/*
Copyright (C) 2006-2010 Ricardo Pescuma Domenecci

This is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

This 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with this file; see the file license.txt.  If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/

#include "commons.h"

typedef void (*FoundWrongWordCallback)(TCHAR *word, CHARRANGE pos, void *param);

typedef map<HWND, Dialog *> DialogMapType;
DialogMapType dialogs;
DialogMapType menus;

void SetUnderline(Dialog *dlg, int pos_start, int pos_end)
{
	dlg->re->SetSel(pos_start, pos_end);

	CHARFORMAT2 cf;
	cf.cbSize = sizeof(CHARFORMAT2);
	cf.dwMask = CFM_UNDERLINE | CFM_UNDERLINETYPE;
	cf.dwEffects = CFE_UNDERLINE;
	cf.bUnderlineType = ((opts.underline_type + CFU_UNDERLINEDOUBLE) | 0x50);
	dlg->re->SendMessage(EM_SETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM)&cf);

	dlg->markedSomeWord = TRUE;
}

BOOL IsMyUnderline(const CHARFORMAT2 &cf)
{
	return (cf.dwEffects & CFE_UNDERLINE)
			&& (cf.bUnderlineType & 0x0F) >= CFU_UNDERLINEDOUBLE
			&& (cf.bUnderlineType & 0x0F) <= CFU_UNDERLINETHICK
			&& (cf.bUnderlineType & ~0x0F) == 0x50;
}

void SetNoUnderline(RichEdit *re, int pos_start, int pos_end)
{
	if (opts.handle_underscore) {
		for(int i = pos_start; i <= pos_end; i++) {
			re->SetSel(i, min(i+1, pos_end));

			CHARFORMAT2 cf;
			cf.cbSize = sizeof(CHARFORMAT2);
			re->SendMessage(EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM)&cf);

			BOOL mine = IsMyUnderline(cf);
			if (mine) {
				cf.cbSize = sizeof(CHARFORMAT2);
				cf.dwMask = CFM_UNDERLINE | CFM_UNDERLINETYPE;
				cf.dwEffects = 0;
				cf.bUnderlineType = CFU_UNDERLINE;
				re->SendMessage(EM_SETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM)&cf);
			}
		}
	}
	else {
		re->SetSel(pos_start, pos_end);

		CHARFORMAT2 cf;
		cf.cbSize = sizeof(CHARFORMAT2);
		cf.dwMask = CFM_UNDERLINE | CFM_UNDERLINETYPE;
		cf.dwEffects = 0;
		cf.bUnderlineType = CFU_UNDERLINE;
		re->SendMessage(EM_SETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM)&cf);
	}
}

void SetNoUnderline(Dialog *dlg)
{
	dlg->re->Stop();
	SetNoUnderline(dlg->re, 0, dlg->re->GetTextLength());
	dlg->markedSomeWord = FALSE;
	dlg->re->Start();
}

inline BOOL IsNumber(TCHAR c)
{
	return c >= _T('0') && c <= _T('9');
}

inline BOOL IsURL(TCHAR c)
{
	return (c >= _T('a') && c <= _T('z'))
		|| (c >= _T('A') && c <= _T('Z'))
		|| IsNumber(c)
		|| c == _T('.') || c == _T('/')
		|| c == _T('\\') || c == _T('?')
		|| c == _T('=') || c == _T('&')
		|| c == _T('%') || c == _T('-')
		|| c == _T('_') || c == _T(':')
		|| c == _T('@') || c == _T('#');
}

int FindURLEnd(Dialog *dlg, TCHAR *text, int start_pos, int *checked_until = NULL)
{
	int num_slashes = 0;
	int num_ats = 0;
	int num_dots = 0;

	int i = start_pos;

	for (; IsURL(text[i]) || dlg->lang->isWordChar(text[i]); i++) {
		TCHAR c = text[i];
		if (c == _T('\\') || c == _T('/'))
			num_slashes++;
		else if (c == _T('.'))
			num_dots++;
		else if (c == _T('@'))
			num_ats++;
	}

	if (checked_until != NULL)
		*checked_until = i;

	if (num_slashes <= 0 && num_ats <= 0 && num_dots <= 0)
		return -1;

	if (num_slashes == 0 && num_ats == 0 && num_dots < 2)
		return -1;

	if (i - start_pos < 2)
		return -1;

	return i;
}


int ReplaceWord(Dialog *dlg, CHARRANGE &sel, TCHAR *new_word)
{
	dlg->re->Stop();
	dlg->re->ResumeUndo();

	int dif = dlg->re->Replace(sel.cpMin, sel.cpMax, new_word);

	dlg->re->SuspendUndo();
	dlg->re->Start();

	return dif;
}

class TextParser
{
public:
	virtual ~TextParser() {}

	/// @return true when finished an word
	virtual bool feed(int pos, TCHAR c) =0;
	virtual int getFirstCharPos() =0;
	virtual void reset() =0;
	virtual void deal(const TCHAR *text, bool *mark, bool *replace, TCHAR **replacement) =0;
};

class SpellParser : public TextParser
{
	Dictionary *dict;
	int last_pos;
	BOOL found_real_char;

public:
	SpellParser(Dictionary *dict) : dict(dict)
	{
		reset();
	}

	void reset()
	{
		last_pos = -1;
		found_real_char = FALSE;
	}

	bool feed(int pos, TCHAR c)
	{
		// Is inside a word?
		if (dict->isWordChar(c) || IsNumber(c)) {
			if (last_pos == -1)
				last_pos = pos;

			if (c != _T('-') && !IsNumber(c))
				found_real_char = TRUE;

			return false;
		}

		if (!found_real_char)
			last_pos = -1;

		return (last_pos != -1);
	}

	int getFirstCharPos()
	{
		if (!found_real_char)
			return -1;
		else
			return last_pos;
	}

	void deal(const TCHAR *text, bool *mark, bool *replace, TCHAR **replacement)
	{
		// Is it correct?
		if (dict->spell(text))
			return;

		// Has to auto-correct?
		if (opts.auto_replace_dict) {
			*replacement = dict->autoSuggestOne(text);
			if (*replacement != NULL) {
				*replace = true;
				return;
			}
		}

		*mark = true;
	}
};

class AutoReplaceParser : public TextParser
{
	AutoReplaceMap *ar;
	int last_pos;

public:
	AutoReplaceParser(AutoReplaceMap *ar) : ar(ar)
	{
		reset();
	}

	void reset()
	{
		last_pos = -1;
	}

	bool feed(int pos, TCHAR c)
	{
		// Is inside a word?
		if (ar->isWordChar(c)) {
			if (last_pos == -1)
				last_pos = pos;
			return false;
		}

		return (last_pos != -1);
	}

	int getFirstCharPos()
	{
		return last_pos;
	}

	void deal(const TCHAR *text, bool *mark, bool *replace, TCHAR **replacement)
	{
		*replacement = ar->autoReplace(text);
		if (*replacement != NULL)
			*replace = true;
	}
};

int CheckTextLine(Dialog *dlg, int line, TextParser *parser,
				   BOOL ignore_upper, BOOL ignore_with_numbers, BOOL test_urls,
				   const CHARRANGE &ignored, FoundWrongWordCallback callback, void *param)
{
	int errors = 0;
	TCHAR text[1024];
	dlg->re->GetLine(line, text, SIZEOF(text));
	int len = lstrlen(text);
	int first_char = dlg->re->GetFirstCharOfLine(line);

