gtkentry.h 7.15 KB
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/* GTK - The GIMP Toolkit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * 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
 * 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
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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, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
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 */
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/*
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 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
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 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
 */

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#ifndef __GTK_ENTRY_H__
#define __GTK_ENTRY_H__


#include <gdk/gdk.h>
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#include <gtk/gtkeditable.h>
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#include <gtk/gtkimcontext.h>
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#include <gtk/gtkmenu.h>
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#include <pango/pango.h>
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#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


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#define GTK_TYPE_ENTRY                  (gtk_entry_get_type ())
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#define GTK_ENTRY(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_ENTRY, GtkEntry))
#define GTK_ENTRY_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_ENTRY, GtkEntryClass))
#define GTK_IS_ENTRY(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_ENTRY))
#define GTK_IS_ENTRY_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_ENTRY))
#define GTK_ENTRY_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_ENTRY, GtkEntryClass))
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typedef struct _GtkEntry       GtkEntry;
typedef struct _GtkEntryClass  GtkEntryClass;

struct _GtkEntry
{
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  GtkWidget  widget;
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  gchar     *text;

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  guint      editable : 1;
  guint      visible  : 1;
  guint      overwrite_mode : 1;
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  guint      in_drag : 1;	/* Dragging within the selection */
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  guint16 text_length;	/* length in use, in chars */
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  guint16 text_max_length;
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  /*< private >*/
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  GdkWindow *text_area;
  GtkIMContext *im_context;
  GtkWidget   *popup_menu;
  
  gint         current_pos;
  gint         selection_bound;
  
  PangoLayout *cached_layout;
  guint        cache_includes_preedit : 1;

  guint        need_im_reset : 1;

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  guint        has_frame : 1;
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  guint        activates_default : 1;
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  guint        cursor_visible : 1;
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  guint        in_click : 1;	/* Flag so we don't select all when clicking in entry to focus in */
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  guint        is_cell_renderer : 1;
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  guint        editing_canceled : 1; /* Only used by GtkCellRendererText */
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  guint        mouse_cursor_obscured : 1;
  
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  guint        select_words : 1;
  guint        select_lines : 1;
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  guint   button;
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  guint   blink_timeout;
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  guint   recompute_idle;
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  gint    scroll_offset;
  gint    ascent;	/* font ascent, in pango units  */
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  gint    descent;	/* font descent, in pango units  */
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  guint16 text_size;	/* allocated size, in bytes */
  guint16 n_bytes;	/* length in use, in bytes */

  guint16 preedit_length;	/* length of preedit string, in bytes */
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  guint16 preedit_cursor;	/* offset of cursor within preedit string, in chars */
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  gint dnd_position;		/* In chars, -1 == no DND cursor */

  gint drag_start_x;
  gint drag_start_y;
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  gunichar invisible_char;
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  gint width_chars;
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};

struct _GtkEntryClass
{
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  GtkWidgetClass parent_class;

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  /* Hook to customize right-click popup */
  void (* populate_popup)   (GtkEntry       *entry,
                             GtkMenu        *menu);
  
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  /* Action signals
   */
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  void (* activate)           (GtkEntry       *entry);
  void (* move_cursor)        (GtkEntry       *entry,
			       GtkMovementStep step,
			       gint            count,
			       gboolean        extend_selection);
  void (* insert_at_cursor)   (GtkEntry       *entry,
			       const gchar    *str);
  void (* delete_from_cursor) (GtkEntry       *entry,
			       GtkDeleteType   type,
			       gint            count);
  void (* cut_clipboard)      (GtkEntry       *entry);
  void (* copy_clipboard)     (GtkEntry       *entry);
  void (* paste_clipboard)    (GtkEntry       *entry);
  void (* toggle_overwrite)   (GtkEntry       *entry);
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  /* Padding for future expansion */
  void (*_gtk_reserved1) (void);
  void (*_gtk_reserved2) (void);
  void (*_gtk_reserved3) (void);
  void (*_gtk_reserved4) (void);
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};

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GType      gtk_entry_get_type       		(void) G_GNUC_CONST;
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GtkWidget* gtk_entry_new            		(void);
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void       gtk_entry_set_visibility 		(GtkEntry      *entry,
						 gboolean       visible);
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gboolean   gtk_entry_get_visibility             (GtkEntry      *entry);
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void       gtk_entry_set_invisible_char         (GtkEntry      *entry,
                                                 gunichar       ch);
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gunichar   gtk_entry_get_invisible_char         (GtkEntry      *entry);
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void       gtk_entry_set_has_frame              (GtkEntry      *entry,
                                                 gboolean       setting);
gboolean   gtk_entry_get_has_frame              (GtkEntry      *entry);
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/* text is truncated if needed */
void       gtk_entry_set_max_length 		(GtkEntry      *entry,
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						 gint           max);
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gint       gtk_entry_get_max_length             (GtkEntry      *entry);
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void       gtk_entry_set_activates_default      (GtkEntry      *entry,
                                                 gboolean       setting);
gboolean   gtk_entry_get_activates_default      (GtkEntry      *entry);
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void       gtk_entry_set_width_chars            (GtkEntry      *entry,
                                                 gint           n_chars);
gint       gtk_entry_get_width_chars            (GtkEntry      *entry);

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/* Somewhat more convenient than the GtkEditable generic functions
 */
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void                  gtk_entry_set_text        (GtkEntry      *entry,
                                                 const gchar   *text);
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/* returns a reference to the text */
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G_CONST_RETURN gchar* gtk_entry_get_text        (GtkEntry      *entry);
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PangoLayout* gtk_entry_get_layout               (GtkEntry      *entry);
void         gtk_entry_get_layout_offsets       (GtkEntry      *entry,
                                                 gint          *x,
                                                 gint          *y);

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/* Deprecated compatibility functions
 */
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#ifndef GTK_DISABLE_DEPRECATED
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GtkWidget* gtk_entry_new_with_max_length	(gint           max);
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void       gtk_entry_append_text    		(GtkEntry      *entry,
						 const gchar   *text);
void       gtk_entry_prepend_text   		(GtkEntry      *entry,
						 const gchar   *text);
void       gtk_entry_set_position   		(GtkEntry      *entry,
						 gint           position);
void       gtk_entry_select_region  		(GtkEntry      *entry,
						 gint           start,
						 gint           end);
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void       gtk_entry_set_editable   		(GtkEntry      *entry,
						 gboolean       editable);
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#endif /* GTK_DISABLE_DEPRECATED */
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#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_ENTRY_H__ */