init

autocomple.cpp

@@ -0,0 +1,176 @@
+/*
+    This file is part of cPad Project.
+
+    cPad is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    cPad 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cPad.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <QtGui>
+#include "autocomple.h"
+
+AutoComple::AutoComple(CodeEditor *editor)
+{
+    codeEditor = editor;
+    memoryCenter = new MemoryCenter;
+    setGeometry(100, 100, 200, 60);
+    setWindowFlags(Qt::Popup);
+    //setWindowModality(Qt::WindowModal);
+    setFocus(Qt::MouseFocusReason);
+    setFont(codeEditor->font());
+    connect(this, SIGNAL(itemActivated(QListWidgetItem*)),
+            this, SLOT(compleString(QListWidgetItem*)));
+    connect(this, SIGNAL(itemPressed(QListWidgetItem*)),
+            this, SLOT(compleString(QListWidgetItem*)));
+}
+
+void AutoComple::compleString(QListWidgetItem *item)
+{
+    QString word( item->text() );
+    word.remove(0, matchLength);
+    QTextCursor tcr( codeEditor->textCursor() );
+    tcr.insertText(word);
+    codeEditor->setTextCursor(tcr);
+    this->close();
+}
+
+void AutoComple::doAutoComple(int mode)
+{
+    if (autoCompleCheck(mode)) {
+        //show之前计算坐标
+        QTextCursor tcr(codeEditor->textCursor());
+        QPoint pp = codeEditor->getCompleXY();
+        setGeometry(pp.x(), pp.y(), this->width(), this->height());
+        show();
+    }
+    else 
+        close();
+}
+
+bool AutoComple::autoCompleCheck(int mode)
+{
+    QTextCursor tcr( codeEditor->textCursor() );
+    QTextBlock blk( tcr.block() );
+    QString halfLineText = blk.text();
+    int posA( blk.position() ), posB( tcr.position() );
+    int length( halfLineText.length() );
+    halfLineText.remove( posB-posA, length-(posB-posA) );
+
+    if (halfLineText.endsWith(" ") || halfLineText.isEmpty() ) 
+        return false;
+    else {
+        LineHeadPointer *lineHeadTemp;
+        LexicalAnalysis *wordTemp;
+        CompleList *findCompleResult;
+        QString wordString;
+        //matchNumber = matchLength = 0;
+        //matchNumber是返回的链表的长度;matchLength是当前半词长度
+        //这里必须先保证最后一个字符不是空格
+        memoryCenter -> analysisMain ( halfLineText );//参数为当前行内容
+        lineHeadTemp = memoryCenter -> getLineHead ( );
+        for ( ; lineHeadTemp -> nextLine ; lineHeadTemp = lineHeadTemp -> nextLine );
+        for ( wordTemp = lineHeadTemp -> firstWord ; wordTemp -> nextWord ; wordTemp = wordTemp -> nextWord );
+        if ( wordTemp -> wordCategory == 92 || ( wordTemp -> wordCategory >= 50 && wordTemp -> wordCategory <= 89 ) )
+        {
+            wordString = wordTemp -> wordContent;
+            if (mode) {
+                QString codeText( codeEditor->toPlainText() );
+                memoryCenter -> analysisMain ( codeText );//参数为全文内容
+                memoryCenter -> makeCompleList ( );
+            }
+            findCompleResult = memoryCenter -> findCompleList ( wordString , matchNumber , matchLength );
+        }
+        else
+            findCompleResult = NULL;
+
+        if (!findCompleResult)
+            return false;
+
+        this->clear();//清除原来的数据
+        QListWidgetItem *i;
+
+        int maxLength = 0, tempLength;
+        QString maxWord;
+        for ( int j = matchNumber; j; j-- , findCompleResult = findCompleResult -> nextComple )
+        {
+            i = new QListWidgetItem();
+            i->setText(findCompleResult -> compleName);
+            tempLength = (i->text()).length(); 
+            if (tempLength > maxLength) { 
+                maxLength = tempLength;
+                maxWord = i->text();
+            }
+            i->setData(Qt::UserRole, findCompleResult -> compleNameLength);
+            this->addItem(i);
+        }
+        this->setCurrentRow(0);
+        /*if (matchNumber == 1) {
+            emit itemActivated(item(0));
+            return false;
+        }*/
+        if (matchNumber >= 5) {
+            this->setFixedHeight(5*(fontMetrics().height()+4));
+            maxWord.append("    ");
+        }
+        else {
+            this->setFixedHeight(matchNumber*(fontMetrics().height()+4));
+            maxWord.append("   ");
+        }
+
+        this->setFixedWidth(fontMetrics().width(maxWord));
+        return true;
+    }
+}
+
+void AutoComple::fontSettings(QFont f)
+{
+    setFont(f);
+}
+
+void AutoComple::keyPressEvent(QKeyEvent *event) 
+{
+    //QPlainTextEdit::keyPressEvent(event); 
+    if ( event->key() == Qt::Key_Escape ) {
+       close();
+       return;
+    }
+    else if (event->key() == Qt::Key_Down ||
+             event->key() == Qt::Key_Up ) {
+        QListWidget::keyPressEvent(event);
+        return;
+    }
+    else if (event->key() == Qt::Key_Left ||
+             event->key() == Qt::Key_Right ) {
+        codeEditor->keyPressEvent(event);
+        doAutoComple(0);
+        return;
+    }
+    else if (event->key() == Qt::Key_Return) {
+        emit itemActivated(currentItem());
+        close();
+        return;
+    }
+    else if ( event->modifiers() == Qt::AltModifier && event->key() == Qt::Key_N ) {
+        QKeyEvent my(QEvent::KeyPress, Qt::Key_Down, Qt::NoModifier);
+        keyPressEvent(&my);
+        return;
+    }
+    else if ( event->modifiers() == Qt::AltModifier && event->key() == Qt::Key_P ) {
+        QKeyEvent my(QEvent::KeyPress, Qt::Key_Up, Qt::NoModifier);
+        keyPressEvent(&my);
+        return;
+    }
+
+    codeEditor->keyPressEvent(event);
+    doAutoComple(0);
+
+    QListWidget::keyPressEvent(event);
+}

