Ascenseur n'apparaisent pas dans mon QTReeWidget

**traiangueul** · 24/01/2011, 17h30

Salut
J'ai un soucis avec un QTreeWidget dans lequel j'affiche de trés longue chaines et dans lequel l'ascenseur (horizontal) n'apparait pas. J'ai fait différents essais comme forcer les scrollbars mais rien n'y fait. J'ai l'impression que le QTReeWidget ne se rend pas compte que ce qu'il a à afficher est trés grand pour lui.
J'ai donc poussé le vice jusqu'a calculer manuelement le sizeHint des QTreeWidgetItems que j'insère : sans résultat.

En résumé, j'ai les inclusions suivantes ('c' signifiant inclu)
QTreeWidget c QVBoxLayout c QSplitter horizontal c QWidget c QMdiSubWindow c QMdiArea

Une de ces inclusions est elle réputée pour engendrer de tels problèmes?

PS : je suis sous visual 2008 avec plugin Qt sous WinXP

note :
J'ai essayé de remplacer la QMdiSubWindow par une QDialog -> sans résultat
J'ai essayé de virer le QSplitter -> sans résultat

Toute idée étant la bienvenue, je vous remercie d'avance.

Voici le code de la classe contenant mon QTreeWidget :

fichier ui

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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>UiHmiAtcAessTrafficDisplayerClass</class>
 <widget class="QWidget" name="UiHmiAtcAessTrafficDisplayerClass">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>477</width>
    <height>565</height>
   </rect>
  </property>
  <property name="sizePolicy">
   <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
    <horstretch>0</horstretch>
    <verstretch>0</verstretch>
   </sizepolicy>
  </property>
  <property name="windowTitle">
   <string>Network Spy</string>
  </property>
  <layout class="QVBoxLayout" name="verticalLayout">
   <item>
    <widget class="QSplitter" name="splitter">
     <property name="sizePolicy">
      <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
       <horstretch>2</horstretch>
       <verstretch>2</verstretch>
      </sizepolicy>
     </property>
     <property name="orientation">
      <enum>Qt::Vertical</enum>
     </property>
     <widget class="QWidget" name="layoutWidget">
      <layout class="QVBoxLayout" name="_samplingVerticalLayout">
       <property name="sizeConstraint">
        <enum>QLayout::SetNoConstraint</enum>
       </property>
       <item>
        <widget class="QLabel" name="_samplingNameLabel">
         <property name="font">
          <font>
           <weight>75</weight>
           <bold>true</bold>
          </font>
         </property>
         <property name="text">
          <string>SAMPLING Messages</string>
         </property>
        </widget>
       </item>
       <item>
        <widget class="QTreeWidget" name="_samplingWindowTreeWidget">
         <property name="sizePolicy">
          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
           <horstretch>0</horstretch>
           <verstretch>0</verstretch>
          </sizepolicy>
         </property>
         <property name="focusPolicy">
          <enum>Qt::StrongFocus</enum>
         </property>
         <property name="lineWidth">
          <number>1</number>
         </property>
         <property name="midLineWidth">
          <number>0</number>
         </property>
         <property name="autoScroll">
          <bool>true</bool>
         </property>
         <property name="textElideMode">
          <enum>Qt::ElideNone</enum>
         </property>
         <property name="verticalScrollMode">
          <enum>QAbstractItemView::ScrollPerPixel</enum>
         </property>
         <property name="rootIsDecorated">
          <bool>true</bool>
         </property>
         <property name="itemsExpandable">
          <bool>true</bool>
         </property>
         <property name="wordWrap">
          <bool>false</bool>
         </property>
         <property name="expandsOnDoubleClick">
          <bool>true</bool>
         </property>
         <attribute name="headerStretchLastSection">
          <bool>true</bool>
         </attribute>
         <attribute name="headerStretchLastSection">
          <bool>true</bool>
         </attribute>
         <column>
          <property name="text">
           <string>Timestamp</string>
          </property>
         </column>
         <column>
          <property name="text">
           <string>From</string>
          </property>
         </column>
         <column>
          <property name="text">
           <string>To</string>
          </property>
         </column>
         <column>
          <property name="text">
           <string>Payload</string>
          </property>
         </column>
        </widget>
       </item>
      </layout>
     </widget>
     <widget class="QWidget" name="layoutWidget">
      <layout class="QVBoxLayout" name="_itpVerticalLayout">
       <item>
        <widget class="QLabel" name="_itpNameLabel">
         <property name="font">
          <font>
           <weight>75</weight>
           <bold>true</bold>
          </font>
         </property>
         <property name="text">
          <string>ITP Messages</string>
         </property>
        </widget>
       </item>
       <item>
        <widget class="QTreeWidget" name="_itpWindowTreeWidget">
         <property name="frameShape">
          <enum>QFrame::StyledPanel</enum>
         </property>
         <property name="textElideMode">
          <enum>Qt::ElideNone</enum>
         </property>
         <property name="verticalScrollMode">
          <enum>QAbstractItemView::ScrollPerPixel</enum>
         </property>
         <property name="rootIsDecorated">
          <bool>true</bool>
         </property>
         <property name="itemsExpandable">
          <bool>true</bool>
         </property>
         <property name="wordWrap">
          <bool>false</bool>
         </property>
         <property name="expandsOnDoubleClick">
          <bool>true</bool>
         </property>
         <column>
          <property name="text">
           <string>Timestamp</string>
          </property>
         </column>
         <column>
          <property name="text">
           <string>From</string>
          </property>
         </column>
         <column>
          <property name="text">
           <string>To</string>
          </property>
         </column>
         <column>
          <property name="text">
           <string>Payload</string>
          </property>
         </column>
        </widget>
       </item>
      </layout>
     </widget>
    </widget>
   </item>
  </layout>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>

