forked from AuroraMiddleware/gtk
1023 lines
25 KiB
C
1023 lines
25 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "gtklist.h"
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#include "gtklistitem.h"
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#include "gtkmain.h"
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#include "gtksignal.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 (*GtkListSignal) (GtkObject *object,
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gpointer arg1,
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gpointer data);
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static void gtk_list_class_init (GtkListClass *klass);
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static void gtk_list_init (GtkList *list);
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static void gtk_list_destroy (GtkObject *object);
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static void gtk_list_map (GtkWidget *widget);
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static void gtk_list_unmap (GtkWidget *widget);
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static void gtk_list_realize (GtkWidget *widget);
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static void gtk_list_draw (GtkWidget *widget,
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GdkRectangle *area);
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static gint gtk_list_expose (GtkWidget *widget,
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GdkEventExpose *event);
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static gint gtk_list_motion_notify (GtkWidget *widget,
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GdkEventMotion *event);
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static gint gtk_list_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_list_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static void gtk_list_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_list_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_list_add (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_list_remove (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_list_foreach (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data);
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static void gtk_real_list_select_child (GtkList *list,
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GtkWidget *child);
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static void gtk_real_list_unselect_child (GtkList *list,
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GtkWidget *child);
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static void gtk_list_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 list_signals[LAST_SIGNAL] = { 0 };
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guint
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gtk_list_get_type ()
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{
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static guint list_type = 0;
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if (!list_type)
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{
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GtkTypeInfo list_info =
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{
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"GtkList",
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sizeof (GtkList),
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sizeof (GtkListClass),
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(GtkClassInitFunc) gtk_list_class_init,
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(GtkObjectInitFunc) gtk_list_init,
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(GtkArgSetFunc) NULL,
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(GtkArgGetFunc) NULL,
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};
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list_type = gtk_type_unique (gtk_container_get_type (), &list_info);
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}
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return list_type;
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}
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static void
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gtk_list_class_init (GtkListClass *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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list_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 (GtkListClass, selection_changed),
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gtk_signal_default_marshaller,
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GTK_TYPE_NONE, 0);
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list_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 (GtkListClass, select_child),
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gtk_list_marshal_signal,
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GTK_TYPE_NONE, 1,
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GTK_TYPE_WIDGET);
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list_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 (GtkListClass, unselect_child),
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gtk_list_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, list_signals, LAST_SIGNAL);
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object_class->destroy = gtk_list_destroy;
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widget_class->map = gtk_list_map;
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widget_class->unmap = gtk_list_unmap;
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widget_class->realize = gtk_list_realize;
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widget_class->draw = gtk_list_draw;
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widget_class->expose_event = gtk_list_expose;
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widget_class->motion_notify_event = gtk_list_motion_notify;
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widget_class->button_press_event = gtk_list_button_press;
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widget_class->button_release_event = gtk_list_button_release;
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widget_class->size_request = gtk_list_size_request;
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widget_class->size_allocate = gtk_list_size_allocate;
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container_class->add = gtk_list_add;
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container_class->remove = gtk_list_remove;
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container_class->foreach = gtk_list_foreach;
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class->selection_changed = NULL;
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class->select_child = gtk_real_list_select_child;
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class->unselect_child = gtk_real_list_unselect_child;
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}
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static void
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gtk_list_init (GtkList *list)
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{
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list->children = NULL;
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list->selection = NULL;
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list->timer = 0;
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list->selection_start_pos = 0;
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list->selection_end_pos = 0;
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list->selection_mode = GTK_SELECTION_SINGLE;
