diff options
Diffstat (limited to 'gtk+-mingw/share/gtk-3.0/demo/combobox.c')
| -rw-r--r-- | gtk+-mingw/share/gtk-3.0/demo/combobox.c | 473 |
1 files changed, 0 insertions, 473 deletions
diff --git a/gtk+-mingw/share/gtk-3.0/demo/combobox.c b/gtk+-mingw/share/gtk-3.0/demo/combobox.c deleted file mode 100644 index 354fcab..0000000 --- a/gtk+-mingw/share/gtk-3.0/demo/combobox.c +++ /dev/null @@ -1,473 +0,0 @@ -/* Combo boxes - * - * The ComboBox widget allows to select one option out of a list. - * The ComboBoxEntry additionally allows the user to enter a value - * that is not in the list of options. - * - * How the options are displayed is controlled by cell renderers. - */ - -#include <gtk/gtk.h> - -enum -{ - PIXBUF_COL, - TEXT_COL -}; - -static gchar * -strip_underscore (const gchar *text) -{ - gchar *p, *q; - gchar *result; - - result = g_strdup (text); - p = q = result; - while (*p) - { - if (*p != '_') - { - *q = *p; - q++; - } - p++; - } - *q = '\0'; - - return result; -} - -static GtkTreeModel * -create_stock_icon_store (void) -{ - gchar *stock_id[6] = { - GTK_STOCK_DIALOG_WARNING, - GTK_STOCK_STOP, - GTK_STOCK_NEW, - GTK_STOCK_CLEAR, - NULL, - GTK_STOCK_OPEN - }; - - GtkStockItem item; - GdkPixbuf *pixbuf; - GtkWidget *cellview; - GtkTreeIter iter; - GtkListStore *store; - gchar *label; - gint i; - - cellview = gtk_cell_view_new (); - - store = gtk_list_store_new (2, GDK_TYPE_PIXBUF, G_TYPE_STRING); - - for (i = 0; i < G_N_ELEMENTS (stock_id); i++) - { - if (stock_id[i]) - { - pixbuf = gtk_widget_render_icon_pixbuf (cellview, stock_id[i], - GTK_ICON_SIZE_BUTTON); - gtk_stock_lookup (stock_id[i], &item); - label = strip_underscore (item.label); - gtk_list_store_append (store, &iter); - gtk_list_store_set (store, &iter, - PIXBUF_COL, pixbuf, - TEXT_COL, label, - -1); - g_object_unref (pixbuf); - g_free (label); - } - else - { - gtk_list_store_append (store, &iter); - gtk_list_store_set (store, &iter, - PIXBUF_COL, NULL, - TEXT_COL, "separator", - -1); - } - } - - gtk_widget_destroy (cellview); - - return GTK_TREE_MODEL (store); -} - -/* A GtkCellLayoutDataFunc that demonstrates how one can control - * sensitivity of rows. This particular function does nothing - * useful and just makes the second row insensitive. - */ -static void -set_sensitive (GtkCellLayout *cell_layout, - GtkCellRenderer *cell, - GtkTreeModel *tree_model, - GtkTreeIter *iter, - gpointer data) -{ - GtkTreePath *path; - gint *indices; - gboolean sensitive; - - path = gtk_tree_model_get_path (tree_model, iter); - indices = gtk_tree_path_get_indices (path); - sensitive = indices[0] != 1; - gtk_tree_path_free (path); - - g_object_set (cell, "sensitive", sensitive, NULL); -} - -/* A GtkTreeViewRowSeparatorFunc that demonstrates how rows can be - * rendered as separators. This particular function does nothing - * useful and just turns the fourth row into a separator. - */ -static gboolean -is_separator (GtkTreeModel *model, - GtkTreeIter *iter, - gpointer data) -{ - GtkTreePath *path; - gboolean result; - - path = gtk_tree_model_get_path (model, iter); - result = gtk_tree_path_get_indices (path)[0] == 4; - gtk_tree_path_free (path); - - return result; -} - -static GtkTreeModel * -create_capital_store (void) -{ - struct { - gchar *group; - gchar *capital; - } capitals[] = { - { "A - B", NULL }, - { NULL, "Albany" }, - { NULL, "Annapolis" }, - { NULL, "Atlanta" }, - { NULL, "Augusta" }, - { NULL, "Austin" }, - { NULL, "Baton Rouge" }, - { NULL, "Bismarck" }, - { NULL, "Boise" }, - { NULL, "Boston" }, - { "C - D", NULL }, - { NULL, "Carson City" }, - { NULL, "Charleston" }, - { NULL, "Cheyenne" }, - { NULL, "Columbia" }, - { NULL, "Columbus" }, - { NULL, "Concord" }, - { NULL, "Denver" }, - { NULL, "Des Moines" }, - { NULL, "Dover" }, - { "E - J", NULL }, - { NULL, "Frankfort" }, - { NULL, "Harrisburg" }, - { NULL, "Hartford" }, - { NULL, "Helena" }, - { NULL, "Honolulu" }, - { NULL, "Indianapolis" }, - { NULL, "Jackson" }, - { NULL, "Jefferson City" }, - { NULL, "Juneau" }, - { "K - O" }, - { NULL, "Lansing" }, - { NULL, "Lincoln" }, - { NULL, "Little