	// Now lets get the words
	int next_char_for_url = 0;
	for (int pos = 0; pos < len; pos++) {
		int url_end = pos;
		if (pos >= next_char_for_url) {
			url_end = FindURLEnd(dlg, text, pos, &next_char_for_url);
			next_char_for_url++;
		}

		if (url_end > pos) {
			BOOL ignore_url = FALSE;

			if (test_urls) {
				// All the url must be handled by the parser
				parser->reset();

				BOOL feed = FALSE;
				for(int j = pos; !feed && j <= url_end; j++)
					feed = parser->feed(j, text[j]);

				if (feed || parser->getFirstCharPos() != pos)
					ignore_url = TRUE;
			}
			else ignore_url = TRUE;

			pos = url_end;

			if (ignore_url) {
				parser->reset();
				continue;
			}
		}
		else {
			TCHAR c = text[pos];

			BOOL feed = parser->feed(pos, c);
			if (!feed) {
				if (pos >= len-1)
					pos = len; // To check the last block
				else
					continue;
			}
		}

		int last_pos = parser->getFirstCharPos();
		parser->reset();

		if (last_pos < 0)
			continue;

		// We found a word
		CHARRANGE sel = { first_char + last_pos, first_char + pos };

		// Is in ignored range?
		if (sel.cpMin <= ignored.cpMax && sel.cpMax >= ignored.cpMin)
			continue;

		if (ignore_upper) {
			BOOL upper = TRUE;
			for(int i = last_pos; i < pos && upper; i++)
				upper = !IsCharLower(text[i]);
			if (upper)
				continue;
		}

		if (ignore_with_numbers) {
			BOOL hasNumbers = FALSE;
			for(int i = last_pos; i < pos && !hasNumbers; i++)
				hasNumbers = IsNumber(text[i]);
			if (hasNumbers)
				continue;
		}

		text[pos] = 0;

		bool mark = false;
		bool replace = false;
		TCHAR *replacement = NULL;
		parser->deal(&text[last_pos], &mark, &replace, &replacement);

		if (replace) {
			// Replace in rich edit
			int dif = dlg->re->Replace(sel.cpMin, sel.cpMax, replacement);
			if (dif != 0) {
				// Read line again
				dlg->re->GetLine(line, text, SIZEOF(text));
				len = lstrlen(text);

				int old_first_char = first_char;
				first_char = dlg->re->GetFirstCharOfLine(line);

				pos = max(-1, pos + dif + old_first_char - first_char);
			}

			free(replacement);
		}
		else if (mark) {
			SetUnderline(dlg, sel.cpMin, sel.cpMax);

			if (callback != NULL)
				callback(&text[last_pos], sel, param);

			errors++;
		}
	}

	return errors;
}

// Checks for errors in all text
int CheckText(Dialog *dlg, BOOL check_all, FoundWrongWordCallback callback = NULL, void *param = NULL)
{
	int errors = 0;

	dlg->re->Stop();

	if (dlg->re->GetTextLength() > 0) {
		int lines = dlg->re->GetLineCount();
		int line = 0;
		CHARRANGE cur_sel = { -1, -1 };

		if (!check_all) {
			// Check only the current line, one up and one down
			int current_line = dlg->re->GetLineFromChar(dlg->re->GetSel().cpMin);
			line = max(line, current_line - 1);
			lines = min(lines, current_line + 2);
			cur_sel = dlg->re->GetSel();
		}

		for (; line < lines; line++) {
			int first_char = dlg->re->GetFirstCharOfLine(line);

			SetNoUnderline(dlg->re, first_char, first_char + dlg->re->GetLineLength(line));

			if (opts.auto_replace_user) 
				errors += CheckTextLine(dlg, line, &AutoReplaceParser(dlg->lang->autoReplace),
										FALSE, FALSE, TRUE,
										cur_sel, callback, param);

			errors += CheckTextLine(dlg, line, &SpellParser(dlg->lang),
									opts.ignore_uppercase, opts.ignore_with_numbers, FALSE,
									cur_sel, callback, param);
		}
	}

	// Fix last char
	int len = dlg->re->GetTextLength();
	SetNoUnderline(dlg->re, len, len);

	dlg->re->Start();
	return errors;
}

void ToLocaleID(TCHAR *szKLName, size_t size)
{
	TCHAR *stopped = NULL;
	USHORT langID = (USHORT) _tcstol(szKLName, &stopped, 16);

	TCHAR ini[32], end[32];
	GetLocaleInfo(MAKELCID(langID, 0), LOCALE_SISO639LANGNAME, ini, SIZEOF(ini));
	GetLocaleInfo(MAKELCID(langID, 0), LOCALE_SISO3166CTRYNAME, end, SIZEOF(end));

	mir_sntprintf(szKLName, size, _T("%s_%s"), ini, end);
}

void LoadDictFromKbdl(Dialog *dlg)
{
	TCHAR szKLName[KL_NAMELENGTH + 1];

	// Use default input language
	HKL hkl = GetKeyboardLayout(0);
	mir_sntprintf(szKLName, SIZEOF(szKLName), _T("%x"), (int) LOWORD(hkl));
	ToLocaleID(szKLName, SIZEOF(szKLName));

	int d = GetClosestLanguage(szKLName);
	if (d >= 0) {
		dlg->lang = languages[d];
		dlg->lang->load();

		if (dlg->srmm)
			ModifyIcon(dlg);
	}
}

int TimerCheck(Dialog *dlg, BOOL forceCheck = FALSE)
{
	KillTimer(dlg->hwnd, TIMER_ID);

	if (!dlg->enabled || dlg->lang == NULL)
		return -1;

	if (!dlg->lang->isLoaded()) {
		SetTimer(dlg->hwnd, TIMER_ID, 500, NULL);
		return -1;
	}

	// Don't check if field is read-only
	if (dlg->re->IsReadOnly())
		return -1;

	int len = dlg->re->GetTextLength();
	if (!forceCheck && len == dlg->old_text_len && !dlg->changed)
		return -1;

	dlg->old_text_len = len;
	dlg->changed = FALSE;

	return CheckText(dlg, TRUE);
}

LRESULT CALLBACK OwnerProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	DialogMapType::iterator dlgit = dialogs.find(hwnd);
	if (dlgit == dialogs.end())
		return -1;

	Dialog *dlg = dlgit->second;

	if (msg == WM_COMMAND && (LOWORD(wParam) == IDOK || LOWORD(wParam) == 1624)) {
		if (opts.ask_when_sending_with_error) {
			int errors = TimerCheck(dlg, TRUE);
			if (errors > 0) {
				TCHAR text[500];
				mir_sntprintf(text,SIZEOF(text),TranslateT("There are %d spelling errors. Are you sure you want to send this message?"),errors);
				if (MessageBox(hwnd,text,TranslateT("Spell Checker"), MB_ICONQUESTION | MB_YESNO) == IDNO)
					return TRUE;
			}
		}
		else if (opts.auto_replace_dict || opts.auto_replace_user) {
			// Fix all
			TimerCheck(dlg);
		}

		if (dlg->markedSomeWord)
			// Remove underline
			SetNoUnderline(dlg);

