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//
// "$Id$"
//
// Definition of Windows screen interface
// for the Fast Light Tool Kit (FLTK).
//
// Copyright 2010-2018 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
/**
\file Fl_WinAPI_Screen_Driver.H
\brief Definition of Windows screen interface.
*/
#ifndef FL_WINAPI_SCREEN_DRIVER_H
#define FL_WINAPI_SCREEN_DRIVER_H
#include <FL/Fl_Screen_Driver.H>
#include <windows.h>
class Fl_Window;
class FL_EXPORT Fl_WinAPI_Screen_Driver : public Fl_Screen_Driver
{
protected:
RECT screens[MAX_SCREENS];
RECT work_area[MAX_SCREENS];
float dpi[MAX_SCREENS][2];
float scale_of_screen[MAX_SCREENS];
static BOOL CALLBACK screen_cb(HMONITOR mon, HDC, LPRECT r, LPARAM);
BOOL screen_cb(HMONITOR mon, HDC, LPRECT r);
int get_mouse_unscaled(int &mx, int &my);
#ifdef FLTK_HIDPI_SUPPORT
void init_screen_scale_factors();
#endif
public:
Fl_WinAPI_Screen_Driver() : Fl_Screen_Driver() {
for (int i = 0; i < MAX_SCREENS; i++) scale_of_screen[i] = 1;
}
// --- display management
virtual int visual(int flags);
// --- screen configuration
virtual void init();
virtual int x();
virtual int y();
virtual int w();
virtual int h();
virtual void screen_xywh(int &X, int &Y, int &W, int &H, int n);
virtual void screen_dpi(float &h, float &v, int n=0);
int screen_num_unscaled(int x, int y);
virtual void screen_work_area(int &X, int &Y, int &W, int &H, int n);
// --- audible output
virtual void beep(int type);
// --- global events
virtual void flush();
virtual double wait(double time_to_wait);
virtual int ready();
virtual void grab(Fl_Window* win);
// --- global colors
virtual void get_system_colors();
virtual const char *get_system_scheme();
// --- global timers
virtual void add_timeout(double time, Fl_Timeout_Handler cb, void *argp);
virtual void repeat_timeout(double time, Fl_Timeout_Handler cb, void *argp);
virtual int has_timeout(Fl_Timeout_Handler cb, void *argp);
virtual void remove_timeout(Fl_Timeout_Handler cb, void *argp);
virtual int dnd(int unused);
virtual int compose(int &del);
virtual Fl_RGB_Image *read_win_rectangle(int X, int Y, int w, int h);
Fl_RGB_Image *read_win_rectangle_unscaled(int X, int Y, int w, int h);
virtual int get_mouse(int &x, int &y);
virtual void enable_im();
virtual void disable_im();
virtual void open_display_platform();
virtual void offscreen_size(Fl_Offscreen off, int &width, int &height);
#if defined(FLTK_HIDPI_SUPPORT)
virtual APP_SCALING_CAPABILITY rescalable() {
return PER_SCREEN_APP_SCALING;
}
virtual float scale(int n) {
return scale_of_screen[n];
}
virtual void scale(int n, float f) {
scale_of_screen[n] = f;
}
#else
float DWM_scaling_factor();
#endif
virtual float desktop_scale_factor();
};
#endif // FL_WINAPI_SCREEN_DRIVER_H
//
// End of "$Id$".
//
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