Mercurial > sdl-ios-xcode
annotate src/video/directfb/SDL_DirectFB_mouse.c @ 4568:25b9cd8bdc30
Couriersud to Sam
I have done some quick changes and at least the code compiles again. It
also works with a number of the test executables with the DFB X11
backend. I hope to find time to get SDLMAME to work with latest SDL1.3
(i.e. rip out multi-keyboard, multi-mice & cursor support) next week to
test it further.
Regards,
André
author | Sam Lantinga <slouken@libsdl.org> |
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date | Fri, 23 Jul 2010 21:33:00 -0700 |
parents | f7b03b6838cb |
children | b196d2758026 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
3697 | 3 Copyright (C) 1997-2010 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
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23 |
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24 #include "SDL_DirectFB_video.h" |
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25 |
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26 #include "../SDL_sysvideo.h" |
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27 #include "../../events/SDL_mouse_c.h" |
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28 |
4568 | 29 #if USE_MULTI_API |
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30 static SDL_Cursor *DirectFB_CreateCursor(SDL_Surface * surface, |
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31 int hot_x, int hot_y); |
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32 static int DirectFB_ShowCursor(SDL_Cursor * cursor); |
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33 static void DirectFB_MoveCursor(SDL_Cursor * cursor); |
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34 static void DirectFB_FreeCursor(SDL_Cursor * cursor); |
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35 static void DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window, |
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36 int x, int y); |
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37 static void DirectFB_FreeMouse(SDL_Mouse * mouse); |
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38 |
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39 static int id_mask; |
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40 |
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41 static DFBEnumerationResult |
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42 EnumMice(DFBInputDeviceID device_id, DFBInputDeviceDescription desc, |
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43 void *callbackdata) |
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44 { |
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45 DFB_DeviceData *devdata = callbackdata; |
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46 |
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47 if ((desc.type & DIDTF_MOUSE) && (device_id & id_mask)) { |
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48 SDL_Mouse mouse; |
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49 |
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50 SDL_zero(mouse); |
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51 mouse.id = device_id; |
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52 mouse.CreateCursor = DirectFB_CreateCursor; |
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53 mouse.ShowCursor = DirectFB_ShowCursor; |
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54 mouse.MoveCursor = DirectFB_MoveCursor; |
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55 mouse.FreeCursor = DirectFB_FreeCursor; |
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56 mouse.WarpMouse = DirectFB_WarpMouse; |
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57 mouse.FreeMouse = DirectFB_FreeMouse; |
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58 mouse.cursor_shown = 1; |
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59 |
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60 SDL_AddMouse(&mouse, desc.name, 0, 0, 1); |
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61 devdata->mouse_id[devdata->num_mice++] = device_id; |
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62 } |
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63 return DFENUM_OK; |
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64 } |
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65 |
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66 void |
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67 DirectFB_InitMouse(_THIS) |
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68 { |
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69 SDL_DFB_DEVICEDATA(_this); |
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70 |
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71 devdata->num_mice = 0; |
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72 if (devdata->use_linux_input) { |
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73 /* try non-core devices first */ |
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74 id_mask = 0xF0; |
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75 devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata); |
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76 if (devdata->num_mice == 0) { |
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77 /* try core devices */ |
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78 id_mask = 0x0F; |
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79 devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata); |
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80 } |
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81 } |
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82 if (devdata->num_mice == 0) { |
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83 SDL_Mouse mouse; |
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84 |
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85 SDL_zero(mouse); |
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86 mouse.CreateCursor = DirectFB_CreateCursor; |
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87 mouse.ShowCursor = DirectFB_ShowCursor; |
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88 mouse.MoveCursor = DirectFB_MoveCursor; |
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89 mouse.FreeCursor = DirectFB_FreeCursor; |
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90 mouse.WarpMouse = DirectFB_WarpMouse; |
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91 mouse.FreeMouse = DirectFB_FreeMouse; |
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92 mouse.cursor_shown = 1; |
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93 |
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94 SDL_AddMouse(&mouse, "Mouse", 0, 0, 1); |
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95 devdata->num_mice = 1; |
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96 } |
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97 } |
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98 |
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99 void |
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100 DirectFB_QuitMouse(_THIS) |
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101 { |
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102 SDL_DFB_DEVICEDATA(_this); |
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103 |
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104 if (devdata->use_linux_input) { |
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105 SDL_MouseQuit(); |
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106 } else { |
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107 SDL_DelMouse(0); |
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108 } |
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109 } |
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110 |
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111 /* Create a cursor from a surface */ |
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112 static SDL_Cursor * |
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113 DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y) |
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114 { |
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115 SDL_VideoDevice *dev = SDL_GetVideoDevice(); |
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116 |
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117 SDL_DFB_DEVICEDATA(dev); |
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118 DFB_CursorData *curdata; |
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119 DFBResult ret; |
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120 DFBSurfaceDescription dsc; |
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121 SDL_Cursor *cursor; |
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122 Uint32 *dest; |
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123 Uint32 *p; |
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124 int pitch, i; |
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125 |
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126 SDL_DFB_CALLOC(cursor, 1, sizeof(*cursor)); |
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127 SDL_DFB_CALLOC(curdata, 1, sizeof(*curdata)); |
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128 |
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129 dsc.flags = |
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130 DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS; |