fichier ui_<blabla>

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/********************************************************************************
** Form generated from reading UI file 'uihmiatcaesstrafficdisplayer.ui'
**
** Created: Mon 24. Jan 10:55:36 2011
**      by: Qt User Interface Compiler version 4.6.2
**
** WARNING! All changes made in this file will be lost when recompiling UI file!
********************************************************************************/
 
#ifndef UI_UIHMIATCAESSTRAFFICDISPLAYER_H
#define UI_UIHMIATCAESSTRAFFICDISPLAYER_H
 
#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QApplication>
#include <QtGui/QButtonGroup>
#include <QtGui/QHeaderView>
#include <QtGui/QLabel>
#include <QtGui/QSplitter>
#include <QtGui/QTreeWidget>
#include <QtGui/QVBoxLayout>
#include <QtGui/QWidget>
 
QT_BEGIN_NAMESPACE
 
class Ui_UiHmiAtcAessTrafficDisplayerClass
{
public:
    QVBoxLayout *verticalLayout;
    QSplitter *splitter;
    QWidget *layoutWidget;
    QVBoxLayout *_samplingVerticalLayout;
    QLabel *_samplingNameLabel;
    QTreeWidget *_samplingWindowTreeWidget;
    QWidget *layoutWidget1;
    QVBoxLayout *_itpVerticalLayout;
    QLabel *_itpNameLabel;
    QTreeWidget *_itpWindowTreeWidget;
 
