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gecko/widget/cocoa/NativeKeyBindings.mm

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/* -*- 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/. */
#include "NativeKeyBindings.h"
#include "nsTArray.h"
#include "nsCocoaUtils.h"
#include "prlog.h"
#include "mozilla/TextEvents.h"
using namespace mozilla;
using namespace mozilla::widget;
#ifdef PR_LOGGING
PRLogModuleInfo* gNativeKeyBindingsLog = nullptr;
#endif
NativeKeyBindings::NativeKeyBindings()
{
}
#define SEL_TO_COMMAND(aSel, aCommand) \
mSelectorToCommand.Put( \
reinterpret_cast<struct objc_selector *>(@selector(aSel)), aCommand)
NS_IMETHODIMP
NativeKeyBindings::Init(NativeKeyBindingsType aType)
{
#ifdef PR_LOGGING
if (!gNativeKeyBindingsLog) {
gNativeKeyBindingsLog = PR_NewLogModule("NativeKeyBindings");
}
#endif
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::Init", this));
// Many selectors have a one-to-one mapping to a Gecko command. Those mappings
// are registered in mSelectorToCommand.
// Selectors from NSResponder's "Responding to Action Messages" section and
// from NSText's "Action Methods for Editing" section
// TODO: Improves correctness of left / right meaning
// TODO: Add real paragraph motions
// SEL_TO_COMMAND(cancelOperation:, );
// SEL_TO_COMMAND(capitalizeWord:, );
// SEL_TO_COMMAND(centerSelectionInVisibleArea:, );
// SEL_TO_COMMAND(changeCaseOfLetter:, );
// SEL_TO_COMMAND(complete:, );
SEL_TO_COMMAND(copy:, CommandCopy);
// SEL_TO_COMMAND(copyFont:, );
// SEL_TO_COMMAND(copyRuler:, );
SEL_TO_COMMAND(cut:, CommandCut);
SEL_TO_COMMAND(delete:, CommandDelete);
SEL_TO_COMMAND(deleteBackward:, CommandDeleteCharBackward);
// SEL_TO_COMMAND(deleteBackwardByDecomposingPreviousCharacter:, );
SEL_TO_COMMAND(deleteForward:, CommandDeleteCharForward);
// TODO: deleteTo* selectors are also supposed to add text to a kill buffer
SEL_TO_COMMAND(deleteToBeginningOfLine:, CommandDeleteToBeginningOfLine);
SEL_TO_COMMAND(deleteToBeginningOfParagraph:, CommandDeleteToBeginningOfLine);
SEL_TO_COMMAND(deleteToEndOfLine:, CommandDeleteToEndOfLine);
SEL_TO_COMMAND(deleteToEndOfParagraph:, CommandDeleteToEndOfLine);
// SEL_TO_COMMAND(deleteToMark:, );
SEL_TO_COMMAND(deleteWordBackward:, CommandDeleteWordBackward);
SEL_TO_COMMAND(deleteWordForward:, CommandDeleteWordForward);
// SEL_TO_COMMAND(indent:, );
// SEL_TO_COMMAND(insertBacktab:, );
// SEL_TO_COMMAND(insertContainerBreak:, );
// SEL_TO_COMMAND(insertLineBreak:, );
// SEL_TO_COMMAND(insertNewline:, );
// SEL_TO_COMMAND(insertNewlineIgnoringFieldEditor:, );
// SEL_TO_COMMAND(insertParagraphSeparator:, );
// SEL_TO_COMMAND(insertTab:, );
// SEL_TO_COMMAND(insertTabIgnoringFieldEditor:, );
// SEL_TO_COMMAND(insertDoubleQuoteIgnoringSubstitution:, );
// SEL_TO_COMMAND(insertSingleQuoteIgnoringSubstitution:, );
// SEL_TO_COMMAND(lowercaseWord:, );
SEL_TO_COMMAND(moveBackward:, CommandCharPrevious);
SEL_TO_COMMAND(moveBackwardAndModifySelection:, CommandSelectCharPrevious);
if (aType == eNativeKeyBindingsType_Input) {
SEL_TO_COMMAND(moveDown:, CommandEndLine);
} else {
SEL_TO_COMMAND(moveDown:, CommandLineNext);
}
SEL_TO_COMMAND(moveDownAndModifySelection:, CommandSelectLineNext);
SEL_TO_COMMAND(moveForward:, CommandCharNext);
SEL_TO_COMMAND(moveForwardAndModifySelection:, CommandSelectCharNext);
