Removed wxNullRegion
Finalized wxClpboard git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
parent
6085b116d6
commit
75ce058154
@ -6,7 +6,7 @@ clipboard class from wxWindows 1.xx, which has the same name but a different imp
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To use the clipboard, you call member functions of the global {\bf wxTheClipboard} object.
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Call \helpref{wxClipboard::Open}{wxclipboardopen} to get ownership of the clipboard. If this operation returns TRUE, you
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now own the clipboard. Call \helpref{wxClipboard::SetData}{wxclipboardsetdata} to put data
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now own the clipboard. Call \helpref{wxClipboard::AddData}{wxclipboardadddata} to put data
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on the clipboard (one or more times), or \helpref{wxClipboard::GetData}{wxclipboardgetdata} to
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retrieve data from the clipboard. Call \helpref{wxClipboard::Close}{wxclipboardclose} to close
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the clipboard and relinquish ownership. You should keep the clipboard open only momentarily.
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@ -17,20 +17,22 @@ For example:
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// Write some text to the clipboard
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if (wxTheClipboard->Open())
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{
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// This object is held by the clipboard, so do not delete it in the app.
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wxTextDataObject* object = new wxTextDataObject("Some text");
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wxTheClipboard->SetData(& object);
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// This data objects are held by the clipboard,
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// so do not delete them in the app.
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wxTheClipboard->AddData( new wxTextDataObject("Some text") );
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wxTheClipboard->Close();
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}
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// Read some text
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if (wxTheClipboard->Open() && wxTheClipboard->IsSupportedFormat(wxDF_TEXT))
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if (wxTheClipboard->Open())
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{
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wxTextDataObject object;
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wxTheClipboard->GetData(& object);
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wxTextDataObject data;
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if (wxTheClipboard->IsSupported(data))
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{
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wxTheClipboard->GetData(data);
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wxMessageBox(data.GetText());
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}
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wxTheClipboard->Close();
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wxMessageBox(object.GetText());
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}
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\end{verbatim}
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@ -56,6 +58,13 @@ Constructor.
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Destructor.
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\membersection{wxClipboard::AddData}\label{wxclipboardadddata}
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\func{bool}{AddData}{\param{wxDataObject*}{ data}}
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Call this function to add a data object to the clipboard. This function can be called several times
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to put different formats on the clipboard.
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\membersection{wxClipboard::Clear}\label{wxclipboardclear}
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\func{void}{Clear}{\void}
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@ -66,26 +75,20 @@ Clears the global clipboard object and the system's clipboard if possible.
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\func{bool}{Close}{\void}
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Call this function to close the clipboard, having opened it with \helpref{wxClipboard::Close}{wxclipboardclose}.
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Call this function to close the clipboard, having opened it with \helpref{wxClipboard::Open}{wxclipboardopen}.
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\membersection{wxClipboard::GetData}\label{wxclipboardgetdata}
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\func{bool}{GetData}{\param{wxDataObject*}{ data}}
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\func{bool}{GetData}{\param{wxDataObject&}{ data}}
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Call this function to fill {\it data} with data on the clipboard, if available in the required
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format.
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format. Returns TRUE on success.
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\membersection{wxClipboard::IsSupportedFormat}\label{wxclipboardissupportedformat}
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\membersection{wxClipboard::IsSupported}\label{wxclipboardissupported}
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\func{bool}{IsSupportedFormat}{\param{wxDataFormat}{ format}, \param{const wxString\&}{ id = ""}}
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\func{bool}{IsSupported}{\param{wxDataObject&}{ data}}
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Returns TRUE if the given format is available on the clipboard.
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\wxheading{Parameters}
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\docparam{format}{The format. See \helpref{wxDataObject}{wxdataobject} for a list of formats.}
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\docparam{id}{ If {\it format} is wxDF\_PRIVATE, {\it id} is the identifier of the private data format.}
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Returns TRUE if the format of the given data object is available on the clipboard.
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\membersection{wxClipboard::Open}\label{wxclipboardopen}
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@ -97,10 +100,13 @@ and \helpref{wxClipboard::GetData}{wxclipboardgetdata}.
