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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 #include "qapplication.h" |
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43 #include "qapplication_p.h" |
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44 #include "qbitmap.h" |
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45 #include "qcursor.h" |
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46 #include "qdesktopwidget.h" |
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47 #include "qevent.h" |
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48 #include "qimage.h" |
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49 #include "qlayout.h" |
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50 #include "qlibrary.h" |
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51 #include "qpainter.h" |
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52 #include "qstack.h" |
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53 #include "qt_windows.h" |
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54 #include "qwidget.h" |
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55 #include "qwidget_p.h" |
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56 #include "private/qbackingstore_p.h" |
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57 #include "private/qwindowsurface_raster_p.h" |
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58 |
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59 #include "qscrollbar.h" |
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60 #include "qabstractscrollarea.h" |
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61 #include <private/qabstractscrollarea_p.h> |
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62 |
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63 #include <qdebug.h> |
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64 |
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65 #include <private/qapplication_p.h> |
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66 #include <private/qwininputcontext_p.h> |
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67 #include <private/qpaintengine_raster_p.h> |
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68 |
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69 #if defined(Q_WS_WINCE) |
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70 #include "qguifunctions_wince.h" |
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71 QT_USE_NAMESPACE |
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72 extern void qt_wince_maximize(QWidget *widget); //defined in qguifunctions_wince.cpp |
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73 extern void qt_wince_minimize(HWND hwnd); //defined in qguifunctions_wince.cpp |
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74 extern void qt_wince_full_screen(HWND hwnd, bool fullScreen, UINT swpf); //defined in qguifunctions_wince.cpp |
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75 extern bool qt_wince_is_mobile(); //defined in qguifunctions_wince.cpp |
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76 #endif |
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77 |
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78 typedef BOOL (WINAPI *PtrSetLayeredWindowAttributes)(HWND hwnd, COLORREF crKey, BYTE bAlpha, DWORD dwFlags); |
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79 static PtrSetLayeredWindowAttributes ptrSetLayeredWindowAttributes = 0; |
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80 |
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81 #ifndef QT_NO_DIRECTDRAW |
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82 #include <ddraw.h> |
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83 #include <private/qimage_p.h> |
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84 static IDirectDraw *qt_ddraw_object; |
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85 static IDirectDrawSurface *qt_ddraw_primary; |
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86 #endif |
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87 |
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88 |
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89 |
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90 #if defined(QT_NON_COMMERCIAL) |
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91 #include "qnc_win.h" |
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92 #endif |
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93 |
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94 #if !defined(WS_EX_TOOLWINDOW) |
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95 #define WS_EX_TOOLWINDOW 0x00000080 |
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96 #endif |
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97 |
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98 #if !defined(GWLP_WNDPROC) |
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99 #define GWLP_WNDPROC GWL_WNDPROC |
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100 #endif |
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101 |
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102 //#define TABLET_DEBUG |
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103 #define PACKETDATA (PK_X | PK_Y | PK_BUTTONS | PK_NORMAL_PRESSURE | PK_TANGENT_PRESSURE \ |
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104 | PK_ORIENTATION | PK_CURSOR | PK_Z) |
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105 #define PACKETMODE 0 |
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106 #include <wintab.h> |
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107 #include <pktdef.h> |
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108 |
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109 QT_BEGIN_NAMESPACE |
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110 |
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111 typedef HCTX (API *PtrWTOpen)(HWND, LPLOGCONTEXT, BOOL); |
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112 typedef BOOL (API *PtrWTClose)(HCTX); |
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113 typedef UINT (API *PtrWTInfo)(UINT, UINT, LPVOID); |
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114 typedef BOOL (API *PtrWTEnable)(HCTX, BOOL); |
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115 typedef BOOL (API *PtrWTOverlap)(HCTX, BOOL); |
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116 typedef int (API *PtrWTPacketsGet)(HCTX, int, LPVOID); |
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117 typedef BOOL (API *PtrWTGet)(HCTX, LPLOGCONTEXT); |
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118 typedef int (API *PtrWTQueueSizeGet)(HCTX); |
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119 typedef BOOL (API *PtrWTQueueSizeSet)(HCTX, int); |
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120 |
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121 static PtrWTOpen ptrWTOpen = 0; |
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122 static PtrWTClose ptrWTClose = 0; |
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123 static PtrWTInfo ptrWTInfo = 0; |
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124 static PtrWTQueueSizeGet ptrWTQueueSizeGet = 0; |
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125 static PtrWTQueueSizeSet ptrWTQueueSizeSet = 0; |
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126 static void init_wintab_functions(); |
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127 static void qt_tablet_init(); |
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128 static void qt_tablet_cleanup(); |
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129 extern HCTX qt_tablet_context; |
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130 extern bool qt_tablet_tilt_support; |
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131 |
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132 static QWidget *qt_tablet_widget = 0; |
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133 QWidget* qt_get_tablet_widget() |
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134 { |
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135 return qt_tablet_widget; |
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136 } |
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137 |
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138 extern bool qt_is_gui_used; |
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139 static void init_wintab_functions() |
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140 { |
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141 #if defined(Q_OS_WINCE) |
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142 return; |
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143 #else |
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144 if (!qt_is_gui_used) |
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145 return; |
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146 QLibrary library(QLatin1String("wintab32")); |
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147 ptrWTOpen = (PtrWTOpen)library.resolve("WTOpenW"); |
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148 ptrWTInfo = (PtrWTInfo)library.resolve("WTInfoW"); |
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149 ptrWTClose = (PtrWTClose)library.resolve("WTClose"); |
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150 ptrWTQueueSizeGet = (PtrWTQueueSizeGet)library.resolve("WTQueueSizeGet"); |
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151 ptrWTQueueSizeSet = (PtrWTQueueSizeSet)library.resolve("WTQueueSizeSet"); |
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152 #endif // Q_OS_WINCE |
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153 } |
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154 |
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155 static void qt_tablet_init() |
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156 { |
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157 static bool firstTime = true; |
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158 if (!firstTime) |
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159 return; |
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160 firstTime = false; |
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161 qt_tablet_widget = new QWidget(0); |
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162 qt_tablet_widget->createWinId(); |
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163 qt_tablet_widget->setObjectName(QLatin1String("Qt internal tablet widget")); |
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164 LOGCONTEXT lcMine; |
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165 qAddPostRoutine(qt_tablet_cleanup); |
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166 struct tagAXIS tpOri[3]; |
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167 init_wintab_functions(); |
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168 if (ptrWTInfo && ptrWTOpen && ptrWTQueueSizeGet && ptrWTQueueSizeSet) { |
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169 // make sure we have WinTab |
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170 if (!ptrWTInfo(0, 0, NULL)) { |
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171 #ifdef TABLET_DEBUG |
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172 qWarning("QWidget: Wintab services not available"); |
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173 #endif |
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174 return; |
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175 } |
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176 |
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177 // some tablets don't support tilt, check if it is possible, |
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178 qt_tablet_tilt_support = ptrWTInfo(WTI_DEVICES, DVC_ORIENTATION, &tpOri); |
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179 if (qt_tablet_tilt_support) { |
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180 // check for azimuth and altitude |
