Search or jump to... Search code, repositories, users, issues, pull requests... Provide feedback We read every piece of feedback, and take your input very seriously. Include my email address so I can be contacted Cancel Submit feedback Saved searches Use saved searches to filter your...
(10); // 创建一个长度为10的字符串向量,初始值为"Pass" QVector<QString> vector2(10, "Pass"); // 创建一个字符串向量vector,如果向量的第一个元素是"zero",将其改为"one" QVector<QString> vector = {"zero", "two", "three"}; if (vector[0] == "zero") vector[0] = "one"; //...
In this example, when the table view needs to provide an editor, it asks the delegate to provide an editor widget that is appropriate for the item being modified. The createEditor() function is supplied with everything that the delegate needs to be able to set up a suitable widget: QWid...
The tick labels (the numbers) of the axes never reach outside the widget border, even when they get wider. This is due to the automatic margin calculation, which is turned on by default. It makes the axis rect shrink if the tick labels and axis labels need more space. If you don't...
An example usage of QStandardItemModel to create a table: QStandardItemModel model(4, 4); for (int row = 0; row < 4; ++row) { for (int column = 0; column < 4; ++column) { QStandardItem *item = new QStandardItem(QString("row %0, column %1").arg(row).arg(column)); model.setI...
\row \i Ctrl+Wheel \i Zooms the text. \row \i Ctrl+A \i Selects all text. \endtable \section1 Using QPlainTextEdit as an Editor All the information about using QPlainTextEdit as a display widget also applies here. Selection of text is handled by the QTextCursor class, which ...
= SQLITE_OK) { perror("sev sqlite3_table error\n"); return; } // 如果行大于零则代表有数据成功 if (row > 0) { strcpy(dic.text, "login successs"); } else { strcpy(dic.text, "login loose,please check your name or password!"); } cJSON *data = cJSON_CreateObject(); cJSON_...
Qt中继承QWidget之后,样式表不起作用,解决办法有三个。强烈推荐方法一。方法一:设置属性 this->setAttribute(Qt::WA_StyledBackground, true); 方法二:改成继承QFrame,因为QFrame自带paintEvent函数已做了实现,在使用样式表时会进行解析和绘制。 方法三:重新实现QWidget的paintEvent函数时,使用QStylePainter绘制。void...
celly->dynamiccall( "setvalue(const qvariant&)",qvariant(ui->tablewidget->formula(i,1).toint())); } workbook->dynamiccall( "saveas(const qstring&)",qdir...
QCustomPlot是一个小型的qt画图标类,效果可以,易用,只需要在项目中加入头文件qcustomplot.h和qcustomplot.cpp文件,然后使一个widget提升为QCustomPlot类,即可使用。 QCustomPlot 可以导出为各种格式,如矢量化 PDF 文件和光栅化图像,如 PNG、JPG 和 BMP。QCustomPlot 是在应用程序内显示实时数据以及为其他...