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tdelibs/khtml/rendering/render_form.cpp

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/*
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* (C) 2006 Maksim Orlovich (maksim@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.
*
*/
#include <kcompletionbox.h>
#include <kcursor.h>
#include <kdebug.h>
#include <kfiledialog.h>
#include <kfind.h>
#include <kfinddialog.h>
#include <kiconloader.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kreplace.h>
#include <kreplacedialog.h>
#include <kspell.h>
#include <kurlcompletion.h>
#include <kwin.h>
#include <tqstyle.h>
#include "misc/helper.h"
#include "xml/dom2_eventsimpl.h"
#include "html/html_formimpl.h"
#include "misc/htmlhashes.h"
#include "rendering/render_form.h"
#include <assert.h>
#include "khtmlview.h"
#include "khtml_ext.h"
#include "xml/dom_docimpl.h"
#include <tqpopupmenu.h>
#include <tqbitmap.h>
using namespace khtml;
RenderFormElement::RenderFormElement(HTMLGenericFormElementImpl *element)
: RenderWidget(element)
{
// init RenderObject attributes
setInline(true); // our object is Inline
m_state = 0;
}
RenderFormElement::~RenderFormElement()
{
}
short RenderFormElement::baselinePosition( bool f ) const
{
return RenderWidget::baselinePosition( f ) - 2 - style()->fontMetrics().descent();
}
void RenderFormElement::updateFromElement()
{
m_widget->setEnabled(!element()->disabled());
RenderWidget::updateFromElement();
}
void RenderFormElement::layout()
{
KHTMLAssert( needsLayout() );
KHTMLAssert( minMaxKnown() );
// minimum height
m_height = 0;
calcWidth();
calcHeight();
if ( m_widget )
resizeWidget(m_width-borderLeft()-borderRight()-paddingLeft()-paddingRight(),
m_height-borderTop()-borderBottom()-paddingTop()-paddingBottom());
setNeedsLayout(false);
}
TQ_Alignment RenderFormElement::textAlignment() const
{
switch (style()->textAlign()) {
case LEFT:
case KHTML_LEFT:
return Qt::AlignLeft;
case RIGHT:
case KHTML_RIGHT:
return Qt::AlignRight;
case CENTER:
case KHTML_CENTER:
return Qt::AlignHCenter;
case JUSTIFY:
// Just fall into the auto code for justify.
case TAAUTO:
return style()->direction() == RTL ? Qt::AlignRight : Qt::AlignLeft;
}
assert(false); // Should never be reached.
return Qt::AlignLeft;
}
// -------------------------------------------------------------------------
RenderButton::RenderButton(HTMLGenericFormElementImpl *element)
: RenderFormElement(element)
{
}
short RenderButton::baselinePosition( bool f ) const
{
return RenderWidget::baselinePosition( f ) - 2;
}
// -------------------------------------------------------------------------------
RenderCheckBox::RenderCheckBox(HTMLInputElementImpl *element)
: RenderButton(element)
{
TQCheckBox* b = new TQCheckBox(view()->viewport(), "__khtml");
b->setAutoMask(true);
b->setMouseTracking(true);
setQWidget(b);
// prevent firing toggled() signals on initialization
b->setChecked(element->checked());
connect(b,TQT_SIGNAL(stateChanged(int)),this,TQT_SLOT(slotStateChanged(int)));
}
void RenderCheckBox::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
TQCheckBox *cb = static_cast<TQCheckBox *>( m_widget );
TQSize s( cb->style().pixelMetric( TQStyle::PM_IndicatorWidth ),
cb->style().pixelMetric( TQStyle::PM_IndicatorHeight ) );
setIntrinsicWidth( s.width() );
setIntrinsicHeight( s.height() );
RenderButton::calcMinMaxWidth();
}
void RenderCheckBox::updateFromElement()
{
widget()->setChecked(element()->checked());
RenderButton::updateFromElement();
}
void RenderCheckBox::slotStateChanged(int state)
{
element()->setChecked(state == TQButton::On);
element()->setIndeterminate(state == TQButton::NoChange);
ref();
element()->onChange();
deref();
}
// -------------------------------------------------------------------------------
RenderRadioButton::RenderRadioButton(HTMLInputElementImpl *element)
: RenderButton(element)
{
TQRadioButton* b = new TQRadioButton(view()->viewport(), "__khtml");
b->setMouseTracking(true);
setQWidget(b);
// prevent firing toggled() signals on initialization
b->setChecked(element->checked());
connect(b,TQT_SIGNAL(toggled(bool)),this,TQT_SLOT(slotToggled(bool)));
}
void RenderRadioButton::updateFromElement()
{
widget()->setChecked(element()->checked());
RenderButton::updateFromElement();
}
void RenderRadioButton::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
TQRadioButton *rb = static_cast<TQRadioButton *>( m_widget );
TQSize s( rb->style().pixelMetric( TQStyle::PM_ExclusiveIndicatorWidth ),
rb->style().pixelMetric( TQStyle::PM_ExclusiveIndicatorHeight ) );
setIntrinsicWidth( s.width() );
setIntrinsicHeight( s.height() );
RenderButton::calcMinMaxWidth();
}
void RenderRadioButton::slotToggled(bool activated)
{
if(activated) {
ref();
element()->onChange();
deref();
}
}
// -------------------------------------------------------------------------------
RenderSubmitButton::RenderSubmitButton(HTMLInputElementImpl *element)
: RenderButton(element)
{
TQPushButton* p = new TQPushButton(view()->viewport(), "__khtml");
setQWidget(p);
p->setAutoMask(true);
p->setMouseTracking(true);
}
TQString RenderSubmitButton::rawText()
{
TQString value = element()->valueWithDefault().string();
value = value.stripWhiteSpace();
TQString raw;
for(unsigned int i = 0; i < value.length(); i++) {
raw += value[i];
if(value[i] == '&')
raw += '&';
}
return raw;
}
void RenderSubmitButton::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
TQString raw = rawText();
TQPushButton* pb = static_cast<TQPushButton*>(m_widget);
pb->setText(raw);
pb->setFont(style()->font());
bool empty = raw.isEmpty();
if ( empty )
raw = TQString::fromLatin1("X");
TQFontMetrics fm = pb->fontMetrics();
TQSize ts = fm.size( ShowPrefix, raw);
TQSize s(pb->style().tqsizeFromContents( TQStyle::CT_PushButton, pb, ts )
.expandedTo(TQApplication::globalStrut()));
int margin = pb->style().pixelMetric( TQStyle::PM_ButtonMargin, pb) +
pb->style().pixelMetric( TQStyle::PM_DefaultFrameWidth, pb ) * 2;
int w = ts.width() + margin;
int h = s.height();
if (pb->isDefault() || pb->autoDefault()) {
int dbw = pb->style().pixelMetric( TQStyle::PM_ButtonDefaultIndicator, pb ) * 2;
w += dbw;
}
// add 30% margins to the width (heuristics to make it look similar to IE)
s = TQSize( w*13/10, h ).expandedTo(TQApplication::globalStrut());
setIntrinsicWidth( s.width() );
setIntrinsicHeight( s.height() );
RenderButton::calcMinMaxWidth();
}
void RenderSubmitButton::updateFromElement()
{
TQString oldText = static_cast<TQPushButton*>(m_widget)->text();
TQString newText = rawText();
static_cast<TQPushButton*>(m_widget)->setText(newText);
if ( oldText != newText )
setNeedsLayoutAndMinMaxRecalc();
RenderFormElement::updateFromElement();
}
short RenderSubmitButton::baselinePosition( bool f ) const
{
return RenderFormElement::baselinePosition( f );
}
// -------------------------------------------------------------------------------
RenderResetButton::RenderResetButton(HTMLInputElementImpl *element)
