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tdelibs/kdeui/ktoolbarbutton.cpp

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/* This file is part of the KDE libraries
Copyright (C) 1997, 1998 Stephan Kulow (coolo@kde.org)
(C) 1997, 1998 Mark Donohoe (donohoe@kde.org)
(C) 1997, 1998 Sven Radej (radej@kde.org)
(C) 1997, 1998 Matthias Ettrich (ettrich@kde.org)
(C) 1999 Chris Schlaeger (cs@kde.org)
(C) 1999 Kurt Granroth (granroth@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 version 2 as published by the Free Software Foundation.
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 <string.h>
#include "ktoolbarbutton.h"
#include "ktoolbar.h"
#include <qstyle.h>
#include <qimage.h>
#include <qtimer.h>
#include <qdrawutil.h>
#include <qtooltip.h>
#include <qbitmap.h>
#include <qpopupmenu.h>
#include <qcursor.h>
#include <qpainter.h>
#include <qlayout.h>
#include <kapplication.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kglobalsettings.h>
#include <kiconeffect.h>
#include <kiconloader.h>
// needed to get our instance
#include <kmainwindow.h>
template class QIntDict<KToolBarButton>;
class KToolBarButtonPrivate
{
public:
KToolBarButtonPrivate()
{
m_buttonDown = false;
m_noStyle = false;
m_isSeparator = false;
m_isRadio = false;
m_highlight = false;
m_isRaised = false;
m_isActive = false;
m_iconName = QString::null;
m_iconText = KToolBar::IconOnly;
m_iconSize = 0;
m_parent = 0;
m_instance = KGlobal::instance();
}
~KToolBarButtonPrivate()
{
}
int m_id;
bool m_buttonDown : 1;
bool m_noStyle: 1;
bool m_isSeparator: 1;
bool m_isRadio: 1;
bool m_highlight: 1;
bool m_isRaised: 1;
bool m_isActive: 1;
QString m_iconName;
KToolBar *m_parent;
KToolBar::IconText m_iconText;
int m_iconSize;
QSize size;
QPoint m_mousePressPos;
KInstance *m_instance;
};
// This will construct a separator
KToolBarButton::KToolBarButton( QWidget *_parent, const char *_name )
: QToolButton( _parent , _name)
{
d = new KToolBarButtonPrivate;
resize(6,6);
hide();
d->m_isSeparator = true;
}
KToolBarButton::KToolBarButton( const QString& _icon, int _id,
QWidget *_parent, const char *_name,
const QString &_txt, KInstance *_instance )
: QToolButton( _parent, _name ), d( 0 )
{
d = new KToolBarButtonPrivate;
d->m_id = _id;
QToolButton::setTextLabel(_txt);
d->m_instance = _instance;
d->m_parent = dynamic_cast<KToolBar*>(_parent);
if (d->m_parent) {
connect(d->m_parent, SIGNAL( modechange() ),
this, SLOT( modeChange() ));
}
setFocusPolicy( NoFocus );
// connect all of our slots and start trapping events
connect(this, SIGNAL( clicked() ),
this, SLOT( slotClicked() ) );
connect(this, SIGNAL( pressed() ),
this, SLOT( slotPressed() ) );
connect(this, SIGNAL( released() ),
this, SLOT( slotReleased() ) );
installEventFilter(this);
d->m_iconName = _icon;
// do our initial setup
modeChange();
}
KToolBarButton::KToolBarButton( const QPixmap& pixmap, int _id,
QWidget *_parent, const char *name,
const QString& txt)
: QToolButton( _parent, name ), d( 0 )
{
d = new KToolBarButtonPrivate;
d->m_id = _id;
QToolButton::setTextLabel(txt);
d->m_parent = dynamic_cast<KToolBar*>(_parent);
if (d->m_parent) {
connect(d->m_parent, SIGNAL( modechange() ),
