[evolution/webkit-composer: 24/111] Make font-size change work

[Matthew Barnes <mbarnes src gnome org>]

commit 3b3ea23fd55758b4506128af5ee9881520732d1b
Author: Dan VrÃtil <dvratil redhat com>
Date:   Fri Aug 3 12:52:13 2012 +0200

    Make font-size change work
    
    The 'current-value' property of font-size action group
    is binded to 'font-size' property of EEditorSelection,
    so toggling the action and change of current value when
    selection changes is all automatic.

 e-util/e-editor-actions.c   |   19 ++++------------
 e-util/e-editor-actions.h   |    2 +
 e-util/e-editor-selection.c |   47 ++++++++++++++++++++++++++++++++----------
 e-util/e-editor-selection.h |   14 ++++++------
 4 files changed, 50 insertions(+), 32 deletions(-)
---
diff --git a/e-util/e-editor-actions.c b/e-util/e-editor-actions.c
index 0043dda..f7737d4 100644
--- a/e-util/e-editor-actions.c
+++ b/e-util/e-editor-actions.c
@@ -1069,19 +1069,6 @@ action_show_replace_cb (GtkAction *action,
 }
 
 static void
-action_size_cb (GtkRadioAction *action,
-                GtkRadioAction *current,
-                EEditor *editor)
-{
-	EEditorSelection *selection;
-
-	selection = e_editor_widget_get_selection (
-			e_editor_get_editor_widget (editor));
-	e_editor_selection_set_font_size (
-		selection, gtk_radio_action_get_current_value (current));
-}
-
-static void
 action_spell_check_cb (GtkAction *action,
                        EEditor *editor)
 {
@@ -2078,7 +2065,7 @@ editor_actions_init (EEditor *editor)
 		action_group, html_size_entries,
 		G_N_ELEMENTS (html_size_entries),
 		E_EDITOR_SELECTION_FONT_SIZE_NORMAL,
-		G_CALLBACK (action_size_cb), editor);
+		NULL, NULL);
 	gtk_ui_manager_insert_action_group (manager, action_group, 0);
 
 	/* Context Menu Actions */
@@ -2172,6 +2159,10 @@ editor_actions_init (EEditor *editor)
 		ACTION (BOLD), "active",
 		G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
 	g_object_bind_property (
+		editor->priv->selection, "font-size",
+		ACTION (FONT_SIZE_GROUP), "current-value",
+		G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
+	g_object_bind_property (
 		editor->priv->selection, "indented",
 		ACTION (UNINDENT), "sensitive",
 		G_BINDING_SYNC_CREATE);
diff --git a/e-util/e-editor-actions.h b/e-util/e-editor-actions.h
index 1fdab3b..60c92f5 100644
--- a/e-util/e-editor-actions.h
+++ b/e-util/e-editor-actions.h
@@ -82,6 +82,8 @@
 	E_EDITOR_ACTION ((editor), "edit-menu")
 #define E_EDITOR_ACTION_FIND_AGAIN(editor) \
 	E_EDITOR_ACTION ((editor), "find-again")
+#define E_EDITOR_ACTION_FONT_SIZE_GROUP(editor) \
+	E_EDITOR_ACTION ((editor), "size-plus-zero")
 #define E_EDITOR_ACTION_FORMAT_MENU(editor) \
 	E_EDITOR_ACTION ((editor), "format-menu")
 #define E_EDITOR_ACTION_FORMAT_TEXT(editor) \
diff --git a/e-util/e-editor-selection.c b/e-util/e-editor-selection.c
index 086f6a9..8eda4f5 100644
--- a/e-util/e-editor-selection.c
+++ b/e-util/e-editor-selection.c
@@ -69,6 +69,20 @@ enum {
 	PROP_UNDERLINE,
 };
 
