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Attempt to prevent a selection change from currupting the log

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7297 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
anders_k 2021-08-18 23:48:20 +00:00
parent d4306769b9
commit 7fce1681df
9 changed files with 53 additions and 5 deletions
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37
Contrib/Makensisw/utils.cpp
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@ -206,6 +206,29 @@ void CopyToClipboard(HWND hwnd) {
CloseClipboard();
}
#include <shlobj.h>
#if defined(MSFTEDIT_CLASS)
#include <tom.h>
#define RE_HAS_TOM
#define IID_ITextDocument NSIS_IID_ITextDocument
static const GUID IID_ITextDocument = { 0x8cc497c0, 0xa1df, 0x11ce, { 0x80,0x98,0x0,0xaa,0x0,0x47,0xbe,0x5d } };
#endif
void ReleaseLogWindow() {
#ifdef RE_HAS_TOM
if (g_sdata.pLogTextDoc) ((IUnknown*)g_sdata.pLogTextDoc)->Release();
#endif
}
void InitializeLogWindow() {
#ifdef RE_HAS_TOM
IUnknown *pTD = 0, *pREO;
if (SendDlgItemMessage(g_sdata.hwnd, IDC_LOGWIN, EM_GETOLEINTERFACE, 0, (LPARAM)&pREO) && pREO) {
if (FAILED(pREO->QueryInterface(IID_ITextDocument, (void**) &pTD))) pTD = 0;
pREO->Release();
}
g_sdata.pLogTextDoc = pTD;
#endif
}
void SetLogColor(enum LOGCOLOR lc)
{
enum { em_seteditstyle = (WM_USER + 204), ses_extendbackcolor = 4 };
@ -228,10 +251,18 @@ void ClearLog(HWND hwnd) {
}
void LogMessage(HWND hwnd,const TCHAR *str) {
SendDlgItemMessage(hwnd, IDC_LOGWIN, EM_SETSEL, g_sdata.logLength, g_sdata.logLength);
HWND hLogWin = GetDlgItem(hwnd, IDC_LOGWIN);
#ifdef RE_HAS_TOM
ITextDocument*pTD = (ITextDocument*) g_sdata.pLogTextDoc;
if (pTD) pTD->Freeze(0);
#endif
SendMessage(hLogWin, EM_SETSEL, g_sdata.logLength, g_sdata.logLength);
SendMessage(hLogWin, EM_REPLACESEL, 0, (LPARAM)str);
SendMessage(hLogWin, EM_SCROLLCARET, 0, 0);
#ifdef RE_HAS_TOM
if (pTD) pTD->Unfreeze(0), InvalidateRect(hLogWin, NULL, false);
#endif
g_sdata.logLength += lstrlen(str);
SendDlgItemMessage(hwnd, IDC_LOGWIN, EM_REPLACESEL, 0, (LPARAM)str);
SendDlgItemMessage(hwnd, IDC_LOGWIN, EM_SCROLLCARET, 0, 0);
}
void ErrorMessage(HWND hwnd,const TCHAR *str) {