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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (C) 2012-24 Miranda NG team (https://miranda-ng.org),
Copyright (c) 2000-03 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 "stdafx.h"
TCluiData cfg::dat = { 0 };
ClcData* cfg::clcdat = nullptr;
static mir_cs cachecs;
LIST<TExtraCache> cfg::arCache(100, NumericKeySortT);
bool cfg::shutDown = false;
TSysConfig API::sysConfig = { 0 };
TSysState API::sysState = { 0 };
pfnDwmExtendFrameIntoClientArea_t API::pfnDwmExtendFrameIntoClientArea = nullptr;
pfnDwmIsCompositionEnabled_t API::pfnDwmIsCompositionEnabled = nullptr;
EXCEPTION_RECORD API::exRecord = { 0 };
CONTEXT API::exCtx = { 0 };
LRESULT API::exLastResult = 0;
char API::exSzFile[MAX_PATH] = "";
wchar_t API::exReason[256] = L"";
int API::exLine = 0;
bool API::exAllowContinue = false;
HMODULE API::hDwm = nullptr;
TExtraCache* cfg::getCache(const MCONTACT hContact, const char *szProto)
{
int idx = cfg::arCache.getIndex((TExtraCache*)&hContact);
if (idx != -1)
return cfg::arCache[idx];
mir_cslock lck(cachecs);
TExtraCache *p = (TExtraCache*)calloc(sizeof(TExtraCache), 1);
p->hContact = hContact;
LoadSkinItemToCache(p);
p->dwDFlags = g_plugin.getDword(hContact, "CLN_Flags");
GetCachedStatusMsg(p, const_cast<char *>(szProto));
p->dwLastMsgTime = INTSORT_GetLastMsgTime(hContact);
cfg::arCache.insert(p);
return p;
}
void ReloadSkinItemsToCache()
{
for (auto &p : cfg::arCache)
LoadSkinItemToCache(p);
}
void CSH_Destroy()
{
for (int i = 0; i < cfg::arCache.getCount(); i++) {
TExtraCache *p = cfg::arCache[i];
if (p->statusMsg)
free(p->statusMsg);
if (p->status_item) {
StatusItems_t *item = p->status_item;
free(p->status_item);
p->status_item = nullptr;
for (int j = i; j < cfg::arCache.getCount(); j++) // avoid duplicate free()'ing status item pointers (there are references from sub to master contacts, so compare the pointers...
if (cfg::arCache[j]->status_item == item)
cfg::arCache[j]->status_item = nullptr;
}
free(p);
}
cfg::arCache.destroy();
}
void API::onInit()
{
sysConfig.isVistaPlus = (IsWinVerVistaPlus() ? true : false);
sysConfig.isSevenPlus = (IsWinVer7Plus() ? true : false);
if (sysConfig.isVistaPlus) {
if ((hDwm = Utils::loadSystemLibrary(L"\\dwmapi.dll"), true) != 0) {
pfnDwmIsCompositionEnabled = (pfnDwmIsCompositionEnabled_t)GetProcAddress(hDwm, "DwmIsCompositionEnabled");
pfnDwmExtendFrameIntoClientArea = (pfnDwmExtendFrameIntoClientArea_t)GetProcAddress(hDwm, "DwmExtendFrameIntoClientArea");
}
}
updateState();
}
/**
* update system's state (theme status, aero status, DWM check...
*
* called when windows broadcasts things like WM_THEMECHANGED or
* WM_DWMCOMPOSITIONCHANGED
*/
void API::updateState()
{
BOOL result = FALSE;
memset(&sysState, 0, sizeof(TSysState));
sysState.isThemed = IsThemeActive() ? true : false;
if (sysConfig.isVistaPlus) {
sysState.isDwmActive = (pfnDwmIsCompositionEnabled && (pfnDwmIsCompositionEnabled(&result) == S_OK) && result) ? true : false;
sysState.isAero = /* (CSkin::m_skinEnabled == false) && */ db_get_b(0, "CLUI", "useAero", 1) /* && CSkin::m_fAeroSkinsValid */ && sysState.isDwmActive;
}
}
/**
* exception handling for SEH exceptions
*/
/**
* exception handling - copy error message to clip board
* @param hWnd: window handle of the edit control containing the error message
*/
void API::Ex_CopyEditToClipboard(HWND hWnd)
{
SendMessage(hWnd, EM_SETSEL, 0, 65535L);
SendMessage(hWnd, WM_COPY, 0, 0);
SendMessage(hWnd, EM_SETSEL, 0, 0);
}
INT_PTR CALLBACK API::Ex_DlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM)
{
uint16_t wNotifyCode, wID;
switch (uMsg) {
case WM_INITDIALOG: {
char szBuffer[2048];
#ifdef _WIN64
mir_snprintf(szBuffer,
