Tree widget implementation by Bolliet Jerome.
There is also another tree widget implementation by AOSASA Shigeru <aozasa@sakuranet.or.jp>: ftp://ftp.gimp.org/pub/gtk/contrib/gtk-shige-971216-0.tar.gz -Shawn
This commit is contained in:
Shawn Amundson
956
gtk/gtktree.c
956
gtk/gtktree.c
@ -16,11 +16,63 @@
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "gtktree.h"
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#include "gtktreeitem.h"
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#include "gtkmain.h"
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#include "gtksignal.h"
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#include "gtklist.h"
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enum {
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SELECTION_CHANGED,
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SELECT_CHILD,
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UNSELECT_CHILD,
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LAST_SIGNAL
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};
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typedef void (*GtkTreeSignal) (GtkObject *object,
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gpointer arg1,
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gpointer data);
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static void gtk_tree_class_init (GtkTreeClass *klass);
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static void gtk_tree_init (GtkTree *tree);
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static void gtk_tree_destroy (GtkObject *object);
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static void gtk_tree_map (GtkWidget *widget);
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static void gtk_tree_unmap (GtkWidget *widget);
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static void gtk_tree_realize (GtkWidget *widget);
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static void gtk_tree_draw (GtkWidget *widget,
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GdkRectangle *area);
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static gint gtk_tree_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gint gtk_tree_motion_notify (GtkWidget *widget,
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GdkEventMotion *event);
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static gint gtk_tree_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_tree_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static void gtk_tree_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_tree_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_tree_add (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_tree_remove (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_tree_foreach (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data);
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static void gtk_real_tree_select_child (GtkTree *tree,
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GtkWidget *child);
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static void gtk_real_tree_unselect_child (GtkTree *tree,
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GtkWidget *child);
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static void gtk_tree_marshal_signal (GtkObject *object,
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GtkSignalFunc func,
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gpointer func_data,
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GtkArg *args);
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static GtkContainerClass *parent_class = NULL;
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static gint tree_signals[LAST_SIGNAL] = { 0 };
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guint
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gtk_tree_get_type ()
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@ -48,11 +100,75 @@ gtk_tree_get_type ()
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static void
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gtk_tree_class_init (GtkTreeClass *class)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkContainerClass *container_class;
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object_class = (GtkObjectClass*) class;
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widget_class = (GtkWidgetClass*) class;
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container_class = (GtkContainerClass*) class;
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parent_class = gtk_type_class (gtk_container_get_type ());
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tree_signals[SELECTION_CHANGED] =
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gtk_signal_new ("selection_changed",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkTreeClass, selection_changed),
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gtk_signal_default_marshaller,
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GTK_TYPE_NONE, 0);
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tree_signals[SELECT_CHILD] =
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gtk_signal_new ("select_child",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkTreeClass, select_child),
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gtk_tree_marshal_signal,
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GTK_TYPE_NONE, 1,
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GTK_TYPE_WIDGET);
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tree_signals[UNSELECT_CHILD] =
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gtk_signal_new ("unselect_child",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkTreeClass, unselect_child),
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gtk_tree_marshal_signal,
