/*

Miranda IM: the free IM client for Microsoft* Windows*

Copyright 2000-2009 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.

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

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#include "..\..\core\commonheaders.h"

#include <m_hotkeys.h>
#include "skin.h"

static TCHAR *sttHokeyVkToName(WORD vkKey)
{
	static TCHAR buf[256] = {0};
	DWORD code = MapVirtualKey(vkKey, 0) << 16;

	switch (vkKey)
	{
	case 0:
	case VK_CONTROL:
	case VK_SHIFT:
	case VK_MENU:
	case VK_LWIN:
	case VK_RWIN:
	case VK_PAUSE:
	case VK_CANCEL:
	case VK_NUMLOCK:
	case VK_CAPITAL:
	case VK_SCROLL:
		return _T("");

	case VK_DIVIDE:
	case VK_INSERT:
	case VK_HOME:
	case VK_PRIOR:
	case VK_DELETE:
	case VK_END:
	case VK_NEXT:
	case VK_LEFT:
	case VK_RIGHT:
	case VK_UP:
	case VK_DOWN:
		code |= (1UL << 24);
	}

	GetKeyNameText(code, buf, 256);
	return buf;
}

void HotkeyToName(TCHAR *buf, int size, BYTE shift, BYTE key)
{
	mir_sntprintf(buf, size, _T("%s%s%s%s%s"),
		(shift & HOTKEYF_CONTROL)	? _T("Ctrl + ")		: _T(""),
		(shift & HOTKEYF_ALT)		? _T("Alt + ")		: _T(""),
		(shift & HOTKEYF_SHIFT)		? _T("Shift + ")	: _T(""),
		(shift & HOTKEYF_EXT)		? _T("Win + ")		: _T(""),
		sttHokeyVkToName(key));
}

///////////////////////////////////////////////////////////////////////////////
// Hotkey control

static LRESULT CALLBACK sttHotkeyEditProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	THotkeyBoxData *data = (THotkeyBoxData *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
	BOOL bKeyDown = FALSE;
	if (!data) return 0;

	switch (msg) {
	case HKM_GETHOTKEY:
		return data->key ? MAKEWORD(data->key, data->shift) : 0;

	case HKM_SETHOTKEY:
		{
			TCHAR buf[256] = {0};
			data->key = (BYTE)LOWORD(wParam);
			data->shift = (BYTE)HIWORD(wParam);
			HotkeyToName(buf, SIZEOF(buf), data->shift, data->key);
			SetWindowText(hwnd, buf);
		}
		return 0;

	case WM_GETDLGCODE:
		return DLGC_WANTALLKEYS;

	case WM_KILLFOCUS:
		break;

	case WM_CHAR:
	case WM_SYSCHAR:
	case WM_PASTE:
	case WM_CONTEXTMENU:
		return TRUE;

	case WM_KEYDOWN:
	case WM_SYSKEYDOWN:
		bKeyDown = TRUE;

	case WM_KEYUP:
	case WM_SYSKEYUP:
		{
			TCHAR buf[256] = {0};

			BYTE shift = 0;
			BYTE key = wParam;
			TCHAR *name = sttHokeyVkToName(key);
			if (!*name || !bKeyDown)
				key = 0;

			if (GetAsyncKeyState(VK_CONTROL)) shift |= HOTKEYF_CONTROL;
			if (GetAsyncKeyState(VK_MENU))    shift |= HOTKEYF_ALT;
			if (GetAsyncKeyState(VK_SHIFT))   shift |= HOTKEYF_SHIFT;
			if (GetAsyncKeyState(VK_LWIN) || GetAsyncKeyState(VK_RWIN)) shift |= HOTKEYF_EXT;

			if (bKeyDown || !data->key) {
				data->shift = shift;
				data->key = key;
			}

			HotkeyToName(buf, SIZEOF(buf), data->shift, data->key);
			SetWindowText(hwnd, buf);

			if (bKeyDown && data->key)
				SendMessage(GetParent(hwnd), WM_COMMAND, MAKELONG(GetWindowLongPtr(hwnd, GWL_ID), 0), (LPARAM)hwnd);
		}
		return TRUE;

	case WM_DESTROY:
		{
			WNDPROC saveOldWndProc = data->oldWndProc;
			SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)data->oldWndProc);
			SetWindowLongPtr(hwnd, GWLP_USERDATA, 0);
			mir_free(data);
			return CallWindowProc(saveOldWndProc, hwnd, msg, wParam, lParam);
		}	
	}

	return CallWindowProc(data->oldWndProc, hwnd, msg, wParam, lParam);
}

void HotkeyEditCreate(HWND hwnd)
{
	THotkeyBoxData *data = (THotkeyBoxData *)mir_alloc(sizeof(THotkeyBoxData));
	SetWindowLongPtr(hwnd, GWLP_USERDATA, (ULONG_PTR)data);
	data->oldWndProc = (WNDPROC)SetWindowLongPtr(hwnd, GWLP_WNDPROC, (ULONG_PTR)sttHotkeyEditProc);
}

void HotkeyEditDestroy(HWND hwnd)
{
	THotkeyBoxData *data = (THotkeyBoxData *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
	SetWindowLongPtr(hwnd, GWLP_WNDPROC, (ULONG_PTR)data->oldWndProc);
	SetWindowLongPtr(hwnd, GWLP_USERDATA, 0);
	mir_free(data);
}

