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1 | /* |
2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. | |
3 | * | |
4 | *Permission is hereby granted, free of charge, to any person obtaining | |
5 | * a copy of this software and associated documentation files (the | |
6 | *"Software"), to deal in the Software without restriction, including | |
7 | *without limitation the rights to use, copy, modify, merge, publish, | |
8 | *distribute, sublicense, and/or sell copies of the Software, and to | |
9 | *permit persons to whom the Software is furnished to do so, subject to | |
10 | *the following conditions: | |
11 | * | |
12 | *The above copyright notice and this permission notice shall be | |
13 | *included in all copies or substantial portions of the Software. | |
14 | * | |
15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
16 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
18 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR | |
19 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF | |
20 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
21 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | *Except as contained in this notice, the name of the XFree86 Project | |
24 | *shall not be used in advertising or otherwise to promote the sale, use | |
25 | *or other dealings in this Software without prior written authorization | |
26 | *from the XFree86 Project. | |
27 | * | |
28 | * Authors: Dakshinamurthy Karra | |
29 | * Suhaib M Siddiqi | |
30 | * Peter Busch | |
31 | * Harold L Hunt II | |
32 | */ | |
33 | ||
34 | #ifdef HAVE_XWIN_CONFIG_H | |
35 | #include <xwin-config.h> | |
36 | #endif | |
37 | #include "win.h" | |
38 | ||
39 | #include "inputstr.h" | |
40 | #include "exevents.h" /* for button/axes labels */ | |
41 | #include "xserver-properties.h" | |
42 | #include "inpututils.h" | |
43 | ||
44 | /* Peek the internal button mapping */ | |
45 | static CARD8 const *g_winMouseButtonMap = NULL; | |
46 | ||
47 | /* | |
48 | * Local prototypes | |
49 | */ | |
50 | ||
51 | static void | |
52 | winMouseCtrl(DeviceIntPtr pDevice, PtrCtrl * pCtrl); | |
53 | ||
54 | static void | |
55 | winMouseCtrl(DeviceIntPtr pDevice, PtrCtrl * pCtrl) | |
56 | { | |
57 | } | |
58 | ||
59 | /* | |
60 | * See Porting Layer Definition - p. 18 | |
61 | * This is known as a DeviceProc | |
62 | */ | |
63 | ||
64 | int | |
65 | winMouseProc(DeviceIntPtr pDeviceInt, int iState) | |
66 | { | |
67 | int lngMouseButtons, i; | |
68 | int lngWheelEvents = 4; | |
69 | CARD8 *map; | |
70 | DevicePtr pDevice = (DevicePtr) pDeviceInt; | |
71 | Atom btn_labels[9]; | |
72 | Atom axes_labels[2]; | |
73 | ||
74 | switch (iState) { | |
75 | case DEVICE_INIT: | |
76 | /* Get number of mouse buttons */ | |
77 | lngMouseButtons = GetSystemMetrics(SM_CMOUSEBUTTONS); | |
78 | winMsg(X_PROBED, "%d mouse buttons found\n", lngMouseButtons); | |
79 | ||
80 | /* Mapping of windows events to X events: | |
81 | * LEFT:1 MIDDLE:2 RIGHT:3 | |
82 | * SCROLL_UP:4 SCROLL_DOWN:5 | |
83 | * TILT_LEFT:6 TILT_RIGHT:7 | |
84 | * XBUTTON 1:8 XBUTTON 2:9 (most commonly 'back' and 'forward') | |
85 | * ... | |
86 | * | |
87 | * The current Windows API only defines 2 extra buttons, so we don't | |
88 | * expect more than 5 buttons to be reported, but more than that | |
89 | * should be handled correctly | |
90 | */ | |
91 | ||
92 | /* | |
93 | * To map scroll wheel correctly we need at least the 3 normal buttons | |
94 | */ | |
95 | if (lngMouseButtons < 3) | |
96 | lngMouseButtons = 3; | |
97 | ||
98 | /* allocate memory: | |
99 | * number of buttons + 4 x mouse wheel event + 1 extra (offset for map) | |
100 | */ | |
101 | map = malloc(sizeof(CARD8) * (lngMouseButtons + lngWheelEvents + 1)); | |
102 | ||
103 | /* initalize button map */ | |
104 | map[0] = 0; | |
105 | for (i = 1; i <= lngMouseButtons + lngWheelEvents; i++) | |
106 | map[i] = i; | |
107 | ||
108 | btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT); | |
109 | btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE); | |
110 | btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT); | |
