Mercurial > sdl-ios-xcode
diff src/video/os2fslib/SDL_os2fslib.c @ 1190:173c063d4f55
OS/2 port!
This was mostly, if not entirely, written by "Doodle" and "Caetano":
doodle@scenergy.dfmk.hu
daniel@caetano.eng.br
--ryan.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 23 Nov 2005 07:29:56 +0000 |
| parents | |
| children | 3692456e7b0f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/os2fslib/SDL_os2fslib.c Wed Nov 23 07:29:56 2005 +0000 @@ -0,0 +1,2787 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2004 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 +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <process.h> +#include <time.h> + +#include "SDL.h" +#include "SDL_error.h" +#include "SDL_video.h" +#include "SDL_mouse.h" +#include "SDL_sysvideo.h" +#include "SDL_pixels_c.h" +#include "SDL_events_c.h" + +#include "SDL_os2fslib.h" + +static ULONG ulFCFToUse = + FCF_TITLEBAR | + FCF_SYSMENU | + FCF_MINBUTTON | + FCF_MAXBUTTON | + FCF_NOBYTEALIGN | + FCF_SIZEBORDER | + FCF_TASKLIST; + +static int bMouseCaptured = 0; +static int bMouseCapturable = 0; +static HPOINTER hptrGlobalPointer = NULL; +static HPOINTER hptrCurrentIcon = NULL; +static int iWindowSizeX = 320; +static int iWindowSizeY = 200; +static int bWindowResized = 0; + +#pragma pack(1) +typedef struct BMPINFO +{ + BITMAPINFO; + RGB clr; +} BMPINFO, *PBMPINFO; +#pragma pack() + + +// Backdoors: +DECLSPEC void SDLCALL SDL_OS2FSLIB_SetFCFToUse(ULONG ulFCF) +{ + ulFCFToUse = ulFCF; +} + +// Configuration defines: + +// We have to report empty alpha mask, otherwise SDL will select +// alpha blitters, and this will have unwanted results, as we don't +// support alpha channel in FSLib yet. +#define REPORT_EMPTY_ALPHA_MASK + +// Experimental: Move every FSLib_BitBlt() call into window message +// processing function. +// This may fix dirt left on desktop. Or not. +//#define BITBLT_IN_WINMESSAGEPROC + +// Experimental-2: Use WinLockWindowUpdate() in around bitblts! +// This is not enabled, because it seems to cause more problems +// than good. +//#define USE_WINLOCKWINDOWUPDATE_AROUND_BITBLTS + +// Use the following to show resized image instead of black stuff +// even if the surface is resizable. +//#define RESIZE_EVEN_IF_RESIZABLE + +/* The translation table from a VK keysym to a SDL keysym */ +static SDLKey HWScanKeyMap[256]; +static SDL_keysym *TranslateKey(int vkey, int chcode, int scancode, SDL_keysym *keysym, int iPressed); +static int iShiftIsPressed; + +#ifdef BITBLT_IN_WINMESSAGEPROC +#define WM_UPDATERECTSREQUEST WM_USER+50 +#endif + +#ifdef USE_WINLOCKWINDOWUPDATE_AROUND_BITBLTS +#define FSLIB_BITBLT(hwnd, buffer, top, left, width, height) \ + { \ + WinLockWindowUpdate(HWND_DESKTOP, HWND_DESKTOP); \ + FSLib_BitBlt(hwnd, buffer, top, left, width, height); \ + WinLockWindowUpdate(HWND_DESKTOP, NULL); \ + } +#else +#define FSLIB_BITBLT(hwnd, buffer, top, left, width, height) \ + FSLib_BitBlt(hwnd, buffer, top, left, width, height); +#endif + +///////////////////////////////////////////////////////////////////// +// +// SetAccessableWindowPos +// +// Same as WinSetWindowPos(), but takes care for the window to be +// always on the screen, the titlebar will be accessable everytime. +// +///////////////////////////////////////////////////////////////////// +static BOOL SetAccessableWindowPos(HWND hwnd, HWND hwndInsertBehind, + LONG x, LONG y, + LONG cx, LONG cy, + ULONG fl) +{ + SWP swpDesktop, swp; + // Get desktop area + WinQueryWindowPos(HWND_DESKTOP, &swpDesktop); + + if ((fl & SWP_MOVE) && (fl & SWP_SIZE)) + { + // If both moving and sizing, then change size and pos now!! + if (x+cx>swpDesktop.cx) + x = swpDesktop.cx - cx; + if (x<0) + x = 0; + if (y<0) + y = 0; + if (y+cy>swpDesktop.cy) + y = swpDesktop.cy - cy; + return WinSetWindowPos(hwnd, hwndInsertBehind, x, y, cx, cy, fl); + } else + if (fl & SWP_MOVE) + { + // Just moving + WinQueryWindowPos(hwnd, &swp); + if (x+swp.cx>swpDesktop.cx) + x = swpDesktop.cx - swp.cx; + if (x<0) + x = 0; + if (y<0) + y = 0; + if (y+swp.cy>swpDesktop.cy) + y = swpDesktop.cy - swp.cy; + return WinSetWindowPos(hwnd, hwndInsertBehind, x, y, cx, cy, fl); + } else + if (fl & SWP_SIZE) + { + // Just sizing + WinQueryWindowPos(hwnd, &swp); + x = swp.x; + y = swp.y; + if (x+cx>swpDesktop.cx) + x = swpDesktop.cx - cx; + if (x<0) + x = 0; + if (y<0) + y = 0; + if (y+cy>swpDesktop.cy) + y = swpDesktop.cy - cy; + return WinSetWindowPos(hwnd, hwndInsertBehind, x, y, cx, cy, fl | SWP_MOVE); + } else + return WinSetWindowPos(hwnd, hwndInsertBehind, x, y, cx, cy, fl); +} + +///////////////////////////////////////////////////////////////////// +// +// TranslateKey +// +// This creates SDL Keycodes from VK_ and hardware scan codes +// +///////////////////////////////////////////////////////////////////// +static SDL_keysym *TranslateKey(int vkey, int chcode, int scancode, SDL_keysym *keysym, int iPressed) +{ + keysym->scancode = (unsigned char) scancode; + keysym->mod = KMOD_NONE; + keysym->unicode = 0; + + if (iPressed && SDL_TranslateUNICODE) + { + // TODO: + // Implement real unicode conversion! + if (chcode) + keysym->unicode = chcode; + else + keysym->unicode = vkey; + } + + keysym->sym = HWScanKeyMap[scancode]; + + // Now stuffs based on state of shift key(s)! + if (vkey == VK_SHIFT) + { + iShiftIsPressed = iPressed; + } + + if ((iShiftIsPressed) && (SDL_TranslateUNICODE)) + { + // Change syms, if Unicode stuff is required + // I think it's silly, but it's SDL... + switch (keysym->sym) + { + case SDLK_BACKQUOTE: + keysym->sym = '~'; + break; + case SDLK_1: + keysym->sym = SDLK_EXCLAIM; + break; + case SDLK_2: + keysym->sym = SDLK_AT; + break; + case SDLK_3: + keysym->sym = SDLK_HASH; + break; + case SDLK_4: + keysym->sym = SDLK_DOLLAR; + break; + case SDLK_5: + keysym->sym = '%'; + break; + case SDLK_6: + keysym->sym = SDLK_CARET; + break; + case SDLK_7: + keysym->sym = SDLK_AMPERSAND; + break; + case SDLK_8: + keysym->sym = SDLK_ASTERISK; + break; + case SDLK_9: + keysym->sym = SDLK_LEFTPAREN; + break; + case SDLK_0: + keysym->sym = SDLK_RIGHTPAREN; + break; + case SDLK_MINUS: + keysym->sym = SDLK_UNDERSCORE; + break; + case SDLK_PLUS: + keysym->sym = SDLK_EQUALS; + break; + + case SDLK_LEFTBRACKET: + keysym->sym = '{'; + break; + case SDLK_RIGHTBRACKET: + keysym->sym = '}'; + break; + + case SDLK_SEMICOLON: + keysym->sym = SDLK_COLON; + break; + case SDLK_QUOTE: + keysym->sym = SDLK_QUOTEDBL; + break; + case SDLK_BACKSLASH: + keysym->sym = '|'; + break; + + case SDLK_COMMA: + keysym->sym = SDLK_LESS; + break; + case SDLK_PERIOD: + keysym->sym = SDLK_GREATER; + break; + case SDLK_SLASH: + keysym->sym = SDLK_QUESTION; + break; + + default: + break; + } + } + return keysym; +} + +#define CONVERTMOUSEPOSITION() \ + /* We have to inverse the mouse position, because every non-os/2 system */ \ + /* has a coordinate system where the (0;0) is the top-left corner, */ \ + /* while on os/2 it's the bottom left corner! */ \ + if (FSLib_QueryFSMode(hwnd)) \ + { \ + /* We're in FS mode! */ \ + /* In FS mode our window is as big as fullscreen mode, but not necessary as */ \ + /* big as the source buffer (can be bigger) */ \ + /* So, limit mouse pos to source buffer size! */ \ + if (ppts->x<0) ppts->x = 0; \ + if (ppts->y<0) ppts->y = 0; \ + if (ppts->x>=pVideo->hidden->SrcBufferDesc.uiXResolution) ppts->x = pVideo->hidden->SrcBufferDesc.uiXResolution-1; \ + if (ppts->y>=pVideo->hidden->SrcBufferDesc.uiYResolution) ppts->y = pVideo->hidden->SrcBufferDesc.uiYResolution-1; \ + pVideo->hidden->iSkipWMMOUSEMOVE++; /* Don't take next WM_MOUSEMOVE into account! */ \ + ptl.x = ppts->x; ptl.y = ppts->y; \ + WinMapWindowPoints(pVideo->hidden->hwndClient, HWND_DESKTOP, &ptl, 1); \ + WinSetPointerPos(HWND_DESKTOP, ptl.x, ptl.y); \ + /* Then convert OS/2 position to SDL position */ \ + ppts->y = pVideo->hidden->SrcBufferDesc.uiYResolution - ppts->y - 1; \ + } else \ + { \ + SWP swpClient; \ + /* We're in windowed mode! */ \ + WinQueryWindowPos(pVideo->hidden->hwndClient, &swpClient); \ + /* Convert OS/2 mouse position to SDL position, and also scale it! */ \ + (ppts->x) = (ppts->x) * pVideo->hidden->SrcBufferDesc.uiXResolution / swpClient.cx; \ + (ppts->y) = (ppts->y) * pVideo->hidden->SrcBufferDesc.uiYResolution / swpClient.cy; \ + (ppts->y) = pVideo->hidden->SrcBufferDesc.uiYResolution - (ppts->y) - 1; \ + } + + + +///////////////////////////////////////////////////////////////////// +// +// WndProc +// +// This is the message processing window procedure for the +// SDLWindowClass, which is the client window in our application. +// It handles switching back and away from the app (taking care of +// going out and back to and from fullscreen mode), sending keystrokes +// and mouse events to where it has to be sent, etc... +// +///////////////////////////////////////////////////////////////////// +static MRESULT EXPENTRY WndProc( HWND hwnd, ULONG msg, MPARAM mp1, MPARAM mp2) +{ + HPS ps; + RECTL rcl; + SDL_VideoDevice *pVideo = NULL; + + switch (msg) + { + case WM_CHAR: // Keypress notification +#ifdef DEBUG_BUILD +// printf("WM_CHAR\n"); fflush(stdout); +#endif + pVideo = WinQueryWindowPtr(hwnd, 0); + if (pVideo) + { + /* + // We skip repeated keys: + if (CHARMSG(&msg)->cRepeat>1) + { +#ifdef DEBUG_BUILD +// printf("Repeated key (%d), skipping...