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newrpl/firmware/hal_screen.c
claudio bbbcfc7f33 Added edit objects in cmd line.
2015-06-04 22:38:53 -04:00

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#include <newrpl.h>
#include <ui.h>
#include <libraries.h>
// THIS IS THE MAIN STABLE API TO ACCESS THE SCREEN
// SET TO SHOW/HIDE THE NOTIFICATION ICON
void halSetNotification(enum halNotification type,int color)
{
if(type<N_DISKACCESS) {
unsigned char *scrptr=(unsigned char *)MEM_PHYS_SCREEN;
scrptr+=65;
scrptr+=type*80;
*scrptr=(*scrptr&0xf)|(color<<4);
return;
}
else {
// TODO: DRAW CUSTOM ICONS INTO THE STATUS AREA FOR ALL OTHER ANNUNCIATORS
}
}
int halGetNotification(enum halNotification type)
{
if(type<N_DISKACCESS) {
unsigned char *scrptr=(unsigned char *)MEM_PHYS_SCREEN;
scrptr+=65;
scrptr+=type*80;
return *scrptr>>4;
}
else {
// TODO: IMPLEMENT CUSTOM ANNUNCIATORS
}
return 0;
}
void halSetStackHeight(int h)
{
int total;
halScreen.Stack=h;
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
if(total!=SCREEN_HEIGHT) {
if(halScreen.Form) { halScreen.Form+=SCREEN_HEIGHT-total; halScreen.DirtyFlag|=FORM_DIRTY; }
else halScreen.Stack=SCREEN_HEIGHT-halScreen.CmdLine-halScreen.Menu1-halScreen.Menu2;
if(halScreen.Form<0) {
halScreen.Stack+=halScreen.Form;
halScreen.Form=0;
}
}
halScreen.DirtyFlag|=STACK_DIRTY;
}
void halSetFormHeight(int h)
{
int total;
if(h<0) h=0;
halScreen.Form=h;
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
if(total!=SCREEN_HEIGHT) {
if(halScreen.Stack) { halScreen.Stack+=SCREEN_HEIGHT-total; halScreen.DirtyFlag|=STACK_DIRTY; }
else halScreen.Form=SCREEN_HEIGHT-halScreen.CmdLine-halScreen.Menu1-halScreen.Menu2;
if(halScreen.Stack<0) {
halScreen.Form+=halScreen.Stack;
halScreen.Stack=0;
}
}
halScreen.DirtyFlag|=FORM_DIRTY;
}
// MENU1 AREA IS USUALLY FIXED TO 1 LINE, BUT THIS IS GENERIC CODE
void halSetMenu1Height(int h)
{
int total;
if(h<0) h=0;
halScreen.Menu1=h;
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
while(total!=SCREEN_HEIGHT) {
// STRETCH THE STACK FIRST (IF ACTIVE), THEN FORM
if(halScreen.Stack) {
halScreen.Stack+=SCREEN_HEIGHT-total;
halScreen.DirtyFlag|=STACK_DIRTY;
if(halScreen.Stack<0) halScreen.Stack=0;
}
else {
halScreen.Form+=SCREEN_HEIGHT-total;
halScreen.DirtyFlag|=FORM_DIRTY;
if(halScreen.Form<0) {
halScreen.Menu1+=halScreen.Form;
halScreen.Form=0;
}
}
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
}
halScreen.DirtyFlag|=MENU1_DIRTY;
}
void halSetMenu2Height(int h)
{
int total;
if(h<0) h=0;
