c2p_windowmono.c

/* :ts=4							c2p_windowmono.c
 *
 *    cp4 - Commodore C+4 emulator
 *    Copyright (C) 1998 Gáti Gergely
 *
 *    This program 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; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program 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 this program; if not, write to the Free Software Foundation,
 *    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *    e-mail: gatig@dragon.klte.hu
 */
#include <proto/graphics.h>
#include <proto/exec.h>
#include <proto/intuition.h>
#include <exec/alerts.h>
#include <intuition/pointerclass.h>
#include <proto/gadtools.h>
#include <proto/layers.h>

#include "cp4_ver.h"

#define C2P_VERSION		"1"
#define C2P_REVISION	"4"
#define C2P_AUTHOR		"gega <Gáti Gergely>"
#define C2P_NAME		"WindowMono"
#define C2P_DATE		DATE
#define C2P_LOCALIZE

#include "c2p_module.c"

extern void REGARGS convfullasm(	REG(a0,void *chunkyaddr),
									REG(a1,void *planaraddr) );
extern void REGARGS convdeltaasm(	REG(a0,void *chunkyaddr),
									REG(d0,void *delta),
									REG(a1,void *planaraddr) );

struct GfxBase *GfxBase=NULL;
struct IntuitionBase *IntuitionBase=NULL;
struct Library *GadToolsBase=NULL;
struct Library *LayersBase=NULL;
static struct BitMap *bmap;
static unsigned char *planar;
static struct Window *win=NULL;
static int offx=0,offy=0;
	int bmx;
static int maxx,maxy;
static int borhoriz,borvert;
static struct BitMap mybmap;
static void *mypointer=NULL;
static UWORD *mypntchip0=NULL;
static UWORD *mypntchip1=NULL;
static int winsleeped=0;
static struct Requester InvisibleRequester;
static struct Menu *mMenus=NULL;
static APTR visualinfo=NULL;
/* LORES-POINTER
 */
#define POINTERHEIGHT	31
static UWORD pointerp0[]={
	0,384,384,3504,3504,3504,28080,28080,28080,28086,28086,28086,32758,32758,32766,32766,
	32764,16380,16376,16376,0,32764,0,32764,32740,32764,32740,32764,32764,32736,28672
};
static UWORD pointerp1[]={
	384,960,4080,8184,8184,32760,65528,65528,65534,65535,65535,65535,65535,65535,65535,65535,
	65534,32766,32764,32764,65534,65534,65534,32770,32794,32770,32794,32770,32770,32768,32768
};

/* prefs
 */
static int WTop,WLeft,WHeight,WWidth,Wx,Wy;
static char *WPubName=NULL;


static char *initgfx(void);
static void freegfx(void);
static int mReset(struct IntuiMessage *imsg);
static int mHReset(struct IntuiMessage *imsg);
static int mDebug(struct IntuiMessage *imsg);
static int mPrefs(struct IntuiMessage *imsg);
static int mJump(struct IntuiMessage *imsg);
static int mQuit(struct IntuiMessage *imsg);

#define MSG_PROJECT			0
#define MSG_RESET			1
#define MSG_HARDRESET		2
#define MSG_DEBUG			3
#define MSG_PREFS			4
#define MSG_QUIT			5
#define MSG_OPTIONS			6
#define MSG_JUMPSCR			7
#define MSG_INFO			8
#define MSG_ERRVISUALINFO	9
#define MSG_ERRCREATEMENU	10
#define MSG_ERROPENWIN		11
#define MSG_ERRBITMAPATTR	12
#define MSG_ERRBITPNUM		13
#define MSG_ERRFINDCOLMAP	14
#define MSG_ERROBTPENS		15
#define MSG_ERRGRAPHICS		16
#define MSG_ERRINTUITION	17
#define MSG_ERRLAYERS		18
#define MSG_ERRGADTOOLS		19
#define MSG_ERRPOINTER		20
#define MSG_RESET_A			21
#define MSG_HARDRESET_A		22
#define MSG_DEBUG_A			23
#define MSG_PREFS_A			24
#define MSG_QUIT_A			25
#define MSG_JUMPSCR_A		26
#define MSG_NOMEM			27

