openbox/plugins/keyboard/keyboard.c
2003-03-26 15:02:08 +00:00

147 lines
3.5 KiB
C

#include "../../kernel/focus.h"
#include "../../kernel/dispatch.h"
#include "../../kernel/openbox.h"
#include "../../kernel/event.h"
#include "../../kernel/grab.h"
#include "../../kernel/action.h"
#include "tree.h"
#include "keyboard.h"
#include "keysrc.h"
#include "translate.h"
#include <glib.h>
void plugin_setup_config()
{
}
KeyBindingTree *firstnode;
static KeyBindingTree *curpos;
static guint reset_key, reset_state;
static gboolean grabbed;
static void grab_keys(gboolean grab)
{
if (!grab) {
ungrab_all_keys();
} else {
KeyBindingTree *p = firstnode;
while (p) {
grab_key(p->key, p->state, GrabModeSync);
p = p->next_sibling;
}
}
}
static void reset_chains()
{
/* XXX kill timer */
curpos = NULL;
if (grabbed) {
grabbed = FALSE;
grab_keyboard(FALSE);
} else
XAllowEvents(ob_display, AsyncKeyboard, event_lasttime);
}
gboolean kbind(GList *keylist, Action *action)
{
KeyBindingTree *tree, *t;
gboolean conflict;
g_assert(keylist != NULL);
g_assert(action != NULL);
if (!(tree = tree_build(keylist)))
return FALSE;
if ((t = tree_find(tree, &conflict)) != NULL) {
/* already bound to something */
g_warning("keychain is already bound");
tree_destroy(tree);
return FALSE;
}
if (conflict) {
g_warning("conflict with binding");
tree_destroy(tree);
return FALSE;
}
/* grab the server here to make sure no key presses go missed */
grab_server(TRUE);
grab_keys(FALSE);
/* set the action */
t = tree;
while (t->first_child) t = t->first_child;
t->action = action;
/* assimilate this built tree into the main tree. assimilation
destroys/uses the tree */
tree_assimilate(tree);
grab_keys(TRUE);
grab_server(FALSE);
return TRUE;
}
static void press(ObEvent *e, void *foo)
{
if (e->data.x.e->xkey.keycode == reset_key &&
e->data.x.e->xkey.state == reset_state) {
reset_chains();
} else {
KeyBindingTree *p;
if (curpos == NULL)
p = firstnode;
else
p = curpos->first_child;
while (p) {
if (p->key == e->data.x.e->xkey.keycode &&
p->state == e->data.x.e->xkey.state) {
if (p->first_child != NULL) { /* part of a chain */
/* XXX TIMER */
if (!grabbed) {
grab_keyboard(TRUE);
grabbed = TRUE;
XAllowEvents(ob_display, AsyncKeyboard,
event_lasttime);
}
curpos = p;
} else {
if (p->action->func != NULL) {
p->action->data.any.c = focus_client;
g_assert(!(p->action->func == action_move ||
p->action->func == action_resize));
p->action->func(&p->action->data);
}
reset_chains();
}
break;
}
p = p->next_sibling;
}
}
}
void plugin_startup()
{
dispatch_register(Event_X_KeyPress, (EventHandler)press, NULL);
translate_key("C-g", &reset_state, &reset_key);
keysrc_parse();
}
void plugin_shutdown()
{
dispatch_register(0, (EventHandler)press, NULL);
grab_keys(FALSE);
tree_destroy(firstnode);
firstnode = NULL;
grab_keys(TRUE);
}