///////////////////////////////////////////////////////////////////////////////
// Options

enum { COL_NAME, COL_TYPE, COL_KEY, COL_RESET, COL_ADDREMOVE };

static void sttOptionsSetupItem(HWND hwndList, int idx, THotkeyItem *item)
{
	TCHAR buf[256];
	LVITEM lvi = {0};
	lvi.iItem = idx;

	if ( !item->rootHotkey) {
		lvi.mask = LVIF_TEXT|LVIF_IMAGE;
		lvi.iSubItem = COL_NAME;
		lvi.pszText = item->getDescr();
		lvi.iImage = item->OptType;
		ListView_SetItem(hwndList, &lvi);

		ListView_SetCheckState(hwndList, lvi.iItem, item->Enabled);
	}

	lvi.mask = LVIF_TEXT;
	lvi.iSubItem = COL_KEY;
	HotkeyToName(buf, SIZEOF(buf), HIBYTE(item->OptHotkey), LOBYTE(item->OptHotkey));
	lvi.pszText = buf;
	ListView_SetItem(hwndList, &lvi);

	if (item->rootHotkey) {
		lvi.mask = LVIF_IMAGE;
		lvi.iSubItem = COL_TYPE;
		lvi.iImage = item->OptType;
		ListView_SetItem(hwndList, &lvi);
	}

	lvi.mask = LVIF_IMAGE;
	lvi.iSubItem = COL_RESET;
	lvi.iImage = (item->Hotkey != item->OptHotkey) ? 5 : -1;
	ListView_SetItem(hwndList, &lvi);

	lvi.mask = LVIF_IMAGE|LVIF_TEXT;
	lvi.iSubItem = COL_ADDREMOVE;
	if (item->rootHotkey) {
		lvi.iImage = 4;
		lvi.pszText = TranslateT("Remove shortcut");
	}
	else {
		lvi.iImage = 3;
		lvi.pszText = TranslateT("Add another shortcut");
	}
	ListView_SetItem(hwndList, &lvi);
}

static void sttOptionsDeleteHotkey(HWND hwndList, int idx, THotkeyItem *item)
{
	item->OptDeleted = TRUE;
	ListView_DeleteItem(hwndList, idx);
	if (item->rootHotkey)
		item->rootHotkey->OptChanged = TRUE;
}

static int CALLBACK sttOptionsSortList(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
{
	TCHAR title1[256] = {0}, title2[256] = {0};
	THotkeyItem *item1 = NULL, *item2 = NULL;
	LVITEM lvi = {0};
	int res;

	lvi.mask = LVIF_TEXT|LVIF_PARAM;
	lvi.iItem = lParam1;
	lvi.pszText = title1;
	lvi.cchTextMax = SIZEOF(title1);
	if (ListView_GetItem((HWND)lParamSort, &lvi))
		item1 = (THotkeyItem *)lvi.lParam;

	lvi.mask = LVIF_TEXT|LVIF_PARAM;
	lvi.iItem = lParam2;
	lvi.pszText = title2;
	lvi.cchTextMax = SIZEOF(title2);
	if (ListView_GetItem((HWND)lParamSort, &lvi))
		item2 = (THotkeyItem *)lvi.lParam;

	if ( !item1 && !item2)
		return lstrcmp(title1, title2);

	if ( !item1) {
		if (res = lstrcmp(title1, item2->getSection()))
			return res;
		return -1;
	}

	if ( !item2) {
		if (res = lstrcmp(item1->getSection(), title2))
			return res;
		return 1;
	}

	if (res = lstrcmp(item1->getSection(), item2->getSection())) return res;
	if (res = lstrcmp(item1->getDescr(), item2->getDescr())) return res;
	if (!item1->rootHotkey && item2->rootHotkey) return -1;
	if (item1->rootHotkey && !item2->rootHotkey) return 1;
	return 0;
}

static void sttOptionsAddHotkey(HWND hwndList, THotkeyItem *item)
{
	char buf[256];
	mir_snprintf(buf, SIZEOF(buf), "mir_hotkey_%d_%d", g_pid, g_hkid++);

	THotkeyItem *newItem = (THotkeyItem *)mir_alloc(sizeof(THotkeyItem));
	newItem->pszName = NULL;
	newItem->pszService = item->pszService ? mir_strdup(item->pszService) : NULL;
	newItem->ptszSection = mir_tstrdup(item->ptszSection);
	newItem->ptszDescription = mir_tstrdup(item->ptszDescription);
	newItem->lParam = item->lParam;
	newItem->idHotkey = GlobalAddAtomA(buf);
	newItem->rootHotkey = item;
	newItem->Hotkey = newItem->DefHotkey = newItem->OptHotkey = 0;
	newItem->type = newItem->OptType = item->OptType;
	newItem->Enabled = newItem->OptEnabled = TRUE;
	newItem->OptChanged = newItem->OptDeleted = FALSE;
	newItem->OptNew = TRUE;
	hotkeys.insert(newItem);

	SendMessage(hwndList, WM_SETREDRAW, FALSE, 0);

