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// Copyright 2014 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.
#import "ui/events/cocoa/cocoa_event_utils.h"
#include "ui/events/event_constants.h"
#include "ui/events/event_utils.h"
namespace {
bool IsLeftButtonEvent(NSEvent* event) {
NSEventType type = [event type];
return type == NSLeftMouseDown || type == NSLeftMouseDragged ||
type == NSLeftMouseUp;
}
bool IsRightButtonEvent(NSEvent* event) {
NSEventType type = [event type];
return type == NSRightMouseDown || type == NSRightMouseDragged ||
type == NSRightMouseUp;
}
bool IsMiddleButtonEvent(NSEvent* event) {
if ([event buttonNumber] != 2)
return false;
NSEventType type = [event type];
return type == NSOtherMouseDown || type == NSOtherMouseDragged ||
type == NSOtherMouseUp;
}
} // namespace
namespace ui {
int EventFlagsFromModifiers(NSUInteger modifiers) {
int flags = 0;
flags |= (modifiers & NSAlphaShiftKeyMask) ? ui::EF_CAPS_LOCK_DOWN : 0;
flags |= (modifiers & NSShiftKeyMask) ? ui::EF_SHIFT_DOWN : 0;
flags |= (modifiers & NSControlKeyMask) ? ui::EF_CONTROL_DOWN : 0;
flags |= (modifiers & NSAlternateKeyMask) ? ui::EF_ALT_DOWN : 0;
flags |= (modifiers & NSCommandKeyMask) ? ui::EF_COMMAND_DOWN : 0;
return flags;
}
int EventFlagsFromNSEventWithModifiers(NSEvent* event, NSUInteger modifiers) {
int flags = EventFlagsFromModifiers(modifiers);
flags |= IsLeftButtonEvent(event) ? ui::EF_LEFT_MOUSE_BUTTON : 0;
flags |= IsRightButtonEvent(event) ? ui::EF_RIGHT_MOUSE_BUTTON : 0;
flags |= IsMiddleButtonEvent(event) ? ui::EF_MIDDLE_MOUSE_BUTTON : 0;
return flags;
}
} // namespace ui
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