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annotate src/video/qtopia/SDL_sysvideo.cc @ 481:c96e2137f9eb

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Date: Sat, 31 Aug 2002 15:42:45 +0200 From: Alexandre Courbot Subject: [SDL] Qtopia port fixes/improvments -Whenever the screen is rotated, the pad is rotated as well, -Fixed a mouse bug: when tapping on the screen, the click event was often sent at the previous position of the stylus (resulting in strange behavior in Scummvm for instance) -Added the SDL_QT_INVERT_ROTATION environment variable which, when set, rotates the screen (and the mouse, and the pad) the other way. This can be useful for left-handed people.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 01 Sep 2002 00:37:24 +0000
parents 11c8a7684f74
children 969fbd4dcd4e
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, 1998, 1999, 2000, 2001, 2002 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* Qtopia based framebuffer implementation */
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29
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30 #include <stdlib.h>
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31 #include <string.h>
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32
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33 #include <stdio.h>
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34 #include <unistd.h>
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35
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36 #include <qapplication.h>
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37 #include <qpe/qpeapplication.h>
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38
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39 #include "SDL.h"
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40 #include "SDL_timer.h"
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41
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42 #include "SDL_QWin.h"
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43
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44 extern "C" {
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45
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46 #include "SDL_sysvideo.h"
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47 #include "SDL_sysmouse_c.h"
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48 #include "SDL_sysevents_c.h"
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49 #include "SDL_events_c.h"
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50 #include "SDL_syswm_c.h"
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51 #include "SDL_lowvideo.h"
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52
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53 //#define QTOPIA_DEBUG
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54 #define QT_HIDDEN_SIZE 32 /* starting hidden window size */
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55
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56 /* Name of the environment variable used to invert the screen rotation or not:
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57 Possible values:
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58 !=0 : Screen is 270° rotated
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59 0: Screen is 90° rotated*/
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60 #define SDL_QT_ROTATION_ENV_NAME "SDL_QT_INVERT_ROTATION"
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61
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62 /* Initialization/Query functions */
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63 static int QT_VideoInit(_THIS, SDL_PixelFormat *vformat);
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64 static SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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65 static SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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66 static void QT_UpdateMouse(_THIS);
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67 static int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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68 static void QT_VideoQuit(_THIS);
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69
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70 /* Hardware surface functions */
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71 static int QT_AllocHWSurface(_THIS, SDL_Surface *surface);
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72 static int QT_LockHWSurface(_THIS, SDL_Surface *surface);
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73 static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface);
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74 static void QT_FreeHWSurface(_THIS, SDL_Surface *surface);
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75
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76 static int QT_ToggleFullScreen(_THIS, int fullscreen);
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77
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78
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79 /* FB driver bootstrap functions */
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80
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81 static int QT_Available(void)
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82 {
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83 return(1);
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84 }
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85
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86 static void QT_DeleteDevice(SDL_VideoDevice *device)
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87 {
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88 free(device->hidden);
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89 free(device);
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90 }
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91
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92 static SDL_VideoDevice *QT_CreateDevice(int devindex)
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93 {
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94 SDL_VideoDevice *device;
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95
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96 /* Initialize all variables that we clean on shutdown */
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97 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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98 if ( device ) {
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99 memset(device, 0, (sizeof *device));
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100 device->hidden = (struct SDL_PrivateVideoData *)
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101 malloc((sizeof *device->hidden));
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102 }
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103 if ( (device == NULL) || (device->hidden == NULL) ) {
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104 SDL_OutOfMemory();
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105 if ( device ) {
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106 free(device);
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107 }
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108 return(0);
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109 }
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110 memset(device->hidden, 0, (sizeof *device->hidden));
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111
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112 /* Set the function pointers */
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113 device->VideoInit = QT_VideoInit;
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114 device->ListModes = QT_ListModes;
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115 device->SetVideoMode = QT_SetVideoMode;
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116 device->UpdateMouse = QT_UpdateMouse;
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117 device->SetColors = QT_SetColors;
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118 device->UpdateRects = NULL;
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119 device->VideoQuit = QT_VideoQuit;
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120 device->AllocHWSurface = QT_AllocHWSurface;
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121 device->CheckHWBlit = NULL;
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122 device->FillHWRect = NULL;
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123 device->SetHWColorKey = NULL;
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124 device->SetHWAlpha = NULL;
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125 device->LockHWSurface = QT_LockHWSurface;
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126 device->UnlockHWSurface = QT_UnlockHWSurface;
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127 device->FlipHWSurface = NULL;
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128 device->FreeHWSurface = QT_FreeHWSurface;
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129 device->SetIcon = NULL;
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130 device->SetCaption = QT_SetWMCaption;
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131 device->GetWMInfo = NULL;
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132 device->FreeWMCursor = QT_FreeWMCursor;
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133 device->CreateWMCursor = QT_CreateWMCursor;
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134 device->ShowWMCursor = QT_ShowWMCursor;
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135 device->WarpWMCursor = QT_WarpWMCursor;
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136 device->InitOSKeymap = QT_InitOSKeymap;
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137 device->PumpEvents = QT_PumpEvents;
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138
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139 device->free = QT_DeleteDevice;
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140 device->ToggleFullScreen = QT_ToggleFullScreen;
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141
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142 /* Set the driver flags */
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143 device->handles_any_size = 0;
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144
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145 return device;
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146 }
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147
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148 VideoBootStrap Qtopia_bootstrap = {
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diff changeset
149 "qtopia", "Qtopia / QPE graphics",
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diff changeset
150 QT_Available, QT_CreateDevice
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parents:
diff changeset
151 };
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152
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diff changeset
153 /* Function to sort the display_list */
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diff changeset
154 static int CompareModes(const void *A, const void *B)
