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+/* This file is part of the KDE libraries
+
+ Copyright (C) 1999 Reginald Stadlbauer <reggie@kde.org>
+
+ This library 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 of the License, or (at your option) any later version.
+
+ This library 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 library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#ifndef kcharselect_h
+#define kcharselect_h
+
+#include <qgridview.h>
+#include <qvbox.h>
+#include <qcombobox.h>
+#include <qspinbox.h>
+#include <qstring.h>
+#include <qpoint.h>
+#include <qstringlist.h>
+
+#include <kdelibs_export.h>
+
+class QFont;
+class QFontDatabase;
+class QMouseEvent;
+class QSpinBox;
+class KCharSelectTablePrivate;
+class KCharSelectPrivate;
+
+/**
+ * @short Character selection table
+ *
+ * A table widget which displays the characters of a font. Internally
+ * used by KCharSelect. See the KCharSelect documentation for further
+ * details.
+ *
+ * @author Reginald Stadlbauer <reggie@kde.org>
+ */
+
+class KDEUI_EXPORT KCharSelectTable : public QGridView
+{
+ Q_OBJECT
+
+public:
+ KCharSelectTable( QWidget *parent, const char *name, const QString &_font,
+ const QChar &_chr, int _tableNum );
+
+ virtual QSize sizeHint() const;
+ virtual void resizeEvent( QResizeEvent * );
+
+ virtual void setFont( const QString &_font );
+ virtual void setChar( const QChar &_chr );
+ virtual void setTableNum( int _tableNum );
+
+ virtual QChar chr() { return vChr; }
+
+protected:
+ virtual void paintCell( class QPainter *p, int row, int col );
+
+ virtual void mousePressEvent( QMouseEvent *e ) { mouseMoveEvent( e ); }
+ virtual void mouseDoubleClickEvent ( QMouseEvent *e ){ mouseMoveEvent( e ); emit doubleClicked();}
+ virtual void mouseReleaseEvent( QMouseEvent *e ) { mouseMoveEvent( e ); emit activated( chr() ); emit activated(); }
+ virtual void mouseMoveEvent( QMouseEvent *e );
+
+ virtual void keyPressEvent( QKeyEvent *e );
+
+ void gotoLeft();
+ void gotoRight();
+ void gotoUp();
+ void gotoDown();
+
+ QString vFont;
+ QChar vChr;
+ int vTableNum;
+ QPoint vPos;
+ QChar focusItem;
+ QPoint focusPos;
+ int temp;
+
+signals:
+ void highlighted( const QChar &c );
+ void highlighted();
+ void activated( const QChar &c );
+ void activated();
+ void focusItemChanged();
+ void focusItemChanged( const QChar &c );
+ void tableUp();
+ void tableDown();
+ void doubleClicked();
+
+private:
+ virtual void setFont(const QFont &f) { QGridView::setFont(f); }
+ void setToolTips();
+protected:
+ virtual void virtual_hook( int id, void* data );
+private:
+ KCharSelectTablePrivate* const d;
+};
+
+/**
+ * @short Character selection widget
+ *
+ * This widget allows the user to select a character of a
+ * specified font in a table
+ *
+ * \image html kcharselect.png "Character Selection Widget"
+ *
+ * You can specify the font whose characters should be displayed via
+ * setFont() or in the constructor. Using enableFontCombo() you can allow the
+ * user to choose the font from a combob-box. As only 256 characters
+ * are displayed at once in the table, using the spinbox on the top
+ * the user can choose starting from which character the table
+ * displays them. This spinbox also can be enabled or disabled using
+ * enableTableSpinBox().
+ *
+ * KCharSelect supports keyboard and mouse navigation. Click+Move
+ * always selects the character below the mouse cursor. Using the
+ * arrow keys moves the focus mark around and pressing RETURN
+ * or SPACE selects the cell which contains the focus mark.
+ *
+ * To get the current selected character, use the chr()
+ * method. You can set the character which should be displayed with
+ * setChar() and the table number which should be displayed with
+ * setTableNum().
