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MuckyFoot-UrbanChaos/fallen/Source/widget.cpp

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2017-05-20 03:14:17 +02:00
//
// widget.cpp
// Matthew Rosenfeld 24 February 1999
//
// widget provides windows-esque controls such as buttons, checkboxes and stuff
// grouped together into 'forms' (palmpilot style)
//
#include "widget.h"
#include "menufont.h"
#include "drawxtra.h"
#include "sound.h"
#include "MFx.h"
#include "C:\fallen\DDLibrary\headers\D3DTexture.h"
#include "C:\fallen\DDLibrary\headers\GDisplay.h"
#include "interfac.h"
#define RECT_LEFT 1
#define RECT_RIGHT 2
#define RECT_TOP 4
#define RECT_BOTTOM 8
#define WIF_EDIT 1
#define WIF_PASS 2
extern UBYTE InkeyToAscii[];
extern UBYTE InkeyToAsciiShift[];
static SLONG WidgetTick;
static SLONG EatenKey;
struct ListEntry {
CBYTE *text;
ListEntry *next,*prev;
};
/*
Data for the various types:
Button -- data[0] is shrink flag?
Static -- same
Check -- data[0] is tick state
Radio -- as Check, plus data[1] is 'group id'
Input -- data[0] is pointer to text (while in edit mode)
data[1] is edit mode state
data[2] is caret position
data[3] is scroll position
Lists -- data[0] is pointer to string list head
data[1] is keyboard selection mode state
data[2] is pointer to active item (or 0)
data[3] is vertical scroll state
data[4] is index to active item
Texts -- data[0] is pointer to string list head
data[1] is vertical scroll state
data[2] is lines count
data[3] is page length count
Glyph -- data[0] is poly_page
data[1]-data[4] is uvs
Shade -- data[0] is fade-in rate
data[1] is fade-in pos
data[2] is rgb
data[3] is add/sub flag
*/
//---------------------------------------------------------------------------------
// Section The First: Method Prototypes
//
//void BUTTON_Init(Widget *widget);
void BUTTON_Free(Widget *widget);
void BUTTON_Draw(Widget *widget);
void BUTTON_Push(Widget *widget);
BOOL BUTTON_HitTest(Widget *widget, SLONG x, SLONG y);
void STATIC_Init(Widget *widget);
void CHECK_Draw (Widget *widget);
void CHECK_Push (Widget *widget);
void RADIO_Push (Widget *widget);
void INPUT_Init (Widget *widget);
void INPUT_Free (Widget *widget);
void INPUT_Draw (Widget *widget);
BOOL INPUT_Char (Widget *widget, CBYTE key);
SLONG INPUT_Data (Widget *widget, SLONG code, SLONG data1, SLONG data2);
void LISTS_Free (Widget *widget);
void LISTS_Draw (Widget *widget);
BOOL LISTS_Char (Widget *widget, CBYTE key);
SLONG LISTS_Data (Widget *widget, SLONG code, SLONG data1, SLONG data2);
void LISTS_Push (Widget *widget);
void TEXTS_Init (Widget *widget);
void TEXTS_Free (Widget *widget);
void TEXTS_Draw (Widget *widget);
BOOL TEXTS_Char (Widget *widget, CBYTE key);
SLONG TEXTS_Data (Widget *widget, SLONG code, SLONG data1, SLONG data2);
void GLYPH_Draw (Widget *widget);
void SHADE_Draw (Widget *widget);
//---------------------------------------------------------------------------------
// Section The Second: Widget Class Definitions
//
Methods BUTTON_Methods = { 0, BUTTON_Free, BUTTON_Draw, BUTTON_Push, 0, 0, BUTTON_HitTest };
Methods STATIC_Methods = { STATIC_Init, BUTTON_Free, BUTTON_Draw, BUTTON_Push, 0, 0, BUTTON_HitTest };
Methods CHECK_Methods = { 0, BUTTON_Free, CHECK_Draw, CHECK_Push, 0, 0, BUTTON_HitTest };
Methods RADIO_Methods = { 0, BUTTON_Free, CHECK_Draw, RADIO_Push, 0, 0, BUTTON_HitTest };
Methods INPUT_Methods = { INPUT_Init, INPUT_Free, INPUT_Draw, 0, INPUT_Char, INPUT_Data, BUTTON_HitTest };
Methods LISTS_Methods = { 0, LISTS_Free, LISTS_Draw, LISTS_Push, LISTS_Char, LISTS_Data, BUTTON_HitTest };
Methods TEXTS_Methods = { TEXTS_Init, TEXTS_Free, TEXTS_Draw, 0, TEXTS_Char, TEXTS_Data, BUTTON_HitTest };
Methods GLYPH_Methods = { 0, BUTTON_Free, GLYPH_Draw, BUTTON_Push, 0, 0, BUTTON_HitTest };
Methods SHADE_Methods = { 0, BUTTON_Free, SHADE_Draw, 0, 0, 0, 0 };
