657 lines
20 KiB
C
657 lines
20 KiB
C
/* GTK - The GIMP Toolkit
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* gtkfontchooser.c - 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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#include "config.h"
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#include "gtkfontchooser.h"
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#include "gtkfontchooserprivate.h"
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#include "gtktypebuiltins.h"
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#include "gtkprivate.h"
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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/**
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* GtkFontChooser:
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*
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* `GtkFontChooser` is an interface that can be implemented by widgets
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* for choosing fonts.
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*
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* In GTK, the main objects that implement this interface are
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* [class@Gtk.FontChooserWidget], [class@Gtk.FontChooserDialog] and
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* [class@Gtk.FontButton].
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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enum
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{
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SIGNAL_FONT_ACTIVATED,
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LAST_SIGNAL
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};
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static guint chooser_signals[LAST_SIGNAL];
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typedef GtkFontChooserIface GtkFontChooserInterface;
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G_DEFINE_INTERFACE (GtkFontChooser, gtk_font_chooser, G_TYPE_OBJECT);
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static void
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gtk_font_chooser_default_init (GtkFontChooserInterface *iface)
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{
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/**
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* GtkFontChooser:font: (attributes org.gtk.Property.get=gtk_font_chooser_get_font org.gtk.Property.set=gtk_font_chooser_set_font)
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*
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* The font description as a string, e.g. "Sans Italic 12".
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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g_object_interface_install_property
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(iface,
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g_param_spec_string ("font", NULL, NULL,
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GTK_FONT_CHOOSER_DEFAULT_FONT_NAME,
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GTK_PARAM_READWRITE));
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/**
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* GtkFontChooser:font-desc: (attributes org.gtk.Property.get=gtk_font_chooser_get_font_desc org.gtk.Property.set=gtk_font_chooser_set_font_desc)
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*
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* The font description as a `PangoFontDescription`.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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g_object_interface_install_property
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(iface,
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g_param_spec_boxed ("font-desc", NULL, NULL,
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PANGO_TYPE_FONT_DESCRIPTION,
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GTK_PARAM_READWRITE));
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/**
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* GtkFontChooser:preview-text: (attributes org.gtk.Property.get=gtk_font_chooser_get_preview_text org.gtk.Property.set=gtk_font_chooser_set_preview_text)
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*
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* The string with which to preview the font.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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g_object_interface_install_property
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(iface,
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g_param_spec_string ("preview-text", NULL, NULL,
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pango_language_get_sample_string (NULL),
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GTK_PARAM_READWRITE));
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/**
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* GtkFontChooser:show-preview-entry: (attributes org.gtk.Property.get=gtk_font_chooser_get_show_preview_entry org.gtk.Property.set=gtk_font_chooser_set_show_preview_entry)
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*
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* Whether to show an entry to change the preview text.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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g_object_interface_install_property
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(iface,
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g_param_spec_boolean ("show-preview-entry", NULL, NULL,
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TRUE,
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GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
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/**
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* GtkFontChooser:level: (attributes org.gtk.Property.get=gtk_font_chooser_get_level org.gtk.Property.set=gtk_font_chooser_set_level)
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*
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* The level of granularity to offer for selecting fonts.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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g_object_interface_install_property
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(iface,
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g_param_spec_flags ("level", NULL, NULL,
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GTK_TYPE_FONT_CHOOSER_LEVEL,
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GTK_FONT_CHOOSER_LEVEL_FAMILY |
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GTK_FONT_CHOOSER_LEVEL_STYLE |
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GTK_FONT_CHOOSER_LEVEL_SIZE,
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GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
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/**
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* GtkFontChooser:font-features: (attributes org.gtk.Property.get=gtk_font_chooser_get_font_features)
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*
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* The selected font features.
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*
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* The format of the string is compatible with
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* CSS and with Pango attributes.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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g_object_interface_install_property
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(iface,
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g_param_spec_string ("font-features", NULL, NULL,
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"",
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GTK_PARAM_READABLE));
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/**
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* GtkFontChooser:language: (attributes org.gtk.Property.get=gtk_font_chooser_get_language org.gtk.Property.set=gtk_font_chooser_set_language)
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*
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* The language for which the font features were selected.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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g_object_interface_install_property
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(iface,
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g_param_spec_string ("language", NULL, NULL,
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"",
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GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
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/**
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* GtkFontChooser::font-activated:
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* @self: the object which received the signal
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* @fontname: the font name
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*
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* Emitted when a font is activated.
