diff options
Diffstat (limited to 'apps/plugins/sdl/src/video/x11/SDL_x11mouse.c')
-rw-r--r-- | apps/plugins/sdl/src/video/x11/SDL_x11mouse.c | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/apps/plugins/sdl/src/video/x11/SDL_x11mouse.c b/apps/plugins/sdl/src/video/x11/SDL_x11mouse.c deleted file mode 100644 index 16ad739195..0000000000 --- a/apps/plugins/sdl/src/video/x11/SDL_x11mouse.c +++ /dev/null | |||
@@ -1,288 +0,0 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Lesser General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2.1 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public | ||
16 | License along with this library; if not, write to the Free Software | ||
17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | */ | ||
22 | #include "SDL_config.h" | ||
23 | |||
24 | #include <X11/Xlib.h> | ||
25 | #include <X11/Xutil.h> | ||
26 | |||
27 | #include "SDL_mouse.h" | ||
28 | #include "../../events/SDL_events_c.h" | ||
29 | #include "../SDL_cursor_c.h" | ||
30 | #include "SDL_x11dga_c.h" | ||
31 | #include "SDL_x11mouse_c.h" | ||
32 | |||
33 | |||
34 | /* The implementation dependent data for the window manager cursor */ | ||
35 | struct WMcursor { | ||
36 | Cursor x_cursor; | ||
37 | }; | ||
38 | |||
39 | |||
40 | void X11_FreeWMCursor(_THIS, WMcursor *cursor) | ||
41 | { | ||
42 | if ( SDL_Display != NULL ) { | ||
43 | SDL_Lock_EventThread(); | ||
44 | XFreeCursor(SDL_Display, cursor->x_cursor); | ||
45 | XSync(SDL_Display, False); | ||
46 | SDL_Unlock_EventThread(); | ||
47 | } | ||
48 | SDL_free(cursor); | ||
49 | } | ||
50 | |||
51 | WMcursor *X11_CreateWMCursor(_THIS, | ||
52 | Uint8 *data, Uint8 *mask, int w, int h, int hot_x, int hot_y) | ||
53 | { | ||
54 | WMcursor *cursor; | ||
55 | XGCValues GCvalues; | ||
56 | GC GCcursor; | ||
57 | XImage *data_image, *mask_image; | ||
58 | Pixmap data_pixmap, mask_pixmap; | ||
59 | int clen, i; | ||
60 | char *x_data, *x_mask; | ||
61 | static XColor black = { 0, 0, 0, 0 }; | ||
62 | static XColor white = { 0xffff, 0xffff, 0xffff, 0xffff }; | ||
63 | |||
64 | /* Allocate the cursor memory */ | ||
65 | cursor = (WMcursor *)SDL_malloc(sizeof(WMcursor)); | ||
66 | if ( cursor == NULL ) { | ||
67 | SDL_OutOfMemory(); | ||
68 | return(NULL); | ||
69 | } | ||
70 | |||
71 | /* Mix the mask and the data */ | ||
72 | clen = (w/8)*h; | ||
73 | x_data = (char *)SDL_malloc(clen); | ||
74 | if ( x_data == NULL ) { | ||
75 | SDL_free(cursor); | ||
76 | SDL_OutOfMemory(); | ||
77 | return(NULL); | ||
78 | } | ||
79 | x_mask = (char *)SDL_malloc(clen); | ||
80 | if ( x_mask == NULL ) { | ||
81 | SDL_free(cursor); | ||
82 | SDL_free(x_data); | ||
83 | SDL_OutOfMemory(); | ||
84 | return(NULL); | ||
85 | } | ||
86 | for ( i=0; i<clen; ++i ) { | ||
87 | /* The mask is OR'd with the data to turn inverted color | ||
88 | pixels black since inverted color cursors aren't supported | ||
89 | under X11. | ||
90 | */ | ||
91 | x_mask[i] = data[i] | mask[i]; | ||
92 | x_data[i] = data[i]; | ||
93 | } | ||
94 | |||
95 | /* Prevent the event thread from running while we use the X server */ | ||
96 | SDL_Lock_EventThread(); | ||
97 | |||
98 | /* Create the data image */ | ||
99 | data_image = XCreateImage(SDL_Display, | ||
100 | DefaultVisual(SDL_Display, SDL_Screen), | ||
101 | 1, XYBitmap, 0, x_data, w, h, 8, w/8); | ||
102 | data_image->byte_order = MSBFirst; | ||
