Remove GtkTree completely
This commit is contained in:
Javier Jardón
@ -1,16 +0,0 @@
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CC = gcc
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#CFLAGS = -Wall \
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# -DG_DISABLE_DEPRECATED \
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# -DGDK_DISABLE_DEPRECATED \
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# -DGDK_PIXBUF_DISABLE_DEPRECATED \
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# -DGTK_DISABLE_DEPRECATED
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CFLAGS =
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tree: tree.c
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$(CC) tree.c -o tree $(CFLAGS) `pkg-config gtk+-2.0 --cflags --libs`
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clean:
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rm -f *.o tree
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@ -1,184 +0,0 @@
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#define GTK_ENABLE_BROKEN
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#include "config.h"
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#include <gtk/gtk.h>
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/* for all the GtkItem:: and GtkTreeItem:: signals */
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static void cb_itemsignal( GtkWidget *item,
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gchar *signame )
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{
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const gchar *name;
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GtkLabel *label;
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/* It's a Bin, so it has one child, which we know to be a
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label, so get that */
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label = GTK_LABEL (gtk_bin_get_child (GTK_BIN (item)));
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/* Get the text of the label */
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name = gtk_label_get_text (label);
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/* Get the level of the tree which the item is in */
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g_print ("%s called for item %s->%p, level %d\n", signame, name,
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item, GTK_TREE (item->parent)->level);
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}
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/* Note that this is never called */
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static void cb_unselect_child( GtkWidget *root_tree,
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GtkWidget *child,
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GtkWidget *subtree )
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{
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g_print ("unselect_child called for root tree %p, subtree %p, child %p\n",
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root_tree, subtree, child);
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}
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/* Note that this is called every time the user clicks on an item,
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whether it is already selected or not. */
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static void cb_select_child (GtkWidget *root_tree, GtkWidget *child,
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GtkWidget *subtree)
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{
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g_print ("select_child called for root tree %p, subtree %p, child %p\n",
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root_tree, subtree, child);
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}
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static void cb_selection_changed( GtkWidget *tree )
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{
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GList *i;
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g_print ("selection_change called for tree %p\n", tree);
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g_print ("selected objects are:\n");
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i = GTK_TREE_SELECTION_OLD (tree);
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while (i) {
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const gchar *name;
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GtkLabel *label;
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GtkWidget *item;
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/* Get a GtkWidget pointer from the list node */
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item = GTK_WIDGET (i->data);
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label = GTK_LABEL (gtk_bin_get_child (GTK_BIN (item)));
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name = gtk_label_get_text (label);
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g_print ("\t%s on level %d\n", name, GTK_TREE
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(item->parent)->level);
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i = i->next;
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}
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}
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int main( int argc,
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char *argv[] )
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{
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GtkWidget *window, *scrolled_win, *tree;
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static gchar *itemnames[] = {"Foo", "Bar", "Baz", "Quux",
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"Maurice"};
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gint i;
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gtk_init (&argc, &argv);
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/* a generic toplevel window */
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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g_signal_connect (G_OBJECT (window), "delete_event",
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G_CALLBACK (gtk_main_quit), NULL);
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gtk_container_set_border_width (GTK_CONTAINER (window), 5);
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/* A generic scrolled window */
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scrolled_win = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
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GTK_POLICY_AUTOMATIC,
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GTK_POLICY_AUTOMATIC);
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gtk_widget_set_size_request (scrolled_win, 150, 200);
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gtk_container_add (GTK_CONTAINER (window), scrolled_win);
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gtk_widget_show (scrolled_win);
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/* Create the root tree */
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tree = gtk_tree_new ();
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g_print ("root tree is %p\n", tree);
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/* connect all GtkTree:: signals */
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g_signal_connect (G_OBJECT (tree), "select_child",
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G_CALLBACK (cb_select_child), tree);
