Mercurial > sdl-ios-xcode

annotate src/video/riscos/SDL_wimpvideo.c @ 1643:51038e80ae59

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More general fix for bug #189 The clipping is done at a higher level, and the low level functions are passed clipped rectangles. Drivers which don't support source clipping have not been changed, so the image will be squished instead of clipped, but at least they will no longer crash when the destination rect was out of bounds.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 17 Apr 2006 06:47:23 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
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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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c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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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, int height, int bpp, Uint32 flags);
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48 int WIMP_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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49 void WIMP_SetWMCaption(_THIS, const char *title, const char *icon);
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50
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51
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52 extern unsigned char *WIMP_CreateBuffer(int width, int height, int bpp);
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53 extern void WIMP_PumpEvents(_THIS);
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54 extern void WIMP_PlotSprite(_THIS, int x, int y);
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55 extern void WIMP_SetupPlotInfo(_THIS);
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56 extern void WIMP_SetFocus(int win);
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57
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58 /* etc. */
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59 static void WIMP_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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60
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61 /* RISC OS Wimp handling helpers */
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62 void WIMP_ReadModeInfo(_THIS);
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63 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface);
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64 void WIMP_SetDeviceMode(_THIS);
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65 void WIMP_DeleteWindow(_THIS);
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66
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67 /* FULLSCREEN function required for wimp/fullscreen toggling */
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68 extern int FULLSCREEN_SetMode(int width, int height, int bpp);
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69
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70 /* Currently need to set this up here as it only works if you
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71 start up in a Wimp mode */
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72 extern int RISCOS_ToggleFullScreen(_THIS, int fullscreen);
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73
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74 extern int riscos_backbuffer;
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75 extern int mouseInWindow;
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76 extern int riscos_closeaction;
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77
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78 /* Following needed to ensure window is shown immediately */
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79 extern int hasFocus;
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80 extern void WIMP_Poll(_THIS, int waitTime);
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81
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82 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current,
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83 int width, int height, int bpp, Uint32 flags)
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84 {
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85 Uint32 Rmask = 0;
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86 Uint32 Gmask = 0;
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87 Uint32 Bmask = 0;
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88 char *buffer = NULL;
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89 int bytesPerPixel = 1;
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90
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91 /* Don't support double buffering in Wimp mode */
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92 flags &= ~SDL_DOUBLEBUF;
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93 flags &= ~SDL_HWSURFACE;
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94
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95 switch(bpp)
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96 {
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97 case 8:
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98 /* Emulated palette using ColourTrans */
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99 flags |= SDL_HWPALETTE;
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100 break;
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101
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102 case 15:
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103 case 16:
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104 Bmask = 0x00007c00;
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105 Gmask = 0x000003e0;
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106 Rmask = 0x0000001f;
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107 bytesPerPixel = 2;
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108 break;
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109
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110 case 32:
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111 Bmask = 0x00ff0000;
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112 Gmask = 0x0000ff00;
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113 Rmask = 0x000000ff;
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114 bytesPerPixel = 4;
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115 break;
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116
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117 default:
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118 SDL_SetError("Pixel depth not supported");
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119 return NULL;
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120 break;
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121 }
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122
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123 /* printf("Setting mode %dx%d\n", width, height);*/
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124
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125 /* Allocate the new pixel format for the screen */
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126 if ( ! SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0) ) {
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127 SDL_SetError("Couldn't allocate new pixel format for requested mode");
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128 return(NULL);
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129 }
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130
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131 /* Set up the new mode framebuffer */
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132 current->w = width;
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133 this->hidden->height = current->h = height;
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134
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135 if (bpp == 15) bpp = 16;
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136 buffer = WIMP_CreateBuffer(width, height, bpp);
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137 if (buffer == NULL)
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138 {
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parents:
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139 SDL_SetError("Couldn't create sprite for video memory");
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parents:
diff changeset
140 return (NULL);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 }
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diff changeset
142
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
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144 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
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145
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 this->hidden->bank[1] = buffer; /* Start of buffer */
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147
