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annotate src/video/directfb/SDL_DirectFB_mouse.c @ 3502:98a819296cdc

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Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode. If it loses any of those properties the desktop mode will be restored.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 01 Dec 2009 08:56:12 +0000
parents d72a0dd80e8b
children 64ce267332c6
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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
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29 static SDL_Cursor *DirectFB_CreateCursor(SDL_Surface * surface,
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30 int hot_x, int hot_y);
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31 static int DirectFB_ShowCursor(SDL_Cursor * cursor);
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32 static void DirectFB_MoveCursor(SDL_Cursor * cursor);
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33 static void DirectFB_FreeCursor(SDL_Cursor * cursor);
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34 static void DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_WindowID windowID,
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35 int x, int y);
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36 static void DirectFB_FreeMouse(SDL_Mouse * mouse);
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37
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38 static int id_mask;
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39
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40 static DFBEnumerationResult
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41 EnumMice(DFBInputDeviceID device_id, DFBInputDeviceDescription desc,
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42 void *callbackdata)
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43 {
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44 DFB_DeviceData *devdata = callbackdata;
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45
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46 if ((desc.type & DIDTF_MOUSE) && (device_id & id_mask)) {
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47 SDL_Mouse mouse;
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48
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49 SDL_zero(mouse);
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50 mouse.id = device_id;
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51 mouse.CreateCursor = DirectFB_CreateCursor;
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52 mouse.ShowCursor = DirectFB_ShowCursor;
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53 mouse.MoveCursor = DirectFB_MoveCursor;
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54 mouse.FreeCursor = DirectFB_FreeCursor;
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55 mouse.WarpMouse = DirectFB_WarpMouse;
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56 mouse.FreeMouse = DirectFB_FreeMouse;
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57 mouse.cursor_shown = 1;
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58
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59 SDL_AddMouse(&mouse, desc.name, 0, 0, 1);
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60 devdata->mouse_id[devdata->num_mice++] = device_id;
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61 }
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62 return DFENUM_OK;
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63 }
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64
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65 void
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66 DirectFB_InitMouse(_THIS)
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67 {
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68 SDL_DFB_DEVICEDATA(_this);
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69
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70 devdata->num_mice = 0;
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71 if (devdata->use_linux_input) {
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72 /* try non-core devices first */
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73 id_mask = 0xF0;
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74 devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
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75 if (devdata->num_mice == 0) {
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76 /* try core devices */
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77 id_mask = 0x0F;
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78 devdata->dfb->EnumInputDevices(devdata->dfb, EnumMice, devdata);
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79 }
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80 }
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81 if (devdata->num_mice == 0) {
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82 SDL_Mouse mouse;
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83
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84 SDL_zero(mouse);
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85 mouse.CreateCursor = DirectFB_CreateCursor;
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86 mouse.ShowCursor = DirectFB_ShowCursor;
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87 mouse.MoveCursor = DirectFB_MoveCursor;
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88 mouse.FreeCursor = DirectFB_FreeCursor;
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89 mouse.WarpMouse = DirectFB_WarpMouse;
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90 mouse.FreeMouse = DirectFB_FreeMouse;
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91 mouse.cursor_shown = 1;
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92
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93 SDL_AddMouse(&mouse, "Mouse", 0, 0, 1);
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94 devdata->num_mice = 1;
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95 }
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96 }
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97
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98 void
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99 DirectFB_QuitMouse(_THIS)
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100 {
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101 SDL_DFB_DEVICEDATA(_this);
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102
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103 if (devdata->use_linux_input) {
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104 SDL_MouseQuit();
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105 } else {
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106 SDL_DelMouse(0);
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107 }
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108 }
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109
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110 /* Create a cursor from a surface */
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111 static SDL_Cursor *
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112 DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
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113 {
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114 SDL_VideoDevice *dev = SDL_GetVideoDevice();
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115
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116 SDL_DFB_DEVICEDATA(dev);
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117 DFB_CursorData *curdata;
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118 DFBResult ret;
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119 DFBSurfaceDescription dsc;
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120 SDL_Cursor *cursor;
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121 Uint32 *dest;
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122 Uint32 *p;
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123 int pitch, i;
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124
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125 SDL_DFB_CALLOC(cursor, 1, sizeof(*cursor));
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126 SDL_DFB_CALLOC(curdata, 1, sizeof(*curdata));
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127
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128 dsc.flags =
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129 DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
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130 dsc.caps = DSCAPS_VIDEOONLY;
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131 dsc.width = surface->w;
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132 dsc.height = surface->h;
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133 dsc.pixelformat = DSPF_ARGB;
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134
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135 SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
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136 &curdata->surf));
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137 curdata->hotx = hot_x;
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138 curdata->hoty = hot_y;
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139 cursor->driverdata = curdata;
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140
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141 SDL_DFB_CHECKERR(curdata->surf->Lock(curdata->surf, DSLF_WRITE,
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142 (void *) &dest, &pitch));
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143
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144 /* Relies on the fact that this is only called with ARGB surface. */
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145 p = surface->pixels;
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146 for (i = 0; i < surface->h; i++)
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147 memcpy((char *) dest + i * pitch,
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148 (char *) p + i * surface->pitch, 4 * surface->w);
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149
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150 curdata->surf->Unlock(curdata->surf);
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151 return cursor;
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152 error:
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153 return NULL;
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154 }
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155
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156 /* Show the specified cursor, or hide if cursor is NULL */
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157 static int
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158 DirectFB_ShowCursor(SDL_Cursor * cursor)
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159 {
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160 SDL_DFB_CURSORDATA(cursor);
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161 DFBResult ret;
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162 SDL_WindowID wid;
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163
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164 wid = SDL_GetFocusWindow();
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165 if (wid <= 0)
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166 return -1;
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167 else {
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168 SDL_Window *window = SDL_GetWindowFromID(wid);
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169 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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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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diff changeset
202 {
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203
2226
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204 }
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205
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206 /* Free a window manager cursor */
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diff changeset
207 static void
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208 DirectFB_FreeCursor(SDL_Cursor * cursor)
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diff changeset
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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diff changeset
217 /* Warp the mouse to (x,y) */
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diff changeset
218 static void
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diff changeset
219 DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_WindowID windowID, int x, int y)
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diff changeset
220 {
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diff changeset
221 SDL_Window *window = SDL_GetWindowFromID(windowID);
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222 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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223 DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
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224 DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
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225 DFBResult ret;
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diff changeset
226 int cx, cy;
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diff changeset
227
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228 SDL_DFB_CHECKERR(windata->window->GetPosition(windata->window, &cx, &cy));
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229 SDL_DFB_CHECKERR(dispdata->layer->WarpCursor(dispdata->layer,
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diff changeset
230 cx + x + windata->client.x,
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diff changeset
231 cy + y + windata->client.y));
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diff changeset
232
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diff changeset
233 error:
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diff changeset
234 return;
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diff changeset
235 }
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diff changeset
236
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diff changeset
237 /* Free the mouse when it's time */
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diff changeset
238 static void
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diff changeset
239 DirectFB_FreeMouse(SDL_Mouse * mouse)
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diff changeset
240 {
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241 /* nothing yet */
2226
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242 }
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243
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
244 /* vi: set ts=4 sw=4 expandtab: */