Merge eog-menu-api branch

2003-01-20  Marco Pesenti Gritti  <marco@it.gnome.org>

	* Merge eog-menu-api branch

1 files changed, 670 insertions, 0 deletions

diff --git a/lib/egg/eggtoolbutton.c b/lib/egg/eggtoolbutton.c
new file mode 100644
index 000000000..7c6e8e865
--- /dev/null
+++ b/lib/egg/eggtoolbutton.c
@@ -0,0 +1,670 @@
+/* eggtoolbutton.c
+ *
+ * Copyright (C) 2002 Anders Carlsson <andersca@codefactory.se>
+ * Copyright (C) 2002 James Henstridge <james@daa.com.au>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 "eggtoolbutton.h"
+#include <gtk/gtkbutton.h>
+#include <gtk/gtkhbox.h>
+#include <gtk/gtkiconfactory.h>
+#include <gtk/gtkimage.h>
+#include <gtk/gtkimagemenuitem.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtkstock.h>
+#include <gtk/gtkvbox.h>
+
+#include <string.h>
+
+#ifndef _
+#  define _(s) (s)
+#endif
+
+enum {
+  PROP_0,
+  PROP_LABEL,
+  PROP_USE_UNDERLINE,
+  PROP_STOCK_ID,
+  PROP_ICON_SET,
+  PROP_ICON_WIDGET,
+};
+
+static void egg_tool_button_init       (EggToolButton      *button,
+					EggToolButtonClass *klass);
+static void egg_tool_button_class_init (EggToolButtonClass *klass);
+
+
+static void egg_tool_button_set_property (GObject      *object,
+					  guint         prop_id,
+					  const GValue *value,
+					  GParamSpec   *pspec);
+static void egg_tool_button_get_property (GObject      *object,
+					  guint         prop_id,
+					  GValue       *value,
+					  GParamSpec   *pspec);
+static void egg_tool_button_finalize     (GObject      *object);
+
+static void egg_tool_button_show_all (GtkWidget *widget);
+
+static GtkWidget *egg_tool_button_create_menu_proxy (EggToolItem     *item);
+static void       egg_tool_button_set_orientation   (EggToolItem     *tool_item,
+						     GtkOrientation   orientation);
+static void       egg_tool_button_set_icon_size     (EggToolItem     *tool_item,
+						     GtkIconSize      icon_size);
+static void       egg_tool_button_set_toolbar_style (EggToolItem     *tool_item,
+						     GtkToolbarStyle  style);
+static void       egg_tool_button_set_relief_style  (EggToolItem     *tool_item,
+						     GtkReliefStyle   style);
+static void       egg_tool_button_set_tooltip       (EggToolItem     *tool_item,
+						     GtkTooltips     *tooltips,
+						     const gchar     *tip_text,
+						     const gchar     *tip_private);
+static void       button_clicked                    (GtkWidget       *widget,
+						     EggToolButton   *button);
+
+static GObjectClass *parent_class = NULL;
+
+GType
+egg_tool_button_get_type (void)
+{
+  static GtkType type = 0;
+
+  if (!type)
+    {
+      static const GTypeInfo type_info =
+	{
+	  sizeof (EggToolButtonClass),
+	  (GBaseInitFunc) NULL,
+	  (GBaseFinalizeFunc) NULL,
+	  (GClassInitFunc) egg_tool_button_class_init,
+	  (GClassFinalizeFunc) NULL,
+	  NULL,
+	  sizeof (EggToolButton),
+	  0, /* n_preallocs */
+	  (GInstanceInitFunc) egg_tool_button_init,
+	};
+
+      type = g_type_register_static (EGG_TYPE_TOOL_ITEM,
+				     "EggToolButton",
+				     &type_info, 0);
+    }
+  return type;
+}
+
+static void
+egg_tool_button_class_init (EggToolButtonClass *klass)
+{
+  GObjectClass *object_class;
+  GtkWidgetClass *widget_class;
