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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* GtkFontSelection widget for Gtk+, by Damon Chaplin, May 1998.
* Based on the GnomeFontSelector widget, by Elliot Lee, but major changes.
* The GnomeFontSelector was derived from app/text_tool.c in the GIMP.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
* 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/.
*/
#ifndef __GTK_FONTSEL_H__
#define __GTK_FONTSEL_H__
#include <gdk/gdk.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtknotebook.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GTK_TYPE_FONT_SELECTION (gtk_font_selection_get_type ())
#define GTK_FONT_SELECTION(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_FONT_SELECTION, GtkFontSelection))
#define GTK_FONT_SELECTION_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_FONT_SELECTION, GtkFontSelectionClass))
#define GTK_IS_FONT_SELECTION(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_FONT_SELECTION))
#define GTK_IS_FONT_SELECTION_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FONT_SELECTION))
#define GTK_TYPE_FONT_SELECTION_DIALOG (gtk_font_selection_dialog_get_type ())
#define GTK_FONT_SELECTION_DIALOG(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_FONT_SELECTION_DIALOG, GtkFontSelectionDialog))
#define GTK_FONT_SELECTION_DIALOG_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_FONT_SELECTION_DIALOG, GtkFontSelectionDialogClass))
#define GTK_IS_FONT_SELECTION_DIALOG(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_FONT_SELECTION_DIALOG))
#define GTK_IS_FONT_SELECTION_DIALOG_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FONT_SELECTION_DIALOG))
typedef struct _GtkFontSelection GtkFontSelection;
typedef struct _GtkFontSelectionClass GtkFontSelectionClass;
typedef struct _GtkFontSelectionDialog GtkFontSelectionDialog;
typedef struct _GtkFontSelectionDialogClass GtkFontSelectionDialogClass;
/* This is the number of properties which we keep in the properties array,
i.e. Weight, Slant, Set Width, Spacing, Charset & Foundry. */
#define GTK_NUM_FONT_PROPERTIES 6
/* This is the number of properties each style has i.e. Weight, Slant,
Set Width, Spacing & Charset. Note that Foundry is not included,
since it is the same for all styles of the same FontInfo. */
#define GTK_NUM_STYLE_PROPERTIES 5
/* Used to determine whether we are using point or pixel sizes. */
typedef enum
{
GTK_FONT_METRIC_PIXELS,
GTK_FONT_METRIC_POINTS
} GtkFontMetricType;
/* Used for determining the type of a font style, and also for setting filters.
These can be combined if a style has bitmaps and scalable fonts available.*/
typedef enum
{
GTK_FONT_BITMAP = 1 << 0,
GTK_FONT_SCALABLE = 1 << 1,
GTK_FONT_SCALABLE_BITMAP = 1 << 2,
GTK_FONT_ALL = 0x07
} GtkFontType;
/* These are the two types of filter available - base and user. The base
filter is set by the application and can't be changed by the user. */
#define GTK_NUM_FONT_FILTERS 2
typedef enum
{
GTK_FONT_FILTER_BASE,
GTK_FONT_FILTER_USER
} GtkFontFilterType;
/* These hold the arrays of current filter settings for each property.
If nfilters is 0 then all values of the property are OK. If not the
filters array contains the indexes of the valid property values. */
typedef struct _GtkFontFilter GtkFontFilter;
struct _GtkFontFilter
{
gint font_type;
guint16 *property_filters[GTK_NUM_FONT_PROPERTIES];
guint16 property_nfilters[GTK_NUM_FONT_PROPERTIES];
};
struct _GtkFontSelection
{
GtkNotebook notebook;
/* These are on the font page. */
GtkWidget *main_vbox;
GtkWidget *font_label;
GtkWidget *font_entry;
GtkWidget *font_clist;
GtkWidget *font_style_entry;
GtkWidget *font_style_clist;
GtkWidget *size_entry;
GtkWidget *size_clist;
GtkWidget *pixels_button;
GtkWidget *points_button;
GtkWidget *filter_button;
GtkWidget *preview_entry;
GtkWidget *message_label;
/* These are on the font info page. */
GtkWidget *info_vbox;
GtkWidget *info_clist;
GtkWidget *requested_font_name;
GtkWidget *actual_font_name;
/* These are on the filter page. */
GtkWidget *filter_vbox;
GtkWidget *type_bitmaps_button;
GtkWidget *type_scalable_button;
GtkWidget *type_scaled_bitmaps_button;
GtkWidget *filter_clists[GTK_NUM_FONT_PROPERTIES];
GdkFont *font;
gint font_index;
gint style;
GtkFontMetricType metric;
/* The size is either in pixels or deci-points, depending on the metric. */
gint size;
/* This is the last size explicitly selected. When the user selects different
fonts we try to find the nearest size to this. */
gint selected_size;
/* These are the current property settings. They are indexes into the
strings in the GtkFontSelInfo properties array. */
guint16 property_values[GTK_NUM_STYLE_PROPERTIES];
/* These are the base and user font filters. */
GtkFontFilter filters[GTK_NUM_FONT_FILTERS];
};
struct _GtkFontSelectionClass
{
GtkNotebookClass parent_class;
};
struct _GtkFontSelectionDialog
{
GtkWindow window;
GtkWidget *fontsel;
GtkWidget *main_vbox;
GtkWidget *action_area;
GtkWidget *ok_button;
/* The 'Apply' button is not shown by default but you can show/hide it. */
GtkWidget *apply_button;
GtkWidget *cancel_button;
/* If the user changes the width of the dialog, we turn auto-shrink off. */
gint dialog_width;
gboolean auto_resize;
};
struct _GtkFontSelectionDialogClass
{
GtkWindowClass parent_class;
};
/*****************************************************************************
* GtkFontSelection functions.