//---------------------------------------------------------------------------------
// Section The Third: Utility & "base class" Methods
//
#define _WS_MOVE S_MENU_START
#define _WS_FADEIN S_MENU_START+2
#define _WS_FADEOUT S_MENU_START+1
#define _WS_OK S_MENU_END
#define _WS_FAIL S_MENU_END-1
#define _WS_BLIP S_MENU_START+3
void WIDGET_snd(SLONG snd) {
switch(snd) {
case WS_MOVE: snd=_WS_MOVE; break;
case WS_FADEOUT: snd=_WS_FADEOUT; break;
case WS_FADEIN: snd=_WS_FADEIN; break;
case WS_OK: snd=_WS_OK; break;
case WS_FAIL: snd=_WS_FAIL; break;
case WS_BLIP: snd=_WS_BLIP; break;
}
// play_ambient_wave(snd,0,0,256,1);
MFX_play_ambient(0,snd,MFX_REPLACE);
}
inline SLONG ShiftAlpha(ULONG rgba, SBYTE shift) {
return (rgba&0xffffff)|((rgba>>shift)&0xFF000000);
}
inline SLONG AlterAlpha(ULONG rgba, ULONG alpha) {
return (rgba&0xffffff)|((alpha&0xff)<<24);
}
void WIDGET_Rect(SLONG x, SLONG y, SLONG ox, SLONG oy, ULONG rgb, UBYTE inverse=0, UBYTE flags=RECT_LEFT|RECT_RIGHT|RECT_BOTTOM|RECT_TOP) {
if (flags&RECT_TOP) {
DRAW2D_Box(x+3,y,ox-3,y+3,rgb,inverse);
DRAW2D_Tri(x,y+3,x+3,y,x+3,y+3,rgb,inverse);
DRAW2D_Tri(ox-3,y,ox-3,y+3,ox,y+3,rgb,inverse);
}
if (flags&RECT_BOTTOM) {
DRAW2D_Box(x+3,oy-3,ox-3,oy,rgb,inverse);
DRAW2D_Tri(x,oy-3,x+3,oy,x+3,oy-3,rgb,inverse);
DRAW2D_Tri(ox-3,oy-3,ox-3,oy,ox,oy-3,rgb,inverse);
}
if (flags&RECT_LEFT) {
DRAW2D_Box(x,y+3,x+3,oy-3,rgb,inverse);
}
if (flags&RECT_RIGHT) {
DRAW2D_Box(ox-3,y+3,ox,oy-3,rgb,inverse);
}
/* SLONG dx,dy,sx,sy,lx,ly,dummy;
dx=ox-x; dy=oy-y;
MENUFONT_Dimensions("_",sx,sy); sx-=1; sy-=1; // borders
dy-=sy;
MENUFONT_Dimensions("|",dummy,sy); sy-=1;
lx=dx/sx;
lx-=2;
ly=dy/sy;
oy=ly*sy;
MENUFONT_Draw(x,y,256,"{",rgb,0);
MENUFONT_Draw(x,oy,256,"[",rgb,0);
dx=x;
while (lx--) {
dx+=sx;
MENUFONT_Draw(dx,y,256,"_",rgb,0);
MENUFONT_Draw(dx,oy,256,"_",rgb,0);
}
dx+=sx;
MENUFONT_Draw(dx,y,256,"}",rgb,0);
MENUFONT_Draw(dx,oy,256,"]",rgb,0);*/
}
void WIDGET_Free(Widget *widget) {
if (widget->caption) MemFree(widget->caption);
if (widget->form) FORM_DelWidget(widget);
MemFree(widget);
}
//---------------------------------------------------------------------------------
// Section The Fourth: Methods
//
// -- buttons --
/*
void BUTTON_Init(Widget *widget) {
}
*/
void BUTTON_Free(Widget *widget) {
WIDGET_Free(widget);
}
void BUTTON_Draw(Widget *widget) {
SLONG flags=0, localctr=widget->form->age*8;
ULONG rgb=widget->form->textcolour;
WidgetPoint wp = WIDGET_Centre(widget);
UBYTE shift = widget->data[0];
if (!widget->caption) return;
// flags|=(widget->state&WIDGET_STATE_FOCUS) ? MENUFONT_GLIMMER : 0;
// flags|=(widget->state&WIDGET_STATE_FOCUS) ? MENUFONT_SHAKE : 0;
if (widget->state&WIDGET_STATE_FOCUS) rgb=AlterAlpha(rgb,0xff);
if (widget->state&WIDGET_STATE_DISABLED) rgb=((rgb>>1)&0xFF000000) | (rgb&0xFFFFFF);
if (!(widget->state&WIDGET_STATE_ALIGNLEFT))
flags|=MENUFONT_CENTRED;
else
wp.x=widget->x+widget->form->x;
if (localctr<0x1ff) {
flags |= MENUFONT_HSCALEONLY;
if (localctr<0xff) {
MENUFONT_Draw_floats(wp.x,wp.y,localctr>>shift,widget->caption,AlterAlpha(rgb,localctr),flags);
return;
} else {
MENUFONT_Draw_floats(wp.x,wp.y,localctr>>shift,widget->caption,AlterAlpha(rgb,(0x1ff-localctr)>>1),flags);
}
}
MENUFONT_Draw(wp.x,wp.y,256>>shift,(CBYTE*)widget->caption,rgb,flags);
}
void BUTTON_Push(Widget *widget) {
// buttons don't do anything except notify when pushed
if (widget->form->proc) widget->form->proc(widget->form,widget,WBN_PUSH);
}
BOOL BUTTON_HitTest(Widget *widget, SLONG x, SLONG y) {
WidgetPoint pt;
pt = FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
if ((x<pt.x)||(y<pt.y)) return 0;
pt = FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
if ((x>pt.x)||(y>pt.y)) return 0;
return 1;
}
// -- statics --
void STATIC_Init(Widget *widget) {
widget->state|=WIDGET_STATE_BLOCKFOCUS|WIDGET_STATE_ALIGNLEFT;
}
// -- check boxes & radio buttons --