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131 dsc.caps = DSCAPS_VIDEOONLY; |
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132 dsc.width = surface->w; |
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133 dsc.height = surface->h; |
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134 dsc.pixelformat = DSPF_ARGB; |
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135 |
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136 SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc, |
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137 &curdata->surf)); |
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138 curdata->hotx = hot_x; |
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139 curdata->hoty = hot_y; |
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140 cursor->driverdata = curdata; |
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141 |
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142 SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE, |
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143 (void *) &dest, &pitch)); |
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144 |
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145 /* Relies on the fact that this is only called with ARGB surface. */ |
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146 p = surface->pixels; |
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147 for (i = 0; i < surface->h; i++) |
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148 memcpy((char *) dest + i * pitch, |
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149 (char *) p + i * surface->pitch, 4 * surface->w); |
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150 |
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151 curdata->surf->Unlock(curdata->surf); |
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152 return cursor; |
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153 error: |
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154 return NULL; |
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155 } |
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156 |
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157 /* Show the specified cursor, or hide if cursor is NULL */ |
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158 static int |
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159 DirectFB_ShowCursor(SDL_Cursor * cursor) |
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160 { |
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161 SDL_DFB_CURSORDATA(cursor); |
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162 DFBResult ret; |
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163 SDL_Window *window; |
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164 |
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165 window = SDL_GetFocusWindow(); |
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166 if (!window) |
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167 return -1; |
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168 else { |
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169 SDL_VideoDisplay *display = window->display; |
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170 |
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171 if (display) { |
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172 DFB_DisplayData *dispdata = |
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173 (DFB_DisplayData *) display->driverdata; |
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174 DFB_WindowData *windata = (DFB_WindowData *) window->driverdata; |
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175 |
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176 if (cursor) |
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177 SDL_DFB_CHECKERR(windata->window-> |
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178 SetCursorShape(windata->window, |
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179 curdata->surf, curdata->hotx, |
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180 curdata->hoty)); |
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181 |
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182 SDL_DFB_CHECKERR(dispdata->layer-> |
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183 SetCooperativeLevel(dispdata->layer, |
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184 DLSCL_ADMINISTRATIVE)); |
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185 SDL_DFB_CHECKERR(dispdata->layer-> |
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186 SetCursorOpacity(dispdata->layer, |
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187 cursor ? 0xC0 : 0x00)); |
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188 SDL_DFB_CHECKERR(dispdata->layer-> |
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189 SetCooperativeLevel(dispdata->layer, |
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190 DLSCL_SHARED)); |
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191 } |
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192 } |
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193 |
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194 return 0; |
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195 error: |
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196 return -1; |
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197 } |
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198 |
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199 /* This is called when a mouse motion event occurs */ |
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200 static void |
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201 DirectFB_MoveCursor(SDL_Cursor * cursor) |
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202 { |
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203 |
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204 } |
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205 |
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206 /* Free a window manager cursor */ |
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207 static void |
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208 DirectFB_FreeCursor(SDL_Cursor * cursor) |
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209 { |
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210 SDL_DFB_CURSORDATA(cursor); |
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211 |
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212 SDL_DFB_RELEASE(curdata->surf); |
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213 SDL_DFB_FREE(cursor->driverdata); |
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214 SDL_DFB_FREE(cursor); |
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215 } |
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216 |
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217 /* Warp the mouse to (x,y) */ |
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218 static void |
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219 DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y) |
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220 { |
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221 SDL_VideoDisplay *display = window->display; |
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222 DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata; |
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223 DFB_WindowData *windata = (DFB_WindowData *) window->driverdata; |
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224 DFBResult ret; |
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225 int cx, cy; |
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226 |
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227 SDL_DFB_CHECKERR(windata->window->GetPosition(windata->window, &cx, &cy)); |
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228 SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer, |
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229 cx + x + windata->client.x, |
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230 cy + y + windata->client.y)); |
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231 |
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232 error: |
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233 return; |
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234 } |
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235 |
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236 /* Free the mouse when it's time */ |
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237 static void |
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238 DirectFB_FreeMouse(SDL_Mouse * mouse) |
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239 { |
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240 /* nothing yet */ |
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241 } |
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242 |
4568 | 243 #else /* USE_MULTI_API */ |
244 | |
245 void | |
246 DirectFB_InitMouse(_THIS) | |
247 { | |
248 SDL_DFB_DEVICEDATA(_this); | |
249 | |
250 devdata->num_mice = 1; | |
251 } | |
252 | |
253 void | |
254 DirectFB_QuitMouse(_THIS) | |
255 { | |
256 SDL_DFB_DEVICEDATA(_this); | |
257 } | |
258 | |
259 | |
260 #endif | |
261 | |
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262 /* vi: set ts=4 sw=4 expandtab: */ |