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kolibrios-gitea/programs/cmm/TWB/TWB.c
Kirill Lipatov (Leency) 714d366ac8 WebView: Remove condition script, code update, prepar 
llist: configurable mouse wheel size

git-svn-id: svn://kolibrios.org@5749 a494cfbc-eb01-0410-851d-a64ba20cac60
2015-08-19 15:14:52 +00:00

549 lines
15 KiB
C
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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,
pre,
blq,
li,
li_tab,
align;
};
struct TWebBrowser {
llist list;
_style style;
dword draw_line_width;
DrawBufer DrawBuf;
void Parse();
void SetTextStyle();
void DrawPage();
void DrawScroller();
void LoadInternalPage();
void NewLine();
void Perenos();
void BufEncode();
byte end_parsing;
} WB1;
byte
link,
ignor_text,
cur_encoding,
t_html,
t_body;
dword bufpointer;
dword o_bufpointer;
dword bufsize;
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 attr[1200];
char val[4096];
char anchor[256];
#include "..\TWB\history.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::DrawPage()
{
int start_x, start_y, line_length, stolbec_len, magrin_left=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 (stroka >= 0) && (stroka - 2 < list.visible) && (line) && (!anchor)
{
start_x = stolbec * list.font_w + magrin_left * DrawBuf.zoom + list.x;
start_y = stroka * list.line_h + magrin_left + list.y;
stolbec_len = utf8_strlen(#line);
line_length = stolbec_len * list.font_w * DrawBuf.zoom;
WriteBufText(start_x, 0, list.font_type, text_colors[text_color_index], #line, buf_data);
if (style.b) WriteBufText(start_x+1, 0, list.font_type, text_colors[text_color_index], #line, buf_data);
if (style.i) { stolbec++; DrawBuf.Skew(start_x, 0, line_length, list.line_h); } // bug with zoom>1
if (style.s) DrawBuf.DrawBar(start_x, list.line_h / 2 - DrawBuf.zoom, line_length, DrawBuf.zoom, text_colors[text_color_index]);
if (style.u) DrawBuf.DrawBar(start_x, list.line_h - DrawBuf.zoom - DrawBuf.zoom, line_length, DrawBuf.zoom, text_colors[text_color_index]);
if (link) {
DrawBuf.DrawBar(start_x, list.line_h - DrawBuf.zoom - DrawBuf.zoom, line_length, DrawBuf.zoom, text_colors[text_color_index]);
UnsafeDefineButton(start_x-2, start_y-1, line_length + 3, DrawBuf.zoom * list.font_h, PageLinks.count + 400 + BT_HIDE, 0xB5BFC9);
PageLinks.AddText(#line, line_length, list.line_h, UNDERLINE);
}
stolbec += stolbec_len;
}
}
//============================================================================================
void TWebBrowser::LoadInternalPage(dword bufpos, in_filesize){
bufsize = in_filesize;
bufpointer = bufpos;
Parse();
}
//============================================================================================
void TWebBrowser::Parse(){
word bukva[2];
int j;
byte ignor_param;
char temp[768];
dword bufpos = bufpointer;
int line_len;
style.b = style.i = style.u = style.s = style.blq = t_html = t_body =
style.li = link = ignor_text = text_color_index = text_colors[0] = style.li_tab = 0;
end_parsing = false;
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;
draw_line_width = list.w * DrawBuf.zoom;
//for plaint text use CP866 for other UTF
if (strstri(bufpointer, "html"))
{
style.pre = 0;
cur_encoding = CH_CP866;
//WB1.list.SetFont(8, 14, 10111000b);
//list.line_h = list.font_h + 4;
}
else
{
style.pre = 1;
cur_encoding = CH_UTF8;
//WB1.list.SetFont(8, 14, 10001000b);
//list.line_h = list.font_h + 4;
}
for ( ; (bufpointer+bufsize > bufpos) && (ESBYTE[bufpos]!=0); bufpos++;)
{
if (end_parsing) break;
bukva = ESBYTE[bufpos];
if (ignor_text) && (bukva!='<') continue;
switch (bukva)
{
case 0x0a:
if (style.pre)
{
chrcat(#line, ' ');
bukva = temp = NULL;
Perenos();
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 '&': //&nbsp; 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++;
tag = attr = tagparam = ignor_param = NULL;
if (ESBYTE[bufpos] == '!') //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <!-- -->, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
bufpos++;
if (ESBYTE[bufpos] == '-')
{
HH_:
do
{
bufpos++;
