aboutsummaryrefslogtreecommitdiffstats
path: root/executive-summary/widgets/e-summary-title-button.c
diff options
context:
space:
mode:
Diffstat (limited to 'executive-summary/widgets/e-summary-title-button.c')
-rw-r--r--executive-summary/widgets/e-summary-title-button.c403
1 files changed, 403 insertions, 0 deletions
diff --git a/executive-summary/widgets/e-summary-title-button.c b/executive-summary/widgets/e-summary-title-button.c
new file mode 100644
index 0000000000..81fa8e5923
--- /dev/null
+++ b/executive-summary/widgets/e-summary-title-button.c
@@ -0,0 +1,403 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-summary-title-buttons.c
+ *
+ * Authors: Iain Holmes <iain@helixcode.com>
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gnome.h>
+#include <gal/util/e-util.h>
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "e-summary-title-button.h"
+
+#define PARENT_TYPE (gnome_canvas_rect_get_type ())
+
+enum {
+ ARG_0,
+ ARG_PIXBUF,
+ ARG_X,
+ ARG_Y
+};
+
+enum {
+ CLICKED,
+ LAST_SIGNAL
+};
+
+static void e_summary_title_button_destroy (GtkObject *object);
+static void e_summary_title_button_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
+static void e_summary_title_button_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id);
+static void e_summary_title_button_class_init (ESummaryTitleButtonClass *estb_class);
+static void e_summary_title_button_init (ESummaryTitleButton *estb);
+static double e_summary_title_button_point (GnomeCanvasItem *item,
+ double x,
+ double y,
+ int cx,
+ int cy,
+ GnomeCanvasItem **actual_item);
+static void e_summary_title_button_update (GnomeCanvasItem *item,
+ double affine[6],
+ ArtSVP *clip_path,
+ gint flags);
+static void e_summary_title_button_draw (GnomeCanvasItem *item,
+ GdkDrawable *drawable,
+ int x, int y,
+ int width, int height);
+static gint e_summary_title_button_event (GnomeCanvasItem *item,
+ GdkEvent *event);
+
+static GnomeCanvasRectClass *parent_class;
+static guint estb_signals[LAST_SIGNAL] = { 0 };
+
+struct _ESummaryTitleButtonPrivate {
+ GdkPixbuf *pixbuf;
+ double x, y;
+ int width, height;
+
+ int in_button : 1;
+ int button_down : 1;
+};
+
+static void
+e_summary_title_button_destroy (GtkObject *object)
+{
+ ESummaryTitleButton *estb;
+ ESummaryTitleButtonPrivate *priv;
+
+ estb = E_SUMMARY_TITLE_BUTTON (object);
+ priv = estb->private;
+
+ if (priv == NULL)
+ return;
+
+ gdk_pixbuf_unref (priv->pixbuf);
+
+ g_free (priv);
+ estb->private = NULL;
+
+ if (GTK_OBJECT_CLASS (parent_class)->destroy)
+ (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+static void
+e_summary_title_button_set_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
+{
+ ESummaryTitleButton *estb;
+ ESummaryTitleButtonPrivate *priv;
+ gboolean update = FALSE;
+
+ estb = E_SUMMARY_TITLE_BUTTON (object);
+ priv = estb->private;
+
+ switch (arg_id) {
+ case ARG_PIXBUF:
+ if (priv->pixbuf)
+ gdk_pixbuf_unref (priv->pixbuf);
+
+ priv->pixbuf = GTK_VALUE_POINTER (*arg);
+ gdk_pixbuf_ref (priv->pixbuf);
+
+ priv->width = gdk_pixbuf_get_width (priv->pixbuf);
