X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtkframe.c;h=9b81631394c455e6d3adefe903861ab7a14d012c;hb=bb3c56abe2e7916126bd4f8234dee080b5381941;hp=be0ea17139a9575437f157aaac746956262247ed;hpb=a1a252ce46b50ff199e5ee084036267455b9ec5b;p=~andy%2Fgtk diff --git a/gtk/gtkframe.c b/gtk/gtkframe.c index be0ea1713..9b8163139 100644 --- a/gtk/gtkframe.c +++ b/gtk/gtkframe.c @@ -12,9 +12,7 @@ * 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. + * License along with this library. If not, see . */ /* @@ -24,189 +22,330 @@ * 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" +#include "gtkwidgetpath.h" + +#include "a11y/gtkframeaccessible.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 -enum { - ARG_0, - ARG_LABEL, - ARG_LABEL_XALIGN, - ARG_LABEL_YALIGN, - ARG_SHADOW +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_class_init (GtkFrameClass *klass); -static void gtk_frame_init (GtkFrame *frame); -static void gtk_frame_set_arg (GtkObject *object, - GtkArg *arg, - guint arg_id); -static void gtk_frame_get_arg (GtkObject *object, - GtkArg *arg, - guint arg_id); -static void gtk_frame_paint (GtkWidget *widget, - GdkRectangle *area); -static gint gtk_frame_expose (GtkWidget *widget, - GdkEventExpose *event); -static void gtk_frame_size_request (GtkWidget *widget, - GtkRequisition *requisition); +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_map (GtkWidget *widget); -static void gtk_frame_unmap (GtkWidget *widget); 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); -static GtkBinClass *parent_class = NULL; - - -GtkType -gtk_frame_get_type (void) -{ - static GtkType frame_type = 0; - - if (!frame_type) - { - static const GtkTypeInfo frame_info = - { - "GtkFrame", - sizeof (GtkFrame), - sizeof (GtkFrameClass), - (GtkClassInitFunc) gtk_frame_class_init, - (GtkObjectInitFunc) gtk_frame_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - frame_type = gtk_type_unique (gtk_bin_get_type (), &frame_info); - } - - return frame_type; -} +/* 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) { - GtkObjectClass *object_class; + GObjectClass *gobject_class; GtkWidgetClass *widget_class; GtkContainerClass *container_class; - object_class = GTK_OBJECT_CLASS (class); + gobject_class = (GObjectClass*) class; widget_class = GTK_WIDGET_CLASS (class); container_class = GTK_CONTAINER_CLASS (class); - parent_class = gtk_type_class (gtk_bin_get_type ()); - - gtk_object_add_arg_type ("GtkFrame::label", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_LABEL); - gtk_object_add_arg_type ("GtkFrame::label_xalign", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_LABEL_XALIGN); - gtk_object_add_arg_type ("GtkFrame::label_yalign", GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_LABEL_YALIGN); - gtk_object_add_arg_type ("GtkFrame::shadow", GTK_TYPE_SHADOW_TYPE, GTK_ARG_READWRITE, ARG_SHADOW); - - object_class->set_arg = gtk_frame_set_arg; - object_class->get_arg = gtk_frame_get_arg; - - widget_class->expose_event = gtk_frame_expose; - widget_class->size_request = gtk_frame_size_request; - widget_class->size_allocate = gtk_frame_size_allocate; - widget_class->map = gtk_frame_map; - widget_class->unmap = gtk_frame_unmap; + 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)); + + gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_FRAME_ACCESSIBLE); } static void -gtk_frame_init (GtkFrame *frame) +gtk_frame_buildable_init (GtkBuildableIface *iface) { - frame->label_widget = NULL; - frame->shadow_type = GTK_SHADOW_ETCHED_IN; - frame->label_xalign = 0.0; - frame->label_yalign = 0.5; + iface->add_child = gtk_frame_buildable_add_child; } static void -gtk_frame_set_arg (GtkObject *object, - GtkArg *arg, - guint arg_id) +gtk_frame_buildable_add_child (GtkBuildable *buildable, + GtkBuilder *builder, + GObject *child, + const gchar *type) { - GtkFrame *frame; + 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); +} - frame = GTK_FRAME (object); +static void +gtk_frame_init (GtkFrame *frame) +{ + GtkFramePrivate *priv; + GtkStyleContext *context; + + frame->priv = G_TYPE_INSTANCE_GET_PRIVATE (frame, + GTK_TYPE_FRAME, + GtkFramePrivate); + priv = frame->priv; - switch (arg_id) + priv->label_widget = NULL; + priv->shadow_type = GTK_SHADOW_ETCHED_IN; + priv->label_xalign = 0.0; + priv->label_yalign = 0.5; + + context = gtk_widget_get_style_context (GTK_WIDGET (frame)); + gtk_style_context_add_class (context, GTK_STYLE_CLASS_FRAME); +} + +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 ARG_LABEL: - gtk_frame_set_label (frame, GTK_VALUE_STRING (*arg)); + case PROP_LABEL: + gtk_frame_set_label (frame, g_value_get_string (value)); break; - case ARG_LABEL_XALIGN: - gtk_frame_set_label_align (frame, GTK_VALUE_FLOAT (*arg), frame->label_yalign); + case PROP_LABEL_XALIGN: + gtk_frame_set_label_align (frame, g_value_get_float (value), + priv->label_yalign); break; - case ARG_LABEL_YALIGN: - gtk_frame_set_label_align (frame, frame->label_xalign, GTK_VALUE_FLOAT (*arg)); + case PROP_LABEL_YALIGN: + gtk_frame_set_label_align (frame, priv->label_xalign, + g_value_get_float (value)); break; - case ARG_SHADOW: - gtk_frame_set_shadow_type (frame, GTK_VALUE_ENUM (*arg)); + case PROP_SHADOW_TYPE: + gtk_frame_set_shadow_type (frame, g_value_get_enum (value)); break; - default: + 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_arg (GtkObject *object, - GtkArg *arg, - guint arg_id) +static void +gtk_frame_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) { - GtkFrame *frame; - - frame = GTK_FRAME (object); + GtkFrame *frame = GTK_FRAME (object); + GtkFramePrivate *priv = frame->priv; - switch (arg_id) + switch (prop_id) { - case ARG_LABEL: - GTK_VALUE_STRING (*arg) = gtk_frame_get_label (frame); + 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 ARG_LABEL_XALIGN: - GTK_VALUE_FLOAT (*arg) = frame->label_xalign; + case PROP_LABEL_YALIGN: + g_value_set_float (value, priv->label_yalign); break; - case ARG_LABEL_YALIGN: - GTK_VALUE_FLOAT (*arg) = frame->label_yalign; + case PROP_SHADOW_TYPE: + g_value_set_enum (value, priv->shadow_type); break; - case ARG_SHADOW: - GTK_VALUE_ENUM (*arg) = frame->shadow_type; + case PROP_LABEL_WIDGET: + g_value_set_object (value, + priv->label_widget ? + G_OBJECT (priv->label_widget) : NULL); break; default: - arg->type = GTK_TYPE_INVALID; + 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) { - GtkFrame *frame; - - frame = gtk_type_new (gtk_frame_get_type ()); - - gtk_frame_set_label (frame, label); - - return GTK_WIDGET (frame); + return g_object_new (GTK_TYPE_FRAME, "label", label, NULL); } static void @@ -214,11 +353,12 @@ gtk_frame_remove (GtkContainer *container, GtkWidget *child) { GtkFrame *frame = GTK_FRAME (container); + GtkFramePrivate *priv = frame->priv; - if (frame->label_widget == child) + if (priv->label_widget == child) gtk_frame_set_label_widget (frame, NULL); else - GTK_CONTAINER_CLASS (parent_class)->remove (container, child); + GTK_CONTAINER_CLASS (gtk_frame_parent_class)->remove (container, child); } static void @@ -229,19 +369,46 @@ gtk_frame_forall (GtkContainer *container, { GtkBin *bin = GTK_BIN (container); GtkFrame *frame = GTK_FRAME (container); + GtkFramePrivate *priv = frame->priv; + GtkWidget *child; - if (bin->child) - (* callback) (bin->child, callback_data); + child = gtk_bin_get_child (bin); + if (child) + (* callback) (child, callback_data); - if (frame->label_widget) - (* callback) (frame->label_widget, 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 (frame != NULL); g_return_if_fail (GTK_IS_FRAME (frame)); if (!label) @@ -261,23 +428,27 @@ gtk_frame_set_label (GtkFrame *frame, * gtk_frame_get_label: * @frame: a #GtkFrame * - * If the frame's label widget is a #GtkLabel, return the + * 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 value must be freed with g_free(). + * a #GtkLabel. This string is owned by GTK+ and + * must not be modified or freed. **/ -G_CONST_RETURN gchar * +const gchar * gtk_frame_get_label (GtkFrame *frame) { - g_return_val_if_fail (frame != NULL, NULL); + GtkFramePrivate *priv; + g_return_val_if_fail (GTK_IS_FRAME (frame), NULL); - if (frame->label_widget && GTK_IS_LABEL (frame->label_widget)) - return gtk_label_get_text (GTK_LABEL (frame->label_widget)); + priv = frame->priv; + + if (GTK_IS_LABEL (priv->label_widget)) + return