mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-17 20:32:35 +03:00
493 lines
14 KiB
C
493 lines
14 KiB
C
|
||
|
||
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, i, u, s, h,
|
||
pre,
|
||
blq,
|
||
li,
|
||
li_tab,
|
||
align;
|
||
};
|
||
|
||
struct TWebBrowser {
|
||
llist list;
|
||
_style style;
|
||
DrawBufer DrawBuf;
|
||
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 stroka;
|
||
int stolbec;
|
||
int tab_len;
|
||
int anchor_line_num;
|
||
|
||
char URL[10000];
|
||
char header[2048];
|
||
char line[500];
|
||
char tagparam[10000];
|
||
char tag[100];
|
||
char oldtag[100];
|
||
char attr[1200];
|
||
char val[4096];
|
||
char anchor[256]=0;
|
||
|
||
#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()
|
||
{
|
||
int start_x, start_y, line_length, stolbec_len, body_magrin=5;
|
||
|
||
if (!header)
|
||
{
|
||
ChangeCharset("UTF-8", "CP866", #line);
|
||
strcpy(#header, #line);
|
||
strcat(#header, " -");
|
||
strcat(#header, #version);
|
||
line = 0;
|
||
return;
|
||
}
|
||
if (t_html) && (!t_body) return;
|
||
|
||
if (line) && (!anchor)
|
||
{
|
||
start_x = stolbec * list.font_w + body_magrin * DrawBuf.zoom + list.x;
|
||
start_y = stroka * list.item_h + body_magrin;
|
||
stolbec_len = utf8_strlen(#line) * DrawBuf.zoom;
|
||
line_length = stolbec_len * list.font_w;
|
||
|
||
if (style.h) stroka++;
|
||
WriteBufText(start_x, start_y, list.font_type, text_colors[text_color_index], #line, buf_data);
|
||
if (style.b) WriteBufText(start_x+1, start_y, list.font_type, text_colors[text_color_index], #line, buf_data);
|
||
if (style.i) { stolbec++; DrawBuf.Skew(start_x, start_y, line_length, list.item_h); } // bug with zoom>1
|
||
if (style.s) DrawBuf.DrawBar(start_x, list.item_h / 2 - DrawBuf.zoom + start_y, line_length, DrawBuf.zoom, text_colors[text_color_index]);
|
||
if (style.u) DrawBuf.DrawBar(start_x, list.item_h - DrawBuf.zoom - DrawBuf.zoom + start_y, line_length, DrawBuf.zoom, text_colors[text_color_index]);
|
||
if (link) {
|
||
DrawBuf.DrawBar(start_x, list.item_h*style.h + list.item_h - DrawBuf.zoom - DrawBuf.zoom + start_y, line_length, DrawBuf.zoom, text_colors[text_color_index]);
|
||
PageLinks.AddText(#line, line_length, list.item_h*style.h + list.item_h, UNDERLINE);
|
||
}
|
||
stolbec += stolbec_len;
|
||
}
|
||
}
|
||
//============================================================================================
|
||
void TWebBrowser::LoadInternalPage(dword bufpos, in_filesize){
|
||
bufsize = in_filesize;
|
||
bufpointer = bufpos;
|
||
Prepare();
|
||
}
|
||
//============================================================================================
|
||
void TWebBrowser::Prepare(){
|
||
word bukva[2];
|
||
int j;
|
||
byte ignor_param;
|
||
dword bufpos;
|
||
int line_len;
|
||
style.b = style.i = 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);
|
||
stroka = -list.first;
|
||
stolbec = 0;
|
||
line = 0;
|
||
//for plaint text use CP866 for other UTF
|
||
if (strstri(bufpointer, "html"))
|
||
{
|
||
style.pre = 0;
|
||
cur_encoding = CH_UTF8;
|
||
}
|
||
else
|
||
{
|
||
style.pre = 1;
|
||
cur_encoding = CH_CP866;
|
||
}
|
||
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();
|
||
NewLine();
|
||
break;
|
||
}
|
||
case '\9':
|
||
if (style.pre) //<2F><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> 0x0d
|
||
{
|
||
tab_len = strlen(#line) % 4;
|
||
if (!tab_len) tab_len = 4;
|
||
for (j=0; j<tab_len; j++;) chrcat(#line,' ');
|
||
break;
|
||
}
|
||
goto DEFAULT_MARK;
|
||
case '&': // and so on
|
||
bufpos++;
|
||
tag=0;
|
||
for (j=0; (ESBYTE[bufpos]<>';') && (j<7); j++, bufpos++;)
|
||
{
|
||
bukva = ESBYTE[bufpos];
|
||
chrcat(#tag, bukva);
|
||
}
|
||
if (bukva = GetUnicodeSymbol()) goto DEFAULT_MARK;
|
||
break;
|
||
case '<':
|
||
bufpos++;
|
