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annotate src/video/qtopia/SDL_sysvideo.cc @ 1050:8e1815fd9777

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Holding down shift while moving the mouse's scrollwheel on MacOS X makes the OS report these are "horizontal scrollwheel" events, which confuses gaming apps in several legitimate conditions. Now all scrollwheel events are made to look vertical when passed to the app. Patch by John Knottenbelt. http://www.libsdl.org/pipermail/sdl/2005-March/067978.html
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Apr 2005 10:32:41 +0000
parents b8d311d90021
children c9b51268668f
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 static int QT_IconifyWindow(_THIS);
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79 static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode);
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80
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81 /* FB driver bootstrap functions */
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82
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83 static int QT_Available(void)
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84 {
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85 return(1);
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86 }
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87
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88 static void QT_DeleteDevice(SDL_VideoDevice *device)
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89 {
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90 free(device->hidden);
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91 free(device);
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92 }
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93
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94 static SDL_VideoDevice *QT_CreateDevice(int devindex)
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95 {
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96 SDL_VideoDevice *device;
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97
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98 /* Initialize all variables that we clean on shutdown */
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99 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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100 if ( device ) {
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101 memset(device, 0, (sizeof *device));
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102 device->hidden = (struct SDL_PrivateVideoData *)
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103 malloc((sizeof *device->hidden));
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104 }
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105 if ( (device == NULL) || (device->hidden == NULL) ) {
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106 SDL_OutOfMemory();
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107 if ( device ) {
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108 free(device);
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109 }
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110 return(0);
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111 }
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112 memset(device->hidden, 0, (sizeof *device->hidden));
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113
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114 /* Set the function pointers */
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115 device->VideoInit = QT_VideoInit;
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116 device->ListModes = QT_ListModes;
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117 device->SetVideoMode = QT_SetVideoMode;
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118 device->UpdateMouse = QT_UpdateMouse;
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119 device->SetColors = QT_SetColors;
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120 device->UpdateRects = NULL;
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121 device->VideoQuit = QT_VideoQuit;
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122 device->AllocHWSurface = QT_AllocHWSurface;
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123 device->CheckHWBlit = NULL;
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124 device->FillHWRect = NULL;
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125 device->SetHWColorKey = NULL;
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126 device->SetHWAlpha = NULL;
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127 device->LockHWSurface = QT_LockHWSurface;
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128 device->UnlockHWSurface = QT_UnlockHWSurface;
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129 device->FlipHWSurface = NULL;
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130 device->FreeHWSurface = QT_FreeHWSurface;
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131 device->SetIcon = NULL;
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132 device->SetCaption = QT_SetWMCaption;
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133 device->IconifyWindow = QT_IconifyWindow;
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134 device->GrabInput = QT_GrabInput;
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135 device->GetWMInfo = NULL;
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136 device->FreeWMCursor = QT_FreeWMCursor;
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137 device->CreateWMCursor = QT_CreateWMCursor;
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138 device->ShowWMCursor = QT_ShowWMCursor;
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139 device->WarpWMCursor = QT_WarpWMCursor;
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140 device->InitOSKeymap = QT_InitOSKeymap;
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141 device->PumpEvents = QT_PumpEvents;
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142
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143 device->free = QT_DeleteDevice;
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144 device->ToggleFullScreen = QT_ToggleFullScreen;
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145
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146 /* Set the driver flags */
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147 device->handles_any_size = 0;
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148
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diff changeset
149 return device;
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150 }
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151
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diff changeset
152 VideoBootStrap Qtopia_bootstrap = {
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diff changeset
153 "qtopia", "Qtopia / QPE graphics",
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diff changeset
154 QT_Available, QT_CreateDevice
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diff changeset
155 };
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156
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diff changeset
157 /* Function to sort the display_list */
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158 static int CompareModes(const void *A, const void *B)
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159 {
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diff changeset
160 #if 0
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161 const display_mode *a = (display_mode *)A;
