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annotate src/video/directfb/SDL_DirectFB_mouse.c @ 2860:6ce28e5287e9

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Date: Sun, 07 Dec 2008 13:35:23 +0100 From: Couriersud Subject: SDL: Mouse last_x, last_y into SDL_Mouse the attached diff moves the static vars last_x and last_y into SDL_Mouse. These, as far as I understand it, should be tied to the individual mouse. The patch also makes the code check for out of window conditions of mouse->x,y when relative movements are passed to MouseSendMotion. Also attached is the latest DirectFB code (dfb20081208) supporting multiple mice and keyboards. This works quite well with sdlmame now. It however needs more testing with different directfb configurations.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 08 Dec 2008 00:52:12 +0000
parents 99210400e8b9
children b93965a16fe0
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, int hot_x,
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30 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,
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42 DFBInputDeviceDescription desc, 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.CreateCursor = DirectFB_CreateCursor;
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51 mouse.ShowCursor = DirectFB_ShowCursor;
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52 mouse.MoveCursor = DirectFB_MoveCursor;
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53 mouse.FreeCursor = DirectFB_FreeCursor;
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54 mouse.WarpMouse = DirectFB_WarpMouse;
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55 mouse.FreeMouse = DirectFB_FreeMouse;
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56 mouse.cursor_shown = 1;
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57
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58 SDL_SetMouseIndexId(device_id, devdata->num_mice);
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59 SDL_AddMouse(&mouse, devdata->num_mice, desc.name, 0, 0, 1);
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60 devdata->mouse_id[devdata->num_mice] = device_id;
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61 devdata->num_mice++;
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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 (LINUX_INPUT_SUPPORT) {
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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_SetMouseIndexId(0, 0); /* ID == Index ! */
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95 devdata->mouse_id[0] = 0;
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96 SDL_AddMouse(&mouse, 0, "Mouse", 0, 0, 1);
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97 devdata->num_mice = 1;
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98 }
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99 }
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100
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101 void
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102 DirectFB_QuitMouse(_THIS)
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103 {
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104 SDL_DFB_DEVICEDATA(_this);
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105
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106 if (LINUX_INPUT_SUPPORT) {
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107 SDL_MouseQuit();
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108 } else {
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109 SDL_DelMouse(0);
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110 }
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111 }
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112
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113 /* Create a cursor from a surface */
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114 static SDL_Cursor *
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115 DirectFB_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
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116 {
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117 SDL_VideoDevice *dev = SDL_GetVideoDevice();
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118
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119 SDL_DFB_DEVICEDATA(dev);
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120 DFB_CursorData *curdata;
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121 DFBResult ret;
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122 DFBSurfaceDescription dsc;
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123 SDL_Cursor *cursor;
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124 Uint32 *dest;
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parents:
diff changeset
125 Uint32 *p;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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parents:
diff changeset
126 int pitch, i;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
127
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parents:
diff changeset
128 SDL_DFB_CALLOC(cursor, 1, sizeof(*cursor));
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129 SDL_DFB_CALLOC(curdata, 1, sizeof(*curdata));
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130
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
131 dsc.flags =
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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132 DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
2721
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Sam Lantinga <slouken@libsdl.org>
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133 dsc.caps = DSCAPS_VIDEOONLY;
2226
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134 dsc.width = surface->w;
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135 dsc.height = surface->h;
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136 dsc.pixelformat = DSPF_ARGB;
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137
2737
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138 SDL_DFB_CHECKERR(devdata->dfb->
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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139 CreateSurface(devdata->dfb, &dsc, &curdata->surf));
2226
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140 curdata->hotx = hot_x;
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141 curdata->hoty = hot_y;
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142 cursor->driverdata = curdata;
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diff changeset
143
2737
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144 SDL_DFB_CHECKERR(curdata->surf->
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145 Lock(curdata->surf, DSLF_WRITE, (void *) &dest, &pitch));
2226
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146
2737
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147 /* Relies on the fact that this is only called with ARGB surface. */
2226
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148 p = surface->pixels;
2737
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diff changeset
149 for (i = 0; i < surface->h; i++)
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150 memcpy((char *) dest + i * pitch, (char *) p + i * surface->pitch,
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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diff changeset
151 4 * surface->w);
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diff changeset
152
2226
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153 curdata->surf->Unlock(curdata->surf);
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154 return cursor;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
155 error:
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diff changeset
156 return NULL;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
157 }
