/usr/share/gtk-3.0/demo/iconview_edit.c is in gtk-3-examples 3.4.2-0ubuntu0.9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | /* Icon View/Editing and Drag-and-Drop
*
* The GtkIconView widget supports Editing and Drag-and-Drop.
* This example also demonstrates using the generic GtkCellLayout
* interface to set up cell renderers in an icon view.
*/
#include <gtk/gtk.h>
#include <string.h>
#include "demo-common.h"
static GtkWidget *window = NULL;
enum
{
COL_TEXT,
NUM_COLS
};
static void
fill_store (GtkListStore *store)
{
GtkTreeIter iter;
const gchar *text[] = { "Red", "Green", "Blue", "Yellow" };
gint i;
/* First clear the store */
gtk_list_store_clear (store);
for (i = 0; i < 4; i++)
{
gtk_list_store_append (store, &iter);
gtk_list_store_set (store, &iter, COL_TEXT, text[i], -1);
}
}
static GtkListStore *
create_store (void)
{
GtkListStore *store;
store = gtk_list_store_new (NUM_COLS, G_TYPE_STRING);
return store;
}
static void
set_cell_color (GtkCellLayout *cell_layout,
GtkCellRenderer *cell,
GtkTreeModel *tree_model,
GtkTreeIter *iter,
gpointer data)
{
gchar *text;
GdkColor color;
guint32 pixel = 0;
GdkPixbuf *pixbuf;
gtk_tree_model_get (tree_model, iter, COL_TEXT, &text, -1);
if (gdk_color_parse (text, &color))
pixel =
(color.red >> 8) << 24 |
(color.green >> 8) << 16 |
(color.blue >> 8) << 8;
g_free (text);
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, 24, 24);
gdk_pixbuf_fill (pixbuf, pixel);
g_object_set (cell, "pixbuf", pixbuf, NULL);
g_object_unref (pixbuf);
}
static void
edited (GtkCellRendererText *cell,
gchar *path_string,
gchar *text,
gpointer data)
{
GtkTreeModel *model;
GtkTreeIter iter;
GtkTreePath *path;
model = gtk_icon_view_get_model (GTK_ICON_VIEW (data));
path = gtk_tree_path_new_from_string (path_string);
gtk_tree_model_get_iter (model, &iter, path);
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
COL_TEXT, text, -1);
gtk_tree_path_free (path);
}
GtkWidget *
do_iconview_edit (GtkWidget *do_widget)
{
if (!window)
{
GtkWidget *icon_view;
GtkListStore *store;
GtkCellRenderer *renderer;
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), "Editing and Drag-and-Drop");
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed), &window);
store = create_store ();
fill_store (store);
icon_view = gtk_icon_view_new_with_model (GTK_TREE_MODEL (store));
g_object_unref (store);
gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (icon_view),
GTK_SELECTION_SINGLE);
gtk_icon_view_set_item_orientation (GTK_ICON_VIEW (icon_view),
GTK_ORIENTATION_HORIZONTAL);
gtk_icon_view_set_columns (GTK_ICON_VIEW (icon_view), 2);
gtk_icon_view_set_reorderable (GTK_ICON_VIEW (icon_view), TRUE);
renderer = gtk_cell_renderer_pixbuf_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (icon_view),
renderer, TRUE);
gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (icon_view),
renderer,
set_cell_color,
NULL, NULL);
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (icon_view),
renderer, TRUE);
g_object_set (renderer, "editable", TRUE, NULL);
g_signal_connect (renderer, "edited", G_CALLBACK (edited), icon_view);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (icon_view),
renderer,
"text", COL_TEXT,
NULL);
gtk_container_add (GTK_CONTAINER (window), icon_view);
}
if (!gtk_widget_get_visible (window))
gtk_widget_show_all (window);
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}
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