gtk/tests/testcombo.c

#include <config.h>
#include <gtk/gtk.h>
#include <gtk/gtkcellview.h>
#include <gtk/gtkcellviewmenuitem.h>

#include <string.h>
#include <stdio.h>

/**
 * oh yes, this test app surely has a lot of ugly code
 */

/* grid combo demo */
static GdkPixbuf *
create_color_pixbuf (const char *color)
{
        GdkPixbuf *pixbuf;
        GdkColor col;

        int x;
        int num;
        int rowstride;
        guchar *pixels, *p;

        if (!gdk_color_parse (color, &col))
                return NULL;

        pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
                                 FALSE, 8,
                                 16, 16);

        rowstride = gdk_pixbuf_get_rowstride (pixbuf);
        p = pixels = gdk_pixbuf_get_pixels (pixbuf);

        num = gdk_pixbuf_get_width (pixbuf) *
                gdk_pixbuf_get_height (pixbuf);

        for (x = 0; x < num; x++) {
                p[0] = col.red / 65535 * 255;
                p[1] = col.green / 65535 * 255;
                p[2] = col.blue / 65535 * 255;
                p += 3;
        }

        return pixbuf;
}

static GtkWidget *
create_combo_box_grid_demo ()
{
        GtkWidget *combo;
        GtkTreeIter iter;
        GtkCellRenderer *cell = gtk_cell_renderer_pixbuf_new ();
        GtkListStore *store;

        store = gtk_list_store_new (1, GDK_TYPE_PIXBUF);

        combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (store));
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo),
                                    cell, TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo),
                                        cell, "pixbuf", 0, NULL);
        gtk_combo_box_set_wrap_width (GTK_COMBO_BOX (combo),
                                      3);

        /* first row */
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("red"),
                            -1);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("green"),
                            -1);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("blue"),
                            -1);

        /* second row */
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("yellow"),
                            -1);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("black"),
                            -1);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("white"),
                            -1);

        /* third row */
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("gray"),
                            -1);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("snow"),
                            -1);

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, create_color_pixbuf ("magenta"),
                            -1);

        gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);

        return combo;
}

/* blaat */
static GtkTreeModel *
create_blaat ()
{
        GdkPixbuf *pixbuf;
        GtkWidget *cellview;
        GtkTreeIter iter;
        GtkListStore *store;

        cellview = gtk_cell_view_new ();

        store = gtk_list_store_new (2, GDK_TYPE_PIXBUF, G_TYPE_STRING);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_DIALOG_WARNING,
                                         GTK_ICON_SIZE_BUTTON, NULL);
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, pixbuf,
                            1, "gtk-stock-dialog-warning",
                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_STOP,
                                         GTK_ICON_SIZE_BUTTON, NULL);
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, pixbuf,
                            1, "gtk-stock-stop",
                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_NEW,
                                         GTK_ICON_SIZE_BUTTON, NULL);
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, pixbuf,
                            1, "gtk-stock-new",
                            -1);

        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_CLEAR,
                                         GTK_ICON_SIZE_BUTTON, NULL);
        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                            0, pixbuf,
                            1, "gtk-stock-clear",
                            -1);

        gtk_widget_destroy (cellview);

        return GTK_TREE_MODEL (store);
}

static void
setup_combo_entry (GtkWidget *entry_box)
{
	gtk_combo_box_append_text (GTK_COMBO_BOX (entry_box),
				   "dum de dum");
	gtk_combo_box_append_text (GTK_COMBO_BOX (entry_box),
				   "la la la");
	gtk_combo_box_append_text (GTK_COMBO_BOX (entry_box),
				   "la la la dum de dum la la la la la la boom de da la la");
	gtk_combo_box_append_text (GTK_COMBO_BOX (entry_box),
				   "bloop");
	gtk_combo_box_append_text (GTK_COMBO_BOX (entry_box),
				   "bleep");
	gtk_combo_box_append_text (GTK_COMBO_BOX (entry_box),
				   "klaas");
}

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] % 2;
  gtk_tree_path_free (path);

  g_object_set (cell, "sensitive", sensitive, NULL);
}

int
main (int argc, char **argv)
{
        GtkWidget *window, *cellview, *mainbox;
        GtkWidget *combobox, *comboboxtext, *comboboxgrid;
        GtkWidget *tmp, *boom;
        GtkCellRenderer *renderer;
        GdkPixbuf *pixbuf;
        GValue value = {0, };

        gtk_init (&argc, &argv);

        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
        gtk_container_set_border_width (GTK_CONTAINER (window), 5);
        g_signal_connect (window, "delete_event", gtk_main_quit, NULL);

        mainbox = gtk_vbox_new (FALSE, 2);
        gtk_container_add (GTK_CONTAINER (window), mainbox);


        /* GtkCellView */
        tmp = gtk_frame_new ("GtkCellView");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_vbox_new (FALSE, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        cellview = gtk_cell_view_new ();
        renderer = gtk_cell_renderer_pixbuf_new ();
        pixbuf = gtk_widget_render_icon (cellview, GTK_STOCK_DIALOG_WARNING,
                                         GTK_ICON_SIZE_BUTTON, NULL);

        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
                                    renderer,
                                    FALSE);
        g_value_init (&value, GDK_TYPE_PIXBUF);
        g_value_set_instance (&value, pixbuf);
        gtk_cell_view_set_values (GTK_CELL_VIEW (cellview),
                                  renderer,
                                  "pixbuf", &value,
                                  NULL);
        g_value_unset (&value);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (cellview),
                                    renderer,
                                    TRUE);
        g_value_init (&value, G_TYPE_STRING);
        g_value_set_string (&value, "la la la");
        gtk_cell_view_set_values (GTK_CELL_VIEW (cellview),
                                  renderer,
                                  "text", &value,
                                  NULL);
        g_value_unset (&value);
        gtk_container_add (GTK_CONTAINER (boom), cellview);


        /* GtkComboBox */
        tmp = gtk_frame_new ("GtkComboBox");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_vbox_new (FALSE, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        combobox = gtk_combo_box_new_with_model (create_blaat ());
        gtk_container_add (GTK_CONTAINER (boom), combobox);

        renderer = gtk_cell_renderer_pixbuf_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    FALSE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "pixbuf", 0,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);

        renderer = gtk_cell_renderer_text_new ();
        gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combobox),
                                    renderer,
                                    TRUE);
        gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combobox), renderer,
                                        "text", 1,
                                        NULL);
	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (combobox),
					    renderer,
					    set_sensitive,
					    NULL, NULL);
        gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 1);


        /* GtkComboBox (grid mode) */
        tmp = gtk_frame_new ("GtkComboBox (grid mode)");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_vbox_new (FALSE, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        comboboxgrid = create_combo_box_grid_demo ();
        gtk_box_pack_start (GTK_BOX (boom), comboboxgrid, FALSE, FALSE, 0);


        /* GtkComboBoxEntry */
        tmp = gtk_frame_new ("GtkComboBoxEntry");
        gtk_box_pack_start (GTK_BOX (mainbox), tmp, FALSE, FALSE, 0);

        boom = gtk_vbox_new (FALSE, 0);
        gtk_container_set_border_width (GTK_CONTAINER (boom), 5);
        gtk_container_add (GTK_CONTAINER (tmp), boom);

        comboboxtext = gtk_combo_box_entry_new_text ();
	setup_combo_entry (comboboxtext);
        gtk_container_add (GTK_CONTAINER (boom), comboboxtext);

        /* done */
        gtk_widget_show_all (window);

        gtk_main ();

        return 0;
}

/* vim:expandtab
 */