Subversion Repositories Kolibri OS

#define MEMSIZE 4096*25

//===================================================//

//                                                   //

//                       LIB                         //

//                                                   //

//===================================================//

#include "../lib/io.h"

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

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

#include "../lib/kfont.h"

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

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

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

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

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

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

//===================================================//

//                                                   //

//                       DATA                        //

//                                                   //

//===================================================//

#define TOOLBAR_H 34

#define TOOLBAR_ICON_WIDTH  26

#define TOOLBAR_ICON_HEIGHT 24

#define DEFAULT_EDITOR "/sys/tinypad"

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

#define VERSION "Text Reader v1.3"

#define ABOUT "Idea: Leency, punk_joker

Code: Leency, Veliant, KolibriOS Team

Hotkeys:

Ctrl+O - open file

Ctrl+I - show file properties

Ctrl+Up - bigger font

Ctrl+Down - smaller font

Ctrl+Tab - select charset

Ctrl+E - reopen current file in another app

Press any key..."

dword color_schemes[] = {

0xFFFfff, 0,

0xF0F0F0, 0,

0xFDF6E3, 0x101A21,

0xFCF0DA, 0x171501,

0xF0F0C7, 0,

0x282C34, 0xABB2BF,

0x282923, 0xD8D8D2

};

char color_scheme_names[] =

"White & Black

Grey & Black      RtfRead

Linen & Black     Horst

Antique & Black   Pocket

Lemon & Black     Fb2Read

DarkGrey & Grey   Godot

DarkGrey & Grey   Monokai";

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

od_filter filter2 = { 8, "TXT\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];

bool help_opened = false;

int charsets_mx;

int reopenin_mx;

int colscheme_mx;

int curcol_scheme;

enum {

	OPEN_FILE,

	MAGNIFY_MINUS,

	MAGNIFY_PLUS,

	CHANGE_ENCODING,

	RUN_EDIT,

	SHOW_INFO,

	SHOW_FILE_PROPERTIES,

	COLOR_SCHEME

};

int encoding;

dword bg_color;

dword text_color;

//===================================================//

//                                                   //

//                 INTERNAL INCLUDES                 //

//                                                   //

//===================================================//

#include "ini.h"

#include "prepare_page.h"

//===================================================//

//                                                   //

//                       CODE                        //

//                                                   //

//===================================================//

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 main()

{

	InitDlls();

	OpenDialog_init stdcall (#o_dialog);

	if (param) strcpy(#openfile_path, #param);

	LoadIniSettings();

	EventSetColorScheme(curcol_scheme);

	kfont.init(DEFAULT_FONT);

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

	OpenFile(#param);

	list.no_selection = true;

	SetEventMask(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE + EVM_MOUSE_FILTER);

	loop()

	{

		switch(WaitEvent())

		{

			case evMouse:

				HandleMouseEvent();

				break;

			case evKey:

				HandleKeyEvent();

				break;

			case evButton:

				HandleButtonEvent();

				break;

			case evReDraw:

				EventMenuClick();

				draw_window();

		}

	}

}

//===================================================//

//                                                   //

//                      EVENTS                       //

//                                                   //

//===================================================//

void HandleButtonEvent()

{

	byte btn = GetButtonID();

	if (btn==1) {

		SaveIniSettings();

		ExitProcess();

	}

	btn-=10;

	switch(btn)

	{

		case OPEN_FILE:

			EventOpenFile();

			break;

		case SHOW_FILE_PROPERTIES:

			EventShowFileProperties();

			break;

		case MAGNIFY_PLUS:

			EventMagnifyPlus();

			break;

		case MAGNIFY_MINUS:

			EventMagnifyMinus();

			break;

		case CHANGE_ENCODING:

			EventShowEncodingList();

			break;

		case RUN_EDIT:

			EventShowReopenMenu();

			break;

		case COLOR_SCHEME:

			EventShowColorSchemesList();

			break;

		case SHOW_INFO:

			EventShowInfo();

			break;

	}

}

void HandleKeyEvent()

{

	if (help_opened) {

		help_opened = false;

		DrawPage();

		return;

	}

	GetKeys();

	if (key_scancode == SCAN_CODE_F1) {

		EventShowInfo();

		return;

	}

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

		switch (key_scancode)

		{

			case SCAN_CODE_KEY_O:

				EventOpenFile();

				break;

			case SCAN_CODE_KEY_I:

				EventShowFileProperties();

				break;

			case SCAN_CODE_UP:

				EventMagnifyPlus();

				break;

			case SCAN_CODE_DOWN:

				EventMagnifyMinus();

				break;

			case SCAN_CODE_KEY_E:

				EventShowReopenMenu();

				break;

			case SCAN_CODE_TAB:

				EventChangeEncoding();

				break;

		}

		return;

	}

	if (list.ProcessKey(key_scancode))

		DrawPage();

}

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 EventOpenFile()

{

	OpenDialog_start stdcall (#o_dialog);

	if (o_dialog.status) {

		OpenFile(#openfile_path);

		PreparePage();

	}

}

void EventShowFileProperties()

