aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/misc/e-canvas-background.c
diff options
context:
space:
mode:
Diffstat (limited to 'widgets/misc/e-canvas-background.c')
-rw-r--r--widgets/misc/e-canvas-background.c467
1 files changed, 0 insertions, 467 deletions
diff --git a/widgets/misc/e-canvas-background.c b/widgets/misc/e-canvas-background.c
deleted file mode 100644
index 791caf1bcc..0000000000
--- a/widgets/misc/e-canvas-background.c
+++ /dev/null
@@ -1,467 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-canvas-background.c - background color for canvas.
- * Copyright 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 <config.h>
-
-#include "e-canvas-background.h"
-
-#include <math.h>
-#include <stdio.h>
-#include <gtk/gtksignal.h>
-#include <gdk/gdkkeysyms.h>
-#include "gal/widgets/e-hsv-utils.h"
-#include "gal/widgets/e-canvas.h"
-#include "gal/widgets/e-canvas-utils.h"
-#include "gal/util/e-util.h"
-#include <string.h>
-
-#define PARENT_OBJECT_TYPE gnome_canvas_item_get_type ()
-
-#define d(x)
-
-struct _ECanvasBackgroundPrivate {
- guint rgba; /* Fill color, RGBA */
- GdkColor color; /* Fill color */
- GdkBitmap *stipple; /* Stipple for fill */
- GdkGC *gc; /* GC for filling */
- double x1;
- double x2;
- double y1;
- double y2;
-
- guint needs_redraw : 1;
-};
-
-static GnomeCanvasItemClass *parent_class;
-
-enum {
- ARG_0,
- ARG_FILL_COLOR,
- ARG_FILL_COLOR_GDK,
- ARG_FILL_COLOR_RGBA,
- ARG_FILL_STIPPLE,
- ARG_X1,
- ARG_X2,
- ARG_Y1,
- ARG_Y2,
-};
-
-static void
-get_color(ECanvasBackground *ecb)
-{
- int n;
- GnomeCanvasItem *item = GNOME_CANVAS_ITEM (ecb);
-
- n = 0;
- gdk_color_context_get_pixels (item->canvas->cc,
- &ecb->priv->color.red,
- &ecb->priv->color.green,
- &ecb->priv->color.blue,
- 1,
- &ecb->priv->color.pixel,
- &n);
-}
-
-static void
-ecb_bounds (GnomeCanvasItem *item, double *x1, double *y1, double *x2, double *y2)
-{
- double i2c [6];
- ArtPoint c1, c2, i1, i2;
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item);
-
- /* Wrong BBox's are the source of redraw nightmares */
-
- gnome_canvas_item_i2c_affine (GNOME_CANVAS_ITEM (ecb), i2c);
-
- i1.x = ecb->priv->x1;
- i1.y = ecb->priv->y1;
- i2.x = ecb->priv->x2;
- i2.y = ecb->priv->y2;
- art_affine_point (&c1, &i1, i2c);
- art_affine_point (&c2, &i2, i2c);
-
- if (ecb->priv->x1 < 0)
- c1.x = -(double)UINT_MAX;
-
- if (ecb->priv->y1 < 0)
- c1.y = -(double)UINT_MAX;
-
- if (ecb->priv->x2 < 0)
- c2.x = (double)UINT_MAX;
-
- if (ecb->priv->y2 < 0)
- c2.y = (double)UINT_MAX;
-
- *x1 = c1.x;
- *y1 = c1.y;
- *x2 = c2.x + 1;
- *y2 = c2.y + 1;
-}
-
-/*
- * GnomeCanvasItem::update method
- */
-static void
-ecb_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
-{
- ArtPoint o1, o2;
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item);
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->update)
