/* gtktoolbutton.c * * Copyright (C) 2002 Anders Carlsson * Copyright (C) 2002 James Henstridge * Copyright (C) 2003 Soeren Sandmann * * 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 "gtktoolbutton.h" #include "gtkbutton.h" #include "gtkimage.h" #include "gtklabel.h" #include "gtkbox.h" #include "gtkintl.h" #include "gtktoolbarprivate.h" #include "gtkicontheme.h" #include "gtkactionable.h" #include "gtkprivate.h" #include /** * SECTION:gtktoolbutton * @Short_description: A GtkToolItem subclass that displays buttons * @Title: GtkToolButton * @See_also: #GtkToolbar, #GtkMenuToolButton, #GtkToggleToolButton, * #GtkRadioToolButton, #GtkSeparatorToolItem * * #GtkToolButtons are #GtkToolItems containing buttons. * * Use gtk_tool_button_new() to create a new #GtkToolButton. * * The label of a #GtkToolButton is determined by the properties * #GtkToolButton:label-widget and #GtkToolButton:label. * If #GtkToolButton:label-widget is * non-%NULL, then that widget is used as the label. Otherwise, if * #GtkToolButton:label is non-%NULL, that string is used as the label. * * The icon of a #GtkToolButton is determined by the * #GtkToolButton:icon-widget property. If * #GtkToolButton:icon-widget is non-%NULL, then * that widget is used as the icon. Otherwise it does not have an icon. * * # CSS nodes * * GtkToolButton has a single CSS node with name toolbutton. */ #define MENU_ID "gtk-tool-button-menu-id" enum { CLICKED, LAST_SIGNAL }; enum { PROP_0, PROP_LABEL, PROP_USE_UNDERLINE, PROP_LABEL_WIDGET, PROP_ICON_NAME, PROP_ICON_WIDGET, PROP_ACTION_NAME, PROP_ACTION_TARGET }; static void gtk_tool_button_init (GtkToolButton *button, GtkToolButtonClass *klass); static void gtk_tool_button_class_init (GtkToolButtonClass *klass); static void gtk_tool_button_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_tool_button_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_tool_button_property_notify (GObject *object, GParamSpec *pspec); static void gtk_tool_button_finalize (GObject *object); static void gtk_tool_button_toolbar_reconfigured (GtkToolItem *tool_item); static gboolean gtk_tool_button_create_menu_proxy (GtkToolItem *item); static void button_clicked (GtkWidget *widget, GtkToolButton *button); static void gtk_tool_button_construct_contents (GtkToolItem *tool_item); static void gtk_tool_button_actionable_iface_init (GtkActionableInterface *iface); struct _GtkToolButtonPrivate { GtkWidget *button; gchar *icon_name; gchar *label_text; GtkWidget *label_widget; GtkWidget *icon_widget; GtkSizeGroup *text_size_group; guint use_underline : 1; guint contents_invalid : 1; }; static GObjectClass *parent_class = NULL; static guint toolbutton_signals[LAST_SIGNAL] = { 0 }; GType gtk_tool_button_get_type (void) { static GType g_define_type_id = 0; if (!g_define_type_id) { const GInterfaceInfo actionable_info = { (GInterfaceInitFunc) gtk_tool_button_actionable_iface_init, (GInterfaceFinalizeFunc) NULL, NULL }; g_define_type_id = g_type_register_static_simple (GTK_TYPE_TOOL_ITEM, I_("GtkToolButton"), sizeof (GtkToolButtonClass), (GClassInitFunc) gtk_tool_button_class_init, sizeof (GtkToolButton), (GInstanceInitFunc) gtk_tool_button_init, 0); g_type_add_interface_static (g_define_type_id, GTK_TYPE_ACTIONABLE, &actionable_info); } return g_define_type_id; } static void gtk_tool_button_class_init (GtkToolButtonClass *klass) { GObjectClass *object_class; GtkWidgetClass *widget_class; GtkToolItemClass *tool_item_class; parent_class = g_type_class_peek_parent (klass); object_class = (GObjectClass *)klass; widget_class = (GtkWidgetClass *)klass; tool_item_class = (GtkToolItemClass *)klass; object_class->set_property = gtk_tool_button_set_property; object_class->get_property = gtk_tool_button_get_property; object_class->notify = gtk_tool_button_property_notify; object_class->finalize = gtk_tool_button_finalize; tool_item_class->create_menu_proxy = gtk_tool_button_create_menu_proxy; tool_item_class->toolbar_reconfigured = gtk_tool_button_toolbar_reconfigured; klass->button_type = GTK_TYPE_BUTTON; /* Properties are interpreted like this: * * - if the tool button has an icon_widget, then that widget * will be used as the icon. Otherwise, if the tool button * has a stock id, the corresponding stock icon will be * used. Otherwise, if the tool button has an icon name, * the corresponding icon from the theme will be used. * Otherwise, the tool button will not have an icon. * * - if the tool button has a label_widget then that widget * will be used as the label. Otherwise, if the tool button * has a label text, that text will be used as label. Otherwise, * if the toolbutton has a stock id, the corresponding text * will be used as label. Otherwise, if the tool button has * an icon name, the corresponding icon name from the theme will * be used. Otherwise, the toolbutton will have an empty label. * * - The use_underline property only has an effect when the label * on the toolbutton comes from the label property (ie. not from * label_widget or from stock_id). * * In that case, if use_underline is set, * * - underscores are removed from the label text before * the label is shown on the toolbutton unless the * underscore is followed by another underscore * * - an underscore indicates that the next character when * used in the overflow menu should be used as a * mnemonic. * * In short: use_underline = TRUE means that the label text has * the form "_Open" and the toolbar should take appropriate * action. */ g_object_class_install_property (object_class, PROP_LABEL, g_param_spec_string ("label", P_("Label"), P_("Text to show in the item."), NULL, GTK_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_USE_UNDERLINE, g_param_spec_boolean ("use-underline", P_("Use underline"), P_("If set, an underline in the label property indicates that the next character should be used for the mnemonic accelerator key in the overflow menu"), FALSE, GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY)); g_object_class_install_property (object_class, PROP_LABEL_WIDGET, g_param_spec_object ("label-widget", P_("Label widget"), P_("Widget to use as the item label"), GTK_TYPE_WIDGET, GTK_PARAM_READWRITE)); /** * GtkToolButton:icon-name: * * The name of the themed icon displayed on the item. * This property only has an effect if not overridden by * #GtkToolButton:label-widget or #GtkToolButton:icon-widget * * Since: 2.8 */ g_object_class_install_property (object_class, PROP_ICON_NAME, g_param_spec_string ("icon-name", P_("Icon name"), P_("The name of the themed icon displayed on the item"), NULL, GTK_PARAM_READWRITE)); g_object_class_install_property (object_class, PROP_ICON_WIDGET, g_param_spec_object ("icon-widget", P_("Icon widget"), P_("Icon widget to display in the item"), GTK_TYPE_WIDGET, GTK_PARAM_READWRITE)); g_object_class_override_property (object_class, PROP_ACTION_NAME, "action-name"); g_object_class_override_property (object_class, PROP_ACTION_TARGET, "action-target"); /** * GtkToolButton::clicked: * @toolbutton: the object that emitted the signal * * This signal is emitted when the tool button is clicked with the mouse * or activated with the keyboard. **/ toolbutton_signals[CLICKED] = g_signal_new (I_("clicked"), G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GtkToolButtonClass, clicked), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); g_type_class_add_private (object_class, sizeof (GtkToolButtonPrivate)); gtk_widget_class_set_css_name (widget_class, "toolbutton"); } static void gtk_tool_button_init (GtkToolButton *button, GtkToolButtonClass *klass) { GtkToolItem *toolitem = GTK_TOOL_ITEM (button); button->priv = G_TYPE_INSTANCE_GET_PRIVATE (button, GTK_TYPE_TOOL_BUTTON, GtkToolButtonPrivate); button->priv->contents_invalid = TRUE; gtk_tool_item_set_homogeneous (toolitem, TRUE); /* create button */ button->priv->button = g_object_new (klass->button_type, NULL); gtk_widget_set_focus_on_click (GTK_WIDGET (button->priv->button), FALSE); g_signal_connect_object (button->priv->button, "clicked", G_CALLBACK (button_clicked), button, 0); gtk_container_add (GTK_CONTAINER (button), button->priv->button); } static void gtk_tool_button_construct_contents (GtkToolItem *tool_item) { GtkToolButton *button = GTK_TOOL_BUTTON (tool_item); GtkWidget *child; GtkWidget *label = NULL; GtkWidget *icon = NULL; GtkToolbarStyle style; gboolean need_label = FALSE; gboolean need_icon = FALSE; GtkIconSize icon_size; GtkWidget *box = NULL; GtkOrientation text_orientation = GTK_ORIENTATION_HORIZONTAL; GtkSizeGroup *size_group = NULL; GtkWidget *parent; button->priv->contents_invalid = FALSE; if (button->priv->icon_widget) { parent = gtk_widget_get_parent (button->priv->icon_widget); if (parent) { gtk_container_remove (GTK_CONTAINER (parent), button->priv->icon_widget); } } if (button->priv->label_widget) { parent = gtk_widget_get_parent (button->priv->label_widget); if (parent) { gtk_container_remove (GTK_CONTAINER (parent), button->priv->label_widget); } } child = gtk_bin_get_child (GTK_BIN (button->priv->button)); if (child) { /* Note: we are not destroying the label_widget or icon_widget * here because they were removed from their containers above */ gtk_widget_destroy (child); } style = gtk_tool_item_get_toolbar_style (GTK_TOOL_ITEM (button)); if (style != GTK_TOOLBAR_TEXT) need_icon = TRUE; if (style != GTK_TOOLBAR_ICONS && style != GTK_TOOLBAR_BOTH_HORIZ) need_label = TRUE; if (style == GTK_TOOLBAR_BOTH_HORIZ && (gtk_tool_item_get_is_important (GTK_TOOL_ITEM (button)) || gtk_tool_item_get_orientation (GTK_TOOL_ITEM (button)) == GTK_ORIENTATION_VERTICAL || gtk_tool_item_get_text_orientation (GTK_TOOL_ITEM (button)) == GTK_ORIENTATION_VERTICAL)) { need_label = TRUE; } if (style != GTK_TOOLBAR_TEXT && button->priv->icon_widget == NULL && button->priv->icon_name == NULL) { need_label = TRUE; need_icon = FALSE; style = GTK_TOOLBAR_TEXT; } if (style == GTK_TOOLBAR_TEXT && button->priv->label_widget == NULL && button->priv->label_text == NULL) { need_label = FALSE; need_icon = TRUE; style = GTK_TOOLBAR_ICONS; } if (need_label) { if (button->priv->label_widget) { label = button->priv->label_widget; } else { gboolean elide; const char *orig_label; gchar *label_text; if (button->priv->label_text) { orig_label = button->priv->label_text; elide = button->priv->use_underline; } else { orig_label = ""; elide = FALSE; } if (elide) label_text = _gtk_toolbar_elide_underscores (orig_label); else label_text = g_strdup (orig_label); label = gtk_label_new (label_text); g_free (label_text); } if (GTK_IS_LABEL (label)) { gtk_label_set_ellipsize (GTK_LABEL (label), gtk_tool_item_get_ellipsize_mode (GTK_TOOL_ITEM (button))); text_orientation = gtk_tool_item_get_text_orientation (GTK_TOOL_ITEM (button)); if (text_orientation == GTK_ORIENTATION_HORIZONTAL) { gfloat align; align = gtk_tool_item_get_text_alignment (GTK_TOOL_ITEM (button)); if (align < 0.4) gtk_widget_set_halign (label, GTK_ALIGN_START); else if (align > 0.6) gtk_widget_set_halign (label, GTK_ALIGN_END); else gtk_widget_set_halign (label, GTK_ALIGN_CENTER); } else { gfloat align; gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_NONE); align = gtk_tool_item_get_text_alignment (GTK_TOOL_ITEM (button)); if (align < 0.4) gtk_widget_set_valign (label, GTK_ALIGN_END); else if (align > 0.6) gtk_widget_set_valign (label, GTK_ALIGN_START); else gtk_widget_set_valign (label, GTK_ALIGN_CENTER); } } } icon_size = gtk_tool_item_get_icon_size (GTK_TOOL_ITEM (button)); if (need_icon) { if (button->priv->icon_widget) { icon = button->priv->icon_widget; if (GTK_IS_IMAGE (icon)) { g_object_set (button->priv->icon_widget, "icon-size", icon_size, NULL); } } else if (button->priv->icon_name) { icon = gtk_image_new_from_icon_name (button->priv->icon_name, icon_size); } if (icon) { if (text_orientation == GTK_ORIENTATION_HORIZONTAL) { gfloat align; align = gtk_tool_item_get_text_alignment (GTK_TOOL_ITEM (button)); if (align > 0.6) gtk_widget_set_halign (icon, GTK_ALIGN_START); else if (align < 0.4) gtk_widget_set_halign (icon, GTK_ALIGN_END); else gtk_widget_set_halign (icon, GTK_ALIGN_CENTER); } else { gfloat align; align = gtk_tool_item_get_text_alignment (GTK_TOOL_ITEM (button)); if (align > 0.6) gtk_widget_set_valign (icon, GTK_ALIGN_END); else if (align < 0.4) gtk_widget_set_valign (icon, GTK_ALIGN_START); else gtk_widget_set_valign (icon, GTK_ALIGN_CENTER); } size_group = gtk_tool_item_get_text_size_group (GTK_TOOL_ITEM (button)); if (size_group != NULL) gtk_size_group_add_widget (size_group, icon); } } switch (style) { case GTK_TOOLBAR_ICONS: if (icon) gtk_container_add (GTK_CONTAINER (button->priv->button), icon); gtk_style_context_add_class (gtk_widget_get_style_context (button->priv->button), "image-button"); gtk_style_context_remove_class (gtk_widget_get_style_context (button->priv->button), "text-button"); break; case GTK_TOOLBAR_BOTH: if (text_orientation == GTK_ORIENTATION_HORIZONTAL) box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); else box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,0); if (icon) gtk_box_pack_start (GTK_BOX (box), icon); gtk_box_pack_end (GTK_BOX (box), label); gtk_container_add (GTK_CONTAINER (button->priv->button), box); gtk_style_context_add_class (gtk_widget_get_style_context (button->priv->button), "image-button"); gtk_style_context_add_class (gtk_widget_get_style_context (button->priv->button), "text-button"); break; case GTK_TOOLBAR_BOTH_HORIZ: if (text_orientation == GTK_ORIENTATION_HORIZONTAL) { box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); if (icon) gtk_box_pack_start (GTK_BOX (box), icon); if (label) gtk_box_pack_end (GTK_BOX (box), label); } else { box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); if (icon) gtk_box_pack_end (GTK_BOX (box), icon); if (label) gtk_box_pack_start (GTK_BOX (box), label); } gtk_container_add (GTK_CONTAINER (button->priv->button), box); gtk_style_context_add_class (gtk_widget_get_style_context (button->priv->button), "image-button"); gtk_style_context_add_class (gtk_widget_get_style_context (button->priv->button), "text-button"); break; case GTK_TOOLBAR_TEXT: gtk_container_add (GTK_CONTAINER (button->priv->button), label); gtk_style_context_add_class (gtk_widget_get_style_context (button->priv->button), "text-button"); gtk_style_context_remove_class (gtk_widget_get_style_context (button->priv->button), "image-button"); break; } if (box) gtk_widget_show (box); gtk_tool_item_rebuild_menu (tool_item); gtk_widget_queue_resize (GTK_WIDGET (button)); } static void gtk_tool_button_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkToolButton *button = GTK_TOOL_BUTTON (object); switch (prop_id) { case PROP_LABEL: gtk_tool_button_set_label (button, g_value_get_string (value)); break; case PROP_USE_UNDERLINE: gtk_tool_button_set_use_underline (button, g_value_get_boolean (value)); break; case PROP_LABEL_WIDGET: gtk_tool_button_set_label_widget (button, g_value_get_object (value)); break; case PROP_ICON_NAME: gtk_tool_button_set_icon_name (button, g_value_get_string (value)); break; case PROP_ICON_WIDGET: gtk_tool_button_set_icon_widget (button, g_value_get_object (value)); break; case PROP_ACTION_NAME: g_object_set_property (G_OBJECT (button->priv->button), "action-name", value); break; case PROP_ACTION_TARGET: g_object_set_property (G_OBJECT (button->priv->button), "action-target", value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_tool_button_property_notify (GObject *object, GParamSpec *pspec) { GtkToolButton *button = GTK_TOOL_BUTTON (object); if (button->priv->contents_invalid || strcmp ("is-important", pspec->name) == 0) gtk_tool_button_construct_contents (GTK_TOOL_ITEM (object)); if (parent_class->notify) parent_class->notify (object, pspec); } static void gtk_tool_button_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkToolButton *button = GTK_TOOL_BUTTON (object); switch (prop_id) { case PROP_LABEL: g_value_set_string (value, gtk_tool_button_get_label (button)); break; case PROP_LABEL_WIDGET: g_value_set_object (value, gtk_tool_button_get_label_widget (button)); break; case PROP_USE_UNDERLINE: g_value_set_boolean (value, gtk_tool_button_get_use_underline (button)); break; case PROP_ICON_NAME: g_value_set_string (value, button->priv->icon_name); break; case PROP_ICON_WIDGET: g_value_set_object (value, button->priv->icon_widget); break; case PROP_ACTION_NAME: g_object_get_property (G_OBJECT (button->priv->button), "action-name", value); break; case PROP_ACTION_TARGET: g_object_get_property (G_OBJECT (button->priv->button), "action-target", value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static const gchar * gtk_tool_button_get_action_name (GtkActionable *actionable) { GtkToolButton *button = GTK_TOOL_BUTTON (actionable); return gtk_actionable_get_action_name (GTK_ACTIONABLE (button->priv->button)); } static void gtk_tool_button_set_action_name (GtkActionable *actionable, const gchar *action_name) { GtkToolButton *button = GTK_TOOL_BUTTON (actionable); gtk_actionable_set_action_name (GTK_ACTIONABLE (button->priv->button), action_name); } static GVariant * gtk_tool_button_get_action_target_value (GtkActionable *actionable) { GtkToolButton *button = GTK_TOOL_BUTTON (actionable); return gtk_actionable_get_action_target_value (GTK_ACTIONABLE (button->priv->button)); } static void gtk_tool_button_set_action_target_value (GtkActionable *actionable, GVariant *action_target) { GtkToolButton *button = GTK_TOOL_BUTTON (actionable); gtk_actionable_set_action_target_value (GTK_ACTIONABLE (button->priv->button), action_target); } static void gtk_tool_button_actionable_iface_init (GtkActionableInterface *iface) { iface->get_action_name = gtk_tool_button_get_action_name; iface->set_action_name = gtk_tool_button_set_action_name; iface->get_action_target_value = gtk_tool_button_get_action_target_value; iface->set_action_target_value = gtk_tool_button_set_action_target_value; } static void gtk_tool_button_finalize (GObject *object) { GtkToolButton *button = GTK_TOOL_BUTTON (object); g_free (button->priv->icon_name); g_free (button->priv->label_text); if (button->priv->label_widget) g_object_unref (button->priv->label_widget); if (button->priv->icon_widget) g_object_unref (button->priv->icon_widget); parent_class->finalize (object); } static GtkWidget * clone_image_menu_size (GtkImage *image) { GtkImageType storage_type = gtk_image_get_storage_type (image); if (storage_type == GTK_IMAGE_ICON_NAME) { const gchar *icon_name; gtk_image_get_icon_name (image, &icon_name, NULL); return gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU); } else if (storage_type == GTK_IMAGE_GICON) { GIcon *icon; gtk_image_get_gicon (image, &icon, NULL); return gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_MENU); } else if (storage_type == GTK_IMAGE_PIXBUF) { gint width, height; if (gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &width, &height)) { GdkPixbuf *src_pixbuf, *dest_pixbuf; GtkWidget *cloned_image; src_pixbuf = gtk_image_get_pixbuf (image); dest_pixbuf = gdk_pixbuf_scale_simple (src_pixbuf, width, height, GDK_INTERP_BILINEAR); cloned_image = gtk_image_new_from_pixbuf (dest_pixbuf); g_object_unref (dest_pixbuf); return cloned_image; } } return NULL; } static gboolean gtk_tool_button_create_menu_proxy (GtkToolItem *item) { GtkToolButton *button = GTK_TOOL_BUTTON (item); GtkWidget *menu_item; GtkWidget *menu_image = NULL; gboolean use_mnemonic = TRUE; const char *label_text; GtkWidget *box; GtkWidget *label; if (_gtk_tool_item_create_menu_proxy (item)) return TRUE; if (GTK_IS_LABEL (button->priv->label_widget)) { label_text = gtk_label_get_label (GTK_LABEL (button->priv->label_widget)); use_mnemonic = gtk_label_get_use_underline (GTK_LABEL (button->priv->label_widget)); } else if (button->priv->label_text) { label_text = button->priv->label_text; use_mnemonic = button->priv->use_underline; } else { label_text = ""; } if (GTK_IS_IMAGE (button->priv->icon_widget)) { menu_image = clone_image_menu_size (GTK_IMAGE (button->priv->icon_widget)); } box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); if (use_mnemonic) label = gtk_label_new_with_mnemonic (label_text); else label = gtk_label_new (label_text); if (menu_image) gtk_container_add (GTK_CONTAINER (box), menu_image); gtk_container_add (GTK_CONTAINER (box), label); menu_item = gtk_menu_item_new (); gtk_container_add (GTK_CONTAINER (menu_item), box); g_signal_connect_closure_by_id (menu_item, g_signal_lookup ("activate", G_OBJECT_TYPE (menu_item)), 0, g_cclosure_new_object_swap (G_CALLBACK (gtk_button_clicked), G_OBJECT (GTK_TOOL_BUTTON (button)->priv->button)), FALSE); gtk_tool_item_set_proxy_menu_item (GTK_TOOL_ITEM (button), MENU_ID, menu_item); return TRUE; } static void button_clicked (GtkWidget *widget, GtkToolButton *button) { g_signal_emit_by_name (button, "clicked"); } static void gtk_tool_button_toolbar_reconfigured (GtkToolItem *tool_item) { gtk_tool_button_construct_contents (tool_item); } /** * gtk_tool_button_new: * @label: (allow-none): a string that will be used as label, or %NULL * @icon_widget: (allow-none): a widget that will be used as the button contents, or %NULL * * Creates a new #GtkToolButton using @icon_widget as contents and @label as * label. * * Returns: A new #GtkToolButton * * Since: 2.4 **/ GtkToolItem * gtk_tool_button_new (GtkWidget *icon_widget, const gchar *label) { GtkToolButton *button; g_return_val_if_fail (icon_widget == NULL || GTK_IS_WIDGET (icon_widget), NULL); button = g_object_new (GTK_TYPE_TOOL_BUTTON, "label", label, "icon-widget", icon_widget, NULL); return GTK_TOOL_ITEM (button); } /** * gtk_tool_button_set_label: * @button: a #GtkToolButton * @label: (allow-none): a string that will be used as label, or %NULL. * * Sets @label as the label used for the tool button. The #GtkToolButton:label * property only has an effect if not overridden by a non-%NULL * #GtkToolButton:label-widget property. If both the #GtkToolButton:label-widget * and #GtkToolButton:label properties are %NULL, @button will not have a label. * * Since: 2.4 **/ void gtk_tool_button_set_label (GtkToolButton *button, const gchar *label) { gchar *old_label; gchar *elided_label; AtkObject *accessible; g_return_if_fail (GTK_IS_TOOL_BUTTON (button)); old_label = button->priv->label_text; button->priv->label_text = g_strdup (label); button->priv->contents_invalid = TRUE; if (label) { elided_label = _gtk_toolbar_elide_underscores (label); accessible = gtk_widget_get_accessible (GTK_WIDGET (button->priv->button)); atk_object_set_name (accessible, elided_label); g_free (elided_label); } g_free (old_label); g_object_notify (G_OBJECT (button), "label"); } /** * gtk_tool_button_get_label: * @button: a #GtkToolButton * * Returns the label used by the tool button, or %NULL if the tool button * doesn’t have a label. The returned * string is owned by GTK+, and must not be modified or freed. * * Returns: (nullable) (transfer none): The label, or %NULL * * Since: 2.4 **/ const gchar * gtk_tool_button_get_label (GtkToolButton *button) { g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL); return button->priv->label_text; } /** * gtk_tool_button_set_use_underline: * @button: a #GtkToolButton * @use_underline: whether the button label has the form “_Open” * * If set, an underline in the label property indicates that the next character * should be used for the mnemonic accelerator key in the overflow menu. For * example, if the label property is “_Open” and @use_underline is %TRUE, * the label on the tool button will be “Open” and the item on the overflow * menu will have an underlined “O”. * * Labels shown on tool buttons never have mnemonics on them; this property * only affects the menu item on the overflow menu. * * Since: 2.4 **/ void gtk_tool_button_set_use_underline (GtkToolButton *button, gboolean use_underline) { g_return_if_fail (GTK_IS_TOOL_BUTTON (button)); use_underline = use_underline != FALSE; if (use_underline != button->priv->use_underline) { button->priv->use_underline = use_underline; button->priv->contents_invalid = TRUE; g_object_notify (G_OBJECT (button), "use-underline"); } } /** * gtk_tool_button_get_use_underline: * @button: a #GtkToolButton * * Returns whether underscores in the label property are used as mnemonics * on menu items on the overflow menu. See gtk_tool_button_set_use_underline(). * * Returns: %TRUE if underscores in the label property are used as * mnemonics on menu items on the overflow menu. * * Since: 2.4 **/ gboolean gtk_tool_button_get_use_underline (GtkToolButton *button) { g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), FALSE); return button->priv->use_underline; } /** * gtk_tool_button_set_icon_name: * @button: a #GtkToolButton * @icon_name: (allow-none): the name of the themed icon * * Sets the icon for the tool button from a named themed icon. * See the docs for #GtkIconTheme for more details. * The #GtkToolButton:icon-name property only has an effect if not * overridden by non-%NULL #GtkToolButton:label-widget or * #GtkToolButton:icon-widget properties. * * Since: 2.8 **/ void gtk_tool_button_set_icon_name (GtkToolButton *button, const gchar *icon_name) { gchar *old_icon_name; g_return_if_fail (GTK_IS_TOOL_BUTTON (button)); old_icon_name = button->priv->icon_name; button->priv->icon_name = g_strdup (icon_name); button->priv->contents_invalid = TRUE; g_free (old_icon_name); g_object_notify (G_OBJECT (button), "icon-name"); } /** * gtk_tool_button_get_icon_name: * @button: a #GtkToolButton * * Returns the name of the themed icon for the tool button, * see gtk_tool_button_set_icon_name(). * * Returns: (nullable): the icon name or %NULL if the tool button has * no themed icon * * Since: 2.8 **/ const gchar* gtk_tool_button_get_icon_name (GtkToolButton *button) { g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL); return button->priv->icon_name; } /** * gtk_tool_button_set_icon_widget: * @button: a #GtkToolButton * @icon_widget: (allow-none): the widget used as icon, or %NULL * * Sets @icon as the widget used as icon on @button. * * Since: 2.4 **/ void gtk_tool_button_set_icon_widget (GtkToolButton *button, GtkWidget *icon_widget) { g_return_if_fail (GTK_IS_TOOL_BUTTON (button)); g_return_if_fail (icon_widget == NULL || GTK_IS_WIDGET (icon_widget)); if (icon_widget != button->priv->icon_widget) { if (button->priv->icon_widget) { GtkWidget *parent; parent = gtk_widget_get_parent (button->priv->icon_widget); if (parent) gtk_container_remove (GTK_CONTAINER (parent), button->priv->icon_widget); g_object_unref (button->priv->icon_widget); } if (icon_widget) g_object_ref_sink (icon_widget); button->priv->icon_widget = icon_widget; button->priv->contents_invalid = TRUE; g_object_notify (G_OBJECT (button), "icon-widget"); } } /** * gtk_tool_button_set_label_widget: * @button: a #GtkToolButton * @label_widget: (allow-none): the widget used as label, or %NULL * * Sets @label_widget as the widget that will be used as the label * for @button. If @label_widget is %NULL the #GtkToolButton:label property is used * as label. If #GtkToolButton:label is also %NULL, @button does not have a label. * * Since: 2.4 **/ void gtk_tool_button_set_label_widget (GtkToolButton *button, GtkWidget *label_widget) { g_return_if_fail (GTK_IS_TOOL_BUTTON (button)); g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget)); if (label_widget != button->priv->label_widget) { if (button->priv->label_widget) { GtkWidget *parent; parent = gtk_widget_get_parent (button->priv->label_widget); if (parent) gtk_container_remove (GTK_CONTAINER (parent), button->priv->label_widget); g_object_unref (button->priv->label_widget); } if (label_widget) g_object_ref_sink (label_widget); button->priv->label_widget = label_widget; button->priv->contents_invalid = TRUE; g_object_notify (G_OBJECT (button), "label-widget"); } } /** * gtk_tool_button_get_label_widget: * @button: a #GtkToolButton * * Returns the widget used as label on @button. * See gtk_tool_button_set_label_widget(). * * Returns: (nullable) (transfer none): The widget used as label * on @button, or %NULL. * * Since: 2.4 **/ GtkWidget * gtk_tool_button_get_label_widget (GtkToolButton *button) { g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL); return button->priv->label_widget; } /** * gtk_tool_button_get_icon_widget: * @button: a #GtkToolButton * * Return the widget used as icon widget on @button. * See gtk_tool_button_set_icon_widget(). * * Returns: (nullable) (transfer none): The widget used as icon * on @button, or %NULL. * * Since: 2.4 **/ GtkWidget * gtk_tool_button_get_icon_widget (GtkToolButton *button) { g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL); return button->priv->icon_widget; } GtkWidget * _gtk_tool_button_get_button (GtkToolButton *button) { g_return_val_if_fail (GTK_IS_TOOL_BUTTON (button), NULL); return button->priv->button; }