static char *defstr[]={
	"Project",
	"Reset",
	"HardReset",
	"Debug...",
	"Prefs...",
	"Quit",
	"Options",
	"Jump PubScreen",
	"Monochrome driver in a Workbench window. Works on OCS+",
	"Can't find VisualInfo",
	"Can't Create Menu",
	"Can't open Window",
	"Wrong BitMap Attributes",
	"Wrong BitPlane Number",
	"Can't Find ColorMap",
	"Can't Obtain Pens",
	"Can't open graphics.library V39",
	"Can't open intuition.library V37",
	"Can't open layers.library V33",
	"Can't open gadtools.library V37",
	"Can't Create Pointer",
	"R",
	"H",
	"D",
	"P",
	"X",
	"J",
	"Not enough memory",
	NULL
};

/* Menu
 */
static struct NewMenu mNewMenu[]={
	{	NM_TITLE, (STRPTR)MSG_PROJECT, NULL, 0, NULL, NULL	},
	{	NM_ITEM, (STRPTR)MSG_RESET, (STRPTR)MSG_RESET_A, 0, 0L, (APTR)mReset },
	{	NM_ITEM, (STRPTR)MSG_HARDRESET, (STRPTR)MSG_HARDRESET_A, 0, 0L, (APTR)mHReset },
	{	NM_ITEM, (STRPTR)NM_BARLABEL, NULL, 0, 0L, NULL	},
	{	NM_ITEM, (STRPTR)MSG_DEBUG, (STRPTR)MSG_DEBUG_A, 0, 0L, (APTR)mDebug },
	{	NM_ITEM, (STRPTR)MSG_PREFS, (STRPTR)MSG_PREFS_A, 0, 0L, (APTR)mPrefs },
	{	NM_ITEM, (STRPTR)NM_BARLABEL, NULL, 0, 0L, NULL	},
	{	NM_ITEM, (STRPTR)MSG_QUIT, (STRPTR)MSG_QUIT_A, 0, 0L, (APTR)mQuit },
	{	NM_TITLE, (STRPTR)MSG_OPTIONS, NULL, 0, NULL, NULL	},
	{	NM_ITEM, (STRPTR)MSG_JUMPSCR, (STRPTR)MSG_JUMPSCR_A, 0, 0L, (APTR)mJump },
	{	NM_END, NULL, NULL, 0, 0L, NULL	}
};
static struct NewMenu sNewMenu[]={
	{	NM_TITLE, (STRPTR)MSG_PROJECT, NULL, 0, NULL, NULL	},
	{	NM_ITEM, (STRPTR)MSG_RESET, (STRPTR)MSG_RESET_A, 0, 0L, (APTR)mReset },
	{	NM_ITEM, (STRPTR)MSG_HARDRESET, (STRPTR)MSG_HARDRESET_A, 0, 0L, (APTR)mHReset },
	{	NM_ITEM, (STRPTR)NM_BARLABEL, NULL, 0, 0L, NULL	},
	{	NM_ITEM, (STRPTR)MSG_DEBUG, (STRPTR)MSG_DEBUG_A, 0, 0L, (APTR)mDebug },
	{	NM_ITEM, (STRPTR)MSG_PREFS, (STRPTR)MSG_PREFS_A, 0, 0L, (APTR)mPrefs },
	{	NM_ITEM, (STRPTR)NM_BARLABEL, NULL, 0, 0L, NULL	},
	{	NM_ITEM, (STRPTR)MSG_QUIT, (STRPTR)MSG_QUIT_A, 0, 0L, (APTR)mQuit },
	{	NM_TITLE, (STRPTR)MSG_OPTIONS, NULL, 0, NULL, NULL	},
	{	NM_ITEM, (STRPTR)MSG_JUMPSCR, (STRPTR)MSG_JUMPSCR_A, 0, 0L, (APTR)mJump },
	{	NM_END, NULL, NULL, 0, 0L, NULL	}
};

char *SAVEDS minfo(void) {
static char in[1024];
	char *s;
	c2p_OpenCatalog(defstr);
	s=STR(MSG_INFO);
	c2p_strncpy(in,s,1023);
	c2p_CloseCatalog();
	return(in);
}

