Rename this demo.

2005-07-12  Matthias Clasen  <mclasen@redhat.com>

	* demos/gtk-demo/iconview.c: Rename this demo.

	* demos/gtk-demo/iconview_edit.c: Add a demo for icon view
	editing and drag-and-drop.

diff --git a/ChangeLog b/ChangeLog
index e8461bbae13718edefbbe214626e62f78258d1ba..821a3eee4a969d6709a85389da6f61a0243adf86 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2005-07-12  Matthias Clasen  <mclasen@redhat.com>
 
+       * demos/gtk-demo/iconview.c: Rename this demo.
+
+       * demos/gtk-demo/iconview_edit.c: Add a demo for icon view
+       editing and drag-and-drop.
+
        * demos/gtk-demo/geninclude.pl.in: Accept dashes in demo titles.
 
 2005-07-12  Matthias Clasen  <mclasen@redhat.com>

diff --git a/ChangeLog.pre-2-10 b/ChangeLog.pre-2-10
index e8461bbae13718edefbbe214626e62f78258d1ba..821a3eee4a969d6709a85389da6f61a0243adf86 100644 (file)
--- a/ChangeLog.pre-2-10
+++ b/ChangeLog.pre-2-10
@@ -1,5 +1,10 @@
 2005-07-12  Matthias Clasen  <mclasen@redhat.com>
 
+       * demos/gtk-demo/iconview.c: Rename this demo.
+
+       * demos/gtk-demo/iconview_edit.c: Add a demo for icon view
+       editing and drag-and-drop.
+
        * demos/gtk-demo/geninclude.pl.in: Accept dashes in demo titles.
 
 2005-07-12  Matthias Clasen  <mclasen@redhat.com>

diff --git a/ChangeLog.pre-2-8 b/ChangeLog.pre-2-8
index e8461bbae13718edefbbe214626e62f78258d1ba..821a3eee4a969d6709a85389da6f61a0243adf86 100644 (file)
--- a/ChangeLog.pre-2-8
+++ b/ChangeLog.pre-2-8
@@ -1,5 +1,10 @@
 2005-07-12  Matthias Clasen  <mclasen@redhat.com>
 
+       * demos/gtk-demo/iconview.c: Rename this demo.
+
+       * demos/gtk-demo/iconview_edit.c: Add a demo for icon view
+       editing and drag-and-drop.
+
        * demos/gtk-demo/geninclude.pl.in: Accept dashes in demo titles.
 
 2005-07-12  Matthias Clasen  <mclasen@redhat.com>

diff --git a/demos/gtk-demo/Makefile.am b/demos/gtk-demo/Makefile.am
index c32f454189c93193196995f446f3bf8896515955..04038edb7493212068a97497d5b9413fed4761a5 100644 (file)
--- a/demos/gtk-demo/Makefile.am
+++ b/demos/gtk-demo/Makefile.am
@@ -18,6 +18,7 @@ demos =                                               \
        expander.c                              \
        hypertext.c                             \
        iconview.c                              \
+       iconview_edit.c                         \
        images.c                                \
        list_store.c                            \
        menus.c                                 \

diff --git a/demos/gtk-demo/iconview.c b/demos/gtk-demo/iconview.c
index 5a419231a225ceb88c3bbe8bb09d09671884b985..3fbacfa43ae9f7d247b188f48d3aa45c00aeb435 100644 (file)
--- a/demos/gtk-demo/iconview.c
+++ b/demos/gtk-demo/iconview.c
@@ -1,8 +1,8 @@
-/* Icon View
+/* Icon View/Icon View Basics
  *
- * The GtkIconView widget is used to display and manipulate icons.  It
- * uses a GtkTreeModel for data storage, so the list store example
- * might be helpful.
+ * The GtkIconView widget is used to display and manipulate icons.  
+ * It uses a GtkTreeModel for data storage, so the list store 
+ * example might be helpful.
  */
 
 #include <gtk/gtk.h>
@@ -147,7 +147,7 @@ sort_func (GtkTreeModel *model,
   return ret;
 }
 
-GtkListStore *
+static GtkListStore *
 create_store (void)
 {
   GtkListStore *store;

diff --git a/demos/gtk-demo/iconview_edit.c b/demos/gtk-demo/iconview_edit.c
new file mode 100644 (file)
index 0000000..7798219
--- /dev/null
+++ b/demos/gtk-demo/iconview_edit.c
@@ -0,0 +1,158 @@
+/* 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;
+
+  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;
+      GError *error;
+            
+      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_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_VISIBLE (window))
+    gtk_widget_show_all (window);
+  else
+    {
+      gtk_widget_destroy (window);
+      window = NULL;
+    }
+  
+  return window;
+}
+