Subversion Repositories Kolibri OS

/*

	Quark Code Edit

	Author: Kiril Lipatov aka Leency

	Licence: GPLv2

	The core components of this app are:

		1. textbuf: page data

		2. list: text grid with keyboard and mouse events

		3. lines: the mas of pointers for each line start

		4. selection

*/

#define MEMSIZE 50*1024

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

//                                                   //

//                       LIB                         //

//                                                   //

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

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

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

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

#include "../lib/draw_buf.h"

#include "../lib/events.h"

#include "../lib/clipboard.h"

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

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

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

//                                                   //

//                 INTERNAL INCLUDES                 //

//                                                   //

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

proc_info Form;

llist list;

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};

#define TOOLBAR_H 38

#define TOOLBAR_ICON_WIDTH  24

#define TOOLBAR_ICON_HEIGHT 22

#define STATUSBAR_H 15

#define TAB_H 20

int user_encoding;

int real_encoding = CH_CP866;

int curcol_scheme;

int font_size;

bool search_next = false;

#include "data.h"

#include "textbuf.h"

#include "selection.h"

#include "search.h"

#include "prepare_page.h"

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

//                                                   //

//                       DATA                        //

//                                                   //

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

char title[4196];

int reopenin_mx,

    theme_mx,

    burger_mx,

    search_mx;

enum {

	CHANGE_CHARSET=12,

	REOPEN_IN_APP=1,

	COLOR_SCHEME=8,

	RMB_MENU,

	BTN_FIND_NEXT,

	BTN_FIND_PREVIOUS,

	BTN_FIND_CLOSE,

	BTN_CHANGE_CHARSET

};

dword menu_id;

EVENTS button;

EVENTS key;

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

//                                                   //

//                       CODE                        //

//                                                   //

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

void InitDlls()

{

	load_dll(boxlib,    #box_lib_init,   0);

	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);

}

void LoadFileFromDocPack()

{

	dword bufsize = atoi(#file_path + 1) + 20;

	dword bufpointer = malloc(bufsize);

	ESDWORD[bufpointer+0] = 0;

	ESDWORD[bufpointer+4] = 8;

	IpcSetArea(bufpointer, bufsize);

	SetEventMask(EVM_IPC);

	if (@WaitEventTimeout(200) != evIPC) {

		notify("'IPC FAIL'E");

	} else {

		textbuf.set(bufpointer + 16, ESDWORD[bufpointer+12]);

	}

	free(bufpointer);

	file_path[0]='\0';

	sprintf(#title, "#DOCPACK - %s", #short_app_name);

}

void main()

{

	InitDlls();

	LoadIniSettings();

	EventSetColorScheme(curcol_scheme);

	if (file_path[0] == '*') {

		LoadFileFromDocPack();

	} else {

		if (streq(#file_path,"-new")) {Form.left+=40;Form.top+=40;}

		LoadFile(#file_path);

	}

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

	loop() switch(@WaitEventTimeout(400))

	{

		case evMouse:  HandleMouseEvent(); break;

		case evKey:    HandleKeyEvent(); break;

		case evButton: HandleButtonEvent(); break;

		case evReDraw: draw_window(); break;

		default:       DrawStatusBar(" "); //clean DrawStatusBar text with delay

	}

}

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

//                                                   //

//                  EVENT HANDLERS                   //

//                                                   //

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

void HandleButtonEvent()

{

	int btn = GetButtonID();

	if (btn==1) {

		SaveIniSettings();

		ExitProcess();

	}

	button.press(btn);

	switch(btn-10)

	{

		case BTN_FIND_NEXT:      EventSearchNext();       break;

		case BTN_FIND_PREVIOUS:  EventSearchPrevious();   break;

		case BTN_FIND_CLOSE:     search.hide();           break;

		case BTN_CHANGE_CHARSET: EventShowCharsetsList(); break;

	}

}

void HandleKeyEvent()

{

	GetKeys();

	switch (key_scancode)

	{

		case SCAN_CODE_ESC:

			search.hide();

			return;

		case SCAN_CODE_ENTER:

			if (! search_box.flags & ed_focus) break;

		case SCAN_CODE_F3:

			if (key_modifier & KEY_LSHIFT) {

				EventSearchPrevious();

			} else {

				EventSearchNext();

			}

			return;

	}

	if (search.edit_key()) return;

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

		if (key.press(ECTRL + key_scancode)) return;

		switch (key_scancode)

