Learning_GTK4_tree/gtk/gtkimcontext.h

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2023-12-12 11:36:42 +01:00
/* GTK - The GIMP Toolkit
* Copyright (C) 2000 Red Hat Software
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_IM_CONTEXT (gtk_im_context_get_type ())
#define GTK_IM_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_IM_CONTEXT, GtkIMContext))
#define GTK_IM_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_IM_CONTEXT, GtkIMContextClass))
#define GTK_IS_IM_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_IM_CONTEXT))
#define GTK_IS_IM_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_IM_CONTEXT))
#define GTK_IM_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_IM_CONTEXT, GtkIMContextClass))
typedef struct _GtkIMContext GtkIMContext;
typedef struct _GtkIMContextClass GtkIMContextClass;
struct _GtkIMContext
{
GObject parent_instance;
};
struct _GtkIMContextClass
{
/*< private >*/
GObjectClass parent_class;
/*< public >*/
/* Signals */
void (*preedit_start) (GtkIMContext *context);
void (*preedit_end) (GtkIMContext *context);
void (*preedit_changed) (GtkIMContext *context);
void (*commit) (GtkIMContext *context, const char *str);
gboolean (*retrieve_surrounding) (GtkIMContext *context);
gboolean (*delete_surrounding) (GtkIMContext *context,
int offset,
int n_chars);
/* Virtual functions */
void (*set_client_widget) (GtkIMContext *context,
GtkWidget *widget);
void (*get_preedit_string) (GtkIMContext *context,
char **str,
PangoAttrList **attrs,
int *cursor_pos);
gboolean (*filter_keypress) (GtkIMContext *context,
GdkEvent *event);
void (*focus_in) (GtkIMContext *context);
void (*focus_out) (GtkIMContext *context);
void (*reset) (GtkIMContext *context);
void (*set_cursor_location) (GtkIMContext *context,
GdkRectangle *area);
void (*set_use_preedit) (GtkIMContext *context,
gboolean use_preedit);
void (*set_surrounding) (GtkIMContext *context,
const char *text,
int len,
int cursor_index);
gboolean (*get_surrounding) (GtkIMContext *context,
char **text,
int *cursor_index);
void (*set_surrounding_with_selection)
(GtkIMContext *context,
const char *text,
int len,
int cursor_index,
int anchor_index);
gboolean (*get_surrounding_with_selection)
(GtkIMContext *context,
char **text,
int *cursor_index,
int *anchor_index);
/*< private >*/
void (* activate_osk) (GtkIMContext *context);
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
GDK_AVAILABLE_IN_ALL
GType gtk_im_context_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
void gtk_im_context_set_client_widget (GtkIMContext *context,
GtkWidget *widget);
GDK_AVAILABLE_IN_ALL
void gtk_im_context_get_preedit_string (GtkIMContext *context,
char **str,
PangoAttrList **attrs,
int *cursor_pos);
GDK_AVAILABLE_IN_ALL
gboolean gtk_im_context_filter_keypress (GtkIMContext *context,
GdkEvent *event);
GDK_AVAILABLE_IN_ALL
gboolean gtk_im_context_filter_key (GtkIMContext *context,
gboolean press,
GdkSurface *surface,
GdkDevice *device,
guint32 time,
guint keycode,
GdkModifierType state,
int group);
GDK_AVAILABLE_IN_ALL
void gtk_im_context_focus_in (GtkIMContext *context);
GDK_AVAILABLE_IN_ALL
void gtk_im_context_focus_out (GtkIMContext *context);
GDK_AVAILABLE_IN_ALL
void gtk_im_context_reset (GtkIMContext *context);
GDK_AVAILABLE_IN_ALL
void gtk_im_context_set_cursor_location (GtkIMContext *context,
const GdkRectangle *area);
GDK_AVAILABLE_IN_ALL
void gtk_im_context_set_use_preedit (GtkIMContext *context,
gboolean use_preedit);
GDK_DEPRECATED_IN_4_2_FOR(gtk_im_context_set_surrounding_with_selection)
void gtk_im_context_set_surrounding (GtkIMContext *context,
const char *text,
int len,
int cursor_index);
GDK_DEPRECATED_IN_4_2_FOR(gtk_im_context_get_surrounding_with_selection)
gboolean gtk_im_context_get_surrounding (GtkIMContext *context,
char **text,
int *cursor_index);
GDK_AVAILABLE_IN_4_2
void gtk_im_context_set_surrounding_with_selection
(GtkIMContext *context,
const char *text,
int len,
int cursor_index,
int anchor_index);
GDK_AVAILABLE_IN_4_2
gboolean gtk_im_context_get_surrounding_with_selection
(GtkIMContext *context,
char **text,
int *cursor_index,
int *anchor_index);
GDK_AVAILABLE_IN_ALL
gboolean gtk_im_context_delete_surrounding (GtkIMContext *context,
int offset,
int n_chars);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkIMContext, g_object_unref)
G_END_DECLS