static int text_draw(SpaceText *st, char *str, int cshift, int maxwidth, int draw, int x, int y, char *format)
{
FlattenString fs;
int r=0, w= 0, amount;
int *acc;
char *in;
w= flatten_string(st, &fs, str);
if(w < cshift) {
flatten_string_free(&fs);
return 0; /* String is shorter than shift */
}
in= fs.buf+cshift;
acc= fs.accum+cshift;
w= w-cshift;
if(draw) {
if(st->showsyntax && format) {
int a;
format = format+cshift;
amount = strlen(in);
if(maxwidth)
amount= MIN2(amount, maxwidth);
for(a = 0; a < amount; a++) {
format_draw_color(format[a]);
x += text_font_draw_character(st, x, y, in[a]);
}
}
else {
amount = strlen(in);
if(maxwidth)
amount= MIN2(amount, maxwidth);
in[amount]= 0;
text_font_draw(st, x, y, in);
}
}
else {
while(w-- && *acc++ < maxwidth)
r+= st->cwidth;
}
flatten_string_free(&fs);
if(cshift && r==0)
return 0;
else if(st->showlinenrs)
return r+TXT_OFFSET+TEXTXLOC;
else
return r+TXT_OFFSET;
}
static void text_draw(
const SpaceText *st, const TextDrawContext *tdc,
char *str, int cshift, int maxwidth, int x, int y, const char *format)
{
const bool use_syntax = (st->showsyntax && format);
FlattenString fs;
int columns, size, n, w = 0, padding, amount = 0;
const char *in = NULL;
for (n = flatten_string(st, &fs, str), str = fs.buf; n > 0; n--) {
columns = BLI_str_utf8_char_width_safe(str);
size = BLI_str_utf8_size_safe(str);
if (!in) {
if (w >= cshift) {
padding = w - cshift;
in = str;
}
else if (format)
format++;
}
if (in) {
if (maxwidth && w + columns > cshift + maxwidth)
break;
amount++;
}
w += columns;
str += size;
}
if (!in) {
flatten_string_free(&fs);
return; /* String is shorter than shift or ends with a padding */
}
x += tdc->cwidth * padding;
if (use_syntax) {
int a, str_shift = 0;
char fmt_prev = 0xff;
for (a = 0; a < amount; a++) {
if (format[a] != fmt_prev) format_draw_color(fmt_prev = format[a]);
x += text_font_draw_character_utf8(tdc, x, y, in + str_shift);
str_shift += BLI_str_utf8_size_safe(in + str_shift);
}
}
else {
text_font_draw(tdc, x, y, in);
}
flatten_string_free(&fs);
}
void draw_text_main(SpaceText *st, ARegion *ar)
{
Text *text = st->text;
TextFormatType *tft;
TextLine *tmp;
rcti scroll, back;
char linenr[12];
int i, x, y, winx, linecount = 0, lineno = 0;
int wraplinecount = 0, wrap_skip = 0;
int margin_column_x;
/* if no text, nothing to do */
if (!text)
return;
/* dpi controlled line height and font size */
st->lheight_dpi = (U.widget_unit * st->lheight) / 20;
st->viewlines = (st->lheight_dpi) ? (int)ar->winy / (st->lheight_dpi + TXT_LINE_SPACING) : 0;
text_update_drawcache(st, ar);
/* make sure all the positional pointers exist */
if (!text->curl || !text->sell || !text->lines.first || !text->lines.last)
txt_clean_text(text);
/* update rects for scroll */
calc_text_rcts(st, ar, &scroll, &back); /* scroll will hold the entire bar size */
/* update syntax formatting if needed */
tft = ED_text_format_get(text);
tmp = text->lines.first;
lineno = 0;
for (i = 0; i < st->top && tmp; i++) {
if (st->showsyntax && !tmp->format)
tft->format_line(st, tmp, 0);
if (st->wordwrap) {
int lines = text_get_visible_lines_no(st, lineno);
if (wraplinecount + lines > st->top) {
wrap_skip = st->top - wraplinecount;
break;
}
else {
wraplinecount += lines;
tmp = tmp->next;
linecount++;
}
}
else {
tmp = tmp->next;
linecount++;
}
lineno++;
}
text_font_begin(st);
st->cwidth = BLF_fixed_width(mono);
st->cwidth = MAX2(st->cwidth, (char)1);
/* draw line numbers background */
if (st->showlinenrs) {
x = TXT_OFFSET + TEXTXLOC;
UI_ThemeColor(TH_GRID);
glRecti((TXT_OFFSET - 12), 0, (TXT_OFFSET - 5) + TEXTXLOC, ar->winy - 2);
}
else {
st->linenrs_tot = 0; /* not used */
x = TXT_OFFSET;
}
y = ar->winy - st->lheight_dpi;
winx = ar->winx - TXT_SCROLL_WIDTH;
/* draw cursor */
draw_cursor(st, ar);
/* draw the text */
UI_ThemeColor(TH_TEXT);
for (i = 0; y > 0 && i < st->viewlines && tmp; i++, tmp = tmp->next) {