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181 qt_tablet_tilt_support = tpOri[0].axResolution && tpOri[1].axResolution; |
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182 } |
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183 // build our context from the default context |
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184 ptrWTInfo(WTI_DEFSYSCTX, 0, &lcMine); |
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185 // Go for the raw coordinates, the tablet event will return good stuff |
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186 lcMine.lcOptions |= CXO_MESSAGES | CXO_CSRMESSAGES; |
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187 lcMine.lcPktData = PACKETDATA; |
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188 lcMine.lcPktMode = PACKETMODE; |
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189 lcMine.lcMoveMask = PACKETDATA; |
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190 lcMine.lcOutOrgX = 0; |
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191 lcMine.lcOutExtX = lcMine.lcInExtX; |
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192 lcMine.lcOutOrgY = 0; |
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193 lcMine.lcOutExtY = -lcMine.lcInExtY; |
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194 qt_tablet_context = ptrWTOpen(qt_tablet_widget->winId(), &lcMine, true); |
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195 #ifdef TABLET_DEBUG |
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196 qDebug("Tablet is %p", qt_tablet_context); |
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197 #endif |
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198 if (!qt_tablet_context) { |
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199 #ifdef TABLET_DEBUG |
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200 qWarning("QWidget: Failed to open the tablet"); |
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201 #endif |
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202 return; |
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203 } |
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204 // Set the size of the Packet Queue to the correct size... |
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205 int currSize = ptrWTQueueSizeGet(qt_tablet_context); |
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206 if (!ptrWTQueueSizeSet(qt_tablet_context, QT_TABLET_NPACKETQSIZE)) { |
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207 // Ideally one might want to use a smaller |
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208 // multiple, but for now, since we managed to destroy |
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209 // the existing Q with the previous call, set it back |
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210 // to the other size, which should work. If not, |
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211 // there will be trouble. |
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212 if (!ptrWTQueueSizeSet(qt_tablet_context, currSize)) { |
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213 Q_ASSERT_X(0, "Qt::Internal", "There is no packet queue for" |
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214 " the tablet. The tablet will not work"); |
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215 } |
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216 } |
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217 } |
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218 } |
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219 |
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220 static void qt_tablet_cleanup() |
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221 { |
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222 if (ptrWTClose) |
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223 ptrWTClose(qt_tablet_context); |
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224 delete qt_tablet_widget; |
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225 qt_tablet_widget = 0; |
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226 } |
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227 |
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228 const QString qt_reg_winclass(QWidget *w); // defined in qapplication_win.cpp |
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229 |
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230 #ifndef QT_NO_DRAGANDDROP |
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231 void qt_olednd_unregister(QWidget* widget, QOleDropTarget *dst); // dnd_win |
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232 QOleDropTarget* qt_olednd_register(QWidget* widget); |
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233 #endif |
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234 |
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235 extern bool qt_nograb(); |
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236 extern HRGN qt_win_bitmapToRegion(const QBitmap& bitmap); |
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237 |
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238 static QWidget *mouseGrb = 0; |
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239 static QCursor *mouseGrbCur = 0; |
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240 static QWidget *keyboardGrb = 0; |
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241 static HHOOK journalRec = 0; |
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242 |
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243 extern "C" LRESULT CALLBACK QtWndProc(HWND, UINT, WPARAM, LPARAM); |
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244 |
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245 #define XCOORD_MAX 16383 |
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246 #define WRECT_MAX 16383 |
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247 |
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248 /***************************************************************************** |
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249 QWidget member functions |
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250 *****************************************************************************/ |
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251 |
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252 #ifndef Q_WS_WINCE |
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253 void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyOldWindow) |
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254 { |
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255 Q_Q(QWidget); |
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256 static int sw = -1, sh = -1; |
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257 |
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258 Qt::WindowType type = q->windowType(); |
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259 Qt::WindowFlags flags = data.window_flags; |
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260 |
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261 bool topLevel = (flags & Qt::Window); |
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262 bool popup = (type == Qt::Popup); |
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263 bool dialog = (type == Qt::Dialog |
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264 || type == Qt::Sheet |
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265 || (flags & Qt::MSWindowsFixedSizeDialogHint)); |
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266 bool desktop = (type == Qt::Desktop); |
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267 bool tool = (type == Qt::Tool || type == Qt::Drawer); |
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268 |
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269 HINSTANCE appinst = qWinAppInst(); |
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270 HWND parentw, destroyw = 0; |
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271 WId id = 0; |
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272 |
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273 QString windowClassName = qt_reg_winclass(q); |
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274 |
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275 if (!window) // always initialize |
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276 initializeWindow = true; |
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277 |
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278 if (popup) |
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279 flags |= Qt::WindowStaysOnTopHint; // a popup stays on top |
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280 |
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281 if (sw < 0) { // get the (primary) screen size |
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282 sw = GetSystemMetrics(SM_CXSCREEN); |
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283 sh = GetSystemMetrics(SM_CYSCREEN); |
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284 } |
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285 |
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286 if (desktop && !q->testAttribute(Qt::WA_DontShowOnScreen)) { // desktop widget |
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287 popup = false; // force this flags off |
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288 data.crect.setRect(GetSystemMetrics(76 /* SM_XVIRTUALSCREEN */), GetSystemMetrics(77 /* SM_YVIRTUALSCREEN */), |
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289 GetSystemMetrics(78 /* SM_CXVIRTUALSCREEN */), GetSystemMetrics(79 /* SM_CYVIRTUALSCREEN */)); |
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290 } |
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291 |
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292 parentw = q->parentWidget() ? q->parentWidget()->effectiveWinId() : 0; |
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293 |
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294 QString title; |
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295 int style = WS_CHILD; |
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296 int exsty = 0; |
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297 |
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298 if (window) { |
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299 style = GetWindowLong(window, GWL_STYLE); |
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300 if (!style) |
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301 qErrnoWarning("QWidget::create: GetWindowLong failed"); |
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302 topLevel = false; // #### needed for some IE plugins?? |
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303 } else if (popup || (type == Qt::ToolTip) || (type == Qt::SplashScreen)) { |
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304 style = WS_POPUP; |
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305 } else if (topLevel && !desktop) { |
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306 if (flags & Qt::FramelessWindowHint) |
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307 style = WS_POPUP; // no border |
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308 else if (flags & Qt::WindowTitleHint) |
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309 style = WS_OVERLAPPED; |
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310 else |
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311 style = 0; |
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312 } |
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313 if (!desktop) { |
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314 // if (!testAttribute(Qt::WA_PaintUnclipped)) |
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315 // ### Commented out for now as it causes some problems, but |
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316 // this should be correct anyway, so dig some more into this |
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317 #ifndef Q_FLATTEN_EXPOSE |
