Text-based Browser 0.9, changes in history.txt

git-svn-id: svn://kolibrios.org@2739 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/network/htmlv/browser/HTMLv.c--

@@ -1,7 +1,6 @@
 //HTML Viewer in C--
 //Copyright 2007-2012 by Veliant & Leency
-//Asper, Lrz, Nable, lev.
+//Asper, lev, Lrz, Barsuk, Nable.
-
 //home icon - rachel fu, GPL licence
 
 #include "..\lib\kolibri.h--"
@@ -9,12 +8,12 @@
 #include "..\lib\file_system.h--"
 #include "img\toolbar_icons.c"
 #include "img\URLgoto.txt";
-//Asper
 #include "..\lib\mem.h--"
 #include "..\lib\libio_lib.h--"
 #include "..\lib\libimg_lib.h--"
 #include "..\lib\edit_box_lib.h--"
 #include "..\lib\dll.h--"
+#include "..\lib\scroll_bar\scroll_lib.h--"
 
 //ïåðåìåííûå
 char URL[4096],
@@ -22,15 +21,14 @@ char URL[4096],
 	page_links[12000],
 	header[512];
 
-int max_kolvo_strok,
+int max_kolvo_strok, //lines_visible
-	 max_kolvo_stolbcov,
+	max_kolvo_stolbcov,
-	 count;
+	count, //lines_all
-
+	za_kadrom,
-int za_kadrom,
-	scroll_size,
 	mouse_dd;
 
 edit_box edit1= {250,207,16,0xffffff,0x94AECE,0xffffff,0xffffff,0,248,#editURL,#mouse_dd,2,19,19};
+scroll_bar scroll1 = { 18,200,398, 44,18,0,115,15,0,0xeeeeee,0xD2CED0,0x555555,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1}; //details in scroll_lib.h--
 
 proc_info Form;
 
@@ -43,20 +41,16 @@ void main()
 	mouse m;
 	int btn;
 	byte key;
+	int scroll_size;
 	
-    //Asper [
+	mem_Init();
-        mem_Init();
+	load_dll2(libio, #libio_init,1);
-        $or      eax, eax
+	load_dll2(libimg, #libimg_init,1);
-        $jnz      loc00
+	load_dll2(boxlib, #edit_box_draw,0);
-        return;
+	load_dll2(#abox_lib, #boxlib_init,0);
-      @loc00:
-      load_dll2(libio, #libio_init,1);
-      load_dll2(libimg, #libimg_init,1);
-      load_dll2(boxlib, #edit_box_draw,0);
-    //] Asper
 	
-	IF (param) copystr(#param,#URL);
+	if (param) copystr(#param,#URL);
-	ELSE copystr("/sys/index.htm",#URL);
+		else copystr("/sys/index.htm",#URL);
 
 	copystr(#URL,#editURL);
 	
