new desktop management code

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6053 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/server/Screen.cpp

@@ -0,0 +1,78 @@
+
+#include <Accelerant.h>
+#include <Point.h>
+#include <GraphicsDefs.h>
+#include <stdio.h>
+
+#include "Screen.h"
+#include "DisplayDriver.h"
+
+Screen::Screen(DisplayDriver *dDriver, BPoint res, uint32 colorspace,
+				const int32 &ID)
+{
+	fID			= ID;
+	fDDriver	= dDriver;
+	SetResolution(res, colorspace);
+}
+
+Screen::~Screen(void){
+//printf("~Screen( %ld )\n", fID);
+}
+
+void Screen::SetColorSpace(const uint32 &colorspace){
+//	fDDriver->SetColorSpace(colorspace);
+}
+
+uint32 Screen::ColorSpace(void) const{
+//	return fDDriver->ColorSpace();
+}
+
+bool Screen::SupportsResolution(BPoint res, uint32 colorspace){
+// TODO: remove/improve
+	return true;
+	display_mode	*dm = NULL;
+	uint32			count;
+
+	fDDriver->GetModeList(&dm, &count);
+
+	for (uint32 i=0; i < count; i++){
+		if (dm[i].virtual_width == (uint16)res.x &&
+			dm[i].virtual_height == (uint16)res.y &&
+			dm[i].space == colorspace)
+			return true;
+	}
+
+	delete dm;
+	return false;
+}
+
+bool Screen::SetResolution(BPoint res, uint32 colorspace){
+	if (!SupportsResolution(res, colorspace))
+		return false;
+
+	display_mode		mode;
+
+	mode.virtual_width	= (uint16)res.x;
+	mode.virtual_height	= (uint16)res.y;
+	mode.space			= colorspace;
+
+//	fDDriver->SetMode(&mode);
+
+	return true;
+}
+
+BPoint Screen::Resolution() const{
+	display_mode		mode;
+
+//	fDDriver->GetMode(&mode);
+//TODO: remove!
+	return BPoint(fDDriver->GetWidth(), fDDriver->GetHeight());
+//------------
+
+	return BPoint(mode.virtual_width, mode.virtual_height);
+}
+
+int32 Screen::ScreenNumber(void) const{
+	return fID;
+}
+

src/servers/app/server/Screen.h

@@ -0,0 +1,36 @@
+#ifndef _SCREEN_H_
+#define _SCREEN_H_
+
+#include <Point.h>
+//#include "DisplayDriver.h"
+class DisplayDriver;
+
+class Screen{
+public:
+								Screen(DisplayDriver *dDriver, BPoint res,
+									uint32 colorspace, const int32 &ID);
+								Screen(){ ; }
+								~Screen(void);
+
+			void				SetColorSpace(const uint32 &colorspace);
+			uint32				ColorSpace(void) const;
+
+			void				SetID(int32 ID){ fID = ID; }
+
+	// TODO: get/set prototype methods for graphic card features
+			bool				SupportsResolution(BPoint res, uint32 colorspace);
+			bool				SetResolution(BPoint res, uint32 colorspace);
+			BPoint				Resolution() const;
+
+			int32				ScreenNumber(void) const;
+			DisplayDriver*		DDriver() const { return fDDriver; }
+
+private:
+
+	// TODO: members in witch we should store data.
+
+			int32				fID;
+			DisplayDriver		*fDDriver;
+};
+
+#endif