Module: wine Branch: master Commit: 6ce9922f3d98c15b827a8179e3d132f10aff7218 URL: http://source.winehq.org/git/wine.git/?a=commit;h=6ce9922f3d98c15b827a8179e3...
Author: Huw Davies huw@codeweavers.com Date: Thu Apr 16 12:08:11 2009 +0100
ole32: Add a helper function to set and release the source IDataObject.
---
dlls/ole32/clipboard.c | 244 +++++++++++++++++++++++------------------------ 1 files changed, 119 insertions(+), 125 deletions(-)
diff --git a/dlls/ole32/clipboard.c b/dlls/ole32/clipboard.c index 2c39e45..0b67476 100644 --- a/dlls/ole32/clipboard.c +++ b/dlls/ole32/clipboard.c @@ -753,68 +753,6 @@ static HRESULT render_format(IDataObject *data, LPFORMATETC fmt) return hr; }
-/*********************************************************************** - * clipbrd_wndproc - */ -static LRESULT CALLBACK clipbrd_wndproc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) -{ - ole_clipbrd *clipbrd; - - get_ole_clipbrd(&clipbrd); - - switch (message) - { - case WM_RENDERFORMAT: - { - UINT cf = wparam; - ole_priv_data_entry *entry; - - TRACE("(): WM_RENDERFORMAT(cfFormat=%x)\n", cf); - entry = find_format_in_list(clipbrd->cached_enum->entries, clipbrd->cached_enum->count, cf); - - if(entry) - render_format(clipbrd->pIDataObjectSrc, &entry->fmtetc); - - break; - } - - case WM_RENDERALLFORMATS: - { - DWORD i; - ole_priv_data_entry *entries = clipbrd->cached_enum->entries; - - TRACE("(): WM_RENDERALLFORMATS\n"); - - for(i = 0; i < clipbrd->cached_enum->count; i++) - { - if(entries[i].first_use) - render_format(clipbrd->pIDataObjectSrc, &entries[i].fmtetc); - } - break; - } - - case WM_DESTROYCLIPBOARD: - { - TRACE("(): WM_DESTROYCLIPBOARD\n"); - - if ( clipbrd->pIDataObjectSrc ) - { - IDataObject_Release(clipbrd->pIDataObjectSrc); - clipbrd->pIDataObjectSrc = NULL; - HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum); - clipbrd->cached_enum = NULL; - } - break; - } - - default: - return DefWindowProcW(hwnd, message, wparam, lparam); - } - - return 0; -} - - /*---------------------------------------------------------------------* * Implementation of the internal IDataObject interface exposed by * the OLE clipboard. @@ -1249,37 +1187,6 @@ void OLEClipbrd_UnInitialize(void) } }
-/*********************************************************************** - * OLEClipbrd_CreateWindow() - * Create the clipboard window - */ -static HWND OLEClipbrd_CreateWindow(void) -{ - WNDCLASSEXW class; - static const WCHAR ole32W[] = {'o','l','e','3','2',0}; - static const WCHAR title[] = {'C','l','i','p','b','o','a','r','d','W','i','n','d','o','w',0}; - HINSTANCE hinst = GetModuleHandleW(ole32W); - - class.cbSize = sizeof(class); - class.style = 0; - class.lpfnWndProc = clipbrd_wndproc; - class.cbClsExtra = 0; - class.cbWndExtra = 0; - class.hInstance = hinst; - class.hIcon = 0; - class.hCursor = 0; - class.hbrBackground = 0; - class.lpszMenuName = NULL; - class.lpszClassName = clipbrd_wndclass; - class.hIconSm = NULL; - - RegisterClassExW(&class); - - return CreateWindowW(clipbrd_wndclass, title, WS_POPUP | WS_CLIPSIBLINGS | WS_OVERLAPPED, - CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, - NULL, NULL, hinst, 0); -} - /********************************************************************* * set_clipboard_formats * @@ -1372,6 +1279,119 @@ static HRESULT set_clipboard_formats(ole_clipbrd *clipbrd, IDataObject *data) return S_OK; }
