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|
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
* Nautilus
*
* Copyright (C) 1999, 2000 Eazel, Inc.
*
* Nautilus 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.
*
* Nautilus 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Authors: John Sullivan <sullivan@eazel.com>
*/
/* nautilus-bookmarks-window.c - implementation of bookmark-editing window.
*/
#include <config.h>
#include "nautilus-bookmarks-window.h"
#include <libnautilus/nautilus-undo.h>
#include <libnautilus-private/nautilus-global-preferences.h>
#include <eel/eel-gtk-extensions.h>
#include <libnautilus-private/nautilus-icon-factory.h>
#include <libnautilus-private/nautilus-undo-signal-handlers.h>
#include <gnome.h>
/* Static variables to keep track of window state. If there were
* more than one bookmark-editing window, these would be struct or
* class fields.
*/
static int bookmark_list_changed_signal_id;
static NautilusBookmarkList *bookmarks = NULL;
static GtkWidget *bookmark_list_widget = NULL; /* awkward name to distinguish from NautilusBookmarkList */
static GtkWidget *name_field = NULL;
static int name_field_changed_signal_id;
static GtkWidget *remove_button = NULL;
static gboolean text_changed = FALSE;
static GtkWidget *uri_field = NULL;
static int uri_field_changed_signal_id;
/* forward declarations */
static guint get_selected_row (void);
static gboolean get_selection_exists (void);
static void name_or_uri_field_activate (NautilusEntry *entry);
static void nautilus_bookmarks_window_restore_geometry (GtkWidget *window);
static void on_bookmark_list_changed (NautilusBookmarkList *list,
gpointer user_data);
static void on_name_field_changed (GtkEditable *editable,
gpointer user_data);
static void on_remove_button_clicked (GtkButton *button,
gpointer user_data);
static void on_row_move (GtkCList *clist,
int old_row,
int new_row,
gpointer user_data);
static void on_select_row (GtkCList *clist,
int row,
int column,
GdkEventButton *event,
gpointer user_data);
static gboolean on_text_field_focus_out_event (GtkWidget *widget,
GdkEventFocus *event,
gpointer user_data);
static void on_uri_field_changed (GtkEditable *editable,
gpointer user_data);
static gboolean on_window_delete_event (GtkWidget *widget,
GdkEvent *event,
gpointer user_data);
static void on_window_hide_event (GtkWidget *widget,
gpointer user_data);
static void on_window_destroy_event (GtkWidget *widget,
gpointer user_data);
static void repopulate (void);
static void set_up_close_accelerator (GtkWidget *window);
#define BOOKMARK_LIST_COLUMN_ICON 0
#define BOOKMARK_LIST_COLUMN_NAME 1
#define BOOKMARK_LIST_COLUMN_COUNT 2
/* layout constants */
/* Keep window from shrinking down ridiculously small; numbers are somewhat arbitrary */
#define BOOKMARKS_WINDOW_MIN_WIDTH 300
#define BOOKMARKS_WINDOW_MIN_HEIGHT 100
/* Larger size initially; user can stretch or shrink (but not shrink below min) */
#define BOOKMARKS_WINDOW_INITIAL_WIDTH 500
#define BOOKMARKS_WINDOW_INITIAL_HEIGHT 200
static void
nautilus_bookmarks_window_response_callback (GtkDialog *dialog,
int response_id,
gpointer callback_data)
{
gtk_widget_hide (GTK_WIDGET (dialog));
}
/**
* create_bookmarks_window:
*
* Create a new bookmark-editing window.
* @list: The NautilusBookmarkList that this window will edit.
*
* Return value: A pointer to the new window.
