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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__ */
-