/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * 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, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ #include "config.h" #include "gtkorientableprivate.h" #include "gtkseparator.h" #include "gtkprivate.h" #include "gtkintl.h" /** * SECTION:gtkseparator * @Short_description: Base class for GtkHSeparator and GtkVSeparator * @Title: GtkSeparator * * The GtkSeparator widget is the base class for #GtkHSeparator and * #GtkVSeparator. It can be used in the same way as these, by setting * the "orientation" property suitably. */ struct _GtkSeparatorPrivate { GtkOrientation orientation; }; enum { PROP_0, PROP_ORIENTATION }; static void gtk_separator_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); static void gtk_separator_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); static void gtk_separator_get_preferred_width (GtkWidget *widget, gint *minimum, gint *natural); static void gtk_separator_get_preferred_height (GtkWidget *widget, gint *minimum, gint *natural); static gboolean gtk_separator_draw (GtkWidget *widget, cairo_t *cr); G_DEFINE_TYPE_WITH_CODE (GtkSeparator, gtk_separator, GTK_TYPE_WIDGET, G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE, NULL)) static void gtk_separator_class_init (GtkSeparatorClass *class) { GObjectClass *object_class = G_OBJECT_CLASS (class); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class); object_class->set_property = gtk_separator_set_property; object_class->get_property = gtk_separator_get_property; widget_class->get_preferred_width = gtk_separator_get_preferred_width; widget_class->get_preferred_height = gtk_separator_get_preferred_height; widget_class->draw = gtk_separator_draw; g_object_class_override_property (object_class, PROP_ORIENTATION, "orientation"); g_type_class_add_private (object_class, sizeof (GtkSeparatorPrivate)); } static void gtk_separator_init (GtkSeparator *separator) { GtkSeparatorPrivate *private; separator->priv = G_TYPE_INSTANCE_GET_PRIVATE (separator, GTK_TYPE_SEPARATOR, GtkSeparatorPrivate); private = separator->priv; gtk_widget_set_has_window (GTK_WIDGET (separator), FALSE); private->orientation = GTK_ORIENTATION_HORIZONTAL; } static void gtk_separator_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkSeparator *separator = GTK_SEPARATOR (object); GtkSeparatorPrivate *private = separator->priv; switch (prop_id) { case PROP_ORIENTATION: private->orientation = g_value_get_enum (value); _gtk_orientable_set_style_classes (GTK_ORIENTABLE (object)); gtk_widget_queue_resize (GTK_WIDGET (object)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_separator_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkSeparator *separator = GTK_SEPARATOR (object); GtkSeparatorPrivate *private = separator->priv; switch (prop_id) { case PROP_ORIENTATION: g_value_set_enum (value, private->orientation); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_separator_get_preferred_size (GtkWidget *widget, GtkOrientation orientation, gint *minimum, gint *natural) { GtkSeparator *separator = GTK_SEPARATOR (widget); GtkSeparatorPrivate *private = separator->priv; GtkStyleContext *context; GtkStateFlags state; GtkBorder border; gboolean wide_sep; gint sep_width; gint sep_height; context = gtk_widget_get_style_context (widget); state = gtk_widget_get_state_flags (widget); gtk_style_context_get_border (context, state, &border); gtk_widget_style_get (widget, "wide-separators", &wide_sep, "separator-width", &sep_width, "separator-height", &sep_height, NULL); if (orientation == private->orientation) { *minimum = *natural = 1; } else if (orientation == GTK_ORIENTATION_VERTICAL) { *minimum = *natural = wide_sep ? sep_height : border.top; } else { *minimum = *natural = wide_sep ? sep_width : border.left; } } static void gtk_separator_get_preferred_width (GtkWidget *widget, gint *minimum, gint *natural) { gtk_separator_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum, natural); } static void gtk_separator_get_preferred_height (GtkWidget *widget, gint *minimum, gint *natural) { gtk_separator_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, minimum, natural); } static gboolean gtk_separator_draw (GtkWidget *widget, cairo_t *cr) { GtkSeparator *separator = GTK_SEPARATOR (widget); GtkSeparatorPrivate *private = separator->priv; GtkStateFlags state; GtkStyleContext *context; GtkBorder padding; gboolean wide_separators; gint separator_width; gint separator_height; int width, height; context = gtk_widget_get_style_context (widget); gtk_widget_style_get (widget, "wide-separators", &wide_separators, "separator-width", &separator_width, "separator-height", &separator_height, NULL); state = gtk_widget_get_state_flags (widget); width = gtk_widget_get_allocated_width (widget); height = gtk_widget_get_allocated_height (widget); gtk_style_context_get_padding (context, state, &padding); gtk_style_context_save (context); gtk_style_context_set_state (context, state); if (private->orientation == GTK_ORIENTATION_HORIZONTAL) { if (wide_separators) gtk_render_frame (context, cr, 0, (height - separator_height) / 2, width, separator_height); else gtk_render_line (context, cr, 0, (height - padding.top) / 2, width - 1, (height - padding.top) / 2); } else { if (wide_separators) gtk_render_frame (context, cr, (width - separator_width) / 2, 0, separator_width, height); else gtk_render_line (context, cr, (width - padding.left) / 2, 0, (width - padding.left) / 2, height - 1); } return FALSE; } /** * gtk_separator_new: * @orientation: the separator's orientation. * * Creates a new #GtkSeparator with the given orientation. * * Return value: a new #GtkSeparator. * * Since: 3.0 */ GtkWidget * gtk_separator_new (GtkOrientation orientation) { return g_object_new (GTK_TYPE_SEPARATOR, "orientation", orientation, NULL); }