+  EggToolItemClass *tool_item_class;
+  
+  parent_class = g_type_class_peek_parent (klass);
+  
+  object_class = (GObjectClass *)klass;
+  widget_class = (GtkWidgetClass *)klass;
+  tool_item_class = (EggToolItemClass *)klass;
+  
+  object_class->set_property = egg_tool_button_set_property;
+  object_class->get_property = egg_tool_button_get_property;
+  object_class->finalize = egg_tool_button_finalize;
+
+  widget_class->show_all = egg_tool_button_show_all;
+
+  tool_item_class->create_menu_proxy = egg_tool_button_create_menu_proxy;
+  tool_item_class->set_orientation = egg_tool_button_set_orientation;
+  tool_item_class->set_icon_size = egg_tool_button_set_icon_size;
+  tool_item_class->set_toolbar_style = egg_tool_button_set_toolbar_style;
+  tool_item_class->set_relief_style = egg_tool_button_set_relief_style;
+  tool_item_class->set_tooltip = egg_tool_button_set_tooltip;
+  
+  klass->button_type = GTK_TYPE_BUTTON;
+
+  g_object_class_install_property (object_class,
+				   PROP_LABEL,
+				   g_param_spec_string ("label",
+							_("Label"),
+							_("Text to show in the item."),
+							NULL,
+							G_PARAM_READWRITE));
+  g_object_class_install_property (object_class,
+				   PROP_USE_UNDERLINE,
+				   g_param_spec_boolean ("use_underline",
+							 _("Use underline"),
+							 _("Interpret underlines in the item label."),
+							 FALSE,
+							 G_PARAM_READWRITE));
+  g_object_class_install_property (object_class,
+				   PROP_STOCK_ID,
+				   g_param_spec_string ("stock_id",
+							_("Stock Id"),
+							_("The stock icon displayed on the item."),
+							NULL,
+							G_PARAM_READWRITE));
+  g_object_class_install_property (object_class,
+				   PROP_ICON_SET,
+				   g_param_spec_boxed ("icon_set",
+						       _("Icon set"),
+						       _("Icon set to use to draw the item's icon."),
+						       GTK_TYPE_ICON_SET,
+						       G_PARAM_READWRITE));
+  g_object_class_install_property (object_class,
+				   PROP_ICON_WIDGET,
+				   g_param_spec_object ("icon_widget",
+							_("Icon widget"),
+							_("Icon widget to display in the item."),
+							GTK_TYPE_WIDGET,
+							G_PARAM_READWRITE));
+}
+
+static void
+egg_tool_button_init (EggToolButton *button, EggToolButtonClass *klass)
+{
+  EggToolItem *toolitem = EGG_TOOL_ITEM (button);
+  
+  toolitem->homogeneous = TRUE;
+
+  /* create button */
+  button->button = g_object_new (klass->button_type, NULL);
+  GTK_WIDGET_UNSET_FLAGS (button->button, GTK_CAN_FOCUS);
+  g_signal_connect_object (button->button, "clicked",
+			   G_CALLBACK (button_clicked), button, 0);
+
+  button->box = gtk_vbox_new (FALSE, 0);
+  gtk_container_add (GTK_CONTAINER (button->button), button->box);
+  gtk_widget_show (button->box);
+
+#if 0
+  button->icon = gtk_image_new();
+  gtk_box_pack_start (GTK_BOX (button->box), button->icon, TRUE, TRUE, 0);
+  gtk_widget_show (button->icon);
+#endif
+
+  button->label = gtk_label_new (NULL);
+  gtk_label_set_use_underline (GTK_LABEL (button->label), TRUE);
+  gtk_box_pack_start (GTK_BOX (button->box), button->label, FALSE, TRUE, 0);
+  gtk_widget_show (button->label);
+
+  gtk_container_add (GTK_CONTAINER (button), button->button);
+  gtk_widget_show (button->button);
+}
+
+static gchar *
