libjava/gnu/gcj/xlib/natWMSizeHints.cc

   1 /* Copyright (C) 2000  Free Software Foundation
   2
   3    This file is part of libgcj.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   7 details.  */
   8
   9 #include <X11/Xlib.h>
  10 #include <X11/Xutil.h>
  11
  12 #include <gcj/cni.h>
  13 #include <gnu/gcj/RawData.h>
  14 #include <java/lang/OutOfMemoryError.h>
  15
  16 #include <gnu/gcj/xlib/Window.h>
  17 #include <gnu/gcj/xlib/Display.h>
  18 #include <gnu/gcj/xlib/WMSizeHints.h>
  19
  20 void gnu::gcj::xlib::WMSizeHints::init(WMSizeHints* copyFrom)
  21 {
  22   XSizeHints* hints = XAllocSizeHints();
  23   if (hints == 0)
  24     {
  25       jstring errorMessage = JvNewStringLatin1("XAllocSizeHints failed");
  26       throw new java::lang::OutOfMemoryError(errorMessage);
  27     }
  28
  29   if (copyFrom != 0)
  30     {
  31       XSizeHints* from = (XSizeHints*) copyFrom->structure;
  32       (*hints) = (*from);
  33     }
  34   else
  35     {
  36       // Is this necessary?
  37       hints->flags = 0;
  38     }
  39   structure = reinterpret_cast<gnu::gcj::RawData*>(hints);
  40 }
  41
  42 void gnu::gcj::xlib::WMSizeHints::finalize()
  43 {
  44   delete structure;
  45 }
  46
  47 void gnu::gcj::xlib::WMSizeHints::applyNormalHints(gnu::gcj::xlib::Window* window)
  48 {
  49   Display* display = window->display;
  50   ::Display* dpy = (::Display*) display->display;
  51   ::Window win = window->getXID();
  52   XSizeHints* hints = (XSizeHints*) structure;
  53
  54   XSetWMNormalHints(dpy, win, hints);
  55   /* FIXME, alternative?
  56      // X11 source reports XSetWMNormalHints() as an old routine. (?)
  57      XSetWMSizeHints(dpy, win, hints, display->getAtom("WM_NORMAL_HINTS"));
  58   */
  59 }
  60
  61 void gnu::gcj::xlib::WMSizeHints::setMinSize(jint width, jint height)
  62 {
  63   XSizeHints* hints = (XSizeHints*) structure;
  64   hints->min_width = width;
  65   hints->min_height = height;
  66   hints->flags = hints->flags | PMinSize;
  67 }
  68
  69 void gnu::gcj::xlib::WMSizeHints::setMaxSize(jint width, jint height)
  70 {
  71   XSizeHints* hints = (XSizeHints*) structure;
  72   hints->max_width = width;
  73   hints->max_height = height;
  74   hints->flags = hints->flags | PMaxSize;
  75 }