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GTK_TYPE_NONE, 1,
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GTK_TYPE_WIDGET);
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gtk_object_class_add_signals (object_class, tree_signals, LAST_SIGNAL);
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object_class->destroy = gtk_tree_destroy;
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widget_class->map = gtk_tree_map;
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widget_class->unmap = gtk_tree_unmap;
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widget_class->realize = gtk_tree_realize;
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widget_class->draw = gtk_tree_draw;
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widget_class->expose_event = gtk_tree_expose;
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widget_class->motion_notify_event = gtk_tree_motion_notify;
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widget_class->button_press_event = gtk_tree_button_press;
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widget_class->button_release_event = gtk_tree_button_release;
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widget_class->size_request = gtk_tree_size_request;
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widget_class->size_allocate = gtk_tree_size_allocate;
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container_class->add = gtk_tree_add;
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container_class->remove = gtk_tree_remove;
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container_class->foreach = gtk_tree_foreach;
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class->selection_changed = NULL;
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class->select_child = gtk_real_tree_select_child;
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class->unselect_child = gtk_real_tree_unselect_child;
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}
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static void
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gtk_tree_init (GtkTree *tree)
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{
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tree->children = NULL;
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tree->root_tree = NULL;
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tree->selection = NULL;
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tree->tree_owner = NULL;
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tree->selection_mode = GTK_SELECTION_SINGLE;
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tree->indent_value = 10;
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tree->current_indent = 0;
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tree->view_mode = GTK_TREE_VIEW_LINE;
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}
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GtkWidget*
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@ -65,12 +181,22 @@ void
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gtk_tree_append (GtkTree *tree,
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GtkWidget *child)
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{
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g_return_if_fail (tree != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (child));
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gtk_tree_insert(tree, child, -1);
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}
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void
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gtk_tree_prepend (GtkTree *tree,
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GtkWidget *child)
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{
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g_return_if_fail (tree != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM (child));
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gtk_tree_insert(tree, child, 0);
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}
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void
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@ -78,4 +204,834 @@ gtk_tree_insert (GtkTree *tree,
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GtkWidget *child,
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gint position)
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{
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gint nchildren;
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g_return_if_fail (tree != NULL || child != NULL);
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g_return_if_fail (GTK_IS_TREE_ITEM(child));
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/* set parent widget to item */
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gtk_widget_set_parent (child, GTK_WIDGET (tree));
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if (GTK_WIDGET_VISIBLE (child->parent))
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{
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if (GTK_WIDGET_REALIZED (child->parent) &&
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!GTK_WIDGET_REALIZED (child))
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gtk_widget_realize (child);
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if (GTK_WIDGET_MAPPED (child->parent) &&
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!GTK_WIDGET_MAPPED (child))
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gtk_widget_map (child);
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}
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nchildren = g_list_length (tree->children);
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if ((position < 0) || (position > nchildren))
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position = nchildren;
