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assembler_dlg_tabs.c
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assembler_dlg_tabs.c
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#include "stdafx.h"
#include "assembler_dlg_tabs.h"
static HWND hPostErrorWnd;
static UINT uPostErrorMsg;
static TCHAR szTabFilesPath[MAX_PATH];
static TCHAR szConfigFilePath[MAX_PATH];
static TCHAR szLibraryFilePath[MAX_PATH];
static FILETIME ftConfigLastWriteTime;
static FILETIME ftCurrentTabLastWriteTime;
static UINT nTabsCreatedCounter;
void InitTabs(HWND hTabCtrlWnd, HWND hAsmEditWnd, HINSTANCE hInst, HWND hErrorWnd, UINT uErrorMsg)
{
TCHAR szTabsRelativeFilePath[MAX_PATH];
DWORD dwPathLen;
int nTabsLoaded;
int nLastTab;
hPostErrorWnd = hErrorWnd;
uPostErrorMsg = uErrorMsg;
// Get the folder with our tab files, and create it if it does not exist
if(!MyGetstringfromini(hInst, _T("tabs_path"), szTabsRelativeFilePath, MAX_PATH))
{
lstrcpy(szTabsRelativeFilePath, _T(".\\multiasm"));
MyWritestringtoini(hInst, _T("tabs_path"), szTabsRelativeFilePath);
}
dwPathLen = PathRelativeToModuleDir(hInst, szTabsRelativeFilePath, szTabFilesPath, TRUE);
if(dwPathLen == 0 || dwPathLen+sizeof("4294967295.asm") > MAX_PATH || // and "tabs.ini" and "lib\\"
!MakeSureDirectoryExists(szTabFilesPath))
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Could not use specified directory, using system temp dir"));
GetTempPath(MAX_PATH, szTabFilesPath);
}
lstrcpy(szConfigFilePath, szTabFilesPath);
lstrcat(szConfigFilePath, _T("tabs.ini"));
GetConfigLastWriteTime(&ftConfigLastWriteTime);
lstrcpy(szLibraryFilePath, szTabFilesPath);
lstrcat(szLibraryFilePath, _T("lib\\"));
// Load our tabs from ini
nTabsLoaded = InitLoadTabs(hTabCtrlWnd);
// Create a new tab if needed
if(nTabsLoaded == 0)
{
nTabsCreatedCounter = 0;
NewTab(hTabCtrlWnd, hAsmEditWnd, NULL);
}
else
{
nTabsCreatedCounter = ReadIntFromPrivateIni(_T("tabs_counter"), 0);
nLastTab = ReadIntFromPrivateIni(_T("tabs_last_open"), 0);
if(nLastTab > 0 && nLastTab < nTabsLoaded)
TabCtrl_SetCurSel(hTabCtrlWnd, nLastTab);
LoadFileOfTab(hTabCtrlWnd, hAsmEditWnd);
}
}
int InitLoadTabs(HWND hTabCtrlWnd)
{
TCHAR szStringKey[32];
TCITEM_CUSTOM tci;
TCHAR szTabLabel[MAX_PATH];
int nMaxLabelLen;
int nTabCount, nTabInvalidCount;
int i;
TabCtrl_SetItemExtra(hTabCtrlWnd, sizeof(TCITEM_EXTRA));
nMaxLabelLen = (MAX_PATH-1) - lstrlen(szTabFilesPath) - (sizeof(".asm")-1);
nTabCount = 0;
nTabInvalidCount = 0;
tci.header.mask = TCIF_TEXT|TCIF_PARAM;
tci.header.pszText = szTabLabel;
ZeroMemory(&tci.extra, sizeof(TCITEM_EXTRA));
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount+nTabInvalidCount);
ReadStringFromPrivateIni(szStringKey, NULL, szTabLabel, nMaxLabelLen+1);
while(*szTabLabel != _T('\0'))
{
MakeTabLabelValid(szTabLabel);
if(FindTabByLabel(hTabCtrlWnd, szTabLabel) == -1)
{
if(nTabInvalidCount > 0)
{
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount);
WriteStringToPrivateIni(szStringKey, szTabLabel);
}
TabCtrl_InsertItem(hTabCtrlWnd, nTabCount, &tci);
nTabCount++;