* see the comments in the GtkFontSelectionDialog functions.
*****************************************************************************/
GtkType gtk_font_selection_get_type (void);
GtkWidget* gtk_font_selection_new (void);
gchar* gtk_font_selection_get_font_name (GtkFontSelection *fontsel);
GdkFont* gtk_font_selection_get_font (GtkFontSelection *fontsel);
gboolean gtk_font_selection_set_font_name (GtkFontSelection *fontsel,
const gchar *fontname);
void gtk_font_selection_set_filter (GtkFontSelection *fontsel,
GtkFontFilterType filter_type,
GtkFontType font_type,
gchar **foundries,
gchar **weights,
gchar **slants,
gchar **setwidths,
gchar **spacings,
gchar **charsets);
gchar* gtk_font_selection_get_preview_text (GtkFontSelection *fontsel);
void gtk_font_selection_set_preview_text (GtkFontSelection *fontsel,
const gchar *text);
/*****************************************************************************
* GtkFontSelectionDialog functions.
* most of these functions simply call the corresponding function in the
* GtkFontSelection.
*****************************************************************************/
GtkType gtk_font_selection_dialog_get_type (void);
GtkWidget* gtk_font_selection_dialog_new (const gchar *title);
/* This returns the X Logical Font Description fontname, or NULL if no font
is selected. Note that there is a slight possibility that the font might not
have been loaded OK. You should call gtk_font_selection_dialog_get_font()
to see if it has been loaded OK.
You should g_free() the returned font name after you're done with it. */
gchar* gtk_font_selection_dialog_get_font_name (GtkFontSelectionDialog *fsd);
/* This will return the current GdkFont, or NULL if none is selected or there
was a problem loading it. Remember to use gdk_font_ref/unref() if you want
to use the font (in a style, for example). */
GdkFont* gtk_font_selection_dialog_get_font (GtkFontSelectionDialog *fsd);
/* This sets the currently displayed font. It should be a valid X Logical
Font Description font name (anything else will be ignored), e.g.
"-adobe-courier-bold-o-normal--25-*-*-*-*-*-*-*"
It returns TRUE on success. */
gboolean gtk_font_selection_dialog_set_font_name (GtkFontSelectionDialog *fsd,
const gchar *fontname);
/* This sets one of the font filters, to limit the fonts shown. The filter_type
is GTK_FONT_FILTER_BASE or GTK_FONT_FILTER_USER. The font type is a
combination of the bit flags GTK_FONT_BITMAP, GTK_FONT_SCALABLE and
GTK_FONT_SCALABLE_BITMAP (or GTK_FONT_ALL for all font types).
The foundries, weights etc. are arrays of strings containing property
values, e.g. 'bold', 'demibold', and *MUST* finish with a NULL.
Standard long names are also accepted, e.g. 'italic' instead of 'i'.
e.g. to allow only fixed-width fonts ('char cell' or 'monospaced') to be
selected use:
gchar *spacings[] = { "c", "m", NULL };
gtk_font_selection_dialog_set_filter (GTK_FONT_SELECTION_DIALOG (fontsel),
GTK_FONT_FILTER_BASE, GTK_FONT_ALL,
NULL, NULL, NULL, NULL, spacings, NULL);
to allow only true scalable fonts to be selected use:
gtk_font_selection_dialog_set_filter (GTK_FONT_SELECTION_DIALOG (fontsel),
GTK_FONT_FILTER_BASE, GTK_FONT_SCALABLE,
NULL, NULL, NULL, NULL, NULL, NULL);
*/
void gtk_font_selection_dialog_set_filter (GtkFontSelectionDialog *fsd,
GtkFontFilterType filter_type,
GtkFontType font_type,
gchar **foundries,
gchar **weights,
gchar **slants,
gchar **setwidths,
gchar **spacings,
gchar **charsets);
/* This returns the text in the preview entry. You should copy the returned
text if you need it. */
gchar* gtk_font_selection_dialog_get_preview_text (GtkFontSelectionDialog *fsd);
/* This sets the text in the preview entry. It will be copied by the entry,
so there's no need to g_strdup() it first. */
void gtk_font_selection_dialog_set_preview_text (GtkFontSelectionDialog *fsd,
const gchar *text);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GTK_FONTSEL_H__ */
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