亂投醫,我知道和好以後即使添加OpenMP的,和的QTextEdit QPlainTextEdit
QT_MainWindow::QT_MainWindow(QWidget *parent) :QMainWindow(parent), ui(new Ui::QT_MainWindow)
{
ui->setupUi(this);
qRegisterMetaType<QTextCursor>("QTextCursor");
qRegisterMetaType<QTextBlock>("QTextBlock");
}
要我的源代碼,我仍然不能修改其他線程中的文本都的QTextEdit和QPlainTextEdit也是我使用OpenMP的使用Qt的。
誰能告訴我什麼是修改從的QTextEdit和QPlainTextEdit其他線程文本,因爲我沒能找到任何東西來幫助我
在這裏,正確的做法是我的源:
void QT_MainWindow::Load()
{
ui->QT_PlainTextEdit->setPlainText("");
std::ifstream file("File.txt");
std::string line;
#pragma omp parallel
{
while (std::getline(file, line))
ui->QT_PlainTextEdit->appendPlainText(QString::fromStdString(line));
file.close();
}
}
我設法得到它的工作只有這樣
void QT_MainWindow::Load()
{
omp_set_dynamic(0);
omp_set_nested(3);
#pragma omp parallel num_threads(3)
{
ui->QT_PlainTextEdit->setPlainText("");
}
}
但如果我嘗試設置文本
void QT_MainWindow::Load()
{
omp_set_dynamic(0);
omp_set_nested(3);
#pragma omp parallel num_threads(3)
{
ui->QT_PlainTextEdit->setPlainText("TEST");
}
}
我得到這個錯誤
QObject: Cannot create children for a parent that is in a different thread.
(Parent is QTextDocument(0x3bbc758), parent's thread is QThread(0x3bd140), current thread is QThread(0x3bbcb68)
The program has unexpectedly finished.
也
QObject: Cannot create children for a parent that is in a different thread.
(Parent is QTextDocument(0x465bfc0), parent's thread is QThread(0x3f3ad60), current thread is QThread(0x466d450)QObject: Cannot create children for a parent that is in a different thread.
(Parent is QTextDocument(0x465bfc0), parent's thread is QThread(0x3f3ad60), current thread is QThread(0x46eebe0)HEAP[app.exe]:
Invalid address specified to RtlFreeHeap(00000000023F0000, 0000000003F3DC40)
這將是很好的附加一些來源,這是很難說... –
好吧堅持我會在一個位 – POQDavid
@RobertWadowsk我確定我添加了源代碼,並注意我在執行任何操作之前先執行qRegisterMetaType – POQDavid