summaryrefslogtreecommitdiffstats
path: root/src/widgets/widgets/qwidgetresizehandler_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/widgets/widgets/qwidgetresizehandler_p.h')
-rw-r--r--src/widgets/widgets/qwidgetresizehandler_p.h141
1 files changed, 141 insertions, 0 deletions
diff --git a/src/widgets/widgets/qwidgetresizehandler_p.h b/src/widgets/widgets/qwidgetresizehandler_p.h
new file mode 100644
index 0000000000..6d63572058
--- /dev/null
+++ b/src/widgets/widgets/qwidgetresizehandler_p.h
@@ -0,0 +1,141 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QWIDGETRESIZEHANDLER_P_H
+#define QWIDGETRESIZEHANDLER_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. This header file may
+// change from version to version without notice, or even be
+// removed.
+//
+// We mean it.
+//
+
+#include "QtCore/qobject.h"
+#include "QtCore/qpoint.h"
+
+#ifndef QT_NO_RESIZEHANDLER
+
+QT_BEGIN_NAMESPACE
+
+class QMouseEvent;
+class QKeyEvent;
+
+class Q_GUI_EXPORT QWidgetResizeHandler : public QObject
+{
+ Q_OBJECT
+
+public:
+ enum Action {
+ Move = 0x01,
+ Resize = 0x02,
+ Any = Move|Resize
+ };
+
+ explicit QWidgetResizeHandler(QWidget *parent, QWidget *cw = 0);
+ void setActive(bool b) { setActive(Any, b); }
+ void setActive(Action ac, bool b);
+ bool isActive() const { return isActive(Any); }
+ bool isActive(Action ac) const;
+ void setMovingEnabled(bool b) { movingEnabled = b; }
+ bool isMovingEnabled() const { return movingEnabled; }
+
+ bool isButtonDown() const { return buttonDown; }
+
+ void setExtraHeight(int h) { extrahei = h; }
+ void setSizeProtection(bool b) { sizeprotect = b; }
+
+ void setFrameWidth(int w) { fw = w; }
+
+ void doResize();
+ void doMove();
+
+Q_SIGNALS:
+ void activate();
+
+protected:
+ bool eventFilter(QObject *o, QEvent *e);
+ void mouseMoveEvent(QMouseEvent *e);
+ void keyPressEvent(QKeyEvent *e);
+
+private:
+ Q_DISABLE_COPY(QWidgetResizeHandler)
+
+ enum MousePosition {
+ Nowhere,
+ TopLeft, BottomRight, BottomLeft, TopRight,
+ Top, Bottom, Left, Right,
+ Center
+ };
+
+ QWidget *widget;
+ QWidget *childWidget;
+ QPoint moveOffset;
+ QPoint invertedMoveOffset;
+ MousePosition mode;
+ int fw;
+ int extrahei;
+ int range;
+ uint buttonDown :1;
+ uint moveResizeMode :1;
+ uint activeForResize :1;
+ uint sizeprotect :1;
+ uint movingEnabled :1;
+ uint activeForMove :1;
+
+ void setMouseCursor(MousePosition m);
+ bool isMove() const {
+ return moveResizeMode && mode == Center;
+ }
+ bool isResize() const {
+ return moveResizeMode && !isMove();
+ }
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_RESIZEHANDLER
+
+#endif // QWIDGETRESIZEHANDLER_P_H