GSoC notebookbar: container with priority

+ extended vcl builder to parse priority
+ IPrioritable interface for controls with priorities
+ added IPrioritable as a base for VclContainer
+ Added PriorityHBox - box which shows controls if we have enough space
PriorityHBox listen vcl events from SystemWindow to detect Resize

Change-Id: I74ac1a80e7d0a061f5e7a8584dbb2abf956053c7
Reviewed-on: https://gerrit.libreoffice.org/26983
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

3 files changed, 49 insertions, 3 deletions

diff --git a/include/vcl/IPrioritable.hxx b/include/vcl/IPrioritable.hxx
new file mode 100644
index 000000000000..11146681ee65
--- /dev/null
+++ b/include/vcl/IPrioritable.hxx
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_VCL_IPRIORITABLE_HXX
+#define INCLUDED_VCL_IPRIORITABLE_HXX
+
+#define VCL_PRIORITY_DEFAULT -1
+
+namespace vcl
+{
+
+class VCL_DLLPUBLIC IPrioritable
+{
+protected:
+    IPrioritable() : m_nPriority(VCL_PRIORITY_DEFAULT)
+    {
+    }
+
+public:
+    int GetPriority() const
+    {
+        return m_nPriority;
+    }
+
+    void SetPriority(int nPriority)
+    {
+        m_nPriority = nPriority;
+    }
+
+private:
+    int m_nPriority;
+};
+
+} // namespace vcl
+
+#endif // INCLUDED_VCL_IPRIORITABLE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/include/vcl/builder.hxx b/include/vcl/builder.hxx
index 13ff4200cb98..787f6ea30b81 100644
--- a/include/vcl/builder.hxx
+++ b/include/vcl/builder.hxx
@@ -351,8 +351,8 @@ private:
     void        handleChild(vcl::Window *pParent, xmlreader::XmlReader &reader);
     VclPtr<vcl::Window> handleObject(vcl::Window *pParent, xmlreader::XmlReader &reader);
     void        handlePacking(vcl::Window *pCurrent, vcl::Window *pParent, xmlreader::XmlReader &reader);
-    static std::vector<vcl::EnumContext::Context> handleStyle(xmlreader::XmlReader &reader);
-    static vcl::EnumContext::Context getContext(xmlreader::XmlReader &reader);
+    static std::vector<vcl::EnumContext::Context> handleStyle(xmlreader::XmlReader &reader, int &nPriority);
+    static OString getStyleClass(xmlreader::XmlReader &reader);
     void        applyPackingProperty(vcl::Window *pCurrent, vcl::Window *pParent, xmlreader::XmlReader &reader);
     void        collectProperty(xmlreader::XmlReader &reader, const OString &rID, stringmap &rVec);
     static void collectPangoAttribute(xmlreader::XmlReader &reader, stringmap &rMap);
diff --git a/include/vcl/layout.hxx b/include/vcl/layout.hxx
index a3e21042989c..59d7d6c6ae45 100644
--- a/include/vcl/layout.hxx
+++ b/include/vcl/layout.hxx
@@ -14,13 +14,15 @@
 #include <vcl/button.hxx>
 #include <vcl/dialog.hxx>
 #include <vcl/fixed.hxx>
+#include <vcl/IPrioritable.hxx>
 #include <vcl/scrbar.hxx>
 #include <vcl/vclmedit.hxx>
 #include <vcl/window.hxx>
 #include <vcl/vclptr.hxx>
 #include <set>
 
-class VCL_DLLPUBLIC VclContainer : public vcl::Window
+class VCL_DLLPUBLIC VclContainer : public vcl::Window,
+                                   public vcl::IPrioritable
 {
 public:
     VclContainer(vcl::Window *pParent, WinBits nStyle = WB_HIDE | WB_CLIPCHILDREN);