From 26f86486b088495eeff542ec7d43caf78601fac1 Mon Sep 17 00:00:00 2001 From: Vadim Zeitlin Date: Sat, 6 Feb 1999 23:25:47 +0000 Subject: [PATCH] wxGTK compatible clipboard implementation (not OLE clipboard - it will come later) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1621 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- include/wx/gtk/clipbrd.h | 85 +++-- include/wx/gtk1/clipbrd.h | 85 +++-- include/wx/msw/clipbrd.h | 100 +++--- include/wx/msw/ole/dataobj.h | 2 +- src/msw/clipbrd.cpp | 602 +++++++++++++++++++---------------- 5 files changed, 476 insertions(+), 398 deletions(-) diff --git a/include/wx/gtk/clipbrd.h b/include/wx/gtk/clipbrd.h index e880b5ffaa..913379cac7 100644 --- a/include/wx/gtk/clipbrd.h +++ b/include/wx/gtk/clipbrd.h @@ -4,7 +4,7 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -42,50 +42,49 @@ extern wxClipboard* wxTheClipboard; // wxClipboard //----------------------------------------------------------------------------- -class wxClipboard: public wxObject +class wxClipboard : public wxObject { - DECLARE_DYNAMIC_CLASS(wxClipboard) + DECLARE_DYNAMIC_CLASS(wxClipboard) public: - - wxClipboard(); - ~wxClipboard(); - - /* open the clipboard before SetData() and GetData() */ - virtual bool Open(); - - /* close the clipboard after SetData() and GetData() */ - virtual void Close(); - - /* set the clipboard data. all other formats will be deleted. */ - virtual bool SetData( wxDataObject *data ); - - /* add to the clipboard data. */ - virtual bool AddData( wxDataObject *data ); - - /* ask if data in correct format is available */ - virtual bool IsSupported( wxDataObject &data ); - - /* fill data with data on the clipboard (if available) */ - virtual bool GetData( wxDataObject &data ); - - /* clears wxTheClipboard and the system's clipboard if possible */ - virtual void Clear(); - - /* implementation */ - - bool m_open; - - bool m_ownsClipboard; - bool m_ownsPrimarySelection; - - wxDataBroker *m_dataBroker; - GtkWidget *m_clipboardWidget; - - bool m_formatSupported; - GdkAtom m_targetRequested; - - wxDataObject *m_receivedData; + wxClipboard(); + ~wxClipboard(); + + // open the clipboard before SetData() and GetData() + virtual bool Open(); + + // close the clipboard after SetData() and GetData() + virtual void Close(); + + // set the clipboard data. all other formats will be deleted. + virtual bool SetData( wxDataObject *data ); + + // add to the clipboard data. + virtual bool AddData( wxDataObject *data ); + + // ask if data in correct format is available + virtual bool IsSupported( wxDataObject &data ); + + // fill data with data on the clipboard (if available) + virtual bool GetData( wxDataObject &data ); + + // clears wxTheClipboard and the system's clipboard if possible + virtual void Clear(); + + // implementation + + bool m_open; + + bool m_ownsClipboard; + bool m_ownsPrimarySelection; + + wxDataBroker *m_dataBroker; + GtkWidget *m_clipboardWidget; + + bool m_formatSupported; + GdkAtom m_targetRequested; + + wxDataObject *m_receivedData; }; //----------------------------------------------------------------------------- @@ -95,7 +94,7 @@ public: class wxClipboardModule: public wxModule { DECLARE_DYNAMIC_CLASS(wxClipboardModule) - + public: wxClipboardModule() {} bool OnInit(); diff --git a/include/wx/gtk1/clipbrd.h b/include/wx/gtk1/clipbrd.h index e880b5ffaa..913379cac7 100644 --- a/include/wx/gtk1/clipbrd.h +++ b/include/wx/gtk1/clipbrd.h @@ -4,7 +4,7 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -42,50 +42,49 @@ extern wxClipboard* wxTheClipboard; // wxClipboard //----------------------------------------------------------------------------- -class wxClipboard: public wxObject +class wxClipboard : public wxObject { - DECLARE_DYNAMIC_CLASS(wxClipboard) + DECLARE_DYNAMIC_CLASS(wxClipboard) public: - - wxClipboard(); - ~wxClipboard(); - - /* open the clipboard before SetData() and GetData() */ - virtual bool Open(); - - /* close the clipboard after SetData() and GetData() */ - virtual void Close(); - - /* set the clipboard data. all other formats will be deleted. */ - virtual bool SetData( wxDataObject *data ); - - /* add to the clipboard data. */ - virtual bool AddData( wxDataObject *data ); - - /* ask if data in correct format is available */ - virtual bool IsSupported( wxDataObject &data ); - - /* fill data with data on the clipboard (if available) */ - virtual bool GetData( wxDataObject &data ); - - /* clears wxTheClipboard and the system's clipboard if possible */ - virtual void Clear(); - - /* implementation */ - - bool m_open; - - bool m_ownsClipboard; - bool m_ownsPrimarySelection; - - wxDataBroker *m_dataBroker; - GtkWidget *m_clipboardWidget; - - bool m_formatSupported; - GdkAtom m_targetRequested; - - wxDataObject *m_receivedData; + wxClipboard(); + ~wxClipboard(); + + // open the clipboard before SetData() and GetData() + virtual bool Open(); + + // close the clipboard after SetData() and GetData() + virtual void Close(); + + // set the clipboard data. all other formats will be deleted. + virtual bool SetData( wxDataObject *data ); + + // add to the clipboard data. + virtual bool AddData( wxDataObject *data ); + + // ask if data in correct format is available + virtual bool IsSupported( wxDataObject &data ); + + // fill data with data on the clipboard (if available) + virtual bool GetData( wxDataObject &data ); + + // clears wxTheClipboard and the system's clipboard if possible + virtual void Clear(); + + // implementation + + bool m_open; + + bool m_ownsClipboard; + bool m_ownsPrimarySelection; + + wxDataBroker *m_dataBroker; + GtkWidget *m_clipboardWidget; + + bool m_formatSupported; + GdkAtom m_targetRequested; + + wxDataObject *m_receivedData; }; //----------------------------------------------------------------------------- @@ -95,7 +94,7 @@ public: class wxClipboardModule: public wxModule { DECLARE_DYNAMIC_CLASS(wxClipboardModule) - + public: wxClipboardModule() {} bool OnInit(); diff --git a/include/wx/msw/clipbrd.h b/include/wx/msw/clipbrd.h index 9849af42eb..33e15b6a42 100644 --- a/include/wx/msw/clipbrd.h +++ b/include/wx/msw/clipbrd.h @@ -6,7 +6,7 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_CLIPBRD_H_ @@ -24,71 +24,81 @@ #include "wx/list.h" #include "wx/module.h" -// These functions superceded by wxClipboard, but retained in order to implement -// wxClipboard, and for compatibility. -WXDLLEXPORT bool wxOpenClipboard(void); -WXDLLEXPORT bool wxClipboardOpen(void); -WXDLLEXPORT bool wxCloseClipboard(void); -WXDLLEXPORT bool wxEmptyClipboard(void); +// These functions superceded by wxClipboard, but retained in order to +// implement wxClipboard, and for compatibility. + +// open/close the clipboard +WXDLLEXPORT bool wxOpenClipboard(); +WXDLLEXPORT bool wxIsClipboardOpened(); +#define wxClipboardOpen wxIsClipboardOpened +WXDLLEXPORT bool wxCloseClipboard(); + +// get/set data +WXDLLEXPORT bool wxEmptyClipboard(); +WXDLLEXPORT bool wxSetClipboardData(wxDataFormat dataFormat, + const void *data, + int width = 0, int height = 0); +WXDLLEXPORT void* wxGetClipboardData(wxDataFormat dataFormat, + long *len = NULL); + +// clipboard formats WXDLLEXPORT bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat); -WXDLLEXPORT bool wxSetClipboardData(wxDataFormat dataFormat, wxObject *obj, int width = 0, int height = 0); -WXDLLEXPORT wxObject* wxGetClipboardData(wxDataFormat dataFormat, long *len = NULL); WXDLLEXPORT wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat); WXDLLEXPORT int wxRegisterClipboardFormat(char *formatName); -WXDLLEXPORT bool wxGetClipboardFormatName(wxDataFormat dataFormat, char *formatName, int maxCount); +WXDLLEXPORT bool wxGetClipboardFormatName(wxDataFormat dataFormat, + char *formatName, + int maxCount); //----------------------------------------------------------------------------- // wxClipboard //----------------------------------------------------------------------------- class WXDLLEXPORT wxDataObject; -class WXDLLEXPORT wxClipboard: public wxObject +class WXDLLEXPORT wxClipboard : public wxObject { - DECLARE_DYNAMIC_CLASS(wxClipboard) + DECLARE_DYNAMIC_CLASS(wxClipboard) public: - - wxClipboard(); - ~wxClipboard(); - - // open the clipboard before SetData() and GetData() - virtual bool Open(); - - // close the clipboard after SetData() and GetData() - virtual void Close(); - - // can be called several times - virtual bool SetData( wxDataObject *data ); - - // format available on the clipboard ? - // supply ID if private format, the same as wxPrivateDataObject::SetId() - virtual bool IsSupportedFormat( wxDataFormat format, const wxString &id = wxEmptyString ); - - // fill data with data on the clipboard (if available) - virtual bool GetData( wxDataObject *data ); - - // clears wxTheClipboard and the system's clipboard if possible - virtual void Clear(); - - // implementation - - bool m_open; - wxList m_data; + wxClipboard(); + ~wxClipboard(); + + // open the clipboard before SetData() and GetData() + virtual bool Open(); + + // close the clipboard after SetData() and GetData() + virtual void Close(); + + // set the clipboard data. all other formats will be deleted. + virtual bool SetData( wxDataObject *data ); + + // add to the clipboard data. + virtual bool AddData( wxDataObject *data ); + + // ask if data in correct format is available + virtual bool IsSupported( wxDataFormat format ); + + // fill data with data on the clipboard (if available) + virtual bool GetData( wxDataObject *data ); + + // clears wxTheClipboard and the system's clipboard if possible + virtual void Clear(); }; -/* The clipboard */ +// The global clipboard object WXDLLEXPORT_DATA(extern wxClipboard*) wxTheClipboard; //----------------------------------------------------------------------------- -// wxClipboardModule +// wxClipboardModule: module responsible for initializing the global clipboard +// object //----------------------------------------------------------------------------- -class wxClipboardModule: public wxModule +class wxClipboardModule : public wxModule { - DECLARE_DYNAMIC_CLASS(wxClipboardModule) - + DECLARE_DYNAMIC_CLASS(wxClipboardModule) + public: - wxClipboardModule() {} + wxClipboardModule() { } + bool OnInit(); void OnExit(); }; diff --git a/include/wx/msw/ole/dataobj.h b/include/wx/msw/ole/dataobj.h index 06fcfd6a67..9ffe673ffe 100644 --- a/include/wx/msw/ole/dataobj.h +++ b/include/wx/msw/ole/dataobj.h @@ -87,7 +87,7 @@ class WXDLLEXPORT wxTextDataObject : public wxDataObject { public: // ctors - wxTextDataObject(); + wxTextDataObject() { } wxTextDataObject(const wxString& strText) : m_strText(strText) { } void Init(const wxString& strText) { m_strText = strText; } diff --git a/src/msw/clipbrd.cpp b/src/msw/clipbrd.cpp index efca97a0bb..f15f9d8fc8 100644 --- a/src/msw/clipbrd.cpp +++ b/src/msw/clipbrd.cpp @@ -6,403 +6,476 @@ // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// =========================================================================== +// declarations +// =========================================================================== + +// --------------------------------------------------------------------------- +// headers +// --------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation "clipbrd.h" + #pragma implementation "clipbrd.