void CHECK_Draw(Widget *widget) {
SLONG flags=0;
ULONG rgb=widget->form->textcolour;
WidgetPoint pt,wp = WIDGET_Centre(widget);
CBYTE check[2] = {0,0};
MENUFONT_Dimensions("<EFBFBD>",pt.x,pt.y);
wp.x=widget->x+pt.x+6+widget->form->x;
if (!widget->caption) return;
flags|=(widget->state&WIDGET_STATE_FOCUS) ? MENUFONT_GLIMMER : 0;
if (widget->state&WIDGET_STATE_DISABLED) rgb=((rgb>>1)&0xFF000000) | (rgb&0xFFFFFF);
if (widget->methods->Push==CHECK_Push)
check[0] = (widget->data[0] ? '<EFBFBD>' : '<EFBFBD>');
else
check[0] = (widget->data[0] ? '<EFBFBD>' : '<EFBFBD>');
MENUFONT_Draw(widget->x+widget->form->x,wp.y,256,check,rgb,flags|MENUFONT_SUPER_YCTR);
MENUFONT_Draw(wp.x,wp.y,256,(CBYTE*)widget->caption,rgb,flags);
}
void CHECK_Push(Widget *widget) {
widget->data[0]^=1;
if (widget->form->proc) widget->form->proc(widget->form,widget,WBN_PUSH);
}
void RADIO_Push(Widget *widget) {
Widget *walk;
widget->data[0]=1;
walk=widget->form->children;
while (walk) {
if ((walk!=widget)&&(walk->methods->Push==RADIO_Push)&&(walk->data[1]==widget->data[1]))
walk->data[0]=0;
walk=walk->next;
}
if (widget->form->proc) widget->form->proc(widget->form,widget,WBN_PUSH);
}
// -- input boxes --
void INPUT_Init(Widget *widget) {
widget->state|=WIDGET_STATE_ALIGNLEFT;
}
void INPUT_Draw (Widget *widget) {
WidgetPoint pt,pt2;
SLONG flags=0, len, xd, yd, w;
ULONG rgb=widget->form->textcolour;
CBYTE *str=0;
pt=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
pt2=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
/* //debug
if (widget->data[1])
MENUFONT_Draw(widget->form->x+10,widget->form->oy-40,128,(CBYTE*)widget->data[0],widget->form->textcolour,0);*/
if (widget->data[1]&WIF_EDIT) {
SLONG dummy,caret=0;
if (widget->data[0]) {
str=(CBYTE*)(widget->data[0]+widget->data[3]);
len=strlen(str);
if (widget->data[1] & WIF_PASS) {
str=(CBYTE*)MemAlloc(len+1);
memset(str,'?',len);
*(str+len)=0;
}
MENUFONT_Dimensions(str,caret,dummy,widget->data[2]-widget->data[3]);
}
dummy=(WidgetTick<<1)&511;
if (dummy>255) dummy=511-dummy;
DRAW2D_Box(pt.x+caret+5,pt.y+4,pt.x+caret+7,pt2.y-4,(rgb&0xFFFFFF)|(dummy<<24),widget->form->inverse);
WIDGET_Rect(pt.x,pt.y,pt2.x,pt2.y,ShiftAlpha(widget->form->textcolour,2),widget->form->inverse);
} else {
flags|=(widget->state&WIDGET_STATE_FOCUS) ? MENUFONT_GLIMMER : 0;
str=widget->caption;
len=strlen(str);
if (widget->data[1] & WIF_PASS) {
str=(CBYTE*)MemAlloc(len+1);
memset(str,'?',len);
*(str+len)=0;
}
}
if (!str) return;
if (widget->state&WIDGET_STATE_DISABLED) rgb=((rgb>>1)&0xFF000000) | (rgb&0xFFFFFF);
if (!(widget->state&WIDGET_STATE_ALIGNLEFT)) flags|=MENUFONT_CENTRED;
MENUFONT_Dimensions(str,xd,yd);
if (xd>(pt2.x-pt.x)-6) { // need to clip
len=MENUFONT_CharFit(str,(widget->ox-widget->x)-6);
MENUFONT_Draw(pt.x+6,pt.y+((widget->oy-widget->y)>>1),256,str,rgb,flags,len);
} else
MENUFONT_Draw(pt.x+6,pt.y+((widget->oy-widget->y)>>1),256,str,rgb,flags);
if (widget->data[1] & WIF_PASS) MemFree(str);
}
void INPUT_caretchk(Widget *widget) {
if (widget->data[2]<widget->data[3]) {
while (widget->data[2]<widget->data[3])
widget->data[3]-=5;
if (widget->data[3]<0) widget->data[3]=0;
} else {
ULONG ctr=MENUFONT_CharFit((CBYTE*)(widget->data[0]+widget->data[3]),(widget->ox-widget->x)-6);
if (ctr<strlen((CBYTE*)(widget->data[0]+widget->data[3])))
while (widget->data[2]-widget->data[3]>ctr) widget->data[3]++;
}
}
BOOL INPUT_Char (Widget *widget, CBYTE key) {
if (widget->state&WIDGET_STATE_DISABLED) return 0;
if (key==13) { // tested seperately -- only key that works in -both- modes
widget->data[1]^=WIF_EDIT;
if (widget->data[1] & WIF_EDIT) {
SLONG sz=strlen(widget->caption)+1;
if (sz<256) sz=256;
widget->data[0]=(SLONG)MemAlloc(sz);
strcpy((CBYTE*)widget->data[0],widget->caption);
widget->data[2]=strlen(widget->caption);
} else {
MemFree(widget->caption);
widget->caption=(CBYTE*)MemAlloc(strlen((CBYTE*)widget->data[0])+1);