+/*********************************************************************** + * set_src_dataobject + * + * Clears and sets the clipboard's src IDataObject. + */ +static HRESULT set_src_dataobject(ole_clipbrd *clipbrd, IDataObject *data) +{ + HRESULT hr = S_OK; + + if(clipbrd->pIDataObjectSrc) + { + IDataObject_Release(clipbrd->pIDataObjectSrc); + clipbrd->pIDataObjectSrc = NULL; + HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum); + clipbrd->cached_enum = NULL; + } + + if(data) + { + IDataObject_AddRef(data); + clipbrd->pIDataObjectSrc = data; + hr = set_clipboard_formats(clipbrd, data); + } + return hr; +} + +/*********************************************************************** + * clipbrd_wndproc + */ +static LRESULT CALLBACK clipbrd_wndproc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam) +{ + ole_clipbrd *clipbrd; + + get_ole_clipbrd(&clipbrd); + + switch (message) + { + case WM_RENDERFORMAT: + { + UINT cf = wparam; + ole_priv_data_entry *entry; + + TRACE("(): WM_RENDERFORMAT(cfFormat=%x)\n", cf); + entry = find_format_in_list(clipbrd->cached_enum->entries, clipbrd->cached_enum->count, cf); + + if(entry) + render_format(clipbrd->pIDataObjectSrc, &entry->fmtetc); + + break; + } + + case WM_RENDERALLFORMATS: + { + DWORD i; + ole_priv_data_entry *entries = clipbrd->cached_enum->entries; + + TRACE("(): WM_RENDERALLFORMATS\n"); + + for(i = 0; i < clipbrd->cached_enum->count; i++) + { + if(entries[i].first_use) + render_format(clipbrd->pIDataObjectSrc, &entries[i].fmtetc); + } + break; + } + + case WM_DESTROYCLIPBOARD: + { + TRACE("(): WM_DESTROYCLIPBOARD\n"); + + set_src_dataobject(clipbrd, NULL); + break; + } + + default: + return DefWindowProcW(hwnd, message, wparam, lparam); + } + + return 0; +} + + +/*********************************************************************** + * OLEClipbrd_CreateWindow() + * Create the clipboard window + */ +static HWND OLEClipbrd_CreateWindow(void) +{ + WNDCLASSEXW class; + static const WCHAR ole32W[] = {'o','l','e','3','2',0}; + static const WCHAR title[] = {'C','l','i','p','b','o','a','r','d','W','i','n','d','o','w',0}; + HINSTANCE hinst = GetModuleHandleW(ole32W); + + class.cbSize = sizeof(class); + class.style = 0; + class.lpfnWndProc = clipbrd_wndproc; + class.cbClsExtra = 0; + class.cbWndExtra = 0; + class.hInstance = hinst; + class.hIcon = 0; + class.hCursor = 0; + class.hbrBackground = 0; + class.lpszMenuName = NULL; + class.lpszClassName = clipbrd_wndclass; + class.hIconSm = NULL; + + RegisterClassExW(&class); + + return CreateWindowW(clipbrd_wndclass, title, WS_POPUP | WS_CLIPSIBLINGS | WS_OVERLAPPED, + CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, + NULL, NULL, hinst, 0); +} + /********************************************************************* * set_dataobject_format * @@ -1416,12 +1436,12 @@ static HRESULT set_dataobject_format(HWND hwnd) * CLIPBRD_E_CANT_SET SetClipboard failed */
-HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj) +HRESULT WINAPI OleSetClipboard(IDataObject* data) { HRESULT hr; ole_clipbrd *clipbrd;
- TRACE("(%p)\n", pDataObj); + TRACE("(%p)\n", data);
if(FAILED(hr = get_ole_clipbrd(&clipbrd))) return hr;
@@ -1444,25 +1464,8 @@ HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj) goto end; }
- /* - * If we are already holding on to an IDataObject first release that. - */ - if ( clipbrd->pIDataObjectSrc ) - { - IDataObject_Release(clipbrd->pIDataObjectSrc); - clipbrd->pIDataObjectSrc = NULL; - HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum); - clipbrd->cached_enum = NULL; - } - - /* A NULL value indicates that the clipboard should be emptied. */ - clipbrd->pIDataObjectSrc = pDataObj; - if ( pDataObj ) - { - IDataObject_AddRef(clipbrd->pIDataObjectSrc); - hr = set_clipboard_formats(clipbrd, pDataObj); - if(FAILED(hr)) goto end; - } + hr = set_src_dataobject(clipbrd, data); + if(FAILED(hr)) goto end;
hr = set_dataobject_format(clipbrd->hWndClipboard);
@@ -1472,13 +1475,7 @@ end:
if ( FAILED(hr) ) { - if (clipbrd->pIDataObjectSrc) - { - IDataObject_Release(clipbrd->pIDataObjectSrc); - clipbrd->pIDataObjectSrc = NULL; - HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum); - clipbrd->cached_enum = NULL; - } + set_src_dataobject(clipbrd, NULL); }
return hr; @@ -1561,10 +1558,7 @@ HRESULT WINAPI OleFlushClipboard(void)
hr = set_dataobject_format(NULL);
- IDataObject_Release(clipbrd->pIDataObjectSrc); - clipbrd->pIDataObjectSrc = NULL; - HeapFree(GetProcessHeap(), 0, clipbrd->cached_enum); - clipbrd->cached_enum = NULL; + set_src_dataobject(clipbrd, NULL);
end: