1 files changed, 442 insertions, 0 deletions

diff --git a/gtk/gtkaccellabel.c b/gtk/gtkaccellabel.c
new file mode 100644
index 0000000000..2a10e8f8f7
--- /dev/null
+++ b/gtk/gtkaccellabel.c
@@ -0,0 +1,442 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * GtkAccelLabel: GtkLabel with accelerator monitoring facilities.
+ * Copyright (C) 1998 Tim Janik
+ *
+ * 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.
+ */
+#include <string.h>
+#include <ctype.h>
+#include "gtkmain.h"
+#include "gtksignal.h"
+#include "gtkaccellabel.h"
+
+
+enum {
+  ARG_0,
+  ARG_ACCEL_WIDGET,
+};
+
+static void gtk_accel_label_class_init	 (GtkAccelLabelClass  *klass);
+static void gtk_accel_label_init	 (GtkAccelLabel	      *accel_label);
+static void gtk_accel_label_set_arg	 (GtkAccelLabel	      *accel_label,
+					  GtkArg	      *arg,
+					  guint		       arg_id);
+static void gtk_accel_label_get_arg	 (GtkAccelLabel	 *accel_label,
+					  GtkArg	 *arg,
+					  guint		  arg_id);
+static void gtk_accel_label_destroy	 (GtkObject	 *object);
+static void gtk_accel_label_finalize	 (GtkObject	 *object);
+static void gtk_accel_label_size_request (GtkWidget	 *widget,
+					  GtkRequisition *requisition);
+static gint gtk_accel_label_expose_event (GtkWidget	 *widget,
+					  GdkEventExpose *event);
+
+static GtkAccelLabelClass *accel_label_class = NULL;
+static GtkLabelClass *parent_class = NULL;
+
+
+GtkType
+gtk_accel_label_get_type (void)
+{
+  static GtkType accel_label_type = 0;
+  
+  if (!accel_label_type)
+    {
+      GtkTypeInfo accel_label_info =
+      {
+	"GtkAccelLabel",
+	sizeof (GtkAccelLabel),
+	sizeof (GtkAccelLabelClass),
+	(GtkClassInitFunc) gtk_accel_label_class_init,
+	(GtkObjectInitFunc) gtk_accel_label_init,
+	(GtkArgSetFunc) gtk_accel_label_set_arg,
+	(GtkArgGetFunc) gtk_accel_label_get_arg,
+      };
+      
+      accel_label_type = gtk_type_unique (gtk_label_get_type (), &accel_label_info);
+    }
+  
+  return accel_label_type;
+}
+
+static void
+gtk_accel_label_class_init (GtkAccelLabelClass *class)
+{
+  GtkObjectClass *object_class;
+  GtkWidgetClass *widget_class;
+  GtkMiscClass *misc_class;
+  GtkLabelClass *label_class;
+  
+  accel_label_class = class;
+  object_class = (GtkObjectClass*) class;
+  widget_class = (GtkWidgetClass*) class;
+  misc_class = (GtkMiscClass*) class;
+  label_class = (GtkLabelClass*) class;
+  
+  parent_class = gtk_type_class (gtk_label_get_type ());
+  
+  gtk_object_add_arg_type ("GtkAccelLabel::accel_widget", GTK_TYPE_WIDGET, GTK_ARG_READWRITE, ARG_ACCEL_WIDGET);
+  
+  object_class->destroy = gtk_accel_label_destroy;
+  object_class->finalize = gtk_accel_label_finalize;
+  
+  widget_class->size_request = gtk_accel_label_size_request;
+  widget_class->expose_event = gtk_accel_label_expose_event;
+
+  class->signal_quote1 = g_strdup ("<:");
+  class->signal_quote2 = g_strdup (":>");
+  class->mod_name_shift = g_strdup ("Shft");
+  class->mod_name_control = g_strdup ("Ctl");
+  class->mod_name_alt = g_strdup ("Alt");
+  class->mod_separator = g_strdup ("+");