gtk_label_get_text (GTK_LABEL (priv->label_widget)); else return NULL; } @@ -287,7 +458,7 @@ gtk_frame_get_label (GtkFrame *frame) * @frame: a #GtkFrame * @label_widget: the new label widget * - * Set the label widget for the frame. This is the widget that + * 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. **/ @@ -295,189 +466,274 @@ void gtk_frame_set_label_widget (GtkFrame *frame, GtkWidget *label_widget) { + GtkFramePrivate *priv; gboolean need_resize = FALSE; - - g_return_if_fail (frame != NULL); + 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 || label_widget->parent == NULL); - - if (frame->label_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 (frame->label_widget) + + if (priv->label_widget) { - need_resize = GTK_WIDGET_VISIBLE (frame->label_widget); - gtk_widget_unparent (frame->label_widget); + need_resize = gtk_widget_get_visible (priv->label_widget); + gtk_widget_unparent (priv->label_widget); } - frame->label_widget = label_widget; - + priv->label_widget = label_widget; + if (label_widget) { - frame->label_widget = label_widget; + priv->label_widget = label_widget; gtk_widget_set_parent (label_widget, GTK_WIDGET (frame)); - need_resize |= GTK_WIDGET_VISIBLE (label_widget); + need_resize |= gtk_widget_get_visible (label_widget); } - if (GTK_WIDGET_VISIBLE (frame) && need_resize) + 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) { - g_return_if_fail (frame != NULL); + 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); - if ((xalign != frame->label_xalign) || (yalign != frame->label_yalign)) + g_object_freeze_notify (G_OBJECT (frame)); + if (xalign != priv->label_xalign) { - frame->label_xalign = xalign; - frame->label_yalign = yalign; + priv->label_xalign = xalign; + g_object_notify (G_OBJECT (frame), "label-xalign"); + } - gtk_widget_queue_resize (GTK_WIDGET (frame)); + 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) { - g_return_if_fail (frame != NULL); + GtkFramePrivate *priv; + GtkWidget *widget; + g_return_if_fail (GTK_IS_FRAME (frame)); - if ((GtkShadowType) frame->shadow_type != type) + priv = frame->priv; + + if ((GtkShadowType) priv->shadow_type != type) { - frame->shadow_type = type; + widget = GTK_WIDGET (frame); + priv->shadow_type = type; + g_object_notify (G_OBJECT (frame), "shadow-type"); - if (GTK_WIDGET_DRAWABLE (frame)) + if (gtk_widget_is_drawable (widget)) { - gtk_widget_queue_clear (GTK_WIDGET (frame)); + gtk_widget_queue_draw (widget); } - gtk_widget_queue_resize (GTK_WIDGET (frame)); + + 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 void -gtk_frame_paint (GtkWidget *widget, - GdkRectangle *area) +get_padding_and_border (GtkFrame *frame, + GtkBorder *border) { - GtkFrame *frame; - gint x, y, width, height; + GtkStyleContext *context; + GtkStateFlags state; - if (GTK_WIDGET_DRAWABLE (widget)) - { - frame = GTK_FRAME (widget); + context = gtk_widget_get_style_context (GTK_WIDGET (frame)); + state = gtk_widget_get_state_flags (GTK_WIDGET (frame)); - x = frame->child_allocation.x - widget->style->xthickness; - y = frame->child_allocation.y - widget->style->ythickness; - width = frame->child_allocation.width + 2 * widget->style->xthickness; - height = frame->child_allocation.height + 2 * widget->style->ythickness; + gtk_style_context_get_padding (context, state, border); - if (frame->label_widget) - { - GtkRequisition child_requisition; - gfloat xalign; - gint height_extra; - gint x2; - - gtk_widget_get_child_requisition (frame->label_widget, &child_requisition); - - if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) - xalign = frame->label_xalign; - else - xalign = 1 - frame->label_xalign; - - height_extra = MAX (0, child_requisition.height - widget->style->xthickness); - y -= height_extra * (1 - frame->label_yalign); - height += height_extra * (1 - frame->label_yalign); - - x2 = widget->style->xthickness + (frame->child_allocation.width - child_requisition.