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annotate src/video/qtopia/SDL_sysvideo.cc @ 1338:604d73db6802

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Removed uses of stdlib.h and string.h
author Sam Lantinga <slouken@libsdl.org>
date Tue, 07 Feb 2006 09:29:18 +0000
parents 3692456e7b0f
children c71e05b4dc2e
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /* Qtopia based framebuffer implementation */
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24
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25 #include <unistd.h>
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26
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27 #include <qapplication.h>
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28 #include <qpe/qpeapplication.h>
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29
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30 #include "SDL.h"
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31 #include "SDL_stdlib.h"
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32 #include "SDL_string.h"
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33 #include "SDL_timer.h"
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34
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35 #include "SDL_QWin.h"
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36
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37 extern "C" {
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38
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39 #include "SDL_sysvideo.h"
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40 #include "SDL_sysmouse_c.h"
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41 #include "SDL_sysevents_c.h"
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42 #include "SDL_events_c.h"
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43 #include "SDL_syswm_c.h"
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44 #include "SDL_lowvideo.h"
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45
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46 //#define QTOPIA_DEBUG
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47 #define QT_HIDDEN_SIZE 32 /* starting hidden window size */
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48
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49 /* Name of the environment variable used to invert the screen rotation or not:
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50 Possible values:
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51 !=0 : Screen is 270° rotated
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52 0: Screen is 90° rotated*/
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53 #define SDL_QT_ROTATION_ENV_NAME "SDL_QT_INVERT_ROTATION"
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54
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55 /* Initialization/Query functions */
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56 static int QT_VideoInit(_THIS, SDL_PixelFormat *vformat);
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57 static SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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58 static SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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59 static void QT_UpdateMouse(_THIS);
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60 static int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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61 static void QT_VideoQuit(_THIS);
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62
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63 /* Hardware surface functions */
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64 static int QT_AllocHWSurface(_THIS, SDL_Surface *surface);
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65 static int QT_LockHWSurface(_THIS, SDL_Surface *surface);
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66 static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface);
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67 static void QT_FreeHWSurface(_THIS, SDL_Surface *surface);
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68
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69 static int QT_ToggleFullScreen(_THIS, int fullscreen);
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70
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71 static int QT_IconifyWindow(_THIS);
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72 static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode);
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73
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74 /* FB driver bootstrap functions */
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75
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76 static int QT_Available(void)
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77 {
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78 return(1);
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79 }
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80
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81 static void QT_DeleteDevice(SDL_VideoDevice *device)
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82 {
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83 SDL_free(device->hidden);
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84 SDL_free(device);
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85 }
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86
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87 static SDL_VideoDevice *QT_CreateDevice(int devindex)
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88 {
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89 SDL_VideoDevice *device;
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90
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91 /* Initialize all variables that we clean on shutdown */
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92 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
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93 if ( device ) {
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94 SDL_memset(device, 0, (sizeof *device));
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95 device->hidden = (struct SDL_PrivateVideoData *)
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96 SDL_malloc((sizeof *device->hidden));
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97 }
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98 if ( (device == NULL) || (device->hidden == NULL) ) {
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99 SDL_OutOfMemory();
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100 if ( device ) {
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101 SDL_free(device);
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102 }
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103 return(0);
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104 }
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105 SDL_memset(device->hidden, 0, (sizeof *device->hidden));
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106
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107 /* Set the function pointers */
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108 device->VideoInit = QT_VideoInit;
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109 device->ListModes = QT_ListModes;
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110 device->SetVideoMode = QT_SetVideoMode;
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111 device->UpdateMouse = QT_UpdateMouse;
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112 device->SetColors = QT_SetColors;
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113 device->UpdateRects = NULL;
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114 device->VideoQuit = QT_VideoQuit;
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115 device->AllocHWSurface = QT_AllocHWSurface;
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116 device->CheckHWBlit = NULL;
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117 device->FillHWRect = NULL;
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118 device->SetHWColorKey = NULL;
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119 device->SetHWAlpha = NULL;
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120 device->LockHWSurface = QT_LockHWSurface;
