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Implementation of edit labels.

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This commit is contained in:
Ulrich Czekalla 1999-10-23 18:53:25 +00:00 committed by Alexandre Julliard
parent 1d4bccc691
commit c2983025d5
2 changed files with 315 additions and 5 deletions
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318
dlls/comctl32/listview.c
View file

@ -31,7 +31,6 @@
* LISTVIEW_GetHoverTime : not implemented
* LISTVIEW_GetISearchString : not implemented
* LISTVIEW_GetBkImage : not implemented
* LISTVIEW_EditLabel : REPORT (need to implement a timer)
* LISTVIEW_GetColumnOrderArray : not implemented
* LISTVIEW_SetColumnOrderArray : not implemented
* LISTVIEW_Arrange : empty stub
@ -90,6 +89,20 @@ DEFAULT_DEBUG_CHANNEL(listview)
/* retrieve the number of items in the listview */
#define GETITEMCOUNT(infoPtr) ((infoPtr)->hdpaItems->nItemCount)
/* Some definitions for inline edit control */
typedef BOOL (*EditlblCallback)(HWND, LPSTR, DWORD);
HWND CreateEditLabel(LPCSTR text, DWORD style, INT x, INT y,
INT width, INT height, HWND parent, HINSTANCE hinst,
EditlblCallback EditLblCb, DWORD param);
typedef struct tagEDITLABEL_ITEM
{
WNDPROC EditWndProc;
DWORD param;
EditlblCallback EditLblCb;
} EDITLABEL_ITEM;
/*
* forward declarations
*/
@ -127,6 +140,9 @@ static BOOL LISTVIEW_SetSubItem(HWND, LPLVITEMA);
static LRESULT LISTVIEW_SetViewRect(HWND, LPRECT);
static BOOL LISTVIEW_ToggleSelection(HWND, INT);
static VOID LISTVIEW_UnsupportedStyles(LONG lStyle);
static HWND LISTVIEW_EditLabelA(HWND hwnd, INT nItem);
static BOOL LISTVIEW_EndEditLabel(HWND hwnd, LPSTR pszText, DWORD nItem);
static LRESULT LISTVIEW_Command(HWND hwnd, WPARAM wParam, LPARAM lParam);
/***
* DESCRIPTION:
@ -1773,6 +1789,10 @@ static VOID LISTVIEW_DrawItem(HWND hwnd, HDC hdc, INT nItem, RECT rcItem)
rcItem.left += infoPtr->iconSize.cx;
}
/* Don't bother painting item being edited */
if (infoPtr->lpeditItem && lvItem.state & LVIS_FOCUSED)
return;
if ((lvItem.state & LVIS_SELECTED) && (infoPtr->bFocus != FALSE))
{
/* set item colors */
@ -2592,7 +2612,141 @@ static LRESULT LISTVIEW_DeleteItem(HWND hwnd, INT nItem)
return bResult;
}
/* LISTVIEW_EditLabel */
/***
* DESCRIPTION:
* Return edit control handle of current edit label
*
* PARAMETER(S):
* [I] HWND : window handle
*
* RETURN:
* SUCCESS : HWND
* FAILURE : 0
*/
static LRESULT LISTVIEW_GetEditControl(hwnd)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
return infoPtr->hwndEdit;
}
/***
* DESCRIPTION:
* Callback implementation for editlabel control
*
* PARAMETER(S):
* [I] HWND : window handle
* [I] LPSTR : modified text
* [I] DWORD : item index
*
* RETURN:
* SUCCESS : TRUE
* FAILURE : FALSE
*/
static BOOL LISTVIEW_EndEditLabel(HWND hwnd, LPSTR pszText, DWORD nItem)
{
NMLVDISPINFOA dispInfo;
LISTVIEW_ITEM *lpItem;
INT nCtrlId = GetWindowLongA(hwnd, GWL_ID);
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
HDPA hdpaSubItems;
ZeroMemory(&dispInfo, sizeof(NMLVDISPINFOA));
if (NULL == (hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, nItem)))
return FALSE;
if (NULL == (lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0)))
