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POQt: How does *.ui files and *.qss files get associated with MainWindow class instance?
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  1. POQt: How does *.ui files and *.qss files get associated with MainWindow class instance?
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    copied!<p>It's still somewhat of a mystery. I used the stylesheet Qt example application, where it demonstrates usage of *.ui and *.qss files.</p> <p>They have a main window class which is designed in a *.ui. The code however contains no references at all to any *.ui or *.qss and yet they are associated at runtime. I can't understand how. </p> <p>this is the code to initialize the main window;</p> <pre><code>int main(int argc, char *argv[]) { Q_INIT_RESOURCE(stylesheet); QApplication app(argc, argv); MainWindow window; window.show(); return app.exec(); } </code></pre> <p>This is the code for mainwindow...</p> <p>*.h:</p> <pre><code>#ifndef MAINWINDOW_H #define MAINWINDOW_H #include &lt;QtGui&gt; #include "ui_mainwindow.h" class StyleSheetEditor; class MainWindow : public QMainWindow { Q_OBJECT public: MainWindow(); private slots: void on_editStyleAction_triggered(); void on_aboutAction_triggered(); private: StyleSheetEditor *styleSheetEditor; Ui::MainWindow ui; }; #endif </code></pre> <p>*.cpp:</p> <pre><code>include &lt;QtGui&gt; #include "mainwindow.h" #include "stylesheeteditor.h" MainWindow::MainWindow() { ui.setupUi(this); ui.nameLabel-&gt;setProperty("class", "mandatory QLabel"); styleSheetEditor = new StyleSheetEditor(this); statusBar()-&gt;addWidget(new QLabel(tr("Ready"))); connect(ui.exitAction, SIGNAL(triggered()), qApp, SLOT(quit())); connect(ui.aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt())); } void MainWindow::on_editStyleAction_triggered() { styleSheetEditor-&gt;show(); styleSheetEditor-&gt;activateWindow(); } void MainWindow::on_aboutAction_triggered() { QMessageBox::about(this, tr("About Style sheet"), tr("The &lt;b&gt;Style Sheet&lt;/b&gt; example shows how widgets can be styled " "using &lt;a href=\"http://qt.nokia.com/doc/4.5/stylesheet.html\"&gt;Qt " "Style Sheets&lt;/a&gt;. Click &lt;b&gt;File|Edit Style Sheet&lt;/b&gt; to pop up the " "style editor, and either choose an existing style sheet or design " "your own.")); } </code></pre> <p>Can anyone explain why it awakens with the contents of a *.ui file in my resources?</p>
 

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