/* Entry/Search Entry
*
* GtkEntry allows to display icons and progress information.
* This demo shows how to use these features in a search entry.
*/
#include <gtk/gtk.h>
static GtkWidget *window = NULL;
static GtkWidget *menu = NULL;
static GtkWidget *notebook = NULL;
static guint search_progress_id = 0;
static guint finish_search_id = 0;
static void
show_find_button (void)
{
gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), 0);
}
static void
show_cancel_button (void)
{
gtk_notebook_set_current_page (GTK_NOTEBOOK (notebook), 1);
}
static gboolean
search_progress (gpointer data)
{
gtk_entry_progress_pulse (GTK_ENTRY (data));
return TRUE;
}
static void
search_progress_done (GtkEntry *entry)
{
gtk_entry_set_progress_fraction (entry, 0.0);
}
static gboolean
finish_search (GtkButton *button)
{
show_find_button ();
g_source_remove (search_progress_id);
search_progress_id = 0;
return FALSE;
}
static gboolean
start_search_feedback (gpointer data)
{
search_progress_id = g_timeout_add_full (G_PRIORITY_DEFAULT, 100,
(GSourceFunc)search_progress, data,
(GDestroyNotify)search_progress_done);
return FALSE;
}
static void
start_search (GtkButton *button,
GtkEntry *entry)
{
show_cancel_button ();
search_progress_id = g_timeout_add_seconds (1, (GSourceFunc)start_search_feedback, entry);
finish_search_id = g_timeout_add_seconds (15, (GSourceFunc)finish_search, button);
}
static void
stop_search (GtkButton *button,
gpointer data)
{
g_source_remove (finish_search_id);
finish_search (button);
}
static void
clear_entry (GtkEntry *entry)
{
gtk_entry_set_text (entry, "");
}
static void
search_by_name (GtkWidget *item,
GtkEntry *entry)
{
gtk_entry_set_icon_from_stock (entry,
GTK_ENTRY_ICON_PRIMARY,
GTK_STOCK_FIND);
gtk_entry_set_icon_tooltip_text (entry,
GTK_ENTRY_ICON_PRIMARY,
"Search by name\n"
"Click here to change the search type");
}
static void
search_by_description (GtkWidget *item,
GtkEntry *entry)
{
gtk_entry_set_icon_from_stock (entry,
GTK_ENTRY_ICON_PRIMARY,
GTK_STOCK_EDIT);
gtk_entry_set_icon_tooltip_text (entry,
GTK_ENTRY_ICON_PRIMARY,
"Search by description\n"
"Click here to change the search type");
}
static void
search_by_file (GtkWidget *item,
GtkEntry *entry)
{
gtk_entry_set_icon_from_stock (entry,
GTK_ENTRY_ICON_PRIMARY,
GTK_STOCK_OPEN);
gtk_entry_set_icon_tooltip_text (entry,
GTK_ENTRY_ICON_PRIMARY,
"Search by file name\n"
"Click here to change the search type");
}
GtkWidget *
create_search_menu (GtkWidget *entry)
{
GtkWidget *menu;
GtkWidget *item;
GtkWidget *image;
menu = gtk_menu_new ();
item = gtk_image_menu_item_new_with_mnemonic ("Search by _name");
image = gtk_image_new_from_stock (GTK_STOCK_FIND, GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (item), TRUE);
g_signal_connect (item, "activate",
G_CALLBACK (search_by_name), entry);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
item = gtk_image_menu_item_new_with_mnemonic ("Search by _description");
image = gtk_image_new_from_stock (GTK_STOCK_EDIT, GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (item), TRUE);
g_signal_connect (item, "activate",
G_CALLBACK (search_by_description), entry);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
item = gtk_image_menu_item_new_with_mnemonic ("Search by _file name");
image = gtk_image_new_from_stock (GTK_STOCK_OPEN, GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
gtk_image_menu_item_set_always_show_image (GTK_IMAGE_MENU_ITEM (item), TRUE);
g_signal_connect (item, "activate",
G_CALLBACK (search_by_file), entry);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
gtk_widget_show_all (menu);
return menu;
}
static void
icon_press_cb (GtkEntry *entry,
gint position,
GdkEventButton *event,
gpointer data)
{
if (position == GTK_ENTRY_ICON_PRIMARY)
gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
event->button, event->time);
else
clear_entry (entry);
}
static void
text_changed_cb (GtkEntry *entry,
GParamSpec *pspec,
