |
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20 | /* Global includes */
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21 | #include <QDesktopWidget>
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22 | #include <QMouseEvent>
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23 |
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24 | /* Local includes */
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25 | #include "VBoxGlobal.h"
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26 | #include "VBoxProblemReporter.h"
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27 | #include "UIKeyboardHandler.h"
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28 | #include "UIMouseHandler.h"
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29 | #include "UISession.h"
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30 | #include "UIMachineLogic.h"
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31 | #include "UIMachineWindow.h"
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32 | #include "UIMachineView.h"
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33 | #include "UIFrameBuffer.h"
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34 |
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35 | #ifdef Q_WS_X11
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36 | # include <X11/XKBlib.h>
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37 | # ifdef KeyPress
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38 | const int XFocusOut = FocusOut;
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39 | const int XFocusIn = FocusIn;
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40 | const int XKeyPress = KeyPress;
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41 | const int XKeyRelease = KeyRelease;
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42 | # undef KeyRelease
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43 | # undef KeyPress
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44 | # undef FocusOut
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45 | # undef FocusIn
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46 | # endif /* KeyPress */
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47 | #endif /* Q_WS_X11 */
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48 |
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49 | #ifdef Q_WS_MAC
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50 | # include "VBoxUtils-darwin.h"
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51 | #endif /* Q_WS_MAC */
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52 |
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53 | /* Factory function to create mouse-handler: */
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54 | UIMouseHandler* UIMouseHandler::create(UIMachineLogic *pMachineLogic,
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55 | UIVisualStateType visualStateType)
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56 | {
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57 | /* Prepare mouse-handler: */
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58 | UIMouseHandler *pMouseHandler = 0;
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59 | /* Depending on visual-state type: */
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60 | switch (visualStateType)
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61 | {
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62 | /* For now all the states using common mouse-handler: */
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63 | case UIVisualStateType_Normal:
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64 | case UIVisualStateType_Fullscreen:
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65 | case UIVisualStateType_Seamless:
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66 | case UIVisualStateType_Scale:
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67 | pMouseHandler = new UIMouseHandler(pMachineLogic);
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68 | break;
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69 | default:
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70 | break;
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71 | }
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72 | /* Return prepared mouse-handler: */
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73 | return pMouseHandler;
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74 | }
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75 |
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76 | /* Factory function to destroy mouse-handler: */
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77 | void UIMouseHandler::destroy(UIMouseHandler *pMouseHandler)
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78 | {
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79 | /* Delete mouse-handler: */
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80 | delete pMouseHandler;
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81 | }
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82 |
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83 | /* Prepare listener for particular machine-window: */
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84 | void UIMouseHandler::prepareListener(ulong uIndex, UIMachineWindow *pMachineWindow)
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85 | {
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86 | /* If that window is NOT registered yet: */
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87 | if (!m_windows.contains(uIndex))
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88 | {
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89 | /* Register machine-window: */
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90 | m_windows.insert(uIndex, pMachineWindow->machineWindow());
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91 | /* Install event-filter for machine-window: */
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92 | m_windows[uIndex]->installEventFilter(this);
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93 | }
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94 |
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95 | /* If that view is NOT registered yet: */
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96 | if (!m_views.contains(uIndex))
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97 | {
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98 | /* Register machine-view: */
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99 | m_views.insert(uIndex, pMachineWindow->machineView());
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100 | /* Install event-filter for machine-view: */
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101 | m_views[uIndex]->installEventFilter(this);
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102 | /* Make machine-view notify mouse-handler about resizeHintDone(): */
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103 | connect(m_views[uIndex], SIGNAL(resizeHintDone()), this, SLOT(sltMousePointerShapeChanged()));
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104 | }
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105 |
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106 | /* If that viewport is NOT registered yet: */
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107 | if (!m_viewports.contains(uIndex))
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108 | {
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109 | /* Register machine-view-viewport: */
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110 | m_viewports.insert(uIndex, pMachineWindow->machineView()->viewport());
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111 | /* Install event-filter for machine-view-viewport: */
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112 | m_viewports[uIndex]->installEventFilter(this);
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113 | }
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114 | }
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115 |
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116 | /* Cleanup listener for particular machine-window: */
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117 | void UIMouseHandler::cleanupListener(ulong uIndex)
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118 | {
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119 | /* Check if we should release mouse first: */
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120 | if ((int)uIndex == m_iMouseCaptureViewIndex)
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121 | releaseMouse();
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122 |
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123 | /* If that window still registered: */
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124 | if (m_windows.contains(uIndex))
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125 | {
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126 | /* Unregister machine-window: */
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127 | m_windows.remove(uIndex);
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128 | }
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129 |
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130 | /* If that view still registered: */
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131 | if (m_views.contains(uIndex))
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132 | {
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133 | /* Unregister machine-view: */
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134 | m_views.remove(uIndex);
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135 | }
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136 |
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137 | /* If that viewport still registered: */
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138 | if (m_viewports.contains(uIndex))
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139 | {
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140 | /* Unregister machine-view-viewport: */
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141 | m_viewports.remove(uIndex);
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142 | }
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143 | }
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144 |
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145 | void UIMouseHandler::captureMouse(ulong uScreenId)
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146 | {
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147 | /* Do not try to capture mouse if its captured already: */
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148 | if (uisession()->isMouseCaptured())
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149 | return;
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150 |
