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/* * Copyright (C) 2019 明心 <imleizhang@qq.com> * All rights reserved. * * This program is an open-source software; and it 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. * This program is not a free software; so you can not redistribute it(include * binary form and source code form) without my authorization. And if you * need use it for any commercial purpose, you should first get commercial * authorization from me, otherwise there will be your's legal&credit risks. * */ #include <gCtrlStyle.h> #include "gCtrlListBox.h" #include <gConstDefine.h> #include <gGlobal.h> GCtrlListBoxItem::GCtrlListBoxItem ( const GString& str, GCtrlForm* frm, GMItem* parent, const char* name ) :GMCtrlItem ( frm, parent, name ), m_txt ( str, frm, this, "listBoxText" ) { m_txt.setTextFlags ( Giveda::AlignVCenter ); } void GCtrlListBoxItem::paintEvent ( GPainter& p ) { m_txt.draw ( p ); } bool GCtrlListBoxItem::fwKeyPressEvent ( GKeyEvent *e ) { bool bRetVal = true; switch ( e->key() ) { case Giveda::Key_Return: { GCtrlListBox* pBox = ( GCtrlListBox* ) parent(); pBox->emitSelected ( this ); } break; default: bRetVal = false; break; } return bRetVal; } void GCtrlListBoxItem::setGeometry ( int x, int y, int w, int h ) { GMItem::setGeometry ( x,y,w,h ); m_txt.setSize ( width(), height() ); } GCtrlListBoxPixmap::GCtrlListBoxPixmap ( const GPixmap& pm, const GString& str, GCtrlForm* frm, GMItem* parent, const char* name ) :GCtrlListBoxItem ( str, frm, parent, name ), m_pix ( pm, frm, this, "listBoxPixmap" ) { } void GCtrlListBoxPixmap::paintEvent ( GPainter& p ) { m_pix.draw ( p ); m_txt.draw ( p ); } void GCtrlListBoxPixmap::setGeometry ( int x, int y, int w, int h ) { GMItem::setGeometry ( x,y,w,h ); int nTmp = height() - m_pix.height(); if ( nTmp > 1 ) { m_pix.setY ( nTmp/2 ); } m_txt.setGeometry ( m_pix.width(), 0, width()-m_pix.width(), height() ); } class GCtrlListBoxMhL { public: GCtrlListBoxMhL ( GCtrlForm* frm, GMItem* parent, GCtrlListBox *lb) :m_imgFocusIn ( frm, parent, "listBoxFocusIn" ), m_imgFocusOut ( frm, parent, "listBoxFocusOut" ), m_timerForShowItemInfo ( lb ), m_itemTxtColor ( 255,255,255 ), m_itemTxtFont ( "Sans", 20 ) {} GPtrList<GCtrlListBoxItem> m_itemList; GMImage m_imgFocusIn; GMImage m_imgFocusOut; GTimer m_timerForShowItemInfo; unsigned int m_nCurItemIndex; bool m_bIsNeedDoLayout; bool m_bIsNeedShowItemInfo; bool m_bSendHighLighted; unsigned int m_nDrawFrom; unsigned int m_nDrawTo; unsigned int m_nMaxWofItem; unsigned int m_nMaxHofItem; int m_nColumnNums; int m_nRowNums; GColor m_itemTxtColor; GFont m_itemTxtFont; bool m_bScrollEnabled; int m_nPreviousItemKey; int m_nNextItemKey; }; GCtrlListBox::GCtrlListBox ( GCtrlForm* frm, GMItem* parent, const char* name ) :GMContainerItem ( frm, parent, name ) { lbLqH = new GCtrlListBoxMhL(frm, parent, this ); frm->appendItem ( this ); lbLqH->m_nDrawFrom = 0; lbLqH->m_nColumnNums = 1; setRowNums ( 3 ); connect ( &lbLqH->m_timerForShowItemInfo, lbLqH->m_timerForShowItemInfo.timeout, this, &GCtrlListBox::slotFocusChangedTo ); connect ( this, this->loseFocus, this, &GCtrlListBox::slotLoseFocus ); connect ( this, this->getFocus, this, &GCtrlListBox::slotGetFocus ); lbLqH->m_nCurItemIndex = 0; lbLqH->m_bIsNeedDoLayout = true; lbLqH->m_bIsNeedShowItemInfo = true; lbLqH->m_bSendHighLighted = false; GCtrlDefaultAppStyle* pAppStyle = getDefaultAppStyle(); GCtrlItemStyle* pStyle=NULL; while ( NULL== ( pStyle=pAppStyle->itemStyle ( className() ) ) ) { pAppStyle->appendListBoxStyle(); } lbLqH->m_imgFocusIn.setImage ( pStyle->pixmap ( lbLqH->m_imgFocusIn.name() ) ); lbLqH->m_imgFocusOut.setImage ( pStyle->pixmap ( lbLqH->m_imgFocusOut.name() ) ); lbLqH->m_bScrollEnabled = true; lbLqH->m_nPreviousItemKey = Giveda::Key_Up; lbLqH->m_nNextItemKey = Giveda::Key_Down; } GCtrlListBox::~GCtrlListBox() { lbLqH->m_itemList.clear(); delete lbLqH; } void GCtrlListBox::paintEvent ( GPainter& p ) { if ( lbLqH->m_itemList.isEmpty() ) { return; } int nDrawTo = lbLqH->m_itemList.count()-1<lbLqH->m_nDrawTo ? lbLqH->m_itemList.count()-1 : lbLqH->m_nDrawTo; GCtrlListBoxItem* pItem=NULL; if ( lbLqH->m_bIsNeedDoLayout ) { lbLqH->m_itemList.at ( lbLqH->m_nDrawFrom )->setGeometry ( 0, 0, lbLqH->m_nMaxWofItem, lbLqH->m_nMaxHofItem ); lbLqH->m_itemList.at ( lbLqH->m_nDrawFrom )->getTxt()->setColor ( lbLqH->m_itemTxtColor ); lbLqH->m_itemList.at ( lbLqH->m_nDrawFrom )->getTxt()->setFont ( lbLqH->m_itemTxtFont ); int nBottomEdge = lbLqH->m_nMaxHofItem* ( lbLqH->m_nRowNums-1 ); for ( int j=lbLqH->m_nDrawFrom; j<nDrawTo; j++ ) { pItem = lbLqH->m_itemList.at ( j+1 ); if ( lbLqH->m_itemList.at ( j )->y() == nBottomEdge ) { pItem->setGeometry ( lbLqH->m_itemList.at ( j )->x() +lbLqH->m_nMaxWofItem, 0, lbLqH->m_nMaxWofItem, lbLqH->m_nMaxHofItem ); } else { pItem->setGeometry ( lbLqH->m_itemList.at ( j )->x(), lbLqH->m_itemList.at ( j )->y() +lbLqH->m_nMaxHofItem, lbLqH->m_nMaxWofItem, lbLqH->m_nMaxHofItem ); } pItem->getTxt()->setColor ( lbLqH->m_itemTxtColor ); pItem->getTxt()->setFont ( lbLqH->m_itemTxtFont ); } lbLqH->m_bIsNeedDoLayout = false; } if ( hasFocus() ) { lbLqH->m_imgFocusIn.setGeometry ( lbLqH->m_itemList.at ( lbLqH->m_nCurItemIndex )->x(), lbLqH->m_itemList.at ( lbLqH->m_nCurItemIndex )->y(), lbLqH->m_nMaxWofItem, lbLqH->m_nMaxHofItem ); lbLqH->m_imgFocusIn.draw ( p ); } else { lbLqH->m_imgFocusOut.setGeometry ( lbLqH->m_itemList.at ( lbLqH->m_nCurItemIndex )->x(), lbLqH->m_itemList.at ( lbLqH->m_nCurItemIndex )->y(), lbLqH->m_nMaxWofItem, lbLqH->m_nMaxHofItem ); lbLqH->m_imgFocusOut.draw ( p ); } for ( int j=lbLqH->m_nDrawFrom; j<=nDrawTo; j++ ) { pItem = lbLqH->m_itemList.at ( j ); p.save(); p.translate ( pItem->x(), pItem->y() ); pItem->draw ( p ); p.restore(); } if ( lbLqH->m_bSendHighLighted ) { highlighted_pI.emit ( lbLqH->m_itemList.at ( lbLqH->m_nCurItemIndex ) ); highlighted_pi.emit ( lbLqH->m_nCurItemIndex ); lbLqH->m_bSendHighLighted = false; } if ( lbLqH->m_bIsNeedShowItemInfo ) { lbLqH->m_timerForShowItemInfo.start ( 1000, true ); lbLqH->m_bIsNeedShowItemInfo = false; } } bool GCtrlListBox::fwKeyPressEvent ( GKeyEvent* e ) { mpFocus = lbLqH->m_itemList.at ( lbLqH->m_nCurItemIndex ); if ( mpFocus ) { if ( true == mpFocus->fwKeyPress ( e ) ) { return true; } } int nKey=e->key(); bool bRetVal = true; if ( nKey == lbLqH->m_nPreviousItemKey ) { bRetVal = moveFocusUp(); if ( true == bRetVal ) { return true; } } if ( nKey == lbLqH->m_nNextItemKey ) { bRetVal = moveFocusDown(); if ( true == bRetVal ) { return true; } } switch ( nKey ) { case Giveda::Key_Left: bRetVal = moveFocusLeft(); break; case Giveda::Key_Right: bRetVal = moveFocusRight(); break; default: bRetVal = false; break; } return bRetVal; } void GCtrlListBox::insertItem ( GCtrlListBoxItem* pItem, int index ) { if ( index<0 ) { lbLqH->m_itemList.append ( pItem