103 | data_image->bitmap_bit_order = MSBFirst; | ||
104 | data_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); | ||
105 | |||
106 | /* Create the data mask */ | ||
107 | mask_image = XCreateImage(SDL_Display, | ||
108 | DefaultVisual(SDL_Display, SDL_Screen), | ||
109 | 1, XYBitmap, 0, x_mask, w, h, 8, w/8); | ||
110 | mask_image->byte_order = MSBFirst; | ||
111 | mask_image->bitmap_bit_order = MSBFirst; | ||
112 | mask_pixmap = XCreatePixmap(SDL_Display, SDL_Root, w, h, 1); | ||
113 | |||
114 | /* Create the graphics context */ | ||
115 | GCvalues.function = GXcopy; | ||
116 | GCvalues.foreground = ~0; | ||
117 | GCvalues.background = 0; | ||
118 | GCvalues.plane_mask = AllPlanes; | ||
119 | GCcursor = XCreateGC(SDL_Display, data_pixmap, | ||
120 | (GCFunction|GCForeground|GCBackground|GCPlaneMask), | ||
121 | &GCvalues); | ||
122 | |||
123 | /* Blit the images to the pixmaps */ | ||
124 | XPutImage(SDL_Display, data_pixmap, GCcursor, data_image, | ||
125 | 0, 0, 0, 0, w, h); | ||
126 | XPutImage(SDL_Display, mask_pixmap, GCcursor, mask_image, | ||
127 | 0, 0, 0, 0, w, h); | ||
128 | XFreeGC(SDL_Display, GCcursor); | ||
129 | /* These free the x_data and x_mask memory pointers */ | ||
130 | XDestroyImage(data_image); | ||
131 | XDestroyImage(mask_image); | ||
132 | |||
133 | /* Create the cursor */ | ||
134 | cursor->x_cursor = XCreatePixmapCursor(SDL_Display, data_pixmap, | ||
135 | mask_pixmap, &black, &white, hot_x, hot_y); | ||
136 | XFreePixmap(SDL_Display, data_pixmap); | ||
137 | XFreePixmap(SDL_Display, mask_pixmap); | ||
138 | |||
139 | /* Release the event thread */ | ||
140 | XSync(SDL_Display, False); | ||
141 | SDL_Unlock_EventThread(); | ||
142 | |||
143 | return(cursor); | ||
144 | } | ||
145 | |||
146 | int X11_ShowWMCursor(_THIS, WMcursor *cursor) | ||
147 | { | ||
148 | /* Don't do anything if the display is gone */ | ||
149 | if ( SDL_Display == NULL ) { | ||
150 | return(0); | ||
151 | } | ||
152 | |||
153 | /* Set the X11 cursor cursor, or blank if cursor is NULL */ | ||
154 | if ( SDL_Window ) { | ||
155 | SDL_Lock_EventThread(); | ||
156 | if ( cursor == NULL ) { | ||
157 | if ( SDL_BlankCursor != NULL ) { | ||
158 | XDefineCursor(SDL_Display, SDL_Window, | ||
159 | SDL_BlankCursor->x_cursor); | ||
160 | } | ||
161 | } else { | ||
162 | XDefineCursor(SDL_Display, SDL_Window, cursor->x_cursor); | ||
163 | } | ||
164 | XSync(SDL_Display, False); | ||
165 | SDL_Unlock_EventThread(); | ||
166 | } | ||
167 | return(1); | ||
168 | } | ||
169 | |||
170 | void X11_WarpWMCursor(_THIS, Uint16 x, Uint16 y) | ||
171 | { | ||
172 | if ( using_dga & DGA_MOUSE ) { | ||
173 | SDL_PrivateMouseMotion(0, 0, x, y); | ||
174 | } else if ( mouse_relative) { | ||
175 | /* RJR: March 28, 2000 | ||
176 | leave physical cursor at center of screen if | ||
177 | mouse hidden and grabbed */ | ||
178 | SDL_PrivateMouseMotion(0, 0, x, y); | ||
179 | } else { | ||
180 | SDL_Lock_EventThread(); | ||
181 | XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0, x, y); | ||
182 | XSync(SDL_Display, False); | ||
183 | SDL_Unlock_EventThread(); | ||
184 | } | ||
185 | } | ||
186 | |||
187 | /* Sets the mouse acceleration from a string of the form: | ||
188 | 2/1/0 | ||
189 | The first number is the numerator, followed by the acceleration | ||
190 | denumenator and threshold. | ||
191 | */ | ||
