All Questions
6 questions
18
votes
1
answer
10k
views
Qt MouseMoveEvent only triggers with a mouse button press
I have an odd problem here.
I'm working on an application, and within one of my classes I'm monitoring my mouse events.
The weird thing is, my mouse move event will only get called if any mouse ...
0
votes
1
answer
156
views
An issue when rendering a line depending on Mouse position
I have an openGL widget, where I want to render a line which is dependent of mouse positions, as follows:
glPushMatrix();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, ...
1
vote
1
answer
29k
views
Mouse events in Qt
I have 3 events defined as follows:
void mouseMoveEvent(QMouseEvent *eventMove);
void mousePressEvent(QMouseEvent *eventPress);
void mouseReleaseEvent(QMouseEvent *releaseEvent);
Now, let's say I ...
3
votes
1
answer
7k
views
Getting mouse coordinates Qt OpenGL
I have an openGL widget and know that I can get the coordinates of my mouse as follows:
X = this->mapFromGlobal(QCursor::pos()).x();
Y = this->mapFromGlobal(QCursor::pos()).y();
Lets imagine ...
0
votes
2
answers
1k
views
Following a QWidget while moving
I am trying to make a QWidget follow another one while this is moving.
In particular, I have a QMainWindow with a button. This button shows a QWidget, the "follower". Now I'd like the follower to ...
1
vote
1
answer
6k
views
Qt: MouseMove not functioning
In my Qt application, I need to track mouse movement. For that, I created an eventfilter and I installed it correctly as this:
bool iArmMainWindow::eventFilter(QObject *obj, QEvent *event)
{
if (...