int TE_UpdateTextEdition(TextEdition *te, int i)
{
int c, l, x, y, done=0;
i = WordHead(te->text, i-1);
GetPositionInEdition(*te, i, &l, &c);
x = te->tab[l][c].x;
y = te->tab[l][c].y;
te->xmax = 0;
for(; te->text[i] && !done ; i++)
{
if (!te->tab[l][c].c)
NewLetter(te->tab, l, c);
te->tab[l][c].c = te->text[i];
te->tab[l][c].x = x;
te->tab[l][c].y = y;
x += WidthChar(*te,te->text[i]);
c++;
if (te->xmax < x)
te->xmax = x;
if (HasMultilineStyle(te->style))
{
if ( (te->text[i] == '\n' || (c>0 && HasAutoJumpStyle(te->style) && (te->text[i] == '-' || te->text[i] == ' ') && WidthWord(*te, i+1) >= te->pos.w-x-VSBWidth(*te)))
|| (WidthChar(*te,te->text[i+1]) >= te->pos.w-x && HasAutoJumpStyle(te->style)) )
{
te->tab[l][c].x = x;
te->tab[l][c].y = y;
for (; te->tab[l][c].c ; c++)
te->tab[l][c].c = INVALID_CHAR;
if (++l >= te->numLines)
NewLine(te, l);
x = 0;
y = l*te->hSpace;
c = 0;
}
}
}
te->tab[l][c].x = x;
te->tab[l][c].y = y;
te->lastLine = l;
for (; l<te->numLines ; l++)
{
for (; te->tab[l][c].c ; c++)
te->tab[l][c].c = INVALID_CHAR;
c=0;
}
SetHSBFromOffset(te);
SetVSBFromOffset(te);
return 1;
}
int WidthWord(TextEdition te, int i)
{
int j, w=0;
for (j=i ; IsCharOK(te.text[j]) && te.text[j] != ' ' && te.text[j] != '.' && te.text[j] != ',' && te.text[j] != '-' && te.text[j] != '\n' ; j++)
w += WidthChar(te,te.text[j]);
for (; te.text[j] == ' ' || te.text[j] == '.' || te.text[j] == ',' || te.text[j] == '-' ; j++)
w += WidthChar(te,te.text[j]);
return w;
}
XYPOSITION SurfaceImpl::AverageCharWidth(Font &font_)
{
#if QT_VERSION >= 0x040200
return metrics(font_).averageCharWidth();
#else
return WidthChar(font_, 'n');
#endif
}
int GetCharFromXPosition(TextEdition te, int l, int x)
{
int i;
if (!te.tab[l])
return -1;
x -= te.pos.x + te.offsetX + te.blitSurfPos.x;
for (i=0 ; IsCharOK(te.tab[l][i].c) && (te.tab[l][i].x + WidthChar(te,te.tab[l][i].c)/2) < x ; i++);
if (!IsCharOK(te.tab[l][i].c) && IsLineOK(te,l+1))
i--;
return i;
}
int AverageCharWidth(Font &font_) {return WidthChar(font_, 'n');}
int TE_NewTextEdition(TextEdition *te, int length, SDL_Rect pos, TTF_Font *font, SDL_Color colorFG, int style)
{
int w, h, i;
SDL_Rect pos2;
if (!TE_initialized)
TE_Init();
if (!te || !font || length <= 0)
return 0;
te->textLength = length;
te->text = malloc(sizeof(char)*(length+1));
if (!te->text)
return 0;
te->text[0] = '\0';
te->pos = pos;
te->font = font;
te->colorFG = colorFG;
te->style = style;
te->HScrollBar = NULL;
te->VScrollBar = NULL;
SetHSBLength(te, 5);
SetVSBLength(te, 5);
if (te->pos.x < 0)
te->pos.x = 0;
if (te->pos.y < 0)
te->pos.y = 0;
if (te->pos.w < 20)
te->pos.w = 20;
if (te->pos.h < (te->fontHeight=TTF_FontHeight(font)))
te->pos.h = te->fontHeight;
if (te->blitStyle > 3 || te->blitStyle < 1)
te->blitStyle = TE_BLITSTYLE_BLENDED;
if (te->hSpace <= 0)
te->hSpace = TTF_FontLineSkip(font);
if (!HasMultilineStyle(style))
te->pos.h = te->hSpace + HSBHeight(*te);
if (AreSameColor(te->colorBG,te->colorFG))
{
te->colorBG = ColorInverse(te->colorFG);
te->colorBGSelect = te->colorFG;
te->colorFGSelect = te->colorBG;
}
if (!te->blitSurf)
te->blitSurf = SDL_GetVideoSurface();
/*te->blitSurfPos.x = 0;
te->blitSurfPos.y = 0;*/