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list->scroll_direction = 0;
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list->have_grab = FALSE;
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}
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GtkWidget*
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gtk_list_new ()
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{
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return GTK_WIDGET (gtk_type_new (gtk_list_get_type ()));
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}
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static void
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gtk_list_destroy (GtkObject *object)
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{
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GList *node;
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GtkList *list = GTK_LIST (object);
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for (node = list->children; node; node = node->next)
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{
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GtkWidget *child;
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child = (GtkWidget *)node->data;
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gtk_widget_ref (child);
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gtk_widget_unparent (child);
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gtk_widget_destroy (child);
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gtk_widget_unref (child);
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}
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g_list_free (list->children);
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list->children = NULL;
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for (node = list->selection; node; node = node->next)
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{
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GtkWidget *child;
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child = (GtkWidget *)node->data;
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gtk_widget_unref (child);
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}
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g_list_free (list->selection);
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list->selection = NULL;
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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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void
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gtk_list_insert_items (GtkList *list,
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GList *items,
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gint position)
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{
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GtkWidget *widget;
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GList *tmp_list;
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GList *last;
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gint nchildren;
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g_return_if_fail (list != NULL);
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g_return_if_fail (GTK_IS_LIST (list));
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if (!items)
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return;
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tmp_list = items;
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while (tmp_list)
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{
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widget = tmp_list->data;
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tmp_list = tmp_list->next;
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gtk_widget_set_parent (widget, GTK_WIDGET (list));
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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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}
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nchildren = g_list_length (list->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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if (list->children)
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{
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tmp_list = g_list_last (list->children);
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tmp_list->next = items;
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items->prev = tmp_list;
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}
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else
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{
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list->children = items;
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}
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}
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else
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{
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tmp_list = g_list_nth (list->children, position);
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last = g_list_last (items);
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if (tmp_list->prev)
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tmp_list->prev->next = items;
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last->next = tmp_list;
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items->prev = tmp_list->prev;
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tmp_list->prev = last;
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if (tmp_list == list->children)
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list->children = items;
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}
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if (list->children && !list->selection &&
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(list->selection_mode == GTK_SELECTION_BROWSE))
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{
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widget = list->children->data;
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gtk_list_select_child (list, widget);
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}
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if (GTK_WIDGET_VISIBLE (list))
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gtk_widget_queue_resize (GTK_WIDGET (list));
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}
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void
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gtk_list_append_items (GtkList *list,
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GList *items)
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{
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g_return_if_fail (list != NULL);
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g_return_if_fail (GTK_IS_LIST (list));
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gtk_list_insert_items (list, items, -1);
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}
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void
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gtk_list_prepend_items (GtkList *list,
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GList *items)
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{
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g_return_if_fail (list != NULL);
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g_return_if_fail (GTK_IS_LIST (list));
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gtk_list_insert_items (list, items, 0);
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}
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void
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gtk_list_remove_items (GtkList *list,
