GtkEventControllerKey
GtkEventControllerKey — Event controller for key events
Functions
Signals
| void | focus-in | Run Last |
| void | focus-out | Run Last |
| void | im-update | Run Last |
| gboolean | key-pressed | Run Last |
| void | key-released | Run Last |
| gboolean | modifiers | Run Last |
Types and Values
Object Hierarchy
GObject
╰── GtkEventController
╰── GtkEventControllerKey
Includes
#include <gtk/gtk.h>
Description
GtkEventControllerKey is an event controller meant for situations where you need access to key events.
This object was added in 3.24.
Functions
gtk_event_controller_key_new ()
GtkEventController *
gtk_event_controller_key_new (GtkWidget *widget);
Types and Values
GtkEventControllerKey
typedef struct _GtkEventControllerKey GtkEventControllerKey;Signal Details
The “focus-in” signal
void
user_function (GtkEventControllerKey *eventcontrollerkey,
gpointer user_data)Flags: Run Last
The “focus-out” signal
void
user_function (GtkEventControllerKey *eventcontrollerkey,
gpointer user_data)Flags: Run Last
The “im-update” signal
void
user_function (GtkEventControllerKey *eventcontrollerkey,
gpointer user_data)Flags: Run Last
The “key-pressed” signal
gboolean
user_function (GtkEventControllerKey *controller,
guint keyval,
guint keycode,
GdkModifierType state,
gpointer user_data)This signal is emitted whenever a key is pressed.
Parameters
controller |
the object which received the signal. |
|
keyval |
the pressed key. |
|
keycode |
the raw code of the pressed key. |
|
state |
the bitmask, representing the state of modifier keys and pointer buttons. See GdkModifierType. |
|
user_data |
user data set when the signal handler was connected. |
Returns
TRUE if the key press was handled, FALSE otherwise.
Flags: Run Last
Since: 3.24
The “key-released” signal
void
user_function (GtkEventControllerKey *controller,
guint keyval,
guint keycode,
GdkModifierType state,
gpointer user_data)This signal is emitted whenever a key is released.
Parameters
controller |
the object which received the signal. |
|
keyval |
the released key. |
|
keycode |
the raw code of the released key. |
|
state |
the bitmask, representing the state of modifier keys and pointer buttons. See GdkModifierType. |
|
user_data |
user data set when the signal handler was connected. |
Flags: Run Last
Since: 3.24
The “modifiers” signal
gboolean
user_function (GtkEventControllerKey *eventcontrollerkey,
GdkModifierType arg1,
gpointer user_data)Flags: Run Last
See Also
© 2005–2020 The GNOME Project
Licensed under the GNU Lesser General Public License version 2.1 or later.
https://developer.gnome.org/gtk3/3.24/GtkEventControllerKey.html