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g_signal_connect (G_OBJECT (tree), "unselect_child",
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G_CALLBACK (cb_unselect_child), tree);
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g_signal_connect (G_OBJECT(tree), "selection_changed",
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G_CALLBACK(cb_selection_changed), tree);
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/* Add it to the scrolled window */
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gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_win),
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tree);
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/* Set the selection mode */
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gtk_tree_set_selection_mode (GTK_TREE (tree),
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GTK_SELECTION_MULTIPLE);
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/* Show it */
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gtk_widget_show (tree);
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for (i = 0; i < 5; i++){
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GtkWidget *subtree, *item;
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gint j;
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/* Create a tree item */
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item = gtk_tree_item_new_with_label (itemnames[i]);
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/* Connect all GtkItem:: and GtkTreeItem:: signals */
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g_signal_connect (G_OBJECT (item), "select",
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G_CALLBACK (cb_itemsignal), "select");
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g_signal_connect (G_OBJECT (item), "deselect",
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G_CALLBACK (cb_itemsignal), "deselect");
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g_signal_connect (G_OBJECT (item), "toggle",
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G_CALLBACK (cb_itemsignal), "toggle");
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g_signal_connect (G_OBJECT (item), "expand",
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G_CALLBACK (cb_itemsignal), "expand");
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g_signal_connect (G_OBJECT (item), "collapse",
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G_CALLBACK (cb_itemsignal), "collapse");
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/* Add it to the parent tree */
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gtk_tree_append (GTK_TREE (tree), item);
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/* Show it - this can be done at any time */
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gtk_widget_show (item);
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/* Create this item's subtree */
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subtree = gtk_tree_new ();
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g_print ("-> item %s->%p, subtree %p\n", itemnames[i], item,
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subtree);
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/* This is still necessary if you want these signals to be called
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for the subtree's children. Note that selection_change will be
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signalled for the root tree regardless. */
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g_signal_connect (G_OBJECT (subtree), "select_child",
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G_CALLBACK (cb_select_child), subtree);
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g_signal_connect (G_OBJECT (subtree), "unselect_child",
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G_CALLBACK (cb_unselect_child), subtree);
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/* This has absolutely no effect, because it is completely ignored
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in subtrees */
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gtk_tree_set_selection_mode (GTK_TREE (subtree),
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GTK_SELECTION_SINGLE);
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/* Neither does this, but for a rather different reason - the
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view_mode and view_line values of a tree are propagated to
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subtrees when they are mapped. So, setting it later on would
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actually have a (somewhat unpredictable) effect */
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gtk_tree_set_view_mode (GTK_TREE (subtree), GTK_TREE_VIEW_ITEM);
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/* Set this item's subtree - note that you cannot do this until
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AFTER the item has been added to its parent tree! */
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gtk_tree_item_set_subtree (GTK_TREE_ITEM (item), subtree);
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for (j = 0; j < 5; j++){
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GtkWidget *subitem;
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/* Create a subtree item, in much the same way */
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subitem = gtk_tree_item_new_with_label (itemnames[j]);
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/* Connect all GtkItem:: and GtkTreeItem:: signals */
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g_signal_connect (G_OBJECT (subitem), "select",
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G_CALLBACK (cb_itemsignal), "select");
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g_signal_connect (G_OBJECT (subitem), "deselect",
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G_CALLBACK (cb_itemsignal), "deselect");
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g_signal_connect (G_OBJECT (subitem), "toggle",
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G_CALLBACK (cb_itemsignal), "toggle");
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g_signal_connect (G_OBJECT (subitem), "expand",
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G_CALLBACK (cb_itemsignal), "expand");
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g_signal_connect (G_OBJECT (subitem), "collapse",
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G_CALLBACK (cb_itemsignal), "collapse");
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g_print ("-> -> item %s->%p\n", itemnames[j], subitem);
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/* Add it to its parent tree */
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gtk_tree_append (GTK_TREE (subtree), subitem);
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/* Show it */
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gtk_widget_show (subitem);
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}
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}
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/* Show the window and loop endlessly */
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gtk_widget_show (window);
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gtk_main();
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return 0;
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}
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