**/
GtkWindow *
create_bookmarks_window (NautilusBookmarkList *list, GObject *undo_manager_source)
{
GtkWidget *window;
GtkWidget *content_area;
GtkWidget *list_scroller;
GtkWidget *right_side;
GtkWidget *vbox3;
GtkWidget *name_label;
GtkWidget *vbox4;
GtkWidget *url_label;
GtkWidget *hbox2;
bookmarks = list;
window = gtk_dialog_new_with_buttons (_("Bookmarks"), NULL, 0,
_("Done"), GTK_RESPONSE_OK,
NULL);
set_up_close_accelerator (window);
nautilus_undo_share_undo_manager (G_OBJECT (window), undo_manager_source);
gtk_window_set_wmclass (GTK_WINDOW (window), "bookmarks", "Nautilus");
gtk_widget_set_usize (window,
BOOKMARKS_WINDOW_MIN_WIDTH,
BOOKMARKS_WINDOW_MIN_HEIGHT);
nautilus_bookmarks_window_restore_geometry (window);
gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, FALSE);
content_area = gtk_hbox_new (TRUE, GNOME_PAD);
gtk_widget_show (content_area);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), content_area, FALSE, FALSE, 0);
list_scroller = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_show (list_scroller);
gtk_box_pack_start (GTK_BOX (content_area), list_scroller, TRUE, TRUE, 0);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (list_scroller), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
bookmark_list_widget = gtk_clist_new (BOOKMARK_LIST_COLUMN_COUNT);
gtk_widget_show (bookmark_list_widget);
gtk_container_add (GTK_CONTAINER (list_scroller), bookmark_list_widget);
gtk_clist_column_titles_hide (GTK_CLIST (bookmark_list_widget));
gtk_clist_set_column_width (GTK_CLIST (bookmark_list_widget),
BOOKMARK_LIST_COLUMN_ICON,
NAUTILUS_ICON_SIZE_SMALLER);
gtk_clist_set_row_height (GTK_CLIST (bookmark_list_widget),
NAUTILUS_ICON_SIZE_SMALLER);
gtk_clist_set_reorderable(GTK_CLIST (bookmark_list_widget), TRUE);
gtk_clist_set_use_drag_icons(GTK_CLIST (bookmark_list_widget), FALSE);
right_side = gtk_vbox_new (FALSE, GNOME_PAD);
gtk_widget_show (right_side);
gtk_box_pack_start (GTK_BOX (content_area), right_side, TRUE, TRUE, 0);
vbox3 = gtk_vbox_new (FALSE, 0);
gtk_widget_show (vbox3);
gtk_box_pack_start (GTK_BOX (right_side), vbox3, FALSE, FALSE, 0);
name_label = gtk_label_new (_("Name"));
gtk_widget_show (name_label);
gtk_box_pack_start (GTK_BOX (vbox3), name_label, FALSE, FALSE, 0);
name_field = nautilus_entry_new ();
gtk_widget_show (name_field);
gtk_box_pack_start (GTK_BOX (vbox3), name_field, FALSE, FALSE, 0);
nautilus_undo_editable_set_undo_key (GTK_EDITABLE (name_field), TRUE);
vbox4 = gtk_vbox_new (FALSE, 0);
gtk_widget_show (vbox4);
gtk_box_pack_start (GTK_BOX (right_side), vbox4, FALSE, FALSE, 0);
url_label = gtk_label_new (_("Location"));
gtk_widget_show (url_label);
gtk_box_pack_start (GTK_BOX (vbox4), url_label, FALSE, FALSE, 0);
uri_field = nautilus_entry_new ();
gtk_widget_show (uri_field);
gtk_box_pack_start (GTK_BOX (vbox4), uri_field, FALSE, FALSE, 0);
nautilus_undo_editable_set_undo_key (GTK_EDITABLE (uri_field), TRUE);
hbox2 = gtk_hbox_new (FALSE, 0);
gtk_widget_show (hbox2);
gtk_box_pack_start (GTK_BOX (right_side), hbox2, FALSE, FALSE, 0);
remove_button = gtk_button_new_with_mnemonic (_("_Remove"));
gtk_widget_show (remove_button);
gtk_box_pack_start (GTK_BOX (hbox2), remove_button, TRUE, FALSE, 0);
bookmark_list_changed_signal_id =
g_signal_connect (bookmarks, "contents_changed",
G_CALLBACK (on_bookmark_list_changed), NULL);
g_signal_connect (bookmark_list_widget, "row_move",
G_CALLBACK (on_row_move), NULL);
g_signal_connect (bookmark_list_widget, "select_row",
G_CALLBACK (on_select_row), NULL);
g_signal_connect (window, "delete_event",
G_CALLBACK (on_window_delete_event), NULL);
g_signal_connect (window, "hide",
G_CALLBACK (on_window_hide_event), NULL);
g_signal_connect (window, "destroy",
G_CALLBACK (on_window_destroy_event), NULL);
g_signal_connect (window, "response",
G_CALLBACK (nautilus_bookmarks_window_response_callback), NULL);
name_field_changed_signal_id =