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162 const display_mode *b = (display_mode *)B;
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163
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164 if ( a->space == b->space ) {
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165 return((b->virtual_width*b->virtual_height)-
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166 (a->virtual_width*a->virtual_height));
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diff changeset
167 } else {
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diff changeset
168 return(ColorSpaceToBitsPerPixel(b->space)-
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169 ColorSpaceToBitsPerPixel(a->space));
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170 }
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171 #endif
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172 return 0;
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173 }
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174
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175 /* Yes, this isn't the fastest it could be, but it works nicely */
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176 static int QT_AddMode(_THIS, int index, unsigned int w, unsigned int h)
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177 {
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178 SDL_Rect *mode;
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179 int i;
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180 int next_mode;
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181
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182 /* Check to see if we already have this mode */
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183 if ( SDL_nummodes[index] > 0 ) {
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184 for ( i=SDL_nummodes[index]-1; i >= 0; --i ) {
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185 mode = SDL_modelist[index][i];
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186 if ( (mode->w == w) && (mode->h == h) ) {
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187 return(0);
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188 }
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189 }
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190 }
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191
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192 /* Set up the new video mode rectangle */
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193 mode = (SDL_Rect *)malloc(sizeof *mode);
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194 if ( mode == NULL ) {
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195 SDL_OutOfMemory();
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196 return(-1);
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197 }
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198 mode->x = 0;
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199 mode->y = 0;
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200 mode->w = w;
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201 mode->h = h;
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202 #ifdef QTOPIA_DEBUG
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203 fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1);
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204 #endif
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205
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206 /* Allocate the new list of modes, and fill in the new mode */
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207 next_mode = SDL_nummodes[index];
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208 SDL_modelist[index] = (SDL_Rect **)
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209 realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
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210 if ( SDL_modelist[index] == NULL ) {
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211 SDL_OutOfMemory();
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212 SDL_nummodes[index] = 0;
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213 free(mode);
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214 return(-1);
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215 }
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216 SDL_modelist[index][next_mode] = mode;
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217 SDL_modelist[index][next_mode+1] = NULL;
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218 SDL_nummodes[index]++;
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219
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220 return(0);
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221 }
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222
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223 int QT_VideoInit(_THIS, SDL_PixelFormat *vformat)
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224 {
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225 /* Initialize the QPE Application */
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226 /* Determine the screen depth */
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227 vformat->BitsPerPixel = QPixmap::defaultDepth();
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228
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229 // For now we hardcode the current depth because anything else
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230 // might as well be emulated by SDL rather than by Qtopia.
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231
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232 QSize desktop_size = qApp->desktop()->size();
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233 QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
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234 desktop_size.width(), desktop_size.height());
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diff changeset
235 QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
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diff changeset
236 desktop_size.height(), desktop_size.width());
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237
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238 /* Create the window / widget */
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diff changeset
239 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
240 ((QPEApplication*)qApp)->showMainWidget(SDL_Win);
371
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diff changeset
241 /* Fill in some window manager capabilities */
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diff changeset
242 _this->info.wm_available = 0;
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diff changeset
243
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diff changeset
244 /* We're done! */
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245 return(0);
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diff changeset
246 }
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diff changeset
247
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diff changeset
248 /* We support any dimension at our bit-depth */
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diff changeset
249 SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
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diff changeset
250 {
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diff changeset
251 SDL_Rect **modes;
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diff changeset
