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164 lines
5.8 KiB
164 lines
5.8 KiB
// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*-
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/* This file is part of the KDE project
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Copyright (C) 2004 Esben Mose Hansen <kde@mosehansen.dk>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <tqregexp.h>
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#include <tqstyle.h>
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#include <tqpixmap.h>
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#include <tqimage.h>
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#include <kstringhandler.h>
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#include <klocale.h>
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#include <kdebug.h>
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#include "historyitem.h"
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#include "popupproxy.h"
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#include "history.h"
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#include "klipperpopup.h"
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PopupProxy::PopupProxy( KlipperPopup* parent, const char* name, int menu_height, int menu_width )
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: TQObject( parent, name ),
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proxy_for_menu( parent ),
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spillPointer( parent->history()->youngest() ),
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m_menu_height( menu_height ),
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m_menu_width( menu_width ),
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nextItemNumber( 0 )
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{
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connect( parent->history(), TQT_SIGNAL( changed() ), TQT_SLOT( slotHistoryChanged() ) );
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}
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void PopupProxy::slotHistoryChanged() {
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deleteMoreMenus();
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}
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void PopupProxy::deleteMoreMenus() {
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const KPopupMenu* myParent = parent();
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if ( myParent != proxy_for_menu ) {
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const KPopupMenu* delme = proxy_for_menu;;
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proxy_for_menu = static_cast<KPopupMenu*>( proxy_for_menu->parent() );
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while ( proxy_for_menu != myParent ) {
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delme = proxy_for_menu;
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proxy_for_menu = static_cast<KPopupMenu*>( proxy_for_menu->parent() );
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}
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delete delme;
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}
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}
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int PopupProxy::buildParent( int index, const TQRegExp& filter ) {
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deleteMoreMenus();
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// Start from top of history (again)
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spillPointer = parent()->history()->youngest();
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nextItemNumber = 0;
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if ( filter.isValid() ) {
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m_filter = filter;
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}
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return insertFromSpill( index );
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}
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KlipperPopup* PopupProxy::parent() {
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return static_cast<KlipperPopup*>( TQObject::parent() );
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}
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void PopupProxy::slotAboutToShow() {
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insertFromSpill();
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}
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void PopupProxy::tryInsertItem( HistoryItem const * const item,
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int& remainingHeight,
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const int index )
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{
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// Insert item
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int id = -1;
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TQPixmap image( item->image() );
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if ( image.isNull() ) {
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// Squeeze text strings so that do not take up the entire screen (or more)
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TQString text( KStringHandler::cPixelSqueeze(item->text().simplifyWhiteSpace(),
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proxy_for_menu->fontMetrics(),
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m_menu_width).tqreplace( "&", "&&" ) );
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id = proxy_for_menu->insertItem( text, -1, index );
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} else {
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const TQSize max_size( m_menu_width,m_menu_height/4 );
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if ( image.height() > max_size.height() || image.width() > max_size.width() ) {
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image.convertFromImage( image.convertToImage().smoothScale( max_size, TQImage::ScaleMin ) );
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}
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id = proxy_for_menu->insertItem( image, -1, index );
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}
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// Determine height of a menu item.
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Q_ASSERT( id != -1 ); // Be sure that the item was inserted.
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TQMenuItem* mi = proxy_for_menu->findItem( id );
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int fontheight = TQFontMetrics( proxy_for_menu->fontMetrics() ).height();
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int itemheight = proxy_for_menu->style().sizeFromContents(TQStyle::CT_PopupMenuItem,
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proxy_for_menu,
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TQSize( 0, fontheight ),
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TQStyleOption(mi,10,0) ).height();
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// Test if there was enough space
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remainingHeight -= itemheight;
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History* history = parent()->history();
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proxy_for_menu->connectItem( id,
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history,
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TQT_SLOT( slotMoveToTop( int ) ) );
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proxy_for_menu->setItemParameter( id, nextItemNumber );
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}
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int PopupProxy::insertFromSpill( int index ) {
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// This menu is going to be filled, so we don't need the aboutToShow()
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// signal anymore
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disconnect( proxy_for_menu, 0, this, 0 );
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// Insert history items into the current proxy_for_menu,
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// discarding any that doesn't match the current filter.
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// stop when the total number of items equal m_itemsPerMenu;
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int count = 0;
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int remainingHeight = m_menu_height - proxy_for_menu->tqsizeHint().height();
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// Force at least one item to be inserted.
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remainingHeight = QMAX( remainingHeight, 0 );
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for ( const HistoryItem* item = spillPointer.current();
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item && remainingHeight >= 0;
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nextItemNumber++, item = ++spillPointer )
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{
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if ( m_filter.search( item->text() ) == -1) {
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continue;
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}
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tryInsertItem( item, remainingHeight, index++ );
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count++;
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}
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// If there is more items in the history, insert a new "More..." menu and
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// make *this a proxy for that menu ('s content).
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if ( spillPointer.current() ) {
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KPopupMenu* moreMenu = new KPopupMenu( proxy_for_menu, "a more menu" );
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proxy_for_menu->insertItem( i18n( "&More" ), moreMenu, -1, index );
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connect( moreMenu, TQT_SIGNAL( aboutToShow() ), TQT_SLOT( slotAboutToShow() ) );
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proxy_for_menu = moreMenu;
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}
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// Return the number of items inserted.
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return count;
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}
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#include "popupproxy.moc"
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