"Exception %16.16X at address %16.16X occured in %s at line %d.\r\n\r\nEAX=%16.16X EBX=%16.16X ECX=%16.16X\r\nEDX=%16.16X ESI=%16.16X EDI=%16.16X\r\nEBP=%16.16X ESP=%16.16X EIP=%16.16X",
exRecord.ExceptionCode, exRecord.ExceptionAddress, exSzFile, exLine,
exCtx.Rax, exCtx.Rbx, exCtx.Rcx, exCtx.Rdx,
exCtx.Rsi, exCtx.Rdi, exCtx.Rbp, exCtx.Rsp, exCtx.Rip);
#else
mir_snprintf(szBuffer,
"Exception %8.8X at address %8.8X occured in %s at line %d.\r\n\r\nEAX=%8.8X EBX=%8.8X ECX=%8.8X\r\nEDX=%8.8X ESI=%8.8X EDI=%8.8X\r\nEBP=%8.8X ESP=%8.8X EIP=%8.8X",
exRecord.ExceptionCode, exRecord.ExceptionAddress, exSzFile, exLine,
exCtx.Eax,exCtx.Ebx, exCtx.Ecx, exCtx.Edx,
exCtx.Esi, exCtx.Edi, exCtx.Ebp, exCtx.Esp, exCtx.Eip);
#endif
SetDlgItemTextA(hwndDlg, IDC_EXCEPTION_DETAILS, szBuffer);
SetFocus(GetDlgItem(hwndDlg, IDC_EXCEPTION_DETAILS));
SendDlgItemMessage(hwndDlg, IDC_EXCEPTION_DETAILS, WM_SETFONT, (WPARAM)GetStockObject(OEM_FIXED_FONT), 0);
SetDlgItemText(hwndDlg, IDC_EX_REASON, exReason);
Utils::enableDlgControl(hwndDlg, IDOK, exAllowContinue ? TRUE : FALSE);
}
break;
case WM_COMMAND:
wNotifyCode = HIWORD(wParam);
wID = LOWORD(wParam);
if (wNotifyCode == BN_CLICKED) {
if (wID == IDOK || wID == IDCANCEL)
EndDialog(hwndDlg, wID);
if (wID == IDC_COPY_EXCEPTION)
Ex_CopyEditToClipboard(GetDlgItem(hwndDlg, IDC_EXCEPTION_DETAILS));
}
break;
}
return FALSE;
}
void API::Ex_Handler()
{
if (exLastResult == IDCANCEL)
ExitProcess(1);
}
int API::Ex_ShowDialog(EXCEPTION_POINTERS *ep, const char *szFile, int line, wchar_t* szReason, bool fAllowContinue)
{
char szDrive[MAX_PATH], szDir[MAX_PATH], szName[MAX_PATH], szExt[MAX_PATH];
_splitpath(szFile, szDrive, szDir, szName, szExt);
memcpy(&exRecord, ep->ExceptionRecord, sizeof(EXCEPTION_RECORD));
memcpy(&exCtx, ep->ContextRecord, sizeof(CONTEXT));
mir_snprintf(exSzFile, "%s%s", szName, szExt);
mir_snwprintf(exReason, L"An application error has occured: %s", szReason);
exLine = line;
exLastResult = DialogBoxParam(g_plugin.getInst(), MAKEINTRESOURCE(IDD_EXCEPTION), nullptr, Ex_DlgProc, 0);
exAllowContinue = fAllowContinue;
if (IDCANCEL == exLastResult)
ExitProcess(1);
return 1;
}
// enable or disable a dialog control
void TSAPI Utils::enableDlgControl(const HWND hwnd, UINT id, BOOL fEnable)
{
::EnableWindow(::GetDlgItem(hwnd, id), fEnable);
}
// show or hide a dialog control
void TSAPI Utils::showDlgControl(const HWND hwnd, UINT id, int showCmd)
{
::ShowWindow(::GetDlgItem(hwnd, id), showCmd);
}
/**
* load a system library from the Windows system path and return its module
* handle.
*
* return 0 and throw an exception if something goes wrong.
*/
HMODULE Utils::loadSystemLibrary(const wchar_t* szFilename, bool useGetHandle)
{
wchar_t sysPathName[MAX_PATH + 2];
HMODULE _h = nullptr;
if (0 == ::GetSystemDirectory(sysPathName, MAX_PATH)) {
CRTException("Error while loading system library", szFilename).display();
return nullptr;
}
sysPathName[MAX_PATH - 1] = 0;
if (mir_wstrlen(sysPathName) + mir_wstrlen(szFilename) >= MAX_PATH) {
CRTException("Error while loading system library", szFilename).display();
return nullptr;
}
mir_wstrcat(sysPathName, szFilename);
if (useGetHandle)
_h = ::GetModuleHandle(sysPathName);
else
_h = LoadLibrary(sysPathName);
if (nullptr == _h) {
CRTException("Error while loading system library", szFilename).display();
return nullptr;
}
return (_h);
}
CRTException::CRTException(const char *szMsg, const wchar_t *szParam) : std::runtime_error(std::string(szMsg))
{
mir_snwprintf(m_szParam, MAX_PATH, szParam);
}
void CRTException::display() const
{
wchar_t *tszMsg = mir_a2u(what());
wchar_t tszBoxMsg[500];
mir_snwprintf(tszBoxMsg, L"%s\n\n(%s)", tszMsg, m_szParam);
::MessageBox(nullptr, tszBoxMsg, L"Clist_nicer runtime error", MB_OK | MB_ICONERROR);
mir_free(tszMsg);
}
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