forked from AuroraMiddleware/gtk
4b9aeaf9e3
The Wayland text protocol expects to get both ends of the selection with its surrounding call, so make that available via GtkIMContext. We add this as new api and vfuncs, and fall back, so that existing implementations keep working.
174 lines
7.4 KiB
C
174 lines
7.4 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2000 Red Hat Software
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GTK_IM_CONTEXT_H__
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#define __GTK_IM_CONTEXT_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_IM_CONTEXT (gtk_im_context_get_type ())
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#define GTK_IM_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_IM_CONTEXT, GtkIMContext))
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#define GTK_IM_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_IM_CONTEXT, GtkIMContextClass))
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#define GTK_IS_IM_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_IM_CONTEXT))
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#define GTK_IS_IM_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_IM_CONTEXT))
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#define GTK_IM_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_IM_CONTEXT, GtkIMContextClass))
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typedef struct _GtkIMContext GtkIMContext;
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typedef struct _GtkIMContextClass GtkIMContextClass;
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struct _GtkIMContext
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{
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GObject parent_instance;
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};
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struct _GtkIMContextClass
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{
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/*< private >*/
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GObjectClass parent_class;
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/*< public >*/
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/* Signals */
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void (*preedit_start) (GtkIMContext *context);
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void (*preedit_end) (GtkIMContext *context);
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void (*preedit_changed) (GtkIMContext *context);
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void (*commit) (GtkIMContext *context, const char *str);
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gboolean (*retrieve_surrounding) (GtkIMContext *context);
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gboolean (*delete_surrounding) (GtkIMContext *context,
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int offset,
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int n_chars);
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/* Virtual functions */
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void (*set_client_widget) (GtkIMContext *context,
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GtkWidget *widget);
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void (*get_preedit_string) (GtkIMContext *context,
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char **str,
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PangoAttrList **attrs,
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int *cursor_pos);
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gboolean (*filter_keypress) (GtkIMContext *context,
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GdkEvent *event);
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void (*focus_in) (GtkIMContext *context);
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void (*focus_out) (GtkIMContext *context);
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void (*reset) (GtkIMContext *context);
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void (*set_cursor_location) (GtkIMContext *context,
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GdkRectangle *area);
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void (*set_use_preedit) (GtkIMContext *context,
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gboolean use_preedit);
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void (*set_surrounding) (GtkIMContext *context,
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const char *text,
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int len,
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int cursor_index);
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gboolean (*get_surrounding) (GtkIMContext *context,
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char **text,
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int *cursor_index);
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void (*set_surrounding_with_selection)
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(GtkIMContext *context,
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const char *text,
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int len,
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int cursor_index,
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int anchor_index);
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gboolean (*get_surrounding_with_selection)
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(GtkIMContext *context,
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char **text,
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int *cursor_index,
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int *anchor_index);
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/*< private >*/
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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void (*_gtk_reserved5) (void);
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};
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GDK_AVAILABLE_IN_ALL
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GType gtk_im_context_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_set_client_widget (GtkIMContext *context,
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GtkWidget *widget);
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_get_preedit_string (GtkIMContext *context,
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char **str,
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PangoAttrList **attrs,
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int *cursor_pos);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_im_context_filter_keypress (GtkIMContext *context,
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GdkEvent *event);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_im_context_filter_key (GtkIMContext *context,
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gboolean press,
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GdkSurface *surface,
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GdkDevice *device,
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guint32 time,
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guint keycode,
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GdkModifierType state,
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int group);
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_focus_in (GtkIMContext *context);
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_focus_out (GtkIMContext *context);
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_reset (GtkIMContext *context);
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_set_cursor_location (GtkIMContext *context,
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const GdkRectangle *area);
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_set_use_preedit (GtkIMContext *context,
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gboolean use_preedit);
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GDK_DEPRECATED_IN_4_2_FOR(gtk_im_context_set_surrounding_with_selection)
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void gtk_im_context_set_surrounding (GtkIMContext *context,
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const char *text,
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int len,
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int cursor_index);
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GDK_DEPRECATED_IN_4_2_FOR(gtk_im_context_get_surrounding_with_selection)
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gboolean gtk_im_context_get_surrounding (GtkIMContext *context,
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char **text,
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int *cursor_index);
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GDK_AVAILABLE_IN_ALL
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void gtk_im_context_set_surrounding_with_selection
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(GtkIMContext *context,
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const char *text,
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int len,
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int cursor_index,
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int anchor_index);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_im_context_get_surrounding_with_selection
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(GtkIMContext *context,
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char **text,
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int *cursor_index,
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int *anchor_index);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_im_context_delete_surrounding (GtkIMContext *context,
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int offset,
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int n_chars);
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G_END_DECLS
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#endif /* __GTK_IM_CONTEXT_H__ */
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