- GNOME_CANVAS_ITEM_CLASS (parent_class)->update (item, affine, clip_path, flags);
-
- o1.x = item->x1;
- o1.y = item->y1;
- o2.x = item->x2;
- o2.y = item->y2;
-
- ecb_bounds (item, &item->x1, &item->y1, &item->x2, &item->y2);
- if (item->x1 != o1.x ||
- item->y1 != o1.y ||
- item->x2 != o2.x ||
- item->y2 != o2.y) {
- gnome_canvas_request_redraw (item->canvas, o1.x, o1.y, o2.x, o2.y);
- ecb->priv->needs_redraw = 1;
- }
-
- if (ecb->priv->needs_redraw) {
- gnome_canvas_request_redraw (item->canvas, item->x1, item->y1,
- item->x2, item->y2);
- ecb->priv->needs_redraw = 0;
- }
-}
-
-/* Sets the stipple pattern for the text */
-static void
-set_stipple (ECanvasBackground *ecb, GdkBitmap *stipple, int use_value)
-{
- if (use_value) {
- if (ecb->priv->stipple)
- gdk_bitmap_unref (ecb->priv->stipple);
-
- ecb->priv->stipple = stipple;
- if (stipple)
- gdk_bitmap_ref (stipple);
- }
-
- if (ecb->priv->gc) {
- if (stipple) {
- gdk_gc_set_stipple (ecb->priv->gc, stipple);
- gdk_gc_set_fill (ecb->priv->gc, GDK_STIPPLED);
- } else
- gdk_gc_set_fill (ecb->priv->gc, GDK_SOLID);
- }
-}
-
-static void
-ecb_destroy (GtkObject *object)
-{
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (object);
-
- if (ecb->priv->stipple)
- gdk_bitmap_unref (ecb->priv->stipple);
- ecb->priv->stipple = NULL;
-
- if (GTK_OBJECT_CLASS (parent_class)->destroy)
- GTK_OBJECT_CLASS (parent_class)->destroy (object);
-}
-
-static void
-ecb_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- ECanvasBackground *ecb;
-
- GdkColor color = { 0, 0, 0, 0, };
- GdkColor *pcolor;
- gboolean color_changed = FALSE;
-
- item = GNOME_CANVAS_ITEM (o);
- ecb = E_CANVAS_BACKGROUND (o);
-
- switch (arg_id){
- case ARG_FILL_COLOR:
- if (GTK_VALUE_STRING (*arg))
- gdk_color_parse (GTK_VALUE_STRING (*arg), &color);
-
- ecb->priv->rgba = ((color.red & 0xff00) << 16 |
- (color.green & 0xff00) << 8 |
- (color.blue & 0xff00) |
- 0xff);
- color_changed = TRUE;
- break;
-
- case ARG_FILL_COLOR_GDK:
- pcolor = GTK_VALUE_BOXED (*arg);
- if (pcolor) {
- color = *pcolor;
- }
-
- ecb->priv->rgba = ((color.red & 0xff00) << 16 |
- (color.green & 0xff00) << 8 |
- (color.blue & 0xff00) |
- 0xff);
- color_changed = TRUE;
- break;
-
- case ARG_FILL_COLOR_RGBA:
- ecb->priv->rgba = GTK_VALUE_UINT (*arg);
- color.red = ((ecb->priv->rgba >> 24) & 0xff) * 0x101;
- color.green = ((ecb->priv->rgba >> 16) & 0xff) * 0x101;
- color.blue = ((ecb->priv->rgba >> 8) & 0xff) * 0x101;
- color_changed = TRUE;
- break;
-
- case ARG_FILL_STIPPLE:
- set_stipple (ecb, GTK_VALUE_BOXED (*arg), TRUE);
- break;
-
- case ARG_X1:
- ecb->priv->x1 = GTK_VALUE_DOUBLE (*arg);
- break;
- case ARG_X2:
- ecb->priv->x2 = GTK_VALUE_DOUBLE (*arg);
- break;
- case ARG_Y1:
- ecb->priv->y1 = GTK_VALUE_DOUBLE (*arg);
- break;
- case ARG_Y2:
- ecb->priv->y2 = GTK_VALUE_DOUBLE (*arg);
- break;
- }
-
- if (color_changed) {
- ecb->priv->color = color;
-