autocomple.h

@@ -0,0 +1,42 @@
+/*
+    This file is part of cPad Project.
+
+    cPad is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    cPad 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cPad.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef AUTOCOMPLE_H
+#define AUTOCOMPLE_H
+
+#include <QListWidget>
+#include "codeeditor.h"
+#include "memorycenter.h"
+
+class AutoComple : public QListWidget
+{
+        Q_OBJECT
+    public:
+        AutoComple(CodeEditor *editor);
+    protected:
+        void keyPressEvent(QKeyEvent *event);
+    private slots:
+        void doAutoComple(int mode=1);
+        void compleString(QListWidgetItem *item);
+        void fontSettings(QFont f);
+    private:
+        bool autoCompleCheck(int mode);
+        int matchNumber, matchLength;
+        CodeEditor *codeEditor;
+        MemoryCenter *memoryCenter;
+};
+
+#endif // AUTOCOMPLE_H

centerwidget.cpp

@@ -0,0 +1,32 @@
+/*
+    This file is part of cPad Project.
+
+    cPad is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    cPad 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cPad.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <QtGui>
+#include "centerwidget.h"
+
+CenterWidget::CenterWidget(QWidget *parent):
+    QWidget(parent)
+{
+    codeEditor = new CodeEditor(this);
+    centerLayout = new QGridLayout(this);
+    syntaxHighlighter = new SyntaxHighlighter(codeEditor->document());
+
+    centerLayout->addWidget( codeEditor, 0, 0, 1, 1 );
+    centerLayout->setSpacing(0);
+    centerLayout->setContentsMargins( 0, 0, 0, 0 );
+
+    setLayout(centerLayout);
+}

centerwidget.h

@@ -0,0 +1,39 @@
+/*
+    This file is part of cPad Project.
+
+    cPad is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    cPad 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with cPad.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef CENTERWIDGET_H
+#define CENTERWIDGET_H
+
+#include <QWidget>
+#include "codeeditor.h"
+#include "syntaxhighlighter.h"
+
+QT_BEGIN_NAMESPACE
+class QGridLayout;
+QT_END_NAMESPACE
+
+class CenterWidget : public QWidget
+{
+        Q_OBJECT
+    public:
+        CenterWidget(QWidget *parent = 0);
+        CodeEditor *codeEditor;
+        QGridLayout *centerLayout;
+        SyntaxHighlighter *syntaxHighlighter;
+};
+
+
+#endif // CENTERWIDGET_H