New Heading component in org.kde.plasma.extras

Interesting property is level, between 1 (large) and 5 (same size as
default text), otherwise behaves as Label.

declarativeimports/plasmaextracomponents/qml/Heading.qml

@@ -0,0 +1,76 @@
+/*
+*   Copyright 2012 by Sebastian Kügler <sebas@kde.org>
+*
+*   This program 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, 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 Library General Public License for more details
+*
+*   You should have received a copy of the GNU Library General Public
+*   License along with this program; if not, write to the
+*   Free Software Foundation, Inc.,
+*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+/**Documented API
+Inherits:
+        Label
+
+Imports:
+        QtQuick 1.1
+        org.kde.plasma.components
+
+Description:
+    This is a title label which uses the plasma theme.
+    The characteristics of the text will be automatically set
+    according to the plasma theme. Use this components for titles
+    in your UI, for example page or section titles.
+
+Properties:
+    string text:
+    The most important property is "text", which applies to the text property of Label
+    For the other ones see Plasma Component's Label or QML primitive Text element
+
+Methods:
+    See Plasma Component's Label and primitive QML Text element
+
+Signals:
+    See Plasma Component's Label and primitive QML Text element
+**/
+
+import QtQuick 1.1
+import org.kde.plasma.components 0.1
+
+Label {
+    id: heading
+    property int level: 1
+    property int step: 2
+
+    anchors.topMargin: 8
+    font.pointSize: headerPointSize(level)
+
+    function headerPointSize(l) {
+        var n = theme.defaultFont.pointSize;
+        var s;
+        if (l > 4) {
+            s = n
+        } else if (l < 2) {
+            s = n + (5*step)
+        } else {
+            s = n + ((5-level)*2)
+        }
+        print(" font size for level: " + l + " is " + s + " basePointSize " + n);
+        return s;
+    }
+
+    onLevelChanged: {
+        print("level changed: " + level);
+        font.pointSize = headerPointSize(level)
+        anchors.topMargin = level * 2;
+    }
+}

declarativeimports/plasmaextracomponents/qml/qmldir

@@ -2,3 +2,4 @@ plugin plasmaextracomponentsplugin
 
 App 0.1 App.qml
 Title 0.1 Title.qml
+Heading 0.1 Heading.qml