+  class->accel_seperator = g_strdup (" / ");
+  class->latin1_to_char = TRUE;
+}
+
+static void
+gtk_accel_label_set_arg (GtkAccelLabel	*accel_label,
+			 GtkArg		*arg,
+			 guint		 arg_id)
+{
+  switch (arg_id)
+    {
+    case ARG_ACCEL_WIDGET:
+      gtk_accel_label_set_accel_widget (accel_label, (GtkWidget*) GTK_VALUE_OBJECT (*arg));
+      break;
+    default:
+      arg->type = GTK_TYPE_INVALID;
+      break;
+    }
+}
+
+static void
+gtk_accel_label_get_arg (GtkAccelLabel	*accel_label,
+			 GtkArg		*arg,
+			 guint		 arg_id)
+{
+  switch (arg_id)
+    {
+    case ARG_ACCEL_WIDGET:
+      GTK_VALUE_OBJECT (*arg) = (GtkObject*) accel_label->accel_widget;
+      break;
+    default:
+      arg->type = GTK_TYPE_INVALID;
+      break;
+    }
+}
+
+static void
+gtk_accel_label_init (GtkAccelLabel *accel_label)
+{
+  accel_label->queue_id = 0;
+  accel_label->accel_padding = 3;
+  accel_label->accel_widget = NULL;
+  accel_label->accel_string = NULL;
+  
+  gtk_accel_label_refetch (accel_label);
+}
+
+GtkWidget*
+gtk_accel_label_new (const gchar *string)
+{
+  GtkAccelLabel *accel_label;
+  
+  g_return_val_if_fail (string != NULL, NULL);
+  
+  accel_label = gtk_type_new (GTK_TYPE_ACCEL_LABEL);
+  
+  gtk_label_set (GTK_LABEL (accel_label), string);
+  
+  return GTK_WIDGET (accel_label);
+}
+
+static void
+gtk_accel_label_destroy (GtkObject *object)
+{
+  GtkAccelLabel *accel_label;
+  
+  g_return_if_fail (object != NULL);
+  g_return_if_fail (GTK_IS_ACCEL_LABEL (object));
+  
+  accel_label = GTK_ACCEL_LABEL (object);
+
+  gtk_accel_label_set_accel_widget (accel_label, NULL);
+  
+  GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
+
+static void
+gtk_accel_label_finalize (GtkObject *object)
+{
+  GtkAccelLabel *accel_label;
+  
+  g_return_if_fail (object != NULL);
+  g_return_if_fail (GTK_IS_ACCEL_LABEL (object));
+  
+  accel_label = GTK_ACCEL_LABEL (object);
+  
+  g_free (accel_label->accel_string);
+  
+  GTK_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gtk_accel_label_size_request (GtkWidget	     *widget,
+			      GtkRequisition *requisition)
+{
+  GtkAccelLabel *accel_label;
+  
+  g_return_if_fail (widget != NULL);
+  g_return_if_fail (GTK_IS_ACCEL_LABEL (widget));
+  g_return_if_fail (requisition != NULL);
+  
+  accel_label = GTK_ACCEL_LABEL (widget);
+  
+  if (GTK_WIDGET_CLASS (parent_class)->size_request)
+    GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition);
+  
+  accel_label->accel_string_width = gdk_string_width (GTK_WIDGET (accel_label)->style->font,
+						      accel_label->accel_string);
+  requisition->width += accel_label->accel_padding + accel_label->accel_string_width;
+}
+
+static gint
+gtk_accel_label_expose_event (GtkWidget      *widget,
+			      GdkEventExpose *event)
+{
+  GtkMisc *misc;
+  GtkAccelLabel *accel_label;
+  
+  g_return_val_if_fail (widget != NULL, FALSE);
+  g_return_val_if_fail (GTK_IS_ACCEL_LABEL (widget), FALSE);
+  g_return_val_if_fail (event != NULL, FALSE);
+  
+  accel_label = GTK_ACCEL_LABEL (widget);