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151 | /* If such viewport exists: */
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152 | if (m_viewports.contains(uScreenId))
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153 | {
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154 | /* Store mouse-capturing state value: */
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155 | uisession()->setMouseCaptured(true);
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156 |
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157 | /* Memorize the index of machine-view-viewport captured mouse: */
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158 | m_iMouseCaptureViewIndex = uScreenId;
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159 |
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160 | /* Memorize the host position where the cursor was captured: */
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161 | m_capturedMousePos = QCursor::pos();
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162 |
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163 | /* Acquiring visible viewport rectangle in global coodrinates: */
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164 | QRect visibleRectangle = m_viewports[m_iMouseCaptureViewIndex]->visibleRegion().boundingRect();
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165 | QPoint visibleRectanglePos = m_views[m_iMouseCaptureViewIndex]->mapToGlobal(m_viewports[m_iMouseCaptureViewIndex]->pos());
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166 | visibleRectangle.translate(visibleRectanglePos);
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167 | visibleRectangle = visibleRectangle.intersected(QApplication::desktop()->availableGeometry());
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168 |
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169 | #ifdef Q_WS_WIN
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170 | /* Move the mouse to the center of the visible area: */
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171 | m_lastMousePos = visibleRectangle.center();
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172 | QCursor::setPos(m_lastMousePos);
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173 | /* Update mouse clipping: */
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174 | updateMouseCursorClipping();
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175 | #elif defined (Q_WS_MAC)
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176 | /* Move the mouse to the center of the visible area: */
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177 | m_lastMousePos = visibleRectangle.center();
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178 | QCursor::setPos(m_lastMousePos);
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179 | /* Grab all mouse events: */
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180 | m_viewports[m_iMouseCaptureViewIndex]->grabMouse();
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181 | #else /* Q_WS_MAC */
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182 | /* Remember current mouse position: */
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183 | m_lastMousePos = QCursor::pos();
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184 | /* Grab all mouse events: */
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185 | m_viewports[m_iMouseCaptureViewIndex]->grabMouse();
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186 | #endif /* !Q_WS_MAC */
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187 |
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188 | /* Switch guest mouse to the relative mode: */
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189 | CMouse mouse = session().GetConsole().GetMouse();
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190 | mouse.PutMouseEvent(0, 0, 0, 0, 0);
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191 |
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192 | /* Emit signal if required: */
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193 | emit mouseStateChanged(mouseState());
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194 | }
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195 | }
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196 |
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197 | void UIMouseHandler::releaseMouse()
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198 | {
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199 | /* Do not try to release mouse if its released already: */
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200 | if (!uisession()->isMouseCaptured())
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201 | return;
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202 |
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203 | /* If such viewport exists: */
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204 | if (m_viewports.contains(m_iMouseCaptureViewIndex))
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205 | {
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206 | /* Store mouse-capturing state value: */
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207 | uisession()->setMouseCaptured(false);
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208 |
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209 | /* Return the cursor to where it was when we captured it: */
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210 | QCursor::setPos(m_capturedMousePos);
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211 | #ifdef Q_WS_WIN
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212 | /* Update mouse clipping: */
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213 | updateMouseCursorClipping();
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214 | #else /* Q_WS_WIN */
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215 | /* Releasing grabbed mouse from that view: */
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216 | m_viewports[m_iMouseCaptureViewIndex]->releaseMouse();
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217 | #endif /* !Q_WS_WIN */
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218 | /* Reset mouse-capture index: */
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219 | m_iMouseCaptureViewIndex = -1;
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220 |
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221 | /* Emit signal if required: */
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222 | emit mouseStateChanged(mouseState());
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223 | }
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224 | }
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225 |
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226 | /* Setter for mouse-integration feature: */
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227 | void UIMouseHandler::setMouseIntegrationEnabled(bool fEnabled)
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228 | {
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229 | /* Do not do anything if its already done: */
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230 | if (uisession()->isMouseIntegrated() == fEnabled)
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231 | return;
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232 |
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233 | /* Store mouse-integration state value: */
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234 | uisession()->setMouseIntegrated(fEnabled);
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235 |
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236 | /* Reuse sltMouseCapabilityChanged() to update mouse state: */
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237 | sltMouseCapabilityChanged();
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238 | }
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239 |
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240 | /* Current mouse state: */
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241 | int UIMouseHandler::mouseState() const
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242 | {
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243 | return (uisession()->isMouseCaptured() ? UIMouseStateType_MouseCaptured : 0) |
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244 | (uisession()->isMouseSupportsAbsolute() ? UIMouseStateType_MouseAbsolute : 0) |
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245 | (uisession()->isMouseIntegrated() ? 0 : UIMouseStateType_MouseAbsoluteDisabled);
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246 | }
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247 |
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248 | #ifdef Q_WS_MAC
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249 | void UIMouseHandler::setMouseCoalescingEnabled(bool fOn)
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250 | {
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251 | /* Enable mouse event compression if we leave the VM view.
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252 | * This is necessary for having smooth resizing of the VM/other windows.
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253 | * Disable mouse event compression if we enter the VM view.
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254 | * So all mouse events are registered in the VM. */
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255 | ::darwinSetMouseCoalescingEnabled(fOn);
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256 | }
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257 | #endif /* Q_WS_MAC */
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258 |
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259 | #ifdef Q_WS_X11
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260 | bool UIMouseHandler::x11EventFilter(XEvent *pEvent, ulong /* uScreenId */)
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261 | {
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262 | /* Check if some system event should be filtered-out.
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263 | * Returning 'true' means filtering-out,
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264 | * Returning 'false' means passing event to Qt. */
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265 | bool fResult = false; /* Pass to Qt by default: */
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266 | switch (pEvent->type)
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267 | {
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268 | /* We have to handle XFocusOut right here as this event is not passed to UIMachineView::event().
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269 | * Handling this event is important for releasing the keyboard before the screen saver gets active.