g_signal_connect (name_field, "changed",
G_CALLBACK (on_name_field_changed),
NULL);
g_signal_connect (name_field, "focus_out_event",
G_CALLBACK (on_text_field_focus_out_event), NULL);
g_signal_connect (name_field, "activate",
G_CALLBACK (name_or_uri_field_activate), NULL);
uri_field_changed_signal_id =
g_signal_connect (uri_field, "changed",
G_CALLBACK (on_uri_field_changed), NULL);
g_signal_connect (uri_field, "focus_out_event",
G_CALLBACK (on_text_field_focus_out_event), NULL);
g_signal_connect (uri_field, "activate",
G_CALLBACK (name_or_uri_field_activate), NULL);
g_signal_connect (remove_button, "clicked",
G_CALLBACK (on_remove_button_clicked), NULL);
/* Register to find out about icon theme changes */
gtk_signal_connect_object_while_alive (nautilus_icon_factory_get (), "icons_changed",
repopulate, GTK_OBJECT (window));
/* Set selection mode after connecting signal to notice initial selected row. */
gtk_clist_set_selection_mode (GTK_CLIST (bookmark_list_widget),
GTK_SELECTION_BROWSE);
/* Fill in list widget with bookmarks, must be after signals are wired up. */
repopulate();
return GTK_WINDOW (window);
}
static NautilusBookmark *
get_selected_bookmark (void)
{
g_return_val_if_fail(NAUTILUS_IS_BOOKMARK_LIST(bookmarks), NULL);
return nautilus_bookmark_list_item_at(bookmarks, get_selected_row ());
}
static guint
get_selected_row (void)
{
g_assert (get_selection_exists());
return GPOINTER_TO_UINT (g_list_nth_data (GTK_CLIST (bookmark_list_widget)->selection, 0));
}
static gboolean
get_selection_exists (void)
{
g_assert (GTK_CLIST(bookmark_list_widget)->selection_mode
== GTK_SELECTION_BROWSE);
return GTK_CLIST(bookmark_list_widget)->rows > 0;
}
static void
install_bookmark_icon (NautilusBookmark *bookmark, int row)
{
GdkPixmap *pixmap;
GdkBitmap *bitmap;
if (!nautilus_bookmark_get_pixmap_and_mask (bookmark,
NAUTILUS_ICON_SIZE_SMALLER,
&pixmap,
&bitmap)) {
return;
}
gtk_clist_set_pixmap (GTK_CLIST (bookmark_list_widget),
row,
BOOKMARK_LIST_COLUMN_ICON,
pixmap,
bitmap);
}
static void
nautilus_bookmarks_window_restore_geometry (GtkWidget *window)
{
const char *window_geometry;
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (NAUTILUS_IS_BOOKMARK_LIST (bookmarks));
window_geometry = nautilus_bookmark_list_get_window_geometry (bookmarks);
if (window_geometry != NULL) {
eel_gtk_window_set_initial_geometry_from_string
(GTK_WINDOW (window), window_geometry,
BOOKMARKS_WINDOW_MIN_WIDTH, BOOKMARKS_WINDOW_MIN_HEIGHT);
} else {
/* use default since there was no stored geometry */
gtk_window_set_default_size (GTK_WINDOW (window),
BOOKMARKS_WINDOW_INITIAL_WIDTH,
BOOKMARKS_WINDOW_INITIAL_HEIGHT);
/* Let window manager handle default position if no position stored */
}
}
/**
* nautilus_bookmarks_window_save_geometry:
*
* Save window size & position to disk.
* @window: The bookmarks window whose geometry should be saved.
**/
void
nautilus_bookmarks_window_save_geometry (GtkWindow *window)
{
g_return_if_fail (GTK_IS_WINDOW (window));
g_return_if_fail (NAUTILUS_IS_BOOKMARK_LIST (bookmarks));
/* Don't bother if window is already closed */
if (GTK_WIDGET_VISIBLE (window)) {
char *geometry_string;
geometry_string = eel_gtk_window_get_geometry_string (window);
nautilus_bookmark_list_set_window_geometry (bookmarks, geometry_string);
g_free (geometry_string);
}
}
static void
on_bookmark_list_changed (NautilusBookmarkList *bookmarks, gpointer data)
{
g_return_if_fail (NAUTILUS_IS_BOOKMARK_LIST (bookmarks));
/* maybe add logic here or in repopulate to save/restore selection */
repopulate ();
}
static void
on_name_field_changed (GtkEditable *editable,
gpointer user_data)
{
g_return_if_fail(GTK_IS_CLIST(bookmark_list_widget));
g_return_if_fail(GTK_IS_ENTRY(name_field));
g_return_if_fail(get_selection_exists());
/* Update text displayed in list instantly. Also remember that
* user has changed text so we update real bookmark later.
