1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2006 Sam Lantinga

     4 

     5     This library is free software; you can redistribute it and/or

     6     modify it under the terms of the GNU Lesser General Public

     7     License as published by the Free Software Foundation; either

     8     version 2.1 of the License, or (at your option) any later version.

     9 

    10     This library is distributed in the hope that it will be useful,

    11     but WITHOUT ANY WARRANTY; without even the implied warranty of

    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13     Lesser General Public License for more details.

    14 

    15     You should have received a copy of the GNU Lesser General Public

    16     License along with this library; if not, write to the Free Software

    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    18 

    19     Sam Lantinga

    20     slouken@libsdl.org

    21 */

    22 #include "SDL_config.h"

    23 

    24 #ifndef _SDL_lowvideo_h

    25 #define _SDL_lowvideo_h

    26 

    27 #define WIN32_LEAN_AND_MEAN

    28 #include <windows.h>

    29 

    30 #ifndef SetClassLongPtr

    31 #define SetClassLongPtr	SetClassLong

    32 #endif

    33 #ifndef GetWindowLongPtr

    34 #define GetWindowLongPtr	GetWindowLong

    35 #endif

    36 #ifndef SetWindowLongPtr

    37 #define SetWindowLongPtr	SetWindowLong

    38 #endif

    39 #ifndef GWLP_WNDPROC

    40 #define GWLP_WNDPROC	GWL_WNDPROC

    41 #endif

    42 #ifndef GWLP_HINSTANCE

    43 #define GWLP_HINSTANCE GWL_HINSTANCE

    44 #endif

    45 #ifndef GCLP_HICON

    46 #define GCLP_HICON GCL_HICON

    47 #endif

    48 

    49 #include "../SDL_sysvideo.h"

    50 

    51 /* Hidden "this" pointer for the video functions */

    52 #define _THIS	SDL_VideoDevice *this

    53 

    54 #define WINDIB_FULLSCREEN()						\

    55 (									\

    56 	SDL_VideoSurface &&						\

    57 	((SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && \

    58 	(((SDL_VideoSurface->flags & SDL_OPENGL   ) == SDL_OPENGL    ) || \

    59 	((SDL_strcmp(this->name, "windib") == 0) || \

    60 	 (SDL_strcmp(this->name, "gapi") == 0))) \

    61 )

    62 #define DDRAW_FULLSCREEN() 						\

    63 (									\

    64 	SDL_VideoSurface &&						\

    65 	((SDL_VideoSurface->flags & SDL_FULLSCREEN) == SDL_FULLSCREEN) && \

    66 	((SDL_VideoSurface->flags & SDL_OPENGL    ) != SDL_OPENGL    ) && \

    67 	(SDL_strcmp(this->name, "directx") == 0)				\

    68 )

    69 

    70 #define DINPUT_FULLSCREEN()	DDRAW_FULLSCREEN()

    71 

    72 /* The main window -- and a function to set it for the audio */

    73 #ifdef _WIN32_WCE

    74 extern LPWSTR SDL_Appname;

    75 #else

    76 extern LPSTR SDL_Appname;

    77 #endif

    78 extern HINSTANCE SDL_Instance;

    79 extern HWND SDL_Window;

    80 extern BOOL SDL_windowid;

    81 

    82 /* Variables and functions exported to other parts of the native video

    83    subsystem (SDL_sysevents.c)

    84 */

    85 extern void WIN_FlushMessageQueue();

    86 

    87 /* Called by windows message loop when application is activated */

    88 extern void (*WIN_Activate)(_THIS, BOOL active, BOOL minimized);

    89 

    90 /* Called by windows message loop when system palette is available */

    91 extern void (*WIN_RealizePalette)(_THIS);

    92 

    93 /* Called by windows message loop when the system palette changes */

    94 extern void (*WIN_PaletteChanged)(_THIS, HWND window);

    95 

    96 /* Called by windows message loop when a portion of the screen needs update */

    97 extern void (*WIN_WinPAINT)(_THIS, HDC hdc);

    98 

    99 /* Called by windows message loop when the message isn't handled */

   100 extern LONG (*HandleMessage)(_THIS, HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

   101 

   102 /* The window cursor (from SDL_sysmouse.c) */

   103 extern HCURSOR SDL_hcursor;

   104 

   105 /* The bounds of the window in screen coordinates */

   106 extern RECT SDL_bounds;

   107 

   108 /* The position of the window in windowed mode */

   109 extern int SDL_windowX;

   110 extern int SDL_windowY;

   111 

   112 /* Flag -- SDL is performing a resize, rather than the user */

   113 extern int SDL_resizing;

   114 

   115 /* Flag -- the mouse is in relative motion mode */

   116 extern int mouse_relative;

   117 

   118 /* The GDI fullscreen mode currently active */

   119 #ifndef NO_CHANGEDISPLAYSETTINGS

   120 extern DEVMODE SDL_desktop_mode;

   121 extern DEVMODE SDL_fullscreen_mode;

   122 #endif

   123 

   124 /* The system gamma ramp for GDI modes */

   125 extern WORD *gamma_saved;

   126 

   127 /* This is really from SDL_dx5audio.c */

   128 extern void DX5_SoundFocus(HWND window);

   129 

   130 /* DJM: This is really from SDL_sysevents.c, we need it in

   131    GDL_CreateWindow as well */

   132 LRESULT CALLBACK WinMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

   133 

   134 /* JFP: Implementation of ToUnicode() that works on 9x/ME/2K/XP */

   135 typedef int (WINAPI *ToUnicodeFN)(UINT, UINT, PBYTE, LPWSTR, int, UINT);

   136 

   137 extern ToUnicodeFN SDL_ToUnicode;

   138 

   139 #endif /* SDL_lowvideo_h */