strcpy(widget->caption,(CBYTE*)widget->data[0]);
MemFree((CBYTE*)widget->data[0]);
widget->data[0]=0;
if (widget->form->proc) widget->form->proc(widget->form,widget,WIN_ENTER);
}
}
if (!(widget->data[1]&WIF_EDIT)) return 0;
switch(key) {
case 8:
if (widget->data[2]) {
widget->data[2]--;
WIDGET_snd(WS_MOVE);
} else WIDGET_snd(WS_FAIL);
break;
case 9:
if ((unsigned)(widget->data[2])<strlen((CBYTE*)widget->data[0])) {
widget->data[2]++;
WIDGET_snd(WS_MOVE);
} else WIDGET_snd(WS_FAIL);
break;
case 3:
widget->data[2]=0;
WIDGET_snd(WS_MOVE);
break;
case 4:
widget->data[2]=strlen((CBYTE*)widget->data[0]);
WIDGET_snd(WS_MOVE);
break;
case 27:
MemFree((CBYTE*)widget->data[0]);
widget->data[1]&=~WIF_EDIT;
widget->data[0]=0;
WIDGET_snd(WS_FAIL);
break;
case 127:
{
CBYTE *str=(CBYTE*)widget->data[0];
SLONG len=strlen(str);
if (widget->data[2]<1) { WIDGET_snd(WS_FAIL); break; }
WIDGET_snd(WS_MOVE);
memmove(str+widget->data[2]-1,str+widget->data[2],(len+1)-widget->data[2]);
widget->data[2]--;
}
break;
case 5:
{
CBYTE *str=(CBYTE*)widget->data[0];
SLONG len=strlen(str);
if (widget->data[2]>=len) { WIDGET_snd(WS_FAIL); break; }
WIDGET_snd(WS_MOVE);
memmove(str+widget->data[2],str+widget->data[2]+1,(len+1)-widget->data[2]);
}
break;
default:
// if ( ((key>='A')&&(key<='Z')) || ((key>='a')&&(key<='z')) || ((key>='0')&&(key<='9')) || (key==' '))
if ( MENUFONT_CharWidth(key) )
{
CBYTE *str=(CBYTE*)widget->data[0];
SLONG len;
len=strlen(str);
if (len<255)
{
if (widget->data[2]==len) {
*(str+widget->data[2]+1)=0;
} else {
memmove(str+widget->data[2]+1,str+widget->data[2],(len+1)-widget->data[2]);
}
*(str+widget->data[2])=key;
widget->data[2]++;
WIDGET_snd(WS_BLIP);
} else WIDGET_snd(WS_FAIL);
}
break;
}
if (widget->data[1] & WIF_EDIT) INPUT_caretchk(widget);
return widget->data[1] & WIF_EDIT;
}
SLONG INPUT_Data(Widget *widget, SLONG code, SLONG data1, SLONG data2) {
ListEntry *item, *item2;
switch(code) {
case WIM_SETSTRING:
if (widget->data[1] & WIF_EDIT)
strcpy((CBYTE*)widget->data[0],(CBYTE*)data2);
else
strcpy(widget->caption,(CBYTE*)data2);
break;
case WIM_SETMODE:
if (data1) widget->data[1]|=WIF_PASS; else widget->data[1]&=~WIF_PASS;
break;
}
return 0;
}
void INPUT_Free(Widget *widget) {
if (widget->data[0]) MemFree((CBYTE*)widget->data[0]);
WIDGET_Free(widget);
}
// -- text scrolly boxes --
void TEXTS_Init(Widget *widget) {
SLONG xs, ys;
MENUFONT_Dimensions("M",xs,ys); ys>>=1;
widget->data[3]=(widget->oy-widget->y)/ys;
}
void TEXTS_Free(Widget *widget) {
ListEntry *item;
while (widget->data[0]) {
item=(ListEntry*)widget->data[0];
widget->data[0]=(SLONG)item->next;
MemFree(item);
}
WIDGET_Free(widget);
}
void TEXTS_Draw (Widget *widget) {
WidgetPoint pt,pt2,pt3, ctr=WIDGET_Centre(widget);
ListEntry *item, *item2;
SLONG flags,y,ys,yctr=0;
UBYTE shift = widget->state&WIDGET_STATE_FOCUS ? 0 : 1;
ULONG rgb, localctr=widget->form->age*6;
SLONG subctr;
SWORD alpha, offset;
pt =FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
pt2=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
rgb=ShiftAlpha(widget->form->textcolour,shift);
if (localctr<0xff) {
offset=255-localctr;
alpha=(rgb>>24)-offset;
if (alpha<0) alpha=0;
rgb=AlterAlpha(rgb,alpha);
pt.x+=offset; pt.y+=offset;
pt2.x-=offset; pt2.y-=offset;
if (pt.x>ctr.x) pt.x=ctr.x;
if (pt.y>ctr.y) pt.y=ctr.y;
if (pt2.x<ctr.x) pt2.x=ctr.x;
if (pt2.y<ctr.y) pt2.y=ctr.y;
}
// WIDGET_Rect(pt.x,pt.y,pt2.x,pt2.y,rgb,widget->form->inverse);
MENUFONT_Dimensions("M",flags,ys); ys>>=1;
if (widget->data[1]>0) MENUFONT_Draw(pt2.x-12,pt.y+4+(ys>>1),256,"{",rgb,0);
pt3=pt2;
if (localctr<0xff) {
pt =FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
pt2=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
}
item =(ListEntry*)widget->data[0];
y=widget->data[1];
while (y&&item) {
y--; item=item->next;
}
if (localctr<255) return;