}
else
nTabInvalidCount++;
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount+nTabInvalidCount);
ReadStringFromPrivateIni(szStringKey, NULL, szTabLabel, nMaxLabelLen+1);
}
for(i=0; i<nTabInvalidCount; i++)
{
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount+i);
WriteStringToPrivateIni(szStringKey, NULL);
}
return nTabCount;
}
void SyncTabs(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
FILETIME ftWriteTimeCompare;
TCHAR szStringKey[32];
TCITEM_CUSTOM tci;
TCHAR szTabLabel[MAX_PATH];
int nMaxLabelLen;
int nTabCount, nTabInvalidCount;
int nTabIndex;
BOOL bTabChanged;
TCHAR szFileName[MAX_PATH];
int i;
bTabChanged = FALSE;
GetConfigLastWriteTime(&ftWriteTimeCompare);
if(ftWriteTimeCompare.dwLowDateTime != ftConfigLastWriteTime.dwLowDateTime ||
ftWriteTimeCompare.dwHighDateTime != ftConfigLastWriteTime.dwHighDateTime)
{
nTabsCreatedCounter = ReadIntFromPrivateIni(_T("tabs_counter"), 0);
nMaxLabelLen = (MAX_PATH-1) - lstrlen(szTabFilesPath) - (sizeof(".asm")-1);
nTabCount = 0;
nTabInvalidCount = 0;
tci.header.mask = TCIF_TEXT|TCIF_PARAM;
tci.header.pszText = szTabLabel;
ZeroMemory(&tci.extra, sizeof(TCITEM_EXTRA));
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount+nTabInvalidCount);
ReadStringFromPrivateIni(szStringKey, NULL, szTabLabel, nMaxLabelLen+1);
while(*szTabLabel != _T('\0'))
{
MakeTabLabelValid(szTabLabel);
nTabIndex = FindTabByLabel(hTabCtrlWnd, szTabLabel);
if(nTabIndex == -1 || nTabIndex >= nTabCount)
{
if(nTabInvalidCount > 0)
{
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount);
WriteStringToPrivateIni(szStringKey, szTabLabel);
}
if(nTabIndex == -1)
TabCtrl_InsertItem(hTabCtrlWnd, nTabCount, &tci);
else if(nTabIndex > nTabCount)
MoveTab(hTabCtrlWnd, nTabIndex, nTabCount);
nTabCount++;
}
else
nTabInvalidCount++;
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount+nTabInvalidCount);
ReadStringFromPrivateIni(szStringKey, NULL, szTabLabel, nMaxLabelLen+1);
}
for(i=0; i<nTabInvalidCount; i++)
{
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount+i);
WriteStringToPrivateIni(szStringKey, NULL);
}
while(TabCtrl_DeleteItem(hTabCtrlWnd, nTabCount));
if(nTabCount == 0)
{
NewTab(hTabCtrlWnd, hAsmEditWnd, NULL);
nTabIndex = 0;
bTabChanged = TRUE;
}
else
{
nTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
if(nTabIndex == -1)
{
TabCtrl_SetCurSel(hTabCtrlWnd, 0);
OnTabChanged(hTabCtrlWnd, hAsmEditWnd);
nTabIndex = 0;
bTabChanged = TRUE;
}
}
WriteIntToPrivateIni(_T("tabs_last_open"), nTabIndex);
//GetConfigLastWriteTime(&ftConfigLastWriteTime); // done at WriteIntToPrivateIni
}
if(!bTabChanged)
{
GetTabFileName(hTabCtrlWnd, -1, szFileName);
GetFileLastWriteTime(szFileName, &ftWriteTimeCompare);
if(ftWriteTimeCompare.dwLowDateTime != ftCurrentTabLastWriteTime.dwLowDateTime ||
ftWriteTimeCompare.dwHighDateTime != ftCurrentTabLastWriteTime.dwHighDateTime)
OnTabFileUpdated(hTabCtrlWnd, hAsmEditWnd);
}
}
void NewTab(HWND hTabCtrlWnd, HWND hAsmEditWnd, TCHAR *pTabLabel)
{
TCHAR szFileName[MAX_PATH];
int nFilePathLen;
TCHAR szTabLabel[MAX_PATH];
