forked from AuroraMiddleware/gtk
7c30f2a15f
Use common marshalling routines instead of having widget-private ones. It compiles & links. testgtk segfaults. I'm convinced that is Somebody Else's Problem (marshalling routine gets func_data=0x0 and blithely passes it on) but the fact that it happens now & not before makes me wrong :-)
658 lines
18 KiB
C
658 lines
18 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
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtkmain.h"
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#include "gtkmenuitem.h"
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#include "gtkmenushell.h"
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#include "gtksignal.h"
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#define MENU_SHELL_TIMEOUT 500
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#define MENU_SHELL_CLASS(w) GTK_MENU_SHELL_CLASS (GTK_OBJECT (w)->klass)
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enum {
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DEACTIVATE,
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SELECTION_DONE,
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LAST_SIGNAL
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};
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static void gtk_menu_shell_class_init (GtkMenuShellClass *klass);
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static void gtk_menu_shell_init (GtkMenuShell *menu_shell);
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static void gtk_menu_shell_map (GtkWidget *widget);
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static void gtk_menu_shell_realize (GtkWidget *widget);
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static gint gtk_menu_shell_button_press (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_menu_shell_button_release (GtkWidget *widget,
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GdkEventButton *event);
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static gint gtk_menu_shell_enter_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static gint gtk_menu_shell_leave_notify (GtkWidget *widget,
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GdkEventCrossing *event);
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static void gtk_menu_shell_add (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_menu_shell_remove (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_menu_shell_foreach (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data);
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static void gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell);
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static gint gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
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GtkWidget *child);
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static GtkWidget *gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
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GdkEvent *event);
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static GtkType gtk_menu_shell_child_type (GtkContainer *container);
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static GtkContainerClass *parent_class = NULL;
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static guint menu_shell_signals[LAST_SIGNAL] = { 0 };
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GtkType
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gtk_menu_shell_get_type (void)
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{
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static GtkType menu_shell_type = 0;
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if (!menu_shell_type)
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{
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GtkTypeInfo menu_shell_info =
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{
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"GtkMenuShell",
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sizeof (GtkMenuShell),
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sizeof (GtkMenuShellClass),
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(GtkClassInitFunc) gtk_menu_shell_class_init,
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(GtkObjectInitFunc) gtk_menu_shell_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL,
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};
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menu_shell_type = gtk_type_unique (gtk_container_get_type (), &menu_shell_info);
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}
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return menu_shell_type;
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}
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static void
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gtk_menu_shell_class_init (GtkMenuShellClass *klass)
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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*) klass;
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widget_class = (GtkWidgetClass*) klass;
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container_class = (GtkContainerClass*) klass;
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parent_class = gtk_type_class (gtk_container_get_type ());
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menu_shell_signals[DEACTIVATE] =
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gtk_signal_new ("deactivate",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkMenuShellClass, deactivate),
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gtk_marshal_NONE__NONE,
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GTK_TYPE_NONE, 0);
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menu_shell_signals[SELECTION_DONE] =
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gtk_signal_new ("selection-done",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET (GtkMenuShellClass, selection_done),
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gtk_marshal_NONE__NONE,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (object_class, menu_shell_signals, LAST_SIGNAL);
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widget_class->map = gtk_menu_shell_map;
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widget_class->realize = gtk_menu_shell_realize;
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widget_class->button_press_event = gtk_menu_shell_button_press;
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widget_class->button_release_event = gtk_menu_shell_button_release;
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widget_class->enter_notify_event = gtk_menu_shell_enter_notify;
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widget_class->leave_notify_event = gtk_menu_shell_leave_notify;
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container_class->add = gtk_menu_shell_add;
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container_class->remove = gtk_menu_shell_remove;
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container_class->foreach = gtk_menu_shell_foreach;
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container_class->child_type = gtk_menu_shell_child_type;
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klass->submenu_placement = GTK_TOP_BOTTOM;
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klass->deactivate = gtk_real_menu_shell_deactivate;
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klass->selection_done = NULL;
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}
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static GtkType
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gtk_menu_shell_child_type (GtkContainer *container)
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{
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return GTK_TYPE_MENU_ITEM;
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}
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static void
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gtk_menu_shell_init (GtkMenuShell *menu_shell)
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{