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if (position == nchildren)
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{
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tree->children = g_list_append(tree->children, child);
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}
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else
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{
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g_list_insert(tree->children, child, position);
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}
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if (GTK_WIDGET_VISIBLE (tree))
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gtk_widget_queue_resize (GTK_WIDGET (tree));
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}
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static void
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gtk_tree_add (GtkContainer *container,
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GtkWidget *widget)
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{
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GtkTree *tree;
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g_return_if_fail (container != NULL);
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g_return_if_fail (GTK_IS_TREE (container));
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g_return_if_fail (widget != NULL);
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tree = GTK_TREE (container);
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gtk_widget_set_parent (widget, GTK_WIDGET (container));
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if (GTK_WIDGET_VISIBLE (widget->parent))
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{
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if (GTK_WIDGET_REALIZED (widget->parent) &&
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!GTK_WIDGET_REALIZED (widget))
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gtk_widget_realize (widget);
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if (GTK_WIDGET_MAPPED (widget->parent) &&
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!GTK_WIDGET_MAPPED (widget))
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gtk_widget_map (widget);
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}
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tree->children = g_list_append (tree->children, widget);
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#ifdef 0
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if (!tree->selection && (tree->selection_mode == GTK_SELECTION_BROWSE))
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{
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gtk_tree_select_child (tree, widget);
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}
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#endif
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if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
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gtk_widget_queue_resize (widget);
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}
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static gint
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gtk_tree_button_press (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkTree *tree;
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GtkWidget *item;
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (GTK_IS_TREE (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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tree = GTK_TREE (widget);
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item = gtk_get_event_widget ((GdkEvent*) event);
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while (!gtk_type_is_a (GTK_WIDGET_TYPE (item), gtk_tree_item_get_type ()))
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item = item->parent;
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switch(event->button)
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{
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case 1:
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gtk_tree_select_child (tree, item);
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break;
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case 2:
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if(GTK_TREE_ITEM(item)->subtree) gtk_tree_item_expand(GTK_TREE_ITEM(item));
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break;
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case 3:
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if(GTK_TREE_ITEM(item)->subtree) gtk_tree_item_collapse(GTK_TREE_ITEM(item));
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break;
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}
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return TRUE;
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}
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static gint
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gtk_tree_button_release (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkTree *tree;
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GtkWidget *item;
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (GTK_IS_TREE (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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tree = GTK_TREE (widget);
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item = gtk_get_event_widget ((GdkEvent*) event);
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return TRUE;
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}
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gint
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gtk_tree_child_position (GtkTree *tree,