int nLabelLen, nMaxLabelLen;
TCITEM_CUSTOM tci;
int nTabCount;
TCHAR szStringKey[32];
UINT i;
lstrcpy(szFileName, szTabFilesPath);
nFilePathLen = lstrlen(szFileName);
if(pTabLabel)
{
nLabelLen = lstrlen(pTabLabel);
nMaxLabelLen = (MAX_PATH-1) - nFilePathLen - (sizeof(".asm")-1);
if(nLabelLen <= nMaxLabelLen)
{
lstrcpy(szTabLabel, pTabLabel);
lstrcpy(szFileName+nFilePathLen, szTabLabel);
lstrcat(szFileName+nFilePathLen, _T(".asm"));
for(i=2; GetFileAttributes(szFileName) != INVALID_FILE_ATTRIBUTES || FindTabByLabel(hTabCtrlWnd, szTabLabel) != -1; i++)
{
if(nLabelLen+wsprintf(szTabLabel+nLabelLen, _T(" (%u)"), i) > nMaxLabelLen)
{
szFileName[nFilePathLen] = _T('\0');
break;
}
lstrcpy(szFileName+nFilePathLen, szTabLabel);
lstrcat(szFileName+nFilePathLen, _T(".asm"));
}
}
}
if(szFileName[nFilePathLen] == _T('\0'))
{
do
{
nTabsCreatedCounter++;
wsprintf(szTabLabel, _T("%u"), nTabsCreatedCounter);
lstrcpy(szFileName+nFilePathLen, szTabLabel);
lstrcat(szFileName+nFilePathLen, _T(".asm"));
}
while(GetFileAttributes(szFileName) != INVALID_FILE_ATTRIBUTES || FindTabByLabel(hTabCtrlWnd, szTabLabel) != -1);
}
tci.header.mask = TCIF_TEXT|TCIF_PARAM;
tci.header.pszText = szTabLabel;
ZeroMemory(&tci.extra, sizeof(TCITEM_EXTRA));
nTabCount = TabCtrl_GetItemCount(hTabCtrlWnd);
TabCtrl_InsertItem(hTabCtrlWnd, nTabCount, &tci);
TabCtrl_SetCurSel(hTabCtrlWnd, nTabCount);
SendMessage(hAsmEditWnd, WM_SETTEXT, 0, (LPARAM)_T(""));
ZeroMemory(&ftCurrentTabLastWriteTime, sizeof(FILETIME));
WriteIntToPrivateIni(_T("tabs_counter"), nTabsCreatedCounter);
WriteIntToPrivateIni(_T("tabs_last_open"), nTabCount);
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabCount);
WriteStringToPrivateIni(szStringKey, szTabLabel);
}
void PrevTab(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
int nTabCount;
int nTabIndex;
nTabCount = TabCtrl_GetItemCount(hTabCtrlWnd);
if(nTabCount > 1)
{
nTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
if(nTabIndex > 0)
nTabIndex--;
else
nTabIndex = nTabCount-1;
OnTabChanging(hTabCtrlWnd, hAsmEditWnd);
TabCtrl_SetCurSel(hTabCtrlWnd, nTabIndex);
OnTabChanged(hTabCtrlWnd, hAsmEditWnd);
}
}
void NextTab(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
int nTabCount;
int nTabIndex;
nTabCount = TabCtrl_GetItemCount(hTabCtrlWnd);
if(nTabCount > 1)
{
nTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
if(nTabIndex < nTabCount-1)
nTabIndex++;
else
nTabIndex = 0;
OnTabChanging(hTabCtrlWnd, hAsmEditWnd);
TabCtrl_SetCurSel(hTabCtrlWnd, nTabIndex);
OnTabChanged(hTabCtrlWnd, hAsmEditWnd);
}
}
BOOL GetTabName(HWND hTabCtrlWnd, TCHAR *pText, int nTextBuffer)
{
int nCurrentTabIndex;
TCITEM_CUSTOM tci;
nCurrentTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
if(nCurrentTabIndex != -1)
{
tci.header.mask = TCIF_TEXT;
tci.header.pszText = pText;
tci.header.cchTextMax = nTextBuffer;
return TabCtrl_GetItem(hTabCtrlWnd, nCurrentTabIndex, &tci);
}
else
return FALSE;
}
void CloseTab(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
CloseTabByIndex(hTabCtrlWnd, hAsmEditWnd, -1);
}
