blob: 825aca3955e9b35aa7cf0bf7bfb299942f1b9005 [file] [log] [blame]
/*
* Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2006 Zack Rusin <zack@kde.org>
* Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "EditorClientQt.h"
#include "Document.h"
#include "Editor.h"
#include "FocusController.h"
#include "Frame.h"
#include "HTMLElement.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "KeyboardEvent.h"
#include "NotImplemented.h"
#include "Page.h"
#include "Pasteboard.h"
#include "PlatformKeyboardEvent.h"
#include "QWebPageAdapter.h"
#include "QWebPageClient.h"
#include "Range.h"
#include "Settings.h"
#include "SpatialNavigation.h"
#include "StylePropertySet.h"
#include "WindowsKeyboardCodes.h"
#include "qguiapplication.h"
#include <QClipboard>
#include <QKeyEvent>
#include <QKeySequence>
#include <stdio.h>
#include <wtf/OwnPtr.h>
static QString dumpPath(WebCore::Node *node)
{
QString str = node->nodeName();
WebCore::Node *parent = node->parentNode();
while (parent) {
str.append(QLatin1String(" > "));
str.append(parent->nodeName());
parent = parent->parentNode();
}
return str;
}
static QString dumpRange(WebCore::Range *range)
{
if (!range)
return QLatin1String("(null)");
WebCore::ExceptionCode code;
QString str = QString::fromLatin1("range from %1 of %2 to %3 of %4")
.arg(range->startOffset(code)).arg(dumpPath(range->startContainer(code)))
.arg(range->endOffset(code)).arg(dumpPath(range->endContainer(code)));
return str;
}
namespace WebCore {
bool EditorClientQt::dumpEditingCallbacks = false;
bool EditorClientQt::acceptsEditing = true;
using namespace HTMLNames;
bool EditorClientQt::shouldDeleteRange(Range* range)
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: shouldDeleteDOMRange:%s\n", dumpRange(range).toUtf8().constData());
return true;
}
bool EditorClientQt::isContinuousSpellCheckingEnabled()
{
return m_textCheckerClient.isContinousSpellCheckingEnabled();
}
bool EditorClientQt::isGrammarCheckingEnabled()
{
return m_textCheckerClient.isGrammarCheckingEnabled();
}
int EditorClientQt::spellCheckerDocumentTag()
{
return 0;
}
bool EditorClientQt::shouldBeginEditing(WebCore::Range* range)
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: shouldBeginEditingInDOMRange:%s\n", dumpRange(range).toUtf8().constData());
return true;
}
bool EditorClientQt::shouldEndEditing(WebCore::Range* range)
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: shouldEndEditingInDOMRange:%s\n", dumpRange(range).toUtf8().constData());
return true;
}
bool EditorClientQt::shouldInsertText(const String& string, Range* range, EditorInsertAction action)
{
if (dumpEditingCallbacks) {
static const char *insertactionstring[] = {
"WebViewInsertActionTyped",
"WebViewInsertActionPasted",
"WebViewInsertActionDropped",
};
printf("EDITING DELEGATE: shouldInsertText:%s replacingDOMRange:%s givenAction:%s\n",
QString(string).toUtf8().constData(), dumpRange(range).toUtf8().constData(), insertactionstring[action]);
}
return acceptsEditing;
}
bool EditorClientQt::shouldChangeSelectedRange(Range* currentRange, Range* proposedRange, EAffinity selectionAffinity, bool stillSelecting)
{
if (dumpEditingCallbacks) {
static const char *affinitystring[] = {
"NSSelectionAffinityUpstream",
"NSSelectionAffinityDownstream"
};
static const char *boolstring[] = {
"FALSE",
"TRUE"
};
printf("EDITING DELEGATE: shouldChangeSelectedDOMRange:%s toDOMRange:%s affinity:%s stillSelecting:%s\n",
dumpRange(currentRange).toUtf8().constData(),
dumpRange(proposedRange).toUtf8().constData(),
affinitystring[selectionAffinity], boolstring[stillSelecting]);
}
return acceptsEditing;
}
bool EditorClientQt::shouldApplyStyle(WebCore::StylePropertySet* style, WebCore::Range* range)
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: shouldApplyStyle:%s toElementsInDOMRange:%s\n",
QString(style->asText()).toUtf8().constData(), dumpRange(range).toUtf8().constData());
return acceptsEditing;
}
bool EditorClientQt::shouldMoveRangeAfterDelete(WebCore::Range*, WebCore::Range*)
{
notImplemented();
return true;
}
void EditorClientQt::didBeginEditing()
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: webViewDidBeginEditing:WebViewDidBeginEditingNotification\n");
m_editing = true;
}
void EditorClientQt::respondToChangedContents()
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: webViewDidChange:WebViewDidChangeNotification\n");
m_page->respondToChangedContents();
