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// Copyright (c) 2011 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/events/event.h"
#include <gdk/gdk.h>
#include "base/logging.h"
#include "ui/base/keycodes/keyboard_code_conversion_gtk.h"
namespace views {
namespace {
ui::EventType EventTypeFromNative(NativeEvent native_event) {
switch (native_event->type) {
case GDK_KEY_PRESS:
return ui::ET_KEY_PRESSED;
case GDK_KEY_RELEASE:
return ui::ET_KEY_RELEASED;
default:
NOTREACHED();
break;
}
return ui::ET_UNKNOWN;
}
GdkEventKey* GetGdkEventKeyFromNative(NativeEvent native_event) {
DCHECK(native_event->type == GDK_KEY_PRESS ||
native_event->type == GDK_KEY_RELEASE);
return &native_event->key;
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// Event, public:
// static
int Event::GetFlagsFromGdkState(int state) {
int flags = 0;
if (state & GDK_LOCK_MASK)
flags |= ui::EF_CAPS_LOCK_DOWN;
if (state & GDK_CONTROL_MASK)
flags |= ui::EF_CONTROL_DOWN;
if (state & GDK_SHIFT_MASK)
flags |= ui::EF_SHIFT_DOWN;
if (state & GDK_MOD1_MASK)
flags |= ui::EF_ALT_DOWN;
if (state & GDK_BUTTON1_MASK)
flags |= ui::EF_LEFT_BUTTON_DOWN;
if (state & GDK_BUTTON2_MASK)
flags |= ui::EF_MIDDLE_BUTTON_DOWN;
if (state & GDK_BUTTON3_MASK)
flags |= ui::EF_RIGHT_BUTTON_DOWN;
return flags;
}
////////////////////////////////////////////////////////////////////////////////
// Event, private:
void Event::Init() {
native_event_ = NULL;
native_event_2_ = NULL;
}
void Event::InitWithNativeEvent(NativeEvent native_event) {
native_event_ = native_event;
// TODO(beng): remove once we rid views of Gtk/Gdk.
native_event_2_ = NULL;
}
#if !defined(TOUCH_UI)
void Event::InitWithNativeEvent2(NativeEvent2 native_event_2,
FromNativeEvent2) {
// No one should ever call this on non-Touch Linux.
// TODO(beng): remove once we rid views of Gtk/Gdk.
NOTREACHED();
native_event_2_ = NULL;
}
#endif
////////////////////////////////////////////////////////////////////////////////
// KeyEvent, public:
KeyEvent::KeyEvent(NativeEvent native_event)
: Event(native_event, EventTypeFromNative(native_event),
GetFlagsFromGdkState(
GetGdkEventKeyFromNative(native_event)->state)),
key_code_(ui::WindowsKeyCodeForGdkKeyCode(
GetGdkEventKeyFromNative(native_event)->keyval)) {
}
#if !defined(TOUCH_UI)
KeyEvent::KeyEvent(NativeEvent2 native_event_2, FromNativeEvent2 from_native)
: Event(native_event_2, ui::ET_UNKNOWN, 0, from_native) {
// No one should ever call this on Gtk-views.
// TODO(beng): remove once we rid views of Gtk/Gdk.
NOTREACHED();
}
#endif
} // namespace views
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