te->tab = malloc(sizeof(CharInfo*));
te->tab[0] = malloc(sizeof(CharInfo));
memset(&(te->tab[0][0]),0,sizeof(CharInfo));
te->numLines = 1;
te->lastLine = 0;
te->offsetX = 0;
te->offsetY = 0;
te->focus = 0;
te->prevCursorPos = -1;
te->mouseStatus = 0;
te->HSBCaught = 0;
te->VSBCaught = 0;
for (i=1 ; i<256 ; i++)
{
DimLetter(*te, (char)(i-128), &w, &h);
te->dimTab[i].w = w;
te->dimTab[i].h = h;
}
WidthChar(*te, '\0') = 0;
HeigthChar(*te, '\0') = te->fontHeight;
WidthChar(*te, '\n') = WidthChar(*te, ' ');
HeigthChar(*te, '\n') = HeigthChar(*te, ' ');
WidthChar(*te, INVALID_CHAR) = 0;
HeigthChar(*te, INVALID_CHAR) = te->fontHeight;
pos.x = 0;
pos.y = 0;
pos2 = te->pos;
te->tmpSurf = SDL_CreateRGBSurface(SDL_HWSURFACE, pos2.w, pos2.h, 32, 0,0,0,0);
SDL_BlitSurface(te->blitSurf, &pos2, te->tmpSurf, &pos);
te->tmpSurfSave = SDL_CreateRGBSurface(SDL_HWSURFACE, pos2.w, pos2.h, 32, 0,0,0,0);
SDL_BlitSurface(te->blitSurf, &pos2, te->tmpSurfSave, &pos);
return 1;
}
int TE_DisplayTextEdition(TextEdition *te)
{
int l, c, state, i=0, upY = -1, downY = -1;
char buf[2] = "";
SDL_Rect pos, rect = te->pos;
SDL_Surface *surf;
CharInfo *ci, *fci, *lci;
rect.x = 0; rect.y = 0;
rect.w -= VSBWidth(*te);
rect.h -= HSBHeight(*te);
for (l=0 ; IsLineOK(*te,l) ; l++)
{
fci = NULL; lci = NULL;
for (c=0 ; IsCharOK(te->tab[l][c].c) ; c++)
{
ci = &(te->tab[l][c]);
buf[0] = ci->c == '\n' ? ' ' : ci->c;
pos.x = ci->x + te->offsetX;
pos.y = ci->y + te->offsetY;
pos.w = WidthChar(*te,buf[0]);
pos.h = HeigthChar(*te,buf[0]);
state = te->focus && IsInSelection(i,te->selection) && !HasJustDisplayStyle(te->style);
if (IsRectInRect(pos, rect))
{
if (i == te->prevCursorPos || i == te->cursorPos || state != ci->prevState || pos.x != ci->prevX || pos.y != ci->prevY || buf[0] != ci->prevC)
{
surf = TE_RenderText(buf, *te, state);
if (te->blitStyle != TE_BLITSTYLE_SHADED)
SDL_BlitSurface(te->tmpSurfSave, &pos, te->tmpSurf, &pos);
SDL_BlitSurface(surf, NULL, te->tmpSurf, &pos);
SDL_FreeSurface(surf);
}
lci = ci;
if (!fci)
fci = ci;
}
ci->prevState = state;
ci->prevX = pos.x;
ci->prevY = pos.y;
ci->prevC = buf[0];
i++;
}
if (!lci)
lci = &(te->tab[l][c]);
else
{
downY = pos.y;
if (upY < 0)
upY = pos.y;
}
pos.x = lci->x + te->offsetX + WidthChar(*te,lci->c);
pos.y = lci->y + te->offsetY;
pos.h = te->hSpace;
if ((pos.w = te->pos.w - pos.x)>0)
SDL_BlitSurface(te->tmpSurfSave, &pos, te->tmpSurf, &pos);
if (fci)
{
pos.x = 0;
pos.y = fci->y + te->offsetY;
pos.h = te->hSpace;
if ((pos.w = fci->x + te->offsetX)>0)
SDL_BlitSurface(te->tmpSurfSave, &pos, te->tmpSurf, &pos);
}
for (; te->tab[l][c].c ; c++)
te->tab[l][c].prevC = INVALID_CHAR;
}
pos.y = downY + te->hSpace;
pos.x = 0;
pos.w = te->pos.w;
if ((pos.h = te->pos.h - pos.y)>0)
SDL_BlitSurface(te->tmpSurfSave, &pos, te->tmpSurf, &pos);
pos.y = 0;
pos.x = 0;
pos.w = te->pos.w;
if ((pos.h = upY)>0)
SDL_BlitSurface(te->tmpSurfSave, &pos, te->tmpSurf, &pos);
for (; l<te->numLines ; l++)
{
for (c=0 ; te->tab[l][c].c ; c++)
te->tab[l][c].prevC = INVALID_CHAR;
}
if (!HasJustDisplayStyle(te->style))
DisplayCursor(*te);
te->prevCursorPos = te->cursorPos;
DisplayScrollBars(te);
SDL_BlitSurface(te->tmpSurf, NULL, te->blitSurf, &(te->pos));
return 1;
}