this, SLOT( modeChange() ));
}
setFocusPolicy( NoFocus );
// connect all of our slots and start trapping events
connect(this, SIGNAL( clicked() ),
this, SLOT( slotClicked() ));
connect(this, SIGNAL( pressed() ),
this, SLOT( slotPressed() ));
connect(this, SIGNAL( released() ),
this, SLOT( slotReleased() ));
installEventFilter(this);
// set our pixmap and do our initial setup
setIconSet( QIconSet( pixmap ));
modeChange();
}
KToolBarButton::~KToolBarButton()
{
delete d; d = 0;
}
void KToolBarButton::modeChange()
{
QSize mysize;
// grab a few global variables for use in this function and others
if (d->m_parent) {
d->m_highlight = d->m_parent->highlight();
d->m_iconText = d->m_parent->iconText();
d->m_iconSize = d->m_parent->iconSize();
}
if (!d->m_iconName.isNull())
setIcon(d->m_iconName);
// we'll start with the size of our pixmap
int pix_width = d->m_iconSize;
if ( d->m_iconSize == 0 ) {
if (d->m_parent && !strcmp(d->m_parent->name(), "mainToolBar"))
pix_width = IconSize( KIcon::MainToolbar );
else
pix_width = IconSize( KIcon::Toolbar );
}
int pix_height = pix_width;
int text_height = 0;
int text_width = 0;
QToolTip::remove(this);
if (d->m_iconText != KToolBar::IconOnly)
{
// okay, we have to deal with fonts. let's get our information now
QFont tmp_font = KGlobalSettings::toolBarFont();
// now parse out our font sizes from our chosen font
QFontMetrics fm(tmp_font);
text_height = fm.lineSpacing();
text_width = fm.width(textLabel());
// none of the other modes want tooltips
}
else
{
QToolTip::add(this, textLabel());
}
switch (d->m_iconText)
{
case KToolBar::IconOnly:
mysize = QSize(pix_width, pix_height);
break;
case KToolBar::IconTextRight:
mysize = QSize(pix_width + text_width + 4, pix_height);
break;
case KToolBar::TextOnly:
mysize = QSize(text_width + 4, text_height);
break;
case KToolBar::IconTextBottom:
mysize = QSize((text_width + 4 > pix_width) ? text_width + 4 : pix_width, pix_height + text_height);
break;
default:
break;
}
mysize = style().sizeFromContents(QStyle::CT_ToolButton, this, mysize).
expandedTo(QApplication::globalStrut());
// make sure that this isn't taller then it is wide
if (mysize.height() > mysize.width())
mysize.setWidth(mysize.height());
d->size = mysize;
updateGeometry();
}
void KToolBarButton::setTextLabel( const QString& text, bool tipToo)
{
if (text.isNull())
return;
QString txt(text);
if (txt.endsWith(QString::fromLatin1("...")))
txt.truncate(txt.length() - 3);
QToolButton::setTextLabel(txt, tipToo);
update();
}
void KToolBarButton::setText( const QString& text)
{
setTextLabel(text, true);
modeChange();
}
void KToolBarButton::setIcon( const QString &icon )
{
d->m_iconName = icon;
if (d->m_parent)
d->m_iconSize = d->m_parent->iconSize();
// QObject::name() return "const char *" instead of QString.
if (d->m_parent && !strcmp(d->m_parent->name(), "mainToolBar"))
QToolButton::setIconSet( d->m_instance->iconLoader()->loadIconSet(
d->m_iconName, KIcon::MainToolbar, d->m_iconSize ));
else
QToolButton::setIconSet( d->m_instance->iconLoader()->loadIconSet(
d->m_iconName, KIcon::Toolbar, d->m_iconSize ));
}
void KToolBarButton::setIconSet( const QIconSet &iconset )
{
QToolButton::setIconSet( iconset );
}
// remove?
