diff options
Diffstat (limited to 'src/eom-sidebar.c')
| -rw-r--r-- | src/eom-sidebar.c | 594 |
1 files changed, 594 insertions, 0 deletions
diff --git a/src/eom-sidebar.c b/src/eom-sidebar.c new file mode 100644 index 0000000..c536189 --- /dev/null +++ b/src/eom-sidebar.c @@ -0,0 +1,594 @@ +/* Eye of Mate - Side bar + * + * Copyright (C) 2004 Red Hat, Inc. + * Copyright (C) 2007 The Free Software Foundation + * + * Author: Lucas Rocha <[email protected]> + * + * Based on evince code (shell/ev-sidebar.c) by: + * - Jonathan Blandford <[email protected]> + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> +#include <gtk/gtk.h> +#include <gdk/gdkkeysyms.h> + +#include "eom-sidebar.h" + +enum { + PROP_0, + PROP_CURRENT_PAGE +}; + +enum { + PAGE_COLUMN_TITLE, + PAGE_COLUMN_MENU_ITEM, + PAGE_COLUMN_MAIN_WIDGET, + PAGE_COLUMN_NOTEBOOK_INDEX, + PAGE_COLUMN_NUM_COLS +}; + +enum { + SIGNAL_PAGE_ADDED, + SIGNAL_PAGE_REMOVED, + SIGNAL_LAST +}; + +static gint signals[SIGNAL_LAST]; + +struct _EomSidebarPrivate { + GtkWidget *notebook; + GtkWidget *select_button; + GtkWidget *menu; + GtkWidget *hbox; + GtkWidget *label; + + GtkTreeModel *page_model; +}; + +G_DEFINE_TYPE (EomSidebar, eom_sidebar, GTK_TYPE_VBOX) + +#define EOM_SIDEBAR_GET_PRIVATE(object) \ + (G_TYPE_INSTANCE_GET_PRIVATE ((object), EOM_TYPE_SIDEBAR, EomSidebarPrivate)) + +static void +eom_sidebar_destroy (GtkObject *object) +{ + EomSidebar *eom_sidebar = EOM_SIDEBAR (object); + + if (eom_sidebar->priv->menu) { + gtk_menu_detach (GTK_MENU (eom_sidebar->priv->menu)); + eom_sidebar->priv->menu = NULL; + } + + if (eom_sidebar->priv->page_model) { + g_object_unref (eom_sidebar->priv->page_model); + eom_sidebar->priv->page_model = NULL; + } + + (* GTK_OBJECT_CLASS (eom_sidebar_parent_class)->destroy) (object); +} + +static void +eom_sidebar_select_page (EomSidebar *eom_sidebar, GtkTreeIter *iter) +{ + gchar *title; + gint index; + + gtk_tree_model_get (eom_sidebar->priv->page_model, iter, + PAGE_COLUMN_TITLE, &title, + PAGE_COLUMN_NOTEBOOK_INDEX, &index, + -1); + + gtk_notebook_set_current_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook), index); + gtk_label_set_text (GTK_LABEL (eom_sidebar->priv->label), title); + + g_free (title); +} + +void +eom_sidebar_set_page (EomSidebar *eom_sidebar, + GtkWidget *main_widget) +{ + GtkTreeIter iter; + gboolean valid; + + valid = gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter); + + while (valid) { + GtkWidget *widget; + + gtk_tree_model_get (eom_sidebar->priv->page_model, &iter, + PAGE_COLUMN_MAIN_WIDGET, &widget, + -1); + + if (widget == main_widget) { + eom_sidebar_select_page (eom_sidebar, &iter); + valid = FALSE; + } else { + valid = gtk_tree_model_iter_next (eom_sidebar->priv->page_model, &iter); + } + + g_object_unref (widget); + } + + g_object_notify (G_OBJECT (eom_sidebar), "current-page"); +} + +static GtkWidget * +eom_sidebar_get_current_page (EomSidebar *sidebar) +{ + GtkNotebook *notebook = GTK_NOTEBOOK (sidebar->priv->notebook); + + return gtk_notebook_get_nth_page + (notebook, gtk_notebook_get_current_page (notebook)); +} + +static void +eom_sidebar_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EomSidebar *sidebar = EOM_SIDEBAR (object); + + switch (prop_id) { + case PROP_CURRENT_PAGE: + eom_sidebar_set_page (sidebar, g_value_get_object (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +eom_sidebar_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + EomSidebar *sidebar = EOM_SIDEBAR (object); + + switch (prop_id) { + case PROP_CURRENT_PAGE: + g_value_set_object (value, eom_sidebar_get_current_page (sidebar)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static