111 | btn_labels[3] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_UP); | |
112 | btn_labels[4] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_WHEEL_DOWN); | |
113 | btn_labels[5] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_LEFT); | |
114 | btn_labels[6] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_HWHEEL_RIGHT); | |
115 | btn_labels[7] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_BACK); | |
116 | btn_labels[8] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_FORWARD); | |
117 | ||
118 | axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X); | |
119 | axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y); | |
120 | ||
121 | InitPointerDeviceStruct(pDevice, | |
122 | map, | |
123 | lngMouseButtons + lngWheelEvents, | |
124 | btn_labels, | |
125 | winMouseCtrl, | |
126 | GetMotionHistorySize(), 2, axes_labels); | |
127 | free(map); | |
128 | ||
129 | g_winMouseButtonMap = pDeviceInt->button->map; | |
130 | break; | |
131 | ||
132 | case DEVICE_ON: | |
133 | pDevice->on = TRUE; | |
134 | break; | |
135 | ||
136 | case DEVICE_CLOSE: | |
137 | g_winMouseButtonMap = NULL; | |
138 | ||
139 | case DEVICE_OFF: | |
140 | pDevice->on = FALSE; | |
141 | break; | |
142 | } | |
143 | return Success; | |
144 | } | |
145 | ||
146 | /* Handle the mouse wheel */ | |
147 | int | |
148 | winMouseWheel(int *iTotalDeltaZ, int iDeltaZ, int iButtonUp, int iButtonDown) | |
149 | { | |
150 | int button; | |
151 | ||
152 | /* Do we have any previous delta stored? */ | |
153 | if ((*iTotalDeltaZ > 0 && iDeltaZ > 0) | |
154 | || (*iTotalDeltaZ < 0 && iDeltaZ < 0)) { | |
155 | /* Previous delta and of same sign as current delta */ | |
156 | iDeltaZ += *iTotalDeltaZ; | |
157 | *iTotalDeltaZ = 0; | |
158 | } | |
159 | else { | |
160 | /* | |
161 | * Previous delta of different sign, or zero. | |
162 | * We will set it to zero for either case, | |
163 | * as blindly setting takes just as much time | |
164 | * as checking, then setting if necessary :) | |
165 | */ | |
166 | *iTotalDeltaZ = 0; | |
167 | } | |
168 | ||
169 | /* | |
170 | * Only process this message if the wheel has moved further than | |
171 | * WHEEL_DELTA | |
172 | */ | |
173 | if (iDeltaZ >= WHEEL_DELTA || (-1 * iDeltaZ) >= WHEEL_DELTA) { | |
174 | *iTotalDeltaZ = 0; | |
175 | ||
176 | /* Figure out how many whole deltas of the wheel we have */ | |
177 | iDeltaZ /= WHEEL_DELTA; | |
178 | } | |
179 | else { | |
180 | /* | |
181 | * Wheel has not moved past WHEEL_DELTA threshold; | |
182 | * we will store the wheel delta until the threshold | |
183 | * has been reached. | |
184 | */ | |
185 | *iTotalDeltaZ = iDeltaZ; | |
186 | return 0; | |
187 | } | |
188 | ||
189 | /* Set the button to indicate up or down wheel delta */ | |
190 | if (iDeltaZ > 0) { | |
191 | button = iButtonUp; | |
192 | } | |
193 | else { | |
194 | button = iButtonDown; | |
195 | } | |
196 | ||
197 | /* | |
198 | * Flip iDeltaZ to positive, if negative, | |
199 | * because always need to generate a *positive* number of | |
200 | * button clicks for the Z axis. | |
201 | */ | |
202 | if (iDeltaZ < 0) { | |
203 | iDeltaZ *= -1; | |
204 | } | |
205 | ||
206 | /* Generate X input messages for each wheel delta we have seen */ | |
207 | while (iDeltaZ--) { | |
208 | /* Push the wheel button */ | |
209 | winMouseButtonsSendEvent(ButtonPress, button); | |
210 | ||
211 | /* Release the wheel button */ | |
212 | winMouseButtonsSendEvent(ButtonRelease, button); | |
213 | } | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
218 | /* | |
219 | * Enqueue a mouse button event | |
220 | */ | |
221 | ||
222 | void | |
223 | winMouseButtonsSendEvent(int iEventType, int iButton) | |
224 | { | |
225 | ValuatorMask mask; | |
226 | ||
227 | if (g_winMouseButtonMap) | |
228 | iButton = g_winMouseButtonMap[iButton]; | |
229 | ||
230 | valuator_mask_zero(&mask); | |
231 | QueuePointerEvents(g_pwinPointer, iEventType, iButton, | |
232 | POINTER_RELATIVE, &mask); | |
233 | ||
234 | #if CYGDEBUG | |
235 | ErrorF("winMouseButtonsSendEvent: iEventType: %d, iButton: %d\n", | |
