mirror of https://github.com/fltk/fltk
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
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// "$Id: Fl_Widget_Surface.H 11217 2016-02-25 17:56:48Z manolo $"
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//
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// Drivers code for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2016 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#ifndef Fl_Widget_Surface_h
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#define Fl_Widget_Surface_h
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#include <FL/Fl_Device.H>
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#include <FL/Fl_Window.H>
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/** A surface on which any FLTK widget can be drawn.
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*/
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class FL_EXPORT Fl_Widget_Surface : public Fl_Surface_Device {
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private:
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void traverse(Fl_Widget *widget); // finds subwindows of widget and prints them
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protected:
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/** \brief horizontal offset to the origin of graphics coordinates */
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int x_offset;
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/** \brief vertical offset to the origin of graphics coordinates */
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int y_offset;
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public:
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Fl_Widget_Surface(Fl_Graphics_Driver *d);
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/**
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Translates the current graphics origin accounting for the current rotation.
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This function is only useful after a rotate() call.
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Each translate() call must be matched by an untranslate() call.
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Successive translate() calls add up their effects.
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*/
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virtual void translate(int x, int y) {}
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/**
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Undoes the effect of a previous translate() call.
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*/
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virtual void untranslate(void) {}
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virtual void draw(Fl_Widget* widget, int delta_x = 0, int delta_y = 0);
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virtual void draw_decorated_window(Fl_Window *win, int x_offset = 0, int y_offset = 0);
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virtual void print_window_part(Fl_Window *win, int x, int y, int w, int h, int delta_x = 0, int delta_y = 0);
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virtual int printable_rect(int *w, int *h);
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virtual void origin(int x, int y);
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virtual void origin(int *x, int *y);
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};
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#endif /* Fl_Widget_Surface_h */
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//
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// End of "$Id: Fl_Widget_Surface.H 11217 2016-02-25 17:56:48Z manolo $".
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//
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