add click on client binding. XAllow when clicking on the client
[mikachu/openbox.git] / plugins / mouse / mouse.c
1 #include "../../kernel/openbox.h"
2 #include "../../kernel/dispatch.h"
3 #include "../../kernel/action.h"
4 #include "../../kernel/client.h"
5 #include "../../kernel/frame.h"
6 #include "../../kernel/engine.h"
7 #include "translate.h"
8 #include "mouse.h"
9 #include <glib.h>
10
11 /* GData of GSList*s of PointerBinding*s. */
12 static GData *bound_contexts;
13
14 struct foreach_grab_temp {
15     Client *client;
16     gboolean grab;
17 };
18
19 static void grab_button(Client *client, guint state, guint button,
20                         GQuark context, gboolean grab)
21 {
22     Window win;
23     int mode = GrabModeAsync;
24     unsigned int mask;
25
26     if (context == g_quark_try_string("frame")) {
27         win = client->frame->window;
28         mask = ButtonPressMask | ButtonMotionMask | ButtonReleaseMask;
29     } else if (context == g_quark_try_string("client")) {
30         win = client->frame->plate;
31         mode = GrabModeSync; /* this is handled in pointer_event */
32         mask = ButtonPressMask; /* can't catch more than this with Sync mode
33                                    the release event is manufactured in
34                                    pointer_fire */
35     } else return;
36
37     if (grab)
38         /* XXX grab all lock keys */
39         XGrabButton(ob_display, button, state, win, FALSE, mask, mode,
40                     GrabModeAsync, None, None);
41     else
42         /* XXX ungrab all lock keys */
43         XUngrabButton(ob_display, button, state, win);
44 }
45
46 static void foreach_grab(GQuark key, gpointer data, gpointer user_data)
47 {
48     struct foreach_grab_temp *d = user_data;
49     GSList *it;
50     for (it = data; it != NULL; it = it->next) {
51         MouseBinding *b = it->data;
52         grab_button(d->client, b->state, b->button, key, d->grab);
53     }
54 }
55   
56 static void grab_for_client(Client *client, gboolean grab)
57 {
58     struct foreach_grab_temp bt;
59     bt.client = client;
60     bt.grab = grab;
61     g_datalist_foreach(&bound_contexts, foreach_grab, &bt);
62 }
63
64 static void grab_all_clients(gboolean grab)
65 {
66     GSList *it;
67
68     for (it = client_list; it != NULL; it = it->next)
69         grab_for_client(it->data, grab);
70 }
71
72 static void foreach_clear(GQuark key, gpointer data, gpointer user_data)
73 {
74     GSList *it;
75     user_data = user_data;
76     for (it = data; it != NULL; it = it->next) {
77         int i;
78
79         MouseBinding *b = it->data;
80         for (i = 0; i < NUM_MOUSEACTION; ++i)
81             if (b->action[i] != NULL)
82                 action_free(b->action[i]);
83         g_free(b);
84     }
85     g_slist_free(data);
86 }
87
88 static void fire_button(MouseAction a, GQuark context, Client *c, guint state,
89                         guint button)
90 {
91     GSList *it;
92     MouseBinding *b;
93
94     for (it = g_datalist_id_get_data(&bound_contexts, context);
95          it != NULL; it = it->next) {
96         b = it->data;
97         if (b->state == state && b->button == button)
98             break;
99     }
100     /* if not bound, then nothing to do! */
101     if (it == NULL) return;
102
103     if (b->action[a] != NULL && b->action[a]->func != NULL) {
104         b->action[a]->data.any.c = c;
105
106         g_assert(!(b->action[a]->func == action_move ||
107                    b->action[a]->func == action_resize));
108
109         b->action[a]->func(&b->action[a]->data);
110     }
111 }
112
113 /* corner should be the opposite corner of the window in which the pointer
114    clicked, Corner_TopLeft if a good default if there is no client */
115 static void fire_motion(MouseAction a, GQuark context, Client *c, guint state,
116                         guint button, int cx, int cy, int cw, int ch,
117                         int dx, int dy, gboolean final, Corner corner)
118 {
119     GSList *it;
120     MouseBinding *b;
121
122     for (it = g_datalist_id_get_data(&bound_contexts, context);
123          it != NULL; it = it->next) {
124         b = it->data;
125         if (b->state == state && b->button == button)
126                 break;
127     }
128     /* if not bound, then nothing to do! */
129     if (it == NULL) return;
130
131     if (b->action[a] != NULL && b->action[a]->func != NULL) {
132         b->action[a]->data.any.c = c;