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270 | * See public ticket #3894: Apparently this makes problems with newer versions of Qt
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271 | * and this hack is probably not necessary anymore. So disable it for Qt >= 4.5.0. */
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272 | case XFocusOut:
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273 | {
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274 | if (uisession()->isRunning())
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275 | {
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276 | if (VBoxGlobal::qtRTVersion() < ((4 << 16) | (5 << 8) | 0))
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277 | releaseMouse();
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278 | }
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279 | fResult = false;
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280 | }
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281 | default:
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282 | break;
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283 | }
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284 | /* Return result: */
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285 | return fResult;
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286 | }
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287 | #endif /* Q_WS_X11 */
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288 |
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289 | /* Machine state-change handler: */
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290 | void UIMouseHandler::sltMachineStateChanged()
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291 | {
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292 | /* Get machine state: */
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293 | KMachineState state = uisession()->machineState();
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294 | /* Handle particular machine states: */
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295 | switch (state)
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296 | {
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297 | case KMachineState_Paused:
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298 | case KMachineState_TeleportingPausedVM:
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299 | case KMachineState_Stuck:
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300 | {
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301 | /* Release the mouse: */
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302 | releaseMouse();
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303 | break;
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304 | }
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305 | default:
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306 | break;
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307 | }
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308 |
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309 | /* Notify all listeners: */
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310 | emit mouseStateChanged(mouseState());
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311 | }
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312 |
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313 | /* Mouse capability-change handler: */
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314 | void UIMouseHandler::sltMouseCapabilityChanged()
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315 | {
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316 | /* If mouse supports absolute pointing and mouse-integration activated: */
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317 | if (uisession()->isMouseSupportsAbsolute() && uisession()->isMouseIntegrated())
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318 | {
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319 | /* Release the mouse: */
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320 | releaseMouse();
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321 | /* Also we should switch guest mouse to the absolute mode: */
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322 | CMouse mouse = session().GetConsole().GetMouse();
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323 | mouse.PutMouseEventAbsolute(-1, -1, 0, 0, 0);
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324 | }
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325 | #if 0 /* current team's decision is NOT to capture mouse on mouse-absolute mode loosing! */
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326 | /* If mouse-integration deactivated or mouse doesn't supports absolute pointing: */
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327 | else
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328 | {
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329 | /* Search for the machine-view focused now: */
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330 | int iFocusedView = -1;
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331 | QList<ulong> screenIds = m_views.keys();
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332 | for (int i = 0; i < screenIds.size(); ++i)
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333 | {
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334 | if (m_views[screenIds[i]]->hasFocus())
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335 | {
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336 | iFocusedView = screenIds[i];
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337 | break;
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338 | }
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339 | }
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340 | /* If there is no focused view but views are present we will use the first one: */
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341 | if (iFocusedView == -1 && !screenIds.isEmpty())
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342 | iFocusedView = screenIds[0];
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343 | /* Capture mouse using that view: */
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344 | if (iFocusedView != -1)
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345 | captureMouse(iFocusedView);
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346 | }
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347 | #else /* but just to switch the guest mouse into relative mode! */
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348 | /* If mouse-integration deactivated or mouse doesn't supports absolute pointing: */
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349 | else
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350 | {
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351 | /* Switch guest mouse to the relative mode: */
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352 | CMouse mouse = session().GetConsole().GetMouse();
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353 | mouse.PutMouseEvent(0, 0, 0, 0, 0);
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354 | }
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355 | #endif
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356 |
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357 | /* Notify user about mouse supports or not absolute pointing if that method was called by signal: */
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358 | if (sender())
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359 | vboxProblem().remindAboutMouseIntegration(uisession()->isMouseSupportsAbsolute());
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360 |
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361 | /* Notify all listeners: */
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362 | emit mouseStateChanged(mouseState());
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363 | }
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364 |
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365 | /* Mouse pointer-shape-change handler: */
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366 | void UIMouseHandler::sltMousePointerShapeChanged()
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367 | {
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368 | /* First of all, we should check if the host pointer should be visible.
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369 | * We should hide host pointer in case of:
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370 | * 1. mouse is 'captured' or
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371 | * 2. mouse is 'not captured', 'integrated', 'absolute', host pointer is hidden by the guest. */
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372 | if (uisession()->isMouseCaptured() ||
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373 | (uisession()->isMouseIntegrated() &&
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374 | uisession()->isMouseSupportsAbsolute() &&
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375 | uisession()->isHidingHostPointer()))
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376 | {
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377 | QList<ulong> screenIds = m_viewports.keys();
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378 | for (int i = 0; i < screenIds.size(); ++i)
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379 | m_viewports[screenIds[i]]->setCursor(Qt::BlankCursor);
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380 | }
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381 |
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382 | else
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383 |
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384 | /* Otherwise we should show host pointer with guest shape assigned to it if:
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385 | * machine is NOT 'paused', mouse is 'integrated', 'absolute', valid pointer shape is present. */
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386 | if (!uisession()->isPaused() &&
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387 | uisession()->isMouseIntegrated() &&
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388 | uisession()->isMouseSupportsAbsolute() &&
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389 | uisession()->isValidPointerShapePresent())
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390 | {
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391 | QList<ulong> screenIds = m_viewports.keys();
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392 | for (int i = 0; i < screenIds.size(); ++i)
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393 | m_viewports[screenIds[i]]->setCursor(uisession()->cursor());
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394 | }
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395 |
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396 | else
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397 |
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398 | /* There could be other states covering such situations as:
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399 | * 1. machine is 'paused' or
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400 | * 2. mouse is 'not captured', 'integrated', 'not absolute' or
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401 | * 3. mouse is 'not captured', 'not integrated', 'absolute'.