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Call \helpref{wxClipboard::Close}{wxclipboardclose} when you have finished with the clipboard. You
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should keep the clipboard open for only a very short time.
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\membersection{wxClipboard::SetData}\label{wxclipboardsetdata}
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Returns TRUE on success. This should be tested (as in the sample shown above).
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\membersection{wxClipboard::SetData}\label{wxclipboardadddata}
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\func{bool}{SetData}{\param{wxDataObject*}{ data}}
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Call this function to set a data object to the clipboard. This function can be called several times
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to put different formats on the clipboard.
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Call this function to set the data object to the clipboard. This function will
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clear all previous contents in the clipboard, so calling it several times
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does not make any sense.
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@ -305,9 +305,6 @@ WXDLLEXPORT_DATA(extern wxBrush) wxNullBrush;
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WXDLLEXPORT_DATA(extern wxPalette) wxNullPalette;
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WXDLLEXPORT_DATA(extern wxFont) wxNullFont;
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WXDLLEXPORT_DATA(extern wxColour) wxNullColour;
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#ifdef __WXGTK__
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WXDLLEXPORT_DATA(extern wxRegion) wxNullRegion;
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#endif
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// Stock cursors types
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WXDLLEXPORT_DATA(extern wxCursor*) wxSTANDARD_CURSOR;
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@ -57,11 +57,17 @@ public:
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/* close the clipboard after SetData() and GetData() */
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virtual void Close();
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/* set the clipboard data. the clipboard will delete the broker later */
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virtual bool SetData( wxDataBroker *data );
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/* set the clipboard data. all other formats will be deleted. */
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virtual bool SetData( wxDataObject *data );
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/* add to the clipboard data. */
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virtual bool AddData( wxDataObject *data );
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/* ask if data in correct format is available */
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virtual bool IsSupported( wxDataObject &data );
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/* fill data with data on the clipboard (if available) */
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virtual bool GetData( wxDataObject *data );
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virtual bool GetData( wxDataObject &data );
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/* clears wxTheClipboard and the system's clipboard if possible */
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virtual void Clear();
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@ -57,11 +57,17 @@ public:
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/* close the clipboard after SetData() and GetData() */
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virtual void Close();
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/* set the clipboard data. the clipboard will delete the broker later */
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virtual bool SetData( wxDataBroker *data );
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/* set the clipboard data. all other formats will be deleted. */
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virtual bool SetData( wxDataObject *data );
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/* add to the clipboard data. */
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virtual bool AddData( wxDataObject *data );
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/* ask if data in correct format is available */
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virtual bool IsSupported( wxDataObject &data );
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/* fill data with data on the clipboard (if available) */
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virtual bool GetData( wxDataObject *data );
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virtual bool GetData( wxDataObject &data );
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/* clears wxTheClipboard and the system's clipboard if possible */
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virtual void Clear();
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@ -482,7 +482,7 @@ MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h ) :
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// panel->SetForegroundColour("blue");
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m_radio = new wxRadioBox( panel, ID_RADIOBOX, "That", wxPoint(10,160), wxSize(-1,-1), 2, choices2, 1, wxRA_SPECIFY_ROWS );
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// m_radio->SetBackgroundColour("wheat");
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m_radio = new wxRadioBox( panel, ID_RADIOBOX, "This", wxPoint(10,10), wxSize(-1,-1), 5, choices, 1, wxRA_SPECIFY_COLS );
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m_radio = new wxRadioBox( panel, ID_RADIOBOX, "This", wxPoint(10,10), wxSize(-1,-1), 5, choices, 2, wxRA_SPECIFY_COLS );
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// m_radio->SetBackgroundColour("wheat");
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(void)new wxButton( panel, ID_RADIOBOX_SEL_NUM, "Select #2", wxPoint(180,30), wxSize(140,30) );
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(void)new wxButton( panel, ID_RADIOBOX_SEL_STR, "Select 'This'", wxPoint(180,80), wxSize(140,30) );
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@ -547,24 +547,31 @@ void MyPanel::OnPasteFromClipboard( wxCommandEvent &WXUNUSED(event) )
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*m_text << "Successfully opened the clipboard." << "\n";
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}
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wxTextDataObject *data = new wxTextDataObject();
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wxTextDataObject data;
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if (wxTheClipboard->GetData( data ))