y=pt.y+(ys>>1);
while (item&&(y+(ys>>1)<pt2.y-4)) {
subctr=localctr-255;
subctr-=yctr*20;
yctr++;
if (subctr>0) {
// shift=1;
// rgb=ShiftAlpha(widget->form->textcolour,shift);
// nasty brightness bodge
rgb=ShiftAlpha(AlterAlpha(widget->form->textcolour,0xff),shift);
/////////////////////////
if (subctr<0xff) {
alpha=(rgb>>24)-(255-subctr);
if (alpha<0) alpha=0;
rgb=AlterAlpha(rgb,alpha);
}
// MENUFONT_Draw(pt.x+6,y,256,item->text,rgb,0);
MENUFONT_Draw(pt.x+6,y,128,item->text,rgb,0);
}
item=item->next;
y+=ys;
}
if (widget->data[1]<widget->data[2]-widget->data[3]) MENUFONT_Draw(pt3.x-12,pt3.y-9+(ys>>1),256,"}",rgb,0);
}
SLONG TEXTS_Data(Widget *widget, SLONG code, SLONG data1, SLONG data2) {
ListEntry *item, *item2;
switch(code) {
case WTM_ADDSTRING:
item2=(ListEntry*)MemAlloc(sizeof(ListEntry));
memset(item2,0,sizeof(ListEntry));
item2->text=(CBYTE*)MemAlloc(strlen((CBYTE*)data2)+1);
strcpy(item2->text,(CBYTE*)data2);
item=(ListEntry*)widget->data[0];
if (item) while (item->next) item=item->next;
if (!item) {
widget->data[0]=(SLONG)item2;
} else {
item->next=item2;
item2->prev=item;
}
widget->data[2]++;
break;
case WTM_ADDBLOCK:
// wrap string, pass back via WTM_ADDSTRING
{
ULONG chrs, temp;
CBYTE *str, *walk;
CBYTE tmp[_MAX_PATH];
str=(CBYTE*)data2;
walk=str;
while(*walk) { // temporary thingy?
if ((*walk==10)||(*walk==13)) *walk=32;
walk++;
}
while (str) {
chrs=MENUFONT_CharFit(str,(widget->ox-widget->x)-6,128);
if (chrs==strlen(str)) {
TEXTS_Data(widget,WTM_ADDSTRING,0,(SLONG)str);
break;
}
temp=chrs;
while (chrs&&(*(str+chrs)!=32)) {
chrs--;
}
memset(tmp,0,_MAX_PATH);
if (!chrs) {
strncpy(tmp,str,temp);
str+=temp;
TEXTS_Data(widget,WTM_ADDSTRING,0,(SLONG)tmp);
} else {
strncpy(tmp,str,chrs);
TEXTS_Data(widget,WTM_ADDSTRING,0,(SLONG)tmp);
str+=chrs+1;
}
}
}
break;
}
return 0;
}
BOOL TEXTS_Char (Widget *widget, CBYTE key) {
ListEntry *item;
if (widget->state&WIDGET_STATE_DISABLED) return 0;
if (key==13) { // tested seperately -- only key that works in -both- modes
WIDGET_ToggleState(widget,WIDGET_STATE_ACTIVATED);
}
if (key==27) WIDGET_SetState(widget,0,WIDGET_STATE_ACTIVATED);
if (!WIDGET_State(widget,WIDGET_STATE_ACTIVATED)) return 0;
switch(key) {
case 11:
if (widget->data[1]>0) {
widget->data[1]--;
WIDGET_snd(WS_BLIP);
} else WIDGET_snd(WS_FAIL);
break;
case 10:
if (widget->data[1]<=widget->data[2]-widget->data[3]) {
widget->data[1]++;
WIDGET_snd(WS_BLIP);
} else WIDGET_snd(WS_FAIL);
break;
case 3:
widget->data[1]=0;
WIDGET_snd(WS_BLIP);
break;
case 4:
widget->data[1]=widget->data[2];
WIDGET_snd(WS_BLIP);
break;
default:
// we don't process it
return 0;
}
return WIDGET_State(widget,WIDGET_STATE_ACTIVATED);
}
// -- list boxes --
void LISTS_Free(Widget *widget) {
ListEntry *item;
while (widget->data[0]) {
item=(ListEntry*)widget->data[0];
widget->data[0]=(SLONG)item->next;
MemFree(item);
}
WIDGET_Free(widget);
}
void LISTS_Draw (Widget *widget) {
WidgetPoint pt,pt2,pt3, ctr=WIDGET_Centre(widget);
ListEntry *item, *item2;
SLONG flags,y,ys;
UBYTE shift = widget->state&WIDGET_STATE_FOCUS ? 1 : 2;
UBYTE szshift = widget->state&WIDGET_STATE_SHRINKTEXT ? 1 : 0;
ULONG rgb, localctr=widget->form->age*6;
SWORD alpha, offset;
pt =FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
pt2=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
rgb=ShiftAlpha(widget->form->textcolour,shift);
if (localctr<0xff) {
offset=255-localctr;
alpha=(rgb>>24)-offset;
if (alpha<0) alpha=0;
rgb=AlterAlpha(rgb,alpha);
pt.x+=offset; pt.y+=offset;
pt2.x-=offset; pt2.y-=offset;
if (pt.x>ctr.x) pt.x=ctr.x;
if (pt.y>ctr.y) pt.y=ctr.y;
if (pt2.x<ctr.x) pt2.x=ctr.x;
if (pt2.y<ctr.y) pt2.y=ctr.y;
}
WIDGET_Rect(pt.x,pt.y,pt2.x,pt2.y,rgb,widget->form->inverse);
MENUFONT_Dimensions("M",flags,ys); ys>>=szshift;
if (widget->data[3]>0) MENUFONT_Draw(pt2.x-12,pt.y+4+(ys>>1),256,"{",rgb,0);
pt3=pt2;
if (localctr<0xff) {
