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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved.
* Copyright (C) 2011 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WebEventFactory.h"
#include "PlatformKeyboardEvent.h"
#include "Scrollbar.h"
#include "WindowsKeyboardCodes.h"
#include <WebCore/GtkVersioning.h>
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <wtf/ASCIICType.h>
using namespace WebCore;
namespace WebKit {
static inline bool isGdkKeyCodeFromKeyPad(unsigned keyval)
{
return keyval >= GDK_KP_Space && keyval <= GDK_KP_9;
}
static inline WebEvent::Modifiers modifiersForEvent(const GdkEvent* event)
{
unsigned modifiers = 0;
GdkModifierType state;
// Check for a valid state in GdkEvent.
if (!gdk_event_get_state(event, &state))
return static_cast<WebEvent::Modifiers>(0);
if (state & GDK_CONTROL_MASK)
modifiers |= WebEvent::ControlKey;
if (state & GDK_SHIFT_MASK)
modifiers |= WebEvent::ShiftKey;
if (state & GDK_MOD1_MASK)
modifiers |= WebEvent::AltKey;
if (state & GDK_META_MASK)
modifiers |= WebEvent::MetaKey;
return static_cast<WebEvent::Modifiers>(modifiers);
}
static inline WebMouseEvent::Button buttonForEvent(const GdkEvent* event)
{
unsigned button = 0;
switch (event->type) {
case GDK_MOTION_NOTIFY:
button = WebMouseEvent::NoButton;
if (event->motion.state & GDK_BUTTON1_MASK)
button = WebMouseEvent::LeftButton;
else if (event->motion.state & GDK_BUTTON2_MASK)
button = WebMouseEvent::MiddleButton;
else if (event->motion.state & GDK_BUTTON3_MASK)
button = WebMouseEvent::RightButton;
break;
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
if (event->button.button == 1)
button = WebMouseEvent::LeftButton;
else if (event->button.button == 2)
button = WebMouseEvent::MiddleButton;
else if (event->button.button == 3)
button = WebMouseEvent::RightButton;
break;
default:
ASSERT_NOT_REACHED();
}
return static_cast<WebMouseEvent::Button>(button);
}
WebMouseEvent WebEventFactory::createWebMouseEvent(const GdkEvent* event, int currentClickCount)
{
double x, y, xRoot, yRoot;
gdk_event_get_coords(event, &x, &y);
gdk_event_get_root_coords(event, &xRoot, &yRoot);
WebEvent::Type type = static_cast<WebEvent::Type>(0);
switch (event->type) {
case GDK_MOTION_NOTIFY:
type = WebEvent::MouseMove;
break;
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
type = WebEvent::MouseDown;
break;
case GDK_BUTTON_RELEASE:
type = WebEvent::MouseUp;
break;
default :
ASSERT_NOT_REACHED();
}
return WebMouseEvent(type,
buttonForEvent(event),
IntPoint(x, y),
IntPoint(xRoot, yRoot),
0 /* deltaX */,
0 /* deltaY */,
0 /* deltaZ */,
currentClickCount,
modifiersForEvent(event),
gdk_event_get_time(event));
}
WebWheelEvent WebEventFactory::createWebWheelEvent(const GdkEvent* event)
{
double x, y, xRoot, yRoot;
gdk_event_get_coords(event, &x, &y);
gdk_event_get_root_coords(event, &xRoot, &yRoot);
FloatSize wheelTicks;
switch (event->scroll.direction) {
case GDK_SCROLL_UP:
wheelTicks = FloatSize(0, 1);
break;
case GDK_SCROLL_DOWN:
wheelTicks = FloatSize(0, -1);
break;
case GDK_SCROLL_LEFT:
wheelTicks = FloatSize(1, 0);
break;
case GDK_SCROLL_RIGHT:
wheelTicks = FloatSize(-1, 0);
break;
#if GTK_CHECK_VERSION(3, 3, 18)
case GDK_SCROLL_SMOOTH: {
double deltaX, deltaY;
gdk_event_get_scroll_deltas(event, &deltaX, &deltaY);
wheelTicks = FloatSize(-deltaX, -deltaY);
}
break;
#endif
default:
ASSERT_NOT_REACHED();
}
// FIXME: [GTK] Add a setting to change the pixels per line used for scrolling
// https://bugs.webkit.org/show_bug.cgi?id=54826
float step = static_cast<float>(Scrollbar::pixelsPerLineStep());
FloatSize delta(wheelTicks.width() * step, wheelTicks.height() * step);
return WebWheelEvent(WebEvent::Wheel,
IntPoint(x, y),
IntPoint(xRoot, yRoot),
delta,
wheelTicks,
WebWheelEvent::ScrollByPixelWheelEvent,
modifiersForEvent(event),
gdk_event_get_time(event));
}
WebKeyboardEvent WebEventFactory::createWebKeyboardEvent(const GdkEvent* event, const WebCore::CompositionResults& compositionResults)
{
unsigned int keyValue = event->key.keyval;
String text = compositionResults.simpleString.length() ?
compositionResults.simpleString : PlatformKeyboardEvent::singleCharacterString(keyValue);
int windowsVirtualKeyCode = compositionResults.compositionUpdated() ?
VK_PROCESSKEY : PlatformKeyboardEvent::windowsKeyCodeForGdkKeyCode(event->key.keyval);
return WebKeyboardEvent((event->type == GDK_KEY_RELEASE) ? WebEvent::KeyUp : WebEvent::KeyDown,
text,
text,
PlatformKeyboardEvent::keyIdentifierForGdkKeyCode(keyValue),
windowsVirtualKeyCode,
static_cast<int>(keyValue),
0 /* macCharCode */,
false /* isAutoRepeat */,
isGdkKeyCodeFromKeyPad(keyValue),
false /* isSystemKey */,
modifiersForEvent(event),
gdk_event_get_time(event));
}
} // namespace WebKit
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