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if (wxTheClipboard->IsSupported( data ))
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{
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*m_text << "Successfully retrieved data from the clipboard." << "\n";
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*m_multitext << data->GetText() << "\n";
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*m_text << "Clipboard supports requested format." << "\n";
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if (wxTheClipboard->GetData( data ))
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{
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*m_text << "Successfully retrieved data from the clipboard." << "\n";
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*m_multitext << data.GetText() << "\n";
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}
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else
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{
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*m_text << "Error getting data from the clipboard." << "\n";
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}
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}
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else
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{
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*m_text << "Error getting data from the clipboard." << "\n";
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*m_text << "Clipboard doesn't support requested format." << "\n";
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}
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wxTheClipboard->Close();
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*m_text << "Closed the clipboard." << "\n";
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delete data;
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#endif
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}
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@ -588,10 +595,8 @@ void MyPanel::OnCopyToClipboard( wxCommandEvent &WXUNUSED(event) )
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}
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wxTextDataObject *data = new wxTextDataObject( text );
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wxDataBroker *broker = new wxDataBroker();
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broker->Add( data );
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if (!wxTheClipboard->SetData( broker ))
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if (!wxTheClipboard->SetData( data ))
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{
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*m_text << "Error while copying to the clipboard." << "\n";
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}
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@ -344,68 +344,74 @@ bool wxClipboard::Open()
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return TRUE;
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}
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bool wxClipboard::SetData( wxDataBroker *data )
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bool wxClipboard::SetData( wxDataObject *data )
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{
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wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
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wxCHECK_MSG( data, FALSE, "data is invalid" );
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Clear();
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m_dataBroker = data;
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if (!m_dataBroker) return FALSE;
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return AddData( data );
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}
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bool wxClipboard::AddData( wxDataObject *data )
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{
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wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
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wxNode *node = m_dataBroker->m_dataObjects.First();
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while (node)
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{
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wxDataObject *dobj = (wxDataObject*)node->Data();
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GdkAtom format = dobj->GetFormat().GetAtom();
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if (format != (GdkAtom) 0)
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{
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/* This should happen automatically */
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m_ownsClipboard = FALSE;
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m_ownsPrimarySelection = FALSE;
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wxCHECK_MSG( data, FALSE, "data is invalid" );
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/* Add handlers if someone requests data */
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/* if clipboard has been cleared before, create new data broker */
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gtk_selection_add_handler( m_clipboardWidget,
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if (!m_dataBroker) m_dataBroker = new wxDataBroker();
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/* add new data to list of offered data objects */
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m_dataBroker->Add( data );
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/* get native format id of new data object */
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GdkAtom format = data->GetFormat().GetAtom();
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wxCHECK_MSG( format, FALSE, "data has invalid format" );
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/* This should happen automatically, but to be on the safe side */
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m_ownsClipboard = FALSE;
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m_ownsPrimarySelection = FALSE;
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/* Add handlers if someone requests data */
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gtk_selection_add_handler( m_clipboardWidget,
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g_clipboardAtom,
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format,
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selection_handler,
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(gpointer) NULL );
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gtk_selection_add_handler( m_clipboardWidget,
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gtk_selection_add_handler( m_clipboardWidget,
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GDK_SELECTION_PRIMARY,
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format,
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selection_handler,