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/setup.h" + #include "wx/setup.h" #endif #if wxUSE_CLIPBOARD #ifndef WX_PRECOMP -#include "wx/object.h" -#include "wx/event.h" -#include "wx/app.h" -#include "wx/frame.h" -#include "wx/bitmap.h" -#include "wx/utils.h" + #include "wx/object.h" + #include "wx/event.h" + #include "wx/app.h" + #include "wx/frame.h" + #include "wx/bitmap.h" + #include "wx/utils.h" #endif #if wxUSE_METAFILE -#include "wx/metafile.h" + #include "wx/metafile.h" #endif #include "wx/clipbrd.h" #include -HICON myIcon; - #include "wx/msw/private.h" #include "wx/msw/dib.h" // wxDataObject is tied to OLE/drag and drop implementation, // therefore so is wxClipboard :-( #if wxUSE_DRAG_AND_DROP -#include "wx/dataobj.h" + #include "wx/dataobj.h" #endif #include -bool wxClipboardIsOpen = FALSE; +// =========================================================================== +// implementation +// =========================================================================== + +// --------------------------------------------------------------------------- +// old-style clipboard functions using Windows API +// --------------------------------------------------------------------------- -bool wxOpenClipboard(void) +static bool gs_wxClipboardIsOpen = FALSE; + +bool wxOpenClipboard() { - if (wxTheApp->GetTopWindow() && !wxClipboardIsOpen) - { - wxClipboardIsOpen = (::OpenClipboard((HWND) wxTheApp->GetTopWindow()->GetHWND()) != 0); - return wxClipboardIsOpen; - } - else return FALSE; + wxCHECK_MSG( !gs_wxClipboardIsOpen, TRUE, "clipboard already opened." ); + + wxWindow *win = wxTheApp->GetTopWindow(); + if ( win ) + { + gs_wxClipboardIsOpen = ::OpenClipboard((HWND)win->GetHWND()) != 0; + + if ( !gs_wxClipboardIsOpen ) + wxLogSysError(_("Failed to open the clipboard.")); + + return gs_wxClipboardIsOpen; + } + else + { + wxLogDebug("Can not open clipboard without a main window,"); + + return FALSE; + } } -bool wxCloseClipboard(void) +bool wxCloseClipboard() { - if (wxClipboardIsOpen) - { - wxClipboardIsOpen = FALSE; - } - return (::CloseClipboard() != 0); + wxCHECK_MSG( gs_wxClipboardIsOpen, FALSE, "clipboard is not opened" ); + + gs_wxClipboardIsOpen = FALSE; + + if ( ::CloseClipboard() == 0 ) + { + wxLogSysError(_("Failed to close the clipboard.")); + + return FALSE; + } + + return TRUE; } -bool wxEmptyClipboard(void) +bool wxEmptyClipboard() { - return (::EmptyClipboard() != 0); + if ( ::EmptyClipboard() == 0 ) + { + wxLogSysError(_("Failed to empty the clipboard.")); + + return FALSE; + } + + return TRUE; } -bool wxClipboardOpen(void) +bool wxIsClipboardOpened() { - return wxClipboardIsOpen; + return gs_wxClipboardIsOpen; } bool wxIsClipboardFormatAvailable(wxDataFormat dataFormat) { - return (::IsClipboardFormatAvailable(dataFormat) != 0); + return ::IsClipboardFormatAvailable(dataFormat) != 0; } -bool wxSetClipboardData(wxDataFormat dataFormat, wxObject *obj, int width, int height) +bool wxSetClipboardData(wxDataFormat dataFormat, + const void *data, + int width, int height) { - switch (dataFormat) - { - case wxDF_BITMAP: - { - wxBitmap *wxBM = (wxBitmap *)obj; - - HDC hdcMem = CreateCompatibleDC((HDC) NULL); - HDC hdcSrc = CreateCompatibleDC((HDC) NULL); - HBITMAP old = (HBITMAP) ::SelectObject(hdcSrc, (HBITMAP) wxBM->GetHBITMAP()); - HBITMAP hBitmap = CreateCompatibleBitmap(hdcSrc, - wxBM->GetWidth(), wxBM->GetHeight()); - if (!hBitmap) - { - SelectObject(hdcSrc, old); - DeleteDC(hdcMem); - DeleteDC(hdcSrc); - return FALSE; - } - HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap); - BitBlt(hdcMem, 0, 