File indexing completed on 2024-05-12 16:34:02

 /* This file is part of the KDE project
    Copyright (C) 2007 Martin Pfeiffer <hubipete@gmx.net>
                  2009 Jeremias Epperlein <jeeree@web.de>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "FormulaToolWidget.h"
 
 #include "KoFormulaTool.h"
 #include "KoFormulaShape.h"
 #include "ElementFactory.h"
 #include "BasicElement.h"
 #include "FormulaCursor.h"
 #include "FormulaDebug.h"
 
 #include <QWidgetAction>
 #include <QTableWidget>
 #include <QAction>
 #include <QHeaderView>
 #include <QMenu>
 
 FormulaToolWidget::FormulaToolWidget( KoFormulaTool* tool, QWidget* parent )
                   : QTabWidget( parent )
 {
     m_tool = tool;
     setupUi( this );
     // setup the element insert menus
     m_fractionMenu.addAction( m_tool->action( "insert_fraction" ) );
     m_fractionMenu.addAction( m_tool->action( "insert_bevelled_fraction" ) );
     
     
     m_fenceMenu.addAction( m_tool->action( "insert_fence" ) );
     m_fenceMenu.addAction( m_tool->action( "insert_enclosed" ) );
     
 
     m_tableMenu.addAction( m_tool->action( "insert_33table" ) );
     m_tableMenu.addAction( m_tool->action( "insert_21table" ) );
 
     m_rootMenu.addAction( m_tool->action( "insert_root" ) );
     m_rootMenu.addAction( m_tool->action( "insert_sqrt" ) );
 
     m_scriptsMenu.addAction( m_tool->action( "insert_subscript" ) );
     m_scriptsMenu.addAction( m_tool->action( "insert_supscript" ) );
     m_scriptsMenu.addAction( m_tool->action( "insert_subsupscript" ) );
     m_scriptsMenu.addAction( m_tool->action( "insert_underscript" ) );
     m_scriptsMenu.addAction( m_tool->action( "insert_overscript" ) );
     m_scriptsMenu.addAction( m_tool->action( "insert_underoverscript" ) );
     
 
     m_alterTableMenu.addAction( m_tool->action( "insert_row") );
     m_alterTableMenu.addAction( m_tool->action( "insert_column") );
     m_alterTableMenu.addAction( m_tool->action( "remove_row") );
     m_alterTableMenu.addAction( m_tool->action( "remove_column") );
 
     // assign menus to toolbuttons
     buttonFence->setMenu( &m_fenceMenu );
     buttonFence->setDefaultAction( m_tool->action( "insert_fence" ) );
     buttonRoot->setMenu( &m_rootMenu );
     buttonRoot->setDefaultAction( m_tool->action( "insert_sqrt" ) );
     buttonFraction->setMenu( &m_fractionMenu );
     buttonFraction->setDefaultAction(m_tool->action("insert_fraction"));
     buttonTable->setMenu( &m_tableMenu );
     buttonTable->setDefaultAction(m_tool->action( "insert_33table"));
     buttonScript->setMenu( &m_scriptsMenu );
     buttonScript->setDefaultAction(m_tool->action( "insert_subscript"));
 
     buttonAlterTable->setMenu(&m_alterTableMenu);
     buttonAlterTable->setDefaultAction(m_tool->action("insert_row"));
     // setup the buttons for symbol insertion
     buttonArrows->setText(QChar(0x2190));
     setupButton(buttonArrows,m_arrowMenu,i18n("Arrows"), symbolsInRange(0x2190,0x21FF));
     buttonGreek->setText(QChar(0x03B2));
     setupButton(buttonGreek,m_greekMenu,i18n("Greek"), symbolsInRange(0x0391,0x03A1)
                                                      <<symbolsInRange(0x03A3,0x03A9)
                                                      <<symbolsInRange(0x03B1,0x03C9));
     buttonRelation->setText(QChar(0x2265));
     setupButton(buttonRelation,m_relationMenu,i18n("Relations"), symbolsInRange(0x223C,0x2292)
                                                                <<symbolsInRange(0x2AAE,0x2ABA));
     buttonOperators->setText(QChar(0x2211));
     setupButton(buttonOperators,m_operatorMenu,i18n("Operators"), symbolsInRange(0x220F,0x2219)
                                                                <<symbolsInRange(0x2227,0x2233)
                                                                <<symbolsInRange(0x2207,0x2208));
     buttonMisc->setText(QChar(0x211A));
     setupButton(buttonMisc,m_miscMenu,i18n("Miscellaneous"), symbolsInRange(0x2200,0x2205)
                                                                    <<symbolsInRange(0x221F,0x2222));
 
     buttonRow->hide();
     connect( buttonLoad, SIGNAL(clicked()), m_tool, SLOT(loadFormula()) );
     connect( buttonSave, SIGNAL(clicked()), m_tool, SLOT(saveFormula()) );
     connect( buttonAlterTable, SIGNAL(triggered(QAction*)), m_tool, SLOT(changeTable(QAction*)));
 }
 
 FormulaToolWidget::~FormulaToolWidget()
 {}
 
 
 void FormulaToolWidget::setFormulaTool( KoFormulaTool* tool )
 {
     m_tool = tool;
 }
 
 
 void FormulaToolWidget::insertSymbol ( QTableWidgetItem* item )
 {
     m_tool->insertSymbol(item->text());
 }
 
 
 void FormulaToolWidget::setupButton ( QToolButton* button, QMenu& menu, const QString& text, QList<QString> list, int length)
 {
     QWidgetAction *widgetaction=new QWidgetAction(button);
     QTableWidget* table= new QTableWidget(list.length()/length,length,button);
     for (int i=0; i<list.length();i++) {
         QTableWidgetItem *newItem = new QTableWidgetItem(list[i]);
         newItem->setFlags(Qt::ItemIsEnabled);
         table->setItem(i/length,i%length, newItem);
     }
     table->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     table->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     table->horizontalHeader()->hide();
     table->verticalHeader()->hide();
     table->resizeColumnsToContents();
     table->resizeRowsToContents();
     table->setShowGrid(false);
     table->setFixedSize(table->horizontalHeader()->length(), table->verticalHeader()->length());
     button->setToolTip(text);
     //TODO: that is a little bit hackish
 //     connect( table,SIGNAL(itemActivated(QTableWidgetItem*)),
 //              table, SIGNAL(itemClicked(QTableWidgetItem*)));
     connect( table,SIGNAL(itemClicked(QTableWidgetItem*)),
              this, SLOT(insertSymbol(QTableWidgetItem*)));
     connect( table,SIGNAL(itemClicked(QTableWidgetItem*)),
              &menu, SLOT(hide()));
     button->setPopupMode(QToolButton::InstantPopup);
     button->setMenu(&menu);
     
     widgetaction->setDefaultWidget(table);
     menu.addAction(widgetaction);
 }
 
 QList< QString > FormulaToolWidget::symbolsInRange ( int first, int last )
 {
     QList<QString> list;
     for (int i=first;i<=last;++i) {
         list.append(QChar(i));
     }
     return list;
 }