This example displays a text editor with the user interface written in pure C++. A similar example which uses Qt Designer to produce the us…
textEdit->textCursor().insertImage(pixmap); 插入超链接 可以使用insertHtml()函数插入超链接,例如: textEdit->insertHtml("Click here to visit our website."); 其他常用函数 setReadOnly(bool):设置文本编辑器是否只读。 setAlignment(Qt::Alignment):设置文本的对齐方式。 setFontFamily(const QString&):设...
用上面的代码里可以看出,Qt 里的文本流操作非常简单。 运行效果: 到此,这个 Notepad 示例的 核心功能就实现完毕啦。感兴趣的小伙伴们请自行阅读 Qt example 里的完整代码吧。 文件IO 是编程世界里非常重要的一环,在 Qt 的许多示例里都要用到这一块知识点,这里我们先初步地了解一下 QTextStream ,后续需要在更...
If true the text edit shows a cursor. This property is set and unset when the text edit gets active focus, but it can also be set directly (useful, for example, if a KeyProxy might forward keys to it). font.bold:bool Sets whether the font weight is bold. ...
示例:简单文本编辑器 (Example: Simple Text Editor)6.1 设计界面 (Designing the Interface)在本节中,我们将创建一个简单的文本编辑器。首先,我们需要设计编辑器的界面,包括一个文本编辑框和一些操作按钮。我们将使用 Qt 的布局管理器和控件来完成这个任务。
The Application example shows how to implement a standard GUI application with menus, toolbars, and a status bar. The example itself is a simple text editor program built aroundQPlainTextEdit. Nearly all of the code for the Application example is in the MainWindow class, which inheritsQMainWin...
#include <QPlainTextEdit> InheritsQAbstractScrollArea. This class was introduced in Qt 4.4. When QPlainTextEdit is used read-only the key bindings are limited to navigation, and text may only be selected with the mouse: Using QPlainTextEdit as an Editor ...
Code Editor Example : https://doc.qt.io/qt-5/qtwidgets-widgets-codeeditor-example.html Syntax Highlighter Example : https://doc.qt.io/qt-5/qtwidgets-richtext-syntaxhighlighter-example.html 本篇文章参考网上资料以及Qt官方文档,又加入了对文件增删改查等功能,已经是一个较为完整的小项目了。先上一...
Name 和 Address 只 显示文本,可用 QLabel 实现,Qt 中其描述为 ”QLabel is used for displaying text or an image. No user interaction functionality is provided“ 2) 单行编辑框 用QLineEdit 实现,其描述为 ”The QLineEdit widget is a one-line text editor“ ...
class Example(QWidget): def __init__(self): super().__init__() self.initUI() def initUI(self): self.btn = QPushButton('Dialog', self) self.btn.move(20, 20) self.btn.clicked.connect(self.showDialog) self.le = QLineEdit(self) self.le.move(130, 22) self.setGeo...