Mercurial > sdl-ios-xcode
annotate src/video/riscos/SDL_wimppoll.c @ 2305:fbe8ff44c519
First pass of new SDL scancode concept for X11.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 07 Feb 2008 15:31:09 +0000 |
parents | c121d94672cb |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Library General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Library General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Library General Public |
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16 License along with this library; if not, write to the Free |
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #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 Pumping of events and WIMP polling |
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29 */ |
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30 |
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31 #include "SDL.h" |
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32 #include "SDL_syswm.h" |
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33 #include "../../events/SDL_sysevents.h" |
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34 #include "../../events/SDL_events_c.h" |
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35 #include "SDL_riscosvideo.h" |
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36 #include "SDL_riscosevents_c.h" |
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37 #include "SDL_riscosmouse_c.h" |
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38 #include "../../timer/SDL_timer_c.h" |
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39 |
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40 #include "memory.h" |
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41 #include "stdlib.h" |
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42 #include "ctype.h" |
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43 |
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44 #include "kernel.h" |
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45 #include "swis.h" |
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46 #include "unixlib/os.h" |
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47 |
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48 #if !SDL_THREADS_DISABLED |
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49 #include <pthread.h> |
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50 #endif |
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51 |
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52 /* Local functions */ |
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53 void WIMP_Poll(_THIS, int waitTime); |
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54 void WIMP_SetFocus(int win); |
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55 |
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56 /* SDL_riscossprite functions */ |
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57 void WIMP_PlotSprite(_THIS, int x, int y); |
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58 void WIMP_ModeChanged(_THIS); |
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59 void WIMP_PaletteChanged(_THIS); |
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60 |
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61 |
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62 extern void WIMP_PollMouse(_THIS); |
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63 extern void RISCOS_PollKeyboard(); |
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64 |
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65 #if SDL_THREADS_DISABLED |
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66 /* Timer running function */ |
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67 extern void RISCOS_CheckTimer(); |
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68 #else |
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69 extern int riscos_using_threads; |
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70 #endif |
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71 |
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72 /* Mouse cursor handling */ |
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73 extern void WIMP_ReshowCursor(_THIS); |
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74 extern void WIMP_RestoreWimpCursor(); |
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75 |
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76 int hasFocus = 0; |
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77 int mouseInWindow = 0; |
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78 |
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79 /* Flag to ensure window is correct size after a mode change */ |
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80 static int resizeOnOpen = 0; |
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81 |
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82 void |
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83 WIMP_PumpEvents(_THIS) |
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84 { |
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85 WIMP_Poll(this, 0); |
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86 if (hasFocus) |
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87 RISCOS_PollKeyboard(); |
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88 if (mouseInWindow) |
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89 WIMP_PollMouse(this); |
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90 #if SDL_THREADS_DISABLED |
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91 if (SDL_timer_running) |
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92 RISCOS_CheckTimer(); |
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93 #endif |
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94 } |
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95 |
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96 |
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97 void |
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98 WIMP_Poll(_THIS, int waitTime) |
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99 { |
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100 _kernel_swi_regs regs; |
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101 int message[64]; |
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102 unsigned int code; |
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103 int pollMask = 0; |
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104 int doPoll = 1; |
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105 int sysEvent; |
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106 int sdlWindow = this->hidden->window_handle; |
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107 |
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108 if (this->PumpEvents != WIMP_PumpEvents) |
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109 return; |
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110 |
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111 if (waitTime > 0) { |
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112 _kernel_swi(OS_ReadMonotonicTime, ®s, ®s); |
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113 waitTime += regs.r[0]; |
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114 } |
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115 |
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116 while (doPoll) { |
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117 #if !SDL_THREADS_DISABLED |
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118 /* Stop thread callbacks while program is paged out */ |
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119 if (riscos_using_threads) |
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120 __pthread_stop_ticker(); |
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121 #endif |
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122 |
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123 if (waitTime <= 0) { |
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124 regs.r[0] = pollMask; /* Poll Mask */ |
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125 /* For no wait time mask out null event so we wait until something happens */ |
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126 if (waitTime < 0) |
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127 regs.r[0] |= 1; |