}
void EditorClientQt::respondToChangedSelection(Frame* frame)
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: webViewDidChangeSelection:WebViewDidChangeSelectionNotification\n");
// const Selection &selection = m_page->d->page->selection();
// char buffer[1024];
// selection.formatForDebugger(buffer, sizeof(buffer));
// printf("%s\n", buffer);
if (supportsGlobalSelection() && frame->selection()->isRange()) {
bool oldSelectionMode = Pasteboard::generalPasteboard()->isSelectionMode();
Pasteboard::generalPasteboard()->setSelectionMode(true);
Pasteboard::generalPasteboard()->writeSelection(frame->selection()->toNormalizedRange().get(), frame->editor().canSmartCopyOrDelete(), frame);
Pasteboard::generalPasteboard()->setSelectionMode(oldSelectionMode);
}
m_page->respondToChangedSelection();
if (!frame->editor().ignoreCompositionSelectionChange())
emit m_page->microFocusChanged();
}
void EditorClientQt::didEndEditing()
{
if (dumpEditingCallbacks)
printf("EDITING DELEGATE: webViewDidEndEditing:WebViewDidEndEditingNotification\n");
m_editing = false;
}
void EditorClientQt::didWriteSelectionToPasteboard()
{
}
void EditorClientQt::willWriteSelectionToPasteboard(Range*)
{
}
void EditorClientQt::getClientPasteboardDataForRange(Range*, Vector<String>&, Vector<RefPtr<SharedBuffer> >&)
{
}
void EditorClientQt::didSetSelectionTypesForPasteboard()
{
}
bool EditorClientQt::selectWordBeforeMenuEvent()
{
notImplemented();
return false;
}
void EditorClientQt::registerUndoStep(WTF::PassRefPtr<WebCore::UndoStep> step)
{
#ifndef QT_NO_UNDOSTACK
Frame* frame = m_page->page->focusController()->focusedOrMainFrame();
if (m_inUndoRedo || (frame && !frame->editor().lastEditCommand() /* HACK!! Don't recreate undos */))
return;
m_page->registerUndoStep(step);
#endif // QT_NO_UNDOSTACK
}
void EditorClientQt::registerRedoStep(WTF::PassRefPtr<WebCore::UndoStep>)
{
}
void EditorClientQt::clearUndoRedoOperations()
{
#ifndef QT_NO_UNDOSTACK
return m_page->clearUndoStack();
#endif
}
bool EditorClientQt::canCopyCut(WebCore::Frame*, bool defaultValue) const
{
return defaultValue;
}
bool EditorClientQt::canPaste(WebCore::Frame*, bool defaultValue) const
{
return defaultValue;
}
bool EditorClientQt::canUndo() const
{
#ifdef QT_NO_UNDOSTACK
return false;
#else
return m_page->canUndo();
#endif
}
bool EditorClientQt::canRedo() const
{
#ifdef QT_NO_UNDOSTACK
return false;
#else
return m_page->canRedo();
#endif
}
void EditorClientQt::undo()
{
#ifndef QT_NO_UNDOSTACK
m_inUndoRedo = true;
m_page->undo();
m_inUndoRedo = false;
#endif
}
void EditorClientQt::redo()
{
#ifndef QT_NO_UNDOSTACK
m_inUndoRedo = true;
m_page->redo();
m_inUndoRedo = false;
#endif
}
bool EditorClientQt::shouldInsertNode(Node* node, Range* range, EditorInsertAction action)
{
if (dumpEditingCallbacks) {
static const char *insertactionstring[] = {
"WebViewInsertActionTyped",
"WebViewInsertActionPasted",
"WebViewInsertActionDropped",
};
printf("EDITING DELEGATE: shouldInsertNode:%s replacingDOMRange:%s givenAction:%s\n", dumpPath(node).toUtf8().constData(),
dumpRange(range).toUtf8().constData(), insertactionstring[action]);
}
return acceptsEditing;
}
void EditorClientQt::pageDestroyed()
{
delete this;
}
bool EditorClientQt::smartInsertDeleteEnabled()
{
Page* page = m_page->page;
if (!page)
return false;
return page->settings()->smartInsertDeleteEnabled();
}
void EditorClientQt::toggleSmartInsertDelete()
{
Page* page = m_page->page;
if (page) {
page->settings()->setSmartInsertDeleteEnabled(!page->settings()->smartInsertDeleteEnabled());
page->settings()->setSelectTrailingWhitespaceEnabled(!page->settings()->selectTrailingWhitespaceEnabled());
}
}
bool EditorClientQt::isSelectTrailingWhitespaceEnabled()
{
Page* page = m_page->page;
if (!page)
return false;
return page->settings()->selectTrailingWhitespaceEnabled();
}
void EditorClientQt::toggleContinuousSpellChecking()
{
m_textCheckerClient.toggleContinousSpellChecking();
}
void EditorClientQt::toggleGrammarChecking()
{
return m_textCheckerClient.toggleGrammarChecking();
}
static const unsigned CtrlKey = 1 << 0;
static const unsigned AltKey = 1 << 1;
static const unsigned ShiftKey = 1 << 2;
struct KeyDownEntry {
unsigned virtualKey;
unsigned modifiers;
const char* editorCommand;
};
// Handle here key down events that are needed for spatial navigation and caret browsing, or
// are not handled by QWebPage.
