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Implemented ListView_SetHoverTime(), ListView_GetHoverTime(), initial 

support for the LVS_EX_TRACKSELECT flag.  Added code to delete items
in LISTVIEW_SetItemCount().
This commit is contained in:
Chris Morgan 2000-05-07 18:24:10 +00:00 committed by Alexandre Julliard
parent 44675508a5
commit 53b152f73c
2 changed files with 142 additions and 21 deletions
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161
dlls/comctl32/listview.c
View File

@ -28,7 +28,6 @@
* Advanced functionality:
* LISTVIEW_GetNumberOfWorkAreas : not implemented
* LISTVIEW_GetHotCursor : not implemented
* LISTVIEW_GetHoverTime : not implemented
* LISTVIEW_GetISearchString : not implemented
* LISTVIEW_GetBkImage : not implemented
* LISTVIEW_GetColumnOrderArray : simple hack only
@ -1058,7 +1057,81 @@ static BOOL LISTVIEW_KeySelection(HWND hwnd, INT nItem)
return bResult;
}
/***
* DESCRIPTION:
* Called when the mouse is being actively tracked and has hovered for a specified
* amount of time
*
* PARAMETER(S):
* [I] HWND : window handle
* [I] wParam : key indicator
* [I] lParam : mouse position
*
* RETURN:
* 0 if the message was processed, non-zero if there was an error
*
* INFO:
* LVS_EX_TRACKSELECT: An item is automatically selected when the cursor remains
* over the item for a certain period of time.
*
*/
static LRESULT LISTVIEW_MouseHover(hwnd, wParam, lParam)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
POINT pt;
pt.x = (INT)LOWORD(lParam);
pt.y = (INT)HIWORD(lParam);
if(infoPtr->dwExStyle & LVS_EX_TRACKSELECT) {
/* select the item under the cursor */
LISTVIEW_MouseSelection(hwnd, pt);
}
return 0;
}
/***
* DESCRIPTION:
* Called whenever WM_MOUSEMOVE is recieved.
*
* PARAMETER(S):
* [I] HWND : window handle
* [I] wParam : key indicators
* [I] lParam : cursor position
*
* RETURN:
* 0 if the message is processed, non-zero if there was an error
*/
static LRESULT LISTVIEW_MouseMove(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
TRACKMOUSEEVENT trackinfo;
POINT pt;
/* see if we are supposed to be tracking mouse hovering */
if(infoPtr->dwExStyle & LVS_EX_TRACKSELECT) {
/* fill in the trackinfo struct */
trackinfo.cbSize = sizeof(TRACKMOUSEEVENT);
trackinfo.dwFlags = TME_QUERY;
trackinfo.hwndTrack = hwnd;
trackinfo.dwHoverTime = infoPtr->dwHoverTime;
/* see if we are already tracking this hwnd */
_TrackMouseEvent(&trackinfo);
if(!(trackinfo.dwFlags & TME_HOVER)) {
trackinfo.dwFlags = TME_HOVER;
/* call TRACKMOUSEEVENT so we recieve WM_MOUSEHOVER messages */
_TrackMouseEvent(&trackinfo);
}
}
return 0;
}
/***
* DESCRIPTION:
* Selects an item based on coordinates.
@ -3503,8 +3576,25 @@ static LRESULT LISTVIEW_GetHeader(HWND hwnd)
}
/* LISTVIEW_GetHotCursor */
/* LISTVIEW_GetHotItem */
/* LISTVIEW_GetHoverTime */
/***
* DESCRIPTION:
* Returns the time that the mouse cursor must hover over an item
* before it is selected.
*
* PARAMETER(S):
* [I] HWND : window handle
*
* RETURN:
* Returns the previously set hover time or (DWORD)-1 to indicate that the
* hover time is set to the default hover time.
*/
static LRESULT LISTVIEW_GetHoverTime(HWND hwnd)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
return infoPtr->dwHoverTime;