pt =FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
pt2=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
}
item =(ListEntry*)widget->data[0];
item2=(ListEntry*)widget->data[2];
y=widget->data[3];
while (y&&item) {
y--; item=item->next;
}
y=pt.y+(ys>>1);
while (item&&(y+(ys>>1)<pt2.y-4)) {
flags = ((item==item2) && (widget->data[1])) ? MENUFONT_GLIMMER : 0;
shift=(item==item2)?0:1;
rgb=ShiftAlpha(widget->form->textcolour,shift);
if (localctr<0xff) {
alpha=(rgb>>24)-(255-localctr);
if (alpha<0) alpha=0;
rgb=AlterAlpha(rgb,alpha);
}
MENUFONT_Draw(pt.x+6,y,256>>szshift,item->text,rgb,flags);
item=item->next;
y+=ys;
}
if (item) MENUFONT_Draw(pt3.x-12,pt3.y-9+(ys>>1),256,"}",rgb,0);
}
SLONG LISTS_Data(Widget *widget, SLONG code, SLONG data1, SLONG data2) {
ListEntry *item, *item2;
switch(code) {
case WLM_ADDSTRING:
item2=(ListEntry*)MemAlloc(sizeof(ListEntry));
memset(item2,0,sizeof(ListEntry));
item2->text=(CBYTE*)MemAlloc(strlen((CBYTE*)data2)+1);
strcpy(item2->text,(CBYTE*)data2);
item=(ListEntry*)widget->data[0];
if (item) while (item->next) item=item->next;
if (!item) {
widget->data[0]=widget->data[2]=(SLONG)item2;
} else {
item->next=item2;
item2->prev=item;
}
break;
}
return 0;
}
void LISTS_caretchk(Widget *widget) {
if (widget->data[4]<widget->data[3])
widget->data[3]=widget->data[4];
else {
SLONG dx,dy,rows = (widget->oy-widget->y)-6;
MENUFONT_Dimensions("M",dx,dy); if (widget->state&WIDGET_STATE_SHRINKTEXT) dy>>=1;
rows/=dy;
while (widget->data[4]>=widget->data[3]+rows) widget->data[3]++;
}
}
void LISTS_Push(Widget *widget) {
if (!widget->data[1]) // we're "ok"ing... sorta
if (widget->form->proc) widget->form->proc(widget->form,widget,WLN_ENTER);
}
BOOL LISTS_Char (Widget *widget, CBYTE key) {
ListEntry *item;
if (widget->state&WIDGET_STATE_DISABLED) return 0;
if (key==13) { // tested seperately -- only key that works in -both- modes
widget->data[1]^=1;
/* if (!widget->data[1]) // we're "ok"ing... sorta
if (widget->form->proc) widget->form->proc(widget->form,widget,WLN_ENTER);*/
}
if (key==27) widget->data[1]=0;
if (!widget->data[1]) return 0;
item=(ListEntry*)widget->data[2];
if (!item) return 0;
switch(key) {
case 11:
if (item->prev) {
widget->data[2]=(SLONG)item->prev;
widget->data[4]--;
WIDGET_snd(WS_BLIP);
} else WIDGET_snd(WS_FAIL);
break;
case 10:
if (item->next) {
widget->data[2]=(SLONG)item->next;
widget->data[4]++;
WIDGET_snd(WS_BLIP);
} else WIDGET_snd(WS_FAIL);
break;
case 3:
widget->data[2]=widget->data[0];
widget->data[4]=0;
WIDGET_snd(WS_BLIP);
break;
case 4:
while (item->next) {
item=item->next;
widget->data[4]++;
}
widget->data[2]=(SLONG)item;
WIDGET_snd(WS_BLIP);
break;
default:
// we don't process it
return 0;
}
LISTS_caretchk(widget);
return widget->data[1];
}
// -- glyph buttons --
void GLYPH_Draw (Widget *widget) {
WidgetPoint pt,pt2;
float x,y,ox,oy;
SLONG rgb;
pt =FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
pt2=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
x=(float)widget->data[1] / 256.0f;
y=(float)widget->data[2] / 256.0f;
ox=(float)widget->data[3] / 256.0f;
oy=(float)widget->data[4] / 256.0f;
rgb = (widget->state & WIDGET_STATE_FOCUS) ? 0xFFFFFF7f : 0xFF7fFF7f;
DRAW2D_Sprite(pt.x,pt.y,pt2.x,pt2.y,x,y,ox,oy,widget->data[0],rgb);
}
// -- shaded rect --
void SHADE_Draw (Widget *widget) {
WidgetPoint pt,pt2;
float x,y,ox,oy;
SLONG rgb,a;
pt =FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->x,widget->y));
pt2=FORM_To_Screen(widget->form,TO_WIDGETPNT(widget->ox,widget->oy));
a=widget->data[2]>>24; a-=widget->data[1];
if (a<0) a=0;
rgb=AlterAlpha(widget->data[2],a);
DRAW2D_Box(pt.x,pt.y,pt2.x,pt2.y,rgb,widget->data[3],100);
if (widget->data[1]>0) {
widget->data[1]-=widget->data[0];
if (widget->data[1]<0) widget->data[1]=0;
}
}
//---------------------------------------------------------------------------------
