annotate src/video/riscos/SDL_wimpvideo.c @ 4581:ef0aa488fff6

Fix X11_FillRects to work with double buffering as well as triple buffering. This requires that the buffer pixmap be cleared after every render.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Wed, 02 Jun 2010 11:45:15 +0530
parents f7b03b6838cb
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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 #include "SDL_config.h"
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23
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24 /*
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25 File added by Alan Buckley (alan_baa@hotmail.com) for RISC OS compatability
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26 27 March 2003
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27
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28 Implements RISC OS Wimp display.
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29 */
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30
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31 #include "SDL_video.h"
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32 #include "SDL_mouse.h"
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33 #include "../SDL_sysvideo.h"
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34 #include "../SDL_pixels_c.h"
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35 #include "../../events/SDL_events_c.h"
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36
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37 #include "SDL_riscostask.h"
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38 #include "SDL_riscosvideo.h"
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39 #include "SDL_riscosevents_c.h"
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40 #include "SDL_riscosmouse_c.h"
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41
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42 #include "kernel.h"
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43 #include "swis.h"
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44
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45 /* Initialization/Query functions */
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46 SDL_Rect **WIMP_ListModes(_THIS, SDL_PixelFormat * format, Uint32 flags);
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47 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface * current, int width,
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48 int height, int bpp, Uint32 flags);
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49 int WIMP_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color * colors);
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50 void WIMP_SetWMCaption(_THIS, const char *title, const char *icon);
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51
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52
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53 extern unsigned char *WIMP_CreateBuffer(int width, int height, int bpp);
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54 extern void WIMP_PumpEvents(_THIS);
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55 extern void WIMP_PlotSprite(_THIS, int x, int y);
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56 extern void WIMP_SetupPlotInfo(_THIS);
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57 extern void WIMP_SetFocus(int win);
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58
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59 /* etc. */
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60 static void WIMP_UpdateRects(_THIS, int numrects, SDL_Rect * rects);
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61
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62 /* RISC OS Wimp handling helpers */
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63 void WIMP_ReadModeInfo(_THIS);
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64 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface * surface);
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65 void WIMP_SetDeviceMode(_THIS);
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66 void WIMP_DeleteWindow(_THIS);
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67
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68 /* FULLSCREEN function required for wimp/fullscreen toggling */
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69 extern int FULLSCREEN_SetMode(int width, int height, int bpp);
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70
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71 /* Currently need to set this up here as it only works if you
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72 start up in a Wimp mode */
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73 extern int RISCOS_ToggleFullScreen(_THIS, int fullscreen);
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74
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75 extern int riscos_backbuffer;
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76 extern int mouseInWindow;
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77 extern int riscos_closeaction;
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78
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79 /* Following needed to ensure window is shown immediately */
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80 extern int hasFocus;
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81 extern void WIMP_Poll(_THIS, int waitTime);
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82
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83 SDL_Surface *
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84 WIMP_SetVideoMode(_THIS, SDL_Surface * current,
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85 int width, int height, int bpp, Uint32 flags)
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86 {
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87 Uint32 Rmask = 0;
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88 Uint32 Gmask = 0;
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89 Uint32 Bmask = 0;
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90 char *buffer = NULL;
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91 int bytesPerPixel = 1;
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92
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93 /* Don't support double buffering in Wimp mode */
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94 flags &= ~SDL_DOUBLEBUF;
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95 flags &= ~SDL_HWSURFACE;
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96
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97 switch (bpp) {
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98 case 8:
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99 /* Emulated palette using ColourTrans */
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100 flags |= SDL_HWPALETTE;
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101 break;
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102
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103 case 15:
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104 case 16:
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105 Bmask = 0x00007c00;
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106 Gmask = 0x000003e0;
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107 Rmask = 0x0000001f;
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108 bytesPerPixel = 2;
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109 break;
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110
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111 case 32:
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112 Bmask = 0x00ff0000;
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113 Gmask = 0x0000ff00;
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114 Rmask = 0x000000ff;
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115 bytesPerPixel = 4;
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116 break;
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117
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118 default:
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119 SDL_SetError("Pixel depth not supported");
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120 return NULL;
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121 break;
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122 }
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123
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124 /* printf("Setting mode %dx%d\n", width, height);*/
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125
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126 /* Allocate the new pixel format for the screen */
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127 if (!SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0)) {
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128 SDL_SetError("Couldn't allocate new pixel format for requested mode");
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129 return (NULL);
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130 }
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131
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132 /* Set up the new mode framebuffer */
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133 current->w = width;
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134 this->hidden->height = current->h = height;
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135
