/* 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 #include "gtkframe.h" #include "gtklabel.h" #include "gtkprivate.h" #include "gtktypebuiltins.h" #include "gtkintl.h" #include "gtkbuildable.h" /** * SECTION:gtkframe * @Short_description: A bin with a decorative frame and optional label * @Title: GtkFrame * * The frame widget is a Bin that surrounds its child * with a decorative frame and an optional label. * If present, the label is drawn in a gap in the * top side of the frame. The position of the * label can be controlled with gtk_frame_set_label_align(). * * * GtkFrame as GtkBuildable * * The GtkFrame implementation of the GtkBuildable interface * supports placing a child in the label position by specifying * "label" as the "type" attribute of a <child> element. * A normal content child can be specified without specifying * a <child> type attribute. * * * A UI definition fragment with GtkFrame * * * * * * * * * ]]> * * */ #define LABEL_PAD 1 #define LABEL_SIDE_PAD 2 struct _GtkFramePrivate { /* Properties */ GtkWidget *label_widget; gint16 shadow_type; gfloat label_xalign; gfloat label_yalign; /* Properties */ GtkAllocation child_allocation; GtkAllocation label_allocation; }; enum { PROP_0, PROP_LABEL, PROP_LABEL_XALIGN, PROP_LABEL_YALIGN, PROP_SHADOW_TYPE, PROP_LABEL_WIDGET }; static void gtk_frame_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec); static void gtk_frame_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec); static gboolean gtk_frame_draw (GtkWidget *widget, cairo_t *cr); static void gtk_frame_size_allocate (GtkWidget *widget, GtkAllocation *allocation); static void gtk_frame_remove (GtkContainer *container, GtkWidget *child); static void gtk_frame_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); static GtkWidgetPath * gtk_frame_get_path_for_child (GtkContainer *container, GtkWidget *child); static void gtk_frame_compute_child_allocation (GtkFrame *frame, GtkAllocation *child_allocation); static void gtk_frame_real_compute_child_allocation (GtkFrame *frame, GtkAllocation *child_allocation); /* GtkBuildable */ static void gtk_frame_buildable_init (GtkBuildableIface *iface); static void gtk_frame_buildable_add_child (GtkBuildable *buildable, GtkBuilder *builder, GObject *child, const gchar *type); static void gtk_frame_get_preferred_width (GtkWidget *widget, gint *minimum_size, gint *natural_size); static void gtk_frame_get_preferred_height (GtkWidget *widget, gint *minimum_size, gint *natural_size); static void gtk_frame_get_preferred_height_for_width(GtkWidget *layout, gint width, gint *minimum_height, gint *natural_height); static void gtk_frame_get_preferred_width_for_height(GtkWidget *layout, gint width, gint *minimum_height, gint *natural_height); G_DEFINE_TYPE_WITH_CODE (GtkFrame, gtk_frame, GTK_TYPE_BIN, G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, gtk_frame_buildable_init)) static void gtk_frame_class_init (GtkFrameClass *class) { GObjectClass *gobject_class; GtkWidgetClass *widget_class; GtkContainerClass *container_class; gobject_class = (GObjectClass*) class; widget_class = GTK_WIDGET_CLASS (class); container_class = GTK_CONTAINER_CLASS (class); gobject_class->set_property = gtk_frame_set_property; gobject_class->get_property = gtk_frame_get_property; g_object_class_install_property (gobject_class, PROP_LABEL, g_param_spec_string ("label", P_("Label"), P_("Text of the frame's label"), NULL, GTK_PARAM_READABLE | GTK_PARAM_WRITABLE)); g_object_class_install_property (gobject_class, PROP_LABEL_XALIGN, g_param_spec_float ("label-xalign", P_("Label xalign"), P_("The horizontal alignment of the label"), 0.0, 1.0, 0.0, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_LABEL_YALIGN, g_param_spec_float ("label-yalign", P_("Label yalign"), P_("The vertical alignment of the label"), 0.0, 1.0, 0.5, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_SHADOW_TYPE, g_param_spec_enum ("shadow-type", P_("Frame shadow"), P_("Appearance of the frame