Subversion Repositories Kolibri OS

#define MEMSIZE 4096*20

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

#include "../lib/io.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

#define TOOLBAR_ICON_WIDTH  26

#define TOOLBAR_ICON_HEIGHT 24

#define TOOLBAR_OPEN_FILE_LEFT       8

#define TOOLBAR_MAGNIFY_PLUS_LEFT    42

#define TOOLBAR_MAGNIFY_MINUS_LEFT   67

#define TOOLBAR_CHANGE_ENCODING_LEFT 101

#define TOOLBAR_RUN_EDIT_LEFT        135

#define DEFAULT_FONT   "/sys/fonts/Tahoma.kf"

#define DEFAULT_EDITOR "/sys/tinypad"

#define INTRO_TEXT "This is a plain text reader.\nTry to open some text file."

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 = 10,

	MAGNIFY_MINUS,

	MAGNIFY_PLUS,

	CHANGE_ENCODING,

	RUN_EDIT,

	SHOW_INFO,

};

#include "ini.h"

#include "menu.h"

void InitDlls()

{

	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);

}

void EventShowInfo()

{

	ShowAbout();

}

void EventOpenFile()

{

	OpenDialog_start stdcall (#o_dialog);

	OpenFile(#openfile_path);

	PreparePage();

}

void EventMagnifyPlus()

{

	font.size.text++;

	if(!font.changeSIZE())

		font.size.text--;

	else

		PreparePage();

}

void EventMagnifyMinus()

{

	font.size.text--;

	if(!font.changeSIZE())

		font.size.text++;

	else

		PreparePage();

}

void EventRunEdit()

{

	io.run(DEFAULT_EDITOR, #param);

}

void EventChangeEncoding()

{

	CreateThread(#menu_rmb,#stak+4092);

}

void HandleMouseEvent()

{

	mouse.get();

	list.wheel_size = 7;

	if (list.MouseScroll(mouse.vert)) {

		DrawPage();

		return;

	}

	scrollbar_v_mouse (#scroll);

	if (list.first != scroll.position) {

		list.first = scroll.position;

		DrawPage();

	}

}

void HandleKeyEvent()

{

	if (help_opened) {

		help_opened = false;

		DrawPage();

		return;

	}

	GetKeys();

	if (key_scancode==059) {

		EventShowInfo();

		return;

	}

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

		switch (key_scancode)

		{

			case 024:

				EventOpenFile();

				break;

			case SCAN_CODE_UP:

				EventMagnifyPlus();

				break;

			case SCAN_CODE_DOWN:

				EventMagnifyMinus();

				break;

			case 018:

				EventRunEdit();

				break;

			case SCAN_CODE_TAB:

				EventChangeEncoding();

				break;

		}

		return;

	}

	if (list.ProcessKey(key_scancode))

		DrawPage();

}

void HandleButtonEvent()

{

	byte btn = GetButtonID();

	if (btn==1) {

		SaveIniSettings();

		ExitProcess();

	}

	btn-=10;

	switch(btn)

	{

		case OPEN_FILE:

			EventOpenFile();

			break;

		case MAGNIFY_PLUS:

			EventMagnifyPlus();

			break;

		case MAGNIFY_MINUS:

			EventMagnifyMinus();

			break;

		case CHANGE_ENCODING:

			EventChangeEncoding();

			break;

		case RUN_EDIT:

			EventRunEdit();

			break;

		case SHOW_INFO:

			EventShowInfo();

			break;

	}

}

void main()

{

	InitDlls();

	OpenDialog_init stdcall (#o_dialog);

	font.no_bg_copy = true;

	font.color      = 0;

	font.bg_color   = 0xFFFFFF;

	font.load(DEFAULT_FONT);

	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:

				HandleMouseEvent();

				break;

			case evKey:

				HandleKeyEvent();

				break;

			case evButton:

				HandleButtonEvent();

				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,       TOOLBAR_OPEN_FILE_LEFT);

	DrawToolbarButton(MAGNIFY_PLUS,    TOOLBAR_MAGNIFY_PLUS_LEFT);

	DrawToolbarButton(MAGNIFY_MINUS,   TOOLBAR_MAGNIFY_MINUS_LEFT);

	DrawToolbarButton(CHANGE_ENCODING, TOOLBAR_CHANGE_ENCODING_LEFT);

	DrawToolbarButton(RUN_EDIT,        TOOLBAR_RUN_EDIT_LEFT);

	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, TOOLBAR_ICON_WIDTH-1, TOOLBAR_ICON_HEIGHT-1, 10+image_id + BT_HIDE, 0);

	img_draw stdcall(skin.image, x, 5, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, 0, image_id*TOOLBAR_ICON_HEIGHT);

}

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 = INTRO_TEXT;

		strcpy(#title, "Text Reader");

	}

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

	list.KeyHome();

	list.ClearList();

}

char *about[] = {

	"Text Reader v1.01",

	"Idea: Leency, punk_joker",

	"Code: Leency, Veliant, 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]);

}