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GtkWidget *child)
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{
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GList *children;
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gint pos;
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g_return_val_if_fail (tree != NULL, -1);
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g_return_val_if_fail (GTK_IS_TREE (tree), -1);
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g_return_val_if_fail (child != NULL, -1);
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pos = 0;
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children = tree->children;
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while (children)
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{
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if (child == GTK_WIDGET (children->data))
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return pos;
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pos += 1;
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children = children->next;
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}
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return -1;
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}
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void
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gtk_tree_clear_items (GtkTree *tree,
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gint start,
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gint end)
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{
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g_return_if_fail (tree != NULL);
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g_return_if_fail (GTK_IS_TREE (tree));
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}
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static void
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gtk_tree_destroy (GtkObject *object)
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{
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GtkTree *tree;
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GtkWidget *child;
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GList *children;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GTK_IS_TREE (object));
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tree = GTK_TREE (object);
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children = tree->children;
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while (children)
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{
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child = children->data;
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children = children->next;
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child->parent = NULL;
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gtk_object_unref (GTK_OBJECT (child));
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gtk_widget_destroy (child);
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}
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g_list_free (tree->children);
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if(tree->root_tree == NULL)
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g_list_free (tree->selection);
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if (GTK_OBJECT_CLASS (parent_class)->destroy)
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(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
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}
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static void
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gtk_tree_draw (GtkWidget *widget,
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GdkRectangle *area)
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{
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GtkTree *tree;
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GtkWidget *subtree;
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GtkWidget *child;
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GdkRectangle child_area;
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GList *children;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_TREE (widget));
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g_return_if_fail (area != NULL);
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if (GTK_WIDGET_DRAWABLE (widget))
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{
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tree = GTK_TREE (widget);
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children = tree->children;
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while (children)
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{
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child = children->data;
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children = children->next;
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if (gtk_widget_intersect (child, area, &child_area))
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gtk_widget_draw (child, &child_area);
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if((subtree = GTK_TREE_ITEM(child)->subtree) &&
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GTK_WIDGET_VISIBLE(subtree) &&
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gtk_widget_intersect (subtree, area, &child_area))
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gtk_widget_draw (subtree, &child_area);
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}
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}
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}
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static gint
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gtk_tree_expose (GtkWidget *widget,
