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tdewebdev/kommander/widgets/richtexteditor.cpp

250 lines
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/***************************************************************************
richtexteditor.cpp - Widget providing simple rich text editing
-------------------
copyright : (C) 2002 by Marc Britton
email : consume@optusnet.com.au
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/* KDE INCLUDES */
#include <klocale.h>
/* QT INCLUDES */
#include <tqlayout.h>
#include <tqevent.h>
#include <tqtextedit.h>
#include <tqframe.h>
#include <tqwidget.h>
#include <tqlayout.h>
#include <tqtoolbutton.h>
#include <tqpixmap.h>
#include <tqhbuttongroup.h>
#include <tqfont.h>
#include <tqstringlist.h>
#include <tqevent.h>
/* OTHER INCLUDES */
#include <specials.h>
#include "richtexteditor.h"
/* Pixmaps */
#include "pixmaps/textbold.xpm"
#include "pixmaps/textunder.xpm"
#include "pixmaps/textitalic.xpm"
#include "pixmaps/textcenter.xpm"
#include "pixmaps/textleft.xpm"
#include "pixmaps/textright.xpm"
RichTextEditor::RichTextEditor(TQWidget *a_parent, const char *a_name)
: TQWidget(a_parent, a_name), KommanderWidget(TQT_TQOBJECT(this))
{
TQStringList states;
states << "default";
setStates(states);
setDisplayStates(states);
// setup toolbar
m_toolbar = new TQFrame(this, "buttonBar");
m_toolbar->setMinimumSize(0, 32);
m_toolbar->setFrameShape(TQFrame::NoFrame);
m_toolbar->setFrameShadow(TQFrame::Plain);
//setup textedit
m_textedit = new TQTextEdit(this, "editor");
m_textedit->setTextFormat(RichText);
// tqlayout the widgets
TQVBoxLayout *tqlayout = new TQVBoxLayout(this);
tqlayout->addWidget(m_toolbar);
tqlayout->addWidget(m_textedit);
tqlayout->setSpacing(1);
// setup buttons
TQHBoxLayout *tbLayout = new TQHBoxLayout(m_toolbar);
//bold italic underline left right center link
m_formatGroup = new TQHButtonGroup(m_toolbar, "formatGroup");
//m_formatGroup->setFlat(true);
m_alignGroup = new TQHButtonGroup(m_toolbar, "alignGroup");
//m_alignGroup->setFlat(true);
m_alignGroup->setExclusive(true);
tbLayout->insertStretch(0);
tbLayout->addWidget(m_formatGroup);
tbLayout->addWidget(m_alignGroup);
tbLayout->insertStretch(3);
m_buttonTextBold = new TQToolButton(m_formatGroup, "textBold");
m_buttonTextBold->setPixmap(TQPixmap((const char **)bold_xpm));
m_buttonTextBold->setToggleButton(true);
connect(m_buttonTextBold, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(textBold(bool)));
m_buttonTextItalic = new TQToolButton(m_formatGroup, "textItalic");
m_buttonTextItalic->setPixmap(TQPixmap((const char **)italic_xpm));
m_buttonTextItalic->setToggleButton(true);
connect(m_buttonTextItalic, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(textItalic(bool)));
m_buttonTextUnder = new TQToolButton(m_formatGroup, "textUnder");
m_buttonTextUnder->setPixmap(TQPixmap((const char **)under_xpm));
m_buttonTextUnder->setToggleButton(true);
connect(m_buttonTextUnder, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(textUnder(bool)));
m_buttonTextLeft = new TQToolButton(m_alignGroup, "textLeft");
m_buttonTextLeft->setPixmap(TQPixmap((const char **)left_xpm));
m_buttonTextLeft->setToggleButton(true);
m_buttonTextCenter = new TQToolButton(m_alignGroup, "textCenter");
m_buttonTextCenter->setPixmap(TQPixmap((const char **)center_xpm));
m_buttonTextCenter->setToggleButton(true);
m_buttonTextRight = new TQToolButton(m_alignGroup, "textRight");
