--- a/plugins/ticker/gtkticker.c Mon Apr 16 00:43:53 2007 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,514 +0,0 @@
-/* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/*
- * GtkTicker Copyright 2000 Syd Logan
- */
-
-#include "gtkticker.h"
-#include <gtk/gtk.h>
-
-static void gtk_ticker_compute_offsets (GtkTicker *ticker);
-static void gtk_ticker_class_init (GtkTickerClass *klass);
-static void gtk_ticker_init (GtkTicker *ticker);
-static void gtk_ticker_map (GtkWidget *widget);
-static void gtk_ticker_realize (GtkWidget *widget);
-static void gtk_ticker_size_request (GtkWidget *widget,
- GtkRequisition *requisition);
-static void gtk_ticker_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation);
-static void gtk_ticker_add_real (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_ticker_remove_real (GtkContainer *container,
- GtkWidget *widget);
-static void gtk_ticker_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data);
-static GtkType gtk_ticker_child_type (GtkContainer *container);
-
-
-static GtkContainerClass *parent_class = NULL;
-
-
-GType gtk_ticker_get_type (void)
-{
- static GType ticker_type = 0;
-
- ticker_type = g_type_from_name("GtkTicker");
-
- if (!ticker_type)
- {
- static const GTypeInfo ticker_info =
- {
- sizeof(GtkTickerClass),
- NULL,
- NULL,
- (GClassInitFunc) gtk_ticker_class_init,
- NULL,
- NULL,
- sizeof(GtkTicker),
- 0,
- (GInstanceInitFunc) gtk_ticker_init,
- NULL
- };
-
- ticker_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkTicker",
- &ticker_info, 0);
- }
-
- /* kludge to re-initialise the class if it's already registered */
- else if (parent_class == NULL) {
- gtk_ticker_class_init((GtkTickerClass *)g_type_class_peek(ticker_type));
- }
-
- return ticker_type;
-}
-
-static void gtk_ticker_finalize(GObject *object) {
- gtk_ticker_stop_scroll(GTK_TICKER(object));
-
- G_OBJECT_CLASS(parent_class)->finalize(object);
-}
-
-static void gtk_ticker_class_init (GtkTickerClass *class)
-{
- GObjectClass *gobject_class;
- GtkWidgetClass *widget_class;
- GtkContainerClass *container_class;
-
- gobject_class = (GObjectClass*) class;
- widget_class = (GtkWidgetClass*) class;
- container_class = (GtkContainerClass*) class;
-
- parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
-
- gobject_class->finalize = gtk_ticker_finalize;
-
- widget_class->map = gtk_ticker_map;
- widget_class->realize = gtk_ticker_realize;
- widget_class->size_request = gtk_ticker_size_request;
- widget_class->size_allocate = gtk_ticker_size_allocate;
-
- container_class->add = gtk_ticker_add_real;
- container_class->remove = gtk_ticker_remove_real;
- container_class->forall = gtk_ticker_forall;
- container_class->child_type = gtk_ticker_child_type;
-}
-
-static GtkType gtk_ticker_child_type (GtkContainer *container)
-{
- return GTK_TYPE_WIDGET;
-}
-
-static void gtk_ticker_init (GtkTicker *ticker)
-{
- GTK_WIDGET_UNSET_FLAGS (ticker, GTK_NO_WINDOW);
-
- ticker->interval = (guint) 200;
- ticker->scootch = (guint) 2;
- ticker->children = NULL;
- ticker->timer = 0;
- ticker->dirty = TRUE;
-}
-
-GtkWidget* gtk_ticker_new (void)
-{
- return GTK_WIDGET(g_object_new(GTK_TYPE_TICKER, NULL));
-}
-
-static void gtk_ticker_put (GtkTicker *ticker, GtkWidget *widget)
-{
- GtkTickerChild *child_info;
-
- g_return_if_fail (ticker != NULL);
- g_return_if_fail (GTK_IS_TICKER (ticker));
- g_return_if_fail (widget != NULL);
-
- child_info = g_new(GtkTickerChild, 1);
- child_info->widget = widget;
- child_info->x = 0;
-
- gtk_widget_set_parent(widget, GTK_WIDGET (ticker));
-
- ticker->children = g_list_append (ticker->children, child_info);
-
- if (GTK_WIDGET_REALIZED (ticker))
- gtk_widget_realize (widget);
-
- if (GTK_WIDGET_VISIBLE (ticker) && GTK_WIDGET_VISIBLE (widget))
- {
- if (GTK_WIDGET_MAPPED (ticker))
- gtk_widget_map (widget);
-
- gtk_widget_queue_resize (GTK_WIDGET (ticker));
- }
-}
-
-void gtk_ticker_set_interval (GtkTicker *ticker, gint interval)
-{
- g_return_if_fail (ticker != NULL);
- g_return_if_fail (GTK_IS_TICKER (ticker));
-
- if ( interval < 0 )
- interval = 200;
