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annotate src/video/riscos/SDL_wimpvideo.c @ 946:8520712f8ef0

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author Sam Lantinga <slouken@libsdl.org>
date Sat, 21 Aug 2004 14:54:49 +0000
parents b8d311d90021
children 974ba6ae0fa3
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
630
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 /*
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24 File added by Alan Buckley (alan_baa@hotmail.com) for RISCOS compatability
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25 27 March 2003
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26
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27 Implements RISCOS wimp display.
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28 */
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29
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33
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34 #include "SDL.h"
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35 #include "SDL_error.h"
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36 #include "SDL_video.h"
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37 #include "SDL_mouse.h"
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38 #include "SDL_sysvideo.h"
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39 #include "SDL_pixels_c.h"
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40 #include "SDL_events_c.h"
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41
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42 #include "SDL_riscostask.h"
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43 #include "SDL_riscosvideo.h"
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44 #include "SDL_riscosevents_c.h"
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45 #include "SDL_riscosmouse_c.h"
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46
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47 #include "kernel.h"
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48 #include "swis.h"
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49
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50 /* Initialization/Query functions */
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51 SDL_Rect **WIMP_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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52 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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53 int WIMP_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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54 void WIMP_SetWMCaption(_THIS, const char *title, const char *icon);
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55
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56
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57 extern unsigned char *WIMP_CreateBuffer(int width, int height, int bpp);
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58 extern void WIMP_PumpEvents(_THIS);
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59 extern void WIMP_PlotSprite(_THIS, int x, int y);
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60 extern void WIMP_SetupPlotInfo(_THIS);
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61 extern void WIMP_SetFocus(int win);
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62
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63 /* etc. */
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64 static void WIMP_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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65
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66 /* RISC OS Wimp handling helpers */
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67 void WIMP_ReadModeInfo(_THIS);
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68 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface);
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69 void WIMP_SetDeviceMode(_THIS);
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70 void WIMP_DeleteWindow(_THIS);
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71
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72 /* FULLSCREEN function required for wimp/fullscreen toggling */
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73 extern int FULLSCREEN_SetMode(int width, int height, int bpp);
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74
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75 /* Currently need to set this up here as it only works if you
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76 start up in a Wimp mode */
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77 extern int RISCOS_ToggleFullScreen(_THIS, int fullscreen);
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78
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79 extern int riscos_backbuffer;
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80 extern int mouseInWindow;
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81 extern int riscos_closeaction;
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82
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83 /* Following needed to ensure window is shown immediately */
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84 extern int hasFocus;
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85 extern void WIMP_Poll(_THIS, int waitTime);
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86
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87 SDL_Surface *WIMP_SetVideoMode(_THIS, SDL_Surface *current,
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88 int width, int height, int bpp, Uint32 flags)
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89 {
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90 Uint32 Rmask = 0;
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91 Uint32 Gmask = 0;
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92 Uint32 Bmask = 0;
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93 char *buffer = NULL;
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94 int bytesPerPixel = 1;
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95
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96 /* Don't support double buffering in Wimp mode */
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97 flags &= ~SDL_DOUBLEBUF;
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98 flags &= ~SDL_HWSURFACE;
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99
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100 switch(bpp)
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101 {
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102 case 8:
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103 /* Emulated palette using ColourTrans */
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104 flags |= SDL_HWPALETTE;
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105 break;
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106
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107 case 15:
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108 case 16:
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109 Bmask = 0x00007c00;
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110 Gmask = 0x000003e0;
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111 Rmask = 0x0000001f;