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128 regs.r[1] = (int) message; |
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129 _kernel_swi(Wimp_Poll, ®s, ®s); |
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130 } else { |
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131 regs.r[0] = pollMask; |
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132 regs.r[1] = (int) message; |
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133 regs.r[2] = waitTime; |
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134 _kernel_swi(Wimp_PollIdle, ®s, ®s); |
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135 } |
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136 |
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137 /* Flag to specify if we post a SDL_SysWMEvent */ |
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138 sysEvent = 0; |
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139 |
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140 code = (unsigned int) regs.r[0]; |
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141 |
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142 switch (code) { |
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143 case 0: /* Null Event - drop out for standard processing */ |
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144 doPoll = 0; |
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145 break; |
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146 |
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147 case 1: /* Redraw window */ |
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148 _kernel_swi(Wimp_RedrawWindow, ®s, ®s); |
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149 if (message[0] == sdlWindow) { |
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150 while (regs.r[0]) { |
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151 WIMP_PlotSprite(this, message[1], message[2]); |
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152 _kernel_swi(Wimp_GetRectangle, ®s, ®s); |
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153 } |
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154 } else { |
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155 /* TODO: Currently we just eat them - we may need to pass them on */ |
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156 while (regs.r[0]) { |
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157 _kernel_swi(Wimp_GetRectangle, ®s, ®s); |
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158 } |
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159 } |
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160 break; |
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161 |
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162 case 2: /* Open window */ |
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163 if (resizeOnOpen && message[0] == sdlWindow) { |
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164 /* Ensure window is correct size */ |
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165 resizeOnOpen = 0; |
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166 message[3] = |
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167 message[1] + (this->screen->w << this->hidden->xeig); |
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168 message[4] = |
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169 message[2] + (this->screen->h << this->hidden->yeig); |
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170 } |
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171 _kernel_swi(Wimp_OpenWindow, ®s, ®s); |
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172 break; |
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173 |
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174 case 3: /* Close window */ |
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175 if (message[0] == sdlWindow) { |
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176 /* Documentation makes it looks as if the following line is correct: |
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177 ** if (SDL_PrivateQuit() == 1) _kernel_swi(Wimp_CloseWindow, ®s, ®s); |
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178 ** However some programs don't process this message and so sit there invisibly |
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179 ** in the background so I just post the quit message and hope the application |
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180 ** does the correct thing. |
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181 */ |
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182 SDL_PrivateQuit(); |
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183 } else |
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184 sysEvent = 1; |
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185 doPoll = 0; |
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186 break; |
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187 |
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188 case 4: /* Pointer_Leaving_Window */ |
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189 if (message[0] == sdlWindow) { |
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190 mouseInWindow = 0; |
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191 //TODO: Lose buttons / dragging |
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192 /* Reset to default pointer */ |
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193 WIMP_RestoreWimpCursor(); |
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194 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); |
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195 } else |
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196 sysEvent = 1; |
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197 break; |
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198 |
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199 case 5: /* Pointer_Entering_Window */ |
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200 if (message[0] == sdlWindow) { |
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201 mouseInWindow = 1; |
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202 WIMP_ReshowCursor(this); |
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203 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); |
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204 } else |
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205 sysEvent = 1; |
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206 break; |
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207 |
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208 case 6: /* Mouse_Click */ |
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209 if (hasFocus == 0) { |
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210 /* First click gives focus if it's not a menu */ |
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211 /* we only count non-menu clicks on a window that has the focus */ |
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212 WIMP_SetFocus(message[3]); |
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213 } else |
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214 doPoll = 0; // So PollMouse gets a chance to pick it up |
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215 break; |
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216 |
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217 case 7: /* User_Drag_Box - Used for mouse release */ |
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218 //TODO: May need to implement this in the future |
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219 sysEvent = 1; |
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220 break; |
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221 |
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222 case 8: /* Keypressed */ |
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223 doPoll = 0; /* PollKeyboard should pick it up */ |
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224 if (message[0] != sdlWindow) |
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225 sysEvent = 1; |
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226 /*TODO: May want to always pass F12 etc to the wimp |
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227 { |