halScreen.Menu2=h;
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
while(total!=SCREEN_HEIGHT) {
// STRETCH THE STACK FIRST (IF ACTIVE), THEN FORM
if(halScreen.Stack) {
halScreen.Stack+=SCREEN_HEIGHT-total;
halScreen.DirtyFlag|=STACK_DIRTY;
if(halScreen.Stack<0) halScreen.Stack=0;
}
else {
halScreen.Form+=SCREEN_HEIGHT-total;
halScreen.DirtyFlag|=FORM_DIRTY;
if(halScreen.Form<0) {
halScreen.Menu2+=halScreen.Form;
halScreen.Form=0;
}
}
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
}
halScreen.DirtyFlag|=MENU2_DIRTY|STAREA_DIRTY;
}
void halSetCmdLineHeight(int h)
{
int total;
if(h<0) h=0;
halScreen.CmdLine=h;
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
while(total!=SCREEN_HEIGHT) {
// STRETCH THE STACK FIRST (IF ACTIVE), THEN FORM
if(halScreen.Stack) {
halScreen.Stack+=SCREEN_HEIGHT-total;
halScreen.DirtyFlag|=STACK_DIRTY;
if(halScreen.Stack<0) halScreen.Stack=0;
}
else {
halScreen.Form+=SCREEN_HEIGHT-total;
halScreen.DirtyFlag|=FORM_DIRTY;
if(halScreen.Form<0) {
halScreen.Menu2+=halScreen.Form;
halScreen.Form=0;
}
}
total=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1+halScreen.Menu2;
}
halScreen.DirtyFlag|=CMDLINE_DIRTY;
}
// COMPUTE HEIGHT AND WIDTH OF OBJECT TO DISPLAY ON STACK
BINT halGetDispObjectHeight(WORDPTR object,UNIFONT *font)
{
UNUSED_ARGUMENT(object);
// TODO: ADD MULTILINE OBJECTS, ETC.
return font->BitmapHeight;
}
extern const UBINT64 const powersof10[20];
// CONVERT INTEGER NUMBER INTO STRING FOR STACK LEVEL
// str MUST CONTAIN AT LEAST 15: BYTES "-1,345,789,123[NULL]"
void halInt2String(int num,char *str)
{
int pow10idx=9; // START WITH 10^10
int digit,firstdigit;
char *ptr=str;
if(num<0) { *ptr++='-'; num=-num; }
firstdigit=1;
do {
digit=0;
while((UBINT64)num>=powersof10[pow10idx]) { ++digit; num-=powersof10[pow10idx]; }
if(!( (digit==0) && firstdigit)) {
*ptr++=digit+'0';
firstdigit=0;
}
++pow10idx;
} while(num!=0);
if(firstdigit) *ptr++='0';
*ptr=0;
}
void halRedrawStack(DRAWSURFACE *scr)
{
if(halScreen.Stack==0) {
halScreen.DirtyFlag&=~STACK_DIRTY;
return;
}
int ystart=halScreen.Form,yend=ystart+halScreen.Stack;
int depth=rplDepthData(),level=1;
int objheight,ytop,y,numwidth,xright,xobj;
char num[16];
WORDPTR string;
BINT nchars;
BYTEPTR charptr;
UNIFONT *levelfnt;
y=yend;
while(y>ystart) {
if(level==1) levelfnt=halScreen.Stack1Font;
else levelfnt=halScreen.StackFont;
// DRAW THE NUMBER
if(level<=depth) objheight=halGetDispObjectHeight(rplPeekData(level),levelfnt);
else {
objheight=levelfnt->BitmapHeight;
}