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
158
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diff changeset
159 /* Show the specified cursor, or hide if cursor is NULL */
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diff changeset
160 static int
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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161 DirectFB_ShowCursor(SDL_Cursor * cursor)
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162 {
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diff changeset
163 SDL_DFB_CURSORDATA(cursor);
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164 DFBResult ret;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
165 SDL_WindowID wid;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
166
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diff changeset
167 wid = SDL_GetFocusWindow();
2737
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diff changeset
168 if (wid < 0)
2226
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169 return -1;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
170 else {
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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171 SDL_Window *window = SDL_GetWindowFromID(wid);
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172 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
2737
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173
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174 if (display) {
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175 DFB_DisplayData *dispdata =
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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176 (DFB_DisplayData *) display->driverdata;
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177 DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
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178
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diff changeset
179 if (cursor)
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180 SDL_DFB_CHECKERR(windata->window->
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181 SetCursorShape(windata->window,
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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diff changeset
182 curdata->surf, curdata->hotx,
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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diff changeset
183 curdata->hoty));
2259
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diff changeset
184
2737
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185 /* fprintf(stdout, "Cursor is %s\n", cursor ? "on" : "off"); */
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186 SDL_DFB_CHECKERR(dispdata->layer->
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187 SetCooperativeLevel(dispdata->layer,
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
188 DLSCL_ADMINISTRATIVE));
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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diff changeset
189 SDL_DFB_CHECKERR(dispdata->layer->
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diff changeset
190 SetCursorOpacity(dispdata->layer,
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
191 cursor ? 0xC0 : 0x00));
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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diff changeset
192 SDL_DFB_CHECKERR(dispdata->layer->
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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diff changeset
193 SetCooperativeLevel(dispdata->layer,
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
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diff changeset
194 DLSCL_SHARED));
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
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diff changeset
195 }
2226
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diff changeset
196 }
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parents:
diff changeset
197
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diff changeset
198 return 0;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
199 error:
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
200 return -1;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
201 }
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
202
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
203 /* This is called when a mouse motion event occurs */
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
204 static void
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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parents:
diff changeset
205 DirectFB_MoveCursor(SDL_Cursor * cursor)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 {
2737
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diff changeset
207
2226
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diff changeset
208 }
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
209
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 /* Free a window manager cursor */
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 static void
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
212 DirectFB_FreeCursor(SDL_Cursor * cursor)
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 {
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
214 SDL_DFB_CURSORDATA(cursor);
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diff changeset
215
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 SDL_DFB_RELEASE(curdata->surf);
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
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diff changeset
217 SDL_DFB_FREE(cursor->driverdata);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 SDL_DFB_FREE(cursor);
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 }
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 /* Warp the mouse to (x,y) */
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 static void
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
223 DirectFB_WarpMouse(SDL_Mouse * mouse, SDL_WindowID windowID, int x, int y)
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 {
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
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diff changeset
225 SDL_Window *window = SDL_GetWindowFromID(windowID);
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
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diff changeset
228 DFB_WindowData *windata = (DFB_WindowData *) window->driverdata;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 DFBResult ret;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 int cx, cy;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 SDL_DFB_CHECKERR(windata->window->GetPosition(windata->window, &cx, &cy));
2737
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diff changeset
233 SDL_DFB_CHECKERR(dispdata->layer->
140a7edcf2bd Date: Sun, 31 Aug 2008 17:53:59 +0200
Sam Lantinga <slouken@libsdl.org>
parents: 2735
diff changeset
234 WarpCursor(dispdata->layer, cx + x, cy + y));
2226
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diff changeset
235
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 error:
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 return;
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 }
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 /* Free the mouse when it's time */
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 static void
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 DirectFB_FreeMouse(SDL_Mouse * mouse)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 {
2737
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diff changeset
244 /* nothing yet */
2226
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diff changeset
245 }
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246
0e70b4b8cf84 Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 /* vi: set ts=4 sw=4 expandtab: */