||
if (!strncmp(bufpos,"!--",3))
|
||
{
|
||
if (!strncmp(bufpos,"-->",3)) || (bufpointer + bufsize <= bufpos) break;
|
||
bufpos++;
|
||
}
|
||
tag = attr = tagparam = ignor_param = NULL;
|
||
while (ESBYTE[bufpos] !='>') && (bufpos < bufpointer + bufsize) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
{
|
||
bukva = ESBYTE[bufpos];
|
||
if (bukva == '\9') || (bukva == '\x0a') || (bukva == '\x0d') bukva = ' ';
|
||
if (!ignor_param) && (bukva <>' ')
|
||
{
|
||
if (strlen(#tag)<sizeof(tag)) chrcat(#tag, bukva);
|
||
}
|
||
else
|
||
{
|
||
ignor_param = true;
|
||
if (!ignor_text) && (strlen(#tagparam)+1<sizeof(tagparam)) strcat(#tagparam, #bukva);
|
||
}
|
||
bufpos++;
|
||
}
|
||
strlwr(#tag);
|
||
|
||
if (tag[strlen(#tag)-1]=='/') tag[strlen(#tag)-1]=NULL; //for br/
|
||
if (tagparam) GetNextParam();
|
||
|
||
Perenos();
|
||
DrawStyle();
|
||
line = NULL;
|
||
if (tag) SetStyle(); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||
strcpy(#oldtag, #tag);
|
||
tag = attr = tagparam = ignor_param = NULL;
|
||
break;
|
||
default:
|
||
DEFAULT_MARK:
|
||
if (bukva<=15) bukva=' ';
|
||
line_len = utf8_strlen(#line);
|
||
if (!style.pre) && (bukva == ' ')
|
||
{
|
||
if (line[line_len-1]==' ') break; //no double spaces
|
||
if (!stolbec) && (!line) break; //no paces at the beginning of the line
|
||
}
|
||
if (line_len < sizeof(line)) chrcat(#line, bukva);
|
||
Perenos();
|
||
}
|
||
}
|
||
DrawStyle();
|
||
NewLine();
|
||
DrawPage();
|
||
if (list.first == 0) list.count = stroka;
|
||
if (anchor) //<2F><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
|
||
{
|
||
anchor=NULL;
|
||
list.first=anchor_line_num;
|
||
Prepare();
|
||
}
|
||
}
|
||
//============================================================================================
|
||
void TWebBrowser::Perenos()
|
||
{
|
||
int perenos_num;
|
||
char new_line_text[4096];
|
||
if (utf8_strlen(#line)*DrawBuf.zoom + stolbec < list.column_max) return;
|
||
perenos_num = strrchr(#line, ' ');
|
||
if (!perenos_num) && (utf8_strlen(#line)*DrawBuf.zoom>list.column_max) perenos_num=list.column_max/DrawBuf.zoom;
|
||
strcpy(#new_line_text, #line + perenos_num);
|
||
line[perenos_num] = 0x00;
|
||
DrawStyle();
|
||
strcpy(#line, #new_line_text);
|
||
NewLine();
|
||
}
|
||
//============================================================================================
|
||
void TWebBrowser::SetStyle() {
|
||
int left1 = 5 + list.x;
|
||
int top1 = stroka * list.item_h + list.y + 5;
|
||
byte opened;
|
||
byte meta_encoding;
|
||
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
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;
|
||
else if (!stroka) DrawTitle(#header); //<2F><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
return;
|
||
}
|
||
if (ignor_text) return;
|
||
|
||
IF(istag("q"))
|
||
{
|
||
if (opened) strcat(#line, " \"");
|
||
if (!opened) strcat(#line, "\" ");
|
||
return;
|
||
}
|
||
if (anchor) && (isattr("id=")) { //<2F><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>!!! <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
|
||
if (!strcmp(#anchor, #val)) anchor_line_num=list.first+stroka;
|
||
}
|
||
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) debugln("Document has no information about encoding, UTF will be used");
|
||
return;
|
||
}
|
||
if (istag("a")) {
|
||
if (opened)
|
||
{
|
||
if (link) IF(text_color_index > 0) text_color_index--; //<2F><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20> <20><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
do{
|
||
if (isattr("href="))
|
||
{
|
||
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, DrawBuf.zoom * stolbec * list.font_w + left1, top1-DrawBuf.zoom);
|
||
}
|
||
if (anchor) && (isattr("name="))
|
||
{
|
||
if (!strcmp(#anchor, #val))
|
||
{
|
||