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121 device->UnlockHWSurface = QT_UnlockHWSurface;
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122 device->FlipHWSurface = NULL;
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123 device->FreeHWSurface = QT_FreeHWSurface;
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124 device->SetIcon = NULL;
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125 device->SetCaption = QT_SetWMCaption;
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126 device->IconifyWindow = QT_IconifyWindow;
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127 device->GrabInput = QT_GrabInput;
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128 device->GetWMInfo = NULL;
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129 device->FreeWMCursor = QT_FreeWMCursor;
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130 device->CreateWMCursor = QT_CreateWMCursor;
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131 device->ShowWMCursor = QT_ShowWMCursor;
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132 device->WarpWMCursor = QT_WarpWMCursor;
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133 device->InitOSKeymap = QT_InitOSKeymap;
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134 device->PumpEvents = QT_PumpEvents;
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135
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136 device->free = QT_DeleteDevice;
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137 device->ToggleFullScreen = QT_ToggleFullScreen;
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138
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139 /* Set the driver flags */
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140 device->handles_any_size = 0;
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141
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142 return device;
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143 }
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144
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145 VideoBootStrap Qtopia_bootstrap = {
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146 "qtopia", "Qtopia / QPE graphics",
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147 QT_Available, QT_CreateDevice
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148 };
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149
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diff changeset
150 /* Function to sort the display_list */
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151 static int CompareModes(const void *A, const void *B)
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152 {
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153 #if 0
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154 const display_mode *a = (display_mode *)A;
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155 const display_mode *b = (display_mode *)B;
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156
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157 if ( a->space == b->space ) {
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158 return((b->virtual_width*b->virtual_height)-
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159 (a->virtual_width*a->virtual_height));
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160 } else {
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161 return(ColorSpaceToBitsPerPixel(b->space)-
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162 ColorSpaceToBitsPerPixel(a->space));
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163 }
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164 #endif
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165 return 0;
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166 }
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167
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168 /* Yes, this isn't the fastest it could be, but it works nicely */
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169 static int QT_AddMode(_THIS, int index, unsigned int w, unsigned int h)
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170 {
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171 SDL_Rect *mode;
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172 int i;
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173 int next_mode;
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174
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175 /* Check to see if we already have this mode */
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176 if ( SDL_nummodes[index] > 0 ) {
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177 for ( i=SDL_nummodes[index]-1; i >= 0; --i ) {
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178 mode = SDL_modelist[index][i];
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179 if ( (mode->w == w) && (mode->h == h) ) {
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180 return(0);
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181 }
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182 }
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183 }
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184
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185 /* Set up the new video mode rectangle */
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186 mode = (SDL_Rect *)SDL_malloc(sizeof *mode);
371
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187 if ( mode == NULL ) {
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188 SDL_OutOfMemory();
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189 return(-1);
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190 }
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191 mode->x = 0;
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192 mode->y = 0;
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193 mode->w = w;
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194 mode->h = h;
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195 #ifdef QTOPIA_DEBUG
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196 fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1);
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197 #endif
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198
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199 /* Allocate the new list of modes, and fill in the new mode */
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200 next_mode = SDL_nummodes[index];
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201 SDL_modelist[index] = (SDL_Rect **)
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202 SDL_realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
371
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203 if ( SDL_modelist[index] == NULL ) {
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204 SDL_OutOfMemory();
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205 SDL_nummodes[index] = 0;
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206 SDL_free(mode);
371
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207 return(-1);
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208 }
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209 SDL_modelist[index][next_mode] = mode;
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210 SDL_modelist[index][next_mode+1] = NULL;
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211 SDL_nummodes[index]++;
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212
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213 return(0);
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214 }
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215
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216 int QT_VideoInit(_THIS, SDL_PixelFormat *vformat)
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217 {
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218 /* Initialize the QPE Application */
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219 /* Determine the screen depth */
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220 vformat->BitsPerPixel = QPixmap::defaultDepth();
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221
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222 // For now we hardcode the current depth because anything else
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223 // might as well be emulated by SDL rather than by Qtopia.
