1 /* GTK - The GIMP Toolkit
2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free
16  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
17  */
18 
19 /*
20  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
21  * file for a list of people on the GTK+ Team.  See the ChangeLog
22  * files for a list of changes.  These files are distributed with
23  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
24  */
25 
26 #ifndef __EEL_EDITABLE_LABEL_H__
27 #define __EEL_EDITABLE_LABEL_H__
28 
29 
30 #include <gdk/gdk.h>
31 #include <gtk/gtk.h>
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif /* __cplusplus */
36 
37 #define EEL_TYPE_EDITABLE_LABEL eel_editable_label_get_type()
38 #define EEL_EDITABLE_LABEL(obj) \
39   (G_TYPE_CHECK_INSTANCE_CAST ((obj), EEL_TYPE_EDITABLE_LABEL, EelEditableLabel))
40 #define EEL_EDITABLE_LABEL_CLASS(klass) \
41   (G_TYPE_CHECK_CLASS_CAST ((klass), EEL_TYPE_EDITABLE_LABEL, EelEditableLabelClass))
42 #define EEL_IS_EDITABLE_LABEL(obj) \
43   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EEL_TYPE_EDITABLE_LABEL))
44 #define EEL_IS_EDITABLE_LABEL_CLASS(klass) \
45   (G_TYPE_CHECK_CLASS_TYPE ((klass), EEL_TYPE_EDITABLE_LABEL))
46 #define EEL_EDITABLE_LABEL_GET_CLASS(obj) \
47   (G_TYPE_INSTANCE_GET_CLASS ((obj), EEL_TYPE_EDITABLE_LABEL, EelEditableLabelClass))
48 
49     typedef struct _EelEditableLabel       EelEditableLabel;
50     typedef struct _EelEditableLabelClass  EelEditableLabelClass;
51 
52     typedef struct _EelEditableLabelSelectionInfo EelEditableLabelSelectionInfo;
53 
54     struct _EelEditableLabel
55     {
56         GtkWidget widget;
57 
58         /*< private >*/
59         guint   jtype : 2;
60         guint   wrap : 1;
61         guint   overwrite_mode : 1;
62         guint   draw_outline : 1;
63         PangoWrapMode  wrap_mode;
64 
65         gchar  *text;
66         int text_size; /* allocated size, in bytes */
67         int n_bytes;	 /* length in use (not including terminating zero), in bytes */
68 
69         PangoLayout *layout;
70         guint        layout_includes_preedit : 1;
71 
72         int selection_anchor; /* cursor pos, byte index */
73         int selection_end; /* byte index */
74 
75         GtkWidget *popup_menu;
76 
77         GtkIMContext *im_context;
78         gboolean need_im_reset;
79         int preedit_length;	/* length of preedit string, in bytes */
80         int preedit_cursor;	/* offset of cursor within preedit string, in chars */
81 
82         PangoFontDescription *font_desc;
83     };
84 
85     struct _EelEditableLabelClass
86     {
87         GtkWidgetClass parent_class;
88 
89 
90         void (* move_cursor)        (EelEditableLabel  *label,
91                                      GtkMovementStep    step,
92                                      gint               count,
93                                      gboolean           extend_selection);
94         void (* insert_at_cursor)   (EelEditableLabel  *label,
95                                      const gchar       *str);
96         void (* delete_from_cursor) (EelEditableLabel  *label,
97                                      GtkDeleteType      type,
98                                      gint               count);
99         void (* cut_clipboard)      (EelEditableLabel  *label);
100         void (* copy_clipboard)     (EelEditableLabel  *label);
101         void (* paste_clipboard)    (EelEditableLabel  *label);
102         void (* toggle_overwrite)   (EelEditableLabel  *label);
103 
104         /* Hook to customize right-click popup for selectable labels */
105         void (* populate_popup)   (EelEditableLabel  *label,
106                                    GtkMenu           *menu);
107     };
108 
109     GType                 eel_editable_label_get_type          (void) G_GNUC_CONST;
110     GtkWidget*            eel_editable_label_new                  (const char       *str);
111     void                  eel_editable_label_set_text             (EelEditableLabel *label,
112             const char       *str);
113     const gchar* eel_editable_label_get_text(EelEditableLabel* label);
114     void                  eel_editable_label_set_justify          (EelEditableLabel *label,
115             GtkJustification  jtype);
116     GtkJustification      eel_editable_label_get_justify          (EelEditableLabel *label);
117     void                  eel_editable_label_set_line_wrap        (EelEditableLabel *label,
118             gboolean          wrap);
119     void                  eel_editable_label_set_line_wrap_mode   (EelEditableLabel *label,
120             PangoWrapMode     mode);
121     gboolean              eel_editable_label_get_line_wrap        (EelEditableLabel *label);
122     void                  eel_editable_label_set_draw_outline     (EelEditableLabel *label,
123             gboolean          wrap);
124     void                  eel_editable_label_select_region        (EelEditableLabel *label,
125             gint              start_offset,
126             gint              end_offset);
127     gboolean              eel_editable_label_get_selection_bounds (EelEditableLabel *label,
128             gint             *start,
129             gint             *end);
130     PangoLayout *         eel_editable_label_get_layout           (EelEditableLabel *label);
131     void                  eel_editable_label_get_layout_offsets   (EelEditableLabel *label,
132             gint             *x,
133             gint             *y);
134     PangoFontDescription *eel_editable_label_get_font_description (EelEditableLabel *label);
135     void                  eel_editable_label_set_font_description (EelEditableLabel *label,
136             const PangoFontDescription *desc);
137 
138 #ifdef __cplusplus
139 }
140 #endif /* __cplusplus */
141 
142 
143 #endif /* __EEL_EDITABLE_LABEL_H__ */
144