    void setupUi(QWidget *UiHmiAtcAessTrafficDisplayerClass)
    {
        if (UiHmiAtcAessTrafficDisplayerClass->objectName().isEmpty())
            UiHmiAtcAessTrafficDisplayerClass->setObjectName(QString::fromUtf8("UiHmiAtcAessTrafficDisplayerClass"));
        UiHmiAtcAessTrafficDisplayerClass->resize(477, 565);
        QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
        sizePolicy.setHorizontalStretch(0);
        sizePolicy.setVerticalStretch(0);
        sizePolicy.setHeightForWidth(UiHmiAtcAessTrafficDisplayerClass->sizePolicy().hasHeightForWidth());
        UiHmiAtcAessTrafficDisplayerClass->setSizePolicy(sizePolicy);
        verticalLayout = new QVBoxLayout(UiHmiAtcAessTrafficDisplayerClass);
        verticalLayout->setSpacing(6);
        verticalLayout->setContentsMargins(11, 11, 11, 11);
        verticalLayout->setObjectName(QString::fromUtf8("verticalLayout"));
        splitter = new QSplitter(UiHmiAtcAessTrafficDisplayerClass);
        splitter->setObjectName(QString::fromUtf8("splitter"));
        QSizePolicy sizePolicy1(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
        sizePolicy1.setHorizontalStretch(2);
        sizePolicy1.setVerticalStretch(2);
        sizePolicy1.setHeightForWidth(splitter->sizePolicy().hasHeightForWidth());
        splitter->setSizePolicy(sizePolicy1);
        splitter->setOrientation(Qt::Vertical);
        layoutWidget = new QWidget(splitter);
        layoutWidget->setObjectName(QString::fromUtf8("layoutWidget"));
        _samplingVerticalLayout = new QVBoxLayout(layoutWidget);
        _samplingVerticalLayout->setSpacing(6);
        _samplingVerticalLayout->setContentsMargins(11, 11, 11, 11);
        _samplingVerticalLayout->setObjectName(QString::fromUtf8("_samplingVerticalLayout"));
        _samplingVerticalLayout->setSizeConstraint(QLayout::SetNoConstraint);
        _samplingVerticalLayout->setContentsMargins(0, 0, 0, 0);
        _samplingNameLabel = new QLabel(layoutWidget);
        _samplingNameLabel->setObjectName(QString::fromUtf8("_samplingNameLabel"));
        QFont font;
        font.setBold(true);
        font.setWeight(75);
        _samplingNameLabel->setFont(font);
 
        _samplingVerticalLayout->addWidget(_samplingNameLabel);
 
        _samplingWindowTreeWidget = new QTreeWidget(layoutWidget);
        _samplingWindowTreeWidget->setObjectName(QString::fromUtf8("_samplingWindowTreeWidget"));
        sizePolicy.setHeightForWidth(_samplingWindowTreeWidget->sizePolicy().hasHeightForWidth());
        _samplingWindowTreeWidget->setSizePolicy(sizePolicy);
        _samplingWindowTreeWidget->setFocusPolicy(Qt::StrongFocus);
        _samplingWindowTreeWidget->setLineWidth(1);
        _samplingWindowTreeWidget->setMidLineWidth(0);
        _samplingWindowTreeWidget->setAutoScroll(true);
        _samplingWindowTreeWidget->setTextElideMode(Qt::ElideNone);
        _samplingWindowTreeWidget->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
        _samplingWindowTreeWidget->setRootIsDecorated(true);
        _samplingWindowTreeWidget->setItemsExpandable(true);
        _samplingWindowTreeWidget->setWordWrap(false);
        _samplingWindowTreeWidget->setExpandsOnDoubleClick(true);
        _samplingWindowTreeWidget->header()->setStretchLastSection(true);
 
        _samplingVerticalLayout->addWidget(_samplingWindowTreeWidget);
 
        splitter->addWidget(layoutWidget);
        layoutWidget1 = new QWidget(splitter);
        layoutWidget1->setObjectName(QString::fromUtf8("layoutWidget1"));
        _itpVerticalLayout = new QVBoxLayout(layoutWidget1);
        _itpVerticalLayout->setSpacing(6);
        _itpVerticalLayout->setContentsMargins(11, 11, 11, 11);
        _itpVerticalLayout->setObjectName(QString::fromUtf8("_itpVerticalLayout"));
        _itpVerticalLayout->setContentsMargins(0, 0, 0, 0);
        _itpNameLabel = new QLabel(layoutWidget1);
        _itpNameLabel->setObjectName(QString::fromUtf8("_itpNameLabel"));
        _itpNameLabel->setFont(font);
 
        _itpVerticalLayout->addWidget(_itpNameLabel);
 
        _itpWindowTreeWidget = new QTreeWidget(layoutWidget1);
        _itpWindowTreeWidget->setObjectName(QString::fromUtf8("_itpWindowTreeWidget"));
        _itpWindowTreeWidget->setFrameShape(QFrame::StyledPanel);
        _itpWindowTreeWidget->setTextElideMode(Qt::ElideNone);
        _itpWindowTreeWidget->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
        _itpWindowTreeWidget->setRootIsDecorated(true);
        _itpWindowTreeWidget->setItemsExpandable(true);
        _itpWindowTreeWidget->setWordWrap(false);
        _itpWindowTreeWidget->setExpandsOnDoubleClick(true);
 