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GdkEventExpose *event)
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{
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GtkTree *tree;
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GtkWidget *child;
|
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GdkEventExpose child_event;
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GList *children;
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (GTK_IS_TREE (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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if (GTK_WIDGET_DRAWABLE (widget))
|
||||
{
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tree = GTK_TREE (widget);
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child_event = *event;
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|
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children = tree->children;
|
||||
while (children)
|
||||
{
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||||
child = children->data;
|
||||
children = children->next;
|
||||
|
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if (GTK_WIDGET_NO_WINDOW (child) &&
|
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gtk_widget_intersect (child, &event->area, &child_event.area))
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||||
gtk_widget_event (child, (GdkEvent*) &child_event);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_foreach (GtkContainer *container,
|
||||
GtkCallback callback,
|
||||
gpointer callback_data)
|
||||
{
|
||||
GtkTree *tree;
|
||||
GtkWidget *child;
|
||||
GList *children;
|
||||
|
||||
|
||||
g_return_if_fail (container != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (container));
|
||||
g_return_if_fail (callback != NULL);
|
||||
|
||||
tree = GTK_TREE (container);
|
||||
children = tree->children;
|
||||
|
||||
while (children)
|
||||
{
|
||||
child = children->data;
|
||||
children = children->next;
|
||||
|
||||
(* callback) (child, callback_data);
|
||||
|
||||
if(GTK_TREE_ITEM(child)->subtree)
|
||||
(* callback)(GTK_TREE_ITEM(child)->subtree, callback_data);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_map (GtkWidget *widget)
|
||||
{
|
||||
GtkTree *tree;
|
||||
GtkWidget *child;
|
||||
GList *children;
|
||||
|
||||
|
||||
g_return_if_fail (widget != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (widget));
|
||||
|
||||
GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
|
||||
tree = GTK_TREE (widget);
|
||||
|
||||
gdk_window_show (widget->window);
|
||||
|
||||
if(GTK_IS_TREE(widget->parent))
|
||||
{
|
||||
/* set root tree for this tree */
|
||||
tree->root_tree = GTK_TREE(widget->parent)->root_tree;
|
||||
|
||||
tree->indent_value = GTK_TREE(GTK_WIDGET(tree)->parent)->indent_value;
|
||||
tree->current_indent = GTK_TREE(GTK_WIDGET(tree)->parent)->current_indent +
|
||||
tree->indent_value;
|
||||
tree->view_mode = GTK_TREE(GTK_WIDGET(tree)->parent)->view_mode;
|
||||
} else
|
||||
tree->root_tree = tree;
|
||||
|
||||
children = tree->children;
|
||||
while (children)
|
||||
{
|
||||
child = children->data;
|
||||
children = children->next;
|
||||
|
||||
if (GTK_WIDGET_VISIBLE (child) &&
|
||||
!GTK_WIDGET_MAPPED (child))
|
||||
gtk_widget_map (child);
|
||||
|
||||
if ((child = GTK_WIDGET(GTK_TREE_ITEM(child)->subtree)) &&
|
||||
GTK_WIDGET_VISIBLE (child) &&
|
||||
!GTK_WIDGET_MAPPED (child))
|
||||
gtk_widget_map (child);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_marshal_signal (GtkObject *object,
|
||||
GtkSignalFunc func,
|
||||
gpointer func_data,
|
||||
GtkArg *args)
|
||||
{
|
||||
GtkTreeSignal rfunc;
|
||||
|
||||
rfunc = (GtkTreeSignal) func;
|
||||
|
||||
(* rfunc) (object, GTK_VALUE_OBJECT (args[0]), func_data);
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_tree_motion_notify (GtkWidget *widget,
|
||||
GdkEventMotion *event)
|
||||
{
|
||||
g_return_val_if_fail (widget != NULL, FALSE);
|
||||
g_return_val_if_fail (GTK_IS_TREE (widget), FALSE);
|
||||
g_return_val_if_fail (event != NULL, FALSE);
|
||||
|
||||
g_print("gtk_tree_motion_notify\n");
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_realize (GtkWidget *widget)
|
||||
{
|
||||
GdkWindowAttr attributes;
|
||||
gint attributes_mask;
|
||||
|
||||
|
||||
g_return_if_fail (widget != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (widget));
|
||||
|
||||
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
|
||||
|
||||
attributes.window_type = GDK_WINDOW_CHILD;
|
||||
attributes.x = widget->allocation.x;
|
||||
attributes.y = widget->allocation.y;
|
||||
attributes.width = widget->allocation.width;
|
||||
attributes.height = widget->allocation.height;
|
||||
attributes.wclass = GDK_INPUT_OUTPUT;
|
||||
attributes.visual = gtk_widget_get_visual (widget);
|
||||
attributes.colormap = gtk_widget_get_colormap (widget);
|
||||
attributes.event_mask = GDK_EXPOSURE_MASK;
|
||||
|
||||
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
|
||||
|
||||
widget->window = gdk_window_new (widget->parent->window, &attributes, attributes_mask);
|
||||
gdk_window_set_user_data (widget->window, widget);
|
||||
|
||||
widget->style = gtk_style_attach (widget->style, widget->window);
|
||||
gdk_window_set_background (widget->window, &widget->style->white);
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_remove (GtkContainer *container,
|
||||
GtkWidget *widget)
|
||||
{
|
||||
GList *item_list;
|
||||
|
||||
g_return_if_fail (container != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (container));
|
||||
g_return_if_fail (widget != NULL);
|
||||
g_return_if_fail (container == GTK_CONTAINER (widget->parent));
|
||||
|
||||
item_list = g_list_alloc ();
|
||||
item_list->data = widget;
|
||||
|
||||
gtk_tree_remove_items (GTK_TREE (container), item_list);
|
||||
|
||||