void KToolBarButton::setPixmap( const QPixmap &pixmap )
{
if( pixmap.isNull()) // called by QToolButton
{
QToolButton::setPixmap( pixmap );
return;
}
QIconSet set = iconSet();
set.setPixmap( pixmap, QIconSet::Automatic, QIconSet::Active );
QToolButton::setIconSet( set );
}
void KToolBarButton::setDefaultPixmap( const QPixmap &pixmap )
{
QIconSet set = iconSet();
set.setPixmap( pixmap, QIconSet::Automatic, QIconSet::Normal );
QToolButton::setIconSet( set );
}
void KToolBarButton::setDisabledPixmap( const QPixmap &pixmap )
{
QIconSet set = iconSet();
set.setPixmap( pixmap, QIconSet::Automatic, QIconSet::Disabled );
QToolButton::setIconSet( set );
}
void KToolBarButton::setDefaultIcon( const QString& icon )
{
QIconSet set = iconSet();
QPixmap pm;
if (d->m_parent && !strcmp(d->m_parent->name(), "mainToolBar"))
pm = d->m_instance->iconLoader()->loadIcon( icon, KIcon::MainToolbar,
d->m_iconSize );
else
pm = d->m_instance->iconLoader()->loadIcon( icon, KIcon::Toolbar,
d->m_iconSize );
set.setPixmap( pm, QIconSet::Automatic, QIconSet::Normal );
QToolButton::setIconSet( set );
}
void KToolBarButton::setDisabledIcon( const QString& icon )
{
QIconSet set = iconSet();
QPixmap pm;
if (d->m_parent && !strcmp(d->m_parent->name(), "mainToolBar"))
pm = d->m_instance->iconLoader()->loadIcon( icon, KIcon::MainToolbar,
d->m_iconSize );
else
pm = d->m_instance->iconLoader()->loadIcon( icon, KIcon::Toolbar,
d->m_iconSize );
set.setPixmap( pm, QIconSet::Automatic, QIconSet::Disabled );
QToolButton::setIconSet( set );
}
QPopupMenu *KToolBarButton::popup()
{
// obsolete
// KDE4: remove me
return QToolButton::popup();
}
void KToolBarButton::setPopup(QPopupMenu *p, bool)
{
QToolButton::setPopup(p);
QToolButton::setPopupDelay(-1);
}
void KToolBarButton::setDelayedPopup (QPopupMenu *p, bool)
{
QToolButton::setPopup(p);
QToolButton::setPopupDelay(QApplication::startDragTime());
}
void KToolBarButton::leaveEvent(QEvent *)
{
if( d->m_isRaised || d->m_isActive )
{
d->m_isRaised = false;
d->m_isActive = false;
repaint(false);
}
emit highlighted(d->m_id, false);
}
void KToolBarButton::enterEvent(QEvent *)
{
if (d->m_highlight)
{
if (isEnabled())
{
d->m_isActive = true;
if (!isToggleButton())
d->m_isRaised = true;
}
else
{
d->m_isRaised = false;
d->m_isActive = false;
}
repaint(false);
}
emit highlighted(d->m_id, true);
}
bool KToolBarButton::eventFilter(QObject *o, QEvent *ev)
{
if ((KToolBarButton *)o == this)
{
// Popup the menu when the left mousebutton is pressed and the mouse
// is moved by a small distance.
if (QToolButton::popup())
{
if (ev->type() == QEvent::MouseButtonPress)
{
QMouseEvent* mev = static_cast<QMouseEvent*>(ev);
d->m_mousePressPos = mev->pos();
}
else if (ev->type() == QEvent::MouseMove)
{
QMouseEvent* mev = static_cast<QMouseEvent*>(ev);
if ((mev->pos() - d->m_mousePressPos).manhattanLength()
> KGlobalSettings::dndEventDelay())
{
openPopup();
return true;
}
}
}
if (d->m_isRadio &&
(ev->type() == QEvent::MouseButtonPress ||
ev->type() == QEvent::MouseButtonRelease ||
ev->type() == QEvent::MouseButtonDblClick) && isOn())
return true;
// From Kai-Uwe Sattler <kus@iti.CS.Uni-Magdeburg.De>
if (ev->type() == QEvent::MouseButtonDblClick)
{
emit doubleClicked(d->m_id);
return false;
}
}
return QToolButton::eventFilter(o, ev);
}
void KToolBarButton::mousePressEvent( QMouseEvent * e )
{
d->m_buttonDown = true;
if ( e->button() == MidButton )
{
// Get QToolButton to show the button being down while pressed
QMouseEvent ev( QEvent::MouseButtonPress, e->pos(), e->globalPos(), LeftButton, e->state() );