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diff changeset
155 {
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diff changeset
156 #if 0
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157 const display_mode *a = (display_mode *)A;
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158 const display_mode *b = (display_mode *)B;
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159
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diff changeset
160 if ( a->space == b->space ) {
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diff changeset
161 return((b->virtual_width*b->virtual_height)-
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diff changeset
162 (a->virtual_width*a->virtual_height));
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diff changeset
163 } else {
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diff changeset
164 return(ColorSpaceToBitsPerPixel(b->space)-
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165 ColorSpaceToBitsPerPixel(a->space));
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166 }
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diff changeset
167 #endif
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168 return 0;
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169 }
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170
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171 /* Yes, this isn't the fastest it could be, but it works nicely */
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diff changeset
172 static int QT_AddMode(_THIS, int index, unsigned int w, unsigned int h)
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173 {
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174 SDL_Rect *mode;
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175 int i;
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176 int next_mode;
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177
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178 /* Check to see if we already have this mode */
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179 if ( SDL_nummodes[index] > 0 ) {
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180 for ( i=SDL_nummodes[index]-1; i >= 0; --i ) {
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181 mode = SDL_modelist[index][i];
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182 if ( (mode->w == w) && (mode->h == h) ) {
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183 return(0);
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184 }
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185 }
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186 }
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187
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188 /* Set up the new video mode rectangle */
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189 mode = (SDL_Rect *)malloc(sizeof *mode);
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190 if ( mode == NULL ) {
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191 SDL_OutOfMemory();
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192 return(-1);
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193 }
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194 mode->x = 0;
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195 mode->y = 0;
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196 mode->w = w;
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197 mode->h = h;
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198 #ifdef QTOPIA_DEBUG
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199 fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1);
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200 #endif
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201
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202 /* Allocate the new list of modes, and fill in the new mode */
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203 next_mode = SDL_nummodes[index];
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204 SDL_modelist[index] = (SDL_Rect **)
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205 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
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206 if ( SDL_modelist[index] == NULL ) {
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207 SDL_OutOfMemory();
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diff changeset
208 SDL_nummodes[index] = 0;
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209 free(mode);
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210 return(-1);
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211 }
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212 SDL_modelist[index][next_mode] = mode;
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213 SDL_modelist[index][next_mode+1] = NULL;
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214 SDL_nummodes[index]++;
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215
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216 return(0);
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217 }
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218
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219 int QT_VideoInit(_THIS, SDL_PixelFormat *vformat)
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220 {
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221 /* Initialize the QPE Application */
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222 /* Determine the screen depth */
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223 vformat->BitsPerPixel = QPixmap::defaultDepth();
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224
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225 // For now we hardcode the current depth because anything else
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226 // might as well be emulated by SDL rather than by Qtopia.
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227
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228 QSize desktop_size = qApp->desktop()->size();
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229 QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
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230 desktop_size.width(), desktop_size.height());
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231 QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
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232 desktop_size.height(), desktop_size.width());
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233
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234 /* Create the window / widget */
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diff changeset
235 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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parents: 371
diff changeset
236 ((QPEApplication*)qApp)->showMainWidget(SDL_Win);
371
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diff changeset
237 /* Fill in some window manager capabilities */
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238 _this->info.wm_available = 0;
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diff changeset
239
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diff changeset
240 /* We're done! */
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diff changeset
241 return(0);
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diff changeset
242 }
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diff changeset
243
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diff changeset
244 /* We support any dimension at our bit-depth */
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diff changeset
245 SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
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diff changeset
246 {
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diff changeset
247 SDL_Rect **modes;
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diff changeset
248
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249 modes = ((SDL_Rect **)0);
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diff changeset
250 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
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diff changeset
251 modes = SDL_modelist[((format->BitsPerPixel+7)/8)-1];
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diff changeset
252 } else {
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diff changeset
253 if ( format->BitsPerPixel ==
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diff changeset
254 _this->screen->format->BitsPerPixel ) {
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diff changeset
255 modes = ((SDL_Rect **)-1);
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diff changeset
256 }
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diff changeset
257 }
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diff changeset
258 return(modes);
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parents:
diff changeset
259 }
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diff changeset
260
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diff changeset
261 /* Various screen update functions available */
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diff changeset
262 static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects);
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diff changeset
263
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diff changeset
264
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diff changeset
265 static int QT_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen)
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diff changeset
266 {
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diff changeset
267 return -1;
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diff changeset
268 }
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diff changeset
269
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diff changeset
270 static int QT_ToggleFullScreen(_THIS, int fullscreen)
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diff changeset
271 {
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diff changeset
272 return -1;
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diff changeset
273 }
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diff changeset
274
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diff changeset
275 /* FIXME: check return values and cleanup here */
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diff changeset
276 SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current,
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diff changeset
277 int width, int height, int bpp, Uint32 flags)
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diff changeset
278 {
379
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
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diff changeset
279
371
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diff changeset
280 QImage *qimage;
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diff changeset
281 QSize desktop_size = qApp->desktop()->size();
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diff changeset
282
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parents:
diff changeset
283
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diff changeset
284 current->flags = SDL_FULLSCREEN; // We always run fullscreen.