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318 style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN ; |
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319 #endif |
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320 if (topLevel) { |
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321 if ((type == Qt::Window || dialog || tool)) { |
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322 if (!(flags & Qt::FramelessWindowHint)) { |
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323 if (!(flags & Qt::MSWindowsFixedSizeDialogHint)) { |
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324 style |= WS_THICKFRAME; |
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325 if(!(flags & |
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326 ( Qt::WindowSystemMenuHint |
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327 | Qt::WindowTitleHint |
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328 | Qt::WindowMinMaxButtonsHint |
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329 | Qt::WindowCloseButtonHint |
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330 | Qt::WindowContextHelpButtonHint))) |
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331 style |= WS_POPUP; |
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332 } else { |
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333 style |= WS_POPUP | WS_DLGFRAME; |
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334 } |
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335 } |
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336 if (flags & Qt::WindowTitleHint) |
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337 style |= WS_CAPTION; |
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338 if (flags & Qt::WindowSystemMenuHint) |
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339 style |= WS_SYSMENU; |
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340 if (flags & Qt::WindowMinimizeButtonHint) |
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341 style |= WS_MINIMIZEBOX; |
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342 if (shouldShowMaximizeButton()) |
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343 style |= WS_MAXIMIZEBOX; |
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344 if (tool) |
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345 exsty |= WS_EX_TOOLWINDOW; |
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346 if (flags & Qt::WindowContextHelpButtonHint) |
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347 exsty |= WS_EX_CONTEXTHELP; |
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348 } else { |
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349 exsty |= WS_EX_TOOLWINDOW; |
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350 } |
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351 } |
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352 } |
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353 |
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354 if (flags & Qt::WindowTitleHint) { |
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355 title = q->isWindow() ? qAppName() : q->objectName(); |
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356 } |
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357 |
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358 // The Qt::WA_WState_Created flag is checked by translateConfigEvent() in |
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359 // qapplication_win.cpp. We switch it off temporarily to avoid move |
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360 // and resize events during creationt |
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361 q->setAttribute(Qt::WA_WState_Created, false); |
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362 |
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363 if (window) { // override the old window |
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364 if (destroyOldWindow) |
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365 destroyw = data.winid; |
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366 id = window; |
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367 setWinId(window); |
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368 LONG res = SetWindowLong(window, GWL_STYLE, style); |
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369 if (!res) |
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370 qErrnoWarning("QWidget::create: Failed to set window style"); |
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371 #ifdef _WIN64 |
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372 res = SetWindowLongPtr( window, GWLP_WNDPROC, (LONG_PTR)QtWndProc ); |
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373 #else |
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374 res = SetWindowLong( window, GWL_WNDPROC, (LONG)QtWndProc ); |
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375 #endif |
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376 if (!res) |
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377 qErrnoWarning("QWidget::create: Failed to set window procedure"); |
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378 } else if (desktop) { // desktop widget |
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379 id = GetDesktopWindow(); |
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380 // QWidget *otherDesktop = QWidget::find(id); // is there another desktop? |
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381 // if (otherDesktop && otherDesktop->testWFlags(Qt::WPaintDesktop)) { |
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382 // otherDesktop->d_func()->setWinId(0); // remove id from widget mapper |
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383 // d->setWinId(id); // make sure otherDesktop is |
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384 // otherDesktop->d_func()->setWinId(id); // found first |
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385 // } else { |
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386 setWinId(id); |
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387 // } |
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388 } else if (topLevel) { // create top-level widget |
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389 if (popup) |
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390 parentw = 0; |
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391 |
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392 const bool wasMoved = q->testAttribute(Qt::WA_Moved); |
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393 int x = wasMoved ? data.crect.left() : CW_USEDEFAULT; |
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394 int y = wasMoved ? data.crect.top() : CW_USEDEFAULT; |
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395 int w = CW_USEDEFAULT; |
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396 int h = CW_USEDEFAULT; |
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397 |
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398 // Adjust for framestrut when needed |
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399 RECT rect = {0,0,0,0}; |
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400 bool isVisibleOnScreen = !q->testAttribute(Qt::WA_DontShowOnScreen); |
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401 if (isVisibleOnScreen && AdjustWindowRectEx(&rect, style & ~WS_OVERLAPPED, FALSE, exsty)) { |
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402 QTLWExtra *td = maybeTopData(); |
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403 if (wasMoved && (td && !td->posFromMove)) { |
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404 x = data.crect.x() + rect.left; |
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405 y = data.crect.y() + rect.top; |
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406 } |
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407 |
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408 if (q->testAttribute(Qt::WA_Resized)) { |
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409 w = data.crect.width() + (rect.right - rect.left); |
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410 h = data.crect.height() + (rect.bottom - rect.top); |
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411 } |
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412 } |
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413 //update position & initial size of POPUP window |
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414 if (isVisibleOnScreen && topLevel && initializeWindow && (style & WS_POPUP)) { |
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415 if (!q->testAttribute(Qt::WA_Resized)) { |
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416 w = sw/2; |
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417 h = 4*sh/10; |
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418 } |
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419 if (!wasMoved) { |
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420 x = sw/2 - w/2; |
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421 y = sh/2 - h/2; |
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422 } |
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423 } |
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424 |
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425 id = CreateWindowEx(exsty, reinterpret_cast<const wchar_t *>(windowClassName.utf16()), |
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426 reinterpret_cast<const wchar_t *>(title.utf16()), style, |
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427 x, y, w, h, |
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428 parentw, NULL, appinst, NULL); |
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429 if (!id) |
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430 qErrnoWarning("QWidget::create: Failed to create window"); |
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431 setWinId(id); |
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432 if ((flags & Qt::WindowStaysOnTopHint) || (type == Qt::ToolTip)) { |
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433 SetWindowPos(id, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
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434 if (flags & Qt::WindowStaysOnBottomHint) |
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435 qWarning() << "QWidget: Incompatible window flags: the window can't be on top and on bottom at the same time"; |
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436 } else if (flags & Qt::WindowStaysOnBottomHint) |
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437 SetWindowPos(id, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
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438 winUpdateIsOpaque(); |
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439 } else if (q->testAttribute(Qt::WA_NativeWindow) || paintOnScreen()) { // create child widget |
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440 id = CreateWindowEx(exsty, reinterpret_cast<const wchar_t *>(windowClassName.utf16()), |
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441 reinterpret_cast<const wchar_t *>(title.utf16()), style, |
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442 data.crect.left(), data.crect.top(), data.crect.width(), data.crect.height(), |
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443 parentw, NULL, appinst, NULL); |
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444 if (!id) |
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445 qErrnoWarning("QWidget::create: Failed to create window"); |
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446 SetWindowPos(id, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE); |
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447 setWinId(id); |
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448 } |
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449 |
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450 if (desktop) { |
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451 q->setAttribute(Qt::WA_WState_Visible); |
