Mercurial > sdl-ios-xcode
comparison src/video/x11/SDL_x11mouse.c @ 1895:c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 10 Jul 2006 21:04:37 +0000 |
parents | db7e15a99cb3 |
children |
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1894:c69cee13dd76 | 1895:c121d94672cb |
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30 #include "SDL_x11dga_c.h" | 30 #include "SDL_x11dga_c.h" |
31 #include "SDL_x11mouse_c.h" | 31 #include "SDL_x11mouse_c.h" |
32 | 32 |
33 | 33 |
34 /* The implementation dependent data for the window manager cursor */ | 34 /* The implementation dependent data for the window manager cursor */ |
35 struct WMcursor { | 35 struct WMcursor |
36 Cursor x_cursor; | 36 { |
37 Cursor x_cursor; | |
37 }; | 38 }; |
38 | 39 |
39 | 40 |
40 void X11_FreeWMCursor(_THIS, WMcursor *cursor) | 41 void |
41 { | 42 X11_FreeWMCursor(_THIS, WMcursor * cursor) |
42 if ( SDL_Display != NULL ) { | 43 { |
43 SDL_Lock_EventThread(); | 44 if (SDL_Display != NULL) { |
44 XFreeCursor(SDL_Display, cursor->x_cursor); | 45 SDL_Lock_EventThread(); |
45 XSync(SDL_Display, False); | 46 XFreeCursor(SDL_Display, cursor->x_cursor); |
46 SDL_Unlock_EventThread(); | 47 XSync(SDL_Display, False); |
47 } | 48 SDL_Unlock_EventThread(); |
48 SDL_free(cursor); | 49 } |
49 } | 50 SDL_free(cursor); |
50 | 51 } |
51 WMcursor *X11_CreateWMCursor(_THIS, | 52 |
52 Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) | 53 WMcursor * |
53 { | 54 X11_CreateWMCursor(_THIS, |
54 WMcursor *cursor; | 55 Uint8 * data, Uint8 * mask, int w, int h, int hot_x, |
55 XGCValues GCvalues; | 56 int hot_y) |
56 GC GCcursor; | 57 { |
57 XImage *data_image, *mask_image; | 58 WMcursor *cursor; |
58 Pixmap data_pixmap, mask_pixmap; | 59 XGCValues GCvalues; |
59 int clen, i; | 60 GC GCcursor; |
60 char *x_data, *x_mask; | 61 XImage *data_image, *mask_image; |
61 static XColor black = { 0, 0, 0, 0 }; | 62 Pixmap data_pixmap, mask_pixmap; |
62 static XColor white = { 0xffff, 0xffff, 0xffff, 0xffff }; | 63 int clen, i; |
63 | 64 char *x_data, *x_mask; |
64 /* Allocate the cursor memory */ | 65 static XColor black = { 0, 0, 0, 0 }; |
65 cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); | 66 static XColor white = { 0xffff, 0xffff, 0xffff, 0xffff }; |
66 if ( cursor == NULL ) { | 67 |
67 SDL_OutOfMemory(); | 68 /* Allocate the cursor memory */ |
68 return(NULL); | 69 cursor = (WMcursor *) SDL_malloc(sizeof(WMcursor)); |
69 } | 70 if (cursor == NULL) { |
70 | 71 SDL_OutOfMemory(); |
71 /* Mix the mask and the data */ | 72 return (NULL); |
72 clen = (w/8)*h; | 73 } |
73 x_data = (char *)SDL_malloc(clen); | 74 |
74 if ( x_data == NULL ) { | 75 /* Mix the mask and the data */ |
75 SDL_free(cursor); | 76 clen = (w / 8) * h; |
76 SDL_OutOfMemory(); | 77 x_data = (char *) SDL_malloc(clen); |
77 return(NULL); | 78 if (x_data == NULL) { |
78 } | 79 SDL_free(cursor); |
79 x_mask = (char *)SDL_malloc(clen); | 80 SDL_OutOfMemory(); |
80 if ( x_mask == NULL ) { | 81 return (NULL); |
81 SDL_free(cursor); | 82 } |
82 SDL_free(x_data); | 83 x_mask = (char *) SDL_malloc(clen); |
83 SDL_OutOfMemory(); | 84 if (x_mask == NULL) { |
84 return(NULL); | 85 SDL_free(cursor); |
85 } | 86 SDL_free(x_data); |
