cross compilation of Win32 version (using win32 API)

src/Makefile

@@ -388,9 +388,13 @@ endif
       CC = $(CROSS_CC)
       CROSS_STRIP ?= $(shell which i686-w64-mingw32-strip || which mingw32-strip)
       STRIP = $(CROSS_STRIP)
-      BIN = ../bin/grafx2.exe
+      BIN = ../bin/grafx2-$(API).exe
-      COPT = -W -Wall -Wdeclaration-after-statement -O$(OPTIM) -g -ggdb -Dmain=SDL_main $(shell $(CROSS_SDLCONFIG) --cflags) $(TTFCOPT)
+      COPT = -W -Wall -Wdeclaration-after-statement -O$(OPTIM) -g -ggdb $(TTFCOPT)
-      LOPT = -mwindows -lmingw32 -lSDLmain -lSDL -lshlwapi $(shell $(CROSS_SDLCONFIG) --libs) -lSDL_image $(TTFLOPT)
+      LOPT = -mwindows -lmingw32 -lshlwapi $(TTFLOPT)
+      ifeq ($(API),sdl)
+      COPT += -Dmain=SDL_main $(shell $(CROSS_SDLCONFIG) --cflags)
+      LOPT += -lSDLmain -lSDL $(shell $(CROSS_SDLCONFIG) --libs) -lSDL_image
+      endif
       ifeq (,$(CROSS_PKGCONFIG))
       COPT += -D__no_pnglib__
       else
@@ -404,7 +408,10 @@ endif
       WINDRES ?= $(shell which i686-w64-mingw32-windres || which mingw32-windres)
       PLATFORM = win32
       PLATFORMOBJ = winres.o
-      PLATFORMFILES = bin/SDL.dll bin/SDL_image.dll $(wildcard ../bin/libpng*.dll) $(wildcard ../bin/libjpeg*.dll) bin/zlib1.dll $(TTFLIBS)
+      PLATFORMFILES = $(wildcard ../bin/libpng*.dll) $(wildcard ../bin/libjpeg*.dll) bin/zlib1.dll $(TTFLIBS)
+      ifeq ($(API),sdl)
+      PLATFORMFILES += bin/SDL.dll bin/SDL_image.dll
+      endif
     else
       ifdef GP2XCROSS
         #cross compile an exec for the gp2x
@@ -571,6 +578,9 @@ ifeq ($(API),sdl2)
   APIOBJ = sdlscreen.o
   COPT += -DUSE_SDL2
 endif
+ifeq ($(API),win32)
+  APIOBJ = win32screen.o
+endif
 
 #To enable Joystick emulation of cursor, make USE_JOYSTICK=1 (for input.o)
 #This can be necessary to test cursor code on a PC, but by default for all

src/Makefile.dep

@@ -56,7 +56,7 @@ $(OBJDIR)/loadsave.o: loadsave.c buttons.h struct.h const.h loadsave.h \
 $(OBJDIR)/main.o: main.c const.h struct.h global.h graph.h misc.h init.h buttons.h \
  loadsave.h gfx2surface.h engine.h pages.h screen.h errors.h readini.h \
  saveini.h io.h text.h setup.h windows.h brush.h palette.h realpath.h \
- input.h keycodes.h help.h filesel.h
+ input.h keycodes.h help.h filesel.h win32screen.h
 $(OBJDIR)/misc.o: misc.c struct.h const.h global.h errors.h buttons.h loadsave.h \
  gfx2surface.h engine.h misc.h keyboard.h screen.h windows.h palette.h \
  input.h keycodes.h graph.h pages.h
@@ -119,7 +119,8 @@ $(OBJDIR)/transform.o: transform.c global.h struct.h const.h transform.h engine.
  loadsave.h gfx2surface.h pages.h tiles.h
 $(OBJDIR)/unicode.o: unicode.c unicode.h struct.h const.h
 $(OBJDIR)/version.o: version.c
-$(OBJDIR)/win32screen.o: win32screen.c screen.h struct.h const.h global.h
+$(OBJDIR)/win32screen.o: win32screen.c screen.h struct.h const.h global.h errors.h \
+ windows.h input.h keycodes.h keyboard.h
 $(OBJDIR)/windows.o: windows.c windows.h struct.h const.h engine.h errors.h \
  global.h graph.h input.h keycodes.h misc.h op_c.h colorred.h readline.h \
  screen.h palette.h unicode.h keyboard.h

src/main.c

@@ -72,8 +72,11 @@
 #include "input.h"
 #include "help.h"
 #include "filesel.h"
+#if defined(WIN32) && !(defined(USE_SDL) || defined(USE_SDL2))
+#include "win32screen.h"
+#endif
 
-#if defined(__WIN32__)
+#if defined(WIN32)
     #include <windows.h>
     #include <shlwapi.h>
 #elif defined (__MINT__)
@@ -86,7 +89,7 @@
 #endif
 
 
-#if defined (__WIN32__)
+#if defined (WIN32) && (defined(USE_SDL) || defined(USE_SDL2))
   // On Windows, SDL_putenv is not present in any compilable header.
   // It can be linked anyway, this declaration only avoids
   // a compilation warning.
@@ -830,17 +833,19 @@ int Init_program(int argc,char * argv[])
     Pixel_ratio);
 