0, wxBM->GetWidth(), wxBM->GetHeight(), - hdcSrc, 0, 0, SRCCOPY); - - // Select new bitmap out of memory DC - SelectObject(hdcMem, old1); - - // Set the data - bool success = (bool)(::SetClipboardData(CF_BITMAP, hBitmap) != 0); - - // Clean up - SelectObject(hdcSrc, old); - DeleteDC(hdcSrc); - DeleteDC(hdcMem); - return success; - break; - } - case wxDF_DIB: + HANDLE handle = 0; // return value of SetClipboardData + + switch (dataFormat) { + case wxDF_BITMAP: + { + wxBitmap *bitmap = (wxBitmap *)data; + + HDC hdcMem = CreateCompatibleDC((HDC) NULL); + HDC hdcSrc = CreateCompatibleDC((HDC) NULL); + HBITMAP old = (HBITMAP) + ::SelectObject(hdcSrc, (HBITMAP)bitmap->GetHBITMAP()); + HBITMAP hBitmap = CreateCompatibleBitmap(hdcSrc, + bitmap->GetWidth(), + bitmap->GetHeight()); + if (!hBitmap) + { + SelectObject(hdcSrc, old); + DeleteDC(hdcMem); + DeleteDC(hdcSrc); + return FALSE; + } + + HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hBitmap); + BitBlt(hdcMem, 0, 0, bitmap->GetWidth(), bitmap->GetHeight(), + hdcSrc, 0, 0, SRCCOPY); + + // Select new bitmap out of memory DC + SelectObject(hdcMem, old1); + + // Set the data + handle = ::SetClipboardData(CF_BITMAP, hBitmap); + + // Clean up + SelectObject(hdcSrc, old); + DeleteDC(hdcSrc); + DeleteDC(hdcMem); + break; + } + + case wxDF_DIB: + { #if wxUSE_IMAGE_LOADING_IN_MSW - HBITMAP hBitmap=(HBITMAP) ((wxBitmap *)obj)->GetHBITMAP(); - HANDLE hDIB=BitmapToDIB(hBitmap,(HPALETTE) NULL); // NULL==uses system palette - bool success = (::SetClipboardData(CF_DIB,hDIB) != 0); -#else - bool success=FALSE; + wxBitmap *bitmap = (wxBitmap *)data; + HBITMAP hBitmap = (HBITMAP)bitmap->GetHBITMAP(); + // NULL palette means to use the system one + HANDLE hDIB = BitmapToDIB(hBitmap, (HPALETTE)NULL); + handle = SetClipboardData(CF_DIB, hDIB); #endif - return success; - break; - } + break; + } + #if wxUSE_METAFILE - case wxDF_METAFILE: - { - wxMetafile *wxMF = (wxMetafile *)obj; - HANDLE data = GlobalAlloc(GHND, sizeof(METAFILEPICT) + 1); + case wxDF_METAFILE: + { + wxMetafile *wxMF = (wxMetafile *)data; + HANDLE data = GlobalAlloc(GHND, sizeof(METAFILEPICT) + 1); #ifdef __WINDOWS_386__ - METAFILEPICT *mf = (METAFILEPICT *)MK_FP32(GlobalLock(data)); + METAFILEPICT *mf = (METAFILEPICT *)MK_FP32(GlobalLock(data)); #else - METAFILEPICT *mf = (METAFILEPICT *)GlobalLock(data); + METAFILEPICT *mf = (METAFILEPICT *)GlobalLock(data); #endif - mf->mm = wxMF->GetWindowsMappingMode(); - mf->xExt = width; - mf->yExt = height; - mf->hMF = (HMETAFILE) wxMF->GetHMETAFILE(); - GlobalUnlock(data); - wxMF->SetHMETAFILE((WXHANDLE) NULL); + mf->mm = wxMF->GetWindowsMappingMode(); + mf->xExt = width; + mf->yExt = height; + mf->hMF = (HMETAFILE) wxMF->GetHMETAFILE(); + GlobalUnlock(data); + wxMF->SetHMETAFILE((WXHANDLE) NULL); - return (SetClipboardData(CF_METAFILEPICT, data) != 0); - break; - } + handle = SetClipboardData(CF_METAFILEPICT, data); + break; + } #endif - case CF_SYLK: - case CF_DIF: - case CF_TIFF: - case CF_PALETTE: - { - return FALSE; - break; - } - case wxDF_OEMTEXT: - dataFormat = wxDF_TEXT; - case wxDF_TEXT: - width = strlen((char *)obj) + 1; - height = 1; - default: - { - char *s = (char *)obj; - DWORD l; + case CF_SYLK: + case CF_DIF: + case CF_TIFF: + case CF_PALETTE: + default: + { + wxLogError(_("Unsupported clipboard format.")); + return FALSE; + } - l = (width * height); - HANDLE hGlobalMemory = GlobalAlloc(GHND, l); - if (!hGlobalMemory) - return FALSE; + case wxDF_OEMTEXT: + dataFormat = wxDF_TEXT; + // fall through + case wxDF_TEXT: + { + char *s = (char *)data; + + width = strlen(s) + 1; + height = 1; + DWORD l = (width * height); + HANDLE hGlobalMemory = GlobalAlloc(GHND, l); + if ( hGlobalMemory ) + { #ifdef __WINDOWS_386__ - LPSTR lpGlobalMemory = (LPSTR)MK_FP32(GlobalLock(hGlobalMemory)); + LPSTR lpGlobalMemory = (LPSTR)MK_FP32(GlobalLock(hGlobalMemory)); #else - LPSTR lpGlobalMemory = (LPSTR)GlobalLock(hGlobalMemory); + LPSTR lpGlobalMemory = (LPSTR)GlobalLock(hGlobalMemory); #endif #ifdef __WIN32__ - memcpy(lpGlobalMemory, s, l); + memcpy(lpGlobalMemory, s, l); #elif defined(__WATCOMC__) && defined(__WINDOWS_386__) - memcpy(lpGlobalMemory, s, l); + memcpy(lpGlobalMemory, s, l); #else - hmemcpy(lpGlobalMemory, s, l); + hmemcpy(lpGlobalMemory, s, l); #endif - GlobalUnlock(hGlobalMemory); - HANDLE success = SetClipboardData(dataFormat, hGlobalMemory); - return (success != 0); - break; - } - } - return FALSE; -} + GlobalUnlock(hGlobalMemory); + } -wxObject *wxGetClipboardData(wxDataFormat dataFormat, long *len) -{ - switch (dataFormat) - { - case wxDF_BITMAP: - { - BITMAP bm; - HBITMAP hBitmap = (HBITMAP) GetClipboardData(CF_BITMAP); - if (!hBitmap) - return NULL; - - HDC hdcMem = CreateCompatibleDC((HDC) NULL); - HDC hdcSrc = CreateCompatibleDC((HDC) NULL); - - HBITMAP old = (HBITMAP) ::SelectObject(hdcSrc, hBitmap); - GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&bm); - - HBITMAP hNewBitmap = CreateBitmapIndirect(&bm); - - if (!hNewBitmap) - { - SelectObject(hdcSrc, old); - DeleteDC(hdcMem); - DeleteDC(hdcSrc); - return NULL; - } - - HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hNewBitmap); - BitBlt(hdcMem, 0, 0, bm.bmWidth, bm.bmHeight, - hdcSrc, 0, 0, SRCCOPY); - - // Select new bitmap out of memory DC - SelectObject(hdcMem, old1); - - // Clean up - SelectObject(hdcSrc, old); - DeleteDC(hdcSrc); - DeleteDC(hdcMem); - - // Create and return a new wxBitmap - wxBitmap *wxBM = new wxBitmap; - wxBM->SetHBITMAP((WXHBITMAP) hNewBitmap); - wxBM->SetWidth(bm.bmWidth); - wxBM->SetHeight(bm.bmHeight); - wxBM->SetDepth(bm.bmPlanes); - wxBM->SetOk(TRUE); - return (wxObject *)wxBM; - break; + handle = SetClipboardData(dataFormat, hGlobalMemory); + break; + } } - case wxDF_METAFILE: - case CF_SYLK: - case CF_DIF: - case CF_TIFF: - case CF_PALETTE: - case wxDF_DIB: + + if ( handle == 0 ) { - return FALSE; - break; + wxLogSysError(_("Failed to set clipboard data.")); + + return FALSE; } - case wxDF_OEMTEXT: - dataFormat = wxDF_TEXT; - case wxDF_TEXT: - default: + + return TRUE; +} + +void *wxGetClipboardData(wxDataFormat dataFormat, long *len) +{ + void *retval = NULL; + + switch ( dataFormat ) { - HANDLE hGlobalMemory = GetClipboardData(dataFormat); - if (!hGlobalMemory) - return NULL; + case wxDF_BITMAP: + { + BITMAP bm; + HBITMAP hBitmap = (HBITMAP) GetClipboardData(CF_BITMAP); + if (!hBitmap) + break; + + HDC hdcMem = CreateCompatibleDC((HDC) NULL); + HDC hdcSrc = CreateCompatibleDC((HDC) NULL); + + HBITMAP old = (HBITMAP) ::SelectObject(hdcSrc, hBitmap); + GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&bm); + + HBITMAP hNewBitmap = CreateBitmapIndirect(&bm); + + if (!hNewBitmap) + { + SelectObject(hdcSrc, old); + DeleteDC(hdcMem); + DeleteDC(hdcSrc); + break; + } + + HBITMAP old1 = (HBITMAP) SelectObject(hdcMem, hNewBitmap); + BitBlt(hdcMem, 0, 0, bm.bmWidth, bm.bmHeight, + hdcSrc, 0, 0, SRCCOPY); + + // Select new bitmap out of memory DC + SelectObject(hdcMem, old1); + + // Clean up + SelectObject(hdcSrc, old); + DeleteDC(hdcSrc); + DeleteDC(hdcMem); + + // Create and return a new wxBitmap + wxBitmap *wxBM = new wxBitmap; + wxBM->SetHBITMAP((WXHBITMAP) hNewBitmap); + wxBM->SetWidth(bm.bmWidth); + wxBM->SetHeight(bm.bmHeight); + wxBM->SetDepth(bm.bmPlanes); + wxBM->SetOk(TRUE); + retval = wxBM; + break; + } + + case wxDF_METAFILE: + case CF_SYLK: + case CF_DIF: + case CF_TIFF: + case CF_PALETTE: + case wxDF_DIB: + default: + { + wxLogError(_("Unsupported