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112 bytesPerPixel = 2;
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113 break;
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114
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115 case 32:
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116 Bmask = 0x00ff0000;
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117 Gmask = 0x0000ff00;
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118 Rmask = 0x000000ff;
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119 bytesPerPixel = 4;
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120 break;
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121
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122 default:
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123 SDL_SetError("Pixel depth not supported");
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124 return NULL;
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125 break;
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126 }
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127
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128 /* printf("Setting mode %dx%d\n", width, height);*/
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129
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130 /* Allocate the new pixel format for the screen */
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131 if ( ! SDL_ReallocFormat(current, bpp, Rmask, Gmask, Bmask, 0) ) {
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132 SDL_SetError("Couldn't allocate new pixel format for requested mode");
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133 return(NULL);
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134 }
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135
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136 /* Set up the new mode framebuffer */
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137 current->w = width;
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138 this->hidden->height = current->h = height;
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139
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140 if (bpp == 15) bpp = 16;
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141 buffer = WIMP_CreateBuffer(width, height, bpp);
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parents:
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142 if (buffer == NULL)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 SDL_SetError("Couldn't create sprite for video memory");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 return (NULL);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 }
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diff changeset
147
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 this->hidden->bank[0] = buffer + 60; /* Start of sprite data */
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149 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
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150
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 this->hidden->bank[1] = buffer; /* Start of buffer */
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152
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 /* Remember sprite buffer so it can be freed later */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 if (this->hidden->alloc_bank) free(this->hidden->alloc_bank);
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parents:
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155 this->hidden->alloc_bank = buffer;
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Sam Lantinga <slouken@libsdl.org>
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156
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
157 current->pitch = width * bytesPerPixel;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 if ((current->pitch & 3))
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 /* Sprites are 32bit word aligned */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 current->pitch += (4 - (current->pitch & 3));
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Sam Lantinga <slouken@libsdl.org>
parents:
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162 }
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Sam Lantinga <slouken@libsdl.org>
parents:
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163
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Sam Lantinga <slouken@libsdl.org>
parents:
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164 current->flags = flags | SDL_PREALLOC;
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165
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Sam Lantinga <slouken@libsdl.org>
parents:
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166 WIMP_ReadModeInfo(this);
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167
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 memset(this->hidden->bank[0], 0, height * current->pitch);
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169
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 this->hidden->current_bank = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 current->pixels = this->hidden->bank[0];
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172
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173
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Sam Lantinga <slouken@libsdl.org>
parents:
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174 if (WIMP_SetupWindow(this, current) == 0)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 {
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Sam Lantinga <slouken@libsdl.org>
parents:
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176 SDL_SetError("Unable to create window to display surface");
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Sam Lantinga <slouken@libsdl.org>
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177 return NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
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178 }
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Sam Lantinga <slouken@libsdl.org>
parents:
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179
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 /* Reset device functions for the wimp */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 WIMP_SetDeviceMode(this);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
182
634
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parents: 630
diff changeset
183 /* Needs to set up plot info after window has been created */
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parents: 630
diff changeset
184 /* Not sure why, but plots don't work if I do it earlier */
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185 WIMP_SetupPlotInfo(this);
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diff changeset
186
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parents: 630
diff changeset
187 /* Poll until window is shown */
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Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
188 {
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
189 /* We wait until it gets the focus, but give up after 5 seconds
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parents: 630
diff changeset
190 in case the focus is prevented in any way.