	LVITEM lvi = {0};
	lvi.mask |= LVIF_PARAM;
	lvi.lParam = (LPARAM)newItem;
	sttOptionsSetupItem(hwndList, ListView_InsertItem(hwndList, &lvi), newItem);
	ListView_SortItemsEx(hwndList, sttOptionsSortList, (LPARAM)hwndList);

	SendMessage(hwndList, WM_SETREDRAW, TRUE, 0);
	RedrawWindow(hwndList, NULL, NULL, RDW_INVALIDATE);

	item->OptChanged = TRUE;
}

static void sttOptionsSetChanged(THotkeyItem *item)
{
	item->OptChanged = TRUE;
	if (item->rootHotkey)
		item->rootHotkey->OptChanged = TRUE;
}

static void sttOptionsSaveItem(THotkeyItem *item)
{
	int i;
	char buf[MAXMODULELABELLENGTH];

	if (item->rootHotkey) return;
	if ( !item->OptChanged) return;

	item->Hotkey = item->OptHotkey;
	item->type = item->OptType;
	item->Enabled = item->OptEnabled;

	DBWriteContactSettingWord(NULL, DBMODULENAME, item->pszName, item->Hotkey);
	DBWriteContactSettingByte(NULL, DBMODULENAME "Off", item->pszName, (BYTE)!item->Enabled);
	if (item->type != HKT_MANUAL)
		DBWriteContactSettingByte(NULL, DBMODULENAME "Types", item->pszName, (BYTE)item->type);

	item->nSubHotkeys = 0;
	for (i=0; i < hotkeys.getCount(); i++) {
		THotkeyItem *subItem = hotkeys[i];
		if (subItem->rootHotkey == item) {
			subItem->Hotkey = subItem->OptHotkey;
			subItem->type = subItem->OptType;

			mir_snprintf(buf, SIZEOF(buf), "%s$%d", item->pszName, item->nSubHotkeys);
			DBWriteContactSettingWord(NULL, DBMODULENAME, buf, subItem->Hotkey);
			if (subItem->type != HKT_MANUAL)
				DBWriteContactSettingByte(NULL, DBMODULENAME "Types", buf, (BYTE)subItem->type);

			++item->nSubHotkeys;
	}	}

	mir_snprintf(buf, SIZEOF(buf), "%s$count", item->pszName);
	db_set_dw(NULL, DBMODULENAME, buf, item->nSubHotkeys);
}

static void sttBuildHotkeyList(HWND hwndList)
{
	int i, nItems = 0;
	ListView_DeleteAllItems(hwndList);

	for (i=0; i < hotkeys.getCount(); i++) {
		LVITEM lvi = {0};
		THotkeyItem *item = hotkeys[i];

		if (item->OptDeleted)
			continue;

		if ( !i || lstrcmp(item->ptszSection, hotkeys[i-1]->ptszSection)) {
			lvi.mask = LVIF_TEXT|LVIF_PARAM;
			lvi.iItem = nItems++;
			lvi.iSubItem = 0;
			lvi.lParam = 0;
			lvi.pszText = item->getSection();
			ListView_InsertItem(hwndList, &lvi);
			ListView_SetCheckState(hwndList, lvi.iItem, TRUE);

			lvi.mask = LVIF_TEXT;
			lvi.iSubItem = 1;
			lvi.pszText = item->ptszSection;
			ListView_SetItem(hwndList, &lvi);

			lvi.iSubItem = 0;
		}

		lvi.mask = LVIF_PARAM | LVIF_INDENT;
		lvi.iIndent = 1;
		lvi.iItem = nItems++;
		lvi.lParam = (LPARAM)item;
		ListView_InsertItem(hwndList, &lvi);
		sttOptionsSetupItem(hwndList, nItems-1, item);
	}

	ListView_SortItemsEx(hwndList, sttOptionsSortList, (LPARAM)hwndList);
}

static void sttOptionsStartEdit(HWND hwndDlg, HWND hwndHotkey)
{
	LVITEM lvi;
	THotkeyItem *item;
	int iItem = ListView_GetNextItem(hwndHotkey, -1, LVNI_SELECTED);
	if (iItem < 0) return;

	lvi.mask = LVIF_PARAM;
	lvi.iItem = iItem;
	ListView_GetItem(hwndHotkey, &lvi);

	if (item = (THotkeyItem *)lvi.lParam) {
		RECT rc;
		ListView_GetSubItemRect(hwndHotkey, iItem, COL_KEY, LVIR_BOUNDS, &rc);
		MapWindowPoints(hwndHotkey, hwndDlg, (LPPOINT)&rc, 2);
		SendDlgItemMessage(hwndDlg, IDC_HOTKEY, HKM_SETHOTKEY, MAKELONG(LOBYTE(item->OptHotkey), HIBYTE(item->OptHotkey)), 0);

		SetWindowPos(hwndHotkey, HWND_BOTTOM, 0, 0, 0, 0, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE);
		SetWindowPos( GetDlgItem(hwndDlg, IDC_HOTKEY), HWND_TOP, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, SWP_SHOWWINDOW);
		RedrawWindow( GetDlgItem(hwndDlg, IDC_HOTKEY), NULL, NULL, RDW_INVALIDATE);