   // Windows only: move back the window to its original position.
-  #if defined(__WIN32__)
+  #if defined(WIN32)
   if (!Video_mode[starting_videomode].Fullscreen)
   {
     if (Config.Window_pos_x != 9999 && Config.Window_pos_y != 9999)
     {
       //RECT r;
+      #if defined(USE_SDL) || defined(USE_SDL2)
       static SDL_SysWMinfo pInfo;
       SDL_VERSION(&pInfo.version);
       SDL_GetWMInfo(&pInfo);
       //GetWindowRect(pInfo.window, &r);
       SetWindowPos(pInfo.window, 0, Config.Window_pos_x, Config.Window_pos_y, 0, 0, SWP_NOSIZE);
+      #endif
     }
   }
 
@@ -1043,7 +1048,7 @@ void Program_shutdown(void)
   int      return_code;
 
   // Windows only: Recover the window position.
-  #if defined(__WIN32__)
+  #if defined(WIN32) && (defined(USE_SDL) || defined(USE_SDL2))
   {
     RECT r;
     static SDL_SysWMinfo pInfo;
@@ -1171,7 +1176,7 @@ int main(int argc,char * argv[])
   GetModuleFileName(NULL, ModuleFileName, MAX_PATH);
   GetShortPathName(ModuleFileName, ModuleShortFileName, MAX_PATH);
   argv[argc++] = arg_buffer;
-  for (i = 0; i < sizeof(arg_buffer); i++) {
+  for (i = 0; i < (int)sizeof(arg_buffer); i++) {
     arg_buffer[i] = (char)ModuleShortFileName[i];
     if (arg_buffer[i] == 0) break;
   }
@@ -1188,3 +1193,30 @@ int main(int argc,char * argv[])
   Program_shutdown();
   return 0;
 }
+
+#if defined(WIN32) && !defined(USE_SDL) && !defined(USE_SDL2) && !defined(_MSC_VER)
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR _lpCmdLine, int nCmdShow)
+{
+  WCHAR *lpCmdLine = GetCommandLineW();
+  if (__argc == 1)
+  { // avoids GetCommandLineW bug that does not always quote the program name if no arguments
+    do { ++lpCmdLine; } while (*lpCmdLine);
+  }
+  else
+  {
+    BOOL quoted = lpCmdLine[0] == L'"';
+    ++lpCmdLine; // skips the " or the first letter (all paths are at least 1 letter)
+    while (*lpCmdLine)
+    {
+      if (quoted && lpCmdLine[0] == L'"') quoted = FALSE; // found end quote
+      else if (!quoted && lpCmdLine[0] == L' ')
+      { // found an unquoted space, now skip all spaces
+        do { ++lpCmdLine; } while (lpCmdLine[0] == L' ');
+        break;
+      }
+      ++lpCmdLine;
+    }
+  }
+  return wWinMain(hInstance, hPrevInstance, lpCmdLine, nCmdShow);
+}
+#endif

src/screen.h

@@ -32,10 +32,6 @@
 #include "struct.h"
 #include "global.h"
 
-#if defined(WIN32) && !defined(USE_SDL) && !defined(USE_SDL2)
-int Init_Win32(HINSTANCE hInstance, HINSTANCE hPrevInstance);
-#endif
-
 void GFX2_Set_mode(int *width, int *height, int fullscreen);
 
 byte Get_Screen_pixel(int x, int y);

src/win32screen.c

@@ -20,7 +20,7 @@
     You should have received a copy of the GNU General Public License
     along with Grafx2; if not, see <http://www.gnu.org/licenses/>
 */
-#include <Windows.h>
+#include <windows.h>
 #include <malloc.h>
 #include <stdio.h>
 #if defined(_MSC_VER) && _MSC_VER < 1900
@@ -30,6 +30,7 @@
 #include "errors.h"
 #include "windows.h"
 #include "input.h"
+#include "keyboard.h"
 
 extern int user_feedback_required;
 extern word Input_new_mouse_X;

src/win32screen.h

@@ -0,0 +1,34 @@
+/* vim:expandtab:ts=2 sw=2:
+*/
+/*  Grafx2 - The Ultimate 256-color bitmap paint program
+
+    Copyright 2018 Thomas Bernard
+    Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
+
+    Grafx2 is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License
+    as published by the Free Software Foundation; version 2
+    of the License.
+
+    Grafx2 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Grafx2; if not, see <http://www.gnu.org/licenses/>
+*/
+
+//////////////////////////////////////////////////////////////////////////////
+///@file win32screen.h
+//////////////////////////////////////////////////////////////////////////////
+#ifndef WIN32SCREEN_H_INCLUDED
+#define WIN32SCREEN_H_INCLUDED
+
+#if defined(WIN32) && !defined(USE_SDL) && !defined(USE_SDL2)
+#include <windows.h>
+
+int Init_Win32(HINSTANCE hInstance, HINSTANCE hPrevInstance);
+#endif
+
+#endif