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402 | * We have nothing to do with that except just unset the cursor. */
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403 | {
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404 | QList<ulong> screenIds = m_viewports.keys();
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405 | for (int i = 0; i < screenIds.size(); ++i)
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406 | m_viewports[screenIds[i]]->unsetCursor();
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407 | }
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408 | }
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409 |
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410 | /* Mouse-handler constructor: */
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411 | UIMouseHandler::UIMouseHandler(UIMachineLogic *pMachineLogic)
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412 | : QObject(pMachineLogic)
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413 | , m_pMachineLogic(pMachineLogic)
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414 | , m_iLastMouseWheelDelta(0)
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415 | , m_iMouseCaptureViewIndex(-1)
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416 | {
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417 | /* Machine state-change updater: */
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418 | connect(uisession(), SIGNAL(sigMachineStateChange()), this, SLOT(sltMachineStateChanged()));
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419 |
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420 | /* Mouse capability state-change updater: */
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421 | connect(uisession(), SIGNAL(sigMouseCapabilityChange()), this, SLOT(sltMouseCapabilityChanged()));
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422 |
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423 | /* Mouse pointer shape state-change updaters: */
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424 | connect(uisession(), SIGNAL(sigMousePointerShapeChange()), this, SLOT(sltMousePointerShapeChanged()));
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425 | connect(this, SIGNAL(mouseStateChanged(int)), this, SLOT(sltMousePointerShapeChanged()));
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426 |
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427 | /* Initialize: */
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428 | sltMachineStateChanged();
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429 | sltMousePointerShapeChanged();
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430 | sltMouseCapabilityChanged();
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431 | }
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432 |
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433 | /* Mouse-handler destructor: */
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434 | UIMouseHandler::~UIMouseHandler()
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435 | {
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436 | }
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437 |
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438 | /* Machine-logic getter: */
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439 | UIMachineLogic* UIMouseHandler::machineLogic() const
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440 | {
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441 | return m_pMachineLogic;
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442 | }
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443 |
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444 | /* UI Session getter: */
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445 | UISession* UIMouseHandler::uisession() const
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446 | {
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447 | return machineLogic()->uisession();
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448 | }
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449 |
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450 | /* Main Session getter: */
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451 | CSession& UIMouseHandler::session() const
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452 | {
|
---|
453 | return uisession()->session();
|
---|
454 | }
|
---|
455 |
|
---|
456 | /* Event handler for registered machine-view(s): */
|
---|
457 | bool UIMouseHandler::eventFilter(QObject *pWatched, QEvent *pEvent)
|
---|
458 | {
|
---|
459 | /* If that object is of QWidget type: */
|
---|
460 | if (QWidget *pWatchedWidget = qobject_cast<QWidget*>(pWatched))
|
---|
461 | {
|
---|
462 | /* Check if that widget is in windows list: */
|
---|
463 | if (m_windows.values().contains(pWatchedWidget))
|
---|
464 | {
|
---|
465 | #ifdef Q_WS_WIN
|
---|
466 | /* Handle window events: */
|
---|
467 | switch (pEvent->type())
|
---|
468 | {
|
---|
469 | case QEvent::Move:
|
---|
470 | {
|
---|
471 | /* Update mouse clipping if window was moved
|
---|
472 | * by Operating System desktop manager: */
|
---|
473 | updateMouseCursorClipping();
|
---|
474 | break;
|
---|
475 | }
|
---|
476 | default:
|
---|
477 | break;
|
---|
478 | }
|
---|
479 | #endif /* Q_WS_WIN */
|
---|
480 | }
|
---|
481 |