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menu_shell->children = NULL;
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menu_shell->active_menu_item = NULL;
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menu_shell->parent_menu_shell = NULL;
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menu_shell->active = FALSE;
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menu_shell->have_grab = FALSE;
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menu_shell->have_xgrab = FALSE;
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menu_shell->ignore_leave = FALSE;
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menu_shell->button = 0;
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menu_shell->menu_flag = 0;
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menu_shell->activate_time = 0;
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}
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void
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gtk_menu_shell_append (GtkMenuShell *menu_shell,
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GtkWidget *child)
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{
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gtk_menu_shell_insert (menu_shell, child, -1);
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}
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void
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gtk_menu_shell_prepend (GtkMenuShell *menu_shell,
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GtkWidget *child)
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{
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gtk_menu_shell_insert (menu_shell, child, 0);
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}
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void
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gtk_menu_shell_insert (GtkMenuShell *menu_shell,
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GtkWidget *child,
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gint position)
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{
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GList *tmp_list;
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GList *new_list;
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gint nchildren;
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g_return_if_fail (menu_shell != NULL);
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g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
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g_return_if_fail (child != NULL);
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g_return_if_fail (GTK_IS_MENU_ITEM (child));
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gtk_widget_set_parent (child, GTK_WIDGET (menu_shell));
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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 (menu_shell->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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menu_shell->children = g_list_append (menu_shell->children, child);
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}
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else
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{
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tmp_list = g_list_nth (menu_shell->children, position);
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new_list = g_list_alloc ();
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new_list->data = child;
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if (tmp_list->prev)
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tmp_list->prev->next = new_list;
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new_list->next = tmp_list;
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new_list->prev = tmp_list->prev;
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tmp_list->prev = new_list;
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if (tmp_list == menu_shell->children)
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menu_shell->children = new_list;
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}
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if (GTK_WIDGET_VISIBLE (menu_shell))
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gtk_widget_queue_resize (GTK_WIDGET (menu_shell));
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}
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void
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gtk_menu_shell_deactivate (GtkMenuShell *menu_shell)
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{
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g_return_if_fail (menu_shell != NULL);
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g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
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gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[DEACTIVATE]);
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}
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static void
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gtk_menu_shell_map (GtkWidget *widget)
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{
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GtkMenuShell *menu_shell;
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GtkWidget *child;
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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_MENU_SHELL (widget));
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menu_shell = GTK_MENU_SHELL (widget);
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GTK_WIDGET_SET_FLAGS (menu_shell, GTK_MAPPED);
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gdk_window_show (widget->window);
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children = menu_shell->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_VISIBLE (child) && !GTK_WIDGET_MAPPED (child))
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gtk_widget_map (child);
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}
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}
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static void
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gtk_menu_shell_realize (GtkWidget *widget)
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{
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GdkWindowAttr attributes;
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gint attributes_mask;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_MENU_SHELL (widget));
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GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
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attributes.x = widget->allocation.x;
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attributes.y = widget->allocation.y;
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attributes.width = widget->allocation.width;
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attributes.height = widget->allocation.height;
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attributes.window_type = GDK_WINDOW_CHILD;
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attributes.wclass = GDK_INPUT_OUTPUT;
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attributes.visual = gtk_widget_get_visual (widget);
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attributes.colormap = gtk_widget_get_colormap (widget);
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attributes.event_mask = gtk_widget_get_events (widget);
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attributes.event_mask |= (GDK_EXPOSURE_MASK |
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GDK_BUTTON_PRESS_MASK |
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GDK_BUTTON_RELEASE_MASK |
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GDK_ENTER_NOTIFY_MASK |
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GDK_LEAVE_NOTIFY_MASK);
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attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
