--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/qtopia/SDL_sysvideo.cc	Sun May 19 20:06:01 2002 +0000
@@ -0,0 +1,376 @@
+/*
+  SDL - Simple DirectMedia Layer
+  Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  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@libsdl.org
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* Qtopia based framebuffer implementation */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include <qapplication.h>
+
+#include "SDL.h"
+#include "SDL_timer.h"
+
+#include "SDL_QWin.h"
+#include "SDL_QPEApp.h"
+
+extern "C" {
+
+#include "SDL_sysvideo.h"
+#include "SDL_sysmouse_c.h"
+#include "SDL_sysevents_c.h"
+#include "SDL_events_c.h"
+#include "SDL_syswm_c.h"
+#include "SDL_lowvideo.h"
+
+  //#define QTOPIA_DEBUG
+#define QT_HIDDEN_SIZE	32	/* starting hidden window size */
+
+  /* Initialization/Query functions */
+  static int QT_VideoInit(_THIS, SDL_PixelFormat *vformat);
+  static SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
+  static SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
+  static void QT_UpdateMouse(_THIS);
+  static int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
+  static void QT_VideoQuit(_THIS);
+
+  /* Hardware surface functions */
+  static int QT_AllocHWSurface(_THIS, SDL_Surface *surface);
+  static int QT_LockHWSurface(_THIS, SDL_Surface *surface);
+  static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface);
+  static void QT_FreeHWSurface(_THIS, SDL_Surface *surface);
+
+  static int QT_ToggleFullScreen(_THIS, int fullscreen);
+
+
+  /* FB driver bootstrap functions */
+
+  static int QT_Available(void)
+  {
+    return(1);
+  }
+
+  static void QT_DeleteDevice(SDL_VideoDevice *device)
+  {
+    free(device->hidden);
+    free(device);
+  }
+
+  static SDL_VideoDevice *QT_CreateDevice(int devindex)
+  {
+    SDL_VideoDevice *device;
+
+    /* Initialize all variables that we clean on shutdown */
+    device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
+    if ( device ) {
+      memset(device, 0, (sizeof *device));
+      device->hidden = (struct SDL_PrivateVideoData *)
+	malloc((sizeof *device->hidden));
+    }
+    if ( (device == NULL) || (device->hidden == NULL) ) {
+      SDL_OutOfMemory();
+      if ( device ) {
+	free(device);
+      }
+      return(0);
+    }
+    memset(device->hidden, 0, (sizeof *device->hidden));
+
+    /* Set the function pointers */
+    device->VideoInit = QT_VideoInit;
+    device->ListModes = QT_ListModes;
+    device->SetVideoMode = QT_SetVideoMode;
+    device->UpdateMouse = QT_UpdateMouse;
+    device->SetColors = QT_SetColors;
+    device->UpdateRects = NULL;
+    device->VideoQuit = QT_VideoQuit;
+    device->AllocHWSurface = QT_AllocHWSurface;
+    device->CheckHWBlit = NULL;
+    device->FillHWRect = NULL;
+    device->SetHWColorKey = NULL;
+    device->SetHWAlpha = NULL;
+    device->LockHWSurface = QT_LockHWSurface;
+    device->UnlockHWSurface = QT_UnlockHWSurface;
+    device->FlipHWSurface = NULL;
+    device->FreeHWSurface = QT_FreeHWSurface;
+    device->SetIcon = NULL;
+    device->SetCaption = QT_SetWMCaption;
+    device->GetWMInfo = NULL;
+    device->FreeWMCursor = QT_FreeWMCursor;
+    device->CreateWMCursor = QT_CreateWMCursor;
+    device->ShowWMCursor = QT_ShowWMCursor;
+    device->WarpWMCursor = QT_WarpWMCursor;
+    device->InitOSKeymap = QT_InitOSKeymap;
+    device->PumpEvents = QT_PumpEvents;
+
+    device->free = QT_DeleteDevice;
+    device->ToggleFullScreen = QT_ToggleFullScreen;
+
+    /* Set the driver flags */
+    device->handles_any_size = 0;
+	
+    return device;
+  }
+
+  VideoBootStrap Qtopia_bootstrap = {
+    "qtopia", "Qtopia / QPE graphics",
+    QT_Available, QT_CreateDevice
+  };
+
+  /* Function to sort the display_list */
+  static int CompareModes(const void *A, const void *B)