clipboard format.")); + return FALSE; + } + + case wxDF_OEMTEXT: + dataFormat = wxDF_TEXT; + // fall through + + case wxDF_TEXT: + { + HANDLE hGlobalMemory = ::GetClipboardData(dataFormat); + if (!hGlobalMemory) + break; - int hsize = (int)GlobalSize(hGlobalMemory); - if (len) - *len = hsize; + DWORD hsize = ::GlobalSize(hGlobalMemory); + if (len) + *len = hsize; - char *s = new char[hsize]; - if (!s) - return NULL; + char *s = new char[hsize]; + if (!s) + break; #ifdef __WINDOWS_386__ - LPSTR lpGlobalMemory = (LPSTR)MK_FP32(GlobalLock(hGlobalMemory)); + LPSTR lpGlobalMemory = (LPSTR)MK_FP32(GlobalLock(hGlobalMemory)); #else - LPSTR lpGlobalMemory = (LPSTR)GlobalLock(hGlobalMemory); + LPSTR lpGlobalMemory = (LPSTR)::GlobalLock(hGlobalMemory); #endif #ifdef __WIN32__ - memcpy(s, lpGlobalMemory, GlobalSize(hGlobalMemory)); + memcpy(s, lpGlobalMemory, hsize); #elif __WATCOMC__ && defined(__WINDOWS_386__) - memcpy(s, lpGlobalMemory, GlobalSize(hGlobalMemory)); + memcpy(s, lpGlobalMemory, hsize); #else - hmemcpy(s, lpGlobalMemory, GlobalSize(hGlobalMemory)); + hmemcpy(s, lpGlobalMemory, hsize); #endif - GlobalUnlock(hGlobalMemory); + ::GlobalUnlock(hGlobalMemory); + + retval = s; + break; + } + } - return (wxObject *)s; - break; + if ( !retval ) + { + wxLogSysError(_("Failed to retrieve data from the clipboard.")); } - } - return NULL; + + return retval; } wxDataFormat wxEnumClipboardFormats(wxDataFormat dataFormat) { - return (wxDataFormat) ::EnumClipboardFormats(dataFormat); + return (wxDataFormat)::EnumClipboardFormats(dataFormat); } -int wxRegisterClipboardFormat(char *formatName) +int wxRegisterClipboardFormat(char *formatName) { return ::RegisterClipboardFormat(formatName); } -bool wxGetClipboardFormatName(wxDataFormat dataFormat, char *formatName, int maxCount) +bool wxGetClipboardFormatName(wxDataFormat dataFormat, + char *formatName, + int maxCount) { - return (::GetClipboardFormatName((int) dataFormat, formatName, maxCount) > 0); + return ::GetClipboardFormatName((int)dataFormat, formatName, maxCount) > 0; } -//----------------------------------------------------------------------------- +// --------------------------------------------------------------------------- // wxClipboard -//----------------------------------------------------------------------------- +// --------------------------------------------------------------------------- -IMPLEMENT_DYNAMIC_CLASS(wxClipboard,wxObject) +IMPLEMENT_DYNAMIC_CLASS(wxClipboard, wxObject) -wxClipboard* wxTheClipboard = (wxClipboard*) NULL; +wxClipboard* wxTheClipboard = (wxClipboard *)NULL; wxClipboard::wxClipboard() { - m_open = FALSE; } wxClipboard::~wxClipboard() { - Clear(); + Clear(); } void wxClipboard::Clear() { -#if wxUSE_DRAG_AND_DROP - wxNode* node = m_data.First(); - while (node) - { - wxDataObject* data = (wxDataObject*) node->Data(); - delete data; - node = node->Next(); - } - m_data.Clear(); -#endif } bool wxClipboard::Open() { - wxCHECK_MSG( !m_open, FALSE, "clipboard already open" ); - - m_open = TRUE; - return wxOpenClipboard(); } bool wxClipboard::SetData( wxDataObject *data ) { -#if wxUSE_DRAG_AND_DROP + (void)wxEmptyClipboard(); + + if ( data ) + return AddData(data); + else + return TRUE; +} + +bool wxClipboard::AddData( wxDataObject *data ) +{ wxCHECK_MSG( data, FALSE, "data is invalid" ); - wxCHECK_MSG( m_open, FALSE, "clipboard not open" ); - switch (data->GetFormat()) +#if wxUSE_DRAG_AND_DROP + wxCHECK_MSG( wxIsClipboardOpened(), FALSE, "clipboard not open" ); + + wxDataFormat format = data->GetFormat(); + + switch ( format ) { case wxDF_TEXT: case wxDF_OEMTEXT: { wxTextDataObject* textDataObject = (wxTextDataObject*) data; wxString str(textDataObject->GetText()); - return