		SetFocus( GetDlgItem(hwndDlg, IDC_HOTKEY));
		RedrawWindow( GetDlgItem(hwndDlg, IDC_HOTKEY), NULL, NULL, RDW_INVALIDATE);
	}
}

static void sttOptionsDrawTextChunk(HDC hdc, TCHAR *text, RECT *rc)
{
	SIZE sz;
	DrawText(hdc, text, lstrlen(text), rc, DT_LEFT|DT_NOPREFIX|DT_SINGLELINE|DT_VCENTER|DT_WORD_ELLIPSIS);
	GetTextExtentPoint32(hdc, text, lstrlen(text), &sz);
	rc->left += sz.cx;
}

static INT_PTR CALLBACK sttOptionsDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
	static BOOL initialized = FALSE;
	static int colWidth = 0;
	static WORD currentLanguage = 0;

	HWND hwndHotkey = GetDlgItem(hwndDlg, IDC_LV_HOTKEYS);

	switch (msg) {
	case WM_INITDIALOG:
		initialized = FALSE;

		TranslateDialogDefault(hwndDlg);

		HotkeyEditCreate( GetDlgItem(hwndDlg, IDC_HOTKEY));
		{
			HIMAGELIST hIml = ImageList_Create(16, 16, ILC_MASK + (IsWinVerXPPlus() ? ILC_COLOR32 : ILC_COLOR16), 3, 1);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_WINDOWS);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_MIRANDA);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_WINDOW);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_ADDCONTACT);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_DELETE);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_UNDO);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_GROUPOPEN);
			ImageList_AddIcon_IconLibLoaded(hIml, SKINICON_OTHER_GROUPSHUT);
			ListView_SetImageList(hwndHotkey, hIml, LVSIL_SMALL);
		}
		ListView_SetExtendedListViewStyle(hwndHotkey, LVS_EX_CHECKBOXES|LVS_EX_SUBITEMIMAGES|LVS_EX_FULLROWSELECT|LVS_EX_DOUBLEBUFFER|LVS_EX_INFOTIP);
		{
			RECT rc;
			GetClientRect(hwndHotkey, &rc);
			colWidth = rc.right - GetSystemMetrics(SM_CXHTHUMB) - 3*GetSystemMetrics(SM_CXSMICON) - 5;

			LVCOLUMN lvc;
			lvc.mask = LVCF_WIDTH;
			lvc.cx = colWidth * 2 / 3;
			ListView_InsertColumn(hwndHotkey, COL_NAME, &lvc);
			lvc.cx = GetSystemMetrics(SM_CXSMICON);
			ListView_InsertColumn(hwndHotkey, COL_TYPE, &lvc);
			lvc.cx = colWidth / 3;
			ListView_InsertColumn(hwndHotkey, COL_KEY, &lvc);
			lvc.cx = GetSystemMetrics(SM_CXSMICON);
			ListView_InsertColumn(hwndHotkey, COL_RESET, &lvc);
			lvc.cx = GetSystemMetrics(SM_CXSMICON);
			ListView_InsertColumn(hwndHotkey, COL_ADDREMOVE, &lvc);

			for (int i=0; i < hotkeys.getCount(); i++) {
				THotkeyItem *item = hotkeys[i];

				item->OptChanged = FALSE;
				item->OptDeleted = item->OptNew = FALSE;
				item->OptEnabled = item->Enabled;
				item->OptHotkey = item->Hotkey;
				item->OptType = item->type;
			}

			currentLanguage = LOWORD(GetKeyboardLayout(0));
			sttBuildHotkeyList(hwndHotkey);
		}
		SetTimer(hwndDlg, 1024, 1000, NULL);
		initialized = TRUE;
		{
			/* load group states */
			int count = ListView_GetItemCount(hwndHotkey);
			TCHAR buf[128];
			LVITEM lvi = {0};
			lvi.pszText = buf;
			lvi.cchTextMax = SIZEOF(buf);
			for (lvi.iItem = 0; lvi.iItem < count; ++lvi.iItem) {
				char *szSetting;

				lvi.mask = LVIF_PARAM;
				lvi.iSubItem = 0;
				ListView_GetItem(hwndHotkey, &lvi);
				if (lvi.lParam) continue;

				lvi.mask = LVIF_TEXT;
				lvi.iSubItem = 1;
				ListView_GetItem(hwndHotkey, &lvi);

				szSetting = mir_t2a(lvi.pszText);

				ListView_SetCheckState(hwndHotkey, lvi.iItem,
					db_get_b(NULL, DBMODULENAME "UI", szSetting, TRUE));

				mir_free(szSetting);
			}
		}

		g_hwndHkOptions = hwndDlg;
		break;

	case WM_TIMER:
		if (initialized) {
			WORD newLanguage = LOWORD(GetKeyboardLayout(0));
			if (newLanguage == currentLanguage)
				break;

			int count = ListView_GetItemCount(hwndHotkey);

			LVITEM lvi = {0};
			lvi.mask = LVIF_PARAM;
			for (lvi.iItem = 0; lvi.iItem < count; ++lvi.iItem) {
				ListView_GetItem(hwndHotkey, &lvi);
				if (lvi.lParam)
					sttOptionsSetupItem(hwndHotkey, lvi.iItem, (THotkeyItem *)lvi.lParam);
			}
			currentLanguage = newLanguage;
		}
		break;

	case WM_HOTKEYUNREGISTERED:
		{
			int count = ListView_GetItemCount(hwndHotkey);

