]> icculus.org git repositories - dana/openbox.git/blob - openbox/keyboard.c
don't strip the xkey event states, and make the menus work with non-US stuff.
[dana/openbox.git] / openbox / keyboard.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    keyboard.c for the Openbox window manager
4    Copyright (c) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "focus.h"
21 #include "screen.h"
22 #include "frame.h"
23 #include "openbox.h"
24 #include "event.h"
25 #include "grab.h"
26 #include "client.h"
27 #include "actions.h"
28 #include "menuframe.h"
29 #include "config.h"
30 #include "keytree.h"
31 #include "keyboard.h"
32 #include "translate.h"
33 #include "moveresize.h"
34 #include "popup.h"
35 #include "gettext.h"
36 #include "obt/keyboard.h"
37
38 #include <glib.h>
39
40 KeyBindingTree *keyboard_firstnode = NULL;
41 static ObPopup *popup = NULL;
42 static KeyBindingTree *curpos;
43
44 static void grab_keys(gboolean grab)
45 {
46     KeyBindingTree *p;
47
48     ungrab_all_keys(obt_root(ob_screen));
49
50     if (grab) {
51         p = curpos ? curpos->first_child : keyboard_firstnode;
52         while (p) {
53             if (p->key)
54                 grab_key(p->key, p->state, obt_root(ob_screen),
55                          GrabModeAsync);
56             p = p->next_sibling;
57         }
58         if (curpos)
59             grab_key(config_keyboard_reset_keycode,
60                      config_keyboard_reset_state,
61                      obt_root(ob_screen), GrabModeAsync);
62     }
63 }
64
65 static gboolean chain_timeout(gpointer data)
66 {
67     keyboard_reset_chains(0);
68     return FALSE; /* don't repeat */
69 }
70
71 static void set_curpos(KeyBindingTree *newpos)
72 {
73     if (curpos == newpos) return;
74
75     grab_keys(FALSE);
76     curpos = newpos;
77     grab_keys(TRUE);
78
79     if (curpos != NULL) {
80         gchar *text = NULL;
81         GList *it;
82         Rect *a;
83
84         for (it = curpos->keylist; it; it = g_list_next(it)) {
85             gchar *oldtext = text;
86             if (text == NULL)
87                 text = g_strdup(it->data);
88             else
89                 text = g_strconcat(text, " - ", it->data, NULL);
90             g_free(oldtext);
91         }
92
93         a = screen_physical_area_primary(FALSE);
94         popup_position(popup, NorthWestGravity, a->x + 10, a->y + 10);
95         /* 1 second delay for the popup to show */
96         popup_delay_show(popup, G_USEC_PER_SEC, text);
97         g_free(text);
98         g_free(a);
99     } else {
100         popup_hide(popup);
101     }
102 }
103
104 void keyboard_reset_chains(gint break_chroots)
105 {
106     KeyBindingTree *p;
107
108     for (p = curpos; p; p = p->parent) {
109         if (p->chroot) {
110             if (break_chroots == 0) break; /* stop here */
111             if (break_chroots > 0)
112                 --break_chroots;
113         }
114     }
115     set_curpos(p);
116 }
117
118 void keyboard_unbind_all(void)
119 {
120     tree_destroy(keyboard_firstnode);
121     keyboard_firstnode = NULL;
122 }
123
124 void keyboard_chroot(GList *keylist)
125 {
126     /* try do it in the existing tree. if we can't that means it is an empty
127        chroot binding. so add it to the tree then. */
128     if (!tree_chroot(keyboard_firstnode, keylist)) {
129         KeyBindingTree *tree;
130         if (!(tree = tree_build(keylist)))
131             return;
132         tree_chroot(tree, keylist);
133         tree_assimilate(tree);
134     }
135 }
136
137 gboolean keyboard_bind(GList *keylist, ObActionsAct *action)
138 {
139     KeyBindingTree *tree, *t;
140     gboolean conflict;
141
142     g_assert(keylist != NULL);
143     g_assert(action != NULL);
144
145     if (!(tree = tree_build(keylist)))
146         return FALSE;
147
148     if ((t = tree_find(tree, &conflict)) != NULL) {
149         /* already bound to something, use the existing tree */
150         tree_destroy(tree);
151         tree = NULL;
152     } else
153         t = tree;
154
155     if (conflict) {
156         g_message(_("Conflict with key binding in config file"));
157         tree_destroy(tree);
158         return FALSE;
159     }
160
161     /* find the bottom node */
162     for (; t->first_child; t = t->first_child);
163
164     /* set the action */
165     t->actions = g_slist_append(t->actions, action);
166     /* assimilate this built tree into the main tree. assimilation
167        destroys/uses the tree */
168     if (tree) tree_assimilate(tree);
169
170     return TRUE;
171 }
172
173 #if 0
174 gboolean keyboard_process_interactive_grab(const XEvent *e, ObClient **client)
175 {
176     gboolean handled = FALSE;
177     gboolean done = FALSE;
178     gboolean cancel = FALSE;
179     guint state;
180
181     state = obt_keyboard_only_modmasks(ev->xkey.state);
182     if (e->type == KeyRelease) {
183         /* remove from the state the mask of the modifier key being
184            released, if it is a modifier key being released that is */