86 for ( i=0; i<clen; ++i ) { | 87 SDL_OutOfMemory(); |
87 /* The mask is OR'd with the data to turn inverted color | 88 return (NULL); |
88 pixels black since inverted color cursors aren't supported | 89 } |
89 under X11. | 90 for (i = 0; i < clen; ++i) { |
90 */ | 91 /* The mask is OR'd with the data to turn inverted color |
91 x_mask[i] = data[i] | mask[i]; | 92 pixels black since inverted color cursors aren't supported |
92 x_data[i] = data[i]; | 93 under X11. |
93 } | 94 */ |
94 | 95 x_mask[i] = data[i] | mask[i]; |
95 /* Prevent the event thread from running while we use the X server */ | 96 x_data[i] = data[i]; |
96 SDL_Lock_EventThread(); | 97 } |
97 | 98 |
98 /* Create the data image */ | 99 /* Prevent the event thread from running while we use the X server */ |
99 data_image = XCreateImage(SDL_Display, | 100 SDL_Lock_EventThread(); |
100 DefaultVisual(SDL_Display, SDL_Screen), | 101 |
101 1, XYBitmap, 0, x_data, w, h, 8, w/8); | 102 /* Create the data image */ |
102 data_image->byte_order = MSBFirst; | 103 data_image = XCreateImage(SDL_Display, |
103 data_image->bitmap_bit_order = MSBFirst; | 104 DefaultVisual(SDL_Display, SDL_Screen), |
104 data_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); | 105 1, XYBitmap, 0, x_data, w, h, 8, w / 8); |
105 | 106 data_image->byte_order = MSBFirst; |
106 /* Create the data mask */ | 107 data_image->bitmap_bit_order = MSBFirst; |
107 mask_image = XCreateImage(SDL_Display, | 108 data_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); |
108 DefaultVisual(SDL_Display, SDL_Screen), | 109 |
109 1, XYBitmap, 0, x_mask, w, h, 8, w/8); | 110 /* Create the data mask */ |
110 mask_image->byte_order = MSBFirst; | 111 mask_image = XCreateImage(SDL_Display, |
111 mask_image->bitmap_bit_order = MSBFirst; | 112 DefaultVisual(SDL_Display, SDL_Screen), |
112 mask_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); | 113 1, XYBitmap, 0, x_mask, w, h, 8, w / 8); |
113 | 114 mask_image->byte_order = MSBFirst; |
114 /* Create the graphics context */ | 115 mask_image->bitmap_bit_order = MSBFirst; |
115 GCvalues.function = GXcopy; | 116 mask_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); |
116 GCvalues.foreground = ~0; | 117 |
117 GCvalues.background = 0; | 118 /* Create the graphics context */ |
118 GCvalues.plane_mask = AllPlanes; | 119 GCvalues.function = GXcopy; |
119 GCcursor = XCreateGC(SDL_Display, data_pixmap, | 120 GCvalues.foreground = ~0; |
120 (GCFunction|GCForeground|GCBackground|GCPlaneMask), | 121 GCvalues.background = 0; |
121 &GCvalues); | 122 GCvalues.plane_mask = AllPlanes; |
122 | 123 GCcursor = XCreateGC(SDL_Display, data_pixmap, |
123 /* Blit the images to the pixmaps */ | 124 (GCFunction | GCForeground | GCBackground | |
124 XPutImage(SDL_Display, data_pixmap, GCcursor, data_image, | 125 GCPlaneMask), &GCvalues); |
125 0, 0, 0, 0, w, h); | 126 |
126 XPutImage(SDL_Display, mask_pixmap, GCcursor, mask_image, | 127 /* Blit the images to the pixmaps */ |
127 0, 0, 0, 0, w, h); | 128 XPutImage(SDL_Display, data_pixmap, GCcursor, data_image, |
128 XFreeGC(SDL_Display, GCcursor); | 129 0, 0, 0, 0, w, h); |
