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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 "ui/aura/event.h"
#if defined(USE_X11)
#include <X11/Xlib.h>
#endif
#include "ui/aura/window.h"
#include "ui/base/keycodes/keyboard_code_conversion.h"
#include "ui/gfx/point3.h"
#include "ui/gfx/transform.h"
#if defined(USE_X11)
#include "ui/base/keycodes/keyboard_code_conversion_x.h"
#endif
namespace aura {
Event::Event(ui::EventType type, int flags)
: type_(type),
time_stamp_(base::Time::NowFromSystemTime()),
flags_(flags) {
Init();
}
Event::Event(const base::NativeEvent& native_event,
ui::EventType type,
int flags)
: type_(type),
time_stamp_(base::Time::NowFromSystemTime()),
flags_(flags) {
InitWithNativeEvent(native_event);
}
Event::Event(const Event& copy)
: native_event_(copy.native_event_),
type_(copy.type_),
time_stamp_(copy.time_stamp_),
flags_(copy.flags_) {
}
void Event::Init() {
memset(&native_event_, 0, sizeof(native_event_));
}
void Event::InitWithNativeEvent(const base::NativeEvent& native_event) {
native_event_ = native_event;
}
LocatedEvent::LocatedEvent(const base::NativeEvent& native_event)
: Event(native_event,
ui::EventTypeFromNative(native_event),
ui::EventFlagsFromNative(native_event)),
location_(ui::EventLocationFromNative(native_event)) {
}
LocatedEvent::LocatedEvent(const LocatedEvent& model,
Window* source,
Window* target)
: Event(model),
location_(model.location_) {
if (target && target != source)
Window::ConvertPointToWindow(source, target, &location_);
}
LocatedEvent::LocatedEvent(ui::EventType type,
const gfx::Point& location,
int flags)
: Event(type, flags),
location_(location) {
}
void LocatedEvent::UpdateForTransform(const ui::Transform& transform) {
gfx::Point3f p(location_);
transform.TransformPointReverse(p);
location_ = p.AsPoint();
}
MouseEvent::MouseEvent(const base::NativeEvent& native_event)
: LocatedEvent(native_event) {
}
MouseEvent::MouseEvent(const MouseEvent& model, Window* source, Window* target)
: LocatedEvent(model, source, target) {
}
MouseEvent::MouseEvent(const MouseEvent& model,
Window* source,
Window* target,
ui::EventType type,
int flags)
: LocatedEvent(model, source, target) {
set_type(type);
set_flags(flags);
}
MouseEvent::MouseEvent(ui::EventType type,
const gfx::Point& location,
int flags)
: LocatedEvent(type, location, flags) {
}
TouchEvent::TouchEvent(const base::NativeEvent& native_event)
: LocatedEvent(native_event),
touch_id_(ui::GetTouchId(native_event)),
radius_x_(ui::GetTouchRadiusX(native_event)),
radius_y_(ui::GetTouchRadiusY(native_event)),
rotation_angle_(ui::GetTouchAngle(native_event)),
force_(ui::GetTouchForce(native_event)) {
}
TouchEvent::TouchEvent(const TouchEvent& model,
Window* source,
Window* target)
: LocatedEvent(model, source, target),
touch_id_(model.touch_id_),
radius_x_(model.radius_x_),
radius_y_(model.radius_y_),
rotation_angle_(model.rotation_angle_),
force_(model.force_) {
}
TouchEvent::TouchEvent(ui::EventType type,
const gfx::Point& location,
int touch_id)
: LocatedEvent(type, location, 0),
touch_id_(touch_id),
radius_x_(1.0f),
radius_y_(1.0f),
rotation_angle_(0.0f),
force_(0.0f) {
}
KeyEvent::KeyEvent(const base::NativeEvent& native_event, bool is_char)
: Event(native_event,
ui::EventTypeFromNative(native_event),
ui::EventFlagsFromNative(native_event)),
key_code_(ui::KeyboardCodeFromNative(native_event)),
is_char_(is_char),
character_(0),
unmodified_character_(0) {
}
KeyEvent::KeyEvent(ui::EventType type,
ui::KeyboardCode key_code,
int flags)
: Event(type, flags),
key_code_(key_code),
is_char_(false),
character_(ui::GetCharacterFromKeyCode(key_code, flags)),
unmodified_character_(0) {
}
uint16 KeyEvent::GetCharacter() const {
if (character_)
return character_;
#if defined(OS_WIN)
return (native_event().message == WM_CHAR) ? key_code_ :
ui::GetCharacterFromKeyCode(key_code_, flags());
#elif defined(USE_X11)
if (!native_event())
return ui::GetCharacterFromKeyCode(key_code_, flags());
DCHECK(native_event()->type == KeyPress ||
native_event()->type == KeyRelease);
uint16 ch = ui::DefaultSymbolFromXEvent(native_event());
return ch ? ch : ui::GetCharacterFromKeyCode(key_code_, flags());
#else
NOTIMPLEMENTED();
return 0;
#endif
}
uint16 KeyEvent::GetUnmodifiedCharacter() const {
if (unmodified_character_)
return unmodified_character_;
#if defined(OS_WIN)
// Looks like there is no way to get unmodified character on Windows.
return (native_event().message == WM_CHAR) ? key_code_ :
ui::GetCharacterFromKeyCode(key_code_, flags() & ui::EF_SHIFT_DOWN);
#elif defined(USE_X11)
if (!native_event())
return ui::GetCharacterFromKeyCode(key_code_, flags() & ui::EF_SHIFT_DOWN);
DCHECK(native_event()->type == KeyPress ||
native_event()->type == KeyRelease);
XKeyEvent *key = &native_event()->xkey;
static const unsigned int kIgnoredModifiers = ControlMask | LockMask |
Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask;
// We can't use things like (key.state & ShiftMask), as it may mask out bits
// used by X11 internally.
key->state &= ~kIgnoredModifiers;
uint16 ch = ui::DefaultSymbolFromXEvent(native_event());
return ch ? ch :
ui::GetCharacterFromKeyCode(key_code_, flags() & ui::EF_SHIFT_DOWN);
#else
NOTIMPLEMENTED();
return 0;
#endif
}
} // namespace aura
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