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452 } else if (topLevel && !q->testAttribute(Qt::WA_DontShowOnScreen)) { |
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453 RECT cr; |
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454 GetClientRect(id, &cr); |
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455 // one cannot trust cr.left and cr.top, use a correction POINT instead |
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456 POINT pt; |
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457 pt.x = 0; |
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458 pt.y = 0; |
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459 ClientToScreen(id, &pt); |
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460 |
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461 if (data.crect.width() == 0 || data.crect.height() == 0) { |
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462 data.crect = QRect(pt.x, pt.y, data.crect.width(), data.crect.height()); |
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463 } else { |
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464 data.crect = QRect(QPoint(pt.x, pt.y), |
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465 QPoint(pt.x + cr.right - 1, pt.y + cr.bottom - 1)); |
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466 } |
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467 |
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468 if (data.fstrut_dirty) { |
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469 // be nice to activeqt |
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470 updateFrameStrut(); |
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471 } |
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472 } |
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473 |
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474 if (topLevel) { |
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475 if (data.window_flags & Qt::CustomizeWindowHint |
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476 && data.window_flags & Qt::WindowTitleHint) { |
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477 HMENU systemMenu = GetSystemMenu((HWND)q->internalWinId(), FALSE); |
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478 if (data.window_flags & Qt::WindowCloseButtonHint) |
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479 EnableMenuItem(systemMenu, SC_CLOSE, MF_BYCOMMAND|MF_ENABLED); |
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480 else |
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481 EnableMenuItem(systemMenu, SC_CLOSE, MF_BYCOMMAND|MF_GRAYED); |
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482 } |
|
483 } |
|
484 |
|
485 q->setAttribute(Qt::WA_WState_Created); // accept move/resize events |
|
486 hd = 0; // no display context |
|
487 |
|
488 if (q->testAttribute(Qt::WA_AcceptTouchEvents)) |
|
489 registerTouchWindow(); |
|
490 |
|
491 if (window) { // got window from outside |
|
492 if (IsWindowVisible(window)) |
|
493 q->setAttribute(Qt::WA_WState_Visible); |
|
494 else |
|
495 q->setAttribute(Qt::WA_WState_Visible, false); |
|
496 } |
|
497 |
|
498 if (extra && !extra->mask.isEmpty()) |
|
499 setMask_sys(extra->mask); |
|
500 |
|
501 #if defined(QT_NON_COMMERCIAL) |
|
502 QT_NC_WIDGET_CREATE |
|
503 #endif |
|
504 |
|
505 if (q->hasFocus() && q->testAttribute(Qt::WA_InputMethodEnabled)) |
|
506 q->inputContext()->setFocusWidget(q); |
|
507 |
|
508 if (destroyw) { |
|
509 DestroyWindow(destroyw); |
|
510 } |
|
511 |
|
512 if (q != qt_tablet_widget && QWidgetPrivate::mapper) |
|
513 qt_tablet_init(); |
|
514 |
|
515 if (q->testAttribute(Qt::WA_DropSiteRegistered)) |
|
516 registerDropSite(true); |
|
517 |
|
518 if (maybeTopData() && maybeTopData()->opacity != 255) |
|
519 q->setWindowOpacity(maybeTopData()->opacity/255.); |
|
520 |
|
521 if (topLevel && (data.crect.width() == 0 || data.crect.height() == 0)) { |
|
522 q->setAttribute(Qt::WA_OutsideWSRange, true); |
|
523 } |
|
524 |
|
525 if (!topLevel && q->testAttribute(Qt::WA_NativeWindow) && q->testAttribute(Qt::WA_Mapped)) { |
|
526 Q_ASSERT(q->internalWinId()); |
|
527 ShowWindow(q->internalWinId(), SW_SHOW); |
|
528 } |
|
529 } |
|
530 |
|
531 #endif //Q_WS_WINCE |
|
532 |
|
533 |
|
534 void QWidget::destroy(bool destroyWindow, bool destroySubWindows) |
|
535 { |
|
536 Q_D(QWidget); |
|
537 if (!isWindow() && parentWidget()) |
|
538 parentWidget()->d_func()->invalidateBuffer(d->effectiveRectFor(geometry())); |
|
539 d->deactivateWidgetCleanup(); |
|
540 if (testAttribute(Qt::WA_WState_Created)) { |
|
541 setAttribute(Qt::WA_WState_Created, false); |
|
542 for(int i = 0; i < d->children.size(); ++i) { // destroy all widget children |
|
543 register QObject *obj = d->children.at(i); |
|
544 if (obj->isWidgetType()) |
|
545 ((QWidget*)obj)->destroy(destroySubWindows, |
|
546 destroySubWindows); |
|
547 } |
|
548 if (mouseGrb == this) |
|
549 releaseMouse(); |
|
550 if (keyboardGrb == this) |
|
551 releaseKeyboard(); |
|
552 if (testAttribute(Qt::WA_ShowModal)) // just be sure we leave modal |
|
553 QApplicationPrivate::leaveModal(this); |
|
554 else if ((windowType() == Qt::Popup)) |
|
555 qApp->d_func()->closePopup(this); |
|
556 if (destroyWindow && !(windowType() == Qt::Desktop) && internalWinId()) { |
|
557 DestroyWindow(internalWinId()); |
|
558 } |
|
559 #ifdef Q_WS_WINCE |
|
560 if (destroyWindow && (windowType() == Qt::Desktop) && !GetDesktopWindow()) { |
|
561 DestroyWindow(internalWinId()); |
|
562 } |
|
563 |
|
564 #endif |
|
565 QT_TRY { |
|
566 d->setWinId(0); |
|
567 } QT_CATCH (const std::bad_alloc &) { |
|
568 // swallow - destructors must not throw |
|
569 } |
|
570 } |
|
571 } |
|
572 |
|
573 void QWidgetPrivate::reparentChildren() |
|
574 { |
|
575 Q_Q(QWidget); |
|
576 QObjectList chlist = q->children(); |
|
577 for(int i = 0; i < chlist.size(); ++i) { // reparent children |
|
578 QObject *obj = chlist.at(i); |
|
579 if (obj->isWidgetType()) { |
|
580 QWidget *w = (QWidget *)obj; |
|
581 if ((w->windowType() == Qt::Popup)) { |
|
582 ; |
|
583 } else if (w->isWindow()) { |
|
584 bool showIt = w->isVisible(); |
|
585 QPoint old_pos = w->pos(); |
|
586 w->setParent(q, w->windowFlags()); |
|
587 w->move(old_pos); |
|
588 if (showIt) |
|
589 w->show(); |
|
590 } else { |
|
591 w->d_func()->invalidateBuffer(w->rect()); |
|
592 SetParent(w->effectiveWinId(), q->effectiveWinId()); |
|
593 w->d_func()->reparentChildren(); |
|
594 } |
|
595 } |
|
596 } |
|
597 } |
|
598 |
|
599 void QWidgetPrivate::setParent_sys(QWidget *parent, Qt::WindowFlags f) |
|
600 { |
|
601 Q_Q(QWidget); |
|
602 bool wasCreated = q->testAttribute(Qt::WA_WState_Created); |
|
603 if (q->isVisible() && q->parentWidget() && parent != q->parentWidget()) |
|
604 q->parentWidget()->d_func()->invalidateBuffer(effectiveRectFor(q->geometry())); |
|
605 |
|
606 WId old_winid = data.winid; |
|
607 // hide and reparent our own window away. Otherwise we might get |
|
608 // destroyed when emitting the child remove event below. See QWorkspace. |
|
609 if (q->isVisible() && data.winid) { |
|
610 ShowWindow(data.winid, SW_HIDE); |
|
611 SetParent(data.winid, 0); |
|
612 } |
|
613 bool dropSiteWasRegistered = false; |
|
614 if (q->testAttribute(Qt::WA_DropSiteRegistered)) { |
|
615 dropSiteWasRegistered = true; |
|
616 q->setAttribute(Qt::WA_DropSiteRegistered, false); // ole dnd unregister (we will register again below) |
|
617 } |
|
618 |
|
619 if ((q->windowType() == Qt::Desktop)) |
|
620 old_winid = 0; |
|
621 setWinId(0); |
|
622 |
|
623 QObjectPrivate::setParent_helper(parent); |
|
624 bool explicitlyHidden = q->testAttribute(Qt::WA_WState_Hidden) && q->testAttribute(Qt::WA_WState_ExplicitShowHide); |
|
625 |
|
626 data.window_flags = f; |
|
627 data.fstrut_dirty = true; |
|
628 q->setAttribute(Qt::WA_WState_Created, false); |
|
629 q->setAttribute(Qt::WA_WState_Visible, false); |
|
630 q->setAttribute(Qt::WA_WState_Hidden, false); |
|
631 adjustFlags(data.window_flags, q); |
|
632 // keep compatibility with previous versions, we need to preserve the created state |
|
633 // (but we recreate the winId for the widget being reparented, again for compatibility) |
|
634 if (wasCreated || (!q->isWindow() && parent->testAttribute(Qt::WA_WState_Created))) |
|
635 createWinId(); |
|
636 if (q->isWindow() || (!parent || parent->isVisible()) || explicitlyHidden) |
|
637 q->setAttribute(Qt::WA_WState_Hidden); |
|
638 q->setAttribute(Qt::WA_WState_ExplicitShowHide, explicitlyHidden); |
|
639 |
|
640 if (wasCreated) { |
|
641 reparentChildren(); |
|
642 } |
|
643 |
|
644 if (extra && !extra->mask.isEmpty()) { |
|
645 QRegion r = extra->mask; |
|
646 extra->mask = QRegion(); |
|
647 q->setMask(r); |
|
648 } |
|
649 if (extra && extra->topextra && !extra->topextra->caption.isEmpty()) { |
|
650 setWindowIcon_sys(true); |
|
651 setWindowTitle_helper(extra->topextra->caption); |
|
652 } |
|
653 if (old_winid) |
|
654 DestroyWindow(old_winid); |
|
655 |
|
656 if (q->testAttribute(Qt::WA_AcceptDrops) || dropSiteWasRegistered |
|
657 || (!q->isWindow() && q->parentWidget() && q->parentWidget()->testAttribute(Qt::WA_DropSiteRegistered))) |
|
658 q->setAttribute(Qt::WA_DropSiteRegistered, true); |
|
659 |
|
660 #ifdef Q_WS_WINCE |
|
661 // Show borderless toplevel windows in tasklist & NavBar |
|
662 if (!parent) { |
|
663 QString txt = q->windowTitle().isEmpty()?qAppName():q->windowTitle(); |
|
664 SetWindowText(q->internalWinId(), (wchar_t*)txt.utf16()); |
|
665 } |
|
666 #endif |
|
667 invalidateBuffer(q->rect()); |
|
668 } |
|
669 |
|
670 |
|
671 QPoint QWidget::mapToGlobal(const QPoint &pos) const |
|
672 { |
|
673 Q_D(const QWidget); |
|
674 QWidget *parentWindow = window(); |
|
675 QWExtra *extra = parentWindow->d_func()->extra; |
|
676 if (!isVisible() || parentWindow->isMinimized() || !testAttribute(Qt::WA_WState_Created) || !internalWinId() |
|
677 || (extra && extra->proxyWidget)) { |
|
678 if (extra && extra->topextra && extra->topextra->embedded) { |
|
679 QPoint pt = mapTo(parentWindow, pos); |
|
680 POINT p = {pt.x(), pt.y()}; |
|
681 ClientToScreen(parentWindow->effectiveWinId(), &p); |
|
682 return QPoint(p.x, p.y); |
|
683 } else { |
|
684 QPoint toGlobal = mapTo(parentWindow, pos) + parentWindow->pos(); |
|
685 // Adjust for window decorations |
|
686 toGlobal += parentWindow->geometry().topLeft() - parentWindow->frameGeometry().topLeft(); |
|
687 return toGlobal; |
|
688 } |
|
689 } |
|
690 POINT p; |
|
691 QPoint tmp = d->mapToWS(pos); |
|
692 p.x = tmp.x(); |
|
693 p.y = tmp.y(); |
|
694 ClientToScreen(internalWinId(), &p); |
|
695 return QPoint(p.x, p.y); |
|
696 } |
|
697 |
|
698 QPoint QWidget::mapFromGlobal(const QPoint &pos) const |
|
699 { |
|
700 Q_D(const QWidget); |
|
701 QWidget *parentWindow = window(); |
|
702 QWExtra *extra = parentWindow->d_func()->extra; |
|
703 if (!isVisible() || parentWindow->isMinimized() || !testAttribute(Qt::WA_WState_Created) || !internalWinId() |
|
704 || (extra && extra->proxyWidget)) { |
|
705 if (extra && extra->topextra && extra->topextra->embedded) { |
|
706 POINT p = {pos.x(), pos.y()}; |
|
707 ScreenToClient(parentWindow->effectiveWinId(), &p); |
|
708 return mapFrom(parentWindow, QPoint(p.x, p.y)); |
|
709 } else { |
|
710 QPoint fromGlobal = mapFrom(parentWindow, pos - parentWindow->pos()); |
|
711 // Adjust for window decorations |
|
712 fromGlobal -= parentWindow->geometry().topLeft() - parentWindow->frameGeometry().topLeft(); |
|
713 return fromGlobal; |
|
714 } |
|
715 } |
|
716 POINT p; |
|
717 p.x = pos.x(); |
|
718 p.y = pos.y(); |
|
719 ScreenToClient(internalWinId(), &p); |
|
720 return d->mapFromWS(QPoint(p.x, p.y)); |
|
721 } |
|
722 |
|
723 void QWidgetPrivate::updateSystemBackground() {} |
|
724 |
|
725 #ifndef QT_NO_CURSOR |
|
726 void QWidgetPrivate::setCursor_sys(const QCursor &cursor) |
|
727 { |
|
728 Q_UNUSED(cursor); |
|
729 Q_Q(QWidget); |
|
730 qt_win_set_cursor(q, false); |
|
731 } |
|
732 |
|
733 void QWidgetPrivate::unsetCursor_sys() |
|
734 { |
|
735 Q_Q(QWidget); |
|
736 qt_win_set_cursor(q, false); |
|
737 } |
|
738 #endif |
|
739 |
|