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*
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* This usually happens when the user double clicks an item,
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* or an item is selected and the user presses one of the keys
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* Space, Shift+Space, Return or Enter.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton] instead
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*/
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chooser_signals[SIGNAL_FONT_ACTIVATED] =
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g_signal_new (I_("font-activated"),
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GTK_TYPE_FONT_CHOOSER,
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GtkFontChooserIface, font_activated),
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NULL, NULL,
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NULL,
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G_TYPE_NONE,
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1, G_TYPE_STRING);
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}
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/**
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* gtk_font_chooser_get_font_family:
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* @fontchooser: a `GtkFontChooser`
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*
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* Gets the `PangoFontFamily` representing the selected font family.
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*
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* Font families are a collection of font faces.
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*
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* If the selected font is not installed, returns %NULL.
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*
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* Returns: (nullable) (transfer none): A `PangoFontFamily` representing the
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* selected font family
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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PangoFontFamily *
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gtk_font_chooser_get_font_family (GtkFontChooser *fontchooser)
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{
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
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return GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->get_font_family (fontchooser);
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}
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/**
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* gtk_font_chooser_get_font_face:
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* @fontchooser: a `GtkFontChooser`
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*
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* Gets the `PangoFontFace` representing the selected font group
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* details (i.e. family, slant, weight, width, etc).
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*
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* If the selected font is not installed, returns %NULL.
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*
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* Returns: (nullable) (transfer none): A `PangoFontFace` representing the
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* selected font group details
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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PangoFontFace *
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gtk_font_chooser_get_font_face (GtkFontChooser *fontchooser)
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{
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
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return GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->get_font_face (fontchooser);
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}
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/**
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* gtk_font_chooser_get_font_size:
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* @fontchooser: a `GtkFontChooser`
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*
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* The selected font size.
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*
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* Returns: A n integer representing the selected font size,
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* or -1 if no font size is selected.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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int
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gtk_font_chooser_get_font_size (GtkFontChooser *fontchooser)
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{
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), -1);
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return GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->get_font_size (fontchooser);
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}
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/**
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* gtk_font_chooser_get_font: (attributes org.gtk.Method.get_property=font)
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* @fontchooser: a `GtkFontChooser`
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*
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* Gets the currently-selected font name.
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*
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* Note that this can be a different string than what you set with
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* [method@Gtk.FontChooser.set_font], as the font chooser widget may
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* normalize font names and thus return a string with a different
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* structure. For example, “Helvetica Italic Bold 12” could be
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* normalized to “Helvetica Bold Italic 12”.
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*
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* Use [method@Pango.FontDescription.equal] if you want to compare two
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* font descriptions.
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*
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* Returns: (nullable) (transfer full): A string with the name
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* of the current font
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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char *
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gtk_font_chooser_get_font (GtkFontChooser *fontchooser)
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{
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char *fontname;
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
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g_object_get (fontchooser, "font", &fontname, NULL);
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return fontname;
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}
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/**
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* gtk_font_chooser_set_font: (attributes org.gtk.Method.set_property=font)
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* @fontchooser: a `GtkFontChooser`
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* @fontname: a font name like “Helvetica 12” or “Times Bold 18”
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*
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* Sets the currently-selected font.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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void
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gtk_font_chooser_set_font (GtkFontChooser *fontchooser,
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const char *fontname)
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{
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g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
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g_return_if_fail (fontname != NULL);
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g_object_set (fontchooser, "font", fontname, NULL);
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}
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/**
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* gtk_font_chooser_get_font_desc: (attributes org.gtk.Method.get_property=font-desc)
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* @fontchooser: a `GtkFontChooser`
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*
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* Gets the currently-selected font.
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*
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* Note that this can be a different string than what you set with
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* [method@Gtk.FontChooser.set_font], as the font chooser widget may
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* normalize font names and thus return a string with a different
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* structure. For example, “Helvetica Italic Bold 12” could be
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* normalized to “Helvetica Bold Italic 12”.
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*
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* Use [method@Pango.FontDescription.equal] if you want to compare two
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* font descriptions.
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*
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* Returns: (nullable) (transfer full): A `PangoFontDescription` for the
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* current font
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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PangoFontDescription *
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gtk_font_chooser_get_font_desc (GtkFontChooser *fontchooser)
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{
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PangoFontDescription *font_desc;
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
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g_object_get (fontchooser, "font-desc", &font_desc, NULL);
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return font_desc;
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}
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/**
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* gtk_font_chooser_set_font_desc: (attributes org.gtk.Method.set_property=font-desc)
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* @fontchooser: a `GtkFontChooser`
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* @font_desc: a `PangoFontDescription`
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*
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* Sets the currently-selected font from @font_desc.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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void
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gtk_font_chooser_set_font_desc (GtkFontChooser *fontchooser,
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const PangoFontDescription *font_desc)
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{
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g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
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g_return_if_fail (font_desc != NULL);
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g_object_set (fontchooser, "font-desc", font_desc, NULL);
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}
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/**
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* gtk_font_chooser_get_preview_text: (attributes org.gtk.Method.get_property=preview-text)
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* @fontchooser: a `GtkFontChooser`
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*
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* Gets the text displayed in the preview area.