+  misc = GTK_MISC (accel_label);
+	  
+  if (GTK_WIDGET_DRAWABLE (accel_label))
+    {
+      guint ac_width;
+      
+      ac_width = accel_label->accel_padding + accel_label->accel_string_width;
+      
+      if (widget->allocation.width > ac_width + misc->xpad * 2)
+	{
+	  guint x;
+	  guint y;
+	  
+	  widget->allocation.width -= ac_width;
+	  if (GTK_WIDGET_CLASS (parent_class)->expose_event)
+	    GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+	  widget->allocation.width += ac_width;
+	  
+	  x = widget->allocation.x + widget->allocation.width - misc->xpad - ac_width;
+	  
+	  y = (widget->allocation.y * (1.0 - misc->yalign) +
+	       (widget->allocation.y + widget->allocation.height -
+		(widget->requisition.height - misc->ypad * 2)) *
+	       misc->yalign + widget->style->font->ascent) + 1.5;
+	  
+	  if (GTK_WIDGET_STATE (accel_label) == GTK_STATE_INSENSITIVE)
+	    gdk_draw_string (widget->window,
+			     widget->style->font,
+			     widget->style->white_gc,
+			     x + 1,
+			     y + 1,
+			     accel_label->accel_string);
+	  
+	  gdk_draw_string (widget->window,
+			   widget->style->font,
+			   widget->style->fg_gc[GTK_WIDGET_STATE (accel_label)],
+			   x,
+			   y,
+			   accel_label->accel_string);
+	}
+      else
+	{
+	  if (GTK_WIDGET_CLASS (parent_class)->expose_event)
+	    GTK_WIDGET_CLASS (parent_class)->expose_event (widget, event);
+	}
+    }
+  
+  return TRUE;
+}
+
+static void
+gtk_accel_label_queue_refetch (GtkAccelLabel *accel_label)
+{
+  g_return_if_fail (accel_label != NULL);
+  g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
+
+  if (accel_label->queue_id == 0)
+    accel_label->queue_id = gtk_idle_add_priority (GTK_PRIORITY_HIGH - 2,
+						   (GtkFunction) gtk_accel_label_refetch,
+						   accel_label);
+}
+
+void
+gtk_accel_label_set_accel_widget (GtkAccelLabel *accel_label,
+				  GtkWidget	*accel_widget)
+{
+  g_return_if_fail (accel_label != NULL);
+  g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
+  if (accel_widget != NULL)
+    g_return_if_fail (GTK_IS_WIDGET (accel_widget));
+  
+  if (accel_widget != accel_label->accel_widget)
+    {
+      if (accel_label->accel_widget)
+	{
+	  gtk_signal_disconnect_by_func (GTK_OBJECT (accel_label->accel_widget),
+					 GTK_SIGNAL_FUNC (gtk_accel_label_queue_refetch),
+					 accel_label);
+	  gtk_widget_unref (accel_label->accel_widget);
+	}
+      if (accel_label->queue_id)
+	{
+	  gtk_idle_remove (accel_label->queue_id);
+	  accel_label->queue_id = 0;
+	}
+      accel_label->accel_widget = accel_widget;
+      if (accel_label->accel_widget)
+	{
+	  gtk_widget_ref (accel_label->accel_widget);
+	  gtk_signal_connect_object_after (GTK_OBJECT (accel_label->accel_widget),
+					   "add-accelerator",
+					   GTK_SIGNAL_FUNC (gtk_accel_label_queue_refetch),
+					   GTK_OBJECT (accel_label));
+	  gtk_signal_connect_object_after (GTK_OBJECT (accel_label->accel_widget),
+					   "remove-accelerator",
+					   GTK_SIGNAL_FUNC (gtk_accel_label_queue_refetch),
+					   GTK_OBJECT (accel_label));
+	}
+    }
