scroll_bar scroll_wv = { 15,200,398,44,0,2,115,15,0,0xeeeeee,0xBBBbbb,0xeeeeee,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1}; enum { ALIGN_LEFT, ALIGN_CENTER, ALIGN_RIGHT}; struct _style { byte b, u, s, h, pre, blq, li, li_tab, align; }; struct TWebBrowser { llist list; _style style; DrawBufer DrawBuf; int zoom; void Prepare(); void SetStyle(); void DrawStyle(); void DrawPage(); void DrawScroller(); void LoadInternalPage(); void NewLine(); void Perenos(); void BufEncode(); } WB1; byte link, ignor_text, cur_encoding, t_html, t_body; dword bufpointer=0; dword o_bufpointer=0; dword bufsize=0; dword text_colors[300]; dword text_color_index; dword link_color_inactive; dword link_color_active; dword bg_color; int draw_y; int stolbec; int tab_len; int anchor_y; int body_magrin=5; int basic_line_h=22; char URL[10000]; char header[2048]; char line[500]; char tagparam[10000]; char tag[100]; char oldtag[100]; char attr[1200]; char val[4096]; #include "..\TWB\absolute_url.h" #include "..\TWB\links.h" #include "..\TWB\colors.h" #include "..\TWB\unicode_tags.h" #include "..\TWB\img_cache.h" #include "..\TWB\parce_tag.h" //============================================================================================ void TWebBrowser::DrawStyle() { dword start_x, line_length, stolbec_len; if (!header) { strcpy(#header, #line); line = 0; return; } if (t_html) && (!t_body) return; if (line) { start_x = stolbec * list.font_w + body_magrin + list.x; stolbec_len = strlen(#line) * zoom; line_length = stolbec_len * list.font_w; WriteBufText(start_x, draw_y, list.font_type, text_colors[text_color_index], #line, buf_data); if (style.b) WriteBufText(start_x+1, draw_y, list.font_type, text_colors[text_color_index], #line, buf_data); if (style.s) DrawBuf.DrawBar(start_x, list.item_h / 2 - zoom + draw_y, line_length, zoom, text_colors[text_color_index]); if (style.u) DrawBuf.DrawBar(start_x, list.item_h - zoom - zoom + draw_y, line_length, zoom, text_colors[text_color_index]); if (link) { DrawBuf.DrawBar(start_x, draw_y + list.item_h - calc(zoom*2), line_length, zoom, text_colors[text_color_index]); PageLinks.AddText(start_x, draw_y + list.y, line_length, list.item_h - calc(zoom*2), UNDERLINE, zoom); //TODO: set bigger underline_h for style.h } stolbec += stolbec_len; } } //============================================================================================ void TWebBrowser::LoadInternalPage(dword bufpos, in_filesize){ bufsize = in_filesize; bufpointer = bufpos; Prepare(); } //============================================================================================ void TWebBrowser::Prepare(){ word bukva[2]; dword j; byte ignor_param; dword bufpos; dword line_len; style.b = style.u = style.s = style.h = style.blq = t_html = t_body = style.li = link = ignor_text = text_color_index = text_colors[0] = style.li_tab = 0; style.align = ALIGN_LEFT; link_color_inactive = 0x0000FF; link_color_active = 0xFF0000; bg_color = 0xFFFFFF; DrawBuf.Fill(bg_color); PageLinks.Clear(); strcpy(#header, #version); draw_y = body_magrin; stolbec = 0; line = 0; zoom = 1; //for plaint text use CP866 for other UTF if (strstri(bufpointer, "html")!=-1) { debugln(" found"); style.pre = false; cur_encoding = CH_NULL; } else { debugln("no "); style.pre = true; cur_encoding = CH_NULL; } for (bufpos=bufpointer ; (bufpos < bufpointer+bufsize) && (ESBYTE[bufpos]!=0) ; bufpos++;) { if (ignor_text) && (ESBYTE[bufpos]!