| 49 | */ |
| 50 | |
| 51 | Window Select_Window(Display *dpy) |
| 52 | { |
| 53 | int status; |
| 54 | Cursor cursor; |
| 55 | XEvent event; |
| 56 | Window target_win = None, root = DefaultRootWindow(dpy); |
| 57 | int buttons = 0; |
| 58 | |
| 59 | /* Make the target cursor */ |
| 60 | cursor = XCreateFontCursor(dpy, XC_crosshair); |
| 61 | |
| 62 | /* Grab the pointer using target cursor, letting it room all over */ |
| 63 | status = XGrabPointer(dpy, root, False, |
| 64 | ButtonPressMask|ButtonReleaseMask, GrabModeSync, |
| 65 | GrabModeAsync, root, cursor, CurrentTime); |
| 66 | if (status != GrabSuccess) Fatal_Error("Can't grab the mouse."); |
| 67 | |
| 68 | /* Let the user select a window... */ |
| 69 | while ((target_win == None) || (buttons != 0)) { |
| 70 | /* allow one more event */ |
| 71 | XAllowEvents(dpy, SyncPointer, CurrentTime); |
| 72 | XWindowEvent(dpy, root, ButtonPressMask|ButtonReleaseMask, &event); |
| 73 | switch (event.type) { |
| 74 | case ButtonPress: |
| 75 | if (target_win == None) { |
| 76 | target_win = event.xbutton.subwindow; /* window selected */ |
| 77 | if (target_win == None) target_win = root; |
| 78 | } |
| 79 | buttons++; |
| 80 | break; |
| 81 | case ButtonRelease: |
| 82 | if (buttons > 0) /* there may have been some down before we started */ |
| 83 | buttons--; |
| 84 | break; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | XUngrabPointer(dpy, CurrentTime); /* Done with pointer */ |
| 89 | |
| 90 | return(target_win); |
| 91 | } |
| 92 | |
| 93 | |
| 94 | /* |
no test coverage detected