foreground window script.

foreground.cpp

#include<queue>
#include<cstdio>
#include<windows.h>

using namespace std;

HWND findWindow(const char* name) {
  queue<HWND> que;
  que.push(GetDesktopWindow());

  while(!que.empty()) {
    HWND p = que.front(); que.pop();
    int l = GetWindowTextLength(p);
    char title[l];
    GetWindowTextA(p, title, l);

    if (strstr(title, name) ) {
      return p;
    }


    for(HWND child = FindWindowEx(p, NULL, NULL, NULL); child != NULL;
        child = FindWindowEx(p, child, NULL, NULL)){
      que.push(child);
    }
  }

  return NULL;
}


int main(int argv, char **args) {
  if (argv < 2) {
    printf("Usage: %s [name]\n", args[0]);
    return 2;
  }

  HWND id = findWindow(args[1]);
  if (id == NULL) 
    return 3;
  return !SetForegroundWindow(id);
}