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Protect read-only edit control from modification.

This commit is contained in:
Dmitry Timoshkov 2001-01-22 19:28:27 +00:00 committed by Alexandre Julliard
parent 2b77ea0441
commit 9c446a13cd
1 changed files with 29 additions and 7 deletions
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36
controls/edit.c
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@ -308,6 +308,10 @@ static inline void EDIT_WM_Clear(WND *wnd, EDITSTATE *es)
{ {
static const WCHAR empty_stringW[] = {0}; static const WCHAR empty_stringW[] = {0};
/* Protect read-only edit control from modification */
if(es->style & ES_READONLY)
return;
EDIT_EM_ReplaceSel(wnd, es, TRUE, empty_stringW, TRUE); EDIT_EM_ReplaceSel(wnd, es, TRUE, empty_stringW, TRUE);
if (es->flags & EF_UPDATE) { if (es->flags & EF_UPDATE) {
@ -3400,8 +3404,15 @@ static void EDIT_EM_SetWordBreakProc16(WND *wnd, EDITSTATE *es, EDITWORDBREAKPRO
*/ */
static BOOL EDIT_EM_Undo(WND *wnd, EDITSTATE *es) static BOOL EDIT_EM_Undo(WND *wnd, EDITSTATE *es)
{ {
INT ulength = strlenW(es->undo_text); INT ulength;
LPWSTR utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR)); LPWSTR utext;
/* Protect read-only edit control from modification */
if(es->style & ES_READONLY)
return FALSE;
ulength = strlenW(es->undo_text);
utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
strcpyW(utext, es->undo_text); strcpyW(utext, es->undo_text);
@ -3434,7 +3445,14 @@ static BOOL EDIT_EM_Undo(WND *wnd, EDITSTATE *es)
*/ */
static void EDIT_WM_Char(WND *wnd, EDITSTATE *es, WCHAR c) static void EDIT_WM_Char(WND *wnd, EDITSTATE *es, WCHAR c)
{ {
BOOL control = GetKeyState(VK_CONTROL) & 0x8000; BOOL control;
/* Protect read-only edit control from modification */
if(es->style & ES_READONLY)
return;
control = GetKeyState(VK_CONTROL) & 0x8000;
switch (c) { switch (c) {
case '\r': case '\r':
/* If the edit doesn't want the return and it's not a multiline edit, do nothing */ /* If the edit doesn't want the return and it's not a multiline edit, do nothing */
@ -3567,15 +3585,15 @@ static void EDIT_WM_ContextMenu(WND *wnd, EDITSTATE *es, INT x, INT y)
ORDER_UINT(start, end); ORDER_UINT(start, end);
/* undo */ /* undo */
EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) ? MF_ENABLED : MF_GRAYED)); EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
/* cut */ /* cut */
EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED)); EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
/* copy */ /* copy */
EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED)); EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
/* paste */ /* paste */
EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) ? MF_ENABLED : MF_GRAYED)); EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
/* delete */ /* delete */
EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) ? MF_ENABLED : MF_GRAYED)); EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
/* select all */ /* select all */
EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED)); EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != strlenW(es->text)) ? MF_ENABLED : MF_GRAYED));
@ -4349,6 +4367,10 @@ static void EDIT_WM_Paste(WND *wnd, EDITSTATE *es)
HGLOBAL hsrc; HGLOBAL hsrc;
LPWSTR src; LPWSTR src;
/* Protect read-only edit control from modification */
if(es->style & ES_READONLY)
return;
OpenClipboard(wnd->hwndSelf); OpenClipboard(wnd->hwndSelf);
if ((hsrc = GetClipboardData(CF_UNICODETEXT))) { if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
src = (LPWSTR)GlobalLock(hsrc); src = (LPWSTR)GlobalLock(hsrc);