133
134         if (b->action[a]->func == action_move) {
135             b->action[a]->data.move.x = cx + dx;
136             b->action[a]->data.move.y = cy + dy;
137             b->action[a]->data.move.final = final;
138         } else if (b->action[a]->func == action_resize) {
139             b->action[a]->data.resize.corner = corner;
140             switch (corner) {
141             case Corner_TopLeft:
142                 b->action[a]->data.resize.x = cw + dx;
143                 b->action[a]->data.resize.y = ch + dy;
144                 break;
145             case Corner_TopRight:
146                 b->action[a]->data.resize.x = cw - dx;
147                 b->action[a]->data.resize.y = ch + dy;
148                 break;
149             case Corner_BottomLeft:
150                 b->action[a]->data.resize.x = cw + dx;
151                 b->action[a]->data.resize.y = ch - dy;
152                 break;
153             case Corner_BottomRight:
154                 b->action[a]->data.resize.x = cw - dx;
155                 b->action[a]->data.resize.y = ch - dy;
156                 break;
157             }
158             b->action[a]->data.resize.final = final;
159         }
160         b->action[a]->func(&b->action[a]->data);
161     }
162 }
163
164 static Corner pick_corner(int x, int y, int cx, int cy, int cw, int ch)
165 {
166     if (x - cx < cw / 2) {
167         if (y - cy < ch / 2)
168             return Corner_BottomRight;
169         else
170             return Corner_TopRight;
171     } else {
172         if (y - cy < ch / 2)
173             return Corner_BottomLeft;
174         else
175             return Corner_TopLeft;
176     }
177 }
178
179 static void event(ObEvent *e, void *foo)
180 {
181     static Time ltime;
182     static int px, py, cx, cy, cw, ch, dx, dy;
183     static guint button = 0, lbutton = 0;
184     static gboolean drag = FALSE;
185     static Corner corner = Corner_TopLeft;
186     gboolean click = FALSE;
187     gboolean dclick = FALSE;
188
189     switch (e->type) {
190     case Event_Client_Mapped:
191         grab_for_client(e->data.c.client, TRUE);
192         break;
193
194     case Event_Client_Destroy:
195         grab_for_client(e->data.c.client, FALSE);
196         break;
197
198     case Event_X_ButtonPress:
199         if (!button) {
200             if (e->data.x.client != NULL) {
201                 cx = e->data.x.client->frame->area.x;
202                 cy = e->data.x.client->frame->area.y;
203                 cw = e->data.x.client->frame->area.width;
204                 ch = e->data.x.client->frame->area.height;
205                 px = e->data.x.e->xbutton.x_root;
206                 py = e->data.x.e->xbutton.y_root;
207                 corner = pick_corner(px, py, cx, cy, cw, ch);
208             }
209             button = e->data.x.e->xbutton.button;
210         }
211         fire_button(MouseAction_Press,
212                     engine_get_context(e->data.x.client,
213                                        e->data.x.e->xbutton.window),
214                     e->data.x.client, e->data.x.e->xbutton.state,
215                     e->data.x.e->xbutton.button);
216
217         /* XXX dont look up the context so many times */
218         if (engine_get_context(e->data.x.client,
219                                e->data.x.e->xbutton.window) ==
220             g_quark_try_string("client")) {
221             /* Replay the event, so it goes to the client*/
222             XAllowEvents(ob_display, ReplayPointer, CurrentTime);
223             /* Fall through to the release case! */
224         } else
225             break;
226
227     case Event_X_ButtonRelease:
228         if (e->data.x.e->xbutton.button == button) {
229             /* end drags */
230             if (drag) {
231                 fire_motion(MouseAction_Motion,
232                             engine_get_context(e->data.x.client,
233                                                e->data.x.e->xbutton.window),
234                             e->data.x.client, e->data.x.e->xbutton.state,
235                             e->data.x.e->xbutton.button,
236                             cx, cy, cw, ch, dx, dy, TRUE, corner);
237                 drag = FALSE;
238                 
239                 lbutton = 0;
240             } else {
241                 /* clicks are only valid if its released over the window */
242                 if (e->data.x.e->xbutton.x >= 0 &&
243                     e->data.x.e->xbutton.y >= 0) {
244                     int junk;
245                     Window wjunk;
246                     guint ujunk, w, h;
247                     XGetGeometry(ob_display, e->data.x.e->xbutton.window,
248                                  &wjunk, &junk, &junk, &w, &h, &ujunk, &ujunk);
249                     if (e->data.x.e->xbutton.x < (signed)w &&
250                         e->data.x.e->xbutton.y < (signed)h) {
251                         click =TRUE;
252                         /* double clicks happen if there were 2 in a row! */
253                         if (lbutton == button &&
254                             e->data.x.e->xbutton.time - 300 <= ltime)
255                             dclick = TRUE;
256                     }
257                     lbutton = button;
258                 } else
259                     lbutton = 0;
260             }
261
262             button = 0;
263             ltime = e->data.x.e->xbutton.time;
264         }
265         fire_button(MouseAction_Press,
266                     engine_get_context(e->data.x.client,
267                                        e->data.x.e->xbutton.window),
268                     e->data.x.client, e->data.x.e->xbutton.state,
269                     e->data.x.e->xbutton.button);
270         if (click)
271             fire_button(MouseAction_Click,
272                         engine_get_context(e->data.x.client,
273                                            e->data.x.e->xbutton.window),
274                         e->data.x.client, e->data.x.e->xbutton.state,
275                         e->data.x.e->xbutton.button);
276         if (dclick)
277             fire_button(MouseAction_DClick,
278                         engine_get_context(e->data.x.client,
279                                            e->data.x.e->xbutton.window),
280                         e->data.x.client, e->data.x.e->xbutton.state,
281                         e->data.x.e->xbutton.button);
282         break;
283
284     case Event_X_MotionNotify:
285         if (button) {
286             drag = TRUE;
287             dx = e->data.x.e->xmotion.x_root - px;
288             dy = e->data.x.e->xmotion.y_root - py;
289             fire_motion(MouseAction_Motion,
290                         engine_get_context(e->data.x.client,
291                                            e->data.x.e->xbutton.window),
292                         e->data.x.client, e->data.x.e->xmotion.state,
293                         button, cx, cy, cw, ch, dx, dy, FALSE, corner);
294         }
295         break;
296
297     default:
298         g_assert_not_reached();
299     }
300 }
301
302 static gboolean mbind(char *buttonstr, char *contextstr, MouseAction mact,
303                       Action *action)
304 {
305     guint state, button;
306     GQuark context;
307     MouseBinding *b;
308     GSList *it;
309     guint i;
310
311     if (!translate_button(buttonstr, &state, &button)) {
312         g_warning("invalid button");
313         return FALSE;
314     }
315
316     context = g_quark_try_string(contextstr);
317     if (!context) {
318         g_warning("invalid context");
319         return FALSE;
320     }
321
322     for (it = g_datalist_id_get_data(&bound_contexts, context);
323          it != NULL; it = it->next){
324         b = it->data;
325         if (b->state == state && b->button == button) {
326             /* already bound */
327             if (b->action[mact] != NULL) {
328                 g_warning("duplicate binding");
329                 return FALSE;
330             }
331             b->action[mact] = action;
332             return TRUE;
333         }
334     }
335
336     grab_all_clients(FALSE);
337
338     /* add the binding */
339     b = g_new(MouseBinding, 1);
340     b->state = state;
341     b->button = button;
342     for (i = 0; i < NUM_MOUSEACTION; ++i)
343         b->action[i] = NULL;
344     b->action[mact] = action;
345     g_datalist_id_set_data(&bound_contexts, context, 
346         g_slist_append(g_datalist_id_get_data(&bound_contexts, context), b));
347
348     grab_all_clients(TRUE);
349
350     return TRUE;
351 }
352
353 static void binddef()
354 {
355     Action *a;
356
357     /* When creating an Action struct, all of the data elements in the
358        appropriate struct need to be set, except the Client*, which will be set
359        at call-time when then action function is used.
