/*
$Id: kfontdialog_h.html 184062 2002-10-15 18:22:22Z apidocs $
Requires the Qt widget libraries, available at no cost at
http://www.troll.no
Copyright (C) 1997 Bernd Johannes Wuebben <wuebben@kde.org>
Copyright (c) 1999 Preston Brown <pbrown@kde.org>
Copyright (c) 1999 Mario Weilguni <mweilguni@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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef _K_FONT_DIALOG_H_
#define _K_FONT_DIALOG_H_
#include <qlineedit.h>
#include <kdialogbase.h>
class QComboBox;
class QFont;
class QGroupBox;
class QLabel;
class QStringList;
class KListBox;
/**
* A widget for interactive font selection.
*
* While @ref KFontChooser as an ordinary widget can be embedded in
* custom dialogs and therefore is very flexible, in most cases
* it is preferable to use the convenience functions in
* @ref KFontDialog.
*
* @short A font selection widget.
* @author Preston Brown <pbrown@kde.org>, Bernd Wuebben <wuebben@kde.org>
* @version $Id: kfontdialog_h.html 184062 2002-10-15 18:22:22Z apidocs $
*/
class KFontChooser : public QWidget
{
Q_OBJECT
public:
/**
* @li @p FamilyList - Identifies the family (leftmost) list.
* @li @p StyleList - Identifies the style (center) list.
* @li @p SizeList - Identifies the size (rightmost) list.
*/
enum FontColumn { FamilyList=0x01, StyleList=0x02, SizeList=0x04 };
/**
* Constructs a font picker widget.
*
* @param parent The parent widget.
* @param name The widget name.
* @param onlyFixedFonts Only display fonts which have fixed-width
* character sizes.
* @param fontList A list of fonts to display, in XLFD format. If
* no list is formatted, the internal KDE font list is used.
* If that has not been created, X is queried, and all fonts
* available on the system are displayed.
* @param visibleListSize The minimum number of visible entries in the
* fontlists.
*/
KFontChooser(QWidget *parent = 0L, const char *name = 0L,
bool onlyFixed = false,
const QStringList &fontList = QStringList(),
bool makeFrame = true, int visibleListSize=8 );
/**
* Enable or disable a font column in the chooser.
*
* Use this
* function if your application does not need or supports all font
* properties.
*
* @param font Specifie the columns. An or'ed combination of
* @p FamilyList, @p StyleList and @p SizeList is possible.
* @param state If @p false the columns are disabled.
*/
void enableColumn( int column, bool state );
/**
* Set the currently selected font in the chooser.
*
* @param font The font to select.
* @param onlyFixed Readjust the font list to display only fixed
* width fonts if @p true, or vice-versa.
*/
void setFont( const QFont &font, bool onlyFixed = false );
/**
* @return The currently selected font in the chooser.
*/
QFont font() const { return selFont; }
/**
* Set the currently selected charset in the chooser.
*/
void setCharset( const QString & charset );
/**
* @return The currently selected charset in the dialog.
*/
QString charset() const;
/**
* @return The current text in the sample text input area.
*/
QString sampleText() const { return sampleEdit->text(); }
/**
* Set the sample text.
*
* Normally you should not change this
* text, but it can be better to do this if the default text is
* too large for the edit area when using the default font of your
* application.
*
* @param text The new sample text. The current will be removed.
*/
void setSampleText( const QString &text )
{
sampleEdit->setText( text );
}
/**
* Convert a @ref QFont into the corresponding X Logical Font
* Description (XLFD).
*
* @param theFont The font to convert.
* @return A string representing the given font in XLFD format.
*/
static QString getXLFD( const QFont &theFont )
{ return theFont.rawName(); }
/**
* Create a list of font strings that match @p pattern.
*
* @param list The list is returned here.
* @param pattern The font pattern.
*/
static void getFontList( QStringList &list, const char *pattern );
/**
* Create a list of font strings.
*
* @param list The list is returned here.
* @param fixed Flag, when true only fixed fonts are returned.
*/
static void getFontList( QStringList &list, bool fixed );
/**
* Reimplemented for internal reasons.
*/
virtual QSize sizeHint( void ) const;
private slots:
void family_chosen_slot(const QString&);
void size_chosen_slot(const QString&);
void style_chosen_slot(const QString&);
void displaySample(const QFont &font);
void charset_chosen_slot(const QString&);
void showXLFDArea(bool);
signals:
/**
* connect to this to monitor the font as it is selected.
