kolibrios/programs/cmm/browser/TWB/TWB.c
Kirill Lipatov (Leency) 7592583563 do not include config.inc into IMG, use var in macros.inc as it was before
webview: more peach default bg

git-svn-id: svn://kolibrios.org@9604 a494cfbc-eb01-0410-851d-a64ba20cac60
2022-01-09 10:00:41 +00:00

288 lines
7.4 KiB
C

#include "TWB\colors.h"
#include "TWB\anchors.h"
#include "TWB\parse_tag.h"
#include "TWB\special.h"
#include "TWB\tag_list.h"
#define DEFAULT_BG_COL 0xffFBE5E4; //- peach; 0xffEBE8E9 - more grey
dword link_color_default;
dword link_color_active;
#include "TWB\links.h"
#define BODY_MARGIN 6
#define BASIC_CHAR_W 8
#define BASIC_LINE_H 18
struct STYLE {
bool
b, u, s, h,
font,
pre,
blq,
button,
image,
nav, header;
LIST tag_list;
dword title;
dword cur_line_h;
void reset();
};
void STYLE::reset()
{
b = u = s = h = font = pre = blq =
title = button = image = nav = header = false;
cur_line_h = NULL;
tag_list.reset();
}
struct TWebBrowser {
llist list;
STYLE style;
dword draw_y, draw_x, draw_w, left_gap;
dword o_bufpointer;
int cur_encoding, custom_encoding;
bool link, t_html, t_body;
dword bufpointer;
dword bufsize;
dword is_html;
collection img_url;
char header[150];
char linebuf[500];
char redirect[URL_SIZE];
bool secondrun;
void SetStyle();
void RenderTextbuf();
void RenderLine();
bool RenderImage();
void SetPageDefaults();
void ParseHtml();
void Reparse();
void NewLine();
void ChangeEncoding();
void AddCharToTheLine();
void DrawPage();
void tag_a();
void tag_p();
void tag_img();
void tag_div();
void tag_h1234_caption();
void tag_ol_ul_dt();
void tag_li();
void tag_q();
void tag_hr();
void tag_code();
void tag_meta_xml();
void tag_body();
void tag_iframe();
void tag_title();
void tag_font();
void tag_table_reset();
void tag_table();
void tag_td();
void tag_tr();
};
#include "TWB\render.h"
#include "TWB\set_style.h"
//============================================================================================
void TWebBrowser::SetPageDefaults()
{
t_html = t_body = link = false;
style.reset();
link_color_default = 0x0000FF;
link_color_active = 0xFF0000;
style.cur_line_h = list.item_h;
links.clear();
anchors.clear();
img_url.drop();
text_colors.drop();
text_colors.add(0);
bg_colors.drop();
bg_colors.add(DEFAULT_BG_COL);
canvas.Fill(0, DEFAULT_BG_COL);
header = NULL;
draw_y = BODY_MARGIN;
draw_x = left_gap = BODY_MARGIN;
draw_w = list.w - BODY_MARGIN;
linebuf = 0;
redirect = '\0';
list.SetFont(8, 14, 10011000b);
tag_table_reset();
is_html = true;
if (!strstri(bufpointer, "<body")) {
t_body = true;
if (!strstri(bufpointer, "<html")) && (!strstri(bufpointer, "<head")) && (!strstri(bufpointer, "<title"))
&& (!strstr(bufpointer, "<?xml")) && (!strstr(bufpointer, "<xml")) {
style.pre = true; //show linebreaks for a plaint text
is_html = false;
}
}
}
//============================================================================================
void TWebBrowser::Reparse()
{
ParseHtml(bufpointer, bufsize);
}
//============================================================================================
void TWebBrowser::ParseHtml(dword _bufpointer, _bufsize){
int tab_len;
dword bufpos;
bufsize = _bufsize;
if (list.w!=canvas.bufw) canvas.Init(list.x, list.y, list.w, 400*20);
if (bufpointer == _bufpointer) {
custom_encoding = cur_encoding;
} else {
bufpointer = malloc(bufsize);
memmov(bufpointer, _bufpointer, bufsize);
//hold original buffer
o_bufpointer = malloc(bufsize);
memmov(o_bufpointer, bufpointer, bufsize);