		{

			case SCAN_CODE_KEY_A: EventSelectAllText();    return;

			case SCAN_CODE_KEY_C: EventCopy();             return;

			//case SCAN_CODE_KEY_X: EventCut();              return;

			//case SCAN_CODE_KEY_V: EventPaste();            return;

			case SCAN_CODE_UP:    EventMagnifyPlus();      return;

			case SCAN_CODE_DOWN:  EventMagnifyMinus();     return;

			case SCAN_CODE_TAB:   EventShowCharsetsList(); return;

			case SCAN_CODE_KEY_F: search.show();           return;

		}

	}

	if (key_modifier & KEY_LSHIFT) || (key_modifier & KEY_RSHIFT) {

		selection.set_start();

	} else {

		//EventInsertCharIntoText();

		selection.cancel();

	}

	if (key_scancode == SCAN_CODE_LEFT) && (!list.cur_x) && (list.cur_y) list.column_max = lines.len(list.cur_y-1);

	if (list.ProcessKey(key_scancode)) {

		if (key_modifier & KEY_LSHIFT) || (key_modifier & KEY_RSHIFT) selection.set_end();

		DrawPage();

		return;

	}

}

void HandleMouseEvent()

{

	mouse.get();

	list.wheel_size = 7;

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

		DrawPage();

		return;

	}

	if (!scroll.delta2) && (list.MouseOver(mouse.x, mouse.y)) {

		if (mouse.key&MOUSE_LEFT) {

			GetKeyModifier();

			if (key_modifier & KEY_LSHIFT) || (key_modifier & KEY_RSHIFT) {

				if (mouse.down) selection.set_start();

				list.ProcessMouse(mouse.x, mouse.y);

				if (mouse.up) selection.set_end();

				DrawPage();

				return;

			}

			//as we have lines of variable width, we need to recalculate column_max

			list.column_max = lines.len(mouse.y - list.y / list.item_h + list.first);

			list.ProcessMouse(mouse.x, mouse.y);

			if (mouse.down) {

				selection.cancel();

				selection.set_start();

			}

			selection.set_end();

			DrawPage();

		}

		if (mouse.key&MOUSE_RIGHT) && (mouse.up) {

			EventShowRmbMenu();

		}

		return;

	}

	scrollbar_v_mouse (#scroll);

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

		list.first = scroll.position;

		DrawPage();

	}

	search.edit_mouse();

}

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

//                                                   //

//                      EVENTS                       //

//                                                   //

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

bool EventSearchNext()

{

	if (search.find_next(list.first+1)) {

		list.first = EAX;

		list.CheckDoesValuesOkey();

		search_next = true;

		DrawPage();

	}

}

bool EventSearchPrevious()

{

	if (search.find_prior(list.first)) {

		list.first = EAX;

		list.CheckDoesValuesOkey();

		search_next = true;

		DrawPage();

	}

}

void EventOpenDialog()

{

	OpenDialog_start stdcall (#o_dialog);

	if (o_dialog.status) {

		LoadFile(#openfile_path);

		ParseAndPaint();

	}

}

void EventShowFileInfo()

{

	char ss_param[4096];

	if (!file_path) return;

	strcpy(#ss_param, "-p ");

	strcpy(#ss_param+3, #file_path);

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

}

void EventMagnifyMinus()

{

	font_size = math.max(0, font_size-1);

	SetFontSize(font_size);

	ParseAndPaint();

}

void EventMagnifyPlus()

{

	font_size = math.min(5, font_size+1);

	SetFontSize(font_size);

	ParseAndPaint();

}

void EventShowCharsetsList()

{

	menu_id = CHANGE_CHARSET;

	open_lmenu(Form.cwidth-4, Form.cheight - 6, MENU_BOT_RIGHT,

		user_encoding+1,

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

}

void EventShowReopenMenu()

{

	menu_id = REOPEN_IN_APP;

	open_lmenu(reopenin_mx, 29, MENU_TOP_LEFT, NULL,

		"Tinypad\nCodeEdit\nWebView\nFB2Read\nHexView\nOther");

}

void EventShowThemesList()

{

	menu_id = COLOR_SCHEME;

	open_lmenu(theme_mx, 29, MENU_TOP_LEFT,

		curcol_scheme+1, #color_scheme_names);

}

void EventShowRmbMenu()