QToolButton::mousePressEvent(&ev);
return;
}
QToolButton::mousePressEvent(e);
}
void KToolBarButton::mouseReleaseEvent( QMouseEvent * e )
{
Qt::ButtonState state = Qt::ButtonState(e->button() | (e->state() & KeyButtonMask));
if ( e->button() == MidButton )
{
QMouseEvent ev( QEvent::MouseButtonRelease, e->pos(), e->globalPos(), LeftButton, e->state() );
QToolButton::mouseReleaseEvent(&ev);
}
else
QToolButton::mouseReleaseEvent(e);
if ( !d->m_buttonDown )
return;
d->m_buttonDown = false;
if ( hitButton( e->pos() ) )
emit buttonClicked( d->m_id, state );
}
void KToolBarButton::drawButton( QPainter *_painter )
{
QStyle::SFlags flags = QStyle::Style_Default;
QStyle::SCFlags active = QStyle::SC_None;
if (isDown()) {
flags |= QStyle::Style_Down;
active |= QStyle::SC_ToolButton;
}
if (isEnabled()) flags |= QStyle::Style_Enabled;
if (isOn()) flags |= QStyle::Style_On;
if (isEnabled() && hasMouse()) flags |= QStyle::Style_Raised;
if (hasFocus()) flags |= QStyle::Style_HasFocus;
// Draw a styled toolbutton
style().drawComplexControl(QStyle::CC_ToolButton, _painter, this, rect(),
colorGroup(), flags, QStyle::SC_ToolButton, active, QStyleOption());
int dx, dy;
QFont tmp_font(KGlobalSettings::toolBarFont());
QFontMetrics fm(tmp_font);
QRect textRect;
int textFlags = 0;
if (d->m_iconText == KToolBar::IconOnly) // icon only
{
QPixmap pixmap = iconSet().pixmap( QIconSet::Automatic,
isEnabled() ? (d->m_isActive ? QIconSet::Active : QIconSet::Normal) :
QIconSet::Disabled,
isOn() ? QIconSet::On : QIconSet::Off );
if( !pixmap.isNull())
{
dx = ( width() - pixmap.width() ) / 2;
dy = ( height() - pixmap.height() ) / 2;
if ( isDown() && style().styleHint(QStyle::SH_GUIStyle) == WindowsStyle )
{
++dx;
++dy;
}
_painter->drawPixmap( dx, dy, pixmap );
}
}
else if (d->m_iconText == KToolBar::IconTextRight) // icon and text (if any)
{
QPixmap pixmap = iconSet().pixmap( QIconSet::Automatic,
isEnabled() ? (d->m_isActive ? QIconSet::Active : QIconSet::Normal) :
QIconSet::Disabled,
isOn() ? QIconSet::On : QIconSet::Off );
if( !pixmap.isNull())
{
dx = 4;
dy = ( height() - pixmap.height() ) / 2;
if ( isDown() && style().styleHint(QStyle::SH_GUIStyle) == WindowsStyle )
{
++dx;
++dy;
}
_painter->drawPixmap( dx, dy, pixmap );
}
if (!textLabel().isNull())
{
textFlags = AlignVCenter|AlignLeft;
if (!pixmap.isNull())
dx = 4 + pixmap.width() + 2;
else
dx = 4;
dy = 0;
if ( isDown() && style().styleHint(QStyle::SH_GUIStyle) == WindowsStyle )
{
++dx;
++dy;
}
textRect = QRect(dx, dy, width()-dx, height());
}
}
else if (d->m_iconText == KToolBar::TextOnly)
{
if (!textLabel().isNull())
{
textFlags = AlignVCenter|AlignLeft;
dx = (width() - fm.width(textLabel())) / 2;
dy = (height() - fm.lineSpacing()) / 2;
if ( isDown() && style().styleHint(QStyle::SH_GUIStyle) == WindowsStyle )
{
++dx;
++dy;
}
textRect = QRect( dx, dy, fm.width(textLabel()), fm.lineSpacing() );
}
}
else if (d->m_iconText == KToolBar::IconTextBottom)
{
QPixmap pixmap = iconSet().pixmap( QIconSet::Automatic,
isEnabled() ? (d->m_isActive ? QIconSet::Active : QIconSet::Normal) :
QIconSet::Disabled,
isOn() ? QIconSet::On : QIconSet::Off );
if( !pixmap.isNull())
{
dx = (width() - pixmap.width()) / 2;
dy = (height() - fm.lineSpacing() - pixmap.height()) / 2;
if ( isDown() && style().styleHint(QStyle::SH_GUIStyle) == WindowsStyle )
{
++dx;
++dy;
}
_painter->drawPixmap( dx, dy, pixmap );
}
if (!textLabel().isNull())
{
textFlags = AlignBottom|AlignHCenter;
dx = (width() - fm.width(textLabel())) / 2;
dy = height() - fm.lineSpacing() - 4;