@@ -67,15 +61,28 @@ void main()
 	SetEventMask(0x27);
 	loop()
 	{
-		switch(WaitEvent())
+		WaitEventTimeout(1);
+		switch(EAX & 0xFF)
+		//switch(WaitEvent())
 		{
 			CASE evMouse:
+				edit_box_mouse stdcall (#edit1);
+				
+				/*scrollbar_v_mouse (#scroll1);      //êîí÷åíûé ñêðîëë ïðèòîðìàæèìàåò, èä¸ì "ñâîèì ïóò¸ì"
+				if (za_kadrom <> scroll1.position)
+				{
+					za_kadrom = scroll1.position;
+					WB1.ParseHTML(buf, filesize);
+					//break;
+				};*/
 				m.get();
+
 				IF (m.vert==65535) //ïðîêðóòêà êîë¸ñèêîì
 				{
 					IF (za_kadrom==0) break;
 					IF (za_kadrom>3) za_kadrom-=2; ELSE za_kadrom=1;
 					WB1.Scan(ID1);
+					break;
 				} 
 				IF (m.vert==1)
 				{
@@ -84,8 +91,11 @@ void main()
 						za_kadrom+=2;
 						WB1.Scan(ID2);
 					}
+					break;
 				}
-				//IF (count<max_kolvo_strok) break;
+				
+				IF (count<max_kolvo_strok) break;
+				scroll_size = WB1.height - 16 * max_kolvo_strok / count - 3;
 				if (m.x>=WB1.width-14) && (m.x<=WB1.width+6)
 				&& (m.y>WB1.top+16) && (m.y<WB1.top+WB1.height-16)
 				&& (count>max_kolvo_strok) while (m.lkm)
@@ -98,6 +108,7 @@ void main()
 					IF (btn<>za_kadrom) WB1.ParseHTML(buf, filesize); //÷òîá ëèøíèé ðàç íå ïåðåðèñîâûâàòü
 					m.get();
 				}
+
 				break;
 			case evButton:
 				btn=GetButtonID();
@@ -119,8 +130,14 @@ void main()
 			case evReDraw:
 				Draw_Window();
 				break;
+			default:
+				if (downloader_id<>0)
+				{
+					if (GetProcessSlot(downloader_id)<>0) break;
+					downloader_id=0;
+					Draw_Window();
+				}
 		}
-		edit_box_mouse stdcall (#edit1);
 	}
 }
 
@@ -148,15 +165,17 @@ void Draw_Window()
 	PutImage(#URLgoto,40,19,onLeft(57,0),14);
 	DefineButton(onLeft(37,0),15, 18, 16, GOTOURL+BT_HIDE, 0xE4DFE1);
 	DefineButton(onLeft(56,0),15, 17, 16, SEARCHWEB+BT_HIDE, 0xE4DFE1);
-	DrawRegion_3D(205,14,onLeft(58,205),18,0x94AECE,0x94AECE); //îáîäîê ïîëîñû àäðåñà
+	DrawRegion(205,14,onLeft(58,205),18,0x94AECE); //îáîäîê ïîëîñû àäðåñà
-	DrawRegion_3D(206,15,onLeft(59,205),16,0xE4ECF3,0xE4ECF3);
+	DrawRegion(206,15,onLeft(59,205),16,0xE4ECF3);
+	
 	edit1.width=Form.width-266;
 	//edit_box_draw stdcall(#edit1); //ðèñóåì ñòðîêó àäðåñà  //shis is right
 	
 	WB1.top=44;
-	WB1.width=Form.width-11;
+	WB1.width=Form.width-13;
 	WB1.height=onTop(43,5);
 	WB1.ShowPage(#URL);
+	
 	//WB1.ParseHTML(buf, filesize); //shis is right
 }
  

programs/network/htmlv/browser/History.txt

@@ -1,3 +1,18 @@
+04.06.12 -- v0.90
+- новый скроллбар из box_lib (спасибо lev);
+- нормальная загрузка страниц без скидывания фокуса с окна;
+- гениальный и грязный хак для работы с downloader'ом, который
+   у меня на машине даёт 99% загрузки страниц вместо 50% ранее;
+- масса исправлений в работе с историей посещений и навигацией;
+- в теге <font> исправлена регрессия.
+
+
+27.05.12 -- v0.83
+- новая иконка кнопки "домой";
+- оптимизация тега <b>;
+- улучшения при работе с книгами xml-подобного формата fb2.
+
+
 13.04.12 -- v0.80
 - поддержка <body> "bgcolor=" и "text=";
 - обработка перехода вверх "../";
@@ -20,7 +35,8 @@
 27.02.12 -- v0.75 -- 11.? Кб
 - при закрытии HTMLv, downloader тоже завершается;
 - невозможно запустить больше одного downloader'a;
-- отображение процесса загрузки страницы из Интернета через кнопочку "остановить", надпись "Loading...", возможность прервать процесс;
+- отображение процесса загрузки страницы из Интернета через кнопочку
+  "остановить", надпись "Loading...", возможность прервать процесс;
 - обновление страницы из Интернета приводит к её повторной загрузке.
 