BOOL CloseTabOnPoint(HWND hTabCtrlWnd, HWND hAsmEditWnd, POINT *ppt)
{
TCHITTESTINFO hti;
int nTabIndex;
hti.pt = *ppt;
nTabIndex = TabCtrl_HitTest(hTabCtrlWnd, &hti);
if(nTabIndex == -1)
return FALSE;
CloseTabByIndex(hTabCtrlWnd, hAsmEditWnd, nTabIndex);
return TRUE;
}
void CloseTabByIndex(HWND hTabCtrlWnd, HWND hAsmEditWnd, int nTabIndex)
{
BOOL bClosingCurrent;
TCHAR szFileName[MAX_PATH];
int nTabCount;
TCITEM_CUSTOM tci;
TCHAR szStringKey[32];
int i;
if(nTabIndex == -1)
{
nTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
bClosingCurrent = TRUE;
}
else
bClosingCurrent = (nTabIndex == TabCtrl_GetCurSel(hTabCtrlWnd));
GetTabFileName(hTabCtrlWnd, nTabIndex, szFileName);
if(GetFileAttributes(szFileName) != INVALID_FILE_ATTRIBUTES)
if(!DeleteFile(szFileName))
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Failed to delete file"));
TabCtrl_DeleteItem(hTabCtrlWnd, nTabIndex);
nTabCount = TabCtrl_GetItemCount(hTabCtrlWnd);
tci.header.mask = TCIF_TEXT;
tci.header.pszText = szFileName;
tci.header.cchTextMax = MAX_PATH;
for(i=nTabIndex; i<nTabCount; i++)
{
TabCtrl_GetItem(hTabCtrlWnd, i, &tci);
wsprintf(szStringKey, _T("tabs_file[%d]"), i);
WriteStringToPrivateIni(szStringKey, szFileName);
}
wsprintf(szStringKey, _T("tabs_file[%d]"), i);
WriteStringToPrivateIni(szStringKey, NULL);
if(bClosingCurrent)
{
if(nTabCount > 0)
{
if(nTabIndex > 0)
TabCtrl_SetCurSel(hTabCtrlWnd, nTabIndex-1);
else
TabCtrl_SetCurSel(hTabCtrlWnd, 0);
OnTabChanged(hTabCtrlWnd, hAsmEditWnd);
}
else
{
nTabsCreatedCounter = 0;
NewTab(hTabCtrlWnd, hAsmEditWnd, NULL);
}
}
}
void CloseAllTabs(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
int nTabCount, nErrorCount;
TCHAR szFileName[MAX_PATH];
TCHAR szStringKey[32];
int i;
nTabCount = TabCtrl_GetItemCount(hTabCtrlWnd);
nErrorCount = 0;
for(i=0; i<nTabCount; i++)
{
GetTabFileName(hTabCtrlWnd, i, szFileName);
if(GetFileAttributes(szFileName) != INVALID_FILE_ATTRIBUTES)
if(!DeleteFile(szFileName))
nErrorCount++;
wsprintf(szStringKey, _T("tabs_file[%d]"), i);
WriteStringToPrivateIni(szStringKey, NULL);
}
if(nErrorCount > 0)
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Failed to delete one or more of the files"));
TabCtrl_DeleteAllItems(hTabCtrlWnd);
nTabsCreatedCounter = 0;
NewTab(hTabCtrlWnd, hAsmEditWnd, NULL);
}
BOOL OnContextMenu(HWND hTabCtrlWnd, HWND hAsmEditWnd, LPARAM lParam, POINT *ppt)
{
TCHITTESTINFO hti;
int nTabIndex, nCurrentTabIndex;
RECT rc;
nCurrentTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
if(lParam == -1)
{
TabCtrl_GetItemRect(hTabCtrlWnd, nCurrentTabIndex, &rc);
ppt->x = rc.left + (rc.right - rc.left) / 2;
ppt->y = rc.top + (rc.bottom - rc.top) / 2;
ClientToScreen(hTabCtrlWnd, ppt);
}
else
{
hti.pt.x = GET_X_LPARAM(lParam);
hti.pt.y = GET_Y_LPARAM(lParam);
ScreenToClient(hTabCtrlWnd, &hti.pt);
nTabIndex = TabCtrl_HitTest(hTabCtrlWnd, &hti);
if(nTabIndex == -1)
return FALSE;
if(nTabIndex != nCurrentTabIndex)
{
OnTabChanging(hTabCtrlWnd, hAsmEditWnd);
TabCtrl_SetCurSel(hTabCtrlWnd, nTabIndex);
OnTabChanged(hTabCtrlWnd, hAsmEditWnd);