129 /* These free the x_data and x_mask memory pointers */ | 130 XPutImage(SDL_Display, mask_pixmap, GCcursor, mask_image, |
130 XDestroyImage(data_image); | 131 0, 0, 0, 0, w, h); |
131 XDestroyImage(mask_image); | 132 XFreeGC(SDL_Display, GCcursor); |
132 | 133 /* These free the x_data and x_mask memory pointers */ |
133 /* Create the cursor */ | 134 XDestroyImage(data_image); |
134 cursor->x_cursor = XCreatePixmapCursor(SDL_Display, data_pixmap, | 135 XDestroyImage(mask_image); |
135 mask_pixmap, &black, &white, hot_x, hot_y); | 136 |
136 XFreePixmap(SDL_Display, data_pixmap); | 137 /* Create the cursor */ |
137 XFreePixmap(SDL_Display, mask_pixmap); | 138 cursor->x_cursor = XCreatePixmapCursor(SDL_Display, data_pixmap, |
138 | 139 mask_pixmap, &black, &white, |
139 /* Release the event thread */ | 140 hot_x, hot_y); |
140 XSync(SDL_Display, False); | 141 XFreePixmap(SDL_Display, data_pixmap); |
141 SDL_Unlock_EventThread(); | 142 XFreePixmap(SDL_Display, mask_pixmap); |
142 | 143 |
143 return(cursor); | 144 /* Release the event thread */ |
144 } | 145 XSync(SDL_Display, False); |
145 | 146 SDL_Unlock_EventThread(); |
146 int X11_ShowWMCursor(_THIS, WMcursor *cursor) | 147 |
147 { | 148 return (cursor); |
148 /* Don't do anything if the display is gone */ | 149 } |
149 if ( SDL_Display == NULL ) { | 150 |
150 return(0); | 151 int |
151 } | 152 X11_ShowWMCursor(_THIS, WMcursor * cursor) |
152 | 153 { |
153 /* Set the X11 cursor cursor, or blank if cursor is NULL */ | 154 /* Don't do anything if the display is gone */ |
154 if ( SDL_Window ) { | 155 if (SDL_Display == NULL) { |
155 SDL_Lock_EventThread(); | 156 return (0); |
156 if ( cursor == NULL ) { | 157 } |
157 if ( SDL_BlankCursor != NULL ) { | 158 |
158 XDefineCursor(SDL_Display, SDL_Window, | 159 /* Set the X11 cursor cursor, or blank if cursor is NULL */ |
159 SDL_BlankCursor->x_cursor); | 160 if (SDL_Window) { |
160 } | 161 SDL_Lock_EventThread(); |
161 } else { | 162 if (cursor == NULL) { |
162 XDefineCursor(SDL_Display, SDL_Window, cursor->x_cursor); | 163 if (SDL_BlankCursor != NULL) { |
163 } | 164 XDefineCursor(SDL_Display, SDL_Window, |
164 XSync(SDL_Display, False); | 165 SDL_BlankCursor->x_cursor); |
165 SDL_Unlock_EventThread(); | 166 } |
166 } | 167 } else { |
167 return(1); | 168 XDefineCursor(SDL_Display, SDL_Window, cursor->x_cursor); |
168 } | 169 } |
169 | 170 XSync(SDL_Display, False); |
170 void X11_WarpWMCursor(_THIS, Uint16 x, Uint16 y) | 171 SDL_Unlock_EventThread(); |
171 { | 172 } |
172 if ( using_dga & DGA_MOUSE ) { | 173 return (1); |
173 SDL_PrivateMouseMotion(0, 0, x, y); | 174 } |
174 } else if ( mouse_relative) { | 175 |
175 /* RJR: March 28, 2000 | 176 void |
176 leave physical cursor at center of screen if | 177 X11_WarpWMCursor(_THIS, Uint16 x, Uint16 y) |
177 mouse hidden and grabbed */ | 178 { |
178 SDL_PrivateMouseMotion(0, 0, x, y); | 179 if (using_dga & DGA_MOUSE) { |
179 } else { | 180 SDL_PrivateMouseMotion(0, 0, x, y); |
180 SDL_Lock_EventThread(); | 181 } else if (mouse_relative) { |
181 XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, x, y); | 182 /* RJR: March 28, 2000 |
182 XSync(SDL_Display, False); | 183 leave physical cursor at center of screen if |
