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Fix a bug that impede to set the trackbar pos using the Qt control panel

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This commit is contained in:
Luis Díaz Más 2015-03-19 21:25:10 +01:00
parent 69344f175b
commit 7711cd284b
1 changed files with 3 additions and 2 deletions
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5
modules/highgui/src/window_QT.cpp
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@ -406,13 +406,14 @@ static CvBar* icvFindBarByName(QBoxLayout* layout, QString name_bar, typeBar typ
static CvTrackbar* icvFindTrackBarByName(const char* name_trackbar, const char* name_window, QBoxLayout* layout = NULL)
{
QString nameQt(name_trackbar);
QString nameWinQt(name_window);
if (!name_window && global_control_panel) //window name is null and we have a control panel
if (nameWinQt.isEmpty() && global_control_panel) //window name is null and we have a control panel
layout = global_control_panel->myLayout;
if (!layout)
{
QPointer<CvWindow> w = icvFindWindowByName(QLatin1String(name_window));
QPointer<CvWindow> w = icvFindWindowByName(nameWinQt);
if (!w)
CV_Error(CV_StsNullPtr, "NULL window handler");