wxSetClipboardData(data->GetFormat(), (wxObject*) (const char*) str); - break; + return wxSetClipboardData(format, str.c_str()); } + case wxDF_BITMAP: case wxDF_DIB: { wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data; wxBitmap bitmap(bitmapDataObject->GetBitmap()); - return wxSetClipboardData(data->GetFormat(), & bitmap); - break; + return wxSetClipboardData(data->GetFormat(), &bitmap); } + #if wxUSE_METAFILE case wxDF_METAFILE: { - wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject*) data; + wxMetafileDataObject* metaFileDataObject = + (wxMetafileDataObject*) data; wxMetafile metaFile = metaFileDataObject->GetMetafile(); - return wxSetClipboardData(wxDF_METAFILE, & metaFile, metaFileDataObject->GetWidth(), metaFileDataObject->GetHeight()); - break; + return wxSetClipboardData(wxDF_METAFILE, &metaFile, + metaFileDataObject->GetWidth(), + metaFileDataObject->GetHeight()); } -#endif +#endif // wxUSE_METAFILE + default: - { + wxLogError(_("Can not put data in format '%s' on clipboard."), + wxDataObject::GetFormatName(format)); + return FALSE; - } } - + return FALSE; #else return FALSE; @@ -411,30 +484,28 @@ bool wxClipboard::SetData( wxDataObject *data ) void wxClipboard::Close() { - wxCHECK_RET( m_open, "clipboard not open" ); - - m_open = FALSE; wxCloseClipboard(); } -bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString& WXUNUSED(id) ) +bool wxClipboard::IsSupported( wxDataFormat format ) { return wxIsClipboardFormatAvailable(format); } bool wxClipboard::GetData( wxDataObject *data ) { - wxCHECK_MSG( m_open, FALSE, "clipboard not open" ); - + wxCHECK_MSG( wxIsClipboardOpened(), FALSE, "clipboard not open" ); + #if wxUSE_DRAG_AND_DROP - switch (data->GetFormat()) + wxDataFormat format = data->GetFormat(); + switch ( format ) { case wxDF_TEXT: case wxDF_OEMTEXT: { wxTextDataObject* textDataObject = (wxTextDataObject*) data; - char* s = (char*) wxGetClipboardData(data->GetFormat()); - if (s) + char* s = (char*) wxGetClipboardData(format); + if ( s ) { textDataObject->SetText(s); delete[] s; @@ -442,13 +513,13 @@ bool wxClipboard::GetData( wxDataObject *data ) } else return FALSE; - break; } + case wxDF_BITMAP: case wxDF_DIB: { - wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject*) data; - wxBitmap* bitmap = (wxBitmap*) wxGetClipboardData(data->GetFormat()); + wxBitmapDataObject* bitmapDataObject = (wxBitmapDataObject *)data; + wxBitmap* bitmap = (wxBitmap *)wxGetClipboardData(data->GetFormat()); if (bitmap) { bitmapDataObject->SetBitmap(* bitmap); @@ -457,31 +528,28 @@ bool wxClipboard::GetData( wxDataObject *data ) } else return FALSE; - break; } #if wxUSE_METAFILE case wxDF_METAFILE: { - wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject*) data; - wxMetafile* metaFile = (wxMetafile*) wxGetClipboardData(wxDF_METAFILE); + wxMetafileDataObject* metaFileDataObject = (wxMetafileDataObject *)data; + wxMetafile* metaFile = (wxMetafile *)wxGetClipboardData(wxDF_METAFILE); if (metaFile) { - metaFileDataObject->SetMetafile(* metaFile); + metaFileDataObject->SetMetafile(*metaFile); delete metaFile; return TRUE; } else return FALSE; - - break; } #endif default: - { + wxLogError(_("Can not get data in format '%s' from clipboard."), + wxDataObject::GetFormatName(format)); + return FALSE; - } } - return FALSE; #else return FALSE; #endif @@ -496,7 +564,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxClipboardModule,wxModule) bool wxClipboardModule::OnInit() { wxTheClipboard = new wxClipboard(); - + return TRUE; } @@ -506,5 +574,7 @@ void wxClipboardModule::OnExit() wxTheClipboard = (wxClipboard*) NULL; } +#else + #error "Please turn wxUSE_CLIPBOARD on to compile this file." #endif // wxUSE_CLIPBOARD -- 2.45.2