g_list_free (item_list);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_tree_remove_items (GtkTree *tree,
|
||||
GList *items)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GList *selected_widgets;
|
||||
GList *tmp_list;
|
||||
GtkTree *real_tree, *root_tree;
|
||||
|
||||
g_return_if_fail (tree != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (tree));
|
||||
|
||||
root_tree = GTK_TREE(GTK_TREE_ROOT_TREE(tree));
|
||||
tmp_list = items;
|
||||
selected_widgets = NULL;
|
||||
widget = NULL;
|
||||
|
||||
while (tmp_list)
|
||||
{
|
||||
widget = tmp_list->data;
|
||||
tmp_list = tmp_list->next;
|
||||
|
||||
/* get real owner of this widget */
|
||||
real_tree = GTK_TREE(widget->parent);
|
||||
|
||||
if (widget->state == GTK_STATE_SELECTED)
|
||||
selected_widgets = g_list_prepend (selected_widgets, widget);
|
||||
|
||||
/* remove this item of his real parent */
|
||||
real_tree->children = g_list_remove (real_tree->children, widget);
|
||||
|
||||
/* delete subtree if there is no children in it */
|
||||
if(real_tree->children == NULL &&
|
||||
real_tree != root_tree)
|
||||
{
|
||||
gtk_tree_item_remove_subtree(GTK_TREE_ITEM(real_tree->tree_owner));
|
||||
}
|
||||
|
||||
/* remove subtree associate at this item if it exist */
|
||||
if(GTK_TREE_ITEM(widget)->subtree)
|
||||
{
|
||||
if (GTK_WIDGET_MAPPED (GTK_TREE_ITEM(widget)->subtree))
|
||||
gtk_widget_unmap (GTK_TREE_ITEM(widget)->subtree);
|
||||
|
||||
gtk_widget_unparent (GTK_TREE_ITEM(widget)->subtree);
|
||||
}
|
||||
|
||||
/* remove really widget for this item */
|
||||
if (GTK_WIDGET_MAPPED (widget))
|
||||
gtk_widget_unmap (widget);
|
||||
|
||||
gtk_widget_unparent (widget);
|
||||
}
|
||||
|
||||
if (selected_widgets)
|
||||
{
|
||||
tmp_list = selected_widgets;
|
||||
while (tmp_list)
|
||||
{
|
||||
widget = tmp_list->data;
|
||||
tmp_list = tmp_list->next;
|
||||
|
||||
gtk_tree_unselect_child (tree, widget);
|
||||
}
|
||||
}
|
||||
|
||||
g_list_free (selected_widgets);
|
||||
|
||||
if (root_tree->children && !root_tree->selection &&
|
||||
(root_tree->selection_mode == GTK_SELECTION_BROWSE))
|
||||
{
|
||||
widget = root_tree->children->data;
|
||||
gtk_tree_select_child (root_tree, widget);
|
||||
}
|
||||
|
||||
if (GTK_WIDGET_VISIBLE (root_tree))
|
||||
gtk_widget_queue_resize (GTK_WIDGET (root_tree));
|
||||
}
|
||||
|
||||
void
|
||||
gtk_tree_select_child (GtkTree *tree,
|
||||
GtkWidget *child)
|
||||
{
|
||||
|
||||
gtk_signal_emit (GTK_OBJECT (tree), tree_signals[SELECT_CHILD], child);
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
gtk_tree_select_item (GtkTree *tree,
|
||||
gint item)
|
||||
{
|
||||
GList *tmp_list;
|
||||
|
||||
|
||||
g_return_if_fail (tree != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (tree));
|
||||
|
||||
tmp_list = g_list_nth (tree->children, item);
|
||||
if (tmp_list)
|
||||
gtk_tree_select_child (tree, GTK_WIDGET (tmp_list->data));
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_size_allocate (GtkWidget *widget,
|
||||
GtkAllocation *allocation)
|
||||
{
|
||||
GtkTree *tree;
|
||||
GtkWidget *child, *subtree;
|
||||
GtkAllocation child_allocation;
|
||||
GList *children;
|
||||
|
||||
|
||||
g_return_if_fail (widget != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (widget));
|
||||
g_return_if_fail (allocation != NULL);
|
||||
|
||||
tree = GTK_TREE (widget);
|
||||
|
||||
widget->allocation = *allocation;
|
||||
if (GTK_WIDGET_REALIZED (widget))
|
||||
gdk_window_move_resize (widget->window,
|
||||
allocation->x, allocation->y,
|
||||
allocation->width, allocation->height);
|
||||
|
||||
if (tree->children)
|
||||
{
|
||||
child_allocation.x = GTK_CONTAINER (tree)->border_width;
|
||||
child_allocation.y = GTK_CONTAINER (tree)->border_width;
|
||||
child_allocation.width = allocation->width - child_allocation.x * 2;
|
||||
|
||||
children = tree->children;
|
||||
|
||||
while (children)
|
||||
{
|
||||
child = children->data;
|
||||
children = children->next;
|
||||
|
||||
if (GTK_WIDGET_VISIBLE (child))
|
||||
{
|
||||
child_allocation.height = child->requisition.height;
|
||||
|
||||
gtk_widget_size_allocate (child, &child_allocation);
|
||||
|
||||
child_allocation.y += child_allocation.height;
|
||||
|
||||
if((subtree = GTK_TREE_ITEM(child)->subtree))
|
||||
if(GTK_WIDGET_VISIBLE (subtree))
|
||||
{
|
||||
child_allocation.height = subtree->requisition.height;
|
||||
gtk_widget_size_allocate (subtree, &child_allocation);
|
||||
child_allocation.y += child_allocation.height;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_size_request (GtkWidget *widget,
|
||||
GtkRequisition *requisition)
|
||||
{
|
||||
GtkTree *tree;
|
||||
GtkWidget *child, *subtree;
|
||||
GList *children;
|
||||
|
||||
|
||||
g_return_if_fail (widget != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (widget));
|
||||
g_return_if_fail (requisition != NULL);
|
||||
|
||||
tree = GTK_TREE (widget);
|
||||
requisition->width = 0;
|
||||
requisition->height = 0;
|
||||
|
||||
children = tree->children;
|
||||
while (children)
|
||||
{
|
||||
child = children->data;
|
||||
children = children->next;
|
||||
|
||||
if (GTK_WIDGET_VISIBLE (child))
|
||||
{
|
||||
gtk_widget_size_request (child, &child->requisition);
|
||||
|
||||
requisition->width = MAX (requisition->width, child->requisition.width);
|
||||
requisition->height += child->requisition.height;
|
||||
|
||||
if((subtree = GTK_TREE_ITEM(child)->subtree) &&
|
||||
GTK_WIDGET_VISIBLE (subtree))
|
||||
{
|
||||
gtk_widget_size_request (subtree, &subtree->requisition);
|
||||
|
||||
requisition->width = MAX (requisition->width,
|
||||
subtree->requisition.width);
|
||||
|
||||
requisition->height += subtree->requisition.height;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
requisition->width += GTK_CONTAINER (tree)->border_width * 2;
|
||||