\n", CHARMSG(&msg)->cRepeat); fflush(stdout); +#endif + return (MRESULT) TRUE; + } + */ + + // If it's not repeated, then let's see if its pressed or released! + if (SHORT1FROMMP(mp1) & KC_KEYUP) + { + // A key has been released + SDL_keysym keysym; + +#ifdef DEBUG_BUILD +// printf("WM_CHAR, keyup, code is [0x%0x]\n", CHAR4FROMMP(mp1)); // HW scan code +#endif + + // One problem is with F1, which gets only the keyup message because + // it is a system key. + // So, when we get keyup message, we simulate keydown too! + // UPDATE: + // This problem should be solved now, that the accelerator keys are + // disabled for this window! + /* + if (SHORT2FROMMP(mp2)==VK_F1) + { + SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(SHORT2FROMMP(mp2), // VK_ code + SHORT1FROMMP(mp2), // Character code + CHAR4FROMMP(mp1), // HW Scan code + &keysym,0)); + }*/ + + SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(SHORT2FROMMP(mp2), // VK_ code + SHORT1FROMMP(mp2), // Character code + CHAR4FROMMP(mp1), // HW Scan code + &keysym,0)); + + } else + { + // A key has been pressed + SDL_keysym keysym; + +#ifdef DEBUG_BUILD +// printf("WM_CHAR, keydown, code is [0x%0x]\n", CHAR4FROMMP(mp1)); // HW scan code +#endif + // Check for fastkeys: ALT+HOME to toggle FS mode + // ALT+END to close app + if ((SHORT1FROMMP(mp1) & KC_ALT) && + (SHORT2FROMMP(mp2) == VK_HOME)) + { +#ifdef DEBUG_BUILD + printf(" Pressed ALT+HOME!\n"); fflush(stdout); +#endif + // Only switch between fullscreen and back if it's not + // a resizable mode! + if ( + (!pVideo->hidden->pSDLSurface) || + ((pVideo->hidden->pSDLSurface) + && ((pVideo->hidden->pSDLSurface->flags & SDL_RESIZABLE)==0) + ) + ) + FSLib_ToggleFSMode(hwnd, !FSLib_QueryFSMode(hwnd)); +#ifdef DEBUG_BUILD + else + printf(" Resizable mode, so discarding ALT+HOME!\n"); fflush(stdout); +#endif + } else + if ((SHORT1FROMMP(mp1) & KC_ALT) && + (SHORT2FROMMP(mp2) == VK_END)) + { +#ifdef DEBUG_BUILD + printf(" Pressed ALT+END!\n"); fflush(stdout); +#endif + // Close window, and get out of loop! + // Also send event to SDL application, but we won't + // wait for it to be processed! + SDL_PrivateQuit(); + WinPostMsg(hwnd, WM_QUIT, 0, 0); + } else + { + + SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(SHORT2FROMMP(mp2), // VK_ code + SHORT1FROMMP(mp2), // Character code + CHAR4FROMMP(mp1), // HW Scan code + &keysym,1)); + + } + } + } + return (MRESULT) TRUE; + + case WM_TRANSLATEACCEL: + { + PQMSG pqmsg; + pqmsg = (PQMSG) mp1; + if (mp1) + { + if (pqmsg->msg == WM_CHAR) + { + // WM_CHAR message! + // Let's filter the ALT keypress and all other acceleration keys! + return (MRESULT) FALSE; + } + } + break; // Default processing (pass to parent until frame control) + } + + case WM_PAINT: // Window redraw! +#ifdef DEBUG_BUILD + printf("WM_PAINT (0x%x)\n", hwnd); fflush(stdout); +#endif + ps = WinBeginPaint(hwnd,0,&rcl); + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + if (!pVideo->hidden->pSDLSurface) + { + RECTL rclRect; + // So, don't blit now! +#ifdef DEBUG_BUILD + printf("WM_PAINT : Skipping blit while resizing (Pre!)!\n"); fflush(stdout); +#endif + WinQueryWindowRect(hwnd, &rclRect); + // Fill with black + WinFillRect(ps, &rclRect, CLR_BLACK); + } else + { + if (DosRequestMutexSem(pVideo->hidden->hmtxUseSrcBuffer, 1000)==NO_ERROR) + { + int iTop, iLeft, iWidth, iHeight; + int iXScaleError, iYScaleError; + int iXScaleError2, iYScaleError2; + SWP swp; + + // Re-blit the modified area! + // For this, we have to calculate the points, scaled! + WinQueryWindowPos(hwnd, &swp); +#ifdef DEBUG_BUILD + printf("WM_PAINT : WinSize: %d %d, BufSize: %d %d\n", + swp.cx, + swp.cy, + pVideo->hidden->SrcBufferDesc.uiXResolution, + pVideo->hidden->SrcBufferDesc.uiYResolution + ); + fflush(stdout); +#endif + +#ifndef RESIZE_EVEN_IF_RESIZABLE + // But only blit if the window is not resizable, or if + // the window is resizable and the source buffer size is the + // same as the destination buffer size! + if ((!pVideo->hidden->pSDLSurface) || + ((pVideo->hidden->pSDLSurface) && + (pVideo->hidden->pSDLSurface->flags & SDL_RESIZABLE) && + ((swp.cx != pVideo->hidden->SrcBufferDesc.uiXResolution) || + (swp.cy != pVideo->hidden->SrcBufferDesc.uiYResolution) + ) && + (!FSLib_QueryFSMode(hwnd)) + ) + ) + { + RECTL rclRect; + // Resizable surface and in resizing! + // So, don't blit now! +#ifdef DEBUG_BUILD + printf("WM_PAINT : Skipping blit while resizing!\n"); fflush(stdout); +#endif + WinQueryWindowRect(hwnd, &rclRect); + // Fill with black + WinFillRect(ps, &rclRect, CLR_BLACK); + } else +#endif + { + + iXScaleError = (pVideo->hidden->SrcBufferDesc.uiXResolution-1) / swp.cx; + iYScaleError = (pVideo->hidden->SrcBufferDesc.uiYResolution-1) / swp.cy; + if (iXScaleError<0) iXScaleError = 0; + if (iYScaleError<0) iYScaleError = 0; + iXScaleError2 = (swp.cx-1)/(pVideo->hidden->SrcBufferDesc.uiXResolution); + iYScaleError2 = (swp.cy-1)/(pVideo->hidden->SrcBufferDesc.uiYResolution); + if (iXScaleError2<0) iXScaleError2 = 0; + if (iYScaleError2<0) iYScaleError2 = 0; + + iTop = (swp.cy - rcl.yTop) * pVideo->hidden->SrcBufferDesc.uiYResolution / swp.cy - iYScaleError; + iLeft = rcl.xLeft * pVideo->hidden->SrcBufferDesc.uiXResolution / swp.cx - iXScaleError; + iWidth = ((rcl.xRight-rcl.xLeft) * pVideo->hidden->SrcBufferDesc.uiXResolution + swp.cx-1) + / swp.cx + 2*iXScaleError; + iHeight = ((rcl.yTop-rcl.yBottom) * pVideo->hidden->SrcBufferDesc.uiYResolution + swp.cy-1) + / swp.cy + 2*iYScaleError; + + iWidth+=iXScaleError2; + iHeight+=iYScaleError2; + + if (iTop<0) iTop = 0; + if (iLeft<0) iLeft = 0; + if (iTop+iHeight>pVideo->hidden->SrcBufferDesc.uiYResolution) iHeight = pVideo->hidden->SrcBufferDesc.uiYResolution-iTop; + if (iLeft+iWidth>pVideo->hidden->SrcBufferDesc.uiXResolution) iWidth = pVideo->hidden->SrcBufferDesc.uiXResolution-iLeft; + +#ifdef DEBUG_BUILD + printf("WM_PAINT : BitBlt: %d %d -> %d %d (Buf %d x %d)\n", + iTop, iLeft, iWidth, iHeight, + pVideo->hidden->SrcBufferDesc.uiXResolution, + pVideo->hidden->SrcBufferDesc.uiYResolution + ); + fflush(stdout); +#endif + + FSLIB_BITBLT(hwnd, pVideo->hidden->pchSrcBuffer, iTop, iLeft, iWidth, iHeight); + } + + DosReleaseMutexSem(pVideo->hidden->hmtxUseSrcBuffer); + } + } + } +#ifdef DEBUG_BUILD + else + { + printf("WM_PAINT : No pVideo!\n"); fflush(stdout); + } +#endif + WinEndPaint(ps); +#ifdef DEBUG_BUILD + printf("WM_PAINT : Done.\n"); + fflush(stdout); +#endif + return 0; + + case WM_SIZE: + { +#ifdef DEBUG_BUILD + printf("WM_SIZE : (%d %d)\n", + SHORT1FROMMP(mp2), SHORT2FROMMP(mp2)); fflush(stdout); +#endif + iWindowSizeX = SHORT1FROMMP(mp2); + iWindowSizeY = SHORT2FROMMP(mp2); + bWindowResized = 1; + + // Make sure the window will be redrawn + WinInvalidateRegion(hwnd, NULL, TRUE); + } + break; + + case WM_FSLIBNOTIFICATION: +#ifdef DEBUG_BUILD + printf("WM_FSLIBNOTIFICATION\n"); fflush(stdout); +#endif + if ((int)mp1 == FSLN_TOGGLEFSMODE) + { + // FS mode changed, reblit image! + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + if (!pVideo->hidden->pSDLSurface) + { + // Resizable surface and in resizing! + // So, don't blit now! +#ifdef DEBUG_BUILD + printf("WM_FSLIBNOTIFICATION : Can not blit if there is no surface, doing nothing.\n"); fflush(stdout); +#endif + } else + { + if (DosRequestMutexSem(pVideo->hidden->hmtxUseSrcBuffer, 1000)==NO_ERROR) + { + if (pVideo->hidden->pSDLSurface) + { +#ifndef RESIZE_EVEN_IF_RESIZABLE + SWP swp; + + // But only blit if the window is not resizable, or if + // the window is resizable and the source buffer size is the + // same as the destination buffer size! + WinQueryWindowPos(hwnd, &swp); + if ((!pVideo->hidden->pSDLSurface) || + ( + (pVideo->hidden->pSDLSurface) && + (pVideo->hidden->pSDLSurface->flags & SDL_RESIZABLE) && + ((swp.cx != pVideo->hidden->SrcBufferDesc.uiXResolution) || + (swp.cy != pVideo->hidden->SrcBufferDesc.uiYResolution) + ) && + (!FSLib_QueryFSMode(hwnd)) + ) + ) + { + // Resizable surface and in resizing! + // So, don't blit now! +#ifdef DEBUG_BUILD + printf("WM_FSLIBNOTIFICATION : Cannot blit while resizing, doing nothing.\n"); fflush(stdout); +#endif + } else +#endif + { +#ifdef DEBUG_BUILD + printf("WM_FSLIBNOTIFICATION : Blitting!\n"); fflush(stdout); +#endif + FSLIB_BITBLT(hwnd, pVideo->hidden->pchSrcBuffer, + 0, 0, + pVideo->hidden->SrcBufferDesc.uiXResolution, + pVideo->hidden->SrcBufferDesc.uiYResolution); + } + } +#ifdef DEBUG_BUILD + else + printf("WM_FSLIBNOTIFICATION : No public surface!\n"); fflush(stdout); +#endif + + DosReleaseMutexSem(pVideo->hidden->hmtxUseSrcBuffer); + } + } + } + } + return (MPARAM) 1; + + case WM_ACTIVATE: +#ifdef DEBUG_BUILD + printf("WM_ACTIVATE\n"); fflush(stdout); +#endif + + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + pVideo->hidden->fInFocus = (int) mp1; + if (pVideo->hidden->fInFocus) + { + // Went into focus + if ((pVideo->hidden->iMouseVisible) && (!bMouseCaptured)) + WinSetPointer(HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP, SPTR_ARROW, FALSE)); + else + WinSetPointer(HWND_DESKTOP, NULL); + + if (bMouseCapturable) + { + // Re-capture the mouse, if we captured it before! + WinSetCapture(HWND_DESKTOP, hwnd); + bMouseCaptured = 1; + { + SWP swpClient; + POINTL ptl; + // Center the mouse to the middle of the window! + WinQueryWindowPos(pVideo->hidden->hwndClient, &swpClient); + ptl.x = 0; ptl.y = 0; + WinMapWindowPoints(pVideo->hidden->hwndClient, HWND_DESKTOP, &ptl, 1); + pVideo->hidden->iSkipWMMOUSEMOVE++; /* Don't take next WM_MOUSEMOVE into account! */ + WinSetPointerPos(HWND_DESKTOP, + ptl.x + swpClient.cx/2, + ptl.y + swpClient.cy/2); + } + } + } else + { + // Went out of focus + WinSetPointer(HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP, SPTR_ARROW, FALSE)); + + if (bMouseCaptured) + { + // Release the mouse + WinSetCapture(HWND_DESKTOP, hwnd); + bMouseCaptured = 0; + } + } + } +#ifdef DEBUG_BUILD + printf("WM_ACTIVATE done\n"); fflush(stdout); +#endif + + break; + + case WM_BUTTON1DOWN: +#ifdef DEBUG_BUILD + printf("WM_BUTTON1DOWN\n"); fflush(stdout); +#endif + + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + SDL_PrivateMouseButton(SDL_PRESSED, + SDL_BUTTON_LEFT, + 0, 0); // Don't report mouse movement! + + if (bMouseCapturable) + { + // We should capture the mouse! + if (!bMouseCaptured) + { + WinSetCapture(HWND_DESKTOP, hwnd); + WinSetPointer(HWND_DESKTOP, NULL); + bMouseCaptured = 1; + { + SWP swpClient; + POINTL ptl; + // Center the mouse to the middle of the window! + WinQueryWindowPos(pVideo->hidden->hwndClient, &swpClient); + ptl.x = 0; ptl.y = 0; + WinMapWindowPoints(pVideo->hidden->hwndClient, HWND_DESKTOP, &ptl, 1); + pVideo->hidden->iSkipWMMOUSEMOVE++; /* Don't take next WM_MOUSEMOVE into account! */ + WinSetPointerPos(HWND_DESKTOP, + ptl.x + swpClient.cx/2, + ptl.y + swpClient.cy/2); + } + } + } + } + break; + case WM_BUTTON1UP: +#ifdef DEBUG_BUILD + printf("WM_BUTTON1UP\n"); fflush(stdout); +#endif + SDL_PrivateMouseButton(SDL_RELEASED, + SDL_BUTTON_LEFT, + 0, 0); // Don't report mouse movement! + break; + case WM_BUTTON2DOWN: +#ifdef DEBUG_BUILD + printf("WM_BUTTON2DOWN\n"); fflush(stdout); +#endif + + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + SDL_PrivateMouseButton(SDL_PRESSED, + SDL_BUTTON_RIGHT, + 0, 0); // Don't report mouse movement! + + if (bMouseCapturable) + { + // We should capture the mouse! + if (!bMouseCaptured) + { + WinSetCapture(HWND_DESKTOP, hwnd); + WinSetPointer(HWND_DESKTOP, NULL); + bMouseCaptured = 1; + { + SWP swpClient; + POINTL ptl; + // Center the mouse to the middle of the window! + WinQueryWindowPos(pVideo->hidden->hwndClient, &swpClient); + ptl.x = 0; ptl.y = 0; + WinMapWindowPoints(pVideo->hidden->hwndClient, HWND_DESKTOP, &ptl, 1); + pVideo->hidden->iSkipWMMOUSEMOVE++; /* Don't take next WM_MOUSEMOVE into account! */ + WinSetPointerPos(HWND_DESKTOP, + ptl.x + swpClient.cx/2, + ptl.y + swpClient.cy/2); + } + } + } + + } + break; + case WM_BUTTON2UP: +#ifdef DEBUG_BUILD + printf("WM_BUTTON2UP\n"); fflush(stdout); +#endif + SDL_PrivateMouseButton(SDL_RELEASED, + SDL_BUTTON_RIGHT, + 0, 0); // Don't report mouse movement! + break; + case WM_BUTTON3DOWN: +#ifdef DEBUG_BUILD + printf("WM_BUTTON3DOWN\n"); fflush(stdout); +#endif + + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + SDL_PrivateMouseButton(SDL_PRESSED, + SDL_BUTTON_MIDDLE, + 0, 0); // Don't report mouse movement! + + if (bMouseCapturable) + { + // We should capture the mouse! + if (!bMouseCaptured) + { + WinSetCapture(HWND_DESKTOP, hwnd); + WinSetPointer(HWND_DESKTOP, NULL); + bMouseCaptured = 1; + { + SWP swpClient; + POINTL ptl; + // Center the mouse to the middle of the window! + WinQueryWindowPos(pVideo->hidden->hwndClient, &swpClient); + ptl.x = 0; ptl.y = 0; + WinMapWindowPoints(pVideo->hidden->hwndClient, HWND_DESKTOP, &ptl, 1); + pVideo->hidden->iSkipWMMOUSEMOVE++; /* Don't take next WM_MOUSEMOVE into account! */ + WinSetPointerPos(HWND_DESKTOP, + ptl.x + swpClient.cx/2, + ptl.y + swpClient.cy/2); + } + } + } + } + break; + case WM_BUTTON3UP: +#ifdef DEBUG_BUILD + printf("WM_BUTTON3UP\n"); fflush(stdout); +#endif + SDL_PrivateMouseButton(SDL_RELEASED, + SDL_BUTTON_MIDDLE, + 0, 0); // Don't report mouse movement! + break; + case WM_MOUSEMOVE: +#ifdef DEBUG_BUILD +// printf("WM_MOUSEMOVE\n"); fflush(stdout); +#endif + + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + if (pVideo->hidden->iSkipWMMOUSEMOVE) + { + pVideo->hidden->iSkipWMMOUSEMOVE--; + } else + { + POINTS *ppts = (POINTS *) (&mp1); + POINTL ptl; + + CONVERTMOUSEPOSITION(); + + if (bMouseCaptured) + { + SWP swpClient; + // Send relative mouse position, and re-center the mouse + // Reposition the mouse to the center of the screen/window + SDL_PrivateMouseMotion(0, // Buttons not changed + 1, // Relative position + ppts->x - (pVideo->hidden->SrcBufferDesc.uiXResolution/2), + ppts->y+1 - (pVideo->hidden->SrcBufferDesc.uiYResolution/2)); + + WinQueryWindowPos(pVideo->hidden->hwndClient, &swpClient); + ptl.x = 0; ptl.y = 0; + WinMapWindowPoints(pVideo->hidden->hwndClient, HWND_DESKTOP, &ptl, 1); + pVideo->hidden->iSkipWMMOUSEMOVE++; /* Don't take next WM_MOUSEMOVE into account! */ + // Center the mouse to the middle of the window! + WinSetPointerPos(HWND_DESKTOP, + ptl.x + swpClient.cx/2, + ptl.y + swpClient.cy/2); + } else + { + // Send absolute mouse position + SDL_PrivateMouseMotion(0, // Buttons not changed + 0, // Absolute position + ppts->x, + ppts->y); + } + } + if ((pVideo->hidden->iMouseVisible) && (!bMouseCaptured)) + { +#ifdef DEBUG_BUILD +// printf("WM_MOUSEMOVE : ptr = %p\n", hptrGlobalPointer); fflush(stdout); +#endif + + if (hptrGlobalPointer) + WinSetPointer(HWND_DESKTOP, hptrGlobalPointer); + else + WinSetPointer(HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP, SPTR_ARROW, FALSE)); + } + else + { + WinSetPointer(HWND_DESKTOP, NULL); + } + } +#ifdef DEBUG_BUILD +// printf("WM_MOUSEMOVE done\n"); fflush(stdout); +#endif + + return (MRESULT) FALSE; + case WM_CLOSE: // Window close +#ifdef DEBUG_BUILD + printf("WM_CLOSE\n"); fflush(stdout); +#endif + + pVideo = FSLib_GetUserParm(hwnd); + if (pVideo) + { + // Send Quit message to the SDL application! + SDL_PrivateQuit(); + return 0; + } + break; + +#ifdef BITBLT_IN_WINMESSAGEPROC + case WM_UPDATERECTSREQUEST: + pVideo = FSLib_GetUserParm(hwnd); + if ((pVideo) && (pVideo->hidden->pSDLSurface)) + { + if (DosRequestMutexSem(pVideo->hidden->hmtxUseSrcBuffer, SEM_INDEFINITE_WAIT)==NO_ERROR) + { + int numrects; + SDL_Rect *rects; + int i; + SWP swp; + + numrects = (int) mp1; + rects = (SDL_Rect *) mp2; + + WinQueryWindowPos(hwnd, &swp); +#ifndef RESIZE_EVEN_IF_RESIZABLE + if ((!pVideo->hidden->pSDLSurface) || + ( + (pVideo->hidden->pSDLSurface) && + (pVideo->hidden->pSDLSurface->flags & SDL_RESIZABLE) && + ((swp.cx != pVideo->hidden->SrcBufferDesc.uiXResolution) || + (swp.cy != pVideo->hidden->SrcBufferDesc.uiYResolution) + ) && + (!FSLib_QueryFSMode(hwnd)) + ) + ) + { + // Resizable surface and in resizing! + // So, don't blit now! +#ifdef DEBUG_BUILD + printf("[WM_UPDATERECTSREQUEST] : Skipping blit while resizing!\n"); fflush(stdout); +#endif + } else +#endif + { +#ifdef DEBUG_BUILD + printf("[WM_UPDATERECTSREQUEST] : Blitting!\n"); fflush(stdout); +#endif + + // Blit the changed areas + for (i=0; i<numrects; i++) + FSLIB_BITBLT(hwnd, pVideo->hidden->pchSrcBuffer, + rects[i].y, rects[i].x, rects[i].w, rects[i].h); + } + DosReleaseMutexSem(pVideo->hidden->hmtxUseSrcBuffer); + } + } + return 0; +#endif + + default: +#ifdef DEBUG_BUILD + printf("Unhandled: %x\n", msg); fflush(stdout); +#endif + + break; + } + // Run the default window procedure for unhandled stuffs + return WinDefWindowProc(hwnd, msg, mp1, mp2); +} + +///////////////////////////////////////////////////////////////////// +// +// PMThreadFunc +// +// This function implements the PM-Thread, which initializes the +// application window itself, the DIVE, and start message processing. +// +///////////////////////////////////////////////////////////////////// +int iNumOfPMThreadInstances = 0; // Global! +static void PMThreadFunc(void *pParm) +{ + SDL_VideoDevice *pVideo = pParm; + HAB hab; + HMQ hmq; + QMSG msg; + ULONG fcf; + +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : Starting\n"); fflush(stdout); +#endif + + iNumOfPMThreadInstances++; + + // Initialize PM, create a message queue. + + hab=WinInitialize(0); + hmq=WinCreateMsgQueue(hab,0); + if (hmq==0) + { +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : Could not create message queue!\n"); + printf(" It might be that the application using SDL is not a PM app!\n"); + fflush(stdout); +#endif + pVideo->hidden->iPMThreadStatus = 2; + } else + { + int rc; + RECTL rectl; + + fcf = ulFCFToUse; // Get from global setting + +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : FSLib_CreateWindow()!\n"); + fflush(stdout); +#endif + + rc = FSLib_CreateWindow(HWND_DESKTOP, 0, &fcf, + "SDL Application", + NULLHANDLE, 0, + &(pVideo->hidden->SrcBufferDesc), + WndProc, + &(pVideo->hidden->hwndClient), + &(pVideo->hidden->hwndFrame)); + +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : FSLib_CreateWindow() rc = %d\n", rc); + fflush(stdout); +#endif + + if (!rc) + { +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : Could not create FSLib window!\n"); + fflush(stdout); +#endif + pVideo->hidden->iPMThreadStatus = 3; + } else + { +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : FSLib_AddUserParm()!\n"); + fflush(stdout); +#endif + + // Store pVideo pointer in window data for client window, so + // it will know the instance to which it belongs to. + FSLib_AddUserParm(pVideo->hidden->hwndClient, pVideo); + + // Now set default image width height and fourcc! +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : SetWindowPos()!\n"); + fflush(stdout); +#endif + + // Set the position and size of the main window, + // and make it visible! + // Calculate frame window size from client window size + rectl.xLeft = 0; + rectl.yBottom = 0; + rectl.xRight = pVideo->hidden->SrcBufferDesc.uiXResolution; // Noninclusive + rectl.yTop = pVideo->hidden->SrcBufferDesc.uiYResolution; // Noninclusive + WinCalcFrameRect(pVideo->hidden->hwndFrame, &rectl, FALSE); + + SetAccessableWindowPos(pVideo->hidden->hwndFrame, + HWND_TOP, + (WinQuerySysValue (HWND_DESKTOP, SV_CXSCREEN) - (rectl.xRight-rectl.xLeft)) / 2, + (WinQuerySysValue (HWND_DESKTOP, SV_CYSCREEN) - (rectl.yTop-rectl.yBottom)) / 2, + (rectl.xRight-rectl.xLeft), + (rectl.yTop-rectl.yBottom), + SWP_SIZE | SWP_ACTIVATE | SWP_SHOW | SWP_MOVE); + +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : Entering message loop\n"); fflush(stdout); +#endif + pVideo->hidden->iPMThreadStatus = 1; + + while (WinGetMsg(hab, (PQMSG)&msg, 0, 0, 0)) + WinDispatchMsg(hab, (PQMSG) &msg); + +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : Leaving message loop\n"); fflush(stdout); +#endif + // We should release the captured the mouse! + if (bMouseCaptured) + { + WinSetCapture(HWND_DESKTOP, NULLHANDLE); + bMouseCaptured = 0; + } + // Destroy our window + WinDestroyWindow(pVideo->hidden->hwndFrame); pVideo->hidden->hwndFrame=NULL; + // Show pointer to make sure it will not be left hidden. + WinSetPointer(HWND_DESKTOP, WinQuerySysPointer(HWND_DESKTOP, SPTR_ARROW, FALSE)); + WinShowPointer(HWND_DESKTOP, TRUE); + } + // Uninitialize PM + WinDestroyMsgQueue(hmq); + // All done! + pVideo->hidden->iPMThreadStatus = 0; + } + WinTerminate(hab); + /* Commented out, should not be needed anymore, because we send it + from WM_CLOSE. + // Notify SDL that it should really die now... + SDL_PrivateQuit(); SDL_PrivateQuit(); SDL_PrivateQuit(); //... :)) + */ +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : End, status is %d!