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635 lines
20 KiB
C++
635 lines
20 KiB
C++
/*
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* Copyright (C) 2004 Apple Computer, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "jsediting.h"
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#include "editing/htmlediting_impl.h"
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#include "editor.h"
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#include "css/cssproperties.h"
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#include "css/cssvalues.h"
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#include "css/css_valueimpl.h"
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#include "xml/dom_selection.h"
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#include "xml/dom_docimpl.h"
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#include "dom/dom_string.h"
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#include "misc/khtml_partaccessor.h"
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#include <QHash>
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#include <QString>
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using khtml::TypingCommandImpl;
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using khtml::InsertListCommandImpl;
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//
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#define KPAC khtml::KHTMLPartAccessor
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#define DEBUG_COMMANDS
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namespace DOM {
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class DocumentImpl;
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struct CommandImp {
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bool (*execFn)(KHTMLPart *part, bool userInterface, const DOMString &value);
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bool (*enabledFn)(KHTMLPart *part);
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Editor::TriState (*stateFn)(KHTMLPart *part);
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DOMString (*valueFn)(KHTMLPart *part);
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};
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typedef QHash<QString,const CommandImp*> CommandDict;
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static CommandDict createCommandDictionary();
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bool JSEditor::execCommand(const CommandImp *cmd, bool userInterface, const DOMString &value)
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{
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if (!cmd || !cmd->enabledFn)
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return false;
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KHTMLPart *part = m_doc->part();
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if (!part)
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return false;
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m_doc->updateLayout();
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return cmd->enabledFn(part) && cmd->execFn(part, userInterface, value);
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}
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bool JSEditor::queryCommandEnabled(const CommandImp *cmd)
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{
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if (!cmd || !cmd->enabledFn)
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return false;
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KHTMLPart *part = m_doc->part();
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if (!part)
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return false;
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m_doc->updateLayout();
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return cmd->enabledFn(part);
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}
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bool JSEditor::queryCommandIndeterm(const CommandImp *cmd)
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{
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if (!cmd || !cmd->enabledFn)
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return false;
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KHTMLPart *part = m_doc->part();
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if (!part)
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return false;
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m_doc->updateLayout();
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return cmd->stateFn(part) == Editor::MixedTriState;
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}
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bool JSEditor::queryCommandState(const CommandImp *cmd)
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{
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if (!cmd || !cmd->enabledFn)
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return false;
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KHTMLPart *part = m_doc->part();
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if (!part)
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return false;
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m_doc->updateLayout();
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return cmd->stateFn(part) != Editor::FalseTriState;
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}
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bool JSEditor::queryCommandSupported(const CommandImp *cmd)
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{
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return cmd != 0;
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}
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DOMString JSEditor::queryCommandValue(const CommandImp *cmd)
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{
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if (!cmd || !cmd->enabledFn)
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return DOMString();
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KHTMLPart *part = m_doc->part();
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if (!part)
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return DOMString();
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m_doc->updateLayout();
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return cmd->valueFn(part);
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}
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// =============================================================================================
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// Private stuff
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static bool execStyleChange(KHTMLPart *part, int propertyID, const DOMString &propertyValue)
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{
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CSSStyleDeclarationImpl *style = new CSSStyleDeclarationImpl(0);
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style->setProperty(propertyID, propertyValue);
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style->ref();
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part->editor()->applyStyle(style);
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style->deref();
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return true;
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}
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static bool execStyleChange(KHTMLPart *part, int propertyID, int propertyEnum)
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{
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CSSStyleDeclarationImpl *style = new CSSStyleDeclarationImpl(0);
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style->setProperty(propertyID, propertyEnum);
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style->ref();