: RenderSubmitButton(element)
{
}
// -------------------------------------------------------------------------------
LineEditWidget::LineEditWidget(DOM::HTMLInputElementImpl* input, KHTMLView* view, TQWidget* parent)
: KLineEdit(parent, "__khtml"), m_input(input), m_view(view), m_spell(0)
{
setMouseTracking(true);
KActionCollection *ac = new KActionCollection(this);
m_spellAction = KStdAction::spelling( TQT_TQOBJECT(this), TQT_SLOT( slotCheckSpelling() ), ac );
}
LineEditWidget::~LineEditWidget()
{
delete m_spell;
m_spell = 0L;
}
void LineEditWidget::slotCheckSpelling()
{
if ( text().isEmpty() ) {
return;
}
delete m_spell;
m_spell = new KSpell( this, i18n( "Spell Checking" ), TQT_TQOBJECT(this), TQT_SLOT( slotSpellCheckReady( KSpell *) ), 0, true, true);
connect( m_spell, TQT_SIGNAL( death() ),this, TQT_SLOT( spellCheckerFinished() ) );
connect( m_spell, TQT_SIGNAL( misspelling( const TQString &, const TQStringList &, unsigned int ) ),this, TQT_SLOT( spellCheckerMisspelling( const TQString &, const TQStringList &, unsigned int ) ) );
connect( m_spell, TQT_SIGNAL( corrected( const TQString &, const TQString &, unsigned int ) ),this, TQT_SLOT( spellCheckerCorrected( const TQString &, const TQString &, unsigned int ) ) );
}
void LineEditWidget::spellCheckerMisspelling( const TQString &_text, const TQStringList &, unsigned int pos)
{
highLightWord( _text.length(),pos );
}
void LineEditWidget::highLightWord( unsigned int length, unsigned int pos )
{
setSelection ( pos, length );
}
void LineEditWidget::spellCheckerCorrected( const TQString &old, const TQString &corr, unsigned int pos )
{
if( old!= corr )
{
setSelection ( pos, old.length() );
insert( corr );
setSelection ( pos, corr.length() );
}
}
void LineEditWidget::spellCheckerFinished()
{
}
void LineEditWidget::slotSpellCheckReady( KSpell *s )
{
s->check( text() );
connect( s, TQT_SIGNAL( done( const TQString & ) ), this, TQT_SLOT( slotSpellCheckDone( const TQString & ) ) );
}
void LineEditWidget::slotSpellCheckDone( const TQString &s )
{
if( s != text() )
setText( s );
}
TQPopupMenu *LineEditWidget::createPopupMenu()
{
TQPopupMenu *popup = KLineEdit::createPopupMenu();
if ( !popup ) {
return 0L;
}
connect( popup, TQT_SIGNAL( activated( int ) ),
this, TQT_SLOT( extendedMenuActivated( int ) ) );
if (m_input->autoComplete()) {
popup->insertSeparator();
int id = popup->insertItem( SmallIconSet("edit"), i18n("&Edit History..."), EditHistory );
popup->setItemEnabled( id, (compObj() && !compObj()->isEmpty()) );
id = popup->insertItem( SmallIconSet("history_clear"), i18n("Clear &History"), ClearHistory );
popup->setItemEnabled( id, (compObj() && !compObj()->isEmpty()) );
}
if (echoMode() == TQLineEdit::Normal &&
!isReadOnly()) {
popup->insertSeparator();
m_spellAction->plug(popup);
m_spellAction->setEnabled( !text().isEmpty() );
}
return popup;
}
void LineEditWidget::extendedMenuActivated( int id)
{
switch ( id )
{
case ClearHistory:
m_view->clearCompletionHistory(m_input->name().string());
if (compObj())
compObj()->clear();
case EditHistory:
{
KHistoryComboEditor dlg( compObj() ? compObj()->items() : TQStringList(), this );
connect( &dlg, TQT_SIGNAL( removeFromHistory(const TQString&) ), TQT_SLOT( slotRemoveFromHistory(const TQString&)) );
dlg.exec();
}
default:
break;
}
}
void LineEditWidget::slotRemoveFromHistory(const TQString &entry)
{
m_view->removeFormCompletionItem(m_input->name().string(), entry);
if (compObj())
compObj()->removeItem(entry);
}
bool LineEditWidget::event( TQEvent *e )
{
if (KLineEdit::event(e))
return true;
if ( e->type() == TQEvent::AccelAvailable && isReadOnly() ) {
TQKeyEvent* ke = (TQKeyEvent*) e;
if ( ke->state() & ControlButton ) {
switch ( ke->key() ) {
case Key_Left:
case Key_Right:
case Key_Up:
case Key_Down:
case Key_Home:
case Key_End:
ke->accept();
default:
break;
}
}
}
return false;
}
void LineEditWidget::mouseMoveEvent(TQMouseEvent *e)
{
// hack to prevent Qt from calling setCursor on the widget
setDragEnabled(false);
KLineEdit::mouseMoveEvent(e);
setDragEnabled(true);
}
// -----------------------------------------------------------------------------
RenderLineEdit::RenderLineEdit(HTMLInputElementImpl *element)
: RenderFormElement(element)
{
LineEditWidget *edit = new LineEditWidget(element, view(), view()->viewport());
connect(edit,TQT_SIGNAL(returnPressed()), this, TQT_SLOT(slotReturnPressed()));
connect(edit,TQT_SIGNAL(textChanged(const TQString &)),this,TQT_SLOT(slotTextChanged(const TQString &)));
if(element->inputType() == HTMLInputElementImpl::PASSWORD)
edit->setEchoMode( TQLineEdit::Password );
if ( element->autoComplete() ) {
TQStringList completions = view()->formCompletionItems(element->name().string());
if (completions.count()) {
edit->completionObject()->setItems(completions);
edit->setContextMenuEnabled(true);
edit->completionBox()->setTabHandling( false );
}
}
setQWidget(edit);
}
void RenderLineEdit::setStyle(RenderStyle* _style)
{
RenderFormElement::setStyle( _style );
widget()->setAlignment(textAlignment());
}
void RenderLineEdit::highLightWord( unsigned int length, unsigned int pos )
{
LineEditWidget* w = static_cast<LineEditWidget*>(m_widget);
if ( w )
w->highLightWord( length, pos );
}
void RenderLineEdit::slotReturnPressed()
{
// don't submit the form when return was pressed in a completion-popup
KCompletionBox *box = widget()->completionBox(false);
if ( box && box->isVisible() && box->currentItem() != -1 ) {
box->hide();
return;
}
// Emit onChange if necessary
// Works but might not be enough, dirk said he had another solution at
// hand (can't remember which) - David
handleFocusOut();
HTMLFormElementImpl* fe = element()->form();
if ( fe )
fe->submitFromKeyboard();
}
void RenderLineEdit::handleFocusOut()
{
if ( widget() && widget()->edited() ) {
element()->onChange();
widget()->setEdited( false );
}
}
void RenderLineEdit::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
const TQFontMetrics &fm = style()->fontMetrics();
TQSize s;
int size = element()->size();
int h = fm.lineSpacing();
int w = fm.width( 'x' ) * (size > 0 ? size+1 : 17); // "some"
s = TQSize(w + 2 + 2*widget()->frameWidth(),
kMax(h, 14) + 2 + 2*widget()->frameWidth())
.expandedTo(TQApplication::globalStrut());
setIntrinsicWidth( s.width() );
setIntrinsicHeight( s.height() );
RenderFormElement::calcMinMaxWidth();
}
void RenderLineEdit::updateFromElement()
{
int ml = element()->maxLength();
if ( ml < 0 )
ml = 32767;
if ( widget()->maxLength() != ml ) {
widget()->setMaxLength( ml );
}
if (element()->value().string() != widget()->text()) {
widget()->blockSignals(true);
int pos = widget()->cursorPosition();
widget()->setText(element()->value().string());
widget()->setEdited( false );
widget()->setCursorPosition(pos);
widget()->blockSignals(false);
}
widget()->setReadOnly(element()->readOnly());
RenderFormElement::updateFromElement();
}
void RenderLineEdit::slotTextChanged(const TQString &string)
{
// don't use setValue here!