- ticker->interval = interval;
-}
-
-guint gtk_ticker_get_interval (GtkTicker *ticker)
-{
- g_return_val_if_fail (ticker != NULL, -1);
- g_return_val_if_fail (GTK_IS_TICKER (ticker), -1);
-
- return ticker->interval;
-}
-
-void gtk_ticker_set_scootch (GtkTicker *ticker, gint scootch)
-{
- g_return_if_fail (ticker != NULL);
- g_return_if_fail (GTK_IS_TICKER (ticker));
-
- if (scootch <= 0)
- scootch = 2;
- ticker->scootch = scootch;
- ticker->dirty = TRUE;
-}
-
-guint gtk_ticker_get_scootch (GtkTicker *ticker )
-{
- g_return_val_if_fail (ticker != NULL, -1);
- g_return_val_if_fail (GTK_IS_TICKER (ticker), -1);
-
- return ticker->scootch;
-}
-
-void gtk_ticker_set_spacing (GtkTicker *ticker, gint spacing )
-{
- g_return_if_fail (ticker != NULL);
- g_return_if_fail (GTK_IS_TICKER (ticker));
-
- if ( spacing < 0 )
- spacing = 0;
- ticker->spacing = spacing;
- ticker->dirty = TRUE;
-}
-
-static int ticker_timeout(gpointer data)
-{
- GtkTicker *ticker = (GtkTicker *) data;
-
- if (GTK_WIDGET_VISIBLE (ticker))
- gtk_widget_queue_resize (GTK_WIDGET (ticker));
-
- return( TRUE );
-}
-
-void gtk_ticker_start_scroll(GtkTicker *ticker)
-{
- g_return_if_fail (ticker != NULL);
- g_return_if_fail (GTK_IS_TICKER (ticker));
- if ( ticker->timer != 0 )
- return;
- ticker->timer = g_timeout_add(ticker->interval, ticker_timeout, ticker);
-}
-
-void gtk_ticker_stop_scroll(GtkTicker *ticker)
-{
- g_return_if_fail (ticker != NULL);
- g_return_if_fail (GTK_IS_TICKER (ticker));
- if ( ticker->timer == 0 )
- return;
- g_source_remove(ticker->timer);
- ticker->timer = 0;
-}
-
-guint gtk_ticker_get_spacing (GtkTicker *ticker )
-{
- g_return_val_if_fail (ticker != NULL, -1);
- g_return_val_if_fail (GTK_IS_TICKER (ticker), -1);
-
- return ticker->spacing;
-}
-
-static void gtk_ticker_map (GtkWidget *widget)
-{
- GtkTicker *ticker;
- GtkTickerChild *child;
- GList *children;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_TICKER (widget));
-
- GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
- ticker = GTK_TICKER (widget);
-
- children = ticker->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- if (GTK_WIDGET_VISIBLE (child->widget) &&
- !GTK_WIDGET_MAPPED (child->widget))
- gtk_widget_map (child->widget);
- }
-
- gdk_window_show (widget->window);
-}
-
-static void gtk_ticker_realize (GtkWidget *widget)
-{
- GdkWindowAttr attributes;
- gint attributes_mask;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_TICKER (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 = gtk_widget_get_events (widget);
- attributes.event_mask |= GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_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);
- gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
-}
-
-static void gtk_ticker_size_request (GtkWidget *widget, GtkRequisition *requisition)
-{
- GtkTicker *ticker;
- GtkTickerChild *child;
- GList *children;
- GtkRequisition child_requisition;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_TICKER (widget));
- g_return_if_fail (requisition != NULL);
-
- ticker = GTK_TICKER (widget);
- requisition->width = 0;
- requisition->height = 0;
-
- children = ticker->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- if (GTK_WIDGET_VISIBLE (child->widget))
- {
- gtk_widget_size_request (child->widget, &child_requisition);
-
- requisition->height = MAX (requisition->height,
- child_requisition.height);
- requisition->width += child_requisition.width + ticker->spacing;
- }
- }
- if ( requisition->width > ticker->spacing )
- requisition->width -= ticker->spacing;
-
- requisition->height += GTK_CONTAINER (ticker)->border_width * 2;
- requisition->width += GTK_CONTAINER (ticker)->border_width * 2;
-}
-
-static void gtk_ticker_compute_offsets (GtkTicker *ticker)
-{
- GtkTickerChild *child;
- GtkRequisition child_requisition;
- GList *children;
- guint16 border_width;
-
- g_return_if_fail (ticker != NULL);
- g_return_if_fail (GTK_IS_TICKER(ticker));
-
- border_width = GTK_CONTAINER (ticker)->border_width;
-
- ticker->width = GTK_WIDGET(ticker)->allocation.width;
- ticker->total = 0;