ytop=y-objheight;
halInt2String(level,num);
numwidth=StringWidth(num,levelfnt);
xright=numwidth>12? numwidth:12;
ggl_cliprect(scr,scr->clipx,ytop,scr->clipx2,y-1,0); // CLEAR RECTANGLE
DrawText(xright-numwidth,ytop,num,levelfnt,0xf,scr);
ggl_vline(scr,xright,ytop,y-1,ggl_mkcolor(0x8));
if(level<=depth) {
// DRAW THE OBJECT
// TODO: CHANGE DECOMPILE INTO PROPER DISPLAY FUNCTION
string=rplDecompile(rplPeekData(level),0);
if(string) {
// NOW PRINT THE STRING OBJECT
nchars=rplStrSize(string);
charptr=(BYTEPTR) (string+1);
numwidth=StringWidthN((char *)charptr,(char *)charptr+nchars,levelfnt);
xobj=SCREEN_WIDTH-numwidth;
if(xobj<=xright) {
xobj=xright+1;
// TODO: OBJECT WILL BE TRUNCATED ON THE RIGHT
}
DrawTextN(xobj,ytop,(char *)charptr,(char *)charptr+nchars,levelfnt,15,scr);
}
else {
DrawText(SCREEN_WIDTH-44,ytop,"~~Unknown~~",levelfnt,15,scr);
}
}
y=ytop;
++level;
}
halScreen.DirtyFlag&=~STACK_DIRTY;
}
// INITIALIZE DEFAULT SCREEN PARAMETERS
void halInitScreen()
{
halScreen.CmdLine=0;
halScreen.Menu1=7;
halScreen.Menu2=13;
halScreen.Stack=1;
halSetFormHeight(0);
halScreen.DirtyFlag=STACK_DIRTY|MENU1_DIRTY|MENU2_DIRTY;
halScreen.SAreaTimer=0;
halScreen.CursorTimer=-1;
halScreen.KeyContext=CONTEXT_STACK;
halScreen.FormFont=halScreen.StackFont=halScreen.Stack1Font=(UNIFONT *)Font_7A;
halScreen.MenuFont=(UNIFONT *)Font_5C;
halScreen.StAreaFont=(UNIFONT *)Font_6A;
halScreen.CmdLineFont=(UNIFONT *)Font_7A;
halSetNotification(N_LEFTSHIFT,0);
halSetNotification(N_RIGHTSHIFT,0);
halSetNotification(N_ALPHA,0);
halSetNotification(N_LOWBATTERY,0);
halSetNotification(N_HOURGLASS,0);
halSetNotification(N_DISKACCESS,0);
// NOT NECESSARILY PART OF HALSCREEN, BUT INITIALIZE THE COMMAND LINE
uiCloseCmdLine();
}
// REDRAW THE VARS MENU
void halRedrawMenu1(DRAWSURFACE *scr)
{
if(halScreen.Menu1==0) {
halScreen.DirtyFlag&=~MENU1_DIRTY;
return;
}
// TODO: EVERYTHING, SHOW EMPTY MENU FOR NOW
int ytop,ybottom;
ytop=halScreen.Form+halScreen.Stack+halScreen.CmdLine;
ybottom=ytop+halScreen.Menu1-1;
// DRAW BACKGROUND
ggl_rect(scr,0,ytop,SCREEN_WIDTH-1,ybottom-1,ggl_mkcolor(0xf));
ggl_hline(scr,ybottom,0,SCREEN_WIDTH-1,0);
ggl_vline(scr,21,ytop,ybottom,0);
ggl_vline(scr,43,ytop,ybottom,0);
ggl_vline(scr,65,ytop,ybottom,0);
ggl_vline(scr,87,ytop,ybottom,0);
ggl_vline(scr,109,ytop,ybottom,0);
halScreen.DirtyFlag&=~MENU1_DIRTY;
}
// REDRAW THE OTHER MENU
void halRedrawMenu2(DRAWSURFACE *scr)
{
if(halScreen.Menu2==0) {
halScreen.DirtyFlag&=~MENU2_DIRTY;
return;
}
// TODO: EVERYTHING, SHOW EMPTY MENU FOR NOW