element()->m_value = string;
element()->m_unsubmittedFormChange = true;
}
void RenderLineEdit::select()
{
static_cast<LineEditWidget*>(m_widget)->selectAll();
}
long RenderLineEdit::selectionStart()
{
LineEditWidget* w = static_cast<LineEditWidget*>(m_widget);
if (w->hasSelectedText())
return w->selectionStart();
else
return w->cursorPosition();
}
long RenderLineEdit::selectionEnd()
{
LineEditWidget* w = static_cast<LineEditWidget*>(m_widget);
if (w->hasSelectedText())
return w->selectionStart() + w->selectedText().length();
else
return w->cursorPosition();
}
void RenderLineEdit::setSelectionStart(long pos)
{
LineEditWidget* w = static_cast<LineEditWidget*>(m_widget);
//See whether we have a non-empty selection now.
long end = selectionEnd();
if (end > pos)
w->setSelection(pos, end - pos);
w->setCursorPosition(pos);
}
void RenderLineEdit::setSelectionEnd(long pos)
{
LineEditWidget* w = static_cast<LineEditWidget*>(m_widget);
//See whether we have a non-empty selection now.
long start = selectionStart();
if (start < pos)
w->setSelection(start, pos - start);
w->setCursorPosition(pos);
}
void RenderLineEdit::setSelectionRange(long start, long end)
{
LineEditWidget* w = static_cast<LineEditWidget*>(m_widget);
w->setCursorPosition(end);
w->setSelection(start, end - start);
}
// ---------------------------------------------------------------------------
RenderFieldset::RenderFieldset(HTMLGenericFormElementImpl *element)
: RenderBlock(element)
{
}
RenderObject* RenderFieldset::layoutLegend(bool relayoutChildren)
{
RenderObject* legend = findLegend();
if (legend) {
if (relayoutChildren)
legend->setNeedsLayout(true);
legend->layoutIfNeeded();
int xPos = borderLeft() + paddingLeft() + legend->marginLeft();
if (style()->direction() == RTL)
xPos = m_width - paddingRight() - borderRight() - legend->width() - legend->marginRight();
int b = borderTop();
int h = legend->height();
legend->setPos(xPos, kMax((b-h)/2, 0));
m_height = kMax(b,h) + paddingTop();
}
return legend;
}
RenderObject* RenderFieldset::findLegend()
{
for (RenderObject* legend = firstChild(); legend; legend = legend->nextSibling()) {
if (!legend->isFloatingOrPositioned() && legend->element() &&
legend->element()->id() == ID_LEGEND)
return legend;
}
return 0;
}
void RenderFieldset::paintBoxDecorations(PaintInfo& pI, int _tx, int _ty)
{
//kdDebug( 6040 ) << renderName() << "::paintDecorations()" << endl;
RenderObject* legend = findLegend();
if (!legend)
return RenderBlock::paintBoxDecorations(pI, _tx, _ty);
int w = width();
int h = height() + borderTopExtra() + borderBottomExtra();
int yOff = (legend->yPos() > 0) ? 0 : (legend->height()-borderTop())/2;
h -= yOff;
_ty += yOff - borderTopExtra();
int my = kMax(_ty,pI.r.y());
int end = kMin( pI.r.y() + pI.r.height(), _ty + h );
int mh = end - my;
paintBackground(pI.p, style()->backgroundColor(), style()->backgroundLayers(), my, mh, _tx, _ty, w, h);
if ( style()->hasBorder() )
paintBorderMinusLegend(pI.p, _tx, _ty, w, h, style(), legend->xPos(), legend->width());
}
void RenderFieldset::paintBorderMinusLegend(TQPainter *p, int _tx, int _ty, int w, int h,
const RenderStyle* style, int lx, int lw)
{
const TQColor& tc = style->borderTopColor();
const TQColor& bc = style->borderBottomColor();
EBorderStyle ts = style->borderTopStyle();
EBorderStyle bs = style->borderBottomStyle();
EBorderStyle ls = style->borderLeftStyle();
EBorderStyle rs = style->borderRightStyle();
bool render_t = ts > BHIDDEN;
bool render_l = ls > BHIDDEN;
bool render_r = rs > BHIDDEN;
bool render_b = bs > BHIDDEN;
if(render_t) {
drawBorder(p, _tx, _ty, _tx + lx, _ty + style->borderTopWidth(), BSTop, tc, style->color(), ts,
(render_l && (ls == DOTTED || ls == DASHED || ls == DOUBLE)?style->borderLeftWidth():0), 0);
drawBorder(p, _tx+lx+lw, _ty, _tx + w, _ty + style->borderTopWidth(), BSTop, tc, style->color(), ts,
0, (render_r && (rs == DOTTED || rs == DASHED || rs == DOUBLE)?style->borderRightWidth():0));
}
if(render_b)
drawBorder(p, _tx, _ty + h - style->borderBottomWidth(), _tx + w, _ty + h, BSBottom, bc, style->color(), bs,
(render_l && (ls == DOTTED || ls == DASHED || ls == DOUBLE)?style->borderLeftWidth():0),
(render_r && (rs == DOTTED || rs == DASHED || rs == DOUBLE)?style->borderRightWidth():0));
if(render_l)
{
const TQColor& lc = style->borderLeftColor();
bool ignore_top =
(tc == lc) &&
(ls >= OUTSET) &&
(ts == DOTTED || ts == DASHED || ts == SOLID || ts == OUTSET);
bool ignore_bottom =
(bc == lc) &&
(ls >= OUTSET) &&
(bs == DOTTED || bs == DASHED || bs == SOLID || bs == INSET);
drawBorder(p, _tx, _ty, _tx + style->borderLeftWidth(), _ty + h, BSLeft, lc, style->color(), ls,
ignore_top?0:style->borderTopWidth(),
ignore_bottom?0:style->borderBottomWidth());
}
if(render_r)
{
const TQColor& rc = style->borderRightColor();
bool ignore_top =
(tc == rc) &&
(rs >= DOTTED || rs == INSET) &&
(ts == DOTTED || ts == DASHED || ts == SOLID || ts == OUTSET);
bool ignore_bottom =
(bc == rc) &&
(rs >= DOTTED || rs == INSET) &&
(bs == DOTTED || bs == DASHED || bs == SOLID || bs == INSET);
drawBorder(p, _tx + w - style->borderRightWidth(), _ty, _tx + w, _ty + h, BSRight, rc, style->color(), rs,
ignore_top?0:style->borderTopWidth(),
ignore_bottom?0:style->borderBottomWidth());
}
}
void RenderFieldset::setStyle(RenderStyle* _style)
{
RenderBlock::setStyle(_style);
// WinIE renders fieldsets with display:inline like they're inline-blocks. For us,
// an inline-block is just a block element with replaced set to true and inline set
// to true. Ensure that if we ended up being inline that we set our replaced flag
// so that we're treated like an inline-block.
