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comctl32/listview: Handle mouse selections more accurately.

This commit is contained in:
Nikolay Sivov 2009-05-18 20:50:43 +04:00 committed by Alexandre Julliard
parent 8f5a1ae8c9
commit d769368f66
1 changed files with 40 additions and 6 deletions
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46
dlls/comctl32/listview.c
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@ -293,6 +293,7 @@ typedef struct tagLISTVIEW_INFO
HWND hwndEdit;
WNDPROC EditWndProc;
INT nEditLabelItem;
INT nLButtonDownItem; /* tracks item to reset multiselection on WM_LBUTTONUP */
DWORD dwHoverTime;
HWND hwndToolTip;
@ -3388,6 +3389,7 @@ static LRESULT LISTVIEW_MouseMove(LISTVIEW_INFO *infoPtr, WORD fwKeys, INT x, IN
{
POINT tmp;
RECT rect;
LVHITTESTINFO lvHitTestInfo;
WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
@ -3399,11 +3401,33 @@ static LRESULT LISTVIEW_MouseMove(LISTVIEW_INFO *infoPtr, WORD fwKeys, INT x, IN
tmp.x = x;
tmp.y = y;
lvHitTestInfo.pt = tmp;
LISTVIEW_HitTest(infoPtr, &lvHitTestInfo, TRUE, TRUE);
/* reset item marker */
if (infoPtr->nLButtonDownItem != lvHitTestInfo.iItem)
infoPtr->nLButtonDownItem = -1;
if (!PtInRect(&rect, tmp))
{
LVHITTESTINFO lvHitTestInfo;
NMLISTVIEW nmlv;
/* this path covers the following:
1. WM_LBUTTONDOWN over selected item (sets focus on it)
2. change focus with keys
3. move mouse over item from step 1 selects it and moves focus on it */
if (infoPtr->nLButtonDownItem != -1 &&
!LISTVIEW_GetItemState(infoPtr, infoPtr->nLButtonDownItem, LVIS_SELECTED))
{
LVITEMW lvItem;
lvItem.state = LVIS_FOCUSED | LVIS_SELECTED;
lvItem.stateMask = LVIS_FOCUSED | LVIS_SELECTED;
LISTVIEW_SetItemState(infoPtr, infoPtr->nLButtonDownItem, &lvItem);
infoPtr->nLButtonDownItem = -1;
}
lvHitTestInfo.pt = infoPtr->ptClickPos;
LISTVIEW_HitTest(infoPtr, &lvHitTestInfo, TRUE, TRUE);
@ -3420,8 +3444,6 @@ static LRESULT LISTVIEW_MouseMove(LISTVIEW_INFO *infoPtr, WORD fwKeys, INT x, IN
return 0;
}
}
else
infoPtr->bLButtonDown = FALSE;
/* see if we are supposed to be tracking mouse hovering */
if (LISTVIEW_isHotTracking(infoPtr)) {
@ -8144,6 +8166,7 @@ static LRESULT LISTVIEW_NCCreate(HWND hwnd, const CREATESTRUCTW *lpcs)
infoPtr->iconSpacing.cx = GetSystemMetrics(SM_CXICONSPACING);
infoPtr->iconSpacing.cy = GetSystemMetrics(SM_CYICONSPACING);
infoPtr->nEditLabelItem = -1;
infoPtr->nLButtonDownItem = -1;
infoPtr->dwHoverTime = -1; /* default system hover time */
infoPtr->nMeasureItemHeight = 0;
infoPtr->xTrackLine = -1; /* no track line */
@ -8835,10 +8858,15 @@ static LRESULT LISTVIEW_LButtonDown(LISTVIEW_INFO *infoPtr, WORD wKey, INT x, IN
else
{
if (LISTVIEW_GetItemState(infoPtr, nItem, LVIS_SELECTED))
{
infoPtr->nEditLabelItem = nItem;
infoPtr->nLButtonDownItem = nItem;
/* set selection (clears other pre-existing selections) */
LISTVIEW_SetSelection(infoPtr, nItem);
LISTVIEW_SetItemFocus(infoPtr, nItem);
}
else
/* set selection (clears other pre-existing selections) */
LISTVIEW_SetSelection(infoPtr, nItem);
}
}
@ -8848,7 +8876,8 @@ static LRESULT LISTVIEW_LButtonDown(LISTVIEW_INFO *infoPtr, WORD wKey, INT x, IN
else
{
/* remove all selections */
LISTVIEW_DeselectAll(infoPtr);
if (!(wKey & MK_CONTROL) && !(wKey & MK_SHIFT))
LISTVIEW_DeselectAll(infoPtr);
ReleaseCapture();
}
@ -8885,6 +8914,11 @@ static LRESULT LISTVIEW_LButtonUp(LISTVIEW_INFO *infoPtr, WORD wKey, INT x, INT
/* set left button flag */
infoPtr->bLButtonDown = FALSE;
/* set a single selection, reset others */
if(lvHitTestInfo.iItem == infoPtr->nLButtonDownItem && lvHitTestInfo.iItem != -1)
LISTVIEW_SetSelection(infoPtr, infoPtr->nLButtonDownItem);
infoPtr->nLButtonDownItem = -1;
if (infoPtr->bDragging)
{
infoPtr->bDragging = FALSE;