int ytop,ybottom;
ytop=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1;
ybottom=ytop+halScreen.Menu2-1;
// DRAW BACKGROUND
ggl_rect(scr,0,ytop,64,ybottom,ggl_mkcolor(0x8));
ggl_vline(scr,21,ytop,ybottom,0);
ggl_vline(scr,43,ytop,ybottom,0);
ggl_vline(scr,65,ytop,ybottom,0);
// ggl_vline(scr,87,ytop,ybottom,0);
// ggl_vline(scr,109,ytop,ybottom,0);
ggl_hline(scr,ytop+6,0,64,0);
halScreen.DirtyFlag&=~MENU2_DIRTY;
}
void halRedrawStatus(DRAWSURFACE *scr)
{
if(halScreen.Menu2) {
int ytop=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1;
ggl_rect(scr,STATUSAREA_X,ytop,SCREEN_WIDTH-1,ytop+halScreen.Menu2-1,0);
}
// TODO: SHOW THE CURRENT DIR, ETC. HERE
halScreen.DirtyFlag&=~STAREA_DIRTY;
}
void halRedrawCmdLine(DRAWSURFACE *scr)
{
if(halScreen.CmdLine) {
int ytop=halScreen.Form+halScreen.Stack;
if((halScreen.DirtyFlag&CMDLINE_ALLDIRTY)==CMDLINE_ALLDIRTY) {
ggl_rect(scr,0,ytop,SCREEN_WIDTH-1,ytop+halScreen.CmdLine-1,0);
ggl_hline(scr,ytop,0,SCREEN_WIDTH-1,0xf0f0f0f0);
}
BINT y=(halScreen.LineCurrent-halScreen.LineVisible)*halScreen.CmdLineFont->BitmapHeight;
BYTEPTR cmdline=(BYTEPTR) (CmdLineCurrentLine+1);
BINT nchars=rplStrSize(CmdLineCurrentLine);
// TODO: SHOW OTHER LINES HERE
if(halScreen.DirtyFlag&CMDLINE_LINEDIRTY) {
// UPDATE THE CURRENT LINE
BINT linelen=StringWidthN((char *)cmdline,(char *)cmdline+nchars,(UNIFONT *)halScreen.CmdLineFont);
DrawTextBkN(-halScreen.XVisible,ytop+2+y,(char *)cmdline,(char *)cmdline+nchars,(UNIFONT *)halScreen.CmdLineFont,0xf,0x0,scr);
// CLEAR UP TO END OF LINE
ggl_cliprect(scr,-halScreen.XVisible+linelen,ytop+2+y,SCREEN_W-1,ytop+2+y+halScreen.CmdLineFont->BitmapHeight-1,0);
}
if(halScreen.DirtyFlag&CMDLINE_CURSORDIRTY) {
// DRAW THE CURSOR
if(!(halScreen.CursorState&0x8000)) DrawTextBkN(halScreen.CursorX-halScreen.XVisible,ytop+2+y,(char *)&halScreen.CursorState,((char *)&halScreen.CursorState)+1,(UNIFONT *)halScreen.CmdLineFont,0x0,0xf,scr);
else {
scr->clipx=halScreen.CursorX-halScreen.XVisible;
scr->clipx2=scr->clipx+8; // HARD CODED MAXIMUM WIDTH OF THE CURSOR
if(scr->clipx2>=SCREEN_WIDTH) scr->clipx2=SCREEN_WIDTH-1;
ggl_cliprect(scr,halScreen.CursorX-halScreen.XVisible,ytop+2+y,halScreen.CursorX-halScreen.XVisible+StringWidthN((char *)&halScreen.CursorState,((char *)&halScreen.CursorState)+1,halScreen.CmdLineFont)-1,ytop+2+y+halScreen.CmdLineFont->BitmapHeight-1,0);
// EITHER DON'T DRAW IT OR REDRAW THE PORTION OF COMMAND LINE UNDER THE CURSOR
if(!(halScreen.DirtyFlag&CMDLINE_LINEDIRTY))
{