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*
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* Returns: (transfer full): the text displayed in the preview area
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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char *
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gtk_font_chooser_get_preview_text (GtkFontChooser *fontchooser)
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{
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char *text;
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
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g_object_get (fontchooser, "preview-text", &text, NULL);
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return text;
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}
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/**
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* gtk_font_chooser_set_preview_text: (attributes org.gtk.Method.set_property=preview-text)
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* @fontchooser: a `GtkFontChooser`
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* @text: (transfer none): the text to display in the preview area
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*
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* Sets the text displayed in the preview area.
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*
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* The @text is used to show how the selected font looks.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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void
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gtk_font_chooser_set_preview_text (GtkFontChooser *fontchooser,
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const char *text)
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{
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g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
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g_return_if_fail (text != NULL);
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g_object_set (fontchooser, "preview-text", text, NULL);
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}
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/**
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* gtk_font_chooser_get_show_preview_entry: (attributes org.gtk.Method.get_property=show-preview-entry)
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* @fontchooser: a `GtkFontChooser`
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*
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* Returns whether the preview entry is shown or not.
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*
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* Returns: %TRUE if the preview entry is shown or %FALSE if it is hidden.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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gboolean
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gtk_font_chooser_get_show_preview_entry (GtkFontChooser *fontchooser)
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{
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gboolean show;
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), FALSE);
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g_object_get (fontchooser, "show-preview-entry", &show, NULL);
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return show;
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}
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/**
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* gtk_font_chooser_set_show_preview_entry: (attributes org.gtk.Method.set_property=show-preview-entry)
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* @fontchooser: a `GtkFontChooser`
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* @show_preview_entry: whether to show the editable preview entry or not
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*
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* Shows or hides the editable preview entry.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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void
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gtk_font_chooser_set_show_preview_entry (GtkFontChooser *fontchooser,
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gboolean show_preview_entry)
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{
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g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
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show_preview_entry = show_preview_entry != FALSE;
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g_object_set (fontchooser, "show-preview-entry", show_preview_entry, NULL);
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}
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/**
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* gtk_font_chooser_set_filter_func:
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* @fontchooser: a `GtkFontChooser`
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* @filter: (nullable): a `GtkFontFilterFunc`
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* @user_data: (closure): data to pass to @filter
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* @destroy: function to call to free @data when it is no longer needed
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*
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* Adds a filter function that decides which fonts to display
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* in the font chooser.
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*
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* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
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* instead
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*/
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void
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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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{
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g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
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GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->set_filter_func (fontchooser,
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filter,
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user_data,
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destroy);
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}
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void
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_gtk_font_chooser_font_activated (GtkFontChooser *chooser,
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const char *fontname)
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{
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g_return_if_fail (GTK_IS_FONT_CHOOSER (chooser));
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g_signal_emit (chooser, chooser_signals[SIGNAL_FONT_ACTIVATED], 0, fontname);
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}
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|
/**
|
|
* gtk_font_chooser_set_font_map:
|
|
* @fontchooser: a `GtkFontChooser`
|
|
* @fontmap: (nullable): a `PangoFontMap`
|
|
*
|
|
* Sets a custom font map to use for this font chooser widget.
|
|
*
|
|
* A custom font map can be used to present application-specific
|
|
* fonts instead of or in addition to the normal system fonts.
|
|
*
|
|
* ```c
|
|
* FcConfig *config;
|
|
* PangoFontMap *fontmap;
|
|
*
|
|
* config = FcInitLoadConfigAndFonts ();
|
|
* FcConfigAppFontAddFile (config, my_app_font_file);
|
|
*
|
|
* fontmap = pango_cairo_font_map_new_for_font_type (CAIRO_FONT_TYPE_FT);
|
|
* pango_fc_font_map_set_config (PANGO_FC_FONT_MAP (fontmap), config);
|
|
*
|
|
* gtk_font_chooser_set_font_map (font_chooser, fontmap);
|
|
* ```
|
|
*
|
|
* Note that other GTK widgets will only be able to use the
|
|
* application-specific font if it is present in the font map they use:
|
|
*
|
|
* ```c
|
|
* context = gtk_widget_get_pango_context (label);
|
|
* pango_context_set_font_map (context, fontmap);
|
|
* ```
|
|
*
|
|
* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
|
|
* instead
|
|
*/
|
|
void
|
|
gtk_font_chooser_set_font_map (GtkFontChooser *fontchooser,
|
|
PangoFontMap *fontmap)
|
|
{
|
|
g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
|
|
g_return_if_fail (fontmap == NULL || PANGO_IS_FONT_MAP (fontmap));
|
|
|
|
if (GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->set_font_map)
|
|
GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->set_font_map (fontchooser, fontmap);
|
|
}
|
|
|
|
/**
|
|
* gtk_font_chooser_get_font_map:
|
|
* @fontchooser: a `GtkFontChooser`
|
|
*
|
|
* Gets the custom font map of this font chooser widget,
|
|
* or %NULL if it does not have one.