|
---|
482 | else
|
---|
483 |
|
---|
484 | /* Check if that widget is of UIMachineView type: */
|
---|
485 | if (UIMachineView *pWatchedMachineView = qobject_cast<UIMachineView*>(pWatchedWidget))
|
---|
486 | {
|
---|
487 | /* Check if that widget is in views list: */
|
---|
488 | if (m_views.values().contains(pWatchedMachineView))
|
---|
489 | {
|
---|
490 | /* Handle view events: */
|
---|
491 | switch (pEvent->type())
|
---|
492 | {
|
---|
493 | case QEvent::FocusOut:
|
---|
494 | {
|
---|
495 | /* Release the mouse: */
|
---|
496 | releaseMouse();
|
---|
497 | break;
|
---|
498 | }
|
---|
499 | default:
|
---|
500 | break;
|
---|
501 | }
|
---|
502 | }
|
---|
503 | }
|
---|
504 |
|
---|
505 | else
|
---|
506 |
|
---|
507 | /* Check if that widget is in viewports list: */
|
---|
508 | if (m_viewports.values().contains(pWatchedWidget))
|
---|
509 | {
|
---|
510 | /* Get current watched widget screen id: */
|
---|
511 | ulong uScreenId = m_viewports.key(pWatchedWidget);
|
---|
512 | /* Handle viewport events: */
|
---|
513 | switch (pEvent->type())
|
---|
514 | {
|
---|
515 | case QEvent::MouseMove:
|
---|
516 | case QEvent::MouseButtonRelease:
|
---|
517 | {
|
---|
518 | /* Check if we should propagate this event to another window: */
|
---|
519 | QWidget *pHoveredWidget = QApplication::widgetAt(QCursor::pos());
|
---|
520 | if (pHoveredWidget && pHoveredWidget != pWatchedWidget && m_viewports.values().contains(pHoveredWidget))
|
---|
521 | {
|
---|
522 | /* Get current mouse-move event: */
|
---|
523 | QMouseEvent *pOldMouseEvent = static_cast<QMouseEvent*>(pEvent);
|
---|
524 |
|
---|
525 | /* Prepare redirected mouse-move event: */
|
---|
526 | QMouseEvent *pNewMouseEvent = new QMouseEvent(pOldMouseEvent->type(),
|
---|
527 | pHoveredWidget->mapFromGlobal(pOldMouseEvent->globalPos()),
|
---|
528 | pOldMouseEvent->globalPos(),
|
---|
529 | pOldMouseEvent->button(),
|
---|
530 | pOldMouseEvent->buttons(),
|
---|
531 | pOldMouseEvent->modifiers());
|
---|
532 |
|
---|
533 | /* Send that event to real destination: */
|
---|
534 | QApplication::postEvent(pHoveredWidget, pNewMouseEvent);
|
---|
535 |
|
---|
536 | /* Filter out that event: */
|
---|
537 | return true;
|
---|
538 | }
|
---|
539 |
|
---|
540 | /* Check if we should activate window under cursor: */
|
---|
541 | if (!uisession()->isMouseCaptured() &&
|
---|
542 | QApplication::activeWindow() &&
|
---|
543 | QApplication::activeWindow()->inherits("UIMachineWindow") &&
|
---|
544 | QApplication::activeWindow() != pWatchedWidget->window())
|
---|
545 | {
|
---|
546 | /* Activating hovered machine window: */
|
---|
547 | pWatchedWidget->window()->activateWindow();
|
---|
548 | #ifdef Q_WS_X11
|
---|
549 | /* On X11 its not enough to just activate window if you
|
---|
550 | * want to raise it also, so we will make it separately: */
|
---|
551 | pWatchedWidget->window()->raise();
|
---|
552 | #endif /* Q_WS_X11 */
|
---|
553 | }
|
---|
554 |
|
---|
555 | /* This event should be also processed using next 'case': */
|
---|
556 | }
|
---|
557 | case QEvent::MouseButtonPress:
|
---|
558 | case QEvent::MouseButtonDblClick:
|
---|
559 | {
|
---|
560 | QMouseEvent *pMouseEvent = static_cast<QMouseEvent*>(pEvent);
|
---|
561 | m_iLastMouseWheelDelta = 0;
|
---|
562 | if (mouseEvent(pMouseEvent->type(), uScreenId,
|
---|
563 | pMouseEvent->pos(), pMouseEvent->globalPos(),
|
---|
564 | pMouseEvent->buttons(), 0, Qt::Horizontal))
|
---|
565 | return true;
|
---|
566 | break;
|
---|
567 | }
|
---|
568 | case QEvent::Wheel:
|
---|
569 | {
|
---|
570 | QWheelEvent *pWheelEvent = static_cast<QWheelEvent*>(pEvent);
|
---|
571 | /* There are pointing devices which send smaller values for the delta than 120.
|
---|
572 | * Here we sum them up until we are greater than 120. This allows to have finer control
|
---|
573 | * over the speed acceleration & enables such devices to send a valid wheel event to our
|
---|
574 | * guest mouse device at all: */
|
---|
575 | int iDelta = 0;
|
---|
576 | m_iLastMouseWheelDelta += pWheelEvent->delta();
|
---|
577 | if (qAbs(m_iLastMouseWheelDelta) >= 120)
|
---|
578 | {
|
---|
579 | iDelta = m_iLastMouseWheelDelta;
|
---|
580 | m_iLastMouseWheelDelta = m_iLastMouseWheelDelta % 120;
|
---|
581 | }
|
---|
582 | if (mouseEvent(pWheelEvent->type(), uScreenId,
|
---|
583 | pWheelEvent->pos(), pWheelEvent->globalPos(),
|
---|
584 | #ifdef QT_MAC_USE_COCOA
|
---|
585 | /* Qt Cocoa is buggy. It always reports a left button pressed when the
|
---|
586 | * mouse wheel event occurs. A workaround is to ask the application which
|
---|
587 | * buttons are pressed currently: */
|
---|
588 | QApplication::mouseButtons(),
|
---|
589 | #else /* QT_MAC_USE_COCOA */
|
---|
590 | pWheelEvent->buttons(),
|
---|
591 | #endif /* !QT_MAC_USE_COCOA */
|
---|
592 | iDelta, pWheelEvent->orientation()))
|
---|
593 | return true;
|
---|
594 | break;
|
---|
595 | }
|
---|
596 | #ifdef Q_WS_MAC
|
---|
597 | case QEvent::Leave:
|
---|
598 | {
|
---|
599 | /* Enable mouse event compression if we leave the VM view.
|
---|
600 | * This is necessary for having smooth resizing of the VM/other windows: */
|
---|
601 | setMouseCoalescingEnabled(true);
|
---|
602 | break;
|
---|
603 | }
|
---|
604 | case QEvent::Enter:
|
---|
605 | {
|
---|
606 | /* Disable mouse event compression if we enter the VM view.
|
---|
607 | * So all mouse events are registered in the VM.
