X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgraphics%2Fdisplay.cpp;h=1c7b639a06d8f993b72ef92fb19d9d211271ed5b;hb=e15959a69551c2027029470e65a17ea5a305545b;hp=da036a1baa9a4174049f40920fd0575e42fc0ceb;hpb=1023b38fa278cea71fba3d2881e1bfde930cd025;p=libs%2Fgui.git

diff --git a/source/graphics/display.cpp b/source/graphics/display.cpp
index da036a1..1c7b639 100644
--- a/source/graphics/display.cpp
+++ b/source/graphics/display.cpp
@@ -1,242 +1,98 @@
-#include <iostream>
-#ifndef WIN32
-#include <X11/Xlib.h>
-#ifdef WITH_XF86VIDMODE
-#include <X11/extensions/xf86vmode.h>
-#endif
-#endif
-#include <msp/strings/format.h>
-#include <msp/strings/lexicalcast.h>
+#include <cmath>
+#include <sigc++/bind.h>
 #include "display.h"
+#include "display_private.h"
 #include "window.h"
-#include "display_priv.h"
 
 using namespace std;
 
-namespace {
-
-bool error_flag = false;
-std::string error_msg;
-
-#ifndef WIN32
-int x_error_handler(Display *display, XErrorEvent *event)
-{
-	char err[128];
-	XGetErrorText(display, event->error_code, err, sizeof(err));
-
-	string request_code = Msp::lexical_cast(static_cast<int>(event->request_code));
-	char req[128];
-	XGetErrorDatabaseText(display, "XRequest", request_code.c_str(), request_code.c_str(), req, sizeof(req));
-
-	string msg = Msp::format("Request %s failed with %s [%08X]", req, err, event->resourceid);
-	if(error_flag)
-		cerr<<"Discarding error: "<<msg<<'\n';
-	else
-	{
-		cerr<<msg<<'\n';
-		error_msg = msg;
-		error_flag = true;
-	}
-
-	return 0;
-}
-#endif
-
-}
-
 namespace Msp {
 namespace Graphics {
 
-unsupported_video_mode::unsupported_video_mode(const VideoMode &mode):
-	runtime_error(format("%dx%d", mode.width, mode.height))
-{ }
-
-
-Display::Display(const string &disp_name):
-	priv(new Private)
+void Display::add_window(Window &wnd)
 {
-#ifdef WIN32
-	(void)disp_name;
-
-	for(unsigned i=0;; ++i)
-	{
-		DEVMODE info;
-		if(!EnumDisplaySettings(0, i, &info))
-			break;
-
-		VideoMode mode(info.dmPelsWidth, info.dmPelsHeight);
-		mode.rate = info.dmDisplayFrequency;
-		modes.push_back(mode);
-	}
-	
-	DEVMODE info;
-	if(EnumDisplaySettings(0, ENUM_CURRENT_SETTINGS, &info))
-	{
-		orig_mode = VideoMode(info.dmPelsWidth, info.dmPelsHeight);
-		orig_mode.rate = info.dmDisplayFrequency;
-	}
-#else
-	if(disp_name.empty())
-		priv->display = XOpenDisplay(0);
-	else
-		priv->display = XOpenDisplay(disp_name.c_str());
-	if(!priv->display)
-		throw runtime_error("XOpenDisplay");
-
-	XSetErrorHandler(x_error_handler);
-
-#ifdef WITH_XF86VIDMODE
-	int screen = DefaultScreen(priv->display);
-
-	int nmodes;
-	XF86VidModeModeInfo **infos;
-	XF86VidModeGetAllModeLines(priv->display, screen, &nmodes, &infos);
-	for(int i=0; i<nmodes; ++i)
-	{
-		XF86VidModeModeInfo &info = *infos[i];
-	
-		VideoMode mode(info.hdisplay, info.vdisplay);
-		if(info.htotal && info.vtotal)
-			mode.rate = info.dotclock/(info.htotal*info.vtotal);
-		modes.push_back(mode);
-	}
-
-	XFree(infos);
-
-	XF86VidModeModeLine modeline;
-	int dotclock;
-	XF86VidModeGetModeLine(priv->display, screen, &dotclock, &modeline);
-	orig_mode = VideoMode(modeline.hdisplay, modeline.vdisplay);
-	if(modeline.htotal && modeline.vtotal)
-		orig_mode.rate = dotclock/(modeline.htotal*modeline.vtotal);
-#endif
-#endif
+	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));
 }
 
-Display::~Display()
+void Display::remove_window(Window &wnd)
 {
-#ifndef WIN32
-	XCloseDisplay(priv->display);
-	delete priv;
-#endif
+	priv->windows.erase(wnd.get_private().window);
+	if(&wnd==focus_window)
+		focus_window = 0;
 }
 
-void Display::add_window(Window &wnd)
+const VideoMode &Display::get_desktop_mode() const
 {
-	priv->windows[wnd.get_private().window] = &wnd;
+	if(!primary_monitor || !primary_monitor->desktop_mode)
+		throw logic_error("no desktop mode");
+	return *primary_monitor->desktop_mode;
 }
 
