tools/designer/src/lib/shared/layoutinfo_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/lib/shared/layoutinfo_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of Qt Designer.  This header
+// file may change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#ifndef LAYOUTINFO_H
+#define LAYOUTINFO_H
+
+#include "shared_global_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QWidget;
+class QLayout;
+class QLayoutItem;
+class QDesignerFormEditorInterface;
+class QFormLayout;
+class QRect;
+class QString;
+
+namespace qdesigner_internal {
+
+class QDESIGNER_SHARED_EXPORT LayoutInfo
+{
+public:
+    enum Type
+    {
+        NoLayout,
+        HSplitter,
+        VSplitter,
+        HBox,
+        VBox,
+        Grid,
+        Form,
+        UnknownLayout // QDockWindow inside QMainWindow is inside QMainWindowLayout - it doesn't mean there is no layout
+    };
+
+    static void deleteLayout(const QDesignerFormEditorInterface *core, QWidget *widget);
+
+    // Examines the immediate layout of the widget (will fail for Q3Group Box).
+    static Type layoutType(const QDesignerFormEditorInterface *core, const QWidget *w);
+    // Examines the managed layout of the widget
+    static Type managedLayoutType(const QDesignerFormEditorInterface *core, const QWidget *w, QLayout **layout = 0);
+    static Type layoutType(const QDesignerFormEditorInterface *core, const QLayout *layout);
+    static Type layoutType(const QString &typeName);
+    static QString layoutName(Type t);
+
+    static QWidget *layoutParent(const QDesignerFormEditorInterface *core, QLayout *layout);
+
+    static Type laidoutWidgetType(const QDesignerFormEditorInterface *core, QWidget *widget, bool *isManaged = 0, QLayout **layout = 0);
+    static bool inline isWidgetLaidout(const QDesignerFormEditorInterface *core, QWidget *widget) { return laidoutWidgetType(core, widget) != NoLayout; }
+
+    static QLayout *managedLayout(const QDesignerFormEditorInterface *core, const QWidget *widget);
+    static QLayout *managedLayout(const QDesignerFormEditorInterface *core, QLayout *layout);
+    static QLayout *internalLayout(const QWidget *widget);
+
+    // Is it a a dummy grid placeholder created by Designer?
+    static bool isEmptyItem(QLayoutItem *item);
+};
+
+QDESIGNER_SHARED_EXPORT void getFormLayoutItemPosition(const QFormLayout *formLayout, int index, int *rowPtr, int *columnPtr = 0, int *rowspanPtr = 0, int *colspanPtr = 0);
+QDESIGNER_SHARED_EXPORT void formLayoutAddWidget(QFormLayout *formLayout, QWidget *w, const QRect &r, bool insert);
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif // LAYOUTINFO_H