if (isInline())
setReplaced(true);
}
// -------------------------------------------------------------------------
RenderFileButton::RenderFileButton(HTMLInputElementImpl *element)
: RenderFormElement(element)
{
KURLRequester* w = new KURLRequester( view()->viewport(), "__khtml" );
w->setMode(KFile::File | KFile::ExistingOnly);
w->completionObject()->setDir(KGlobalSettings::documentPath());
connect(w->lineEdit(), TQT_SIGNAL(returnPressed()), this, TQT_SLOT(slotReturnPressed()));
connect(w->lineEdit(), TQT_SIGNAL(textChanged(const TQString &)),this,TQT_SLOT(slotTextChanged(const TQString &)));
connect(w, TQT_SIGNAL(urlSelected(const TQString &)),this,TQT_SLOT(slotUrlSelected(const TQString &)));
setQWidget(w);
m_haveFocus = false;
}
void RenderFileButton::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
const TQFontMetrics &fm = style()->fontMetrics();
int size = element()->size();
int h = fm.lineSpacing();
int w = fm.width( 'x' ) * (size > 0 ? size+1 : 17); // "some"
KLineEdit* edit = static_cast<KURLRequester*>( m_widget )->lineEdit();
TQSize s = edit->style().tqsizeFromContents(TQStyle::CT_LineEdit,
edit,
TQSize(w + 2 + 2*edit->frameWidth(), kMax(h, 14) + 2 + 2*edit->frameWidth()))
.expandedTo(TQApplication::globalStrut());
TQSize bs = static_cast<KURLRequester*>( m_widget )->minimumSizeHint() - edit->minimumSizeHint();
setIntrinsicWidth( s.width() + bs.width() );
setIntrinsicHeight( kMax(s.height(), bs.height()) );
RenderFormElement::calcMinMaxWidth();
}
void RenderFileButton::handleFocusOut()
{
if ( widget()->lineEdit() && widget()->lineEdit()->edited() ) {
element()->onChange();
widget()->lineEdit()->setEdited( false );
}
}
void RenderFileButton::updateFromElement()
{
KLineEdit* edit = widget()->lineEdit();
edit->blockSignals(true);
edit->setText(element()->value().string());
edit->blockSignals(false);
edit->setEdited( false );
RenderFormElement::updateFromElement();
}
void RenderFileButton::slotReturnPressed()
{
handleFocusOut();
if (element()->form())
element()->form()->submitFromKeyboard();
}
void RenderFileButton::slotTextChanged(const TQString &/*string*/)
{
element()->m_value = KURL( widget()->url() ).prettyURL( 0, KURL::StripFileProtocol );
}
void RenderFileButton::slotUrlSelected(const TQString &)
{
element()->onChange();
}
void RenderFileButton::select()
{
widget()->lineEdit()->selectAll();
}
// -------------------------------------------------------------------------
RenderLabel::RenderLabel(HTMLGenericFormElementImpl *element)
: RenderFormElement(element)
{
}
// -------------------------------------------------------------------------
RenderLegend::RenderLegend(HTMLGenericFormElementImpl *element)
: RenderBlock(element)
{
}
// -------------------------------------------------------------------------------
ComboBoxWidget::ComboBoxWidget(TQWidget *parent)
: KComboBox(false, parent, "__khtml")
{
setAutoMask(true);
if (listBox()) listBox()->installEventFilter(this);
setMouseTracking(true);
}
bool ComboBoxWidget::event(TQEvent *e)
{
if (KComboBox::event(e))
return true;
if (e->type()==TQEvent::KeyPress)
{
TQKeyEvent *ke = TQT_TQKEYEVENT(e);
switch(ke->key())
{
case Key_Return:
case Key_Enter:
popup();
ke->accept();
return true;
default:
return false;
}
}
return false;
}
bool ComboBoxWidget::eventFilter(TQObject *dest, TQEvent *e)
{
if (TQT_BASE_OBJECT(dest)==TQT_BASE_OBJECT(listBox()) && e->type()==TQEvent::KeyPress)
{
TQKeyEvent *ke = TQT_TQKEYEVENT(e);
bool forward = false;
switch(ke->key())
{
case Key_Tab:
forward=true;
case Key_BackTab:
// ugly hack. emulate popdownlistbox() (private in TQComboBox)
// we re-use ke here to store the reference to the generated event.
