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Support grid mode in GtkTreeMenu

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Added properties "wrap-width", "row-span-column" and "column-span-column"
to allow grid style menus from treemodels. Handling row data changes
appropriately.
This commit is contained in:
Tristan Van Berkom
2010-11-23 15:48:14 +09:00
parent e628345394
commit 84a726c3ce
3 changed files with 680 additions and 112 deletions
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150
tests/testtreemenu.c
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@ -1,6 +1,132 @@
#include <gtk/gtk.h>
#include "cellareascaffold.h"
/*******************************************************
* Grid Test *
*******************************************************/
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_menu_grid_demo (void)
{
GtkWidget *menu;
GtkTreeIter iter;
GdkPixbuf *pixbuf;
GtkCellRenderer *cell = gtk_cell_renderer_pixbuf_new ();
GtkListStore *store;
store = gtk_list_store_new (1, GDK_TYPE_PIXBUF);
menu = gtk_tree_menu_new_full (NULL, GTK_TREE_MODEL (store), NULL);
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (menu), cell, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (menu), cell, "pixbuf", 0, NULL);
gtk_tree_menu_set_wrap_width (GTK_TREE_MENU (menu), 3);
/* first row */
pixbuf = create_color_pixbuf ("red");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
pixbuf = create_color_pixbuf ("green");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
pixbuf = create_color_pixbuf ("blue");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
/* second row */
pixbuf = create_color_pixbuf ("yellow");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
pixbuf = create_color_pixbuf ("black");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
pixbuf = create_color_pixbuf ("white");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
/* third row */
pixbuf = create_color_pixbuf ("gray");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
pixbuf = create_color_pixbuf ("snow");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
pixbuf = create_color_pixbuf ("magenta");
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter,
0, pixbuf,
-1);
g_object_unref (pixbuf);
g_object_unref (store);
return menu;
}
/*******************************************************
* Simple Test *
*******************************************************/
@ -288,21 +414,32 @@ tree_menu (void)
gtk_window_set_title (GTK_WINDOW (window), "GtkTreeMenu");
menu = simple_tree_menu ();
g_signal_connect (menu, "menu-activate", G_CALLBACK (menu_activated_cb), NULL);
vbox = gtk_vbox_new (FALSE, 4);
gtk_widget_show (vbox);
menubar = gtk_menu_bar_new ();
menuitem = gtk_menu_item_new_with_label ("Tree");
gtk_widget_show (menu);
gtk_widget_show (menubar);
#if 1
menuitem = gtk_menu_item_new_with_label ("Grid");
menu = create_menu_grid_demo ();
gtk_widget_show (menu);
gtk_widget_show (menuitem);
gtk_menu_shell_append (GTK_MENU_SHELL (menubar), menuitem);
gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), menu);
#endif
menuitem = gtk_menu_item_new_with_label ("Tree");
menu = simple_tree_menu ();
gtk_widget_show (menu);
gtk_widget_show (menuitem);
gtk_menu_shell_prepend (GTK_MENU_SHELL (menubar), menuitem);
gtk_menu_item_set_submenu (GTK_MENU_ITEM (menuitem), menu);
g_signal_connect (menu, "menu-activate", G_CALLBACK (menu_activated_cb), NULL);
gtk_box_pack_start (GTK_BOX (vbox), menubar, FALSE, FALSE, 0);
/* Now add some controls */
@ -362,7 +499,6 @@ tree_menu (void)
g_signal_connect (G_OBJECT (widget), "toggled",
G_CALLBACK (tearoff_toggled), menu);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_widget_show (window);