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widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
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gdk_window_set_user_data (widget->window, widget);
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widget->style = gtk_style_attach (widget->style, widget->window);
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gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
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}
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static gint
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gtk_menu_shell_button_press (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkMenuShell *menu_shell;
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GtkWidget *menu_item;
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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if (event->type != GDK_BUTTON_PRESS)
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return FALSE;
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menu_shell = GTK_MENU_SHELL (widget);
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if (menu_shell->parent_menu_shell)
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{
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gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
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}
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else if (!menu_shell->active || !menu_shell->button)
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{
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if (!menu_shell->active)
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{
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gtk_grab_add (GTK_WIDGET (widget));
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menu_shell->have_grab = TRUE;
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menu_shell->active = TRUE;
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}
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menu_shell->button = event->button;
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menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent *)event);
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if (menu_item &&
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GTK_WIDGET_IS_SENSITIVE (menu_item))
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{
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if ((menu_item->parent == widget) &&
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(menu_item != menu_shell->active_menu_item))
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{
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if (menu_shell->active_menu_item)
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gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
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menu_shell->active_menu_item = menu_item;
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gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
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MENU_SHELL_CLASS (menu_shell)->submenu_placement);
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gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
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}
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}
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}
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else
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{
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widget = gtk_get_event_widget ((GdkEvent*) event);
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if (widget == GTK_WIDGET (menu_shell))
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{
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gtk_menu_shell_deactivate (menu_shell);
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gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
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}
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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_menu_shell_button_release (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkMenuShell *menu_shell;
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GtkWidget *menu_item;
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gint deactivate;
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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menu_shell = GTK_MENU_SHELL (widget);
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if (menu_shell->active)
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{
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if (menu_shell->button && (event->button != menu_shell->button))
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{
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menu_shell->button = 0;
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if (menu_shell->parent_menu_shell)
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gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
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return TRUE;
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}
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menu_shell->button = 0;
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menu_item = gtk_menu_shell_get_item (menu_shell, (GdkEvent*) event);
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deactivate = TRUE;
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if ((event->time - menu_shell->activate_time) > MENU_SHELL_TIMEOUT)
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{
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if (menu_item && (menu_shell->active_menu_item == menu_item))
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{
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if (GTK_MENU_ITEM (menu_item)->submenu == NULL)
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{
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gtk_menu_shell_deactivate (menu_shell);
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/* flush the x-queue, so any grabs are removed and
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* the menu is actually taken down
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*/
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gdk_flush ();
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gtk_widget_activate (menu_item);
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gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
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return TRUE;
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}
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}
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else if (menu_shell->parent_menu_shell)
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{
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menu_shell->active = TRUE;
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gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
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return TRUE;
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}
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}
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else
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deactivate = FALSE;
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/* If the button click was very fast, or we ended up on a submenu,
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* leave the menu up
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*/
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if (!deactivate ||
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(menu_item && (menu_shell->active_menu_item == menu_item)))
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{
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deactivate = FALSE;
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menu_shell->ignore_leave = TRUE;
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}
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else
