| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely, subject to the following restrictions: |
| |
| 1. The origin of this software must not be misrepresented; you must not |
| claim that you wrote the original software. If you use this software |
| in a product, an acknowledgment in the product documentation would be |
| appreciated but is not required. |
| 2. Altered source versions must be plainly marked as such, and must not be |
| misrepresented as being the original software. |
| 3. This notice may not be removed or altered from any source distribution. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #if SDL_VIDEO_DRIVER_OS2 |
| |
| #include "SDL_os2video.h" |
| #include "../../events/SDL_mouse_c.h" |
| #include "SDL_os2util.h" |
| |
| HPOINTER hptrCursor = NULLHANDLE; |
| |
| static SDL_Cursor* OS2_CreateCursor(SDL_Surface *surface, int hot_x, int hot_y) |
| { |
| ULONG ulMaxW = WinQuerySysValue( HWND_DESKTOP, SV_CXPOINTER ); |
| ULONG ulMaxH = WinQuerySysValue( HWND_DESKTOP, SV_CYPOINTER ); |
| HPOINTER hptr; |
| SDL_Cursor *pSDLCursor; |
| |
| if ( ( surface->w > ulMaxW ) || ( surface->h > ulMaxH ) ) |
| { |
| debug( "Given image size is %u x %u, maximum allowed size is %u x %u", |
| surface->w, surface->h, ulMaxW, ulMaxH ); |
| return NULL; |
| } |
| |
| hptr = utilCreatePointer( surface, hot_x, ulMaxH - hot_y - 1 ); |
| if ( hptr == NULLHANDLE ) |
| return NULL; |
| |
| pSDLCursor = SDL_calloc( 1, sizeof(SDL_Cursor) ); |
| if ( pSDLCursor == NULL ) |
| { |
| WinDestroyPointer( hptr ); |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| |
| pSDLCursor->driverdata = (void *)hptr; |
| return pSDLCursor; |
| } |
| |
| static SDL_Cursor* OS2_CreateSystemCursor(SDL_SystemCursor id) |
| { |
| SDL_Cursor* pSDLCursor; |
| LONG lSysId; |
| HPOINTER hptr; |
| |
| switch( id ) |
| { |
| case SDL_SYSTEM_CURSOR_ARROW: lSysId = SPTR_ARROW; break; |
| case SDL_SYSTEM_CURSOR_IBEAM: lSysId = SPTR_TEXT; break; |
| case SDL_SYSTEM_CURSOR_WAIT: lSysId = SPTR_WAIT; break; |
| case SDL_SYSTEM_CURSOR_CROSSHAIR: lSysId = SPTR_MOVE; break; |
| case SDL_SYSTEM_CURSOR_WAITARROW: lSysId = SPTR_WAIT; break; |
| case SDL_SYSTEM_CURSOR_SIZENWSE: lSysId = SPTR_SIZENWSE; break; |
| case SDL_SYSTEM_CURSOR_SIZENESW: lSysId = SPTR_SIZENESW; break; |
| case SDL_SYSTEM_CURSOR_SIZEWE: lSysId = SPTR_SIZEWE; break; |
| case SDL_SYSTEM_CURSOR_SIZENS: lSysId = SPTR_SIZENS; break; |
| case SDL_SYSTEM_CURSOR_SIZEALL: lSysId = SPTR_MOVE; break; |
| case SDL_SYSTEM_CURSOR_NO: lSysId = SPTR_ILLEGAL; break; |
| case SDL_SYSTEM_CURSOR_HAND: lSysId = SPTR_ARROW; break; |
| default: |
| debug( "Unknown cursor id: %u", id ); |
| return NULL; |
| } |
| |
| // On eCS SPTR_WAIT for last paramether fCopy=TRUE/FALSE gives different |
| // "wait" icons. -=8( ) |
| hptr = WinQuerySysPointer( HWND_DESKTOP, lSysId, |
| id == SDL_SYSTEM_CURSOR_WAIT ); |
| if ( hptr == NULLHANDLE ) |
| { |
| debug( "Cannot load OS/2 system pointer %u for SDL cursor id %u", |
| lSysId, id ); |
| return NULL; |