        _itpVerticalLayout->addWidget(_itpWindowTreeWidget);
 
        splitter->addWidget(layoutWidget1);
 
        verticalLayout->addWidget(splitter);
 
 
        retranslateUi(UiHmiAtcAessTrafficDisplayerClass);
 
        QMetaObject::connectSlotsByName(UiHmiAtcAessTrafficDisplayerClass);
    } // setupUi
 
    void retranslateUi(QWidget *UiHmiAtcAessTrafficDisplayerClass)
    {
        UiHmiAtcAessTrafficDisplayerClass->setWindowTitle(QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "Network Spy", 0, QApplication::UnicodeUTF8));
        _samplingNameLabel->setText(QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "SAMPLING Messages", 0, QApplication::UnicodeUTF8));
        QTreeWidgetItem *___qtreewidgetitem = _samplingWindowTreeWidget->headerItem();
        ___qtreewidgetitem->setText(3, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "Payload", 0, QApplication::UnicodeUTF8));
        ___qtreewidgetitem->setText(2, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "To", 0, QApplication::UnicodeUTF8));
        ___qtreewidgetitem->setText(1, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "From", 0, QApplication::UnicodeUTF8));
        ___qtreewidgetitem->setText(0, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "Timestamp", 0, QApplication::UnicodeUTF8));
        _itpNameLabel->setText(QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "ITP Messages", 0, QApplication::UnicodeUTF8));
        QTreeWidgetItem *___qtreewidgetitem1 = _itpWindowTreeWidget->headerItem();
        ___qtreewidgetitem1->setText(3, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "Payload", 0, QApplication::UnicodeUTF8));
        ___qtreewidgetitem1->setText(2, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "To", 0, QApplication::UnicodeUTF8));
        ___qtreewidgetitem1->setText(1, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "From", 0, QApplication::UnicodeUTF8));
        ___qtreewidgetitem1->setText(0, QApplication::translate("UiHmiAtcAessTrafficDisplayerClass", "Timestamp", 0, QApplication::UnicodeUTF8));
    } // retranslateUi
 
};
 
namespace Ui {
    class UiHmiAtcAessTrafficDisplayerClass: public Ui_UiHmiAtcAessTrafficDisplayerClass {};
} // namespace Ui
 
QT_END_NAMESPACE
 
#endif // UI_UIHMIATCAESSTRAFFICDISPLAYER_H

fichier h

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#pragma once
 
#include <QtGui/QWidget>
#include <QtCore/QStringList>
#include <QtGui/QPainter>
#include <QtGui/QBrush>
#include <QtGui/QPalette>
#include <QtGui/QColor>
#include "ui_uihmiatcaesstrafficdisplayer.h"
#include "ITrafficObserver.h"
#include "IAppliStateObserver.h"
#include <QtCore/QList>
#include <QtCore/QString>
 
class HmiAtcAessTrafficDisplayer: public QWidget , ITrafficObserver, IAppliStateObserver
{
	Q_OBJECT
 
protected:
	QList<E_TRAFFIC_ID> _allowTraffic;
	char *_fromTraffic;
	char *_toTraffic;
	QStringList _lastSamplingFields;
 
public:
 
 
	HmiAtcAessTrafficDisplayer(QString aWindowTitle, QList<E_TRAFFIC_ID> aAllowAesuTraffic  , QWidget *parent);
	~HmiAtcAessTrafficDisplayer(void);
	bool findTrafficId(E_TRAFFIC_ID aTrafficId);
	//implementation of ITrafficObserver
	QList<E_TRAFFIC_ID> getTrafficId();
 
 
 
	inline void receiveTraffic(E_TRAFFIC_ID aTrafficId, QStringList aFields) {emit signalReceiveTraffic(aTrafficId, aFields);};
		//slotReceiveTraffic(aTrafficId, aFields);}
 
signals:
	void signalReceiveTraffic(E_TRAFFIC_ID aTrafficId, QStringList aFields);
	void signalStartProcessing();
 
public slots:
	void slotReceiveTraffic(E_TRAFFIC_ID aTrafficId, QStringList aFields);
	void slotStartProcessing();
	void linkStatusChanged(E_TRAFFIC_ID aTrafficId, ConnectionStatus aStatus);
 
