mirror of
https://github.com/mozilla/gecko-dev.git
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293 lines
11 KiB
Plaintext
293 lines
11 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "NativeKeyBindings.h"
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#include "nsTArray.h"
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#include "nsCocoaUtils.h"
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#include "mozilla/Logging.h"
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#include "mozilla/TextEvents.h"
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namespace mozilla {
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namespace widget {
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PRLogModuleInfo* gNativeKeyBindingsLog = nullptr;
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NativeKeyBindings* NativeKeyBindings::sInstanceForSingleLineEditor = nullptr;
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NativeKeyBindings* NativeKeyBindings::sInstanceForMultiLineEditor = nullptr;
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// static
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NativeKeyBindings*
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NativeKeyBindings::GetInstance(NativeKeyBindingsType aType)
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{
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switch (aType) {
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case nsIWidget::NativeKeyBindingsForSingleLineEditor:
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if (!sInstanceForSingleLineEditor) {
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sInstanceForSingleLineEditor = new NativeKeyBindings();
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sInstanceForSingleLineEditor->Init(aType);
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}
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return sInstanceForSingleLineEditor;
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case nsIWidget::NativeKeyBindingsForMultiLineEditor:
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case nsIWidget::NativeKeyBindingsForRichTextEditor:
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if (!sInstanceForMultiLineEditor) {
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sInstanceForMultiLineEditor = new NativeKeyBindings();
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sInstanceForMultiLineEditor->Init(aType);
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}
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return sInstanceForMultiLineEditor;
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default:
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MOZ_CRASH("Not implemented");
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return nullptr;
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}
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}
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// static
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void
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NativeKeyBindings::Shutdown()
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{
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delete sInstanceForSingleLineEditor;
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sInstanceForSingleLineEditor = nullptr;
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delete sInstanceForMultiLineEditor;
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sInstanceForMultiLineEditor = nullptr;
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}
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NativeKeyBindings::NativeKeyBindings()
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{
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}
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#define SEL_TO_COMMAND(aSel, aCommand) \
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mSelectorToCommand.Put( \
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reinterpret_cast<struct objc_selector *>(@selector(aSel)), aCommand)
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void
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NativeKeyBindings::Init(NativeKeyBindingsType aType)
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{
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if (!gNativeKeyBindingsLog) {
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gNativeKeyBindingsLog = PR_NewLogModule("NativeKeyBindings");
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}
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::Init", this));
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// Many selectors have a one-to-one mapping to a Gecko command. Those mappings
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// are registered in mSelectorToCommand.
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// Selectors from NSResponder's "Responding to Action Messages" section and
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// from NSText's "Action Methods for Editing" section
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// TODO: Improves correctness of left / right meaning
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// TODO: Add real paragraph motions
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// SEL_TO_COMMAND(cancelOperation:, );
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// SEL_TO_COMMAND(capitalizeWord:, );
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// SEL_TO_COMMAND(centerSelectionInVisibleArea:, );
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// SEL_TO_COMMAND(changeCaseOfLetter:, );
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// SEL_TO_COMMAND(complete:, );
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SEL_TO_COMMAND(copy:, CommandCopy);
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// SEL_TO_COMMAND(copyFont:, );
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// SEL_TO_COMMAND(copyRuler:, );
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SEL_TO_COMMAND(cut:, CommandCut);
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SEL_TO_COMMAND(delete:, CommandDelete);
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SEL_TO_COMMAND(deleteBackward:, CommandDeleteCharBackward);
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// SEL_TO_COMMAND(deleteBackwardByDecomposingPreviousCharacter:, );
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SEL_TO_COMMAND(deleteForward:, CommandDeleteCharForward);
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// TODO: deleteTo* selectors are also supposed to add text to a kill buffer
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SEL_TO_COMMAND(deleteToBeginningOfLine:, CommandDeleteToBeginningOfLine);
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SEL_TO_COMMAND(deleteToBeginningOfParagraph:, CommandDeleteToBeginningOfLine);
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SEL_TO_COMMAND(deleteToEndOfLine:, CommandDeleteToEndOfLine);
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SEL_TO_COMMAND(deleteToEndOfParagraph:, CommandDeleteToEndOfLine);
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// SEL_TO_COMMAND(deleteToMark:, );
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SEL_TO_COMMAND(deleteWordBackward:, CommandDeleteWordBackward);
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SEL_TO_COMMAND(deleteWordForward:, CommandDeleteWordForward);
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// SEL_TO_COMMAND(indent:, );
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// SEL_TO_COMMAND(insertBacktab:, );