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228 regs.r[0] = message[6]; |
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229 _kernel_swi(Wimp_ProcessKey, ®s, ®s); |
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230 } |
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231 */ |
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232 break; |
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233 |
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234 case 11: /* Lose Caret */ |
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235 hasFocus = 0; |
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236 if (message[0] == sdlWindow) |
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237 SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS); |
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238 else |
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239 sysEvent = 1; |
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240 break; |
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241 |
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242 case 12: /* Gain Caret */ |
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243 hasFocus = 1; |
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244 if (message[0] == sdlWindow) |
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245 SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); |
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246 else |
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247 sysEvent = 1; |
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248 break; |
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249 |
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250 case 17: |
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251 case 18: |
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252 sysEvent = 1; /* All messages are passed on */ |
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253 |
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254 switch (message[4]) { |
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255 case 0: /* Quit Event */ |
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256 /* No choice - have to quit */ |
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257 SDL_Quit(); |
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258 exit(0); |
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259 break; |
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260 |
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261 case 8: /* Pre Quit */ |
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262 SDL_PrivateQuit(); |
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263 break; |
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264 |
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265 case 0x400c1: /* Mode change */ |
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266 WIMP_ModeChanged(this); |
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267 resizeOnOpen = 1; |
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268 break; |
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269 |
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270 case 9: /* Palette changed */ |
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271 WIMP_PaletteChanged(this); |
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272 break; |
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273 } |
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274 break; |
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275 |
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276 default: |
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277 /* Pass unknown events on */ |
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278 sysEvent = 1; |
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279 break; |
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280 } |
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281 |
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282 if (sysEvent) { |
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283 SDL_SysWMmsg wmmsg; |
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284 |
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285 SDL_VERSION(&wmmsg.version); |
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286 wmmsg.eventCode = code; |
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287 SDL_memcpy(wmmsg.pollBlock, message, 64 * sizeof(int)); |
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288 |
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289 /* Fall out of polling loop if message is successfully posted */ |
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290 if (SDL_PrivateSysWMEvent(&wmmsg)) |
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291 doPoll = 0; |
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292 } |
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293 #if !SDL_THREADS_DISABLED |
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294 if (riscos_using_threads) { |
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295 /* Restart ticker here so other thread can not interfere |
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296 with the Redraw processing */ |
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297 if (riscos_using_threads) |
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298 __pthread_start_ticker(); |
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299 /* Give other threads a better chance of running */ |
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300 pthread_yield(); |
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301 } |
955
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302 #endif |
630
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303 } |
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|
304 } |
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305 |
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306 /* Set focus to specified window */ |
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307 void |
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308 WIMP_SetFocus(int win) |
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309 { |
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310 _kernel_swi_regs regs; |
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311 |
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312 regs.r[0] = win; |
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313 regs.r[1] = -1; /* Icon handle */ |
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314 regs.r[2] = 0; /* X-offset we just put it at position 0 */ |
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315 regs.r[3] = 0; /* Y-offset as above */ |
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316 regs.r[4] = 1 << 25; /* Caret is invisible */ |
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317 regs.r[5] = 0; /* index into string */ |
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318 |
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319 _kernel_swi(Wimp_SetCaretPosition, ®s, ®s); |
630
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|
320 } |
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|
321 |
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|
322 /** Run background task while in a sleep command */ |
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323 void |
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324 RISCOS_BackgroundTasks(void) |
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325 { |
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326 if (current_video && current_video->hidden->window_handle) { |
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327 WIMP_Poll(current_video, 0); |
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328 } |
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329 #if SDL_THREADS_DISABLED |
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330 if (SDL_timer_running) |
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331 RISCOS_CheckTimer(); |
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332 #endif |
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333 } |
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334 |
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335 /* vi: set ts=4 sw=4 expandtab: */ |