// UPDATE THE CURRENT LINE
BINT linelen=StringWidthN((char *)cmdline,(char *)cmdline+nchars,(UNIFONT *)halScreen.CmdLineFont);
// THE LINE WAS NOT UPDATED, MEANS WE ARE UPDATING ONLY THE CURSOR
// UPDATE THE CURRENT LINE
DrawTextBkN(-halScreen.XVisible,ytop+2+y,(char *)cmdline,(char *)cmdline+nchars,(UNIFONT *)halScreen.CmdLineFont,0xf,0x0,scr);
// CLEAR UP TO END OF LINE
ggl_cliprect(scr,-halScreen.XVisible+linelen,ytop+2+y,SCREEN_WIDTH-1,ytop+2+y+halScreen.CmdLineFont->BitmapHeight-1,0);
}
// RESET THE CLIPPING RECTANGLE BACK TO WHOLE SCREEN
scr->clipx=0;
scr->clipx2=SCREEN_WIDTH-1;
scr->clipy=0;
scr->clipy2=SCREEN_HEIGHT-1;
}
}
}
halScreen.DirtyFlag&=~CMDLINE_ALLDIRTY;
}
void halForceRedrawAll(DRAWSURFACE *scr)
{
halRedrawStack(scr);
halRedrawCmdLine(scr);
halRedrawMenu1(scr);
halRedrawMenu2(scr);
halRedrawStatus(scr);
}
void halRedrawAll(DRAWSURFACE *scr)
{
if(halScreen.DirtyFlag&STACK_DIRTY) halRedrawStack(scr);
if(halScreen.DirtyFlag&CMDLINE_ALLDIRTY) halRedrawCmdLine(scr);
if(halScreen.DirtyFlag&MENU1_DIRTY) halRedrawMenu1(scr);
if(halScreen.DirtyFlag&MENU2_DIRTY) halRedrawMenu2(scr);
if(halScreen.DirtyFlag&STAREA_DIRTY) halRedrawStatus(scr);
}
void status_popup_handler()
{
DRAWSURFACE scr;
ggl_initscr(&scr);
halRedrawMenu2(&scr);
halRedrawStatus(&scr);
halScreen.SAreaTimer=0;
}
// WILL KEEP THE STATUS AREA AS-IS FOR 5 SECONDS, THEN REDRAW IT
// TO CLEAN UP POP-UP MESSAGES
void halStatusAreaPopup()
{
if(halScreen.SAreaTimer) {
tmr_eventkill(halScreen.SAreaTimer);
//tmr_eventpause(halScreen.SAreaTimer);
//tmr_eventresume(halScreen.SAreaTimer); // PAUSE/RESUME WILL RESTART THE 5 SECOND COUNT
//return;
}
halScreen.SAreaTimer=tmr_eventcreate(&status_popup_handler,5000,0);
}
// WILL KEEP THE STATUS AREA AS-IS FOR 5 SECONDS, THEN REDRAW IT
// TO CLEAN UP POP-UP MESSAGES
void halErrorPopup()
{
if(halScreen.SAreaTimer) {
tmr_eventkill(halScreen.SAreaTimer);
//tmr_eventpause(halScreen.SAreaTimer);
//tmr_eventresume(halScreen.SAreaTimer); // PAUSE/RESUME WILL RESTART THE 5 SECOND COUNT
//return;
}
halScreen.SAreaTimer=tmr_eventcreate(&status_popup_handler,5000,0);
}
// DISPLAY AN ERROR BOX FOR 5 SECONDS WITH AN ERROR MESSAGE
// USES ERROR CODE FROM SYSTEM Exceptions
struct error_message {
unsigned int num;
const char *string;
} const error_table[]={
{ 0x00000001,"Panic Exit"},
{ 0x00000002,"BreakPoint"},
{ 0x00000004,"Bad opcode"},
{ 0x00000008,"Out of memory"}, // WILL CHANGE IN THE FUTURE
{ 0x00000010,"Circular Reference"}, // WILL CHANGE IN THE FUTURE