252
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diff changeset
253 modes = ((SDL_Rect **)0);
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diff changeset
254 if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
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diff changeset
255 modes = SDL_modelist[((format->BitsPerPixel+7)/8)-1];
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diff changeset
256 } else {
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diff changeset
257 if ( format->BitsPerPixel ==
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diff changeset
258 _this->screen->format->BitsPerPixel ) {
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diff changeset
259 modes = ((SDL_Rect **)-1);
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diff changeset
260 }
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diff changeset
261 }
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diff changeset
262 return(modes);
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parents:
diff changeset
263 }
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diff changeset
264
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diff changeset
265 /* Various screen update functions available */
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diff changeset
266 static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects);
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diff changeset
267
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diff changeset
268
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diff changeset
269 static int QT_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen)
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diff changeset
270 {
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diff changeset
271 return -1;
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diff changeset
272 }
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diff changeset
273
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diff changeset
274 static int QT_ToggleFullScreen(_THIS, int fullscreen)
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diff changeset
275 {
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diff changeset
276 return -1;
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diff changeset
277 }
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diff changeset
278
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diff changeset
279 /* FIXME: check return values and cleanup here */
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diff changeset
280 SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current,
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diff changeset
281 int width, int height, int bpp, Uint32 flags)
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diff changeset
282 {
379
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
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parents: 371
diff changeset
283
371
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diff changeset
284 QImage *qimage;
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diff changeset
285 QSize desktop_size = qApp->desktop()->size();
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diff changeset
286
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diff changeset
287
567
969fbd4dcd4e From: David Hedbor
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parents: 481
diff changeset
288 current->flags = 0; //SDL_FULLSCREEN; // We always run fullscreen.
371
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parents:
diff changeset
289
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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parents: 379
diff changeset
290 if(width <= desktop_size.width()
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parents: 379
diff changeset
291 && height <= desktop_size.height()) {
371
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parents:
diff changeset
292 current->w = desktop_size.width();
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diff changeset
293 current->h = desktop_size.height();
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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parents: 379
diff changeset
294 } else if(width <= desktop_size.height() && height <= desktop_size.width()) {
371
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parents:
diff changeset
295 // Landscape mode
481
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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diff changeset
296 char * envString = getenv(SDL_QT_ROTATION_ENV_NAME);
c96e2137f9eb Date: Sat, 31 Aug 2002 15:42:45 +0200
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diff changeset
297 int envValue = envString ? atoi(envString) : 0;
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diff changeset
298 screenRotation = envValue ? SDL_QT_ROTATION_270 : SDL_QT_ROTATION_90;
371
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parents:
diff changeset
299 current->h = desktop_size.width();
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diff changeset
300 current->w = desktop_size.height();
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diff changeset
301 } else {
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302 SDL_SetError("Unsupported resolution, %dx%d\n", width, height);
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303 }
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304 if ( flags & SDL_OPENGL ) {
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305 SDL_SetError("OpenGL not supported");
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306 return(NULL);
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307 }
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308 /* Create the QImage framebuffer */
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309 qimage = new QImage(current->w, current->h, bpp);
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310 if (qimage->isNull()) {
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311 SDL_SetError("Couldn't create screen bitmap");
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312 delete qimage;
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313 return(NULL);
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314 }
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315 current->pitch = qimage->bytesPerLine();
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316 current->pixels = (void *)qimage->bits();
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317 SDL_Win->setImage(qimage);
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318 _this->UpdateRects = QT_NormalUpdate;
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319 SDL_Win->setFullscreen(true);
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320 /* We're done */
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321 return(current);
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322 }
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323
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324 /* Update the current mouse state and position */
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325 void QT_UpdateMouse(_THIS)
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326 {
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327 QPoint point(-1, -1);
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328 if ( SDL_Win->isActiveWindow() ) {
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329 point = SDL_Win->mousePos();
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330 }
