Subversion Repositories Kolibri OS

#define MEMSIZE 4096*20

#include "../lib/font.h"

#include "../lib/gui.h"

#include "../lib/list_box.h"

#include "../lib/obj/box_lib.h"

#include "../lib/obj/libini.h"

#include "../lib/obj/iconv.h"

#include "../lib/obj/proc_lib.h"

#include "../lib/patterns/libimg_load_skin.h"

#include "../lib/patterns/simple_open_dialog.h"

#define TOOLBAR_H 34

char default_dir[] = "/rd/1";

od_filter filter2 = {0,0};

scroll_bar scroll = { 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};

llist list;

proc_info Form;

char title[4196];

byte help_opened = false;

char char_width[255];

dword line_offset;

#define DWORD 4;

enum {

	OPEN_FILE,

	MAGNIFY_MINUS,

	MAGNIFY_PLUS,

	CHANGE_ENCODING,

	RUN_EDIT,

	SHOW_INFO,

};

#include "ini.h"

#include "menu.h"

void main()

{

	byte btn;

	load_dll(boxlib, #box_lib_init,0);

	load_dll(libio, #libio_init,1);

	load_dll(libimg, #libimg_init,1);

	load_dll(libini, #lib_init,1);

	load_dll(iconv_lib, #iconv_open,0);

	load_dll(Proc_lib, #OpenDialog_init,0);

	OpenDialog_init stdcall (#o_dialog);

	font.no_bg_copy = true; font.color = 0; font.bg_color = 0xFFFFFF;

	font.load("/sys/fonts/Tahoma.kf"); if (!font.data) { io.run("/sys/@notify","'Error: Font is not loaded.' -E"); ExitProcess(); }

	Libimg_LoadImage(#skin, abspath("toolbar.png"));

	LoadIniSettings();

	OpenFile(#param);

	list.no_selection = true;

	SetEventMask(10000000000000000000000001100111b);

	loop()

	{

	switch(WaitEvent())

	{

	   	case evMouse:

      		mouse.get();

      		list.wheel_size = 7;

			if (list.MouseScroll(mouse.vert)) { DrawPage(); break; }

			scrollbar_v_mouse (#scroll); if (list.first != scroll.position) { list.first = scroll.position; DrawPage(); }

			break;

		case evKey:

			if (help_opened) { help_opened=false; DrawPage(); break; }

			GetKeys();

			if (key_scancode==059) goto _SHOW_INFO;

			if (key_modifier&KEY_LCTRL) || (key_modifier&KEY_RCTRL) {

				if (key_scancode==024) goto _OPEN_FILE;

				if (key_scancode==SCAN_CODE_UP) goto _MAGNIFY_PLUS;

				if (key_scancode==SCAN_CODE_DOWN) goto _MAGNIFY_MINUS;

				if (key_scancode==018) goto _RUN_EDIT;

				if (key_scancode==SCAN_CODE_TAB) goto _CHANGE_ENCODING;

				break;

			}

			if (list.ProcessKey(key_scancode)) DrawPage();

			break;

		case evButton:

			btn = GetButtonID();

			if (btn==1) { SaveIniSettings(); ExitProcess(); }

			btn-=10;

			if (btn==OPEN_FILE) { _OPEN_FILE: OpenDialog_start stdcall (#o_dialog); OpenFile(#openfile_path); PreparePage(); }

			else if (btn==MAGNIFY_PLUS)  { _MAGNIFY_PLUS: font.size.text++; if(!font.changeSIZE())font.size.text--; else PreparePage(); }

			else if (btn==MAGNIFY_MINUS) { _MAGNIFY_MINUS: font.size.text--; if(!font.changeSIZE())font.size.text++; else PreparePage(); }

			else if (btn==CHANGE_ENCODING) { _CHANGE_ENCODING: CreateThread(#menu_rmb,#stak+4092); break; }

			else if (btn==RUN_EDIT) { _RUN_EDIT: io.run("/sys/tinypad",#param); }

			else if (btn==SHOW_INFO) { _SHOW_INFO: ShowAbout(); }

			break;

		case evReDraw:

			if (action_buf) {

				OpenFile(#param);

				PreparePage();

				action_buf = false;

			};

			draw_window();

	  }

	}

}

void draw_window()

{

	DefineAndDrawWindow(Form.left,Form.top,Form.width,Form.height,0x73,0,#title);

	GetProcessInfo(#Form, SelfInfo);

	if (Form.status_window>2) return;

	if (Form.width  < 200) { MoveSize(OLD,OLD,200,OLD); return; }

	if (Form.height < 200) { MoveSize(OLD,OLD,OLD,200); return; }

	DrawBar(0, 0, Form.cwidth, TOOLBAR_H - 1, 0xe1e1e1);

	DrawBar(0, TOOLBAR_H - 1, Form.cwidth, 1, 0x7F7F7F);

	DrawToolbarButton(OPEN_FILE, 8);

