telutils/dialpad/inc/dialpadnumericbuttongrid.h
changeset 50 2313cb430f28
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telutils/dialpad/inc/dialpadnumericbuttongrid.h	Fri Sep 17 08:33:29 2010 +0300
@@ -0,0 +1,109 @@
+/*!
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Implements grid of numeric buttons
+*
+*/
+
+#ifndef DIALPADNUMERICBUTTONGRID_H
+#define DIALPADNUMERICBUTTONGRID_H
+
+#include <QTextLayout>
+#include <QColor>
+#include <hbinputbuttongroup.h>
+
+class DialpadNumericButton;
+
+class DialpadNumericButtonGrid : public HbInputButtonGroup
+{
+    Q_OBJECT
+
+public:
+    explicit DialpadNumericButtonGrid(
+        const HbMainWindow& mainWindow,
+        QGraphicsItem* parent=0);
+
+    ~DialpadNumericButtonGrid();
+
+public:
+    void resetButtons();
+
+    QChar inputCharacter(int keyCode) const;
+
+protected slots:
+    void setButtonTexts();
+    void updateButtonLabels();
+    void cancelButtonPress();
+
+protected:
+    inline DialpadNumericButton* button(int i) const;
+    void updateColorArray();
+    void updateIconColor();
+    void updateTextLayouts(const QSizeF &size);
+    void resolveTextContent(QList<QString> &content, bool& useTwoRows);
+    void createTextLayouts(const QSizeF &size,
+                           const QList<QString> &content,
+                           bool useTwoRows);
+    void layoutTextLines(const QSizeF &size,
+                         QTextLayout &textLayout,
+                         int state,
+                         int type,
+                         bool useTwoRows);
+    inline void layoutPrimaryText(
+        QTextLayout& layout,
+        DialpadNumericButton& button,
+        qreal cellWidth,
+        qreal cellHeight,
+        qreal textHeight) const;
+    inline void layoutSecondaryText(
+        QTextLayout& layout,
+        DialpadNumericButton& button,
+        qreal cellWidth,
+        qreal cellHeight,
+        qreal textHeight,
+        qreal textDescent,
+        bool useTwoRows) const;
+    bool isButtonPressed() const;
+    void updateIconSizes();
+
+protected:
+    void paint(QPainter* painter,
+               const QStyleOptionGraphicsItem* option,
+               QWidget* widget);
+    void setGeometry(const QRectF &rect);
+    void changeEvent(QEvent *event);
+
+private:
+    enum ButtonState {
+        Normal = 0,
+        Pressed,
+        StateCount
+    };
+
+    enum TextType {
+        PrimaryText = 0,
+        SecondaryText,
+        TextTypeCount
+    };
+
+private:
+    const HbMainWindow& mMainWindow;
+    QList<QColor> mColors;
+    QList<QTextLayout*> mTextLayouts;
+    qreal mUnit;
+    qreal mMaxPrimaryLineWidth;
+    qreal mPrimaryTextBaseline;
+    QMap<int,QChar> mGeneratedChar;
+};
+
+#endif // DIALPADNUMERICBUTTONGRID_H