1 files changed, 263 insertions, 0 deletions
diff --git a/tools/glade/glade/gnome/gnomecanvas.c b/tools/glade/glade/gnome/gnomecanvas.c
new file mode 100644
index 00000000..2f757be5
--- /dev/null
+++ b/tools/glade/glade/gnome/gnomecanvas.c
@@ -0,0 +1,263 @@
+/*  Gtk+ User Interface Builder
+ *  Copyright (C) 1999  Damon Chaplin
+ *
+ *  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.
+ */
+
+#include <config.h>
+
+#include <gnome.h>
+#include "../gb.h"
+
+/* Include the 21x21 icon pixmap for this widget, to be used in the palette */
+#include "../graphics/gnome-canvas.xpm"
+
+/*
+ * This is the GbWidget struct for this widget (see ../gbwidget.h).
+ * It is initialized in the init() function at the end of this file
+ */
+static GbWidget gbwidget;
+
+static gchar *AntiAliased = "GnomeCanvas::aa";
+static gchar *ScrollX1 = "GnomeCanvas::scroll_x1";
+static gchar *ScrollY1 = "GnomeCanvas::scroll_y1";
+static gchar *ScrollX2 = "GnomeCanvas::scroll_x2";
+static gchar *ScrollY2 = "GnomeCanvas::scroll_y2";
+static gchar *PixelsPerUnit = "GnomeCanvas::pixels_per_unit";
+
+
+/******
+ * NOTE: To use these functions you need to uncomment them AND add a pointer
+ * to the function in the GbWidget struct at the end of this file.
+ ******/
+
+/*
+ * Creates a new GtkWidget of class GnomeCanvas, performing any specialized
+ * initialization needed for the widget to work correctly in this environment.
+ * If a dialog box is used to initialize the widget, return NULL from this
+ * function, and call data->callback with your new widget when it is done.
+ */
+/*
+static GtkWidget*
+gb_gnome_canvas_new (GbWidgetNewData *data)
+{
+
+}
+*/
+
+
+
+/*
+ * Creates the components needed to edit the extra properties of this widget.
+ */
+static void
+gb_gnome_canvas_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data)
+{
+  property_add_bool (AntiAliased, _("Anti-Aliased:"),
+		     _("If the canvas is anti-aliased, to smooth the edges of text and graphics"));
+  property_add_float (ScrollX1, _("X1:"), _("The minimum x coordinate"));
+  property_add_float (ScrollY1, _("Y1:"), _("The minimum y coordinate"));
+  property_add_float (ScrollX2, _("X2:"), _("The maximum x coordinate"));
+  property_add_float (ScrollY2, _("Y2:"), _("The maximum y coordinate"));
+
+  property_add_float (PixelsPerUnit, _("Pixels Per Unit:"),
+		      _("The number of pixels corresponding to one unit"));
+}
+
+
+
+/*
+ * Gets the properties of the widget. This is used for both displaying the
+ * properties in the property editor, and also for saving the properties.
+ */
+static void
+gb_gnome_canvas_get_properties (GtkWidget *widget, GbWidgetGetArgData * data)
+{
+  gb_widget_output_bool (data, AntiAliased,
+			 GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), AntiAliased)));
+
+  gb_widget_output_float (data, ScrollX1, GNOME_CANVAS (widget)->scroll_x1);
+  gb_widget_output_float (data, ScrollY1, GNOME_CANVAS (widget)->scroll_y1);
+  gb_widget_output_float (data, ScrollX2, GNOME_CANVAS (widget)->scroll_x2);
+  gb_widget_output_float (data, ScrollY2, GNOME_CANVAS (widget)->scroll_y2);
+
+  gb_widget_output_float (data, PixelsPerUnit,
+			  GNOME_CANVAS (widget)->pixels_per_unit);
+}
+
+
+
+/*
+ * Sets the properties of the widget. This is used for both applying the
+ * properties changed in the property editor, and also for loading.