|
---|
608 | * Only do this if the keyboard/mouse is grabbed
|
---|
609 | * (this is when we have a valid event handler): */
|
---|
610 | if (machineLogic()->keyboardHandler()->isKeyboardGrabbed())
|
---|
611 | setMouseCoalescingEnabled(false);
|
---|
612 | break;
|
---|
613 | }
|
---|
614 | #endif /* Q_WS_MAC */
|
---|
615 | #ifdef Q_WS_WIN
|
---|
616 | case QEvent::Resize:
|
---|
617 | {
|
---|
618 | /* Update mouse clipping: */
|
---|
619 | updateMouseCursorClipping();
|
---|
620 | break;
|
---|
621 | }
|
---|
622 | #endif /* Q_WS_WIN */
|
---|
623 | default:
|
---|
624 | break;
|
---|
625 | }
|
---|
626 | }
|
---|
627 | }
|
---|
628 | return QObject::eventFilter(pWatched, pEvent);
|
---|
629 | }
|
---|
630 |
|
---|
631 | /* Separate function to handle most of existing mouse-events: */
|
---|
632 | bool UIMouseHandler::mouseEvent(int iEventType, ulong uScreenId,
|
---|
633 | const QPoint &relativePos, const QPoint &globalPos,
|
---|
634 | Qt::MouseButtons mouseButtons,
|
---|
635 | int wheelDelta, Qt::Orientation wheelDirection)
|
---|
636 | {
|
---|
637 | /* Check if machine is still running: */
|
---|
638 | if (!uisession()->isRunning())
|
---|
639 | return true;
|
---|
640 |
|
---|
641 | /* Check if such view & viewport are registered: */
|
---|
642 | if (!m_views.contains(uScreenId) || !m_viewports.contains(uScreenId))
|
---|
643 | return true;
|
---|
644 |
|
---|
645 | int iMouseButtonsState = 0;
|
---|
646 | if (mouseButtons & Qt::LeftButton)
|
---|
647 | iMouseButtonsState |= KMouseButtonState_LeftButton;
|
---|
648 | if (mouseButtons & Qt::RightButton)
|
---|
649 | iMouseButtonsState |= KMouseButtonState_RightButton;
|
---|
650 | if (mouseButtons & Qt::MidButton)
|
---|
651 | iMouseButtonsState |= KMouseButtonState_MiddleButton;
|
---|
652 | if (mouseButtons & Qt::XButton1)
|
---|
653 | iMouseButtonsState |= KMouseButtonState_XButton1;
|
---|
654 | if (mouseButtons & Qt::XButton2)
|
---|
655 | iMouseButtonsState |= KMouseButtonState_XButton2;
|
---|
656 |
|
---|
657 | #ifdef Q_WS_MAC
|
---|
658 | /* Simulate the right click on host-key + left-mouse-button: */
|
---|
659 | if (machineLogic()->keyboardHandler()->isHostKeyPressed() &&
|
---|
660 | machineLogic()->keyboardHandler()->isHostKeyAlone() &&
|
---|
661 | iMouseButtonsState == KMouseButtonState_LeftButton)
|
---|
662 | iMouseButtonsState = KMouseButtonState_RightButton;
|
---|
663 | #endif /* Q_WS_MAC */
|
---|
664 |
|
---|
665 | int iWheelVertical = 0;
|
---|
666 | int iWheelHorizontal = 0;
|
---|
667 | if (wheelDirection == Qt::Vertical)
|
---|
668 | {
|
---|
669 | /* The absolute value of wheel delta is 120 units per every wheel move;
|
---|
670 | * positive deltas correspond to counterclockwise rotations (usually up),
|
---|
671 | * negative deltas correspond to clockwise (usually down). */
|
---|
672 | iWheelVertical = - (wheelDelta / 120);
|
---|
673 | }
|
---|
674 | else if (wheelDirection == Qt::Horizontal)
|
---|
675 | iWheelHorizontal = wheelDelta / 120;
|
---|
676 |
|
---|
677 | if (uisession()->isMouseCaptured())
|
---|
678 | {
|
---|
679 | #ifdef Q_WS_WIN
|
---|
680 | /* Send pending WM_PAINT events: */
|
---|
681 | ::UpdateWindow(m_viewports[uScreenId]->winId());
|
---|
682 | #endif
|
---|
683 |
|
---|
684 | CMouse mouse = session().GetConsole().GetMouse();
|
---|
685 | mouse.PutMouseEvent(globalPos.x() - m_lastMousePos.x(),
|
---|
686 | globalPos.y() - m_lastMousePos.y(),
|
---|
687 | iWheelVertical, iWheelHorizontal, iMouseButtonsState);
|
---|
688 |
|
---|
689 | #ifdef Q_WS_MAC
|
---|
690 | /* Keep the mouse from leaving the widget.
|
---|
691 | * This is a bit tricky to get right because if it escapes we won't necessarily
|
---|
692 | * get mouse events any longer and can warp it back. So, we keep safety zone
|
---|
693 | * of up to 300 pixels around the borders of the widget to prevent this from
|
---|
694 | * happening. Also, the mouse is warped back to the center of the widget.
|
---|
695 | * (Note, relativePos seems to be unreliable, it caused endless recursion here at one points...)
|
---|
696 | * (Note, synergy and other remote clients might not like this cursor warping.) */
|
---|
697 | QRect rect = m_viewports[uScreenId]->visibleRegion().boundingRect();
|
---|
698 | QPoint pw = m_viewports[uScreenId]->mapToGlobal(m_viewports[uScreenId]->pos());
|
---|
699 | rect.translate(pw.x(), pw.y());
|
---|
700 |
|
---|
701 | QRect dpRect = QApplication::desktop()->screenGeometry(m_viewports[uScreenId]);
|
---|
702 | if (rect.intersects(dpRect))
|
---|
703 | rect = rect.intersect(dpRect);
|
---|
704 |
|
---|
705 | int iWsafe = rect.width() / 6;
|
---|
706 | rect.setWidth(rect.width() - iWsafe * 2);
|
---|
707 | rect.setLeft(rect.left() + iWsafe);
|
---|
708 |
|
---|
709 | int iHsafe = rect.height() / 6;
|
---|
710 | rect.setWidth(rect.height() - iHsafe * 2);
