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koffice/lib/kotext/KFontDialog_local.h

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/*
$Id: kfontdialog.h,v 1.71 2004/10/10 10:27:49 bhards Exp $
Requires the TQt 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/*This local copy has been added to be able to hide the preview pane of the font chooser. A patch has been made in tdelibs since 3.5. This local copy can be disposed of when we require tdelibs 3.5 and higher*/
#ifndef _K_FONT_DIALOG_LOCAL_H_
#define _K_FONT_DIALOG_LOCAL_H_
#include <tqlineedit.h>
#include <tqbutton.h>
#include <kdialogbase.h>
#include <koffice_export.h>
class TQComboBox;
class TQCheckBox;
class TQFont;
class TQGroupBox;
class TQLabel;
class TQStringList;
class KListBox;
class KIntNumInput;
/**
* @short A font selection widget.
*
* While KFontChooser_local 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
* KFontDialog_local.
*
* @author Preston Brown <pbrown@kde.org>, Bernd Wuebben <wuebben@kde.org>
* @version $Id: kfontdialog.h,v 1.71 2004/10/10 10:27:49 bhards Exp $
*/
class KOTEXT_EXPORT KFontChooser_local : public TQWidget
{
Q_OBJECT
TQ_PROPERTY( TQFont font READ font WRITE setFont )
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};
/**
* @li @p FontDiffFamily - Identifies a requested change in the font family.
* @li @p FontDiffStyle - Identifies a requested change in the font style.
* @li @p FontDiffSize - Identifies a requested change in the font size.
*/
enum FontDiff { FontDiffFamily=0x01, FontDiffStyle=0x02, FontDiffSize=0x04 };
/**
* Constructs a font picker widget.
* It normally comes up with all font families present on the system; the
* getFont method below does allow some more fine-tuning of the selection of fonts
* that will be displayed in the dialog.
* <p>Consider the following code snippet;
* \code
* TQStringList list;
* KFontChooser_local::getFontList(list,SmoothScalableFonts);
* KFontChooser_local chooseFont = new KFontChooser_local(0, "FontList", false, list);
* \endcode
* <p>
* The above creates a font chooser dialog with only SmoothScaleble fonts.
*
* @param parent The parent widget.
* @param name The widget name.
* @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 diff Display the difference version dialog.
* See KFontDialog_local::getFontDiff().
* @param makeFrame Draws a frame with titles around the contents.
* @param visibleListSize The minimum number of visible entries in the
* fontlists.
* @param sizeIsRelativeState If not zero the widget will show a
* checkbox where the user may choose whether the font size
* is to be interpreted as relative size.
* Initial state of this checkbox will be set according to
* *sizeIsRelativeState, user choice may be retrieved by
* calling sizeIsRelative().
*/
KFontChooser_local(TQWidget *parent = 0L, const char *name = 0L,
bool onlyFixed = false,
const TQStringList &fontList = TQStringList(),
bool makeFrame = true, int visibleListSize=8,
bool diff = false, TQButton::ToggleState *sizeIsRelativeState = 0L );
/**
* Destructs the font chooser.
*/
virtual ~KFontChooser_local();
/**
* Enables or disable a font column in the chooser.
*
* Use this
* function if your application does not need or supports all font
* properties.
*
* @param column Specify 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 );
/**
* Sets 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 TQFont &font, bool onlyFixed = false );
/**
* @return The bitmask corresponding to the attributes the user
* wishes to change.
*/
int fontDiffFlags();
/**
* @return The currently selected font in the chooser.
*/
TQFont font() const { return selFont; }
/**
* Sets the color to use in the preview.
*/
void setColor( const TQColor & col );
/**
* @return The color currently used in the preview (default: the text
* color of the active color group)
*/
TQColor color() const;
/**
* Sets the background color to use in the preview.
*/
void setBackgroundColor( const TQColor & col );
/**
* @return The background color currently used in the preview (default:
* the base color of the active colorgroup)
*/
TQColor backgroundColor() const;
/**
* Sets the state of the checkbox indicating whether the font size
* is to be interpreted as relative size.
* NOTE: If parameter sizeIsRelative was not set in the constructor
* of the widget this setting will be ignored.