360
361        For action_move and action_resize, the 'x', 'y', and 'final' data
362        elements should not be set, as they are set at call-time.       
363     */
364
365     a = action_new(action_move);
366     mbind("1", "titlebar", MouseAction_Motion, a);
367     a = action_new(action_move);
368     mbind("1", "handle", MouseAction_Motion, a);
369     a = action_new(action_move);
370     mbind("A-1", "frame", MouseAction_Motion, a);
371
372     a = action_new(action_resize);
373     mbind("1", "blcorner", MouseAction_Motion, a);
374     a = action_new(action_resize);
375     mbind("1", "brcorner", MouseAction_Motion, a);
376     a = action_new(action_resize);
377     mbind("A-3", "frame", MouseAction_Motion, a);
378
379     a = action_new(action_focusraise);
380     mbind("1", "titlebar", MouseAction_Press, a);
381     a = action_new(action_focusraise);
382     mbind("1", "handle", MouseAction_Press, a);
383     a = action_new(action_lower);
384     mbind("2", "titlebar", MouseAction_Press, a);
385     a = action_new(action_lower);
386     mbind("2", "handle", MouseAction_Press, a);
387     a = action_new(action_raise);
388     mbind("A-1", "frame", MouseAction_Click, a);
389     a = action_new(action_lower);
390     mbind("A-3", "frame", MouseAction_Click, a);
391
392     a = action_new(action_focusraise);
393     mbind("1", "client", MouseAction_Press, a);
394
395     a = action_new(action_toggle_shade);
396     mbind("1", "titlebar", MouseAction_DClick, a);
397     a = action_new(action_shade);
398     mbind("4", "titlebar", MouseAction_Press, a);
399     a = action_new(action_unshade);
400     mbind("5", "titlebar", MouseAction_Click, a);
401
402     a = action_new(action_toggle_maximize_full);
403     mbind("1", "maximize", MouseAction_Click, a);
404     a = action_new(action_toggle_maximize_vert);
405     mbind("2", "maximize", MouseAction_Click, a);
406     a = action_new(action_toggle_maximize_horz);
407     mbind("3", "maximize", MouseAction_Click, a);
408     a = action_new(action_iconify);
409     mbind("1", "iconify", MouseAction_Click, a);
410     a = action_new(action_close);
411     mbind("1", "icon", MouseAction_DClick, a);
412     a = action_new(action_close);
413     mbind("1", "close", MouseAction_Click, a);
414     a = action_new(action_toggle_omnipresent);
415     mbind("1", "alldesktops", MouseAction_Click, a);
416
417     a = action_new(action_next_desktop);
418     a->data.nextprevdesktop.wrap = TRUE;
419     mbind("4", "root", MouseAction_Click, a);
420     a = action_new(action_previous_desktop);
421     a->data.nextprevdesktop.wrap = TRUE;
422     mbind("5", "root", MouseAction_Click, a);
423     a = action_new(action_next_desktop);
424     a->data.nextprevdesktop.wrap = TRUE;
425     mbind("A-4", "root", MouseAction_Click, a);
426     a = action_new(action_previous_desktop);
427     a->data.nextprevdesktop.wrap = TRUE;
428     mbind("A-5", "root", MouseAction_Click, a);
429     a = action_new(action_next_desktop);
430     a->data.nextprevdesktop.wrap = TRUE;
431     mbind("A-4", "frame", MouseAction_Click, a);
432     a = action_new(action_previous_desktop);
433     a->data.nextprevdesktop.wrap = TRUE;
434     mbind("A-5", "frame", MouseAction_Click, a);
435 }
436
437 void plugin_startup()
438 {
439     dispatch_register(Event_Client_Mapped | Event_Client_Destroy |
440                       Event_X_ButtonPress | Event_X_ButtonRelease |
441                       Event_X_MotionNotify, (EventHandler)event, NULL);
442
443     /* XXX parse a config */
444     binddef();
445 }
446
447 void plugin_shutdown()
448 {
449     dispatch_register(0, (EventHandler)event, NULL);
450
451     grab_all_clients(FALSE);
452     g_datalist_foreach(&bound_contexts, foreach_clear, NULL);
453 }