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 "translate.h"
  10 #include <glib.h>
  11
  12 void plugin_setup_config()
  13 {
  14 }
  15
  16 KeyBindingTree *firstnode;
  17
  18 static KeyBindingTree *curpos;
  19 static guint reset_key, reset_state;
  20 static gboolean grabbed;
  21
  22 static void grab_keys(gboolean grab)
  23 {
  24     if (!grab) {
  25         ungrab_all_keys();
  26     } else {
  27         KeyBindingTree *p = firstnode;
  28         while (p) {
  29             grab_key(p->key, p->state, GrabModeSync);
  30             p = p->next_sibling;
  31         }
  32     }
  33 }
  34
  35 static void reset_chains()
  36 {
  37     /* XXX kill timer */
  38     curpos = NULL;
  39     if (grabbed) {
  40         grabbed = FALSE;
  41         grab_keyboard(FALSE);
  42     } else
  43         XAllowEvents(ob_display, AsyncKeyboard, CurrentTime);
  44 }
  45
  46 gboolean kbind(GList *keylist, Action *action)
  47 {
  48     KeyBindingTree *tree, *t;
  49     gboolean conflict;
  50
  51     g_assert(keylist != NULL);
  52     g_assert(action != NULL);
  53
  54     if (!(tree = tree_build(keylist)))
  55         return FALSE;
  56     if ((t = tree_find(tree, &conflict)) != NULL) {
  57         /* already bound to something */
  58         g_warning("keychain is already bound");
  59         tree_destroy(tree);
  60         return FALSE;
  61     }
  62     if (conflict) {
  63         g_warning("conflict with binding");
  64         tree_destroy(tree);
  65         return FALSE;
  66     }
  67
  68     /* grab the server here to make sure no key presses go missed */
  69     grab_server(TRUE);
  70     grab_keys(FALSE);
  71
  72     /* set the action */
  73     t = tree;
  74     while (t->first_child) t = t->first_child;
  75     t->action = action;
  76     /* assimilate this built tree into the main tree. assimilation
  77        destroys/uses the tree */
  78     tree_assimilate(tree);
  79
  80     grab_keys(TRUE);
  81     grab_server(FALSE);
  82
  83     return TRUE;
  84 }
  85
  86 static void press(ObEvent *e, void *foo)
  87 {
  88     if (e->data.x.e->xkey.keycode == reset_key &&
  89         e->data.x.e->xkey.state == reset_state) {
  90         reset_chains();
  91     } else {
  92         KeyBindingTree *p;
  93         if (curpos == NULL)
  94             p = firstnode;
  95         else
  96             p = curpos->first_child;
  97         while (p) {
  98             if (p->key == e->data.x.e->xkey.keycode &&
  99                 p->state == e->data.x.e->xkey.state) {
 100                 if (p->first_child != NULL) { /* part of a chain */
 101                     /* XXX TIMER */
 102                     if (!grabbed) {
 103                         grab_keyboard(TRUE);
 104                         grabbed = TRUE;
 105                         XAllowEvents(ob_display, AsyncKeyboard, CurrentTime);
 106                     }
 107                     curpos = p;
 108                 } else {
 109                     if (p->action->func != NULL) {
 110                         p->action->data.any.c = focus_client;
 111
 112                         g_assert(!(p->action->func == action_move ||
 113                                    p->action->func == action_resize));
 114
 115                         p->action->func(&p->action->data);
 116                     }
 117
 118                     reset_chains();
 119                 }
 120                 break;
 121             }
 122             p = p->next_sibling;
 123         }
 124     }
 125 }
 126
 127 void plugin_startup()
 128 {
 129     dispatch_register(Event_X_KeyPress, (EventHandler)press, NULL);
 130
 131     translate_key("C-g", &reset_state, &reset_key);
 132
 133     keysrc_parse();
 134 }
 135
 136 void plugin_shutdown()
 137 {
 138     dispatch_register(0, (EventHandler)press, NULL);
 139
 140     grab_keys(FALSE);
 141     tree_destroy(firstnode);
 142     firstnode = NULL;
 143     grab_keys(TRUE);
 144 }
 145