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part->editor()->applyStyle(style);
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style->deref();
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return true;
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}
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static bool execStyleChange(KHTMLPart *part, int propertyID, const char *propertyValue)
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{
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return execStyleChange(part, propertyID, DOMString(propertyValue));
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}
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static Editor::TriState stateStyle(KHTMLPart *part, int propertyID, const char *desiredValue)
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{
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CSSStyleDeclarationImpl *style = new CSSStyleDeclarationImpl(0);
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style->setProperty(propertyID, desiredValue);
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style->ref();
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Editor::TriState state = part->editor()->selectionHasStyle(style);
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style->deref();
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return state;
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}
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static bool selectionStartHasStyle(KHTMLPart *part, int propertyID, const char *desiredValue)
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{
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CSSStyleDeclarationImpl *style = new CSSStyleDeclarationImpl(0);
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style->setProperty(propertyID, desiredValue);
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style->ref();
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bool hasStyle = part->editor()->selectionStartHasStyle(style);
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style->deref();
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return hasStyle;
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}
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static DOMString valueStyle(KHTMLPart *part, int propertyID)
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{
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return part->editor()->selectionStartStylePropertyValue(propertyID);
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}
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// =============================================================================================
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//
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// execCommand implementations
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//
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static bool execBackColor(KHTMLPart *part, bool /*userInterface*/, const DOMString &value)
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{
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return execStyleChange(part, CSS_PROP_BACKGROUND_COLOR, value);
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}
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static bool execBold(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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bool isBold = selectionStartHasStyle(part, CSS_PROP_FONT_WEIGHT, "bold");
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return execStyleChange(part, CSS_PROP_FONT_WEIGHT, isBold ? "normal" : "bold");
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}
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static bool execCopy(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->copy();
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return true;
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}
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static bool execCut(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->cut();
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return true;
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}
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static bool execDelete(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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TypingCommandImpl::deleteKeyPressed0(KPAC::xmlDocImpl(part));
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return true;
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}
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static bool execFontName(KHTMLPart *part, bool /*userInterface*/, const DOMString &value)
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{
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return execStyleChange(part, CSS_PROP_FONT_FAMILY, value);
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}
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static bool execFontSize(KHTMLPart *part, bool /*userInterface*/, const DOMString &value)
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{
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// This should handle sizes 1-7 like <font> does. Who the heck designed this interface? (Rhetorical question)
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bool ok;
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int val = value.string().toInt(&ok);
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if (ok && val >= 1 && val <= 7) {
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int size;
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switch (val) {
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case 1: size = CSS_VAL_XX_SMALL; break;
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case 2: size = CSS_VAL_SMALL; break;
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case 3: size = CSS_VAL_MEDIUM; break;
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case 4: size = CSS_VAL_LARGE; break;
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case 5: size = CSS_VAL_X_LARGE; break;
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case 6: size = CSS_VAL_XX_LARGE; break;
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default: size = CSS_VAL__KHTML_XXX_LARGE;
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}
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return execStyleChange(part, CSS_PROP_FONT_SIZE, size);
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}
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return execStyleChange(part, CSS_PROP_FONT_SIZE, value);
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}
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static bool execForeColor(KHTMLPart *part, bool /*userInterface*/, const DOMString &value)
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{
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return execStyleChange(part, CSS_PROP_COLOR, value);
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}
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static bool execIndent(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->indent();
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return true;
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}
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static bool execInsertNewline(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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TypingCommandImpl::insertNewline0(KPAC::xmlDocImpl(part));
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return true;
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}
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static bool execInsertParagraph(KHTMLPart * /*part*/, bool /*userInterface*/, const DOMString &/*value*/)
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{
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// FIXME: Implement.