- children = ticker->children;
- while (children) {
- child = children->data;
-
- child->x = 0;
- if (GTK_WIDGET_VISIBLE (child->widget)) {
- gtk_widget_get_child_requisition (child->widget, &child_requisition);
- child->offset = ticker->total;
- ticker->total +=
- child_requisition.width + border_width + ticker->spacing;
- }
- children = children->next;
- }
- ticker->dirty = FALSE;
-}
-
-static void gtk_ticker_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
-{
- GtkTicker *ticker;
- GtkTickerChild *child;
- GtkAllocation child_allocation;
- GtkRequisition child_requisition;
- GList *children;
- guint16 border_width;
-
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_TICKER(widget));
- g_return_if_fail (allocation != NULL);
-
- ticker = GTK_TICKER (widget);
-
- if ( GTK_WIDGET(ticker)->allocation.width != ticker->width )
- ticker->dirty = TRUE;
-
- if ( ticker->dirty == TRUE ) {
- gtk_ticker_compute_offsets( ticker );
- }
-
- widget->allocation = *allocation;
- if (GTK_WIDGET_REALIZED (widget))
- gdk_window_move_resize (widget->window,
- allocation->x,
- allocation->y,
- allocation->width,
- allocation->height);
-
- border_width = GTK_CONTAINER (ticker)->border_width;
-
- children = ticker->children;
- while (children)
- {
- child = children->data;
- child->x -= ticker->scootch;
-
- if (GTK_WIDGET_VISIBLE (child->widget)) {
- gtk_widget_get_child_requisition (child->widget, &child_requisition);
- child_allocation.width = child_requisition.width;
- child_allocation.x = child->offset + border_width + child->x;
- if ( ( child_allocation.x + child_allocation.width ) < GTK_WIDGET(ticker)->allocation.x ) {
- if ( ticker->total >= GTK_WIDGET(ticker)->allocation.width ) {
- child->x += GTK_WIDGET(ticker)->allocation.x + GTK_WIDGET(ticker)->allocation.width + ( ticker->total - ( GTK_WIDGET(ticker)->allocation.x + GTK_WIDGET(ticker)->allocation.width ) );
- }
- else {
- child->x += GTK_WIDGET(ticker)->allocation.x + GTK_WIDGET(ticker)->allocation.width;
- }
- }
- child_allocation.y = border_width;
- child_allocation.height = child_requisition.height;
- gtk_widget_size_allocate (child->widget, &child_allocation);
- }
- children = children->next;
- }
-}
-
-void gtk_ticker_add(GtkTicker *ticker, GtkWidget *widget)
-{
- gtk_ticker_add_real( GTK_CONTAINER( ticker ), widget );
- ticker->dirty = TRUE;
-}
-
-void gtk_ticker_remove(GtkTicker *ticker, GtkWidget *widget)
-{
- gtk_ticker_remove_real( GTK_CONTAINER( ticker ), widget );
- ticker->dirty = TRUE;
-}
-
-static void gtk_ticker_add_real(GtkContainer *container, GtkWidget *widget)
-{
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_TICKER (container));
- g_return_if_fail (widget != NULL);
-
- gtk_ticker_put(GTK_TICKER (container), widget);
-}
-
-static void gtk_ticker_remove_real(GtkContainer *container, GtkWidget *widget)
-{
- GtkTicker *ticker;
- GtkTickerChild *child;
- GList *children;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_TICKER (container));
- g_return_if_fail (widget != NULL);
-
- ticker = GTK_TICKER (container);
-
- children = ticker->children;
- while (children)
- {
- child = children->data;
-
- if (child->widget == widget)
- {
- gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
-
- gtk_widget_unparent (widget);
-
- ticker->children = g_list_remove_link (ticker->children, children);
- g_list_free (children);
- g_free (child);
-
- if (was_visible && GTK_WIDGET_VISIBLE (container))
- gtk_widget_queue_resize (GTK_WIDGET (container));
-
- break;
- }
-
- children = children->next;
- }
-}
-
-static void gtk_ticker_forall (GtkContainer *container,
- gboolean include_internals,
- GtkCallback callback,
- gpointer callback_data)
-{
- GtkTicker *ticker;
- GtkTickerChild *child;
- GList *children;
-
- g_return_if_fail (container != NULL);
- g_return_if_fail (GTK_IS_TICKER (container));
- g_return_if_fail (callback != NULL);
-
- ticker = GTK_TICKER (container);
-
- children = ticker->children;
- while (children)
- {
- child = children->data;
- children = children->next;
-
- (* callback) (child->widget, callback_data);
- }
-}
-