{

	menu_id = RMB_MENU;

	open_lmenu(mouse.x, mouse.y, MENU_TOP_LEFT, NULL, #rmb_menu);

}

void EventSetColorScheme(dword _setn)

{

	curcol_scheme = _setn;

	theme.bg      = color_schemes[curcol_scheme*6];

	theme.text    = color_schemes[curcol_scheme*6+1];

	scroll.bckg_col = theme.bg;

	scroll.frnt_col = scroll.line_col = color_schemes[curcol_scheme*6+2];

	selection.color = color_schemes[curcol_scheme*6+3];

	theme.cursor    = color_schemes[curcol_scheme*6+4];

	theme.found     = color_schemes[curcol_scheme*6+5];

	if (list.count) ParseAndPaint();

}

void EventChangeCharset(dword id)

{

	if (file_path[0]=='\0') return;

	user_encoding = id;

	LoadFile(#file_path);

	ParseAndPaint();

	draw_window();

}

void EventOpenFileInOtherApp(dword _id)

{

	dword app;

	byte open_param[4096];

	switch(_id) {

		case 0: app = "/sys/tinypad"; break;

		case 1: app = "/sys/develop/cedit"; break;

		case 2: app = "/sys/network/webview"; break;

		case 3: app = "/sys/fb2read"; break;

		case 4: app = "/sys/develop/heed"; break;

		case 5: open_param[0]='~';

			strcpy(#open_param+1,#file_path);

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

			return;

	}

	RunProgram(app, #file_path);

}

void EventMenuClick()

{

	dword click_id = get_menu_click();

	if (click_id) && (menu_id) switch(menu_id)

	{

		case CHANGE_CHARSET: EventChangeCharset(click_id-1); break;

		case REOPEN_IN_APP:  EventOpenFileInOtherApp(click_id-1); break;

		case COLOR_SCHEME:   EventSetColorScheme(click_id-1); break;

		case RMB_MENU:       EventRbmMenuClick(click_id-1); break;

		default: notify("'Error: wrong menu number'E");

	}

	menu_id = NULL;

}

void EventClickSearch()

{

	if (search.visible) {

		search.hide();

	} else {

		search.show();

	}

}

/*

void EventInsertCharIntoText()

{

	dword i;

	dword cursor_pos = lines.get(list.cur_y) + list.cur_x;

	switch(key_scancode)

	{

		case SCAN_CODE_DOWN:

		case SCAN_CODE_UP:

		case SCAN_CODE_LEFT:

		case SCAN_CODE_RIGHT:

		case SCAN_CODE_HOME:

		case SCAN_CODE_END:

		case SCAN_CODE_PGUP:

		case SCAN_CODE_PGDN:

			return;

		case SCAN_CODE_BS:

			if (selection.is_active()) {

				EventDeleteSelectedText();

			} else {

				if (!list.cur_x) && (!list.cur_y) break;

				textbuf.del(cursor_pos-1, cursor_pos);

				if (!list.cur_x) && (list.cur_y) {

					list.column_max = lines.len(list.cur_y-1);

					list.KeyLeft();

				}

				list.KeyLeft();

			}

			ParseAndPaint();

			return;

		case SCAN_CODE_DEL:

			if (selection.is_active()) {

				EventDeleteSelectedText();

			} else {

				if (cursor_pos < textbuf.p + textbuf.len) textbuf.del(cursor_pos, cursor_pos+1);

			}

			ParseAndPaint();

			return;

		default:

			if (selection.is_active()) {

				EventDeleteSelectedText();

				Parse();

			}

			cursor_pos = lines.get(list.cur_y) + list.cur_x;

			textbuf.insert_ch(cursor_pos, key_ascii);

			list.KeyRight();

			Parse();

			list.column_max = lines.len(list.cur_y);

			if (key_scancode == SCAN_CODE_ENTER) list.KeyRight();

			DrawPage();

	}

}

*/

void EventRbmMenuClick(dword id)

{

	switch(id) {

		case 0: EventCopy(); break;

		case 1: EventRevealInFolder(); break;

		case 2: EventCopyFilePath(); break;

	}

}

void EventSelectAllText()

{

	selection.select_all();

	DrawPage();

}

void EventCopy()

{

	char copy_status_text[32];

	dword copy_buf;

	dword copy_len;

	dword copy_start;

	dword copy_end;

	if (selection.is_active()) {

		copy_start = selection.start_offset;

		copy_end = selection.end_offset;

		if (copy_start > copy_end) copy_start >< copy_end;

