forked from AuroraMiddleware/gtk
167 lines
7.2 KiB
C
167 lines
7.2 KiB
C
/* GTK - The GIMP Toolkit
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* gtkfontchooser.h - Abstract interface for font file selectors GUIs
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*
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* Copyright (C) 2006, Emmanuele Bassi
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* Copyright (C) 2011 Alberto Ruiz <aruiz@gnome.org>
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*
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* 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
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GTK_FONT_CHOOSER_H__
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#define __GTK_FONT_CHOOSER_H__
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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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/**
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* GtkFontFilterFunc:
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* @family: a `PangoFontFamily`
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* @face: a `PangoFontFace` belonging to @family
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* @data: (closure): user data passed to gtk_font_chooser_set_filter_func()
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*
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* The type of function that is used for deciding what fonts get
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* shown in a `GtkFontChooser`.
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*
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* See [method@Gtk.FontChooser.set_filter_func].
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*
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* Returns: %TRUE if the font should be displayed
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*/
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typedef gboolean (*GtkFontFilterFunc) (const PangoFontFamily *family,
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const PangoFontFace *face,
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gpointer data);
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/**
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* GtkFontChooserLevel:
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* @GTK_FONT_CHOOSER_LEVEL_FAMILY: Allow selecting a font family
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* @GTK_FONT_CHOOSER_LEVEL_STYLE: Allow selecting a specific font face
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* @GTK_FONT_CHOOSER_LEVEL_SIZE: Allow selecting a specific font size
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* @GTK_FONT_CHOOSER_LEVEL_VARIATIONS: Allow changing OpenType font variation axes
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* @GTK_FONT_CHOOSER_LEVEL_FEATURES: Allow selecting specific OpenType font features
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*
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* Specifies the granularity of font selection
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* that is desired in a `GtkFontChooser`.
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*
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* This enumeration may be extended in the future; applications should
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* ignore unknown values.
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*/
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typedef enum {
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GTK_FONT_CHOOSER_LEVEL_FAMILY = 0,
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GTK_FONT_CHOOSER_LEVEL_STYLE = 1 << 0,
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GTK_FONT_CHOOSER_LEVEL_SIZE = 1 << 1,
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GTK_FONT_CHOOSER_LEVEL_VARIATIONS = 1 << 2,
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GTK_FONT_CHOOSER_LEVEL_FEATURES = 1 << 3
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} GtkFontChooserLevel;
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#define GTK_TYPE_FONT_CHOOSER (gtk_font_chooser_get_type ())
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#define GTK_FONT_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FONT_CHOOSER, GtkFontChooser))
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#define GTK_IS_FONT_CHOOSER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FONT_CHOOSER))
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#define GTK_FONT_CHOOSER_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GTK_TYPE_FONT_CHOOSER, GtkFontChooserIface))
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typedef struct _GtkFontChooser GtkFontChooser; /* dummy */
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typedef struct _GtkFontChooserIface GtkFontChooserIface;
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struct _GtkFontChooserIface
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{
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GTypeInterface base_iface;
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/* Methods */
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PangoFontFamily * (* get_font_family) (GtkFontChooser *fontchooser);
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PangoFontFace * (* get_font_face) (GtkFontChooser *fontchooser);
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int (* get_font_size) (GtkFontChooser *fontchooser);
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void (* set_filter_func) (GtkFontChooser *fontchooser,
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GtkFontFilterFunc filter,
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gpointer user_data,
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GDestroyNotify destroy);
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/* Signals */
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void (* font_activated) (GtkFontChooser *chooser,
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const char *fontname);
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/* More methods */
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void (* set_font_map) (GtkFontChooser *fontchooser,
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PangoFontMap *fontmap);
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PangoFontMap * (* get_font_map) (GtkFontChooser *fontchooser);
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/*< private >*/
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/* Padding; remove in GTK-next */
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gpointer padding[10];
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};
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GDK_AVAILABLE_IN_ALL
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GType gtk_font_chooser_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_ALL
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PangoFontFamily *gtk_font_chooser_get_font_family (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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PangoFontFace *gtk_font_chooser_get_font_face (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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int gtk_font_chooser_get_font_size (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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PangoFontDescription *
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gtk_font_chooser_get_font_desc (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_font_desc (GtkFontChooser *fontchooser,
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const PangoFontDescription *font_desc);
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GDK_AVAILABLE_IN_ALL
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char * gtk_font_chooser_get_font (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_font (GtkFontChooser *fontchooser,
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const char *fontname);
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GDK_AVAILABLE_IN_ALL
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char * gtk_font_chooser_get_preview_text (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_preview_text (GtkFontChooser *fontchooser,
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const char *text);
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GDK_AVAILABLE_IN_ALL
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gboolean gtk_font_chooser_get_show_preview_entry (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_show_preview_entry (GtkFontChooser *fontchooser,
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gboolean show_preview_entry);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_filter_func (GtkFontChooser *fontchooser,
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GtkFontFilterFunc filter,
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gpointer user_data,
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GDestroyNotify destroy);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_font_map (GtkFontChooser *fontchooser,
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PangoFontMap *fontmap);
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GDK_AVAILABLE_IN_ALL
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PangoFontMap * gtk_font_chooser_get_font_map (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_level (GtkFontChooser *fontchooser,
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GtkFontChooserLevel level);
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GDK_AVAILABLE_IN_ALL
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GtkFontChooserLevel
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gtk_font_chooser_get_level (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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char * gtk_font_chooser_get_font_features (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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char * gtk_font_chooser_get_language (GtkFontChooser *fontchooser);
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GDK_AVAILABLE_IN_ALL
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void gtk_font_chooser_set_language (GtkFontChooser *fontchooser,
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const char *language);
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G_END_DECLS
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#endif /* __GTK_FONT_CHOOSER_H__ */
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