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(gpointer) NULL );
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/* Tell the world we offer clipboard data */
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/* Tell the world we offer clipboard data */
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if (!gtk_selection_owner_set( m_clipboardWidget,
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if (!gtk_selection_owner_set( m_clipboardWidget,
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g_clipboardAtom,
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GDK_CURRENT_TIME ))
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{
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return FALSE;
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}
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m_ownsClipboard = TRUE;
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{
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return FALSE;
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}
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m_ownsClipboard = TRUE;
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if (!gtk_selection_owner_set( m_clipboardWidget,
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if (!gtk_selection_owner_set( m_clipboardWidget,
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GDK_SELECTION_PRIMARY,
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GDK_CURRENT_TIME ))
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{
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return FALSE;
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}
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m_ownsPrimarySelection = TRUE;
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}
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node = node->Next();
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{
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return FALSE;
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}
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m_ownsPrimarySelection = TRUE;
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return TRUE;
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}
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@ -416,22 +422,16 @@ void wxClipboard::Close()
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m_open = FALSE;
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}
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bool wxClipboard::GetData( wxDataObject *data )
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bool wxClipboard::IsSupported( wxDataObject &data )
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{
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wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
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m_receivedData = data;
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/* store requested format to be asked for by callbacks */
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wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
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/* STEP ONE: check if there is such data in the clipboard */
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m_targetRequested = data->GetFormat().GetAtom();
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m_targetRequested = data.GetFormat().GetAtom();
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wxCHECK_MSG( m_targetRequested, FALSE, "invalid clipboard format" );
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if (m_targetRequested == 0) return FALSE;
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/* add handler for target (= format) query */
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gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
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@ -454,8 +454,29 @@ bool wxClipboard::GetData( wxDataObject *data )
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(gpointer) this );
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if (!m_formatSupported) return FALSE;
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return TRUE;
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}
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bool wxClipboard::GetData( wxDataObject &data )
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{
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wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
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/* is data supported by clipboard ? */
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if (!IsSupported( data )) return FALSE;
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/* store pointer to data object to be filled up by callbacks */
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m_receivedData = &data;
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/* store requested format to be asked for by callbacks */
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m_targetRequested = data.GetFormat().GetAtom();
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/* STEP TWO: get the data from the clipboard */
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wxCHECK_MSG( m_targetRequested, FALSE, "invalid clipboard format" );
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/* start query */
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m_formatSupported = FALSE;
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@ -464,6 +485,8 @@ bool wxClipboard::GetData( wxDataObject *data )
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GTK_SIGNAL_FUNC( selection_received ),
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(gpointer) this );
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/* ask for clipboard contents */
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gtk_selection_convert( m_clipboardWidget,
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g_clipboardAtom,
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m_targetRequested,
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@ -124,7 +124,6 @@ wxBrush wxNullBrush;
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wxFont wxNullFont;
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wxColour wxNullColour;
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wxPalette wxNullPalette;
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wxRegion wxNullRegion;
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/* Default window names */
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const char *wxButtonNameStr = "button";
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@ -344,68 +344,74 @@ bool wxClipboard::Open()
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return TRUE;
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}
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bool wxClipboard::SetData( wxDataBroker *data )
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bool wxClipboard::SetData( wxDataObject *data )