}
ppt->x = GET_X_LPARAM(lParam);
ppt->y = GET_Y_LPARAM(lParam);
}
return TRUE;
}
void OnTabChanging(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
TCITEM_CUSTOM tci;
tci.header.mask = TCIF_PARAM;
SendMessage(hAsmEditWnd, EM_EXGETSEL, 0, (LPARAM)&tci.extra.char_range);
tci.extra.first_visible_line = (int)SendMessage(hAsmEditWnd, EM_GETFIRSTVISIBLELINE, 0, 0);
TabCtrl_SetItem(hTabCtrlWnd, TabCtrl_GetCurSel(hTabCtrlWnd), &tci);
SaveFileOfTab(hTabCtrlWnd, hAsmEditWnd);
}
void OnTabChanged(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
TCITEM_CUSTOM tci;
LoadFileOfTab(hTabCtrlWnd, hAsmEditWnd);
tci.header.mask = TCIF_PARAM;
TabCtrl_GetItem(hTabCtrlWnd, TabCtrl_GetCurSel(hTabCtrlWnd), &tci);
SendMessage(hAsmEditWnd, EM_EXSETSEL, 0, (LPARAM)&tci.extra.char_range);
SendMessage(hAsmEditWnd, EM_LINESCROLL, 0, tci.extra.first_visible_line);
SendMessage(hAsmEditWnd, EM_SCROLLCARET, 0, 0);
WriteIntToPrivateIni(_T("tabs_last_open"), TabCtrl_GetCurSel(hTabCtrlWnd));
}
void OnTabFileUpdated(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
int first_visible_line;
CHARRANGE char_range;
SendMessage(hAsmEditWnd, EM_EXGETSEL, 0, (LPARAM)&char_range);
first_visible_line = (int)SendMessage(hAsmEditWnd, EM_GETFIRSTVISIBLELINE, 0, 0);
LoadFileOfTab(hTabCtrlWnd, hAsmEditWnd);
SendMessage(hAsmEditWnd, EM_EXSETSEL, 0, (LPARAM)&char_range);
SendMessage(hAsmEditWnd, EM_LINESCROLL, 0, first_visible_line);
SendMessage(hAsmEditWnd, EM_SCROLLCARET, 0, 0);
}
void TabRenameStart(HWND hTabCtrlWnd)
{
int nMaxLabelLen;
nMaxLabelLen = (MAX_PATH-1) - lstrlen(szTabFilesPath) - (sizeof(".asm")-1);
TabCtrl_Ex_EditLabel(hTabCtrlWnd, nMaxLabelLen);
}
BOOL TabRenameEnd(HWND hTabCtrlWnd, TCHAR *pNewLabel)
{
int nCurrentTabIndex;
TCHAR szOldTabLabel[MAX_PATH];
TCHAR szFileName[MAX_PATH];
TCHAR szOldFileName[MAX_PATH];
TCHAR szStringKey[32];
TCITEM_CUSTOM tci;
if(*pNewLabel == _T('\0'))
return FALSE;
MakeTabLabelValid(pNewLabel);
nCurrentTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
tci.header.mask = TCIF_TEXT;
tci.header.pszText = szOldTabLabel;
tci.header.cchTextMax = MAX_PATH - lstrlen(szTabFilesPath) - (sizeof(".asm")-1);
TabCtrl_GetItem(hTabCtrlWnd, nCurrentTabIndex, &tci);
if(lstrcmp(szOldTabLabel, pNewLabel) == 0)
return FALSE;
if(FindTabByLabel(hTabCtrlWnd, pNewLabel) != -1)
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONHAND, (LPARAM)_T("Such tab already exists"));
return FALSE;
}
lstrcpy(szFileName, szTabFilesPath);
lstrcat(szFileName, pNewLabel);
lstrcat(szFileName, _T(".asm"));
if(lstrcmpi(szOldTabLabel, pNewLabel) != 0 && GetFileAttributes(szFileName) != INVALID_FILE_ATTRIBUTES)
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONHAND, (LPARAM)_T("Such file already exists"));
return FALSE;
}
GetTabFileName(hTabCtrlWnd, -1, szOldFileName);
if(GetFileAttributes(szOldFileName) != INVALID_FILE_ATTRIBUTES && !MoveFile(szOldFileName, szFileName))
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONHAND, (LPARAM)_T("Failed to rename file"));
return FALSE;
}