/* Handle MenuPick
 */
static int mReset(struct IntuiMessage *imsg) {
	return(RET_RESET);
} // mReset()

static int mHReset(struct IntuiMessage *imsg) {
	return(RET_HRESET);
} // mHReset()

static int mDebug(struct IntuiMessage *imsg) {
	return(RET_DEBUG);
} // mDebug()

static int mPrefs(struct IntuiMessage *imsg) {
	return(RET_PREFS);
} // mPrefs()

static int mQuit(struct IntuiMessage *imsg) {
	return(RET_QUIT);
} // mQuit()

static int mJump(struct IntuiMessage *imsg) {
static char newname[MAXPUBSCREENNAME+1];
	int r=RET_OK,i;
	char *s;

	if(NULL!=(NextPubScreen(vec.c2p_Scr,newname))) {
		if(NULL!=(s=AllocVec(MAXPUBSCREENNAME+1,MEMF_ANY))) {
			freegfx();
			r=RET_NEWWIN;
			for(i=0;newname[i]!='\0';i++);
			CopyMem(newname,s,i+1);
			if(WPubName) FreeVec(WPubName);
			WPubName=s;
			if(NULL!=(initgfx())) {
				freegfx();
				// PANIC!!!
				Alert(AT_Recovery|AG_NoMemory|AO_Unknown);
				return(RET_ERROR);
			}
		}
	}
	return(r);
} // mJump()


static INLINE void calcwinsizes() {
	borhoriz=win->BorderRight+win->BorderLeft-1;
	borvert=win->BorderTop+win->BorderBottom-1;
	maxx=SCRWIDTH-(win->Width-borhoriz);
	maxy=SCRHEIGHT-(win->Height-borvert)+2;
	if(offx>maxx) {
		ScrollLayer(0,win->RPort->Layer,-(offx-maxx),0);
		offx=maxx;
	}
	if(offy>maxy) {
		ScrollLayer(0,win->RPort->Layer,0,-(offy-maxy));
		offy=maxy;
	}
}


static char *initgfx(void) {
static char pname[MAXPUBSCREENNAME+1];
	int i,mx,my;
	ULONG wa_top=WA_Top;

	/* Allocate bitmaps
	 */
	if(NULL==(bmap=AllocBitMap(SCRWIDTH,SCRHEIGHT,1,BMF_DISPLAYABLE|BMF_CLEAR,NULL))) return(STR(MSG_NOMEM));
	bmx=GetBitMapAttr(bmap,BMA_WIDTH)/8;
	planar=(unsigned char *)bmap->Planes[0];

	/* Get the required PubScreen
	 */
	if(NULL==(vec.c2p_Scr=LockPubScreen(WPubName))) {
		vec.c2p_Scr=LockPubScreen(NULL);
		GetDefaultPubScreen(pname);
		if(WPubName) FreeVec(WPubName);
		for(i=0;pname[i]!='\0';i++);
		if(NULL==(WPubName=AllocVec(i+2,MEMF_ANY))) return(STR(MSG_NOMEM));
		CopyMem(pname,WPubName,i+1);
	}

	/* ScreenToFront
	 */
	ScreenToFront(vec.c2p_Scr);

	/* Get Screen Attribs
	 */
	if(!(visualinfo=GetVisualInfo(vec.c2p_Scr,TAG_DONE))) return(STR(MSG_ERRVISUALINFO));

