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Add accessible alternatives to entry icon functionality

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Inspired by the complaint in bug 611051.
This commit is contained in:
Matthias Clasen 2010-03-08 19:59:24 -05:00 committed by Tristan Van Berkom
parent e566c96137
commit f77c10b0b0
1 changed files with 140 additions and 88 deletions
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168
demos/gtk-demo/search_entry.c
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@ -77,43 +77,11 @@ stop_search (GtkButton *button,
}
static void
icon_press_cb (GtkEntry *entry,
gint position,
GdkEventButton *event,
gpointer data)
clear_entry (GtkEntry *entry)
{
if (position == GTK_ENTRY_ICON_PRIMARY)
gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
event->button, event->time);
else
gtk_entry_set_text (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_by_name (GtkWidget *item,
GtkEntry *entry)
@ -153,6 +121,82 @@ search_by_file (GtkWidget *item,
"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)
{
@ -165,6 +209,34 @@ search_entry_destroyed (GtkWidget *widget)
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)
@ -173,8 +245,6 @@ do_search_entry (GtkWidget *do_widget)
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *entry;
GtkWidget *item;
GtkWidget *image;
GtkWidget *find_button;
GtkWidget *cancel_button;
@ -244,30 +314,14 @@ do_search_entry (GtkWidget *do_widget)
G_CALLBACK (activate_cb), NULL);
/* Create the menu */
menu = gtk_menu_new ();
menu = create_search_menu (entry);
gtk_menu_attach_to_widget (GTK_MENU (menu), entry, NULL);
item = gtk_image_menu_item_new_with_label ("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);
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_label ("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);
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_label ("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);
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);
}
/* 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
@ -279,5 +333,3 @@ do_search_entry (GtkWidget *do_widget)
return window;
}