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136 if (bpp == 15)
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137 bpp = 16;
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138 buffer = WIMP_CreateBuffer(width, height, bpp);
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139 if (buffer == NULL) {
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140 SDL_SetError("Couldn't create sprite for video memory");
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141 return (NULL);
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142 }
630
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143
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144 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
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145 if (bpp == 8)
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146 this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
630
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147
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148 this->hidden->bank[1] = buffer; /* Start of buffer */
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149
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150 /* Remember sprite buffer so it can be freed later */
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151 if (this->hidden->alloc_bank)
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152 SDL_free(this->hidden->alloc_bank);
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153 this->hidden->alloc_bank = buffer;
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154
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155 current->pitch = width * bytesPerPixel;
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156 if ((current->pitch & 3)) {
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157 /* Sprites are 32bit word aligned */
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158 current->pitch += (4 - (current->pitch & 3));
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159 }
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160
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161 current->flags = flags | SDL_PREALLOC;
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162
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163 WIMP_ReadModeInfo(this);
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164
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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165 SDL_memset(this->hidden->bank[0], 0, height * current->pitch);
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166
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167 this->hidden->current_bank = 0;
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168 current->pixels = this->hidden->bank[0];
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169
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170
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171 if (WIMP_SetupWindow(this, current) == 0) {
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172 SDL_SetError("Unable to create window to display surface");
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173 return NULL;
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174 }
630
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175
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176 /* Reset device functions for the wimp */
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177 WIMP_SetDeviceMode(this);
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178
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179 /* Needs to set up plot info after window has been created */
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180 /* Not sure why, but plots don't work if I do it earlier */
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181 WIMP_SetupPlotInfo(this);
634
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182
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183 /* Poll until window is shown */
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184 {
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185 /* We wait until it gets the focus, but give up after 5 seconds
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186 in case the focus is prevented in any way.
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187 */
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188 Uint32 now = SDL_GetTicks();
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189 while (!hasFocus && SDL_GetTicks() - now < 5000) {
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190 WIMP_Poll(this, 0);
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191 }
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192 }
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193
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194 /* We're done */
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195 return (current);
630
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196 }
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197
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198
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199 void
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200 WIMP_ReadModeInfo(_THIS)
630
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201 {
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202 _kernel_swi_regs regs;
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203 int vars[6];
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204 int vals[5];
630
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205
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206 vars[0] = 4; /* XEig */
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207 vars[1] = 5; /* YEig */
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208 vars[2] = 9; /* Log base 2 bpp */
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209 vars[3] = 11; /* Screen Width - 1 */
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210 vars[4] = 12; /* Screen Depth - 1 */
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211 vars[5] = -1; /* Terminate list */
630
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212
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213 regs.r[0] = (int) vars;
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diff changeset
214 regs.r[1] = (int) vals;
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215 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
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diff changeset
216 this->hidden->xeig = vals[0];
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217 this->hidden->yeig = vals[1];
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diff changeset
218 this->hidden->screen_bpp = 1 << vals[2];
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diff changeset
219 this->hidden->screen_width = vals[3] + 1;
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220 this->hidden->screen_height = vals[4] + 1;
630
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221 }
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222
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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223 /* Set device function to call the correct versions for running
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224 in a wimp window */
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225
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226 void
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227 WIMP_SetDeviceMode(_THIS)
630
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228 {
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229 if (this->UpdateRects == WIMP_UpdateRects)
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230 return; /* Already set up */
630
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diff changeset
231
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diff changeset
232 this->SetColors = WIMP_SetColors;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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233 this->UpdateRects = WIMP_UpdateRects;
630
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diff changeset
234
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235 this->FlipHWSurface = NULL;
630
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diff changeset
236
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diff changeset
237 this->SetCaption = WIMP_SetWMCaption;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
238 this->SetIcon = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
239 this->IconifyWindow = NULL;
630
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diff changeset
240
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diff changeset
241 this->ShowWMCursor = WIMP_ShowWMCursor;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
242 this->WarpWMCursor = WIMP_WarpWMCursor;
630
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243
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244 this->ToggleFullScreen = RISCOS_ToggleFullScreen;
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245
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diff changeset
246 this->PumpEvents = WIMP_PumpEvents;
630
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diff changeset
247 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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248
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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249 /* Setup the Window to display the surface */
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diff changeset
