some header files to be R5 compatible

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1617 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-10-23 13:54:44 +00:00
parent 16fe4511e7
commit d734a8ce5a
39 changed files with 4652 additions and 0 deletions
@@ -0,0 +1,84 @@
+#if ! defined _SCREENSAVER_H
+#define _SCREENSAVER_H
+
+#include <BeBuild.h>
+#include <DirectWindow.h>	// for direct_buffer_info
+#include <image.h>
+#include <Message.h>
+
+class BView;
+
+class BScreenSaver
+{
+public:
+						BScreenSaver(BMessage *archive, image_id);
+	virtual				~BScreenSaver();
+
+	// Return an error if something goes wrong or if you don't
+	// like the running environment (lack of 3D acceleration,
+	// lack of sound, ...).
+	virtual status_t	InitCheck();
+
+	// Animation start and stop. The view is not yet visible when
+	// StartSaver is called.
+	virtual status_t	StartSaver(BView *view, bool preview);
+	virtual void		StopSaver();
+
+	// This hook is called periodically, you should
+	// override it to do the drawing. Notice that you
+	// should clear the screen when frame == 0 if you
+	// don't want to paint over the desktop.
+	virtual void		Draw(BView *view, int32 frame);
+
+	// These hooks are for direct screen access, the first is
+	// called every time the settings change, the second is
+	// the equivalent of Draw to be called to access the screen
+	// directly. Draw and DirectDraw can be used at the same time.
+	virtual void		DirectConnected(direct_buffer_info *info);
+	virtual void		DirectDraw(int32 frame);
+
+	// configuration dialog methods
+	virtual void		StartConfig(BView *configView);
+	virtual void		StopConfig();
+
+	// Module should fill this in with metadata
+	// example: randomizable = true
+	virtual void		SupplyInfo(BMessage *info) const;
+
+	// Send all the metadata info to the module
+	virtual void		ModulesChanged(const BMessage *info);
+
+	// BArchivable like parameter saver method
+	virtual	status_t	SaveState(BMessage *into) const;
+
+	// These methods can be used to control drawing frequency.
+	void				SetTickSize(bigtime_t ts);
+	bigtime_t			TickSize() const;
+
+	// These methods can be used to control animation loop cycles
+	void				SetLoop(int32 on_count, int32 off_count);
+	int32				LoopOnCount() const;
+	int32				LoopOffCount() const;
+
+private:
+	virtual	void _ReservedScreenSaver1();
+	virtual	void _ReservedScreenSaver2();
+	virtual	void _ReservedScreenSaver3();
+	virtual	void _ReservedScreenSaver4();
+	virtual	void _ReservedScreenSaver5();
+	virtual	void _ReservedScreenSaver6();
+	virtual	void _ReservedScreenSaver7();
+	virtual	void _ReservedScreenSaver8();
+
+	bigtime_t	ticksize;
+	int32		looponcount;
+	int32		loopoffcount;
+
+	uint32		_reservedScreenSaver[6];
+};
+
+extern "C" _EXPORT BScreenSaver *instantiate_screen_saver(BMessage *msg, image_id id);
+
+_EXPORT int32 saverVersionID;
+
+#endif