\n", pVideo->hidden->iPMThreadStatus); fflush(stdout); +#endif + + iNumOfPMThreadInstances--; + + // HACK to prevent zombie and hanging SDL applications, which does not take + // care of closing the window for some reason: + // There are some apps which do not process messages, so do a lot of things + // without noticing that the application should close. To close these, + // I've thought about the following: + // If the window is closed (the execution came here), I wait a bit to + // give time to the app to finish its execution. If it does not, I kill it + // using DosExit(). Brute force, but should work. + if (pVideo->hidden->iPMThreadStatus==0) + { + DosSleep(5000); // Wait 5 secs + // If a new PM thread has been spawned (reinitializing video mode), then all right. + // Otherwise, we have a problem, the app doesn't want to stop. Kill! + if (iNumOfPMThreadInstances==0) + { +#ifdef DEBUG_BUILD + printf("[PMThreadFunc] : It seems that the application haven't terminated itself\n"); fflush(stdout); + printf("[PMThreadFunc] : in the last 5 seconds, so we go berserk.\n"); fflush(stdout); + printf("[PMThreadFunc] : Brute force mode. :) Killing process! Dieeeee...\n"); fflush(stdout); +#endif + DosExit(EXIT_PROCESS, -1); + } + } + _endthread(); +} + +struct WMcursor +{ + HBITMAP hbm; + HPOINTER hptr; + char *pchData; +}; + +/* Free a window manager cursor */ +void os2fslib_FreeWMCursor(_THIS, WMcursor *cursor) +{ + if (cursor) + { + GpiDeleteBitmap(cursor->hbm); + WinDestroyPointer(cursor->hptr); + free(cursor->pchData); + free(cursor); + } +} + +/* Local functions to convert the SDL cursor mask into OS/2 format */ +static void memnot(Uint8 *dst, Uint8 *src, int len) +{ + while ( len-- > 0 ) + *dst++ = ~*src++; +} +static void memxor(Uint8 *dst, Uint8 *src1, Uint8 *src2, int len) +{ + while ( len-- > 0 ) + *dst++ = (*src1++)^(*src2++); +} + +/* Create a black/white window manager cursor */ +WMcursor *os2fslib_CreateWMCursor_Win(_THIS, Uint8 *data, Uint8 *mask, + int w, int h, int hot_x, int hot_y) +{ + HPOINTER hptr; + HBITMAP hbm; + BITMAPINFOHEADER bmih; + BMPINFO bmi; + HPS hps; + char *pchTemp; + char *xptr, *aptr; + int maxx, maxy; + int i, run, pad; + WMcursor *pResult; + + maxx = WinQuerySysValue(HWND_DESKTOP, SV_CXPOINTER); + maxy = WinQuerySysValue(HWND_DESKTOP, SV_CYPOINTER); + + // Check for max size! + if ((w>maxx) || (h>maxy)) + return (WMcursor *) NULL; + + pResult = (WMcursor *) malloc(sizeof(WMcursor)); + if (!pResult) return (WMcursor *) NULL; + + pchTemp = (char *) malloc((maxx + 7)/8 * maxy*2); + if (!pchTemp) + { + free(pResult); + return (WMcursor *) NULL; + } + + memset(pchTemp, 0, (maxx + 7)/8 * maxy*2); + + hps = WinGetPS(_this->hidden->hwndClient); + + bmi.cbFix = sizeof(BITMAPINFOHEADER); + bmi.cx = maxx; + bmi.cy = 2*maxy; + bmi.cPlanes = 1; + bmi.cBitCount = 1; + bmi.argbColor[0].bBlue = 0x00; + bmi.argbColor[0].bGreen = 0x00; + bmi.argbColor[0].bRed = 0x00; + bmi.argbColor[1].bBlue = 0x00; + bmi.argbColor[1].bGreen = 0x00; + bmi.argbColor[1].bRed = 0xff; + + memset(&bmih, 0, sizeof(BITMAPINFOHEADER)); + bmih.cbFix = sizeof(BITMAPINFOHEADER); + bmih.cx = maxx; + bmih.cy = 2*maxy; + bmih.cPlanes = 1; + bmih.cBitCount = 1; + + run = (w+7)/8; + pad = (maxx+7)/8 - run; + + for (i=0; i<h; i++) + { + xptr = pchTemp + (maxx+7)/8 * (maxy-1-i); + aptr = pchTemp + (maxx+7)/8 * (maxy+maxy-1-i); + memxor(xptr, data, mask, run); + xptr += run; + data += run; + memnot(aptr, mask, run); + mask += run; + aptr += run; + memset(xptr, 0, pad); + xptr += pad; + memset(aptr, ~0, pad); + aptr += pad; + } + pad += run; + for (i=h ; i<maxy; i++ ) + { + xptr = pchTemp + (maxx+7)/8 * (maxy-1-i); + aptr = pchTemp + (maxx+7)/8 * (maxy+maxy-1-i); + + memset(xptr, 0, (maxx+7)/8); + xptr += (maxx+7)/8; + memset(aptr, ~0, (maxx+7)/8); + aptr += (maxx+7)/8; + } + + hbm = GpiCreateBitmap(hps, (PBITMAPINFOHEADER2)&bmih, CBM_INIT, (PBYTE) pchTemp, (PBITMAPINFO2)&bmi); + hptr = WinCreatePointer(HWND_DESKTOP, hbm, TRUE, hot_x, maxy - hot_y - 1); + +#ifdef DEBUG_BUILD + printf("HotSpot : %d ; %d\n", hot_x, hot_y); + printf("HPS returned : %x\n", (ULONG)hps); + printf("HBITMAP returned : %x\n", (ULONG)hbm); + printf("HPOINTER returned: %x\n", (ULONG)hptr); +#endif + + WinReleasePS(hps); + +#ifdef DEBUG_BUILD + printf("[CreateWMCursor] : ptr = %p\n", hptr); fflush(stdout); +#endif + + pResult->hptr = hptr; + pResult->hbm = hbm; + pResult->pchData = pchTemp; + +#ifdef DEBUG_BUILD + printf("[CreateWMCursor] : ptr = %p return.\n", hptr); fflush(stdout); +#endif + + return (WMcursor *) pResult; +} + +WMcursor *os2fslib_CreateWMCursor_FS(_THIS, Uint8 *data, Uint8 *mask, + int w, int h, int hot_x, int hot_y) +{ +#ifdef DEBUG_BUILD + printf("[CreateWMCursor_FS] : returning pointer NULL\n"); fflush(stdout); +#endif + + // In FS mode we'll use software cursor + return (WMcursor *) NULL; +} + +/* Show the specified cursor, or hide if cursor is NULL */ +int os2fslib_ShowWMCursor(_THIS, WMcursor *cursor) +{ +#ifdef DEBUG_BUILD + printf("[ShowWMCursor] : ptr = %p\n", cursor); fflush(stdout); +#endif + + if (cursor) + { + WinSetPointer(HWND_DESKTOP, cursor->hptr); + hptrGlobalPointer = cursor->hptr; + _this->hidden->iMouseVisible = 1; + } + else + { + WinSetPointer(HWND_DESKTOP, FALSE); + hptrGlobalPointer = NULL; + _this->hidden->iMouseVisible = 0; + } + +#ifdef DEBUG_BUILD + printf("[ShowWMCursor] : ptr = %p, DONE\n", cursor); fflush(stdout); +#endif + + return 1; +} + +/* Warp the window manager cursor to (x,y) + If NULL, a mouse motion event is posted internally. + */ +void os2fslib_WarpWMCursor(_THIS, Uint16 x, Uint16 y) +{ + LONG lx, ly; + SWP swpClient; + POINTL ptlPoints; + WinQueryWindowPos(_this->hidden->hwndClient, &swpClient); + ptlPoints.x = swpClient.x; + ptlPoints.y = swpClient.y; + WinMapWindowPoints(_this->hidden->hwndFrame, HWND_DESKTOP, &ptlPoints, 1); + lx = ptlPoints.x + (x*swpClient.cx) / _this->hidden->SrcBufferDesc.uiXResolution; + ly = ptlPoints.y + swpClient.cy - ((y*swpClient.cy) / _this->hidden->SrcBufferDesc.uiYResolution) - 1; + + SDL_PrivateMouseMotion(0, // Buttons not changed + 0, // Absolute position + x, + y); + + WinSetPointerPos(HWND_DESKTOP, lx, ly); + +} + +/* If not NULL, this is called when a mouse motion event occurs */ +void os2fslib_MoveWMCursor(_THIS, int x, int y) +{ + /* + SDL_Rect rect; + +#ifdef DEBUG_BUILD + printf("[MoveWMCursor] : at %d ; %d\n", x, y); fflush(stdout); +#endif + + rect.x = x; + rect.y = y; + rect.w = 32; + rect.h = 32; + os2fslib_UpdateRects(_this, 1, &rect); + // TODO! + */ +} + +/* Determine whether the mouse should be in relative mode or not. + This function is called when the input grab state or cursor + visibility state changes. + If the cursor is not visible, and the input is grabbed, the + driver can place the mouse in relative mode, which may result + in higher accuracy sampling of the pointer motion. + */ +void os2fslib_CheckMouseMode(_THIS) +{ +} + +static void os2fslib_PumpEvents(_THIS) +{ + // Notify SDL that if window has been resized! + if ( + (_this->hidden->pSDLSurface) && + (_this->hidden->pSDLSurface->flags & SDL_RESIZABLE) && + ( + (_this->hidden->SrcBufferDesc.uiXResolution!=iWindowSizeX) || + (_this->hidden->SrcBufferDesc.uiYResolution!=iWindowSizeY) + ) && + (iWindowSizeX>0) && + (iWindowSizeY>0) + ) + { + static time_t prev_time; + time_t curr_time; + + curr_time = time(NULL); + if ((difftime(curr_time, prev_time)>=0.25) || + (bWindowResized)) + { + // Make sure we won't flood the event queue with resize events, + // only send them at 250 msecs! + // (or when the window is resized) +#ifdef DEBUG_BUILD + printf("[os2fslib_PumpEvents] : Calling PrivateResize (%d %d).\n", + iWindowSizeX, iWindowSizeY); + fflush(stdout); +#endif + // Tell SDL the new size + SDL_PrivateResize(iWindowSizeX, iWindowSizeY); + prev_time = curr_time; + bWindowResized = 0; + } + } +} + +/* We don't actually allow hardware surfaces other than the main one */ +static int os2fslib_AllocHWSurface(_THIS, SDL_Surface *surface) +{ + return(-1); +} +static void os2fslib_FreeHWSurface(_THIS, SDL_Surface *surface) +{ + return; +} + +/* We need to wait for vertical retrace on page flipped displays */ +static int os2fslib_LockHWSurface(_THIS, SDL_Surface *surface) +{ + return(0); +} + +static void os2fslib_UnlockHWSurface(_THIS, SDL_Surface *surface) +{ + return; +} + +static int os2fslib_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) +{ + printf("[os2fslib_SetColors] : TODO!