			LVITEM lvi = {0};
			lvi.mask = LVIF_PARAM;
			for (lvi.iItem = 0; lvi.iItem < count; ++lvi.iItem) {
				ListView_GetItem(hwndHotkey, &lvi);
				if ( !lvi.lParam) continue;

				if (((THotkeyItem *)lvi.lParam)->UnregisterHotkey) {
					ListView_DeleteItem(hwndHotkey, lvi.iItem);
					--lvi.iItem;
					--count;
				}
			}
		}
		break;

	case WM_DRAWITEM:
		{
			LPDRAWITEMSTRUCT lpdis = (LPDRAWITEMSTRUCT)lParam;
			RECT rc = lpdis->rcItem;
			int prefix = 65;
			int width = (lpdis->rcItem.right - lpdis->rcItem.left - prefix) / 3;
			rc.left += 5;

			HIMAGELIST hIml = ListView_GetImageList(hwndHotkey, LVSIL_SMALL);

			if (lpdis->CtlID == IDC_CANVAS2) {
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("Scope:"), &rc);

				rc.left = prefix + width * 0;
				ImageList_Draw(hIml, 0, lpdis->hDC, rc.left, (rc.top+rc.bottom-16)/2, ILD_TRANSPARENT);
				rc.left += 20;
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("System"), &rc);

				rc.left = prefix + width * 1;
				ImageList_Draw(hIml, 1, lpdis->hDC, rc.left, (rc.top+rc.bottom-16)/2, ILD_TRANSPARENT);
				rc.left += 20;
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("Miranda"), &rc);

				rc.left = prefix + width * 2;
				ImageList_Draw(hIml, 2, lpdis->hDC, rc.left, (rc.top+rc.bottom-16)/2, ILD_TRANSPARENT);
				rc.left += 20;
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("Window"), &rc);
				return TRUE;
			}

			if (lpdis->CtlID == IDC_CANVAS) {
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("Actions:"), &rc);
				rc.left += 10;

				rc.left = prefix + width * 0;
				ImageList_Draw(hIml, 5, lpdis->hDC, rc.left, (rc.top+rc.bottom-16)/2, ILD_TRANSPARENT);
				rc.left += 20;
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("Undo"), &rc);

				rc.left = prefix + width * 1;
				ImageList_Draw(hIml, 3, lpdis->hDC, rc.left, (rc.top+rc.bottom-16)/2, ILD_TRANSPARENT);
				rc.left += 20;
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("Add binding"), &rc);

				rc.left = prefix + width * 2;
				ImageList_Draw(hIml, 4, lpdis->hDC, rc.left, (rc.top+rc.bottom-16)/2, ILD_TRANSPARENT);
				rc.left += 20;
				sttOptionsDrawTextChunk(lpdis->hDC, TranslateT("Remove"), &rc);
				return TRUE;
			}
		}
		break;

	case WM_COMMAND:
		if ((LOWORD(wParam) == IDC_HOTKEY) && ((HIWORD(wParam) == EN_KILLFOCUS) || (HIWORD(wParam) == 0))) {
			LVITEM lvi;
			THotkeyItem *item;
			WORD wHotkey = (WORD)SendDlgItemMessage(hwndDlg, IDC_HOTKEY, HKM_GETHOTKEY, 0, 0);

			ShowWindow( GetDlgItem(hwndDlg, IDC_HOTKEY), SW_HIDE);
			SetFocus(hwndHotkey);
			if ( !wHotkey || (wHotkey == VK_ESCAPE) || (HIWORD(wParam) != 0))
				break;

			lvi.mask = LVIF_PARAM;
			lvi.iItem = ListView_GetNextItem(hwndHotkey, -1, LVNI_SELECTED);
			if (lvi.iItem >= 0) {
				ListView_GetItem(hwndHotkey, &lvi);
				if (item = (THotkeyItem *)lvi.lParam) {
					item->OptHotkey = wHotkey;

					sttOptionsSetupItem(hwndHotkey, lvi.iItem, item);
					sttOptionsSetChanged(item);
					SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
		}	}	}
		break;

	case WM_CONTEXTMENU:
		if (GetWindowLongPtr((HWND)wParam, GWL_ID) == IDC_LV_HOTKEYS) {
			HWND hwndList = (HWND)wParam;
			POINT pt = { (signed short)LOWORD(lParam), (signed short)HIWORD(lParam) };
			LVITEM lvi = {0};
			THotkeyItem *item = NULL;

			lvi.iItem = ListView_GetNextItem(hwndHotkey, -1, LVNI_SELECTED);
			if (lvi.iItem < 0) return FALSE;

			lvi.mask = LVIF_PARAM;
			ListView_GetItem(hwndList, &lvi);
			if ( !(item = (THotkeyItem *)lvi.lParam)) return FALSE;

			if ((pt.x == -1) && (pt.y == -1)) {
				RECT rc;
				ListView_GetItemRect(hwndList, lvi.iItem, &rc, LVIR_LABEL);
				pt.x = rc.left;
				pt.y = rc.bottom;
				ClientToScreen(hwndList, &pt);
			}

			enum { MI_CANCEL, MI_CHANGE, MI_SYSTEM, MI_LOCAL, MI_ADD, MI_REMOVE, MI_REVERT };