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return false;
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}
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static bool execInsertText(KHTMLPart *part, bool /*userInterface*/, const DOMString &value)
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{
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TypingCommandImpl::insertText0(KPAC::xmlDocImpl(part), value);
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return true;
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}
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static bool execInsertOrderedList(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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InsertListCommandImpl::insertList(KPAC::xmlDocImpl(part), InsertListCommandImpl::OrderedList);
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return true;
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}
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static bool execInsertUnorderedList(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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InsertListCommandImpl::insertList(KPAC::xmlDocImpl(part), InsertListCommandImpl::UnorderedList);
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return true;
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}
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static bool execItalic(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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bool isItalic = selectionStartHasStyle(part, CSS_PROP_FONT_STYLE, "italic");
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return execStyleChange(part, CSS_PROP_FONT_STYLE, isItalic ? "normal" : "italic");
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}
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static bool execJustifyCenter(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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return execStyleChange(part, CSS_PROP_TEXT_ALIGN, "center");
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}
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static bool execJustifyFull(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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return execStyleChange(part, CSS_PROP_TEXT_ALIGN, "justify");
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}
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static bool execJustifyLeft(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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return execStyleChange(part, CSS_PROP_TEXT_ALIGN, "left");
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}
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static bool execJustifyRight(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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return execStyleChange(part, CSS_PROP_TEXT_ALIGN, "right");
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}
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static bool execOutdent(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->outdent();
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return true;
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}
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#ifndef NO_SUPPORT_PASTE
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static bool execPaste(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->paste();
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return true;
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}
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#endif
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static bool execPrint(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->print();
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return true;
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}
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static bool execRedo(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->redo();
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return true;
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}
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static bool execSelectAll(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->selectAll();
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return true;
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}
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static bool execStrikeThrough(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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bool isStriked = selectionStartHasStyle(part, CSS_PROP_TEXT_DECORATION, "line-through");
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return execStyleChange(part, CSS_PROP_TEXT_DECORATION, isStriked ? "none" : "line-through");
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}
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static bool execSubscript(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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return execStyleChange(part, CSS_PROP_VERTICAL_ALIGN, "sub");
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}
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static bool execSuperscript(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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return execStyleChange(part, CSS_PROP_VERTICAL_ALIGN, "super");
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}
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static bool execUndo(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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part->editor()->undo();
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return true;
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}
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static bool execUnderline(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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bool isUnderline = selectionStartHasStyle(part, CSS_PROP_TEXT_DECORATION, "underline");
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return execStyleChange(part, CSS_PROP_TEXT_DECORATION, isUnderline ? "none" : "underline");
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}
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static bool execUnselect(KHTMLPart *part, bool /*userInterface*/, const DOMString &/*value*/)
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{
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KPAC::clearSelection(part);
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return true;
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}
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// =============================================================================================
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//
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// queryCommandEnabled implementations
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//
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// It's a bit difficult to get a clear notion of the difference between
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// "supported" and "enabled" from reading the Microsoft documentation, but
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// what little I could glean from that seems to make some sense.
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// Supported = The command is supported by this object.
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// Enabled = The command is available and enabled.
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static bool enabled(KHTMLPart * /*part*/)
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{
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return true;
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}
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static bool enabledAnySelection(KHTMLPart *part)
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{
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return KPAC::caret(part).notEmpty();
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}
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#ifndef NO_SUPPORT_PASTE
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static bool enabledPaste(KHTMLPart *part)
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{
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return part->editor()->canPaste();
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}
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#endif
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static bool enabledRangeSelection(KHTMLPart *part)
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{
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return KPAC::caret(part).state() == Selection::RANGE;
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}
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static bool enabledRedo(KHTMLPart *part)
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{
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return part->editor()->canRedo();
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}
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static bool enabledUndo(KHTMLPart *part)
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{
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return part->editor()->canUndo();
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}
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// =============================================================================================
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//
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// queryCommandIndeterm/State implementations
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//
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// It's a bit difficult to get a clear notion of what these methods are supposed
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// to do from reading the Microsoft documentation, but my current guess is this:
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//
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// queryCommandState and queryCommandIndeterm work in concert to return
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// the two bits of information that are needed to tell, for instance,
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// if the text of a selection is bold. The answer can be "yes", "no", or
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// "partially".
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//
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// If this is so, then queryCommandState should return "yes" in the case where
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// all the text is bold and "no" for non-bold or partially-bold text.
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// Then, queryCommandIndeterm should return "no" in the case where
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// all the text is either all bold or not-bold and and "yes" for partially-bold text.