// Section The Fifth: Generic Widget Stuff
//
Widget* WIDGET_Create(Methods *widget_class, SLONG x, SLONG y, SLONG ox, SLONG oy, CBYTE *caption) {
Widget *widget;
widget = (Widget*) MemAlloc(sizeof(Widget));
memset(widget,0,sizeof(Widget));
widget->x=x; widget->y=y; widget->ox=ox; widget->oy=oy;
if (caption) {
widget->caption=(CBYTE*)MemAlloc(strlen(caption)+1);
strcpy(widget->caption,caption);
}
widget->methods=widget_class;
if (widget->methods->Init) widget->methods->Init(widget);
return widget;
}
void WIDGET_menu(Form *form, ...) {
va_list marker;
UBYTE count,i;
SLONG ox=(form->ox-form->x);
SLONG oy=(form->oy-form->y);
SLONG xofs,yofs, pos;
CBYTE* txt;
va_start(marker, form);
count=0;
while (va_arg(marker,CBYTE*)) count++;
va_end(marker);
yofs=oy/count;
va_start(marker, form);
// pos=yofs>>1;
pos=0;
for(i=0;i<count;i++) {
txt=va_arg(marker,CBYTE*);
FORM_AddWidget(form,WIDGET_Create(&BUTTON_Methods,0,pos, ox,pos+40,txt))->tag=i+1;
pos+=yofs;
}
va_end(marker);
}
//---------------------------------------------------------------------------------
// Section The Sixth: Generic Form Stuff
//
Form* FORM_Create(CBYTE *caption, FORM_Proc proc, SLONG x, SLONG y, SLONG ox, SLONG oy, ULONG textcolour) {
Form *form;
form = (Form*) MemAlloc(sizeof(Form));
memset(form,0,sizeof(Form));
strcpy(form->caption,caption);
form->x=x; form->y=y; form->ox=ox; form->oy=oy;
form->proc=proc;
form->textcolour=textcolour;
return form;
}
void FORM_Free(Form* form) {
Widget *last;
while (form->children) {
last=form->children;
form->children=form->children->next;
last->form=0; // saves list headaches
last->methods->Free(last);
}
MemFree(form);
}
Widget* FORM_AddWidget(Form *form, Widget *widget) {
widget->form=form;
widget->next=0;
if (!form->children) // first widget on form
FORM_Focus(form,form->children=widget); // so focus it
else {
widget->prev=form->children; // grab the first widget on the form
while (widget->prev->next) // and walk to the last
widget->prev=widget->prev->next;
widget->prev->next=widget; // it's now our backlink
if (!form->focus) // we don't have focus yet (1st ctl static?)
FORM_Focus(form,widget); // so focus it
}
return widget;
}
void FORM_DelWidget(Widget *widget) {
Form *form=widget->form;
if (widget==form->focus) FORM_Focus(form, widget,-1);
if (widget==form->focus) FORM_Focus(form, 0, 0); // still -- must be the only focusable thing
if (widget->next) widget->next->prev=widget->prev;
if (widget->prev) widget->prev->next=widget->next;
else form->children=widget->next;
widget->prev=widget->next=0;
widget->form=0;
}
inline BOOL FORM_KeyProc(SLONG key) {
if (Keys[key]) {
Keys[key]=0;
EatenKey=1;
return 1;
}
return 0;
}
SLONG FORM_Process(Form* form) {
CBYTE key;
Widget *lastfocus;
static int lastx = 0,lasty = 0;
static int input = 0, lastinput = 0;
static int ticker=0;
if (!form->age)
if (form->children) WIDGET_snd(WS_FADEIN); else WIDGET_snd(WS_FAIL);
WidgetTick++;
form->age++;
if (LastKey) {
key= (Keys[KB_LSHIFT]||Keys[KB_RSHIFT]) ? InkeyToAsciiShift[LastKey] : InkeyToAscii[LastKey] ;
if (key==8) key=127; // heh
if (!key)
switch(LastKey) {
case KB_UP: key=11; break;
case KB_RIGHT: key=9; break;
case KB_LEFT: key=8; break;
case KB_DOWN: key=10; break;
case KB_ESC: key=27; break;
case KB_ENTER: key=13; break;
// arbitrary ones:
case KB_PGUP: key=1; break;
case KB_PGDN: key=2; break;
case KB_HOME: key=3; break;
case KB_END: key=4; break;
case KB_DEL: key=5; break;
}
}
else
key=0;
//#define INPUT_TYPE_JOY (1<<1)
//extern ULONG get_hardware_input(UWORD type);
lastinput=input;
input=get_hardware_input(INPUT_TYPE_JOY);
// TRACE("input: %d\n",input);
if (input&&(input!=lastinput)&&(ticker<1)) {
if (input&(INPUT_MASK_JUMP|INPUT_MASK_KICK|INPUT_MASK_PUNCH|INPUT_MASK_ACTION)) {
key=13;
Keys[KB_ENTER]=1;
}
if (input&INPUT_MASK_FORWARDS) { key=11; Keys[KB_UP]=1; }
