Mercurial > sdl-ios-xcode
annotate src/video/directfb/SDL_DirectFB_mouse.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 | 1e690901ecd7 |
children | e1da92da346c e82a0e3e9b0e |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 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 #include "SDL_DirectFB_mouse.h" |
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26 |
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27 #include "../SDL_sysvideo.h" |
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28 #include "../../events/SDL_mouse_c.h" |
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29 |
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30 static SDL_Cursor *DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, |
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31 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_WindowID windowID, |
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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 void |
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40 DirectFB_InitMouse(_THIS) |
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41 { |
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42 SDL_DFB_DEVICEDATA(_this); |
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43 SDL_Mouse mouse; |
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44 |
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45 SDL_zero(mouse); |
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46 mouse.CreateCursor = DirectFB_CreateCursor; |
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47 mouse.ShowCursor = DirectFB_ShowCursor; |
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48 mouse.MoveCursor = DirectFB_MoveCursor; |
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49 mouse.FreeCursor = DirectFB_FreeCursor; |
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50 mouse.WarpMouse = DirectFB_WarpMouse; |
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51 mouse.FreeMouse = DirectFB_FreeMouse; |
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52 devdata->mouse = SDL_AddMouse(&mouse, -1); |
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53 } |
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54 |
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55 void |
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56 DirectFB_QuitMouse(_THIS) |
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57 { |
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58 SDL_DFB_DEVICEDATA(_this); |
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59 |
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60 SDL_DelMouse(devdata->mouse); |
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61 } |
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62 |
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63 /* Create a cursor from a surface */ |
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64 static SDL_Cursor * |
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65 DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y) |
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66 { |
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67 SDL_VideoDevice *dev = SDL_GetVideoDevice(); |
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68 |
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69 SDL_DFB_DEVICEDATA(dev); |
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70 DFB_CursorData *curdata; |
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71 DFBResult ret; |
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72 DFBSurfaceDescription dsc; |
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73 SDL_Cursor *cursor; |
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74 Uint32 *dest; |
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75 Uint32 *p; |
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76 int pitch, i; |
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77 |
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78 SDL_DFB_CALLOC(cursor, 1, sizeof(*cursor)); |
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79 SDL_DFB_CALLOC(curdata, 1, sizeof(*curdata)); |
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80 |
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81 dsc.flags = |
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82 DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS; |
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83 dsc.caps = DSCAPS_NONE; //DSCAPS_SYSTEMONLY; |
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84 dsc.width = surface->w; |
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85 dsc.height = surface->h; |
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86 dsc.pixelformat = DSPF_ARGB; |
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87 |
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88 SDL_DFB_CHECKERR(devdata->dfb-> |
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89 CreateSurface(devdata->dfb, &dsc, &curdata->surf)); |
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90 curdata->hotx = hot_x; |
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91 curdata->hoty = hot_y; |
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92 cursor->driverdata = curdata; |
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93 |
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94 SDL_DFB_CHECKERR(curdata->surf-> |
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95 Lock(curdata->surf, DSLF_WRITE, (void *) &dest, &pitch)); |
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96 |
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97 //FIXME: Implies a lot of things, e.g. rgba format for SDL_SURFACE .... |
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98 p = surface->pixels; |
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99 for (i = 0; i < surface->w * surface->h; i++) |
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100 if (p[i] == 0x00000000) |
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101 dest[i] = 0x00000000; |
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102 else |
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103 dest[i] = p[i]; |
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104 //memcpy(dest, surface->pixels, surface->w * surface->h * 4); |
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105 curdata->surf->Unlock(curdata->surf); |
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106 return cursor; |
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107 error: |
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108 return NULL; |
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109 } |
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110 |
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111 /* Show the specified cursor, or hide if cursor is NULL */ |
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112 static int |
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113 DirectFB_ShowCursor(SDL_Cursor * cursor) |
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114 { |
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115 //FIXME check for null cursor here |
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116 SDL_DFB_CURSORDATA(cursor); |
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117 SDL_VideoDevice *dev = SDL_GetVideoDevice(); |
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118 SDL_DFB_DEVICEDATA(dev); |
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119 #if 0 |
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120 DFB_DisplayData *dispdata = |
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121 (DFB_DisplayData *) dev->displays[dev->current_display].driverdata; |
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122 #endif |
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123 DFBResult ret; |
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124 SDL_WindowID wid; |
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125 |
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126 wid = SDL_GetFocusWindow(); |
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127 if (!wid) |
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128 return -1; |
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129 else { |
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130 SDL_Window *window = SDL_GetWindowFromID(wid); |
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131 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); |
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132 DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata; |
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133 DFB_WindowData *windata = (DFB_WindowData *) window->driverdata; |
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134 |
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135 if (cursor) |
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136 SDL_DFB_CHECKERR(windata->window-> |
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137 SetCursorShape(windata->window, curdata->surf, |
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138 curdata->hotx, curdata->hoty)); |
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139 //FIXME: This is somehow a directfb issue |
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140 //TODO: Check administrative |
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141 SDL_DFB_CHECKERR(dispdata->layer-> |
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142 SetCooperativeLevel(dispdata->layer, |
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143 DLSCL_ADMINISTRATIVE)); |
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144 SDL_DFB_CHECKERR(dispdata->layer-> |
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145 SetCursorOpacity(dispdata->layer, |
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146 cursor ? 0xC0 : 0x00)); |
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147 SDL_DFB_CHECKERR(dispdata->layer-> |
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148 SetCooperativeLevel(dispdata->layer, DLSCL_SHARED)); |
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149 } |
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150 |
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151 return 0; |
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152 error: |
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153 return -1; |
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154 } |
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155 |
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156 /* This is called when a mouse motion event occurs */ |
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157 static void |
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158 DirectFB_MoveCursor(SDL_Cursor * cursor) |
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159 { |
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160 SDL_DFB_CURSORDATA(cursor); |
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161 /* Do we need to do something here ? */ |
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162 } |
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163 |
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164 /* Free a window manager cursor */ |
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165 static void |
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166 DirectFB_FreeCursor(SDL_Cursor * cursor) |
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167 { |
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168 SDL_DFB_CURSORDATA(cursor); |
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169 |
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170 SDL_DFB_RELEASE(curdata->surf); |
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171 SDL_DFB_FREE(cursor->driverdata); |
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172 SDL_DFB_FREE(cursor); |
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173 } |
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174 |
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175 /* Warp the mouse to (x,y) */ |
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176 static void |
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177 DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_WindowID windowID, int x, int y) |
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178 { |
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179 // SDL_DFB_CURSORDATA(cursor); |
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180 SDL_Window *window = SDL_GetWindowFromID(windowID); |
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181 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); |
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182 DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata; |
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183 DFB_WindowData *windata = (DFB_WindowData *) window->driverdata; |
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184 DFBResult ret; |
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185 int cx, cy; |
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186 |
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187 SDL_DFB_CHECKERR(windata->window->GetPosition(windata->window, &cx, &cy)); |
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188 SDL_DFB_CHECKERR(dispdata->layer-> |
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189 WarpCursor(dispdata->layer, cx + x, cy + y)); |
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190 |
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191 error: |
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192 return; |
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193 } |
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194 |
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195 /* Free the mouse when it's time */ |
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196 static void |
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197 DirectFB_FreeMouse(SDL_Mouse * mouse) |
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198 { |
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199 // nothing yet |
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200 |
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201 } |
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202 |
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203 /* vi: set ts=4 sw=4 expandtab: */ |