return FALSE;
dispInfo.hdr.hwndFrom = hwnd;
dispInfo.hdr.idFrom = nCtrlId;
dispInfo.hdr.code = LVN_ENDLABELEDITA;
dispInfo.item.mask = 0;
dispInfo.item.iItem = nItem;
dispInfo.item.state = lpItem->state;
dispInfo.item.stateMask = 0;
dispInfo.item.pszText = pszText;
dispInfo.item.cchTextMax = pszText ? strlen(pszText) : 0;
dispInfo.item.iImage = lpItem->iImage;
dispInfo.item.lParam = lpItem->lParam;
ListView_Notify(GetParent(hwnd), nCtrlId, &dispInfo);
infoPtr->hwndEdit = 0;
infoPtr->lpeditItem = NULL;
return TRUE;
}
/***
* DESCRIPTION:
* Begin in place editing of specified list view item
*
* PARAMETER(S):
* [I] HWND : window handle
* [I] INT : item index
*
* RETURN:
* SUCCESS : TRUE
* FAILURE : FALSE
*/
static HWND LISTVIEW_EditLabelA(HWND hwnd, INT nItem)
{
NMLVDISPINFOA dispInfo;
RECT rect;
LISTVIEW_ITEM *lpItem;
HWND hedit;
HINSTANCE hinst = GetWindowLongA(hwnd, GWL_HINSTANCE);
INT nCtrlId = GetWindowLongA(hwnd, GWL_ID);
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
HDPA hdpaSubItems;
if (~GetWindowLongA(hwnd, GWL_STYLE) & LVS_EDITLABELS)
return FALSE;
ZeroMemory(&dispInfo, sizeof(NMLVDISPINFOA));
if (NULL == (hdpaSubItems = (HDPA)DPA_GetPtr(infoPtr->hdpaItems, nItem)))
return 0;
if (NULL == (lpItem = (LISTVIEW_ITEM *)DPA_GetPtr(hdpaSubItems, 0)))
return 0;
dispInfo.hdr.hwndFrom = hwnd;
dispInfo.hdr.idFrom = nCtrlId;
dispInfo.hdr.code = LVN_BEGINLABELEDITA;
dispInfo.item.mask = 0;
dispInfo.item.iItem = nItem;
dispInfo.item.state = lpItem->state;
dispInfo.item.stateMask = 0;
dispInfo.item.pszText = lpItem->pszText;
dispInfo.item.cchTextMax = strlen(lpItem->pszText);
dispInfo.item.iImage = lpItem->iImage;
dispInfo.item.lParam = lpItem->lParam;
if (ListView_LVNotify(GetParent(hwnd), nCtrlId, &dispInfo))
return 0;
rect.left = LVIR_LABEL;
if (!LISTVIEW_GetItemRect(hwnd, nItem, &rect))
return 0;
if (!(hedit = CreateEditLabel(dispInfo.item.pszText , WS_VISIBLE,
rect.left, rect.top, rect.right - rect.left + 15,
rect.bottom - rect.top,
hwnd, hinst, LISTVIEW_EndEditLabel, nItem)))
return 0;
infoPtr->hwndEdit = hedit;
infoPtr->lpeditItem = lpItem;
SetFocus(hedit);
SendMessageA(hedit, EM_SETSEL, 0, -1);
return hedit;
}
/***
* DESCRIPTION:
@ -5494,6 +5648,8 @@ static LRESULT LISTVIEW_Create(HWND hwnd, WPARAM wParam, LPARAM lParam)
infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING);
infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING);
ZeroMemory(&infoPtr->rcList, sizeof(RECT));
infoPtr->hwndEdit = 0;
infoPtr->lpeditItem = NULL;
/* get default font (icon title) */
SystemParametersInfoA(SPI_GETICONTITLELOGFONT, 0, &logFont, 0);
@ -6731,7 +6887,9 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
case LVM_DELETEITEM:
return LISTVIEW_DeleteItem(hwnd, (INT)wParam);
/* case LVM_EDITLABEL: */
case LVM_EDITLABELW:
case LVM_EDITLABELA:
return LISTVIEW_EditLabelA(hwnd, (INT)wParam);
case LVM_ENSUREVISIBLE:
return LISTVIEW_EnsureVisible(hwnd, (INT)wParam, (BOOL)lParam);
@ -6762,7 +6920,8 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
case LVM_GETCOUNTPERPAGE:
return LISTVIEW_GetCountPerPage(hwnd);
/* case LVM_GETEDITCONTROL: */
case LVM_GETEDITCONTROL:
return LISTVIEW_GetEditControl(hwnd);
case LVM_GETEXTENDEDLISTVIEWSTYLE:
return LISTVIEW_GetExtendedListViewStyle(hwnd);
@ -6947,7 +7106,8 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
return LISTVIEW_Update(hwnd, (INT)wParam);
/* case WM_CHAR: */
/* case WM_COMMAND: */
case WM_COMMAND:
return LISTVIEW_Command(hwnd, wParam, lParam);
case WM_CREATE:
return LISTVIEW_Create(hwnd, wParam, lParam);
@ -7095,3 +7255,151 @@ VOID LISTVIEW_Unregister(void)
}
}
/***
* DESCRIPTION:
* Handle any WM_COMMAND messages
*
* PARAMETER(S):
*
* RETURN:
*/
static LRESULT LISTVIEW_Command(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
switch (HIWORD(wParam))
{
case EN_UPDATE:
{
/*
* Adjust the edit window size
*/
char buffer[1024];
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
HDC hdc = GetDC(infoPtr->hwndEdit);
RECT rect;
SIZE sz;
GetWindowTextA(infoPtr->hwndEdit, buffer, 1024);
GetWindowRect(infoPtr->hwndEdit, &rect);
if (GetTextExtentPoint32A(hdc, buffer, strlen(buffer), &sz))
{
SetWindowPos (
infoPtr->hwndEdit,
HWND_TOP,
0,
0,
sz.cx + 15,
rect.bottom - rect.top,
SWP_DRAWFRAME|SWP_NOMOVE);
}
ReleaseDC(hwnd, hdc);
break;
}
default:
return SendMessageA (GetParent (hwnd), WM_COMMAND, wParam, lParam);
}
return 0;
}
/***
* DESCRIPTION:
* Subclassed edit control windproc function
*
* PARAMETER(S):
*
* RETURN:
*/
LRESULT CALLBACK EditLblWndProc(HWND hwnd, UINT uMsg,
WPARAM wParam, LPARAM lParam)
{
BOOL cancel = TRUE;
EDITLABEL_ITEM *einfo =
(EDITLABEL_ITEM *) GetWindowLongA(hwnd, GWL_USERDATA);
switch (uMsg)
{
case WM_KILLFOCUS:
break;
case WM_CHAR:
if (VK_RETURN == (INT)wParam)
{
cancel = FALSE;
break;
}
else if (VK_ESCAPE == (INT)wParam)
break;
default:
return CallWindowProcA(einfo->EditWndProc, hwnd,
uMsg, wParam, lParam);
}
SetWindowLongA(hwnd, GWL_WNDPROC, (LONG)einfo->EditWndProc);
if (einfo->EditLblCb)
{
char *buffer = NULL;
if (!cancel)
{
int len = 1 + GetWindowTextLengthA(hwnd);
if (len > 1)
{
if (NULL != (buffer = (char *)COMCTL32_Alloc(len*sizeof(char))))
{
GetWindowTextA(hwnd, buffer, len);
}
}
}
einfo->EditLblCb(GetParent(hwnd), buffer, einfo->param);
if (buffer)
COMCTL32_Free(buffer);
}
COMCTL32_Free(einfo);
PostMessageA(hwnd, WM_CLOSE, 0, 0);
return TRUE;
}
/***
* DESCRIPTION:
* Creates a subclassed edit cotrol
*
* PARAMETER(S):
*
* RETURN:
*/
HWND CreateEditLabel(LPCSTR text, DWORD style, INT x, INT y,
INT width, INT height, HWND parent, HINSTANCE hinst,
EditlblCallback EditLblCb, DWORD param)
{
HWND hedit;
EDITLABEL_ITEM *einfo;
if (NULL == (einfo = COMCTL32_Alloc(sizeof(EDITLABEL_ITEM))))
return 0;
style |= WS_CHILDWINDOW|WS_CLIPSIBLINGS|ES_LEFT|WS_BORDER;
if (!(hedit = CreateWindowA("Edit", text, style, x, y, width, height,
parent, 0, hinst, 0)))
{
COMCTL32_Free(einfo);
return 0;
}
einfo->param = param;
einfo->EditLblCb = EditLblCb;
einfo->EditWndProc = (WNDPROC)SetWindowLongA(hedit,
GWL_WNDPROC, (LONG) EditLblWndProc);
SetWindowLongA(hedit, GWL_USERDATA, (LONG)einfo);
return hedit;
}

2
include/listview.h
View file

@ -60,6 +60,8 @@ typedef struct tagLISTVIEW_INFO
HDPA hdpaItems;
PFNLVCOMPARE pfnCompare;
LPARAM lParamSort;
HWND hwndEdit;
LISTVIEW_ITEM *lpeditItem;
} LISTVIEW_INFO;