SEL_TO_COMMAND(moveLeft:, CommandCharPrevious);
SEL_TO_COMMAND(moveLeftAndModifySelection:, CommandSelectCharPrevious);
SEL_TO_COMMAND(moveParagraphBackwardAndModifySelection:,
CommandSelectBeginLine);
SEL_TO_COMMAND(moveParagraphForwardAndModifySelection:, CommandSelectEndLine);
SEL_TO_COMMAND(moveRight:, CommandCharNext);
SEL_TO_COMMAND(moveRightAndModifySelection:, CommandSelectCharNext);
SEL_TO_COMMAND(moveToBeginningOfDocument:, CommandMoveTop);
SEL_TO_COMMAND(moveToBeginningOfDocumentAndModifySelection:,
CommandSelectTop);
SEL_TO_COMMAND(moveToBeginningOfLine:, CommandBeginLine);
SEL_TO_COMMAND(moveToBeginningOfLineAndModifySelection:,
CommandSelectBeginLine);
SEL_TO_COMMAND(moveToBeginningOfParagraph:, CommandBeginLine);
SEL_TO_COMMAND(moveToBeginningOfParagraphAndModifySelection:,
CommandSelectBeginLine);
SEL_TO_COMMAND(moveToEndOfDocument:, CommandMoveBottom);
SEL_TO_COMMAND(moveToEndOfDocumentAndModifySelection:, CommandSelectBottom);
SEL_TO_COMMAND(moveToEndOfLine:, CommandEndLine);
SEL_TO_COMMAND(moveToEndOfLineAndModifySelection:, CommandSelectEndLine);
SEL_TO_COMMAND(moveToEndOfParagraph:, CommandEndLine);
SEL_TO_COMMAND(moveToEndOfParagraphAndModifySelection:, CommandSelectEndLine);
SEL_TO_COMMAND(moveToLeftEndOfLine:, CommandBeginLine);
SEL_TO_COMMAND(moveToLeftEndOfLineAndModifySelection:,
CommandSelectBeginLine);
SEL_TO_COMMAND(moveToRightEndOfLine:, CommandEndLine);
SEL_TO_COMMAND(moveToRightEndOfLineAndModifySelection:, CommandSelectEndLine);
if (aType == eNativeKeyBindingsType_Input) {
SEL_TO_COMMAND(moveUp:, CommandBeginLine);
} else {
SEL_TO_COMMAND(moveUp:, CommandLinePrevious);
}
SEL_TO_COMMAND(moveUpAndModifySelection:, CommandSelectLinePrevious);
SEL_TO_COMMAND(moveWordBackward:, CommandWordPrevious);
SEL_TO_COMMAND(moveWordBackwardAndModifySelection:,
CommandSelectWordPrevious);
SEL_TO_COMMAND(moveWordForward:, CommandWordNext);
SEL_TO_COMMAND(moveWordForwardAndModifySelection:, CommandSelectWordNext);
SEL_TO_COMMAND(moveWordLeft:, CommandWordPrevious);
SEL_TO_COMMAND(moveWordLeftAndModifySelection:, CommandSelectWordPrevious);
SEL_TO_COMMAND(moveWordRight:, CommandWordNext);
SEL_TO_COMMAND(moveWordRightAndModifySelection:, CommandSelectWordNext);
SEL_TO_COMMAND(pageDown:, CommandMovePageDown);
SEL_TO_COMMAND(pageDownAndModifySelection:, CommandSelectPageDown);
SEL_TO_COMMAND(pageUp:, CommandMovePageUp);
SEL_TO_COMMAND(pageUpAndModifySelection:, CommandSelectPageUp);
SEL_TO_COMMAND(paste:, CommandPaste);
// SEL_TO_COMMAND(pasteFont:, );
// SEL_TO_COMMAND(pasteRuler:, );
SEL_TO_COMMAND(scrollLineDown:, CommandScrollLineDown);
SEL_TO_COMMAND(scrollLineUp:, CommandScrollLineUp);
SEL_TO_COMMAND(scrollPageDown:, CommandScrollPageDown);
SEL_TO_COMMAND(scrollPageUp:, CommandScrollPageUp);
SEL_TO_COMMAND(scrollToBeginningOfDocument:, CommandScrollTop);
SEL_TO_COMMAND(scrollToEndOfDocument:, CommandScrollBottom);
SEL_TO_COMMAND(selectAll:, CommandSelectAll);
// selectLine: is complex, see KeyDown
if (aType == eNativeKeyBindingsType_Input) {
SEL_TO_COMMAND(selectParagraph:, CommandSelectAll);
}
// SEL_TO_COMMAND(selectToMark:, );
// selectWord: is complex, see KeyDown
// SEL_TO_COMMAND(setMark:, );
// SEL_TO_COMMAND(showContextHelp:, );
// SEL_TO_COMMAND(supplementalTargetForAction:sender:, );
// SEL_TO_COMMAND(swapWithMark:, );
// SEL_TO_COMMAND(transpose:, );