void +eom_sidebar_class_init (EomSidebarClass *eom_sidebar_class) +{ + GObjectClass *g_object_class; + GtkWidgetClass *widget_class; + GtkObjectClass *gtk_object_klass; + + g_object_class = G_OBJECT_CLASS (eom_sidebar_class); + widget_class = GTK_WIDGET_CLASS (eom_sidebar_class); + gtk_object_klass = GTK_OBJECT_CLASS (eom_sidebar_class); + + g_type_class_add_private (g_object_class, sizeof (EomSidebarPrivate)); + + gtk_object_klass->destroy = eom_sidebar_destroy; + g_object_class->get_property = eom_sidebar_get_property; + g_object_class->set_property = eom_sidebar_set_property; + + g_object_class_install_property (g_object_class, + PROP_CURRENT_PAGE, + g_param_spec_object ("current-page", + "Current page", + "The currently visible page", + GTK_TYPE_WIDGET, + G_PARAM_READWRITE)); + + signals[SIGNAL_PAGE_ADDED] = + g_signal_new ("page-added", + EOM_TYPE_SIDEBAR, + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (EomSidebarClass, page_added), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, + 1, + GTK_TYPE_WIDGET); + + signals[SIGNAL_PAGE_REMOVED] = + g_signal_new ("page-removed", + EOM_TYPE_SIDEBAR, + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (EomSidebarClass, page_removed), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, + 1, + GTK_TYPE_WIDGET); +} + +static void +eom_sidebar_menu_position_under (GtkMenu *menu, + gint *x, + gint *y, + gboolean *push_in, + gpointer user_data) +{ + GtkWidget *widget; + GtkAllocation allocation; + + g_return_if_fail (GTK_IS_BUTTON (user_data)); + g_return_if_fail (!gtk_widget_get_has_window (user_data)); + + widget = GTK_WIDGET (user_data); + gtk_widget_get_allocation (widget, &allocation); + + gdk_window_get_origin (gtk_widget_get_window (widget), x, y); + + *x += allocation.x; + *y += allocation.y + allocation.height; + + *push_in = FALSE; +} + +static gboolean +eom_sidebar_select_button_press_cb (GtkWidget *widget, + GdkEventButton *event, + gpointer user_data) +{ + EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data); + + if (event->button == 1) { + GtkRequisition requisition; + GtkAllocation allocation; + + gtk_widget_get_allocation (widget, &allocation); + + gtk_widget_set_size_request (eom_sidebar->priv->menu, -1, -1); + gtk_widget_size_request (eom_sidebar->priv->menu, &requisition); + gtk_widget_set_size_request (eom_sidebar->priv->menu, + MAX (allocation.width, + requisition.width), -1); + + gtk_widget_grab_focus (widget); + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE); + + gtk_menu_popup (GTK_MENU (eom_sidebar->priv->menu), + NULL, NULL, eom_sidebar_menu_position_under, widget, + event->button, event->time); + + return TRUE; + } + + return FALSE; +} + +static gboolean +eom_sidebar_select_button_key_press_cb (GtkWidget *widget, + GdkEventKey *event, + gpointer user_data) +{ + EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data); + + if (event->keyval == GDK_space || + event->keyval == GDK_KP_Space || + event->keyval == GDK_Return || + event->keyval == GDK_KP_Enter) { + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE); + + gtk_menu_popup (GTK_MENU (eom_sidebar->priv->menu), + NULL, NULL, eom_sidebar_menu_position_under, widget, + 1, event->time); + + return TRUE; + } + + return FALSE; +} + +static void +eom_sidebar_close_clicked_cb (GtkWidget *widget, + gpointer user_data) +{ + EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data); + + gtk_widget_hide (GTK_WIDGET (eom_sidebar)); +} + +static void +eom_sidebar_menu_deactivate_cb (GtkWidget *widget, + gpointer user_data) +{ + GtkWidget *menu_button; + + menu_button = GTK_WIDGET (user_data); + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (menu_button), FALSE); +} + +static