+elide_underscores (const gchar *original)
+{
+  gchar *q, *result;
+  const gchar *p;
+  gboolean last_underscore;
+
+  q = result = g_malloc (strlen (original) + 1);
+  last_underscore = FALSE;
+  
+  for (p = original; *p; p++)
+    {
+      if (!last_underscore && *p == '_')
+	last_underscore = TRUE;
+      else
+	{
+	  last_underscore = FALSE;
+	  *q++ = *p;
+	}
+    }
+  
+  *q = '\0';
+  
+  return result;
+}
+
+static void
+egg_tool_button_set_property (GObject         *object,
+			      guint            prop_id,
+			      const GValue    *value,
+			      GParamSpec      *pspec)
+{
+  EggToolButton *button = EGG_TOOL_BUTTON (object);
+  GtkStockItem stock_item;
+  GtkIconSet *icon_set;
+  gchar *label_no_mnemonic = NULL;
+  
+  switch (prop_id)
+    {
+    case PROP_LABEL:
+      egg_tool_button_set_label (button, g_value_get_string (value));
+      break;
+    case PROP_USE_UNDERLINE:
+      gtk_label_set_use_underline (GTK_LABEL (button->label),
+				   g_value_get_boolean (value));
+      break;
+    case PROP_STOCK_ID:
+      g_free (button->stock_id);
+      button->stock_id = g_value_dup_string (value);
+      if (!button->label_set)
+	{
+	  if (gtk_stock_lookup (button->stock_id, &stock_item))
+	    {
+	      label_no_mnemonic = elide_underscores (stock_item.label);
+	      gtk_label_set_label (GTK_LABEL (button->label), label_no_mnemonic);
+	      g_free (label_no_mnemonic);
+	    }
+	}
+      if (!button->icon_set)
+	{
+	  if (button->icon && !GTK_IS_IMAGE (button->icon))
+	    {
+	      gtk_container_remove (GTK_CONTAINER (button->box), button->icon);
+	      button->icon = NULL;
+	    }
+	  if (!button->icon)
+	    {
+	      button->icon = gtk_image_new ();
+	      gtk_box_pack_start (GTK_BOX (button->box), button->icon,
+				  TRUE, TRUE, 0);
+	      gtk_box_reorder_child (GTK_BOX (button->box), button->icon, 0);
+	    }
+	  gtk_image_set_from_stock (GTK_IMAGE (button->icon), button->stock_id,
+				    EGG_TOOL_ITEM (button)->icon_size);
+	}
+      break;
+    case PROP_ICON_SET:
+      if (button->icon && !GTK_IS_IMAGE (button->icon))
+	{
+	  gtk_container_remove (GTK_CONTAINER (button->box), button->icon);
+	  button->icon = NULL;
+	}
+      if (!button->icon)
+	{
+	  button->icon = gtk_image_new ();
+	  gtk_box_pack_start (GTK_BOX (button->box), button->icon,
+			      TRUE, TRUE, 0);
+	  gtk_box_reorder_child (GTK_BOX (button->box), button->icon, 0);
+	}
+      icon_set = g_value_get_boxed (value);
+      button->icon_set = (icon_set != NULL);
+      if (!button->icon_set && button->stock_id)
+	gtk_image_set_from_stock (GTK_IMAGE (button->icon), button->stock_id,
+				  EGG_TOOL_ITEM (button)->icon_size);
+      else
+	gtk_image_set_from_icon_set (GTK_IMAGE (button->icon), icon_set,
+				     EGG_TOOL_ITEM (button)->icon_size);
+      break;
+    case PROP_ICON_WIDGET:
+      egg_tool_button_set_icon_widget (button, g_value_get_object (value));
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+egg_tool_button_get_property (GObject         *object,
+			      guint            prop_id,
+			      GValue          *value,
+			      GParamSpec      *pspec)
+{
+  EggToolButton *button = EGG_TOOL_BUTTON (object);
+
+  switch (prop_id)
+    {
+    case PROP_LABEL:
+      if (button->label_set)
+	g_value_set_string (value,
+			    gtk_label_get_label (GTK_LABEL (button->label)));
+      break;
+    case PROP_USE_UNDERLINE:
+      g_value_set_boolean (value,
+		gtk_label_get_use_underline (GTK_LABEL (button->label)));
+      break;
+    case PROP_STOCK_ID:
+      g_value_set_string (value, button->stock_id);
+      break;
+    case PROP_ICON_SET:
+      if (GTK_IS_IMAGE (button->icon) &&
+	  GTK_IMAGE (button->icon)->storage_type == GTK_IMAGE_ICON_SET)
+	{
+	  GtkIconSet *icon_set;
+	  gtk_image_get_icon_set (GTK_IMAGE (button->icon), &icon_set, NULL);
+	  g_value_set_boxed (value, icon_set);
+	}
+      else
+	g_value_set_boxed (value, NULL);
+      break;
+    case PROP_ICON_WIDGET:
+      g_value_set_object (value, button->icon);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+egg_tool_button_finalize (GObject *object)
+{
+  EggToolButton *button = EGG_TOOL_BUTTON (object);
+
+  g_free (button->stock_id);
+  button->stock_id = NULL;
+
+  parent_class->finalize (object);
+}
+
+static void
+egg_tool_button_show_all (GtkWidget *widget)
+{
+  EggToolButton *button = EGG_TOOL_BUTTON (widget);
+
+  switch (EGG_TOOL_ITEM (widget)->style)
+    {
+    case GTK_TOOLBAR_ICONS:
+      if (button->icon) gtk_widget_show_all (button->icon);
+      gtk_widget_hide (button->label);
+      gtk_widget_show (button->box);
+      gtk_widget_show (button->button);
+      break;
+    case GTK_TOOLBAR_TEXT:
+      if (button->icon) gtk_widget_hide (button->icon);
+      gtk_widget_show_all (button->label);
+      gtk_widget_show (button->box);
+      gtk_widget_show (button->button);
+      break;
+    case GTK_TOOLBAR_BOTH:
+    case GTK_TOOLBAR_BOTH_HORIZ:
+      gtk_widget_show_all (button->button);
+    }
+
+  gtk_widget_show (GTK_WIDGET (button));
+}
+
+static GtkWidget *
+egg_tool_button_create_menu_proxy (EggToolItem *item)
+{
+  EggToolButton *button = EGG_TOOL_BUTTON (item);
+  GtkWidget *menu_item;
+  GtkWidget *image;
+  const char *label;
+
+  label = gtk_label_get_text (GTK_LABEL (button->label));
+  
+  menu_item = gtk_image_menu_item_new_with_label (label);
+
+  if (GTK_IS_IMAGE (button->icon))
+    {
+      image = gtk_image_new ();
+
+      if (GTK_IMAGE (button->icon)->storage_type == GTK_IMAGE_STOCK)
+	{
+	  gchar *stock_id;
+
+	  gtk_image_get_stock (GTK_IMAGE (button->icon),
+			       &stock_id, NULL);
+	  gtk_image_set_from_stock (GTK_IMAGE (image), stock_id,
+				    GTK_ICON_SIZE_MENU);
+	}
+      else if (GTK_IMAGE (button->icon)->storage_type == GTK_IMAGE_ICON_SET)
+	{
+	  GtkIconSet *icon_set;
+
+	  gtk_image_get_icon_set (GTK_IMAGE (button->icon), &icon_set, NULL);
+	  gtk_image_set_from_icon_set (GTK_IMAGE (image), icon_set,
+				       GTK_ICON_SIZE_MENU);
+	}
+      else
+	{
+	  g_warning ("FIXME: Add more cases here");
+	}
+      gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item), image);
+    }
+
+  g_signal_connect_object (menu_item, "activate",
+			   G_CALLBACK (gtk_button_clicked),
+			   EGG_TOOL_BUTTON (button)->button,
+			   G_CONNECT_SWAPPED);
+
+  return menu_item;
+}
+
+static void
+egg_tool_button_set_orientation (EggToolItem   *tool_item,
+				 GtkOrientation orientation)
+{
