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‎autocomple.cpp

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/*
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This file is part of cPad Project.
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cPad is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cPad is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cPad. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QtGui>
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#include "autocomple.h"
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AutoComple::AutoComple(CodeEditor *editor)
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{
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codeEditor = editor;
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memoryCenter = new MemoryCenter;
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setGeometry(100, 100, 200, 60);
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setWindowFlags(Qt::Popup);
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//setWindowModality(Qt::WindowModal);
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setFocus(Qt::MouseFocusReason);
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setFont(codeEditor->font());
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connect(this, SIGNAL(itemActivated(QListWidgetItem*)),
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this, SLOT(compleString(QListWidgetItem*)));
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connect(this, SIGNAL(itemPressed(QListWidgetItem*)),
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this, SLOT(compleString(QListWidgetItem*)));
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}
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void AutoComple::compleString(QListWidgetItem *item)
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{
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QString word( item->text() );
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word.remove(0, matchLength);
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QTextCursor tcr( codeEditor->textCursor() );
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tcr.insertText(word);
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codeEditor->setTextCursor(tcr);
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this->close();
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}
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void AutoComple::doAutoComple(int mode)
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{
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if (autoCompleCheck(mode)) {
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//show之前计算坐标
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QTextCursor tcr(codeEditor->textCursor());
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QPoint pp = codeEditor->getCompleXY();
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setGeometry(pp.x(), pp.y(), this->width(), this->height());
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show();
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}
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else
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close();
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}
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bool AutoComple::autoCompleCheck(int mode)
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{
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QTextCursor tcr( codeEditor->textCursor() );
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QTextBlock blk( tcr.block() );
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QString halfLineText = blk.text();
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int posA( blk.position() ), posB( tcr.position() );
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int length( halfLineText.length() );
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halfLineText.remove( posB-posA, length-(posB-posA) );
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if (halfLineText.endsWith(" ") || halfLineText.isEmpty() )
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return false;
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else {
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LineHeadPointer *lineHeadTemp;
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LexicalAnalysis *wordTemp;
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CompleList *findCompleResult;
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QString wordString;
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//matchNumber = matchLength = 0;
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//matchNumber是返回的链表的长度;matchLength是当前半词长度
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//这里必须先保证最后一个字符不是空格
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memoryCenter -> analysisMain ( halfLineText );//参数为当前行内容
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lineHeadTemp = memoryCenter -> getLineHead ( );
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for ( ; lineHeadTemp -> nextLine ; lineHeadTemp = lineHeadTemp -> nextLine );
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for ( wordTemp = lineHeadTemp -> firstWord ; wordTemp -> nextWord ; wordTemp = wordTemp -> nextWord );
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if ( wordTemp -> wordCategory == 92 || ( wordTemp -> wordCategory >= 50 && wordTemp -> wordCategory <= 89 ) )
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{
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wordString = wordTemp -> wordContent;
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if (mode) {
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QString codeText( codeEditor->toPlainText() );
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memoryCenter -> analysisMain ( codeText );//参数为全文内容
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memoryCenter -> makeCompleList ( );
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}
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findCompleResult = memoryCenter -> findCompleList ( wordString , matchNumber , matchLength );
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}
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else
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findCompleResult = NULL;
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if (!findCompleResult)
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return false;
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this->clear();//清除原来的数据
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QListWidgetItem *i;
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int maxLength = 0, tempLength;
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QString maxWord;
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for ( int j = matchNumber; j; j-- , findCompleResult = findCompleResult -> nextComple )
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{
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i = new QListWidgetItem();
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i->setText(findCompleResult -> compleName);
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tempLength = (i->text()).length();
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if (tempLength > maxLength) {
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maxLength = tempLength;
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maxWord = i->text();
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}
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i->setData(Qt::UserRole, findCompleResult -> compleNameLength);
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this->addItem(i);
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}
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this->setCurrentRow(0);
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/*if (matchNumber == 1) {
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emit itemActivated(item(0));
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return false;
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}*/
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if (matchNumber >= 5) {
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this->setFixedHeight(5*(fontMetrics().height()+4));
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maxWord.append(" ");
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}
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else {
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this->setFixedHeight(matchNumber*(fontMetrics().height()+4));
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maxWord.append(" ");
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}
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this->setFixedWidth(fontMetrics().width(maxWord));
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return true;
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}
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}
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void AutoComple::fontSettings(QFont f)
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{
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setFont(f);
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}
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void AutoComple::keyPressEvent(QKeyEvent *event)
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{
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//QPlainTextEdit::keyPressEvent(event);
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if ( event->key() == Qt::Key_Escape ) {
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close();
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return;
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}
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else if (event->key() == Qt::Key_Down ||
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event->key() == Qt::Key_Up ) {
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QListWidget::keyPressEvent(event);
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return;
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}
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else if (event->key() == Qt::Key_Left ||
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event->key() == Qt::Key_Right ) {
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codeEditor->keyPressEvent(event);
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doAutoComple(0);
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return;
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}
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else if (event->key() == Qt::Key_Return) {
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emit itemActivated(currentItem());
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close();
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return;
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}
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else if ( event->modifiers() == Qt::AltModifier && event->key() == Qt::Key_N ) {
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QKeyEvent my(QEvent::KeyPress, Qt::Key_Down, Qt::NoModifier);
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keyPressEvent(&my);
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return;
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}
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else if ( event->modifiers() == Qt::AltModifier && event->key() == Qt::Key_P ) {
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QKeyEvent my(QEvent::KeyPress, Qt::Key_Up, Qt::NoModifier);
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keyPressEvent(&my);
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return;
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}
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codeEditor->keyPressEvent(event);
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doAutoComple(0);
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QListWidget::keyPressEvent(event);
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}

