28 lines
596 B
C++
28 lines
596 B
C++
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// Fl_Window_hotspot.C
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#include <FL/Fl.H>
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#include <FL/Fl_Window.H>
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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 (!offscreen) {
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if (X < 0) X = 0;
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if (X > Fl::w()-w()) X = Fl::w()-w();
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if (Y > Fl::h()-h()) Y = Fl::h()-h();
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if (Y < 0) Y = 0;
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if (border() && Y < 20) Y = 20;
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}
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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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