+ */
+static void
+gb_gnome_canvas_set_properties (GtkWidget * widget, GbWidgetSetArgData * data)
+{
+  gboolean antialiased;
+  gfloat value;
+  gfloat scroll_x1, scroll_y1, scroll_x2, scroll_y2;
+  gfloat old_scroll_x1, old_scroll_y1, old_scroll_x2, old_scroll_y2;
+  gfloat pixels_per_unit;
+
+  antialiased = gb_widget_input_bool (data, AntiAliased);
+  if (data->apply)
+    gtk_object_set_data (GTK_OBJECT (widget), AntiAliased,
+			 GINT_TO_POINTER (antialiased));
+
+  /* Also check for the old name we used for this. */
+  if (data->action == GB_LOADING)
+    {
+      antialiased = gb_widget_input_bool (data, "anti_aliased");
+      if (data->apply)
+	gtk_object_set_data (GTK_OBJECT (widget), AntiAliased,
+			     GINT_TO_POINTER (antialiased));
+    }
+
+  scroll_x1 = old_scroll_x1 = GNOME_CANVAS (widget)->scroll_x1;
+  scroll_y1 = old_scroll_y1 = GNOME_CANVAS (widget)->scroll_y1;
+  scroll_x2 = old_scroll_x2 = GNOME_CANVAS (widget)->scroll_x2;
+  scroll_y2 = old_scroll_y2 = GNOME_CANVAS (widget)->scroll_y2;
+
+  value = gb_widget_input_float (data, ScrollX1);
+  if (data->apply)
+    scroll_x1 = value;
+  value = gb_widget_input_float (data, ScrollY1);
+  if (data->apply)
+    scroll_y1 = value;
+  value = gb_widget_input_float (data, ScrollX2);
+  if (data->apply)
+    scroll_x2 = value;
+  value = gb_widget_input_float (data, ScrollY2);
+  if (data->apply)
+    scroll_y2 = value;
+
+  if (scroll_x1 != old_scroll_x1 || scroll_y1 != old_scroll_y1
+      || scroll_x2 != old_scroll_x2 || scroll_y2 != old_scroll_y2)
+    {
+      gnome_canvas_set_scroll_region (GNOME_CANVAS (widget),
+				      scroll_x1, scroll_y1,
+				      scroll_x2, scroll_y2);
+    }
+
+  pixels_per_unit = gb_widget_input_float (data, PixelsPerUnit);
+  if (data->apply)
+    gnome_canvas_set_pixels_per_unit (GNOME_CANVAS (widget), pixels_per_unit);
+}
+
+
+/*
+ * Sets the properties for the child widget specific to this type of
+ * parent widget.
+ */
+/*
+static void
+gb_gnome_canvas_set_child_props (GtkWidget * widget, GtkWidget * child, GbWidgetSetArgData * data)
+{
+
+}
+*/
+
+
+/*
+ * Adds menu items to a context menu which is just about to appear!
+ * Add commands to aid in editing a GnomeCanvas, with signals pointing to
+ * other functions in this file.
+ */
+/*
+static void
+gb_gnome_canvas_create_popup_menu (GtkWidget * widget, GbWidgetCreateMenuData * data)
+{
+
+}
+*/
+
+
+
+/*
+ * Writes the source code needed to create this widget.
+ * You have to output everything necessary to create the widget here, though
+ * there are some convenience functions to help.
+ */
+static void
+gb_gnome_canvas_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data)
+{
+  if (data->create_widget)
+    {
+      if (gtk_object_get_data (GTK_OBJECT (widget), AntiAliased))
+	{
+	  source_add (data,
+		      "  %s = gnome_canvas_new_aa ();\n",
+		      data->wname);
+	}
+      else
+	{
+	  source_add (data,
+		      "  %s = gnome_canvas_new ();\n",
+		      data->wname);
+	}
+    }
+
+  gb_widget_write_standard_source (widget, data);
+
+  source_add (data,
+	      "  gnome_canvas_set_scroll_region (GNOME_CANVAS (%s), %g, %g, %g, %g);\n",
+	      data->wname,
+	      GNOME_CANVAS (widget)->scroll_x1,
+	      GNOME_CANVAS (widget)->scroll_y1,
+	      GNOME_CANVAS (widget)->scroll_x2,
+	      GNOME_CANVAS (widget)->scroll_y2);
+
+  if (GNOME_CANVAS (widget)->pixels_per_unit != 1.0)
+    source_add (data,
+		"  gnome_canvas_set_pixels_per_unit (GNOME_CANVAS (%s), %g);\n",
+	      data->wname,
+	      GNOME_CANVAS (widget)->pixels_per_unit);
+}
+
+
+/*
+ * Initializes the GbWidget structure.
+ * I've placed this at the end of the file so we don't have to include
+ * declarations of all the functions.
+ */
+GbWidget*
+gb_gnome_canvas_init ()
+{
+  /* Initialise the GTK type */
+  volatile GtkType type;
+  type = gnome_canvas_get_type();
+
+  /* Initialize the GbWidget structure */
+  gb_widget_init_struct(&gbwidget);
+
+  /* Fill in the pixmap struct & tooltip */
+  gbwidget.pixmap_struct = gnome_canvas_xpm;
+  gbwidget.tooltip = _("GnomeCanvas");
+
+  /* Fill in any functions that this GbWidget has */
+  gbwidget.gb_widget_create_properties	= gb_gnome_canvas_create_properties;
+  gbwidget.gb_widget_get_properties	= gb_gnome_canvas_get_properties;
+  gbwidget.gb_widget_set_properties	= gb_gnome_canvas_set_properties;
+  gbwidget.gb_widget_write_source	= gb_gnome_canvas_write_source;
+/*
+  gbwidget.gb_widget_new		= gb_gnome_canvas_new;
+  gbwidget.gb_widget_set_child_props	= gb_gnome_canvas_set_child_props;
+  gbwidget.gb_widget_create_popup_menu	= gb_gnome_canvas_create_popup_menu;
+*/
+
+  return &gbwidget;
+}
+