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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parents: 630
diff changeset
191 */
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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parents: 630
diff changeset
192 Uint32 now = SDL_GetTicks();
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Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
193 while (!hasFocus && SDL_GetTicks() - now < 5000)
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diff changeset
194 {
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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diff changeset
195 WIMP_Poll(this, 0);
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Sam Lantinga <slouken@libsdl.org>
parents: 630
diff changeset
196 }
44d574ed4780 Date: Thu, 05 Jun 2003 09:36:40 +0100
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diff changeset
197 }
630
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198
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 /* We're done */
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200 return(current);
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diff changeset
201 }
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202
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203
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Sam Lantinga <slouken@libsdl.org>
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204 void WIMP_ReadModeInfo(_THIS)
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parents:
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205 {
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Sam Lantinga <slouken@libsdl.org>
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206 _kernel_swi_regs regs;
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207 int vars[6];
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208 int vals[5];
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209
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210 vars[0] = 4; /* XEig */
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211 vars[1] = 5; /* YEig */
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212 vars[2] = 9; /* Log base 2 bpp */
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213 vars[3] = 11; /* Screen Width - 1 */
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214 vars[4] = 12; /* Screen Depth - 1 */
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215 vars[5] = -1; /* Terminate list */
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216
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217 regs.r[0] = (int)vars;
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218 regs.r[1] = (int)vals;
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diff changeset
219 _kernel_swi(OS_ReadVduVariables, &regs, &regs);
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220 this->hidden->xeig = vals[0];
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Sam Lantinga <slouken@libsdl.org>
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221 this->hidden->yeig = vals[1];
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
222 this->hidden->screen_bpp = 1 << vals[2];
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parents:
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223 this->hidden->screen_width = vals[3] + 1;
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parents:
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224 this->hidden->screen_height = vals[4] + 1;
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225 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 /* Set device function to call the correct versions for running
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 in a wimp window */
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diff changeset
229
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
230 void WIMP_SetDeviceMode(_THIS)
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Sam Lantinga <slouken@libsdl.org>
parents:
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 if (this->UpdateRects == WIMP_UpdateRects) return; /* Already set up */
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parents:
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233
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 this->SetColors = WIMP_SetColors;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 this->UpdateRects = WIMP_UpdateRects;
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diff changeset
236
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 this->FlipHWSurface = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 this->SetCaption = WIMP_SetWMCaption;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 this->SetIcon = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 this->IconifyWindow = NULL;
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diff changeset
242
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 this->ShowWMCursor = WIMP_ShowWMCursor;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 this->WarpWMCursor = WIMP_WarpWMCursor;
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diff changeset
245
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 this->ToggleFullScreen = RISCOS_ToggleFullScreen;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 this->PumpEvents = WIMP_PumpEvents;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 }
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diff changeset
250
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 /* Setup the Window to display the surface */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 unsigned int WIMP_SetupWindow(_THIS, SDL_Surface *surface)
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parents:
diff changeset
253 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 int window_data[23];
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 int *window_block = window_data+1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 int x = (this->hidden->screen_width - surface->w) / 2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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parents:
diff changeset
258 int y = (this->hidden->screen_height - surface->h) / 2;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 int xeig = this->hidden->xeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 int yeig = this->hidden->yeig;
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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 mouseInWindow = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 /* 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
265 if (this->hidden->window_handle) WIMP_DeleteWindow(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 /* Setup window co-ordinates */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 window_block[0] = x << xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 window_block[1] = y << yeig;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 window_block[2] = window_block[0] + (surface->w << xeig);
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parents:
diff changeset
271 window_block[3] = window_block[1] + (surface->h << yeig);
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parents:
diff changeset
272
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 window_block[4] = 0; /* Scroll offsets */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 window_block[5] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 window_block[6] = -1; /* Open on top of window stack */
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parents:
diff changeset
277
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 window_block[7] = 0x85040042; /* Window flags */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 if (riscos_closeaction != 0) window_block[7] |= 0x2000000;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 /* TODO: Take into account surface->flags */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 window_block[8] = 0xff070207; /* Window colours */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 window_block[9] = 0x000c0103;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 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
286 window_block[11] = -surface->h << yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 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
288 window_block[13] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 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
290 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
291 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
292 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
293 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
294 window_block[19] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 window_block[20] = 256;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 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
297
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 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
299
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 /* Create the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 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
302 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 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
304
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 /* Show the window on the screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 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
307 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
308 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 WIMP_SetFocus(this->hidden->window_handle);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 } else
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 WIMP_DeleteWindow(this);
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 }
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 return this->hidden->window_handle;
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 /* Destroy the Window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 void WIMP_DeleteWindow(_THIS)
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 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 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