	/* SetUp Menu
	 */
	for(i=0;sNewMenu[i].nm_Type!=NM_END;i++) {
		mNewMenu[i].nm_Label=sNewMenu[i].nm_Label;
		mNewMenu[i].nm_CommKey=sNewMenu[i].nm_CommKey;
	}
	for(i=0;mNewMenu[i].nm_Type!=NM_END;i++) {
		if(mNewMenu[i].nm_Label!=NM_BARLABEL) mNewMenu[i].nm_Label=STR((long)mNewMenu[i].nm_Label);
		if(mNewMenu[i].nm_CommKey!=NULL) mNewMenu[i].nm_CommKey=STR((long)mNewMenu[i].nm_CommKey);
	}
	if(!(mMenus=CreateMenus(mNewMenu,GTMN_FrontPen,0L,TAG_DONE,0L))) return(STR(MSG_ERRCREATEMENU));
	LayoutMenus(mMenus,visualinfo,GTMN_TextAttr,(ULONG)vec.c2p_Scr->Font,GTMN_NewLookMenus,TRUE,TAG_DONE,0L);

	/* Open window
	 */
	if(WTop==-1) { wa_top=TAG_IGNORE; WTop=0; }
	if((win=(struct Window *)OpenWindowTags(NULL,
				WA_Left, WLeft,
				wa_top, WTop,
				WA_Width, WWidth,
				WA_Height, WHeight,
				WA_Title, (ULONG)C2P_NAME,
                WA_Flags,	WFLG_SIZEGADGET|
							WFLG_SIZEBBOTTOM|
							WFLG_DRAGBAR|
							WFLG_DEPTHGADGET|
							WFLG_CLOSEGADGET|
							WFLG_SUPER_BITMAP|
							WFLG_GIMMEZEROZERO|
							WFLG_ACTIVATE,
				WA_SuperBitMap, (ULONG)bmap,
				WA_ScreenTitle, (ULONG)"cp4",
				WA_AutoAdjust, TRUE,
				WA_RptQueue, 25,
				WA_IDCMP,	IDCMP_MOUSEMOVE|
							IDCMP_CLOSEWINDOW|
							IDCMP_MENUPICK|
							IDCMP_NEWSIZE|
							IDCMP_MOUSEBUTTONS,
				WA_PubScreen, (ULONG)vec.c2p_Scr,
				WA_PubScreenFallBack, TRUE,
				WA_NewLookMenus, TRUE,
				TAG_DONE,0L ))==NULL)
		return(STR(MSG_ERROPENWIN));
	SetMenuStrip(win,mMenus);
	vec.c2p_Win=win;
	winsleeped=0;
	offx=offy=0;
	calcwinsizes();
	WindowLimits(win,borhoriz+80,borvert+20,SCRWIDTH+borhoriz,borvert+SCRHEIGHT);
	offx+=Wx;		offy+=Wy;
	mx=Wx;			my=Wy;
	if(offx<0)		{ mx-=offx; offx=0; }
	if(offx>maxx)	{ mx-=offx-maxx; offx=maxx; }
	if(offy<0)		{ my-=offy; offy=0; }
	if(offy>maxy)	{ my-=offy-maxy; offy=maxy; }
	ScrollLayer(0,win->RPort->Layer,mx,my);
	return(NULL);
} // initgfx()


static void freegfx(void) {
	mawake();
	if(GfxBase) WaitTOF();
	if(win) {
		WTop=win->TopEdge;
		WLeft=win->LeftEdge;
		WHeight=win->Height;
		WWidth=win->Width;
		vec.c2p_AddOptionInt("WINTOP",WTop);
		vec.c2p_AddOptionInt("WINLEFT",WLeft);
		vec.c2p_AddOptionInt("WINHEIGHT",WHeight);
		vec.c2p_AddOptionInt("WINWIDTH",WWidth);
		Wx=offx;
		Wy=offy;
		vec.c2p_AddOptionInt("OFFX",Wx);
		vec.c2p_AddOptionInt("OFFY",Wy);
		ClearMenuStrip(win);
		CloseWindow(win);
		win=NULL;
	}
	vec.c2p_Win=NULL;
	if(mMenus) { FreeMenus(mMenus); mMenus=NULL; }
	if(visualinfo) { FreeVisualInfo(visualinfo); visualinfo=NULL; }
	if(vec.c2p_Scr) {
		vec.c2p_AddOptionStr("PUBSCREEN",WPubName);
		UnlockPubScreen(NULL,vec.c2p_Scr);
		vec.c2p_Scr=NULL;
	}
	if(bmap) { FreeBitMap(bmap); bmap=NULL; }
} // freegfx()