183 SDL_Unlock_EventThread(); | 184 mouse hidden and grabbed */ |
184 } | 185 SDL_PrivateMouseMotion(0, 0, x, y); |
186 } else { | |
187 SDL_Lock_EventThread(); | |
188 XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, x, y); | |
189 XSync(SDL_Display, False); | |
190 SDL_Unlock_EventThread(); | |
191 } | |
185 } | 192 } |
186 | 193 |
187 /* Sets the mouse acceleration from a string of the form: | 194 /* Sets the mouse acceleration from a string of the form: |
188 2/1/0 | 195 2/1/0 |
189 The first number is the numerator, followed by the acceleration | 196 The first number is the numerator, followed by the acceleration |
190 denumenator and threshold. | 197 denumenator and threshold. |
191 */ | 198 */ |
192 static void SetMouseAccel(_THIS, const char *accel_param) | 199 static void |
193 { | 200 SetMouseAccel(_THIS, const char *accel_param) |
194 int i; | 201 { |
195 size_t len; | 202 int i; |
196 int accel_value[3]; | 203 size_t len; |
197 char *mouse_param, *mouse_param_buf, *pin; | 204 int accel_value[3]; |
198 | 205 char *mouse_param, *mouse_param_buf, *pin; |
199 len = SDL_strlen(accel_param)+1; | 206 |
200 mouse_param_buf = SDL_stack_alloc(char, len); | 207 len = SDL_strlen(accel_param) + 1; |
201 if ( ! mouse_param_buf ) { | 208 mouse_param_buf = SDL_stack_alloc(char, len); |
202 return; | 209 if (!mouse_param_buf) { |
203 } | 210 return; |
204 SDL_strlcpy(mouse_param_buf, accel_param, len); | 211 } |
205 mouse_param = mouse_param_buf; | 212 SDL_strlcpy(mouse_param_buf, accel_param, len); |
206 | 213 mouse_param = mouse_param_buf; |
207 for ( i=0; (i < 3) && mouse_param; ++i ) { | 214 |
208 pin = SDL_strchr(mouse_param, '/'); | 215 for (i = 0; (i < 3) && mouse_param; ++i) { |
209 if ( pin ) { | 216 pin = SDL_strchr(mouse_param, '/'); |
210 *pin = '\0'; | 217 if (pin) { |
211 } | 218 *pin = '\0'; |
212 accel_value[i] = atoi(mouse_param); | 219 } |
213 if ( pin ) { | 220 accel_value[i] = atoi(mouse_param); |
214 mouse_param = pin+1; | 221 if (pin) { |
215 } else { | 222 mouse_param = pin + 1; |
216 mouse_param = NULL; | 223 } else { |
217 } | 224 mouse_param = NULL; |
218 } | 225 } |
219 if ( mouse_param_buf ) { | 226 } |
220 XChangePointerControl(SDL_Display, True, True, | 227 if (mouse_param_buf) { |
221 accel_value[0], accel_value[1], accel_value[2]); | 228 XChangePointerControl(SDL_Display, True, True, |
222 SDL_free(mouse_param_buf); | 229 accel_value[0], accel_value[1], accel_value[2]); |
223 } | 230 SDL_free(mouse_param_buf); |
231 } | |
224 } | 232 } |
225 | 233 |
226 /* Check to see if we need to enter or leave mouse relative mode */ | 234 /* Check to see if we need to enter or leave mouse relative mode */ |
227 void X11_CheckMouseModeNoLock(_THIS) | 235 void |
228 { | 236 X11_CheckMouseModeNoLock(_THIS) |
229 const Uint8 full_focus = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); | 237 { |
230 char *env_override; | 238 const Uint8 full_focus = |
231 int enable_relative = 1; | 239 (SDL_APPACTIVE | SDL_APPINPUTFOCUS | SDL_APPMOUSEFOCUS); |
232 | 240 char *env_override; |
233 /* Allow the user to override the relative mouse mode. | 241 int enable_relative = 1; |
234 They almost never want to do this, as it seriously affects | 242 |
