Dogcows Code - chaz/openbox/blob - plugins/keyboard/keyboard.c

   1 #include "../../kernel/focus.h"
   2 #include "../../kernel/dispatch.h"
   3 #include "../../kernel/openbox.h"
   4 #include "../../kernel/grab.h"
   5 #include "../../kernel/action.h"
   6 #include "tree.h"
   7 #include "keyboard.h"
   8 #include "keysrc.h"
   9 #include <glib.h>
  10
  11 void plugin_setup_config()
  12 {
  13 }
  14
  15 KeyBindingTree *firstnode;
  16
  17 static KeyBindingTree *curpos;
  18 static guint reset_key, reset_state;
  19 static gboolean grabbed;
  20
  21 static void grab_keys(gboolean grab)
  22 {
  23     if (!grab) {
  24         ungrab_all_keys();
  25     } else {
  26         KeyBindingTree *p = firstnode;
  27         while (p) {
  28             grab_key(p->key, p->state, GrabModeSync);
  29             p = p->next_sibling;
  30         }
  31     }
  32 }
  33
  34 static void reset_chains()
  35 {
  36     /* XXX kill timer */
  37     curpos = NULL;
  38     if (grabbed) {
  39         grabbed = FALSE;
  40         grab_keyboard(FALSE);
  41     }
  42 }
  43
  44 gboolean kbind(GList *keylist, Action *action)
  45 {
  46     KeyBindingTree *tree, *t;
  47     gboolean conflict;
  48
  49     g_assert(keylist != NULL);
  50     g_assert(action != NULL);
  51
  52     if (!(tree = tree_build(keylist)))
  53         return FALSE;
  54     if ((t = tree_find(tree, &conflict)) != NULL) {
  55         /* already bound to something */
  56         g_warning("keychain is already bound");
  57         tree_destroy(tree);
  58         return FALSE;
  59     }
  60     if (conflict) {
  61         g_warning("conflict with binding");
  62         tree_destroy(tree);
  63         return FALSE;
  64     }
  65
  66     /* grab the server here to make sure no key presses go missed */
  67     grab_server(TRUE);
  68     grab_keys(FALSE);
  69
  70     /* set the action */
  71     t = tree;
  72     while (t->first_child) t = t->first_child;
  73     t->action = action;
  74     /* assimilate this built tree into the main tree. assimilation
  75        destroys/uses the tree */
  76     tree_assimilate(tree);
  77
  78     grab_keys(TRUE);
  79     grab_server(FALSE);
  80
  81     return TRUE;
  82 }
  83
  84 static void press(ObEvent *e, void *foo)
  85 {
  86     if (e->data.x.e->xkey.keycode == reset_key &&
  87         e->data.x.e->xkey.state == reset_state) {
  88         reset_chains();
  89     } else {
  90         KeyBindingTree *p;
  91         if (curpos == NULL)
  92             p = firstnode;
  93         else
  94             p = curpos->first_child;
  95         while (p) {
  96             if (p->key == e->data.x.e->xkey.keycode &&
  97                 p->state == e->data.x.e->xkey.state) {
  98                 if (p->first_child != NULL) { /* part of a chain */
  99                     /* XXX TIMER */
 100                     if (!grabbed) {
 101                         grab_keyboard(TRUE);
 102                         grabbed = TRUE;
 103                     }
 104                     curpos = p;
 105                 } else {
 106                     if (p->action->func != NULL) {
 107                         p->action->data.any.c = focus_client;
 108
 109                         g_assert(!(p->action->func == action_move ||
 110                                    p->action->func == action_resize));
 111
 112                         p->action->func(&p->action->data);
 113                     }
 114
 115                     reset_chains();
 116                 }
 117                 break;
 118             }
 119             p = p->next_sibling;
 120         }
 121     }
 122     XAllowEvents(ob_display, AsyncKeyboard, e->data.x.e->xkey.time);
 123 }
 124
 125 void plugin_startup()
 126 {
 127     dispatch_register(Event_X_KeyPress, (EventHandler)press, NULL);
 128
 129     translate_key("C-g", &reset_state, &reset_key);
 130
 131     keysrc_parse();
 132 }
 133
 134 void plugin_shutdown()
 135 {
 136     dispatch_register(0, (EventHandler)press, NULL);
 137
 138     grab_keys(FALSE);
 139     tree_destroy(firstnode);
 140     firstnode = NULL;
 141     grab_keys(TRUE);
 142 }
 143