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deactivate = TRUE;
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if (deactivate)
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{
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gtk_menu_shell_deactivate (menu_shell);
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gtk_signal_emit (GTK_OBJECT (menu_shell), menu_shell_signals[SELECTION_DONE]);
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}
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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_menu_shell_enter_notify (GtkWidget *widget,
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GdkEventCrossing *event)
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{
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GtkMenuShell *menu_shell;
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GtkWidget *menu_item;
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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menu_shell = GTK_MENU_SHELL (widget);
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if (menu_shell->active)
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{
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menu_item = gtk_get_event_widget ((GdkEvent*) event);
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if (!menu_item || !GTK_WIDGET_IS_SENSITIVE (menu_item))
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return TRUE;
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if ((menu_item->parent == widget) &&
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(menu_shell->active_menu_item != menu_item) &&
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GTK_IS_MENU_ITEM (menu_item))
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{
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if ((event->detail != GDK_NOTIFY_INFERIOR) &&
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(GTK_WIDGET_STATE (menu_item) != GTK_STATE_PRELIGHT))
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{
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if (menu_shell->active_menu_item)
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gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
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menu_shell->active_menu_item = menu_item;
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gtk_menu_item_set_placement (GTK_MENU_ITEM (menu_shell->active_menu_item),
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MENU_SHELL_CLASS (menu_shell)->submenu_placement);
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gtk_menu_item_select (GTK_MENU_ITEM (menu_shell->active_menu_item));
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if (GTK_MENU_ITEM (menu_shell->active_menu_item)->submenu)
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gtk_widget_activate (menu_shell->active_menu_item);
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}
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}
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else if (menu_shell->parent_menu_shell)
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{
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gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
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}
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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_menu_shell_leave_notify (GtkWidget *widget,
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GdkEventCrossing *event)
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{
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GtkMenuShell *menu_shell;
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GtkMenuItem *menu_item;
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GtkWidget *event_widget;
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|
|
|
g_return_val_if_fail (widget != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_MENU_SHELL (widget), FALSE);
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GTK_WIDGET_VISIBLE (widget))
|
|
{
|
|
menu_shell = GTK_MENU_SHELL (widget);
|
|
event_widget = gtk_get_event_widget ((GdkEvent*) event);
|
|
|
|
if (!event_widget || !GTK_IS_MENU_ITEM (event_widget))
|
|
return TRUE;
|
|
|
|
menu_item = GTK_MENU_ITEM (event_widget);
|
|
|
|
if (menu_shell->ignore_leave)
|
|
{
|
|
menu_shell->ignore_leave = FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
if (!GTK_WIDGET_IS_SENSITIVE (menu_item))
|
|
return TRUE;
|
|
|
|
if ((menu_shell->active_menu_item == event_widget) &&
|
|
(menu_item->submenu == NULL))
|
|
{
|
|
if ((event->detail != GDK_NOTIFY_INFERIOR) &&
|
|
(GTK_WIDGET_STATE (menu_item) != GTK_STATE_NORMAL))
|
|
{
|
|
gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
|
|
menu_shell->active_menu_item = NULL;
|
|
}
|
|
}
|
|
else if (menu_shell->parent_menu_shell)
|
|
{
|
|
gtk_widget_event (menu_shell->parent_menu_shell, (GdkEvent*) event);
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
gtk_menu_shell_add (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
gtk_menu_shell_append (GTK_MENU_SHELL (container), widget);
|
|
}
|
|
|
|
static void
|
|
gtk_menu_shell_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
gint was_visible;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_SHELL (container));
|
|
g_return_if_fail (widget != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_ITEM (widget));
|
|
|
|
was_visible = GTK_WIDGET_VISIBLE (widget);
|
|
menu_shell = GTK_MENU_SHELL (container);
|
|
menu_shell->children = g_list_remove (menu_shell->children, widget);
|
|
|
|
gtk_widget_unparent (widget);
|
|
|
|
/* queue resize regardless of GTK_WIDGET_VISIBLE (container),
|
|
* since that's what is needed by toplevels.
|
|
*/
|
|
if (was_visible)
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
}
|
|
|
|
static void
|
|
gtk_menu_shell_foreach (GtkContainer *container,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkMenuShell *menu_shell;
|
|
GtkWidget *child;
|
|
GList *children;
|
|
|
|
g_return_if_fail (container != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_SHELL (container));
|
|
g_return_if_fail (callback != NULL);
|
|
|
|
menu_shell = GTK_MENU_SHELL (container);
|
|
|
|
children = menu_shell->children;
|
|
while (children)
|
|
{
|
|
child = children->data;
|
|
children = children->next;
|
|
|
|
(* callback) (child, callback_data);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
gtk_real_menu_shell_deactivate (GtkMenuShell *menu_shell)
|
|
{
|
|
g_return_if_fail (menu_shell != NULL);
|
|
g_return_if_fail (GTK_IS_MENU_SHELL (menu_shell));
|
|
|
|
if (menu_shell->active)
|
|
{
|
|
menu_shell->button = 0;
|
|
menu_shell->active = FALSE;
|
|
|
|
if (menu_shell->active_menu_item)
|
|
{
|
|
gtk_menu_item_deselect (GTK_MENU_ITEM (menu_shell->active_menu_item));
|
|
menu_shell->active_menu_item = NULL;
|
|
}
|
|
|
|
if (menu_shell->have_grab)
|
|
{
|
|
menu_shell->have_grab = FALSE;
|
|
gtk_grab_remove (GTK_WIDGET (menu_shell));
|
|
}
|
|
if (menu_shell->have_xgrab)
|
|
{
|
|
menu_shell->have_xgrab = FALSE;
|
|
gdk_pointer_ungrab (GDK_CURRENT_TIME);
|
|
}
|
|
}
|
|
}
|
|
|
|
static gint
|
|
gtk_menu_shell_is_item (GtkMenuShell *menu_shell,
|
|
GtkWidget *child)
|
|
{
|
|
GtkWidget *parent;
|
|
|
|
g_return_val_if_fail (menu_shell != NULL, FALSE);
|
|
g_return_val_if_fail (GTK_IS_MENU_SHELL (menu_shell), FALSE);
|
|
g_return_val_if_fail (child != NULL, FALSE);
|
|
|
|
parent = child->parent;
|
|
while (parent && GTK_IS_MENU_SHELL (parent))
|
|
{
|
|
if (parent == (GtkWidget*) menu_shell)
|
|
return TRUE;
|
|
parent = GTK_MENU_SHELL (parent)->parent_menu_shell;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static GtkWidget *
|
|
gtk_menu_shell_get_item (GtkMenuShell *menu_shell,
|
|
GdkEvent *event)
|
|
{
|
|
GtkWidget *menu_item;
|
|
|
|
menu_item = gtk_get_event_widget ((GdkEvent*) event);
|
|
|
|
while (menu_item && !GTK_IS_MENU_ITEM (menu_item))
|
|
menu_item = menu_item->parent;
|
|
|
|
if (menu_item && gtk_menu_shell_is_item (menu_shell, menu_item))
|
|
return menu_item;
|
|
else
|
|
return NULL;
|
|
}
|
|
|