| Top |  |
 |
 |
 |
Description
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.
Functions
gtk_event_controller_motion_new ()
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
Signal Details
The “enter” signal
void user_function (GtkEventControllerMotion *controller, double x, double y, gpointer user_data)
Signals that the pointer has entered the widget.
Parameters
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
The “leave” signal
void user_function (GtkEventControllerMotion *controller, gpointer user_data)
Signals that pointer has left the widget.
Parameters
controller |
The object that received the signal |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run First
The “motion” signal
void user_function (GtkEventControllerMotion *controller, double x, double y, gpointer user_data)
Emitted when the pointer moves inside the widget.
Parameters
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