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parents:
diff changeset
148 /* Remember sprite buffer so it can be freed later */
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149 if (this->hidden->alloc_bank) SDL_free(this->hidden->alloc_bank);
630
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150 this->hidden->alloc_bank = buffer;
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151
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
152 current->pitch = width * bytesPerPixel;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 if ((current->pitch & 3))
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 /* Sprites are 32bit word aligned */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 current->pitch += (4 - (current->pitch & 3));
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Sam Lantinga <slouken@libsdl.org>
parents:
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157 }
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parents:
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158
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Sam Lantinga <slouken@libsdl.org>
parents:
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159 current->flags = flags | SDL_PREALLOC;
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160
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 WIMP_ReadModeInfo(this);
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parents:
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162
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163 SDL_memset(this->hidden->bank[0], 0, height * current->pitch);
630
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164
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Sam Lantinga <slouken@libsdl.org>
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165 this->hidden->current_bank = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
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166 current->pixels = this->hidden->bank[0];
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167
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168
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Sam Lantinga <slouken@libsdl.org>
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169 if (WIMP_SetupWindow(this, current) == 0)
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Sam Lantinga <slouken@libsdl.org>
parents:
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170 {
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Sam Lantinga <slouken@libsdl.org>
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171 SDL_SetError("Unable to create window to display surface");
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Sam Lantinga <slouken@libsdl.org>
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172 return NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
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173 }
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Sam Lantinga <slouken@libsdl.org>
parents:
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174
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 /* Reset device functions for the wimp */
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Sam Lantinga <slouken@libsdl.org>
parents:
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176 WIMP_SetDeviceMode(this);
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Sam Lantinga <slouken@libsdl.org>
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177
634
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178 /* Needs to set up plot info after window has been created */
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Sam Lantinga <slouken@libsdl.org>
parents: 630
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179 /* Not sure why, but plots don't work if I do it earlier */
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180 WIMP_SetupPlotInfo(this);
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parents: 630
diff changeset
181
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Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
182 /* Poll until window is shown */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
183 {
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
184 /* We wait until it gets the focus, but give up after 5 seconds
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Sam Lantinga <slouken@libsdl.org>
parents: 630
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185 in case the focus is prevented in any way.
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Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
186 */
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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187 Uint32 now = SDL_GetTicks();
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
188 while (!hasFocus && SDL_GetTicks() - now < 5000)
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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diff changeset
189 {
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
Sam Lantinga <slouken@libsdl.org>
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190 WIMP_Poll(this, 0);
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Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
191 }
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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parents: 630
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192 }
630
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193
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194 /* We're done */
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195 return(current);
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196 }
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197
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198
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199 void WIMP_ReadModeInfo(_THIS)
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parents:
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200 {
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Sam Lantinga <slouken@libsdl.org>
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201 _kernel_swi_regs regs;
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202 int vars[6];
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203 int vals[5];
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204
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205 vars[0] = 4; /* XEig */
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206 vars[1] = 5; /* YEig */
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207 vars[2] = 9; /* Log base 2 bpp */
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208 vars[3] = 11; /* Screen Width - 1 */
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209 vars[4] = 12; /* Screen Depth - 1 */
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210 vars[5] = -1; /* Terminate list */
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211
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212 regs.r[0] = (int)vars;
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213 regs.r[1] = (int)vals;
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diff changeset
214 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
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215 this->hidden->xeig = vals[0];
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Sam Lantinga <slouken@libsdl.org>
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216 this->hidden->yeig = vals[1];
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
217 this->hidden->screen_bpp = 1 << vals[2];
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218 this->hidden->screen_width = vals[3] + 1;
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219 this->hidden->screen_height = vals[4] + 1;
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220 }
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parents:
diff changeset
221
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 /* Set device function to call the correct versions for running
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 in a wimp window */
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diff changeset
224
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
225 void WIMP_SetDeviceMode(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 {
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
227 if (this->UpdateRects == WIMP_UpdateRects) return; /* Already set up */
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228
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Sam Lantinga <slouken@libsdl.org>
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229 this->SetColors = WIMP_SetColors;
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diff changeset
230 this->UpdateRects = WIMP_UpdateRects;
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diff changeset
231
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
232 this->FlipHWSurface = NULL;
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diff changeset
233