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GList *items)
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{
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GtkWidget *widget;
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GList *selected_widgets;
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GList *tmp_list;
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g_return_if_fail (list != NULL);
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g_return_if_fail (GTK_IS_LIST (list));
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tmp_list = items;
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selected_widgets = NULL;
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widget = NULL;
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while (tmp_list)
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{
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widget = tmp_list->data;
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tmp_list = tmp_list->next;
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if (widget->state == GTK_STATE_SELECTED)
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selected_widgets = g_list_prepend (selected_widgets, widget);
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list->children = g_list_remove (list->children, widget);
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if (GTK_WIDGET_MAPPED (widget))
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gtk_widget_unmap (widget);
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gtk_widget_unparent (widget);
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}
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if (selected_widgets)
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{
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tmp_list = selected_widgets;
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while (tmp_list)
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{
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widget = tmp_list->data;
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tmp_list = tmp_list->next;
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gtk_list_unselect_child (list, widget);
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}
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gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
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}
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g_list_free (selected_widgets);
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if (list->children && !list->selection &&
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(list->selection_mode == GTK_SELECTION_BROWSE))
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{
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widget = list->children->data;
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gtk_list_select_child (list, widget);
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}
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if (GTK_WIDGET_VISIBLE (list))
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gtk_widget_queue_resize (GTK_WIDGET (list));
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}
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void
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gtk_list_clear_items (GtkList *list,
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gint start,
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gint end)
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{
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GtkWidget *widget;
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GList *start_list;
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GList *end_list;
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GList *tmp_list;
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gint nchildren;
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gint selection_changed;
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g_return_if_fail (list != NULL);
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g_return_if_fail (GTK_IS_LIST (list));
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nchildren = g_list_length (list->children);
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if (nchildren > 0)
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{
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if ((end < 0) || (end > nchildren))
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end = nchildren;
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g_return_if_fail (start < end);
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start_list = g_list_nth (list->children, start);
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end_list = g_list_nth (list->children, end);
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if (start_list->prev)
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start_list->prev->next = end_list;
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if (end_list && end_list->prev)
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end_list->prev->next = NULL;
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if (end_list)
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end_list->prev = start_list->prev;
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if (start_list == list->children)
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list->children = end_list;
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selection_changed = FALSE;
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widget = NULL;
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tmp_list = start_list;
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while (tmp_list)
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{
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widget = tmp_list->data;
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tmp_list = tmp_list->next;
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if (widget->state == GTK_STATE_SELECTED)
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{
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selection_changed = TRUE;
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list->selection = g_list_remove (list->selection, widget);
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gtk_widget_unref (widget);
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}
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/* list->children = g_list_remove (list->children, widget); */
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/* gtk_widget_unparent (widget); */
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gtk_widget_unparent (widget);
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}
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if (list->children && !list->selection &&
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(list->selection_mode == GTK_SELECTION_BROWSE))
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{
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gtk_list_select_child (list, widget);
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widget = list->children->data;
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}
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if (selection_changed)
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gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
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gtk_widget_queue_resize (GTK_WIDGET (list));
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}
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}
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void