	} else {

		copy_start = lines.get(list.cur_y);

		copy_end = lines.get(list.cur_y+1);

	}

	copy_len = copy_end - copy_start;

	copy_buf = malloc(copy_len + 2);

	strncpy(copy_buf, copy_start, copy_len);

	ESBYTE[copy_buf+copy_len] = '\0';

	Clipboard__CopyText(copy_buf);

	free(copy_buf);

	sprintf(#copy_status_text, #copied_chars, copy_len);

	DrawStatusBar(#copy_status_text);

}

/*

void EventCut()

{

	if (!selection.is_active()) {

		selection.start_offset = lines.get(list.cur_y);

		selection.end_offset = lines.get(list.cur_y+1);

	}

	EventCopy();

	EventDeleteSelectedText();

	ParseAndPaint();

}

void EventPaste()

{

	int i;

	dword buf = Clipboard__GetSlotData(Clipboard__GetSlotCount()-1);

	if (selection.is_active()) {

		EventDeleteSelectedText();

	}

	cursor_pos = lines.get(list.cur_y) + list.cur_x;

	textbuf.insert_str(cursor_pos, buf+12, ESDWORD[buf]-12);

	for (i=0; i

	ParseAndPaint();

}

void EventDeleteSelectedText()

{

	textbuf.del(selection.start_offset, selection.end_offset);

	list.cur_x = math.min(selection.start_x, selection.end_x);

	list.cur_y = math.min(selection.start_y, selection.end_y);

	selection.cancel();

}

*/

void EventRevealInFolder()

{

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

}

void EventCopyFilePath()

{

	char copy_status_text[32];

	Clipboard__CopyText(#file_path);

	sprintf(#copy_status_text, #copied_chars, strlen(#file_path));

	DrawStatusBar(#copy_status_text);

}

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

//                                                   //

//               DRAWS AND OTHER FUNCS               //

//                                                   //

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

void EncodeToDos()

{

	real_encoding = user_encoding;

	// Autodetecting charset

	if (real_encoding == CH_AUTO) {

		real_encoding = CH_CP866;

		if (strstr(textbuf.p, "\208\190")) real_encoding = CH_UTF8;

		else {

			if (chrnum(textbuf.p, '\246')>5)

			|| (strstr(textbuf.p, "\239\240")) real_encoding = CH_CP1251;

		}

	}

	if (real_encoding != CH_CP866) {

		ChangeCharset(real_encoding, CH_CP866, textbuf.p);

	}

}

void LoadFile(dword f_path)

{

	if (ESBYTE[f_path]) {

		strcpy(#file_path, f_path);

		if (!io.read(#file_path)) goto NO_DATA;

		textbuf.set(io.buffer_data, io.FILES_SIZE);

		free(io.buffer_data);

		sprintf(#title, "%s - %s", #file_path, #short_app_name);

		EncodeToDos();

	}

	else {

		NO_DATA:

		textbuf.set(#intro, sizeof(intro)-1);

		strcpy(#title, #short_app_name);

	}

	list.ClearList();

}

int TopBarBt(dword _event, _hotkey, char image_id, int x, pressed) {

	if (_hotkey) key.add_n(_hotkey, _event);

	return DrawTopPanelButton(button.add(_event), x, 5, image_id, pressed);

}

void DrawToolbar()

{

	#define GAP_S 26+7

	#define GAP_B 26+19

	incn x;

	bool thema = false;

	bool reopa = false;

	if (menu_id == COLOR_SCHEME) thema = true;

	if (menu_id == REOPEN_IN_APP) reopa = true;

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

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

	x.set(-GAP_S+8);

	TopBarBt(#EventOpenDialog,     ECTRL+SCAN_CODE_KEY_O, 0,  x.inc(GAP_S), false);

	TopBarBt(#EventShowFileInfo,   ECTRL+SCAN_CODE_KEY_I, 10, x.inc(GAP_S), false);

	TopBarBt(#EventMagnifyMinus,   ECTRL+SCAN_CODE_MINUS, 33, x.inc(GAP_B),   false);

	TopBarBt(#EventMagnifyPlus,    ECTRL+SCAN_CODE_PLUS,  32, x.inc(GAP_S), false);

	TopBarBt(#EventClickSearch,    ECTRL+SCAN_CODE_KEY_F, 49, x.inc(GAP_B),   search.visible);  search_mx = EAX;