\n"); fflush(stdout); + // TODO: Implement paletted modes + return(1); +} + +static void os2fslib_DestroyIcon(HWND hwndFrame) +{ + if (hptrCurrentIcon) + { + WinDestroyPointer(hptrCurrentIcon); + hptrCurrentIcon = NULL; + + WinSendMsg(hwndFrame, + WM_SETICON, + NULL, + NULL); + } + +} + +/* Set the window icon image */ +void os2fslib_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask) +{ + HWND hwndFrame; + SDL_Surface *icon_rgb; + HPOINTER hptrIcon; + HBITMAP hbm; + BITMAPINFOHEADER bmih; + BMPINFO bmi; + HPS hps; + char *pchTemp; + char *pptr, *mptr, *dptr, *dmptr; + int maxx, maxy, w, h, x, y; + SDL_Rect bounds; + +#ifdef DEBUG_BUILD + printf("[os2fslib_SetIcon] : Creating and setting new icon\n"); fflush(stdout); +#endif + + hwndFrame = WinQueryWindow(_this->hidden->hwndClient, QW_PARENT); + + // Make sure the old icon resource will be free'd! + os2fslib_DestroyIcon(hwndFrame); + + if ((!icon) || (!mask)) + return; + + w = icon->w; + h = icon->h; + + maxx = WinQuerySysValue(HWND_DESKTOP, SV_CXICON); + maxy = WinQuerySysValue(HWND_DESKTOP, SV_CYICON); + + // Check for max size! + if ((w>maxx) || (h>maxy)) + return; + + pchTemp = (char *) malloc(w * h*2 * 4); + if (!pchTemp) + return; + + memset(pchTemp, 0, w * h*2 * 4); + + // Convert surface to RGB, if it's not RGB yet! + icon_rgb = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, + 32, 0, 0, 0, 0); + if ( icon_rgb == NULL ) + { + free(pchTemp); + return; + } + bounds.x = 0; + bounds.y = 0; + bounds.w = icon->w; + bounds.h = icon->h; + if ( SDL_LowerBlit(icon, &bounds, icon_rgb, &bounds) < 0 ) + { + SDL_FreeSurface(icon_rgb); + free(pchTemp); + return; + } + + /* Copy pixels upside-down from RGB surface into BMP, masked with the icon mask */ + + // Pixels + pptr = (char *) (icon_rgb->pixels); + // Mask + mptr = mask; + + for (y=0; y<h; y++) + { + unsigned char uchMaskByte; + + // Destination + dptr = pchTemp + w*4 * (h-y-1); + // Destination mask + dmptr = pchTemp + w*h*4 + w*4 * (h-y-1); + + for (x=0; x<w; x++) + { + if (x%8==0) + { + uchMaskByte = (unsigned char) (*mptr); + mptr++; + } else + uchMaskByte <<= 1; + + if (uchMaskByte & 0x80) + { + // Copy RGB + *dptr++ = *pptr++; + *dptr++ = *pptr++; + *dptr++ = *pptr++; + *dptr++ = *pptr++; + + *dmptr++ = 0; + *dmptr++ = 0; + *dmptr++ = 0; + *dmptr++ = 0; + } else + { + // Set pixels to fully transparent + *dptr++ = 0; pptr++; + *dptr++ = 0; pptr++; + *dptr++ = 0; pptr++; + *dptr++ = 0; pptr++; + + *dmptr++ = 255; + *dmptr++ = 255; + *dmptr++ = 255; + *dmptr++ = 255; + } + } + } + + // There is no more need for the RGB surface + SDL_FreeSurface(icon_rgb); + + hps = WinGetPS(_this->hidden->hwndClient); + + bmi.cbFix = sizeof(BITMAPINFOHEADER); + bmi.cx = w; + bmi.cy = 2*h; + bmi.cPlanes = 1; + bmi.cBitCount = 32; + + memset(&bmih, 0, sizeof(BITMAPINFOHEADER)); + bmih.cbFix = sizeof(BITMAPINFOHEADER); + bmih.cx = w; + bmih.cy = 2*h; + bmih.cPlanes = 1; + bmih.cBitCount = 32; + + hbm = GpiCreateBitmap(hps, (PBITMAPINFOHEADER2)&bmih, CBM_INIT, (PBYTE) pchTemp, (PBITMAPINFO2)&bmi); + hptrIcon = WinCreatePointer(HWND_DESKTOP, hbm, FALSE, 0, 0); + + WinReleasePS(hps); + + // Free pixel array + free(pchTemp); + + // Change icon in frame window + WinSendMsg(hwndFrame, + WM_SETICON, + (MPARAM) hptrIcon, + NULL); + + /* + // Change icon in switchlist + // Seems like it's not needed, the WM_SETICON already does it. + { + PID pidFrame; + HSWITCH hswitchFrame; + SWCNTRL swctl; + + WinQueryWindowProcess(hwndFrame, &pidFrame, NULL); + hswitchFrame = WinQuerySwitchHandle(hwndFrame, pidFrame); + WinQuerySwitchEntry(hswitchFrame, &swctl); + + swctl.hwndIcon = hptrIcon; + + WinChangeSwitchEntry(hswitchFrame, &swctl); + } + */ + + // Store icon handle in global variable + hptrCurrentIcon = hptrIcon; +} + +// ------------------------ REAL FUNCTIONS ----------------- + + +static void os2fslib_SetCursorManagementFunctions(_THIS, int iForWindowedMode) +{ + if (iForWindowedMode) + { + _this->FreeWMCursor = os2fslib_FreeWMCursor; + _this->CreateWMCursor = os2fslib_CreateWMCursor_Win; + _this->ShowWMCursor = os2fslib_ShowWMCursor; + _this->WarpWMCursor = os2fslib_WarpWMCursor; + _this->MoveWMCursor = os2fslib_MoveWMCursor; + _this->CheckMouseMode = NULL;//os2fslib_CheckMouseMode; + } else + { + // We'll have software mouse cursor in FS mode! + _this->FreeWMCursor = os2fslib_FreeWMCursor; + _this->CreateWMCursor = os2fslib_CreateWMCursor_FS; + _this->ShowWMCursor = os2fslib_ShowWMCursor; + _this->WarpWMCursor = os2fslib_WarpWMCursor; + _this->MoveWMCursor = os2fslib_MoveWMCursor; + _this->CheckMouseMode = NULL;//os2fslib_CheckMouseMode; + } +} + +static void os2fslib_InitOSKeymap(_THIS) +{ + int i; + + iShiftIsPressed = 0; + + /* Map the VK and CH keysyms */ + for ( i=0; i<=255; ++i ) + HWScanKeyMap[i] = SDLK_UNKNOWN; + + // First line of keyboard: + HWScanKeyMap[0x1] = SDLK_ESCAPE; + HWScanKeyMap[0x3b] = SDLK_F1; + HWScanKeyMap[0x3c] = SDLK_F2; + HWScanKeyMap[0x3d] = SDLK_F3; + HWScanKeyMap[0x3e] = SDLK_F4; + HWScanKeyMap[0x3f] = SDLK_F5; + HWScanKeyMap[0x40] = SDLK_F6; + HWScanKeyMap[0x41] = SDLK_F7; + HWScanKeyMap[0x42] = SDLK_F8; + HWScanKeyMap[0x43] = SDLK_F9; + HWScanKeyMap[0x44] = SDLK_F10; + HWScanKeyMap[0x57] = SDLK_F11; + HWScanKeyMap[0x58] = SDLK_F12; + HWScanKeyMap[0x5d] = SDLK_PRINT; + HWScanKeyMap[0x46] = SDLK_SCROLLOCK; + HWScanKeyMap[0x5f] = SDLK_PAUSE; + + // Second line of keyboard: + HWScanKeyMap[0x29] = SDLK_BACKQUOTE; + HWScanKeyMap[0x2] = SDLK_1; + HWScanKeyMap[0x3] = SDLK_2; + HWScanKeyMap[0x4] = SDLK_3; + HWScanKeyMap[0x5] = SDLK_4; + HWScanKeyMap[0x6] = SDLK_5; + HWScanKeyMap[0x7] = SDLK_6; + HWScanKeyMap[0x8] = SDLK_7; + HWScanKeyMap[0x9] = SDLK_8; + HWScanKeyMap[0xa] = SDLK_9; + HWScanKeyMap[0xb] = SDLK_0; + HWScanKeyMap[0xc] = SDLK_MINUS; + HWScanKeyMap[0xd] = SDLK_EQUALS; + HWScanKeyMap[0xe] = SDLK_BACKSPACE; + HWScanKeyMap[0x68] = SDLK_INSERT; + HWScanKeyMap[0x60] = SDLK_HOME; + HWScanKeyMap[0x62] = SDLK_PAGEUP; + HWScanKeyMap[0x45] = SDLK_NUMLOCK; + HWScanKeyMap[0x5c] = SDLK_KP_DIVIDE; + HWScanKeyMap[0x37] = SDLK_KP_MULTIPLY; + HWScanKeyMap[0x4a] = SDLK_KP_MINUS; + + // Third line of keyboard: + HWScanKeyMap[0xf] = SDLK_TAB; + HWScanKeyMap[0x10] = SDLK_q; + HWScanKeyMap[0x11] = SDLK_w; + HWScanKeyMap[0x12] = SDLK_e; + HWScanKeyMap[0x13] = SDLK_r; + HWScanKeyMap[0x14] = SDLK_t; + HWScanKeyMap[0x15] = SDLK_y; + HWScanKeyMap[0x16] = SDLK_u; + HWScanKeyMap[0x17] = SDLK_i; + HWScanKeyMap[0x18] = SDLK_o; + HWScanKeyMap[0x19] = SDLK_p; + HWScanKeyMap[0x1a] = SDLK_LEFTBRACKET; + HWScanKeyMap[0x1b] = SDLK_RIGHTBRACKET; + HWScanKeyMap[0x1c] = SDLK_RETURN; + HWScanKeyMap[0x69] = SDLK_DELETE; + HWScanKeyMap[0x65] = SDLK_END; + HWScanKeyMap[0x67] = SDLK_PAGEDOWN; + HWScanKeyMap[0x47] = SDLK_KP7; + HWScanKeyMap[0x48] = SDLK_KP8; + HWScanKeyMap[0x49] = SDLK_KP9; + HWScanKeyMap[0x4e] = SDLK_KP_PLUS; + + // Fourth line of keyboard: + HWScanKeyMap[0x3a] = SDLK_CAPSLOCK; + HWScanKeyMap[0x1e] = SDLK_a; + HWScanKeyMap[0x1f] = SDLK_s; + HWScanKeyMap[0x20] = SDLK_d; + HWScanKeyMap[0x21] = SDLK_f; + HWScanKeyMap[0x22] = SDLK_g; + HWScanKeyMap[0x23] = SDLK_h; + HWScanKeyMap[0x24] = SDLK_j; + HWScanKeyMap[0x25] = SDLK_k; + HWScanKeyMap[0x26] = SDLK_l; + HWScanKeyMap[0x27] = SDLK_SEMICOLON; + HWScanKeyMap[0x28] = SDLK_QUOTE; + HWScanKeyMap[0x2b] = SDLK_BACKSLASH; + HWScanKeyMap[0x4b] = SDLK_KP4; + HWScanKeyMap[0x4c] = SDLK_KP5; + HWScanKeyMap[0x4d] = SDLK_KP6; + + // Fifth line of keyboard: + HWScanKeyMap[0x2a] = SDLK_LSHIFT; + HWScanKeyMap[0x56] = SDLK_WORLD_1; // Code 161, letter i' on hungarian keyboard + HWScanKeyMap[0x2c] = SDLK_z; + HWScanKeyMap[0x2d] = SDLK_x; + HWScanKeyMap[0x2e] = SDLK_c; + HWScanKeyMap[0x2f] = SDLK_v; + HWScanKeyMap[0x30] = SDLK_b; + HWScanKeyMap[0x31] = SDLK_n; + HWScanKeyMap[0x32] = SDLK_m; + HWScanKeyMap[0x33] = SDLK_COMMA; + HWScanKeyMap[0x34] = SDLK_PERIOD; + HWScanKeyMap[0x35] = SDLK_SLASH; + HWScanKeyMap[0x36] = SDLK_RSHIFT; + HWScanKeyMap[0x61] = SDLK_UP; + HWScanKeyMap[0x4f] = SDLK_KP1; + HWScanKeyMap[0x50] = SDLK_KP2; + HWScanKeyMap[0x51] = SDLK_KP3; + HWScanKeyMap[0x5a] = SDLK_KP_ENTER; + + // Sixth line of keyboard: + HWScanKeyMap[0x1d] = SDLK_LCTRL; + HWScanKeyMap[0x7e] = SDLK_LSUPER; // Windows key + HWScanKeyMap[0x38] = SDLK_LALT; + HWScanKeyMap[0x39] = SDLK_SPACE; + HWScanKeyMap[0x5e] = SDLK_RALT;// Actually, altgr on my keyboard... + HWScanKeyMap[0x7f] = SDLK_RSUPER; + HWScanKeyMap[0x7c] = SDLK_MENU; + HWScanKeyMap[0x5b] = SDLK_RCTRL; + HWScanKeyMap[0x63] = SDLK_LEFT; + HWScanKeyMap[0x66] = SDLK_DOWN; + HWScanKeyMap[0x64] = SDLK_RIGHT; + HWScanKeyMap[0x52] = SDLK_KP0; + HWScanKeyMap[0x53] = SDLK_KP_PERIOD; +} + + +/* Iconify the window. + This function returns 1 if there is a window manager and the + window was actually iconified, it returns 0 otherwise. + */ +int os2fslib_IconifyWindow(_THIS) +{ + HAB hab; + HMQ hmq; + ERRORID hmqerror; + + // If there is no more window, nothing we can do! + if (_this->hidden->iPMThreadStatus!=1) return 0; + + // Cannot do anything in fullscreen mode! + if (FSLib_QueryFSMode(_this->hidden->hwndClient)) + return 0; + + // Make sure this thread is prepared for using the Presentation Manager! + hab = WinInitialize(0); + hmq = WinCreateMsgQueue(hab,0); + // Remember if there was an error at WinCreateMsgQueue(), because we don't + // want to destroy somebody else's queue later. :) + hmqerror = WinGetLastError(hab); + + WinSetWindowPos(_this->hidden->hwndFrame, HWND_TOP, + 0, 0, 0, 0, SWP_MINIMIZE); + + // Now destroy the message queue, if we've created it! + if (ERRORIDERROR(hmqerror)==0) + WinDestroyMsgQueue(hmq); + + return 1; +} + +static SDL_GrabMode os2fslib_GrabInput(_THIS, SDL_GrabMode mode) +{ + HAB hab; + HMQ hmq; + ERRORID hmqerror; + + + // If there is no more window, nothing we can do! + if (_this->hidden->iPMThreadStatus!