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gtk_list_select_item (GtkList *list,
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gint item)
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{
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GList *tmp_list;
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g_return_if_fail (list != NULL);
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g_return_if_fail (GTK_IS_LIST (list));
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tmp_list = g_list_nth (list->children, item);
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if (tmp_list)
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gtk_list_select_child (list, GTK_WIDGET (tmp_list->data));
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}
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void
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gtk_list_unselect_item (GtkList *list,
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gint item)
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{
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GList *tmp_list;
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g_return_if_fail (list != NULL);
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g_return_if_fail (GTK_IS_LIST (list));
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tmp_list = g_list_nth (list->children, item);
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if (tmp_list)
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gtk_list_unselect_child (list, GTK_WIDGET (tmp_list->data));
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}
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void
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gtk_list_select_child (GtkList *list,
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GtkWidget *child)
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{
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gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECT_CHILD], child);
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}
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void
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gtk_list_unselect_child (GtkList *list,
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GtkWidget *child)
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{
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gtk_signal_emit (GTK_OBJECT (list), list_signals[UNSELECT_CHILD], child);
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}
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gint
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gtk_list_child_position (GtkList *list,
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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 (list != NULL, -1);
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g_return_val_if_fail (GTK_IS_LIST (list), -1);
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g_return_val_if_fail (child != NULL, -1);
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pos = 0;
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children = list->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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|
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pos += 1;
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children = children->next;
|
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}
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|
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return -1;
|
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}
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|
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void
|
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gtk_list_set_selection_mode (GtkList *list,
|
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GtkSelectionMode mode)
|
|
{
|
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g_return_if_fail (list != NULL);
|
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g_return_if_fail (GTK_IS_LIST (list));
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|
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list->selection_mode = mode;
|
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}
|
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|
|
|
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static void
|
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gtk_list_map (GtkWidget *widget)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *child;
|
|
GList *children;
|
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|
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g_return_if_fail (widget != NULL);
|
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g_return_if_fail (GTK_IS_LIST (widget));
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|
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GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
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list = GTK_LIST (widget);
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|
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gdk_window_show (widget->window);
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|
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children = list->children;
|
|
while (children)
|
|
{
|
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child = children->data;
|
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children = children->next;
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|
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if (GTK_WIDGET_VISIBLE (child) &&
|
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!GTK_WIDGET_MAPPED (child))
|
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gtk_widget_map (child);
|
|
}
|
|
}
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|
|
static void
|
|
gtk_list_unmap (GtkWidget *widget)
|
|
{
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (widget));
|
|
|
|
GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
|
|
gdk_window_hide (widget->window);
|
|
}
|
|
|
|
static void
|
|
gtk_list_realize (GtkWidget *widget)
|
|
{
|
|
GdkWindowAttr attributes;
|
|
gint attributes_mask;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (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 (gtk_widget_get_parent_window (widget), &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_list_draw (GtkWidget *widget,
|
|
GdkRectangle *area)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *child;
|
|
GdkRectangle child_area;
|
|
GList *children;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (widget));
|
|
g_return_if_fail (area != NULL);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
list = GTK_LIST (widget);
|
|
|
|
children = list->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (gtk_widget_intersect (child, area, &child_area))
|
|
gtk_widget_draw (child, &child_area);
|
|
}
|
|
}
|
|
}
|
|
|
|
static gint
|
|
gtk_list_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *child;
|
|
GdkEventExpose child_event;
|
|
GList *children;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
{
|
|
list = GTK_LIST (widget);
|
|
|
|
child_event = *event;
|
|
|
|
children = list->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
if (GTK_WIDGET_NO_WINDOW (child) &&
|
|
gtk_widget_intersect (child, &event->area, &child_event.area))
|
|
gtk_widget_event (child, (GdkEvent*) &child_event);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_list_motion_notify (GtkWidget *widget,
|
|
GdkEventMotion *event)
|
|
{
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
g_print ("gtk_list_motion_notify\n");
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_list_button_press (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *item;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