ke = new TQKeyEvent(TQEvent::KeyPress, Key_Escape, 0, 0);
TQApplication::sendEvent(dest,ke);
focusNextPrevChild(forward);
delete ke;
return true;
default:
return KComboBox::eventFilter(dest, e);
}
}
return KComboBox::eventFilter(dest, e);
}
// -------------------------------------------------------------------------
RenderSelect::RenderSelect(HTMLSelectElementImpl *element)
: RenderFormElement(element)
{
m_ignoreSelectEvents = false;
m_multiple = element->multiple();
m_size = element->size();
m_useListBox = (m_multiple || m_size > 1);
m_selectionChanged = true;
m_optionsChanged = true;
if(m_useListBox)
setQWidget(createListBox());
else
setQWidget(createComboBox());
}
void RenderSelect::updateFromElement()
{
m_ignoreSelectEvents = true;
// change widget type
bool oldMultiple = m_multiple;
unsigned oldSize = m_size;
bool oldListbox = m_useListBox;
m_multiple = element()->multiple();
m_size = element()->size();
m_useListBox = (m_multiple || m_size > 1);
if (oldMultiple != m_multiple || oldSize != m_size) {
if (m_useListBox != oldListbox) {
// type of select has changed
if(m_useListBox)
setQWidget(createListBox());
else
setQWidget(createComboBox());
}
if (m_useListBox && oldMultiple != m_multiple) {
static_cast<KListBox*>(m_widget)->setSelectionMode(m_multiple ? TQListBox::Extended : TQListBox::Single);
}
m_selectionChanged = true;
m_optionsChanged = true;
}
// update contents listbox/combobox based on options in m_element
if ( m_optionsChanged ) {
if (element()->m_recalcListItems)
element()->recalcListItems();
TQMemArray<HTMLGenericFormElementImpl*> listItems = element()->listItems();
int listIndex;
if(m_useListBox) {
static_cast<KListBox*>(m_widget)->clear();
}
else
static_cast<KComboBox*>(m_widget)->clear();
for (listIndex = 0; listIndex < int(listItems.size()); listIndex++) {
if (listItems[listIndex]->id() == ID_OPTGROUP) {
DOMString text = listItems[listIndex]->getAttribute(ATTR_LABEL);
if (text.isNull())
text = "";
if(m_useListBox) {
TQListBoxText *item = new TQListBoxText(TQString(text.implementation()->s, text.implementation()->l));
static_cast<KListBox*>(m_widget)
->insertItem(item, listIndex);
item->setSelectable(false);
}
else {
static_cast<KComboBox*>(m_widget)
->insertItem(TQString(text.implementation()->s, text.implementation()->l), listIndex);
static_cast<KComboBox*>(m_widget)->listBox()->item(listIndex)->setSelectable(false);
}
}
else if (listItems[listIndex]->id() == ID_OPTION) {
HTMLOptionElementImpl* optElem = static_cast<HTMLOptionElementImpl*>(listItems[listIndex]);
TQString text = optElem->text().string();
if (optElem->parentNode()->id() == ID_OPTGROUP)
{
// Prefer label if set
DOMString label = optElem->getAttribute(ATTR_LABEL);
if (!label.isEmpty())
text = label.string();
text = TQString::fromLatin1(" ")+text;
}
if(m_useListBox) {
KListBox *l = static_cast<KListBox*>(m_widget);
l->insertItem(text, listIndex);
DOMString disabled = optElem->getAttribute(ATTR_DISABLED);
if (!disabled.isNull() && l->item( listIndex )) {
l->item( listIndex )->setSelectable( false );
}
} else
static_cast<KComboBox*>(m_widget)->insertItem(text, listIndex);
}
else
KHTMLAssert(false);
m_selectionChanged = true;
}
// TQComboBox caches the size hint unless you call setFont (ref: TT docu)
if(!m_useListBox) {
KComboBox *that = static_cast<KComboBox*>(m_widget);
that->setFont( that->font() );
}
setNeedsLayoutAndMinMaxRecalc();
m_optionsChanged = false;
}
// update selection
if (m_selectionChanged) {
updateSelection();
}
m_ignoreSelectEvents = false;
RenderFormElement::updateFromElement();
}
void RenderSelect::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
if (m_optionsChanged)
updateFromElement();
// ### ugly HACK FIXME!!!
setMinMaxKnown();
layoutIfNeeded();
setNeedsLayoutAndMinMaxRecalc();
// ### end FIXME
RenderFormElement::calcMinMaxWidth();
}
void RenderSelect::layout( )
{
KHTMLAssert(needsLayout());
KHTMLAssert(minMaxKnown());
// ### maintain selection properly between type/size changes, and work
// out how to handle multiselect->singleselect (probably just select
// first selected one)
// calculate size
if(m_useListBox) {
KListBox* w = static_cast<KListBox*>(m_widget);
TQListBoxItem* p = w->firstItem();
int width = 0;
int height = 0;
while(p) {
width = kMax(width, p->width(p->listBox()));
height = kMax(height, p->height(p->listBox()));
p = p->next();
}
if ( !height )
height = w->fontMetrics().height();
if ( !width )
width = w->fontMetrics().width( 'x' );
int size = m_size;
// check if multiple and size was not given or invalid
// Internet Exploder sets size to kMin(number of elements, 4)
// Netscape seems to simply set it to "number of elements"
// the average of that is IMHO kMin(number of elements, 10)
// so I did that ;-)
if(size < 1)
size = kMin(static_cast<KListBox*>(m_widget)->count(), 10u);
width += 2*w->frameWidth() + w->verticalScrollBar()->sizeHint().width();
height = size*height + 2*w->frameWidth();
setIntrinsicWidth( width );
setIntrinsicHeight( height );
}
else {
TQSize s(m_widget->sizeHint());
setIntrinsicWidth( s.width() );
setIntrinsicHeight( s.height() );
}
/// uuh, ignore the following line..
setNeedsLayout(true);
RenderFormElement::layout();
// and now disable the widget in case there is no <option> given
TQMemArray<HTMLGenericFormElementImpl*> listItems = element()->listItems();
bool foundOption = false;
for (uint i = 0; i < listItems.size() && !foundOption; i++)
foundOption = (listItems[i]->id() == ID_OPTION);
m_widget->setEnabled(foundOption && ! element()->disabled());
}
void RenderSelect::slotSelected(int index) // emitted by the combobox only
{
if ( m_ignoreSelectEvents ) return;
KHTMLAssert( !m_useListBox );
TQMemArray<HTMLGenericFormElementImpl*> listItems = element()->listItems();
if(index >= 0 && index < int(listItems.size()))
{
bool found = ( listItems[index]->id() == ID_OPTION );
if ( !found ) {
// this one is not selectable, we need to find an option element
while ( ( unsigned ) index < listItems.size() ) {
if ( listItems[index]->id() == ID_OPTION ) {
found = true;
break;
}
++index;
}
if ( !found ) {
while ( index >= 0 ) {
if ( listItems[index]->id() == ID_OPTION ) {
found = true;
break;
}
--index;
}
}
}
if ( found ) {
bool changed = false;
for ( unsigned int i = 0; i < listItems.size(); ++i )
if ( listItems[i]->id() == ID_OPTION && i != (unsigned int) index )
{
HTMLOptionElementImpl* opt = static_cast<HTMLOptionElementImpl*>( listItems[i] );
changed |= (opt->m_selected == true);
opt->m_selected = false;
}
HTMLOptionElementImpl* opt = static_cast<HTMLOptionElementImpl*>(listItems[index]);
changed |= (opt->m_selected == false);
opt->m_selected = true;
if ( index != static_cast<ComboBoxWidget*>( m_widget )->currentItem() )
static_cast<ComboBoxWidget*>( m_widget )->setCurrentItem( index );
// When selecting an optgroup item, and we move forward to we
// shouldn't emit onChange. Hence this bool, the if above doesn't do it.