{ 0x00000020,"????"}, // WILL CHANGE IN THE FUTURE
{ 0x00000040,"Empty stack"},
{ 0x00000080,"Empty return rtack"},
{ 0x00000100,"Syntax error"},
{ 0x00000200,"Undefined"},
{ 0x00000400,"Bad argument count"},
{ 0x00000800,"Bad argument type"},
{ 0x00001000,"Bad argument value"},
{ 0x00002000,"Undefined variable"},
{ 0x00004000,"Directory not empty"},
{ 0x00008000,"Invalid Dimension"},
// THESE ARE MPDECIMAL ERRORS
{ 0x00010000,"Clamped exponent"},
{ 0x00020000,"Conversion syntax"},
{ 0x00040000,"Division by zero"},
{ 0x00080000,"Division impossible"},
{ 0x00100000,"Division undefined"},
{ 0x00200000,"FPU Error"},
{ 0x00400000,"Inexact"},
{ 0x00800000,"Invalid context"},
{ 0x01000000,"Invalid operation"},
{ 0x02000000,"Internal out of memory"},
{ 0x04000000,"Not implemented"},
{ 0x08000000,"Overflow"},
{ 0x10000000,"Rounded"},
{ 0x20000000,"Subnormal"},
{ 0x40000000,"Underflow"},
{ 0x80000000,"Undefined error??"},
};
void halShowErrorMsg()
{
int errbit;
if(!Exceptions) return;
WORD error=Exceptions &((Context.traps<<16)|0xffff);
DRAWSURFACE scr;
ggl_initscr(&scr);
BINT ytop=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1;
// CLEAR MENU2 AND STATUS AREA
ggl_rect(&scr,0,ytop,SCREEN_WIDTH-1,ytop+halScreen.Menu2-1,0);
// DO SOME DECORATIVE ELEMENTS
ggl_hline(&scr,ytop+1,1,SCREEN_WIDTH-2,ggl_mkcolor(8));
ggl_hline(&scr,ytop+halScreen.Menu2-1,1,SCREEN_WIDTH-2,ggl_mkcolor(8));
ggl_vline(&scr,1,ytop+2,ytop+halScreen.Menu2-2,ggl_mkcolor(8));
ggl_vline(&scr,SCREEN_WIDTH-2,ytop+2,ytop+halScreen.Menu2-2,ggl_mkcolor(8));
// SHOW ERROR MESSAGE
for(errbit=0;errbit<32;++errbit)
{
if(error_table[errbit].num&error) {
DrawText(3,ytop+3,(char *)error_table[errbit].string,halScreen.StAreaFont,0xf,&scr);
break;
}
}
halErrorPopup();
}
void halShowMsgN(char *Text,char *End)
{
DRAWSURFACE scr;
ggl_initscr(&scr);
BINT ytop=halScreen.Form+halScreen.Stack+halScreen.CmdLine+halScreen.Menu1;
// CLEAR MENU2 AND STATUS AREA
ggl_rect(&scr,0,ytop,SCREEN_WIDTH-1,ytop+halScreen.Menu2-1,0);
// DO SOME DECORATIVE ELEMENTS
ggl_hline(&scr,ytop+1,1,SCREEN_WIDTH-2,ggl_mkcolor(8));
ggl_hline(&scr,ytop+halScreen.Menu2-1,1,SCREEN_WIDTH-2,ggl_mkcolor(8));
ggl_vline(&scr,1,ytop+2,ytop+halScreen.Menu2-2,ggl_mkcolor(8));
ggl_vline(&scr,SCREEN_WIDTH-2,ytop+2,ytop+halScreen.Menu2-2,ggl_mkcolor(8));
// SHOW MESSAGE
DrawTextN(3,ytop+3,Text,End,halScreen.StAreaFont,0xf,&scr);
halErrorPopup();
}
void halShowMsg(char *Text)
{
char *End=Text;
while(*End) ++End;
halShowMsgN(Text,End);
}
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