char *SAVEDS minit(ULONG scrmode, ULONG overscan, unsigned char *linedeltatab) {
	int i;
	char *s;

	c2p_OpenCatalog(defstr);

	if(!(GfxBase=(struct GfxBase *)OpenLibrary("graphics.library",39))) return(STR(MSG_ERRGRAPHICS));
	if(!(IntuitionBase=(struct IntuitionBase *)OpenLibrary("intuition.library",37))) return(STR(MSG_ERRINTUITION));
	if(!(GadToolsBase=OpenLibrary("gadtools.library",37))) return(STR(MSG_ERRGADTOOLS));
	if(!(LayersBase=OpenLibrary("layers.library",33))) return(STR(MSG_ERRLAYERS));

	/* Set up pointer
	 */
	if(NULL==(mypntchip0=AllocVec((POINTERHEIGHT+1)*2,MEMF_CHIP))) return(STR(MSG_NOMEM));
	if(NULL==(mypntchip1=AllocVec((POINTERHEIGHT+1)*2,MEMF_CHIP))) return(STR(MSG_NOMEM));
	CopyMem(pointerp0,mypntchip0,2*POINTERHEIGHT);
	CopyMem(pointerp1,mypntchip1,2*POINTERHEIGHT);
    InitBitMap(&mybmap,2,16,POINTERHEIGHT);
    mybmap.Planes[0]=(PLANEPTR)mypntchip0;
    mybmap.Planes[1]=(PLANEPTR)mypntchip1;
    mypointer=NewObject(NULL,"pointerclass",
		POINTERA_BitMap, (ULONG)&mybmap,
		POINTERA_XOffset, -6,
		POINTERA_WordWidth, 1,
		POINTERA_XResolution, POINTERXRESN_SCREENRES,
		POINTERA_YResolution, POINTERYRESN_SCREENRES,
		TAG_DONE );
	if(mypointer==NULL) return(STR(MSG_ERRPOINTER));

	/* Get Options
	 */
	Wx=vec.c2p_GetOptionInt("OFFX",0);
	Wy=vec.c2p_GetOptionInt("OFFY",0);
	WTop=vec.c2p_GetOptionInt("WINTOP",-1);
	WLeft=vec.c2p_GetOptionInt("WINLEFT",0);
	WHeight=vec.c2p_GetOptionInt("WINHEIGHT",303);
	WWidth=vec.c2p_GetOptionInt("WINWIDTH",359);
	s=vec.c2p_GetOptionStr("PUBSCREEN","Workbench");
	for(i=0;s[i]!='\0';i++);
	if(NULL==(WPubName=AllocVec(i+2,MEMF_ANY))) return(STR(MSG_NOMEM));
	CopyMem(s,WPubName,i+1);

	return(initgfx());
} // minit


void SAVEDS mfree(void) {
	freegfx();
	if(mypntchip0) { FreeVec(mypntchip0); mypntchip0=NULL; }
	if(mypntchip1) { FreeVec(mypntchip1); mypntchip1=NULL; }
    if(mypointer) { DisposeObject(mypointer); mypointer=NULL; }
	if(GfxBase) CloseLibrary((struct Library *)GfxBase);
	if(IntuitionBase) { CloseLibrary((struct Library *)IntuitionBase); IntuitionBase=NULL; }
	if(GadToolsBase) { CloseLibrary(GadToolsBase); GadToolsBase=NULL; }
	if(LayersBase) CloseLibrary(LayersBase);
	c2p_CloseCatalog();
	return;
} // free


static INLINE int handleinput() {
	struct IntuiMessage *imsg;
	struct MenuItem *n;
	int ret=RET_OK,move=0,lastx=0,lasty=0;
	int (*func)(struct IntuiMessage *);

	while((imsg=(struct IntuiMessage *)RemHead(&vec.c2p_MsgList))) {
		switch(imsg->Class) {
			case IDCMP_CLOSEWINDOW :
				ret=RET_QUIT;
				break;
			case IDCMP_NEWSIZE :
				calcwinsizes();
				break;
			case IDCMP_MENUPICK :
				while(imsg->Code!=MENUNULL) {
					n=ItemAddress(mMenus,imsg->Code);
					func=(void *)(GTMENUITEM_USERDATA(n));
					ret=func(imsg);
					if(ret==RET_NEWWIN||ret==RET_ERROR) return(ret);
					imsg->Code=n->NextSelect;
				}
				break;
			case IDCMP_MOUSEBUTTONS :
				if(imsg->Code==SELECTDOWN) {
					move=1;
					lastx=imsg->MouseX;
					lasty=imsg->MouseY;
				} else move=0;
				break;
		}
	}

	/* Handle Drag Window
	 */
	if(move!=0) {
		int mx,my,class,t1,t2;

		ReportMouse(TRUE,win);
		SetWindowPointer(win,WA_Pointer,(ULONG)mypointer,TAG_DONE);
		while(move!=0) {
			WaitPort(win->UserPort);
			imsg=(struct IntuiMessage *)GetMsg(win->UserPort);
			mx=imsg->MouseX;
			my=imsg->MouseY;
			class=imsg->Class;
			ReplyMsg((struct Message *)imsg);
			switch(class) {
				case IDCMP_MOUSEBUTTONS :
					move=0;
					break;
				case IDCMP_MOUSEMOVE :
					offx+=lastx-mx;	offy+=lasty-my;
					t1=mx;			t2=my;
					mx=lastx-mx;	my=lasty-my;
					lastx=t1;		lasty=t2;
					if(offx<0)		{ mx-=offx; offx=0; }
					if(offx>maxx)	{ mx-=offx-maxx; offx=maxx; }
					if(offy<0)		{ my-=offy; offy=0; }
					if(offy>maxy)	{ my-=offy-maxy; offy=maxy; }
					ScrollLayer(0,win->RPort->Layer,mx,my);
					break;
			}
		}
		SetWindowPointer(win,TAG_DONE);
		ReportMouse(FALSE,win);
	}

	return(ret);
} // handleinput


int SAVEDS mdo(unsigned char *chunky,unsigned char *delta,int numscreen) {
	int ret;

	ret=handleinput();
	if(ret!=RET_NEWWIN||ret!=RET_ERROR) {
		convfullasm(chunky,planar);
		LockLayerRom(win->RPort->Layer);
		CopySBitMap(win->RPort->Layer);
		UnlockLayerRom(win->RPort->Layer);
	}
	return(ret);
} // do


int SAVEDS mdofull(unsigned char *chunky,int numscreen) {
	int ret;

	ret=handleinput();
	if(ret!=RET_NEWWIN||ret!=RET_ERROR) {
		convfullasm(chunky,planar);
		LockLayerRom(win->RPort->Layer);
		CopySBitMap(win->RPort->Layer);
		UnlockLayerRom(win->RPort->Layer);
	}
	return(ret);
} // dofull


int SAVEDS mdont(void) {
	int ret;

	/* handle input
	 */
	ret=handleinput();
	return(ret);
} // dont


void SAVEDS msleep(void) {
	if(win) {
		InitRequester(&InvisibleRequester);
		Request(&InvisibleRequester,win);
		SetWindowPointer(win,WA_BusyPointer,TRUE,TAG_DONE);
		winsleeped=1;
	}
}


void SAVEDS mawake(void) {
	if(winsleeped) {
		if(win) {
			EndRequest(&InvisibleRequester,win);
			SetWindowPointerA(win,NULL);
			winsleeped=0;
		}
	}
}