 
	//implementation of IAppliStateObserver
	inline int startProcessing() {emit signalStartProcessing(); return 0;};
	inline int stopProcessing() {return 0;};
	inline int pauseProcessing() {return 0;};
 
	inline int isConnectedToAnetoAfdx(bool aStatus) {return 0;};
	inline int isConnectedToRemoteApplication(bool aStatus) {return 0;};
 
	inline int applicationModeIsSetTo(E_APPLI_MODE aMode) {return 0;};
	inline int workspaceStateChangedTo(E_WORKSPACE_STATE aWorkspaceState) {return 0;};
 
 
private:
	Ui::UiHmiAtcAessTrafficDisplayerClass ui;
};

fichier cpp

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#include "HmiAtcAessTrafficDisplayer.h"
#include "iTrafficObserver.h"
#include "hmi_facade.h"
#include "hmiMessageLogger.h"
#include "richtextdelegate.h"
#include <string.h>
#include <QtCore/QString>
#include <QtGui/QPainter>
#include <QtGui/QBrush>
#include <QtGui/QPalette>
#include <QtCore/QList>
#include <QtCore/QString>
 
extern registerTrafficObserverType coreDllRegisterTrafficObserver;
extern unregisterTrafficObserverType coreDllUnregisterTrafficObserver;
 
extern registerAppliStateObserverType coreDllRegisterAppliStateObserver;
extern unregisterAppliStateObserverType coreDllUnregisterAppliStateObserver;
 
 
 
HmiAtcAessTrafficDisplayer::HmiAtcAessTrafficDisplayer(QString aWindowTitle, QList<E_TRAFFIC_ID> aAllowAesuTraffic  , QWidget *parent): QWidget(parent)
{
	ui.setupUi(this);
 
	//Select the traffic permitted
 
	_allowTraffic=aAllowAesuTraffic;
	_lastSamplingFields.clear();
 
 
	//connect signal an slot
	bool lRet = false;
 
	qRegisterMetaType<E_TRAFFIC_ID>("E_TRAFFIC_ID");
	lRet = QObject::connect(this, SIGNAL(signalReceiveTraffic(E_TRAFFIC_ID, QStringList)), this, SLOT(slotReceiveTraffic(E_TRAFFIC_ID, QStringList)), Qt::QueuedConnection);
	lRet = QObject::connect(this, SIGNAL(signalStartProcessing()), this, SLOT(slotStartProcessing()), Qt::QueuedConnection);
 
	this->setWindowTitle(aWindowTitle);
 
 
	//this->ui._itpWindowTreeWidget->setItemDelegateForColumn(3, new RichTextDelegate(1,this));
	//this->ui._samplingWindowTreeWidget->setItemDelegateForColumn(3, new RichTextDelegate(2,this));
 
	//Set column width
	this->ui._itpWindowTreeWidget->setColumnWidth(0,90);
	this->ui._itpWindowTreeWidget->setColumnWidth(1,45);
	this->ui._itpWindowTreeWidget->setColumnWidth(2,45);
 
	this->ui._samplingWindowTreeWidget->setColumnWidth(0,90);
	this->ui._samplingWindowTreeWidget->setColumnWidth(1,45);
	this->ui._samplingWindowTreeWidget->setColumnWidth(2,45);
 
	//register this traffic Observer to the core
	coreDllRegisterTrafficObserver(this);
	coreDllRegisterAppliStateObserver(this);
}
 
bool HmiAtcAessTrafficDisplayer::findTrafficId(E_TRAFFIC_ID aTrafficId){
	bool lRet=false;
 
	for(int lIndex=0;lIndex<_allowTraffic.size(); lIndex++ ){
 
		if (_allowTraffic.at(lIndex)==aTrafficId){
			lRet=true;
		}	
	}
 
	return lRet;
 
};
HmiAtcAessTrafficDisplayer::~HmiAtcAessTrafficDisplayer(void)
{
	//unregister this traffic Observer from the core
	coreDllUnregisterTrafficObserver(this);
	coreDllUnregisterAppliStateObserver(this);
 
}
QList<E_TRAFFIC_ID>  HmiAtcAessTrafficDisplayer::getTrafficId(){
	return _allowTraffic;
}
 
void HmiAtcAessTrafficDisplayer::slotReceiveTraffic(E_TRAFFIC_ID aTrafficId, QStringList aFields) {
 