='<') continue; bukva = ESBYTE[bufpos]; switch (bukva) { case 0x0a: if (style.pre) { DrawStyle(); line = NULL; NewLine(); break; } goto DEFAULT_MARK; case '\9': if (style.pre) //otherwise go to 0x0d { tab_len = strlen(#line) % 4; if (!tab_len) tab_len = 4; for (j=0; j';') && (j<7); j++, bufpos++;) { bukva = ESBYTE[bufpos]; chrcat(#tag, bukva); } if (bukva = GetUnicodeSymbol()) goto DEFAULT_MARK; break; case '<': bufpos++; if (!strncmp(bufpos,"!--",3)) { bufpos+=3; while (strncmp(bufpos,"-->",3)!=0) && (bufpos < bufpointer + bufsize) { bufpos++; } bufpos+=3; break; } tag = attr = tagparam = ignor_param = NULL; while (ESBYTE[bufpos] !='>') && (bufpos < bufpointer + bufsize) //ïîëó÷àåì òåã è åãî ïàðàìåòðû { bukva = ESBYTE[bufpos]; if (bukva == '\9') || (bukva == '\x0a') || (bukva == '\x0d') bukva = ' '; if (!ignor_param) && (bukva <>' ') { if (strlen(#tag)+1list.column_max) perenos_num=list.column_max/zoom; strcpy(#new_line_text, #line + perenos_num); line[perenos_num] = 0x00; DrawStyle(); strcpy(#line, #new_line_text); NewLine(); } //============================================================================================ void TWebBrowser::SetStyle() { int left1 = body_magrin + list.x; byte opened; byte meta_encoding; if (tag[0] == '/') { opened = 0; strcpy(#tag, #tag+1); } else opened = 1; if (istag("html")) { t_html = opened; return; } if (istag("script")) || (istag("style")) || (istag("binary")) || (istag("select")) { ignor_text = opened; return; } if (istag("form")) if (!opened) ignor_text = false; if(istag("title")) { if (opened) header=NULL; return; } if (ignor_text) return; IF(istag("q")) { if (opened) strcat(#line, " \""); if (!opened) strcat(#line, "\" "); return; } //if (isattr("id=")) || (isattr("name=")) { //very bad: if the tag is not the last it wound work //add anchor //} if (istag("body")) { t_body = opened; do{ if (isattr("link=")) link_color_inactive = GetColor(#val); if (isattr("alink=")) link_color_active = GetColor(#val); if (isattr("text=")) text_colors[0]=GetColor(#val); if (isattr("bgcolor=")) { bg_color = GetColor(#val); DrawBuf.Fill(bg_color); } } while(GetNextParam()); if (opened) && (cur_encoding==CH_NULL) { cur_encoding = CH_UTF8; debugln("Document has no information about encoding, UTF will be used"); } if (opened) { if (strcmp(#header, #version) != 0) { ChangeCharset(charsets[cur_encoding], "CP866", #header); sprintf(#header, "%s - %s", #header, #version); } DrawTitle(#header); } return; } if (istag("a")) { if (opened) { if (link) IF(text_color_index > 0) text_color_index--; //åñëè ïðåäûäóùèé òåã à íå áûë çàêðûò do{ if (isattr("href=")) && (!strstr(#val,"javascript:")) { text_color_index++; text_colors[text_color_index] = text_colors[text_color_index-1]; link = 1; text_colors[text_color_index] = link_color_inactive; PageLinks.AddLink(#val); } } while(GetNextParam()); } else { link = 0; IF(text_color_index > 0) text_color_index--; } return; } if (istag("font")) { if (opened) { text_color_index++; text_colors[text_color_index] = text_colors[text_color_index-1]; do{ if (isattr("color=")) text_colors[text_color_index] = GetColor(#val); } while(GetNextParam()); } else if (text_color_index > 0) text_color_index--; return; } if (istag("div")) || (istag("header")) || (istag("article")) || (istag("footer")) { IF(oldtag[0] != 'h') NewLine(); return; } if (istag("p")) { IF(oldtag[0] == 'h') return; NewLine(); IF(opened) NewLine(); return; } if (istag("br")) { NewLine(); return; } if (istag("tr")) { if (opened) NewLine(); return; } if (istag("b")) || (istag("strong")) || (istag("big")) { style.b = opened; return; } if (istag("u")) || (istag("ins")) { style.u=opened; return;} if (istag("s")) || (istag("strike")) || (istag("del")) { style.s=opened; return; } if (istag("dd")) { stolbec += 5; return; } if (istag("blockquote")) { style.blq = opened; return; } if (istag("pre")) || (istag("code")) { style.pre = opened; return; } if (istag("img")) { ImgCache.Images( left1, draw_y, WB1.list.w); return; } if (istag("h1")) || (istag("h2")) || (istag("h3")) || (istag("caption")) { style.h = opened; if (opened) { NewLine(); draw_y += 10; WB1.zoom=2; WB1.list.font_type |= 10011001b; if (isattr("align=")) && (isval("center")) style.align = ALIGN_CENTER; if (isattr("align=")) && (isval("right")) style.align = ALIGN_RIGHT; list.item_h = basic_line_h * 2; } else { NewLine(); WB1.zoom=1; WB1.list.font_type = 10011000b; style.align = ALIGN_LEFT; list.item_h = basic_line_h; } return; } if (istag("dt")) { style.li = opened; if (opened) NewLine(); return; } if (istag("li")) || (istag("dt")) { style.li = opened; if (opened) { NewLine(); strcpy(#line, "\31 \0"); } return; } if (istag("ul")) || (istag("ol")) { if (!opened) { style.li = opened; style.li_tab--; NewLine(); } else style.li_tab++; } if (istag("hr")) { if (isattr("color=")) EDI = GetColor(#val); else EDI = 0x999999; $push edi; NewLine(); $pop edi; DrawBuf.DrawBar(5, draw_y - 1, list.w-10, 1, EDI); NewLine(); return; } if (istag("meta")) || (istag("?xml")) { meta_encoding = CH_NULL; do{ if (isattr("charset=")) || (isattr("content=")) || (isattr("encoding=")) { strcpy(#val, #val[strrchr(#val, '=')]); //search in content= strlwr(#val); if (isval("utf-8")) || (isval("utf8")) meta_encoding = CH_UTF8; else if (isval("koi8-r")) || (isval("koi8-u")) meta_encoding = CH_KOI8; else if (isval("windows-1251")) || (isval("windows1251")) meta_encoding = CH_CP1251; else if (isval("iso-8859-5")) || (isval("iso8859-5")) meta_encoding = CH_ISO8859_5; else if (isval("dos")) || (isval("cp-866")) meta_encoding = CH_CP866; } } while(GetNextParam()); if (meta_encoding!=CH_NULL) BufEncode(meta_encoding); return; } } void TWebBrowser::BufEncode(dword set_new_encoding) { if (cur_encoding == set_new_encoding) return; if (o_bufpointer==0) { o_bufpointer = malloc(bufsize); strcpy(o_bufpointer, bufpointer); } else { strcpy(bufpointer, o_bufpointer); } debugval("cur_encoding ", cur_encoding); debugval("set_new_encoding", set_new_encoding); cur_encoding = set_new_encoding; bufpointer = ChangeCharset(charsets[cur_encoding], "CP866", bufpointer); } //============================================================================================ void TWebBrowser::DrawScroller() { scroll_wv.max_area = list.count; scroll_wv.cur_area = list.visible; scroll_wv.position = list.first; scroll_wv.all_redraw = 0; scroll_wv.start_x = list.x + list.w; scroll_wv.start_y = list.y; scroll_wv.size_y = list.h; scrollbar_v_draw(#scroll_wv); } //============================================================================================ void TWebBrowser::NewLine() { dword onleft, ontop; if (!stolbec) && (draw_y==body_magrin) return; onleft = list.x + body_magrin; ontop = draw_y + list.y; if (t_html) && (!t_body) return; draw_y += list.item_h; if (style.blq) stolbec = 6; else stolbec = 0; if (style.li) stolbec = style.li_tab * 5; } //============================================================================================ bool istag(dword text) { if (!strcmp(#tag,text)) return true; else return false; } bool isattr(dword text) { if (!strcmp(#attr,text)) return true; else return false; } bool isval(dword text) { if (!strcmp(#val,text)) return true; else return false; } //============================================================================================ void TWebBrowser::DrawPage() { PutPaletteImage(list.first * DrawBuf.bufw * 4 + buf_data+8, DrawBuf.bufw, list.h, DrawBuf.bufx, DrawBuf.bufy, 32, 0); DrawScroller(); }