if ( changed )
{
ref();
element()->onChange();
deref();
}
}
}
}
void RenderSelect::slotSelectionChanged() // emitted by the listbox only
{
if ( m_ignoreSelectEvents ) return;
// don't use listItems() here as we have to avoid recalculations - changing the
// option list will make use update options not in the way the user expects them
TQMemArray<HTMLGenericFormElementImpl*> listItems = element()->m_listItems;
for ( unsigned i = 0; i < listItems.count(); i++ )
// don't use setSelected() here because it will cause us to be called
// again with updateSelection.
if ( listItems[i]->id() == ID_OPTION )
static_cast<HTMLOptionElementImpl*>( listItems[i] )
->m_selected = static_cast<KListBox*>( m_widget )->isSelected( i );
ref();
element()->onChange();
deref();
}
void RenderSelect::setOptionsChanged(bool _optionsChanged)
{
m_optionsChanged = _optionsChanged;
}
KListBox* RenderSelect::createListBox()
{
KListBox *lb = new KListBox(view()->viewport(), "__khtml");
lb->setSelectionMode(m_multiple ? TQListBox::Extended : TQListBox::Single);
// ### looks broken
//lb->setAutoMask(true);
connect( lb, TQT_SIGNAL( selectionChanged() ), this, TQT_SLOT( slotSelectionChanged() ) );
// connect( lb, TQT_SIGNAL( clicked( TQListBoxItem * ) ), this, TQT_SLOT( slotClicked() ) );
m_ignoreSelectEvents = false;
lb->setMouseTracking(true);
return lb;
}
ComboBoxWidget *RenderSelect::createComboBox()
{
ComboBoxWidget *cb = new ComboBoxWidget(view()->viewport());
connect(cb, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotSelected(int)));
return cb;
}
void RenderSelect::updateSelection()
{
TQMemArray<HTMLGenericFormElementImpl*> listItems = element()->listItems();
int i;
if (m_useListBox) {
// if multi-select, we select only the new selected index
KListBox *listBox = static_cast<KListBox*>(m_widget);
for (i = 0; i < int(listItems.size()); i++)
listBox->setSelected(i,listItems[i]->id() == ID_OPTION &&
static_cast<HTMLOptionElementImpl*>(listItems[i])->selected());
}
else {
bool found = false;
unsigned firstOption = listItems.size();
i = listItems.size();
while (i--)
if (listItems[i]->id() == ID_OPTION) {
if (found)
static_cast<HTMLOptionElementImpl*>(listItems[i])->m_selected = false;
else if (static_cast<HTMLOptionElementImpl*>(listItems[i])->selected()) {
static_cast<KComboBox*>( m_widget )->setCurrentItem(i);
found = true;
}
firstOption = i;
}
Q_ASSERT(firstOption == listItems.size() || found);
}
m_selectionChanged = false;
}
// -------------------------------------------------------------------------
TextAreaWidget::TextAreaWidget(int wrap, TQWidget* parent)
: KTextEdit(parent, "__khtml"), m_findDlg(0), m_find(0), m_repDlg(0), m_replace(0)
{
if(wrap != DOM::HTMLTextAreaElementImpl::ta_NoWrap) {
setWordWrap(TQTextEdit::WidgetWidth);
setHScrollBarMode( AlwaysOff );
setVScrollBarMode( AlwaysOn );
}
else {
setWordWrap(TQTextEdit::NoWrap);
setHScrollBarMode( Auto );
setVScrollBarMode( Auto );
}
KCursor::setAutoHideCursor(viewport(), true);
setTextFormat(TQTextEdit::PlainText);
setAutoMask(true);
setMouseTracking(true);
KActionCollection *ac = new KActionCollection(this);
m_findAction = KStdAction::find( TQT_TQOBJECT(this), TQT_SLOT( slotFind() ), ac );
m_findNextAction = KStdAction::findNext( TQT_TQOBJECT(this), TQT_SLOT( slotFindNext() ), ac );
m_replaceAction = KStdAction::replace( TQT_TQOBJECT(this), TQT_SLOT( slotReplace() ), ac );
}
TextAreaWidget::~TextAreaWidget()
{
delete m_replace;
m_replace = 0L;
delete m_find;
m_find = 0L;
delete m_repDlg;
m_repDlg = 0L;
delete m_findDlg;
m_findDlg = 0L;
}
TQPopupMenu *TextAreaWidget::createPopupMenu(const TQPoint& pos)
{
TQPopupMenu *popup = KTextEdit::createPopupMenu(pos);
if ( !popup ) {
return 0L;
}
if (!isReadOnly()) {
popup->insertSeparator();
m_findAction->plug(popup);
m_findAction->setEnabled( !text().isEmpty() );
m_findNextAction->plug(popup);
m_findNextAction->setEnabled( m_find != 0 );
m_replaceAction->plug(popup);
m_replaceAction->setEnabled( !text().isEmpty() );
}
return popup;
}
void TextAreaWidget::slotFindHighlight(const TQString& text, int matchingIndex, int matchingLength)
{
Q_UNUSED(text)
//kdDebug() << "Highlight: [" << text << "] mi:" << matchingIndex << " ml:" << matchingLength << endl;
if (sender() == m_replace) {
setSelection(m_repPara, matchingIndex, m_repPara, matchingIndex + matchingLength);
setCursorPosition(m_repPara, matchingIndex);
} else {
setSelection(m_findPara, matchingIndex, m_findPara, matchingIndex + matchingLength);
setCursorPosition(m_findPara, matchingIndex);
}
ensureCursorVisible();
}
void TextAreaWidget::slotReplaceText(const TQString &text, int replacementIndex, int /*replacedLength*/, int matchedLength) {
Q_UNUSED(text)
//kdDebug() << "Replace: [" << text << "] ri:" << replacementIndex << " rl:" << replacedLength << " ml:" << matchedLength << endl;
setSelection(m_repPara, replacementIndex, m_repPara, replacementIndex + matchedLength);
removeSelectedText();
insertAt(m_repDlg->replacement(), m_repPara, replacementIndex);
if (m_replace->options() & KReplaceDialog::PromptOnReplace) {
ensureCursorVisible();
}
}
void TextAreaWidget::slotDoReplace()
{
if (!m_repDlg) {
// Should really assert()
return;
}
delete m_replace;
m_replace = new KReplace(m_repDlg->pattern(), m_repDlg->replacement(), m_repDlg->options(), this);
if (m_replace->options() & KFindDialog::FromCursor) {
getCursorPosition(&m_repPara, &m_repIndex);
} else if (m_replace->options() & KFindDialog::FindBackwards) {
m_repPara = paragraphs() - 1;
m_repIndex = paragraphLength(m_repPara) - 1;
} else {
m_repPara = 0;
m_repIndex = 0;
}
// Connect highlight signal to code which handles highlighting
// of found text.
connect(m_replace, TQT_SIGNAL(highlight(const TQString &, int, int)),
this, TQT_SLOT(slotFindHighlight(const TQString &, int, int)));
connect(m_replace, TQT_SIGNAL(findNext()), this, TQT_SLOT(slotReplaceNext()));
connect(m_replace, TQT_SIGNAL(replace(const TQString &, int, int, int)),
this, TQT_SLOT(slotReplaceText(const TQString &, int, int, int)));
m_repDlg->close();
slotReplaceNext();
}
void TextAreaWidget::slotReplaceNext()
{
if (!m_replace) {
// assert?