+ *
+ * @author Reginald Stadlbauer <reggie@kde.org>
+ */
+
+class KDEUI_EXPORT KCharSelect : public QVBox
+{
+ Q_OBJECT
+ Q_PROPERTY( QString fontFamily READ font WRITE setFont )
+ Q_PROPERTY( int tableNum READ tableNum WRITE setTableNum )
+ Q_PROPERTY( bool fontComboEnabled READ isFontComboEnabled WRITE enableFontCombo )
+ Q_PROPERTY( bool tableSpinBoxEnabled READ isTableSpinBoxEnabled WRITE enableTableSpinBox )
+
+public:
+ /**
+ * Constructor. @p font specifies which font should be displayed, @p
+ * chr which character should be selected and @p tableNum specifies
+ * the number of the table which should be displayed.
+ */
+ KCharSelect( QWidget *parent, const char *name,
+ const QString &font = QString::null, const QChar &chr = ' ', int tableNum = 0 );
+ ~KCharSelect();
+ /**
+ * Reimplemented.
+ */
+ virtual QSize sizeHint() const;
+
+ /**
+ * Sets the font which is displayed to @p font
+ */
+ virtual void setFont( const QString &font );
+
+ /**
+ * Sets the currently selected character to @p chr.
+ */
+ virtual void setChar( const QChar &chr );
+
+ /**
+ * Sets the currently displayed table to @p tableNum.
+ */
+ virtual void setTableNum( int tableNum );
+
+ /**
+ * Returns the currently selected character.
+ */
+ virtual QChar chr() const { return charTable->chr(); }
+
+ /**
+ * Returns the currently displayed font.
+ */
+ virtual QString font() const { return fontCombo->currentText(); }
+
+ /**
+ * Returns the currently displayed table
+ */
+ virtual int tableNum() const { return tableSpinBox->value(); }
+
+ /**
+ * If @p e is set to true, the combobox which allows the user to
+ * select the font which should be displayed is enabled, else
+ * disabled.
+ */
+ virtual void enableFontCombo( bool e ) { fontCombo->setEnabled( e ); }
+
+ /**
+
+ * If @p e is set to true, the spinbox which allows the user to
+ * specify which characters of the font should be displayed, is
+ * enabled, else disabled.
+ */
+ virtual void enableTableSpinBox( bool e ) { tableSpinBox->setEnabled( e ); }
+
+ /**
+ * Returns wether the font combobox on the top is enabled or
+ * disabled.
+ *
+ * @see enableFontCombo()
+ */
+ virtual bool isFontComboEnabled() const { return fontCombo->isEnabled(); }
+
+ /**
+ * Returns wether the table spinbox on the top is enabled or
+ * disabled.
+ *
+ * @see enableTableSpinBox()
+ */
+ virtual bool isTableSpinBoxEnabled() const { return tableSpinBox->isEnabled(); }
+
+protected:
+ virtual void fillFontCombo();
+ static void cleanupFontDatabase();
+
+ QComboBox *fontCombo;
+ QSpinBox *tableSpinBox;
+ KCharSelectTable *charTable;
+ QStringList fontList;
+ static QFontDatabase * fontDataBase;
+
+protected slots:
+ void fontSelected( const QString &_font );
+ void tableChanged( int _value );
+ void charHighlighted( const QChar &c ) { emit highlighted( c ); }
+ void charHighlighted() { emit highlighted(); }
+ void charActivated( const QChar &c ) { emit activated( c ); }
+ void charActivated() { emit activated(); }
+ void charFocusItemChanged() { emit focusItemChanged(); }
+ void charFocusItemChanged( const QChar &c ) { emit focusItemChanged( c ); }
+ void charTableUp() { if ( tableNum() < 255 ) setTableNum( tableNum() + 1 ); }
+ void charTableDown() { if ( tableNum() > 0 ) setTableNum( tableNum() - 1 ); }
+ void slotDoubleClicked() { emit doubleClicked(); }
+ void slotUnicodeEntered();
+ void slotUpdateUnicode( const QChar &c );
+signals:
+ void highlighted( const QChar &c );
+ void highlighted();
+ void activated( const QChar &c );
+ void activated();
+ void fontChanged( const QString &_font );
+ void focusItemChanged();
+ void focusItemChanged( const QChar &c );
+ void doubleClicked();
+
+private:
+ virtual void setFont(const QFont &f) { QVBox::setFont(f); }
+protected:
+ virtual void virtual_hook( int id, void* data );
+private:
+ class KCharSelectPrivate;
+ KCharSelectPrivate* const d;
+};
+
+#endif
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