| } |
| |
| pSDLCursor = SDL_calloc( 1, sizeof(SDL_Cursor) ); |
| if ( pSDLCursor == NULL ) |
| { |
| WinDestroyPointer( hptr ); |
| SDL_OutOfMemory(); |
| return NULL; |
| } |
| |
| pSDLCursor->driverdata = (void *)hptr; |
| return pSDLCursor; |
| } |
| |
| static void OS2_FreeCursor(SDL_Cursor *cursor) |
| { |
| HPOINTER hptr = (HPOINTER)cursor->driverdata; |
| |
| WinDestroyPointer( hptr ); |
| SDL_free( cursor ); |
| } |
| |
| static int OS2_ShowCursor(SDL_Cursor *cursor) |
| { |
| hptrCursor = cursor != NULL ? (HPOINTER)cursor->driverdata : NULLHANDLE; |
| |
| return ( ( SDL_GetMouseFocus() == NULL ) || |
| WinSetPointer( HWND_DESKTOP, hptrCursor ) ) ? 0 : -1; |
| } |
| |
| static void OS2_WarpMouse(SDL_Window * window, int x, int y) |
| { |
| PWINDATA pWinData = (PWINDATA)window->driverdata; |
| POINTL pointl; |
| |
| pointl.x = x; |
| pointl.y = window->h - y; |
| WinMapWindowPoints( pWinData->hwnd, HWND_DESKTOP, &pointl, 1 ); |
| // pWinData->lSkipWMMouseMove++; ??? |
| WinSetPointerPos( HWND_DESKTOP, pointl.x, pointl.y ); |
| } |
| |
| static int OS2_WarpMouseGlobal(int x, int y) |
| { |
| WinSetPointerPos( HWND_DESKTOP, x, |
| WinQuerySysValue( HWND_DESKTOP, SV_CYSCREEN ) - y ); |
| return 0; |
| } |
| |
| static int OS2_CaptureMouse(SDL_Window *window) |
| { |
| return WinSetCapture( HWND_DESKTOP, |
| window == NULL ? NULLHANDLE |
| : ((PWINDATA)window->driverdata)->hwnd ) |
| ? 0 : -1; |
| } |
| |
| static Uint32 OS2_GetGlobalMouseState(int *x, int *y) |
| { |
| POINTL pointl; |
| ULONG ulRes; |
| |
| WinQueryPointerPos( HWND_DESKTOP, &pointl ); |
| *x = pointl.x; |
| *y = WinQuerySysValue( HWND_DESKTOP, SV_CYSCREEN ) - pointl.y - 1; |
| |
| ulRes = WinGetKeyState( HWND_DESKTOP, VK_BUTTON1 ) & 0x8000 |
| ? SDL_BUTTON_LMASK : 0; |
| if ( WinGetKeyState( HWND_DESKTOP, VK_BUTTON2 ) & 0x8000 ) |
| ulRes |= SDL_BUTTON_RMASK; |
| if ( WinGetKeyState( HWND_DESKTOP, VK_BUTTON3 ) & 0x8000 ) |
| ulRes |= SDL_BUTTON_MMASK; |
| |
| return ulRes; |
| } |
| |
| |
| void OS2_InitMouse(_THIS, ULONG hab) |
| { |
| SDL_Mouse *pSDLMouse = SDL_GetMouse(); |
| |
| pSDLMouse->CreateCursor = OS2_CreateCursor; |
| pSDLMouse->CreateSystemCursor = OS2_CreateSystemCursor; |
| pSDLMouse->ShowCursor = OS2_ShowCursor; |
| pSDLMouse->FreeCursor = OS2_FreeCursor; |
| pSDLMouse->WarpMouse = OS2_WarpMouse; |
| pSDLMouse->WarpMouseGlobal = OS2_WarpMouseGlobal; |
| pSDLMouse->CaptureMouse = OS2_CaptureMouse; |
| pSDLMouse->GetGlobalMouseState = OS2_GetGlobalMouseState; |
| |
| SDL_SetDefaultCursor( OS2_CreateSystemCursor( SDL_SYSTEM_CURSOR_ARROW ) ); |
| if ( hptrCursor == NULLHANDLE ) |
| hptrCursor = WinQuerySysPointer( HWND_DESKTOP, SPTR_ARROW, TRUE ); |
| } |
| |
| void OS2_QuitMouse(_THIS) |
| { |
| SDL_Mouse *pSDLMouse = SDL_GetMouse(); |
| |
| if ( pSDLMouse->def_cursor != NULL ) |
| { |
| SDL_free( pSDLMouse->def_cursor ); |
| pSDLMouse->def_cursor = NULL; |
| pSDLMouse->cur_cursor = NULL; |
| } |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_OS2 */ |