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Diffstat (limited to 'kdeui/kcompletionbox.cpp')
| -rw-r--r-- | kdeui/kcompletionbox.cpp | 562 |
1 files changed, 0 insertions, 562 deletions
diff --git a/kdeui/kcompletionbox.cpp b/kdeui/kcompletionbox.cpp deleted file mode 100644 index 7e3d156a2..000000000 --- a/kdeui/kcompletionbox.cpp +++ /dev/null @@ -1,562 +0,0 @@ -/* This file is part of the KDE libraries - - Copyright (c) 2000,2001,2002 Carsten Pfeiffer <[email protected]> - Copyright (c) 2000 Stefan Schimanski <[email protected]> - Copyright (c) 2000,2001,2002,2003,2004 Dawit Alemayehu <[email protected]> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License (LGPL) 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 <tqapplication.h> -#include <tqcombobox.h> -#include <tqevent.h> -#include <tqstyle.h> - -#include <kdebug.h> -#include <kconfig.h> -#include <knotifyclient.h> -#include <kglobalsettings.h> - -#include "kcompletionbox.h" - -class KCompletionBox::KCompletionBoxPrivate -{ -public: - TQWidget *m_parent; // necessary to set the focus back - TQString cancelText; - bool tabHandling; - bool down_workaround; - bool upwardBox; - bool emitSelected; -}; - -KCompletionBox::KCompletionBox( TQWidget *parent, const char *name ) - :KListBox( parent, name, (WFlags)WType_Popup ), d(new KCompletionBoxPrivate) -{ - - d->m_parent = parent; - d->tabHandling = true; - d->down_workaround = false; - d->upwardBox = false; - d->emitSelected = true; - - setColumnMode( 1 ); - setLineWidth( 1 ); - setFrameStyle( TQFrame::Box | TQFrame::Plain ); - - if ( parent ) - setFocusProxy( parent ); - else - setFocusPolicy( TQ_NoFocus ); - - setVScrollBarMode( Auto ); - setHScrollBarMode( AlwaysOff ); - - connect( this, TQT_SIGNAL( doubleClicked( TQListBoxItem * )), - TQT_SLOT( slotActivated( TQListBoxItem * )) ); - - // grmbl, just TQListBox workarounds :[ Thanks Volker. - connect( this, TQT_SIGNAL( currentChanged( TQListBoxItem * )), - TQT_SLOT( slotCurrentChanged() )); - connect( this, TQT_SIGNAL( clicked( TQListBoxItem * )), - TQT_SLOT( slotItemClicked( TQListBoxItem * )) ); -} - -KCompletionBox::~KCompletionBox() -{ - d->m_parent = 0L; - delete d; -} - -TQStringList KCompletionBox::items() const -{ - TQStringList list; - - const TQListBoxItem* currItem = firstItem(); - - while (currItem) { - list.append(currItem->text()); - currItem = currItem->next(); - } - - return list; -} - -void KCompletionBox::slotActivated( TQListBoxItem *item ) -{ - if ( !item ) - return; - - hide(); - emit activated( item->text() ); -} - -bool KCompletionBox::eventFilter( TQObject *o, TQEvent *e ) -{ - int type = e->type(); - - if ( TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(d->m_parent) ) { - if ( isVisible() ) { - if ( type == TQEvent::KeyPress ) { - TQKeyEvent *ev = TQT_TQKEYEVENT( e ); - switch ( ev->key() ) { - case Key_BackTab: - if ( d->tabHandling && (ev->state() == Qt::NoButton || - (ev->state() & ShiftButton)) ) { - up(); - ev->accept(); - return true; - } - break; - case Key_Tab: - if ( d->tabHandling && (ev->state() == Qt::NoButton) ) { - down(); // Only on TAB!! - ev->accept(); - return true; - } - break; - case Key_Down: - down(); - ev->accept(); - return true; - case Key_Up: - // If there is no selected item and we've popped up above - // our parent, select the first item when they press up. - if ( selectedItem() || - mapToGlobal( TQPoint( 0, 0 ) ).y() > - d->m_parent->mapToGlobal( TQPoint( 0, 0 ) ).y() ) - up(); - else - down(); - ev->accept(); - return true; - case Key_Prior: - pageUp(); - ev->accept(); - return true; - case Key_Next: - pageDown(); - ev->accept(); - return true; - case Key_Escape: - canceled(); - ev->accept(); - return true; - case Key_Enter: - case Key_Return: - if ( ev->state() & ShiftButton ) { - hide(); - ev->accept(); // Consume the Enter event - return true; - } - break; - case Key_End: - if ( ev->state() & ControlButton ) - { - end(); - ev->accept(); - return true; - } - case Key_Home: - if ( ev->state() & ControlButton ) - { - home(); - ev->accept(); - return true; - } - default: - break; - } - } - else if ( type == TQEvent::AccelOverride ) { - // Override any acceleartors that match - // the key sequences we use here... - TQKeyEvent *ev = TQT_TQKEYEVENT( e ); - switch ( ev->key() ) { - case Key_Down: - case Key_Up: - case Key_Prior: - case Key_Next: - case Key_Escape: - case Key_Enter: - case Key_Return: - ev->accept(); - return true; - break; - case Key_Tab: - case Key_BackTab: - if ( ev->state() == Qt::NoButton || - (ev->state() & ShiftButton)) - { - ev->accept(); - return true; - } - break; - case Key_Home: - case Key_End: - if ( ev->state() & ControlButton ) - { - ev->accept(); - return true; - } - break; - default: - break; - } - } - - // parent loses focus or gets a click -> we hide - else if ( type == TQEvent::FocusOut || type == TQEvent::Resize || - type == TQEvent::Close || type == TQEvent::Hide || - type == TQEvent::Move ) { - hide(); - } - } - } - - // any mouse-click on something else than "this" makes us hide - else if ( type == TQEvent::MouseButtonPress ) { - TQMouseEvent *ev = TQT_TQMOUSEEVENT( e ); - if ( !rect().contains( ev->pos() )) // this widget - hide(); - - if ( !d->emitSelected && currentItem() && !::tqqt_cast<TQScrollBar*>(o) ) - { - emit highlighted( currentText() ); - hide(); - ev->accept(); // Consume the mouse click event... - return true; - } - } - - return KListBox::eventFilter( o, e ); -} - - -void KCompletionBox::popup() -{ - if ( count() == 0 ) - hide(); - else { - ensureCurrentVisible(); - bool block = signalsBlocked(); - blockSignals( true ); - setCurrentItem( 0 ); - blockSignals( block ); - clearSelection(); - if ( !isVisible() ) - show(); - else if ( size().height() != tqsizeHint().height() ) - sizeAndPosition(); - } -} - -void KCompletionBox::sizeAndPosition() -{ - int currentGeom = height(); - TQPoint currentPos = pos(); - TQRect geom = calculateGeometry(); - resize( geom.size() ); - - int x = currentPos.x(), y = currentPos.y(); - if ( d->m_parent ) { - if ( !isVisible() ) { - TQRect screenSize = KGlobalSettings::desktopGeometry(d->m_parent); - - TQPoint orig = d->m_parent->mapToGlobal( TQPoint(0, d->m_parent->height()) ); - x = orig.x() + geom.x(); - y = orig.y() + geom.y(); - - if ( x + width() > screenSize.right() ) - x = screenSize.right() - width(); - if (y + height() > screenSize.bottom() ) { - y = y - height() - d->m_parent->height(); - d->upwardBox = true; - } - } - else { - // Are we above our parent? If so we must keep bottom edge anchored. - if (d->upwardBox) - y += (currentGeom-height()); - } - move( x, y); - } -} - -void KCompletionBox::show() -{ - d->upwardBox = false; - if ( d->m_parent ) { - sizeAndPosition(); - tqApp->installEventFilter( this ); - } - - // ### we shouldn't need to call this, but without this, the scrollbars - // are pretty b0rked. - //triggerUpdate( true ); - - // Workaround for I'm not sure whose bug - if this KCompletionBox' parent - // is in a layout, that layout will detect inserting new child (posted - // ChildInserted event), and will trigger relayout (post LayoutHint event). - // TQWidget::show() sends also posted ChildInserted events for the parent, - // and later all LayoutHint events, which causes layout updating. - // The problem is, KCompletionBox::eventFilter() detects resizing - // of the parent, and calls hide() - and this hide() happen in the middle - // of show(), causing inconsistent state. I'll try to submit a Qt patch too. - tqApp->sendPostedEvents(); - KListBox::show(); -} - -void KCompletionBox::hide() -{ - if ( d->m_parent ) - tqApp->removeEventFilter( this ); - d->cancelText = TQString::null; - KListBox::hide(); -} - -TQRect KCompletionBox::calculateGeometry() const -{ - int x = 0, y = 0; - int ih = itemHeight(); - int h = QMIN( 15 * ih, (int) count() * ih ) + 2*frameWidth(); - - int w = (d->m_parent) ? d->m_parent->width() : KListBox::tqminimumSizeHint().width(); - w = QMAX( KListBox::tqminimumSizeHint().width(), w ); - - //If we're inside a combox, Qt by default makes the dropdown - // as wide as the combo, and gives the style a chance - // to adjust it. Do that here as well, for consistency - const TQObject* combo; - if ( d->m_parent && (combo = d->m_parent->parent() ) && - combo->inherits(TQCOMBOBOX_OBJECT_NAME_STRING) ) - { - const TQComboBox* cb = static_cast<const TQComboBox*>(TQT_TQWIDGET_CONST(combo)); - - //Expand to the combo width - w = QMAX( w, cb->width() ); - - TQPoint parentCorner = d->m_parent->mapToGlobal(TQPoint(0, 0)); - TQPoint comboCorner = cb->mapToGlobal(TQPoint(0, 0)); - - //We need to adjust our horizontal position to also be WRT to the combo - x += comboCorner.x() - parentCorner.x(); - - //The same with vertical one - y += cb->height() - d->m_parent->height() + - comboCorner.y() - parentCorner.y(); - - //Ask the style to refine this a bit - TQRect styleAdj = tqstyle().querySubControlMetrics(TQStyle::CC_ComboBox, - cb, TQStyle::SC_ComboBoxListBoxPopup, - TQStyleOption(x, y, w, h)); - //TQCommonStyle returns TQRect() by default, so this is what we get if the - //style doesn't implement this - if (!styleAdj.isNull()) - return styleAdj; - - } - return TQRect(x, y, w, h); -} - -TQSize KCompletionBox::tqsizeHint() const -{ - return calculateGeometry().size(); -} - -void KCompletionBox::down() -{ - int i = currentItem(); - - if ( i == 0 && d->down_workaround ) { - d->down_workaround = false; - setCurrentItem( 0 ); - setSelected( 0, true ); - emit highlighted( currentText() ); - } - - else if ( i < (int) count() - 1 ) - setCurrentItem( i + 1 ); -} - -void KCompletionBox::up() -{ - if ( currentItem() > 0 ) - setCurrentItem( currentItem() - 1 ); -} - -void KCompletionBox::pageDown() -{ - int i = currentItem() + numItemsVisible(); - i = i > (int)count() - 1 ? (int)count() - 1 : i; - setCurrentItem( i ); -} - -void KCompletionBox::pageUp() -{ - int i = currentItem() - numItemsVisible(); - i = i < 0 ? 0 : i; - setCurrentItem( i ); -} - -void KCompletionBox::home() -{ - setCurrentItem( 0 ); -} - -void KCompletionBox::end() -{ - setCurrentItem( count() -1 ); -} - -void KCompletionBox::setTabHandling( bool enable ) -{ - d->tabHandling = enable; -} - -bool KCompletionBox::isTabHandling() const -{ - return d->tabHandling; -} - -void KCompletionBox::setCancelledText( const TQString& text ) -{ - d->cancelText = text; -} - -TQString KCompletionBox::cancelledText() const -{ - return d->cancelText; -} - -void KCompletionBox::canceled() -{ - if ( !d->cancelText.isNull() ) - emit userCancelled( d->cancelText ); - if ( isVisible() ) - hide(); -} - -class KCompletionBoxItem : public TQListBoxItem -{ -public: - //Returns true if dirty. - bool reuse( const TQString& newText ) - { - if ( text() == newText ) - return false; - setText( newText ); - return true; - } -}; - - -void KCompletionBox::insertItems( const TQStringList& items, int index ) -{ - bool block = signalsBlocked(); - blockSignals( true ); - insertStringList( items, index ); - blockSignals( block ); - d->down_workaround = true; -} - -void KCompletionBox::setItems( const TQStringList& items ) -{ - bool block = signalsBlocked(); - blockSignals( true ); - - TQListBoxItem* item = firstItem(); - if ( !item ) { - insertStringList( items ); - } - else { - //Keep track of whether we need to change anything, - //so we can avoid a tqrepaint for identical updates, - //to reduce flicker - bool dirty = false; - - TQStringList::ConstIterator it = items.constBegin(); - const TQStringList::ConstIterator itEnd = items.constEnd(); - - for ( ; it != itEnd; ++it) { - if ( item ) { - const bool changed = ((KCompletionBoxItem*)item)->reuse( *it ); - dirty = dirty || changed; - item = item->next(); - } - else { - dirty = true; - //Inserting an item is a way of making this dirty - insertItem( new TQListBoxText( *it ) ); - } - } - - //If there is an unused item, mark as dirty -> less items now - if ( item ) { - dirty = true; - } - - TQListBoxItem* tmp = item; - while ( (item = tmp ) ) { - tmp = item->next(); - delete item; - } - - if (dirty) - triggerUpdate( false ); - } - - if ( isVisible() && size().height() != tqsizeHint().height() ) - sizeAndPosition(); - - blockSignals( block ); - d->down_workaround = true; -} - -void KCompletionBox::slotCurrentChanged() -{ - d->down_workaround = false; -} - -void KCompletionBox::slotItemClicked( TQListBoxItem *item ) -{ - if ( item ) - { - if ( d->down_workaround ) { - d->down_workaround = false; - emit highlighted( item->text() ); - } - - hide(); - emit activated( item->text() ); - } -} - -void KCompletionBox::setActivateOnSelect(bool state) -{ - d->emitSelected = state; -} - -bool KCompletionBox::activateOnSelect() const -{ - return d->emitSelected; -} - -void KCompletionBox::virtual_hook( int id, void* data ) -{ KListBox::virtual_hook( id, data ); } - -#include "kcompletionbox.moc" |