=1) + return SDL_GRAB_OFF; + + // Make sure this thread is prepared for using the Presentation Manager! + hab = WinInitialize(0); + hmq = WinCreateMsgQueue(hab,0); + // Remember if there was an error at WinCreateMsgQueue(), because we don't + // want to destroy somebody else's queue later. :) + hmqerror = WinGetLastError(hab); + + + if (mode == SDL_GRAB_OFF) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_GrabInput] : Releasing mouse\n"); fflush(stdout); +#endif + + // Release the mouse + bMouseCapturable = 0; + if (bMouseCaptured) + { + WinSetCapture(HWND_DESKTOP, NULLHANDLE); + bMouseCaptured = 0; + } + } else + { +#ifdef DEBUG_BUILD + printf("[os2fslib_GrabInput] : Capturing mouse\n"); fflush(stdout); +#endif + + // Capture the mouse + bMouseCapturable = 1; + if (WinQueryFocus(HWND_DESKTOP) == _this->hidden->hwndClient) + { + WinSetCapture(HWND_DESKTOP, _this->hidden->hwndClient); + bMouseCaptured = 1; + { + SWP swpClient; + POINTL ptl; + // Center the mouse to the middle of the window! + WinQueryWindowPos(_this->hidden->hwndClient, &swpClient); + ptl.x = 0; ptl.y = 0; + WinMapWindowPoints(_this->hidden->hwndClient, HWND_DESKTOP, &ptl, 1); + _this->hidden->iSkipWMMOUSEMOVE++; /* Don't take next WM_MOUSEMOVE into account! */ + WinSetPointerPos(HWND_DESKTOP, + ptl.x + swpClient.cx/2, + ptl.y + swpClient.cy/2); + } + } + } + + // Now destroy the message queue, if we've created it! + if (ERRORIDERROR(hmqerror)==0) + WinDestroyMsgQueue(hmq); + + return mode; +} + +/* Set the title and icon text */ +static void os2fslib_SetCaption(_THIS, const char *title, const char *icon) +{ + HAB hab; + HMQ hmq; + ERRORID hmqerror; + + // If there is no more window, nothing we can do! + if (_this->hidden->iPMThreadStatus!=1) return; + + // Make sure this thread is prepared for using the Presentation Manager! + hab = WinInitialize(0); + hmq = WinCreateMsgQueue(hab,0); + // Remember if there was an error at WinCreateMsgQueue(), because we don't + // want to destroy somebody else's queue later. :) + hmqerror = WinGetLastError(hab); + + WinSetWindowText(_this->hidden->hwndFrame, (char *) title); + + // Now destroy the message queue, if we've created it! + if (ERRORIDERROR(hmqerror)==0) + WinDestroyMsgQueue(hmq); +} + +static int os2fslib_ToggleFullScreen(_THIS, int on) +{ +#ifdef DEBUG_BUILD + printf("[os2fslib_ToggleFullScreen] : %d\n", on); fflush(stdout); +#endif + // If there is no more window, nothing we can do! + if (_this->hidden->iPMThreadStatus!=1) return 0; + + FSLib_ToggleFSMode(_this->hidden->hwndClient, on); + /* Cursor manager functions to Windowed/FS mode*/ + os2fslib_SetCursorManagementFunctions(_this, !on); + return 1; +} + +/* This is called after the video mode has been set, to get the + initial mouse state. It should queue events as necessary to + properly represent the current mouse focus and position. + */ +static void os2fslib_UpdateMouse(_THIS) +{ + POINTL ptl; + HAB hab; + HMQ hmq; + ERRORID hmqerror; + SWP swpClient; + + // If there is no more window, nothing we can do! + if (_this->hidden->iPMThreadStatus!=1) return; + + + // Make sure this thread is prepared for using the Presentation Manager! + hab = WinInitialize(0); + hmq = WinCreateMsgQueue(hab,0); + // Remember if there was an error at WinCreateMsgQueue(), because we don't + // want to destroy somebody else's queue later. :) + hmqerror = WinGetLastError(hab); + + + + if (_this->hidden->fInFocus) + { + // If our app is in focus + SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); + SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); + SDL_PrivateAppActive(1, SDL_APPACTIVE); + WinQueryPointerPos(HWND_DESKTOP, &ptl); + WinMapWindowPoints(HWND_DESKTOP, _this->hidden->hwndClient, &ptl, 1); + WinQueryWindowPos(_this->hidden->hwndClient, &swpClient); + // Convert OS/2 mouse position to SDL position, and also scale it! + ptl.x = ptl.x * _this->hidden->SrcBufferDesc.uiXResolution / swpClient.cx; + ptl.y = ptl.y * _this->hidden->SrcBufferDesc.uiYResolution / swpClient.cy; + ptl.y = _this->hidden->SrcBufferDesc.uiYResolution - ptl.y - 1; + SDL_PrivateMouseMotion(0, 0, (Sint16) (ptl.x), (Sint16) (ptl.y)); + } else + { + // If we're not in focus + SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); + SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS); + SDL_PrivateAppActive(0, SDL_APPACTIVE); + SDL_PrivateMouseMotion(0, 0, (Sint16) -1, (Sint16) -1); + } + + // Now destroy the message queue, if we've created it! + if (ERRORIDERROR(hmqerror)==0) + WinDestroyMsgQueue(hmq); + +} + +/* This pointer should exist in the native video subsystem and should + point to an appropriate update function for the current video mode + */ +static void os2fslib_UpdateRects(_THIS, int numrects, SDL_Rect *rects) +{ + // If there is no more window, nothing we can do! + if (_this->hidden->iPMThreadStatus!=1) return; + +#ifdef BITBLT_IN_WINMESSAGEPROC + WinSendMsg(_this->hidden->hwndClient, + WM_UPDATERECTSREQUEST, + (MPARAM) numrects, + (MPARAM) rects); +#else + if (DosRequestMutexSem(_this->hidden->hmtxUseSrcBuffer, SEM_INDEFINITE_WAIT)==NO_ERROR) + { + int i; + + if (_this->hidden->pSDLSurface) + { +#ifndef RESIZE_EVEN_IF_RESIZABLE + SWP swp; + // But only blit if the window is not resizable, or if + // the window is resizable and the source buffer size is the + // same as the destination buffer size! + WinQueryWindowPos(_this->hidden->hwndClient, &swp); + if ((_this->hidden->pSDLSurface) && + (_this->hidden->pSDLSurface->flags & SDL_RESIZABLE) && + ((swp.cx != _this->hidden->SrcBufferDesc.uiXResolution) || + (swp.cy != _this->hidden->SrcBufferDesc.uiYResolution) + ) && + (!FSLib_QueryFSMode(_this->hidden->hwndClient)) + ) + { + // Resizable surface and in resizing! + // So, don't blit now! +#ifdef DEBUG_BUILD + printf("[UpdateRects] : Skipping blit while resizing!\n"); fflush(stdout); +#endif + } else +#endif + { + /* + // Blit the whole window + FSLIB_BITBLT(_this->hidden->hwndClient, _this->hidden->pchSrcBuffer, + 0, 0, + _this->hidden->SrcBufferDesc.uiXResolution, + _this->hidden->SrcBufferDesc.uiYResolution); + */ +#ifdef DEBUG_BUILD + printf("[os2fslib_UpdateRects] : Blitting!\n"); fflush(stdout); +#endif + + // Blit the changed areas + for (i=0; i<numrects; i++) + FSLIB_BITBLT(_this->hidden->hwndClient, _this->hidden->pchSrcBuffer, + rects[i].y, rects[i].x, rects[i].w, rects[i].h); + } + } +#ifdef DEBUG_BUILD + else + printf("[os2fslib_UpdateRects] : No public surface!\n"); fflush(stdout); +#endif + DosReleaseMutexSem(_this->hidden->hmtxUseSrcBuffer); + } +#ifdef DEBUG_BUILD + else + printf("[os2fslib_UpdateRects] : Error in mutex!\n"); fflush(stdout); +#endif +#endif +} + + +/* Reverse the effects VideoInit() -- called if VideoInit() fails + or if the application is shutting down the video subsystem. + */ +static void os2fslib_VideoQuit(_THIS) +{ +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoQuit]\n"); fflush(stdout); +#endif + // Close PM stuff if running! + if (_this->hidden->iPMThreadStatus == 1) + { + int iTimeout; + WinPostMsg(_this->hidden->hwndFrame, WM_QUIT, (MPARAM) 0, (MPARAM) 0); + // HACK: We had this line before: + //DosWaitThread((TID *) &(_this->hidden->tidPMThread), DCWW_WAIT); + // We don't use it, because the PMThread will never stop, or if it stops, + // it will kill the whole process as a emergency fallback. + // So, we only check for the iPMThreadStatus stuff! +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoQuit] : Waiting for PM thread to die\n"); fflush(stdout); +#endif + + iTimeout=0; + while ((_this->hidden->iPMThreadStatus == 1) && (iTimeout<100)) + { + iTimeout++; + DosSleep(64); + } + +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoQuit] : End of wait.\n"); fflush(stdout); +#endif + + if (_this->hidden->iPMThreadStatus == 1) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoQuit] : Killing PM thread!\n"); fflush(stdout); +#endif + + _this->hidden->iPMThreadStatus = 0; + DosKillThread(_this->hidden->tidPMThread); + + if (_this->hidden->hwndFrame) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoQuit] : Destroying PM window!\n"); fflush(stdout); +#endif + + WinDestroyWindow(_this->hidden->hwndFrame); _this->hidden->hwndFrame=NULL; + } + } + + } + + // Free result of an old ListModes() call, because there is + // no FreeListModes() call in SDL! + if (_this->hidden->pListModesResult) + { + free(_this->hidden->pListModesResult); _this->hidden->pListModesResult = NULL; + } + + // Free list of available fullscreen modes + if (_this->hidden->pAvailableFSLibVideoModes) + { + FSLib_FreeVideoModeList(_this->hidden->pAvailableFSLibVideoModes); + _this->hidden->pAvailableFSLibVideoModes = NULL; + } + + // Free application icon if we had one + if (hptrCurrentIcon) + { + WinDestroyPointer(hptrCurrentIcon); + hptrCurrentIcon = NULL; + } +} + +/* Set the requested video mode, returning a surface which will be + set to the SDL_VideoSurface. The width and height will already + be verified by ListModes(), and the video subsystem is free to + set the mode to a supported bit depth different from the one + specified -- the desired bpp will be emulated with a shadow + surface if necessary. If a new mode is returned, this function + should take care of cleaning up the current mode. + */ +static SDL_Surface *os2fslib_SetVideoMode(_THIS, SDL_Surface *current, + int width, int height, int bpp, Uint32 flags) +{ + static int bFirstCall = 1; + FSLib_VideoMode_p pModeInfo, pModeInfoFound; + FSLib_VideoMode TempModeInfo; + HAB hab; + HMQ hmq; + ERRORID hmqerror; + RECTL rectl; + SDL_Surface *pResult; + + // If there is no more window, nothing we can do! + if (_this->hidden->iPMThreadStatus!