1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * GtkFontSelection widget for Gtk+, by Damon Chaplin, May 1998.
5 * Based on the GnomeFontSelector widget, by Elliot Lee, but major changes.
6 * The GnomeFontSelector was derived from app/text_tool.c in the GIMP.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
25 * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
26 * file for a list of people on the GTK+ Team. See the ChangeLog
27 * files for a list of changes. These files are distributed with
28 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
31 #ifndef __GTK_FONTSEL_H__
32 #define __GTK_FONTSEL_H__
36 #include <gtk/gtkwindow.h>
37 #include <gtk/gtknotebook.h>
42 #endif /* __cplusplus */
44 #define GTK_TYPE_FONT_SELECTION (gtk_font_selection_get_type ())
45 #define GTK_FONT_SELECTION(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_FONT_SELECTION, GtkFontSelection))
46 #define GTK_FONT_SELECTION_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_FONT_SELECTION, GtkFontSelectionClass))
47 #define GTK_IS_FONT_SELECTION(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_FONT_SELECTION))
48 #define GTK_IS_FONT_SELECTION_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FONT_SELECTION))
49 #define GTK_FONT_SELECTION_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_FONT_SELECTION, GtkFontSelectionClass))
52 #define GTK_TYPE_FONT_SELECTION_DIALOG (gtk_font_selection_dialog_get_type ())
53 #define GTK_FONT_SELECTION_DIALOG(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_FONT_SELECTION_DIALOG, GtkFontSelectionDialog))
54 #define GTK_FONT_SELECTION_DIALOG_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_FONT_SELECTION_DIALOG, GtkFontSelectionDialogClass))
55 #define GTK_IS_FONT_SELECTION_DIALOG(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_FONT_SELECTION_DIALOG))
56 #define GTK_IS_FONT_SELECTION_DIALOG_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FONT_SELECTION_DIALOG))
57 #define GTK_FONT_SELECTION_DIALOG_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_FONT_SELECTION_DIALOG, GtkFontSelectionDialogClass))
60 typedef struct _GtkFontSelection GtkFontSelection;
61 typedef struct _GtkFontSelectionClass GtkFontSelectionClass;
63 typedef struct _GtkFontSelectionDialog GtkFontSelectionDialog;
64 typedef struct _GtkFontSelectionDialogClass GtkFontSelectionDialogClass;
69 /* This is the number of properties which we keep in the properties array,
70 i.e. Weight, Slant, Set Width, Spacing, Charset & Foundry. */
71 #define GTK_NUM_FONT_PROPERTIES 6
73 /* This is the number of properties each style has i.e. Weight, Slant,
74 Set Width, Spacing & Charset. Note that Foundry is not included,
75 since it is the same for all styles of the same FontInfo. */
76 #define GTK_NUM_STYLE_PROPERTIES 5
79 /* Used to determine whether we are using point or pixel sizes. */
82 GTK_FONT_METRIC_PIXELS,
83 GTK_FONT_METRIC_POINTS
86 /* Used for determining the type of a font style, and also for setting filters.
87 These can be combined if a style has bitmaps and scalable fonts available.*/
90 GTK_FONT_BITMAP = 1 << 0,
91 GTK_FONT_SCALABLE = 1 << 1,
92 GTK_FONT_SCALABLE_BITMAP = 1 << 2,
97 /* These are the two types of filter available - base and user. The base
98 filter is set by the application and can't be changed by the user. */
99 #define GTK_NUM_FONT_FILTERS 2
102 GTK_FONT_FILTER_BASE,
106 /* These hold the arrays of current filter settings for each property.
107 If nfilters is 0 then all values of the property are OK. If not the
108 filters array contains the indexes of the valid property values. */
109 typedef struct _GtkFontFilter GtkFontFilter;
110 struct _GtkFontFilter
113 guint16 *property_filters[GTK_NUM_FONT_PROPERTIES];
114 guint16 property_nfilters[GTK_NUM_FONT_PROPERTIES];
118 struct _GtkFontSelection
120 GtkNotebook notebook;
122 /* These are on the font page. */
123 GtkWidget *main_vbox;
124 GtkWidget *font_label;
125 GtkWidget *font_entry;
126 GtkWidget *font_clist;
127 GtkWidget *font_style_entry;
128 GtkWidget *font_style_clist;
129 GtkWidget *size_entry;
130 GtkWidget *size_clist;
131 GtkWidget *pixels_button;
132 GtkWidget *points_button;
133 GtkWidget *filter_button;
134 GtkWidget *preview_entry;
135 GtkWidget *message_label;
137 /* These are on the font info page. */
138 GtkWidget *info_vbox;
139 GtkWidget *info_clist;
140 GtkWidget *requested_font_name;
141 GtkWidget *actual_font_name;
143 /* These are on the filter page. */
144 GtkWidget *filter_vbox;
145 GtkWidget *type_bitmaps_button;
146 GtkWidget *type_scalable_button;
147 GtkWidget *type_scaled_bitmaps_button;
148 GtkWidget *filter_clists[GTK_NUM_FONT_PROPERTIES];
153 GtkFontMetricType metric;
154 /* The size is either in pixels or deci-points, depending on the metric. */
157 /* This is the last size explicitly selected. When the user selects different
158 fonts we try to find the nearest size to this. */
161 /* These are the current property settings. They are indexes into the
162 strings in the GtkFontSelInfo properties array. */
163 guint16 property_values[GTK_NUM_STYLE_PROPERTIES];
165 /* These are the base and user font filters. */
166 GtkFontFilter filters[GTK_NUM_FONT_FILTERS];
170 struct _GtkFontSelectionClass
172 GtkNotebookClass parent_class;
176 struct _GtkFontSelectionDialog
182 GtkWidget *main_vbox;
183 GtkWidget *action_area;
184 GtkWidget *ok_button;
185 /* The 'Apply' button is not shown by default but you can show/hide it. */
186 GtkWidget *apply_button;
187 GtkWidget *cancel_button;
189 /* If the user changes the width of the dialog, we turn auto-shrink off. */
191 gboolean auto_resize;
194 struct _GtkFontSelectionDialogClass
196 GtkWindowClass parent_class;
201 /*****************************************************************************
202 * GtkFontSelection functions.