- if (GNOME_CANVAS_ITEM_REALIZED & GTK_OBJECT_FLAGS(item)) {
- get_color (ecb);
- if (!item->canvas->aa) {
- gdk_gc_set_foreground (ecb->priv->gc, &ecb->priv->color);
- }
- }
- }
-
- ecb->priv->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM(ecb));
-}
-
-static void
-ecb_get_arg (GtkObject *o, GtkArg *arg, guint arg_id)
-{
- GnomeCanvasItem *item;
- ECanvasBackground *ecb;
-
- item = GNOME_CANVAS_ITEM (o);
- ecb = E_CANVAS_BACKGROUND (o);
-
- switch (arg_id){
- case ARG_FILL_COLOR_GDK:
- GTK_VALUE_BOXED (*arg) = gdk_color_copy (&ecb->priv->color);
- break;
- case ARG_FILL_COLOR_RGBA:
- GTK_VALUE_UINT (*arg) = ecb->priv->rgba;
- break;
- case ARG_FILL_STIPPLE:
- GTK_VALUE_BOXED (*arg) = ecb->priv->stipple;
- break;
- case ARG_X1:
- GTK_VALUE_DOUBLE (*arg) = ecb->priv->x1;
- break;
- case ARG_X2:
- GTK_VALUE_DOUBLE (*arg) = ecb->priv->x2;
- break;
- case ARG_Y1:
- GTK_VALUE_DOUBLE (*arg) = ecb->priv->y1;
- break;
- case ARG_Y2:
- GTK_VALUE_DOUBLE (*arg) = ecb->priv->y2;
- break;
- default:
- arg->type = GTK_TYPE_INVALID;
- break;
- }
-}
-
-static void
-ecb_init (GnomeCanvasItem *item)
-{
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item);
-
- ecb->priv = g_new (ECanvasBackgroundPrivate, 1);
-
- ecb->priv->color.pixel = 0;
- ecb->priv->color.red = 0;
- ecb->priv->color.green = 0;
- ecb->priv->color.blue = 0;
- ecb->priv->stipple = NULL;
- ecb->priv->gc = NULL;
- ecb->priv->x1 = -1.0;
- ecb->priv->x2 = -1.0;
- ecb->priv->y1 = -1.0;
- ecb->priv->y2 = -1.0;
-}
-
-static void
-ecb_realize (GnomeCanvasItem *item)
-{
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item);
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->realize)
- GNOME_CANVAS_ITEM_CLASS (parent_class)->realize (item);
-
- ecb->priv->gc = gdk_gc_new (item->canvas->layout.bin_window);
- get_color (ecb);
- if (!item->canvas->aa)
- gdk_gc_set_foreground (ecb->priv->gc, &ecb->priv->color);
-
- set_stipple (ecb, NULL, FALSE);
-
- ecb->priv->needs_redraw = 1;
- gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (ecb));
-}
-
-static void
-ecb_unrealize (GnomeCanvasItem *item)
-{
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item);
-
- gdk_gc_unref (ecb->priv->gc);
- ecb->priv->gc = NULL;
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->unrealize)
- GNOME_CANVAS_ITEM_CLASS (parent_class)->unrealize (item);
-}
-
-static void
-ecb_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int width, int height)
-{
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item);
- int x1, x2, y1, y2;
- double i2c [6];
- ArtPoint upper_left, lower_right, ecb_base_point;
-
- /*
- * Find out our real position after grouping
- */
- gnome_canvas_item_i2c_affine (item, i2c);
- ecb_base_point.x = ecb->priv->x1;
- ecb_base_point.y = ecb->priv->y1;
- art_affine_point (&upper_left, &ecb_base_point, i2c);
-
- ecb_base_point.x = ecb->priv->x2;