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331
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332 if ( (point.x() >= 0) && (point.x() < SDL_VideoSurface->w) &&
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333 (point.y() >= 0) && (point.y() < SDL_VideoSurface->h) ) {
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334 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
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335 SDL_PrivateMouseMotion(0, 0,
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336 (Sint16)point.x(), (Sint16)point.y());
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337 } else {
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338 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
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339 }
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340 }
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341
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342 /* We don't actually allow hardware surfaces other than the main one */
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343 static int QT_AllocHWSurface(_THIS, SDL_Surface *surface)
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344 {
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345 return(-1);
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346 }
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347 static void QT_FreeHWSurface(_THIS, SDL_Surface *surface)
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348 {
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349 return;
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350 }
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351 static int QT_LockHWSurface(_THIS, SDL_Surface *surface)
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352 {
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353 return(0);
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354 }
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355 static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface)
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356 {
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357 return;
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358 }
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diff changeset
359
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360 static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
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diff changeset
361 {
567
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diff changeset
362 if(SDL_Win->lockScreen()) {
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parents: 481
diff changeset
363 for(int i=0; i<numrects; ++i ) {
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diff changeset
364 QRect rect(rects[i].x, rects[i].y,
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diff changeset
365 rects[i].w, rects[i].h);
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366 SDL_Win->repaintRect(rect);
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diff changeset
367 }
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diff changeset
368 SDL_Win->unlockScreen();
371
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diff changeset
369 }
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diff changeset
370 }
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diff changeset
371 /* Is the system palette settable? */
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diff changeset
372 int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
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parents:
diff changeset
373 {
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374 return -1;
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diff changeset
375 }
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parents:
diff changeset
376
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diff changeset
377 void QT_VideoQuit(_THIS)
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diff changeset
378 {
379
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
Sam Lantinga <slouken@libsdl.org>
parents: 371
diff changeset
379 // This is dumb, but if I free this, the app doesn't exit correctly.
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
Sam Lantinga <slouken@libsdl.org>
parents: 371
diff changeset
380 // Of course, this will leak memory if init video is done more than once.
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Sam Lantinga <slouken@libsdl.org>
parents: 371
diff changeset
381 // Sucks but such is life.
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
Sam Lantinga <slouken@libsdl.org>
parents: 371
diff changeset
382
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
Sam Lantinga <slouken@libsdl.org>
parents: 371
diff changeset
383 // -- David Hedbor
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
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parents: 371
diff changeset
384 // delete SDL_Win;
11c8a7684f74 Date: Fri, 24 May 2002 10:32:00 -0700
Sam Lantinga <slouken@libsdl.org>
parents: 371
diff changeset
385 // SDL_Win = 0;
371
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diff changeset
386 _this->screen->pixels = NULL;
567
969fbd4dcd4e From: David Hedbor
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diff changeset
387 QT_GrabInput(_this, SDL_GRAB_OFF);
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parents: 481
diff changeset
388 }
969fbd4dcd4e From: David Hedbor
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parents: 481
diff changeset
389
969fbd4dcd4e From: David Hedbor
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diff changeset
390 static int QT_IconifyWindow(_THIS) {
969fbd4dcd4e From: David Hedbor
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parents: 481
diff changeset
391 SDL_Win->hide();
969fbd4dcd4e From: David Hedbor
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parents: 481
diff changeset
392
969fbd4dcd4e From: David Hedbor
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parents: 481
diff changeset
393 return true;
371
db0cc6034336 Added David Hedbor's Qtopia patches
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parents:
diff changeset
394 }
db0cc6034336 Added David Hedbor's Qtopia patches
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parents:
diff changeset
395
567
969fbd4dcd4e From: David Hedbor
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parents: 481
diff changeset
396 static SDL_GrabMode QT_GrabInput(_THIS, SDL_GrabMode mode) {
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
397 if(mode == SDL_GRAB_OFF) {
969fbd4dcd4e From: David Hedbor
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parents: 481
diff changeset
398 QPEApplication::grabKeyboard();
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
399 qApp->processEvents();
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
400 QPEApplication::ungrabKeyboard();
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
401 } else {
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
402 QPEApplication::grabKeyboard();
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
403 }
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
404 qApp->processEvents();
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
405 return mode;
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
406 }
969fbd4dcd4e From: David Hedbor
Sam Lantinga <slouken@libsdl.org>
parents: 481
diff changeset
407
371
db0cc6034336 Added David Hedbor's Qtopia patches
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 }; /* Extern C */