|
|
*
|
|
* Returns: (nullable) (transfer full): a `PangoFontMap`
|
|
*
|
|
* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
|
|
* instead
|
|
*/
|
|
PangoFontMap *
|
|
gtk_font_chooser_get_font_map (GtkFontChooser *fontchooser)
|
|
{
|
|
PangoFontMap *fontmap = NULL;
|
|
|
|
g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
|
|
|
|
if (GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->get_font_map)
|
|
fontmap = GTK_FONT_CHOOSER_GET_IFACE (fontchooser)->get_font_map (fontchooser);
|
|
|
|
return fontmap;
|
|
}
|
|
|
|
/**
|
|
* gtk_font_chooser_set_level: (attributes org.gtk.Method.set_property=level)
|
|
* @fontchooser: a `GtkFontChooser`
|
|
* @level: the desired level of granularity
|
|
*
|
|
* Sets the desired level of granularity for selecting fonts.
|
|
*
|
|
* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
|
|
* instead
|
|
*/
|
|
void
|
|
gtk_font_chooser_set_level (GtkFontChooser *fontchooser,
|
|
GtkFontChooserLevel level)
|
|
{
|
|
g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
|
|
|
|
g_object_set (fontchooser, "level", level, NULL);
|
|
}
|
|
|
|
/**
|
|
* gtk_font_chooser_get_level: (attributes org.gtk.Method.get_property=level)
|
|
* @fontchooser: a `GtkFontChooser`
|
|
*
|
|
* Returns the current level of granularity for selecting fonts.
|
|
*
|
|
* Returns: the current granularity level
|
|
*
|
|
* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
|
|
* instead
|
|
*/
|
|
GtkFontChooserLevel
|
|
gtk_font_chooser_get_level (GtkFontChooser *fontchooser)
|
|
{
|
|
GtkFontChooserLevel level;
|
|
|
|
g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), 0);
|
|
|
|
g_object_get (fontchooser, "level", &level, NULL);
|
|
|
|
return level;
|
|
}
|
|
|
|
/**
|
|
* gtk_font_chooser_get_font_features: (attributes org.gtk.Method.get_property=font-features)
|
|
* @fontchooser: a `GtkFontChooser`
|
|
*
|
|
* Gets the currently-selected font features.
|
|
*
|
|
* The format of the returned string is compatible with the
|
|
* [CSS font-feature-settings property](https://www.w3.org/TR/css-fonts-4/#font-rend-desc).
|
|
* It can be passed to [func@Pango.AttrFontFeatures.new].
|
|
*
|
|
* Returns: the currently selected font features
|
|
*
|
|
* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
|
|
* instead
|
|
*/
|
|
char *
|
|
gtk_font_chooser_get_font_features (GtkFontChooser *fontchooser)
|
|
{
|
|
char *text;
|
|
|
|
g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
|
|
|
|
g_object_get (fontchooser, "font-features", &text, NULL);
|
|
|
|
return text;
|
|
}
|
|
|
|
/**
|
|
* gtk_font_chooser_get_language: (attributes org.gtk.Method.get_property=language)
|
|
* @fontchooser: a `GtkFontChooser`
|
|
*
|
|
* Gets the language that is used for font features.
|
|
*
|
|
* Returns: the currently selected language
|
|
*
|
|
* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
|
|
* instead
|
|
*/
|
|
char *
|
|
gtk_font_chooser_get_language (GtkFontChooser *fontchooser)
|
|
{
|
|
char *text;
|
|
|
|
g_return_val_if_fail (GTK_IS_FONT_CHOOSER (fontchooser), NULL);
|
|
|
|
g_object_get (fontchooser, "language", &text, NULL);
|
|
|
|
return text;
|
|
}
|
|
|
|
/**
|
|
* gtk_font_chooser_set_language: (attributes org.gtk.Method.set_property=language)
|
|
* @fontchooser: a `GtkFontChooser`
|
|
* @language: a language
|
|
*
|
|
* Sets the language to use for font features.
|
|
*
|
|
* Deprecated: 4.10: Use [class@Gtk.FontDialog] and [class@Gtk.FontDialogButton]
|
|
* instead
|
|
*/
|
|
void
|
|
gtk_font_chooser_set_language (GtkFontChooser *fontchooser,
|
|
const char *language)
|
|
{
|
|
g_return_if_fail (GTK_IS_FONT_CHOOSER (fontchooser));
|
|
|
|
g_object_set (fontchooser, "language", language, NULL);
|
|
}
|