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wordpad: Fix behaviour of find/replace dialog. 

Pressing replace should only replace a selected match, and afterwards it
should find the next match. Searches should always start from the start of
the selection, even if the selection is moved in between searches. Searches
wrap at the end of text, and should keep track of whether it has wrapped
from previous searches to determine if it reached the end position.
This commit is contained in:
Dylan Smith 2010-07-19 18:17:57 -04:00 committed by Alexandre Julliard
parent 117a436bbf
commit 72f735b25e
1 changed files with 58 additions and 61 deletions
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119
programs/wordpad/wordpad.c
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@ -89,6 +89,12 @@ typedef enum
UNIT_PT
} UNIT;
typedef struct
{
int endPos;
BOOL wrapped;
} FINDREPLACE_custom;
/* Load string resources */
static void DoLoadStrings(void)
{
@ -1215,13 +1221,11 @@ static LRESULT handle_findmsg(LPFINDREPLACEW pFr)
if(pFr->Flags & FR_FINDNEXT || pFr->Flags & FR_REPLACE || pFr->Flags & FR_REPLACEALL)
{
DWORD flags = FR_DOWN;
FINDTEXTW ft;
static CHARRANGE cr;
LRESULT end, ret;
GETTEXTLENGTHEX gt;
LRESULT length;
int startPos;
FINDREPLACE_custom *custom_data = (FINDREPLACE_custom*)pFr->lCustData;
DWORD flags;
FINDTEXTEXW ft;
CHARRANGE sel;
LRESULT ret = -1;
HMENU hMenu = GetMenu(hMainWnd);
MENUITEMINFOW mi;
@ -1230,69 +1234,59 @@ static LRESULT handle_findmsg(LPFINDREPLACEW pFr)
mi.dwItemData = 1;
SetMenuItemInfoW(hMenu, ID_FIND_NEXT, FALSE, &mi);
gt.flags = GTL_NUMCHARS;
gt.codepage = 1200;
length = SendMessageW(hEditorWnd, EM_GETTEXTLENGTHEX, (WPARAM)&gt, 0);
if(pFr->lCustData == -1)
{
SendMessageW(hEditorWnd, EM_GETSEL, (WPARAM)&startPos, (LPARAM)&end);
cr.cpMin = startPos;
pFr->lCustData = startPos;
cr.cpMax = length;
if(cr.cpMin == length)
cr.cpMin = 0;
} else
{
startPos = pFr->lCustData;
SendMessageW(hEditorWnd, EM_GETSEL, (WPARAM)&sel.cpMin, (LPARAM)&sel.cpMax);
if(custom_data->endPos == -1) {
custom_data->endPos = sel.cpMin;
custom_data->wrapped = FALSE;
}
if(cr.cpMax > length)
{
startPos = 0;
cr.cpMin = 0;
cr.cpMax = length;
}
ft.chrg = cr;
flags = FR_DOWN | (pFr->Flags & (FR_MATCHCASE | FR_WHOLEWORD));
ft.lpstrText = pFr->lpstrFindWhat;
if(pFr->Flags & FR_MATCHCASE)
flags |= FR_MATCHCASE;
if(pFr->Flags & FR_WHOLEWORD)
flags |= FR_WHOLEWORD;
ret = SendMessageW(hEditorWnd, EM_FINDTEXTW, flags, (LPARAM)&ft);
if(ret == -1)
/* Only replace existing selectino if it is an exact match. */
if (sel.cpMin != sel.cpMax &&
(pFr->Flags & FR_REPLACE || pFr->Flags & FR_REPLACEALL))
{
if(cr.cpMax == length && cr.cpMax != startPos)
{
ft.chrg.cpMin = cr.cpMin = 0;
ft.chrg.cpMax = cr.cpMax = startPos;
ret = SendMessageW(hEditorWnd, EM_FINDTEXTW, flags, (LPARAM)&ft);
ft.chrg = sel;
SendMessageW(hEditorWnd, EM_FINDTEXTEXW, flags, (LPARAM)&ft);
if (ft.chrgText.cpMin == sel.cpMin && ft.chrgText.cpMax == sel.cpMax) {
SendMessageW(hEditorWnd, EM_REPLACESEL, TRUE, (LPARAM)pFr->lpstrReplaceWith);
SendMessageW(hEditorWnd, EM_GETSEL, (WPARAM)&sel.cpMin, (LPARAM)&sel.cpMax);
}
}
if(ret == -1)
{
pFr->lCustData = -1;
MessageBoxWithResStringW(hMainWnd, MAKEINTRESOURCEW(STRING_SEARCH_FINISHED), wszAppTitle,
MB_OK | MB_ICONASTERISK);
} else
{
end = ret + lstrlenW(pFr->lpstrFindWhat);
cr.cpMin = end;
SendMessageW(hEditorWnd, EM_SETSEL, ret, end);
/* Search from the start of the selection, but exclude the first character
* from search if there is a selection. */
ft.chrg.cpMin = sel.cpMin;
if (sel.cpMin != sel.cpMax)
ft.chrg.cpMin++;
/* Search to the end, then wrap around and search from the start. */
if (!custom_data->wrapped) {
ft.chrg.cpMax = -1;
ret = SendMessageW(hEditorWnd, EM_FINDTEXTEXW, flags, (LPARAM)&ft);
if (ret == -1) {
custom_data->wrapped = TRUE;
ft.chrg.cpMin = 0;
}
}
if (ret == -1) {
ft.chrg.cpMax = custom_data->endPos + lstrlenW(pFr->lpstrFindWhat) - 1;
if (ft.chrg.cpMax > ft.chrg.cpMin)
ret = SendMessageW(hEditorWnd, EM_FINDTEXTEXW, flags, (LPARAM)&ft);
}
if (ret == -1) {
custom_data->endPos = -1;
MessageBoxWithResStringW(hMainWnd, MAKEINTRESOURCEW(STRING_SEARCH_FINISHED),
wszAppTitle, MB_OK | MB_ICONASTERISK);
} else {
SendMessageW(hEditorWnd, EM_SETSEL, ft.chrgText.cpMin, ft.chrgText.cpMax);
SendMessageW(hEditorWnd, EM_SCROLLCARET, 0, 0);
if(pFr->Flags & FR_REPLACE || pFr->Flags & FR_REPLACEALL)
SendMessageW(hEditorWnd, EM_REPLACESEL, TRUE, (LPARAM)pFr->lpstrReplaceWith);
if(pFr->Flags & FR_REPLACEALL)
handle_findmsg(pFr);
if (pFr->Flags & FR_REPLACEALL)
return handle_findmsg(pFr);
}
}
@ -1303,6 +1297,7 @@ static void dialog_find(LPFINDREPLACEW fr, BOOL replace)
{
static WCHAR findBuffer[MAX_STRING_LEN];
static WCHAR replaceBuffer[MAX_STRING_LEN];
static FINDREPLACE_custom custom_data;
/* Allow only one search/replace dialog to open */
if(hFindWnd != NULL)
@ -1317,7 +1312,9 @@ static void dialog_find(LPFINDREPLACEW fr, BOOL replace)
fr->Flags = FR_HIDEUPDOWN;
fr->lpstrFindWhat = findBuffer;
fr->lpstrReplaceWith = replaceBuffer;
fr->lCustData = -1;
custom_data.endPos = -1;
custom_data.wrapped = FALSE;
fr->lCustData = (LPARAM)&custom_data;
fr->wFindWhatLen = sizeof(findBuffer);
fr->wReplaceWithLen = sizeof(replaceBuffer);