*/
gtk_clist_set_text(GTK_CLIST(bookmark_list_widget),
get_selected_row(), BOOKMARK_LIST_COLUMN_NAME,
gtk_entry_get_text(GTK_ENTRY(name_field)));
text_changed = TRUE;
}
static void
on_remove_button_clicked (GtkButton *button,
gpointer user_data)
{
g_assert(GTK_IS_CLIST(bookmark_list_widget));
/* Turn off list updating since we're handling the list widget explicitly.
* This allows the selection to move to the next row, instead of leaping
* back to the top.
*/
gtk_signal_handler_block(GTK_OBJECT(bookmarks),
bookmark_list_changed_signal_id);
nautilus_bookmark_list_delete_item_at(bookmarks, get_selected_row());
gtk_signal_handler_unblock(GTK_OBJECT(bookmarks),
bookmark_list_changed_signal_id);
gtk_clist_remove(GTK_CLIST(bookmark_list_widget), get_selected_row());
/*
* If removing the selected row selected the next row, then we'll
* get a callback. But if the list is now empty, we won't get a
* callback, which will leave the Remove button and text fields
* in the wrong state unless we fix them explicitly here.
*/
if (nautilus_bookmark_list_length (bookmarks) == 0) {
repopulate ();
}
}
static void
on_row_move (GtkCList *clist,
int old_row,
int new_row,
gpointer user_data)
{
NautilusBookmark *bookmark;
bookmark = nautilus_bookmark_copy(
nautilus_bookmark_list_item_at(bookmarks, old_row));
/* turn off list updating 'cuz otherwise the list-reordering code runs
* after repopulate(), thus reordering the correctly-ordered list.
*/
gtk_signal_handler_block(GTK_OBJECT(bookmarks),
bookmark_list_changed_signal_id);
nautilus_bookmark_list_delete_item_at(bookmarks, old_row);
nautilus_bookmark_list_insert_item(bookmarks, bookmark, new_row);
gtk_signal_handler_unblock(GTK_OBJECT(bookmarks),
bookmark_list_changed_signal_id);
g_object_unref (bookmark);
}
static void
on_select_row (GtkCList *clist,
int row,
int column,
GdkEventButton *event,
gpointer user_data)
{
NautilusBookmark *selected;
char *name, *uri;
g_assert (GTK_IS_ENTRY (name_field));
g_assert (GTK_IS_ENTRY (uri_field));
/* Workaround for apparent GtkCList bug. See bugzilla.gnome.org 47846. */
if (clist->rows <= row) {
return;
}
selected = get_selected_bookmark ();
name = nautilus_bookmark_get_name (selected);
uri = nautilus_bookmark_get_uri (selected);
nautilus_entry_set_text (NAUTILUS_ENTRY (name_field), name);
nautilus_entry_set_text (NAUTILUS_ENTRY (uri_field), uri);
g_free (name);
g_free (uri);
}
static void
update_bookmark_from_text (void)
{
if (text_changed) {
NautilusBookmark *bookmark;
guint selected_row;
g_assert (GTK_IS_ENTRY (name_field));
g_assert (GTK_IS_ENTRY (uri_field));
bookmark = nautilus_bookmark_new
(gtk_entry_get_text (GTK_ENTRY (uri_field)),
gtk_entry_get_text (GTK_ENTRY (name_field)));
selected_row = get_selected_row ();
/* turn off list updating 'cuz otherwise the list-reordering code runs
* after repopulate(), thus reordering the correctly-ordered list.
*/
gtk_signal_handler_block (GTK_OBJECT (bookmarks),
bookmark_list_changed_signal_id);
nautilus_bookmark_list_delete_item_at (bookmarks, selected_row);
nautilus_bookmark_list_insert_item (bookmarks, bookmark, selected_row);
gtk_signal_handler_unblock (GTK_OBJECT (bookmarks),
bookmark_list_changed_signal_id);
g_object_unref (bookmark);
}
}
static gboolean
on_text_field_focus_out_event (GtkWidget *widget,
GdkEventFocus *event,
gpointer user_data)
{
g_assert (NAUTILUS_IS_ENTRY (widget));
update_bookmark_from_text ();
return FALSE;
}
static void
name_or_uri_field_activate (NautilusEntry *entry)
{
g_assert (NAUTILUS_IS_ENTRY (entry));
update_bookmark_from_text ();
nautilus_entry_select_all_at_idle (entry);
}
static void
on_uri_field_changed (GtkEditable *editable,
gpointer user_data)
{
/* Remember that user has changed text so we
* update real bookmark later.