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{
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wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
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wxCHECK_MSG( data, FALSE, "data is invalid" );
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Clear();
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m_dataBroker = data;
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if (!m_dataBroker) return FALSE;
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return AddData( data );
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}
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bool wxClipboard::AddData( wxDataObject *data )
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{
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wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
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wxNode *node = m_dataBroker->m_dataObjects.First();
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while (node)
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{
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wxDataObject *dobj = (wxDataObject*)node->Data();
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GdkAtom format = dobj->GetFormat().GetAtom();
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if (format != (GdkAtom) 0)
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{
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/* This should happen automatically */
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m_ownsClipboard = FALSE;
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m_ownsPrimarySelection = FALSE;
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wxCHECK_MSG( data, FALSE, "data is invalid" );
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/* Add handlers if someone requests data */
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/* if clipboard has been cleared before, create new data broker */
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gtk_selection_add_handler( m_clipboardWidget,
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if (!m_dataBroker) m_dataBroker = new wxDataBroker();
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/* add new data to list of offered data objects */
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m_dataBroker->Add( data );
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/* get native format id of new data object */
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GdkAtom format = data->GetFormat().GetAtom();
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wxCHECK_MSG( format, FALSE, "data has invalid format" );
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/* This should happen automatically, but to be on the safe side */
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m_ownsClipboard = FALSE;
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m_ownsPrimarySelection = FALSE;
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/* Add handlers if someone requests data */
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gtk_selection_add_handler( m_clipboardWidget,
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g_clipboardAtom,
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format,
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selection_handler,
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(gpointer) NULL );
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gtk_selection_add_handler( m_clipboardWidget,
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gtk_selection_add_handler( m_clipboardWidget,
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GDK_SELECTION_PRIMARY,
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format,
|
||||
selection_handler,
|
||||
(gpointer) NULL );
|
||||
|
||||
/* Tell the world we offer clipboard data */
|
||||
/* Tell the world we offer clipboard data */
|
||||
|
||||
if (!gtk_selection_owner_set( m_clipboardWidget,
|
||||
if (!gtk_selection_owner_set( m_clipboardWidget,
|
||||
g_clipboardAtom,
|
||||
GDK_CURRENT_TIME ))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
m_ownsClipboard = TRUE;
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
m_ownsClipboard = TRUE;
|
||||
|
||||
if (!gtk_selection_owner_set( m_clipboardWidget,
|
||||
if (!gtk_selection_owner_set( m_clipboardWidget,
|
||||
GDK_SELECTION_PRIMARY,
|
||||
GDK_CURRENT_TIME ))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
m_ownsPrimarySelection = TRUE;
|
||||
}
|
||||
|
||||
node = node->Next();
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
m_ownsPrimarySelection = TRUE;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
@ -416,22 +422,16 @@ void wxClipboard::Close()
|
||||
m_open = FALSE;
|
||||
}
|
||||
|
||||
bool wxClipboard::GetData( wxDataObject *data )
|
||||
bool wxClipboard::IsSupported( wxDataObject &data )
|
||||
{
|
||||
wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
|
||||
|
||||
m_receivedData = data;
|
||||
/* store requested format to be asked for by callbacks */
|
||||
|
||||
wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" );
|
||||
|
||||
/* STEP ONE: check if there is such data in the clipboard */
|
||||
|
||||
m_targetRequested = data->GetFormat().GetAtom();
|
||||
m_targetRequested = data.GetFormat().GetAtom();
|
||||
|
||||
wxCHECK_MSG( m_targetRequested, FALSE, "invalid clipboard format" );
|
||||
|
||||
if (m_targetRequested == 0) return FALSE;
|
||||
|
||||
/* add handler for target (= format) query */
|
||||
|
||||
gtk_signal_connect( GTK_OBJECT(m_clipboardWidget),
|
||||
@ -454,8 +454,29 @@ bool wxClipboard::GetData( wxDataObject *data )
|
||||
(gpointer) this );
|
||||
|
||||
if (!m_formatSupported) return FALSE;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
bool wxClipboard::GetData( wxDataObject &data )
|
||||
{
|
||||
wxCHECK_MSG( m_open, FALSE, "clipboard not open" );
|
||||
|
||||
/* is data supported by clipboard ? */
|
||||
|
||||
if (!IsSupported( data )) return FALSE;
|
||||
|
||||
/* store pointer to data object to be filled up by callbacks */
|
||||
|
||||
m_receivedData = &data;
|
||||
|
||||
/* store requested format to be asked for by callbacks */
|
||||
|
||||
m_targetRequested = data.GetFormat().GetAtom();
|
||||
|
||||
/* STEP TWO: get the data from the clipboard */
|
||||
wxCHECK_MSG( m_targetRequested, FALSE, "invalid clipboard format" );
|
||||
|
||||
/* start query */
|
||||
|
||||
m_formatSupported = FALSE;
|
||||
|
||||
@ -464,6 +485,8 @@ bool wxClipboard::GetData( wxDataObject *data )
|
||||
GTK_SIGNAL_FUNC( selection_received ),
|
||||
(gpointer) this );
|
||||
|
||||
/* ask for clipboard contents */
|
||||
|
||||
gtk_selection_convert( m_clipboardWidget,
|
||||
g_clipboardAtom,
|
||||
m_targetRequested,
|
||||
|
||||
@ -124,7 +124,6 @@ wxBrush wxNullBrush;
|
||||
wxFont wxNullFont;
|
||||
wxColour wxNullColour;
|
||||
wxPalette wxNullPalette;
|
||||
wxRegion wxNullRegion;
|
||||
|
||||
/* Default window names */
|
||||
const char *wxButtonNameStr = "button";
|
||||
|
||||
Loading…
Reference in New Issue
Block a user