 

programs/network/htmlv/browser/TWB.h

@@ -1,8 +1,6 @@
 //èäåÿ - ëåâûå ôàéëû îòêðûâàòü ñîîòâåòñòâóþùèìè ïðîãàìè
 //ol - öèôåðêè
 
-//èç õòòï-ëîàä â ðåàäõòìë
-
 
 int	downloader_id;
 
@@ -12,17 +10,14 @@ dword j,
 	blink = 400;
  int i;
 
- char download_path[]="/rd/1/.download";
+char download_path[]="/rd/1/.download";
 //char search_path[]="http://nova.rambler.ru/search?words=";
- char search_path[]="http://nigma.ru/index.php?s=";
+char search_path[]="http://nigma.ru/index.php?s=";
- char version[]=" Text-based Browser 0.83";
+char version[]=" Text-based Browser 0.9";
 
 
 struct TWebBrowser {
-	int left,
+	int left, top, width, height;
-	top,
-	width,
-	height;
 	void DrawScroller();
 	void ShowPage();
 	void ParseHTML(dword, dword);
@@ -111,20 +106,12 @@ void TWebBrowser::Scan(dword id) {
 			utf8rutodos(buf);
 			break;
 		case BACK:
-			BrowserHistory.GoBack();
+			if (!BrowserHistory.GoBack()) return;
-			
+			OpenPage();
-			copystr(#URL, #editURL);
-			za_kadrom = count = 0;
-			if (!strcmp(get_URL_part(5),"http:"))) HttpLoad();
-			ShowPage(#URL);
 			return;
 		case FORWARD:
-			BrowserHistory.GoForward();
+			if (!BrowserHistory.GoForward()) return;
-
+			OpenPage();
-			copystr(#URL, #editURL);
-			za_kadrom = count = 0;
-			if (!strcmp(get_URL_part(5),"http:"))) HttpLoad();
-			ShowPage(#URL);
 			return;
 		case 054: //F5
 			IF(edit1.flags == 66) break;
@@ -156,17 +143,13 @@ void TWebBrowser::Scan(dword id) {
 		case GOTOURL:
 		case 0x0D: //enter
 			copystr(#editURL, #URL);
-			if (!strcmp(get_URL_part(5),"http:"))) HttpLoad();
+			OpenPage();
-			za_kadrom = count = 0;
-			ShowPage(#URL);
 			return;
 		case 173:	//ctrl+enter
 		case SEARCHWEB:
 			copystr(#search_path, #URL);
 			copystr(#editURL, #URL + strlen(#URL));
-			if (!strcmp(get_URL_part(5),"http:"))) HttpLoad();
+			OpenPage();
-			za_kadrom = count = 0;
-			ShowPage(#URL);
 			return;
 
 		case ID1: //ìîòàåì ââåðõ
@@ -201,6 +184,16 @@ void TWebBrowser::Scan(dword id) {
 	ParseHTML(buf, filesize);
 }
 
+void OpenPage()
+{
+	if (GetProcessSlot(downloader_id)<>0) PutPaletteImage(#toolbar,200,42,0,0,8,#toolbar_pal);
+	KillProcess(downloader_id);
+	copystr(#URL, #editURL);
+	za_kadrom = count = 0;
+	if (!strcmp(get_URL_part(5),"http:"))) HttpLoad();
+	WB1.ShowPage(#URL);
+}
+
 void GetNewUrl(){
 	IF (!strcmp(get_URL_part(2),"./")) copystr(#URL+2,#URL); //èãíîðèì :)
 	
