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/* Pango
* viewer-qt.cc: Example program to view a UTF-8 encoding file
* using Pango to render result.
*
* Copyright (C) 1999-2000 Red Hat Software
*
* 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; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <qscrollview.h>
#include <qlist.h>
#include <qmainwindow.h>
#include <pango/pango.h>
class QComboBox;
class QSpinBox;
class ViewerPara
{
public:
ViewerPara (PangoContext *context, const QString &text);
~ViewerPara ();
void setWidth (int width);
void contextChanged ();
int height ();
void draw (QPainter *painter, GC gc, int y);
QRect charBounds (int index);
gunichar getChar (int index);
int findPoint (int x, int y);
private:
QCString text_;
int height_;
PangoLayout *layout_;
};
class ViewerView : public QScrollView
{
Q_OBJECT
public:
ViewerView::ViewerView (QWidget *parent, QStatusBar *status = NULL);
~ViewerView ();
void readFile (const QString &name);
void setFontDesc (PangoFontDescription *font_desc);
void setDirection (PangoDirection base_dir);
void computeHeight ();
PangoContext *context() { return context_; }
protected:
virtual void drawContents (QPainter *p, int clipx, int clipy, int clipw, int cliph);
virtual void viewportResizeEvent ( QResizeEvent *event );
virtual void contentsMousePressEvent (QMouseEvent *event);
private:
void contextChanged ();
void updateHighlightChar ();
QStatusBar *status_;
PangoContext *context_;
QList<ViewerPara> paragraphs_;
ViewerPara *highlight_para_;
int highlight_index_;
};
class ViewerWindow : public QMainWindow
{
Q_OBJECT
public:
ViewerWindow (const QString &filename);
~ViewerWindow ();
private:
ViewerView *view_;
PangoContext *context_;
QComboBox *family_combo_;
QComboBox *style_combo_;
QSpinBox *size_box_;
QPopupMenu *file_menu_;
int right_to_left_item_;
private slots:
void fillStyleCombo (int index);
void fontChanged ();
void setRightToLeft ();
};
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