CtrlCore.upp:

library(LINUX !RAINBOW) "X11 Xrender Xinerama";


X11Gui.h:

#include <X11/extensions/Xrender.h>
#include <X11/extensions/Xinerama.h> //<--- new header


X11App.cpp:

static Array<Rect> GetScreenArea()
{	
	Array<Rect> out;
	int displays;

	XineramaScreenInfo * si = XineramaQueryScreens (Xdisplay, &displays);
	if (si == NULL || displays < 1) out.Add(RectC(0, 0, Xwidth, Xheight));
	else{
		for (int i = 0; i < displays; i++){
			out.Add(RectC(si[i].x_org, si[i].y_org, si[i].width, si[i].height));
		}
		XFree(si);
	}
	return out;
}

void Ctrl::GetWorkArea(Array<Rect>& out)
{
	enum {	left = 0, right, top, bottom, 
			left_start_y, left_end_y,
			right_start_y, right_end_y, 
			top_start_x, top_end_x, 
			bottom_start_x, bottom_end_x
	};
			
	Array<Rect> sa = GetScreenArea();
	out <<= sa;

	Rect total(sa[0]);
	for (int i = 1; i < sa.GetCount(); i++){
		total |= sa[i];
	}

	Vector<int> wnd_lst = GetPropertyInts(Xroot, XAtom("_NET_CLIENT_LIST"));
	for (int i = 0; i < wnd_lst.GetCount(); i++){
		Vector<int> struts = GetPropertyInts(wnd_lst[i], XAtom("_NET_WM_STRUT_PARTIAL"));
		if (struts.GetCount() != 12) continue;

		for (int j = 0; j < sa.GetCount(); j++){
			
			if (struts[left] && sa[j].left <= struts[left] && sa[j].right >= struts[left] 
				&& sa[j].Intersects(Rect(sa[j].left, struts[left_start_y], struts[left], struts[left_end_y])))
				out[j].left = struts[left];

			int tmp = total.right - struts[right];
			if (struts[right] && sa[j].left <= struts[right] && sa[j].right >= struts[right]
				&& sa[j].Intersects(Rect(tmp, struts[right_start_y], total.right, struts[right_end_y]))) 
				out[j].right  = tmp;

			if (struts[top] && sa[j].top <= struts[top] && sa[j].bottom >= struts[top]
				&& sa[j].Intersects(Rect(struts[top_start_x], sa[j].top, struts[top_end_x], struts[top]))) 
				out[j].top    = struts[top];

			tmp = total.bottom - struts[bottom];
			if (struts[bottom] && sa[j].top <= struts[bottom] && sa[j].bottom >= struts[bottom]
				&& sa[j].Intersects(Rect(struts[bottom_start_x], tmp, struts[bottom_end_x], total.bottom)))
				out[j].bottom = tmp;
		}
	}
}

Rect Ctrl::GetWorkArea() const
{
	return GetPrimaryWorkArea();
}

Rect Ctrl::GetWorkArea(Point pt)
{
	Array<Rect> rc;
	GetWorkArea(rc);
	for(int i = 0; i < rc.GetCount(); i++)
		if(rc[i].Contains(pt))
			return rc[i];
	return rc[0];
}

Rect Ctrl::GetVirtualWorkArea()
{
	Array <Rect> wa;
	GetWorkArea(wa);
	Rect r(wa[0]);
	for (int i = 1; i < wa.GetCount(); i++)
		r |= wa[i];
	
	return r;
}

Rect Ctrl::GetVirtualScreenArea()
{
	Array<Rect> sa = GetScreenArea();

	Rect out(sa[0]);
	for (int i = 1; i < sa.GetCount(); i++){
		out |= sa[i];
	}

	return out;
}

Rect Ctrl::GetPrimaryWorkArea()
{
	Array<Rect> x;
	GetWorkArea(x);
	return x[0];
}

Rect Ctrl::GetPrimaryScreenArea()
{
	return GetScreenArea()[0];
}

* /home/klugier/upp-out/MyApps/GCC.Force_Speed.Gui.Nogtk.Shared.Sse2/MultiMonitorTest 09.06.2013 21:11:51, user: klugier

09.06.2013 21:11:51 VGA-0: 1920x1080+1920+0
09.06.2013 21:11:51 HDMI-0: 1920x1080+0+0
09.06.2013 21:11:51 TIMING GetScreenArea  : 69.00 ms - 69.00 ms (69.00 ms / 1 ), min: 69.00 ms, max: 69.00 ms, nesting: 1 - 1

* /home/klugier/upp-out/MyApps/GCC.Debug.Debug_Full.Gui.Noblitz.Nogtk.Shared.Sse2/MultiMonitorTest 09.06.2013 22:12:23, user: klugier

09.06.2013 22:12:23 VGA-0: 1920x1080+1920+0
09.06.2013 22:12:23 HDMI-0: 1920x1080+0+0
09.06.2013 22:12:23 XrandrGetScreenArea(true):
09.06.2013 22:12:23 	[0] = [1920, 0] - [3840, 1080] : (1920, 1080)
09.06.2013 22:12:23 	[1] = [0, 0] - [1920, 1080] : (1920, 1080)
09.06.2013 22:12:23 XineramaGetScreenArea():
09.06.2013 22:12:23 	[0] = [1920, 0] - [3840, 1080] : (1920, 1080)
09.06.2013 22:12:23 	[1] = [0, 0] - [1920, 1080] : (1920, 1080)
09.06.2013 22:12:23 struts:
09.06.2013 22:12:23 	[0] = 0
09.06.2013 22:12:23 	[1] = 0
09.06.2013 22:12:23 	[2] = 0
09.06.2013 22:12:23 	[3] = 45
09.06.2013 22:12:23 	[4] = 0
09.06.2013 22:12:23 	[5] = 0
09.06.2013 22:12:23 	[6] = 0
09.06.2013 22:12:23 	[7] = 0
09.06.2013 22:12:23 	[8] = 0
09.06.2013 22:12:23 	[9] = 0
09.06.2013 22:12:23 	[10] = 1920
09.06.2013 22:12:23 	[11] = 3839
09.06.2013 22:12:23 work_area:
09.06.2013 22:12:23 	[0] = [1920, 0] - [3840, 45] : (1920, 45)
09.06.2013 22:12:23 	[1] = [0, 0] - [1920, 1080] : (1920, 1080)
09.06.2013 22:12:23 original_work_area:
09.06.2013 22:12:23 	[0] = [0, 0] - [3840, 1035] : (3840, 1035)
09.06.2013 22:12:23 Ctrl::GetVirtualScreenArea() = [0, 0] - [3840, 1080] : (3840, 1080)
09.06.2013 22:12:23 Ctrl::GetVirtualWorkArea() = [0, 0] - [3840, 1035] : (3840, 1035)
09.06.2013 22:12:23 TIMING GetScreenArea  : 70.00 ms - 70.00 ms (70.00 ms / 1 ), min: 70.00 ms, max: 70.00 ms, nesting: 1 - 1