			MENUITEMINFO mii = {0};
			mii.cbSize = sizeof(mii);
			mii.fMask = MIIM_STATE;
			mii.fState = MFS_DEFAULT;

			HMENU hMenu = CreatePopupMenu();
			AppendMenu(hMenu, MF_STRING, (UINT_PTR)MI_CHANGE, TranslateT("Modify"));
			SetMenuItemInfo(hMenu, (UINT_PTR)MI_CHANGE, FALSE, &mii);
			if (item->type != HKT_MANUAL) {
				AppendMenu(hMenu, MF_SEPARATOR, 0, NULL);
				AppendMenu(hMenu, MF_STRING|
					((item->OptType == HKT_GLOBAL) ? MF_CHECKED : 0),
					(UINT_PTR)MI_SYSTEM, TranslateT("System scope"));
				AppendMenu(hMenu, MF_STRING|
					((item->OptType == HKT_LOCAL) ? MF_CHECKED : 0),
					(UINT_PTR)MI_LOCAL, TranslateT("Miranda scope"));
			}
			AppendMenu(hMenu, MF_SEPARATOR, 0, NULL);
			if ( !item->rootHotkey)
				AppendMenu(hMenu, MF_STRING, (UINT_PTR)MI_ADD, TranslateT("Add binding"));
			else
				AppendMenu(hMenu, MF_STRING, (UINT_PTR)MI_REMOVE, TranslateT("Remove"));
			if (item->Hotkey != item->OptHotkey) {
				AppendMenu(hMenu, MF_SEPARATOR, 0, NULL);
				AppendMenu(hMenu, MF_STRING, (UINT_PTR)MI_REVERT, TranslateT("Undo"));
			}

			switch (TrackPopupMenu(hMenu, TPM_RETURNCMD, pt.x, pt.y, 0, hwndDlg, NULL)) {
			case MI_CHANGE:
				sttOptionsStartEdit(hwndDlg, hwndHotkey);
				break;
			case MI_SYSTEM:
				item->OptType = HKT_GLOBAL;
				sttOptionsSetupItem(hwndList, lvi.iItem, item);
				sttOptionsSetChanged(item);
				SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
				break;
			case MI_LOCAL:
				item->OptType = HKT_LOCAL;
				sttOptionsSetupItem(hwndList, lvi.iItem, item);
				sttOptionsSetChanged(item);
				SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
				break;
			case MI_ADD:
				initialized = FALSE;
				sttOptionsAddHotkey(hwndList, item);
				initialized = FALSE;
				break;
			case MI_REMOVE:
				sttOptionsDeleteHotkey(hwndList, lvi.iItem, item);
				break;
			case MI_REVERT:
				item->OptHotkey = item->Hotkey;
				sttOptionsSetupItem(hwndList, lvi.iItem, item);
				break;
			}
			DestroyMenu(hMenu);
			break;
		}
		break;

	case WM_NOTIFY:
		{
			LPNMHDR lpnmhdr = (LPNMHDR)lParam;
			switch (lpnmhdr->idFrom) {
			case 0:
				{
					int i;

					if ((lpnmhdr->code != PSN_APPLY) && (lpnmhdr->code != PSN_RESET))
						break;

					UnregisterHotkeys();

					for (i=0; i < hotkeys.getCount(); i++) {
						THotkeyItem *item = hotkeys[i];
						if (item->OptNew && item->OptDeleted  ||
							item->rootHotkey && !item->OptHotkey  ||
							(lpnmhdr->code == PSN_APPLY) && item->OptDeleted  ||
							(lpnmhdr->code == PSN_RESET) && item->OptNew)
						{
							FreeHotkey(item);
							hotkeys.remove(i--);
						}
					}

					if (lpnmhdr->code == PSN_APPLY) {
						LVITEM lvi = {0};
						int count = ListView_GetItemCount(hwndHotkey);

						for (i=0; i < hotkeys.getCount(); i++)
							sttOptionsSaveItem(hotkeys[i]);

						lvi.mask = LVIF_IMAGE;
						lvi.iSubItem = COL_RESET;
						lvi.iImage = -1;
						for (lvi.iItem = 0; lvi.iItem < count; ++lvi.iItem)
							ListView_SetItem(hwndHotkey, &lvi);
					}

					RegisterHotkeys();

					NotifyEventHooks(hEvChanged, 0, 0);
				}
				break;

			case IDC_LV_HOTKEYS:
				switch (lpnmhdr->code) {
				case NM_CLICK:
					{
						THotkeyItem *item = NULL;
						LPNMITEMACTIVATE lpnmia = (LPNMITEMACTIVATE)lParam;
						LVHITTESTINFO lvhti = {0};
						LVITEM lvi = {0};

						lvi.mask = LVIF_PARAM|LVIF_IMAGE;
						lvi.iItem = lpnmia->iItem;
						ListView_GetItem(lpnmia->hdr.hwndFrom, &lvi);
						item = (THotkeyItem *)lvi.lParam;

						lvhti.pt = lpnmia->ptAction;
						lvhti.iItem = lpnmia->iItem;
						lvhti.iSubItem = lpnmia->iSubItem;
						ListView_HitTest(lpnmia->hdr.hwndFrom, &lvhti);

