From 8e9adf91de14d40444099b581737640f7b696dd3 Mon Sep 17 00:00:00 2001
From: TomW <TomW@localhost>
Date: Mon, 2 Nov 2015 18:05:23 +0000
Subject: [PATCH] Added command line option to start in fullscreen mode.

---
 src/allegro-main.c |  4 +--
 src/ibm.h          |  1 +
 src/pc.c           | 18 +++++++++-
 src/win.c          | 90 ++++++++++++++++++++++++++++++++++++++++++++--
 4 files changed, 108 insertions(+), 5 deletions(-)

diff --git a/src/allegro-main.c b/src/allegro-main.c
index 09316e7..cb2d526 100644
--- a/src/allegro-main.c
+++ b/src/allegro-main.c
@@ -48,7 +48,7 @@ uint64_t timer_read()
         return 0;
 }
 
-int main()
+int main(int argc, char *argv[])
 {
         int frames = 0;
         int c, d;
@@ -59,7 +59,7 @@ int main()
 	install_int_ex(onesec, BPS_TO_TIMER(1));
 	midi_init();
         
-        initpc();
+        initpc(argc, argv);
 
         d = romset;
         for (c = 0; c < ROM_MAX; c++)
diff --git a/src/ibm.h b/src/ibm.h
index d1614b6..66f0703 100644
--- a/src/ibm.h
+++ b/src/ibm.h
@@ -478,3 +478,4 @@ void onesec();
 
 void resetpc_cad();
 
+extern int start_in_fullscreen;
diff --git a/src/pc.c b/src/pc.c
index 0fc26a4..ecf829e 100644
--- a/src/pc.c
+++ b/src/pc.c
@@ -36,6 +36,7 @@
 #include "vid_voodoo.h"
 #include "video.h"
 
+int start_in_fullscreen = 0;
 int frame = 0;
 
 int cdrom_enabled;
@@ -189,9 +190,10 @@ void pc_reset()
 //        video_init();
 }
 
-void initpc()
+void initpc(int argc, char *argv[])
 {
         char *p;
+        int c;
 //        allegro_init();
         get_executable_name(pcempath,511);
         pclog("executable_name = %s\n", pcempath);
@@ -199,6 +201,20 @@ void initpc()
         *p=0;
         pclog("path = %s\n", pcempath);        
 
+        for (c = 1; c < argc; c++)
+        {
+                if (!strcasecmp(argv[c], "--help"))
+                {
+                        printf("PCem command line options :\n\n");
+                        printf("-fullscreen - start in fullscreen mode\n");
+                        exit(-1);
+                }
+                else if (!strcasecmp(argv[c], "--fullscreen"))
+                {
+                        start_in_fullscreen = 1;
+                }
+        }
+
         keyboard_init();
         mouse_init();
         joystick_init();
diff --git a/src/win.c b/src/win.c
index 5770a58..a3f8836 100644
--- a/src/win.c
+++ b/src/win.c
@@ -391,6 +391,77 @@ void get_registry_key_map()
 	pclog("Done preparing!\n");
 }
 
+static char **argv;
+static int argc;
+static char *argbuf;
+
+static void process_command_line()
+{
+        char *cmdline;
+        int argc_max;
+        int i, q;
+
+        cmdline = GetCommandLine();
+        i = strlen(cmdline) + 1;
+        argbuf = malloc(i);
+        memcpy(argbuf, cmdline, i);
+
+        argc = 0;
+        argc_max = 64;
+        argv = malloc(sizeof(char *) * argc_max);
+        if (!argv)
+        {
+                free(argbuf);
+                return;
+        }
+
+        i = 0;
+
+        /* parse commandline into argc/argv format */
+        while (argbuf[i])
+        {
+                while (argbuf[i] == ' ')
+                        i++;
+
+                if (argbuf[i])
+                {
+                        if ((argbuf[i] == '\'') || (argbuf[i] == '"'))
+                        {
+                                q = argbuf[i++];
+                                if (!argbuf[i])
+                                        break;
+                        }
+                        else
+                                q = 0;
+
+                        argv[argc++] = &argbuf[i];
+
+                        if (argc >= argc_max)
+                        {
+                                argc_max += 64;
+                                argv = realloc(argv, sizeof(char *) * argc_max);
+                                if (!argv)
+                                {
+                                        free(argbuf);
+                                        return;
+                                }
+                        }
+
+                        while ((argbuf[i]) && ((q) ? (argbuf[i] != q) : (argbuf[i] != ' ')))
+                                i++;
+
+                        if (argbuf[i])
+                        {
+                                argbuf[i] = 0;
+                                i++;
+                        }
+                        pclog("Arg %i - %s\n",argc-1,argv[argc-1]);
+                }
+        }
+
+        argv[argc] = NULL;
+}
+
 int WINAPI WinMain (HINSTANCE hThisInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR lpszArgument,
@@ -403,6 +474,8 @@ int WINAPI WinMain (HINSTANCE hThisInstance,
         int c, d;
         LARGE_INTEGER qpc_freq;
 
+        process_command_line();
+        
         hinstance=hThisInstance;
         /* The Window structure */
         wincl.hInstance = hThisInstance;
@@ -470,7 +543,7 @@ int WINAPI WinMain (HINSTANCE hThisInstance,
 
         ghwnd=hwnd;
                 
-        initpc();
+        initpc(argc, argv);
         
         vid_apis[0][vid_api].init(ghwnd);
 
@@ -568,7 +641,20 @@ int WINAPI WinMain (HINSTANCE hThisInstance,
 //        setrefresh(100);
 
 //        ShowCursor(TRUE);
-        
+
+        if (start_in_fullscreen)
+        {
+                startblit();
+                mouse_close();
+                vid_apis[0][vid_api].close();
+                video_fullscreen = 1;
+                vid_apis[1][vid_api].init(ghwnd);
+                mouse_init();
+                leave_fullscreen_flag = 0;
+                endblit();
+                device_force_redraw();
+        }
+                        
         /* Run the message loop. It will run until GetMessage() returns 0 */
         while (!quited)
         {