+  {
+#if 0
+    const display_mode *a = (display_mode *)A;
+    const display_mode *b = (display_mode *)B;
+
+    if ( a->space == b->space ) {
+      return((b->virtual_width*b->virtual_height)-
+	     (a->virtual_width*a->virtual_height));
+    } else {
+      return(ColorSpaceToBitsPerPixel(b->space)-
+	     ColorSpaceToBitsPerPixel(a->space));
+    }
+#endif
+    return 0;
+  }
+
+  /* Yes, this isn't the fastest it could be, but it works nicely */
+  static int QT_AddMode(_THIS, int index, unsigned int w, unsigned int h)
+  {
+    SDL_Rect *mode;
+    int i;
+    int next_mode;
+
+    /* Check to see if we already have this mode */
+    if ( SDL_nummodes[index] > 0 ) {
+      for ( i=SDL_nummodes[index]-1; i >= 0; --i ) {
+	mode = SDL_modelist[index][i];
+	if ( (mode->w == w) && (mode->h == h) ) {
+	  return(0);
+	}
+      }
+    }
+
+    /* Set up the new video mode rectangle */
+    mode = (SDL_Rect *)malloc(sizeof *mode);
+    if ( mode == NULL ) {
+      SDL_OutOfMemory();
+      return(-1);
+    }
+    mode->x = 0;
+    mode->y = 0;
+    mode->w = w;
+    mode->h = h;
+#ifdef QTOPIA_DEBUG
+    fprintf(stderr, "Adding mode %dx%d at %d bytes per pixel\n", w, h, index+1);
+#endif
+
+    /* Allocate the new list of modes, and fill in the new mode */
+    next_mode = SDL_nummodes[index];
+    SDL_modelist[index] = (SDL_Rect **)
+      realloc(SDL_modelist[index], (1+next_mode+1)*sizeof(SDL_Rect *));
+    if ( SDL_modelist[index] == NULL ) {
+      SDL_OutOfMemory();
+      SDL_nummodes[index] = 0;
+      free(mode);
+      return(-1);
+    }
+    SDL_modelist[index][next_mode] = mode;
+    SDL_modelist[index][next_mode+1] = NULL;
+    SDL_nummodes[index]++;
+
+    return(0);
+  }
+
+  int QT_VideoInit(_THIS, SDL_PixelFormat *vformat)
+  {
+    /* Initialize the QPE Application  */
+    if(SDL_InitQPEApp() == -1) {
+      return -1;
+    }
+
+     /* Determine the screen depth */
+    vformat->BitsPerPixel = QPixmap::defaultDepth();
+
+    // For now we hardcode the current depth because anything else
+    // might as well be emulated by SDL rather than by Qtopia.
+    
+    QSize desktop_size = qApp->desktop()->size();
+    QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
+	       desktop_size.width(), desktop_size.height());
+    QT_AddMode(_this, ((vformat->BitsPerPixel+7)/8)-1,
+	       desktop_size.height(), desktop_size.width());
+
+    /* Create the window / widget */
+    SDL_Win = new SDL_QWin(QSize(QT_HIDDEN_SIZE, QT_HIDDEN_SIZE));
+    qApp->setMainWidget(SDL_Win);
+    /* Fill in some window manager capabilities */
+    _this->info.wm_available = 0;
+
+    /* We're done! */
+    return(0);
+  }
+
+  /* We support any dimension at our bit-depth */
+  SDL_Rect **QT_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
+  {
+    SDL_Rect **modes;
+
+    modes = ((SDL_Rect **)0);
+    if ( (flags & SDL_FULLSCREEN) == SDL_FULLSCREEN ) {
+      modes = SDL_modelist[((format->BitsPerPixel+7)/8)-1];
+    } else {
+      if ( format->BitsPerPixel ==
+	   _this->screen->format->BitsPerPixel ) {
+	modes = ((SDL_Rect **)-1);
+      }
+    }
+    return(modes);
+  }
+
+  /* Various screen update functions available */
+  static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects);
+
+
+  static int QT_SetFullScreen(_THIS, SDL_Surface *screen, int fullscreen)
+  {
+    return -1;
+  }
+
+  static int QT_ToggleFullScreen(_THIS, int fullscreen)
+  {
+    return -1;
+  }
+
+  /* FIXME: check return values and cleanup here */
+  SDL_Surface *QT_SetVideoMode(_THIS, SDL_Surface *current,
+			       int width, int height, int bpp, Uint32 flags)
+  {
+    Qt::WFlags wflags = Qt::WType_TopLevel|Qt::WStyle_Customize;
+    QImage *qimage;
+    QSize desktop_size = qApp->desktop()->size();
+
+    
+    current->flags = SDL_FULLSCREEN; // We always run fullscreen.