*/
text_changed = TRUE;
}
static gboolean
on_window_delete_event (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
gtk_widget_hide (widget);
return TRUE;
}
static gboolean
restore_geometry (gpointer data)
{
g_assert (GTK_IS_WINDOW (data));
nautilus_bookmarks_window_restore_geometry (GTK_WIDGET (data));
/* Don't call this again */
return FALSE;
}
static void
on_window_hide_event (GtkWidget *widget,
gpointer user_data)
{
nautilus_bookmarks_window_save_geometry (GTK_WINDOW (widget));
/* Disable undo for entry widgets */
nautilus_undo_unregister (G_OBJECT (name_field));
nautilus_undo_unregister (G_OBJECT (uri_field));
/* restore_geometry only works after window is hidden */
gtk_idle_add (restore_geometry, widget);
}
static void
on_window_destroy_event (GtkWidget *widget,
gpointer user_data)
{
g_message ("destroying bookmarks window");
gtk_idle_remove_by_data (widget);
}
static void
repopulate (void)
{
GtkCList *clist;
guint index;
gboolean selection_exists;
g_assert (GTK_IS_CLIST (bookmark_list_widget));
g_assert (NAUTILUS_IS_BOOKMARK_LIST (bookmarks));
clist = GTK_CLIST (bookmark_list_widget);
/* Freeze while mucking with content so it's not flashy */
gtk_clist_freeze (clist);
/* Empty the list. */
gtk_clist_clear (clist);
/* Fill the list in with the bookmark names. */
for (index = 0; index < nautilus_bookmark_list_length(bookmarks); ++index) {
char *text[BOOKMARK_LIST_COLUMN_COUNT];
char *bookmark_name;
NautilusBookmark *bookmark;
int new_row;
bookmark = nautilus_bookmark_list_item_at(bookmarks, index);
bookmark_name = nautilus_bookmark_get_name (bookmark);
text[BOOKMARK_LIST_COLUMN_ICON] = NULL;
text[BOOKMARK_LIST_COLUMN_NAME] = bookmark_name;
new_row = gtk_clist_append (clist, text);
g_free (bookmark_name);
install_bookmark_icon (bookmark, new_row);
}
/* Set the sensitivity of widgets that require a selection */
selection_exists = get_selection_exists();
gtk_widget_set_sensitive (remove_button, selection_exists);
gtk_widget_set_sensitive (name_field, selection_exists);
gtk_widget_set_sensitive (uri_field, selection_exists);
if (!selection_exists) {
/* Block signals to avoid modifying nonexistent selected item. */
gtk_signal_handler_block (GTK_OBJECT (name_field),
name_field_changed_signal_id);
nautilus_entry_set_text (NAUTILUS_ENTRY (name_field), "");
gtk_signal_handler_unblock (GTK_OBJECT (name_field),
name_field_changed_signal_id);
gtk_signal_handler_block (GTK_OBJECT (uri_field),
uri_field_changed_signal_id);
nautilus_entry_set_text (NAUTILUS_ENTRY (uri_field), "");
gtk_signal_handler_unblock (GTK_OBJECT (uri_field),
uri_field_changed_signal_id);
}
gtk_clist_thaw (GTK_CLIST (bookmark_list_widget));
}
static int
handle_close_accelerator (GtkWindow *window,
GdkEventKey *event,
gpointer user_data)
{
g_assert (GTK_IS_WINDOW (window));
g_assert (event != NULL);
g_assert (user_data == NULL);
if (eel_gtk_window_event_is_close_accelerator (window, event)) {
gtk_widget_hide (GTK_WIDGET (window));
gtk_signal_emit_stop_by_name (GTK_OBJECT (window), "key_press_event");
return TRUE;
}
return FALSE;
}
static void
set_up_close_accelerator (GtkWidget *window)
{
/* Note that we don't call eel_gtk_window_set_up_close_accelerator
* here because we have to handle saving geometry before hiding the
* window.
*/
g_signal_connect (window, "key_press_event",
G_CALLBACK (handle_close_accelerator), NULL);
}
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