199 lines
6.6 KiB
C
199 lines
6.6 KiB
C
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void PreparePage()
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{
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list.SetSizes(0, TOOLBAR_H, Form.cwidth-scroll.size_x-1, Form.cheight-TOOLBAR_H, label.size.pt+2);
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strcpy(#title, history.current()+strrchr(history.current(),'/'));
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//get font chars width, need to increase performance
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get_label_symbols_size();
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ChangeCharset(charsets[encoding], "CP866", io.buffer_data);
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link.clear();
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if (strstri(io.buffer_data, "<html")==-1) {
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debugln("no <html> found");
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DrawProgress(STEP_2_COUNT_PAGE_HEIGHT); ParceTxt(false); //get page height to calculate buffer size
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DrawProgress(STEP_3_DRAW_PAGE_INTO_BUFFER); ParceTxt(true); //draw text in buffer
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} else {
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debugln("<html> tag found");
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DrawProgress(STEP_2_COUNT_PAGE_HEIGHT); ParceHtml(false); //get page height to calculate buffer size
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// debugln("DONE STEP 2");
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DrawProgress(STEP_3_DRAW_PAGE_INTO_BUFFER); ParceHtml(true); //draw text in buffer
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// debugln("DONE STEP 3");
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}
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strcat(#title, " - Aelia");
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DrawTitle(#title);
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DrawProgress(STEP_4_SMOOTH_FONT); label.apply_smooth();
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DrawProgress(STEP_5_STOP); DrawPage();
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}
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void ParceTxt(byte draw)
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{
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byte ch, zeroch=0;
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dword bufoff, buflen, line_start, srch_pos;
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int stroka_y=5, line_length=0;
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line_start=io.buffer_data;
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buflen = strlen(io.buffer_data) + io.buffer_data;
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for (bufoff=io.buffer_data; bufoff<buflen; bufoff++)
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{
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ch = ESBYTE[bufoff];
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line_length += char_width[ch];
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if (line_length>=list.w-30) || (ch==10) {
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srch_pos = bufoff;
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loop()
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{
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if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
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if (srch_pos == line_start) break; //no white space found in whole line
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srch_pos--;
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}
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if (draw==true) {
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ESBYTE[bufoff] >< zeroch; //set line end
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WriteTextIntoBuf(8, stroka_y, 0x000000, line_start);
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ESBYTE[bufoff] >< zeroch; //restore line
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}
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stroka_y += list.item_h;
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line_start = bufoff;
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line_length = 0;
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}
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}
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if (draw==false) {
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list.count = stroka_y/list.item_h+3;
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if (list.count < list.visible) list.count = list.visible;
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label.size.height = list.count+5*list.item_h;
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label.raw_size = 0;
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}
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if (draw==true) WriteTextIntoBuf(8, stroka_y, 0x000000, line_start);
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}
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/*========================================================
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= =
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= HTML =
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= =
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========================================================*/
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#define HTML_PADDING_X 8;
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#define HTML_PADDING_Y 5;
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void ParceHtml(byte draw)
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{
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dword DOM_start, DOM_end, DOM_len, DOM_pos, aux2;
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int stroka_x = HTML_PADDING_X;
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int stroka_y = HTML_PADDING_Y;
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int size_pt_change = 0;
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dword line_break;
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byte ch, zeroch;
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_text text;
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_tag tag;
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tag.clear();
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style.clear();
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/* Create DOM */
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debugln("creating DOM");
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DOM_len = strlen(io.buffer_data);
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DOM_start = malloc(DOM_len);
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DOM_end = DOM_start + DOM_len;
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strlcpy(DOM_start, io.buffer_data, DOM_len);
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/* Parce DOM */
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debugln("starting DOM parce...");
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text.start = DOM_start;
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for (DOM_pos=DOM_start; DOM_pos<DOM_end; DOM_pos++)
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{
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if (ESBYTE[DOM_pos]==0x0D) || (ESBYTE[DOM_pos]==0x0A) ESBYTE[DOM_pos]=' ';
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ch = ESBYTE[DOM_pos];
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if (ch=='<') {