+}
+
+gboolean
+gtk_accel_label_refetch (GtkAccelLabel *accel_label)
+{
+  GtkAccelLabelClass *class;
+
+  g_return_val_if_fail (accel_label != NULL, FALSE);
+  g_return_val_if_fail (GTK_IS_ACCEL_LABEL (accel_label), FALSE);
+
+  class = GTK_ACCEL_LABEL_CLASS (GTK_OBJECT (accel_label)->klass);
+  
+  g_free (accel_label->accel_string);
+  accel_label->accel_string = NULL;
+  
+  if (accel_label->accel_widget)
+    {
+      GtkAccelEntry *entry = NULL;
+      GSList *slist;
+      
+      slist = gtk_accel_group_entries_from_object (GTK_OBJECT (accel_label->accel_widget));
+      for (; slist; slist = slist->next)
+	{
+	  entry = slist->data;
+	  if (entry->accel_flags & GTK_ACCEL_VISIBLE)
+	    {
+	      GString *gstring;
+	      gboolean had_mod;
+	      
+	      gstring = g_string_new (accel_label->accel_string);
+	      if (gstring->len)
+		g_string_append (gstring, class->accel_seperator);
+	      else
+		g_string_append (gstring, "   ");
+
+	      if (entry->accel_flags & GTK_ACCEL_SIGNAL_VISIBLE)
+		{
+		  g_string_append (gstring, class->signal_quote1);
+		  g_string_append (gstring, gtk_signal_name (entry->signal_id));
+		  g_string_append (gstring, class->signal_quote2);
+		}
+	      
+	      had_mod = FALSE;
+	      if (entry->accelerator_mods & GDK_SHIFT_MASK)
+		{
+		  g_string_append (gstring, class->mod_name_shift);
+		  had_mod = TRUE;
+		}
+	      if (entry->accelerator_mods & GDK_CONTROL_MASK)
+		{
+		  if (had_mod)
+		    g_string_append (gstring, class->mod_separator);
+		  g_string_append (gstring, class->mod_name_control);
+		  had_mod = TRUE;
+		}
+	      if (entry->accelerator_mods & GDK_MOD1_MASK)
+		{
+		  if (had_mod)
+		    g_string_append (gstring, class->mod_separator);
+		  g_string_append (gstring, class->mod_name_alt);
+		  had_mod = TRUE;
+		}
+	      
+	      if (had_mod)
+		g_string_append (gstring, class->mod_separator);
+	      if (entry->accelerator_key < 0x80 ||
+		  (entry->accelerator_key > 0x80 &&
+		   entry->accelerator_key <= 0xff &&
+		   class->latin1_to_char))
+		{
+		  switch (entry->accelerator_key)
+		    {
+		    case ' ':
+		      g_string_append (gstring, "Space");
+		      break;
+		    case '\\':
+		      g_string_append (gstring, "Backslash");
+		      break;
+		    default:
+		      g_string_append_c (gstring, toupper (entry->accelerator_key));
+		      break;
+		    }
+		}
+	      else
+		{
+		  gchar *tmp;
+		  
+		  tmp = gtk_accelerator_name (entry->accelerator_key, 0);
+		  if (tmp[0] != 0 && tmp[1] == 0)
+		    tmp[0] = toupper (tmp[0]);
+		  g_string_append (gstring, tmp);
+		  g_free (tmp);
+		}
+
+	      g_free (accel_label->accel_string);
+	      accel_label->accel_string = gstring->str;
+	      g_string_free (gstring, FALSE);
+	    }
+	}
+    }
+
+  if (!accel_label->accel_string)
+    accel_label->accel_string = g_strdup ("");
+
+  if (accel_label->queue_id)
+    {
+      gtk_idle_remove (accel_label->queue_id);
+      accel_label->queue_id = 0;
+    }
+
+  gtk_widget_queue_resize (GTK_WIDGET (accel_label));
+
+  return FALSE;
+}