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//
// "$Id: Fl_Window_hotspot.cxx 5697 2007-02-13 14:38:43Z matt $"
//
// Common hotspot routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2005 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/x.H>
#include <stdio.h>
void Fl_Window::hotspot(int X, int Y, int offscreen) {
int mx,my;
// Update the screen position based on the mouse position.
Fl::get_mouse(mx,my);
X = mx-X; Y = my-Y;
// If offscreen is 0 (the default), make sure that the window
// stays on the screen, if possible.
if (!offscreen) {
int scr_x, scr_y, scr_w, scr_h;
Fl::screen_xywh(scr_x, scr_y, scr_w, scr_h);
int top = 0;
int left = 0;
int right = 0;
int bottom = 0;
if (border()) {
#ifdef WIN32
if (size_range_set && (maxw != minw || maxh != minh)) {
left = right = GetSystemMetrics(SM_CXSIZEFRAME);
top = bottom = GetSystemMetrics(SM_CYSIZEFRAME);
} else {
left = right = GetSystemMetrics(SM_CXFIXEDFRAME);
top = bottom = GetSystemMetrics(SM_CYFIXEDFRAME);
}
top += GetSystemMetrics(SM_CYCAPTION);
#elif defined(__APPLE__)
top = 24;
left = 2;
right = 2;
bottom = 2;
#else
// Ensure border is on screen; these values are generic enough
// to work with many window managers, and are based on KDE defaults.
top = 20;
left = 4;
right = 4;
bottom = 8;
#endif
}
// now insure contents are on-screen (more important than border):
if (X+w()+right > scr_w-scr_x) X = scr_w-scr_x-right-w();
if (X-left < scr_x) X = left;
if (Y+h()+bottom > scr_h-scr_y) Y = scr_h-scr_y-bottom-h();
if (Y-top < scr_y) Y = top;
// make sure that we will force this position
if (X==x()) x(X-1);
}
position(X,Y);
}
void Fl_Window::hotspot(const Fl_Widget *o, int offscreen) {
int X = o->w()/2;
int Y = o->h()/2;
while (o != this && o) {
X += o->x(); Y += o->y();
o = o->window();
}
hotspot(X,Y,offscreen);
}
//
// End of "$Id: Fl_Window_hotspot.cxx 5697 2007-02-13 14:38:43Z matt $".
//
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