wsprintf(szStringKey, _T("tabs_file[%d]"), TabCtrl_GetCurSel(hTabCtrlWnd));
WriteStringToPrivateIni(szStringKey, pNewLabel);
return TRUE;
}
BOOL OnTabDrag(HWND hTabCtrlWnd, int nDragFromId, int nDropToId)
{
TCITEM_CUSTOM tci;
TCHAR szTabLabel[MAX_PATH];
int nTabIndex, nTabCount;
TCHAR szStringKey[32];
int i;
WriteIntToPrivateIni(_T("tabs_last_open"), nDropToId);
tci.header.mask = TCIF_TEXT;
tci.header.pszText = szTabLabel;
tci.header.cchTextMax = MAX_PATH;
if(nDropToId > nDragFromId)
{
nTabIndex = nDragFromId;
nTabCount = nDropToId-nDragFromId+1;
}
else
{
nTabIndex = nDropToId;
nTabCount = nDragFromId-nDropToId+1;
}
for(i=0; i<nTabCount; i++)
{
TabCtrl_GetItem(hTabCtrlWnd, nTabIndex, &tci);
wsprintf(szStringKey, _T("tabs_file[%d]"), nTabIndex);
WriteStringToPrivateIni(szStringKey, szTabLabel);
nTabIndex++;
}
return TRUE;
}
BOOL LoadFileOfTab(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
TCHAR szFileName[MAX_PATH];
HANDLE hFile;
OVERLAPPED overlapped;
EDITSTREAM es;
SendMessage(hAsmEditWnd, WM_SETTEXT, 0, (LPARAM)_T(""));
GetTabFileName(hTabCtrlWnd, -1, szFileName);
hFile = CreateFile(szFileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
ZeroMemory(&ftCurrentTabLastWriteTime, sizeof(FILETIME));
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Could not read content of file"));
return FALSE;
}
ZeroMemory(&overlapped, sizeof(OVERLAPPED));
if(!LockFileEx(hFile, 0, 0, 0xFFFFFFFF, 0xFFFFFFFF, &overlapped))
{
CloseHandle(hFile);
ZeroMemory(&ftCurrentTabLastWriteTime, sizeof(FILETIME));
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Could not lock file for reading"));
return FALSE;
}
ZeroMemory(&es, sizeof(EDITSTREAM));
es.dwCookie = (DWORD_PTR)hFile;
es.pfnCallback = StreamInProc;
SendMessage(hAsmEditWnd, EM_STREAMIN, SF_TEXT, (LPARAM)&es);
UnlockFileEx(hFile, 0, 0xFFFFFFFF, 0xFFFFFFFF, &overlapped);
CloseHandle(hFile);
GetFileLastWriteTime(szFileName, &ftCurrentTabLastWriteTime);
SendMessage(hAsmEditWnd, EM_SETMODIFY, FALSE, 0);
return TRUE;
}
BOOL SaveFileOfTab(HWND hTabCtrlWnd, HWND hAsmEditWnd)
{
TCHAR szFileName[MAX_PATH];
HANDLE hFile;
OVERLAPPED overlapped;
EDITSTREAM es;
if(!SendMessage(hAsmEditWnd, EM_GETMODIFY, 0, 0))
return TRUE;
if(!MakeSureDirectoryExists(szTabFilesPath))
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Could not create directory"));
return FALSE;
}
GetTabFileName(hTabCtrlWnd, -1, szFileName);
hFile = CreateFile(szFileName, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Could not save content to file"));
return FALSE;
}
ZeroMemory(&overlapped, sizeof(OVERLAPPED));
if(!LockFileEx(hFile, LOCKFILE_EXCLUSIVE_LOCK, 0, 0xFFFFFFFF, 0xFFFFFFFF, &overlapped))
{
CloseHandle(hFile);
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Could not lock file for writing"));
return FALSE;
}
ZeroMemory(&es, sizeof(EDITSTREAM));
es.dwCookie = (DWORD_PTR)hFile;
es.pfnCallback = StreamOutProc;
SendMessage(hAsmEditWnd, EM_STREAMOUT, SF_TEXT, (LPARAM)&es);
UnlockFileEx(hFile, 0, 0xFFFFFFFF, 0xFFFFFFFF, &overlapped);
CloseHandle(hFile);
GetFileLastWriteTime(szFileName, &ftCurrentTabLastWriteTime);
