gecko-dev/widget/EventForwards.h
Masayuki Nakano af6a1c5d37 Bug 1403759 - part 2: Handle edit/selection commands like insertNewline: in TextInputHandler::HandleCommand() r=m_kato
Let's make TextInputHandler::HandleCommand() handle other
commands which are caused by Backspace, Delete, Tab, ArrowUp,
ArrowDown, ArrowRight, ArrowLeft, PageUp, PageDown, Home, End
and Escape keys with various modifiers.

This patch makes Korean users can do most key operation in
editor even with composing Hangul character.

Note that this patch has a hack for cancelOperation: command.
The command is typically fired for Escape key press.  However,
it's also fired for Command + Period.  Unfortunately, this
behavior is really odd if subclass of NSResponder implements
|void cancelOperation:(id)sender|.  If it's implemented,
Cocoa doesn't call its |void keyDown:(NSEvent)theEvent|.
Instead, it calls only |void doCommandBySelector:(SEL)aSelector|
and |void cancelOperation:(id)sender| when Command + Period is
pressed.  Therefore, we cannot dispatch keydown nor keypress
event for this key combination if we implement it.  Therefore,
this patch doesn't implement the method but handle it in
doCommandBySelector even though the super class of ChildView
cannot handle the command with this path.

MozReview-Commit-ID: 4hS23SiwNJv

--HG--
extra : rebase_source : 38ac1ea494b5f786ecd5c9327efbacd460b59faf
2017-12-02 14:53:10 +09:00

180 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_EventForwards_h__
#define mozilla_EventForwards_h__
#include <stdint.h>
#include "nsStringFwd.h"
#include "nsTArray.h"
/**
* XXX Following enums should be in BasicEvents.h. However, currently, it's
* impossible to use foward delearation for enum.
*/
/**
* Return status for event processors.
*/
enum nsEventStatus
{
// The event is ignored, do default processing
nsEventStatus_eIgnore,
// The event is consumed, don't do default processing
nsEventStatus_eConsumeNoDefault,
// The event is consumed, but do default processing
nsEventStatus_eConsumeDoDefault,
// Value is not for use, only for serialization
nsEventStatus_eSentinel
};
namespace mozilla {
/**
* Event messages
*/
typedef uint16_t EventMessageType;
enum EventMessage : EventMessageType
{
#define NS_EVENT_MESSAGE(aMessage) aMessage,
#define NS_EVENT_MESSAGE_FIRST_LAST(aMessage, aFirst, aLast) \
aMessage##First = aFirst, aMessage##Last = aLast,
#include "mozilla/EventMessageList.h"
#undef NS_EVENT_MESSAGE
#undef NS_EVENT_MESSAGE_FIRST_LAST
// For preventing bustage due to "," after the last item.
eEventMessage_MaxValue
};
const char* ToChar(EventMessage aEventMessage);
/**
* Event class IDs
*/
typedef uint8_t EventClassIDType;
enum EventClassID : EventClassIDType
{
// The event class name will be:
// eBasicEventClass for WidgetEvent
// eFooEventClass for WidgetFooEvent or InternalFooEvent
#define NS_ROOT_EVENT_CLASS(aPrefix, aName) eBasic##aName##Class
#define NS_EVENT_CLASS(aPrefix, aName) , e##aName##Class
#include "mozilla/EventClassList.h"
#undef NS_EVENT_CLASS
#undef NS_ROOT_EVENT_CLASS
};
const char* ToChar(EventClassID aEventClassID);
typedef uint16_t Modifiers;
#define NS_DEFINE_KEYNAME(aCPPName, aDOMKeyName) \
KEY_NAME_INDEX_##aCPPName,
typedef uint16_t KeyNameIndexType;
enum KeyNameIndex : KeyNameIndexType
{
#include "mozilla/KeyNameList.h"
// If a DOM keyboard event is synthesized by script, this is used. Then,
// specified key name should be stored and use it as .key value.
KEY_NAME_INDEX_USE_STRING
};
#undef NS_DEFINE_KEYNAME
const nsCString ToString(KeyNameIndex aKeyNameIndex);
#define NS_DEFINE_PHYSICAL_KEY_CODE_NAME(aCPPName, aDOMCodeName) \
CODE_NAME_INDEX_##aCPPName,
typedef uint8_t CodeNameIndexType;
enum CodeNameIndex : CodeNameIndexType
{
#include "mozilla/PhysicalKeyCodeNameList.h"
// If a DOM keyboard event is synthesized by script, this is used. Then,
// specified code name should be stored and use it as .code value.
CODE_NAME_INDEX_USE_STRING
};
#undef NS_DEFINE_PHYSICAL_KEY_CODE_NAME
const nsCString ToString(CodeNameIndex aCodeNameIndex);
#define NS_DEFINE_COMMAND(aName, aCommandStr) , Command##aName
#define NS_DEFINE_COMMAND_NO_EXEC_COMMAND(aName) , Command##aName
typedef int8_t CommandInt;
enum Command : CommandInt
{
CommandDoNothing
#include "mozilla/CommandList.h"
};
#undef NS_DEFINE_COMMAND
#undef NS_DEFINE_COMMAND_NO_EXEC_COMMAND
const char* ToChar(Command aCommand);
} // namespace mozilla
/**
* All header files should include this header instead of *Events.h.
*/
namespace mozilla {
#define NS_EVENT_CLASS(aPrefix, aName) class aPrefix##aName;
#define NS_ROOT_EVENT_CLASS(aPrefix, aName) NS_EVENT_CLASS(aPrefix, aName)
#include "mozilla/EventClassList.h"
#undef NS_EVENT_CLASS
#undef NS_ROOT_EVENT_CLASS
// BasicEvents.h
struct BaseEventFlags;
struct EventFlags;
class WidgetEventTime;
class NativeEventData;
// TextEvents.h
enum class AccessKeyType;
struct AlternativeCharCode;
struct ShortcutKeyCandidate;
typedef nsTArray<ShortcutKeyCandidate> ShortcutKeyCandidateArray;
typedef AutoTArray<ShortcutKeyCandidate, 10> AutoShortcutKeyCandidateArray;
// TextRange.h
typedef uint8_t RawTextRangeType;
enum class TextRangeType : RawTextRangeType;
struct TextRangeStyle;
struct TextRange;
class EditCommands;
class TextRangeArray;
// FontRange.h
struct FontRange;
} // namespace mozilla
#endif // mozilla_EventForwards_h__