return;
}
if (!(m_replace->options() & KReplaceDialog::PromptOnReplace)) {
viewport()->setUpdatesEnabled(false);
}
KFind::Result res = KFind::NoMatch;
while (res == KFind::NoMatch) {
// If we're done.....
if (m_replace->options() & KFindDialog::FindBackwards) {
if (m_repIndex == 0 && m_repPara == 0) {
break;
}
} else {
if (m_repPara == paragraphs() - 1 &&
m_repIndex == paragraphLength(m_repPara) - 1) {
break;
}
}
if (m_replace->needData()) {
m_replace->setData(text(m_repPara), m_repIndex);
}
res = m_replace->replace();
if (res == KFind::NoMatch) {
if (m_replace->options() & KFindDialog::FindBackwards) {
if (m_repPara == 0) {
m_repIndex = 0;
} else {
m_repPara--;
m_repIndex = paragraphLength(m_repPara) - 1;
}
} else {
if (m_repPara == paragraphs() - 1) {
m_repIndex = paragraphLength(m_repPara) - 1;
} else {
m_repPara++;
m_repIndex = 0;
}
}
}
}
if (!(m_replace->options() & KReplaceDialog::PromptOnReplace)) {
viewport()->setUpdatesEnabled(true);
repaintChanged();
}
if (res == KFind::NoMatch) { // at end
m_replace->displayFinalDialog();
delete m_replace;
m_replace = 0;
ensureCursorVisible();
//or if ( m_replace->shouldRestart() ) { reinit (w/o FromCursor) and call slotReplaceNext(); }
} else {
//m_replace->closeReplaceNextDialog();
}
}
void TextAreaWidget::slotDoFind()
{
if (!m_findDlg) {
// Should really assert()
return;
}
delete m_find;
m_find = new KFind(m_findDlg->pattern(), m_findDlg->options(), this);
if (m_find->options() & KFindDialog::FromCursor) {
getCursorPosition(&m_findPara, &m_findIndex);
} else if (m_find->options() & KFindDialog::FindBackwards) {
m_findPara = paragraphs() - 1;
m_findIndex = paragraphLength(m_findPara) - 1;
} else {
m_findPara = 0;
m_findIndex = 0;
}
// Connect highlight signal to code which handles highlighting
// of found text.
connect(m_find, TQT_SIGNAL(highlight(const TQString &, int, int)),
this, TQT_SLOT(slotFindHighlight(const TQString &, int, int)));
connect(m_find, TQT_SIGNAL(findNext()), this, TQT_SLOT(slotFindNext()));
m_findDlg->close();
m_find->closeFindNextDialog();
slotFindNext();
}
void TextAreaWidget::slotFindNext()
{
if (!m_find) {
// assert?
return;
}
KFind::Result res = KFind::NoMatch;
while (res == KFind::NoMatch) {
// If we're done.....
if (m_find->options() & KFindDialog::FindBackwards) {
if (m_findIndex == 0 && m_findPara == 0) {
break;
}
} else {
if (m_findPara == paragraphs() - 1 &&
m_findIndex == paragraphLength(m_findPara) - 1) {
break;
}
}
if (m_find->needData()) {
m_find->setData(text(m_findPara), m_findIndex);
}
res = m_find->find();
if (res == KFind::NoMatch) {
if (m_find->options() & KFindDialog::FindBackwards) {
if (m_findPara == 0) {
m_findIndex = 0;
} else {
m_findPara--;
m_findIndex = paragraphLength(m_findPara) - 1;
}
} else {
if (m_findPara == paragraphs() - 1) {
m_findIndex = paragraphLength(m_findPara) - 1;
} else {
m_findPara++;
m_findIndex = 0;
}
}
}
}
if (res == KFind::NoMatch) { // at end
m_find->displayFinalDialog();
delete m_find;
m_find = 0;
//or if ( m_find->shouldRestart() ) { reinit (w/o FromCursor) and call slotFindNext(); }
} else {
//m_find->closeFindNextDialog();
}
}
void TextAreaWidget::slotFind()
{
if( text().isEmpty() ) // saves having to track the text changes
return;
if ( m_findDlg ) {
KWin::activateWindow( m_findDlg->winId() );
} else {
m_findDlg = new KFindDialog(false, this, "KHTML Text Area Find Dialog");
connect( m_findDlg, TQT_SIGNAL(okClicked()), this, TQT_SLOT(slotDoFind()) );
}
m_findDlg->show();
}
void TextAreaWidget::slotReplace()
{
if( text().isEmpty() ) // saves having to track the text changes
return;
if ( m_repDlg ) {
KWin::activateWindow( m_repDlg->winId() );
} else {
m_repDlg = new KReplaceDialog(this, "KHTMLText Area Replace Dialog", 0,
TQStringList(), TQStringList(), false);
connect( m_repDlg, TQT_SIGNAL(okClicked()), this, TQT_SLOT(slotDoReplace()) );
}
m_repDlg->show();
}
bool TextAreaWidget::event( TQEvent *e )
{
if ( e->type() == TQEvent::AccelAvailable && isReadOnly() ) {
TQKeyEvent* ke = (TQKeyEvent*) e;
if ( ke->state() & ControlButton ) {
switch ( ke->key() ) {
case Key_Left:
case Key_Right:
case Key_Up:
case Key_Down:
case Key_Home:
case Key_End:
ke->accept();
default:
break;
}
}
}
return KTextEdit::event( e );
}
// -------------------------------------------------------------------------
RenderTextArea::RenderTextArea(HTMLTextAreaElementImpl *element)
: RenderFormElement(element)
{
scrollbarsStyled = false;
TextAreaWidget *edit = new TextAreaWidget(element->wrap(), view());
setQWidget(edit);
const KHTMLSettings *settings = view()->part()->settings();
edit->setCheckSpellingEnabled( settings->autoSpellCheck() );
edit->setTabChangesFocus( ! settings->allowTabulation() );
connect(edit,TQT_SIGNAL(textChanged()),this,TQT_SLOT(slotTextChanged()));
}
RenderTextArea::~RenderTextArea()
{
if ( element()->m_dirtyvalue ) {
element()->m_value = text();
element()->m_dirtyvalue = false;
}
}
void RenderTextArea::handleFocusOut()
{
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
if ( w && element()->m_dirtyvalue ) {
element()->m_value = text();
element()->m_dirtyvalue = false;
}
if ( w && element()->m_changed ) {
element()->m_changed = false;
element()->onChange();
}
}
void RenderTextArea::calcMinMaxWidth()
{
KHTMLAssert( !minMaxKnown() );
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
const TQFontMetrics &m = style()->fontMetrics();
w->setTabStopWidth(8 * m.width(" "));
TQSize size( kMax(element()->cols(), 1L)*m.width('x') + w->frameWidth() +
w->verticalScrollBar()->sizeHint().width(),
kMax(element()->rows(), 1L)*m.lineSpacing() + w->frameWidth()*4 +
(w->wordWrap() == TQTextEdit::NoWrap ?
