mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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fixed: Derive from GtkWidget
This commit is contained in:
Matthias Clasen
parent
0d57abfe65
commit
741a9cb320
141
gtk/gtkfixed.c
141
gtk/gtkfixed.c
@ -75,38 +75,119 @@
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#include "gtkintl.h"
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#include "gtkprivate.h"
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#include "gtkwidgetprivate.h"
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static void gtk_fixed_add (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_fixed_forall (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data);
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static GType gtk_fixed_child_type (GtkContainer *container);
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#include "gtkbuildable.h"
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typedef struct {
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GtkLayoutManager *layout;
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} GtkFixedPrivate;
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G_DEFINE_TYPE_WITH_PRIVATE (GtkFixed, gtk_fixed, GTK_TYPE_CONTAINER)
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static void gtk_fixed_buildable_iface_init (GtkBuildableIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkFixed, gtk_fixed, GTK_TYPE_WIDGET,
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G_ADD_PRIVATE (GtkFixed)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
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gtk_fixed_buildable_iface_init))
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static void
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gtk_fixed_compute_expand (GtkWidget *widget,
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gboolean *hexpand_p,
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gboolean *vexpand_p)
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{
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GtkWidget *w;
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gboolean hexpand = FALSE;
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gboolean vexpand = FALSE;
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for (w = gtk_widget_get_first_child (widget);
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w != NULL;
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w = gtk_widget_get_next_sibling (w))
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{
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hexpand = hexpand || gtk_widget_compute_expand (w, GTK_ORIENTATION_HORIZONTAL);
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vexpand = vexpand || gtk_widget_compute_expand (w, GTK_ORIENTATION_VERTICAL);
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}
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*hexpand_p = hexpand;
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*vexpand_p = vexpand;
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}
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static GtkSizeRequestMode
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gtk_fixed_get_request_mode (GtkWidget *widget)
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{
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GtkWidget *w;
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int wfh = 0, hfw = 0;
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for (w = gtk_widget_get_first_child (widget);
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w != NULL;
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w = gtk_widget_get_next_sibling (w))
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{
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GtkSizeRequestMode mode = gtk_widget_get_request_mode (w);
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switch (mode)
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{
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case GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH:
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hfw ++;
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break;
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case GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT:
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wfh ++;
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break;
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case GTK_SIZE_REQUEST_CONSTANT_SIZE:
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default:
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break;
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}
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}
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if (hfw == 0 && wfh == 0)
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return GTK_SIZE_REQUEST_CONSTANT_SIZE;
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else
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return wfh > hfw ?
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GTK_SIZE_REQUEST_WIDTH_FOR_HEIGHT :
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GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
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}
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static void
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gtk_fixed_dispose (GObject *object)
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{
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GtkWidget *child;
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while ((child = gtk_widget_get_first_child (GTK_WIDGET (object))))
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gtk_fixed_remove (GTK_FIXED (object), child);
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G_OBJECT_CLASS (gtk_fixed_parent_class)->dispose (object);
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}
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static void
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gtk_fixed_class_init (GtkFixedClass *klass)
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{
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GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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container_class->add = gtk_fixed_add;
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container_class->remove = gtk_fixed_remove;
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container_class->forall = gtk_fixed_forall;
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container_class->child_type = gtk_fixed_child_type;
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object_class->dispose = gtk_fixed_dispose;
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widget_class->compute_expand = gtk_fixed_compute_expand;
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widget_class->get_request_mode = gtk_fixed_get_request_mode;
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gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_FIXED_LAYOUT);
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}
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static GType
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gtk_fixed_child_type (GtkContainer *container)
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static GtkBuildableIface *parent_buildable_iface;
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static void
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gtk_fixed_buildable_add_child (GtkBuildable *buildable,
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GtkBuilder *builder,
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GObject *child,
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const gchar *type)
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{
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return GTK_TYPE_WIDGET;
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if (GTK_IS_WIDGET (child))
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gtk_fixed_put (GTK_FIXED (buildable), GTK_WIDGET (child), 0, 0);
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else
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parent_buildable_iface->add_child (buildable, builder, child, type);
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}
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static void
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gtk_fixed_buildable_iface_init (GtkBuildableIface *iface)
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{
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parent_buildable_iface = g_type_interface_peek_parent (iface);
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iface->add_child = gtk_fixed_buildable_add_child;
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}
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static void
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@ -116,7 +197,7 @@ gtk_fixed_init (GtkFixed *self)
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gtk_widget_set_overflow (GTK_WIDGET (self), GTK_OVERFLOW_HIDDEN);
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priv->layout = gtk_widget_get_layout_manager (GTK_WIDGET (self));
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priv->layout = gtk_widget_get_layout_manager (GTK_WIDGET (self));
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}
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/**
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@ -287,13 +368,6 @@ gtk_fixed_move (GtkFixed *fixed,
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gsk_transform_unref (transform);
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}
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static void
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gtk_fixed_add (GtkContainer *container,
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GtkWidget *widget)
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{
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gtk_fixed_put (GTK_FIXED (container), widget, 0, 0);
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}
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/**
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* gtk_fixed_remove:
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* @fixed: a #GtkFixed
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@ -312,22 +386,3 @@ gtk_fixed_remove (GtkFixed *fixed,
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gtk_widget_unparent (widget);
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}
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static void
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gtk_fixed_forall (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data)
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{
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GtkWidget *widget = GTK_WIDGET (container);
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GtkWidget *child;
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child = gtk_widget_get_first_child (widget);
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while (child)
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{
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GtkWidget *next = gtk_widget_get_next_sibling (child);
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(* callback) (child, callback_data);
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child = next;
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}
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}
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@ -30,7 +30,7 @@
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#include <gtk/gtkcontainer.h>
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#include <gtk/gtkwidget.h>
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G_BEGIN_DECLS
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@ -47,12 +47,12 @@ typedef struct _GtkFixedClass GtkFixedClass;
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struct _GtkFixed
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{
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GtkContainer parent_instance;
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GtkWidget parent_instance;
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};
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struct _GtkFixedClass
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{
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GtkContainerClass parent_class;
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GtkWidgetClass parent_class;
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/*< private >*/
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