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
234 this->SetCaption = WIMP_SetWMCaption;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 this->SetIcon = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
236 this->IconifyWindow = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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diff changeset
237
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 this->ShowWMCursor = WIMP_ShowWMCursor;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 this->WarpWMCursor = WIMP_WarpWMCursor;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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diff changeset
240
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 this->ToggleFullScreen = RISCOS_ToggleFullScreen;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 this->PumpEvents = WIMP_PumpEvents;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 /* Setup the Window to display the surface */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface)
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parents:
diff changeset
248 {
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parents:
diff changeset
249 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 int window_data[23];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 int *window_block = window_data+1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 int x = (this->hidden->screen_width - surface->w) / 2;
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parents:
diff changeset
253 int y = (this->hidden->screen_height - surface->h) / 2;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 int xeig = this->hidden->xeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 int yeig = this->hidden->yeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 mouseInWindow = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 /* Always delete the window and recreate on a change */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 if (this->hidden->window_handle) WIMP_DeleteWindow(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 /* Setup window co-ordinates */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 window_block[0] = x << xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 window_block[1] = y << yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 window_block[2] = window_block[0] + (surface->w << xeig);
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parents:
diff changeset
266 window_block[3] = window_block[1] + (surface->h << yeig);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 window_block[4] = 0; /* Scroll offsets */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 window_block[5] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 window_block[6] = -1; /* Open on top of window stack */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 window_block[7] = 0x85040042; /* Window flags */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 if (riscos_closeaction != 0) window_block[7] |= 0x2000000;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 /* TODO: Take into account surface->flags */
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parents:
diff changeset
277
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 window_block[8] = 0xff070207; /* Window colours */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 window_block[9] = 0x000c0103;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 window_block[10] = 0; /* Work area minimum */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 window_block[11] = -surface->h << yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 window_block[12] = surface->w << xeig; /* Work area maximum */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 window_block[13] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 window_block[14] = 0x2700013d; /* Title icon flags */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 window_block[15] = 0x00003000; /* Work area flags - Mouse click down reported */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 window_block[16] = 1; /* Sprite area control block pointer */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 window_block[17] = 0x00100010; /* Minimum window size (width & height) (16x16)*/
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 window_block[18] = (int)this->hidden->title; /* Title data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 window_block[19] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290 window_block[20] = 256;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 window_block[21] = 0; /* Number of icons */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 regs.r[1] = (unsigned int)(window_block);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 /* Create the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 if (_kernel_swi(Wimp_CreateWindow, &regs, &regs) == NULL)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 this->hidden->window_handle = window_data[0] = regs.r[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 /* Show the window on the screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 regs.r[1] = (unsigned int)window_data;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 if (_kernel_swi(Wimp_OpenWindow, &regs, &regs) == NULL)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 WIMP_SetFocus(this->hidden->window_handle);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 WIMP_DeleteWindow(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 return this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 /* Destroy the Window */
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 void WIMP_DeleteWindow(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 regs.r[1] = (unsigned int)&(this->hidden->window_handle);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 _kernel_swi(Wimp_DeleteWindow, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 this->hidden->window_handle = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 void WIMP_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
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 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 int update_block[12];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 int xeig = this->hidden->xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 int yeig = this->hidden->yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 update_block[0] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 for (j = 0; j < numrects; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 update_block[1] = rects[j].x << xeig; /* Min X */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 update_block[4] = -(rects[j].y << yeig);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338 update_block[3] = update_block[1] + (rects[j].w << xeig);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 update_block[2] = update_block[4] - (rects[j].h << yeig);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 regs.r[1] = (int)update_block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 /* Update window can fail if called before first poll */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 if (_kernel_swi(Wimp_UpdateWindow, &regs, &regs) == 0)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 while (regs.r[0])
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 WIMP_PlotSprite(this, update_block[1], update_block[2]);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 _kernel_swi(Wimp_GetRectangle, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353
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 int WIMP_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 unsigned int *pal = (unsigned int *)(this->hidden->bank[1]+60);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 SDL_Rect update;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 pal += firstcolor*2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 for (j = 0; j < ncolors; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 *pal = (((unsigned int)colors->r) << 8)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 + (((unsigned int)colors->g) << 16)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 + (((unsigned int)colors->b) << 24);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 pal[1] = *pal;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 pal += 2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 colors++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 WIMP_SetupPlotInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 /* Need to refresh the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 update.x = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 update.y = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 update.w = SDL_VideoSurface->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 update.h = SDL_VideoSurface->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 WIMP_UpdateRects(this, 1, &update);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 void WIMP_SetWMCaption(_THIS, const char *title, const char *icon)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