*/
void setSizeIsRelative( TQButton::ToggleState relative );
/**
* @return Whether the font size is to be interpreted as relative size
* (default: TQButton:Off)
*/
TQButton::ToggleState sizeIsRelative() const;
/**
* @return The current text in the sample text input area.
*/
TQString sampleText() const { return sampleEdit->text(); }
/**
* Sets 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 TQString &text )
{
sampleEdit->setText( text );
}
/**
* Shows or hides the sample text box.
*
* @param visible Set it to true to show the box, to false to hide it.
*/
void setSampleBoxVisible( bool visible )
{
( visible ) ? sampleEdit->show() : sampleEdit->hide();
}
/**
* Converts a TQFont 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 TQString getXLFD( const TQFont &theFont )
{ return theFont.rawName(); }
/**
* The selection criteria for the font families shown in the dialog.
* @li @p FixedWidthFont when included only fixed-width fonts are returned.
* The fonts where the width of every character is equal.
* @li @p ScalableFont when included only scalable fonts are returned;
* certain configurations allow bitmap fonts to remain unscaled and
* thus these fonts have limited number of sizes.
* @li @p SmoothScalableFont when included only return smooth scalable fonts.
* this will return only non-bitmap fonts which are scalable to any size requested.
* Setting this option to true will mean the "scalable" flag is irrelavant.
*/
enum FontListCriteria { FixedWidthFonts=0x01, ScalableFonts=0x02, SmoothScalableFonts=0x04 };
/**
* Creates a list of font strings.
*
* @param list The list is returned here.
* @param fontListCriteria should contain all the restrictions for font selection as OR-ed values
* @see KFontChooser_local::FontListCriteria for the individual values
*/
static void getFontList( TQStringList &list, uint fontListCriteria);
/**
*
* Fill the font family list of the KFontChooser
*
* @param list The font list.
*/
void setFamilyList( TQStringList list );
/**
* Reimplemented for internal reasons.
*/
virtual TQSize sizeHint( void ) const;
signals:
/**
* Emitted whenever the selected font changes.
*/
void fontSelected( const TQFont &font );
private slots:
void toggled_checkbox();
void family_chosen_slot(const TQString&);
void size_chosen_slot(const TQString&);
void style_chosen_slot(const TQString&);
void displaySample(const TQFont &font);
void showXLFDArea(bool);
void size_value_slot(int);
private:
void fillFamilyListBox(bool onlyFixedFonts = false);
void fillSizeList();
// This one must be static since getFontList( TQStringList, char*) is so
static void addFont( TQStringList &list, const char *xfont );
void setupDisplay();
// pointer to an optinally supplied list of fonts to
// inserted into the fontdialog font-family combo-box
TQStringList fontList;
KIntNumInput *sizeOfFont;
TQLineEdit *sampleEdit;
TQLineEdit *xlfdEdit;
TQLabel *familyLabel;
TQLabel *styleLabel;
TQCheckBox *familyCheckbox;
TQCheckBox *styleCheckbox;
TQCheckBox *sizeCheckbox;
TQLabel *sizeLabel;
KListBox *familyListBox;
KListBox *styleListBox;
KListBox *sizeListBox;
TQComboBox *charsetsCombo; // BIC: remove in KDE4
TQCheckBox *sizeIsRelativeCheckBox;
TQFont selFont;
TQString selectedFamily;
TQString selectedStyle;
int selectedSize;
TQMap<TQString, TQString> currentStyles;
bool usingFixed;
protected:
virtual void virtual_hook( int id, void* data );
private:
class KFontChooser_localPrivate;
KFontChooser_localPrivate *d;
};
/**
* @short A font selection dialog.
*
* The KFontDialog_local provides a dialog for interactive font selection.
* It is basically a thin wrapper around the KFontChooser_local widget,
* which can also be used standalone. In most cases, the simplest
* use of this class is the static method KFontDialog_local::getFont(),
* which pops up the dialog, allows the user to select a font, and
* returns when the dialog is closed.
*
* Example:
*
* \code
* TQFont myFont;
* int result = KFontDialog_local::getFont( myFont );
* if ( result == KFontDialog_local::Accepted )
* ...