@@ -238,6 +231,11 @@ void HttpLoad()
 	DeleteFile(#download_path);
 	IF (URL[strlen(#URL)-1]=='/') URL[strlen(#URL)-1]='';
 	downloader_id = RunProgram("/sys/network/downloader", #URL);
+	//ýòî ãåíèàëüíî è ýòî ïèçäåö!!!
+	Pause(60);
+	KillProcess(downloader_id); //óáèâàåì ñòàðûé ïðîöåññ
+	downloader_id = RunProgram("/sys/network/downloader", #URL);
+	//
 	IF (downloader_id<0) RunProgram("@notify", "Error running Downloader. Internet unavilable.");
 	Draw_Window();
 }
@@ -275,7 +273,7 @@ void TWebBrowser::ShowPage(dword adress) {
 
 	if (!filesize)
 	{
-		DrawBar(left, top, width+2, height, 0xFFFFFF); //çàêðàøèâàåì âñ¸ äîíèçó
+		DrawBar(left, top, width+4, height, 0xFFFFFF); //çàêðàøèâàåì âñ¸ äîíèçó
 		if (GetProcessSlot(downloader_id)<>0) WriteText(left + 10, top + 18, 0x80, 0, "Loading...", 0);
 		else
 		{
@@ -410,7 +408,7 @@ void TWebBrowser::ParseHTML(dword bword, fsize){
 					GOTO DEFAULT_MARK; //îáðàáàòûâàåì áóêâó
 				}
 			
-			WriteDebug(#tag); //òýã íå íàéäåí - âûâîäèì íà äîñêó îòëàäêè
+			//WriteDebug(#tag); //òýã íå íàéäåí - âûâîäèì íà äîñêó îòëàäêè
 			copystr(#tag, #line + strlen(#line)); //âûâîäèì íà ýêðàí íåîáðàáîòàííûé òåã, òàê áðàóçåðû çà÷åì-òî äåëàþò
 			break;
 		default:
@@ -595,7 +593,7 @@ void TWebBrowser::WhatTextStyle(int left1, top1, width1) {
 	/////////////////////////
 	if (!chTag("font"))
 	{
-		IF(stroka < 0) || (stroka - 1 > max_kolvo_strok) return;
+		IF (stroka - 1 > max_kolvo_strok) return;
 		COL_MARK:
 		if (strcmp(#parametr, "color=") == 0) //&& (parametr[1] == '#')
 		{
@@ -766,7 +764,8 @@ void TWebBrowser::WhatTextStyle(int left1, top1, width1) {
 }
 
 
-void TextGoDown(int left1, top1, width1) {
+void TextGoDown(int left1, top1, width1)
+{
 	stroka++;
 	IF(blq_text == 1) stolbec = 8;
 	ELSE stolbec = 0;
@@ -776,23 +775,18 @@ void TextGoDown(int left1, top1, width1) {
 
 
 //ñêðîëë
-void TWebBrowser::DrawScroller() {
+void TWebBrowser::DrawScroller() //íå îïòèìàëüíàÿ îòðèñîâêà, íî çàòî â îäíîì ìåñòå
-	dword on_y;
+{
-	DrawBar(left + width - 15, top + 17, 1, height - 34, 0x94AECE); //ëèíèÿ ñëåâà îò ïðîêðóòêè 
+	scroll1.max_area = count;
-	DrawFlatButton(left + width - 15, top + height - 17, 16, 16, ID2, 0xE4DFE1, "\x19");
+	scroll1.cur_area = max_kolvo_strok;
-	DrawFlatButton(left + width - 15, top, 16, 16, ID1, 0xE4DFE1, "\x18");
+	scroll1.position = za_kadrom;
 
-	IF(count <= max_kolvo_strok) {
+	scroll1.all_redraw=1;
-		DrawBar(left + width - 14, top+17, 16, height - 34, 0xCED0D0);
+	scroll1.start_x=Form.width-28; //left + width - 15
-		return;
+	scroll1.size_y=WB1.height;
-	}
 