cur_encoding = CH_CP866;
if (custom_encoding != -1) {
cur_encoding = custom_encoding;
bufpointer = ChangeCharset(cur_encoding, CH_CP866, bufpointer);
bufsize = strlen(bufpointer);
}
}
table.cols.drop();
secondrun = false;
_PARSE_START_:
SetPageDefaults();
for (bufpos=bufpointer; bufpos < bufpointer+bufsize; bufpos++;)
{
if (style.pre) {
if (ESBYTE[bufpos] == 0x0a) {
RenderTextbuf();
NewLine();
continue;
}
if (ESBYTE[bufpos] == 0x09) {
tab_len = draw_x - left_gap / list.font_w + strlen(#linebuf) % 4;
if (!tab_len) tab_len = 4; else tab_len = 4 - tab_len;
while (tab_len) {chrcat(#linebuf,' '); tab_len--;}
continue;
}
}
if (ESBYTE[bufpos] == '&') {
bufpos = GetUnicodeSymbol(#linebuf, sizeof(TWebBrowser.linebuf), bufpos+1, bufpointer+bufsize);
continue;
}
if (ESBYTE[bufpos] == '<') && (is_html) {
if (strchr("!/?abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", ESBYTE[bufpos+1])) {
bufpos++;
if (tag.parse(#bufpos, bufpointer + bufsize)) {
/*
if (secondrun)
{
if (streq(#tag.name, "tr")) debugln(" ");
if (!tag.opened) {
debugch('/');
} else {
debugch(' ');
}
debugln(sprintf(#param, "%s x%i y%i %s",
#tag.name, draw_x, draw_y, #linebuf));
}
//*/
RenderTextbuf();
if (debug_mode) { debugch('<'); if(!tag.opened)debugch('/'); debug(#tag.name); debugln(">"); }
$push cur_encoding
SetStyle();
$pop eax
// The thing is that UTF if longer than other encodings.
// So if encoding was changed from UTF to DOS than $bufpos position got wrong,
// and we have to start parse from the very beginning
if (EAX != cur_encoding) && (cur_encoding == CH_UTF8) {
ParseHtml(bufpointer, strlen(bufpointer));
return;
}
}
continue;
}
}
AddCharToTheLine(ESBYTE[bufpos]);
}
if (!secondrun) {
secondrun = true;
goto _PARSE_START_;
}
RenderTextbuf();
list.count = draw_y + style.cur_line_h;
canvas.bufh = math.max(list.visible, list.count);
buf_data = realloc(buf_data, canvas.bufh * canvas.bufw * 4 + 8);
list.CheckDoesValuesOkey();
anchors.current = NULL;
if (!header) {
strncpy(#header, #version, sizeof(TWebBrowser.header)-1);
DrawTitle(#header);
}
}
//============================================================================================
void TWebBrowser::AddCharToTheLine(unsigned char _char)
{
dword line_len = strlen(#linebuf);
if (_char<=15) _char=' ';
if (!style.pre) && (_char == ' ')
{
if (linebuf[line_len-1]==' ') return; //no double spaces
if (draw_x==left_gap) && (!linebuf) return; //no paces at the beginning of the line
if (link) && (line_len==0) return;
}
if (line_len < sizeof(TWebBrowser.linebuf)) {
chrcat(#linebuf+line_len, _char);
} else {
RenderTextbuf();
}
}
//============================================================================================
void TWebBrowser::ChangeEncoding(int _new_encoding)
{
if (cur_encoding == _new_encoding) return;
cur_encoding = _new_encoding;
bufpointer = ChangeCharset(cur_encoding, CH_CP866, bufpointer);
if (header) {
ChangeCharset(cur_encoding, CH_CP866, #header);
DrawTitle(#header);
}
}
//============================================================================================
scroll_bar scroll_wv = { 15,NULL,NULL,NULL,
0,2,NULL,0,0,0xeeeeee,0xBBBbbb,0xeeeeee};
void TWebBrowser::DrawPage()
{
if (list.w!=canvas.bufw) Reparse();
canvas.Show(list.first, list.h);
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;
if (list.count <= list.visible) {
DrawBar(scroll_wv.start_x, scroll_wv.start_y, scroll_wv.size_x,
scroll_wv.size_y, bg_colors.get(0) & 0x00FFFFFF);
} else {
scrollbar_v_draw(#scroll_wv);
}
}