=1) return NULL; + +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Request for %dx%d @ %dBPP, flags=0x%x\n", width, height, bpp, flags); fflush(stdout); +#endif + + // We don't support palette modes! + if (bpp==8) bpp=32; + + // Also, we don't support resizable modes in fullscreen mode. + if (flags & SDL_RESIZABLE) + flags &= ~SDL_FULLSCREEN; + + // No double buffered mode + if (flags & SDL_DOUBLEBUF) + flags &= ~SDL_DOUBLEBUF; + + // And, we don't support HWSURFACE yet. + if (flags & SDL_HWSURFACE) + { + flags &= ~SDL_HWSURFACE; + flags |= SDL_SWSURFACE; + } + +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Changed request to %dx%d @ %dBPP, flags=0x%x\n", width, height, bpp, flags); fflush(stdout); +#endif + + // First check if there is such a video mode they want! + pModeInfoFound = NULL; + + // For fullscreen mode we don't support every resolution! + // So, go through the video modes, and check for such a resolution! + pModeInfoFound = NULL; + pModeInfo = _this->hidden->pAvailableFSLibVideoModes; + + while (pModeInfo) + { + // Check all available fullscreen modes for this resolution + if ((pModeInfo->uiXResolution == width) && + (pModeInfo->uiYResolution == height) && + (pModeInfo->uiBPP!=8)) // palettized modes not yet supported + { + // If good resolution, try to find the exact BPP, or at least + // something similar... + if (!pModeInfoFound) + pModeInfoFound = pModeInfo; + else + if ((pModeInfoFound->uiBPP!=bpp) && + (pModeInfoFound->uiBPP<pModeInfo->uiBPP)) + pModeInfoFound = pModeInfo; + } + pModeInfo = pModeInfo->pNext; + } + + // If we did not find a good fullscreen mode, then try a similar + if (!pModeInfoFound) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Requested video mode not found, looking for a similar one!\n"); fflush(stdout); +#endif + // Go through the video modes again, and find a similar resolution! + pModeInfo = _this->hidden->pAvailableFSLibVideoModes; + while (pModeInfo) + { + // Check all available fullscreen modes for this resolution + if ((pModeInfo->uiXResolution >= width) && + (pModeInfo->uiYResolution >= height) && + (pModeInfo->uiBPP == bpp)) + { + if (!pModeInfoFound) + pModeInfoFound = pModeInfo; + else + if (((pModeInfoFound->uiXResolution-width)*(pModeInfoFound->uiYResolution-height))> + ((pModeInfo->uiXResolution-width)*(pModeInfo->uiYResolution-height))) + { + // Found a mode which is closer than the current one + pModeInfoFound = pModeInfo; + } + } + pModeInfo = pModeInfo->pNext; + } + } + + // If we did not find a good fullscreen mode, then return NULL + if (!pModeInfoFound) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Requested video mode not found!\n"); fflush(stdout); +#endif + return NULL; + } + +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Found mode!\n"); fflush(stdout); +#endif + + // We'll possibly adjust the structure, so copy out the values + // into TempModeInfo! + memcpy(&TempModeInfo, pModeInfoFound, sizeof(TempModeInfo)); + pModeInfoFound = &TempModeInfo; + + if (flags & SDL_RESIZABLE) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Requested mode is resizable, changing width/height\n"); fflush(stdout); +#endif + // Change width and height to requested one! + TempModeInfo.uiXResolution = width; + TempModeInfo.uiYResolution = height; + TempModeInfo.uiScanLineSize = width * ((TempModeInfo.uiBPP+7)/8); + } + + // We can try create new surface! + + // Make sure this thread is prepared for using the Presentation Manager! + hab = WinInitialize(0); + hmq = WinCreateMsgQueue(hab,0); + // Remember if there was an error at WinCreateMsgQueue(), because we don't + // want to destroy somebody else's queue later. :) + hmqerror = WinGetLastError(hab); + + + + if (DosRequestMutexSem(_this->hidden->hmtxUseSrcBuffer, SEM_INDEFINITE_WAIT)==NO_ERROR) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Creating new SW surface\n"); fflush(stdout); +#endif + + // Create new software surface! + pResult = SDL_CreateRGBSurface(SDL_SWSURFACE, + pModeInfoFound->uiXResolution, + pModeInfoFound->uiYResolution, + pModeInfoFound->uiBPP, + ((unsigned int) pModeInfoFound->PixelFormat.ucRedMask) << pModeInfoFound->PixelFormat.ucRedPosition, + ((unsigned int) pModeInfoFound->PixelFormat.ucGreenMask) << pModeInfoFound->PixelFormat.ucGreenPosition, + ((unsigned int) pModeInfoFound->PixelFormat.ucBlueMask) << pModeInfoFound->PixelFormat.ucBluePosition, + ((unsigned int) pModeInfoFound->PixelFormat.ucAlphaMask) << pModeInfoFound->PixelFormat.ucAlphaPosition); + + if (pResult == NULL) + { + DosReleaseMutexSem(_this->hidden->hmtxUseSrcBuffer); + SDL_OutOfMemory(); + return NULL; + } + +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Adjusting pixel format\n"); fflush(stdout); +#endif + + // Adjust pixel format mask! + pResult->format->Rmask = ((unsigned int) pModeInfoFound->PixelFormat.ucRedMask) << pModeInfoFound->PixelFormat.ucRedPosition; + pResult->format->Rshift = pModeInfoFound->PixelFormat.ucRedPosition; + pResult->format->Rloss = pModeInfoFound->PixelFormat.ucRedAdjust; + pResult->format->Gmask = ((unsigned int) pModeInfoFound->PixelFormat.ucGreenMask) << pModeInfoFound->PixelFormat.ucGreenPosition; + pResult->format->Gshift = pModeInfoFound->PixelFormat.ucGreenPosition; + pResult->format->Gloss = pModeInfoFound->PixelFormat.ucGreenAdjust; + pResult->format->Bmask = ((unsigned int) pModeInfoFound->PixelFormat.ucBlueMask) << pModeInfoFound->PixelFormat.ucBluePosition; + pResult->format->Bshift = pModeInfoFound->PixelFormat.ucBluePosition; + pResult->format->Bloss = pModeInfoFound->PixelFormat.ucBlueAdjust; + pResult->format->Amask = ((unsigned int) pModeInfoFound->PixelFormat.ucAlphaMask) << pModeInfoFound->PixelFormat.ucAlphaPosition; + pResult->format->Ashift = pModeInfoFound->PixelFormat.ucAlphaPosition; + pResult->format->Aloss = pModeInfoFound->PixelFormat.ucAlphaAdjust; + +#ifdef REPORT_EMPTY_ALPHA_MASK + pResult->format->Amask = + pResult->format->Ashift = + pResult->format->Aloss = 0; +#endif + + // Adjust surface flags + pResult->flags |= (flags & SDL_FULLSCREEN); + pResult->flags |= (flags & SDL_RESIZABLE); + + // It might be that the software surface pitch is not the same as + // the pitch we have, so adjust that! + pModeInfoFound->uiScanLineSize = pResult->pitch; + + // Store new source buffer parameters! + memcpy(&(_this->hidden->SrcBufferDesc), pModeInfoFound, sizeof(*pModeInfoFound)); + _this->hidden->pchSrcBuffer = pResult->pixels; + +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Telling FSLib the stuffs\n"); fflush(stdout); +#endif + + // Tell the FSLib window the new source image format + FSLib_SetSrcBufferDesc(_this->hidden->hwndClient, &(_this->hidden->SrcBufferDesc)); + + if ( + ((flags & SDL_RESIZABLE)==0) || + (bFirstCall) + ) + { + bFirstCall = 0; +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Modifying window size\n"); fflush(stdout); +#endif + + // Calculate frame window size from client window size + rectl.xLeft = 0; + rectl.yBottom = 0; + rectl.xRight = pModeInfoFound->uiXResolution; // Noninclusive + rectl.yTop = pModeInfoFound->uiYResolution; // Noninclusive + WinCalcFrameRect(_this->hidden->hwndFrame, &rectl, FALSE); + + // Set the new size of the main window + SetAccessableWindowPos(_this->hidden->hwndFrame, + HWND_TOP, + 0, 0, + (rectl.xRight-rectl.xLeft), + (rectl.yTop-rectl.yBottom), + SWP_SIZE | SWP_ACTIVATE | SWP_SHOW); + } + + // Set fullscreen mode flag, and switch to fullscreen if needed! + if (flags & SDL_FULLSCREEN) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Also trying to switch to fullscreen\n"); + fflush(stdout); +#endif + FSLib_ToggleFSMode(_this->hidden->hwndClient, 1); + /* Cursor manager functions to FS mode*/ + os2fslib_SetCursorManagementFunctions(_this, 0); + } else + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Also trying to switch to desktop mode\n"); + fflush(stdout); +#endif + FSLib_ToggleFSMode(_this->hidden->hwndClient, 0); + /* Cursor manager functions to Windowed mode*/ + os2fslib_SetCursorManagementFunctions(_this, 1); + } + + _this->hidden->pSDLSurface = pResult; + + DosReleaseMutexSem(_this->hidden->hmtxUseSrcBuffer); + } else + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Could not get hmtxUseSrcBuffer!\n"); fflush(stdout); +#endif + + pResult = NULL; + } + + // As we have the new surface, we don't need the current one anymore! + if ((pResult) && (current)) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Freeing old surface\n"); fflush(stdout); +#endif + SDL_FreeSurface(current); + } + + // Redraw window + WinInvalidateRegion(_this->hidden->hwndClient, NULL, TRUE); + + // Now destroy the message queue, if we've created it! + if (ERRORIDERROR(hmqerror)==0) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Destroying message queue\n"); fflush(stdout); +#endif + WinDestroyMsgQueue(hmq); + } + +#ifdef DEBUG_BUILD + printf("[os2fslib_SetVideoMode] : Done\n"); fflush(stdout); +#endif + + /* We're done */ + + // Return with the new surface! + return pResult; +} + +/* List the available video modes for the given pixel format, sorted + from largest to smallest. + */ +static SDL_Rect **os2fslib_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) +{ +#ifdef DEBUG_BUILD + printf("[os2fslib_ListModes] : ListModes of %d Bpp\n", format->BitsPerPixel); +#endif + // Destroy result of previous call, if there is any + if (_this->hidden->pListModesResult) + { + free(_this->hidden->pListModesResult); _this->hidden->pListModesResult = NULL; + } + + // For resizable and windowed mode we support every resolution! + if ((flags & SDL_RESIZABLE) && ((flags & SDL_FULLSCREEN) == 0)) + return (SDL_Rect **)-1; + + // Check if they need fullscreen or non-fullscreen video modes! + if ((flags & SDL_FULLSCREEN) == 0) + + { + // For windowed mode we support every resolution! + return (SDL_Rect **)-1; + } else + { + FSLib_VideoMode_p pFSMode; + // For fullscreen mode we don't support every resolution! + // Now create a new list + pFSMode = _this->hidden->pAvailableFSLibVideoModes; + while (pFSMode) + { + if (pFSMode->uiBPP == format->BitsPerPixel) + { + SDL_Rect *pRect = (SDL_Rect *) malloc(sizeof(SDL_Rect)); + if (pRect) + { + // Fill description + pRect->x = 0; + pRect->y = 0; + pRect->w = pFSMode->uiXResolution; + pRect->h = pFSMode->uiYResolution; +#ifdef DEBUG_BUILD +// printf("!!! Seems to be good!