185         state &= ~obt_keyboard_keycode_to_modmask(e->xkey.keycode);
186     }
187
188     if (istate.active) {
189         if ((e->type == KeyRelease && !(istate.state & state))) {
190             done = TRUE;
191             handled = TRUE;
192         } else if (e->type == KeyPress) {
193             /*if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN))
194               done = TRUE;
195               else */if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE)) {
196                   cancel = done = TRUE;
197                   handled = TRUE;
198               }
199         } else if (e->type == ButtonPress) {
200             cancel = TRUE;
201             done = TRUE;
202             handled = FALSE;
203         }
204
205         if (done)
206             keyboard_interactive_end(state, cancel, e->xkey.time,TRUE);
207
208         if (handled)
209             *client = istate.client;
210     }
211
212     return handled;
213 }
214 #endif
215
216 gboolean keyboard_event(ObClient *client, const XEvent *e)
217 {
218     KeyBindingTree *p;
219     gboolean used;
220     guint state;
221
222     if (e->type == KeyRelease) {
223         grab_key_passive_count(-1);
224         return FALSE;
225     }
226
227     g_assert(e->type == KeyPress);
228     grab_key_passive_count(1);
229
230     state = obt_keyboard_only_modmasks(e->xkey.state);
231
232     if (e->xkey.keycode == config_keyboard_reset_keycode &&
233         state == config_keyboard_reset_state)
234     {
235         obt_main_loop_timeout_remove(ob_main_loop, chain_timeout);
236         keyboard_reset_chains(-1);
237         return TRUE;
238     }
239
240     used = FALSE;
241     if (curpos == NULL)
242         p = keyboard_firstnode;
243     else
244         p = curpos->first_child;
245     while (p) {
246         if (p->key == e->xkey.keycode &&
247             p->state == state)
248         {
249             /* if we hit a key binding, then close any open menus and run it */
250             if (menu_frame_visible)
251                 menu_frame_hide_all();
252
253             if (p->first_child != NULL) { /* part of a chain */
254                 obt_main_loop_timeout_remove(ob_main_loop, chain_timeout);
255                 /* 3 second timeout for chains */
256                 obt_main_loop_timeout_add(ob_main_loop, 3 * G_USEC_PER_SEC,
257                                           chain_timeout, NULL,
258                                           g_direct_equal, NULL);
259                 set_curpos(p);
260             } else if (p->chroot)         /* an empty chroot */
261                 set_curpos(p);
262             else {
263                 GSList *it;
264
265                 for (it = p->actions; it; it = g_slist_next(it))
266                     if (actions_act_is_interactive(it->data)) break;
267                 if (it == NULL) /* reset if the actions are not interactive */
268                     keyboard_reset_chains(0);
269
270                 actions_run_acts(p->actions, OB_USER_ACTION_KEYBOARD_KEY,
271                                  e->xkey.state, e->xkey.x_root, e->xkey.y_root,
272                                  0, OB_FRAME_CONTEXT_NONE, client);
273             }
274             break;
275             used = TRUE;
276         }
277         p = p->next_sibling;
278     }
279     return used;
280 }
281
282 static void node_rebind(KeyBindingTree *node)
283 {
284     if (node->first_child) {
285         /* find leaf nodes */
286         node_rebind(node->first_child);
287
288         /* for internal nodes, add them to the tree if they
289            are a chroot, but do this after adding their
290            children */
291         if (node->chroot)
292             keyboard_chroot(node->keylist);
293     }
294     else {
295         /* for leaf nodes, rebind each action assigned to it */
296         while (node->actions) {
297             /* add each action, and remove them from the original tree so
298                they don't get free'd on us */
299             keyboard_bind(node->keylist, node->actions->data);
300             node->actions = g_slist_delete_link(node->actions, node->actions);
301         }
302
303         if (node->chroot)
304             keyboard_chroot(node->keylist);
305     }
306
307     /* go through each sibling */
308     if (node->next_sibling) node_rebind(node->next_sibling);
309 }
310
311 void keyboard_rebind(void)
312 {
313     KeyBindingTree *old;
314
315     old = keyboard_firstnode;
316     keyboard_firstnode = NULL;
317     node_rebind(old);
318
319     tree_destroy(old);
320     set_curpos(NULL);
321     grab_keys(TRUE);
322 }
323
324 void keyboard_startup(gboolean reconfig)
325 {
326     grab_keys(TRUE);
327     popup = popup_new();
328     popup_set_text_align(popup, RR_JUSTIFY_CENTER);
329 }
330
331 void keyboard_shutdown(gboolean reconfig)
332 {
333     obt_main_loop_timeout_remove(ob_main_loop, chain_timeout);
334
335     keyboard_unbind_all();
336     set_curpos(NULL);
337
338     popup_free(popup);
339     popup = NULL;
340 }