Rock" }, - { NULL, "Madison" }, - { NULL, "Montgomery" }, - { NULL, "Montpelier" }, - { NULL, "Nashville" }, - { NULL, "Oklahoma City" }, - { NULL, "Olympia" }, - { NULL, "P - S" }, - { NULL, "Phoenix" }, - { NULL, "Pierre" }, - { NULL, "Providence" }, - { NULL, "Raleigh" }, - { NULL, "Richmond" }, - { NULL, "Sacramento" }, - { NULL, "Salem" }, - { NULL, "Salt Lake City" }, - { NULL, "Santa Fe" }, - { NULL, "Springfield" }, - { NULL, "St. Paul" }, - { "T - Z", NULL }, - { NULL, "Tallahassee" }, - { NULL, "Topeka" }, - { NULL, "Trenton" }, - { NULL, NULL } - }; - - GtkTreeIter iter, iter2; - GtkTreeStore *store; - gint i; - - store = gtk_tree_store_new (1, G_TYPE_STRING); - - for (i = 0; capitals[i].group || capitals[i].capital; i++) - { - if (capitals[i].group) - { - gtk_tree_store_append (store, &iter, NULL); - gtk_tree_store_set (store, &iter, 0, capitals[i].group, -1); - } - else if (capitals[i].capital) - { - gtk_tree_store_append (store, &iter2, &iter); - gtk_tree_store_set (store, &iter2, 0, capitals[i].capital, -1); - } - } - - return GTK_TREE_MODEL (store); -} - -static void -is_capital_sensitive (GtkCellLayout *cell_layout, - GtkCellRenderer *cell, - GtkTreeModel *tree_model, - GtkTreeIter *iter, - gpointer data) -{ - gboolean sensitive; - - sensitive = !gtk_tree_model_iter_has_child (tree_model, iter); - - g_object_set (cell, "sensitive", sensitive, NULL); -} - -static void -fill_combo_entry (GtkWidget *combo) -{ - gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "One"); - gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Two"); - gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "2\302\275"); - gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Three"); -} - - -/* A simple validating entry */ - -#define TYPE_MASK_ENTRY (mask_entry_get_type ()) -#define MASK_ENTRY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_MASK_ENTRY, MaskEntry)) -#define MASK_ENTRY_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), TYPE_MASK_ENTRY, MaskEntryClass)) -#define IS_MASK_ENTRY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_MASK_ENTRY)) -#define IS_MASK_ENTRY_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE ((vtable), TYPE_MASK_ENTRY)) -#define MASK_ENTRY_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), TYPE_MASK_ENTRY, MaskEntryClass)) - - -typedef struct _MaskEntry MaskEntry; -struct _MaskEntry -{ - GtkEntry entry; - gchar *mask; -}; - -typedef struct _MaskEntryClass MaskEntryClass; -struct _MaskEntryClass -{ - GtkEntryClass parent_class; -}; - - -static void mask_entry_editable_init (GtkEditableInterface *iface); - -G_DEFINE_TYPE_WITH_CODE (MaskEntry, mask_entry, GTK_TYPE_ENTRY, - G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE, - mask_entry_editable_init)); - - -static void -mask_entry_set_background (MaskEntry *entry) -{ - static const GdkRGBA error_color = { 1.0, 0.9, 0.9, 1.0 }; - - if (entry->mask) - { - if (!g_regex_match_simple (entry->mask, gtk_entry_get_text (GTK_ENTRY (entry)), 0, 0)) - { - gtk_widget_override_color (GTK_WIDGET (entry), 0, &error_color); - return; - } - } - - gtk_widget_override_color (GTK_WIDGET (entry), 0, NULL); -} - - -static void -mask_entry_changed (GtkEditable *editable) -{ - mask_entry_set_background (MASK_ENTRY (editable)); -} - - -static void -mask_entry_init (MaskEntry *entry) -{ - entry->mask = NULL; -} - - -static void -mask_entry_class_init (MaskEntryClass *klass) -{ } - - -static void -mask_entry_editable_init (GtkEditableInterface *iface) -{ - iface->changed = mask_entry_changed; -} - - -GtkWidget * -do_combobox (GtkWidget *do_widget) -{ - static GtkWidget *window = NULL; - GtkWidget *vbox, *frame, *box, *combo, *entry; - GtkTreeModel *model; - GtkCellRenderer *renderer; - GtkTreePath *path; - GtkTreeIter iter; - - if (!window) - { - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - gtk_window_set_screen (GTK_WINDOW (window), - gtk_widget_get_screen (do_widget)); - gtk_window_set_title (GTK_WINDOW (window), "Combo boxes"); - - g_signal_connect (window, "destroy", - G_CALLBACK (gtk_widget_destroyed), - &window); - - gtk_container_set_border_width (GTK_CONTAINER (window), 10); - - vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2); - gtk_container_add (GTK_CONTAINER (window), vbox); - - /* A combobox demonstrating cell renderers, separators and - * insensitive rows - */ - frame = gtk_frame_new ("Some stock icons"); - gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0); - - box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); - gtk_container_set_border_width (GTK_CONTAINER (box), 5); - gtk_container_add (GTK_CONTAINER (frame), box); - - model = create_stock_icon_store (); - combo = gtk_combo_box_new_with_model (model); - g_object_unref (model); - gtk_container_add (GTK_CONTAINER (box), combo); - - renderer = gtk_cell_renderer_pixbuf_new (); - gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, FALSE); - gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer, - "pixbuf", PIXBUF_COL, - NULL); - - gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo), - renderer, - set_sensitive, - NULL, NULL); - - renderer = gtk_cell_renderer_text_new (); - gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE); - gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer, - "text", TEXT_COL, - NULL); - - gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo), - renderer, - set_sensitive, - NULL, NULL); - - gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combo), - is_separator, NULL, NULL); - - gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0); - - /* A combobox demonstrating trees. - */ - frame = gtk_frame_new ("Where are we ?"); - gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0); - - box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); - gtk_container_set_border_width (GTK_CONTAINER (box), 5); - gtk_container_add (GTK_CONTAINER (frame), box); - - model = create_capital_store (); - combo = gtk_combo_box_new_with_model (model); - g_object_unref (model); - gtk_container_add (GTK_CONTAINER (box), combo); - - renderer = gtk_cell_renderer_text_new (); - gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE); - gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo), renderer, - "text", 0, - NULL); - gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combo), - renderer, - is_capital_sensitive, - NULL, NULL); - - path = gtk_tree_path_new_from_indices (0, 8, -1); - gtk_tree_model_get_iter (model, &iter, path); - gtk_tree_path_free (path); - gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo), &iter); - - /* A GtkComboBoxEntry with validation. - */ - frame = gtk_frame_new ("Editable"); - gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0); - - box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); - gtk_container_set_border_width (GTK_CONTAINER (box), 5); - gtk_container_add (GTK_CONTAINER (frame), box); - - combo = gtk_combo_box_text_new_with_entry (); - fill_combo_entry (combo); - gtk_container_add (GTK_CONTAINER (box), combo); - - entry = g_object_new (TYPE_MASK_ENTRY, NULL); - MASK_ENTRY (entry)->mask = "^([0-9]*|One|Two|2\302\275|Three)$"; - - gtk_container_remove (GTK_CONTAINER (combo), gtk_bin_get_child (GTK_BIN (combo))); - gtk_container_add (GTK_CONTAINER (combo), entry); - - /* A combobox with string IDs */ - frame = gtk_frame_new ("String IDs"); - gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0); - - box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); - gtk_container_set_border_width (GTK_CONTAINER (box), 5); - gtk_container_add (GTK_CONTAINER (frame), box); - - combo = gtk_combo_box_text_new (); - gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "never", "Not visible"); - gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "when-active", "Visible when active"); - gtk_combo_box_text_append (GTK_COMBO_BOX_TEXT (combo), "always", "Always visible"); - gtk_container_add (GTK_CONTAINER (box), combo); - - entry = gtk_entry_new (); - g_object_bind_property (combo, "active-id", - entry, "text", - G_BINDING_BIDIRECTIONAL); - gtk_container_add (GTK_CONTAINER (box), entry); - } - - if (!gtk_widget_get_visible (window)) - { - gtk_widget_show_all (window); - } - else - { - gtk_widget_destroy (window); - window = NULL; - } - - return window; -} |