requisition->height += GTK_CONTAINER (tree)->border_width * 2;
|
||||
|
||||
requisition->width = MAX (requisition->width, 1);
|
||||
requisition->height = MAX (requisition->height, 1);
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_tree_unmap (GtkWidget *widget)
|
||||
{
|
||||
|
||||
g_return_if_fail (widget != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (widget));
|
||||
|
||||
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
|
||||
gdk_window_hide (widget->window);
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
gtk_tree_unselect_child (GtkTree *tree,
|
||||
GtkWidget *child)
|
||||
{
|
||||
gtk_signal_emit (GTK_OBJECT (tree), tree_signals[UNSELECT_CHILD], child);
|
||||
}
|
||||
|
||||
void
|
||||
gtk_tree_unselect_item (GtkTree *tree,
|
||||
gint item)
|
||||
{
|
||||
GList *tmp_list;
|
||||
|
||||
|
||||
g_return_if_fail (tree != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (tree));
|
||||
|
||||
tmp_list = g_list_nth (tree->children, item);
|
||||
if (tmp_list)
|
||||
gtk_tree_unselect_child (tree, GTK_WIDGET (tmp_list->data));
|
||||
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_real_tree_select_child (GtkTree *tree,
|
||||
GtkWidget *child)
|
||||
{
|
||||
GList *selection, *root_selection;
|
||||
GList *tmp_list;
|
||||
GtkWidget *tmp_item;
|
||||
|
||||
|
||||
g_return_if_fail (tree != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (tree));
|
||||
g_return_if_fail (child != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE_ITEM (child));
|
||||
|
||||
root_selection = tree->root_tree->selection;
|
||||
|
||||
switch (tree->root_tree->selection_mode)
|
||||
{
|
||||
case GTK_SELECTION_SINGLE:
|
||||
|
||||
selection = root_selection;
|
||||
|
||||
/* remove old selection list */
|
||||
while (selection)
|
||||
{
|
||||
tmp_item = selection->data;
|
||||
|
||||
if (tmp_item != child)
|
||||
{
|
||||
gtk_tree_item_deselect (GTK_TREE_ITEM (tmp_item));
|
||||
|
||||
tmp_list = selection;
|
||||
selection = selection->next;
|
||||
|
||||
root_selection = g_list_remove_link (root_selection, tmp_list);
|
||||
|
||||
g_list_free (tmp_list);
|
||||
}
|
||||
else
|
||||
selection = selection->next;
|
||||
}
|
||||
|
||||
if (child->state == GTK_STATE_NORMAL)
|
||||
{
|
||||
gtk_tree_item_select (GTK_TREE_ITEM (child));
|
||||
root_selection = g_list_prepend (root_selection, child);
|
||||
}
|
||||
else if (child->state == GTK_STATE_SELECTED)
|
||||
{
|
||||
gtk_tree_item_deselect (GTK_TREE_ITEM (child));
|
||||
root_selection = g_list_remove (root_selection, child);
|
||||
}
|
||||
|
||||
tree->root_tree->selection= root_selection;
|
||||
|
||||
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
|
||||
tree_signals[SELECTION_CHANGED]);
|
||||
|
||||
case GTK_SELECTION_BROWSE:
|
||||
selection = root_selection;
|
||||
|
||||
while (selection)
|
||||
{
|
||||
tmp_item = selection->data;
|
||||
|
||||
if (tmp_item != child)
|
||||
{
|
||||
gtk_tree_item_deselect (GTK_TREE_ITEM (tmp_item));
|
||||
|
||||
tmp_list = selection;
|
||||
selection = selection->next;
|
||||
|
||||
root_selection = g_list_remove_link (root_selection, tmp_list);
|
||||
|
||||
g_list_free (tmp_list);
|
||||
}
|
||||
else
|
||||
selection = selection->next;
|
||||
}
|
||||
|
||||
tree->root_tree->selection= root_selection;
|
||||
|
||||
if (child->state == GTK_STATE_NORMAL)
|
||||
{
|
||||
gtk_tree_item_select (GTK_TREE_ITEM (child));
|
||||
root_selection = g_list_prepend (root_selection, child);
|
||||
tree->root_tree->selection= root_selection;
|
||||
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
|
||||
tree_signals[SELECTION_CHANGED]);
|
||||
}
|
||||
break;
|
||||
|
||||
case GTK_SELECTION_MULTIPLE:
|
||||
if (child->state == GTK_STATE_NORMAL)
|
||||
{
|
||||
gtk_tree_item_select (GTK_TREE_ITEM (child));
|
||||
root_selection = g_list_prepend (root_selection, child);
|
||||
tree->root_tree->selection= root_selection;
|
||||
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
|
||||
tree_signals[SELECTION_CHANGED]);
|
||||
}
|
||||
else if (child->state == GTK_STATE_SELECTED)
|
||||
{
|
||||
gtk_tree_item_deselect (GTK_TREE_ITEM (child));
|
||||
root_selection = g_list_remove (root_selection, child);
|
||||
tree->root_tree->selection= root_selection;
|
||||
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
|
||||
tree_signals[SELECTION_CHANGED]);
|
||||
}
|
||||
break;
|
||||
|
||||
case GTK_SELECTION_EXTENDED:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_real_tree_unselect_child (GtkTree *tree,
|
||||
GtkWidget *child)
|
||||
{
|
||||
|
||||
g_return_if_fail (tree != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (tree));
|
||||
g_return_if_fail (child != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE_ITEM (child));
|
||||
|
||||
switch (tree->selection_mode)
|
||||
{
|
||||
case GTK_SELECTION_SINGLE:
|
||||
case GTK_SELECTION_MULTIPLE:
|
||||
case GTK_SELECTION_BROWSE:
|
||||
if (child->state == GTK_STATE_SELECTED)
|
||||
{
|
||||
GtkTree* root_tree = GTK_TREE_ROOT_TREE(tree);
|
||||
gtk_tree_item_deselect (GTK_TREE_ITEM (child));
|
||||
root_tree->selection = g_list_remove (root_tree->selection, child);
|
||||
gtk_signal_emit (GTK_OBJECT (tree->root_tree),
|
||||
tree_signals[SELECTION_CHANGED]);
|
||||
}
|
||||
break;
|
||||
|
||||
case GTK_SELECTION_EXTENDED:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
gtk_tree_set_selection_mode (GtkTree *tree,
|
||||
GtkSelectionMode mode)
|
||||
{
|
||||
g_return_if_fail (tree != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (tree));
|
||||
|
||||
tree->selection_mode = mode;
|
||||
}
|
||||
|
||||
void
|
||||
gtk_tree_set_view_mode (GtkTree *tree,
|
||||
GtkTreeViewMode mode)
|
||||
{
|
||||
g_return_if_fail (tree != NULL);
|
||||
g_return_if_fail (GTK_IS_TREE (tree));
|
||||
|
||||
tree->view_mode = mode;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user