740 void QWidgetPrivate::setWindowTitle_sys(const QString &caption) |
|
741 { |
|
742 Q_Q(QWidget); |
|
743 if (!q->isWindow()) |
|
744 return; |
|
745 |
|
746 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
747 SetWindowText(q->internalWinId(), (wchar_t*)caption.utf16()); |
|
748 } |
|
749 |
|
750 HICON qt_createIcon(QIcon icon, int xSize, int ySize, QPixmap **cache) |
|
751 { |
|
752 HICON result = 0; |
|
753 if (!icon.isNull()) { // valid icon |
|
754 QSize size = icon.actualSize(QSize(xSize, ySize)); |
|
755 QPixmap pm = icon.pixmap(size); |
|
756 if (pm.isNull()) |
|
757 return 0; |
|
758 |
|
759 result = pm.toWinHICON(); |
|
760 |
|
761 if (cache) { |
|
762 delete *cache; |
|
763 *cache = new QPixmap(pm);; |
|
764 } |
|
765 } |
|
766 return result; |
|
767 } |
|
768 |
|
769 void QWidgetPrivate::setWindowIcon_sys(bool forceReset) |
|
770 { |
|
771 Q_Q(QWidget); |
|
772 if (!q->testAttribute(Qt::WA_WState_Created) || !q->isWindow()) |
|
773 return; |
|
774 QTLWExtra* x = topData(); |
|
775 if (x->iconPixmap && !forceReset) |
|
776 // already been set |
|
777 return; |
|
778 |
|
779 if (x->winIconBig) { |
|
780 DestroyIcon(x->winIconBig); |
|
781 x->winIconBig = 0; |
|
782 } |
|
783 if (x->winIconSmall) { |
|
784 DestroyIcon(x->winIconSmall); |
|
785 x->winIconSmall = 0; |
|
786 } |
|
787 |
|
788 x->winIconSmall = qt_createIcon(q->windowIcon(), |
|
789 GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), |
|
790 &(x->iconPixmap)); |
|
791 x->winIconBig = qt_createIcon(q->windowIcon(), |
|
792 GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), |
|
793 &(x->iconPixmap)); |
|
794 if (x->winIconBig) { |
|
795 SendMessage(q->internalWinId(), WM_SETICON, 0 /* ICON_SMALL */, (LPARAM)x->winIconSmall); |
|
796 SendMessage(q->internalWinId(), WM_SETICON, 1 /* ICON_BIG */, (LPARAM)x->winIconBig); |
|
797 } else { |
|
798 SendMessage(q->internalWinId(), WM_SETICON, 0 /* ICON_SMALL */, (LPARAM)x->winIconSmall); |
|
799 SendMessage(q->internalWinId(), WM_SETICON, 1 /* ICON_BIG */, (LPARAM)x->winIconSmall); |
|
800 } |
|
801 } |
|
802 |
|
803 |
|
804 void QWidgetPrivate::setWindowIconText_sys(const QString &iconText) |
|
805 { |
|
806 Q_UNUSED(iconText); |
|
807 } |
|
808 |
|
809 |
|
810 QCursor *qt_grab_cursor() |
|
811 { |
|
812 return mouseGrbCur; |
|
813 } |
|
814 |
|
815 // The procedure does nothing, but is required for mousegrabbing to work |
|
816 #ifndef Q_WS_WINCE |
|
817 LRESULT CALLBACK qJournalRecordProc(int nCode, WPARAM wParam, LPARAM lParam) |
|
818 { |
|
819 return CallNextHookEx(journalRec, nCode, wParam, lParam); |
|
820 } |
|
821 #endif //Q_WS_WINCE |
|
822 |
|
823 /* Works only as long as pointer is inside the application's window, |
|
824 which is good enough for QDockWidget. |
|
825 |
|
826 Doesn't call SetWindowsHookEx() - this function causes a system-wide |
|
827 freeze if any other app on the system installs a hook and fails to |
|
828 process events. */ |
|
829 void QWidgetPrivate::grabMouseWhileInWindow() |
|
830 { |
|
831 Q_Q(QWidget); |
|
832 if (!qt_nograb()) { |
|
833 if (mouseGrb) |
|
834 mouseGrb->releaseMouse(); |
|
835 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
836 SetCapture(q->effectiveWinId()); |
|
837 mouseGrb = q; |
|
838 #ifndef QT_NO_CURSOR |
|
839 mouseGrbCur = new QCursor(mouseGrb->cursor()); |
|
840 #endif |
|
841 } |
|
842 } |
|
843 |
|
844 #ifndef Q_WS_WINCE |
|
845 void QWidget::grabMouse() |
|
846 { |
|
847 if (!qt_nograb()) { |
|
848 if (mouseGrb) |
|
849 mouseGrb->releaseMouse(); |
|
850 journalRec = SetWindowsHookEx(WH_JOURNALRECORD, (HOOKPROC)qJournalRecordProc, GetModuleHandle(0), 0); |
|
851 Q_ASSERT(testAttribute(Qt::WA_WState_Created)); |
|
852 SetCapture(effectiveWinId()); |
|
853 mouseGrb = this; |
|
854 mouseGrbCur = new QCursor(mouseGrb->cursor()); |
|
855 } |
|
856 } |
|
857 |
|
858 void QWidget::grabMouse(const QCursor &cursor) |
|
859 { |
|
860 if (!qt_nograb()) { |
|
861 if (mouseGrb) |
|
862 mouseGrb->releaseMouse(); |
|
863 journalRec = SetWindowsHookEx(WH_JOURNALRECORD, (HOOKPROC)qJournalRecordProc, GetModuleHandle(0), 0); |
|
864 Q_ASSERT(testAttribute(Qt::WA_WState_Created)); |
|
865 SetCapture(effectiveWinId()); |
|
866 mouseGrbCur = new QCursor(cursor); |
|
867 SetCursor(mouseGrbCur->handle()); |
|
868 mouseGrb = this; |
|
869 } |
|
870 } |
|
871 |
|
872 void QWidget::releaseMouse() |
|
873 { |
|
874 if (!qt_nograb() && mouseGrb == this) { |
|
875 ReleaseCapture(); |
|
876 if (journalRec) { |
|
877 UnhookWindowsHookEx(journalRec); |
|
878 journalRec = 0; |
|
879 } |
|
880 if (mouseGrbCur) { |
|
881 delete mouseGrbCur; |
|
882 mouseGrbCur = 0; |
|
883 } |
|
884 mouseGrb = 0; |
|
885 } |
|
886 } |
|
887 #endif |
|
888 |
|
889 void QWidget::grabKeyboard() |
|
890 { |
|
891 if (!qt_nograb()) { |
|
892 if (keyboardGrb) |
|
893 keyboardGrb->releaseKeyboard(); |
|
894 keyboardGrb = this; |
|
895 } |
|
896 } |
|
897 |
|
898 void QWidget::releaseKeyboard() |
|
899 { |
|
900 if (!qt_nograb() && keyboardGrb == this) |
|
901 keyboardGrb = 0; |
|
902 } |
|
903 |
|
904 |
|
905 QWidget *QWidget::mouseGrabber() |
|
906 { |
|
907 return mouseGrb; |
|
908 } |
|
909 |
|
910 QWidget *QWidget::keyboardGrabber() |
|
911 { |
|
912 return keyboardGrb; |
|
913 } |
|
914 |
|
915 void QWidget::activateWindow() |
|
916 { |
|
917 window()->createWinId(); |
|
918 SetForegroundWindow(window()->internalWinId()); |
|
919 } |
|
920 |
|
921 #ifndef Q_WS_WINCE |
|
922 void QWidget::setWindowState(Qt::WindowStates newstate) |
|
923 { |
|
924 Q_D(QWidget); |
|
925 Qt::WindowStates oldstate = windowState(); |
|
926 if (oldstate == newstate) |
|
927 return; |
|
928 |
|
929 int max = SW_MAXIMIZE; |
|
930 int min = SW_MINIMIZE; |
|
931 |
|
932 int normal = SW_SHOWNOACTIVATE; |
|
933 if (newstate & Qt::WindowActive) { |
|
934 max = SW_SHOWMAXIMIZED; |
|
935 min = SW_SHOWMINIMIZED; |
|
936 normal = SW_SHOWNORMAL; |
|
937 } |
|
938 |
|
939 if (isWindow()) { |
|
940 createWinId(); |
|
941 Q_ASSERT(testAttribute(Qt::WA_WState_Created)); |
|
942 |
|
943 // Ensure the initial size is valid, since we store it as normalGeometry below. |
|
944 if (!testAttribute(Qt::WA_Resized) && !isVisible()) |
|
945 adjustSize(); |
|
946 |
|
947 if ((oldstate & Qt::WindowMaximized) != (newstate & Qt::WindowMaximized)) { |
|
948 if (newstate & Qt::WindowMaximized && !(oldstate & Qt::WindowFullScreen)) |
|
949 d->topData()->normalGeometry = geometry(); |
|
950 if (isVisible() && !(newstate & Qt::WindowMinimized)) { |
|
951 ShowWindow(internalWinId(), (newstate & Qt::WindowMaximized) ? max : normal); |
|
952 if (!(newstate & Qt::WindowFullScreen)) { |
|
953 QRect r = d->topData()->normalGeometry; |
|
954 if (!(newstate & Qt::WindowMaximized) && r.width() >= 0) { |
|
955 if (pos() != r.topLeft() || size() !=r.size()) { |
|
956 d->topData()->normalGeometry = QRect(0,0,-1,-1); |
|
957 setGeometry(r); |
|
958 } |
|
959 } |
|
960 } else { |
|
961 d->updateFrameStrut(); |
|
962 } |
|
963 } |
|
964 } |
|
965 |
|
966 if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen)) { |
|
967 if (newstate & Qt::WindowFullScreen) { |
|
968 if (d->topData()->normalGeometry.width() < 0 && !(oldstate & Qt::WindowMaximized)) |
|
969 d->topData()->normalGeometry = geometry(); |
|
970 d->topData()->savedFlags = Qt::WindowFlags(GetWindowLong(internalWinId(), GWL_STYLE)); |
|
971 #ifndef Q_FLATTEN_EXPOSE |
|
972 UINT style = WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_POPUP; |
|
973 #else |
|
974 UINT style = WS_POPUP; |
|
975 #endif |
|
976 if (ulong(d->topData()->savedFlags) & WS_SYSMENU) |
|
977 style |= WS_SYSMENU; |
|
978 if (isVisible()) |
|
979 style |= WS_VISIBLE; |
|
980 SetWindowLong(internalWinId(), GWL_STYLE, style); |
|
981 QRect r = QApplication::desktop()->screenGeometry(this); |
|
982 UINT swpf = SWP_FRAMECHANGED; |
|
983 if (newstate & Qt::WindowActive) |
|
984 swpf |= SWP_NOACTIVATE; |
|
985 |
|
986 SetWindowPos(internalWinId(), HWND_TOP, r.left(), r.top(), r.width(), r.height(), swpf); |
|
987 d->updateFrameStrut(); |
|
988 } else { |
|
989 UINT style = d->topData()->savedFlags; |
|
990 if (isVisible()) |
|
991 style |= WS_VISIBLE; |
|
992 SetWindowLong(internalWinId(), GWL_STYLE, style); |
|
993 |
|
994 UINT swpf = SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOSIZE | SWP_NOMOVE; |
|
995 if (newstate & Qt::WindowActive) |
|
996 swpf |= SWP_NOACTIVATE; |
|
997 SetWindowPos(internalWinId(), 0, 0, 0, 0, 0, swpf); |
|
998 d->updateFrameStrut(); |
|
999 |
|
1000 // preserve maximized state |
|
1001 if (isVisible()) |
|
1002 ShowWindow(internalWinId(), (newstate & Qt::WindowMaximized) ? max : normal); |
|
1003 |
|
1004 if (!(newstate & Qt::WindowMaximized)) { |
|
1005 QRect r = d->topData()->normalGeometry; |
|
1006 d->topData()->normalGeometry = QRect(0,0,-1,-1); |
|
1007 if (r.isValid()) |
|
1008 setGeometry(r); |
|
1009 } |
|
1010 } |
|
1011 } |
|
1012 |
|
1013 if ((oldstate & Qt::WindowMinimized) != (newstate & Qt::WindowMinimized)) { |
|
1014 if (isVisible()) |
|
1015 ShowWindow(internalWinId(), (newstate & Qt::WindowMinimized) ? min : |
|
1016 (newstate & Qt::WindowMaximized) ? max : normal); |
|
1017 } |
|
1018 } |
|
1019 data->window_state = newstate; |
|
1020 QWindowStateChangeEvent e(oldstate); |
|
1021 QApplication::sendEvent(this, &e); |
|
1022 } |
|
1023 #endif //Q_WS_WINCE |
|
1024 |
|
1025 |
|
1026 /* |
|
1027 \internal |
|
1028 Platform-specific part of QWidget::hide(). |
|
1029 */ |
|
1030 |
|
1031 void QWidgetPrivate::hide_sys() |
|
1032 { |
|
1033 Q_Q(QWidget); |
|
1034 deactivateWidgetCleanup(); |
|
1035 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1036 #ifdef Q_WS_WINCE |
|
1037 if (!qt_wince_is_mobile() && q->isFullScreen()) { |
|
1038 HWND handle = FindWindow(L"HHTaskBar", L""); |
|
1039 if (handle) { |
|
1040 ShowWindow(handle, 1); |
|
1041 EnableWindow(handle, true); |
|
1042 } |
|
1043 } |
|
1044 #endif |
|
1045 if (q->windowFlags() != Qt::Desktop) { |
|
1046 if ((q->windowFlags() & Qt::Popup) && q->internalWinId()) |
|
1047 ShowWindow(q->internalWinId(), SW_HIDE); |
|
1048 else if (q->internalWinId()) |
|
1049 SetWindowPos(q->internalWinId(),0, 0,0,0,0, SWP_HIDEWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER); |
|
1050 } |
|
1051 if (q->isWindow()) { |
|
1052 if (QWidgetBackingStore *bs = maybeBackingStore()) |
|
1053 bs->releaseBuffer(); |
|
1054 } else { |
|
1055 invalidateBuffer(q->rect()); |
|
1056 } |
|
1057 q->setAttribute(Qt::WA_Mapped, false); |
|
1058 } |
|
1059 |
|
1060 |
|
1061 /* |
|
1062 \internal |
|
1063 Platform-specific part of QWidget::show(). |
|
1064 */ |
|
1065 #ifndef Q_WS_WINCE |
|
1066 void QWidgetPrivate::show_sys() |
|
1067 { |
|
1068 Q_Q(QWidget); |
|
1069 #if defined(QT_NON_COMMERCIAL) |
|
1070 QT_NC_SHOW_WINDOW |
|
1071 #endif |
|
1072 if (q->testAttribute(Qt::WA_OutsideWSRange)) |
|
1073 return; |
|
1074 q->setAttribute(Qt::WA_Mapped); |
|
1075 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1076 |
|
1077 if (q->testAttribute(Qt::WA_DontShowOnScreen)) { |
|
1078 invalidateBuffer(q->rect()); |
|
1079 return; |
|
1080 } |
|
1081 |
|
1082 int sm = SW_SHOWNORMAL; |
|
1083 bool fakedMaximize = false; |
|
1084 if (q->isWindow()) { |
|
1085 if (q->isMinimized()) { |
|
1086 sm = SW_SHOWMINIMIZED; |
|
1087 if (!IsWindowVisible(q->internalWinId())) |
|
1088 sm = SW_SHOWMINNOACTIVE; |
|
1089 } else if (q->isMaximized()) { |
|
1090 sm = SW_SHOWMAXIMIZED; |
|
1091 // Windows will not behave correctly when we try to maximize a window which does not |
|
1092 // have minimize nor maximize buttons in the window frame. Windows would then ignore |
|
1093 // non-available geometry, and rather maximize the widget to the full screen, minus the |
|
1094 // window frame (caption). So, we do a trick here, by adding a maximize button before |
|
1095 // maximizing the widget, and then remove the maximize button afterwards. |
|
1096 Qt::WindowFlags &flags = data.window_flags; |
|
1097 if (flags & Qt::WindowTitleHint && |
|
1098 !(flags & (Qt::WindowMinMaxButtonsHint | Qt::FramelessWindowHint))) { |
|
1099 fakedMaximize = TRUE; |
|
1100 int style = GetWindowLong(q->internalWinId(), GWL_STYLE); |
|
1101 SetWindowLong(q->internalWinId(), GWL_STYLE, style | WS_MAXIMIZEBOX); |
|
1102 } |
|
1103 } |
|
1104 } |
|