}
/***
* DESCRIPTION:
@ -5346,6 +5436,27 @@ static LRESULT LISTVIEW_SetHotItem(HWND hwnd, INT iIndex)
return (iOldIndex);
}
/***
* DESCRIPTION:
* Sets the amount of time the cursor must hover over an item before it is selected.
*
* PARAMETER(S):
* [I] HWND : window handle
* [I] DWORD : dwHoverTime, if -1 the hover time is set to the default
*
* RETURN:
* Returns the previous hover time
*/
static LRESULT LISTVIEW_SetHoverTime(HWND hwnd, DWORD dwHoverTime)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO *)GetWindowLongA(hwnd, 0);
DWORD oldHoverTime = infoPtr->dwHoverTime;
infoPtr->dwHoverTime = dwHoverTime;
return oldHoverTime;
}
/* LISTVIEW_SetIconSpacing */
/***
@ -5443,8 +5554,9 @@ static LRESULT LISTVIEW_SetItemA(HWND hwnd, LPLVITEMA lpLVItem)
static BOOL LISTVIEW_SetItemCount(HWND hwnd, INT nItems, DWORD dwFlags)
{
LISTVIEW_INFO *infoPtr = (LISTVIEW_INFO*)GetWindowLongA(hwnd, 0);
LISTVIEW_ITEM *lpItem = NULL;
FIXME("(%d %08lx)empty stub!\n", nItems, dwFlags);
FIXME("(%d %08lx)stub!\n", nItems, dwFlags);
if (nItems == 0)
return LISTVIEW_DeleteAllItems (hwnd);
@ -5455,18 +5567,19 @@ static BOOL LISTVIEW_SetItemCount(HWND hwnd, INT nItems, DWORD dwFlags)
}
else
{
if (nItems > GETITEMCOUNT(infoPtr))
{
/* append items */
FIXME("append items\n");
if (nItems > GETITEMCOUNT(infoPtr))
{
/* append items */
FIXME("append items\n");
}
else if (nItems < GETITEMCOUNT(infoPtr))
{
/* remove items */
FIXME("remove items\n");
}
}
else if (nItems < GETITEMCOUNT(infoPtr))
{
/* remove items */
while(nItems < GETITEMCOUNT(infoPtr)) {
LISTVIEW_DeleteItem(hwnd, GETITEMCOUNT(infoPtr) - 1);
}
}
}
return TRUE;
@ -5896,6 +6009,9 @@ static LRESULT LISTVIEW_Create(HWND hwnd, WPARAM wParam, LPARAM lParam)
infoPtr->nItemWidth = LISTVIEW_GetItemWidth(hwnd);
infoPtr->nItemHeight = LISTVIEW_GetItemHeight(hwnd);
/* initialize the hover time to -1(indicating the default system hover time) */
infoPtr->dwHoverTime = -1;
return 0;
}
@ -7249,7 +7365,8 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
case LVM_GETHOTITEM:
return LISTVIEW_GetHotItem(hwnd);
/* case LVM_GETHOVERTIME: */
case LVM_GETHOVERTIME:
return LISTVIEW_GetHoverTime(hwnd);
case LVM_GETIMAGELIST:
return LISTVIEW_GetImageList(hwnd, (INT)wParam);
@ -7370,7 +7487,9 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
case LVM_SETHOTITEM:
return LISTVIEW_SetHotItem(hwnd, (INT)wParam);
/* case LVM_SETHOVERTIME: */
case LVM_SETHOVERTIME:
return LISTVIEW_SetHoverTime(hwnd, (DWORD)wParam);
/* case LVM_SETICONSPACING: */
case LVM_SETIMAGELIST:
@ -7455,9 +7574,11 @@ static LRESULT WINAPI LISTVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam,
case WM_LBUTTONUP:
return LISTVIEW_LButtonUp(hwnd, (WORD)wParam, LOWORD(lParam),
HIWORD(lParam));
/* case WM_MOUSEMOVE: */
/* return LISTVIEW_MouseMove (hwnd, wParam, lParam); */
case WM_MOUSEMOVE:
return LISTVIEW_MouseMove (hwnd, wParam, lParam);
case WM_MOUSEHOVER:
return LISTVIEW_MouseHover(hwnd, wParam, lParam);
case WM_NCCREATE:
return LISTVIEW_NCCreate(hwnd, wParam, lParam);

2
include/listview.h
View File

@ -73,7 +73,7 @@ typedef struct tagLISTVIEW_INFO
HWND hwndEdit;
BOOL bDoEditLabel;
EDITLABEL_ITEM *pedititem;
DWORD dwHoverTime;
} LISTVIEW_INFO;