‎autocomple.h

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/*
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This file is part of cPad Project.
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cPad is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
8+
9+
cPad is distributed in the hope that it will be useful,
10+
but WITHOUT ANY WARRANTY; without even the implied warranty of
11+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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14+
You should have received a copy of the GNU General Public License
15+
along with cPad. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef AUTOCOMPLE_H
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#define AUTOCOMPLE_H
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#include <QListWidget>
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#include "codeeditor.h"
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#include "memorycenter.h"
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class AutoComple : public QListWidget
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{
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Q_OBJECT
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public:
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AutoComple(CodeEditor *editor);
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protected:
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void keyPressEvent(QKeyEvent *event);
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private slots:
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void doAutoComple(int mode=1);
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void compleString(QListWidgetItem *item);
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void fontSettings(QFont f);
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private:
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bool autoCompleCheck(int mode);
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int matchNumber, matchLength;
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CodeEditor *codeEditor;
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MemoryCenter *memoryCenter;
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};
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#endif // AUTOCOMPLE_H

‎centerwidget.cpp

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/*
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This file is part of cPad Project.
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cPad is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
8+
9+
cPad is distributed in the hope that it will be useful,
10+
but WITHOUT ANY WARRANTY; without even the implied warranty of
11+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12+
GNU General Public License for more details.
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14+
You should have received a copy of the GNU General Public License
15+
along with cPad. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QtGui>
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#include "centerwidget.h"
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CenterWidget::CenterWidget(QWidget *parent):
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QWidget(parent)
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{
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codeEditor = new CodeEditor(this);
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centerLayout = new QGridLayout(this);
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syntaxHighlighter = new SyntaxHighlighter(codeEditor->document());
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centerLayout->addWidget( codeEditor, 0, 0, 1, 1 );
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centerLayout->setSpacing(0);
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centerLayout->setContentsMargins( 0, 0, 0, 0 );
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setLayout(centerLayout);
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}

‎centerwidget.h

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/*
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This file is part of cPad Project.
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cPad is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
6+
the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
8+
9+
cPad is distributed in the hope that it will be useful,
10+
but WITHOUT ANY WARRANTY; without even the implied warranty of
11+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12+
GNU General Public License for more details.
13+
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You should have received a copy of the GNU General Public License
15+
along with cPad. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CENTERWIDGET_H
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#define CENTERWIDGET_H
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#include <QWidget>
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#include "codeeditor.h"
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#include "syntaxhighlighter.h"
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QT_BEGIN_NAMESPACE
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class QGridLayout;
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QT_END_NAMESPACE
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class CenterWidget : public QWidget
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{
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Q_OBJECT
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public:
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CenterWidget(QWidget *parent = 0);
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CodeEditor *codeEditor;
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QGridLayout *centerLayout;
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SyntaxHighlighter *syntaxHighlighter;
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};
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#endif // CENTERWIDGET_H

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