		// Schedule to re-parse
		KillTimer(dlg->hwnd, TIMER_ID);
		SetTimer(dlg->hwnd, TIMER_ID, 100, NULL);

		dlg->changed = TRUE;
	}

	return mir_callNextSubclass(hwnd, OwnerProc, msg, wParam, lParam);
}

void ToggleEnabled(Dialog *dlg)
{
	dlg->enabled = !dlg->enabled;
	DBWriteContactSettingByte(dlg->hContact, MODULE_NAME, dlg->name, dlg->enabled);

	if (!dlg->enabled)
		SetNoUnderline(dlg);
	else {
		dlg->changed = TRUE;
		SetTimer(dlg->hwnd, TIMER_ID, 100, NULL);
	}

	if (dlg->srmm)
		ModifyIcon(dlg);
}

LRESULT CALLBACK EditProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	DialogMapType::iterator dlgit = dialogs.find(hwnd);
	if (dlgit == dialogs.end())
		return -1;

	Dialog *dlg = dlgit->second;
	if (dlg == NULL)
		return -1;

	// Hotkey support
	MSG msgData = {0};
	msgData.hwnd = hwnd;
	msgData.message = msg;
	msgData.wParam = wParam;
	msgData.lParam = lParam;

	int action = CallService(MS_HOTKEY_CHECK, (WPARAM) &msgData, (LPARAM) "Spell Checker");
	if (action == HOTKEY_ACTION_TOGGLE) {
		ToggleEnabled(dlg);
		return 1;
	}

	LRESULT ret = mir_callNextSubclass(hwnd, EditProc, msg, wParam, lParam);

	switch(msg) {
	case WM_KEYDOWN:
		if (wParam != VK_DELETE)
			break;

	case WM_CHAR:
		if (dlg->re->IsStopped())
			break;

		if (lParam & (1 << 28))	// ALT key
			break;

		if ( GetKeyState(VK_CONTROL) & 0x8000)	// CTRL key
			break;

		{
			TCHAR c = (TCHAR) wParam;
			BOOL deleting = (c == VK_BACK || c == VK_DELETE);

			// Need to do that to avoid changing the word while typing
			KillTimer(hwnd, TIMER_ID);
			SetTimer(hwnd, TIMER_ID, 1000, NULL);

			dlg->changed = TRUE;

			if (!deleting && (lParam & 0xFF) > 1)	// Repeat rate
				break;

			if (!dlg->enabled || dlg->lang == NULL || !dlg->lang->isLoaded())
				break;

			// Don't check if field is read-only
			if (dlg->re->IsReadOnly())
				break;

			if (!deleting && !dlg->lang->isWordChar(c))
				CheckText(dlg, FALSE);
			else {
				// Remove underline of current word
				CHARFORMAT2 cf;
				cf.cbSize = sizeof(CHARFORMAT2);
				dlg->re->SendMessage(EM_GETCHARFORMAT, (WPARAM) SCF_SELECTION, (LPARAM)&cf);

				if ( IsMyUnderline(cf)) {
					dlg->re->Stop();

					CHARRANGE sel = dlg->re->GetSel();

					TCHAR text[1024];
					int first_char;
					GetWordCharRange(dlg, sel, text, SIZEOF(text), first_char);

					SetNoUnderline(dlg->re, sel.cpMin, sel.cpMax);

					dlg->re->Start();
				}
			}
		}
		break;

	case EM_REPLACESEL:
	case WM_SETTEXT:
	case EM_SETTEXTEX:
	case EM_PASTESPECIAL:
	case WM_PASTE:
		if (dlg->re->IsStopped())
			break;

		KillTimer(hwnd, TIMER_ID);
		SetTimer(hwnd, TIMER_ID, 100, NULL);

		dlg->changed = TRUE;
		break;

	case WM_TIMER:
		if (wParam == TIMER_ID)
			TimerCheck(dlg);
		break;

	case WMU_DICT_CHANGED:
		KillTimer(hwnd, TIMER_ID);
		SetTimer(hwnd, TIMER_ID, 100, NULL);

		dlg->changed = TRUE;
		break;

	case WMU_KBDL_CHANGED:
		if (opts.auto_locale) {
			KillTimer(hwnd, TIMER_ID);
			SetTimer(hwnd, TIMER_ID, 100, NULL);

			dlg->changed = TRUE;

			LoadDictFromKbdl(dlg);
		}
		break;

	case WM_INPUTLANGCHANGE:
		// Allow others to process this message and we get only the result
		PostMessage(hwnd, WMU_KBDL_CHANGED, 0, 0);
		break;
	}

	return ret;
}

int GetClosestLanguage(TCHAR *lang_name)
{
	int i;

	// Search the language by name
	for (i = 0; i < languages.getCount(); i++)
		if (lstrcmpi(languages[i]->language, lang_name) == 0)
			return i;

	// Try searching by the prefix only
	TCHAR lang[128];
	lstrcpyn(lang, lang_name, SIZEOF(lang));

	TCHAR *p = _tcschr(lang, _T('_'));
	if (p != NULL)
		*p = _T('\0');

	// First check if there is a language that is only the prefix
	for (i = 0; i < languages.getCount(); i++)
		if (lstrcmpi(languages[i]->language, lang) == 0)
			return i;

	// Now try any suffix
	size_t len = lstrlen(lang);
	for (i = 0; i < languages.getCount(); i++) {
		TCHAR *p = _tcschr(languages[i]->language, _T('_'));
		if (p == NULL)
			continue;

		int prefix_len = p - languages[i]->language;
		if (prefix_len != len)
			continue;

		if (_tcsnicmp(languages[i]->language, lang_name, len) == 0)
			return i;
	}

	return -1;
}

void GetUserProtoLanguageSetting(Dialog *dlg, HANDLE hContact, char *group, char *setting, BOOL isProtocol = TRUE)
{
	DBVARIANT dbv = {0};
	dbv.type = DBVT_TCHAR;

	DBCONTACTGETSETTING cgs = {0};
	cgs.szModule = group;
	cgs.szSetting = setting;
	cgs.pValue = &dbv;