|
---|
711 | rect.setTop(rect.top() + iHsafe);
|
---|
712 |
|
---|
713 | if (rect.contains(globalPos, true))
|
---|
714 | m_lastMousePos = globalPos;
|
---|
715 | else
|
---|
716 | {
|
---|
717 | m_lastMousePos = rect.center();
|
---|
718 | QCursor::setPos(m_lastMousePos);
|
---|
719 | }
|
---|
720 | #else /* Q_WS_MAC */
|
---|
721 |
|
---|
722 | /* Bringing mouse to the opposite side to simulate the endless moving: */
|
---|
723 |
|
---|
724 | # ifdef Q_WS_WIN
|
---|
725 | /* Acquiring visible viewport rectangle in local coordinates: */
|
---|
726 | QRect viewportRectangle = m_viewports[uScreenId]->visibleRegion().boundingRect();
|
---|
727 | QPoint viewportRectangleGlobalPos = m_views[uScreenId]->mapToGlobal(m_viewports[uScreenId]->pos());
|
---|
728 | /* Shift viewport rectangle to global position to bound by available geometry: */
|
---|
729 | viewportRectangle.translate(viewportRectangleGlobalPos);
|
---|
730 | /* Acquiring viewport rectangle cropped by available geometry: */
|
---|
731 | viewportRectangle = viewportRectangle.intersected(QApplication::desktop()->availableGeometry());
|
---|
732 | /* Shift remaining viewport rectangle to local position as relative position is in local coordinates: */
|
---|
733 | viewportRectangle.translate(-viewportRectangleGlobalPos);
|
---|
734 |
|
---|
735 | /* Get boundaries: */
|
---|
736 | int ix1 = viewportRectangle.left() + 1;
|
---|
737 | int iy1 = viewportRectangle.top() + 1;
|
---|
738 | int ix2 = viewportRectangle.right() - 1;
|
---|
739 | int iy2 = viewportRectangle.bottom() - 1;
|
---|
740 |
|
---|
741 | /* Simulate infinite movement: */
|
---|
742 | QPoint p = relativePos;
|
---|
743 | if (relativePos.x() == ix1)
|
---|
744 | p.setX(ix2 - 1);
|
---|
745 | else if (relativePos.x() == ix2)
|
---|
746 | p.setX(ix1 + 1);
|
---|
747 | if (relativePos.y() == iy1)
|
---|
748 | p.setY(iy2 - 1);
|
---|
749 | else if (relativePos.y() == iy2)
|
---|
750 | p.setY(iy1 + 1);
|
---|
751 | if (p != relativePos)
|
---|
752 | {
|
---|
753 | m_lastMousePos = m_viewports[uScreenId]->mapToGlobal(p);
|
---|
754 | QCursor::setPos(m_lastMousePos);
|
---|
755 | }
|
---|
756 | else
|
---|
757 | {
|
---|
758 | m_lastMousePos = globalPos;
|
---|
759 | }
|
---|
760 | # else /* Q_WS_WIN */
|
---|
761 | int iWe = QApplication::desktop()->width() - 1;
|
---|
762 | int iHe = QApplication::desktop()->height() - 1;
|
---|
763 | QPoint p = globalPos;
|
---|
764 | if (globalPos.x() == 0)
|
---|
765 | p.setX(iWe - 1);
|
---|
766 | else if (globalPos.x() == iWe)
|
---|
767 | p.setX( 1 );
|
---|
768 | if (globalPos.y() == 0)
|
---|
769 | p.setY(iHe - 1);
|
---|
770 | else if (globalPos.y() == iHe)
|
---|
771 | p.setY(1);
|
---|
772 |
|
---|
773 | if (p != globalPos)
|
---|
774 | {
|
---|
775 | m_lastMousePos = p;
|
---|
776 | QCursor::setPos(m_lastMousePos);
|
---|
777 | }
|
---|
778 | else
|
---|
779 | {
|
---|
780 | m_lastMousePos = globalPos;
|
---|
781 | }
|
---|
782 | # endif /* !Q_WS_WIN */
|
---|
783 | #endif /* !Q_WS_MAC */
|
---|
784 | return true; /* stop further event handling */
|
---|
785 | }
|
---|
786 | else /* !uisession()->isMouseCaptured() */
|
---|
787 | {
|
---|
788 | #if 0 // TODO: Move that to fullscreen event-handler:
|
---|
789 | if (vboxGlobal().vmRenderMode() != VBoxDefs::SDLMode)
|
---|
790 | {
|
---|
791 | /* try to automatically scroll the guest canvas if the
|
---|
792 | * mouse is on the screen border */
|
---|
793 | /// @todo (r=dmik) better use a timer for autoscroll
|
---|
794 | QRect scrGeo = QApplication::desktop()->screenGeometry (this);
|
---|
795 | int iDx = 0, iDy = 0;
|
---|
796 | if (scrGeo.width() < contentsWidth())
|
---|
797 | {
|
---|
798 | if (scrGeo.left() == globalPos.x()) iDx = -1;
|
---|
799 | if (scrGeo.right() == globalPos.x()) iDx = +1;
|
---|
800 | }
|
---|
801 | if (scrGeo.height() < contentsHeight())
|
---|
802 | {
|
---|
803 | if (scrGeo.top() == globalPos.y()) iDy = -1;
|
---|
804 | if (scrGeo.bottom() == globalPos.y()) iDy = +1;
|
---|
805 | }
|
---|
806 | if (iDx || iDy)
|
---|
807 | scrollBy(iDx, iDy);
|
---|
808 | }
|
---|
809 | #endif
|
---|
810 |
|
---|
811 | if (uisession()->isMouseSupportsAbsolute() && uisession()->isMouseIntegrated())
|
---|
812 | {
|
---|
813 | int iCw = m_views[uScreenId]->contentsWidth(), iCh = m_views[uScreenId]->contentsHeight();
|
---|
814 | int iVw = m_views[uScreenId]->visibleWidth(), iVh = m_views[uScreenId]->visibleHeight();
|
---|
815 |
|
---|
816 | if (vboxGlobal().vmRenderMode() != VBoxDefs::SDLMode)
|
---|
817 | {
|
---|
818 | /* Try to automatically scroll the guest canvas if the
|
---|
819 | * mouse goes outside its visible part: */
|
---|
820 | int iDx = 0;
|
---|
821 | if (relativePos.x() > iVw) iDx = relativePos.x() - iVw;
|
---|
822 | else if (relativePos.x() < 0) iDx = relativePos.x();
|
---|
823 | int iDy = 0;
|
---|