235 applications that rely on continuous relative mouse motion. | 243 /* Allow the user to override the relative mouse mode. |
236 */ | 244 They almost never want to do this, as it seriously affects |
237 env_override = SDL_getenv("SDL_MOUSE_RELATIVE"); | 245 applications that rely on continuous relative mouse motion. |
238 if ( env_override ) { | 246 */ |
239 enable_relative = atoi(env_override); | 247 env_override = SDL_getenv("SDL_MOUSE_RELATIVE"); |
240 } | 248 if (env_override) { |
241 | 249 enable_relative = atoi(env_override); |
242 /* If the mouse is hidden and input is grabbed, we use relative mode */ | 250 } |
243 if ( enable_relative && | 251 |
244 !(SDL_cursorstate & CURSOR_VISIBLE) && | 252 /* If the mouse is hidden and input is grabbed, we use relative mode */ |
245 (this->input_grab != SDL_GRAB_OFF) && | 253 if (enable_relative && |
246 (SDL_GetAppState() & full_focus) == full_focus ) { | 254 !(SDL_cursorstate & CURSOR_VISIBLE) && |
247 if ( ! mouse_relative ) { | 255 (SDL_CurrentWindow.input_grab != SDL_GRAB_OFF) && |
248 X11_EnableDGAMouse(this); | 256 (SDL_GetAppState() & full_focus) == full_focus) { |
249 if ( ! (using_dga & DGA_MOUSE) ) { | 257 if (!mouse_relative) { |
250 char *xmouse_accel; | 258 X11_EnableDGAMouse(this); |
251 | 259 if (!(using_dga & DGA_MOUSE)) { |
252 SDL_GetMouseState(&mouse_last.x, &mouse_last.y); | 260 char *xmouse_accel; |
253 /* Use as raw mouse mickeys as possible */ | 261 |
254 XGetPointerControl(SDL_Display, | 262 SDL_GetMouseState(&mouse_last.x, &mouse_last.y); |
255 &mouse_accel.numerator, | 263 /* Use as raw mouse mickeys as possible */ |
256 &mouse_accel.denominator, | 264 XGetPointerControl(SDL_Display, |
257 &mouse_accel.threshold); | 265 &mouse_accel.numerator, |
258 xmouse_accel=SDL_getenv("SDL_VIDEO_X11_MOUSEACCEL"); | 266 &mouse_accel.denominator, |
259 if ( xmouse_accel ) { | 267 &mouse_accel.threshold); |
260 SetMouseAccel(this, xmouse_accel); | 268 xmouse_accel = SDL_getenv("SDL_VIDEO_X11_MOUSEACCEL"); |
261 } | 269 if (xmouse_accel) { |
262 } | 270 SetMouseAccel(this, xmouse_accel); |
263 mouse_relative = 1; | 271 } |
264 } | 272 } |
265 } else { | 273 mouse_relative = 1; |
266 if ( mouse_relative ) { | 274 } |
267 if ( using_dga & DGA_MOUSE ) { | 275 } else { |
268 X11_DisableDGAMouse(this); | 276 if (mouse_relative) { |
269 } else { | 277 if (using_dga & DGA_MOUSE) { |
270 XChangePointerControl(SDL_Display, True, True, | 278 X11_DisableDGAMouse(this); |
271 mouse_accel.numerator, | 279 } else { |
272 mouse_accel.denominator, | 280 XChangePointerControl(SDL_Display, True, True, |
273 mouse_accel.threshold); | 281 mouse_accel.numerator, |
274 } | 282 mouse_accel.denominator, |
275 mouse_relative = 0; | 283 mouse_accel.threshold); |
276 } | 284 } |
277 } | 285 mouse_relative = 0; |
278 } | 286 } |
279 void X11_CheckMouseMode(_THIS) | 287 } |
280 { | 288 } |
281 SDL_Lock_EventThread(); | 289 void |
282 X11_CheckMouseModeNoLock(this); | 290 X11_CheckMouseMode(_THIS) |
283 SDL_Unlock_EventThread(); | 291 { |
284 } | 292 SDL_Lock_EventThread(); |
293 X11_CheckMouseModeNoLock(this); | |
294 SDL_Unlock_EventThread(); | |
295 } | |
296 | |
297 /* vi: set ts=4 sw=4 expandtab: */ |