	INT_PTR rc;

	int caps = (isProtocol ? CallProtoService(group, PS_GETCAPS, PFLAGNUM_4, 0) : 0);
	if (caps & PF4_INFOSETTINGSVC)
		rc = CallProtoService(group, PS_GETINFOSETTING, (WPARAM) hContact, (LPARAM) &cgs);
	else {
		rc = CallService(MS_DB_CONTACT_GETSETTING_STR_EX, (WPARAM)hContact, (LPARAM)&cgs);
		if (rc == CALLSERVICE_NOTFOUND)
			rc = CallService(MS_DB_CONTACT_GETSETTING_STR, (WPARAM)hContact, (LPARAM)&cgs);
	}

	if (!rc && dbv.type == DBVT_TCHAR && dbv.ptszVal != NULL) {
		TCHAR *lang = dbv.ptszVal;

		for (int i = 0; i < languages.getCount(); i++) {
			Dictionary *dict = languages[i];
			if (lstrcmpi(dict->localized_name, lang) == 0
				|| lstrcmpi(dict->english_name, lang) == 0
				|| lstrcmpi(dict->language, lang) == 0)
			{
				lstrcpyn(dlg->lang_name, dict->language, SIZEOF(dlg->lang_name));
				break;
			}
		}
	}

	if (!rc)
		DBFreeVariant(&dbv);
}

void GetUserLanguageSetting(Dialog *dlg, char *setting)
{
	char *proto = GetContactProto(dlg->hContact);
	if (proto == NULL)
		return;

	GetUserProtoLanguageSetting(dlg, dlg->hContact, proto, setting);
	if (dlg->lang_name[0] != _T('\0'))
		return;

	GetUserProtoLanguageSetting(dlg, dlg->hContact, "UserInfo", setting, FALSE);
	if (dlg->lang_name[0] != _T('\0'))
		return;

	// If not found and is inside meta, try to get from the meta
	INT_PTR mc = CallService(MS_MC_GETPROTOCOLNAME, 0, 0);
	if (mc != CALLSERVICE_NOTFOUND) {
		char* metacontacts_proto = (char *) mc;
		if (metacontacts_proto != NULL) {
			mc = CallService(MS_MC_GETMETACONTACT, (WPARAM) dlg->hContact, 0);
			if (mc != CALLSERVICE_NOTFOUND) {
				HANDLE hMetaContact = (HANDLE) mc;
				if (hMetaContact != NULL) {
					GetUserProtoLanguageSetting(dlg, hMetaContact, metacontacts_proto, setting);
					if (dlg->lang_name[0] != _T('\0'))
						return;

					GetUserProtoLanguageSetting(dlg, hMetaContact, "UserInfo", setting, FALSE);
				}
			}
		}
	}
}

void GetContactLanguage(Dialog *dlg)
{
	DBVARIANT dbv = {0};

	dlg->lang_name[0] = _T('\0');

	if (dlg->hContact == NULL) {
		if ( !db_get_ts(NULL, MODULE_NAME, dlg->name, &dbv)) {
			lstrcpyn(dlg->lang_name, dbv.ptszVal, SIZEOF(dlg->lang_name));
			DBFreeVariant(&dbv);
		}
	}
	else {
		if (!db_get_ts(dlg->hContact, MODULE_NAME, "TalkLanguage", &dbv)) {
			lstrcpyn(dlg->lang_name, dbv.ptszVal, SIZEOF(dlg->lang_name));
			DBFreeVariant(&dbv);
		}

		if (dlg->lang_name[0] == _T('\0') && !db_get_ts(dlg->hContact, "eSpeak", "TalkLanguage", &dbv)) {
			lstrcpyn(dlg->lang_name, dbv.ptszVal, SIZEOF(dlg->lang_name));
			DBFreeVariant(&dbv);
		}

		// Try from metacontact
		if (dlg->lang_name[0] == _T('\0')) {
			INT_PTR mc = CallService(MS_MC_GETMETACONTACT, (WPARAM) dlg->hContact, 0);
			if (mc != CALLSERVICE_NOTFOUND) {
				HANDLE hMetaContact = (HANDLE) mc;
				if (hMetaContact != NULL) {
					if (!db_get_ts(hMetaContact, MODULE_NAME, "TalkLanguage", &dbv)) {
						lstrcpyn(dlg->lang_name, dbv.ptszVal, SIZEOF(dlg->lang_name));
						DBFreeVariant(&dbv);
					}

					if (dlg->lang_name[0] == _T('\0') && !db_get_ts(hMetaContact, "eSpeak", "TalkLanguage", &dbv)) {
						lstrcpyn(dlg->lang_name, dbv.ptszVal, SIZEOF(dlg->lang_name));
						DBFreeVariant(&dbv);
					}
				}
			}
		}

		// Try to get from Language info
		if (dlg->lang_name[0] == _T('\0'))
			GetUserLanguageSetting(dlg, "Language");
		if (dlg->lang_name[0] == _T('\0'))
			GetUserLanguageSetting(dlg, "Language1");
		if (dlg->lang_name[0] == _T('\0'))
			GetUserLanguageSetting(dlg, "Language2");
		if (dlg->lang_name[0] == _T('\0'))
			GetUserLanguageSetting(dlg, "Language3");

		// Use default lang
		if (dlg->lang_name[0] == _T('\0'))
			lstrcpyn(dlg->lang_name, opts.default_language, SIZEOF(dlg->lang_name));
	}

	int i = GetClosestLanguage(dlg->lang_name);
	if (i < 0) {
		// Lost a dict?
		lstrcpyn(dlg->lang_name, opts.default_language, SIZEOF(dlg->lang_name));
		i = GetClosestLanguage(dlg->lang_name);
	}

	if (i >= 0) {
		dlg->lang = languages[i];
		dlg->lang->load();
	}
	else dlg->lang = NULL;
}

void ModifyIcon(Dialog *dlg)
{
	if ( ServiceExists(MS_MSG_MODIFYICON)) {
		StatusIconData sid = {0};
		sid.cbSize = sizeof(sid);
		sid.szModule = MODULE_NAME;

		for (int i = 0; i < languages.getCount(); i++) {
			sid.dwId = i;

			if (languages[i] == dlg->lang)
				sid.flags = (dlg->enabled ? 0 : MBF_DISABLED);
			else
				sid.flags = MBF_HIDDEN;

			CallService(MS_MSG_MODIFYICON, (WPARAM) dlg->hContact, (LPARAM) &sid);
		}
	}
}

INT_PTR AddContactTextBoxService(WPARAM wParam, LPARAM lParam)
{
	SPELLCHECKER_ITEM *sci = (SPELLCHECKER_ITEM *) wParam;
	if (sci == NULL || sci->cbSize != sizeof(SPELLCHECKER_ITEM))
		return -1;

	return AddContactTextBox(sci->hContact, sci->hwnd, sci->window_name, FALSE, NULL);
}

void NotifyWrongSRMM()
{
	static BOOL notified = FALSE;
	if (notified)
		return;

	MessageBox(NULL,
		TranslateT("Your message window does not support SpellChecker Plugin.\nIf you use SRMM, tabSRMM or Scriver, please update them to the latest version,\notherwise ask the author of your message window plugin to add support for Spell Checker."),
		TranslateT("Spell Checker"), MB_ICONERROR | MB_OK);

	notified = TRUE;
}

int AddContactTextBox(HANDLE hContact, HWND hwnd, char *name, BOOL srmm, HWND hwndOwner)
{
	if (languages.getCount() <= 0)
		return 0;

	if (dialogs.find(hwnd) == dialogs.end()) {
		// Fill dialog data
		Dialog *dlg = (Dialog *) malloc(sizeof(Dialog));
		ZeroMemory(dlg, sizeof(Dialog));

		dlg->re = new RichEdit(hwnd);
		if (!dlg->re->IsValid()) {
			delete dlg->re;
			free(dlg);

			if (srmm)
				NotifyWrongSRMM();

			return 0;
		}

		dlg->hContact = hContact;
		dlg->hwnd = hwnd;
		strncpy(dlg->name, name, sizeof(dlg->name));
		dlg->enabled = DBGetContactSettingByte(dlg->hContact, MODULE_NAME, dlg->name, 1);
		dlg->srmm = srmm;