+ priv->height = gdk_pixbuf_get_height (priv->pixbuf);
+
+ update = TRUE;
+ break;
+
+ case ARG_X:
+ priv->x = GTK_VALUE_DOUBLE (*arg);
+ break;
+
+ case ARG_Y:
+ priv->y = GTK_VALUE_DOUBLE (*arg);
+ break;
+
+ default:
+ break;
+
+ }
+
+ if (update)
+ gnome_canvas_item_request_update (GNOME_CANVAS_ITEM (estb));
+
+}
+
+static void
+e_summary_title_button_get_arg (GtkObject *object,
+ GtkArg *arg,
+ guint arg_id)
+{
+ ESummaryTitleButton *estb;
+ ESummaryTitleButtonPrivate *priv;
+
+ estb = E_SUMMARY_TITLE_BUTTON (object);
+ priv = estb->private;
+
+ switch (arg_id) {
+ case ARG_PIXBUF:
+ GTK_VALUE_POINTER (*arg) = priv->pixbuf;
+ break;
+
+ case ARG_X:
+ GTK_VALUE_DOUBLE (*arg) = priv->x;
+ break;
+
+ case ARG_Y:
+ GTK_VALUE_DOUBLE (*arg) = priv->y;
+ break;
+
+ default:
+ arg->type = GTK_TYPE_INVALID;
+ break;
+
+ }
+}
+
+static void
+e_summary_title_button_init (ESummaryTitleButton *estb)
+{
+ estb->private = g_new0 (ESummaryTitleButtonPrivate, 1);
+}
+
+static void
+e_summary_title_button_class_init (ESummaryTitleButtonClass *estb_class)
+{
+ GtkObjectClass *object_class;
+ GnomeCanvasItemClass *item_class;
+
+ object_class = (GtkObjectClass *) estb_class;
+ item_class = (GnomeCanvasItemClass *) estb_class;
+
+ object_class->destroy = e_summary_title_button_destroy;
+ object_class->set_arg = e_summary_title_button_set_arg;
+ object_class->get_arg = e_summary_title_button_get_arg;
+
+ item_class->draw = e_summary_title_button_draw;
+ item_class->point = e_summary_title_button_point;
+ item_class->update = e_summary_title_button_update;
+ item_class->event = e_summary_title_button_event;
+
+ gtk_object_add_arg_type ("ESummaryTitleButton::pixbuf",
+ GTK_TYPE_POINTER,
+ GTK_ARG_READWRITE,
+ ARG_PIXBUF);
+ gtk_object_add_arg_type ("ESummaryTitleButton::x",
+ GTK_TYPE_DOUBLE,
+ GTK_ARG_READWRITE,
+ ARG_X);
+ gtk_object_add_arg_type ("ESummaryTitleButton::y",
+ GTK_TYPE_DOUBLE,
+ GTK_ARG_READWRITE,
+ ARG_Y);
+ estb_signals[CLICKED] = gtk_signal_new ("clicked", GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (ESummaryTitleButtonClass,
+ clicked),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
+ gtk_object_class_add_signals (object_class, estb_signals, LAST_SIGNAL);
+
+ parent_class = gtk_type_class (PARENT_TYPE);
+}
+
+E_MAKE_TYPE (e_summary_title_button, "ESummaryTitleButton",
+ ESummaryTitleButton, e_summary_title_button_class_init,
+ e_summary_title_button_init, PARENT_TYPE);
+
+static double
+e_summary_title_button_point (GnomeCanvasItem *item,
+ double x,
+ double y,
+ int cx,
+ int cy,
+ GnomeCanvasItem **actual_item)
+{
+ ESummaryTitleButton *estb;
+ ESummaryTitleButtonPrivate *priv;
+ double d = 1.0;
+
+ estb = E_SUMMARY_TITLE_BUTTON (item);
+ priv = estb->private;
+
+ if (x >= priv->x && x <= priv->x + gdk_pixbuf_get_width (priv->pixbuf)
+ && y >= priv->y && y <= priv->y + gdk_pixbuf_get_height (priv->pixbuf)) {
+ d = 0.0;
+ *actual_item = item;
+ }
+
+ return d;
+}
+
+static void
+get_bounds (ESummaryTitleButton *estb,
+ double *px1, double *py1,
+ double *px2, double *py2)
+{
+ GnomeCanvasItem *item;