250 unsigned int
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diff changeset
251 WIMP_SetupWindow(_THIS, SDL_Surface * surface)
630
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252 {
1895
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253 _kernel_swi_regs regs;
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diff changeset
254 int window_data[23];
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diff changeset
255 int *window_block = window_data + 1;
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diff changeset
256 int x = (this->hidden->screen_width - surface->w) / 2;
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diff changeset
257 int y = (this->hidden->screen_height - surface->h) / 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
258 int xeig = this->hidden->xeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
259 int yeig = this->hidden->yeig;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
260
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
261 mouseInWindow = 0;
1895
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diff changeset
262
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
263 /* Always delete the window and recreate on a change */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
264 if (this->hidden->window_handle)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
265 WIMP_DeleteWindow(this);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
267 /* Setup window co-ordinates */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
268 window_block[0] = x << xeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
269 window_block[1] = y << yeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
270 window_block[2] = window_block[0] + (surface->w << xeig);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
271 window_block[3] = window_block[1] + (surface->h << yeig);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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272
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diff changeset
273
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
274 window_block[4] = 0; /* Scroll offsets */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
275 window_block[5] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
276 window_block[6] = -1; /* Open on top of window stack */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
277
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diff changeset
278 window_block[7] = 0x85040042; /* Window flags */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
279 if (riscos_closeaction != 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
280 window_block[7] |= 0x2000000;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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diff changeset
281
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diff changeset
282 /* TODO: Take into account surface->flags */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
283
1895
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diff changeset
284 window_block[8] = 0xff070207; /* Window colours */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
285 window_block[9] = 0x000c0103;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
286 window_block[10] = 0; /* Work area minimum */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
287 window_block[11] = -surface->h << yeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
288 window_block[12] = surface->w << xeig; /* Work area maximum */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
289 window_block[13] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
290 window_block[14] = 0x2700013d; /* Title icon flags */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
291 window_block[15] = 0x00003000; /* Work area flags - Mouse click down reported */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
292 window_block[16] = 1; /* Sprite area control block pointer */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
293 window_block[17] = 0x00100010; /* Minimum window size (width & height) (16x16) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
294 window_block[18] = (int) this->hidden->title; /* Title data */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
295 window_block[19] = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
296 window_block[20] = 256;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
297 window_block[21] = 0; /* Number of icons */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
298
1895
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diff changeset
299 regs.r[1] = (unsigned int) (window_block);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
300
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
301 /* Create the window */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
302 if (_kernel_swi(Wimp_CreateWindow, &regs, &regs) == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
303 this->hidden->window_handle = window_data[0] = regs.r[0];
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
304
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diff changeset
305 /* Show the window on the screen */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
306 regs.r[1] = (unsigned int) window_data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
307 if (_kernel_swi(Wimp_OpenWindow, &regs, &regs) == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
308 WIMP_SetFocus(this->hidden->window_handle);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
309 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
310 WIMP_DeleteWindow(this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
311 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
312 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
313
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
314 return this->hidden->window_handle;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 /* Destroy the Window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
318
1895
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diff changeset
319 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
320 WIMP_DeleteWindow(_THIS)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 {
1895
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diff changeset
322 _kernel_swi_regs regs;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1402
diff changeset
323 regs.r[1] = (unsigned int) &(this->hidden->window_handle);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
324 _kernel_swi(Wimp_DeleteWindow, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
325 this->hidden->window_handle = 0;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328
1895
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
329 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
330 WIMP_UpdateRects(_THIS, int numrects, SDL_Rect * rects)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 {
1895
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diff changeset
332 _kernel_swi_regs regs;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
333 int update_block[12];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
334 int xeig = this->hidden->xeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
335 int yeig = this->hidden->yeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
336 int j;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
337 update_block[0] = this->hidden->window_handle;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
339 for (j = 0; j < numrects; j++) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
340 update_block[1] = rects[j].x << xeig; /* Min X */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
341 update_block[4] = -(rects[j].y << yeig);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
342 update_block[3] = update_block[1] + (rects[j].w << xeig);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
343 update_block[2] = update_block[4] - (rects[j].h << yeig);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
345 regs.r[1] = (int) update_block;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
346 /* Update window can fail if called before first poll */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
347 if (_kernel_swi(Wimp_UpdateWindow, &regs, &regs) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
348 while (regs.r[0]) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
349 WIMP_PlotSprite(this, update_block[1], update_block[2]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
350 _kernel_swi(Wimp_GetRectangle, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
351 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
352 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
353 }
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
357 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
358 WIMP_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color * colors)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
360 unsigned int *pal = (unsigned int *) (this->hidden->bank[1] + 60);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
361 int j;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
362 SDL_Rect update;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
364 pal += firstcolor * 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
365 for (j = 0; j < ncolors; j++) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
366 *pal = (((unsigned int) colors->r) << 8)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
367 + (((unsigned int) colors->g) << 16)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
368 + (((unsigned int) colors->b) << 24);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
