78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <QApplication>
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#include <QTimer>
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#include "qt_dialog.h"
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#include <Xm/Xm.h>
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#include <Xm/PushB.h>
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#include <X11/Intrinsic.h>
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// 全局 Qt 对话框指针
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QtDialog *g_dialog = nullptr;
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// 每次 Motif 回调中处理 Qt 事件
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void processQtEvents()
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{
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auto app = QApplication::instance();
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if (app)
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{
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app->processEvents(); // 处理 Qt 事件，不阻塞
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}
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}
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// 回调函数：点击按钮弹出 Qt Dialog
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void openQtDialog(Widget w, XtPointer client_data, XtPointer call_data)
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{
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auto app = QApplication::instance();
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int argc = 0;
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if (!app)
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{
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app = new QApplication(argc, nullptr);
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}
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if (!g_dialog)
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{
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g_dialog = new QtDialog();
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}
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g_dialog->show(); // 非阻塞显示
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}
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int main(int argc, char **argv)
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{
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XtAppContext app_context;
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Widget toplevel, button;
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toplevel = XtVaAppInitialize(&app_context, "MotifQtApp", NULL, 0,
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&argc, argv, NULL, NULL);
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button = XtVaCreateManagedWidget("Open Qt Dialog",
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xmPushButtonWidgetClass,
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toplevel, NULL);
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XtAddCallback(button, XmNactivateCallback, openQtDialog, NULL);
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XtRealizeWidget(toplevel);
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// Motif 主循环中周期性处理 Qt 事件
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while (1)
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{
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while (XtAppPending(app_context))
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{
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XEvent event;
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XtAppNextEvent(app_context, &event);
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XtDispatchEvent(&event);
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}
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processQtEvents(); // 处理 Qt 事件
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usleep(1000); // 避免 CPU 空转
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}
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return 0;
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}
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