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diff changeset
285
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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parents: 379
diff changeset
286 if(width <= desktop_size.width()
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parents: 379
diff changeset
287 && height <= desktop_size.height()) {
371
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parents:
diff changeset
288 current->w = desktop_size.width();
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diff changeset
289 current->h = desktop_size.height();
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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parents: 379
diff changeset
290 } else if(width <= desktop_size.height() && height <= desktop_size.width()) {
371
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parents:
diff changeset
291 // Landscape mode
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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parents: 379
diff changeset
292 char * envString = getenv(SDL_QT_ROTATION_ENV_NAME);
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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diff changeset
293 int envValue = envString ? atoi(envString) : 0;
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diff changeset
294 screenRotation = envValue ? SDL_QT_ROTATION_270 : SDL_QT_ROTATION_90;
371
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parents:
diff changeset
295 current->h = desktop_size.width();
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diff changeset
296 current->w = desktop_size.height();
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diff changeset
297 } else {
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diff changeset
298 SDL_SetError("Unsupported resolution, %dx%d\n", width, height);
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parents:
diff changeset
299 }
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300 if ( flags & SDL_OPENGL ) {
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301 SDL_SetError("OpenGL not supported");
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302 return(NULL);
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303 }
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304 /* Create the QImage framebuffer */
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305 qimage = new QImage(current->w, current->h, bpp);
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306 if (qimage->isNull()) {
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307 SDL_SetError("Couldn't create screen bitmap");
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308 delete qimage;
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309 return(NULL);
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310 }
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311 current->pitch = qimage->bytesPerLine();
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312 current->pixels = (void *)qimage->bits();
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313 SDL_Win->setImage(qimage);
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314 _this->UpdateRects = QT_NormalUpdate;
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315 SDL_Win->setFullscreen(true);
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316 /* We're done */
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317 return(current);
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318 }
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319
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320 /* Update the current mouse state and position */
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321 void QT_UpdateMouse(_THIS)
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322 {
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323 QPoint point(-1, -1);
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324 if ( SDL_Win->isActiveWindow() ) {
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325 point = SDL_Win->mousePos();
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326 }
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327
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328 if ( (point.x() >= 0) && (point.x() < SDL_VideoSurface->w) &&
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329 (point.y() >= 0) && (point.y() < SDL_VideoSurface->h) ) {
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330 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
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331 SDL_PrivateMouseMotion(0, 0,
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332 (Sint16)point.x(), (Sint16)point.y());
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333 } else {
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334 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
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335 }
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336 }
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337
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338 /* We don't actually allow hardware surfaces other than the main one */
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339 static int QT_AllocHWSurface(_THIS, SDL_Surface *surface)
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340 {
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341 return(-1);
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342 }
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343 static void QT_FreeHWSurface(_THIS, SDL_Surface *surface)
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344 {
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345 return;
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346 }
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347 static int QT_LockHWSurface(_THIS, SDL_Surface *surface)
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348 {
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349 return(0);
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350 }
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351 static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface)
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352 {
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353 return;
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354 }
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355
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356 static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
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357 {
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358 int i;
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359 SDL_Win->lockScreen();
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360 for ( i=0; i<numrects; ++i ) {
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361 QRect rect(rects[i].x, rects[i].y,
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362 rects[i].w, rects[i].h);
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363 SDL_Win->repaintRect(rect);
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364 }
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365 SDL_Win->unlockScreen();
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366 }
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367 /* Is the system palette settable? */
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368 int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
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369 {
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370 return -1;
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371 }
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372
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373 void QT_VideoQuit(_THIS)
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374 {
379
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
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375 // This is dumb, but if I free this, the app doesn't exit correctly.
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376 // Of course, this will leak memory if init video is done more than once.
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377 // Sucks but such is life.
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378
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379 // -- David Hedbor
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380 // delete SDL_Win;
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381 // SDL_Win = 0;
371
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382 _this->screen->pixels = NULL;
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383 }
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384
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385 }; /* Extern C */