+  if (tool_item->orientation != orientation)
+    {
+      tool_item->orientation = orientation;
+    }
+}
+
+static void
+egg_tool_button_set_icon_size (EggToolItem  *tool_item,
+			       GtkIconSize   icon_size)
+{
+  if (tool_item->icon_size != icon_size)
+    {
+      EggToolButton *button = EGG_TOOL_BUTTON (tool_item);
+      char *stock_id;
+
+      if (button->icon && GTK_IS_IMAGE (button->icon) &&
+	  gtk_image_get_storage_type (GTK_IMAGE (button->icon)) == GTK_IMAGE_STOCK)
+	{
+	  gtk_image_get_stock (GTK_IMAGE (button->icon), &stock_id, NULL);
+	  stock_id = g_strdup (stock_id);
+	  gtk_image_set_from_stock (GTK_IMAGE (button->icon),
+				    stock_id,
+				    icon_size);
+	  g_free (stock_id);
+	}
+      tool_item->icon_size = icon_size;
+    }
+}
+
+static void
+egg_tool_button_set_toolbar_style (EggToolItem    *tool_item,
+				   GtkToolbarStyle style)
+{
+  EggToolButton *button = EGG_TOOL_BUTTON (tool_item);
+  
+  if (tool_item->style != style)
+    {
+      tool_item->style = style;
+
+      switch (tool_item->style)
+	{
+	case GTK_TOOLBAR_ICONS:
+	  gtk_widget_hide (button->label);
+	  if (button->icon) {
+	    gtk_box_set_child_packing (GTK_BOX (button->box), button->icon,
+				       TRUE, TRUE, 0, GTK_PACK_START);
+	    gtk_widget_show (button->icon);
+	  }
+	  break;
+	case GTK_TOOLBAR_TEXT:
+	  gtk_box_set_child_packing (GTK_BOX (button->box), button->label,
+				     TRUE, TRUE, 0, GTK_PACK_START);
+	  gtk_widget_show (button->label);
+	  if (button->icon)
+	    gtk_widget_hide (button->icon);
+	  break;
+	case GTK_TOOLBAR_BOTH:
+	  if (GTK_IS_HBOX (button->box))
+	    {
+	      GtkWidget *vbox;
+	      
+              vbox = gtk_vbox_new (FALSE, 0);
+	      gtk_widget_show (vbox);
+
+	      if (button->icon)
+		{
+		  g_object_ref (button->icon);
+		  gtk_container_remove (GTK_CONTAINER (button->box), button->icon);
+		  gtk_box_pack_start (GTK_BOX (vbox), button->icon,
+				      TRUE, TRUE, 0);
+		  g_object_unref (button->icon);
+		}
+	      
+	      g_object_ref (button->label);
+	      gtk_container_remove (GTK_CONTAINER (button->box), button->label);
+	      gtk_box_pack_start (GTK_BOX (vbox), button->label, FALSE, TRUE, 0);
+	      g_object_unref (button->label);
+	      
+	      gtk_container_remove (GTK_CONTAINER (button->button), button->box);
+	      button->box = vbox;
+	      gtk_container_add (GTK_CONTAINER (button->button), button->box);
+	    }
+	  
+	  gtk_box_set_child_packing (GTK_BOX (button->box), button->label,
+				     FALSE, TRUE, 0, GTK_PACK_START);
+	  gtk_widget_show (button->label);
+	  if (button->icon) {
+	    gtk_box_set_child_packing (GTK_BOX (button->box), button->icon,
+				       TRUE, TRUE, 0, GTK_PACK_START);
+	    gtk_widget_show (button->icon);
+	  }
+	  break;
+	case GTK_TOOLBAR_BOTH_HORIZ:
+	  if (GTK_IS_VBOX (button->box))
+	    {
+	      GtkWidget *hbox;
+	      
+              hbox = gtk_hbox_new (FALSE, 0);
+	      gtk_widget_show (hbox);
+
+	      if (button->icon)
+		{
+		  g_object_ref (button->icon);
+		  gtk_container_remove (GTK_CONTAINER (button->box), button->icon);
+		  gtk_box_pack_start (GTK_BOX (hbox), button->icon,
+				      TRUE, TRUE, 0);
+		  g_object_unref (button->icon);
+		}
+	      