m_buttonTextRight->setPixmap(TQPixmap((const char **)right_xpm));
m_buttonTextRight->setToggleButton(true);
connect(m_alignGroup, TQT_SIGNAL(clicked(int)), this, TQT_SLOT(textAlign(int)));
connect(m_textedit, TQT_SIGNAL(currentFontChanged(const TQFont &)), this, TQT_SLOT(fontChanged(const TQFont &)));
connect(m_textedit, TQT_SIGNAL(currentAlignmentChanged(int)), this, TQT_SLOT(alignmentChanged(int)));
connect(m_textedit, TQT_SIGNAL(textChanged()), this, TQT_SLOT(setTextChanged()));
}
TQString RichTextEditor::currentState() const
{
return TQString("default");
}
RichTextEditor::~RichTextEditor()
{
}
bool RichTextEditor::isKommanderWidget() const
{
return true;
}
TQStringList RichTextEditor::associatedText() const
{
return KommanderWidget::associatedText();
}
void RichTextEditor::setAssociatedText(const TQStringList& a_at)
{
KommanderWidget::setAssociatedText(a_at);
}
void RichTextEditor::setPopulationText(const TQString& a_text)
{
KommanderWidget::setPopulationText( a_text );
}
TQString RichTextEditor::populationText() const
{
return KommanderWidget::populationText();
}
void RichTextEditor::populate()
{
TQString txt = KommanderWidget::evalAssociatedText( populationText() );
setWidgetText( txt );
}
void RichTextEditor::setWidgetText(const TQString &a_text)
{
m_textedit->setText(a_text);
emit widgetTextChanged(a_text);
}
void RichTextEditor::setTextChanged()
{
emit widgetTextChanged(m_textedit->text());
}
void RichTextEditor::textBold(bool a_isOn)
{
m_textedit->setBold(a_isOn);
}
void RichTextEditor::textUnder(bool a_isOn)
{
m_textedit->setUnderline(a_isOn);
}
void RichTextEditor::textItalic(bool a_isOn)
{
m_textedit->setItalic(a_isOn);
}
void RichTextEditor::textAlign(int a_id)
{
TQToolButton *b = (TQToolButton *)m_alignGroup->find(a_id);
if(b == m_buttonTextLeft)
m_textedit->setAlignment(TQt::AlignLeft);
else if(b == m_buttonTextCenter)
m_textedit->setAlignment(TQt::AlignCenter);
else if(b == m_buttonTextRight)
m_textedit->setAlignment(TQt::AlignRight);
}
void RichTextEditor::fontChanged(const TQFont &a_font)
{
m_buttonTextBold->setOn(a_font.bold());
m_buttonTextItalic->setOn(a_font.italic());
m_buttonTextUnder->setOn(a_font.underline());
}
void RichTextEditor::alignmentChanged(int a_alignment)
{
if((a_alignment == AlignAuto) || (a_alignment & AlignLeft))
m_buttonTextLeft->setOn(true);
else if(a_alignment & AlignHCenter)
m_buttonTextCenter->setOn(true);
else if(a_alignment & AlignRight)
m_buttonTextRight->setOn(true);
}
void RichTextEditor::showEvent( TQShowEvent *e )
{
TQWidget::showEvent(e);
emit widgetOpened();
}
void RichTextEditor::contextMenuEvent( TQContextMenuEvent * e )
{
e->accept();
TQPoint p = e->globalPos();
emit contextMenuRequested(p.x(), p.y());
}
bool RichTextEditor::isFunctionSupported(int f)
{
return f == DCOP::text || f == DCOP::setText || f == DCOP::clear || f == DCOP::selection || f == DCOP::setEditable;
}
TQString RichTextEditor::handleDCOP(int function, const TQStringList& args)
{
switch (function) {
case DCOP::text:
return m_textedit->text();
case DCOP::setText:
setWidgetText(args[0]);
break;
case DCOP::selection:
return m_textedit->selectedText();
case DCOP::clear:
setWidgetText("");
break;
case DCOP::setEditable:
m_textedit->setReadOnly(args[0] == "false" || args[0] == "0");
break;
default:
return KommanderWidget::handleDCOP(function, args);
}
return TQString();
}
#include "richtexteditor.moc"