forked from KolibriOS/kolibrios
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
|
|
We have a long text and need to show it in block.
|
|
Normal line break '\n' must be applied.
|
|
Long lines should be breaked by word.
|
|
TODO: scroll
|
|
*/
|
|
:int DrawTextViewArea(int x,y,w,h, dword buf_start, bg_col, text_col)
|
|
{
|
|
dword write_start;
|
|
dword buf_end;
|
|
int line_h = 15;
|
|
int label_length_max;
|
|
int write_length;
|
|
bool end_found;
|
|
|
|
write_start = buf_start;
|
|
buf_end = strlen(buf_start) + buf_start;
|
|
label_length_max = w / 8; // 8 big font char width
|
|
|
|
loop()
|
|
{
|
|
if (bg_col!=-1) DrawBar(x, y, w+1, line_h, bg_col);
|
|
end_found = false;
|
|
write_length = strchr(write_start, '\n') - write_start; //search normal line break
|
|
if (write_length > label_length_max) || (write_length<=0) //check its position: exceeds maximum line length or not found
|
|
{
|
|
if (buf_end - write_start < label_length_max) //check does current line the last
|
|
{
|
|
write_length = buf_end - write_start;
|
|
end_found = true;
|
|
}
|
|
else
|
|
{
|
|
for (write_length=label_length_max; write_length>0; write_length--) { //search for white space to make the line break
|
|
if (ESBYTE[write_start+write_length] == ' ') {
|
|
end_found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (end_found != true) write_length = label_length_max; //no white space, so we write label_length_max
|
|
}
|
|
ESI = write_length; //set text length attribute for WriteText()
|
|
WriteText(x, y, 0x10, text_col, write_start);
|
|
// if (editpos >= write_start-buf_start) && (editpos <= write_start-buf_start + write_length) {
|
|
// WriteTextB(-write_start+buf_start+editpos * 8 + x - 5 +1, y, 0x90, 0xFF0000, "|");
|
|
// }
|
|
write_start += write_length + 1;
|
|
y += line_h;
|
|
if (write_start >= buf_end) break;
|
|
}
|
|
if (bg_col!=-1) DrawBar(x,y,w+1,h-y+line_h-4,bg_col);
|
|
return y+line_h;
|
|
}
|