1105 if (q->testAttribute(Qt::WA_ShowWithoutActivating) |
|
1106 || (q->windowType() == Qt::Popup) |
|
1107 || (q->windowType() == Qt::ToolTip) |
|
1108 || (q->windowType() == Qt::Tool)) { |
|
1109 sm = SW_SHOWNOACTIVATE; |
|
1110 } |
|
1111 |
|
1112 |
|
1113 if (q->internalWinId()) |
|
1114 ShowWindow(q->internalWinId(), sm); |
|
1115 |
|
1116 if (fakedMaximize) { |
|
1117 int style = GetWindowLong(q->internalWinId(), GWL_STYLE); |
|
1118 SetWindowLong(q->internalWinId(), GWL_STYLE, style & ~WS_MAXIMIZEBOX); |
|
1119 SetWindowPos(q->internalWinId(), 0, 0, 0, 0, 0, |
|
1120 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER |
|
1121 | SWP_FRAMECHANGED); |
|
1122 } |
|
1123 |
|
1124 if (q->internalWinId()) { |
|
1125 if (IsIconic(q->internalWinId())) |
|
1126 data.window_state |= Qt::WindowMinimized; |
|
1127 if (IsZoomed(q->internalWinId())) |
|
1128 data.window_state |= Qt::WindowMaximized; |
|
1129 } |
|
1130 |
|
1131 winSetupGestures(); |
|
1132 |
|
1133 invalidateBuffer(q->rect()); |
|
1134 } |
|
1135 #endif //Q_WS_WINCE |
|
1136 |
|
1137 void QWidgetPrivate::setFocus_sys() |
|
1138 { |
|
1139 Q_Q(QWidget); |
|
1140 if (q->testAttribute(Qt::WA_WState_Created) && q->window()->windowType() != Qt::Popup) |
|
1141 SetFocus(q->effectiveWinId()); |
|
1142 } |
|
1143 |
|
1144 void QWidgetPrivate::raise_sys() |
|
1145 { |
|
1146 Q_Q(QWidget); |
|
1147 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1148 if (q->internalWinId()) |
|
1149 SetWindowPos(q->internalWinId(), HWND_TOP, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
|
1150 } |
|
1151 |
|
1152 void QWidgetPrivate::lower_sys() |
|
1153 { |
|
1154 Q_Q(QWidget); |
|
1155 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1156 if (q->internalWinId()) |
|
1157 SetWindowPos(q->internalWinId(), HWND_BOTTOM, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
|
1158 invalidateBuffer(q->rect()); |
|
1159 } |
|
1160 |
|
1161 void QWidgetPrivate::stackUnder_sys(QWidget* w) |
|
1162 { |
|
1163 Q_Q(QWidget); |
|
1164 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1165 if (q->internalWinId() && w->internalWinId()) |
|
1166 SetWindowPos(q->internalWinId(), w->internalWinId() , 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE); |
|
1167 invalidateBuffer(q->rect()); |
|
1168 } |
|
1169 |
|
1170 |
|
1171 /* |
|
1172 Helper function for non-toplevel widgets. Helps to map Qt's 32bit |
|
1173 coordinate system to Windpws's 16bit coordinate system. |
|
1174 |
|
1175 This code is duplicated from the X11 code, so any changes there |
|
1176 should also (most likely) be reflected here. |
|
1177 |
|
1178 (In all comments below: s/X/Windows/g) |
|
1179 */ |
|
1180 |
|
1181 void QWidgetPrivate::setWSGeometry(bool dontShow, const QRect &) |
|
1182 { |
|
1183 Q_Q(QWidget); |
|
1184 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1185 |
|
1186 /* |
|
1187 There are up to four different coordinate systems here: |
|
1188 Qt coordinate system for this widget. |
|
1189 X coordinate system for this widget (relative to wrect). |
|
1190 Qt coordinate system for parent |
|
1191 X coordinate system for parent (relative to parent's wrect). |
|
1192 */ |
|
1193 QRect validRange(-XCOORD_MAX,-XCOORD_MAX, 2*XCOORD_MAX, 2*XCOORD_MAX); |
|
1194 QRect wrectRange(-WRECT_MAX,-WRECT_MAX, 2*WRECT_MAX, 2*WRECT_MAX); |
|
1195 QRect wrect; |
|
1196 //xrect is the X geometry of my X widget. (starts out in parent's Qt coord sys, and ends up in parent's X coord sys) |
|
1197 QRect xrect = data.crect; |
|
1198 |
|
1199 const QWidget *const parent = q->parentWidget(); |
|
1200 QRect parentWRect = parent->data->wrect; |
|
1201 |
|
1202 if (parentWRect.isValid()) { |
|
1203 // parent is clipped, and we have to clip to the same limit as parent |
|
1204 if (!parentWRect.contains(xrect)) { |
|
1205 xrect &= parentWRect; |
|
1206 wrect = xrect; |
|
1207 //translate from parent's to my Qt coord sys |
|
1208 wrect.translate(-data.crect.topLeft()); |
|
1209 } |
|
1210 //translate from parent's Qt coords to parent's X coords |
|
1211 xrect.translate(-parentWRect.topLeft()); |
|
1212 |
|
1213 } else { |
|
1214 // parent is not clipped, we may or may not have to clip |
|
1215 |
|
1216 if (data.wrect.isValid() && QRect(QPoint(),data.crect.size()).contains(data.wrect)) { |
|
1217 // This is where the main optimization is: we are already |
|
1218 // clipped, and if our clip is still valid, we can just |
|
1219 // move our window, and do not need to move or clip |
|
1220 // children |
|
1221 |
|
1222 QRect vrect = xrect & parent->rect(); |
|
1223 vrect.translate(-data.crect.topLeft()); //the part of me that's visible through parent, in my Qt coords |
|
1224 if (data.wrect.contains(vrect)) { |
|
1225 xrect = data.wrect; |
|
1226 xrect.translate(data.crect.topLeft()); |
|
1227 if (q->internalWinId()) |
|
1228 MoveWindow(q->internalWinId(), xrect.x(), xrect.y(), xrect.width(), xrect.height(), true); |
|
1229 return; |
|
1230 } |
|
1231 } |
|
1232 |
|
1233 if (!validRange.contains(xrect)) { |
|
1234 // we are too big, and must clip |
|
1235 xrect &=wrectRange; |
|
1236 wrect = xrect; |
|
1237 wrect.translate(-data.crect.topLeft()); |
|
1238 //parent's X coord system is equal to parent's Qt coord |
|
1239 //sys, so we don't need to map xrect. |
|
1240 } |
|
1241 |
|
1242 } |
|
1243 |
|
1244 |
|
1245 // unmap if we are outside the valid window system coord system |
|
1246 bool outsideRange = !xrect.isValid(); |
|
1247 bool mapWindow = false; |
|
1248 if (q->testAttribute(Qt::WA_OutsideWSRange) != outsideRange) { |
|
1249 q->setAttribute(Qt::WA_OutsideWSRange, outsideRange); |
|
1250 if (outsideRange) { |
|
1251 if (q->internalWinId()) |
|
1252 ShowWindow(q->internalWinId(), SW_HIDE); |
|
1253 q->setAttribute(Qt::WA_Mapped, false); |
|
1254 } else if (!q->isHidden()) { |
|
1255 mapWindow = true; |
|
1256 } |
|
1257 } |
|
1258 |
|
1259 if (outsideRange) |
|
1260 return; |
|
1261 |
|
1262 bool jump = (data.wrect != wrect); |
|
1263 data.wrect = wrect; |
|
1264 |
|
1265 // and now recursively for all children... |
|
1266 for (int i = 0; i < children.size(); ++i) { |
|
1267 QObject *object = children.at(i); |
|
1268 if (object->isWidgetType()) { |
|
1269 QWidget *w = static_cast<QWidget *>(object); |
|
1270 if (!w->isWindow() && w->testAttribute(Qt::WA_WState_Created)) |
|
1271 w->d_func()->setWSGeometry(); |
|
1272 } |
|
1273 } |
|
1274 |
|
1275 // move ourselves to the new position and map (if necessary) after |
|
1276 // the movement. Rationale: moving unmapped windows is much faster |
|
1277 // than moving mapped windows |
|
1278 if (q->internalWinId()) { |
|
1279 if (!parent->internalWinId()) |
|
1280 xrect.translate(parent->mapTo(q->nativeParentWidget(), QPoint(0, 0))); |
|
1281 MoveWindow(q->internalWinId(), xrect.x(), xrect.y(), xrect.width(), xrect.height(), !jump); |
|
1282 } |
|
1283 if (mapWindow && !dontShow) { |
|
1284 q->setAttribute(Qt::WA_Mapped); |
|
1285 if (q->internalWinId()) |
|
1286 ShowWindow(q->internalWinId(), SW_SHOWNOACTIVATE); |
|
1287 } |
|
1288 |
|
1289 if (jump && q->internalWinId()) |
|
1290 InvalidateRect(q->internalWinId(), 0, false); |
|
1291 |
|
1292 } |
|
1293 |
|
1294 // |
|
1295 // The internal qWinRequestConfig, defined in qapplication_win.cpp, stores move, |
|
1296 // resize and setGeometry requests for a widget that is already |
|
1297 // processing a config event. The purpose is to avoid recursion. |
|
1298 // |
|
1299 void qWinRequestConfig(WId, int, int, int, int, int); |
|
1300 |
|
1301 void QWidgetPrivate::setGeometry_sys(int x, int y, int w, int h, bool isMove) |
|
1302 { |
|
1303 Q_Q(QWidget); |
|
1304 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1305 if (extra) { // any size restrictions? |
|
1306 w = qMin(w,extra->maxw); |
|
1307 h = qMin(h,extra->maxh); |
|
1308 w = qMax(w,extra->minw); |
|
1309 h = qMax(h,extra->minh); |
|
1310 } |
|
1311 if (q->isWindow()) |
|
1312 topData()->normalGeometry = QRect(0, 0, -1, -1); |
|
1313 |
|
1314 QSize oldSize(q->size()); |
|
1315 QPoint oldPos(q->pos()); |
|
1316 |
|
1317 if (!q->isWindow()) |
|
1318 isMove = (data.crect.topLeft() != QPoint(x, y)); |
|
1319 bool isResize = w != oldSize.width() || h != oldSize.height(); |
|
1320 |
|
1321 if (!isMove && !isResize) |
|
1322 return; |
|
1323 |
|
1324 if (isResize && !q->testAttribute(Qt::WA_StaticContents) && q->internalWinId()) |
|
1325 ValidateRgn(q->internalWinId(), 0); |
|
1326 |
|
1327 if (isResize) |
|
1328 data.window_state &= ~Qt::WindowMaximized; |
|
1329 |
|
1330 if (data.window_state & Qt::WindowFullScreen) { |
|
1331 QTLWExtra *top = topData(); |
|
1332 |
|
1333 if (q->isWindow()) { |
|
1334 // We need to update these flags when we remove the full screen state |
|
1335 // or the frame will not be updated |
|
1336 UINT style = top->savedFlags; |
|
1337 if (q->isVisible()) |
|
1338 style |= WS_VISIBLE; |
|
1339 SetWindowLong(q->internalWinId(), GWL_STYLE, style); |
|
1340 |
|
1341 UINT swpf = SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOSIZE | SWP_NOMOVE; |
|
1342 if (data.window_state & Qt::WindowActive) |
|
1343 swpf |= SWP_NOACTIVATE; |
|
1344 SetWindowPos(q->internalWinId(), 0, 0, 0, 0, 0, swpf); |
|
1345 updateFrameStrut(); |
|
1346 } |
|
1347 data.window_state &= ~Qt::WindowFullScreen; |
|
1348 topData()->savedFlags = 0; |
|
1349 } |
|
1350 |
|
1351 QTLWExtra *tlwExtra = q->window()->d_func()->maybeTopData(); |
|
1352 const bool inTopLevelResize = tlwExtra ? tlwExtra->inTopLevelResize : false; |
|
1353 const bool isTranslucentWindow = !isOpaque && ptrUpdateLayeredWindowIndirect && (data.window_flags & Qt::FramelessWindowHint) |
|
1354 && GetWindowLong(q->internalWinId(), GWL_EXSTYLE) & Q_WS_EX_LAYERED; |
|
1355 |
|
1356 if (q->testAttribute(Qt::WA_WState_ConfigPending)) { // processing config event |
|
1357 if (q->internalWinId()) |
|
1358 qWinRequestConfig(q->internalWinId(), isMove ? 2 : 1, x, y, w, h); |
|
1359 } else { |
|
1360 if (!q->testAttribute(Qt::WA_DontShowOnScreen)) |
|
1361 q->setAttribute(Qt::WA_WState_ConfigPending); |
|
1362 if (q->windowType() == Qt::Desktop) { |
|
1363 data.crect.setRect(x, y, w, h); |
|
1364 } else if (q->isWindow()) { |
|
1365 QRect fs(frameStrut()); |
|
1366 if (extra) { |
|
1367 fs.setLeft(x - fs.left()); |
|
1368 fs.setTop(y - fs.top()); |
|
1369 fs.setRight((x + w - 1) + fs.right()); |
|
1370 fs.setBottom((y + h - 1) + fs.bottom()); |
|
1371 } |
|
1372 if (w == 0 || h == 0) { |
|
1373 q->setAttribute(Qt::WA_OutsideWSRange, true); |
|
1374 if (q->isVisible() && q->testAttribute(Qt::WA_Mapped)) |
|
1375 hide_sys(); |
|
1376 data.crect = QRect(x, y, w, h); |
|
1377 } else if (q->isVisible() && q->testAttribute(Qt::WA_OutsideWSRange)) { |
|
1378 q->setAttribute(Qt::WA_OutsideWSRange, false); |
|
1379 |
|
1380 // put the window in its place and show it |
|
1381 MoveWindow(q->internalWinId(), fs.x(), fs.y(), fs.width(), fs.height(), true); |
|
1382 RECT rect; |
|
1383 if (!q->testAttribute(Qt::WA_DontShowOnScreen)) { |
|
1384 GetClientRect(q->internalWinId(), &rect); |
|
1385 data.crect.setRect(x, y, rect.right - rect.left, rect.bottom - rect.top); |
|
1386 } else { |
|
1387 data.crect.setRect(x, y, w, h); |
|
1388 } |
|
1389 |
|
1390 show_sys(); |
|
1391 } else if (!q->testAttribute(Qt::WA_DontShowOnScreen)) { |
|
1392 q->setAttribute(Qt::WA_OutsideWSRange, false); |
|
1393 #ifndef Q_WS_WINCE |
|
1394 // If the window is hidden and in maximized state or minimized, instead of moving the |
|
1395 // window, set the normal position of the window. |
|
1396 WINDOWPLACEMENT wndpl; |
|
1397 GetWindowPlacement(q->internalWinId(), &wndpl); |
|
1398 if ((wndpl.showCmd == SW_MAXIMIZE && !IsWindowVisible(q->internalWinId())) || wndpl.showCmd == SW_SHOWMINIMIZED) { |
|
1399 RECT normal = {fs.x(), fs.y(), fs.x()+fs.width(), fs.y()+fs.height()}; |
|
1400 wndpl.rcNormalPosition = normal; |
|
1401 wndpl.showCmd = wndpl.showCmd == SW_SHOWMINIMIZED ? SW_SHOWMINIMIZED : SW_HIDE; |
|
1402 SetWindowPlacement(q->internalWinId(), &wndpl); |
|
1403 } else { |
|
1404 #else |
|
1405 if (data.window_state & Qt::WindowMaximized) { |
|
1406 qt_wince_maximize(q); |
|
1407 } else { |
|
1408 #endif |
|
1409 MoveWindow(q->internalWinId(), fs.x(), fs.y(), fs.width(), fs.height(), true); |
|
1410 } |
|
1411 if (!q->isVisible()) |
|