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224
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225 QSize desktop_size = qApp->desktop()->size();
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226 QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
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227 desktop_size.width(), desktop_size.height());
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228 QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
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229 desktop_size.height(), desktop_size.width());
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230
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231 /* Create the window / widget */
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232 SDL_Win = new SDL_QWin(QSize(QT_HIDDEN_SIZE, QT_HIDDEN_SIZE));
379
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
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diff changeset
233 ((QPEApplication*)qApp)->showMainWidget(SDL_Win);
371
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234 /* Fill in some window manager capabilities */
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235 _this->info.wm_available = 0;
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236
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diff changeset
237 /* We're done! */
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238 return(0);
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239 }
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diff changeset
240
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241 /* We support any dimension at our bit-depth */
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242 SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
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243 {
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diff changeset
244 SDL_Rect **modes;
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245
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246 modes = ((SDL_Rect **)0);
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diff changeset
247 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
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248 modes = SDL_modelist[((format->BitsPerPixel+7)/8)-1];
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diff changeset
249 } else {
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diff changeset
250 if ( format->BitsPerPixel ==
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diff changeset
251 _this->screen->format->BitsPerPixel ) {
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diff changeset
252 modes = ((SDL_Rect **)-1);
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253 }
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diff changeset
254 }
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diff changeset
255 return(modes);
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diff changeset
256 }
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diff changeset
257
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diff changeset
258 /* Various screen update functions available */
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diff changeset
259 static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects);
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260
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diff changeset
261
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diff changeset
262 static int QT_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen)
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diff changeset
263 {
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diff changeset
264 return -1;
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diff changeset
265 }
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diff changeset
266
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diff changeset
267 static int QT_ToggleFullScreen(_THIS, int fullscreen)
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diff changeset
268 {
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diff changeset
269 return -1;
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diff changeset
270 }
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diff changeset
271
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diff changeset
272 /* FIXME: check return values and cleanup here */
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diff changeset
273 SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current,
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diff changeset
274 int width, int height, int bpp, Uint32 flags)
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diff changeset
275 {
379
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
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diff changeset
276
371
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diff changeset
277 QImage *qimage;
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diff changeset
278 QSize desktop_size = qApp->desktop()->size();
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diff changeset
279
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diff changeset
280
567
969fbd4dcd4e From: David Hedbor
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diff changeset
281 current->flags = 0; //SDL_FULLSCREEN; // We always run fullscreen.