border"), GTK_TYPE_SHADOW_TYPE, GTK_SHADOW_ETCHED_IN, GTK_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_LABEL_WIDGET, g_param_spec_object ("label-widget", P_("Label widget"), P_("A widget to display in place of the usual frame label"), GTK_TYPE_WIDGET, GTK_PARAM_READWRITE)); widget_class->draw = gtk_frame_draw; widget_class->size_allocate = gtk_frame_size_allocate; widget_class->get_preferred_width = gtk_frame_get_preferred_width; widget_class->get_preferred_height = gtk_frame_get_preferred_height; widget_class->get_preferred_height_for_width = gtk_frame_get_preferred_height_for_width; widget_class->get_preferred_width_for_height = gtk_frame_get_preferred_width_for_height; container_class->remove = gtk_frame_remove; container_class->forall = gtk_frame_forall; container_class->get_path_for_child = gtk_frame_get_path_for_child; class->compute_child_allocation = gtk_frame_real_compute_child_allocation; g_type_class_add_private (class, sizeof (GtkFramePrivate)); } static void gtk_frame_buildable_init (GtkBuildableIface *iface) { iface->add_child = gtk_frame_buildable_add_child; } static void gtk_frame_buildable_add_child (GtkBuildable *buildable, GtkBuilder *builder, GObject *child, const gchar *type) { if (type && strcmp (type, "label") == 0) gtk_frame_set_label_widget (GTK_FRAME (buildable), GTK_WIDGET (child)); else if (!type) gtk_container_add (GTK_CONTAINER (buildable), GTK_WIDGET (child)); else GTK_BUILDER_WARN_INVALID_CHILD_TYPE (GTK_FRAME (buildable), type); } static void gtk_frame_init (GtkFrame *frame) { GtkFramePrivate *priv; frame->priv = G_TYPE_INSTANCE_GET_PRIVATE (frame, GTK_TYPE_FRAME, GtkFramePrivate); priv = frame->priv; priv->label_widget = NULL; priv->shadow_type = GTK_SHADOW_ETCHED_IN; priv->label_xalign = 0.0; priv->label_yalign = 0.5; } static void gtk_frame_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GtkFrame *frame = GTK_FRAME (object); GtkFramePrivate *priv = frame->priv; switch (prop_id) { case PROP_LABEL: gtk_frame_set_label (frame, g_value_get_string (value)); break; case PROP_LABEL_XALIGN: gtk_frame_set_label_align (frame, g_value_get_float (value), priv->label_yalign); break; case PROP_LABEL_YALIGN: gtk_frame_set_label_align (frame, priv->label_xalign, g_value_get_float (value)); break; case PROP_SHADOW_TYPE: gtk_frame_set_shadow_type (frame, g_value_get_enum (value)); break; case PROP_LABEL_WIDGET: gtk_frame_set_label_widget (frame, g_value_get_object (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gtk_frame_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GtkFrame *frame = GTK_FRAME (object); GtkFramePrivate *priv = frame->priv; switch (prop_id) { case PROP_LABEL: g_value_set_string (value, gtk_frame_get_label (frame)); break; case PROP_LABEL_XALIGN: g_value_set_float (value, priv->label_xalign); break; case PROP_LABEL_YALIGN: g_value_set_float (value, priv->label_yalign); break; case PROP_SHADOW_TYPE: g_value_set_enum (value, priv->shadow_type); break; case PROP_LABEL_WIDGET: g_value_set_object (value, priv->label_widget ? G_OBJECT (priv->label_widget) : NULL); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } /** * gtk_frame_new: * @label: the text to use as the label of the frame * * Creates a new #GtkFrame, with optional label @label. * If @label is %NULL, the label is omitted. * * Return value: a new #GtkFrame widget **/ GtkWidget* gtk_frame_new (const gchar *label) { return g_object_new (GTK_TYPE_FRAME, "label", label, NULL); } static void gtk_frame_remove (GtkContainer *container, GtkWidget *child) { GtkFrame *frame = GTK_FRAME (container); GtkFramePrivate *priv = frame->priv; if (priv->label_widget == child) gtk_frame_set_label_widget (frame, NULL); else GTK_CONTAINER_CLASS (gtk_frame_parent_class)->remove (container, child); } static void gtk_frame_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) { GtkBin *bin = GTK_BIN (container); GtkFrame *frame = GTK_FRAME (container); GtkFramePrivate *priv = frame->priv; GtkWidget *child; child = gtk_bin_get_child (bin); if (child) (* callback) (child, callback_data); if (priv->label_widget) (* callback) (priv->label_widget, callback_data); } static GtkWidgetPath * gtk_frame_get_path_for_child (GtkContainer *container, GtkWidget *child) { GtkFramePrivate *priv = GTK_FRAME (container)->priv; GtkWidgetPath *path; path = GTK_CONTAINER_CLASS (gtk_frame_parent_class)->get_path_for_child (container, child); if (child == priv->label_widget) gtk_widget_path_iter_add_class (path, gtk_widget_path_length (path) - 2, GTK_STYLE_CLASS_FRAME); return path; } /** * gtk_frame_set_label: * @frame: a #GtkFrame * @label: (allow-none): the text to use as the label of the frame * * Sets the text of the label. If @label is %NULL, * the current label is removed. **/ void gtk_frame_set_label (GtkFrame *frame, const gchar *label) { g_return_if_fail (GTK_IS_FRAME (frame)); if (!label) { gtk_frame_set_label_widget (frame, NULL); } else { GtkWidget *child = gtk_label_new (label); gtk_widget_show (child); gtk_frame_set_label_widget (frame, child); } } /** * gtk_frame_get_label: * @frame: a #GtkFrame * * If the frame's label widget is a #GtkLabel, returns the * text in the label widget. (The frame will have a #GtkLabel * for the label widget if a non-%NULL argument was passed * to gtk_frame_new().) * * Return value: the text in the label, or %NULL if there * was no label widget or the lable widget was not * a #GtkLabel. This string is owned by GTK+ and * must not be modified or freed. **/ const gchar * gtk_frame_get_label (GtkFrame *frame) { GtkFramePrivate *priv; g_return_val_if_fail (GTK_IS_FRAME (frame), NULL); priv = frame->priv; if (GTK_IS_LABEL (priv->label_widget)) return gtk_label_get_text (GTK_LABEL (priv->label_widget)); else return NULL; } /** * gtk_frame_set_label_widget: * @frame: a #GtkFrame * @label_widget: the new label widget * * Sets the label widget for the frame. This is the widget that * will appear embedded in the top edge of the frame as a * title. **/ void gtk_frame_set_label_widget (GtkFrame *frame, GtkWidget *label_widget) { GtkFramePrivate *priv; gboolean need_resize = FALSE; g_return_if_fail (GTK_IS_FRAME (frame)); g_return_if_fail (label_widget == NULL || GTK_IS_WIDGET (label_widget)); g_return_if_fail (label_widget == NULL || gtk_widget_get_parent (label_widget) == NULL); priv = frame->priv; if (priv->label_widget == label_widget) return; if (priv->label_widget) { need_resize = gtk_widget_get_visible (priv->label_widget); gtk_widget_unparent (priv->label_widget); } priv->label_widget = label_widget; if (label_widget) { priv->label_widget = label_widget; gtk_widget_set_parent (label_widget, GTK_WIDGET (frame)); need_resize |= gtk_widget_get_visible (label_widget); } if (gtk_widget_get_visible (GTK_WIDGET (frame)) && need_resize) gtk_widget_queue_resize (GTK_WIDGET (frame)); g_object_freeze_notify (G_OBJECT (frame)); g_object_notify (G_OBJECT (frame), "label-widget"); g_object_notify (G_OBJECT (frame), "label"); g_object_thaw_notify (G_OBJECT (frame)); } /** * gtk_frame_get_label_widget: * @frame: a #GtkFrame * * Retrieves the label widget for the frame. See * gtk_frame_set_label_widget(). * * Return value: (transfer none): the label widget, or %NULL if there is none. **/ GtkWidget * gtk_frame_get_label_widget (GtkFrame *frame) { g_return_val_if_fail (GTK_IS_FRAME (frame), NULL); return frame->priv->label_widget; } /** * gtk_frame_set_label_align: * @frame: a #GtkFrame * @xalign: The position of the label along the top edge * of the widget. A value of 0.0 represents left alignment; * 1.0 represents right alignment. * @yalign: The y alignment of the label. A value of 0.0 aligns under * the frame; 1.0 aligns above the frame. If the values are exactly * 0.0 or 1.0 the gap in the frame won't be painted because the label * will be completely above or below the frame. * * Sets the alignment of the frame widget's label. The * default values for a newly created frame are 0.0 and 0.5. **/ void gtk_frame_set_label_align (GtkFrame *frame, gfloat xalign, gfloat yalign) { GtkFramePrivate *priv; g_return_if_fail (GTK_IS_FRAME (frame)); priv = frame->priv; xalign = CLAMP (xalign, 0.0, 1.0); yalign = CLAMP (yalign, 0.0, 1.0); g_object_freeze_notify (G_OBJECT (frame)); if (xalign != priv->label_xalign) { priv->label_xalign = xalign; g_object_notify (G_OBJECT (frame), "label-xalign"); } if (yalign != priv->label_yalign) { priv->label_yalign = yalign; g_object_notify (G_OBJECT (frame), "label-yalign"); } g_object_thaw_notify (G_OBJECT (frame)); gtk_widget_queue_resize (GTK_WIDGET (frame)); } /** * gtk_frame_get_label_align: * @frame: a #GtkFrame * @xalign: (out) (allow-none): location to store X alignment of * frame's label, or %NULL * @yalign: (out) (allow-none): location to store X alignment of * frame's label, or %NULL * * Retrieves the X and Y alignment of the frame's label. See * gtk_frame_set_label_align(). **/ void gtk_frame_get_label_align (GtkFrame *frame, gfloat *xalign, gfloat *yalign) { GtkFramePrivate *priv; g_return_if_fail (GTK_IS_FRAME (frame)); priv = frame->priv; if (xalign) *xalign = priv->label_xalign; if (yalign) *yalign = priv->label_yalign; } /** * gtk_frame_set_shadow_type: * @frame: a #GtkFrame * @type: the new #GtkShadowType * * Sets the shadow type for @frame. **/ void gtk_frame_set_shadow_type (GtkFrame *frame, GtkShadowType type) { GtkFramePrivate *priv; GtkWidget *widget; g_return_if_fail (GTK_IS_FRAME (frame)); priv = frame->priv; if ((GtkShadowType) priv->shadow_type != type) { widget = GTK_WIDGET (frame); priv->shadow_type = type; g_object_notify (G_OBJECT (frame), "shadow-type"); if (gtk_widget_is_drawable (widget)) { gtk_widget_queue_draw (widget); } gtk_widget_queue_resize (widget); } } /** * gtk_frame_get_shadow_type: * @frame: a #GtkFrame * * Retrieves the shadow type of the frame. See * gtk_frame_set_shadow_type(). * * Return value: the current shadow type of the frame. **/ GtkShadowType gtk_frame_get_shadow_type (GtkFrame *frame) { g_return_val_if_fail (GTK_IS_FRAME (frame), GTK_SHADOW_ETCHED_IN); return frame->priv->shadow_type; } static gboolean gtk_frame_draw (GtkWidget *widget, cairo_t *cr) { GtkFrame *frame; GtkFramePrivate *priv; GtkStyleContext *context; GtkStateFlags state; gint x, y, width, height; GtkAllocation allocation; GtkBorder padding; frame = GTK_FRAME (widget); priv = frame->priv; context = gtk_widget_get_style_context (widget); state = gtk_widget_get_state_flags (widget); gtk_widget_get_allocation (widget, &allocation); gtk_style_context_save (context); gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME); gtk_style_context_get_padding (context, state, &padding); x = priv->child_allocation.x - allocation.x - padding.left; y = priv->child_allocation.y - allocation.y - padding.top; width = priv->child_allocation.width + padding.left + padding.right; height = priv->child_allocation.height + padding.top + padding.bottom; if (priv->shadow_type != GTK_SHADOW_NONE) { if (priv->label_widget) { gfloat xalign; gint height_extra; gint x2; if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) xalign = priv->label_xalign; else xalign = 1 - priv->label_xalign; height_extra = MAX (0, priv->label_allocation.height - padding.top) - priv->label_yalign * priv->label_allocation.height; y -= height_extra; height += height_extra; x2 = padding.left + (priv->child_allocation.width - priv->label_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_SIDE_PAD; /* If the label is completely over or under the frame we can omit the gap */ if (priv->label_yalign == 0.0 || priv->label_yalign == 1.0) gtk_render_frame (context, cr, x, y, width, height); else gtk_render_frame_gap (context, cr, x, y, width, height, GTK_POS_TOP, x2, x2 + priv->label_allocation.width + 2 * LABEL_PAD); } else gtk_render_frame (context, cr, x, y, width, height); } gtk_style_context_restore (context); GTK_WIDGET_CLASS (gtk_frame_parent_class)->draw (widget, cr); return FALSE; } static void gtk_frame_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkFrame *frame = GTK_FRAME (widget); GtkFramePrivate *priv = frame->priv; GtkBin *bin = GTK_BIN (widget); GtkAllocation new_allocation; GtkWidget *child; gtk_widget_set_allocation (widget, allocation); gtk_frame_compute_child_allocation (frame, &new_allocation); /* If the child allocation changed, that means that the frame is drawn * in a new place, so we must redraw the entire widget. */ if (gtk_widget_get_mapped (widget)) { gdk_window_invalidate_rect (gtk_widget_get_window (widget), allocation, FALSE); } child = gtk_bin_get_child (bin); if (child && gtk_widget_get_visible (child)) gtk_widget_size_allocate (child, &new_allocation); priv->child_allocation = new_allocation; if (priv->label_widget && gtk_widget_get_visible (priv->label_widget)) { GtkStyleContext *context; GtkStateFlags state; GtkBorder padding; gint nat_width, width, height; gfloat xalign; context = gtk_widget_get_style_context (widget); state = gtk_widget_get_state_flags (widget); gtk_style_context_save (context); gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME); gtk_style_context_get_padding (context, state, &padding); if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) xalign = priv->label_xalign; else xalign = 1 - priv->label_xalign; gtk_widget_get_preferred_width (priv->label_widget, NULL, &nat_width); width = new_allocation.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD; width = MIN (width, nat_width); gtk_widget_get_preferred_height_for_width (priv->label_widget, width, &height, NULL); priv->label_allocation.x = priv->child_allocation.x + LABEL_SIDE_PAD + (new_allocation.width - width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_PAD; priv->label_allocation.width = width; priv->label_allocation.y = priv->child_allocation.y - MAX (height, padding.top); priv->label_allocation.height = height; gtk_widget_size_allocate (priv->label_widget, &priv->label_allocation); gtk_style_context_restore (context); } } static void gtk_frame_compute_child_allocation (GtkFrame *frame, GtkAllocation *child_allocation) { g_return_if_fail (GTK_IS_FRAME (frame)); g_return_if_fail (child_allocation != NULL); GTK_FRAME_GET_CLASS (frame)->compute_child_allocation (frame, child_allocation); } static void gtk_frame_real_compute_child_allocation (GtkFrame *frame, GtkAllocation *child_allocation) { GtkFramePrivate *priv = frame->priv; GtkWidget *widget = GTK_WIDGET (frame); GtkAllocation allocation; GtkStyleContext *context; GtkStateFlags state; GtkBorder padding; gint top_margin; guint border_width; context = gtk_widget_get_style_context (widget); state = gtk_widget_get_state_flags (widget); gtk_style_context_save (context); gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME); gtk_style_context_get_padding (context, state, &padding); gtk_widget_get_allocation (widget, &allocation); border_width = gtk_container_get_border_width (GTK_CONTAINER (frame)); if (priv->label_widget) { gint nat_width, width, height; gtk_widget_get_preferred_width (priv->label_widget, NULL, &nat_width); width = allocation.width; width -= 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; width -= (border_width * 2) + padding.left + padding.right; width = MIN (width, nat_width); gtk_widget_get_preferred_height_for_width (priv->label_widget, width, &height, NULL); top_margin = MAX (height, padding.top); } else top_margin = padding.top; child_allocation->x = border_width + padding.left; child_allocation->y = border_width + top_margin; child_allocation->width = MAX (1, (gint) allocation.width - (border_width * 2) - padding.left - padding.right); child_allocation->height = MAX (1, ((gint) allocation.height - child_allocation->y - border_width - padding.bottom)); child_allocation->x += allocation.x; child_allocation->y += allocation.y; gtk_style_context_restore (context); } static void gtk_frame_get_preferred_size (GtkWidget *request, GtkOrientation orientation, gint *minimum_size, gint *natural_size) { GtkFrame *frame = GTK_FRAME (request); GtkFramePrivate *priv = frame->priv; GtkStyleContext *context; GtkStateFlags state; GtkBorder padding; GtkWidget *widget = GTK_WIDGET (request); GtkWidget *child; GtkBin *bin = GTK_BIN (widget); gint child_min, child_nat; gint minimum, natural; guint border_width; context = gtk_widget_get_style_context (widget); state = gtk_widget_get_state_flags (widget); gtk_style_context_save (context); gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME); gtk_style_context_get_padding (context, state, &padding); if (priv->label_widget && gtk_widget_get_visible (priv->label_widget)) { if (orientation == GTK_ORIENTATION_HORIZONTAL) { gtk_widget_get_preferred_width (priv->label_widget, &child_min, &child_nat); minimum = child_min + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; natural = child_nat + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; } else { gtk_widget_get_preferred_height (priv->label_widget, &child_min, &child_nat); minimum = MAX (0, child_min - padding.top); natural = MAX (0, child_nat - padding.top); } } else { minimum = 0; natural = 0; } child = gtk_bin_get_child (bin); if (child && gtk_widget_get_visible (child)) { if (orientation == GTK_ORIENTATION_HORIZONTAL) { gtk_widget_get_preferred_width (child, &child_min, &child_nat); minimum = MAX (minimum, child_min); natural = MAX (natural, child_nat); } else { gtk_widget_get_preferred_height (child, &child_min, &child_nat); minimum += child_min; natural += child_nat; } } border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); if (orientation == GTK_ORIENTATION_HORIZONTAL) { minimum += (border_width * 2) + padding.left + padding.right; natural += (border_width * 2) + padding.left + padding.right; } else { minimum += (border_width * 2) + padding.top + padding.bottom; natural += (border_width * 2) + padding.top + padding.bottom; } if (minimum_size) *minimum_size = minimum; if (natural_size) *natural_size = natural; gtk_style_context_restore (context); } static void gtk_frame_get_preferred_width (GtkWidget *widget, gint *minimum_size, gint *natural_size) { gtk_frame_get_preferred_size (widget, GTK_ORIENTATION_HORIZONTAL, minimum_size, natural_size); } static void gtk_frame_get_preferred_height (GtkWidget *widget, gint *minimum_size, gint *natural_size) { gtk_frame_get_preferred_size (widget, GTK_ORIENTATION_VERTICAL, minimum_size, natural_size); } static void gtk_frame_get_preferred_height_for_width (GtkWidget *request, gint width, gint *minimum_height, gint *natural_height) { GtkWidget *widget = GTK_WIDGET (request); GtkWidget *child; GtkFrame *frame = GTK_FRAME (widget); GtkFramePrivate *priv = frame->priv; GtkBin *bin = GTK_BIN (widget); GtkStyleContext *context; GtkStateFlags state; GtkBorder padding; gint child_min, child_nat, label_width; gint minimum, natural; guint border_width; context = gtk_widget_get_style_context (widget); state = gtk_widget_get_state_flags (widget); gtk_style_context_save (context); gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME); gtk_style_context_get_padding (context, state, &padding); border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); minimum = (border_width * 2) + padding.top + padding.bottom; natural = (border_width * 2) + padding.top + padding.bottom; width -= (border_width * 2) + padding.left + padding.right; label_width = width - 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; if (priv->label_widget && gtk_widget_get_visible (priv->label_widget)) { gtk_widget_get_preferred_height_for_width (priv->label_widget, label_width, &child_min, &child_nat); minimum += child_min; natural += child_nat; } child = gtk_bin_get_child (bin); if (child && gtk_widget_get_visible (child)) { gtk_widget_get_preferred_height_for_width (child, width, &child_min, &child_nat); minimum += child_min; natural += child_nat; } if (minimum_height) *minimum_height = minimum; if (natural_height) *natural_height = natural; gtk_style_context_restore (context); } static void gtk_frame_get_preferred_width_for_height (GtkWidget *widget, gint height, gint *minimum_width, gint *natural_width) { GTK_WIDGET_GET_CLASS (widget)->get_preferred_width (widget, minimum_width, natural_width); }