potok/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2026-07-21 19:33:03 +04:00
Code Packages Releases Wiki Activity

highgui(qt): preserve UTF-8 window names in fallback paths

Browse Source 
Avoid lossy Latin-1 conversions when creating/looking up Qt HighGUI windows and convert C-string entry points to UTF-8 explicitly. This fixes non-ASCII title handling paths that could lead to mismatched window lookup and silent display failures.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Mulham Fetna
2026-04-25 12:32:46 +03:00
parent 89377d1fd2
commit d60b0c70b4
1 changed files with 10 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
modules/highgui/src/window_QT.cpp
+10 -10
View File
@@ -238,8 +238,8 @@ void setWindowTitle_QT(const String& winname, const String& title)
QMetaObject::invokeMethod(guiMainThread,
"setWindowTitle",
autoBlockingConnection(),
Q_ARG(QString, QString(winname.c_str())),
Q_ARG(QString, QString(title.c_str())));
Q_ARG(QString, QString::fromUtf8(winname.c_str())),
Q_ARG(QString, QString::fromUtf8(title.c_str())));
}
@@ -562,10 +562,10 @@ CV_IMPL int cvNamedWindow(const char* name, int flags)
QMetaObject::invokeMethod(guiMainThread,
"createWindow",
Qt::BlockingQueuedConnection, // block so that we can do useful stuff once we confirm it is created
Q_ARG(QString, QString(name)),
Q_ARG(QString, QString::fromUtf8(name)),
Q_ARG(int, flags));
} else {
guiMainThread->createWindow(QString(name), flags);
guiMainThread->createWindow(QString::fromUtf8(name), flags);
}
return 1; //Dummy value - probably should return the result of the invocation.
@@ -766,11 +766,11 @@ CV_IMPL void cvShowImage(const char* name, const CvArr* arr)
QMetaObject::invokeMethod(guiMainThread,
"showImage",
autoBlockingConnection(),
Q_ARG(QString, QString(name)),
Q_ARG(QString, QString::fromUtf8(name)),
Q_ARG(void*, (void*)arr)
);
} else {
guiMainThread->showImage(QString(name), (void*)arr);
guiMainThread->showImage(QString::fromUtf8(name), (void*)arr);
}
}
@@ -942,7 +942,7 @@ double GuiReceiver::getRatioWindow(QString name)
void GuiReceiver::setRatioWindow(QString name, double arg2)
{
QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() );
QPointer<CvWindow> w = icvFindWindowByName(name);
if (!w)
return;
@@ -992,7 +992,7 @@ void GuiReceiver::setWindowTitle(QString name, QString title)
if (!w)
{
cvNamedWindow(name.toLatin1().data());
cvNamedWindow(name.toUtf8().constData());
w = icvFindWindowByName(name);
}
@@ -1042,7 +1042,7 @@ void GuiReceiver::createWindow(QString name, int flags)
CV_Error(cv::Error::StsNullPtr, "NULL session handler" );
// Check the name in the storage
if (icvFindWindowByName(name.toLatin1().data()))
if (icvFindWindowByName(name))
{
return;
}
@@ -1083,7 +1083,7 @@ void GuiReceiver::showImage(QString name, void* arr)
if (!w) //as observed in the previous implementation (W32, GTK), create a new window is the pointer returned is null
{
cvNamedWindow(name.toLatin1().data());
cvNamedWindow(name.toUtf8().constData());
w = icvFindWindowByName(name);
}