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static Editor::TriState stateNone(KHTMLPart * /*part*/)
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{
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return Editor::FalseTriState;
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}
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static Editor::TriState stateBold(KHTMLPart *part)
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{
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return stateStyle(part, CSS_PROP_FONT_WEIGHT, "bold");
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}
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static Editor::TriState stateItalic(KHTMLPart *part)
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{
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return stateStyle(part, CSS_PROP_FONT_STYLE, "italic");
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}
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static Editor::TriState stateStrike(KHTMLPart *part)
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{
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return stateStyle(part, CSS_PROP_TEXT_DECORATION, "line-through");
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}
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static Editor::TriState stateSubscript(KHTMLPart *part)
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{
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return stateStyle(part, CSS_PROP_VERTICAL_ALIGN, "sub");
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}
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static Editor::TriState stateSuperscript(KHTMLPart *part)
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{
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return stateStyle(part, CSS_PROP_VERTICAL_ALIGN, "super");
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}
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static Editor::TriState stateUnderline(KHTMLPart *part)
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{
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return stateStyle(part, CSS_PROP_TEXT_DECORATION, "underline");
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}
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// =============================================================================================
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//
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// queryCommandValue implementations
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//
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static DOMString valueNull(KHTMLPart * /*part*/)
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{
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return DOMString();
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}
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static DOMString valueBackColor(KHTMLPart *part)
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{
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return valueStyle(part, CSS_PROP_BACKGROUND_COLOR);
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}
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static DOMString valueFontName(KHTMLPart *part)
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{
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return valueStyle(part, CSS_PROP_FONT_FAMILY);
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}
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static DOMString valueFontSize(KHTMLPart *part)
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{
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return valueStyle(part, CSS_PROP_FONT_SIZE);
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}
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static DOMString valueForeColor(KHTMLPart *part)
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{
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return valueStyle(part, CSS_PROP_COLOR);
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}
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// =============================================================================================
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struct EditorCommandInfo { const char *name; CommandImp imp; };
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// NOTE: strictly keep in sync with EditorCommand in editor_command.h
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static const EditorCommandInfo commands[] = {
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{ "backColor", { execBackColor, enabled, stateNone, valueBackColor } },
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{ "bold", { execBold, enabledAnySelection, stateBold, valueNull } },
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{ "copy", { execCopy, enabledRangeSelection, stateNone, valueNull } },
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{ "cut", { execCut, enabledRangeSelection, stateNone, valueNull } },
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{ "delete", { execDelete, enabledAnySelection, stateNone, valueNull } },
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{ "fontName", { execFontName, enabledAnySelection, stateNone, valueFontName } },
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{ "fontSize", { execFontSize, enabledAnySelection, stateNone, valueFontSize } },
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{ "foreColor", { execForeColor, enabledAnySelection, stateNone, valueForeColor } },
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{ "indent", { execIndent, enabledAnySelection, stateNone, valueNull } },
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{ "insertNewline", { execInsertNewline, enabledAnySelection, stateNone, valueNull } },
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{ "insertOrderedList", { execInsertOrderedList, enabledAnySelection, stateNone, valueNull } },
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{ "insertParagraph", { execInsertParagraph, enabledAnySelection, stateNone, valueNull } },
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{ "insertText", { execInsertText, enabledAnySelection, stateNone, valueNull } },
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{ "insertUnorderedList", { execInsertUnorderedList, enabledAnySelection, stateNone, valueNull } },
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|
{ "italic", { execItalic, enabledAnySelection, stateItalic, valueNull } },
|
|
{ "justifyCenter", { execJustifyCenter, enabledAnySelection, stateNone, valueNull } },
|
|
{ "justifyFull", { execJustifyFull, enabledAnySelection, stateNone, valueNull } },
|
|
{ "justifyLeft", { execJustifyLeft, enabledAnySelection, stateNone, valueNull } },
|
|
{ "justifyNone", { execJustifyLeft, enabledAnySelection, stateNone, valueNull } },
|
|
{ "justifyRight", { execJustifyRight, enabledAnySelection, stateNone, valueNull } },
|
|
{ "outdent", { execOutdent, enabledAnySelection, stateNone, valueNull } },
|
|
#ifndef NO_SUPPORT_PASTE
|
|
{ "paste", { execPaste, enabledPaste, stateNone, valueNull } },
|
|
#else
|
|
{ 0, { 0, 0, 0, 0 } },
|
|
#endif
|
|
{ "print", { execPrint, enabled, stateNone, valueNull } },
|
|
{ "redo", { execRedo, enabledRedo, stateNone, valueNull } },
|
|
{ "selectAll", { execSelectAll, enabled, stateNone, valueNull } },
|
|
{ "StrikeThrough", {execStrikeThrough, enabled, stateStrike, valueNull } },
|
|
{ "subscript", { execSubscript, enabledAnySelection, stateSubscript, valueNull } },
|
|
{ "superscript", { execSuperscript, enabledAnySelection, stateSuperscript, valueNull } },
|
|
{ "underline", { execUnderline, enabledAnySelection, stateUnderline, valueNull } },
|
|
{ "undo", { execUndo, enabledUndo, stateNone, valueNull } },
|
|
{ "unselect", { execUnselect, enabledAnySelection, stateNone, valueNull } }
|
|
|
|
//
|
|
// The "unsupported" commands are listed here since they appear in the Microsoft
|
|
// documentation used as the basis for the list.