		GetContactLanguage(dlg);

		if (opts.auto_locale)
			LoadDictFromKbdl(dlg);

		mir_subclassWindow(dlg->hwnd, EditProc);
		dialogs[hwnd] = dlg;

		if (dlg->srmm && hwndOwner != NULL) {
			dlg->hwnd_owner = hwndOwner;
			mir_subclassWindow(dlg->hwnd_owner, OwnerProc);
			dialogs[dlg->hwnd_owner] = dlg;

			ModifyIcon(dlg);
		}

		if (dlg->lang != NULL)
			dlg->lang->load();

		SetTimer(hwnd, TIMER_ID, 1000, NULL);
	}

	return 0;
}

#define DESTROY_MENY(_m_)	if (_m_ != NULL) { DestroyMenu(_m_); _m_ = NULL; }

void FreePopupData(Dialog *dlg)
{
	DESTROY_MENY(dlg->hLanguageSubMenu)
	DESTROY_MENY(dlg->hWrongWordsSubMenu)

	if (dlg->wrong_words != NULL) {
		for (unsigned i = 0; i < dlg->wrong_words->size(); i++) {
			FREE((*dlg->wrong_words)[i].word)

			DESTROY_MENY((*dlg->wrong_words)[i].hMeSubMenu)
			DESTROY_MENY((*dlg->wrong_words)[i].hCorrectSubMenu)
			DESTROY_MENY((*dlg->wrong_words)[i].hReplaceSubMenu)

			FreeSuggestions((*dlg->wrong_words)[i].suggestions);
		}

		delete dlg->wrong_words;
		dlg->wrong_words = NULL;
	}
}

INT_PTR RemoveContactTextBoxService(WPARAM wParam, LPARAM lParam)
{
	HWND hwnd = (HWND) wParam;
	if (hwnd == NULL)
		return -1;

	return RemoveContactTextBox(hwnd);
}

int RemoveContactTextBox(HWND hwnd)
{
	DialogMapType::iterator dlgit = dialogs.find(hwnd);
	if (dlgit != dialogs.end()) {
		Dialog *dlg = dlgit->second;

		KillTimer(hwnd, TIMER_ID);

		mir_unsubclassWindow(hwnd, EditProc);
		dialogs.erase(hwnd);
		if (dlg->hwnd_owner != NULL)
			dialogs.erase(dlg->hwnd_owner);

		delete dlg->re;
		FreePopupData(dlg);
		free(dlg);
	}

	return 0;
}

// TODO Make this better
BOOL GetWordCharRange(Dialog *dlg, CHARRANGE &sel, TCHAR *text, size_t text_len, int &first_char)
{
	// Get line
	int line = dlg->re->GetLineFromChar(sel.cpMin);

	// Get text
	dlg->re->GetLine(line, text, text_len);
	first_char = dlg->re->GetFirstCharOfLine(line);

	// Find the word
	sel.cpMin--;
	while (sel.cpMin >= first_char && (dlg->lang->isWordChar(text[sel.cpMin - first_char])
										|| IsNumber(text[sel.cpMin - first_char])))
		sel.cpMin--;
	sel.cpMin++;

	while (text[sel.cpMax - first_char] != _T('\0') && (dlg->lang->isWordChar(text[sel.cpMax - first_char])
														|| IsNumber(text[sel.cpMax - first_char])))
		sel.cpMax++;

	// Has a word?
	if (sel.cpMin >= sel.cpMax)
		return FALSE;

	// See if it has only '-'s
	BOOL has_valid_char = FALSE;
	for (int i = sel.cpMin; i < sel.cpMax && !has_valid_char; i++)
		has_valid_char = ( text[i - first_char] != _T('-'));

	return has_valid_char;
}

TCHAR *GetWordUnderPoint(Dialog *dlg, POINT pt, CHARRANGE &sel)
{
	// Get text
	if (dlg->re->GetTextLength() <= 0)
		return NULL;

	// Get pos
	sel.cpMin = sel.cpMax = dlg->re->GetCharFromPos(pt);

	// Get text
	TCHAR text[1024];
	int first_char;

	if (!GetWordCharRange(dlg, sel, text, SIZEOF(text), first_char))
		return NULL;

	// copy the word
	text[sel.cpMax - first_char] = _T('\0');
	return _tcsdup(&text[sel.cpMin - first_char]);
}


void AppendSubmenu(HMENU hMenu, HMENU hSubMenu, TCHAR *name)
{
	MENUITEMINFO mii = {0};
	mii.cbSize = sizeof(MENUITEMINFO);
	mii.fMask = MIIM_SUBMENU | MIIM_TYPE;
	mii.fType = MFT_STRING;
	mii.hSubMenu = hSubMenu;
	mii.dwTypeData = name;
	mii.cch = lstrlen(name);
	InsertMenuItem(hMenu, 0, TRUE, &mii);
}

void AppendMenuItem(HMENU hMenu, int id, TCHAR *name, HICON hIcon, BOOL checked)
{
	ICONINFO iconInfo;
	GetIconInfo(hIcon, & iconInfo);

	MENUITEMINFO mii = {0};
	mii.cbSize = sizeof(MENUITEMINFO);
	mii.fMask = MIIM_CHECKMARKS | MIIM_TYPE | MIIM_STATE;
	mii.fType = MFT_STRING;
	mii.fState = (checked ? MFS_CHECKED : 0);
	mii.wID = id;
	mii.hbmpChecked = iconInfo.hbmColor;
	mii.hbmpUnchecked = iconInfo.hbmColor;
	mii.dwTypeData = name;
	mii.cch = lstrlen(name);
	InsertMenuItem(hMenu, 0, TRUE, &mii);
}

#define LANGUAGE_MENU_ID_BASE 10
#define WORD_MENU_ID_BASE 100
#define AUTOREPLACE_MENU_ID_BASE 50

void AddMenuForWord(Dialog *dlg, TCHAR *word, CHARRANGE &pos, HMENU hMenu, BOOL in_submenu, UINT base)
{
	if (dlg->wrong_words == NULL)
		dlg->wrong_words = new vector<WrongWordPopupMenuData>(1);
	else
		dlg->wrong_words->resize(dlg->wrong_words->size() + 1);

	WrongWordPopupMenuData &data = (*dlg->wrong_words)[dlg->wrong_words->size() - 1];
	ZeroMemory(&data, sizeof(WrongWordPopupMenuData));

	// Get suggestions
	data.word = word;
	data.pos = pos;
	data.suggestions = dlg->lang->suggest(word);