- ecb_base_point.y = ecb->priv->y2;
- art_affine_point (&lower_right, &ecb_base_point, i2c);
-
- x1 = 0;
- y1 = 0;
- x2 = width;
- y2 = height;
- if (ecb->priv->x1 >= 0 && upper_left.x > x1)
- x1 = upper_left.x;
- if (ecb->priv->y1 >= 0 && upper_left.y > y1)
- y1 = upper_left.y;
- if (ecb->priv->x2 >= 0 && lower_right.x < x2)
- x2 = lower_right.x;
- if (ecb->priv->y2 >= 0 && lower_right.y < y2)
- y2 = lower_right.y;
-
- gdk_draw_rectangle (drawable, ecb->priv->gc, TRUE,
- x1, y1, x2 - x1, y2 - y1);
-}
-
-static double
-ecb_point (GnomeCanvasItem *item, double x, double y, int cx, int cy,
- GnomeCanvasItem **actual_item)
-{
- ECanvasBackground *ecb = E_CANVAS_BACKGROUND (item);
-
- if (ecb->priv->x1 >= 0 && ecb->priv->x1 > x)
- return 1.0;
- if (ecb->priv->x2 >= 0 && ecb->priv->x2 < x)
- return 1.0;
- if (ecb->priv->y1 >= 0 && ecb->priv->y1 > y)
- return 1.0;
- if (ecb->priv->y2 >= 0 && ecb->priv->y2 < y)
- return 1.0;
- *actual_item = item;
-
- return 0.0;
-}
-
-static void
-ecb_class_init (GtkObjectClass *object_class)
-{
- GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class;
-
- parent_class = gtk_type_class (PARENT_OBJECT_TYPE);
-
- object_class->destroy = ecb_destroy;
- object_class->set_arg = ecb_set_arg;
- object_class->get_arg = ecb_get_arg;
-
- item_class->update = ecb_update;
- item_class->realize = ecb_realize;
- item_class->unrealize = ecb_unrealize;
- item_class->draw = ecb_draw;
- item_class->point = ecb_point;
-
- gtk_object_add_arg_type ("ECanvasBackground::fill_color", GTK_TYPE_STRING,
- GTK_ARG_WRITABLE, ARG_FILL_COLOR);
- gtk_object_add_arg_type ("ECanvasBackground::fill_color_gdk", GTK_TYPE_GDK_COLOR,
- GTK_ARG_READWRITE, ARG_FILL_COLOR_GDK);
- gtk_object_add_arg_type ("ECanvasBackground::fill_color_rgba", GTK_TYPE_UINT,
- GTK_ARG_READWRITE, ARG_FILL_COLOR_RGBA);
- gtk_object_add_arg_type ("ECanvasBackground::fill_stipple", GTK_TYPE_GDK_WINDOW,
- GTK_ARG_READWRITE, ARG_FILL_STIPPLE);
- gtk_object_add_arg_type ("ECanvasBackground::x1", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_X1);
- gtk_object_add_arg_type ("ECanvasBackground::x2", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_X2);
- gtk_object_add_arg_type ("ECanvasBackground::y1", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_Y1);
- gtk_object_add_arg_type ("ECanvasBackground::y2", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_Y2);
-}
-
-GtkType
-e_canvas_background_get_type (void)
-{
- static GtkType type = 0;
-
- if (!type){
- GtkTypeInfo info = {
- "ECanvasBackground",
- sizeof (ECanvasBackground),
- sizeof (ECanvasBackgroundClass),
- (GtkClassInitFunc) ecb_class_init,
- (GtkObjectInitFunc) ecb_init,
- NULL, /* reserved 1 */
- NULL, /* reserved 2 */
- (GtkClassInitFunc) NULL
- };
-
- type = gtk_type_unique (PARENT_OBJECT_TYPE, &info);
- }
-
- return type;
-}
generated by cgit (git 2.34.1) at 2024-12-23 15:53:36 +0800