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         g_warning("invalid binding");
  54         return FALSE;
  55     }
  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                     }
 106                     curpos = p;
 107                 } else {
 108                     if (p->action->func != NULL) {
 109                         p->action->data.any.c = focus_client;
 110
 111                         g_assert(!(p->action->func == action_move ||
 112                                    p->action->func == action_resize));
 113
 114                         p->action->func(&p->action->data);
 115                     }
 116
 117                     reset_chains();
 118                 }
 119                 break;
 120             }
 121             p = p->next_sibling;
 122         }
 123     }
 124     XAllowEvents(ob_display, AsyncKeyboard, e->data.x.e->xkey.time);
 125 }
 126
 127 void plugin_startup()
 128 {
 129     dispatch_register(Event_X_KeyPress, (EventHandler)press, NULL);
 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