* \endcode
*
* \image html kfontdialog.png "KDE Font Dialog"
*
* @author Preston Brown <pbrown@kde.org>, Bernd Wuebben <wuebben@kde.org>
* @version $Id: kfontdialog.h,v 1.71 2004/10/10 10:27:49 bhards Exp $
*/
class KOTEXT_EXPORT KFontDialog_local : 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.
* @param diff Display the difference version dialog. See getFontDiff().
* @param sizeIsRelativeState If not zero the widget will show a
* checkbox where the user may choose whether the font size
* is to be interpreted as relative size.
* Initial state of this checkbox will be set according to
* *sizeIsRelativeState, user choice may be retrieved by
* calling sizeIsRelative().
*
*/
KFontDialog_local( TQWidget *parent = 0L, const char *name = 0,
bool onlyFixed = false, bool modal = false,
const TQStringList &fontlist = TQStringList(),
bool makeFrame = true, bool diff = false,
TQButton::ToggleState *sizeIsRelativeState = 0L );
/**
* 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 TQFont &font, bool onlyFixed = false )
{ chooser->setFont(font, onlyFixed); }
/**
* @return The currently selected font in the dialog.
*/
TQFont font() const { return chooser->font(); }
/**
* Sets the state of the checkbox indicating whether the font size
* is to be interpreted as relative size.
* NOTE: If parameter sizeIsRelative was not set in the constructor
* of the dialog this setting will be ignored.
*/
void setSizeIsRelative( TQButton::ToggleState relative )
{ chooser->setSizeIsRelative( relative ); }
/**
* @return Whether the font size is to be interpreted as relative size
* (default: false)
*/
TQButton::ToggleState sizeIsRelative() const
{ return chooser->sizeIsRelative(); }
/**
* 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.
* @param sizeIsRelativeState If not zero the widget will show a
* checkbox where the user may choose whether the font size
* is to be interpreted as relative size.
* Initial state of this checkbox will be set according to
* *sizeIsRelativeState and user choice will be returned
* therein.
*
* @return TQDialog::result().
*/
static int getFont( TQFont &theFont, bool onlyFixed = false,
TQWidget *parent = 0L, bool makeFrame = true,
TQButton::ToggleState *sizeIsRelativeState = 0L );
/**
* Creates a modal font difference dialog, lets the user choose a selection
* of changes that should be made to a set of fonts, and returns when the
* dialog is closed. Useful for choosing slight adjustments to the font set
* when the user would otherwise have to manually edit a number of fonts.
*
* @param theFont a reference to the font to write the chosen font
* into.
* @param diffFlags a reference to the int into which the chosen
* difference selection bitmask should be written.
* Check the returned bitmask like:
* \code
* if ( diffFlags & KFontChooser_local::FontDiffFamily )
* [...]
* if ( diffFlags & KFontChooser_local::FontDiffStyle )
* [...]
* if ( diffFlags & KFontChooser_local::FontDiffSize )
* [...]
* \endcode
* @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.
* @param sizeIsRelativeState If not zero the widget will show a
* checkbox where the user may choose whether the font size
* is to be interpreted as relative size.
* Initial state of this checkbox will be set according to
* *sizeIsRelativeState and user choice will be returned
* therein.
*
* @returns TQDialog::result().
*/
static int getFontDiff( TQFont &theFont, int &diffFlags, bool onlyFixed = false,
TQWidget *parent = 0L, bool makeFrame = true,
TQButton::ToggleState *sizeIsRelativeState = 0L );
/**
* 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.
* @param sizeIsRelativeState If not zero the widget will show a
* checkbox where the user may choose whether the font size
* is to be interpreted as relative size.
* Initial state of this checkbox will be set according to
* *sizeIsRelativeState and user choice will be returned
* therein.
* @return The result of the dialog.
*/
static int getFontAndText( TQFont &theFont, TQString &theString,
bool onlyFixed = false, TQWidget *parent = 0L,
bool makeFrame = true,
TQButton::ToggleState *sizeIsRelativeState = 0L );
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 TQFont &font );
protected:
KFontChooser_local *chooser;
protected:
virtual void virtual_hook( int id, void* data );
private:
class KFontDialog_localPrivate;
KFontDialog_localPrivate *d;
};
#endif
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