diff options
Diffstat (limited to 'gui/greeter/greeter_events.c')
| -rw-r--r-- | gui/greeter/greeter_events.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/gui/greeter/greeter_events.c b/gui/greeter/greeter_events.c deleted file mode 100644 index 34b96040..00000000 --- a/gui/greeter/greeter_events.c +++ /dev/null @@ -1,256 +0,0 @@ -/* GDM - The GNOME Display Manager - * Copyright (C) 1998, 1999, 2000 Martin K. Petersen <mkp@mkp.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "config.h" - -#include <gtk/gtk.h> -#include <string.h> -#include <stdlib.h> - -#include "greeter_item.h" -#include "greeter_parser.h" -#include "greeter_events.h" - -struct CallbackInfo { - ActionFunc func; - gpointer user_data; -}; - -static GHashTable *callback_hash = NULL; - -static void -state_run (GreeterItemInfo *info, - GreeterItemState old_state) -{ - if (info->state != old_state && - info->have_state & (1<<(info->state)) && - info->have_state != (1<<GREETER_ITEM_STATE_NORMAL) && - info->item != NULL) - { - if (GREETER_ITEM_TYPE_IS_PIXMAP (info) && - info->data.pixmap.pixbufs[info->state] != NULL) - gnome_canvas_item_set (info->item, - "pixbuf", info->data.pixmap.pixbufs[info->state], - NULL); - if ((GREETER_ITEM_TYPE_IS_TEXT (info) || - GREETER_ITEM_TYPE_IS_RECT (info)) && - info->data.rect.have_color & (1<<(info->state))) - gnome_canvas_item_set (info->item, - "fill_color_rgba", info->data.rect.colors[info->state], - NULL); - if (GREETER_ITEM_TYPE_IS_TEXT (info) && - info->data.text.fonts[info->state] != NULL) - gnome_canvas_item_set (info->item, - "font_desc", info->data.text.fonts[info->state], - NULL); - } -} - -static void propagate_state (GreeterItemInfo *info, - GreeterItemState old_state); - -static void -propagate_state_foreach (gpointer data, gpointer user_data) -{ - GreeterItemInfo *info = data; - GreeterItemState state = GPOINTER_TO_INT (user_data); - GreeterItemState old_state; - - old_state = info->state; - info->state = state; - - propagate_state (info, old_state); -} - -static void -propagate_state (GreeterItemInfo *info, - GreeterItemState old_state) -{ - state_run (info, old_state); - - g_list_foreach (info->fixed_children, propagate_state_foreach, - GINT_TO_POINTER ((int) info->state)); - g_list_foreach (info->box_children, propagate_state_foreach, - GINT_TO_POINTER ((int) info->state)); -} - -static void propagate_reset_state (GreeterItemInfo *info, - GreeterItemState old_state); - -static void -propagate_reset_state_foreach (gpointer data, gpointer user_data) -{ - GreeterItemInfo *info = data; - GreeterItemState old_state; - - old_state = info->state; - info->state = info->base_state; - - propagate_state (info, old_state); -} - -static void -propagate_reset_state (GreeterItemInfo *info, - GreeterItemState old_state) -{ - state_run (info, old_state); - - g_list_foreach (info->fixed_children, propagate_reset_state_foreach, NULL); - g_list_foreach (info->box_children, propagate_reset_state_foreach, NULL); -} - -void -greeter_item_run_action_callback (const char *id) -{ - struct CallbackInfo *cb_info; - GreeterItemInfo *info; - - g_return_if_fail (id != NULL); - - if G_UNLIKELY (callback_hash == NULL) - return; - - info = greeter_lookup_id (id); - cb_info = g_hash_table_lookup (callback_hash, id); - - /* - * If run_action_callback gets called and there is no - * callback function registered, don't try to call it. - * This can happen because the button_release event - * tries calling the callback function for any - * item that has an id (like the Username field). - */ - if (cb_info) - (*cb_info->func) (info, cb_info->user_data); -} - -gint -greeter_item_event_handler (GnomeCanvasItem *item, - GdkEvent *event, - gpointer data) -{ - GreeterItemState old_state; - GreeterItemInfo *info; - GreeterItemInfo *button; - - info = data; - button = info->my_button; - if (button != NULL && button != info) - { - /* FIXME: this is a hack, we have not really left the container, - * but the container gets a stupid leave event and - * we send it an enter event back, it does two event propagations - * one of them is pointless. */ - /* if this is a button, fake an event on the button */ - return greeter_item_event_handler (button->item, - event, - button); - } - - old_state = info->state; - - switch (event->type) { - case GDK_ENTER_NOTIFY: - info->mouse_over = TRUE; - break; - - case GDK_LEAVE_NOTIFY: - info->mouse_over = FALSE; - break; - - case GDK_BUTTON_PRESS: - info->mouse_down = TRUE; - break; - - case GDK_BUTTON_RELEASE: - info->mouse_down = FALSE; - - if (info->mouse_over && info->id && callback_hash) - greeter_item_run_action_callback (info->id); - - /* Make sure entry has focus if a type BUTTON has been pressed. */ - if (info->item_type == GREETER_ITEM_TYPE_BUTTON) { - GreeterItemInfo *entry_info = greeter_lookup_id ("user-pw-entry"); - GtkWidget *entry = GNOME_CANVAS_WIDGET (entry_info->item)->widget; - - if (entry_info && entry_info->item && - GNOME_IS_CANVAS_WIDGET (entry_info->item) && - GTK_IS_ENTRY (GNOME_CANVAS_WIDGET (entry_info->item)->widget)) - { - /* Make sure entry has focus after button press */ - gtk_widget_grab_focus (entry); - } - } - - break; - - default: - break; - } - - if (info->mouse_over) - { - if (info->mouse_down) - info->state = GREETER_ITEM_STATE_ACTIVE; - else - info->state = GREETER_ITEM_STATE_PRELIGHT; - } - else - info->state = GREETER_ITEM_STATE_NORMAL; - - info->base_state = info->state; - - if (info->state != old_state) - { - if (info->canvasbutton) - { - if (info->state == GREETER_ITEM_STATE_NORMAL) - propagate_reset_state (info, old_state); - else - propagate_state (info, old_state); - } - else - state_run (info, old_state); - } - - return FALSE; -} - -void -greeter_item_register_action_callback (char *id, - ActionFunc func, - gpointer user_data) -{ - struct CallbackInfo *info; - - if G_UNLIKELY (callback_hash == NULL) - callback_hash = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - g_free); - - info = g_new (struct CallbackInfo, 1); - - info->func = func; - info->user_data = user_data; - - g_hash_table_insert (callback_hash, - g_strdup (id), - info); -} - |