369 pal[1] = *pal;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
370 pal += 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
371 colors++;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
372 }
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
374 WIMP_SetupPlotInfo(this);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
376 /* Need to refresh the window */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
377 update.x = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
378 update.y = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
379 update.w = SDL_VideoSurface->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
380 update.h = SDL_VideoSurface->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
381 WIMP_UpdateRects(this, 1, &update);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
382
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
383 return 1;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
386 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
387 WIMP_SetWMCaption(_THIS, const char *title, const char *icon)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
389 _kernel_swi_regs regs;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
391 SDL_strlcpy(this->hidden->title, title,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
392 SDL_arraysize(this->hidden->title));
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
394 if (RISCOS_GetWimpVersion() < 380) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
395 int block[6];
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
397 regs.r[1] = (int) block;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
398 _kernel_swi(Wimp_GetCaretPosition, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
399 if (block[0] == (int) this->hidden->window_handle) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
400 regs.r[0] = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
401 _kernel_swi(Wimp_SetCaretPosition, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
402 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
403 regs.r[0] = this->hidden->window_handle;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
404 regs.r[1] = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
405 regs.r[2] = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
406 regs.r[3] = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
407 _kernel_swi(Wimp_SetCaretPosition, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
408 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
409 regs.r[0] = block[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
410 regs.r[1] = block[1];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
411 regs.r[2] = block[2];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
412 regs.r[3] = block[3];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
413 regs.r[4] = block[4];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
414 regs.r[5] = block[5];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
415 _kernel_swi(Wimp_SetCaretPosition, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
416 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
417 regs.r[0] = this->hidden->window_handle;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
418 regs.r[1] = 0x4b534154; /* "TASK" */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
419 regs.r[2] = 3; /* Redraw title */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
420 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
421 }
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
424 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
425 WIMP_RefreshDesktop(_THIS)
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
427 int width = this->hidden->screen_width << this->hidden->xeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
428 int height = this->hidden->screen_height << this->hidden->yeig;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
429 _kernel_swi_regs regs;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
430 regs.r[0] = -1; /* Whole screen */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
431 regs.r[1] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
432 regs.r[2] = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
433 regs.r[3] = width;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
434 regs.r[4] = height;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
435 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 /* Toggle to window from full screen */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
439 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
440 WIMP_ToggleFromFullScreen(_THIS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
441 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
442 int width = this->screen->w;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
443 int height = this->screen->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
444 int bpp = this->screen->format->BitsPerPixel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
445 char *buffer = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
446 char *old_bank[2];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
447 char *old_alloc_bank;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
449 /* Ensure flags are OK */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
450 this->screen->flags &= ~(SDL_DOUBLEBUF | SDL_HWSURFACE);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
452 if (this->hidden->bank[0] == this->hidden->alloc_bank
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
453 || riscos_backbuffer == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
454 /* Need to create a sprite for the screen and copy the data to it */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
455 char *data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
456 buffer = WIMP_CreateBuffer(width, height, bpp);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
457 data = buffer + 60; /* Start of sprite data */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
458 if (bpp == 8)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
459 data += 2048; /* 8bpp sprite have palette first */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
461 if (buffer == NULL)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
462 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
463 SDL_memcpy(data, this->hidden->bank[0],
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
464 width * height * this->screen->format->BytesPerPixel);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
465 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
466 /* else We've switch to full screen before so we already have a sprite */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
468 old_bank[0] = this->hidden->bank[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
469 old_bank[1] = this->hidden->bank[1];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
470 old_alloc_bank = this->hidden->alloc_bank;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
472 if (buffer != NULL)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
473 this->hidden->alloc_bank = buffer;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
475 this->hidden->bank[1] = this->hidden->alloc_bank;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
476 this->hidden->bank[0] = this->hidden->bank[1] + 60; /* Start of sprite data */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
477 if (bpp == 8)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
478 this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
480 this->hidden->current_bank = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
481 this->screen->pixels = this->hidden->bank[0];
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
483 RISCOS_RestoreWimpMode();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
484 WIMP_ReadModeInfo(this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
485 if (WIMP_SetupWindow(this, this->screen)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
486 WIMP_SetDeviceMode(this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
487 WIMP_SetupPlotInfo(this);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
489 if (riscos_backbuffer == 0)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
490 riscos_backbuffer = 1;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
492 if (buffer && old_alloc_bank)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
493 SDL_free(old_alloc_bank);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
495 return 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
496 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
497 /* Drop back to full screen mode on failure */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
498 this->hidden->bank[0] = old_bank[0];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
499 this->hidden->bank[1] = old_bank[1];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
500 this->hidden->alloc_bank = old_alloc_bank;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
501 if (buffer)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
502 SDL_free(buffer);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
504 RISCOS_StoreWimpMode();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
505 FULLSCREEN_SetMode(width, height, bpp);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
506 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
507
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
508 return 0;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
510
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
511 /* vi: set ts=4 sw=4 expandtab: */