236 | iEventType, iButton); | |
237 | #endif | |
238 | } | |
239 | ||
240 | /* | |
241 | * Decide what to do with a Windows mouse message | |
242 | */ | |
243 | ||
244 | int | |
245 | winMouseButtonsHandle(ScreenPtr pScreen, | |
246 | int iEventType, int iButton, WPARAM wParam) | |
247 | { | |
248 | winScreenPriv(pScreen); | |
249 | winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo; | |
250 | ||
251 | /* Send button events right away if emulate 3 buttons is off */ | |
252 | if (pScreenInfo->iE3BTimeout == WIN_E3B_OFF) { | |
253 | /* Emulate 3 buttons is off, send the button event */ | |
254 | winMouseButtonsSendEvent(iEventType, iButton); | |
255 | return 0; | |
256 | } | |
257 | ||
258 | /* Emulate 3 buttons is on, let the fun begin */ | |
259 | if (iEventType == ButtonPress | |
260 | && pScreenPriv->iE3BCachedPress == 0 | |
261 | && !pScreenPriv->fE3BFakeButton2Sent) { | |
262 | /* | |
263 | * Button was pressed, no press is cached, | |
264 | * and there is no fake button 2 release pending. | |
265 | */ | |
266 | ||
267 | /* Store button press type */ | |
268 | pScreenPriv->iE3BCachedPress = iButton; | |
269 | ||
270 | /* | |
271 | * Set a timer to send this button press if the other button | |
272 | * is not pressed within the timeout time. | |
273 | */ | |
274 | SetTimer(pScreenPriv->hwndScreen, | |
275 | WIN_E3B_TIMER_ID, pScreenInfo->iE3BTimeout, NULL); | |
276 | } | |
277 | else if (iEventType == ButtonPress | |
278 | && pScreenPriv->iE3BCachedPress != 0 | |
279 | && pScreenPriv->iE3BCachedPress != iButton | |
280 | && !pScreenPriv->fE3BFakeButton2Sent) { | |
281 | /* | |
282 | * Button press is cached, other button was pressed, | |
283 | * and there is no fake button 2 release pending. | |
284 | */ | |
285 | ||
286 | /* Mouse button was cached and other button was pressed */ | |
287 | KillTimer(pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID); | |
288 | pScreenPriv->iE3BCachedPress = 0; | |
289 | ||
290 | /* Send fake middle button */ | |
291 | winMouseButtonsSendEvent(ButtonPress, Button2); | |
292 | ||
293 | /* Indicate that a fake middle button event was sent */ | |
294 | pScreenPriv->fE3BFakeButton2Sent = TRUE; | |
295 | } | |
296 | else if (iEventType == ButtonRelease | |
297 | && pScreenPriv->iE3BCachedPress == iButton) { | |
298 | /* | |
299 | * Cached button was released before timer ran out, | |
300 | * and before the other mouse button was pressed. | |
301 | */ | |
302 | KillTimer(pScreenPriv->hwndScreen, WIN_E3B_TIMER_ID); | |
303 | pScreenPriv->iE3BCachedPress = 0; | |
304 | ||
305 | /* Send cached press, then send release */ | |
306 | winMouseButtonsSendEvent(ButtonPress, iButton); | |
307 | winMouseButtonsSendEvent(ButtonRelease, iButton); | |
308 | } | |
309 | else if (iEventType == ButtonRelease | |
310 | && pScreenPriv->fE3BFakeButton2Sent && !(wParam & MK_LBUTTON) | |
311 | && !(wParam & MK_RBUTTON)) { | |
312 | /* | |
313 | * Fake button 2 was sent and both mouse buttons have now been released | |
314 | */ | |
315 | pScreenPriv->fE3BFakeButton2Sent = FALSE; | |
316 | ||
317 | /* Send middle mouse button release */ | |
318 | winMouseButtonsSendEvent(ButtonRelease, Button2); | |
319 | } | |
320 | else if (iEventType == ButtonRelease | |
321 | && pScreenPriv->iE3BCachedPress == 0 | |
322 | && !pScreenPriv->fE3BFakeButton2Sent) { | |
323 | /* | |
324 | * Button was release, no button is cached, | |
325 | * and there is no fake button 2 release is pending. | |
326 | */ | |
327 | winMouseButtonsSendEvent(ButtonRelease, iButton); | |
328 | } | |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
333 | /** | |
334 | * Enqueue a motion event. | |
335 | * | |
336 | */ | |
337 | void | |
338 | winEnqueueMotion(int x, int y) | |
339 | { | |
340 | int valuators[2]; | |
341 | ValuatorMask mask; | |
342 | ||
343 | valuators[0] = x; | |
344 | valuators[1] = y; | |
345 | ||
346 | valuator_mask_set_range(&mask, 0, 2, valuators); | |
347 | QueuePointerEvents(g_pwinPointer, MotionNotify, 0, | |
348 | POINTER_ABSOLUTE | POINTER_SCREEN, &mask); | |
349 | ||
350 | } |