if (st->showsyntax && !tmp->format)
tft->format_line(st, tmp, 0);
if (st->showlinenrs && !wrap_skip) {
/* draw line number */
if (tmp == text->curl)
UI_ThemeColor(TH_HILITE);
else
UI_ThemeColor(TH_TEXT);
BLI_snprintf(linenr, sizeof(linenr), "%*d", st->linenrs_tot, i + linecount + 1);
/* itoa(i + linecount + 1, linenr, 10); */ /* not ansi-c :/ */
text_font_draw(st, TXT_OFFSET - 7, y, linenr);
UI_ThemeColor(TH_TEXT);
}
if (st->wordwrap) {
/* draw word wrapped text */
int lines = text_draw_wrapped(st, tmp->line, x, y, winx - x, tmp->format, wrap_skip);
y -= lines * (st->lheight_dpi + TXT_LINE_SPACING);
}
else {
/* draw unwrapped text */
text_draw(st, tmp->line, st->left, ar->winx / st->cwidth, x, y, tmp->format);
y -= st->lheight_dpi + TXT_LINE_SPACING;
}
wrap_skip = 0;
}
if (st->flags & ST_SHOW_MARGIN) {
UI_ThemeColor(TH_HILITE);
margin_column_x = x + st->cwidth * (st->margin_column - st->left);
if (margin_column_x >= x) {
glBegin(GL_LINES);
glVertex2i(margin_column_x, 0);
glVertex2i(margin_column_x, ar->winy - 2);
glEnd();
}
}
/* draw other stuff */
draw_brackets(st, ar);
glTranslatef(GLA_PIXEL_OFS, GLA_PIXEL_OFS, 0.0f); /* XXX scroll requires exact pixel space */
draw_textscroll(st, &scroll, &back);
draw_documentation(st, ar);
draw_suggestion_list(st, ar);
text_font_end(st);
}
void draw_text_main(SpaceText *st, ARegion *ar)
{
Text *text= st->text;
TextLine *tmp;
rcti scroll, back;
char linenr[12];
int i, x, y, winx, linecount= 0, lineno= 0;
int wraplinecount= 0, wrap_skip= 0;
/* if no text, nothing to do */
if(!text)
return;
text_update_drawcache(st, ar);
/* make sure all the positional pointers exist */
if(!text->curl || !text->sell || !text->lines.first || !text->lines.last)
txt_clean_text(text);
if(st->lheight) st->viewlines= (int)ar->winy/st->lheight;
else st->viewlines= 0;
/* update rects for scroll */
calc_text_rcts(st, ar, &scroll, &back); /* scroll will hold the entire bar size */
/* update syntax formatting if needed */
tmp= text->lines.first;
lineno= 0;
for(i= 0; i<st->top && tmp; i++) {
if(st->showsyntax && !tmp->format)
txt_format_line(st, tmp, 0);
if(st->wordwrap) {
int lines= text_get_visible_lines_no(st, lineno);
if (wraplinecount+lines>st->top) {
wrap_skip= st->top-wraplinecount;
break;
} else {
wraplinecount+= lines;
tmp= tmp->next;
linecount++;
}
} else {
tmp= tmp->next;
linecount++;
}
lineno++;
}
text_font_begin(st);
st->cwidth= BLF_fixed_width(mono);
st->cwidth= MAX2(st->cwidth, 1);
/* draw line numbers background */
if(st->showlinenrs) {
x= TXT_OFFSET + TEXTXLOC;
UI_ThemeColor(TH_GRID);
glRecti((TXT_OFFSET-12), 0, (TXT_OFFSET-5) + TEXTXLOC, ar->winy - 2);
}
else {
st->linenrs_tot= 0; /* not used */
x= TXT_OFFSET;
}
y= ar->winy-st->lheight;
winx= ar->winx - TXT_SCROLL_WIDTH;
/* draw cursor */
draw_cursor(st, ar);
/* draw the text */
UI_ThemeColor(TH_TEXT);
for(i=0; y>0 && i<st->viewlines && tmp; i++, tmp= tmp->next) {
if(st->showsyntax && !tmp->format)
txt_format_line(st, tmp, 0);
if(st->showlinenrs && !wrap_skip) {
/* draw line number */
if(tmp == text->curl)
UI_ThemeColor(TH_HILITE);
else
UI_ThemeColor(TH_TEXT);
sprintf(linenr, "%d", i + linecount + 1);
/* itoa(i + linecount + 1, linenr, 10); */ /* not ansi-c :/ */
text_font_draw(st, TXT_OFFSET - 7, y, linenr);
UI_ThemeColor(TH_TEXT);
}
if(st->wordwrap) {
/* draw word wrapped text */
int lines = text_draw_wrapped(st, tmp->line, x, y, winx-x, tmp->format, wrap_skip);
y -= lines*st->lheight;
}
else {
/* draw unwrapped text */
text_draw(st, tmp->line, st->left, ar->winx/st->cwidth, 1, x, y, tmp->format);
y -= st->lheight;
}
wrap_skip= 0;
}
/* draw other stuff */
draw_brackets(st, ar);
draw_markers(st, ar);
glTranslatef(0.375f, 0.375f, 0.0f); /* XXX scroll requires exact pixel space */
draw_textscroll(st, &scroll, &back);
draw_documentation(st, ar);
draw_suggestion_list(st, ar);
text_font_end(st);
}