824 | if (relativePos.y() > iVh) iDy = relativePos.y() - iVh;
|
---|
825 | else if (relativePos.y() < 0) iDy = relativePos.y();
|
---|
826 | if (iDx != 0 || iDy != 0) m_views[uScreenId]->scrollBy(iDx, iDy);
|
---|
827 | }
|
---|
828 |
|
---|
829 | /* Get mouse-pointer location: */
|
---|
830 | QPoint cpnt = m_views[uScreenId]->viewportToContents(relativePos);
|
---|
831 |
|
---|
832 | /* Determine scaling: */
|
---|
833 | UIFrameBuffer *pFrameBuffer = m_views[uScreenId]->frameBuffer();
|
---|
834 | QSize scaledSize = pFrameBuffer->scaledSize();
|
---|
835 | double xRatio = scaledSize.isValid() ? (double)pFrameBuffer->width() / (double)scaledSize.width() : 1;
|
---|
836 | double yRatio = scaledSize.isValid() ? (double)pFrameBuffer->height() / (double)scaledSize.height() : 1;
|
---|
837 | /* Set scaling if scale-factor is present: */
|
---|
838 | cpnt.setX(cpnt.x() * xRatio);
|
---|
839 | cpnt.setY(cpnt.y() * yRatio);
|
---|
840 |
|
---|
841 | /* Bound coordinates: */
|
---|
842 | if (cpnt.x() < 0) cpnt.setX(0);
|
---|
843 | else if (cpnt.x() > iCw - 1) cpnt.setX(iCw - 1);
|
---|
844 | if (cpnt.y() < 0) cpnt.setY(0);
|
---|
845 | else if (cpnt.y() > iCh - 1) cpnt.setY(iCh - 1);
|
---|
846 |
|
---|
847 | /* Determine shifting: */
|
---|
848 | CFramebuffer framebuffer;
|
---|
849 | LONG xShift = 0, yShift = 0;
|
---|
850 | session().GetConsole().GetDisplay().GetFramebuffer(uScreenId, framebuffer, xShift, yShift);
|
---|
851 | /* Set shifting: */
|
---|
852 | cpnt.setX(cpnt.x() + xShift);
|
---|
853 | cpnt.setY(cpnt.y() + yShift);
|
---|
854 |
|
---|
855 | /* Post absolute mouse-event into guest: */
|
---|
856 | CMouse mouse = session().GetConsole().GetMouse();
|
---|
857 | mouse.PutMouseEventAbsolute(cpnt.x() + 1, cpnt.y() + 1, iWheelVertical, iWheelHorizontal, iMouseButtonsState);
|
---|
858 | return true;
|
---|
859 | }
|
---|
860 | else
|
---|
861 | {
|
---|
862 | if (m_views[uScreenId]->hasFocus() && (iEventType == QEvent::MouseButtonRelease && mouseButtons == Qt::NoButton))
|
---|
863 | {
|
---|
864 | if (uisession()->isPaused())
|
---|
865 | {
|
---|
866 | vboxProblem().remindAboutPausedVMInput();
|
---|
867 | }
|
---|
868 | else if (uisession()->isRunning())
|
---|
869 | {
|
---|
870 | /* Temporarily disable auto capture that will take place after this dialog is dismissed because
|
---|
871 | * the capture state is to be defined by the dialog result itself: */
|
---|
872 | uisession()->setAutoCaptureDisabled(true);
|
---|
873 | bool autoConfirmed = false;
|
---|
874 | bool ok = vboxProblem().confirmInputCapture(&autoConfirmed);
|
---|
875 | if (autoConfirmed)
|
---|
876 | uisession()->setAutoCaptureDisabled(false);
|
---|
877 | /* Otherwise, the disable flag will be reset in the next console view's focus in event (since
|
---|
878 | * may happen asynchronously on some platforms, after we return from this code): */
|
---|
879 | if (ok)
|
---|
880 | {
|
---|
881 | #ifdef Q_WS_X11
|
---|
882 | /* Make sure that pending FocusOut events from the previous message box are handled,
|
---|
883 | * otherwise the mouse is immediately ungrabbed again: */
|
---|
884 | qApp->processEvents();
|
---|
885 | #endif
|
---|
886 | machineLogic()->keyboardHandler()->captureKeyboard(uScreenId);
|
---|
887 | captureMouse(uScreenId);
|
---|
888 | }
|
---|
889 | }
|
---|
890 | }
|
---|
891 | }
|
---|
892 | }
|
---|
893 |
|
---|
894 | return false;
|
---|
895 | }
|
---|
896 |
|
---|
897 | #ifdef Q_WS_WIN
|
---|
898 | /* This method is actually required only because under win-host
|
---|
899 | * we do not really grab the mouse in case of capturing it: */
|
---|
900 | void UIMouseHandler::updateMouseCursorClipping()
|
---|
901 | {
|
---|
902 | /* Check if such view && viewport are registered: */
|
---|
903 | if (!m_views.contains(m_iMouseCaptureViewIndex) || !m_viewports.contains(m_iMouseCaptureViewIndex))
|
---|
904 | return;
|
---|
905 |
|
---|
906 | if (uisession()->isMouseCaptured())
|
---|
907 | {
|
---|
908 | /* Acquiring visible viewport rectangle: */
|
---|
909 | QRect viewportRectangle = m_viewports[m_iMouseCaptureViewIndex]->visibleRegion().boundingRect();
|
---|
910 | QPoint viewportRectangleGlobalPos = m_views[m_iMouseCaptureViewIndex]->mapToGlobal(m_viewports[m_iMouseCaptureViewIndex]->pos());
|
---|
911 | viewportRectangle.translate(viewportRectangleGlobalPos);
|
---|
912 | viewportRectangle = viewportRectangle.intersected(QApplication::desktop()->availableGeometry());
|
---|
913 | /* Prepare clipping area: */
|
---|
914 | RECT rect = { viewportRectangle.left() + 1, viewportRectangle.top() + 1, viewportRectangle.right(), viewportRectangle.bottom() };
|
---|
915 | ::ClipCursor(&rect);
|
---|
916 | }
|
---|
917 | else
|
---|
918 | {
|
---|
919 | ::ClipCursor(NULL);
|
---|
920 | }
|
---|
921 | }
|
---|
922 | #endif /* Q_WS_WIN */
|
---|
923 |
|
---|