diff options
Diffstat (limited to 'cut-n-paste/recent-files/egg-recent-view-gtk.c')
| -rw-r--r-- | cut-n-paste/recent-files/egg-recent-view-gtk.c | 817 |
1 files changed, 817 insertions, 0 deletions
diff --git a/cut-n-paste/recent-files/egg-recent-view-gtk.c b/cut-n-paste/recent-files/egg-recent-view-gtk.c new file mode 100644 index 0000000..34805b2 --- /dev/null +++ b/cut-n-paste/recent-files/egg-recent-view-gtk.c @@ -0,0 +1,817 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/** + * 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. + * + * Authors: + * James Willcox <jwillcox@cs.indiana.edu> + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <gtk/gtk.h> +#include <libgnomevfs/gnome-vfs.h> +#ifndef USE_STABLE_LIBGNOMEUI +#include <libgnomeui/gnome-icon-theme.h> +#endif +#include <gconf/gconf-client.h> +#include "egg-recent-model.h" +#include "egg-recent-view.h" +#include "egg-recent-view-gtk.h" +#include "egg-recent-util.h" +#include "egg-recent-item.h" + +struct _EggRecentViewGtk { + GObject parent_instance; /* We emit signals */ + + GtkWidget *menu; + GtkWidget *start_menu_item; + + gboolean leading_sep; + gboolean trailing_sep; + + gulong changed_cb_id; + + gchar *uid; + + gboolean show_icons; + gboolean show_numbers; +#ifndef USE_STABLE_LIBGNOMEUI + GnomeIconTheme *theme; +#endif + + GtkTooltips *tooltips; + EggRecentViewGtkTooltipFunc tooltip_func; + gpointer tooltip_func_data; + + EggRecentModel *model; + GConfClient *client; + GtkIconSize icon_size; +}; + + + +struct _EggRecentViewGtkMenuData { + EggRecentViewGtk *view; + EggRecentItem *item; +}; + +typedef struct _EggRecentViewGtkMenuData EggRecentViewGtkMenuData; + +enum { + ACTIVATE, + LAST_SIGNAL +}; + +/* GObject properties */ +enum { + PROP_BOGUS, + PROP_MENU, + PROP_START_MENU_ITEM, + PROP_SHOW_ICONS, + PROP_SHOW_NUMBERS +}; + +static guint view_signals[LAST_SIGNAL] = { 0 }; + + +static void +egg_recent_view_gtk_clear (EggRecentViewGtk *view) +{ + GList *menu_children; + GList *p; + GObject *menu_item; + gint *menu_data=NULL; + + g_return_if_fail (view->menu != NULL); + + menu_children = gtk_container_get_children (GTK_CONTAINER (view->menu)); + + p = menu_children; + while (p != NULL) { + menu_item = (GObject *)p->data; + + menu_data = (gint *)g_object_get_data (menu_item, + view->uid); + + if (menu_data) { + gtk_container_remove (GTK_CONTAINER (view->menu), + GTK_WIDGET (menu_item)); + + } + + p = p->next; + } +} + + +static gint +egg_recent_view_gtk_find_menu_offset (EggRecentViewGtk *view) +{ + gint i; + GList *menu_children; + GList *p; + GtkWidget *menu_item; + gint menu_loc=-1; + + g_return_val_if_fail (view, 0); + + menu_children = GTK_MENU_SHELL (view->menu)->children; + + i = 0; + p = menu_children; + while (p != NULL) { + menu_item = (GtkWidget *)p->data; + + if (menu_item == view->start_menu_item) { + menu_loc = i; + break; + } + + p = p->next; + i++; + } + + return menu_loc; +} + +static void +egg_recent_view_gtk_menu_cb (GtkWidget *menu, gpointer data) +{ + EggRecentViewGtkMenuData *md = (EggRecentViewGtkMenuData *) data; + EggRecentItem *item; + + g_return_if_fail (md); + g_return_if_fail (md->item); + g_return_if_fail (md->view); + g_return_if_fail (EGG_IS_RECENT_VIEW_GTK (md->view)); + + item = md->item; + + egg_recent_item_ref (item); + + g_signal_emit (G_OBJECT(md->view), view_signals[ACTIVATE], 0, + item); + + egg_recent_item_unref (item); +} + +static void +egg_recent_view_gtk_destroy_cb (gpointer data, GClosure *closure) +{ + EggRecentViewGtkMenuData *md = data; + + egg_recent_item_unref (md->item); + g_free (md); +} + +static GtkWidget * +egg_recent_view_gtk_new_separator (EggRecentViewGtk *view) +{ + GtkWidget *retval; + + g_return_val_if_fail (view, NULL); + + retval = gtk_separator_menu_item_new (); + + /** + * this is a tag so we can distinguish our menu items + * from others that may be in the menu. + */ + g_object_set_data (G_OBJECT (retval), + view->uid, + GINT_TO_POINTER (1)); + + + gtk_widget_show (retval); + + return retval; +} + +static GtkWidget * +egg_recent_view_gtk_new_menu_item (EggRecentViewGtk *view, + EggRecentItem *item, + gint index) +{ + GtkWidget *menu_item; + EggRecentViewGtkMenuData *md; + gchar *mime_type; + GtkWidget *image; + GdkPixbuf *pixbuf; + gchar *text; + gchar *short_name; + gchar *escaped; + + g_return_val_if_fail (view, NULL); + g_return_val_if_fail (item, NULL); + + short_name = egg_recent_item_get_short_name (item); + if (!short_name) + return NULL; + + escaped = egg_recent_util_escape_underlines (short_name); + g_free (short_name); + + if (view->show_numbers) { + /* avoid having conflicting mnemonics */ + if (index >= 10) + text = g_strdup_printf ("%d. %s", index, + escaped); + else + text = g_strdup_printf ("_%d. %s", index, + escaped); + g_free (escaped); + } else { + text = escaped; + } + + mime_type = egg_recent_item_get_mime_type (item); +#ifndef USE_STABLE_LIBGNOMEUI + { + int width, height; + gchar *uri; + + gtk_icon_size_lookup_for_settings + (gtk_widget_get_settings (view->menu), + view->icon_size, + &width, &height); + + uri = egg_recent_item_get_uri (item); + pixbuf = egg_recent_util_get_icon (view->theme, uri, + mime_type, + height); + g_free (uri); + } +#else + pixbuf = NULL; +#endif + image = gtk_image_new_from_pixbuf (pixbuf); + if (pixbuf) + g_object_unref (pixbuf); + + if (view->show_icons) + gtk_widget_show (image); + + menu_item = gtk_image_menu_item_new_with_mnemonic (text); + gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item), + image); + + md = g_new0 (EggRecentViewGtkMenuData, 1); + md->view = view; + md->item = egg_recent_item_ref (item); + + g_signal_connect_data (G_OBJECT (menu_item), "activate", + G_CALLBACK (egg_recent_view_gtk_menu_cb), + md, + (GClosureNotify)egg_recent_view_gtk_destroy_cb, + 0); + + g_free (mime_type); + g_free (text); + + /** + * this is a tag so we can distinguish our menu items + * from others that may be in the menu. + */ + g_object_set_data (G_OBJECT (menu_item), + view->uid, + GINT_TO_POINTER (1)); + + + gtk_widget_show (menu_item); + + return menu_item; +} + +static void +egg_recent_view_gtk_add_to_menu (EggRecentViewGtk *view, + EggRecentItem *item, + gint display, + gint index) +{ + GtkWidget *menu_item; + gint menu_offset; + + g_return_if_fail (view); + g_return_if_fail (view->menu); + + menu_offset = egg_recent_view_gtk_find_menu_offset (view); + + if (item != NULL) + menu_item = egg_recent_view_gtk_new_menu_item (view, item, display); + else + menu_item = egg_recent_view_gtk_new_separator (view); + + if (view->tooltip_func != NULL && menu_item != NULL) { + view->tooltip_func (view->tooltips, menu_item, + item, view->tooltip_func_data); + } + + if (menu_item) + gtk_menu_shell_insert (GTK_MENU_SHELL (view->menu), menu_item, + menu_offset+index); +} + +static void +egg_recent_view_gtk_set_list (EggRecentViewGtk *view, GList *list) +{ + EggRecentItem *item; + GList *p; + gint display=1; + gint index=1; + + g_return_if_fail (view); + + egg_recent_view_gtk_clear (view); + + if (view->leading_sep) { + egg_recent_view_gtk_add_to_menu (view, NULL, display, index); + index++; + } + + p = list; + while (p != NULL) { + item = (EggRecentItem *)p->data; + + egg_recent_view_gtk_add_to_menu (view, item, display, index); + + p = p->next; + display++; + index++; + } + + if (view->trailing_sep) + egg_recent_view_gtk_add_to_menu (view, NULL, display, index); +} + +static void +model_changed_cb (EggRecentModel *model, GList *list, EggRecentViewGtk *view) +{ + if (list != NULL) + egg_recent_view_gtk_set_list (view, list); + else + egg_recent_view_gtk_clear (view); +} + +static EggRecentModel * +egg_recent_view_gtk_get_model (EggRecentView *view_parent) +{ + EggRecentViewGtk *view; + + g_return_val_if_fail (view_parent != NULL, NULL); + view = EGG_RECENT_VIEW_GTK (view_parent); + return view->model; +} + +static void +egg_recent_view_gtk_set_model (EggRecentView *view_parent, + EggRecentModel *model) +{ + EggRecentViewGtk *view; + + g_return_if_fail (view_parent != NULL); + view = EGG_RECENT_VIEW_GTK (view_parent); + + if (view->model != NULL) { + g_object_unref (view->model); + g_signal_handler_disconnect (G_OBJECT (model), + view->changed_cb_id); + } + + view->model = model; + g_object_ref (view->model); + + view->changed_cb_id = g_signal_connect_object (G_OBJECT (model), + "changed", + G_CALLBACK (model_changed_cb), + view, 0); + + egg_recent_model_changed (view->model); +} + +void +egg_recent_view_gtk_set_leading_sep (EggRecentViewGtk *view, gboolean val) +{ + view->leading_sep = val; + + egg_recent_view_gtk_clear (view); + + if (view->model) + egg_recent_model_changed (view->model); +} + +void +egg_recent_view_gtk_set_trailing_sep (EggRecentViewGtk *view, gboolean val) +{ + view->trailing_sep = val; + + egg_recent_view_gtk_clear (view); + + if (view->model) + egg_recent_model_changed (view->model); +} + +static void +egg_recent_view_gtk_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EggRecentViewGtk *view = EGG_RECENT_VIEW_GTK (object); + + switch (prop_id) + { + case PROP_MENU: + egg_recent_view_gtk_set_menu (view, + GTK_WIDGET (g_value_get_object (value))); + break; + case PROP_START_MENU_ITEM: + egg_recent_view_gtk_set_start_menu_item (view, + g_value_get_object (value)); + break; + case PROP_SHOW_ICONS: + egg_recent_view_gtk_show_icons (view, + g_value_get_boolean (value)); + break; + case PROP_SHOW_NUMBERS: + egg_recent_view_gtk_show_numbers (view, + g_value_get_boolean (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +egg_recent_view_gtk_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + EggRecentViewGtk *view = EGG_RECENT_VIEW_GTK (object); + + switch (prop_id) + { + case PROP_MENU: + g_value_set_object (value, view->menu); + break; + case PROP_START_MENU_ITEM: + g_value_set_object (value, view->start_menu_item); + break; + case PROP_SHOW_ICONS: + g_value_set_boolean (value, view->show_icons); + break; + case PROP_SHOW_NUMBERS: + g_value_set_boolean (value, view->show_numbers); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +egg_recent_view_gtk_finalize (GObject *object) +{ + EggRecentViewGtk *view = EGG_RECENT_VIEW_GTK (object); + + g_signal_handler_disconnect (G_OBJECT (view->model), + view->changed_cb_id); + + g_free (view->uid); + + g_object_unref (view->menu); + g_object_unref (view->model); +#ifndef USE_STABLE_LIBGNOMEUI + g_object_unref (view->theme); +#endif + g_object_unref (view->client); + + g_object_unref (view->tooltips); +} + +static void +egg_recent_view_gtk_class_init (EggRecentViewGtkClass * klass) +{ + GObjectClass *object_class; + + object_class = G_OBJECT_CLASS (klass); + + object_class->set_property = egg_recent_view_gtk_set_property; + object_class->get_property = egg_recent_view_gtk_get_property; + object_class->finalize = egg_recent_view_gtk_finalize; + + view_signals[ACTIVATE] = g_signal_new ("activate", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EggRecentViewGtkClass, activate), + NULL, NULL, + g_cclosure_marshal_VOID__BOXED, + G_TYPE_NONE, 1, + EGG_TYPE_RECENT_ITEM); + + g_object_class_install_property (object_class, + PROP_MENU, + g_param_spec_object ("menu", + "Menu", + "The GtkMenuShell this object will update.", + gtk_menu_get_type(), + G_PARAM_READWRITE)); + g_object_class_install_property (object_class, + PROP_START_MENU_ITEM, + g_param_spec_object ("start-menu-item", + "Start Menu Item", + "The menu item that precedes where are menu items will go", + gtk_menu_item_get_type (), + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_SHOW_ICONS, + g_param_spec_boolean ("show-icons", + "Show Icons", + "Whether or not to show icons", + FALSE, + G_PARAM_READWRITE)); + + g_object_class_install_property (object_class, + PROP_SHOW_NUMBERS, + g_param_spec_boolean ("show-numbers", + "Show Numbers", + "Whether or not to show numbers", + TRUE, + G_PARAM_READWRITE)); + + klass->activate = NULL; +} + +static void +egg_recent_view_init (EggRecentViewClass *iface) +{ + iface->do_get_model = egg_recent_view_gtk_get_model; + iface->do_set_model = egg_recent_view_gtk_set_model; +} + +static void +show_menus_changed_cb (GConfClient *client, + guint cnxn_id, + GConfEntry *entry, + EggRecentViewGtk *view) +{ + GConfValue *value; + + value = gconf_entry_get_value (entry); + + g_return_if_fail (value->type == GCONF_VALUE_BOOL); + + egg_recent_view_gtk_show_icons (view, + gconf_value_get_bool (value)); + +} + +#ifndef USE_STABLE_LIBGNOMEUI +static void +theme_changed_cb (GnomeIconTheme *theme, EggRecentViewGtk *view) +{ + if (view->model != NULL) + egg_recent_model_changed (view->model); +} +#endif + +static void +egg_recent_view_gtk_init (EggRecentViewGtk * view) +{ + view->client = gconf_client_get_default (); + + view->show_icons = + gconf_client_get_bool (view->client, + "/desktop/gnome/interface/menus_have_icons", + NULL); + + gconf_client_add_dir (view->client, "/desktop/gnome/interface", + GCONF_CLIENT_PRELOAD_NONE, + NULL); + gconf_client_notify_add (view->client, + "/desktop/gnome/interface/menus_have_icons", + (GConfClientNotifyFunc)show_menus_changed_cb, + view, NULL, NULL); + + + view->leading_sep = FALSE; + view->trailing_sep = FALSE; + + view->uid = egg_recent_util_get_unique_id (); +#ifndef USE_STABLE_LIBGNOMEUI + view->theme = gnome_icon_theme_new (); + gnome_icon_theme_set_allow_svg (view->theme, TRUE); + g_signal_connect_object (view->theme, "changed", + G_CALLBACK (theme_changed_cb), view, 0); +#endif + view->tooltips = gtk_tooltips_new (); + g_object_ref (view->tooltips); + gtk_object_sink (GTK_OBJECT (view->tooltips)); + view->tooltip_func = NULL; + view->tooltip_func_data = NULL; + + view->icon_size = GTK_ICON_SIZE_MENU; +} + +void +egg_recent_view_gtk_set_icon_size (EggRecentViewGtk *view, + GtkIconSize icon_size) +{ + if (view->icon_size != icon_size) { + view->icon_size = icon_size; + egg_recent_model_changed (view->model); + } else { + view->icon_size = icon_size; + } +} + +GtkIconSize +egg_recent_view_gtk_get_icon_size (EggRecentViewGtk *view) +{ + return view->icon_size; +} + +void +egg_recent_view_gtk_show_icons (EggRecentViewGtk *view, gboolean