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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 "views/view.h"
#include "views/widget/root_view.h"
namespace views {
////////////////////////////////////////////////////////////////////////////////
// Event, protected:
Event::Event(ui::EventType type, int flags)
: type_(type),
time_stamp_(base::Time::NowFromSystemTime()),
flags_(flags) {
Init();
}
Event::Event(NativeEvent native_event, ui::EventType type, int flags)
: type_(type),
time_stamp_(base::Time::NowFromSystemTime()),
flags_(flags) {
InitWithNativeEvent(native_event);
}
Event::Event(NativeEvent2 native_event_2, ui::EventType type, int flags,
FromNativeEvent2 from_native)
: native_event_2_(native_event_2),
type_(type),
time_stamp_(base::Time::NowFromSystemTime()),
flags_(flags) {
InitWithNativeEvent2(native_event_2, from_native);
}
////////////////////////////////////////////////////////////////////////////////
// LocatedEvent, protected:
// TODO(msw): Kill this legacy constructor when we update uses.
LocatedEvent::LocatedEvent(ui::EventType type, const gfx::Point& location,
int flags)
: Event(type, flags),
location_(location) {
}
LocatedEvent::LocatedEvent(const LocatedEvent& model, View* source,
View* target)
: Event(model),
location_(model.location_) {
if (target)
View::ConvertPointToView(source, target, &location_);
}
LocatedEvent::LocatedEvent(const LocatedEvent& model, RootView* root)
: Event(model),
location_(model.location_) {
View::ConvertPointFromWidget(root, &location_);
}
////////////////////////////////////////////////////////////////////////////////
// KeyEvent, public:
KeyEvent::KeyEvent(ui::EventType type, ui::KeyboardCode key_code,
int event_flags)
: Event(type, event_flags),
key_code_(key_code) {
}
// KeyEvent, private: ---------------------------------------------------------
// static
uint16 KeyEvent::GetCharacterFromKeyCode(ui::KeyboardCode key_code, int flags) {
const bool ctrl = (flags & ui::EF_CONTROL_DOWN) != 0;
const bool shift = (flags & ui::EF_SHIFT_DOWN) != 0;
const bool upper = shift ^ ((flags & ui::EF_CAPS_LOCK_DOWN) != 0);
// Following Windows behavior to map ctrl-a ~ ctrl-z to \x01 ~ \x1A.
if (key_code >= ui::VKEY_A && key_code <= ui::VKEY_Z)
return key_code - ui::VKEY_A + (ctrl ? 1 : (upper ? 'A' : 'a'));
// Other ctrl characters
if (ctrl) {
if (shift) {
// following graphics chars require shift key to input.
switch (key_code) {
// ctrl-@ maps to \x00 (Null byte)
case ui::VKEY_2:
return 0;
// ctrl-^ maps to \x1E (Record separator, Information separator two)
case ui::VKEY_6:
return 0x1E;
// ctrl-_ maps to \x1F (Unit separator, Information separator one)
case ui::VKEY_OEM_MINUS:
return 0x1F;
// Returns 0 for all other keys to avoid inputting unexpected chars.
default:
return 0;
}
} else {
switch (key_code) {
// ctrl-[ maps to \x1B (Escape)
case ui::VKEY_OEM_4:
return 0x1B;
// ctrl-\ maps to \x1C (File separator, Information separator four)
case ui::VKEY_OEM_5:
return 0x1C;
// ctrl-] maps to \x1D (Group separator, Information separator three)
case ui::VKEY_OEM_6:
return 0x1D;
// ctrl-Enter maps to \x0A (Line feed)
case ui::VKEY_RETURN:
return 0x0A;
// Returns 0 for all other keys to avoid inputting unexpected chars.
default:
return 0;
}
}
}
// Normal characters
if (key_code >= ui::VKEY_0 && key_code <= ui::VKEY_9)
return shift ? ")!@#$%^&*("[key_code - ui::VKEY_0] : key_code;
else if (key_code >= ui::VKEY_NUMPAD0 && key_code <= ui::VKEY_NUMPAD9)
return key_code - ui::VKEY_NUMPAD0 + '0';
switch (key_code) {
case ui::VKEY_TAB:
return '\t';
case ui::VKEY_RETURN:
return '\r';
case ui::VKEY_MULTIPLY:
return '*';
case ui::VKEY_ADD:
return '+';
case ui::VKEY_SUBTRACT:
return '-';
case ui::VKEY_DECIMAL:
return '.';
case ui::VKEY_DIVIDE:
return '/';
case ui::VKEY_SPACE:
return ' ';
case ui::VKEY_OEM_1:
return shift ? ':' : ';';
case ui::VKEY_OEM_PLUS:
return shift ? '+' : '=';
case ui::VKEY_OEM_COMMA:
return shift ? '<' : ',';
case ui::VKEY_OEM_MINUS:
return shift ? '_' : '-';
case ui::VKEY_OEM_PERIOD:
return shift ? '>' : '.';
case ui::VKEY_OEM_2:
return shift ? '?' : '/';
case ui::VKEY_OEM_3:
return shift ? '~' : '`';
case ui::VKEY_OEM_4:
return shift ? '{' : '[';
case ui::VKEY_OEM_5:
return shift ? '|' : '\\';
case ui::VKEY_OEM_6:
return shift ? '}' : ']';
case ui::VKEY_OEM_7:
return shift ? '"' : '\'';
default:
return 0;
}
}
////////////////////////////////////////////////////////////////////////////////
// MouseEvent, public:
// TODO(msw): Kill this legacy constructor when we update uses.
MouseEvent::MouseEvent(ui::EventType type,
View* source,
View* target,
const gfx::Point &l,
int flags)
: LocatedEvent(MouseEvent(type, l.x(), l.y(), flags), source, target) {
}
MouseEvent::MouseEvent(const MouseEvent& model, View* source, View* target)
: LocatedEvent(model, source, target) {
}
////////////////////////////////////////////////////////////////////////////////
// TouchEvent, public:
#if defined(TOUCH_UI)
TouchEvent::TouchEvent(ui::EventType type, int x, int y, int flags,
int touch_id)
: LocatedEvent(type, gfx::Point(x, y), flags),
touch_id_(touch_id) {
}
TouchEvent::TouchEvent(ui::EventType type,
View* source,
View* target,
const gfx::Point& l,
int flags,
int touch_id)
: LocatedEvent(TouchEvent(type, l.x(), l.y(), flags, touch_id), source,
target),
touch_id_(touch_id) {
}
TouchEvent::TouchEvent(const TouchEvent& model, View* source, View* target)
: LocatedEvent(model, source, target),
touch_id_(model.touch_id_) {
}
#endif
////////////////////////////////////////////////////////////////////////////////
// MouseWheelEvent, public:
// This value matches windows WHEEL_DELTA.
// static
const int MouseWheelEvent::kWheelDelta = 120;
} // namespace views
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