99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
|
//
|
||
|
|
// "$Id$"
|
||
|
|
//
|
||
|
|
// Definition of MSWindows Win32/64 Screen interface
|
||
|
|
//
|
||
|
|
// Copyright 1998-2016 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
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
#include "../../config_lib.h"
|
||
|
|
#include "Fl_WinAPI_Screen_Driver.h"
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
Creates a driver that manages all screen and display related calls.
|
||
|
|
|
||
|
|
This function must be implemented once for every platform. It is called
|
||
|
|
when the static members of the class "Fl" are created.
|
||
|
|
*/
|
||
|
|
Fl_Screen_Driver *Fl_Screen_Driver::newScreenDriver()
|
||
|
|
{
|
||
|
|
return new Fl_WinAPI_Screen_Driver();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void Fl_WinAPI_Screen_Driver::init()
|
||
|
|
{
|
||
|
|
CGDirectDisplayID displays[MAX_SCREENS];
|
||
|
|
CGDisplayCount count, i;
|
||
|
|
CGRect r;
|
||
|
|
CGGetActiveDisplayList(MAX_SCREENS, displays, &count);
|
||
|
|
for( i = 0; i < count; i++) {
|
||
|
|
r = CGDisplayBounds(displays[i]);
|
||
|
|
screens[i].x = int(r.origin.x);
|
||
|
|
screens[i].y = int(r.origin.y);
|
||
|
|
screens[i].width = int(r.size.width);
|
||
|
|
screens[i].height = int(r.size.height);
|
||
|
|
//fprintf(stderr,"screen %d %dx%dx%dx%d\n",i,screens[i].x,screens[i].y,screens[i].width,screens[i].height);
|
||
|
|
if (&CGDisplayScreenSize != NULL) {
|
||
|
|
CGSize s = CGDisplayScreenSize(displays[i]); // from 10.3
|
||
|
|
dpi_h[i] = screens[i].width / (s.width/25.4);
|
||
|
|
dpi_v[i] = screens[i].height / (s.height/25.4);
|
||
|
|
} else {
|
||
|
|
dpi_h[i] = dpi_v[i] = 75.;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
num_screens = count;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void Fl_WinAPI_Screen_Driver::screen_work_area(int &X, int &Y, int &W, int &H, int n)
|
||
|
|
{
|
||
|
|
if (num_screens < 0) init();
|
||
|
|
if (n < 0 || n >= num_screens) n = 0;
|
||
|
|
Fl_X::screen_work_area(X, Y, W, H, n);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void Fl_WinAPI_Screen_Driver::screen_xywh(int &X, int &Y, int &W, int &H, int n)
|
||
|
|
{
|
||
|
|
if (num_screens < 0) init();
|
||
|
|
|
||
|
|
if ((n < 0) || (n >= num_screens))
|
||
|
|
n = 0;
|
||
|
|
|
||
|
|
X = screens[n].x;
|
||
|
|
Y = screens[n].y;
|
||
|
|
W = screens[n].width;
|
||
|
|
H = screens[n].height;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void Fl_WinAPI_Screen_Driver::screen_dpi(float &h, float &v, int n)
|
||
|
|
{
|
||
|
|
if (num_screens < 0) init();
|
||
|
|
h = v = 0.0f;
|
||
|
|
|
||
|
|
if (n >= 0 && n < num_screens) {
|
||
|
|
h = dpi_h[n];
|
||
|
|
v = dpi_v[n];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// End of "$Id$".
|
||
|
|
//
|