*/
void fontSelected( const QFont &font );
private:
void fillFamilyListBox(bool onlyFixedFonts = false);
void fillCharsetsCombo();
// This one must be static since getFontList( QStringList, char*) is so
static void addFont( QStringList &list, const char *xfont );
void setupDisplay();
// pointer to an optinally supplied list of fonts to
// inserted into the fontdialog font-family combo-box
QStringList fontList;
QGroupBox *xlfdBox;
QLineEdit *sampleEdit;
QLineEdit *xlfdEdit;
QLabel *familyLabel;
QLabel *styleLabel;
QLabel *sizeLabel;
KListBox *familyListBox;
KListBox *styleListBox;
KListBox *sizeListBox;
QComboBox *charsetsCombo;
QFont selFont;
bool usingFixed;
class KFontChooserPrivate;
KFontChooserPrivate *d;
};
/**
* The KFontDialog provides a dialog for interactive font selection.
* It is basically a thin wrapper around the @ref KFontChooser widget,
* which can also be used standalone. In most cases, the simplest
* use of this class is the static method @ref KFontDialog::getFont(),
* which pops up the dialog, allows the user to select a font, and
* returns when the dialog is closed.
*
* Example:
*
* <pre>
* QFont myFont;
* int result = KFontDialog::getFont( myFont );
* if ( result == KFontDialog::Accepted )
* ...
* </pre>
*
* @image kfontdialog.png KFontDialog
*
* @short A font selection dialog.
* @author Preston Brown <pbrown@kde.org>, Bernd Wuebben <wuebben@kde.org>
* @version $Id: kfontdialog_h.html 184062 2002-10-15 18:22:22Z apidocs $
*/
class KFontDialog : public KDialogBase {
Q_OBJECT
public:
/**
* Constructs a font selection dialog.
*
* @param parent The parent widget of the dialog, if any.
* @param name The name of the dialog.
* @param modal Specifies whether the dialog is modal or not.
* @param onlyFixed only display fonts which have fixed-width
* character sizes.
* @param fontlist a list of fonts to display, in XLFD format. If
* no list is formatted, the internal KDE font list is used.
* If that has not been created, X is queried, and all fonts
* available on the system are displayed.
* @param makeFrame Draws a frame with titles around the contents.
*
*/
KFontDialog( QWidget *parent = 0L, const char *name = 0,
bool onlyFixed = false, bool modal = false,
const QStringList &fontlist = QStringList(),
bool makeFrame = true );
/**
* Sets the currently selected font in the dialog.
*
* @param font The font to select.
* @param onlyFixed readjust the font list to display only fixed
* width fonts if true, or vice-versa
*/
void setFont( const QFont &font, bool onlyFixed = false )
{ chooser->setFont(font, onlyFixed); }
/**
* @return The currently selected font in the dialog.
*/
QFont font() const { return chooser->font(); }
/**
* Sets the currently selected charset in the dialog.
*/
void setCharset( const QString & charset )
{ chooser->setCharset( charset ); }
/**
* @return The currently selected charset in the dialog.
*/
QString charset() const { return chooser->charset(); }
/**
* Creates a modal font dialog, lets the user choose a font,
* and returns when the dialog is closed.
*
* @param theFont a reference to the font to write the chosen font
* into.
* @param onlyFixed if true, only select from fixed-width fonts.
* @param parent Parent widget of the dialog. Specifying a widget different
* from 0 (Null) improves centering (looks better).
* @param makeFrame Draws a frame with titles around the contents.
*
* @returns @ref QDialog::result().
*/
static int getFont( QFont &theFont, bool onlyFixed = false,
QWidget *parent = 0L, bool makeFrame = true );
/**
* When you are not only interested in the font selected, but also
* in the example string typed in, you can call this method.
*
* @param theFont a reference to the font to write the chosen font
* into.
* @param theString a reference to the example text that was typed.
* @param onlyFixed if true, only select from fixed-width fonts.
* @param parent Parent widget of the dialog. Specifying a widget different
* from 0 (Null) improves centering (looks better).
* @param makeFrame Draws a frame with titles around the contents.
* @return The result of the dialog.
*/
static int getFontAndText( QFont &theFont, QString &theString,
bool onlyFixed = false, QWidget *parent = 0L,
bool makeFrame = true );
signals:
/**
* Emitted whenever the currently selected font changes.
* Connect to this to monitor the font as it is selected if you are
* not running modal.
*/
void fontSelected( const QFont &font );
protected:
KFontChooser *chooser;
private:
class KFontDialogPrivate;
KFontDialogPrivate *d;
};
#endif
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