82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
//
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// "$Id: Fl_Window_hotspot.cxx,v 1.7 1999/01/07 19:17:29 mike Exp $"
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//
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// Common hotspot routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-1999 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@easysw.com".
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//
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#include <FL/Fl.H>
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#include <FL/Fl_Window.H>
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#ifdef WIN32
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#include <FL/win32.H>
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#endif
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void Fl_Window::hotspot(int X, int Y, int /*offscreen*/) {
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int mx,my; Fl::get_mouse(mx,my);
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X = mx-X; Y = my-Y;
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#if 0
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// Both the WIN32 and X versions do this to all windows all the time...
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if (!offscreen) {
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#ifdef WIN32
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//These will be used by reference, so we must passed different variables
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int bt,bx,by;
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x(X);y(Y);
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Fl_X::fake_X_wm(this, X, Y, bt, bx, by);
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//force FL_FORCE_POSITION to be set in Fl_Window::resize()
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if (X==x()) x(X-1);
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#else
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if (border()) {
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// ensure border is on screen:
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const int top = 20;
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const int left = 1;
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const int right = 1;
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const int bottom = 1;
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if (X+w()+right > Fl::w()) X = Fl::w()-right-w();
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if (X-left < 0) X = left;
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if (Y+h()+bottom > Fl::h()) Y = Fl::h()-bottom-h();
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if (Y-top < 0) Y = top;
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}
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// now insure contents are on-screen (more important than border):
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if (X+w() > Fl::w()) X = Fl::w()-w();
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if (X < 0) X = 0;
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if (Y+h() > Fl::h()) Y = Fl::h()-h();
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if (Y < 0) Y = 0;
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#endif
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}
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#endif
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position(X,Y);
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}
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void Fl_Window::hotspot(const Fl_Widget *o, int offscreen) {
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int X = o->w()/2;
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int Y = o->h()/2;
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while (o != this) {
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X += o->x(); Y += o->y();
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o = o->window();
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}
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hotspot(X,Y,offscreen);
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}
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//
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// End of "$Id: Fl_Window_hotspot.cxx,v 1.7 1999/01/07 19:17:29 mike Exp $".
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//
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