X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgraphics%2Fdisplay.cpp;h=1c7b639a06d8f993b72ef92fb19d9d211271ed5b;hb=e15959a69551c2027029470e65a17ea5a305545b;hp=22dd705df90c772e6901ae30f618f87db787077a;hpb=89ec4c335953556ca069960adf6ea3a5dc3bb499;p=libs%2Fgui.git

diff --git a/source/graphics/display.cpp b/source/graphics/display.cpp
index 22dd705..1c7b639 100644
--- a/source/graphics/display.cpp
+++ b/source/graphics/display.cpp
@@ -1,3 +1,5 @@
+#include <cmath>
+#include <sigc++/bind.h>
 #include "display.h"
 #include "display_private.h"
 #include "window.h"
@@ -10,11 +12,15 @@ namespace Graphics {
 void Display::add_window(Window &wnd)
 {
 	priv->windows[wnd.get_private().window] = &wnd;
+	wnd.signal_got_focus.connect(sigc::bind(sigc::mem_fun(this, &Display::window_got_focus), sigc::ref(wnd)));
+	wnd.signal_lost_focus.connect(sigc::mem_fun(this, &Display::window_lost_focus));
 }
 
 void Display::remove_window(Window &wnd)
 {
 	priv->windows.erase(wnd.get_private().window);
+	if(&wnd==focus_window)
+		focus_window = 0;
 }
 
 const VideoMode &Display::get_desktop_mode() const
@@ -31,26 +37,62 @@ void Display::restore_mode()
 			set_mode(*i->desktop_mode, false);
 }
 
-const VideoMode *Display::find_matching_mode(const VideoMode &mode) const
+const VideoMode *Display::find_mode(const VideoMode &mode, float rate_tolerance) const
 {
+	const VideoMode *closest = 0;
+	float rate_diff = mode.rate;
 	for(list<VideoMode>::const_iterator i=modes.begin(); i!=modes.end(); ++i)
 	{
 		if(mode.monitor && i->monitor!=mode.monitor)
 			continue;
-		if(mode.rate && i->rate!=mode.rate)
+		if(mode.rate && (i->rate<mode.rate-rate_tolerance || i->rate>mode.rate+rate_tolerance))
 			continue;
-		if(i->width==mode.width && i->height==mode.height)
+		if(i->width!=mode.width || i->height!=mode.height)
+			continue;
+
+		if(mode.rate)
+		{
+			float d = abs(i->rate-mode.rate);
+			if(d<rate_diff)
+			{
+				closest = &*i;
+				rate_diff = d;
+			}
+		}
+		else
 			return &*i;
 	}
 
-	return 0;
+	return closest;
+}
+
+const VideoMode *Display::find_mode(unsigned width, unsigned height) const
+{
+	return find_mode(VideoMode(width, height));
+}
+
+void Display::window_got_focus(Window &w)
+{
+	focus_window = &w;
+}
+
+void Display::window_lost_focus()
+{
+	focus_window = 0;
 }
 
 void Display::tick()
 {
 	check_error();
 
+	Window *old_focus = focus_window;
+
 	while(process_events()) ;
+
+	if(old_focus && !focus_window)
+		signal_lost_focus.emit();
+	else if(!old_focus && focus_window)
+		signal_got_focus.emit();
 }
 
 } // namespace Graphics