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tdelibs/tdeui/kcolorbutton.cpp

208 lines
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/* This file is part of the KDE libraries
Copyright (C) 1997 Martin Jones (mjones@kde.org)
Copyright (C) 1999 Cristian Tibirna (ctibirna@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 <config.h>
#include <tqpainter.h>
#include <tqdrawutil.h>
#include <tqapplication.h>
#include <tqclipboard.h>
#include <tqstyle.h>
#include <kglobalsettings.h>
#include <kstdaccel.h>
#include "kcolordialog.h"
#include "kcolorbutton.h"
#include "kcolordrag.h"
class KColorButton::KColorButtonPrivate
{
public:
bool m_bdefaultColor;
TQColor m_defaultColor;
};
KColorButton::KColorButton( TQWidget *parent, const char *name )
: TQPushButton( parent, name )
{
d = new KColorButtonPrivate;
d->m_bdefaultColor = false;
d->m_defaultColor = TQColor();
setAcceptDrops( true);
// 2000-10-15 (putzer): fixes broken keyboard usage
connect (this, TQT_SIGNAL(clicked()), this, TQT_SLOT(chooseColor()));
}
KColorButton::KColorButton( const TQColor &c, TQWidget *parent,
const char *name )
: TQPushButton( parent, name ), col(c)
{
d = new KColorButtonPrivate;
d->m_bdefaultColor = false;
d->m_defaultColor = TQColor();
setAcceptDrops( true);
// 2000-10-15 (putzer): fixes broken keyboard usage
connect (this, TQT_SIGNAL(clicked()), this, TQT_SLOT(chooseColor()));
}
KColorButton::KColorButton( const TQColor &c, const TQColor &defaultColor, TQWidget *parent,
const char *name )
: TQPushButton( parent, name ), col(c)
{
d = new KColorButtonPrivate;
d->m_bdefaultColor = true;
d->m_defaultColor = defaultColor;
setAcceptDrops( true);
// 2000-10-15 (putzer): fixes broken keyboard usage
connect (this, TQT_SIGNAL(clicked()), this, TQT_SLOT(chooseColor()));
}
KColorButton::~KColorButton()
{
delete d;
}
void KColorButton::setColor( const TQColor &c )
{
if ( col != c ) {
col = c;
repaint( false );
emit changed( col );
}
}
TQColor KColorButton::defaultColor() const
{
return d->m_defaultColor;
}
void KColorButton::setDefaultColor( const TQColor &c )
{
d->m_bdefaultColor = c.isValid();
d->m_defaultColor = c;
}
void KColorButton::drawButtonLabel( TQPainter *painter )
{
int x, y, w, h;
TQRect r = style().subRect( TQStyle::SR_PushButtonContents, this );
r.rect(&x, &y, &w, &h);
int margin = style().pixelMetric( TQStyle::PM_ButtonMargin, this );
x += margin;
y += margin;
w -= 2*margin;
h -= 2*margin;
if (isOn() || isDown()) {
x += style().pixelMetric( TQStyle::PM_ButtonShiftHorizontal, this );
y += style().pixelMetric( TQStyle::PM_ButtonShiftVertical, this );
}
TQColor fillCol = isEnabled() ? col : backgroundColor();
qDrawShadePanel( painter, x, y, w, h, colorGroup(), true, 1, NULL);
if ( fillCol.isValid() )
painter->fillRect( x+1, y+1, w-2, h-2, fillCol );
if ( hasFocus() ) {
TQRect focusRect = style().subRect( TQStyle::SR_PushButtonFocusRect, this );
style().tqdrawPrimitive( TQStyle::PE_FocusRect, painter, focusRect, colorGroup() );
}
}
TQSize KColorButton::sizeHint() const
{
return style().tqsizeFromContents(TQStyle::CT_PushButton, this, TQSize(40, 15)).
expandedTo(TQApplication::globalStrut());
}
void KColorButton::dragEnterEvent( TQDragEnterEvent *event)
{
event->accept( KColorDrag::canDecode( event) && isEnabled());
}
void KColorButton::dropEvent( TQDropEvent *event)
{
TQColor c;
if( KColorDrag::decode( event, c)) {
setColor(c);
}
}
void KColorButton::keyPressEvent( TQKeyEvent *e )
{
KKey key( e );
if ( KStdAccel::copy().contains( key ) ) {
TQMimeSource* mime = new KColorDrag( color() );
TQApplication::clipboard()->setData( mime, TQClipboard::Clipboard );
}
else if ( KStdAccel::paste().contains( key ) ) {
TQColor color;
KColorDrag::decode( TQApplication::clipboard()->data( TQClipboard::Clipboard ), color );
setColor( color );
}
else
TQPushButton::keyPressEvent( e );
}
void KColorButton::mousePressEvent( TQMouseEvent *e)
{
mPos = e->pos();
TQPushButton::mousePressEvent(e);
}
void KColorButton::mouseMoveEvent( TQMouseEvent *e)
{
if( (e->state() & Qt::LeftButton) &&
(e->pos()-mPos).manhattanLength() > TDEGlobalSettings::dndEventDelay() )
{
// Drag color object
KColorDrag *dg = new KColorDrag( color(), this);
dg->dragCopy();
setDown(false);
}
}
void KColorButton::chooseColor()
{
TQColor c = color();
if ( d->m_bdefaultColor )
{
if( KColorDialog::getColor( c, d->m_defaultColor, this ) != TQDialog::Rejected ) {
setColor( c );
}
}
else
{
if( KColorDialog::getColor( c, this ) != TQDialog::Rejected ) {
setColor( c );
}
}
}
void KColorButton::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
#include "kcolorbutton.moc"