if (input&INPUT_MASK_BACKWARDS) { key=10; Keys[KB_DOWN]=1; }
if (input&INPUT_MASK_START) { form->returncode=-69; }
ticker=10;
}
ticker--;
if (key) {
if (form->focus&&form->focus->methods->Char&&form->focus->methods->Char(form->focus,key))
; // swallow the keypress
else {
// default key processing
EatenKey=0;
lastfocus=form->focus;
if (FORM_KeyProc(KB_UP)) { FORM_Focus(form,0,-1); WIDGET_snd(WS_MOVE); }
if (FORM_KeyProc(KB_DOWN)) { FORM_Focus(form,0, 1); WIDGET_snd(WS_MOVE); }
if (FORM_KeyProc(KB_HOME)) { FORM_Focus(form,form->children, 0); WIDGET_snd(WS_MOVE); }
if (FORM_KeyProc(KB_END)) { FORM_Focus(form,form->children, -1); WIDGET_snd(WS_MOVE); }
if (FORM_KeyProc(KB_ENTER)) if (form->focus&&form->focus->methods->Push) form->focus->methods->Push(form->focus);
if (FORM_KeyProc(KB_TAB)&&form->focus) {
if (form->focus->methods->Char) form->focus->methods->Char(form->focus,27);
FORM_Focus(form,0, ShiftFlag ? -1 : 1);
WIDGET_snd(WS_MOVE);
}
if (lastfocus!=form->focus) form->proc(form,0,WFN_FOCUS);
if (LastKey&&form->proc&&!EatenKey) form->proc(form,0,WFN_CHAR);
}
} else {
#ifndef PSX
POINT pt;
SLONG res;
GetCursorPos(&pt);
extern volatile HWND hDDLibWindow;
if(!the_display.IsFullScreen()) ScreenToClient(hDDLibWindow,&pt);
if ((pt.x!=lastx)||(pt.y!=lasty)) {
lastx=pt.x; lasty=pt.y;
Widget *scan=FORM_GetWidgetFromPoint(form,TO_WIDGETPNT(lastx,lasty));
if (scan&&(scan!=form->focus)) {
if (form->focus&&form->focus->methods->Char) form->focus->methods->Char(form->focus,27);
FORM_Focus(form,scan,0);
}
}
res=GetAsyncKeyState(VK_LBUTTON);
if ((res & (1<<15))&&(res&1)) {
Widget *scan=FORM_GetWidgetFromPoint(form,TO_WIDGETPNT(lastx,lasty));
if (scan&&scan->methods->Push) scan->methods->Push(scan);
else
if (scan&&scan->methods->Char) scan->methods->Char(scan,13);
}
#endif
}
LastKey=0;
return form->returncode; // form is processing normally
}
Widget* FORM_GetWidgetFromPoint(Form *form, WidgetPoint pt) {
Widget *scan=form->children;
while (scan) {
if ((!(scan->state&WIDGET_STATE_DISABLED))&&scan->methods->HitTest&&(scan->methods->HitTest(scan,pt.x,pt.y)))
return scan;
scan=scan->next;
}
return 0;
}
void FORM_Draw(Form *form) {
Widget *walk;
/* if (form->caption) {
SLONG dx,dy;
MENUFONT_Dimensions(form->caption,dx,dy); dx+=16;
MENUFONT_Draw(form->x+8,form->y+10,256,(CBYTE*)form->caption,ShiftAlpha(form->textcolour,1),0);
WIDGET_Rect(form->x,form->y,form->x+dx,form->y+23,ShiftAlpha(form->textcolour,2),form->inverse,RECT_TOP|RECT_RIGHT);
WIDGET_Rect(form->x+3,form->y+20,form->ox,form->oy,ShiftAlpha(form->textcolour,2),form->inverse,RECT_TOP|RECT_RIGHT);
WIDGET_Rect(form->x,form->y,form->ox,form->oy,ShiftAlpha(form->textcolour,2),form->inverse,RECT_LEFT|RECT_BOTTOM);
} else {
WIDGET_Rect(form->x,form->y,form->ox,form->oy,ShiftAlpha(form->textcolour,2),form->inverse);
}
*/
walk=form->children;
while (walk) {
walk->methods->Draw(walk);
walk=walk->next;
}
form->proc(form,0,WFN_PAINT);
}
Widget* FORM_Focus(Form *form, Widget *widget, SBYTE direction) {
if (form->focus) WIDGET_SetState(form->focus,0,WIDGET_STATE_FOCUS);
if (!widget) widget=form->focus;
form->focus=widget;
if ((!widget)||((widget->state&(WIDGET_STATE_BLOCKFOCUS|WIDGET_STATE_DISABLED))&&!direction)) return (form->focus=0);
if (direction) {
if (direction==-1) {
if (form->focus->prev)
form->focus=form->focus->prev;
else
while (form->focus->next) form->focus=form->focus->next;
} else {
if (form->focus->next)
form->focus=form->focus->next;
else
while (form->focus->prev) form->focus=form->focus->prev;
}
// the following line may be psx unfriendly in extreme circumstances:
if (form->focus->state&(WIDGET_STATE_BLOCKFOCUS|WIDGET_STATE_DISABLED)) return FORM_Focus(form,0,direction);
// but only when there's a LOT of gnasty things on a form
}
if (form->focus) WIDGET_SetState(form->focus,WIDGET_STATE_FOCUS);
return widget;
}
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