show) +{ + view->show_icons = show; + + if (view->model) + egg_recent_model_changed (view->model); +} + +void +egg_recent_view_gtk_show_numbers (EggRecentViewGtk *view, gboolean show) +{ + view->show_numbers = show; + + if (view->model) + egg_recent_model_changed (view->model); +} + +void +egg_recent_view_gtk_set_tooltip_func (EggRecentViewGtk *view, + EggRecentViewGtkTooltipFunc func, + gpointer user_data) +{ + view->tooltip_func = func; + view->tooltip_func_data = user_data; + + if (view->model) + egg_recent_model_changed (view->model); +} + +/** + * egg_recent_view_gtk_set_menu: + * @view: A EggRecentViewGtk object. + * @menu: The GtkMenuShell to put the menu items in. + * + * Use this function to change the GtkMenuShell that the recent + * documents appear in. + * + */ +void +egg_recent_view_gtk_set_menu (EggRecentViewGtk *view, + GtkWidget *menu) +{ + g_return_if_fail (view); + g_return_if_fail (EGG_IS_RECENT_VIEW_GTK (view)); + g_return_if_fail (menu); + + if (view->menu != NULL) + g_object_unref (view->menu); + + view->menu = menu; + g_object_ref (view->menu); +} + +/** + * egg_recent_view_gtk_set_start_menu_item: + * @view: A EggRecentViewGtk object. + * @start_menu_item: The menu item that appears just before where our menu + * items should appear + * + */ +void +egg_recent_view_gtk_set_start_menu_item (EggRecentViewGtk *view, + GtkWidget *menu_item) +{ + g_return_if_fail (view); + g_return_if_fail (EGG_IS_RECENT_VIEW_GTK (view)); + + view->start_menu_item = menu_item; +} + +/** + * egg_recent_view_gtk_get_menu: + * @view: A EggRecentViewGtk object. + * + */ +GtkWidget * +egg_recent_view_gtk_get_menu (EggRecentViewGtk *view) +{ + return view->menu; +} + +/** + * egg_recent_view_gtk_get_start_menu_item + * @view: A EggRecentViewGtk object. + * + */ +GtkWidget * +egg_recent_view_gtk_get_start_menu_item (EggRecentViewGtk *view) +{ + return view->start_menu_item; +} + + +/** + * egg_recent_view_gtk_new: + * @appname: The name of your application. + * @limit: The maximum number of items allowed. + * + * This creates a new EggRecentViewGtk object. + * + * Returns: a EggRecentViewGtk object + */ +EggRecentViewGtk * +egg_recent_view_gtk_new (GtkWidget *menu, GtkWidget *start_menu_item) +{ + EggRecentViewGtk *view; + + g_return_val_if_fail (menu, NULL); + + view = EGG_RECENT_VIEW_GTK (g_object_new (egg_recent_view_gtk_get_type (), + "start-menu-item", + start_menu_item, + "menu", menu, + "show-numbers", TRUE, NULL)); + + g_return_val_if_fail (view, NULL); + + return view; +} + +/** + * egg_recent_view_gtk_get_type: + * @: + * + * This returns a GType representing a EggRecentViewGtk object. + * + * Returns: a GType + */ +GType +egg_recent_view_gtk_get_type (void) +{ + static GType egg_recent_view_gtk_type = 0; + + if(!egg_recent_view_gtk_type) { + static const GTypeInfo egg_recent_view_gtk_info = { + sizeof (EggRecentViewGtkClass), + NULL, /* base init */ + NULL, /* base finalize */ + (GClassInitFunc)egg_recent_view_gtk_class_init, /* class init */ + NULL, /* class finalize */ + NULL, /* class data */ + sizeof (EggRecentViewGtk), + 0, + (GInstanceInitFunc) egg_recent_view_gtk_init + }; + + static const GInterfaceInfo view_info = + { + (GInterfaceInitFunc) egg_recent_view_init, + NULL, + NULL + }; + + egg_recent_view_gtk_type = g_type_register_static (G_TYPE_OBJECT, + "EggRecentViewGtk", + &egg_recent_view_gtk_info, 0); + g_type_add_interface_static (egg_recent_view_gtk_type, + EGG_TYPE_RECENT_VIEW, + &view_info); + } + + return egg_recent_view_gtk_type; +} + |