// SEL_TO_COMMAND(transposeWords:, );
// SEL_TO_COMMAND(uppercaseWord:, );
// SEL_TO_COMMAND(yank:, );
return NS_OK;
}
#undef SEL_TO_COMMAND
NS_IMPL_ISUPPORTS1(NativeKeyBindings, nsINativeKeyBindings)
NS_IMETHODIMP_(bool)
NativeKeyBindings::KeyDown(const WidgetKeyboardEvent& aEvent,
DoCommandCallback aCallback, void* aCallbackData)
{
return false;
}
NS_IMETHODIMP_(bool)
NativeKeyBindings::KeyPress(const WidgetKeyboardEvent& aEvent,
DoCommandCallback aCallback, void* aCallbackData)
{
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress", this));
// Recover the current event, which should always be the key down we are
// responding to.
NSEvent* cocoaEvent = reinterpret_cast<NSEvent*>(aEvent.mNativeKeyEvent);
if (!cocoaEvent || [cocoaEvent type] != NSKeyDown) {
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress, no Cocoa key down event", this));
return false;
}
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress, interpreting", this));
nsAutoTArray<KeyBindingsCommand, 2> bindingCommands;
nsCocoaUtils::GetCommandsFromKeyEvent(cocoaEvent, bindingCommands);
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress, bindingCommands=%u",
this, bindingCommands.Length()));
nsAutoTArray<Command, 4> geckoCommands;
for (uint32_t i = 0; i < bindingCommands.Length(); i++) {
SEL selector = bindingCommands[i].selector;
#ifdef PR_LOGGING
if (PR_LOG_TEST(gNativeKeyBindingsLog, PR_LOG_ALWAYS)) {
NSString* selectorString = NSStringFromSelector(selector);
nsAutoString nsSelectorString;
nsCocoaUtils::GetStringForNSString(selectorString, nsSelectorString);
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress, selector=%s",
this, ToNewCString(nsSelectorString)));
}
#endif
// Try to find a simple mapping in the hashtable
Command geckoCommand = static_cast<Command>(mSelectorToCommand.Get(
reinterpret_cast<struct objc_selector*>(selector)));
if (geckoCommand) {
geckoCommands.AppendElement(geckoCommand);
} else if (selector == @selector(selectLine:)) {
// This is functional, but Cocoa's version is direction-less in that
// selection direction is not determined until some future directed action
// is taken. See bug 282097, comment 79 for more details.
geckoCommands.AppendElement(CommandBeginLine);
geckoCommands.AppendElement(CommandSelectEndLine);
} else if (selector == @selector(selectWord:)) {
// This is functional, but Cocoa's version is direction-less in that
// selection direction is not determined until some future directed action
// is taken. See bug 282097, comment 79 for more details.
geckoCommands.AppendElement(CommandWordPrevious);
geckoCommands.AppendElement(CommandSelectWordNext);
}
}
if (geckoCommands.IsEmpty()) {
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress, handled=false", this));
return false;
}
for (uint32_t i = 0; i < geckoCommands.Length(); i++) {
Command geckoCommand = geckoCommands[i];
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress, command=%s",
this, geckoCommand));
// Execute the Gecko command
aCallback(geckoCommand, aCallbackData);
}
PR_LOG(gNativeKeyBindingsLog, PR_LOG_ALWAYS,
("%p NativeKeyBindings::KeyPress, handled=true", this));
return true;
}
NS_IMETHODIMP_(bool)
NativeKeyBindings::KeyUp(const WidgetKeyboardEvent& aEvent,
DoCommandCallback aCallback, void* aCallbackData)
{
return false;
}
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