+
+    if(width <= desktop_size.width() && height <= desktop_size.height()) {
+      current->w = desktop_size.width();
+      current->h = desktop_size.height();
+    } else if(width <= desktop_size.height()
+	      && height <= desktop_size.width()) {
+      // Landscape mode
+      current->h = desktop_size.width();
+      current->w = desktop_size.height();
+    } else {
+      SDL_SetError("Unsupported resolution, %dx%d\n", width, height);
+    }
+    if ( flags & SDL_OPENGL ) {
+      SDL_SetError("OpenGL not supported");
+      return(NULL);
+    } 
+    /* Create the QImage framebuffer */
+    qimage = new QImage(current->w, current->h, bpp);
+    if (qimage->isNull()) {
+      SDL_SetError("Couldn't create screen bitmap");
+      delete qimage;
+      return(NULL);
+    }
+    current->pitch = qimage->bytesPerLine();
+    current->pixels = (void *)qimage->bits();
+    SDL_Win->setImage(qimage);
+    _this->UpdateRects = QT_NormalUpdate;
+    SDL_Win->setFullscreen(true);
+    /* We're done */
+    return(current);
+  }
+
+  /* Update the current mouse state and position */
+  void QT_UpdateMouse(_THIS)
+  {
+    QPoint point(-1, -1);
+    if ( SDL_Win->isActiveWindow() ) {
+      point = SDL_Win->mousePos();
+    }
+    
+    if ( (point.x() >= 0) && (point.x() < SDL_VideoSurface->w) &&
+	 (point.y() >= 0) && (point.y() < SDL_VideoSurface->h) ) {
+      SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
+      SDL_PrivateMouseMotion(0, 0,
+			     (Sint16)point.x(), (Sint16)point.y());
+    } else {
+      SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
+    }
+  }
+
+  /* We don't actually allow hardware surfaces other than the main one */
+  static int QT_AllocHWSurface(_THIS, SDL_Surface *surface)
+  {
+    return(-1);
+  }
+  static void QT_FreeHWSurface(_THIS, SDL_Surface *surface)
+  {
+    return;
+  }
+  static int QT_LockHWSurface(_THIS, SDL_Surface *surface)
+  {
+    return(0);
+  }
+  static void QT_UnlockHWSurface(_THIS, SDL_Surface *surface)
+  {
+    return;
+  }
+
+  static void QT_NormalUpdate(_THIS, int numrects, SDL_Rect *rects)
+  {
+    int i;
+    SDL_Win->lockScreen(); 
+    for ( i=0; i<numrects; ++i ) {
+      QRect rect(rects[i].x, rects[i].y,
+		 rects[i].w, rects[i].h);
+      SDL_Win->repaintRect(rect);
+    }
+    SDL_Win->unlockScreen(); 
+  }
+  /* Is the system palette settable? */
+  int QT_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
+  {
+    return -1;
+  }
+
+  void QT_VideoQuit(_THIS)
+  {
+    qApp->setMainWidget(0);
+    delete SDL_Win;
+    SDL_QuitQPEApp();
+    _this->screen->pixels = NULL;
+  }
+
+}; /* Extern C */