192 | static void SetMouseAccel(_THIS, const char *accel_param) | ||
193 | { | ||
194 | int i; | ||
195 | size_t len; | ||
196 | int accel_value[3]; | ||
197 | char *mouse_param, *mouse_param_buf, *pin; | ||
198 | |||
199 | len = SDL_strlen(accel_param)+1; | ||
200 | mouse_param_buf = SDL_stack_alloc(char, len); | ||
201 | if ( ! mouse_param_buf ) { | ||
202 | return; | ||
203 | } | ||
204 | SDL_strlcpy(mouse_param_buf, accel_param, len); | ||
205 | mouse_param = mouse_param_buf; | ||
206 | |||
207 | for ( i=0; (i < 3) && mouse_param; ++i ) { | ||
208 | pin = SDL_strchr(mouse_param, '/'); | ||
209 | if ( pin ) { | ||
210 | *pin = '\0'; | ||
211 | } | ||
212 | accel_value[i] = atoi(mouse_param); | ||
213 | if ( pin ) { | ||
214 | mouse_param = pin+1; | ||
215 | } else { | ||
216 | mouse_param = NULL; | ||
217 | } | ||
218 | } | ||
219 | if ( i == 3 ) { | ||
220 | XChangePointerControl(SDL_Display, True, True, | ||
221 | accel_value[0], accel_value[1], accel_value[2]); | ||
222 | } | ||
223 | SDL_stack_free(mouse_param_buf); | ||
224 | } | ||
225 | |||
226 | /* Check to see if we need to enter or leave mouse relative mode */ | ||
227 | void X11_CheckMouseModeNoLock(_THIS) | ||
228 | { | ||
229 | const Uint8 full_focus = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); | ||
230 | char *env_override; | ||
231 | int enable_relative = 1; | ||
232 | |||
233 | /* This happens when quiting after an xio error */ | ||
234 | if ( SDL_Display == NULL ) | ||
235 | return; | ||
236 | |||
237 | /* Allow the user to override the relative mouse mode. | ||
238 | They almost never want to do this, as it seriously affects | ||
239 | applications that rely on continuous relative mouse motion. | ||
240 | */ | ||
241 | env_override = SDL_getenv("SDL_MOUSE_RELATIVE"); | ||
242 | if ( env_override ) { | ||
243 | enable_relative = atoi(env_override); | ||
244 | } | ||
245 | |||
246 | /* If the mouse is hidden and input is grabbed, we use relative mode */ | ||
247 | if ( enable_relative && | ||
248 | !(SDL_cursorstate & CURSOR_VISIBLE) && | ||
249 | (this->input_grab != SDL_GRAB_OFF) && | ||
250 | (SDL_GetAppState() & full_focus) == full_focus ) { | ||
251 | if ( ! mouse_relative ) { | ||
252 | X11_EnableDGAMouse(this); | ||
253 | if ( ! (using_dga & DGA_MOUSE) ) { | ||
254 | char *xmouse_accel; | ||
255 | |||
256 | SDL_GetMouseState(&mouse_last.x, &mouse_last.y); | ||
257 | /* Use as raw mouse mickeys as possible */ | ||
258 | XGetPointerControl(SDL_Display, | ||
259 | &mouse_accel.numerator, | ||
260 | &mouse_accel.denominator, | ||
261 | &mouse_accel.threshold); | ||
262 | xmouse_accel=SDL_getenv("SDL_VIDEO_X11_MOUSEACCEL"); | ||
263 | if ( xmouse_accel ) { | ||
264 | SetMouseAccel(this, xmouse_accel); | ||
265 | } | ||
266 | } | ||
267 | mouse_relative = 1; | ||
268 | } | ||
269 | } else { | ||
270 | if ( mouse_relative ) { | ||
271 | if ( using_dga & DGA_MOUSE ) { | ||
272 | X11_DisableDGAMouse(this); | ||
273 | } else { | ||
274 | XChangePointerControl(SDL_Display, True, True, | ||
275 | mouse_accel.numerator, | ||
276 | mouse_accel.denominator, | ||
277 | mouse_accel.threshold); | ||
278 | } | ||
279 | mouse_relative = 0; | ||
280 | } | ||
281 | } | ||
282 | } | ||
283 | void X11_CheckMouseMode(_THIS) | ||
284 | { | ||
285 | SDL_Lock_EventThread(); | ||
286 | X11_CheckMouseModeNoLock(this); | ||
287 | SDL_Unlock_EventThread(); | ||
288 | } | ||