1412 InvalidateRect(q->internalWinId(), 0, FALSE); |
|
1413 RECT rect; |
|
1414 // If the layout has heightForWidth, the MoveWindow() above can |
|
1415 // change the size/position, so refresh them. |
|
1416 |
|
1417 if (isTranslucentWindow) { |
|
1418 data.crect.setRect(x, y, w, h); |
|
1419 } else { |
|
1420 GetClientRect(q->internalWinId(), &rect); |
|
1421 RECT rcNormalPosition ={0}; |
|
1422 // Use (0,0) as window position for embedded ActiveQt controls. |
|
1423 if (!tlwExtra || !tlwExtra->embedded) |
|
1424 GetWindowRect(q->internalWinId(), &rcNormalPosition); |
|
1425 QRect fStrut(frameStrut()); |
|
1426 data.crect.setRect(rcNormalPosition.left + fStrut.left(), |
|
1427 rcNormalPosition.top + fStrut.top(), |
|
1428 rect.right - rect.left, |
|
1429 rect.bottom - rect.top); |
|
1430 isResize = data.crect.size() != oldSize; |
|
1431 } |
|
1432 } else { |
|
1433 q->setAttribute(Qt::WA_OutsideWSRange, false); |
|
1434 data.crect.setRect(x, y, w, h); |
|
1435 } |
|
1436 } else { |
|
1437 QRect oldGeom(data.crect); |
|
1438 data.crect.setRect(x, y, w, h); |
|
1439 if (q->isVisible() && (!inTopLevelResize || q->internalWinId())) { |
|
1440 // Top-level resize optimization does not work for native child widgets; |
|
1441 // disable it for this particular widget. |
|
1442 if (inTopLevelResize) |
|
1443 tlwExtra->inTopLevelResize = false; |
|
1444 |
|
1445 if (!isResize) |
|
1446 moveRect(QRect(oldPos, oldSize), x - oldPos.x(), y - oldPos.y()); |
|
1447 else |
|
1448 invalidateBuffer_resizeHelper(oldPos, oldSize); |
|
1449 |
|
1450 if (inTopLevelResize) |
|
1451 tlwExtra->inTopLevelResize = true; |
|
1452 } |
|
1453 if (q->testAttribute(Qt::WA_WState_Created)) |
|
1454 setWSGeometry(); |
|
1455 } |
|
1456 q->setAttribute(Qt::WA_WState_ConfigPending, false); |
|
1457 } |
|
1458 |
|
1459 if (q->isWindow() && q->isVisible() && isResize && !inTopLevelResize) { |
|
1460 invalidateBuffer(q->rect()); //after the resize |
|
1461 } |
|
1462 |
|
1463 // Process events immediately rather than in translateConfigEvent to |
|
1464 // avoid windows message process delay. |
|
1465 if (q->isVisible()) { |
|
1466 if (isMove && q->pos() != oldPos) { |
|
1467 QMoveEvent e(q->pos(), oldPos); |
|
1468 QApplication::sendEvent(q, &e); |
|
1469 } |
|
1470 if (isResize) { |
|
1471 static bool slowResize = qgetenv("QT_SLOW_TOPLEVEL_RESIZE").toInt(); |
|
1472 // If we have a backing store with static contents, we have to disable the top-level |
|
1473 // resize optimization in order to get invalidated regions for resized widgets. |
|
1474 // The optimization discards all invalidateBuffer() calls since we're going to |
|
1475 // repaint everything anyways, but that's not the case with static contents. |
|
1476 const bool setTopLevelResize = !slowResize && q->isWindow() && extra && extra->topextra |
|
1477 && !extra->topextra->inTopLevelResize |
|
1478 && (!extra->topextra->backingStore |
|
1479 || !extra->topextra->backingStore->hasStaticContents()); |
|
1480 if (setTopLevelResize) |
|
1481 extra->topextra->inTopLevelResize = true; |
|
1482 QResizeEvent e(q->size(), oldSize); |
|
1483 QApplication::sendEvent(q, &e); |
|
1484 if (setTopLevelResize) |
|
1485 extra->topextra->inTopLevelResize = false; |
|
1486 } |
|
1487 } else { |
|
1488 if (isMove && q->pos() != oldPos) |
|
1489 q->setAttribute(Qt::WA_PendingMoveEvent, true); |
|
1490 if (isResize) |
|
1491 q->setAttribute(Qt::WA_PendingResizeEvent, true); |
|
1492 } |
|
1493 } |
|
1494 |
|
1495 bool QWidgetPrivate::shouldShowMaximizeButton() |
|
1496 { |
|
1497 if (data.window_flags & Qt::MSWindowsFixedSizeDialogHint) |
|
1498 return false; |
|
1499 // if the user explicitely asked for the maximize button, we try to add |
|
1500 // it even if the window has fixed size. |
|
1501 if (data.window_flags & Qt::CustomizeWindowHint && |
|
1502 data.window_flags & Qt::WindowMaximizeButtonHint) |
|
1503 return true; |
|
1504 if (extra) { |
|
1505 if ((extra->maxw && extra->maxw != QWIDGETSIZE_MAX && extra->maxw != QLAYOUTSIZE_MAX) |
|
1506 || (extra->maxh && extra->maxh != QWIDGETSIZE_MAX && extra->maxh != QLAYOUTSIZE_MAX)) |
|
1507 return false; |
|
1508 } |
|
1509 return data.window_flags & Qt::WindowMaximizeButtonHint; |
|
1510 } |
|
1511 |
|
1512 void QWidgetPrivate::winUpdateIsOpaque() |
|
1513 { |
|
1514 #ifndef Q_WS_WINCE |
|
1515 Q_Q(QWidget); |
|
1516 |
|
1517 if (!q->isWindow() || !q->testAttribute(Qt::WA_TranslucentBackground)) |
|
1518 return; |
|
1519 |
|
1520 if ((data.window_flags & Qt::FramelessWindowHint) == 0) |
|
1521 return; |
|
1522 |
|
1523 if (!isOpaque && ptrUpdateLayeredWindowIndirect) { |
|
1524 SetWindowLong(q->internalWinId(), GWL_EXSTYLE, |
|
1525 GetWindowLong(q->internalWinId(), GWL_EXSTYLE) | Q_WS_EX_LAYERED); |
|
1526 } else { |
|
1527 SetWindowLong(q->internalWinId(), GWL_EXSTYLE, |
|
1528 GetWindowLong(q->internalWinId(), GWL_EXSTYLE) & ~Q_WS_EX_LAYERED); |
|
1529 } |
|
1530 #endif |
|
1531 } |
|
1532 |
|
1533 void QWidgetPrivate::setConstraints_sys() |
|
1534 { |
|
1535 #ifndef Q_WS_WINCE_WM |
|
1536 Q_Q(QWidget); |
|
1537 if (q->isWindow() && q->testAttribute(Qt::WA_WState_Created)) { |
|
1538 int style = GetWindowLong(q->internalWinId(), GWL_STYLE); |
|
1539 if (shouldShowMaximizeButton()) |
|
1540 style |= WS_MAXIMIZEBOX; |
|
1541 else |
|
1542 style &= ~WS_MAXIMIZEBOX; |
|
1543 SetWindowLong(q->internalWinId(), GWL_STYLE, style); |
|
1544 } |
|
1545 #endif |
|
1546 } |
|
1547 |
|
1548 void QWidgetPrivate::scroll_sys(int dx, int dy) |
|
1549 { |
|
1550 Q_Q(QWidget); |
|
1551 scrollChildren(dx, dy); |
|
1552 |
|
1553 if (!paintOnScreen()) { |
|
1554 scrollRect(q->rect(), dx, dy); |
|
1555 } else { |
|
1556 UINT flags = SW_INVALIDATE; |
|
1557 if (!q->testAttribute(Qt::WA_OpaquePaintEvent)) |
|
1558 flags |= SW_ERASE; |
|
1559 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1560 ScrollWindowEx(q->internalWinId(), dx, dy, 0, 0, 0, 0, flags); |
|
1561 UpdateWindow(q->internalWinId()); |
|
1562 } |
|
1563 } |
|
1564 |
|
1565 void QWidgetPrivate::scroll_sys(int dx, int dy, const QRect &r) |
|
1566 { |
|
1567 Q_Q(QWidget); |
|
1568 |
|
1569 if (!paintOnScreen()) { |
|
1570 scrollRect(r, dx, dy); |
|
1571 } else { |
|
1572 RECT wr; |
|
1573 wr.top = r.top(); |
|
1574 wr.left = r.left(); |
|
1575 wr.bottom = r.bottom()+1; |
|
1576 wr.right = r.right()+1; |
|
1577 |
|
1578 UINT flags = SW_INVALIDATE; |
|
1579 if (!q->testAttribute(Qt::WA_OpaquePaintEvent)) |
|
1580 flags |= SW_ERASE; |
|
1581 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1582 ScrollWindowEx(q->internalWinId(), dx, dy, &wr, &wr, 0, 0, flags); |
|
1583 UpdateWindow(q->internalWinId()); |
|
1584 } |
|
1585 } |
|
1586 |
|
1587 extern Q_GUI_EXPORT HDC qt_win_display_dc(); |
|
1588 |
|
1589 int QWidget::metric(PaintDeviceMetric m) const |
|
1590 { |
|
1591 Q_D(const QWidget); |
|
1592 int val; |
|
1593 if (m == PdmWidth) { |
|
1594 val = data->crect.width(); |
|
1595 } else if (m == PdmHeight) { |
|
1596 val = data->crect.height(); |
|
1597 } else { |
|
1598 HDC gdc = qt_win_display_dc(); |
|
1599 switch (m) { |
|
1600 case PdmDpiX: |
|
1601 case PdmPhysicalDpiX: |
|
1602 if (d->extra && d->extra->customDpiX) |
|
1603 val = d->extra->customDpiX; |
|
1604 else if (d->parent) |
|
1605 val = static_cast<QWidget *>(d->parent)->metric(m); |
|
1606 else |
|
1607 val = GetDeviceCaps(gdc, LOGPIXELSX); |
|
1608 break; |
|
1609 case PdmDpiY: |
|
1610 case PdmPhysicalDpiY: |
|
1611 if (d->extra && d->extra->customDpiY) |
|
1612 val = d->extra->customDpiY; |
|
1613 else if (d->parent) |
|
1614 val = static_cast<QWidget *>(d->parent)->metric(m); |
|
1615 else |
|
1616 val = GetDeviceCaps(gdc, LOGPIXELSY); |
|
1617 break; |
|
1618 case PdmWidthMM: |
|
1619 val = data->crect.width() |
|
1620 * GetDeviceCaps(gdc, HORZSIZE) |
|
1621 / GetDeviceCaps(gdc, HORZRES); |
|
1622 break; |
|
1623 case PdmHeightMM: |
|
1624 val = data->crect.height() |
|
1625 * GetDeviceCaps(gdc, VERTSIZE) |
|
1626 / GetDeviceCaps(gdc, VERTRES); |
|
1627 break; |
|
1628 case PdmNumColors: |
|
1629 if (GetDeviceCaps(gdc, RASTERCAPS) & RC_PALETTE) |
|
1630 val = GetDeviceCaps(gdc, SIZEPALETTE); |
|
1631 else { |
|
1632 HDC hd = d->hd ? HDC(d->hd) : gdc; |
|
1633 int bpp = GetDeviceCaps(hd, BITSPIXEL); |
|
1634 if (bpp == 32) |
|
1635 val = INT_MAX; // ### this is bogus, it should be 2^24 colors for 32 bit as well |
|
1636 else if(bpp<=8) |
|
1637 val = GetDeviceCaps(hd, NUMCOLORS); |
|
1638 else |
|
1639 val = 1 << (bpp * GetDeviceCaps(hd, PLANES)); |
|
1640 } |
|
1641 break; |
|
1642 case PdmDepth: |
|
1643 val = GetDeviceCaps(gdc, BITSPIXEL); |
|
1644 break; |
|
1645 default: |
|
1646 val = 0; |
|
1647 qWarning("QWidget::metric: Invalid metric command"); |
|
1648 } |
|
1649 } |
|
1650 return val; |
|
1651 } |
|
1652 |
|
1653 void QWidgetPrivate::createSysExtra() |
|
1654 { |
|
1655 #ifndef QT_NO_DRAGANDDROP |
|
1656 extra->dropTarget = 0; |
|
1657 #endif |
|
1658 } |
|
1659 |
|
1660 #ifndef Q_WS_WINCE |
|
1661 void QWidgetPrivate::deleteSysExtra() |
|
1662 { |
|
1663 } |
|
1664 #endif //Q_WS_WINCE |
|
1665 |
|
1666 void QWidgetPrivate::createTLSysExtra() |
|
1667 { |
|
1668 extra->topextra->savedFlags = 0; |
|
1669 extra->topextra->winIconBig = 0; |
|
1670 extra->topextra->winIconSmall = 0; |
|
1671 } |
|
1672 |
|
1673 void QWidgetPrivate::deleteTLSysExtra() |
|
1674 { |
|
1675 if (extra->topextra->winIconSmall) |
|
1676 DestroyIcon(extra->topextra->winIconSmall); |
|
1677 if (extra->topextra->winIconBig) |
|
1678 DestroyIcon(extra->topextra->winIconBig); |
|
1679 } |
|
1680 |
|
1681 void QWidgetPrivate::registerDropSite(bool on) |
|
1682 { |
|
1683 Q_Q(QWidget); |
|
1684 if (!q->testAttribute(Qt::WA_WState_Created)) |
|
1685 return; |
|
1686 // Enablement is defined by d->extra->dropTarget != 0. |
|
1687 if (on) { |
|
1688 // Turn on. |
|
1689 createExtra(); |
|
1690 #ifndef QT_NO_DRAGANDDROP |
|
1691 if (!q->internalWinId()) |
|
1692 q->nativeParentWidget()->d_func()->createExtra(); |
|
1693 QWExtra *extra = extraData(); |
|
1694 if (!extra->dropTarget) |
|
1695 extra->dropTarget = registerOleDnd(q); |
|
1696 #endif |
|
1697 } else { |
|
1698 // Turn off. |
|
1699 QWExtra *extra = extraData(); |
|
1700 #ifndef QT_NO_DRAGANDDROP |
|
1701 if (extra && extra->dropTarget) { |
|
1702 unregisterOleDnd(q, extra->dropTarget); |
|
1703 extra->dropTarget = 0; |
|
1704 } |
|
1705 #endif |
|
1706 } |
|
1707 } |
|
1708 |
|
1709 #ifndef QT_NO_DRAGANDDROP |
|
1710 QOleDropTarget* QWidgetPrivate::registerOleDnd(QWidget *widget) |
|
1711 { |
|
1712 QOleDropTarget *dropTarget = new QOleDropTarget(widget); |
|
1713 Q_ASSERT(widget->testAttribute(Qt::WA_WState_Created)); |
|
1714 if (!widget->internalWinId()) { |
|
1715 QWidget *nativeParent = widget->nativeParentWidget(); |
|
1716 Q_ASSERT(nativeParent); |
|
1717 QWExtra *nativeExtra = nativeParent->d_func()->extra; |
|
1718 Q_ASSERT(nativeExtra); |
|
1719 if (!nativeParent->acceptDrops()) |
|
1720 nativeParent->setAcceptDrops(true); |
|
1721 if (!nativeExtra->oleDropWidgets.contains(widget)) |
|
1722 nativeExtra->oleDropWidgets.append(widget); |
|
1723 if (!nativeExtra->dropTarget) { |
|
1724 nativeExtra->dropTarget = registerOleDnd(nativeParent); |
|
1725 Q_ASSERT(nativeExtra->dropTarget); |
|
1726 #ifndef Q_OS_WINCE |
|
1727 CoLockObjectExternal(nativeExtra->dropTarget, false, true); |
|
1728 #endif |
|
1729 RegisterDragDrop(nativeParent->internalWinId(), nativeExtra->dropTarget); |
|
1730 } |
|
1731 } else { |
|
1732 RegisterDragDrop(widget->internalWinId(), dropTarget); |
|
1733 #ifndef Q_OS_WINCE |
|
1734 CoLockObjectExternal(dropTarget, true, true); |
|
1735 #endif |
|
1736 } |
|
1737 return dropTarget; |
|
1738 } |
|
1739 |
|
1740 void QWidgetPrivate::unregisterOleDnd(QWidget *widget, QOleDropTarget *dropTarget) |
|
1741 { |
|
1742 dropTarget->releaseQt(); |
|
1743 dropTarget->Release(); |
|
1744 Q_ASSERT(widget->testAttribute(Qt::WA_WState_Created)); |
|
1745 if (!widget->internalWinId()) { |
|
1746 QWidget *nativeParent = widget->nativeParentWidget(); |
|
1747 Q_ASSERT(nativeParent); |
|
1748 QWExtra *nativeExtra = nativeParent->d_func()->extra; |
|
1749 Q_ASSERT(nativeExtra); |
|
1750 nativeExtra->oleDropWidgets.removeAll(widget); |
|
1751 nativeExtra->oleDropWidgets.removeAll(static_cast<QWidget *>(0)); |