	Suggestions &suggestions = data.suggestions;

	if (in_submenu) {
		data.hMeSubMenu = CreatePopupMenu();
		AppendSubmenu(hMenu, data.hMeSubMenu, word);
		hMenu = data.hMeSubMenu;
	}

	data.hReplaceSubMenu = CreatePopupMenu();

	InsertMenu(data.hReplaceSubMenu, 0, MF_BYPOSITION, base + AUTOREPLACE_MENU_ID_BASE + suggestions.count, TranslateT("Other..."));
	if (suggestions.count > 0) {
		InsertMenu(data.hReplaceSubMenu, 0, MF_BYPOSITION | MF_SEPARATOR, 0, 0);
		for (int i = (int)suggestions.count-1; i >= 0; i--)
			InsertMenu(data.hReplaceSubMenu, 0, MF_BYPOSITION, base + AUTOREPLACE_MENU_ID_BASE + i, suggestions.words[i]);
	}

	AppendSubmenu(hMenu, data.hReplaceSubMenu, TranslateT("Always replace with"));

	InsertMenu(hMenu, 0, MF_BYPOSITION, base + suggestions.count + 1, TranslateT("Ignore all"));
	InsertMenu(hMenu, 0, MF_BYPOSITION, base + suggestions.count, TranslateT("Add to dictionary"));

	if (suggestions.count > 0) {
		HMENU hSubMenu;
		if (opts.cascade_corrections) {
			hSubMenu = data.hCorrectSubMenu = CreatePopupMenu();
			AppendSubmenu(hMenu, hSubMenu, TranslateT("Corrections"));
		}
		else {
			InsertMenu(hMenu, 0, MF_BYPOSITION | MF_SEPARATOR, 0, 0);
			hSubMenu = hMenu;
		}

		for (int i = (int)suggestions.count - 1; i >= 0; i--)
			InsertMenu(hSubMenu, 0, MF_BYPOSITION, base + i, suggestions.words[i]);
	}

	if (!in_submenu && opts.show_wrong_word) {
		InsertMenu(hMenu, 0, MF_BYPOSITION | MF_SEPARATOR, 0, 0);

		TCHAR text[128];
		mir_sntprintf(text, SIZEOF(text), TranslateT("Wrong word: %s"), word);
		InsertMenu(hMenu, 0, MF_BYPOSITION, 0, text);
	}
}

struct FoundWrongWordParam {
	Dialog *dlg;
	int count;
};

void FoundWrongWord(TCHAR *word, CHARRANGE pos, void *param)
{
	FoundWrongWordParam *p = (FoundWrongWordParam*) param;

	p->count ++;

	AddMenuForWord(p->dlg, _tcsdup(word), pos, p->dlg->hWrongWordsSubMenu, TRUE, WORD_MENU_ID_BASE * p->count);
}

void AddItemsToMenu(Dialog *dlg, HMENU hMenu, POINT pt, HWND hwndOwner)
{
	FreePopupData(dlg);
	if (opts.use_flags) {
		dlg->hwnd_menu_owner = hwndOwner;
		menus[hwndOwner] = dlg;
	}

	BOOL wrong_word = FALSE;

	// Make menu
	if (GetMenuItemCount(hMenu) > 0)
		InsertMenu(hMenu, 0, MF_BYPOSITION | MF_SEPARATOR, 0, 0);

	if (languages.getCount() > 0 && dlg->enabled) {
		dlg->hLanguageSubMenu = CreatePopupMenu();

		if (dlg->hwnd_menu_owner != NULL)
			mir_subclassWindow(dlg->hwnd_menu_owner, MenuWndProc);

		// First add languages
		for (int i = 0; i < languages.getCount(); i++)
			AppendMenu(dlg->hLanguageSubMenu, MF_STRING | (languages[i] == dlg->lang ? MF_CHECKED : 0),
				LANGUAGE_MENU_ID_BASE + i, languages[i]->full_name);

		AppendSubmenu(hMenu, dlg->hLanguageSubMenu, TranslateT("Language"));
	}

	InsertMenu(hMenu, 0, MF_BYPOSITION, 1, TranslateT("Enable spell checking"));
	CheckMenuItem(hMenu, 1, MF_BYCOMMAND | (dlg->enabled ? MF_CHECKED : MF_UNCHECKED));

	// Get text
	if (dlg->lang != NULL && dlg->enabled) {
		if (opts.show_all_corrections) {
			dlg->hWrongWordsSubMenu = CreatePopupMenu();

			FoundWrongWordParam p = { dlg, 0 };
			CheckText(dlg, TRUE, FoundWrongWord, &p);

			if (p.count > 0)
				AppendSubmenu(hMenu, dlg->hWrongWordsSubMenu, TranslateT("Wrong words"));
		}
		else {
			CHARRANGE sel;
			TCHAR *word = GetWordUnderPoint(dlg, pt, sel);
			if (word != NULL && !dlg->lang->spell(word)) {
				InsertMenu(hMenu, 0, MF_BYPOSITION | MF_SEPARATOR, 0, 0);
				AddMenuForWord(dlg, word, sel, hMenu, FALSE, WORD_MENU_ID_BASE);
			}
		}
	}
}


static void AddWordToDictCallback(BOOL canceled, Dictionary *dict,
								  const TCHAR *find, const TCHAR *replace, BOOL useVariables,
								  const TCHAR *original_find, void *param)
{
	if (canceled)
		return;

	dict->autoReplace->add(find, replace, useVariables);

	HWND hwndParent = (HWND) param;
	if (hwndParent != NULL)
		PostMessage(hwndParent, WMU_DICT_CHANGED, 0, 0);
}


BOOL HandleMenuSelection(Dialog *dlg, POINT pt, unsigned selection)
{
	BOOL ret = FALSE;

	if (selection == 1) {
		ToggleEnabled(dlg);
		ret = TRUE;
	}
	else if (selection >= LANGUAGE_MENU_ID_BASE && selection < LANGUAGE_MENU_ID_BASE + (unsigned) languages.getCount()) {
		SetNoUnderline(dlg);

		if (dlg->hContact == NULL)
			DBWriteContactSettingTString(NULL, MODULE_NAME, dlg->name,
					languages[selection - LANGUAGE_MENU_ID_BASE]->language);
		else
			DBWriteContactSettingTString(dlg->hContact, MODULE_NAME, "TalkLanguage",
					languages[selection - LANGUAGE_MENU_ID_BASE]->language);