203 * see the comments in the GtkFontSelectionDialog functions.
204 *****************************************************************************/
206 GtkType gtk_font_selection_get_type (void);
207 GtkWidget* gtk_font_selection_new (void);
208 gchar* gtk_font_selection_get_font_name (GtkFontSelection *fontsel);
209 GdkFont* gtk_font_selection_get_font (GtkFontSelection *fontsel);
210 gboolean gtk_font_selection_set_font_name (GtkFontSelection *fontsel,
211 const gchar *fontname);
212 void gtk_font_selection_set_filter (GtkFontSelection *fontsel,
213 GtkFontFilterType filter_type,
214 GtkFontType font_type,
221 gchar* gtk_font_selection_get_preview_text (GtkFontSelection *fontsel);
222 void gtk_font_selection_set_preview_text (GtkFontSelection *fontsel,
227 /*****************************************************************************
228 * GtkFontSelectionDialog functions.
229 * most of these functions simply call the corresponding function in the
231 *****************************************************************************/
233 GtkType gtk_font_selection_dialog_get_type (void);
234 GtkWidget* gtk_font_selection_dialog_new (const gchar *title);
236 /* This returns the X Logical Font Description fontname, or NULL if no font
237 is selected. Note that there is a slight possibility that the font might not
238 have been loaded OK. You should call gtk_font_selection_dialog_get_font()
239 to see if it has been loaded OK.
240 You should g_free() the returned font name after you're done with it. */
241 gchar* gtk_font_selection_dialog_get_font_name (GtkFontSelectionDialog *fsd);
243 /* This will return the current GdkFont, or NULL if none is selected or there
244 was a problem loading it. Remember to use gdk_font_ref/unref() if you want
245 to use the font (in a style, for example). */
246 GdkFont* gtk_font_selection_dialog_get_font (GtkFontSelectionDialog *fsd);
248 /* This sets the currently displayed font. It should be a valid X Logical
249 Font Description font name (anything else will be ignored), e.g.
250 "-adobe-courier-bold-o-normal--25-*-*-*-*-*-*-*"
251 It returns TRUE on success. */
252 gboolean gtk_font_selection_dialog_set_font_name (GtkFontSelectionDialog *fsd,
253 const gchar *fontname);
255 /* This sets one of the font filters, to limit the fonts shown. The filter_type
256 is GTK_FONT_FILTER_BASE or GTK_FONT_FILTER_USER. The font type is a
257 combination of the bit flags GTK_FONT_BITMAP, GTK_FONT_SCALABLE and
258 GTK_FONT_SCALABLE_BITMAP (or GTK_FONT_ALL for all font types).
259 The foundries, weights etc. are arrays of strings containing property
260 values, e.g. 'bold', 'demibold', and *MUST* finish with a NULL.
261 Standard long names are also accepted, e.g. 'italic' instead of 'i'.
263 e.g. to allow only fixed-width fonts ('char cell' or 'monospaced') to be
266 gchar *spacings[] = { "c", "m", NULL };
267 gtk_font_selection_dialog_set_filter (GTK_FONT_SELECTION_DIALOG (fontsel),
268 GTK_FONT_FILTER_BASE, GTK_FONT_ALL,
269 NULL, NULL, NULL, NULL, spacings, NULL);
271 to allow only true scalable fonts to be selected use:
273 gtk_font_selection_dialog_set_filter (GTK_FONT_SELECTION_DIALOG (fontsel),
274 GTK_FONT_FILTER_BASE, GTK_FONT_SCALABLE,
275 NULL, NULL, NULL, NULL, NULL, NULL);
277 void gtk_font_selection_dialog_set_filter (GtkFontSelectionDialog *fsd,
278 GtkFontFilterType filter_type,
279 GtkFontType font_type,
287 /* This returns the text in the preview entry. You should copy the returned
288 text if you need it. */
289 gchar* gtk_font_selection_dialog_get_preview_text (GtkFontSelectionDialog *fsd);
291 /* This sets the text in the preview entry. It will be copied by the entry,
292 so there's no need to g_strdup() it first. */
293 void gtk_font_selection_dialog_set_preview_text (GtkFontSelectionDialog *fsd,
299 #endif /* __cplusplus */
302 #endif /* __GTK_FONTSEL_H__ */