QTreeWidget

标签：text   break   alignment   utf-8   eth   label   row   help   line   

#ifndef QTREEWIDGETHELPER_H
#define QTREEWIDGETHELPER_H

#include <QTreeWidget>
#pragma execution_character_set("utf-8")
void QTreeWidgetSetHearderLabel(QTreeWidget *source,QString value)
{
source->setHeaderLabel(value); //设置头的标题
source->headerItem()->setTextAlignment(0, Qt::AlignHCenter | Qt::AlignVCenter);
}

int treeCount(QTreeWidget *tree, QTreeWidgetItem *parent=0)
{
Q_ASSERT(tree != NULL);

int count = 0;
if (parent == 0) {
int topCount = tree->topLevelItemCount();
for (int i = 0; i < topCount; i++) {
QTreeWidgetItem *item = tree->topLevelItem(i);
if (item->isExpanded()) {
count += treeCount(tree, item);
}
}
count += topCount;
}
else {
int childCount = parent->childCount();
for (int i = 0; i < childCount; i++) {
QTreeWidgetItem *item = parent->child(i);
if (item->isExpanded()) {
count += treeCount(tree, item);
}
}
count += childCount;
}
return count;
}

void QTreeWidgetAddOneLine(QTreeWidget *source, QString value)
{
int counter = treeCount(source);
// QString var = QString("%1 %2").arg(counter).arg(value);
QString var = QString("%1").arg(value);
QTreeWidgetItem *imageItem2 = new QTreeWidgetItem(source, QStringList(var));
}

bool findedCurRow = false;
int curRow(QTreeWidget *tree, QTreeWidgetItem *curItem, QTreeWidgetItem *parent=0)
{
Q_ASSERT(tree != NULL);
Q_ASSERT(curItem != NULL);

int count = 0;
if (parent == 0)
{
int topCount = tree->topLevelItemCount();
for (int i = 0; i < topCount; i++)
{
if (findedCurRow)
{
break;
}
count++;
QTreeWidgetItem *item = tree->topLevelItem(i);
if (item == curItem)
{
break;
}
if (item->isExpanded()) {
count += curRow(tree, item, curItem);
}
}
}
else {
int childCount = parent->childCount();
for (int i = 0; i < childCount; i++) {
if (findedCurRow)
{
break;
}
count++;
QTreeWidgetItem *item = parent->child(i);
if (item == curItem)
{
findedCurRow = true;
break;
}
if (item->isExpanded()) {
count += curRow(tree, item, curItem);
}
}
}
return count;
}

QTreeWidget

标签：text   break   alignment   utf-8   eth   label   row   help   line   

原文地址：https://www.cnblogs.com/ShiShouTHS/p/11365489.html