+ ESummaryTitleButtonPrivate *priv;
+ double x1, y1, x2, y2;
+ int cx1, cy1, cx2, cy2;
+
+ item = GNOME_CANVAS_ITEM (estb);
+ priv = estb->private;
+
+ x1 = priv->x;
+ y1 = priv->y;
+ x2 = x1 + priv->width;
+ y2 = y1 + priv->height;
+
+ gnome_canvas_item_i2w (item, &x1, &y1);
+ gnome_canvas_item_i2w (item, &x2, &x2);
+ gnome_canvas_w2c (item->canvas, x1, y1, &cx1, &cy1);
+ gnome_canvas_w2c (item->canvas, x2, y2, &cx2, &cy2);
+
+ *px1 = cx1;
+ *py1 = cy1;
+ *px2 = cx2;
+ *py2 = cy2;
+}
+
+static void
+e_summary_title_button_update (GnomeCanvasItem *item,
+ double affine[6],
+ ArtSVP *clip_path,
+ gint flags)
+{
+ ESummaryTitleButton *estb;
+ ESummaryTitleButtonPrivate *priv;
+ double x1, y1, x2, y2;
+
+ estb = E_SUMMARY_TITLE_BUTTON (item);
+ priv = estb->private;
+
+ get_bounds (estb, &x1, &y1, &x2, &y2);
+ gnome_canvas_update_bbox (item, (int) x1, (int) y1, (int) x2, (int) y2);
+}
+
+static void
+e_summary_title_button_draw (GnomeCanvasItem *item,
+ GdkDrawable *drawable,
+ int x, int y,
+ int width, int height)
+{
+ ESummaryTitleButton *estb;
+ ESummaryTitleButtonPrivate *priv;
+ double i2w[6], w2c[6], i2c[6];
+ int x1, x2, y1, y2;
+ ArtPoint i1, i2;
+ ArtPoint c1, c2;
+ GdkGC *gc;
+
+ estb = E_SUMMARY_TITLE_BUTTON (item);
+ priv = estb->private;
+
+ if (GNOME_CANVAS_ITEM_CLASS (parent_class)->draw)
+ (* GNOME_CANVAS_ITEM_CLASS (parent_class)->draw) (item, drawable, x, y, width, height);
+
+ gnome_canvas_item_i2w_affine (item, i2w);
+ gnome_canvas_w2c_affine (item->canvas, w2c);
+ art_affine_multiply (i2c, i2w, w2c);
+
+ i1.x = priv->x;
+ i1.y = priv->y;
+ i2.x = i1.x + priv->width + 4;
+ i2.y = i1.y + priv->height + 4;
+ art_affine_point (&c1, &i1, i2c);
+ art_affine_point (&c2, &i2, i2c);
+ x1 = c1.x;
+ y1 = c1.y;
+ x2 = c2.x;
+ y2 = c2.y;
+
+ gc = gdk_gc_new (item->canvas->layout.bin_window);
+ gdk_draw_rectangle (drawable, gc,
+ FALSE, x1 - x,
+ y1 - y,
+ x2 - x1,
+ y2 - y1);
+ gdk_gc_unref (gc);
+
+ gdk_pixbuf_render_to_drawable_alpha (priv->pixbuf,
+ drawable,
+ 0, 0,
+ x1 + 2, y1 + 2,
+ priv->width, priv->height,
+ GDK_PIXBUF_ALPHA_BILEVEL,
+ 127,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+}
+
+static gint
+e_summary_title_button_event (GnomeCanvasItem *item,
+ GdkEvent *event)
+{
+ ESummaryTitleButton *estb;
+ ESummaryTitleButtonPrivate *priv;
+
+ estb = E_SUMMARY_TITLE_BUTTON (item);
+ priv = estb->private;
+
+ switch (event->type) {
+ case GDK_ENTER_NOTIFY:
+ priv->in_button = TRUE;
+ break;
+
+ case GDK_LEAVE_NOTIFY:
+ priv->in_button = FALSE;
+ break;
+
+ case GDK_BUTTON_PRESS:
+ if (priv->in_button) {
+ priv->button_down = TRUE;
+ gnome_canvas_item_grab (item,
+ GDK_LEAVE_NOTIFY_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_BUTTON_RELEASE_MASK,
+ NULL, event->button.time);
+ }
+ break;
+
+ case GDK_BUTTON_RELEASE:
+ priv->button_down = FALSE;
+ gnome_canvas_item_ungrab (item, event->button.time);
+
+ if (priv->in_button) {
+ gtk_signal_emit (GTK_OBJECT (estb), estb_signals[CLICKED]);
+ }
+ break;
+
+ default:
+ return TRUE;
+ }
+
+ return FALSE;
+}
generated by cgit (git 2.34.1) at 2024-11-15 05:31:45 +0800