	QBrush lBrushFg;
    QBrush lBrushBg;
 
	QStringList lLine;
	QStringList lParts;
	QList<QTreeWidgetItem *> lChildrenItems;
 
 
	//First Check that traffic Id is managed by this window
	bool lTrafficfound=this->findTrafficId(aTrafficId);
	if(!lTrafficfound) {
		return;
	}
 
	//then, check size of received fields
	int lExpectedNumberOfFieldsInInput = 0;
	switch (aTrafficId) {
		case ITP_IN_AESU1:
		case ITP_IN_AESU2:
		case ITP_OUT_AESU1:
		case ITP_OUT_AESU2:
			lExpectedNumberOfFieldsInInput = ui._samplingWindowTreeWidget->columnCount();
			break;
		case SAMPLING_OUT_AESU1:
		case SAMPLING_OUT_AESU2:
		case SAMPLING_IN_AESU1:
		case SAMPLING_IN_AESU2:
		default:
			lExpectedNumberOfFieldsInInput = ui._itpWindowTreeWidget->columnCount();
			break;
	}//switch for column count
	if (aFields.size() != lExpectedNumberOfFieldsInInput) {
		string lErrorMessage = "inconsistent number of columns to display : ";
		for (unsigned int lIdx=0; lIdx<aFields.size(); lIdx++){
			lErrorMessage += aFields.at(lIdx).toStdString();
			lErrorMessage += ";";
		}
		HmiMessageLogger::staticDisplayLogMessage("HMI", Warning, lErrorMessage);
		return;
	}
 
	//in case of sampling in, check that received message is new (ie not the same than last received one)
	switch(aTrafficId) {
		case SAMPLING_IN_AESU1:
		case SAMPLING_IN_AESU2:
			if ( (aFields.at(1)==_lastSamplingFields.at(1)) &&
				 (aFields.at(2)==_lastSamplingFields.at(2)) &&
				 (aFields.at(3)==_lastSamplingFields.at(3)) ) {
					//all fields are the same
					//stop processing
					return;
			} else {
				//lets record them for next time
				_lastSamplingFields = aFields;
			}
			break;
	}//switch for refresh managment
 
 
	//everything seems to be ok
	//we can display messages
	//-------------------------------------------------
 
	//make a copy of input field list to display it un chidren nodes
	QStringList lCopyOfInputFields = aFields;
	lCopyOfInputFields[lCopyOfInputFields.size() - 1].replace(QChar('\n'), "  |  ", Qt::CaseSensitive);
 
	//create new item which will be top node
	QTreeWidgetItem *lQFields= new QTreeWidgetItem(lCopyOfInputFields);
	lQFields->setTextAlignment(0,Qt::AlignLeft|Qt::AlignTop);
	lQFields->setTextAlignment(1,Qt::AlignLeft|Qt::AlignTop);
	lQFields->setTextAlignment(2,Qt::AlignLeft|Qt::AlignTop);
	lQFields->setTextAlignment(3,Qt::AlignLeft|Qt::AlignTop);
 
 
	//get brush for background foreground color
	switch (aTrafficId) {
		case ITP_IN_AESU1:
		case ITP_IN_AESU2:
		case SAMPLING_IN_AESU1:
		case SAMPLING_IN_AESU2:
			lBrushFg.setColor(Qt::black);
			lBrushBg.setColor(Qt::white);
			break;
		case SAMPLING_OUT_AESU1:
		case SAMPLING_OUT_AESU2:
		case ITP_OUT_AESU1:
		case ITP_OUT_AESU2:
		default:
			lBrushFg.setColor(Qt::blue);
			lBrushBg.setColor(Qt::white);
			break;
	}//switch for color
 
	//in all cases, set color on the widget (for whole line)
	for(int lIdx=0 ; lIdx<ui._itpWindowTreeWidget->columnCount(); lIdx++ ){
		lQFields->setForeground(lIdx,lBrushFg);
		lQFields->setBackground(lIdx,lBrushBg);
	}
 