	TopBarBt(#EventShowThemesList, NULL,                  40, x.inc(GAP_B), thema); theme_mx = EAX;

	TopBarBt(#EventShowReopenMenu, ECTRL+SCAN_CODE_KEY_E, 16, x.inc(GAP_S), reopa); reopenin_mx = EAX;

}

void DrawStatusBar(dword _in_text)

{

	static char status_text[64];

	if (Form.status_window&ROLLED_UP) return;

	if (_in_text) strncpy(#status_text, _in_text, sizeof(status_text));

	DrawBar(0,Form.cheight - STATUSBAR_H, Form.cwidth,1, sc.line);

	DrawBar(0,Form.cheight - STATUSBAR_H+1, Form.cwidth,STATUSBAR_H-1, sc.work);

	WriteText(5, Form.cheight - STATUSBAR_H + 4, 0x80, sc.work_text, #status_text);

	if (file_path[0]) {

		WriteTextCenter(Form.cwidth-70, Form.cheight - STATUSBAR_H + 4,

			60, sc.work_text, real_encoding*10+#charsets);

		DefineHiddenButton(Form.cwidth-70, Form.cheight - STATUSBAR_H + 1,

			60, 12, BTN_CHANGE_CHARSET+10);

	}

}

void draw_window()

{

	int old_w = list.w;

	if (CheckActiveProcess(Form.ID)) EventMenuClick();

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

	GetProcessInfo(#Form, SelfInfo);

	sc.get();

	if (Form.status_window&ROLLED_UP) return;

	if (Form.width  < 450) { MoveSize(OLD,OLD,450,OLD); return; }

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

	button.init(40);

	key.init(40);

	SetFontSize(font_size);

	if ((list.w == old_w) && (list.count)) {

		DrawPage();

	} else {

		ParseAndPaint();

	}

	DrawToolbar();

	DrawSearch();

	DrawStatusBar(NULL);

}

bool DrawSearch()

{

	char matches[30];

	int _y = Form.cheight - SEARCH_H - STATUSBAR_H;

	if (!search.visible) return false;

	DrawBar(0, _y, Form.cwidth, 1, sc.line);

	DrawBar(0, _y+1, Form.cwidth, SEARCH_H-1, sc.work);

	search_box.top = _y + 6;

	search_box.width = math.min(Form.width - 200, 150);

	DrawRectangle(search_box.left-1, search_box.top-1, search_box.width+2, 23,sc.line);

	edit_box_draw stdcall(#search_box);

	DrawCaptButton(search_box.left+search_box.width+14, search_box.top-1, 30,

		TOOLBAR_ICON_HEIGHT+1, BTN_FIND_PREVIOUS+10, sc.light, sc.work_text, "<");

	DrawCaptButton(search_box.left+search_box.width+44, search_box.top-1, 30,

		TOOLBAR_ICON_HEIGHT+1, BTN_FIND_NEXT+10, sc.light, sc.work_text, ">");

	sprintf(#matches, T_MATCHES, search.found.count);

	WriteTextWithBg(search_box.left+search_box.width+14+85,

		search_box.top+3, 0xD0, sc.work_text, #matches, sc.work);

	DefineHiddenButton(Form.cwidth-26, search_box.top-1, TOOLBAR_ICON_HEIGHT+1,

		TOOLBAR_ICON_HEIGHT+1, BTN_FIND_CLOSE+10);

	WriteText(Form.cwidth-26+7, search_box.top+2, 0x81, sc.line, "x");

	return true;

}

void SetFontSize(char _size)

{

	font_size = _size;

	if (font_size == 0) list.SetFont(  6,      9, 00001000b);

	if (font_size == 1) list.SetFont(  8,     14, 00011000b);

	if (font_size == 2) list.SetFont(2*6,    2*9, 00001001b);

	if (font_size == 3) list.SetFont(2*8, 2*14-2, 00011001b);

	if (font_size == 4) list.SetFont(3*6,    3*9, 00001010b);

	if (font_size == 5) list.SetFont(3*8, 3*14-2, 00011010b);

	list.item_w = list.font_w;

	list.horisontal_selelection = true;

	list.SetSizes(0, TOOLBAR_H, Form.cwidth-scroll.size_x-1,

		Form.cheight - TOOLBAR_H - calc(search.visible * SEARCH_H) - STATUSBAR_H /*- TAB_H*/,

		math.round(list.font_h * 1.3));

}