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_SIDE_PAD; - - gtk_paint_shadow_gap (widget->style, widget->window, - GTK_STATE_NORMAL, frame->shadow_type, - area, widget, "frame", - x, y, width, height, - GTK_POS_TOP, - x2, child_requisition.width + 2 * LABEL_PAD); - } - else - gtk_paint_shadow (widget->style, widget->window, - GTK_STATE_NORMAL, frame->shadow_type, - area, widget, "frame", - x, y, width, height); + if (frame->priv->shadow_type != GTK_SHADOW_NONE) + { + GtkBorder tmp; + + gtk_style_context_get_border (context, state, &tmp); + border->top += tmp.top; + border->right += tmp.right; + border->bottom += tmp.bottom; + border->left += tmp.left; } } static gboolean -gtk_frame_expose (GtkWidget *widget, - GdkEventExpose *event) +gtk_frame_draw (GtkWidget *widget, + cairo_t *cr) { - GtkBin *bin = GTK_BIN (widget); - GtkFrame *frame = GTK_FRAME (widget); - GdkEventExpose child_event; + GtkFrame *frame; + GtkFramePrivate *priv; + GtkStyleContext *context; + gint x, y, width, height; + GtkAllocation allocation; + GtkBorder padding; - if (GTK_WIDGET_DRAWABLE (widget)) - { - gtk_frame_paint (widget, &event->area); + frame = GTK_FRAME (widget); + priv = frame->priv; - if (bin->child && GTK_WIDGET_NO_WINDOW (bin->child)) - { - child_event = *event; - if (gtk_widget_intersect (bin->child, &event->area, &child_event.area)) - gtk_widget_event (bin->child, (GdkEvent*) &child_event); - } - - if (frame->label_widget && GTK_WIDGET_NO_WINDOW (frame->label_widget)) - { - child_event = *event; - if (gtk_widget_intersect (frame->label_widget, &event->area, &child_event.area)) - gtk_widget_event (frame->label_widget, (GdkEvent*) &child_event); - } - } + gtk_widget_get_allocation (widget, &allocation); + get_padding_and_border (frame, &padding); + context = gtk_widget_get_style_context (widget); - return FALSE; -} + 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; -static void -gtk_frame_size_request (GtkWidget *widget, - GtkRequisition *requisition) -{ - GtkFrame *frame = GTK_FRAME (widget); - GtkBin *bin = GTK_BIN (widget); - GtkRequisition child_requisition; - - if (frame->label_widget && GTK_WIDGET_VISIBLE (frame->label_widget)) + if (priv->shadow_type != GTK_SHADOW_NONE) { - gtk_widget_size_request (frame->label_widget, &child_requisition); - - requisition->width = child_requisition.width + 2 * LABEL_PAD + 2 * LABEL_SIDE_PAD; - requisition->height = - MAX (0, child_requisition.height - GTK_WIDGET (widget)->style->xthickness); + 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; + + gtk_render_background (context, cr, x, y, width, height); + + /* 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_background (context, cr, x, y, width, height); + gtk_render_frame (context, cr, x, y, width, height); + } } else { - requisition->width = 0; - requisition->height = 0; + gtk_render_background (context, cr, x, y, width, height); } - - if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) - { - gtk_widget_size_request (bin->child, &child_requisition); - requisition->width = MAX (requisition->width, child_requisition.width); - requisition->height += child_requisition.height; - } + GTK_WIDGET_CLASS (gtk_frame_parent_class)->draw (widget, cr); - requisition->width += (GTK_CONTAINER (widget)->border_width + - GTK_WIDGET (widget)->style->xthickness) * 2; - requisition->height += (GTK_CONTAINER (widget)->border_width + - GTK_WIDGET (widget)->style->ythickness) * 2; + return FALSE; } static void @@ -485,83 +741,66 @@ 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; - widget->allocation = *allocation; + 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_MAPPED (widget) && - (new_allocation.x != frame->child_allocation.x || - new_allocation.y != frame->child_allocation.y || - new_allocation.width != frame->child_allocation.width || - new_allocation.height != frame->child_allocation.height)) - gtk_widget_queue_clear (widget); - - if (bin->child && GTK_WIDGET_VISIBLE (bin->child)) - gtk_widget_size_allocate (bin->child, &new_allocation); - - frame->child_allocation = new_allocation; - - if (frame->label_widget && GTK_WIDGET_VISIBLE (frame->label_widget)) + if (gtk_widget_get_mapped (widget)) { - GtkRequisition child_requisition; - GtkAllocation child_allocation; + 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)) + { + GtkBorder padding; + gint nat_width, width, height; gfloat xalign; - gtk_widget_get_child_requisition (frame->label_widget, &child_requisition); + get_padding_and_border (frame, &padding); if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR) - xalign = frame->label_xalign; + xalign = priv->label_xalign; else - xalign = 1 - frame->label_xalign; - - child_allocation.x = frame->child_allocation.x + LABEL_SIDE_PAD + - (frame->child_allocation.width - child_requisition.width - 2 * LABEL_PAD - 2 * LABEL_SIDE_PAD) * xalign + LABEL_PAD; - child_allocation.width = child_requisition.width; + xalign = 1 - priv->label_xalign; - child_allocation.y = frame->child_allocation.y - child_requisition.height; - child_allocation.height = child_requisition.height; + 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_size_allocate (frame->label_widget, &child_allocation); - } -} + gtk_widget_get_preferred_height_for_width (priv->label_widget, width, + &height, NULL); -static void -gtk_frame_map (GtkWidget *widget) -{ - GtkFrame *frame = GTK_FRAME (widget); - - if (frame->label_widget && - GTK_WIDGET_VISIBLE (frame->label_widget) && - !GTK_WIDGET_MAPPED (frame->label_widget)) - gtk_widget_map (frame->label_widget); - if (GTK_WIDGET_CLASS (parent_class)->map) - (* GTK_WIDGET_CLASS (parent_class)->map) (widget); -} + 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; -static void -gtk_frame_unmap (GtkWidget *widget) -{ - GtkFrame *frame = GTK_FRAME (widget); + priv->label_allocation.width = width; - if (GTK_WIDGET_CLASS (parent_class)->unmap) - (* GTK_WIDGET_CLASS (parent_class)->unmap) (widget); + priv->label_allocation.y = priv->child_allocation.y - MAX (height, padding.top); + priv->label_allocation.height = height; - if (frame->label_widget && GTK_WIDGET_MAPPED (frame->label_widget)) - gtk_widget_unmap (frame->label_widget); + gtk_widget_size_allocate (priv->label_widget, &priv->label_allocation); + } } static void gtk_frame_compute_child_allocation (GtkFrame *frame, GtkAllocation *child_allocation) { - g_return_if_fail (frame != NULL); g_return_if_fail (GTK_IS_FRAME (frame)); g_return_if_fail (child_allocation != NULL); @@ -572,28 +811,199 @@ static void gtk_frame_real_compute_child_allocation (GtkFrame *frame, GtkAllocation *child_allocation) { + GtkFramePrivate *priv = frame->priv; GtkWidget *widget = GTK_WIDGET (frame); - GtkAllocation *allocation = &widget->allocation; - GtkRequisition child_requisition; + GtkAllocation allocation; + GtkBorder padding; gint top_margin; + guint border_width; + + gtk_widget_get_allocation (widget, &allocation); + get_padding_and_border (frame, &padding); + border_width = gtk_container_get_border_width (GTK_CONTAINER (frame)); - if (frame->label_widget) + if (priv->label_widget) { - gtk_widget_get_child_requisition (frame->label_widget, &child_requisition); - top_margin = MAX (child_requisition.height, widget->style->ythickness); + 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 = widget->style->ythickness; - - child_allocation->x = (GTK_CONTAINER (frame)->border_width + - widget->style->xthickness); - child_allocation->width = MAX(1, (gint)allocation->width - child_allocation->x * 2); - - child_allocation->y = (GTK_CONTAINER (frame)->border_width + top_margin); - child_allocation->height = MAX (1, ((gint)allocation->height - child_allocation->y - - (gint)GTK_CONTAINER (frame)->border_width - - (gint)widget->style->ythickness)); - - child_allocation->x += allocation->x; - child_allocation->y += allocation->y; + 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; +} + +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; + 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; + + get_padding_and_border (frame, &padding); + border_width = gtk_container_get_border_width (GTK_CONTAINER (widget)); + + 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; + } + } + + 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; } + +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); + GtkBorder padding; + gint child_min, child_nat, label_width; + gint minimum, natural; + guint border_width; + + get_padding_and_border (frame, &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; +} + +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); +} +