 
	//insert data in correct tree
 
	switch(aTrafficId){
 
		//display ITP Messages
		case ITP_IN_AESU1:
		case ITP_IN_AESU2:
		case ITP_OUT_AESU1:
		case ITP_OUT_AESU2:
 
			//insert top level node
			ui._itpWindowTreeWidget->insertTopLevelItem(0,lQFields);
 
			//TEST SLL
			{
				aFields[0]="";
				aFields[1]="";
				aFields[2]="";
			QTreeWidgetItem *lTmpIt = new QTreeWidgetItem(lQFields, aFields, QTreeWidgetItem::Type);
			lTmpIt->setForeground(3,lBrushFg);
			lTmpIt->setBackground(3,lBrushBg);
			lQFields->addChild(lTmpIt);
			}
/*
 
			//insert chidren nodes
			lParts = aFields[3].split(QChar('\n'),QString::KeepEmptyParts,Qt::CaseSensitive);
			for (int lFieldNb = 0 ; lFieldNb < lParts.size(); lFieldNb ++) {
				lLine.clear();
				lLine << "" << "" << "" << lParts[lFieldNb];
				QTreeWidgetItem *lTmpItem = new QTreeWidgetItem(lQFields, lLine, QTreeWidgetItem::Type);
				lTmpItem->setForeground(3,lBrushFg);
				lTmpItem->setBackground(3,lBrushBg);
				lChildrenItems.push_back(lTmpItem);
			}
			lQFields->addChildren((const QList<QTreeWidgetItem*>) lChildrenItems);
			*/
			break;
 
		//display sampling Messages	
		case SAMPLING_OUT_AESU1:
		case SAMPLING_OUT_AESU2:
		case SAMPLING_IN_AESU1:
		case SAMPLING_IN_AESU2:
			//insert top level node
			ui._samplingWindowTreeWidget->insertTopLevelItem(0,lQFields);
 
			//compute size hint (we ve got some problems with horizontal scrollbars
			for(int lIdx = 0 ; lIdx < aFields.size(); lIdx++) {
				QFontMetrics lFm(lQFields->font(lIdx));
				lQFields->setSizeHint(lIdx,lFm.size(Qt::TextSingleLine, lQFields->text(lIdx)));
			}
			//TEST SLL
				aFields[0]="";
				aFields[1]="";
				aFields[2]="";
			QTreeWidgetItem *lTmpIt = new QTreeWidgetItem(lQFields, aFields, QTreeWidgetItem::Type);
			lTmpIt->setForeground(3,lBrushFg);
			lTmpIt->setBackground(3,lBrushBg);
			lQFields->addChild(lTmpIt);
 
			//insert chidren nodes
			/*lParts = aFields[3].split(QChar('\n'),QString::KeepEmptyParts,Qt::CaseSensitive);
			for (int lFieldNb = 0 ; lFieldNb < lParts.size(); lFieldNb ++) {
				lLine.clear();
				lLine << "" << "" << "" << lParts[lFieldNb];
				QTreeWidgetItem* lTmpItem = new QTreeWidgetItem(lQFields, lLine, QTreeWidgetItem::Type);
				lTmpItem->setForeground(3,lBrushFg);
				lTmpItem->setBackground(3,lBrushBg);
				lChildrenItems.push_back(lTmpItem);
			}
			lQFields->addChildren((const QList<QTreeWidgetItem*>) lChildrenItems);
			*/
 
			break;
	}//swith for data display
}
 
void HmiAtcAessTrafficDisplayer::slotStartProcessing() {
	ui._samplingWindowTreeWidget->clear();
	ui._itpWindowTreeWidget->clear();
	_lastSamplingFields.clear();
}
 
void HmiAtcAessTrafficDisplayer::linkStatusChanged(E_TRAFFIC_ID aTrafficId, ConnectionStatus aStatus) {
	//TODO There, we could warn user that link was disabled
	//we would have to manage state of each link separatly.
}

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//lien entre monQwidget et MdiSubWindow
//grosso modo ca donne ca :
QMdiSubWindow* maSubWindow = new QMdiSubWindow(maDesktopMdiArea);
maSubWindow->setWidget(monQwidgetContenantMonFameuxQTreeWidget);
maSubWindow->show();

Ascenseur n'apparaisent pas dans mon QTReeWidget

Qt

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