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ole32: Periodically call IDropTarger::DragOver during Drag&Drop.

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Michael Jung 2005-12-12 12:42:53 +01:00 committed by Alexandre Julliard
parent 681b71ed9a
commit 892fc1093d
1 changed files with 34 additions and 95 deletions
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129
dlls/ole32/ole2.c
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@ -79,6 +79,8 @@ typedef struct tagTrackerWindowInfo
HWND curTargetHWND; /* window the mouse is hovering over */
HWND curDragTargetHWND; /* might be a ancestor of curTargetHWND */
IDropTarget* curDragTarget;
POINTL curMousePos; /* current position of the mouse in screen coordinates */
DWORD dwKeyState; /* current state of the shift and ctrl keys and the mouse buttons */
} TrackerWindowInfo;
typedef struct tagOleMenuDescriptor /* OleMenuDescriptor */
@ -158,13 +160,9 @@ static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
WPARAM wParam,
LPARAM lParam);
static void OLEDD_TrackMouseMove(
TrackerWindowInfo* trackerInfo,
POINT mousePos,
DWORD keyState);
TrackerWindowInfo* trackerInfo);
static void OLEDD_TrackStateChange(
TrackerWindowInfo* trackerInfo,
POINT mousePos,
DWORD keyState);
TrackerWindowInfo* trackerInfo);
static DWORD OLEDD_GetButtonState(void);
@ -533,6 +531,10 @@ HRESULT WINAPI DoDragDrop (
*/
while (!trackerInfo.trackingDone && GetMessageA(&msg, 0, 0, 0) )
{
trackerInfo.curMousePos.x = msg.pt.x;
trackerInfo.curMousePos.y = msg.pt.y;
trackerInfo.dwKeyState = OLEDD_GetButtonState();
if ( (msg.message >= WM_KEYFIRST) &&
(msg.message <= WM_KEYLAST) )
{
@ -551,9 +553,7 @@ HRESULT WINAPI DoDragDrop (
/*
* Notify the drop source.
*/
OLEDD_TrackStateChange(&trackerInfo,
msg.pt,
OLEDD_GetButtonState());
OLEDD_TrackStateChange(&trackerInfo);
}
else
{
@ -2033,6 +2033,9 @@ static DropTargetNode* OLEDD_FindDropTarget(HWND hwndOfTarget)
* to receive the user input and act upon it. This procedure is in charge
* of this behavior.
*/
#define DRAG_TIMER_ID 1
static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
HWND hwnd,
UINT uMsg,
@ -2046,27 +2049,14 @@ static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
LPCREATESTRUCTA createStruct = (LPCREATESTRUCTA)lParam;
SetWindowLongA(hwnd, 0, (LONG)createStruct->lpCreateParams);
SetTimer(hwnd, DRAG_TIMER_ID, 50, NULL);
break;
}
case WM_TIMER:
case WM_MOUSEMOVE:
{
TrackerWindowInfo* trackerInfo = (TrackerWindowInfo*)GetWindowLongA(hwnd, 0);
POINT mousePos;
/*
* Get the current mouse position in screen coordinates.
*/
mousePos.x = LOWORD(lParam);
mousePos.y = HIWORD(lParam);
ClientToScreen(hwnd, &mousePos);
/*
* Track the movement of the mouse.
*/
OLEDD_TrackMouseMove(trackerInfo, mousePos, wParam);
OLEDD_TrackMouseMove((TrackerWindowInfo*)GetWindowLongA(hwnd, 0));
break;
}
case WM_LBUTTONUP:
@ -2076,22 +2066,12 @@ static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
{
TrackerWindowInfo* trackerInfo = (TrackerWindowInfo*)GetWindowLongA(hwnd, 0);
POINT mousePos;
/*
* Get the current mouse position in screen coordinates.
*/
mousePos.x = LOWORD(lParam);
mousePos.y = HIWORD(lParam);
ClientToScreen(hwnd, &mousePos);
/*
* Notify everyone that the button state changed
* TODO: Check if the "escape" key was pressed.
