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// #ifndef CHROME_VIEWS_NATIVE_CONTROL_WIN_H_// Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
// source code is governed by a BSD-style license that can be found in the
// LICENSE file.
#include "views/controls/native_control_gtk.h"
#include <gtk/gtk.h>
#include "base/logging.h"
namespace views {
NativeControlGtk::NativeControlGtk() {
}
NativeControlGtk::~NativeControlGtk() {
if (native_view())
gtk_widget_destroy(native_view());
}
////////////////////////////////////////////////////////////////////////////////
// NativeControlGtk, View overrides:
void NativeControlGtk::SetEnabled(bool enabled) {
NOTIMPLEMENTED();
if (IsEnabled() != enabled) {
View::SetEnabled(enabled);
if (native_view())
gtk_widget_set_sensitive(native_view(), IsEnabled());
}
}
void NativeControlGtk::ViewHierarchyChanged(bool is_add, View* parent,
View* child) {
// Call the base class to hide the view if we're being removed.
NativeViewHost::ViewHierarchyChanged(is_add, parent, child);
// Create the widget when we're added to a valid Widget. Many controls need a
// parent widget to function properly.
if (is_add && GetWidget() && !native_view())
CreateNativeControl();
}
void NativeControlGtk::VisibilityChanged(View* starting_from, bool is_visible) {
if (!is_visible) {
// We destroy the child widget when we become invisible because of the
// performance cost of maintaining widgets that aren't currently needed.
GtkWidget* widget = native_view();
Detach();
gtk_widget_destroy(widget);
} else if (!native_view()) {
CreateNativeControl();
}
}
void NativeControlGtk::Focus() {
DCHECK(native_view());
NOTIMPLEMENTED();
}
void NativeControlGtk::NativeControlCreated(GtkWidget* native_control) {
Attach(native_control);
// Update the newly created GtkWdigetwith any resident enabled state.
gtk_widget_set_sensitive(native_view(), IsEnabled());
}
} // namespace views
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