list = GTK_LIST (widget);
|
|
item = gtk_get_event_widget ((GdkEvent*) event);
|
|
|
|
if (!item)
|
|
return FALSE;
|
|
|
|
while (!gtk_type_is_a (GTK_WIDGET_TYPE (item), gtk_list_item_get_type ()))
|
|
item = item->parent;
|
|
|
|
gtk_list_select_child (list, item);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static gint
|
|
gtk_list_button_release (GtkWidget *widget,
|
|
GdkEventButton *event)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *item;
|
|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_LIST (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
list = GTK_LIST (widget);
|
|
item = gtk_get_event_widget ((GdkEvent*) event);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gtk_list_size_request (GtkWidget *widget,
|
|
GtkRequisition *requisition)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *child;
|
|
GList *children;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (widget));
|
|
g_return_if_fail (requisition != NULL);
|
|
|
|
list = GTK_LIST (widget);
|
|
requisition->width = 0;
|
|
requisition->height = 0;
|
|
|
|
children = list->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;
|
|
}
|
|
}
|
|
|
|
requisition->width += GTK_CONTAINER (list)->border_width * 2;
|
|
requisition->height += GTK_CONTAINER (list)->border_width * 2;
|
|
|
|
requisition->width = MAX (requisition->width, 1);
|
|
requisition->height = MAX (requisition->height, 1);
|
|
}
|
|
|
|
static void
|
|
gtk_list_size_allocate (GtkWidget *widget,
|
|
GtkAllocation *allocation)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *child;
|
|
GtkAllocation child_allocation;
|
|
GList *children;
|
|
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (widget));
|
|
g_return_if_fail (allocation != NULL);
|
|
|
|
list = GTK_LIST (widget);
|
|
|
|
widget->allocation = *allocation;
|
|
if (GTK_WIDGET_REALIZED (widget))
|
|
gdk_window_move_resize (widget->window,
|
|
allocation->x, allocation->y,
|
|
allocation->width, allocation->height);
|
|
|
|
if (list->children)
|
|
{
|
|
child_allocation.x = GTK_CONTAINER (list)->border_width;
|
|
child_allocation.y = GTK_CONTAINER (list)->border_width;
|
|
child_allocation.width = allocation->width - child_allocation.x * 2;
|
|
|
|
children = list->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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_list_add (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkList *list;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (container));
|
|
g_return_if_fail (widget != NULL);
|
|
|
|
list = GTK_LIST (container);
|
|
|
|
gtk_widget_set_parent (widget, GTK_WIDGET (container));
|
|
if (GTK_WIDGET_VISIBLE (widget->parent))
|
|
{
|
|
if (GTK_WIDGET_REALIZED (widget->parent) &&
|
|
!GTK_WIDGET_REALIZED (widget))
|
|
gtk_widget_realize (widget);
|
|
|
|
if (GTK_WIDGET_MAPPED (widget->parent) &&
|
|
!GTK_WIDGET_MAPPED (widget))
|
|
gtk_widget_map (widget);
|
|
}
|
|
|
|
list->children = g_list_append (list->children, widget);
|
|
|
|
if (!list->selection && (list->selection_mode == GTK_SELECTION_BROWSE))
|
|
gtk_list_select_child (list, widget);
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
|
|
gtk_widget_queue_resize (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_list_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GList *item_list;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (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_list_remove_items (GTK_LIST (container), item_list);
|
|
|
|
g_list_free (item_list);
|
|
}
|
|
|
|
static void
|
|
gtk_list_foreach (GtkContainer *container,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkList *list;
|
|
GtkWidget *child;
|
|
GList *children;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (container));
|
|
g_return_if_fail (callback != NULL);
|
|
|
|
list = GTK_LIST (container);
|
|
children = list->children;
|
|
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
(* callback) (child, callback_data);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_real_list_select_child (GtkList *list,
|
|
GtkWidget *child)
|
|
{
|
|
GList *selection;
|
|
GList *tmp_list;
|
|
GtkWidget *tmp_item;
|
|
|
|
g_return_if_fail (list != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (list));
|
|
g_return_if_fail (child != NULL);
|
|
g_return_if_fail (GTK_IS_LIST_ITEM (child));
|
|
|
|
switch (list->selection_mode)
|
|
{
|
|
case GTK_SELECTION_SINGLE:
|
|
selection = list->selection;
|
|
|
|
while (selection)
|
|
{
|
|
tmp_item = selection->data;
|
|
|
|
if (tmp_item != child)
|
|
{
|
|
gtk_list_item_deselect (GTK_LIST_ITEM (tmp_item));
|
|
|
|
tmp_list = selection;
|
|
selection = selection->next;
|
|
|
|
list->selection = g_list_remove_link (list->selection, tmp_list);
|
|
gtk_widget_unref (GTK_WIDGET (tmp_item));
|
|
|
|
g_list_free (tmp_list);
|
|
}
|
|
else
|
|
selection = selection->next;
|
|
}
|
|
|
|
if (child->state == GTK_STATE_NORMAL)
|
|
{
|
|
gtk_list_item_select (GTK_LIST_ITEM (child));
|
|
list->selection = g_list_prepend (list->selection, child);
|
|
gtk_widget_ref (child);
|
|
}
|
|
else if (child->state == GTK_STATE_SELECTED)
|
|
{
|
|
gtk_list_item_deselect (GTK_LIST_ITEM (child));
|
|
list->selection = g_list_remove (list->selection, child);
|
|
gtk_widget_unref (child);
|
|
}
|
|
|
|
gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
|
|
break;
|
|
|
|
case GTK_SELECTION_BROWSE:
|
|
selection = list->selection;
|
|
|
|
while (selection)
|
|
{
|
|
tmp_item = selection->data;
|
|
|
|
if (tmp_item != child)
|
|
{
|
|
gtk_list_item_deselect (GTK_LIST_ITEM (tmp_item));
|
|
|
|
tmp_list = selection;
|
|
selection = selection->next;
|
|
|
|
list->selection = g_list_remove_link (list->selection, tmp_list);
|
|
gtk_widget_unref (GTK_WIDGET (tmp_item));
|
|
|
|
g_list_free (tmp_list);
|
|
}
|
|
else
|
|
selection = selection->next;
|
|
}
|
|
|
|
if (child->state == GTK_STATE_NORMAL)
|
|
{
|
|
gtk_list_item_select (GTK_LIST_ITEM (child));
|
|
list->selection = g_list_prepend (list->selection, child);
|
|
gtk_widget_ref (child);
|
|
gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
|
|
}
|
|
break;
|
|
|
|
case GTK_SELECTION_MULTIPLE:
|
|
if (child->state == GTK_STATE_NORMAL)
|
|
{
|
|
gtk_list_item_select (GTK_LIST_ITEM (child));
|
|
list->selection = g_list_prepend (list->selection, child);
|
|
gtk_widget_ref (child);
|
|
gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
|
|
}
|
|
else if (child->state == GTK_STATE_SELECTED)
|
|
{
|
|
gtk_list_item_deselect (GTK_LIST_ITEM (child));
|
|
list->selection = g_list_remove (list->selection, child);
|
|
gtk_widget_unref (child);
|
|
gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
|
|
}
|
|
break;
|
|
|
|
case GTK_SELECTION_EXTENDED:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_real_list_unselect_child (GtkList *list,
|
|
GtkWidget *child)
|
|
{
|
|
g_return_if_fail (list != NULL);
|
|
g_return_if_fail (GTK_IS_LIST (list));
|
|
g_return_if_fail (child != NULL);
|
|
g_return_if_fail (GTK_IS_LIST_ITEM (child));
|
|
|
|
switch (list->selection_mode)
|
|
{
|
|
case GTK_SELECTION_SINGLE:
|
|
case GTK_SELECTION_MULTIPLE:
|
|
case GTK_SELECTION_BROWSE:
|
|
if (child->state == GTK_STATE_SELECTED)
|
|
{
|
|
gtk_list_item_deselect (GTK_LIST_ITEM (child));
|
|
list->selection = g_list_remove (list->selection, child);
|
|
gtk_widget_unref (child);
|
|
gtk_signal_emit (GTK_OBJECT (list), list_signals[SELECTION_CHANGED]);
|
|
}
|
|
break;
|
|
|
|
case GTK_SELECTION_EXTENDED:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_list_marshal_signal (GtkObject *object,
|
|
GtkSignalFunc func,
|
|
gpointer func_data,
|
|
GtkArg *args)
|
|
{
|
|
GtkListSignal rfunc;
|
|
|
|
rfunc = (GtkListSignal) func;
|
|
|
|
(* rfunc) (object, GTK_VALUE_OBJECT (args[0]), func_data);
|
|
}
|