static const KeyDownEntry keyDownEntries[] = {
// Ones that do not have an associated QAction:
{ VK_DELETE, 0, "DeleteForward" },
{ VK_BACK, ShiftKey, "DeleteBackward" },
{ VK_BACK, 0, "DeleteBackward" },
// Ones that need special handling for caret browsing:
{ VK_PRIOR, 0, "MovePageUp" },
{ VK_PRIOR, ShiftKey, "MovePageUpAndModifySelection" },
{ VK_NEXT, 0, "MovePageDown" },
{ VK_NEXT, ShiftKey, "MovePageDownAndModifySelection" },
// Ones that need special handling for spatial navigation:
{ VK_LEFT, 0, "MoveLeft" },
{ VK_RIGHT, 0, "MoveRight" },
{ VK_UP, 0, "MoveUp" },
{ VK_DOWN, 0, "MoveDown" },
};
const char* editorCommandForKeyDownEvent(const KeyboardEvent* event)
{
if (event->type() != eventNames().keydownEvent)
return "";
static HashMap<int, const char*> keyDownCommandsMap;
if (keyDownCommandsMap.isEmpty()) {
unsigned numEntries = sizeof(keyDownEntries) / sizeof((keyDownEntries)[0]);
for (unsigned i = 0; i < numEntries; i++)
keyDownCommandsMap.set(keyDownEntries[i].modifiers << 16 | keyDownEntries[i].virtualKey, keyDownEntries[i].editorCommand);
}
unsigned modifiers = 0;
if (event->shiftKey())
modifiers |= ShiftKey;
if (event->altKey())
modifiers |= AltKey;
if (event->ctrlKey())
modifiers |= CtrlKey;
int mapKey = modifiers << 16 | event->keyCode();
return mapKey ? keyDownCommandsMap.get(mapKey) : 0;
}
void EditorClientQt::handleKeyboardEvent(KeyboardEvent* event)
{
Frame* frame = m_page->page->focusController()->focusedOrMainFrame();
if (!frame)
return;
const PlatformKeyboardEvent* kevent = event->keyEvent();
if (!kevent || kevent->type() == PlatformEvent::KeyUp)
return;
Node* start = frame->selection()->start().containerNode();
if (!start)
return;
// FIXME: refactor all of this to use Actions or something like them
if (start->isContentEditable()) {
bool doSpatialNavigation = false;
if (isSpatialNavigationEnabled(frame)) {
if (!kevent->modifiers()) {
switch (kevent->windowsVirtualKeyCode()) {
case VK_LEFT:
case VK_RIGHT:
case VK_UP:
case VK_DOWN:
doSpatialNavigation = true;
}
}
}
#ifndef QT_NO_SHORTCUT
const char* cmd = m_page->editorCommandForKeyEvent(kevent->qtEvent());
if (cmd && !doSpatialNavigation) {
// WebKit doesn't have enough information about mode to decide how commands that just insert text if executed via Editor should be treated,
// so we leave it upon WebCore to either handle them immediately (e.g. Tab that changes focus) or let a keypress event be generated
// (e.g. Tab that inserts a Tab character, or Enter).
if (frame->editor().command(cmd).isTextInsertion()
&& kevent->type() == PlatformEvent::RawKeyDown)
return;
m_page->triggerActionForKeyEvent(kevent->qtEvent());
event->setDefaultHandled();
return;
}
#endif // QT_NO_SHORTCUT
{
String commandName = editorCommandForKeyDownEvent(event);
if (!commandName.isEmpty()) {
if (frame->editor().command(commandName).execute()) // Event handled.
event->setDefaultHandled();
return;
}
if (kevent->windowsVirtualKeyCode() == VK_TAB) {
// Do not handle TAB text insertion here.