+	      g_object_ref (button->label);
+	      gtk_container_remove (GTK_CONTAINER (button->box), button->label);
+	      gtk_box_pack_start (GTK_BOX (hbox), button->label, FALSE, TRUE, 0);
+	      g_object_unref (button->label);
+	      
+	      gtk_container_remove (GTK_CONTAINER (button->button), button->box);
+	      button->box = hbox;
+	      gtk_container_add (GTK_CONTAINER (button->button), button->box);
+	    }
+	  
+	  gtk_box_set_child_packing (GTK_BOX (button->box), button->label,
+				     TRUE, TRUE, 0, GTK_PACK_START);
+	  gtk_widget_show (button->label);
+	  if (button->icon) {
+	    gtk_box_set_child_packing (GTK_BOX (button->box), button->icon,
+				       FALSE, TRUE, 0, GTK_PACK_START);
+	    gtk_widget_show (button->icon);
+	  }
+	  break;
+	}
+    }
+}
+
+static void
+egg_tool_button_set_relief_style (EggToolItem   *tool_item,
+				  GtkReliefStyle style)
+{
+  gtk_button_set_relief (GTK_BUTTON (EGG_TOOL_BUTTON (tool_item)->button), style);
+}
+
+static void
+egg_tool_button_set_tooltip (EggToolItem *tool_item,
+			     GtkTooltips *tooltips,
+			     const gchar *tip_text,
+			     const gchar *tip_private)
+{
+  gtk_tooltips_set_tip (tooltips, EGG_TOOL_BUTTON (tool_item)->button,
+			tip_text, tip_private);
+}
+
+static void
+button_clicked (GtkWidget *widget, EggToolButton *button)
+{
+  g_signal_emit_by_name (button, "clicked");
+}
+
+EggToolItem *
+egg_tool_button_new_from_stock (const gchar *stock_id)
+{
+  EggToolButton *button;
+
+  button = g_object_new (EGG_TYPE_TOOL_BUTTON,
+			 "stock_id", stock_id,
+			 "use_underline", TRUE,
+			 NULL);
+
+  return EGG_TOOL_ITEM (button);
+}
+
+EggToolItem *
+egg_tool_button_new (void)
+{
+  EggToolButton *button;
+  
+  button = g_object_new (EGG_TYPE_TOOL_BUTTON,
+			 NULL);
+
+  return EGG_TOOL_ITEM (button);  
+}
+
+void
+egg_tool_button_set_icon_widget (EggToolButton *button,
+				 GtkWidget     *icon)
+{
+  g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
+  g_return_if_fail (GTK_IS_WIDGET (icon));
+
+  if (button->icon)
+    gtk_container_remove (GTK_CONTAINER (button->box), button->icon);
+  button->icon = NULL;
+
+  button->icon_set = (icon != NULL);
+  if (icon)
+    {
+      button->icon = icon;
+      gtk_box_pack_start (GTK_BOX (button->box), button->icon,
+			  TRUE, TRUE, 0);
+      gtk_box_reorder_child (GTK_BOX (button->box), button->icon, 0);
+    }
+  else if (button->stock_id)
+    {
+      button->icon = gtk_image_new_from_stock (button->stock_id,
+					     EGG_TOOL_ITEM (button)->icon_size);
+      gtk_box_pack_start (GTK_BOX (button->box), button->icon,
+			  TRUE, TRUE, 0);
+    }
+}
+
+void
+egg_tool_button_set_label (EggToolButton *button,
+			   const gchar   *label)
+{
+  gchar *label_no_mnemonic = NULL;
+  GtkStockItem stock_item;  
+  
+  g_return_if_fail (EGG_IS_TOOL_BUTTON (button));
+  g_return_if_fail (label != NULL);
+
+  button->label_set = (label != NULL);
+      
+  if (label)
+    label_no_mnemonic = elide_underscores (label);
+  else if (button->stock_id && gtk_stock_lookup (button->stock_id, &stock_item)) 
+    label_no_mnemonic = elide_underscores (stock_item.label);
+	  
+  gtk_label_set_label (GTK_LABEL (button->label), label_no_mnemonic);
+  g_free (label_no_mnemonic);
+}
+