X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ac57418f39e9671c18b99942180563146625d3ae..cce4b3fe2b05e1d928d7a5930c33c624b2f3a667:/src/gtk1/clipbrd.cpp diff --git a/src/gtk1/clipbrd.cpp b/src/gtk1/clipbrd.cpp index 8390bc65f2..11096c3a4c 100644 --- a/src/gtk1/clipbrd.cpp +++ b/src/gtk1/clipbrd.cpp @@ -13,7 +13,7 @@ #include "wx/clipbrd.h" -#ifdef wxUSE_CLIPBOARD +#if wxUSE_CLIPBOARD #include "glib.h" #include "gdk/gdk.h" @@ -104,12 +104,12 @@ selection_received( GtkWidget *WXUNUSED(widget), // make sure we got the data in the correct format - if (data_object->m_formatAtom != selection_data->target) return; + if (data_object->GetFormat().GetAtom() != selection_data->target) return; // make sure we got the data in the correct form (selection type). // if so, copy data to target object - switch (data_object->GetFormat()) + switch (data_object->GetFormat().GetType()) { case wxDF_TEXT: { @@ -179,10 +179,13 @@ selection_clear_clip( GtkWidget *WXUNUSED(widget), GdkEventSelection *event ) if ((!wxTheClipboard->m_ownsPrimarySelection) && (!wxTheClipboard->m_ownsClipboard)) { - // the clipboard is no longer in our hands. we can the - // clipboard data. - - wxTheClipboard->m_dataObjects.Clear(); + /* the clipboard is no longer in our hands. we can the clipboard data. */ + + if (wxTheClipboard->m_dataBroker) + { + delete wxTheClipboard->m_dataBroker; + wxTheClipboard->m_dataBroker = (wxDataBroker*) NULL; + } } return TRUE; @@ -197,19 +200,21 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data { if (!wxTheClipboard) return; - wxNode *node = wxTheClipboard->m_dataObjects.First(); + if (!wxTheClipboard->m_dataBroker) return; + + wxNode *node = wxTheClipboard->m_dataBroker->m_dataObjects.First(); while (node) { wxDataObject *data_object = (wxDataObject *)node->Data(); - if (data_object->m_formatAtom != selection_data->target) + if (data_object->GetFormat().GetAtom() != selection_data->target) { node = node->Next(); break; } - switch (data_object->GetFormat()) + switch (data_object->GetFormat().GetType()) { case wxDF_TEXT: { @@ -243,14 +248,14 @@ selection_handler( GtkWidget *WXUNUSED(widget), GtkSelectionData *selection_data { wxPrivateDataObject *private_object = (wxPrivateDataObject*) data_object; - if (private_object->GetDataSize() == 0) return; + if (private_object->GetSize() == 0) return; gtk_selection_data_set( selection_data, GDK_SELECTION_TYPE_STRING, 8*sizeof(gchar), (unsigned char*) private_object->GetData(), - (int) private_object->GetDataSize() ); + (int) private_object->GetSize() ); } default: @@ -274,7 +279,7 @@ wxClipboard::wxClipboard() m_ownsClipboard = FALSE; m_ownsPrimarySelection = FALSE; - m_dataObjects.DeleteContents( TRUE ); + m_dataBroker = (wxDataBroker*) NULL; m_receivedData = (wxDataObject*) NULL; @@ -303,7 +308,7 @@ wxClipboard::~wxClipboard() void wxClipboard::Clear() { - if (m_dataObjects.GetCount()) + if (m_dataBroker) { /* As we have data we also own the clipboard. Once we no longer own it, clear_selection is called which will set m_data to zero */ @@ -318,7 +323,11 @@ void wxClipboard::Clear() gtk_selection_owner_set( (GtkWidget*) NULL, GDK_SELECTION_PRIMARY, GDK_CURRENT_TIME ); } - m_dataObjects.Clear(); + if (m_dataBroker) + { + delete m_dataBroker; + m_dataBroker = (wxDataBroker*) NULL; + } } m_targetRequested = 0; @@ -335,79 +344,67 @@ bool wxClipboard::Open() return TRUE; } -bool wxClipboard::SetData( wxDataObject *data ) +bool wxClipboard::SetData( wxDataBroker *data ) { wxCHECK_MSG( data, FALSE, "data is invalid" ); - wxNode *node = m_dataObjects.First(); - - while (node) - { - wxDataObject *d = (wxDataObject*)node->Data(); - - if (d->GetFormat() == data->GetFormat()) - { - m_dataObjects.DeleteNode( node ); - - break; - } - - node = node->Next(); - } + Clear(); + + m_dataBroker = data; - m_dataObjects.Append( data ); + if (!m_dataBroker) return FALSE; wxCHECK_MSG( m_open, FALSE, "clipboard not open" ); - if (data->GetFormat() == wxDF_PRIVATE) + wxNode *node = m_dataBroker->m_dataObjects.First(); + while (node) { - wxPrivateDataObject* pd = (wxPrivateDataObject*) data; + wxDataObject *dobj = (wxDataObject*)node->Data(); - wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" ); + GdkAtom format = dobj->GetFormat().GetAtom(); - data->m_formatAtom = GetTargetAtom( data->GetFormat(), pd->GetId() ); - } - else - { - data->m_formatAtom = GetTargetAtom( data->GetFormat() ); - } - - // This should happen automatically + if (format != (GdkAtom) 0) + { + /* This should happen automatically */ - m_ownsClipboard = FALSE; - m_ownsPrimarySelection = FALSE; + m_ownsClipboard = FALSE; + m_ownsPrimarySelection = FALSE; - // Add handlers if someone requests data + /* Add handlers if someone requests data */ - gtk_selection_add_handler( m_clipboardWidget, + gtk_selection_add_handler( m_clipboardWidget, g_clipboardAtom, - data->m_formatAtom, + format, selection_handler, - NULL ); + (gpointer) NULL ); - gtk_selection_add_handler( m_clipboardWidget, + gtk_selection_add_handler( m_clipboardWidget, GDK_SELECTION_PRIMARY, - data->m_formatAtom, + format, selection_handler, - NULL ); + (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; + { + return FALSE; + } + m_ownsPrimarySelection = TRUE; + } + + node = node->Next(); } - m_ownsPrimarySelection = TRUE; return TRUE; } @@ -419,13 +416,23 @@ void wxClipboard::Close() m_open = FALSE; } -bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id ) +bool wxClipboard::GetData( wxDataObject *data ) { - m_targetRequested = GetTargetAtom( format, id ); + wxCHECK_MSG( m_open, FALSE, "clipboard not open" ); + + m_receivedData = data; + + wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" ); + + /* STEP ONE: check if there is such data in the clipboard */ + + 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 + /* add handler for target (= format) query */ gtk_signal_connect( GTK_OBJECT(m_clipboardWidget), "selection_received", @@ -434,8 +441,8 @@ bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id ) m_formatSupported = FALSE; - // perform query. this will set m_formatSupported to - // TRUE if m_targetRequested is supported + /* perform query. this will set m_formatSupported to + * TRUE if m_targetRequested is supported */ gtk_selection_convert( m_clipboardWidget, g_clipboardAtom, @@ -448,34 +455,8 @@ bool wxClipboard::IsSupportedFormat( wxDataFormat format, const wxString &id ) if (!m_formatSupported) return FALSE; - return TRUE; -} - -bool wxClipboard::GetData( wxDataObject *data ) -{ - wxCHECK_MSG( m_open, FALSE, "clipboard not open" ); - - m_receivedData = data; - - wxCHECK_MSG( m_receivedData, FALSE, "invalid data object" ); + /* STEP TWO: get the data from the clipboard */ - if (m_receivedData->GetFormat() == wxDF_PRIVATE) - { - wxPrivateDataObject* pd = (wxPrivateDataObject*) m_receivedData; - - wxCHECK_MSG( !pd->GetId().IsEmpty(), FALSE, "private clipboard format requires ID string" ); - - m_targetRequested = GetTargetAtom( m_receivedData->GetFormat(), pd->GetId() ); - } - else - { - m_targetRequested = GetTargetAtom( m_receivedData->GetFormat() ); - } - - data->m_formatAtom = m_targetRequested; - - wxCHECK_MSG( m_targetRequested, FALSE, "unsupported clipboard format" ); - m_formatSupported = FALSE; gtk_signal_connect( GTK_OBJECT(m_clipboardWidget), @@ -492,45 +473,13 @@ bool wxClipboard::GetData( wxDataObject *data ) GTK_SIGNAL_FUNC( selection_received ), (gpointer) this ); + /* this is a true error as we checked for the presence of such data before */ + wxCHECK_MSG( m_formatSupported, FALSE, "error retrieving data from clipboard" ); return TRUE; } -GdkAtom wxClipboard::GetTargetAtom( wxDataFormat format, const wxString &id ) -{ - // What is X representation of that format? - - switch (format) - { - case wxDF_TEXT: - { - return GDK_TARGET_STRING; - // g_textAtom - } - - case wxDF_BITMAP: - { - return GDK_TARGET_BITMAP; - break; - } - - case wxDF_PRIVATE: - { - // we create our own X representation - - return gdk_atom_intern( WXSTRINGCAST( id ), FALSE ); - } - - default: - { - return (GdkAtom) 0; - } - } - - return (GdkAtom) 0; -} - //----------------------------------------------------------------------------- // wxClipboardModule //-----------------------------------------------------------------------------