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 <glib.h>
   9
  10 void plugin_setup_config()
  11 {
  12 }
  13
  14 KeyBindingTree *firstnode;
  15
  16 static KeyBindingTree *curpos;
  17 static guint reset_key, reset_state;
  18 static gboolean grabbed;
  19
  20 static void grab_keys(gboolean grab)
  21 {
  22     if (!grab) {
  23         ungrab_all_keys();
  24     } else {
  25         KeyBindingTree *p = firstnode;
  26         while (p) {
  27             grab_key(p->key, p->state, GrabModeSync);
  28             p = p->next_sibling;
  29         }
  30     }
  31 }
  32
  33 static void reset_chains()
  34 {
  35     /* XXX kill timer */
  36     curpos = NULL;
  37     if (grabbed) {
  38         grabbed = FALSE;
  39         grab_keyboard(FALSE);
  40     }
  41 }
  42
  43 static gboolean kbind(GList *keylist, Action *action)
  44 {
  45     KeyBindingTree *tree, *t;
  46     gboolean conflict;
  47
  48     g_assert(keylist != NULL);
  49     g_assert(action != NULL);
  50
  51     if (!(tree = tree_build(keylist))) {
  52         g_warning("invalid binding");
  53         return FALSE;
  54     }
  55     if ((t = tree_find(tree, &conflict)) != NULL) {
  56         /* already bound to something */
  57         g_warning("keychain is already bound");
  58         tree_destroy(tree);
  59         return FALSE;
  60     }
  61     if (conflict) {
  62         g_warning("conflict with binding");
  63         tree_destroy(tree);
  64         return FALSE;
  65     }
  66
  67     /* grab the server here to make sure no key presses go missed */
  68     grab_server(TRUE);
  69     grab_keys(FALSE);
  70
  71     /* set the action */
  72     t = tree;
  73     while (t->first_child) t = t->first_child;
  74     t->action = action;
  75     /* assimilate this built tree into the main tree. assimilation
  76        destroys/uses the tree */
  77     tree_assimilate(tree);
  78
  79     grab_keys(TRUE);
  80     grab_server(FALSE);
  81
  82     return TRUE;
  83 }
  84
  85 static void press(ObEvent *e, void *foo)
  86 {
  87     if (e->data.x.e->xkey.keycode == reset_key &&
  88         e->data.x.e->xkey.state == reset_state) {
  89         reset_chains();
  90     } else {
  91         KeyBindingTree *p;
  92         if (curpos == NULL)
  93             p = firstnode;
  94         else
  95             p = curpos->first_child;
  96         while (p) {
  97             if (p->key == e->data.x.e->xkey.keycode &&
  98                 p->state == e->data.x.e->xkey.state) {
  99                 if (p->first_child != NULL) { /* part of a chain */
 100                     /* XXX TIMER */
 101                     if (!grabbed) {
 102                         grab_keyboard(TRUE);
 103                         grabbed = TRUE;
 104                     }
 105                     curpos = p;
 106                 } else {
 107                     if (p->action->func != NULL) {
 108                         p->action->data.any.c = focus_client;
 109
 110                         g_assert(!(p->action->func == action_move ||
 111                                    p->action->func == action_resize));
 112
 113                         p->action->func(&p->action->data);
 114                     }
 115
 116                     reset_chains();
 117                 }
 118                 break;
 119             }
 120             p = p->next_sibling;
 121         }
 122     }
 123     XAllowEvents(ob_display, AsyncKeyboard, e->data.x.e->xkey.time);
 124 }
 125
 126 static void binddef()
 127 {
 128     GList *list = g_list_append(NULL, NULL);
 129     Action *a;
 130
 131     /* When creating an Action struct, all of the data elements in the
 132        appropriate struct need to be set, except the Client*, which will be set
 133        at call-time when then action function is used.
 134     */
 135
 136     list->data = "A-Right";
 137     a = action_new(action_next_desktop);
 138     a->data.nextprevdesktop.wrap = TRUE;
 139     kbind(list, a);
 140
 141     list->data = "A-Left";
 142     a = action_new(action_previous_desktop);
 143     a->data.nextprevdesktop.wrap = TRUE;
 144     kbind(list, a);
 145
 146     list->data = "A-1";
 147     a = action_new(action_desktop);
 148     a->data.desktop.desk = 0;
 149     kbind(list, a);
 150
 151     list->data = "A-2";
 152     a = action_new(action_desktop);
 153     a->data.desktop.desk = 1;
 154     kbind(list, a);
 155
 156     list->data = "A-3";
 157     a = action_new(action_desktop);
 158     a->data.desktop.desk = 2;
 159     kbind(list, a);
 160
 161     list->data = "A-4";
 162     a = action_new(action_desktop);
 163     a->data.desktop.desk = 3;
 164     kbind(list, a);
 165
 166     list->data = "A-space";
 167     a = action_new(action_execute);
 168     a->data.execute.path = g_strdup("xterm");
 169     kbind(list, a);
 170
 171     list->data = "C-A-Escape";
 172     a = action_new(action_execute);
 173     a->data.execute.path = g_strdup("xlock -nolock -mode puzzle");
 174     kbind(list, a);
 175 }
 176
 177 void plugin_startup()
 178 {
 179     dispatch_register(Event_X_KeyPress, (EventHandler)press, NULL);
 180
 181     /* XXX parse config file! */
 182     binddef();
 183 }
 184
 185 void plugin_shutdown()
 186 {
 187     dispatch_register(0, (EventHandler)press, NULL);
 188
 189     grab_keys(FALSE);
 190     tree_destroy(firstnode);
 191     firstnode = NULL;
 192     grab_keys(TRUE);
 193 }
 194