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// SEL_TO_COMMAND(insertContainerBreak:, );
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// SEL_TO_COMMAND(insertLineBreak:, );
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// SEL_TO_COMMAND(insertNewline:, );
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// SEL_TO_COMMAND(insertNewlineIgnoringFieldEditor:, );
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// SEL_TO_COMMAND(insertParagraphSeparator:, );
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// SEL_TO_COMMAND(insertTab:, );
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// SEL_TO_COMMAND(insertTabIgnoringFieldEditor:, );
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// SEL_TO_COMMAND(insertDoubleQuoteIgnoringSubstitution:, );
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// SEL_TO_COMMAND(insertSingleQuoteIgnoringSubstitution:, );
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// SEL_TO_COMMAND(lowercaseWord:, );
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SEL_TO_COMMAND(moveBackward:, CommandCharPrevious);
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SEL_TO_COMMAND(moveBackwardAndModifySelection:, CommandSelectCharPrevious);
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if (aType == nsIWidget::NativeKeyBindingsForSingleLineEditor) {
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SEL_TO_COMMAND(moveDown:, CommandEndLine);
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} else {
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SEL_TO_COMMAND(moveDown:, CommandLineNext);
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}
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SEL_TO_COMMAND(moveDownAndModifySelection:, CommandSelectLineNext);
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SEL_TO_COMMAND(moveForward:, CommandCharNext);
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SEL_TO_COMMAND(moveForwardAndModifySelection:, CommandSelectCharNext);
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SEL_TO_COMMAND(moveLeft:, CommandCharPrevious);
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SEL_TO_COMMAND(moveLeftAndModifySelection:, CommandSelectCharPrevious);
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SEL_TO_COMMAND(moveParagraphBackwardAndModifySelection:,
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CommandSelectBeginLine);
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SEL_TO_COMMAND(moveParagraphForwardAndModifySelection:, CommandSelectEndLine);
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SEL_TO_COMMAND(moveRight:, CommandCharNext);
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SEL_TO_COMMAND(moveRightAndModifySelection:, CommandSelectCharNext);
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SEL_TO_COMMAND(moveToBeginningOfDocument:, CommandMoveTop);
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SEL_TO_COMMAND(moveToBeginningOfDocumentAndModifySelection:,
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CommandSelectTop);
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SEL_TO_COMMAND(moveToBeginningOfLine:, CommandBeginLine);
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SEL_TO_COMMAND(moveToBeginningOfLineAndModifySelection:,
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CommandSelectBeginLine);
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SEL_TO_COMMAND(moveToBeginningOfParagraph:, CommandBeginLine);
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SEL_TO_COMMAND(moveToBeginningOfParagraphAndModifySelection:,
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CommandSelectBeginLine);
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SEL_TO_COMMAND(moveToEndOfDocument:, CommandMoveBottom);
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SEL_TO_COMMAND(moveToEndOfDocumentAndModifySelection:, CommandSelectBottom);
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SEL_TO_COMMAND(moveToEndOfLine:, CommandEndLine);
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SEL_TO_COMMAND(moveToEndOfLineAndModifySelection:, CommandSelectEndLine);
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SEL_TO_COMMAND(moveToEndOfParagraph:, CommandEndLine);
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SEL_TO_COMMAND(moveToEndOfParagraphAndModifySelection:, CommandSelectEndLine);
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SEL_TO_COMMAND(moveToLeftEndOfLine:, CommandBeginLine);
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SEL_TO_COMMAND(moveToLeftEndOfLineAndModifySelection:,
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CommandSelectBeginLine);
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SEL_TO_COMMAND(moveToRightEndOfLine:, CommandEndLine);
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SEL_TO_COMMAND(moveToRightEndOfLineAndModifySelection:, CommandSelectEndLine);
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if (aType == nsIWidget::NativeKeyBindingsForSingleLineEditor) {
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SEL_TO_COMMAND(moveUp:, CommandBeginLine);
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} else {
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SEL_TO_COMMAND(moveUp:, CommandLinePrevious);
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}
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SEL_TO_COMMAND(moveUpAndModifySelection:, CommandSelectLinePrevious);
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SEL_TO_COMMAND(moveWordBackward:, CommandWordPrevious);
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SEL_TO_COMMAND(moveWordBackwardAndModifySelection:,
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CommandSelectWordPrevious);
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SEL_TO_COMMAND(moveWordForward:, CommandWordNext);
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SEL_TO_COMMAND(moveWordForwardAndModifySelection:, CommandSelectWordNext);
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SEL_TO_COMMAND(moveWordLeft:, CommandWordPrevious);
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SEL_TO_COMMAND(moveWordLeftAndModifySelection:, CommandSelectWordPrevious);
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SEL_TO_COMMAND(moveWordRight:, CommandWordNext);
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SEL_TO_COMMAND(moveWordRightAndModifySelection:, CommandSelectWordNext);
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SEL_TO_COMMAND(pageDown:, CommandMovePageDown);
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SEL_TO_COMMAND(pageDownAndModifySelection:, CommandSelectPageDown);
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SEL_TO_COMMAND(pageUp:, CommandMovePageUp);
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SEL_TO_COMMAND(pageUpAndModifySelection:, CommandSelectPageUp);
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SEL_TO_COMMAND(paste:, CommandPaste);
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// SEL_TO_COMMAND(pasteFont:, );
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// SEL_TO_COMMAND(pasteRuler:, );
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SEL_TO_COMMAND(scrollLineDown:, CommandScrollLineDown);
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SEL_TO_COMMAND(scrollLineUp:, CommandScrollLineUp);
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SEL_TO_COMMAND(scrollPageDown:, CommandScrollPageDown);
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SEL_TO_COMMAND(scrollPageUp:, CommandScrollPageUp);
