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-rw-r--r--widgets/misc/e-canvas-utils.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/widgets/misc/e-canvas-utils.c b/widgets/misc/e-canvas-utils.c
deleted file mode 100644
index 0e7e73d6d0..0000000000
--- a/widgets/misc/e-canvas-utils.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-canvas-utils.c
- * Copyright 2000, 2001, Ximian, Inc.
- *
- * Authors:
- * Chris Lahey <clahey@ximian.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License, version 2, as published by the Free Software Foundation.
- *
- * 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.
- */
-
-#include "e-canvas-utils.h"
-
-void
-e_canvas_item_move_absolute (GnomeCanvasItem *item, double dx, double dy)
-{
- double translate[6];
-
- g_return_if_fail (item != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
-
- art_affine_translate (translate, dx, dy);
-
- gnome_canvas_item_affine_absolute (item, translate);
-}
-
-static double
-compute_offset(int top, int bottom, int page_top, int page_bottom)
-{
- int size = bottom - top;
- int offset = 0;
-
- if (top <= page_top && bottom >= page_bottom)
- return 0;
-
- if (bottom > page_bottom)
- offset = (bottom - page_bottom);
- if (top < page_top + offset)
- offset = (top - page_top);
-
- if (top <= page_top + offset && bottom >= page_bottom + offset)
- return offset;
-
- if (top < page_top + size * 3 / 2 + offset)
- offset = top - (page_top + size * 3 / 2);
- if (bottom > page_bottom - size * 3 / 2 + offset)
- offset = bottom - (page_bottom - size * 3 / 2);
- if (top < page_top + size * 3 / 2 + offset)
- offset = top - ((page_top + page_bottom - (bottom - top)) / 2);
-
- return offset;
-}
-
-
-static void
-e_canvas_show_area (GnomeCanvas *canvas, double x1, double y1, double x2, double y2)
-{
- GtkAdjustment *h, *v;
- int dx = 0, dy = 0;
-
- g_return_if_fail (canvas != NULL);
- g_return_if_fail (GNOME_IS_CANVAS (canvas));
-
- h = gtk_layout_get_hadjustment(GTK_LAYOUT(canvas));
- dx = compute_offset(x1, x2, h->value, h->value + h->page_size);
- if (dx)
- gtk_adjustment_set_value(h, CLAMP(h->value + dx, h->lower, h->upper - h->page_size));
-
- v = gtk_layout_get_vadjustment(GTK_LAYOUT(canvas));
- dy = compute_offset(y1, y2, v->value, v->value + v->page_size);
- if (dy)
- gtk_adjustment_set_value(v, CLAMP(v->value + dy, v->lower, v->upper - v->page_size));
-}
-
-void
-e_canvas_item_show_area (GnomeCanvasItem *item, double x1, double y1, double x2, double y2)
-{
- g_return_if_fail (item != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
-
- gnome_canvas_item_i2w(item, &x1, &y1);
- gnome_canvas_item_i2w(item, &x2, &y2);
-
- e_canvas_show_area(item->canvas, x1, y1, x2, y2);
-}
-
-
-static gboolean
-e_canvas_area_shown (GnomeCanvas *canvas, double x1, double y1, double x2, double y2)
-{
- GtkAdjustment *h, *v;
- int dx = 0, dy = 0;
-
- g_return_val_if_fail (canvas != NULL, FALSE);
- g_return_val_if_fail (GNOME_IS_CANVAS (canvas), FALSE);
-
- h = gtk_layout_get_hadjustment(GTK_LAYOUT(canvas));
- dx = compute_offset(x1, x2, h->value, h->value + h->page_size);
- if (CLAMP(h->value + dx, h->lower, h->upper - h->page_size) - h->value != 0)
- return FALSE;
-
- v = gtk_layout_get_vadjustment(GTK_LAYOUT(canvas));
- dy = compute_offset(y1, y2, v->value, v->value + v->page_size);
- if (CLAMP(v->value + dy, v->lower, v->upper - v->page_size) - v->value != 0)
- return FALSE;
- return TRUE;
-}
-
-gboolean
-e_canvas_item_area_shown (GnomeCanvasItem *item, double x1, double y1, double x2, double y2)
-{
- g_return_val_if_fail (item != NULL, FALSE);
- g_return_val_if_fail (GNOME_IS_CANVAS_ITEM (item), FALSE);
-
- gnome_canvas_item_i2w(item, &x1, &y1);
- gnome_canvas_item_i2w(item, &x2, &y2);
-
- return e_canvas_area_shown(item->canvas, x1, y1, x2, y2);
-}
-
-typedef struct {
- double x1;
- double y1;
- double x2;
- double y2;
- GnomeCanvas *canvas;
-} DoubsAndCanvas;
-
-static gboolean
-show_area_timeout (gpointer data)
-{
- DoubsAndCanvas *dac = data;
-
- if (!GTK_OBJECT_DESTROYED(dac->canvas))
- e_canvas_show_area(dac->canvas, dac->x1, dac->y1, dac->x2, dac->y2);
- gtk_object_unref(GTK_OBJECT(dac->canvas));
- g_free(dac);
- return FALSE;
-}
-
-void
-e_canvas_item_show_area_delayed (GnomeCanvasItem *item, double x1, double y1, double x2, double y2, gint delay)
-{
- DoubsAndCanvas *dac;
-
- g_return_if_fail (item != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_ITEM (item));
-
- gnome_canvas_item_i2w(item, &x1, &y1);
- gnome_canvas_item_i2w(item, &x2, &y2);
-
- dac = g_new(DoubsAndCanvas, 1);
- dac->x1 = x1;
- dac->y1 = y1;
- dac->x2 = x2;
- dac->y2 = y2;
- dac->canvas = item->canvas;
- gtk_object_ref(GTK_OBJECT(item->canvas));
- g_timeout_add(delay, show_area_timeout, dac);
-}