if (bufpointer + bufsize <= bufpos) break 2;
}
while (ESBYTE[bufpos] <>'-');
bufpos++;
if (ESBYTE[bufpos] <>'-') goto HH_;
}
}
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();
if (stolbec + utf8_strlen(#line) > list.column_max) Perenos();
DrawPage();
line = NULL;
if (tag) SetTextStyle(WB1.DrawBuf.zoom * 5 + list.x, stroka * list.line_h + list.y + 5); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
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);
if (stolbec + line_len > list.column_max) Perenos();
}
}
DrawPage();
NewLine();
DrawBar(list.x, stroka * list.line_h + list.y + 5, draw_line_width, -stroka * list.line_h + list.h - 5, bg_color);
DrawBar(list.x, list.visible * list.line_h + list.y + 4, draw_line_width, -list.visible * list.line_h + list.h - 4, bg_color);
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;
Parse();
}
DrawScroller();
}
//============================================================================================
void TWebBrowser::Perenos()
{
int perenos_num;
char new_line_text[4096];
perenos_num = strrchr(#line, ' ');
if (!perenos_num) && (utf8_strlen(#line)>list.column_max) perenos_num=list.column_max;
strcpy(#new_line_text, #line + perenos_num);
line[perenos_num] = 0x00;
if (stroka-1 > list.visible) && (list.first <>0) end_parsing=true;
DrawPage();
strcpy(#line, #new_line_text);
NewLine();
}
//============================================================================================
char oldtag[100];
void TWebBrowser::SetTextStyle(int left1, top1) {
dword hr_color;
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="))
{
if (stroka - 1 > list.visible) || (stroka < -2) return;
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(); strcat(#line, "| "); } return; }
if (istag("td")) || (istag("th")) { if (!opened) strcat(#line, " | "); 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("center"))
{
if (opened) style.align = ALIGN_CENTER;
if (!opened)
{
NewLine();
style.align = ALIGN_LEFT;
}
return;
}
if (istag("right"))
{
if (opened) style.align = ALIGN_RIGHT;
if (!opened)
{
NewLine();
style.align = ALIGN_LEFT;
}
return;
}
*/
if (istag("h1")) || (istag("h2")) || (istag("h3")) || (istag("h4")) || (istag("caption")) {
NewLine();
if (opened) && (stroka>1) NewLine();
strcpy(#oldtag, #tag);
if (opened)
{
if (isattr("align=")) && (isval("center")) style.align = ALIGN_CENTER;
if (isattr("align=")) && (isval("right")) style.align = ALIGN_RIGHT;
style.b = 1;
}
if (!opened)
{
style.align = ALIGN_LEFT;
style.b = 0;
}
return;
}
else
oldtag=NULL;
if (istag("dt")) {
style.li = opened;
if (opened) NewLine();
return;
}
if (istag("li")) || (istag("dt")) //<2F><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
style.li = opened;
if (opened)
{
NewLine();
if (stroka > -1) && (stroka - 2 < list.visible)
DrawBuf.DrawBar(style.li_tab * 5 * list.font_w * DrawBuf.zoom + list.x, list.line_h
/ 2 - DrawBuf.zoom - DrawBuf.zoom, DrawBuf.zoom*2, DrawBuf.zoom*2, 0x555555);
}
return;
}
if (istag("ul")) || (istag("ol")) {
if (!opened)
{
style.li = opened;
style.li_tab--;
NewLine();
}
else style.li_tab++;
}
if (istag("hr")) {
if (anchor) || (stroka < -1)
{
stroka+=2;
return;
}
if (strcmp(#attr, "color=") == 0) hr_color = GetColor(#val); else hr_color = 0x999999;
NewLine();
DrawBuf.DrawBar(5, list.line_h/2, list.w-10, 1, hr_color);
NewLine();
}
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.line_h + list.y + 5;
if (!stroka) DrawBar(list.x, list.y, draw_line_width, 5, bg_color);
if (t_html) && (!t_body) return;
if (stroka * list.line_h + 5 >= 0) && ( stroka + 1 * list.line_h + 5 < list.h) && (!anchor)
{
if (style.align == ALIGN_CENTER) && (DrawBuf.zoom==1) DrawBuf.AlignCenter(onleft,ontop,list.w,list.line_h,stolbec * list.font_w);
if (style.align == ALIGN_RIGHT) && (DrawBuf.zoom==1) DrawBuf.AlignRight(onleft,ontop,list.w,list.line_h,stolbec * list.font_w);
DrawBuf.bufy = ontop;
DrawBuf.Show();
DrawBuf.Fill(bg_color);
}
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; }
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