102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
#include "widget.h"
|
|
|
|
#include <QApplication>
|
|
#include <QList>
|
|
#include <QObject>
|
|
|
|
|
|
#include <QList>
|
|
#include <QDebug>
|
|
|
|
// X11 一种可能性是添加 QTextStream 包含该错误出现的位置。
|
|
|
|
// 至于 X11 相关的错误，请尝试将 X11 包含在 Qt 包含之后。
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xatom.h>
|
|
#include <X11/X.h>
|
|
#include <unistd.h>
|
|
|
|
// https://www.jianshu.com/p/c906fbe1ad00
|
|
// https://stackoverflow.com/questions/1201179/how-to-identify-top-level-x11-windows-using-xlib
|
|
// https://www.cnblogs.com/alalazy/p/12323089.html
|
|
class WindowsMatchingPid
|
|
{
|
|
public:
|
|
WindowsMatchingPid(Display *display, Window wRoot, unsigned long pid)
|
|
: _display(display)
|
|
, _pid(pid)
|
|
{
|
|
_atomPID = XInternAtom(display, "_NET_WM_PID", True);
|
|
if(_atomPID == None)
|
|
{
|
|
return;
|
|
}
|
|
|
|
search(wRoot);
|
|
}
|
|
|
|
const QList<Window> result() const { return _result; }
|
|
|
|
private:
|
|
unsigned long _pid;
|
|
Atom _atomPID;
|
|
Display *_display;
|
|
QList<Window> _result;
|
|
|
|
void search(Window w)
|
|
{
|
|
Atom type;
|
|
int format;
|
|
unsigned long nItems;
|
|
unsigned long bytesAfter;
|
|
unsigned char *propPID = 0;
|
|
if(Success == XGetWindowProperty(_display, w, _atomPID, 0, 1, False, XA_CARDINAL,
|
|
&type, &format, &nItems, &bytesAfter, &propPID))
|
|
{
|
|
if(propPID != 0)
|
|
{
|
|
if(_pid == *((unsigned long *)propPID))
|
|
_result.append(w);
|
|
XFree(propPID);
|
|
}
|
|
}
|
|
|
|
Window wRoot;
|
|
Window wParent;
|
|
Window *wChild;
|
|
unsigned nChildren;
|
|
if(0 != XQueryTree(_display, w, &wRoot, &wParent, &wChild, &nChildren))
|
|
{
|
|
for(unsigned i = 0; i < nChildren; i++)
|
|
search(wChild[i]);
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
QApplication a(argc, argv);
|
|
// Widget w;
|
|
// w.show();
|
|
|
|
QList<QObject*> m_pformList;
|
|
|
|
int pid = getpid();
|
|
Display *display = XOpenDisplay(0);
|
|
WindowsMatchingPid match(display, XDefaultRootWindow(display), pid);
|
|
const QList<Window> result = match.result();
|
|
for(int i=0; i<result.count();i++)
|
|
{
|
|
unsigned long winId = (unsigned long)(result.at(i));
|
|
QWidget* win = QWidget::find(winId);
|
|
if(win!=NULL&&win->isWindow()&&win->isVisible()){
|
|
m_pformList.append((QObject*)win);
|
|
}
|
|
}
|
|
|
|
XCloseDisplay(display);
|
|
|
|
return a.exec();
|
|
}
|