	DrawToolbarButton(MAGNIFY_PLUS, 42);

	DrawToolbarButton(MAGNIFY_MINUS, 67);

	DrawToolbarButton(CHANGE_ENCODING, 101);

	DrawToolbarButton(RUN_EDIT, 135);

	DrawToolbarButton(SHOW_INFO, Form.cwidth - 34);

	if (Form.cwidth-scroll.size_x-1 == list.w) && (Form.cheight-TOOLBAR_H == list.h) && (list.count) DrawPage(); else PreparePage();

	DrawRectangle(scroll.start_x, scroll.start_y, scroll.size_x, scroll.size_y-1, scroll.bckg_col);

}

void DrawPage()

{

	_PutImage(list.x,list.y,list.w,list.h,list.first*list.item_h*list.w*3 + font.buffer);

	DrawScroller();

}

void PreparePage()

{

	char line[4096]=0;

	dword line_start;

	byte ch;

	dword bufoff;

	dword line_length=30;

	dword stroka_y = 5;

	dword stroka=0;

	int i, srch_pos;

	font.changeSIZE();

	list.w = Form.cwidth-scroll.size_x-1;

	//get font chars width, need to increase performance

	for (i=0; i<256; i++) char_width[i] = font.symbol_size(i);

	//get font buffer height

	for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)

	{

		ch = ESBYTE[bufoff];

		line_length += char_width[ch];

		if (line_length>=list.w) || (ch==10) {

			srch_pos = bufoff;

			loop()

			{

				if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break

				if (srch_pos == line_start) break; //no white space found in whole line

				srch_pos--;

			}

			line_start = bufoff;

			line_length = 30;

			stroka++;

		}

	}

	//draw text in buffer

	list.count = stroka+2;

	list.SetSizes(0, TOOLBAR_H, list.w, Form.cheight-TOOLBAR_H, font.size.text+1);

	if (list.count < list.visible) list.count = list.visible;

	font.size.height = list.count+1*list.item_h;

	font.buffer_size = 0;

	line_length = 30;

	line_start = io.buffer_data;

	for (bufoff=io.buffer_data; ESBYTE[bufoff]; bufoff++)

	{

		ch = ESBYTE[bufoff];

		line_length += char_width[ch];

		if (line_length>=list.w) || (ch==10)

		{

			//set word break

			srch_pos = bufoff;

			loop()

			{

				if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break

				if (srch_pos == line_start) break; //no white space found in whole line

				srch_pos--;

			}

			i = bufoff-line_start;

			strlcpy(#line, line_start, i);

			font.prepare_buf(8,stroka_y,list.w,font.size.height, #line);

			stroka_y += list.item_h;

			line_start = bufoff;

			line_length = 30;

		}

	}

	font.prepare_buf(8,stroka_y,list.w,font.size.height, line_start);

	SmoothFont(font.buffer, font.size.width, font.size.height);

	DrawPage();

}

void DrawToolbarButton(char image_id, int x)

{

	DefineButton(x, 5, 26-1, 24-1, 10+image_id + BT_HIDE, 0);

	img_draw stdcall(skin.image, x, 5, 26, 24, 0, image_id*24);

}

void DrawScroller()

{

	scroll.max_area = list.count;

	scroll.cur_area = list.visible;

	scroll.position = list.first;

	scroll.all_redraw = 0;

	scroll.start_x = list.x + list.w;

	scroll.start_y = list.y;

	scroll.size_y = list.h;

	scroll.start_x = list.x + list.w;

	scrollbar_v_draw(#scroll);

}

void OpenFile(dword f_path)

{

	int tmp;

	if (ESBYTE[f_path]) {

		strcpy(#param, f_path);

		io.read(#param);

		strcpy(#title, #param);

		strcat(#title, " - Text Reader");

	}

	else {

		if (list.count) return;

		io.buffer_data = "This is a plain text reader.\nTry to open some text file.";

		strcpy(#title, "Text Reader");

	}

	if (encoding!=CH_CP866) ChangeCharset(charsets[encoding], "CP866", io.buffer_data);

	list.KeyHome();

	list.ClearList();

}

char *about[] = {

	"Text Reader v1.0",

	"Idea: Leency, punk_joker",

	"Code: Leency, KolibriOS Team",

	" ",

	"Hotkeys:",

	"Ctrl+O - open file",

	"Ctrl+Up - bigger font",

	"Ctrl+Down - smaller font",

	"Ctrl+Tab - select charset",

	"Ctrl+E - edit current document",

	" ",

	"Press any key...",

};

ShowAbout() {

	int i;

	help_opened = true;

	DrawBar(list.x, list.y, list.w, list.h, 0xFFFfff);

	WriteText(list.x + 10, list.y + 10, 10000001b, 0x555555, about[0]);

	for (i=1; about[i]; i++) WriteText(list.x + 10, i+1*20 + list.y, 10110000b, 0, about[i]);

}