-	scroll_size = height - 16 * max_kolvo_strok / count - 3;
+	scrollbar_v_draw(#scroll1);
-	IF(scroll_size < 10) scroll_size = 10;
+
-	IF(za_kadrom + max_kolvo_strok >= count) on_y = height - scroll_size + top - 17;
+	DefineButton(scroll1.start_x+1, scroll1.start_y+1, 16, 16, ID1+BT_HIDE, 0xE4DFE1);
-	ELSE on_y = height - 32 * za_kadrom / count + top + 16;
+	DefineButton(scroll1.start_x+1, scroll1.start_y+scroll1.size_y-18, 16, 16, ID2+BT_HIDE, 0xE4DFE1);
-	DrawFlatButton(left + width - 15, on_y, 16, scroll_size, 0, 0xE4DFE1, ""); //ïîëçóíîê
-	IF(on_y > top + 17) DrawBar(left + width - 14, top + 17, 16, on_y - top - 17, 0xCED0D0); //ïîëå äî ïîëçóíêà
-	IF(height - scroll_size + top - 17 > on_y)
-		DrawBar(left + width - 14, on_y + scroll_size + 1, 16, height - scroll_size - on_y + top - 18, 0xCED0D0); //ïîëå ïîñëå ïîëçóíêà
 }

programs/network/htmlv/browser/include/history.h

@@ -1,8 +1,8 @@
 struct UrlsHistory {
 	dword CurrentUrl();
 	void AddUrl();
-	void GoBack();
+	byte GoBack();
-	void GoForward();
+	byte GoForward();
 };
 
 UrlsHistory BrowserHistory;
@@ -39,17 +39,20 @@ void UrlsHistory::AddUrl() //
 }
 
 
-void UrlsHistory::GoBack()
+byte UrlsHistory::GoBack()
 {
-	if (history_current<=1) return;
+	if (history_current<=1) return 0;
+	
 	history_current--;
 	copystr(#history_list[history_current].Item,#URL);
+	 return 1;
 }
 
 
-void UrlsHistory::GoForward()
+byte UrlsHistory::GoForward()
 {
-	if (history_current==history_num) return;
+	if (history_current==history_num) return 0;
 	history_current++;
 	copystr(#history_list[history_current].Item,#URL);
+	return 1;
 }

programs/network/htmlv/lib/random.h--

@@ -0,0 +1,52 @@
+/*******************************************************************************
+
+    MenuetOS MineSweeper
+    Copyright (C) 2003  Ivan Poddubny
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*******************************************************************************/
+
+dword generator;  // random number generator - äëÿ ãåíåðàöèè ñëó÷àéíûõ ÷èñåë
+
+:int random(int max)
+// get pseudo-random number - ïîëó÷èòü ïñåâäîñëó÷àéíîå ÷èñëî
+{
+  $rdtsc        // eax & edx
+  $xor eax,edx
+  $not eax
+
+  EBX = generator;
+  $ror ebx,3
+  $xor ebx,0xdeadbeef
+  EBX += EAX;
+  generator = EBX;
+  
+  EAX += EBX;
+  EAX = EAX % max;
+  return EAX;
+}
+
+:randomize()
+// initialize random number generator - èíèöèàëèçèðîâàòü ãåíåðàòîð ñëó÷àéíûõ ÷èñåë
+{
+  asm
+  {
+    mov eax,3
+    int 0x40
+    ror eax,16
+  }
+  generator = EAX;
+}

