GtkGestureStylus

GtkGestureStylus — Gesture for stylus input

Signals

Types and Values

Object Hierarchy

    GObject
    ╰── GtkEventController
        ╰── GtkGesture
            ╰── GtkGestureSingle
                ╰── GtkGestureStylus

Includes

#include <gtk/gtkunixprint.h>

Description

GtkGestureStylus is a GtkGesture implementation specific to stylus input. The provided signals just provide the basic information

Functions

gtk_gesture_stylus_new ()

GtkGesture *
gtk_gesture_stylus_new (GtkWidget *widget);

Creates a new GtkGestureStylus.

Parameters

widget

a GtkWidget

 

Returns

a newly created stylus gesture

Since: 3.24


gtk_gesture_stylus_get_axis ()

gboolean
gtk_gesture_stylus_get_axis (GtkGestureStylus *gesture,
                             GdkAxisUse axis,
                             gdouble *value);

Returns the current value for the requested axis . This function must be called from either the “down”, “motion”, “up” or “proximity” signals.

Parameters

gesture

a GtkGestureStylus

 

axis

requested device axis

 

value

return location for the axis value.

[out]

Returns

TRUE if there is a current value for the axis

Since: 3.24


gtk_gesture_stylus_get_axes ()

gboolean
gtk_gesture_stylus_get_axes (GtkGestureStylus *gesture,
                             GdkAxisUse axes[],
                             gdouble **values);

Returns the current values for the requested axes . This function must be called from either the “down”, “motion”, “up” or “proximity” signals.

Parameters

gesture

a GtkGestureStylus

 

axes

array of requested axes, terminated with GDK_AXIS_IGNORE.

[array]

values

return location for the axis values.

[out][array]

Returns

TRUE if there is a current value for the axes

Since: 3.24


gtk_gesture_stylus_get_device_tool ()

GdkDeviceTool *
gtk_gesture_stylus_get_device_tool (GtkGestureStylus *gesture);

Returns the GdkDeviceTool currently driving input through this gesture. This function must be called from either the “down”, “motion”, “up” or “proximity” signal handlers.

Parameters

gesture

a GtkGestureStylus

 

Returns

The current stylus tool.

[nullable][transfer none]

Since: 3.24

Types and Values

GtkGestureStylus

typedef struct _GtkGestureStylus GtkGestureStylus;

Signal Details

The “down” signal

void
user_function (GtkGestureStylus *gesturestylus,
               gdouble           arg1,
               gdouble           arg2,
               gpointer          user_data)

Flags: Run Last


The “motion” signal

void
user_function (GtkGestureStylus *gesturestylus,
               gdouble           arg1,
               gdouble           arg2,
               gpointer          user_data)

Flags: Run Last


The “proximity” signal

void
user_function (GtkGestureStylus *gesturestylus,
               gdouble           arg1,
               gdouble           arg2,
               gpointer          user_data)

Flags: Run Last


The “up” signal

void
user_function (GtkGestureStylus *gesturestylus,
               gdouble           arg1,
               gdouble           arg2,
               gpointer          user_data)

Flags: Run Last