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ESBYTE[DOM_pos] = '\0';
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tag.start = DOM_pos + 1;
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if (style.ignore) continue;
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if (tag.nameis("title")) {
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strcpy(#title, text.start);
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continue;
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}
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strtrim(text.start);
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// try to change the special symbols that may appear
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text.fixSpecial(text.start);
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while (get_label_len(text.start) + stroka_x + 30 > list.w)
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{
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zeroch = 0;
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for (line_break=tag.start-1; line_break>text.start; line_break--;)
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{
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ESBYTE[line_break] >< zeroch; //set line end
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if (get_label_len(text.start) + stroka_x + 30 <= list.w) break;
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ESBYTE[line_break] >< zeroch; //restore line
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}
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if (draw==true) {
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if (style.a) {
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link.add(stroka_x,stroka_y + size_pt_change,get_label_len(text.start),list.item_h,text.start," ");
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label_draw_bar(stroka_x, stroka_y+label.size.pt+1, get_label_len(text.start), style.color);
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}
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WriteTextIntoBuf(stroka_x, stroka_y, style.color, text.start);
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}
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stroka_x+=char_width[' '];
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ESBYTE[line_break] >< zeroch; //restore line
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text.start = line_break;
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stroka_x = HTML_PADDING_X;
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stroka_y += list.item_h;
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}
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if (draw==true) {
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if (style.a) {
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link.add(stroka_x,stroka_y + size_pt_change,get_label_len(text.start),list.item_h,text.start," ");
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label_draw_bar(stroka_x, stroka_y+label.size.pt+1, get_label_len(text.start), style.color);
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}
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WriteTextIntoBuf(stroka_x, stroka_y, style.color, text.start);
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}
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stroka_x+=char_width[' '];
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stroka_x += get_label_len(text.start);
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}
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if (ch=='>') {
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ESBYTE[DOM_pos] = '\0';
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text.start = DOM_pos + 1;
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tag.parce();
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if (tag.nameis("br"))
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|| (tag.nameis("p"))
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|| (tag.nameis("div"))
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|| (tag.nameis("tr")) {
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stroka_y+= list.item_h;
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stroka_x = HTML_PADDING_X;
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continue;
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}
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if (tag.nameis("h1")) || (tag.nameis("/h1")) ||
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(tag.nameis("h2")) || (tag.nameis("/h2")) ||
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(tag.nameis("h3")) || (tag.nameis("/h3")) {
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if (tag.nameis("h1")) {
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size_pt_change = 8;
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} else if (tag.nameis("/h1")) {
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size_pt_change = -8;
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} else if (tag.nameis("h2")) {
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size_pt_change = 6;
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} else if (tag.nameis("/h2")) {
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size_pt_change = -6;
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} else if (tag.nameis("h3")) {
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size_pt_change = 4;
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} else if (tag.nameis("/h3")) {
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size_pt_change = -4;
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}
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label.size.pt += size_pt_change;
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get_label_symbols_size();
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if (size_pt_change > 0) {
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stroka_y+= list.item_h;//что если будет очень длинная строка в теге?
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} else {//коммент выше и коммент ниже связаны
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stroka_y+= list.item_h - size_pt_change;//не очень понятна логика этого места
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size_pt_change = 0;
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}
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stroka_x = HTML_PADDING_X;
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continue;
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}
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if (tag.nameis("script")) || (tag.nameis("style")) style.ignore = true;
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if (tag.nameis("/script")) || (tag.nameis("/style")) style.ignore = false;
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if (tag.nameis("a")) { style.a = true; style.color=0x0000FF; }
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if (tag.nameis("/a")) { style.a = false; style.color=0x000000; }
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}
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}
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if (draw==false) {
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list.count = stroka_y/list.item_h+3;
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if (list.count < list.visible) list.count = list.visible;
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label.size.height = list.count+5*list.item_h;
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label.raw_size = 0;
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}
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free(DOM_start);
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} |