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GtkEventControllerMotion is an event controller meant for situations where you need to track the position of the pointer.
This object was added in 3.24.
GtkEventController *
gtk_event_controller_motion_new (GtkWidget *widget);
Creates a new event controller that will handle motion events
for the given widget
.
Since: 3.24
“enter” signalvoid user_function (GtkEventControllerMotion *controller, double x, double y, gpointer user_data)
Signals that the pointer has entered the widget.
controller |
The object that received the signal |
|
x |
the x coordinate |
|
y |
the y coordinate |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First
“leave” signalvoid user_function (GtkEventControllerMotion *controller, gpointer user_data)
Signals that pointer has left the widget.
controller |
The object that received the signal |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First
“motion” signalvoid user_function (GtkEventControllerMotion *controller, double x, double y, gpointer user_data)
Emitted when the pointer moves inside the widget.
controller |
The object that received the signal |
|
x |
the x coordinate |
|
y |
the y coordinate |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First