/* GTK - The GIMP Toolkit * Copyright (C) 2011 Alberto Ruiz * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #include "config.h" #include #include #include #include "gtkfontchooserdialogprivate.h" #include "deprecated/gtkfontchooser.h" #include "deprecated/gtkfontchooserwidget.h" #include "gtkfontchooserwidgetprivate.h" #include "gtkfontchooserutils.h" #include "gtkbox.h" #include #include "gtkbuildable.h" #include "gtkprivate.h" #include "gtkwidget.h" #include "gtksettings.h" #include "gtkdialogprivate.h" #include "gtktogglebutton.h" #include "gtkheaderbar.h" #include "gtkactionable.h" #include "gtkeventcontrollerkey.h" G_GNUC_BEGIN_IGNORE_DEPRECATIONS typedef struct _GtkFontChooserDialogClass GtkFontChooserDialogClass; struct _GtkFontChooserDialog { GtkDialog parent_instance; GtkWidget *fontchooser; GtkWidget *select_button; GtkWidget *cancel_button; GtkWidget *tweak_button; }; struct _GtkFontChooserDialogClass { GtkDialogClass parent_class; }; /** * GtkFontChooserDialog: * * The `GtkFontChooserDialog` widget is a dialog for selecting a font. * * ![An example GtkFontChooserDialog](fontchooser.png) * * `GtkFontChooserDialog` implements the [iface@Gtk.FontChooser] interface * and does not provide much API of its own. * * To create a `GtkFontChooserDialog`, use [ctor@Gtk.FontChooserDialog.new]. * * # GtkFontChooserDialog as GtkBuildable * * The `GtkFontChooserDialog` implementation of the `GtkBuildable` * interface exposes the buttons with the names “select_button” * and “cancel_button”. * * Deprecated: 4.10: Use [class@Gtk.FontDialog] instead */ static void gtk_font_chooser_dialog_buildable_interface_init (GtkBuildableIface *iface); static GObject *gtk_font_chooser_dialog_buildable_get_internal_child (GtkBuildable *buildable, GtkBuilder *builder, const char *childname); G_DEFINE_TYPE_WITH_CODE (GtkFontChooserDialog, gtk_font_chooser_dialog, GTK_TYPE_DIALOG, G_IMPLEMENT_INTERFACE (GTK_TYPE_FONT_CHOOSER, _gtk_font_chooser_delegate_iface_init) G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, gtk_font_chooser_dialog_buildable_interface_init)) static GtkBuildableIface *parent_buildable_iface; static void gtk_font_chooser_dialog_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (object); switch (prop_id) { default: g_object_set_property (G_OBJECT (dialog->fontchooser), pspec->name, value); break; } } static void gtk_font_chooser_dialog_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (object); switch (prop_id) { default: g_object_get_property (G_OBJECT (dialog->fontchooser), pspec->name, value); break; } } static void font_activated_cb (GtkFontChooser *fontchooser, const char *fontname, gpointer user_data) { GtkDialog *dialog = user_data; gtk_dialog_response (dialog, GTK_RESPONSE_OK); } static gboolean dialog_forward_key (GtkEventControllerKey *controller, guint keyval, guint keycode, GdkModifierType modifiers, GtkWidget *widget) { GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (widget); return gtk_event_controller_key_forward (controller, dialog->fontchooser); } static void update_tweak_button (GtkFontChooserDialog *dialog) { GtkFontChooserLevel level; if (!dialog->tweak_button) return; g_object_get (dialog->fontchooser, "level", &level, NULL); if ((level & (GTK_FONT_CHOOSER_LEVEL_FEATURES | GTK_FONT_CHOOSER_LEVEL_VARIATIONS)) != 0) gtk_widget_show (dialog->tweak_button); else gtk_widget_hide (dialog->tweak_button); } static void setup_tweak_button (GtkFontChooserDialog *dialog) { gboolean use_header; if (dialog->tweak_button) return; g_object_get (dialog, "use-header-bar", &use_header, NULL); if (use_header) { GtkWidget *button; GtkWidget *header; GActionGroup *actions; actions = G_ACTION_GROUP (g_simple_action_group_new ()); g_action_map_add_action (G_ACTION_MAP (actions), gtk_font_chooser_widget_get_tweak_action (dialog->fontchooser)); gtk_widget_insert_action_group (GTK_WIDGET (dialog), "font", actions); g_object_unref (actions); button = gtk_toggle_button_new (); gtk_actionable_set_action_name (GTK_ACTIONABLE (button), "font.tweak"); gtk_widget_set_focus_on_click (button, FALSE); gtk_widget_set_valign (button, GTK_ALIGN_CENTER); gtk_button_set_icon_name (GTK_BUTTON (button), "emblem-system-symbolic"); gtk_widget_set_tooltip_text (button, _("Change Font Features")); header = gtk_dialog_get_header_bar (GTK_DIALOG (dialog)); gtk_header_bar_pack_end (GTK_HEADER_BAR (header), button); dialog->tweak_button = button; update_tweak_button (dialog); } } static void gtk_font_chooser_dialog_map (GtkWidget *widget) { GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (widget); setup_tweak_button (dialog); GTK_WIDGET_CLASS (gtk_font_chooser_dialog_parent_class)->map (widget); } static void update_button (GtkFontChooserDialog *dialog) { PangoFontDescription *desc; desc = gtk_font_chooser_get_font_desc (GTK_FONT_CHOOSER (dialog->fontchooser)); gtk_widget_set_sensitive (dialog->select_button, desc != NULL); if (desc) pango_font_description_free (desc); } static void gtk_font_chooser_dialog_dispose (GObject *object) { GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (object); if (dialog->fontchooser) { g_signal_handlers_disconnect_by_func (dialog->fontchooser, update_button, dialog); g_signal_handlers_disconnect_by_func (dialog->fontchooser, update_tweak_button, dialog); } /* tweak_button is not a template child */ g_clear_pointer (&dialog->tweak_button, gtk_widget_unparent); gtk_widget_dispose_template (GTK_WIDGET (dialog), GTK_TYPE_FONT_CHOOSER_DIALOG); G_OBJECT_CLASS (gtk_font_chooser_dialog_parent_class)->dispose (object); } static void gtk_font_chooser_dialog_class_init (GtkFontChooserDialogClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); gobject_class->dispose = gtk_font_chooser_dialog_dispose; gobject_class->get_property = gtk_font_chooser_dialog_get_property; gobject_class->set_property = gtk_font_chooser_dialog_set_property; widget_class->map = gtk_font_chooser_dialog_map; _gtk_font_chooser_install_properties (gobject_class); /* Bind class to template */ gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/ui/gtkfontchooserdialog.ui"); gtk_widget_class_bind_template_child (widget_class, GtkFontChooserDialog, fontchooser); gtk_widget_class_bind_template_child (widget_class, GtkFontChooserDialog, select_button); gtk_widget_class_bind_template_child (widget_class, GtkFontChooserDialog, cancel_button); gtk_widget_class_bind_template_callback (widget_class, font_activated_cb); gtk_widget_class_bind_template_callback (widget_class, dialog_forward_key); } static void gtk_font_chooser_dialog_init (GtkFontChooserDialog *dialog) { gtk_widget_init_template (GTK_WIDGET (dialog)); gtk_dialog_set_use_header_bar_from_setting (GTK_DIALOG (dialog)); _gtk_font_chooser_set_delegate (GTK_FONT_CHOOSER (dialog), GTK_FONT_CHOOSER (dialog->fontchooser)); g_signal_connect_swapped (dialog->fontchooser, "notify::font-desc", G_CALLBACK (update_button), dialog); update_button (dialog); g_signal_connect_swapped (dialog->fontchooser, "notify::level", G_CALLBACK (update_tweak_button), dialog); } /** * gtk_font_chooser_dialog_new: * @title: (nullable): Title of the dialog * @parent: (nullable): Transient parent of the dialog * * Creates a new `GtkFontChooserDialog`. * * Returns: a new `GtkFontChooserDialog` * * Deprecated: 4.10: Use [class@Gtk.FontDialog] instead */ GtkWidget* gtk_font_chooser_dialog_new (const char *title, GtkWindow *parent) { GtkFontChooserDialog *dialog; dialog = g_object_new (GTK_TYPE_FONT_CHOOSER_DIALOG, "title", title, "transient-for", parent, NULL); return GTK_WIDGET (dialog); } static void gtk_font_chooser_dialog_buildable_interface_init (GtkBuildableIface *iface) { parent_buildable_iface = g_type_interface_peek_parent (iface); iface->get_internal_child = gtk_font_chooser_dialog_buildable_get_internal_child; } static GObject * gtk_font_chooser_dialog_buildable_get_internal_child (GtkBuildable *buildable, GtkBuilder *builder, const char *childname) { GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (buildable); if (g_strcmp0 (childname, "select_button") == 0) return G_OBJECT (dialog->select_button); else if (g_strcmp0 (childname, "cancel_button") == 0) return G_OBJECT (dialog->cancel_button); return parent_buildable_iface->get_internal_child (buildable, builder, childname); } void gtk_font_chooser_dialog_set_filter (GtkFontChooserDialog *dialog, GtkFilter *filter) { gtk_font_chooser_widget_set_filter (GTK_FONT_CHOOSER_WIDGET (dialog->fontchooser), filter); }