*/
OLEDD_TrackStateChange(trackerInfo, mousePos, wParam);
OLEDD_TrackStateChange((TrackerWindowInfo*)GetWindowLongA(hwnd, 0));
break;
}
case WM_DESTROY:
{
KillTimer(hwnd, DRAG_TIMER_ID);
break;
}
}
@ -2114,23 +2094,19 @@ static LRESULT WINAPI OLEDD_DragTrackerWindowProc(
* trackerInfo - Pointer to the structure identifying the
* drag & drop operation that is currently
* active.
* mousePos - Current position of the mouse in screen
* coordinates.
* keyState - Contains the state of the shift keys and the
* mouse buttons (MK_LBUTTON and the like)
*/
static void OLEDD_TrackMouseMove(
TrackerWindowInfo* trackerInfo,
POINT mousePos,
DWORD keyState)
static void OLEDD_TrackMouseMove(TrackerWindowInfo* trackerInfo)
{
HWND hwndNewTarget = 0;
HRESULT hr = S_OK;
POINT pt;
/*
* Get the handle of the window under the mouse
*/
hwndNewTarget = WindowFromPoint(mousePos);
pt.x = trackerInfo->curMousePos.x;
pt.y = trackerInfo->curMousePos.y;
hwndNewTarget = WindowFromPoint(pt);
/*
* Every time, we re-initialize the effects passed to the
@ -2145,19 +2121,9 @@ static void OLEDD_TrackMouseMove(
if ( (trackerInfo->curDragTarget != 0) &&
(trackerInfo->curTargetHWND == hwndNewTarget) )
{
POINTL mousePosParam;
/*
* The documentation tells me that the coordinate should be in the target
* window's coordinate space. However, the tests I made tell me the
* coordinates should be in screen coordinates.
*/
mousePosParam.x = mousePos.x;
mousePosParam.y = mousePos.y;
IDropTarget_DragOver(trackerInfo->curDragTarget,
keyState,
mousePosParam,
trackerInfo->dwKeyState,
trackerInfo->curMousePos,
trackerInfo->pdwEffect);
}
else
@ -2197,20 +2163,10 @@ static void OLEDD_TrackMouseMove(
*/
if (trackerInfo->curDragTarget!=0)
{
POINTL mousePosParam;
/*
* The documentation tells me that the coordinate should be in the target
* window's coordinate space. However, the tests I made tell me the
* coordinates should be in screen coordinates.
*/
mousePosParam.x = mousePos.x;
mousePosParam.y = mousePos.y;
IDropTarget_DragEnter(trackerInfo->curDragTarget,
trackerInfo->dataObject,
keyState,
mousePosParam,
trackerInfo->dwKeyState,
trackerInfo->curMousePos,
trackerInfo->pdwEffect);
}
}
@ -2276,15 +2232,8 @@ static void OLEDD_TrackMouseMove(
* trackerInfo - Pointer to the structure identifying the
* drag & drop operation that is currently
* active.
* mousePos - Current position of the mouse in screen
* coordinates.
* keyState - Contains the state of the shift keys and the
* mouse buttons (MK_LBUTTON and the like)
*/
static void OLEDD_TrackStateChange(
TrackerWindowInfo* trackerInfo,
POINT mousePos,
DWORD keyState)
static void OLEDD_TrackStateChange(TrackerWindowInfo* trackerInfo)
{
/*
* Ask the drop source what to do with the operation.
@ -2292,7 +2241,7 @@ static void OLEDD_TrackStateChange(
trackerInfo->returnValue = IDropSource_QueryContinueDrag(
trackerInfo->dropSource,
trackerInfo->escPressed,
keyState);
trackerInfo->dwKeyState);
/*
* All the return valued will stop the operation except the S_OK
@ -2325,20 +2274,10 @@ static void OLEDD_TrackStateChange(
*/
case DRAGDROP_S_DROP:
{
POINTL mousePosParam;
/*
* The documentation tells me that the coordinate should be
* in the target window's coordinate space. However, the tests
* I made tell me the coordinates should be in screen coordinates.
*/
mousePosParam.x = mousePos.x;
mousePosParam.y = mousePos.y;
IDropTarget_Drop(trackerInfo->curDragTarget,
trackerInfo->dataObject,
keyState,
mousePosParam,
trackerInfo->dwKeyState,
trackerInfo->curMousePos,
trackerInfo->pdwEffect);
break;
}