anchor_line_num=list.first+stroka;
|
||
}
|
||
}
|
||
} 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();
|
||
if (isattr("bgcolor="))
|
||
{
|
||
bg_color=GetColor(#val);
|
||
DrawBuf.Fill(bg_color);
|
||
}
|
||
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("i")) || (istag("em")) || (istag("subtitle")) { style.i=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, top1, WB1.list.w); return; }
|
||
if (istag("h1")) || (istag("h2")) || (istag("h3")) || (istag("h4")) || (istag("caption")) {
|
||
style.h = opened;
|
||
NewLine();
|
||
if (opened)
|
||
{
|
||
WB1.DrawBuf.zoom=2;
|
||
WB1.list.font_type |= 10111001b;
|
||
if (isattr("align=")) && (isval("center")) style.align = ALIGN_CENTER;
|
||
if (isattr("align=")) && (isval("right")) style.align = ALIGN_RIGHT;
|
||
if (stroka>1) NewLine();
|
||
}
|
||
else
|
||
{
|
||
WB1.DrawBuf.zoom=1;
|
||
WB1.list.font_type = 10111000b;
|
||
style.align = ALIGN_LEFT;
|
||
}
|
||
return;
|
||
}
|
||
if (istag("dt")) {
|
||
style.li = opened;
|
||
if (opened) NewLine();
|
||
return;
|
||
}
|
||
if (istag("li")) || (istag("dt"))
|
||
{
|
||
style.li = opened;
|
||
if (opened)
|
||
{
|
||
NewLine();
|
||
DrawBuf.DrawBar(style.li_tab * 5 * list.font_w * DrawBuf.zoom + list.x, stroka +1 * list.item_h - 3
|
||
- DrawBuf.zoom - DrawBuf.zoom, DrawBuf.zoom*2, DrawBuf.zoom*2, 0x454545);
|
||
}
|
||
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, list.item_h*stroka+4, list.w-10, 1, EDI);
|
||
NewLine();
|
||
return;
|
||
}
|
||
if (istag("meta")) || (istag("?xml")) {
|
||
do{
|
||
if (isattr("charset=")) || (isattr("content=")) || (isattr("encoding="))
|
||
{
|
||
strcpy(#val, #val[strrchr(#val, '=')]); //<2F><><EFBFBD><EFBFBD><EFBFBD> <20> 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;
|
||
if (cur_encoding!=meta_encoding) BufEncode(meta_encoding);
|
||
return;
|
||
}
|
||
} while(GetNextParam());
|
||
return;
|
||
}
|
||
}
|
||
|
||
void TWebBrowser::BufEncode(int set_new_encoding)
|
||
{
|
||
int bufpointer_realsize;
|
||
cur_encoding = set_new_encoding;
|
||
if (o_bufpointer==0)
|
||
{
|
||
o_bufpointer = malloc(bufsize);
|
||
strcpy(o_bufpointer, bufpointer);
|
||
}
|
||
else
|
||
{
|
||
strcpy(bufpointer, o_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;
|
||
scroll_wv.start_x = list.w * DrawBuf.zoom + list.x;
|
||
|
||
scrollbar_v_draw(#scroll_wv);
|
||
}
|
||
//============================================================================================
|
||
void TWebBrowser::NewLine()
|
||
{
|
||
int onleft, ontop;
|
||
|
||
onleft = list.x + 5;
|
||
ontop = stroka * list.item_h + list.y + 5;
|
||
if (t_html) && (!t_body) return;
|
||
if (stroka * list.item_h + 5 >= 0) && ( stroka + 1 * list.item_h + 5 < list.h) && (!anchor)
|
||
{
|
||
if (style.align == ALIGN_CENTER) && (DrawBuf.zoom==1) DrawBuf.AlignCenter(onleft,ontop,list.w,list.item_h,stolbec * list.font_w);
|
||
if (style.align == ALIGN_RIGHT) && (DrawBuf.zoom==1) DrawBuf.AlignRight(onleft,ontop,list.w,list.item_h,stolbec * list.font_w);
|
||
}
|
||
stroka++;
|
||
if (style.blq) stolbec = 6; else stolbec = 0;
|
||
if (style.li) stolbec = style.li_tab * 5;
|
||
}
|
||
//============================================================================================
|
||
int istag(dword text) { if (!strcmp(#tag,text)) return 1; else return 0; }
|
||
int isattr(dword text) { if (!strcmp(#attr,text)) return 1; else return 0; }
|
||
int isval(dword text) { if (!strcmp(#val,text)) return 1; else return 0; }
|
||
//============================================================================================
|
||
void TWebBrowser::DrawPage()
|
||
{
|
||
PutPaletteImage(list.first * list.item_h * DrawBuf.bufw * 4 + buf_data+8, DrawBuf.bufw, list.h, DrawBuf.bufx, DrawBuf.bufy, 32, 0);
|
||
DrawScroller();
|
||
} |