		GetContactLanguage(dlg);

		if (dlg->srmm)
			ModifyIcon(dlg);

		ret = TRUE;
	}
	else if (selection > 0 && dlg->wrong_words != NULL
			 && selection >= WORD_MENU_ID_BASE
			 && selection < (dlg->wrong_words->size() + 1) * WORD_MENU_ID_BASE)
	{
		int pos = selection / WORD_MENU_ID_BASE;
		selection -=  pos * WORD_MENU_ID_BASE;
		pos--; // 0 based
		WrongWordPopupMenuData &data = (*dlg->wrong_words)[pos];

		if (selection < data.suggestions.count) {
			// TODO Assert that text hasn't changed
			ReplaceWord(dlg, data.pos, data.suggestions.words[selection]);
			ret = TRUE;
		}
		else if (selection == data.suggestions.count) {
			dlg->lang->addWord(data.word);
			ret = TRUE;
		}
		else if (selection == data.suggestions.count + 1) {
			dlg->lang->ignoreWord(data.word);
			ret = TRUE;
		}
		else if (selection >= AUTOREPLACE_MENU_ID_BASE && selection < AUTOREPLACE_MENU_ID_BASE + data.suggestions.count + 1) {
			selection -= AUTOREPLACE_MENU_ID_BASE;
			if (selection == data.suggestions.count) {
				ShowAutoReplaceDialog(dlg->hwnd_owner != NULL ? dlg->hwnd_owner : dlg->hwnd, FALSE,
									  dlg->lang, data.word, NULL, FALSE,
									  TRUE, &AddWordToDictCallback, dlg->hwnd);
			}
			else {
				// TODO Assert that text hasn't changed
				ReplaceWord(dlg, data.pos, data.suggestions.words[selection]);
				dlg->lang->autoReplace->add(data.word, data.suggestions.words[selection]);
				ret = TRUE;
			}
		}
	}

	if (ret) {
		KillTimer(dlg->hwnd, TIMER_ID);
		SetTimer(dlg->hwnd, TIMER_ID, 100, NULL);

		dlg->changed = TRUE;
	}

	FreePopupData(dlg);
	return ret;
}

int MsgWindowPopup(WPARAM wParam, LPARAM lParam)
{
	MessageWindowPopupData *mwpd = (MessageWindowPopupData *) lParam;
	if (mwpd == NULL || mwpd->cbSize < sizeof(MessageWindowPopupData) || mwpd->uFlags != MSG_WINDOWPOPUP_INPUT)
		return 0;

	DialogMapType::iterator dlgit = dialogs.find(mwpd->hwnd);
	if (dlgit == dialogs.end())
		return -1;

	Dialog *dlg = dlgit->second;

	POINT pt = mwpd->pt;
	ScreenToClient(dlg->hwnd, &pt);

	if (mwpd->uType == MSG_WINDOWPOPUP_SHOWING)
		AddItemsToMenu(dlg, mwpd->hMenu, pt, dlg->hwnd_owner);
	else if (mwpd->uType == MSG_WINDOWPOPUP_SELECTED)
		HandleMenuSelection(dlg, pt, mwpd->selection);

	return 0;
}

INT_PTR ShowPopupMenuService(WPARAM wParam, LPARAM lParam)
{
	SPELLCHECKER_POPUPMENU *scp = (SPELLCHECKER_POPUPMENU *) wParam;
	if (scp == NULL || scp->cbSize != sizeof(SPELLCHECKER_POPUPMENU))
		return -1;

	return ShowPopupMenu(scp->hwnd, scp->hMenu, scp->pt, scp->hwndOwner == NULL ? scp->hwnd : scp->hwndOwner);
}

int ShowPopupMenu(HWND hwnd, HMENU hMenu, POINT pt, HWND hwndOwner)
{
	DialogMapType::iterator dlgit = dialogs.find(hwnd);
	if (dlgit == dialogs.end())
		return -1;

	Dialog *dlg = dlgit->second;

	if (pt.x == 0xFFFF && pt.y == 0xFFFF) {
		CHARRANGE sel;
		SendMessage(hwnd, EM_EXGETSEL, 0, (LPARAM) &sel);

		// Get current cursor pos
		SendMessage(hwnd, EM_POSFROMCHAR, (WPARAM)&pt, (LPARAM) sel.cpMax);
	}
	else ScreenToClient(hwnd, &pt);

	BOOL create_menu = (hMenu == NULL);
	if (create_menu)
		hMenu = CreatePopupMenu();

	// Make menu
	AddItemsToMenu(dlg, hMenu, pt, hwndOwner);

	// Show menu
	POINT client = pt;
	ClientToScreen(hwnd, &pt);
	int selection = TrackPopupMenu(hMenu, TPM_RETURNCMD, pt.x, pt.y, 0, hwndOwner, NULL);

	// Do action
	if (HandleMenuSelection(dlg, client, selection))
		selection = 0;

	if (create_menu)
		DestroyMenu(hMenu);

	return selection;
}

int MsgWindowEvent(WPARAM wParam, LPARAM lParam)
{
	MessageWindowEventData *event = (MessageWindowEventData *)lParam;
	if (event == NULL)
		return 0;

	if (event->cbSize < sizeof(MessageWindowEventData))
		return 0;

	if (event->uType == MSG_WINDOW_EVT_OPEN)
		AddContactTextBox(event->hContact, event->hwndInput, "DefaultSRMM", TRUE, event->hwndWindow);
	else if (event->uType == MSG_WINDOW_EVT_CLOSING)
		RemoveContactTextBox(event->hwndInput);

	return 0;
}


int IconPressed(WPARAM wParam, LPARAM lParam)
{
	StatusIconClickData *sicd = (StatusIconClickData *) lParam;
	if (sicd == NULL || strcmp(sicd->szModule, MODULE_NAME) != 0)
		return 0;

	HANDLE hContact = (HANDLE) wParam;
	if (hContact == NULL)
		return 0;

	// Find the dialog
	HWND hwnd = NULL;
	Dialog *dlg;
	for(DialogMapType::iterator it = dialogs.begin(); it != dialogs.end(); it++) {
		dlg = it->second;
		if (dlg->srmm && dlg->hContact == hContact) {
			hwnd = it->first;
			break;
		}
	}

	if (hwnd == NULL) {
		NotifyWrongSRMM();
		return 0;
	}

	if ((sicd->flags & MBCF_RIGHTBUTTON) == 0) {
		FreePopupData(dlg);

		// Show the menu
		HMENU hMenu = CreatePopupMenu();

		if (languages.getCount() > 0) {
			if (opts.use_flags) {
				menus[dlg->hwnd] = dlg;
				dlg->hwnd_menu_owner = dlg->hwnd;
				mir_subclassWindow(dlg->hwnd_menu_owner, MenuWndProc);
			}

			// First add languages
			for (int i = 0; i < languages.getCount(); i++)
				AppendMenu(hMenu, MF_STRING | (languages[i] == dlg->lang ? MF_CHECKED : 0),
					LANGUAGE_MENU_ID_BASE + i, languages[i]->full_name);

			InsertMenu(hMenu, 0, MF_BYPOSITION | MF_SEPARATOR, 0, 0);
		}

		InsertMenu(hMenu, 0, MF_BYPOSITION, 1, TranslateT("Enable spell checking"));
		CheckMenuItem(hMenu, 1, MF_BYCOMMAND | (dlg->enabled ? MF_CHECKED : MF_UNCHECKED));

		// Show menu
		int selection = TrackPopupMenu(hMenu, TPM_RETURNCMD, sicd->clickLocation.x, sicd->clickLocation.y, 0, dlg->hwnd, NULL);
		HandleMenuSelection(dlg, sicd->clickLocation, selection);
		DestroyMenu(hMenu);
	}
	else {
		// Enable / disable
		HandleMenuSelection(dlg, sicd->clickLocation, 1);
	}

	return 0;
}

LRESULT CALLBACK MenuWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	DialogMapType::iterator dlgit = menus.find(hwnd);
	if (dlgit == menus.end())
		return -1;

