If you have any problems with the registration process or your account login, please contact us. Registration is fast, simple and absolutely free so please, join our community today! By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. If you are looking for information about Qt related issue - register and post your question. Over 90 percent of questions asked here gets answered. Qt Centre is a community site devoted to programming in C++ using the Qt framework. Select the forum that you want to visit from the selection below. Qt Designer, Signal and slots for own methodsīefore you can post: click the register link above to proceed.The above steps are for linux but can easily be followed on other systems by replacing make with the correct make call for the system. To handle the button connect its appropriate signal to a slot: QPushButton emits signals if an event occurs.

If you want just to modify the size of the button use resize() Handle Button To set the position and the size of the button use setGeometry(). After creation the icon can be changed using setIcon() To get the current icon of the button use icon() Set Position and Size The icon of QPushButton can also be set upon creation. To get the current text of the button use text(). The text of QPushButton can be set upon creation or using setText().

void customContextMenuRequested(const QPoint &pos).

MainWindow::updateStreamerUI must take its arguments exactly as Streamer::processedImageStream takes them. Although these two signatures are compatible in some sense in pure c++, the Qt signal/slot mechanism won't like the difference.

QPushButton inherits QAbstractButton which in turn inherits QWidget. Your signal is taking a const vector<>&, but the slot takes a vector<>. qt visual studio signal slot

In general the button displays text but an icon can also be displayed. This class is easy to use and customize so it is among the most useful classes in Qt. Using QPushButton developers can create and handle buttons.

Qt visual studio signal slot