if ( isDown() && style().styleHint(QStyle::SH_GUIStyle) == WindowsStyle )
{
++dx;
++dy;
}
textRect = QRect( dx, dy, fm.width(textLabel()), fm.lineSpacing() );
}
}
// Draw the text at the position given by textRect, and using textFlags
if (!textLabel().isNull() && !textRect.isNull())
{
_painter->setFont(KGlobalSettings::toolBarFont());
if (!isEnabled())
_painter->setPen(palette().disabled().dark());
else if(d->m_isRaised)
_painter->setPen(KGlobalSettings::toolBarHighlightColor());
else
_painter->setPen( colorGroup().buttonText() );
_painter->drawText(textRect, textFlags, textLabel());
}
if (QToolButton::popup())
{
QStyle::SFlags arrowFlags = QStyle::Style_Default;
if (isDown()) arrowFlags |= QStyle::Style_Down;
if (isEnabled()) arrowFlags |= QStyle::Style_Enabled;
style().drawPrimitive(QStyle::PE_ArrowDown, _painter,
QRect(width()-7, height()-7, 7, 7), colorGroup(),
arrowFlags, QStyleOption() );
}
}
void KToolBarButton::paletteChange(const QPalette &)
{
if(!d->m_isSeparator)
{
modeChange();
repaint(false); // no need to delete it first therefore only false
}
}
bool KToolBarButton::event(QEvent *e)
{
if (e->type() == QEvent::ParentFontChange || e->type() == QEvent::ApplicationFontChange)
{
//If we use toolbar text, apply the settings again, to relayout...
if (d->m_iconText != KToolBar::IconOnly)
modeChange();
return true;
}
return QToolButton::event(e);
}
void KToolBarButton::showMenu()
{
// obsolete
// KDE4: remove me
}
void KToolBarButton::slotDelayTimeout()
{
// obsolete
// KDE4: remove me
}
void KToolBarButton::slotClicked()
{
emit clicked( d->m_id );
// emit buttonClicked when the button was clicked while being in an extension popupmenu
if ( d->m_parent && !d->m_parent->rect().contains( geometry().center() ) ) {
ButtonState state = KApplication::keyboardMouseState();
if ( ( state & MouseButtonMask ) == NoButton )
state = ButtonState( LeftButton | state );
emit buttonClicked( d->m_id, state ); // Doesn't work with MidButton
}
}
void KToolBarButton::slotPressed()
{
emit pressed( d->m_id );
}
void KToolBarButton::slotReleased()
{
emit released( d->m_id );
}
void KToolBarButton::slotToggled()
{
emit toggled( d->m_id );
}
void KToolBarButton::setNoStyle(bool no_style)
{
d->m_noStyle = no_style;
modeChange();
d->m_iconText = KToolBar::IconTextRight;
repaint(false);
}
void KToolBarButton::setRadio (bool f)
{
if ( d )
d->m_isRadio = f;
}
void KToolBarButton::on(bool flag)
{
if(isToggleButton())
setOn(flag);
else
{
setDown(flag);
leaveEvent((QEvent *) 0);
}
repaint();
}
void KToolBarButton::toggle()
{
setOn(!isOn());
repaint();
}
void KToolBarButton::setToggle(bool flag)
{
setToggleButton(flag);
if (flag)
connect(this, SIGNAL(toggled(bool)), this, SLOT(slotToggled()));
else
disconnect(this, SIGNAL(toggled(bool)), this, SLOT(slotToggled()));
}
QSize KToolBarButton::sizeHint() const
{
return d->size;
}
QSize KToolBarButton::minimumSizeHint() const
{
return d->size;
}
QSize KToolBarButton::minimumSize() const
{
return d->size;
}
bool KToolBarButton::isRaised() const
{
return d->m_isRaised;
}
bool KToolBarButton::isActive() const
{
return d->m_isActive;
}
int KToolBarButton::iconTextMode() const
{
return static_cast<int>( d->m_iconText );
}
int KToolBarButton::id() const
{
return d->m_id;
}
// KToolBarButtonList
KToolBarButtonList::KToolBarButtonList()
{
setAutoDelete(false);
}
void KToolBarButton::virtual_hook( int, void* )
{ /*BASE::virtual_hook( id, data );*/ }
#include "ktoolbarbutton.moc"
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