diff src/video/bwindow/SDL_BWin.h @ 0:74212992fb08

Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children cf2af46e9e2a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/bwindow/SDL_BWin.h	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,212 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Sam Lantinga
+    slouken@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+#ifndef _SDL_BWin_h
+#define _SDL_BWin_h
+
+#include <stdio.h>
+#include <AppKit.h>
+#include <InterfaceKit.h>
+#include <be/game/DirectWindow.h>
+#ifdef HAVE_OPENGL
+#include <be/opengl/GLView.h>
+#endif
+
+#include "SDL_BeApp.h"
+#include "SDL_events.h"
+#include "SDL_BView.h"
+
+extern "C" {
+#include "SDL_events_c.h"
+};
+
+class SDL_BWin : public BDirectWindow
+{
+public:
+	SDL_BWin(BRect bounds) :
+			BDirectWindow(bounds, "Untitled", B_TITLED_WINDOW, 0) {
+		the_view = NULL;
+#ifdef HAVE_OPENGL
+		SDL_GLView = NULL;
+#endif
+		SDL_View = NULL;
+		Unlock();
+		shown = false;
+		inhibit_resize = false;
+	}
+	virtual ~SDL_BWin() {
+		Lock();
+		if ( the_view ) {
+#ifdef HAVE_OPENGL
+			if ( the_view == SDL_GLView ) {
+				SDL_GLView->UnlockGL();
+			}
+#endif
+			RemoveChild(the_view);
+			the_view = NULL;
+		}
+		Unlock();
+#ifdef HAVE_OPENGL
+		if ( SDL_GLView ) {
+			delete SDL_GLView;
+		}
+#endif
+		if ( SDL_View ) {
+			delete SDL_View;
+		}
+	}
+
+	/* Override the Show() method so we can tell when we've been shown */
+	virtual void Show(void) {
+		BWindow::Show();
+		shown = true;
+	}
+	virtual bool Shown(void) {
+		return (shown);
+	}
+	/* If called, the next resize event will not be forwarded to SDL. */
+	virtual void InhibitResize(void) {
+		inhibit_resize=true;
+	}
+	/* Handle resizing of the window */
+	virtual void FrameResized(float width, float height) {
+		if(inhibit_resize)
+			inhibit_resize = false;
+		else 
+			SDL_PrivateResize((int)width, (int)height);
+	}
+	virtual int CreateView(Uint32 flags) {
+		int retval;
+
+		retval = 0;
+		Lock();
+		if ( flags & SDL_OPENGL ) {
+#ifdef HAVE_OPENGL
+			if ( SDL_GLView == NULL ) {
+				/* FIXME: choose BGL type via user flags */
+				SDL_GLView = new BGLView(Bounds(), "SDL GLView",
+					 	B_FOLLOW_ALL_SIDES,
+                                        	(B_WILL_DRAW|B_FRAME_EVENTS),
+						(BGL_RGB|BGL_DOUBLE|BGL_DEPTH));
+			}
+			if ( the_view != SDL_GLView ) {
+				if ( the_view ) {
+					RemoveChild(the_view);
+				}
+				AddChild(SDL_GLView);
+				SDL_GLView->LockGL();
+				the_view = SDL_GLView;
+			}
+#else
+			SDL_SetError("OpenGL support not enabled");
+			retval = -1;
+#endif
+		} else {
+			if ( SDL_View == NULL ) {
+				SDL_View = new SDL_BView(Bounds());
+			}
+			if ( the_view != SDL_View ) {
+				if ( the_view ) {
+#ifdef HAVE_OPENGL
+					if ( the_view == SDL_GLView ) {
+						SDL_GLView->UnlockGL();
+					}
+#endif
+					RemoveChild(the_view);
+				}
+				AddChild(SDL_View);
+				the_view = SDL_View;
+			}
+		}
+		Unlock();
+		return(retval);
+	}
+	virtual void SetBitmap(BBitmap *bitmap) {
+		SDL_View->SetBitmap(bitmap);
+	}
+	virtual void SetXYOffset(int x, int y) {
+#ifdef HAVE_OPENGL
+		if ( the_view == SDL_GLView ) {
+			return;
+		}
+#endif
+		SDL_View->SetXYOffset(x, y);		
+	}
+	virtual bool BeginDraw(void) {
+		return(Lock());
+	}
+	virtual void DrawAsync(BRect updateRect) {
+		SDL_View->DrawAsync(updateRect);
+	}
+	virtual void EndDraw(void) {
+		SDL_View->Sync();
+		Unlock();
+	}
+#ifdef HAVE_OPENGL
+	virtual void SwapBuffers(void) {
+		SDL_GLView->UnlockGL();
+		SDL_GLView->LockGL();
+		SDL_GLView->SwapBuffers();
+	}
+#endif
+	virtual BView *View(void) {
+		return(the_view);
+	}
+
+	/* Hook functions -- overridden */
+	virtual void Minimize(bool minimize) {
+		/* This is only called when mimimized, not when restored */
+		//SDL_PrivateAppActive(minimize, SDL_APPACTIVE);
+		BWindow::Minimize(minimize);
+	}
+	virtual void WindowActivated(bool active) {
+		SDL_PrivateAppActive(active, SDL_APPINPUTFOCUS);
+	}
+	virtual bool QuitRequested(void) {
+		if ( SDL_BeAppActive > 0 ) {
+			SDL_PrivateQuit();
+			/* We don't ever actually close the window here because
+			   the application should respond to the quit request,
+			   or ignore it as desired.
+			 */
+			return(false);
+		}
+		return(true);	/* Close the app window */
+	}
+
+private:
+#ifdef HAVE_OPENGL
+	BGLView *SDL_GLView;
+#endif
+	SDL_BView *SDL_View;
+	BView *the_view;
+
+	bool shown;
+	bool inhibit_resize;
+};
+
+#endif /* _SDL_BWin_h */