{

	char ss_param[4096];

	if (!param) return;

	sprintf(#ss_param, "-p %s", #param);

	RunProgram("/sys/File managers/Eolite", #ss_param);

}

void EventMagnifyPlus()

{

	kfont.size.pt++;

	if(!kfont.changeSIZE())

		kfont.size.pt--;

	else

		PreparePage();

}

void EventMagnifyMinus()

{

	kfont.size.pt--;

	if(!kfont.changeSIZE())

		kfont.size.pt++;

	else

		PreparePage();

}

void EventShowEncodingList()

{

	menu.selected = encoding + 1;

	menu.show(Form.left+5 + charsets_mx, Form.top+29+skin_height, 130,

		"UTF-8\nKOI8-RU\nCP1251\nCP1252\nISO8859-5\nCP866", 10);

}

void EventShowReopenMenu()

{

	menu.selected = 0;

	menu.show(Form.left+5 + reopenin_mx, Form.top+29+skin_height, 130,

		"Tinypad\nTextEdit\nWebView\nFB2Read\nHexView\nOther", 20);

}

void EventShowColorSchemesList()

{

	menu.selected = curcol_scheme + 1;

	menu.show(Form.left+5 + colscheme_mx, Form.top+29+skin_height, 175, #color_scheme_names, 30);

}

void EventSetColorScheme(dword _setn)

{

	curcol_scheme = _setn;

	bg_color   = color_schemes[curcol_scheme*2];

	text_color = color_schemes[curcol_scheme*2+1];

}

void EventShowInfo() {

	help_opened = true;

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

	WriteText(list.x + 10, list.y + 10, 10000001b, 0x555555, VERSION);

	WriteTextLines(list.x + 10, list.y+40, 10110000b, 0, ABOUT, 20);

}

void EventChangeEncoding(dword id)

{

	encoding = id;

	OpenFile(#openfile_path);

	PreparePage();

	draw_window();

}

void EventOpenFileInAnotherProgram(dword _app)

{

	RunProgram(_app, #param);

}

void EventMenuClick()

{

	byte open_param[4096];

	switch(menu.cur_y)

	{

		//Encoding

		case 10...15:

			EventChangeEncoding(menu.cur_y-10);

			break;

		//Reopen

		case 20:

			EventOpenFileInAnotherProgram("/sys/tinypad");

			break;

		case 21:

			EventOpenFileInAnotherProgram("/sys/develop/t_edit");

			break;

		case 22:

			EventOpenFileInAnotherProgram("/sys/network/webview");

			break;

		case 23:

			EventOpenFileInAnotherProgram("/sys/fb2read");

			break;

		case 24:

			EventOpenFileInAnotherProgram("/sys/develop/heed");

			break;

		case 25:

			sprintf(#open_param,"~%s",#param);

			RunProgram("/sys/@open", #open_param);

			break;

		//ColorSchemes

		case 30...38:

			EventSetColorScheme(menu.cur_y-30);

			PreparePage();

			break;

	}

	menu.cur_y = 0;

}

//===================================================//

//                                                   //

//               DRAWS AND OTHER FUNCS               //

//                                                   //

//===================================================//

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();

}

void draw_window()

{

	#define BUTTONS_GAP 6

	#define BLOCKS_GAP 15

	#define TOOLBAR_BUTTON_WIDTH 26

	incn x;

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

	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);

	x.n = 0;

	DrawToolbarButton(OPEN_FILE,       x.inc(8));

	DrawToolbarButton(SHOW_FILE_PROPERTIES, x.inc(TOOLBAR_BUTTON_WIDTH + BUTTONS_GAP));

	DrawToolbarButton(MAGNIFY_MINUS,   x.inc(TOOLBAR_BUTTON_WIDTH + BLOCKS_GAP));

	DrawToolbarButton(MAGNIFY_PLUS,    x.inc(TOOLBAR_BUTTON_WIDTH - 1));

	DrawToolbarButton(COLOR_SCHEME,    x.inc(TOOLBAR_BUTTON_WIDTH + BUTTONS_GAP)); colscheme_mx = x.n;

	DrawToolbarButton(CHANGE_ENCODING, x.inc(TOOLBAR_BUTTON_WIDTH + BLOCKS_GAP)); charsets_mx = x.n;

	DrawToolbarButton(RUN_EDIT,        x.inc(TOOLBAR_BUTTON_WIDTH + BLOCKS_GAP)); reopenin_mx = x.n;

	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()

{

	kfont.ShowBufferPart(list.x, list.y, list.w, list.h, list.first*list.item_h*list.w);

	DrawScroller();

}

void DrawToolbarButton(char image_id, int x)

{

	DefineButton(x+1, 6, TOOLBAR_ICON_WIDTH-2, TOOLBAR_ICON_HEIGHT-2, 10+image_id + BT_HIDE, 0);

	img_draw stdcall(skin.image, x, 5, TOOLBAR_ICON_WIDTH, TOOLBAR_ICON_HEIGHT, TOOLBAR_ICON_WIDTH-1*image_id, 0);

}

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;

	scrollbar_v_draw(#scroll);

}