Init crash

This commit is contained in:
2025-08-31 00:03:00 +08:00
parent f9eaf6c084
commit fef67a02c9
5 changed files with 137 additions and 0 deletions

77
motif_app.cpp Normal file
View File

@@ -0,0 +1,77 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <QApplication>
#include <QTimer>
#include "qt_dialog.h"
#include <Xm/Xm.h>
#include <Xm/PushB.h>
#include <X11/Intrinsic.h>
// 全局 Qt 对话框指针
QtDialog *g_dialog = nullptr;
// 每次 Motif 回调中处理 Qt 事件
void processQtEvents()
{
auto app = QApplication::instance();
if (app)
{
app->processEvents(); // 处理 Qt 事件,不阻塞
}
}
// 回调函数:点击按钮弹出 Qt Dialog
void openQtDialog(Widget w, XtPointer client_data, XtPointer call_data)
{
auto app = QApplication::instance();
int argc = 0;
if (!app)
{
app = new QApplication(argc, nullptr);
}
if (!g_dialog)
{
g_dialog = new QtDialog();
}
g_dialog->show(); // 非阻塞显示
}
int main(int argc, char **argv)
{
XtAppContext app_context;
Widget toplevel, button;
toplevel = XtVaAppInitialize(&app_context, "MotifQtApp", NULL, 0,
&argc, argv, NULL, NULL);
button = XtVaCreateManagedWidget("Open Qt Dialog",
xmPushButtonWidgetClass,
toplevel, NULL);
XtAddCallback(button, XmNactivateCallback, openQtDialog, NULL);
XtRealizeWidget(toplevel);
// Motif 主循环中周期性处理 Qt 事件
while (1)
{
while (XtAppPending(app_context))
{
XEvent event;
XtAppNextEvent(app_context, &event);
XtDispatchEvent(&event);
}
processQtEvents(); // 处理 Qt 事件
usleep(1000); // 避免 CPU 空转
}
return 0;
}