325 _kernel_swi(Wimp_DeleteWindow, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 this->hidden->window_handle = 0;
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
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 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
331 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 int update_block[12];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 int xeig = this->hidden->xeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 int yeig = this->hidden->yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 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
338
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 for (j = 0; j < numrects; j++)
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 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
342 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
343 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
344 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
345
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 regs.r[1] = (int)update_block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 /* 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
348 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
349 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 while (regs.r[0])
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 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
353 _kernel_swi(Wimp_GetRectangle, &regs, &regs);
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 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 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
361 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 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
363 int j;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 SDL_Rect update;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 pal += firstcolor*2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 for (j = 0; j < ncolors; j++)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 *pal = (((unsigned int)colors->r) << 8)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 + (((unsigned int)colors->g) << 16)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 + (((unsigned int)colors->b) << 24);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 pal[1] = *pal;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 pal += 2;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 colors++;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 WIMP_SetupPlotInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 /* Need to refresh the window */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 update.x = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 update.y = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 update.w = SDL_VideoSurface->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 update.h = SDL_VideoSurface->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 WIMP_UpdateRects(this, 1, &update);
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 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 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
390 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 strncpy(this->hidden->title, title, 255);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 this->hidden->title[255] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 if (RISCOS_GetWimpVersion() < 380)
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 int block[6];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 regs.r[1] = (int)block;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 _kernel_swi(Wimp_GetCaretPosition, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 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
403 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 regs.r[0] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 } else
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] = this->hidden->window_handle;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 regs.r[1] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 regs.r[2] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 regs.r[3] = -1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 regs.r[0] = block[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 regs.r[1] = block[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 regs.r[2] = block[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 regs.r[3] = block[3];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 regs.r[4] = block[4];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 regs.r[5] = block[5];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420 _kernel_swi(Wimp_SetCaretPosition, &regs,&regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 } else
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 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
424 regs.r[1] = 0x4b534154; /* "TASK" */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 regs.r[2] = 3; /* Redraw title */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 void WIMP_RefreshDesktop(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 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:
diff changeset
433 int height = this->hidden->screen_height << this->hidden->yeig;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
434 _kernel_swi_regs regs;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 regs.r[0] = -1; /* Whole screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436 regs.r[1] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 regs.r[2] = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
438 regs.r[3] = width;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 regs.r[4] = height;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 _kernel_swi(Wimp_ForceRedraw, &regs, &regs);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 /* Toggle to window from full screen */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 int WIMP_ToggleFromFullScreen(_THIS)
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 int width = this->screen->w;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 int height = this->screen->h;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 int bpp = this->screen->format->BitsPerPixel;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 char *buffer = NULL;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450 char *old_bank[2];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
451 char *old_alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
452
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 /* Ensure flags are OK */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 this->screen->flags &= ~(SDL_DOUBLEBUF|SDL_HWSURFACE);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
456 if (this->hidden->bank[0] == this->hidden->alloc_bank || riscos_backbuffer == 0)
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 /* Need to create a sprite for the screen and copy the data to it */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 char *data;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 buffer = WIMP_CreateBuffer(width, height, bpp);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 data = buffer + 60; /* Start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 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
463
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 if (buffer == NULL) return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465 memcpy(data, this->hidden->bank[0], width * height * this->screen->format->BytesPerPixel);
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 /* 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
468
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 old_bank[0] = this->hidden->bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
470 old_bank[1] = this->hidden->bank[1];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 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
472
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 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
474
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
475 this->hidden->bank[1] = this->hidden->alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 this->hidden->bank[0] = this->hidden->bank[1] + 60; /* Start of sprite data */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 if (bpp == 8) this->hidden->bank[0] += 2048; /* 8bpp sprite have palette first */
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 this->hidden->current_bank = 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
480 this->screen->pixels = this->hidden->bank[0];
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 RISCOS_RestoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483 WIMP_ReadModeInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 if (WIMP_SetupWindow(this, this->screen))
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485 {
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 WIMP_SetDeviceMode(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 WIMP_SetupPlotInfo(this);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
488
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 riscos_backbuffer = 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
490
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 if (buffer && old_alloc_bank) free(old_alloc_bank);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 return 1;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494 } else
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 /* 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
497 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
498 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
499 this->hidden->alloc_bank = old_alloc_bank;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
500 if (buffer) free(buffer);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
501
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
502 RISCOS_StoreWimpMode();
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
503 FULLSCREEN_SetMode(width, height, bpp);
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
504 }
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
505
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
506 return 0;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
507 }