programs/network/htmlv/lib/scroll_bar/scroll_dll.h--

@@ -0,0 +1,43 @@
+:int load_dll3(dword dllname, import_table)
+{
+        EAX = 68;
+        EBX = 19;
+        ECX = dllname;
+        $int     0x40
+        IF(EAX==0) GOTO exit3;
+
+        EDX = EAX;
+        ESI = import_table;
+
+@import_loop3:
+        $lodsd
+        IF(EAX==0) GOTO import_done3;
+        $push    edx
+@import_find3:
+        EBX = DSDWORD[EDX];
+        IF(EBX==0) GOTO exit3;
+        $push    eax
+@next3:
+        CL = DSBYTE[EAX];
+        $cmp     CL,DSBYTE[EBX];
+        $jnz     import_find_next3
+        IF (CL==0) GOTO import_found3;
+        EAX++;
+        EBX++;
+        goto     next3;
+@import_find_next3:
+        $pop     eax
+        EDX = EDX + 8;
+        goto     import_find3;
+@import_found3:
+        $pop     ebx
+        EAX = DSDWORD[EDX+4];
+        DSDWORD[ESI-4] = EAX;
+        $pop     edx
+
+        goto     import_loop3;
+@import_done3:
+        return 0;
+@exit3:
+        return -1;
+}