SendMessage(hAsmEditWnd, EM_SETMODIFY, FALSE, 0);
return TRUE;
}
BOOL LoadFileFromLibrary(HWND hTabCtrlWnd, HWND hAsmEditWnd, HWND hWnd, HINSTANCE hInst)
{
TCHAR *pOfnBuffer;
OPENFILENAME ofn;
TCHAR szFilePath[MAX_PATH];
TCHAR *pFileNameSrc, *pFileNameDst, *pFileNameExt;
HANDLE hFile;
EDITSTREAM es;
BOOL bAtLeastOneSucceeded;
BOOL bMultipleFiles, bAtLeastOneFailed;
pOfnBuffer = (TCHAR *)HeapAlloc(GetProcessHeap(), 0, 1024*10*sizeof(TCHAR));
if(!pOfnBuffer)
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONHAND, (LPARAM)_T("Memory allocation failed"));
return FALSE;
}
ZeroMemory(&ofn, sizeof(OPENFILENAME));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hWnd;
ofn.hInstance = hInst;
ofn.lpstrFilter =
_T("Assembler files (*.asm)\0*.asm\0")
_T("All files (*.*)\0*.*\0");
ofn.lpstrFile = pOfnBuffer;
ofn.nMaxFile = 1024*10;
ofn.lpstrTitle = _T("Load code from file");
ofn.Flags = OFN_FILEMUSTEXIST|OFN_HIDEREADONLY|OFN_ALLOWMULTISELECT|OFN_EXPLORER;
ofn.lpstrDefExt = _T("asm");
if(MakeSureDirectoryExists(szLibraryFilePath))
ofn.lpstrInitialDir = szLibraryFilePath;
*pOfnBuffer = _T('\0');
bAtLeastOneSucceeded = FALSE;
if(GetOpenFileName(&ofn))
{
pFileNameSrc = pOfnBuffer + ofn.nFileOffset;
bMultipleFiles = (pFileNameSrc[-1] == _T('\0'));
pFileNameSrc[-1] = _T('\0');
lstrcpy(szFilePath, pOfnBuffer);
pFileNameDst = szFilePath + ofn.nFileOffset;
pFileNameDst[-1] = _T('\\');
bAtLeastOneFailed = FALSE;
if(bMultipleFiles)
SendMessage(hWnd, WM_SETREDRAW, FALSE, 0);
do
{
lstrcpy(pFileNameDst, pFileNameSrc);
pFileNameSrc += lstrlen(pFileNameSrc)+1;
hFile = CreateFile(szFilePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile != INVALID_HANDLE_VALUE)
{
bAtLeastOneSucceeded = TRUE;
pFileNameExt = pFileNameDst + lstrlen(pFileNameDst);
for(pFileNameExt--; pFileNameExt > pFileNameDst; pFileNameExt--)
{
if(*pFileNameExt == _T('.'))
{
*pFileNameExt = _T('\0');
break;
}
}
OnTabChanging(hTabCtrlWnd, hAsmEditWnd);
NewTab(hTabCtrlWnd, hAsmEditWnd, pFileNameDst);
ZeroMemory(&es, sizeof(EDITSTREAM));
es.dwCookie = (DWORD_PTR)hFile;
es.pfnCallback = StreamInProc;
SendMessage(hAsmEditWnd, EM_STREAMIN, SF_TEXT, (LPARAM)&es);
CloseHandle(hFile);
}
else
bAtLeastOneFailed = TRUE;
}
while(*pFileNameSrc != _T('\0'));
if(bMultipleFiles)
{
SendMessage(hWnd, WM_SETREDRAW, TRUE, 0);
RedrawWindow(hWnd, NULL, NULL, RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
}
if(bAtLeastOneFailed)
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION,
(LPARAM)(bMultipleFiles?_T("Could not read content of at least one of the files"):_T("Could not read content of file")));
}
}
else if(CommDlgExtendedError() == FNERR_BUFFERTOOSMALL)
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONHAND,
(LPARAM)_T("Our buffer is too small for your gigantic assembly collection :("));
}
HeapFree(GetProcessHeap(), 0, pOfnBuffer);
return bAtLeastOneSucceeded;
}
BOOL SaveFileToLibrary(HWND hTabCtrlWnd, HWND hAsmEditWnd, HWND hWnd, HINSTANCE hInst)
{
TCITEM_CUSTOM tci;
TCHAR szFileName[MAX_PATH];
OPENFILENAME ofn;
HANDLE hFile;