|
1752 if (nativeExtra->oleDropWidgets.isEmpty() && nativeExtra->dropTarget |
|
1753 && !nativeParent->testAttribute(Qt::WA_DropSiteRegistered)) { |
|
1754 #ifndef Q_OS_WINCE |
|
1755 CoLockObjectExternal(nativeExtra->dropTarget, false, true); |
|
1756 #endif |
|
1757 RevokeDragDrop(nativeParent->internalWinId()); |
|
1758 nativeExtra->dropTarget = 0; |
|
1759 } |
|
1760 } else { |
|
1761 #ifndef Q_OS_WINCE |
|
1762 CoLockObjectExternal(dropTarget, false, true); |
|
1763 #endif |
|
1764 RevokeDragDrop(widget->internalWinId()); |
|
1765 } |
|
1766 } |
|
1767 |
|
1768 #endif //QT_NO_DRAGANDDROP |
|
1769 |
|
1770 // from qregion_win.cpp |
|
1771 extern HRGN qt_tryCreateRegion(QRegion::RegionType type, int left, int top, int right, int bottom); |
|
1772 void QWidgetPrivate::setMask_sys(const QRegion ®ion) |
|
1773 { |
|
1774 Q_Q(QWidget); |
|
1775 if (!q->internalWinId()) |
|
1776 return; |
|
1777 |
|
1778 if (region.isEmpty()) { |
|
1779 SetWindowRgn(q->internalWinId(), 0, true); |
|
1780 return; |
|
1781 } |
|
1782 |
|
1783 // Since SetWindowRegion takes ownership, and we need to translate, |
|
1784 // we take a copy. |
|
1785 HRGN wr = qt_tryCreateRegion(QRegion::Rectangle, 0,0,0,0); |
|
1786 CombineRgn(wr, region.handle(), 0, RGN_COPY); |
|
1787 |
|
1788 QPoint offset = (q->isWindow() |
|
1789 ? frameStrut().topLeft() |
|
1790 : QPoint(0, 0)); |
|
1791 OffsetRgn(wr, offset.x(), offset.y()); |
|
1792 |
|
1793 Q_ASSERT(q->testAttribute(Qt::WA_WState_Created)); |
|
1794 if (!SetWindowRgn(data.winid, wr, true)) |
|
1795 DeleteObject(wr); |
|
1796 } |
|
1797 |
|
1798 void QWidgetPrivate::updateFrameStrut() |
|
1799 { |
|
1800 Q_Q(QWidget); |
|
1801 |
|
1802 if (!q->testAttribute(Qt::WA_WState_Created)) |
|
1803 return; |
|
1804 |
|
1805 if (!q->internalWinId()) { |
|
1806 data.fstrut_dirty = false; |
|
1807 return; |
|
1808 } |
|
1809 |
|
1810 RECT rect = {0,0,0,0}; |
|
1811 |
|
1812 QTLWExtra *top = topData(); |
|
1813 uint exstyle = GetWindowLong(q->internalWinId(), GWL_EXSTYLE); |
|
1814 uint style = GetWindowLong(q->internalWinId(), GWL_STYLE); |
|
1815 #ifndef Q_WS_WINCE |
|
1816 if (AdjustWindowRectEx(&rect, style & ~(WS_OVERLAPPED), FALSE, exstyle)) { |
|
1817 #else |
|
1818 if (AdjustWindowRectEx(&rect, style, FALSE, exstyle)) { |
|
1819 #endif |
|
1820 top->frameStrut.setCoords(-rect.left, -rect.top, rect.right, rect.bottom); |
|
1821 data.fstrut_dirty = false; |
|
1822 } |
|
1823 } |
|
1824 |
|
1825 #ifndef Q_WS_WINCE |
|
1826 void QWidgetPrivate::setWindowOpacity_sys(qreal level) |
|
1827 { |
|
1828 Q_Q(QWidget); |
|
1829 |
|
1830 if (!isOpaque && ptrUpdateLayeredWindow && (data.window_flags & Qt::FramelessWindowHint)) { |
|
1831 if (GetWindowLong(q->internalWinId(), GWL_EXSTYLE) & Q_WS_EX_LAYERED) { |
|
1832 BLENDFUNCTION blend = {AC_SRC_OVER, 0, (int)(255.0 * level), AC_SRC_ALPHA}; |
|
1833 ptrUpdateLayeredWindow(q->internalWinId(), NULL, NULL, NULL, NULL, NULL, 0, &blend, Q_ULW_ALPHA); |
|
1834 } |
|
1835 return; |
|
1836 } |
|
1837 |
|
1838 static bool function_resolved = false; |
|
1839 if (!function_resolved) { |
|
1840 ptrSetLayeredWindowAttributes = |
|
1841 (PtrSetLayeredWindowAttributes) QLibrary::resolve(QLatin1String("user32"), |
|
1842 "SetLayeredWindowAttributes"); |
|
1843 function_resolved = true; |
|
1844 } |
|
1845 |
|
1846 if (!ptrSetLayeredWindowAttributes) |
|
1847 return; |
|
1848 |
|
1849 int wl = GetWindowLong(q->internalWinId(), GWL_EXSTYLE); |
|
1850 |
|
1851 if (level != 1.0) { |
|
1852 if ((wl&Q_WS_EX_LAYERED) == 0) |
|
1853 SetWindowLong(q->internalWinId(), GWL_EXSTYLE, wl | Q_WS_EX_LAYERED); |
|
1854 } else if (wl&Q_WS_EX_LAYERED) { |
|
1855 SetWindowLong(q->internalWinId(), GWL_EXSTYLE, wl & ~Q_WS_EX_LAYERED); |
|
1856 } |
|
1857 ptrSetLayeredWindowAttributes(q->internalWinId(), 0, (int)(level * 255), Q_LWA_ALPHA); |
|
1858 } |
|
1859 #endif //Q_WS_WINCE |
|
1860 |
|
1861 // class QGlobalRasterPaintEngine: public QRasterPaintEngine |
|
1862 // { |
|
1863 // public: |
|
1864 // inline QGlobalRasterPaintEngine() : QRasterPaintEngine() { setFlushOnEnd(false); } |
|
1865 // }; |
|
1866 // Q_GLOBAL_STATIC(QGlobalRasterPaintEngine, globalRasterPaintEngine) |
|
1867 |
|
1868 |
|
1869 #ifndef QT_NO_DIRECTDRAW |
|
1870 static uchar *qt_primary_surface_bits; |
|
1871 static int qt_primary_surface_stride; |
|
1872 static QImage::Format qt_primary_surface_format; |
|
1873 |
|
1874 void qt_win_initialize_directdraw() |
|
1875 { |
|
1876 HRESULT res; |
|
1877 |
|
1878 // Some initialization... |
|
1879 if (!qt_ddraw_object) { |
|
1880 res = DirectDrawCreate(0, &qt_ddraw_object, 0); |
|
1881 |
|
1882 if (res != DD_OK) |
|
1883 qWarning("DirectDrawCreate failed: %d", res); |
|
1884 |
|
1885 qt_ddraw_object->SetCooperativeLevel(0, DDSCL_NORMAL); |
|
1886 |
|
1887 DDSURFACEDESC surfaceDesc; |
|
1888 memset(&surfaceDesc, 0, sizeof(DDSURFACEDESC)); |
|
1889 |
|
1890 surfaceDesc.dwSize = sizeof(DDSURFACEDESC); |
|
1891 surfaceDesc.dwFlags = DDSD_CAPS; |
|
1892 surfaceDesc.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE; |
|
1893 |
|
1894 res = qt_ddraw_object->CreateSurface(&surfaceDesc, &qt_ddraw_primary, 0); |
|
1895 if (res != DD_OK) |
|
1896 qWarning("CreateSurface failed: %d", res); |
|
1897 |
|
1898 memset(&surfaceDesc, 0, sizeof(DDSURFACEDESC)); |
|
1899 surfaceDesc.dwSize = sizeof(DDSURFACEDESC); |
|
1900 res = qt_ddraw_primary->Lock(0, &surfaceDesc, DDLOCK_WAIT | DDLOCK_SURFACEMEMORYPTR, 0); |
|
1901 if (res != DD_OK) |
|
1902 qWarning("Locking surface failed: %d", res); |
|
1903 |
|
1904 if (surfaceDesc.ddpfPixelFormat.dwFlags == DDPF_RGB) { |
|
1905 qt_primary_surface_bits = (uchar *) surfaceDesc.lpSurface; |
|
1906 qt_primary_surface_stride = surfaceDesc.lPitch; |
|
1907 qt_primary_surface_format = QImage::Format_RGB32; |
|
1908 } else { |
|
1909 qWarning("QWidget painting: unsupported device depth for onscreen painting...\n"); |
|
1910 } |
|
1911 |
|
1912 qt_ddraw_primary->Unlock(0); |
|
1913 } |
|
1914 } |
|
1915 |
|
1916 class QOnScreenRasterPaintEngine : public QRasterPaintEngine |
|
1917 { |
|
1918 public: |
|
1919 // The image allocated here leaks... Fix if this code is ifdef'ed |
|
1920 // in |
|
1921 QOnScreenRasterPaintEngine() |
|
1922 : QRasterPaintEngine(new QImage(qt_primary_surface_bits, |
|
1923 QApplication::desktop()->width(), |
|
1924 QApplication::desktop()->height(), |
|
1925 qt_primary_surface_stride, |
|
1926 qt_primary_surface_format)) |
|
1927 { |
|
1928 device = static_cast<QImage *>(d_func()->device); |
|
1929 } |
|
1930 |
|
1931 bool begin(QPaintDevice *) |
|
1932 { |
|
1933 QRegion clip = systemClip(); |
|
1934 originalSystemClip = clip; |
|
1935 clip.translate(widget->mapToGlobal(QPoint(0, 0))); |
|
1936 setSystemClip(clip); |
|
1937 |
|
1938 QRect bounds = clip.boundingRect(); |
|
1939 DDSURFACEDESC surface; |
|
1940 surface.dwSize = sizeof(DDSURFACEDESC); |
|
1941 HRESULT res = qt_ddraw_primary->Lock((RECT *) &bounds, &surface, DDLOCK_WAIT, 0); |
|
1942 if (res != DD_OK) { |
|
1943 qWarning("QWidget painting: locking onscreen bits failed: %d\n", res); |
|
1944 return false; |
|
1945 } |
|
1946 |
|
1947 if (surface.lpSurface == qt_primary_surface_bits) { |
|
1948 qt_primary_surface_bits = (uchar *) surface.lpSurface; |
|
1949 device->data_ptr()->data = qt_primary_surface_bits; |
|
1950 } |
|
1951 |
|
1952 return QRasterPaintEngine::begin(device); |
|
1953 } |
|
1954 |
|
1955 bool end() |
|
1956 { |
|
1957 HRESULT res = qt_ddraw_primary->Unlock(0); |
|
1958 if (res != DD_OK) |
|
1959 qWarning("QWidget::paint, failed to unlock DirectDraw surface: %d", res); |
|
1960 bool ok = QRasterPaintEngine::end(); |
|
1961 setSystemClip(originalSystemClip); |
|
1962 return ok; |
|
1963 } |
|
1964 |
|
1965 QPoint coordinateOffset() const { |
|
1966 return -widget->mapToGlobal(QPoint(0, 0)); |
|
1967 } |
|
1968 |
|
1969 const QWidget *widget; |
|
1970 QImage *device; |
|
1971 QRegion originalSystemClip; |
|
1972 }; |
|
1973 Q_GLOBAL_STATIC(QOnScreenRasterPaintEngine, onScreenPaintEngine) |
|
1974 #else |
|
1975 void qt_win_initialize_directdraw() { } |
|
1976 #endif |
|
1977 |
|
1978 QPaintEngine *QWidget::paintEngine() const |
|
1979 { |
|
1980 #ifndef QT_NO_DIRECTDRAW |
|
1981 QOnScreenRasterPaintEngine *pe = onScreenPaintEngine(); |
|
1982 pe->widget = this; |
|
1983 return pe; |
|
1984 #endif |
|
1985 |
|
1986 // We set this bit which is checked in setAttribute for |
|
1987 // Qt::WA_PaintOnScreen. We do this to allow these two scenarios: |
|
1988 // |
|
1989 // 1. Users accidentally set Qt::WA_PaintOnScreen on X and port to |
|
1990 // windows which would mean suddenly their widgets stop working. |
|
1991 // |
|
1992 // 2. Users set paint on screen and subclass paintEngine() to |
|
1993 // return 0, in which case we have a "hole" in the backingstore |
|
1994 // allowing use of GDI or DirectX directly. |
|
1995 // |
|
1996 // 1 is WRONG, but to minimize silent failures, we have set this |
|
1997 // bit to ignore the setAttribute call. 2. needs to be |
|
1998 // supported because its our only means of embeddeding native |
|
1999 // graphics stuff. |
|
2000 const_cast<QWidgetPrivate *>(d_func())->noPaintOnScreen = 1; |
|
2001 |
|
2002 return 0; |
|
2003 } |
|
2004 |
|
2005 QWindowSurface *QWidgetPrivate::createDefaultWindowSurface_sys() |
|
2006 { |
|
2007 Q_Q(QWidget); |
|
2008 return new QRasterWindowSurface(q); |
|
2009 } |
|
2010 |
|
2011 void QWidgetPrivate::setModal_sys() |
|
2012 { |
|
2013 } |
|
2014 |
|
2015 void QWidgetPrivate::registerTouchWindow() |
|
2016 { |
|
2017 Q_Q(QWidget); |
|
2018 |
|
2019 // enable WM_TOUCH* messages on our window |
|
2020 if (q->testAttribute(Qt::WA_WState_Created) |
|
2021 && QApplicationPrivate::RegisterTouchWindow |
|
2022 && q->windowType() != Qt::Desktop) |
|
2023 QApplicationPrivate::RegisterTouchWindow(q->effectiveWinId(), 0); |
|
2024 } |
|
2025 |
|
2026 void QWidgetPrivate::winSetupGestures() |
|
2027 { |
|
2028 Q_Q(QWidget); |
|
2029 if (!q || !q->isVisible()) |
|
2030 return; |
|
2031 QApplicationPrivate *qAppPriv = QApplicationPrivate::instance(); |
|
2032 WId winid = q->effectiveWinId(); |
|
2033 |
|
2034 bool needh = false; |
|
2035 bool needv = false; |
|
2036 bool singleFingerPanEnabled = false; |
|
2037 |
|
2038 if (QAbstractScrollArea *asa = qobject_cast<QAbstractScrollArea*>(q->parent())) { |
|
2039 QScrollBar *hbar = asa->horizontalScrollBar(); |
|
2040 QScrollBar *vbar = asa->verticalScrollBar(); |
|
2041 Qt::ScrollBarPolicy hbarpolicy = asa->horizontalScrollBarPolicy(); |
|
2042 Qt::ScrollBarPolicy vbarpolicy = asa->verticalScrollBarPolicy(); |
|
2043 needh = (hbarpolicy == Qt::ScrollBarAlwaysOn || |
|
2044 (hbarpolicy == Qt::ScrollBarAsNeeded && hbar->minimum() < hbar->maximum())); |
|
2045 needv = (vbarpolicy == Qt::ScrollBarAlwaysOn || |
|
2046 (vbarpolicy == Qt::ScrollBarAsNeeded && vbar->minimum() < vbar->maximum())); |
|
2047 singleFingerPanEnabled = asa->d_func()->singleFingerPanEnabled; |
|
2048 } |
|
2049 if (winid && qAppPriv->SetGestureConfig) { |
|
2050 GESTURECONFIG gc[1]; |
|
2051 memset(gc, 0, sizeof(gc)); |
|
2052 gc[0].dwID = GID_PAN; |
|
2053 if (nativeGesturePanEnabled) { |
|
2054 gc[0].dwWant = GC_PAN; |
|
2055 if (needv && singleFingerPanEnabled) |
|
2056 gc[0].dwWant |= GC_PAN_WITH_SINGLE_FINGER_VERTICALLY; |
|
2057 else |
|
2058 gc[0].dwBlock |= GC_PAN_WITH_SINGLE_FINGER_VERTICALLY; |
|
2059 if (needh && singleFingerPanEnabled) |
|
2060 gc[0].dwWant |= GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY; |
|
2061 else |
|
2062 gc[0].dwBlock |= GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY; |
|
2063 } else { |
|
2064 gc[0].dwBlock = GC_PAN; |
|
2065 } |
|
2066 |
|
2067 // gc[1].dwID = GID_ZOOM; |
|
2068 // if (gestures.pinch) |
|
2069 // gc[1].dwWant = GC_ZOOM; |
|
2070 // else |
|
2071 // gc[1].dwBlock = GC_ZOOM; |
|
2072 // gc[2].dwID = GID_ROTATE; |
|
2073 // if (gestures.pinch) |
|
2074 // gc[2].dwWant = GC_ROTATE; |
|
2075 // else |
|
2076 // gc[2].dwBlock = GC_ROTATE; |
|
2077 |
|
2078 qAppPriv->SetGestureConfig(winid, 0, sizeof(gc)/sizeof(gc[0]), gc, sizeof(gc[0])); |
|
2079 } |
|
2080 } |
|
2081 |
|
2082 QT_END_NAMESPACE |
|
2083 |
|
2084 #ifdef Q_WS_WINCE |
|
2085 # include "qwidget_wince.cpp" |
|
2086 #endif |