\n"); +// printf("F: %dx%d\n", pRect->w, pRect->h); +#endif + // And insert into list of pRects + if (!(_this->hidden->pListModesResult)) + { +#ifdef DEBUG_BUILD +// printf("!!! Inserting to beginning\n"); +#endif + + // We're the first one to be inserted! + _this->hidden->pListModesResult = (SDL_Rect**) malloc(2*sizeof(SDL_Rect*)); + if (_this->hidden->pListModesResult) + { + _this->hidden->pListModesResult[0] = pRect; + _this->hidden->pListModesResult[1] = NULL; + } else + { + free(pRect); + } + } else + { + // We're not the first ones, so find the place where we + // have to insert ourselves + SDL_Rect **pNewList; + int iPlace, iNumOfSlots, i; + +#ifdef DEBUG_BUILD +// printf("!!! Searching where to insert\n"); +#endif + + iPlace = -1; iNumOfSlots = 1; // Count the last NULL too! + for (i=0; _this->hidden->pListModesResult[i]; i++) + { + iNumOfSlots++; + if (iPlace==-1) + { + if ((_this->hidden->pListModesResult[i]->w*_this->hidden->pListModesResult[i]->h)< + (pRect->w*pRect->h)) + { + iPlace = i; + } + } + } + if (iPlace==-1) iPlace = iNumOfSlots-1; + +#ifdef DEBUG_BUILD +// printf("!!! From %d slots, it will be at %d\n", iNumOfSlots, iPlace); +#endif + + pNewList = (SDL_Rect**) realloc(_this->hidden->pListModesResult, (iNumOfSlots+1)*sizeof(SDL_Rect*)); + if (pNewList) + { + for (i=iNumOfSlots;i>iPlace;i--) + pNewList[i] = pNewList[i-1]; + pNewList[iPlace] = pRect; + _this->hidden->pListModesResult = pNewList; + } else + { + free(pRect); + } + } + } + } + pFSMode = pFSMode->pNext; + } + } +#ifdef DEBUG_BUILD +// printf("Returning list\n"); +#endif + return _this->hidden->pListModesResult; +} + +/* Initialize the native video subsystem, filling 'vformat' with the + "best" display pixel format, returning 0 or -1 if there's an error. + */ +static int os2fslib_VideoInit(_THIS, SDL_PixelFormat *vformat) +{ + FSLib_VideoMode_p pDesktopMode; + +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoInit] : Enter\n"); fflush(stdout); +#endif + + // Report the best pixel format. For this, + // we'll use the current desktop format. + pDesktopMode = FSLib_GetDesktopVideoMode(); + if (!pDesktopMode) + { + SDL_SetError("Could not query desktop video mode!"); +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoInit] : Could not query desktop video mode!\n"); +#endif + return -1; + } + + /* Determine the screen depth */ + vformat->BitsPerPixel = pDesktopMode->uiBPP; + vformat->BytesPerPixel = (vformat->BitsPerPixel+7)/8; + + vformat->Rmask = ((unsigned int) pDesktopMode->PixelFormat.ucRedMask) << pDesktopMode->PixelFormat.ucRedPosition; + vformat->Rshift = pDesktopMode->PixelFormat.ucRedPosition; + vformat->Rloss = pDesktopMode->PixelFormat.ucRedAdjust; + vformat->Gmask = ((unsigned int) pDesktopMode->PixelFormat.ucGreenMask) << pDesktopMode->PixelFormat.ucGreenPosition; + vformat->Gshift = pDesktopMode->PixelFormat.ucGreenPosition; + vformat->Gloss = pDesktopMode->PixelFormat.ucGreenAdjust; + vformat->Bmask = ((unsigned int) pDesktopMode->PixelFormat.ucBlueMask) << pDesktopMode->PixelFormat.ucBluePosition; + vformat->Bshift = pDesktopMode->PixelFormat.ucBluePosition; + vformat->Bloss = pDesktopMode->PixelFormat.ucBlueAdjust; + vformat->Amask = ((unsigned int) pDesktopMode->PixelFormat.ucAlphaMask) << pDesktopMode->PixelFormat.ucAlphaPosition; + vformat->Ashift = pDesktopMode->PixelFormat.ucAlphaPosition; + vformat->Aloss = pDesktopMode->PixelFormat.ucAlphaAdjust; + +#ifdef REPORT_EMPTY_ALPHA_MASK + vformat->Amask = + vformat->Ashift = + vformat->Aloss = 0; +#endif + + // Fill in some window manager capabilities + _this->info.wm_available = 1; + + // Initialize some internal variables + _this->hidden->pListModesResult = NULL; + _this->hidden->fInFocus = 0; + _this->hidden->iSkipWMMOUSEMOVE = 0; + _this->hidden->iMouseVisible = 1; + DosCreateMutexSem(NULL, &(_this->hidden->hmtxUseSrcBuffer), 0, FALSE); + + // Now create our window with a default size + + // For this, we select the first available fullscreen mode as + // current window size! + memcpy(&(_this->hidden->SrcBufferDesc), _this->hidden->pAvailableFSLibVideoModes, sizeof(_this->hidden->SrcBufferDesc)); + // Allocate new video buffer! + _this->hidden->pchSrcBuffer = (char *) malloc(_this->hidden->pAvailableFSLibVideoModes->uiScanLineSize * _this->hidden->pAvailableFSLibVideoModes->uiYResolution); + if (!_this->hidden->pchSrcBuffer) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoInit] : Yikes, not enough memory for new video buffer!\n"); fflush(stdout); +#endif + SDL_SetError("Not enough memory for new video buffer!\n"); + return -1; + } + + // For this, we need a message processing thread. + // We'll create a new thread for this, which will do everything + // what is related to PM + _this->hidden->iPMThreadStatus = 0; + _this->hidden->tidPMThread = _beginthread(PMThreadFunc, NULL, 65536, (void *) _this); + if (_this->hidden->tidPMThread <= 0) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoInit] : Could not create PM thread!\n"); +#endif + SDL_SetError("Could not create PM thread"); + return -1; + } +#ifdef USE_DOSSETPRIORITY + // Burst the priority of PM Thread! + DosSetPriority(PRTYS_THREAD, PRTYC_TIMECRITICAL, 0, _this->hidden->tidPMThread); +#endif + // Wait for the PM thread to initialize! + while (_this->hidden->iPMThreadStatus==0) + DosSleep(32); + // If the PM thread could not set up everything, then + // report an error! + if (_this->hidden->iPMThreadStatus!=1) + { +#ifdef DEBUG_BUILD + printf("[os2fslib_VideoInit] : PMThread reported an error : %d\n", _this->hidden->iPMThreadStatus); +#endif + SDL_SetError("Error initializing PM thread"); + return -1; + } + + return 0; +} + + +static void os2fslib_DeleteDevice(_THIS) +{ +#ifdef DEBUG_BUILD + printf("[os2fslib_DeleteDevice]\n"); fflush(stdout); +#endif + // Free used memory + FSLib_FreeVideoModeList(_this->hidden->pAvailableFSLibVideoModes); + if (_this->hidden->pListModesResult) + free(_this->hidden->pListModesResult); + if (_this->hidden->pchSrcBuffer) + free(_this->hidden->pchSrcBuffer); + DosCloseMutexSem(_this->hidden->hmtxUseSrcBuffer); + free(_this->hidden); + free(_this); + FSLib_Uninitialize(); +} + +static int os2fslib_Available(void) +{ + + // If we can run, it means that we could load FSLib, + // so we assume that it's available then! + return 1; +} + +static void os2fslib_MorphToPM() +{ + PPIB pib; + PTIB tib; + + DosGetInfoBlocks(&tib, &pib); + + // Change flag from VIO to PM: + if (pib->pib_ultype==2) pib->pib_ultype = 3; +} + +static SDL_VideoDevice *os2fslib_CreateDevice(int devindex) +{ + SDL_VideoDevice *device; + +#ifdef DEBUG_BUILD + printf("[os2fslib_CreateDevice] : Enter\n"); fflush(stdout); +#endif + + /* Initialize all variables that we clean on shutdown */ + device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice)); + if ( device ) + { + memset(device, 0, (sizeof *device)); + // Also allocate memory for private data + device->hidden = (struct SDL_PrivateVideoData *) malloc((sizeof(struct SDL_PrivateVideoData))); + } + if ( (device == NULL) || (device->hidden == NULL) ) + { + SDL_OutOfMemory(); + if ( device ) + free(device); + return NULL; + } + memset(device->hidden, 0, (sizeof *device->hidden)); + + /* Set the function pointers */ +#ifdef DEBUG_BUILD + printf("[os2fslib_CreateDevice] : VideoInit is %p\n", os2fslib_VideoInit); fflush(stdout); +#endif + + /* Initialization/Query functions */ + device->VideoInit = os2fslib_VideoInit; + device->ListModes = os2fslib_ListModes; + device->SetVideoMode = os2fslib_SetVideoMode; + device->ToggleFullScreen = os2fslib_ToggleFullScreen; + device->UpdateMouse = os2fslib_UpdateMouse; + device->CreateYUVOverlay = NULL; + device->SetColors = os2fslib_SetColors; + device->UpdateRects = os2fslib_UpdateRects; + device->VideoQuit = os2fslib_VideoQuit; + /* Hardware acceleration functions */ + device->AllocHWSurface = os2fslib_AllocHWSurface; + device->CheckHWBlit = NULL; + device->FillHWRect = NULL; + device->SetHWColorKey = NULL; + device->SetHWAlpha = NULL; + device->LockHWSurface = os2fslib_LockHWSurface; + device->UnlockHWSurface = os2fslib_UnlockHWSurface; + device->FlipHWSurface = NULL; + device->FreeHWSurface = os2fslib_FreeHWSurface; + /* Window manager functions */ + device->SetCaption = os2fslib_SetCaption; + device->SetIcon = os2fslib_SetIcon; + device->IconifyWindow = os2fslib_IconifyWindow; + device->GrabInput = os2fslib_GrabInput; + device->GetWMInfo = NULL; + /* Cursor manager functions to Windowed mode*/ + os2fslib_SetCursorManagementFunctions(device, 1); + /* Event manager functions */ + device->InitOSKeymap = os2fslib_InitOSKeymap; + device->PumpEvents = os2fslib_PumpEvents; + /* The function used to dispose of this structure */ + device->free = os2fslib_DeleteDevice; + + // Make sure we'll be able to use Win* API even if the application + // was linked to be a VIO application! + os2fslib_MorphToPM(); + + // Now initialize FSLib, and query available video modes! + if (!FSLib_Initialize()) + { + // Could not initialize FSLib! +#ifdef DEBUG_BUILD + printf("[os2fslib_CreateDevice] : Could not initialize FSLib!\n"); +#endif + SDL_SetError("Could not initialize FSLib!"); + free(device->hidden); + free(device); + return NULL; + } + device->hidden->pAvailableFSLibVideoModes = + FSLib_GetVideoModeList(); + + return device; +} + +VideoBootStrap OS2FSLib_bootstrap = { + "os2fslib", "OS/2 Video Output using FSLib", + os2fslib_Available, os2fslib_CreateDevice +}; +