-void Display::remove_window(Window &wnd)
+void Display::restore_mode()
 {
-	priv->windows.erase(wnd.get_private().window);
+	for(list<Monitor>::const_iterator i=monitors.begin(); i!=monitors.end(); ++i)
+		if(i->desktop_mode)
+			set_mode(*i->desktop_mode, false);
 }
 
-void Display::set_mode(const VideoMode &mode)
+const VideoMode *Display::find_mode(const VideoMode &mode, float rate_tolerance) const
 {
-#if defined(WIN32)
-	DEVMODE info;
-	info.dmSize = sizeof(DEVMODE);
-	info.dmFields = DM_PELSWIDTH|DM_PELSHEIGHT;
-	info.dmPelsWidth = mode.width;
-	info.dmPelsHeight = mode.height;
-	if(mode.rate)
+	const VideoMode *closest = 0;
+	float rate_diff = mode.rate;
+	for(list<VideoMode>::const_iterator i=modes.begin(); i!=modes.end(); ++i)
 	{
-		info.dmFields |= DM_DISPLAYFREQUENCY;
-		info.dmDisplayFrequency = mode.rate;
+		if(mode.monitor && i->monitor!=mode.monitor)
+			continue;
+		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)
+			continue;
+
+		if(mode.rate)
+		{
+			float d = abs(i->rate-mode.rate);
+			if(d<rate_diff)
+			{
+				closest = &*i;
+				rate_diff = d;
+			}
+		}
+		else
+			return &*i;
 	}
 
-	LONG ret = ChangeDisplaySettings(&info, CDS_FULLSCREEN);
-	if(ret!=DISP_CHANGE_SUCCESSFUL)
-		throw unsupported_video_mode(mode);
-#elif defined(WITH_XF86VIDMODE)
-	int screen = DefaultScreen(priv->display);
+	return closest;
+}
 
-	int nmodes;
-	XF86VidModeModeInfo **infos;
-	XF86VidModeGetAllModeLines(priv->display, screen, &nmodes, &infos);
-	for(int i=0; i<nmodes; ++i)
-	{
-		XF86VidModeModeInfo &info = *infos[i];
+const VideoMode *Display::find_mode(unsigned width, unsigned height) const
+{
+	return find_mode(VideoMode(width, height));
+}
 
-		unsigned rate = 0;
-		if(info.htotal && info.vtotal)
-			rate = info.dotclock/(info.htotal*info.vtotal);
-		if(info.hdisplay==mode.width && info.vdisplay==mode.height && (mode.rate==0 || rate==mode.rate))
-		{
-			XF86VidModeSwitchToMode(priv->display, screen, &info);
-			XF86VidModeSetViewPort(priv->display, screen, 0, 0);
-			return;
-		}
-	}
+void Display::window_got_focus(Window &w)
+{
+	focus_window = &w;
+}
 
-	throw unsupported_video_mode(mode);
-#else
-	(void)mode;
-	throw runtime_error("no xf86vidmode support");
-#endif
+void Display::window_lost_focus()
+{
+	focus_window = 0;
 }
 
 void Display::tick()
 {
 	check_error();
 
-	while(1)
-	{
-#ifdef WIN32
-		MSG msg;
-		if(PeekMessage(&msg, 0, 0, 0, PM_REMOVE))
-			DispatchMessage(&msg);
-		else
-			break;
-#else
-		int pending = XPending(priv->display);
-		if(pending==0)
-			break;
-
-		for(; pending--;)
-		{
-			Window::Event event;
-			XNextEvent(priv->display, &event.xevent);
+	Window *old_focus = focus_window;
 
-			check_error();
+	while(process_events()) ;
 
-			map<WindowHandle, Window *>::iterator j = priv->windows.find(event.xevent.xany.window);
-			if(j!=priv->windows.end())
-			{
-				/* Filter keyboard autorepeat.  If this packet is a KeyRelease and
-				the next one is a KeyPress with the exact same parameters, they
-				indicate autorepeat and must be dropped. */
-				if(event.xevent.type==KeyRelease && !j->second->get_keyboard_autorepeat() && pending>0)
-				{
-					XKeyEvent &kev = event.xevent.xkey;
-					XEvent ev2;
-					XPeekEvent(priv->display, &ev2);
-					if(ev2.type==KeyPress)
-					{
-						XKeyEvent &kev2 = ev2.xkey;
-						if(kev2.window==kev.window && kev2.time==kev.time && kev2.keycode==kev.keycode)
-						{
-							XNextEvent(priv->display, &ev2);
-							--pending;
-							continue;
-						}
-					}
-				}
-
-				j->second->event(event);
-			}
-		}
-#endif
-	}
-}
-
-void Display::check_error()
-{
-	if(error_flag)
-	{
-		error_flag = false;
-		throw runtime_error(error_msg);
-	}
+	if(old_focus && !focus_window)
+		signal_lost_focus.emit();
+	else if(!old_focus && focus_window)
+		signal_got_focus.emit();
 }
 
 } // namespace Graphics