	Dialog *dlg = dlgit->second;

	switch (msg) {
	case WM_INITMENUPOPUP:
		{
			HMENU hMenu = (HMENU) wParam;

			int count = GetMenuItemCount(hMenu);
			for(int i = 0; i < count; i++) {
				unsigned id = GetMenuItemID(hMenu, i);
				if (id < LANGUAGE_MENU_ID_BASE || id >= LANGUAGE_MENU_ID_BASE + (unsigned) languages.getCount())
					continue;

				MENUITEMINFO mii = {0};
				mii.cbSize = sizeof(MENUITEMINFO);
				mii.fMask = MIIM_STATE;
				GetMenuItemInfo(hMenu, id, FALSE, &mii);

				// Make ownerdraw
				ModifyMenu(hMenu, id, mii.fState | MF_BYCOMMAND | MF_OWNERDRAW, id, NULL);
			}
		}
		break;

	case WM_DRAWITEM:
		{
			LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT)lParam;
			if (lpdis->CtlType != ODT_MENU || lpdis->itemID < LANGUAGE_MENU_ID_BASE || lpdis->itemID >= LANGUAGE_MENU_ID_BASE + (unsigned) languages.getCount())
				break;

			int pos = lpdis->itemID - LANGUAGE_MENU_ID_BASE;

			Dictionary *dict = languages[pos];

			COLORREF clrfore = SetTextColor(lpdis->hDC,
				GetSysColor(lpdis->itemState & ODS_SELECTED ? COLOR_HIGHLIGHTTEXT : COLOR_MENUTEXT));
			COLORREF clrback = SetBkColor(lpdis->hDC,
				GetSysColor(lpdis->itemState & ODS_SELECTED ? COLOR_HIGHLIGHT : COLOR_MENU));

			FillRect(lpdis->hDC, &lpdis->rcItem, GetSysColorBrush(lpdis->itemState & ODS_SELECTED ? COLOR_HIGHLIGHT : COLOR_MENU));

			RECT rc = lpdis->rcItem;
			rc.left += 2;

			// Checked?
			rc.right = rc.left + bmpChecked.bmWidth;

			if (lpdis->itemState & ODS_CHECKED) {
				rc.top = (lpdis->rcItem.bottom + lpdis->rcItem.top - bmpChecked.bmHeight) / 2;
				rc.bottom = rc.top + bmpChecked.bmHeight;

				HDC hdcTemp = CreateCompatibleDC(lpdis->hDC);
				HBITMAP oldBmp = (HBITMAP) SelectObject(hdcTemp, hCheckedBmp);

				BitBlt(lpdis->hDC, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, hdcTemp, 0, 0, SRCCOPY);

				SelectObject(hdcTemp, oldBmp);
				DeleteDC(hdcTemp);
			}

			rc.left += bmpChecked.bmWidth + 2;

			// Draw icon
			if (dict->hIcolib) {
				HICON hFlag = Skin_GetIconByHandle(dict->hIcolib);

				rc.top = (lpdis->rcItem.bottom + lpdis->rcItem.top - ICON_SIZE) / 2;
				DrawIconEx(lpdis->hDC, rc.left, rc.top, hFlag, 16, 16, 0, NULL, DI_NORMAL);

				Skin_ReleaseIcon(hFlag);

				rc.left += ICON_SIZE + 4;
			}

			// Draw text
			RECT rc_text = { 0, 0, 0xFFFF, 0xFFFF };
			DrawText(lpdis->hDC, dict->full_name, lstrlen(dict->full_name), &rc_text, DT_END_ELLIPSIS | DT_NOPREFIX | DT_SINGLELINE | DT_LEFT | DT_TOP | DT_CALCRECT);

			rc.right = lpdis->rcItem.right - 2;
			rc.top = (lpdis->rcItem.bottom + lpdis->rcItem.top - (rc_text.bottom - rc_text.top)) / 2;
			rc.bottom = rc.top + rc_text.bottom - rc_text.top;
			DrawText(lpdis->hDC, dict->full_name, lstrlen(dict->full_name), &rc, DT_END_ELLIPSIS | DT_NOPREFIX | DT_LEFT | DT_TOP | DT_SINGLELINE);

			// Restore old colors
			SetTextColor(lpdis->hDC, clrfore);
			SetBkColor(lpdis->hDC, clrback);

			return TRUE;
		}

	case WM_MEASUREITEM:
		{
			LPMEASUREITEMSTRUCT lpmis = (LPMEASUREITEMSTRUCT)lParam;
			if (lpmis->CtlType != ODT_MENU || lpmis->itemID < LANGUAGE_MENU_ID_BASE || lpmis->itemID >= LANGUAGE_MENU_ID_BASE + (unsigned) languages.getCount())
				break;

			int pos = lpmis->itemID - LANGUAGE_MENU_ID_BASE;

			Dictionary *dict = languages[pos];

			HDC hdc = GetDC(hwnd);

			NONCLIENTMETRICS info;
			ZeroMemory(&info, sizeof(info));
			info.cbSize = sizeof(info);
			SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(info), &info, 0);
			HFONT hFont = CreateFontIndirect(&info.lfMenuFont);
			HFONT hFontOld = (HFONT) SelectObject(hdc, hFont);

			RECT rc = { 0, 0, 0xFFFF, 0xFFFF };

			DrawText(hdc, dict->full_name, lstrlen(dict->full_name), &rc, DT_NOPREFIX | DT_SINGLELINE | DT_LEFT | DT_TOP | DT_CALCRECT);

			lpmis->itemHeight = max(ICON_SIZE, max(bmpChecked.bmHeight, rc.bottom));
			lpmis->itemWidth = 2 + bmpChecked.bmWidth + 2 + ICON_SIZE + 4 + rc.right + 2;

			SelectObject(hdc, hFontOld);
			DeleteObject(hFont);
			ReleaseDC(hwnd, hdc);

			return TRUE;
		}
	}

	return mir_callNextSubclass(hwnd, MenuWndProc, msg, wParam, lParam);
}

TCHAR *lstrtrim(TCHAR *str)
{
	int len = lstrlen(str);

	int i;
	for(i = len - 1; i >= 0 && (str[i] == ' ' || str[i] == '\t'); --i) ;
	if (i < len - 1) {
		++i;
		str[i] = _T('\0');
		len = i;
	}

	for(i = 0; i < len && (str[i] == ' ' || str[i] == '\t'); ++i) ;
	if (i > 0)
		memmove(str, &str[i], (len - i + 1) * sizeof(TCHAR));

	return str;
}

BOOL lstreq(TCHAR *a, TCHAR *b, size_t len)
{
	a = CharLower(_tcsdup(a));
	b = CharLower(_tcsdup(b));
	BOOL ret;
	if (len >= 0)
		ret = !_tcsncmp(a, b, len);
	else
		ret = !_tcscmp(a, b);
	free(a);
	free(b);
	return ret;
}