w->horizontalScrollBar()->sizeHint().height() : 0)
);
setIntrinsicWidth( size.width() );
setIntrinsicHeight( size.height() );
RenderFormElement::calcMinMaxWidth();
}
void RenderTextArea::setStyle(RenderStyle* _style)
{
bool unsubmittedFormChange = element()->m_unsubmittedFormChange;
RenderFormElement::setStyle(_style);
widget()->blockSignals(true);
widget()->setAlignment(textAlignment());
widget()->blockSignals(false);
scrollbarsStyled = false;
element()->m_unsubmittedFormChange = unsubmittedFormChange;
}
void RenderTextArea::layout()
{
KHTMLAssert( needsLayout() );
RenderFormElement::layout();
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
if (!scrollbarsStyled) {
w->horizontalScrollBar()->setPalette(style()->palette());
w->verticalScrollBar()->setPalette(style()->palette());
scrollbarsStyled=true;
}
}
void RenderTextArea::updateFromElement()
{
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
w->setReadOnly(element()->readOnly());
TQString elementText = element()->value().string();
if ( elementText != text() )
{
w->blockSignals(true);
int line, col;
w->getCursorPosition( &line, &col );
int cx = w->contentsX();
int cy = w->contentsY();
w->setText( elementText );
w->setCursorPosition( line, col );
w->scrollBy( cx, cy );
w->blockSignals(false);
}
element()->m_dirtyvalue = false;
RenderFormElement::updateFromElement();
}
void RenderTextArea::close( )
{
element()->setValue( element()->defaultValue() );
RenderFormElement::close();
}
TQString RenderTextArea::text()
{
TQString txt;
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
if(element()->wrap() == DOM::HTMLTextAreaElementImpl::ta_Physical) {
// yeah, TQTextEdit has no accessor for getting the visually wrapped text
for (int p=0; p < w->paragraphs(); ++p) {
int ll = 0;
int lindex = w->lineOfChar(p, 0);
TQString paragraphText = w->text(p);
int pl = w->paragraphLength(p);
paragraphText = paragraphText.left(pl); //Snip invented space.
for (int l = 0; l < pl; ++l) {
if (lindex != w->lineOfChar(p, l)) {
paragraphText.insert(l+ll++, TQString::fromLatin1("\n"));
lindex = w->lineOfChar(p, l);
}
}
txt += paragraphText;
if (p < w->paragraphs() - 1)
txt += TQString::fromLatin1("\n");
}
}
else
txt = w->text();
return txt;
}
int RenderTextArea::queryParagraphInfo(int para, Mode m, int param) {
/* We have to be a bit careful here, as we need to match up the positions
to what our value returns here*/
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
int length = 0;
bool physWrap = element()->wrap() == DOM::HTMLTextAreaElementImpl::ta_Physical;
TQString paragraphText = w->text(para);
int pl = w->paragraphLength(para);
int physicalPL = pl;
if (m == ParaPortionLength)
pl = param;
if (physWrap) {
//Go through all the chars of paragraph, and count line changes, chars, etc.
int lindex = w->lineOfChar(para, 0);
for (int c = 0; c < pl; ++c) {
++length;
// Is there a change after this char?
if (c+1 < physicalPL && lindex != w->lineOfChar(para, c+1)) {
lindex = w->lineOfChar(para, c+1);
++length;
}
if (m == ParaPortionOffset && length > param)
return c;
}
} else {
//Make sure to count the LF, CR as appropriate. ### this is stupid now, simplify
for (int c = 0; c < pl; ++c) {
++length;
if (m == ParaPortionOffset && length > param)
return c;
}
}
if (m == ParaPortionOffset)
return pl;
if (m == ParaPortionLength)
return length;
return length + 1;
}
long RenderTextArea::computeCharOffset(int para, int index) {
if (para < 0)
return 0;
long pos = 0;
for (int cp = 0; cp < para; ++cp)
pos += queryParagraphInfo(cp, ParaLength);
if (index >= 0)
pos += queryParagraphInfo(para, ParaPortionLength, index);
return pos;
}
void RenderTextArea::computeParagraphAndIndex(long offset, int* para, int* index) {
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
if (!w->paragraphs()) {
*para = -1;
*index = -1;
return;
}
//Find the paragraph that contains us..
int containingPar = 0;
long endPos = 0;
long startPos = 0;
for (int p = 0; p < w->paragraphs(); ++p) {
int len = queryParagraphInfo(p, ParaLength);
endPos += len;
if (endPos > offset) {
containingPar = p;
break;
}
startPos += len;
}
*para = containingPar;
//Now, scan within the paragraph to find the position..
long localOffset = offset - startPos;
*index = queryParagraphInfo(containingPar, ParaPortionOffset, localOffset);
}
void RenderTextArea::highLightWord( unsigned int length, unsigned int pos )
{
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
if ( w )
w->highLightWord( length, pos );
}
void RenderTextArea::slotTextChanged()
{
element()->m_dirtyvalue = true;
element()->m_changed = true;
if (element()->m_value != text())
element()->m_unsubmittedFormChange = true;
}
void RenderTextArea::select()
{
static_cast<TextAreaWidget *>(m_widget)->selectAll();
}
long RenderTextArea::selectionStart()
{
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
int para, index, dummy1, dummy2;
w->getSelection(&para, &index, &dummy1, &dummy2);
if (para == -1 || index == -1)
w->getCursorPosition(&para, &index);
return computeCharOffset(para, index);
}
long RenderTextArea::selectionEnd()
{
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
int para, index, dummy1, dummy2;
w->getSelection(&dummy1, &dummy2, &para, &index);
if (para == -1 || index == -1)
w->getCursorPosition(&para, &index);
return computeCharOffset(para, index);
}
void RenderTextArea::setSelectionStart(long offset) {
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
int fromPara, fromIndex, toPara, toIndex;
w->getSelection(&fromPara, &fromIndex, &toPara, &toIndex);
computeParagraphAndIndex(offset, &fromPara, &fromIndex);
if (toPara == -1 || toIndex == -1) {
toPara = fromPara;
toIndex = fromIndex;
}
w->setSelection(fromPara, fromIndex, toPara, toIndex);
}
void RenderTextArea::setSelectionEnd(long offset) {
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
int fromPara, fromIndex, toPara, toIndex;
w->getSelection(&fromPara, &fromIndex, &toPara, &toIndex);
computeParagraphAndIndex(offset, &toPara, &toIndex);
w->setSelection(fromPara, fromIndex, toPara, toIndex);
}
void RenderTextArea::setSelectionRange(long start, long end) {
TextAreaWidget* w = static_cast<TextAreaWidget*>(m_widget);
int fromPara, fromIndex, toPara, toIndex;
computeParagraphAndIndex(start, &fromPara, &fromIndex);
computeParagraphAndIndex(end, &toPara, &toIndex);
w->setSelection(fromPara, fromIndex, toPara, toIndex);
}
// ---------------------------------------------------------------------------
#include "render_form.moc"
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