NetListItem::NetListItem(event_type type, const char* text, const BFont* font, uint32 level, bool expanded)
: BListItem(level, expanded)
{
font_height height;
font->GetHeight(&height);
fFontAscent = height.ascent;
fLineHeight = static_cast<int>(height.ascent + height.descent + height.leading);
fText = static_cast<char*>(malloc(strlen(text) + 1));
strcpy(fText, text);
fLineInfo.count = 1;
fLineInfo.lines = (line_info*)malloc(sizeof(line_info));
fLineInfo.lines[0].numChars = 0;
fLineInfo.lines[0].numWrapPoints = 0;
fLineInfo.lines[0].byteNum = (int32*)malloc(sizeof(int32));
fLineInfo.lines[0].byteNum[0] = 0;
for(int32 byteNum = 0; fText[byteNum] != 0; byteNum++)
{
if(BEGINS_CHAR(fText[byteNum]))
{
fLineInfo.lines[fLineInfo.count - 1].numChars++;
if(WrapChar(fText[byteNum]))
fLineInfo.lines[fLineInfo.count - 1].numWrapPoints++;
if(fText[byteNum] == '\n')
{
// Don't count '\n' as a character
fLineInfo.lines[fLineInfo.count - 1].numChars--;
fLineInfo.count++;
fLineInfo.lines = (line_info*)realloc(fLineInfo.lines, fLineInfo.count * sizeof(line_info));
fLineInfo.lines[fLineInfo.count - 1].numChars = 0;
fLineInfo.lines[fLineInfo.count - 1].numWrapPoints = 0;
fLineInfo.lines[fLineInfo.count - 1].byteNum = (int32*)malloc(sizeof(int32));
fLineInfo.lines[fLineInfo.count - 1].byteNum[0] = byteNum + 1;
}
}
}
// First pass finished, now know how many characters in each line
for(int lineNum = 0; lineNum < fLineInfo.count; lineNum++)
{
fLineInfo.lines[lineNum].cumulativeWidth = (float*)malloc(fLineInfo.lines[lineNum].numChars * sizeof(float));
fLineInfo.lines[lineNum].byteNum = (int32*)realloc(fLineInfo.lines[lineNum].byteNum, fLineInfo.lines[lineNum].numChars * sizeof(int32));
fLineInfo.lines[lineNum].wrapPoints = (int32*)malloc(fLineInfo.lines[lineNum].numWrapPoints * sizeof(int32));
// Get escapements
float* tmpEscapements = new float[fLineInfo.lines[lineNum].numChars];
font->GetEscapements(&fText[fLineInfo.lines[lineNum].byteNum[0]], fLineInfo.lines[lineNum].numChars, tmpEscapements);
// Loop over that line to fill in details
int charNum = -1;
int wrapNum = -1;
float cumulWidth = 0;
for(int byteNum = fLineInfo.lines[lineNum].byteNum[0]; fText[byteNum] != '\n' && fText[byteNum] != 0; byteNum++)
{
if(BEGINS_CHAR(fText[byteNum]))
{
charNum++;
fLineInfo.lines[lineNum].byteNum[charNum] = byteNum;
cumulWidth += tmpEscapements[charNum];
fLineInfo.lines[lineNum].cumulativeWidth[charNum] = cumulWidth;
if(WrapChar(fText[byteNum]))
{
wrapNum++;
fLineInfo.lines[lineNum].wrapPoints[wrapNum] = charNum;
}
}
}
}
fType = type;
}
void LWrapChar(Layer *l, struct mchar *c, int y, int top, int bot, bool ins)
{
Canvas *cvlist, *cvlnext;
Viewport *vp, *evp, **vpp;
int yy, y2, yy2, top2, bot2;
int bce;
if (l->l_pause.d)
/* XXX: 'y'? */
LayPauseUpdateRegion(l, 0, l->l_width - 1, top, bot);
bce = c->colorbg;
if (y != bot) {
/* simple case: no scrolling */
/* cursor after wrapping */
yy = y == l->l_height - 1 ? y : y + 1;
for (Canvas *cv = l->l_cvlist; cv; cv = cv->c_lnext) {
if (l->l_pause.d && cv->c_slorient)
continue;
y2 = 0; /* gcc -Wall */
display = cv->c_display;
if (D_blocked)
continue;
/* find the viewport of the wrapped character */
for (vp = cv->c_vplist; vp; vp = vp->v_next) {
y2 = y + vp->v_yoff;
yy2 = yy + vp->v_yoff;
if (yy2 >= vp->v_ys && yy2 <= vp->v_ye && vp->v_xoff >= vp->v_xs
&& vp->v_xoff <= vp->v_xe)
break;
}
if (vp == NULL)
continue; /* nothing to do, character not visible */
/* find the viewport of the character at the end of the line */
for (evp = cv->c_vplist; evp; evp = evp->v_next)
if (y2 >= evp->v_ys && y2 <= evp->v_ye
&& evp->v_xoff + l->l_width - 1 >= evp->v_xs
&& evp->v_xoff + l->l_width - 1 <= evp->v_xe)
break; /* gotcha! */
if (evp == NULL || (ins && vp->v_xoff + l->l_width - 1 > vp->v_ye)) {
/* no wrapping possible */
cvlist = l->l_cvlist;
cvlnext = cv->c_lnext;
l->l_cvlist = cv;
cv->c_lnext = NULL;
if (ins)
LInsChar(l, c, 0, yy, NULL);
else
LPutChar(l, c, 0, yy);
l->l_cvlist = cvlist;
cv->c_lnext = cvlnext;
} else {
WrapChar(RECODE_MCHAR(c), vp->v_xoff + l->l_width, y2, vp->v_xoff, -1,
vp->v_xoff + l->l_width - 1, -1, ins);
}
}
} else {
/* hard case: scroll up */
for (Canvas *cv = l->l_cvlist; cv; cv = cv->c_lnext) {
if (l->l_pause.d && cv->c_slorient)
continue;
display = cv->c_display;
if (D_blocked)
continue;
/* search for wrap viewport */
for (vpp = &cv->c_vplist; (vp = *vpp); vpp = &vp->v_next) {
yy2 = bot + vp->v_yoff;
if (yy2 >= vp->v_ys && yy2 <= vp->v_ye && vp->v_xoff >= vp->v_xs
&& vp->v_xoff + l->l_width - 1 <= vp->v_xe)
break;
}
if (vp) {
/* great, can use Wrap on the vp */
/* temporarily remove vp from cvlist */
*vpp = vp->v_next;
}
if (cv->c_vplist) {
/* scroll all viewports != vp */
cvlist = l->l_cvlist;
cvlnext = cv->c_lnext;
l->l_cvlist = cv;
cv->c_lnext = NULL;
LScrollV(l, 1, top, bot, bce);
if (!vp) {
if (ins)
LInsChar(l, c, 0, bot, NULL);
else
LPutChar(l, c, 0, bot);
}
l->l_cvlist = cvlist;
cv->c_lnext = cvlnext;
}
if (vp) {
/* add vp back to cvlist */
*vpp = vp;
top2 = top + vp->v_yoff;
bot2 = bot + vp->v_yoff;
if (top2 < vp->v_ys)
top2 = vp->v_ys;
WrapChar(RECODE_MCHAR(c), vp->v_xoff + l->l_width, bot2, vp->v_xoff, top2,
vp->v_xoff + l->l_width - 1, bot2, ins);
}
}
}
}