+static WebKitDOMElement *
+find_parent_element_by_type (WebKitDOMNode *node, GType type)
+{
+	while (node) {
+
+		if (G_TYPE_CHECK_INSTANCE_TYPE (node, type))
+			return (WebKitDOMElement *) node;
+
+		node = (WebKitDOMNode *) webkit_dom_node_get_parent_element (node);
+	}
+
+	return NULL;
+}
+
 static WebKitDOMRange *
 editor_selection_get_current_range (EEditorSelection *selection)
 {
@@ -174,14 +188,12 @@ e_editor_selection_get_property (GObject *object,
 	switch (property_id) {
 		case PROP_ALIGNMENT:
 			g_value_set_int (value,
-					e_editor_selection_get_alignment (
-					selection));
+				e_editor_selection_get_alignment (selection));
 			return;
 
 		case PROP_BACKGROUND_COLOR:
 			g_value_set_string (value,
-				e_editor_selection_get_background_color (
-					selection));
+				e_editor_selection_get_background_color (selection));
 			return;
 
 		case PROP_BOLD:
@@ -294,7 +306,7 @@ e_editor_selection_set_property (GObject *object,
 
 		case PROP_FONT_SIZE:
 			e_editor_selection_set_font_size (
-				selection, g_value_get_uint (value));
+				selection, g_value_get_int (value));
 			return;
 
 		case PROP_ITALIC:
@@ -895,23 +907,36 @@ guint
 e_editor_selection_get_font_size (EEditorSelection *selection)
 {
 	WebKitDOMNode *node;
+	WebKitDOMElement *element;
 	WebKitDOMRange *range;
-	WebKitDOMCSSStyleDeclaration *css;
 	gchar *size;
 	gint size_int;
 
-	g_return_val_if_fail (E_IS_EDITOR_SELECTION (selection), 0);
+	g_return_val_if_fail (
+		E_IS_EDITOR_SELECTION (selection),
+		E_EDITOR_SELECTION_FONT_SIZE_NORMAL);
 
 	range = editor_selection_get_current_range (selection);
-	node = webkit_dom_range_get_common_ancestor_container (range, NULL);
+	if (!range) {
+		return E_EDITOR_SELECTION_FONT_SIZE_NORMAL;
+	}
 
-	g_free (selection->priv->font_family);
-	css = webkit_dom_element_get_style (WEBKIT_DOM_ELEMENT (node));
-	size = webkit_dom_css_style_declaration_get_property_value (css, "fontSize");
+	node = webkit_dom_range_get_common_ancestor_container (range, NULL);
+	element = find_parent_element_by_type (
+			node, WEBKIT_TYPE_DOM_HTML_FONT_ELEMENT);
+	if (!element) {
+		return E_EDITOR_SELECTION_FONT_SIZE_NORMAL;
+	}
 
+	size = webkit_dom_html_font_element_get_size (
+			WEBKIT_DOM_HTML_FONT_ELEMENT (element));
 	size_int = atoi (size);
 	g_free (size);
 
+	if (size_int == 0) {
+		return E_EDITOR_SELECTION_FONT_SIZE_NORMAL;
+	}
+
 	return size_int;
 }
 
diff --git a/e-util/e-editor-selection.h b/e-util/e-editor-selection.h
index a7164e8..63b6737 100644
--- a/e-util/e-editor-selection.h
+++ b/e-util/e-editor-selection.h
@@ -70,13 +70,13 @@ typedef enum {
 } EEditorSelectionBlockFormat;
 
 typedef enum {
-	E_EDITOR_SELECTION_FONT_SIZE_TINY,
-	E_EDITOR_SELECTION_FONT_SIZE_SMALL,
-	E_EDITOR_SELECTION_FONT_SIZE_NORMAL,
-	E_EDITOR_SELECTION_FONT_SIZE_BIG,
-	E_EDITOR_SELECTION_FONT_SIZE_BIGGER,
-	E_EDITOR_SELECTION_FONT_SIZE_LARGE,
-	E_EDITOR_SELECTION_FONT_SIZE_VERY_LARGE,
+	E_EDITOR_SELECTION_FONT_SIZE_TINY	= 1, /* The values match actual */
+	E_EDITOR_SELECTION_FONT_SIZE_SMALL	= 2, /* size in <font size="X"> */
+	E_EDITOR_SELECTION_FONT_SIZE_NORMAL	= 3,
+	E_EDITOR_SELECTION_FONT_SIZE_BIG	= 4,
+	E_EDITOR_SELECTION_FONT_SIZE_BIGGER	= 5,
+	E_EDITOR_SELECTION_FONT_SIZE_LARGE	= 6,
+	E_EDITOR_SELECTION_FONT_SIZE_VERY_LARGE	= 7
 } EEditorSelectionFontSize;
 
 typedef enum {