						if (item &&
							( !item->rootHotkey && (lpnmia->iSubItem == COL_NAME) && ((lvhti.flags & LVHT_ONITEM) == LVHT_ONITEMICON)  ||
							item->rootHotkey && (lpnmia->iSubItem == COL_TYPE)) &&
							((item->OptType == HKT_GLOBAL) || (item->OptType == HKT_LOCAL)))
						{
							item->OptType = (item->OptType == HKT_GLOBAL) ? HKT_LOCAL : HKT_GLOBAL;
							sttOptionsSetupItem(lpnmia->hdr.hwndFrom, lpnmia->iItem, item);
							sttOptionsSetChanged(item);
							SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
						}
						else if (item && (lpnmia->iSubItem == COL_RESET)) {
							item->OptHotkey = item->Hotkey;
							sttOptionsSetupItem(lpnmia->hdr.hwndFrom, lpnmia->iItem, item);
						}
						else if (item && (lpnmia->iSubItem == COL_ADDREMOVE)) {
							if (item->rootHotkey)
								sttOptionsDeleteHotkey(lpnmia->hdr.hwndFrom, lpnmia->iItem, item);
							else {
								initialized = FALSE;
								sttOptionsAddHotkey(lpnmia->hdr.hwndFrom, item);
								initialized = TRUE;
							}
							SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
						}
					}
					break;

				case LVN_KEYDOWN:
					{
						LPNMLVKEYDOWN param = (LPNMLVKEYDOWN)lParam;
						if (param->wVKey == VK_SUBTRACT || param->wVKey == VK_LEFT || param->wVKey == VK_ADD || param->wVKey == VK_RIGHT) {
							LVITEM lvi = {0};
							lvi.mask = LVIF_PARAM;
							lvi.iItem = ListView_GetNextItem(lpnmhdr->hwndFrom, -1, LVNI_SELECTED);
							if (lvi.iItem < 0)
								break;

							ListView_GetItem(lpnmhdr->hwndFrom, &lvi);
							if (lvi.lParam)
								break;

							if (param->wVKey == VK_ADD || param->wVKey == VK_RIGHT) {
								ListView_SetCheckState(lpnmhdr->hwndFrom, lvi.iItem, TRUE);
							}
							else {
								ListView_SetCheckState(lpnmhdr->hwndFrom, lvi.iItem, FALSE);
							}
						}
						else if (param->wVKey == VK_F2)
							sttOptionsStartEdit(hwndDlg, hwndHotkey);
					}
					break;

				case LVN_ITEMACTIVATE:
					{
						LVITEM lvi = {0};
						lvi.mask = LVIF_PARAM;
						lvi.iItem = ListView_GetNextItem(lpnmhdr->hwndFrom, -1, LVNI_SELECTED);
						if (lvi.iItem < 0) break;
						ListView_GetItem(lpnmhdr->hwndFrom, &lvi);

						if (lvi.lParam)
							sttOptionsStartEdit(hwndDlg, hwndHotkey);
						else
							ListView_SetCheckState(lpnmhdr->hwndFrom, lvi.iItem, !ListView_GetCheckState(lpnmhdr->hwndFrom, lvi.iItem));
					}
					break;

				case LVN_ITEMCHANGED:
					{
						LPNMLISTVIEW param = (LPNMLISTVIEW)lParam;
						THotkeyItem *item = (THotkeyItem *)param->lParam;
						if ( !initialized || (param->uNewState>>12 == param->uOldState>>12))
							break;

						if (item && !item->rootHotkey) {
							item->OptEnabled = ListView_GetCheckState(lpnmhdr->hwndFrom, param->iItem) ? 1 : 0;
							sttOptionsSetChanged(item);
							SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
						}
						else if ( !item) {
							TCHAR buf[256];
							LVITEM lvi = {0};
							lvi.mask = LVIF_TEXT;
							lvi.iItem = param->iItem;
							lvi.pszText = buf;
							lvi.cchTextMax = SIZEOF(buf);
							ListView_GetItem(lpnmhdr->hwndFrom, &lvi);

							if (param->uNewState>>12 == 1) {
								int count = ListView_GetItemCount(lpnmhdr->hwndFrom);
								LVITEM lvi = {0};
								lvi.mask = LVIF_PARAM;
								for (lvi.iItem = 0; lvi.iItem < count; ++lvi.iItem) {
									THotkeyItem *item;
									ListView_GetItem(lpnmhdr->hwndFrom, &lvi);
									item = (THotkeyItem *)lvi.lParam;
									if ( !item) continue;
									if ( !lstrcmp( item->getSection(), buf)) {
										ListView_DeleteItem(lpnmhdr->hwndFrom, lvi.iItem);
										--lvi.iItem;
										--count;
									}	}
							}
							else if (param->uNewState>>12 == 2) {
								int i, nItems = ListView_GetItemCount(lpnmhdr->hwndFrom);
								initialized = FALSE;
								for (i=0; i < hotkeys.getCount(); i++) {
									LVITEM lvi = {0};
									THotkeyItem *item = hotkeys[i];

									if (item->OptDeleted)
										continue;
									if ( lstrcmp(buf, item->getSection()))
										continue;

