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  • 大小: 13.15MB
    文件類型: .rar
    金幣: 1
    下載: 0 次
    發(fā)布日期: 2023-07-21
  • 語言: 其他
  • 標簽: Qt5??codeEditor??Demo??

資源簡介

一個簡單的代碼編輯器 支持文本高亮代碼字符自動補全。

資源截圖

代碼片段和文件信息

#include“CodeEditor.h“
#include
#include
#include

CodeEditor::CodeEditor(QWidget*?parent)?:QPlainTextEdit(parent)
{
QFont*?codeFont?=?new?QFont(“微軟雅黑“?14?10);
this->setFont(*codeFont);
this->setstyleSheet(“background-color:?#fedcbd“);
this->lineNumberArea?=?new?LineNumberArea(this);

connect(this?&QPlainTextEdit::blockCountChanged?this?&CodeEditor::updateLineNumberAreaWidth);
connect(this?&QPlainTextEdit::updateRequest?this?&CodeEditor::updateLineNumberArea);
connect(this?&QPlainTextEdit::cursorPositionchanged?this?&CodeEditor::highlightCurrentLine);

this->updateLineNumberAreaWidth(0);
this->highlightCurrentLine();
}

int?CodeEditor::lineNumberAreaWidth()
{
int?digits?=?1;
int?max?=?qMax(1?blockCount());
while?(max?>=?10)?{
max?/=?10;
++digits;
}

int?space?=?10?+?fontMetrics().width(QLatin1Char(‘14‘))?*?digits;

return?space;
}

void?CodeEditor::findClass()
{

}

void?CodeEditor::findFunc()
{

}

void?CodeEditor::findVar()
{

}

//-------------------Slots?Func------------------------

void?CodeEditor::updateLineNumberAreaWidth(int?newBlockCount)
{
setViewportMargins(lineNumberAreaWidth()?0?0?0);
}

void?CodeEditor::updateLineNumberArea(const?QRect?&rect?int?dy)
{
if?(dy)
this->lineNumberArea->scroll(0?dy);
else
this->lineNumberArea->update(0?rect.y()?lineNumberArea->width()?rect.height());

if?(rect.contains(this->viewport()->rect()))
this->updateLineNumberAreaWidth(0);
}

void?CodeEditor::resizeEvent(QResizeEvent?*e)
{
QPlainTextEdit::resizeEvent(e);

QRect?cr?=?contentsRect();
lineNumberArea->setGeometry(QRect(cr.left()?cr.top()?lineNumberAreaWidth()?cr.height()));
}

void?CodeEditor::highlightCurrentLine()
{
QList?extraSelections;

if?(!isReadOnly())
{
QTextEdit::ExtraSelection?selection;

QColor?lineColor?=?QColor(Qt::yellow).lighter(160);

selection.format.setBackground(lineColor);
selection.format.setProperty(QTextFormat::FullWidthSelection?true);
selection.cursor?=?this->textCursor();
selection.cursor.clearSelection();
extraSelections.append(selection);
}
this->setExtraSelections(extraSelections);
}

//-------------------------------Event?Func------------------------------

void?CodeEditor::lineNumberAreaPaintEvent(QPaintEvent?*event)
{
QPainter?painter(lineNumberArea);
painter.fillRect(event->rect()?Qt::lightGray);

//![extraAreaPaintEvent_0]

//![extraAreaPaintEvent_1]
QTextBlock?block?=?firstVisibleBlock();
int?blockNumber?=?block.blockNumber();
int?top?=?(int)blockBoundingGeometry(block).translated(contentOffset()).top();
int?bottom?=?top?+?(int)blockBoundingRect(block).height();
//![extraAreaPaintEvent_1]

//![extraAreaPaintEvent_2]
while?(block.isValid()?&&?top?<=?event->rect().bottom())?{
if?(block.isVisible()?&&?bottom?>=?event->rect().top())?{
QString?number?=?QString

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????52224??2018-04-18?20:15??CodeEditor\.vs\CodeEditor\v14\.suo

?????文件???????3989??2018-04-18?19:39??CodeEditor\CodeEditor\CodeEditor.cpp

?????文件???????1310??2018-04-18?20:03??CodeEditor\CodeEditor\CodeEditor.h

?????文件???????9386??2018-04-18?19:39??CodeEditor\CodeEditor\CodeEditor.vcxproj

?????文件???????2031??2018-04-18?19:39??CodeEditor\CodeEditor\CodeEditor.vcxproj.filters

?????文件????????629??2018-04-18?20:13??CodeEditor\CodeEditor\CodeEditor.vcxproj.user

?????文件???????4192??2018-04-01?19:53??CodeEditor\CodeEditor\GeneratedFiles\Debug\moc_CodeEditoe.cpp

?????文件???????3981??2018-04-18?19:40??CodeEditor\CodeEditor\GeneratedFiles\Debug\moc_MainWindow.cpp

?????文件???????2770??2018-04-02?17:12??CodeEditor\CodeEditor\GeneratedFiles\Debug\moc_ToolDialog.cpp

?????文件???????1414??2018-04-18?19:39??CodeEditor\CodeEditor\GeneratedFiles\qrc_ToolDialog.cpp

?????文件???????1374??2018-04-18?19:39??CodeEditor\CodeEditor\GeneratedFiles\ui_ToolDialog.h

?????文件????????178??2018-04-02?17:33??CodeEditor\CodeEditor\main.cpp

?????文件???????3783??2018-04-18?19:41??CodeEditor\CodeEditor\MainWindow.cpp

?????文件????????860??2018-04-18?19:40??CodeEditor\CodeEditor\MainWindow.h

?????文件???????2246??2018-04-03?17:09??CodeEditor\CodeEditor\StackNoBottom.h

?????文件??????????7??2018-04-02?19:58??CodeEditor\CodeEditor\test.txt

?????文件?????????70??2018-04-01?19:21??CodeEditor\CodeEditor\ToolDialog.qrc

?????文件????????604??2018-04-01?19:21??CodeEditor\CodeEditor\ToolDialog.ui

?????文件????????306??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.log

?????文件?????386744??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.obj

?????文件??????14102??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\CL.command.1.tlog

?????文件?????181822??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\CL.read.1.tlog

?????文件??????24814??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\CL.write.1.tlog

?????文件????????225??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\CodeEditor.lastbuildstate

?????文件???????9722??2018-04-18?19:40??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\CodeEditor.write.1u.tlog

?????文件???????2578??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\link.command.1.tlog

?????文件???????5020??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\link.read.1.tlog

?????文件???????1502??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\CodeEditor.tlog\link.write.1.tlog

?????文件??????89860??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\main.obj

?????文件?????196698??2018-04-18?20:04??CodeEditor\CodeEditor\x64\Debug\MainWindow.obj

............此處省略29個文件信息

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