371
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diff changeset
282
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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diff changeset
283 if(width <= desktop_size.width()
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diff changeset
284 && height <= desktop_size.height()) {
371
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diff changeset
285 current->w = desktop_size.width();
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diff changeset
286 current->h = desktop_size.height();
481
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diff changeset
287 } else if(width <= desktop_size.height() && height <= desktop_size.width()) {
371
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diff changeset
288 // Landscape mode
1336
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diff changeset
289 char * envString = SDL_getenv(SDL_QT_ROTATION_ENV_NAME);
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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diff changeset
290 int envValue = envString ? atoi(envString) : 0;
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diff changeset
291 screenRotation = envValue ? SDL_QT_ROTATION_270 : SDL_QT_ROTATION_90;
371
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diff changeset
292 current->h = desktop_size.width();
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diff changeset
293 current->w = desktop_size.height();
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diff changeset
294 } else {
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295 SDL_SetError("Unsupported resolution, %dx%d\n", width, height);
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296 }
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297 if ( flags & SDL_OPENGL ) {
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298 SDL_SetError("OpenGL not supported");
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299 return(NULL);
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300 }
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301 /* Create the QImage framebuffer */
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302 qimage = new QImage(current->w, current->h, bpp);
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303 if (qimage->isNull()) {
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304 SDL_SetError("Couldn't create screen bitmap");
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305 delete qimage;
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306 return(NULL);
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307 }
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308 current->pitch = qimage->bytesPerLine();
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309 current->pixels = (void *)qimage->bits();
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310 SDL_Win->setImage(qimage);
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311 _this->UpdateRects = QT_NormalUpdate;
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312 SDL_Win->setFullscreen(true);
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313 /* We're done */
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314 return(current);
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315 }
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316
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317 /* Update the current mouse state and position */
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318 void QT_UpdateMouse(_THIS)
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319 {
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320 QPoint point(-1, -1);
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321 if ( SDL_Win->isActiveWindow() ) {
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322 point = SDL_Win->mousePos();
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323 }
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324
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325 if ( (point.x() >= 0) && (point.x() < SDL_VideoSurface->w) &&
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326 (point.y() >= 0) && (point.y() < SDL_VideoSurface->h) ) {
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327 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
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328 SDL_PrivateMouseMotion(0, 0,
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329 (Sint16)point.x(), (Sint16)point.y());
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330 } else {
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331 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
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332 }
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333 }
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334
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335 /* We don't actually allow hardware surfaces other than the main one */
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336 static int QT_AllocHWSurface(_THIS, SDL_Surface *surface)
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337 {
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338 return(-1);
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339 }
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340 static void QT_FreeHWSurface(_THIS, SDL_Surface *surface)
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341 {
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342 return;
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343 }
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344 static int QT_LockHWSurface(_THIS, SDL_Surface *surface)
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345 {
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346 return(0);
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347 }
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348 static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface)
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349 {
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350 return;
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351 }
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352
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353 static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
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354 {
567
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355 if(SDL_Win->lockScreen()) {
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356 for(int i=0; i<numrects; ++i ) {
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357 QRect rect(rects[i].x, rects[i].y,
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358 rects[i].w, rects[i].h);
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359 SDL_Win->repaintRect(rect);
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360 }
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361 SDL_Win->unlockScreen();
371
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362 }
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363 }
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364 /* Is the system palette settable? */
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365 int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
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366 {
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367 return -1;
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368 }
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369
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370 void QT_VideoQuit(_THIS)
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371 {
379
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
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372 // This is dumb, but if I free this, the app doesn't exit correctly.
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diff changeset
373 // Of course, this will leak memory if init video is done more than once.
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374 // Sucks but such is life.
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375
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376 // -- David Hedbor
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377 // delete SDL_Win;
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378 // SDL_Win = 0;
371
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379 _this->screen->pixels = NULL;
567
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diff changeset
380 QT_GrabInput(_this, SDL_GRAB_OFF);
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diff changeset
381 }
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diff changeset
382
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diff changeset
383 static int QT_IconifyWindow(_THIS) {
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diff changeset
384 SDL_Win->hide();
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diff changeset
385
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diff changeset
386 return true;
371
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diff changeset
387 }
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diff changeset
388
567
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diff changeset
389 static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode) {
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parents: 481
diff changeset
390 if(mode == SDL_GRAB_OFF) {
969fbd4dcd4e From: David Hedbor
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diff changeset
391 QPEApplication::grabKeyboard();
969fbd4dcd4e From: David Hedbor
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diff changeset
392 qApp->processEvents();
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diff changeset
393 QPEApplication::ungrabKeyboard();
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diff changeset
394 } else {
969fbd4dcd4e From: David Hedbor
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diff changeset
395 QPEApplication::grabKeyboard();
969fbd4dcd4e From: David Hedbor
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diff changeset
396 }
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diff changeset
397 qApp->processEvents();
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diff changeset
398 return mode;
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diff changeset
399 }
969fbd4dcd4e From: David Hedbor
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diff changeset
400
371
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401 }; /* Extern C */