void +eom_sidebar_menu_detach_cb (GtkWidget *widget, + GtkMenu *menu) +{ + EomSidebar *eom_sidebar = EOM_SIDEBAR (widget); + + eom_sidebar->priv->menu = NULL; +} + +static void +eom_sidebar_menu_item_activate_cb (GtkWidget *widget, + gpointer user_data) +{ + EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data); + GtkTreeIter iter; + GtkWidget *menu_item, *item; + gboolean valid; + + menu_item = gtk_menu_get_active (GTK_MENU (eom_sidebar->priv->menu)); + valid = gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter); + + while (valid) { + gtk_tree_model_get (eom_sidebar->priv->page_model, &iter, + PAGE_COLUMN_MENU_ITEM, &item, + -1); + + if (item == menu_item) { + eom_sidebar_select_page (eom_sidebar, &iter); + valid = FALSE; + } else { + valid = gtk_tree_model_iter_next (eom_sidebar->priv->page_model, &iter); + } + + g_object_unref (item); + } + + g_object_notify (G_OBJECT (eom_sidebar), "current-page"); +} + +static void +eom_sidebar_init (EomSidebar *eom_sidebar) +{ + GtkWidget *hbox; + GtkWidget *close_button; + GtkWidget *select_hbox; + GtkWidget *arrow; + GtkWidget *image; + + eom_sidebar->priv = EOM_SIDEBAR_GET_PRIVATE (eom_sidebar); + + /* data model */ + eom_sidebar->priv->page_model = (GtkTreeModel *) + gtk_list_store_new (PAGE_COLUMN_NUM_COLS, + G_TYPE_STRING, + GTK_TYPE_WIDGET, + GTK_TYPE_WIDGET, + G_TYPE_INT); + + /* top option menu */ + hbox = gtk_hbox_new (FALSE, 0); + eom_sidebar->priv->hbox = hbox; + gtk_box_pack_start (GTK_BOX (eom_sidebar), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + eom_sidebar->priv->select_button = gtk_toggle_button_new (); + gtk_button_set_relief (GTK_BUTTON (eom_sidebar->priv->select_button), + GTK_RELIEF_NONE); + + g_signal_connect (eom_sidebar->priv->select_button, "button_press_event", + G_CALLBACK (eom_sidebar_select_button_press_cb), + eom_sidebar); + + g_signal_connect (eom_sidebar->priv->select_button, "key_press_event", + G_CALLBACK (eom_sidebar_select_button_key_press_cb), + eom_sidebar); + + select_hbox = gtk_hbox_new (FALSE, 0); + + eom_sidebar->priv->label = gtk_label_new (""); + + gtk_box_pack_start (GTK_BOX (select_hbox), + eom_sidebar->priv->label, + FALSE, FALSE, 0); + + gtk_widget_show (eom_sidebar->priv->label); + + arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE); + gtk_box_pack_end (GTK_BOX (select_hbox), arrow, FALSE, FALSE, 0); + gtk_widget_show (arrow); + + gtk_container_add (GTK_CONTAINER (eom_sidebar->priv->select_button), select_hbox); + gtk_widget_show (select_hbox); + + gtk_box_pack_start (GTK_BOX (hbox), eom_sidebar->priv->select_button, TRUE, TRUE, 0); + gtk_widget_show (eom_sidebar->priv->select_button); + + close_button = gtk_button_new (); + + gtk_button_set_relief (GTK_BUTTON (close_button), GTK_RELIEF_NONE); + + g_signal_connect (close_button, "clicked", + G_CALLBACK (eom_sidebar_close_clicked_cb), + eom_sidebar); + + image = gtk_image_new_from_stock (GTK_STOCK_CLOSE, + GTK_ICON_SIZE_MENU); + gtk_container_add (GTK_CONTAINER (close_button), image); + gtk_widget_show (image); + + gtk_box_pack_end (GTK_BOX (hbox), close_button, FALSE, FALSE, 0); + gtk_widget_show (close_button); + + eom_sidebar->priv->menu = gtk_menu_new (); + + g_signal_connect (eom_sidebar->priv->menu, "deactivate", + G_CALLBACK (eom_sidebar_menu_deactivate_cb), + eom_sidebar->priv->select_button); + + gtk_menu_attach_to_widget (GTK_MENU (eom_sidebar->priv->menu), + GTK_WIDGET (eom_sidebar), + eom_sidebar_menu_detach_cb); + + gtk_widget_show (eom_sidebar->priv->menu); + + eom_sidebar->priv->notebook = gtk_notebook_new (); + + gtk_notebook_set_show_border (GTK_NOTEBOOK (eom_sidebar->priv->notebook), FALSE); + gtk_notebook_set_show_tabs (GTK_NOTEBOOK (eom_sidebar->priv->notebook), FALSE); + + gtk_box_pack_start (GTK_BOX (eom_sidebar), eom_sidebar->priv->notebook, + TRUE, TRUE, 0); + + gtk_widget_show (eom_sidebar->priv->notebook); +} + +GtkWidget * +eom_sidebar_new (void) +{ + GtkWidget *eom_sidebar; + + eom_sidebar = g_object_new (EOM_TYPE_SIDEBAR, NULL); + + return eom_sidebar; +} + +void +eom_sidebar_add_page (EomSidebar *eom_sidebar, + const gchar *title, + GtkWidget *main_widget) +{ + GtkTreeIter iter; + GtkWidget *menu_item; + gchar *label_title; + gint index; + + g_return_if_fail (EOM_IS_SIDEBAR (eom_sidebar)); + g_return_if_fail (GTK_IS_WIDGET (main_widget)); + + index = gtk_notebook_append_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook), + main_widget, NULL); + + menu_item = gtk_image_menu_item_new_with_label (title); + + g_signal_connect (menu_item, "activate", + G_CALLBACK (eom_sidebar_menu_item_activate_cb), + eom_sidebar); + + gtk_widget_show (menu_item); + + gtk_menu_shell_append (GTK_MENU_SHELL (eom_sidebar->priv->menu), + menu_item); + + /* Insert and move to end */ + gtk_list_store_insert_with_values (GTK_LIST_STORE (eom_sidebar->priv->page_model), + &iter, 0, + PAGE_COLUMN_TITLE, title, + PAGE_COLUMN_MENU_ITEM, menu_item, + PAGE_COLUMN_MAIN_WIDGET, main_widget, + PAGE_COLUMN_NOTEBOOK_INDEX, index, + -1); + + gtk_list_store_move_before (GTK_LIST_STORE(eom_sidebar->priv->page_model), + &iter, + NULL); + + /* Set the first item added as active */ + gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter); + gtk_tree_model_get (eom_sidebar->priv->page_model, + &iter, + PAGE_COLUMN_TITLE, &label_title, + PAGE_COLUMN_NOTEBOOK_INDEX, &index, + -1); + + gtk_menu_set_active (GTK_MENU (eom_sidebar->priv->menu), index); + + gtk_label_set_text (GTK_LABEL (eom_sidebar->priv->label), label_title); + + gtk_notebook_set_current_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook), + index); + + g_free (label_title); + + g_signal_emit (G_OBJECT (eom_sidebar), + signals[SIGNAL_PAGE_ADDED], 0, main_widget); +} + +void +eom_sidebar_remove_page (EomSidebar *eom_sidebar, GtkWidget *main_widget) +{ + GtkTreeIter iter; + GtkWidget *widget, *menu_item; + gboolean valid; + gint index; + + g_return_if_fail (EOM_IS_SIDEBAR (eom_sidebar)); + g_return_if_fail (GTK_IS_WIDGET (main_widget)); + + valid = gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter); + + while (valid) { + gtk_tree_model_get (eom_sidebar->priv->page_model, &iter, + PAGE_COLUMN_NOTEBOOK_INDEX, &index, + PAGE_COLUMN_MENU_ITEM, &menu_item, + PAGE_COLUMN_MAIN_WIDGET, &widget, + -1); + + if (widget == main_widget) { + break; + } else { + valid = gtk_tree_model_iter_next (eom_sidebar->priv->page_model, + &iter); + } + + g_object_unref (menu_item); + g_object_unref (widget); + } + + if (valid) { + gtk_notebook_remove_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook), + index); + + gtk_container_remove (GTK_CONTAINER (eom_sidebar->priv->menu), menu_item); + + gtk_list_store_remove (GTK_LIST_STORE (eom_sidebar->priv->page_model), + &iter); + + g_signal_emit (G_OBJECT (eom_sidebar), + signals[SIGNAL_PAGE_REMOVED], 0, main_widget); + } +} + +gint +eom_sidebar_get_n_pages (EomSidebar *eom_sidebar) +{ + g_return_val_if_fail (EOM_IS_SIDEBAR (eom_sidebar), TRUE); + + return gtk_tree_model_iter_n_children ( + GTK_TREE_MODEL (eom_sidebar->priv->page_model), NULL); +} + +gboolean +eom_sidebar_is_empty (EomSidebar *eom_sidebar) +{ + g_return_val_if_fail (EOM_IS_SIDEBAR (eom_sidebar), TRUE); + + return gtk_tree_model_iter_n_children ( + GTK_TREE_MODEL (eom_sidebar->priv->page_model), NULL) == 0; +} |