388 SDL_strlcpy(this->hidden->title, title, SDL_arraysize(this->hidden->title));
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 if (RISCOS_GetWimpVersion() < 380)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 int block[6];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 _kernel_swi(Wimp_GetCaretPosition, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 if (block[0] == (int)this->hidden->window_handle)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 regs.r[0] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 regs.r[2] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 regs.r[3] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 regs.r[0] = block[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 regs.r[1] = block[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 regs.r[2] = block[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 regs.r[3] = block[3];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 regs.r[4] = block[4];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 regs.r[5] = block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 regs.r[0] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 regs.r[1] = 0x4b534154; /* "TASK" */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 regs.r[2] = 3; /* Redraw title */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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421 }
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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424 void WIMP_RefreshDesktop(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
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425 {
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Sam Lantinga <slouken@libsdl.org>
parents:
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426 int width = this->hidden->screen_width << this->hidden->xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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427 int height = this->hidden->screen_height << this->hidden->yeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
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428 _kernel_swi_regs regs;
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Sam Lantinga <slouken@libsdl.org>
parents:
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429 regs.r[0] = -1; /* Whole screen */
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Sam Lantinga <slouken@libsdl.org>
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430 regs.r[1] = 0;
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Sam Lantinga <slouken@libsdl.org>
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431 regs.r[2] = 0;
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Sam Lantinga <slouken@libsdl.org>
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432 regs.r[3] = width;
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Sam Lantinga <slouken@libsdl.org>
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433 regs.r[4] = height;
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Sam Lantinga <slouken@libsdl.org>
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434 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
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Sam Lantinga <slouken@libsdl.org>
parents:
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435 }
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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:
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437 /* Toggle to window from full screen */
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Sam Lantinga <slouken@libsdl.org>
parents:
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438 int WIMP_ToggleFromFullScreen(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
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439 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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440 int width = this->screen->w;
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Sam Lantinga <slouken@libsdl.org>
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441 int height = this->screen->h;
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Sam Lantinga <slouken@libsdl.org>
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442 int bpp = this->screen->format->BitsPerPixel;
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Sam Lantinga <slouken@libsdl.org>
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443 char *buffer = NULL;
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Sam Lantinga <slouken@libsdl.org>
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444 char *old_bank[2];
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Sam Lantinga <slouken@libsdl.org>
parents:
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445 char *old_alloc_bank;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 /* Ensure flags are OK */
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Sam Lantinga <slouken@libsdl.org>
parents:
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448 this->screen->flags &= ~(SDL_DOUBLEBUF|SDL_HWSURFACE);
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Sam Lantinga <slouken@libsdl.org>
parents:
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449
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Sam Lantinga <slouken@libsdl.org>
parents:
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450 if (this->hidden->bank[0] == this->hidden->alloc_bank || riscos_backbuffer == 0)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452 /* Need to create a sprite for the screen and copy the data to it */
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Sam Lantinga <slouken@libsdl.org>
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453 char *data;
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Sam Lantinga <slouken@libsdl.org>
parents:
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454 buffer = WIMP_CreateBuffer(width, height, bpp);
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Sam Lantinga <slouken@libsdl.org>
parents:
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455 data = buffer + 60; /* Start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
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456 if (bpp == 8) data += 2048; /* 8bpp sprite have palette first */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
458 if (buffer == NULL) return 0;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
459 SDL_memcpy(data, this->hidden->bank[0], width * height * this->screen->format->BytesPerPixel);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 /* else We've switch to full screen before so we already have a sprite */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463 old_bank[0] = this->hidden->bank[0];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 old_bank[1] = this->hidden->bank[1];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 old_alloc_bank = this->hidden->alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 if (buffer != NULL) this->hidden->alloc_bank = buffer;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
468
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 this->hidden->bank[1] = this->hidden->alloc_bank;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 this->hidden->bank[0] = this->hidden->bank[1] + 60; /* Start of sprite data */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
472
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 this->hidden->current_bank = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
474 this->screen->pixels = this->hidden->bank[0];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 RISCOS_RestoreWimpMode();
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 WIMP_ReadModeInfo(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478 if (WIMP_SetupWindow(this, this->screen))
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 WIMP_SetDeviceMode(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 WIMP_SetupPlotInfo(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482
1035
974ba6ae0fa3 Date: Wed, 26 Jan 2005 13:37:09 GMT
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
483 if (riscos_backbuffer == 0) riscos_backbuffer = 1;
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
485 if (buffer && old_alloc_bank) SDL_free(old_alloc_bank);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490 /* Drop back to full screen mode on failure */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 this->hidden->bank[0] = old_bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492 this->hidden->bank[1] = old_bank[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 this->hidden->alloc_bank = old_alloc_bank;
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
494 if (buffer) SDL_free(buffer);
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
495
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
496 RISCOS_StoreWimpMode();
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 FULLSCREEN_SetMode(width, height, bpp);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501 }