programs/network/htmlv/lib/scroll_bar/scroll_lib.h--

@@ -0,0 +1,95 @@
+//lev
+//:dword boxlib = #abox_lib;
+:char abox_lib[]="/sys/lib/box_lib.obj";
+
+:char aboxlib_init[]  = "lib_init";
+:char aScrollbar_v_draw	= "scrollbar_v_draw";
+:char aScrollbar_v_mouse	= "scrollbar_v_mouse";
+:char aScrollbar_h_draw	= "scrollbar_h_draw";
+:char aScrollbar_h_mouse	= "scrollbar_h_mouse";
+:char aVersion_scrollbar	= "version_scrollbar";
+
+dword boxlib_init = #aboxlib_init;
+dword scrollbar_v_draw	= #aScrollbar_v_draw;
+dword scrollbar_v_mouse	= #aScrollbar_v_mouse;
+dword scrollbar_h_draw	= #aScrollbar_h_draw;
+dword scrollbar_h_mouse	= #aScrollbar_h_mouse;
+:dword version_scrollbar	= #aVersion_scrollbar;
+
+dword  sc_am__ = 0x0;
+dword  sc_bm__ = 0x0;
+
+struct scroll_bar
+{
+//scroll_bar:
+word size_x,//		equ [edi]
+start_x,//		equ [edi+2]
+size_y,//		equ [edi+4]
+start_y;//		equ [edi+6]
+dword btn_height, //		equ [edi+8]
+type,//			equ [edi+12]
+max_area,//		equ [edi+16]
+cur_area,//		equ [edi+20]
+position,//		equ [edi+24]
+bckg_col,//		equ [edi+28]
+frnt_col,//		equ [edi+32]
+line_col,//		equ [edi+36]
+redraw;//		equ [edi+40]
+word delta,//		equ [edi+44]
+delta2,//		equ [edi+46]
+r_size_x,//		equ [edi+48]
+r_start_x,//	equ [edi+50]
+r_size_y,//		equ [edi+52]
+r_start_y;//	equ [edi+54]
+dword m_pos,//		equ [edi+56]
+m_pos_2,//		equ [edi+60]
+m_keys,//		equ [edi+64]
+run_size,//		equ [edi+68]
+position2,//	equ [edi+72]
+work_size,//	equ [edi+76]
+all_redraw,//	equ [edi+80]
+ar_offset;//	equ [edi+84]
+};
+
+/*scroll_bar scroll1 = {
+18,//word size_x,
+200, //start_x,
+398, //size_y,
+44,//start_y;
+18,//dword btn_height,
+0,//type,
+115,//max_area, (100+cur_area)
+15,//cur_area,
+0,//position,
+0xeeeeee,//bckg_col,
+0xD2CED0,//frnt_col,
+0x555555,//line_col,
+0,//redraw;
+0,//word delta,
+0,//delta2,
+0,//r_size_x,
+0,//r_start_x,
+0,//r_size_y,
+0,//r_start_y;
+0,//dword m_pos,
+0,//m_pos_2,
+0,//m_keys,
+0,//run_size,
+0,//position2,
+0,//work_size,
+1,//all_redraw,
+1//ar_offset;
+};*/
+
+//btn_height - ¢ëá®â  ¡®ª®¢ëå ª­®¯®ª («¥¢ ï ¨ ¯à ¢ ï ¤«ï £®à¨§. ¨ ¢¥àå­ïï ¨ ­¨¦­ïï ¤«ï ¢¥àâ.)
+//type - type - 0-1-2, ®áâ «ì­ë¥ ¢ë£«ï¤ïâ ª ª 0.
+//max_area - ®¡« áâì ¬ ªá¨¬ «ì­ ï,  ªâã «ì­® ª®£¤  ­¥ ¢« §¨â ¢ ®â®¡à ¦ ¥¬ãî ®¡« áâì, â.¥. á«ãç ©  ªâ¨¢­®á⨠ª®¬¯®­¥­â  (¢¥áì ¬ ªá¨¬ «ì­ë© à §¬¥à ¤®ªã¬¥­â )
+//cur_area - à §¬¥à ¡¥£ã­ª //®¡« áâì ®â®¡à ¦ ¥¬ ï (ª ª ï ç áâì ¤®ªã¬¥­â  ¢« §¨â ¢ íªà ­)
+//position - ¯®§¨æ¨ï ¡¥£ã­ª  ¨§¬¥­ï¥¬ ï ®â 0 ¤® §­ ç¥­¨ï (max_area-cur_area)
+//bckg_col - 梥⠢­ãâ७­¨©, ¯à¨¬¥­ï¥âáï ¤«ï ®¡« á⥩ ¬¥¦¤ã ¡¥£ã­ª®¬ ¨ ª­®ª ¬¨
+//frnt_col - 梥⠭ à㦭ë©, ¯à¨¬¥­ï¥âáï ¤«ï ®¡« á⥩ ®â«¨ç­ëå ®â ¯à¨¬¥­ï¥¬ëå ¢ bckg_col
+//line_col - 梥⠫¨­¨© ¨ áâ५®ª ­  ª­®¯ª å
+//redraw - ¨­¤¨ª â®à ­¥®¡å®¤¨¬®á⨠¯¥à¥à¨á®¢ª¨ ã¯à ¢«ï¥¬®© ®¡« á⨠ãç¨âë¢ ï ¨§¬¥­¥­¨¥ position ¨ cur_area
+//delta2 - ¨­¤¨ª â®à § å¢ â  䮪ãá  áªà®««¡ à®¬ (㤥ঠ­¨¥ ¡¥£ã­ª )
+//all_redraw - ä« £ ãáâ ­ ¢«¨¢ ¥¬ë© ¢ 1 ¤«ï ¯¥à¥à¨á®¢ª¨ ¢á¥£® ª®¬¯®­¥­â , ¥á«¨ ¯®áâ ¢¨âì 0, â® ¯¥à¥à¨á®¢ª  ¯à®¨á室¨â ⮫쪮 ¤«ï ®¡« á⨠¡¥£ã­ª . ‚¢¥¤¥­® ¤«ï ã᪮७¨ï ®âà¨á®¢ª¨, ¯®áª®«ìªã ­¥ ¢® ¢á¥å á«ãç ïå âॡã¥âáï ¯à¨­ã¤¨â¥ì­® ®âà¨á®¢ë¢ âì ¢á¥ ç á⨠ª®¬¯®­¥­â . Š®£¤  ¢ë§ë¢ ¥âáï ¯® ᮡëâ¨î ¬ëè¨ ¢á¥£¤  ®âà¨á®¢ë¢ ¥âáï á ¬¨¬ ª®¬¯®­¥­â®¬ á® §­ ç¥­¨¥¬ 0.
+//ar_offset - ¢¥«¨ç¨­  ᬥ饭¨ï ¯à¨ ®¤­®ªà â­®¬ ­ ¦ â¨¨ ¡®ª®¢®© ª­®¯ª¨.