return;
}
// Text insertion.
bool shouldInsertText = false;
if (kevent->type() != PlatformEvent::KeyDown && !kevent->text().isEmpty()) {
if (kevent->ctrlKey()) {
if (kevent->altKey())
shouldInsertText = true;
} else {
#ifndef Q_WS_MAC
// We need to exclude checking for Alt because it is just a different Shift
if (!kevent->altKey())
#endif
shouldInsertText = true;
}
}
if (shouldInsertText) {
frame->editor().insertText(kevent->text(), event);
event->setDefaultHandled();
return;
}
}
// Event not handled.
return;
}
// Non editable content.
if (m_page->page->settings()->caretBrowsingEnabled()) {
switch (kevent->windowsVirtualKeyCode()) {
case VK_LEFT:
case VK_RIGHT:
case VK_UP:
case VK_DOWN:
case VK_HOME:
case VK_END:
{
#ifndef QT_NO_SHORTCUT
m_page->triggerActionForKeyEvent(kevent->qtEvent());
event->setDefaultHandled();
#endif
return;
}
case VK_PRIOR: // PageUp
case VK_NEXT: // PageDown
{
String commandName = editorCommandForKeyDownEvent(event);
ASSERT(!commandName.isEmpty());
frame->editor().command(commandName).execute();
event->setDefaultHandled();
return;
}
}
}
#ifndef QT_NO_SHORTCUT
if (kevent->qtEvent() == QKeySequence::Copy) {
m_page->triggerCopyAction();
event->setDefaultHandled();
return;
}
#endif // QT_NO_SHORTCUT
}
void EditorClientQt::handleInputMethodKeydown(KeyboardEvent*)
{
}
EditorClientQt::EditorClientQt(QWebPageAdapter* pageAdapter)
: m_page(pageAdapter)
, m_editing(false)
, m_inUndoRedo(false)
{
}
void EditorClientQt::textFieldDidBeginEditing(Element*)
{
m_editing = true;
}
void EditorClientQt::textFieldDidEndEditing(Element*)
{
m_editing = false;
}
void EditorClientQt::textDidChangeInTextField(Element*)
{
}
bool EditorClientQt::doTextFieldCommandFromEvent(Element*, KeyboardEvent*)
{
return false;
}
void EditorClientQt::textWillBeDeletedInTextField(Element*)
{
}
void EditorClientQt::textDidChangeInTextArea(Element*)
{
}
void EditorClientQt::updateSpellingUIWithGrammarString(const String&, const GrammarDetail&)
{
notImplemented();
}
void EditorClientQt::updateSpellingUIWithMisspelledWord(const String&)
{
notImplemented();
}
void EditorClientQt::showSpellingUI(bool)
{
notImplemented();
}
bool EditorClientQt::spellingUIIsShowing()
{
notImplemented();
return false;
}
bool EditorClientQt::isEditing() const
{
return m_editing;
}
void EditorClientQt::willSetInputMethodState()
{
}
void EditorClientQt::setInputMethodState(bool active)
{
QWebPageClient* webPageClient = m_page->client.data();
if (webPageClient) {
Qt::InputMethodHints hints;
HTMLInputElement* inputElement = 0;
Frame* frame = m_page->page->focusController()->focusedOrMainFrame();
if (frame && frame->document() && frame->document()->focusedNode())
if (frame->document()->focusedNode()->hasTagName(HTMLNames::inputTag))
inputElement = static_cast<HTMLInputElement*>(frame->document()->focusedNode());
if (inputElement) {
// Set input method hints for "number", "tel", "email", "url" and "password" input elements.
if (inputElement->isTelephoneField())
hints |= Qt::ImhDialableCharactersOnly;
if (inputElement->isNumberField())
hints |= Qt::ImhDigitsOnly;
if (inputElement->isEmailField())
hints |= Qt::ImhEmailCharactersOnly;
if (inputElement->isURLField())
hints |= Qt::ImhUrlCharactersOnly;
// Setting the Qt::WA_InputMethodEnabled attribute true and Qt::ImhHiddenText flag
// for password fields. The Qt platform is responsible for determining which widget
// will receive input method events for password fields.
if (inputElement->isPasswordField()) {
active = true;
hints |= Qt::ImhHiddenText;
}
}
webPageClient->setInputMethodHints(hints);
webPageClient->setInputMethodEnabled(active);
}
emit m_page->microFocusChanged();
}
bool EditorClientQt::supportsGlobalSelection()
{
#ifndef QT_NO_CLIPBOARD
return qApp->clipboard()->supportsSelection();
#else
return false;
#endif
}
}
// vim: ts=4 sw=4 et