|
|
//
|
|
|
|
// 2d-position (not supported)
|
|
// absolutePosition (not supported)
|
|
// blockDirLTR (not supported)
|
|
// blockDirRTL (not supported)
|
|
// browseMode (not supported)
|
|
// clearAuthenticationCache (not supported)
|
|
// createBookmark (not supported)
|
|
// createLink (not supported)
|
|
// dirLTR (not supported)
|
|
// dirRTL (not supported)
|
|
// editMode (not supported)
|
|
// formatBlock (not supported)
|
|
// inlineDirLTR (not supported)
|
|
// inlineDirRTL (not supported)
|
|
// insertButton (not supported)
|
|
// insertFieldSet (not supported)
|
|
// insertHorizontalRule (not supported)
|
|
// insertIFrame (not supported)
|
|
// insertImage (not supported)
|
|
// insertInputButton (not supported)
|
|
// insertInputCheckbox (not supported)
|
|
// insertInputFileUpload (not supported)
|
|
// insertInputHidden (not supported)
|
|
// insertInputImage (not supported)
|
|
// insertInputPassword (not supported)
|
|
// insertInputRadio (not supported)
|
|
// insertInputReset (not supported)
|
|
// insertInputSubmit (not supported)
|
|
// insertInputText (not supported)
|
|
// insertMarquee (not supported)
|
|
// insertOrderedList (not supported)
|
|
// insertSelectDropDown (not supported)
|
|
// insertSelectListBox (not supported)
|
|
// insertTextArea (not supported)
|
|
// insertUnorderedList (not supported)
|
|
// liveResize (not supported)
|
|
// multipleSelection (not supported)
|
|
// open (not supported)
|
|
// overwrite (not supported)
|
|
// playImage (not supported)
|
|
// refresh (not supported)
|
|
// removeFormat (not supported)
|
|
// removeParaFormat (not supported)
|
|
// saveAs (not supported)
|
|
// sizeToControl (not supported)
|
|
// sizeToControlHeight (not supported)
|
|
// sizeToControlWidth (not supported)
|
|
// stop (not supported)
|
|
// stopimage (not supported)
|
|
// strikethrough (not supported)
|
|
// unbookmark (not supported)
|
|
// underline (not supported)
|
|
// unlink (not supported)
|
|
};
|
|
|
|
static CommandDict createCommandDictionary()
|
|
{
|
|
const int numCommands = sizeof(commands) / sizeof(commands[0]);
|
|
CommandDict commandDictionary; // case-insensitive dictionary
|
|
for (int i = 0; i < numCommands; ++i) {
|
|
if (commands[i].name)
|
|
commandDictionary.insert(QString(commands[i].name).toLower(), &commands[i].imp);
|
|
}
|
|
return commandDictionary;
|
|
}
|
|
|
|
const CommandImp *JSEditor::commandImp(const DOMString &command)
|
|
{
|
|
static CommandDict commandDictionary = createCommandDictionary();
|
|
const CommandImp *result = commandDictionary.value( command.string().toLower() );
|
|
#ifdef DEBUG_COMMANDS
|
|
if (!result)
|
|
kDebug() << "[Command is not supported yet]" << command << endl;
|
|
#endif
|
|
return result;
|
|
}
|
|
|
|
const CommandImp *JSEditor::commandImp(int command)
|
|
{
|
|
if (command < 0 || command >= int(sizeof commands / sizeof commands[0]) )
|
|
return 0;
|
|
return &commands[command].imp;
|
|
}
|
|
|
|
|
|
|
|
} // namespace DOM
|
|
|
|
#undef KPAC
|