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SEL_TO_COMMAND(scrollToBeginningOfDocument:, CommandScrollTop);
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SEL_TO_COMMAND(scrollToEndOfDocument:, CommandScrollBottom);
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SEL_TO_COMMAND(selectAll:, CommandSelectAll);
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// selectLine: is complex, see KeyDown
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if (aType == nsIWidget::NativeKeyBindingsForSingleLineEditor) {
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SEL_TO_COMMAND(selectParagraph:, CommandSelectAll);
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}
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// SEL_TO_COMMAND(selectToMark:, );
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// selectWord: is complex, see KeyDown
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// SEL_TO_COMMAND(setMark:, );
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// SEL_TO_COMMAND(showContextHelp:, );
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// SEL_TO_COMMAND(supplementalTargetForAction:sender:, );
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// SEL_TO_COMMAND(swapWithMark:, );
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// SEL_TO_COMMAND(transpose:, );
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// SEL_TO_COMMAND(transposeWords:, );
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// SEL_TO_COMMAND(uppercaseWord:, );
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// SEL_TO_COMMAND(yank:, );
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}
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#undef SEL_TO_COMMAND
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bool
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NativeKeyBindings::Execute(const WidgetKeyboardEvent& aEvent,
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DoCommandCallback aCallback,
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void* aCallbackData)
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{
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress", this));
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// Recover the current event, which should always be the key down we are
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// responding to.
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NSEvent* cocoaEvent = reinterpret_cast<NSEvent*>(aEvent.mNativeKeyEvent);
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if (!cocoaEvent || [cocoaEvent type] != NSKeyDown) {
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress, no Cocoa key down event", this));
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return false;
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}
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress, interpreting", this));
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AutoTArray<KeyBindingsCommand, 2> bindingCommands;
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nsCocoaUtils::GetCommandsFromKeyEvent(cocoaEvent, bindingCommands);
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress, bindingCommands=%u",
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this, bindingCommands.Length()));
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AutoTArray<Command, 4> geckoCommands;
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for (uint32_t i = 0; i < bindingCommands.Length(); i++) {
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SEL selector = bindingCommands[i].selector;
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if (MOZ_LOG_TEST(gNativeKeyBindingsLog, LogLevel::Info)) {
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NSString* selectorString = NSStringFromSelector(selector);
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nsAutoString nsSelectorString;
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nsCocoaUtils::GetStringForNSString(selectorString, nsSelectorString);
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress, selector=%s",
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this, NS_LossyConvertUTF16toASCII(nsSelectorString).get()));
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}
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// Try to find a simple mapping in the hashtable
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Command geckoCommand = static_cast<Command>(mSelectorToCommand.Get(
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reinterpret_cast<struct objc_selector*>(selector)));
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if (geckoCommand) {
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geckoCommands.AppendElement(geckoCommand);
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} else if (selector == @selector(selectLine:)) {
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// This is functional, but Cocoa's version is direction-less in that
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// selection direction is not determined until some future directed action
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// is taken. See bug 282097, comment 79 for more details.
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geckoCommands.AppendElement(CommandBeginLine);
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geckoCommands.AppendElement(CommandSelectEndLine);
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} else if (selector == @selector(selectWord:)) {
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// This is functional, but Cocoa's version is direction-less in that
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// selection direction is not determined until some future directed action
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// is taken. See bug 282097, comment 79 for more details.
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geckoCommands.AppendElement(CommandWordPrevious);
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geckoCommands.AppendElement(CommandSelectWordNext);
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}
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}
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if (geckoCommands.IsEmpty()) {
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress, handled=false", this));
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return false;
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}
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for (uint32_t i = 0; i < geckoCommands.Length(); i++) {
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Command geckoCommand = geckoCommands[i];
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress, command=%s",
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this, WidgetKeyboardEvent::GetCommandStr(geckoCommand)));
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// Execute the Gecko command
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aCallback(geckoCommand, aCallbackData);
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}
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MOZ_LOG(gNativeKeyBindingsLog, LogLevel::Info,
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("%p NativeKeyBindings::KeyPress, handled=true", this));
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return true;
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}
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} // namespace widget
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} // namespace mozilla
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