									lvi.mask = LVIF_PARAM|LVIF_INDENT;
									lvi.iIndent = 1;
									lvi.iItem = nItems++;
									lvi.lParam = (LPARAM)item;
									ListView_InsertItem(lpnmhdr->hwndFrom, &lvi);
									sttOptionsSetupItem(lpnmhdr->hwndFrom, nItems-1, item);
								}
								ListView_SortItemsEx(lpnmhdr->hwndFrom, sttOptionsSortList, (LPARAM)lpnmhdr->hwndFrom);
								initialized = TRUE;
							}
						}
						break;
					}
				case NM_CUSTOMDRAW:
					{
						NMLVCUSTOMDRAW *param = (NMLVCUSTOMDRAW *) lParam;
						switch (param->nmcd.dwDrawStage) {
						case CDDS_PREPAINT:
						case CDDS_ITEMPREPAINT:
							SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, CDRF_NOTIFYSUBITEMDRAW);
							return TRUE;

						case CDDS_SUBITEM|CDDS_ITEMPREPAINT:
							{
								THotkeyItem *item;
								TCHAR buf[256];
								LVITEM lvi = {0};
								lvi.mask = LVIF_TEXT|LVIF_PARAM;
								lvi.iItem = param->nmcd.dwItemSpec;
								lvi.pszText = buf;
								lvi.cchTextMax = SIZEOF(buf);
								ListView_GetItem(lpnmhdr->hwndFrom, &lvi);

								item = (THotkeyItem *)lvi.lParam;
								if (!item) {
									RECT rc;
									HFONT hfnt;

									ListView_GetSubItemRect(lpnmhdr->hwndFrom, param->nmcd.dwItemSpec, param->iSubItem, LVIR_BOUNDS, &rc);
									FillRect(param->nmcd.hdc, &rc, GetSysColorBrush(param->nmcd.uItemState&CDIS_SELECTED ? COLOR_HIGHLIGHT : COLOR_WINDOW));
									SetTextColor(param->nmcd.hdc, GetSysColor(param->nmcd.uItemState&CDIS_SELECTED ? COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT));

									if (param->iSubItem == 0) {
										rc.left += 3;
										HIMAGELIST hIml = ListView_GetImageList(hwndHotkey, LVSIL_SMALL);
										ImageList_Draw(hIml,
											ListView_GetCheckState(hwndHotkey, lvi.iItem) ? 6 : 7,
											param->nmcd.hdc, rc.left, (rc.top+rc.bottom-16)/2, ILD_TRANSPARENT);
										rc.left += 18;
										hfnt = (HFONT)SelectObject(param->nmcd.hdc, (HFONT)SendMessage(GetParent(hwndDlg), PSM_GETBOLDFONT, 0, 0));
										DrawText(param->nmcd.hdc, buf, -1, &rc, DT_LEFT|DT_NOPREFIX|DT_SINGLELINE|DT_VCENTER);
										SelectObject(param->nmcd.hdc, hfnt);
									}

									SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, CDRF_SKIPDEFAULT);
									return TRUE;
								}

								if (item->rootHotkey && (param->iSubItem == 0)) {
									RECT rc;
									ListView_GetSubItemRect(lpnmhdr->hwndFrom, param->nmcd.dwItemSpec, param->iSubItem, LVIR_BOUNDS, &rc);
									FillRect(param->nmcd.hdc, &rc, GetSysColorBrush(COLOR_WINDOW));
									SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, CDRF_SKIPDEFAULT);
									return TRUE;
								}
								break;
							}
						}
						break;
					}
					break;
				}
			}
		}
		break;

	case WM_DESTROY:
		{
			int count = ListView_GetItemCount(hwndHotkey);

			g_hwndHkOptions = NULL;

			KillTimer(hwndDlg, 1024);

			TCHAR buf[128];
			LVITEM lvi = {0};
			lvi.pszText = buf;
			lvi.cchTextMax = SIZEOF(buf);
			for (lvi.iItem = 0; lvi.iItem < count; ++lvi.iItem) {
				lvi.mask = LVIF_PARAM;
				lvi.iSubItem = 0;
				ListView_GetItem(hwndHotkey, &lvi);
				if (lvi.lParam) continue;

				lvi.mask = LVIF_TEXT;
				lvi.iSubItem = 1;
				ListView_GetItem(hwndHotkey, &lvi);

				DBWriteContactSettingByte(NULL, DBMODULENAME "UI", _T2A(lvi.pszText), ListView_GetCheckState(hwndHotkey, lvi.iItem));
			}
		}
	}

	return FALSE;
}

int HotkeyOptionsInit(WPARAM wParam, LPARAM)
{
	OPTIONSDIALOGPAGE odp = {0};
	odp.cbSize = sizeof(odp);
	odp.hInstance = hInst;
	odp.flags = ODPF_BOLDGROUPS;
	odp.position = -180000000;
	odp.pszTemplate = MAKEINTRESOURCEA(IDD_OPT_HOTKEYS);
	odp.pszTitle = LPGEN("Hotkeys");
	odp.pszGroup = LPGEN("Customize");
	odp.pfnDlgProc = sttOptionsDlgProc;
	Options_AddPage(wParam, &odp);
	return 0;
}