Michael Jung : ole32: Periodically call IDropTarger::DragOver during Drag&Drop.
Module: wine Branch: refs/heads/master Commit: 892fc1093d3b7994570938da01554c988fe3e437 URL: http://source.winehq.org/git/?p=wine.git;a=commit;h=892fc1093d3b7994570938da... Author: Michael Jung <mjung(a)iss.tu-darmstadt.de> Date: Mon Dec 12 12:42:53 2005 +0100 ole32: Periodically call IDropTarger::DragOver during Drag&Drop. --- dlls/ole32/ole2.c | 129 ++++++++++++++--------------------------------------- 1 files changed, 34 insertions(+), 95 deletions(-) diff --git a/dlls/ole32/ole2.c b/dlls/ole32/ole2.c index 4bc815e..fd55930 100644 --- a/dlls/ole32/ole2.c +++ b/dlls/ole32/ole2.c @@ -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_DragTracker 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_FindDropTar * 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_DragTrackerW 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_DragTrackerW 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_DragTrackerW * 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; }
participants (1)
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Alexandre Julliard