GtkWidget *button)
{
gboolean has_text;
has_text = gtk_entry_get_text_length (entry) > 0;
gtk_entry_set_icon_sensitive (entry,
GTK_ENTRY_ICON_SECONDARY,
has_text);
gtk_widget_set_sensitive (button, has_text);
}
static void
activate_cb (GtkEntry *entry,
GtkButton *button)
{
if (search_progress_id != 0)
return;
start_search (button, entry);
}
static void
search_entry_destroyed (GtkWidget *widget)
{
if (finish_search_id != 0)
g_source_remove (finish_search_id);
if (search_progress_id != 0)
g_source_remove (search_progress_id);
window = NULL;
}
static void
entry_populate_popup (GtkEntry *entry,
GtkMenu *menu,
gpointer user_data)
{
GtkWidget *item;
GtkWidget *search_menu;
gboolean has_text;
has_text = gtk_entry_get_text_length (entry) > 0;
item = gtk_separator_menu_item_new ();
gtk_widget_show (item);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
item = gtk_menu_item_new_with_mnemonic ("C_lear");
gtk_widget_show (item);
g_signal_connect_swapped (item, "activate",
G_CALLBACK (clear_entry), entry);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
gtk_widget_set_sensitive (item, has_text);
search_menu = create_search_menu (GTK_WIDGET (entry));
item = gtk_menu_item_new_with_label ("Search by");
gtk_widget_show (item);
gtk_menu_item_set_submenu (GTK_MENU_ITEM (item), search_menu);
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
}
GtkWidget *
do_search_entry (GtkWidget *do_widget)
{
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *entry;
GtkWidget *find_button;
GtkWidget *cancel_button;
if (!window)
{
window = gtk_dialog_new_with_buttons ("Search Entry",
GTK_WINDOW (do_widget),
0,
GTK_STOCK_CLOSE,
GTK_RESPONSE_NONE,
NULL);
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
g_signal_connect (window, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
g_signal_connect (window, "destroy",
G_CALLBACK (search_entry_destroyed), &window);
vbox = gtk_vbox_new (FALSE, 5);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (window))), vbox, TRUE, TRUE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (label), "Search entry demo");
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
hbox = gtk_hbox_new (FALSE, 10);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
/* Create our entry */
entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
/* Create the find and cancel buttons */
notebook = gtk_notebook_new ();
gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook), FALSE);
gtk_notebook_set_show_border (GTK_NOTEBOOK (notebook), FALSE);
gtk_box_pack_start (GTK_BOX (hbox), notebook, FALSE, FALSE, 0);
find_button = gtk_button_new_with_label ("Find");
g_signal_connect (find_button, "clicked",
G_CALLBACK (start_search), entry);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), find_button, NULL);
gtk_widget_show (find_button);
cancel_button = gtk_button_new_with_label ("Cancel");
g_signal_connect (cancel_button, "clicked",
G_CALLBACK (stop_search), NULL);
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), cancel_button, NULL);
gtk_widget_show (cancel_button);
/* Set up the search icon */
search_by_name (NULL, GTK_ENTRY (entry));
/* Set up the clear icon */
gtk_entry_set_icon_from_stock (GTK_ENTRY (entry),
GTK_ENTRY_ICON_SECONDARY,
GTK_STOCK_CLEAR);
text_changed_cb (GTK_ENTRY (entry), NULL, find_button);
g_signal_connect (entry, "icon-press",
G_CALLBACK (icon_press_cb), NULL);
g_signal_connect (entry, "notify::text",
G_CALLBACK (text_changed_cb), find_button);
g_signal_connect (entry, "activate",
G_CALLBACK (activate_cb), NULL);
/* Create the menu */
menu = create_search_menu (entry);
gtk_menu_attach_to_widget (GTK_MENU (menu), entry, NULL);
/* add accessible alternatives for icon functionality */
g_signal_connect (entry, "populate-popup",
G_CALLBACK (entry_populate_popup), NULL);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
{
gtk_widget_destroy (menu);
gtk_widget_destroy (window);
window = NULL;
}
return window;
}