EDITSTREAM es;
tci.header.mask = TCIF_TEXT;
tci.header.pszText = szFileName;
tci.header.cchTextMax = MAX_PATH;
TabCtrl_GetItem(hTabCtrlWnd, TabCtrl_GetCurSel(hTabCtrlWnd), &tci);
ZeroMemory(&ofn, sizeof(OPENFILENAME));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = hWnd;
ofn.hInstance = hInst;
ofn.lpstrFilter =
_T("Assembler files (*.asm)\0*.asm\0")
_T("All files (*.*)\0*.*\0");
ofn.lpstrFile = szFileName;
ofn.nMaxFile = MAX_PATH;
ofn.lpstrTitle = _T("Save code to file");
ofn.Flags = OFN_OVERWRITEPROMPT|OFN_HIDEREADONLY;
ofn.lpstrDefExt = _T("asm");
if(MakeSureDirectoryExists(szLibraryFilePath))
ofn.lpstrInitialDir = szLibraryFilePath;
if(!GetSaveFileName(&ofn))
return FALSE;
hFile = CreateFile(szFileName, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
PostMessage(hPostErrorWnd, uPostErrorMsg, MB_ICONEXCLAMATION, (LPARAM)_T("Could not save content to file"));
return FALSE;
}
ZeroMemory(&es, sizeof(EDITSTREAM));
es.dwCookie = (DWORD_PTR)hFile;
es.pfnCallback = StreamOutProc;
SendMessage(hAsmEditWnd, EM_STREAMOUT, SF_TEXT, (LPARAM)&es);
CloseHandle(hFile);
return TRUE;
}
// General tab functions
static void MakeTabLabelValid(TCHAR *pLabel)
{
TCHAR *pForbidden = _T("\\/:*?\"<>|");
int i, j;
for(i=0; pLabel[i] != _T('\0'); i++)
{
for(j=0; pForbidden[j] != _T('\0'); j++)
{
if(pLabel[i] == pForbidden[j])
{
pLabel[i] = _T('_');
break;
}
}
}
}
static void GetTabFileName(HWND hTabCtrlWnd, int nTabIndex, TCHAR *pFileName)
{
int nFilePathLen;
TCITEM_CUSTOM tci;
if(nTabIndex == -1)
nTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
lstrcpy(pFileName, szTabFilesPath);
nFilePathLen = lstrlen(pFileName);
tci.header.mask = TCIF_TEXT;
tci.header.pszText = pFileName+nFilePathLen;
tci.header.cchTextMax = MAX_PATH-nFilePathLen-(sizeof(".asm")-1);
TabCtrl_GetItem(hTabCtrlWnd, nTabIndex, &tci);
lstrcat(pFileName+nFilePathLen, _T(".asm"));
}
static int FindTabByLabel(HWND hTabCtrlWnd, TCHAR *pLabel)
{
int tabs_count;
int nTabIndex;
TCHAR szTabLabel[MAX_PATH];
TCITEM_CUSTOM tci;
tabs_count = TabCtrl_GetItemCount(hTabCtrlWnd);
tci.header.mask = TCIF_TEXT;
tci.header.pszText = szTabLabel;
tci.header.cchTextMax = MAX_PATH;
for(nTabIndex = 0; nTabIndex < tabs_count; nTabIndex++)
{
TabCtrl_GetItem(hTabCtrlWnd, nTabIndex, &tci);
if(lstrcmp(szTabLabel, pLabel) == 0)
return nTabIndex;
}
return -1;
}
static void MoveTab(HWND hTabCtrlWnd, int nFromIndex, int nToIndex)
{
TCITEM_CUSTOM tci;
TCHAR szTabLabel[MAX_PATH];
int nCurrentTabIndex;
nCurrentTabIndex = TabCtrl_GetCurSel(hTabCtrlWnd);
tci.header.mask = TCIF_TEXT|TCIF_PARAM;
tci.header.pszText = szTabLabel;
tci.header.cchTextMax = MAX_PATH;
TabCtrl_GetItem(hTabCtrlWnd, nFromIndex, &tci);
TabCtrl_DeleteItem(hTabCtrlWnd, nFromIndex);
TabCtrl_InsertItem(hTabCtrlWnd, nToIndex, &tci);
}
static DWORD CALLBACK StreamInProc(DWORD_PTR dwCookie, LPBYTE lpbBuff, LONG cb, LONG *pcb)
{
if(!ReadFile((HANDLE)dwCookie, lpbBuff, cb, (DWORD *)pcb, NULL))
return -1;
return 0;
}
static DWORD CALLBACK StreamOutProc(DWORD_PTR dwCookie, LPBYTE lpbBuff, LONG cb, LONG *pcb)