X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7b5d569973c2bf329a666c38e1612ca836695576..8535af00e277ee89c877e9cb3ac357791119f497:/src/gtk1/dnd.cpp?ds=inline diff --git a/src/gtk1/dnd.cpp b/src/gtk1/dnd.cpp index cd2143caa4..f1b6bf43e6 100644 --- a/src/gtk1/dnd.cpp +++ b/src/gtk1/dnd.cpp @@ -21,12 +21,12 @@ #include "wx/intl.h" #include "wx/utils.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#include "gdk/gdkprivate.h" +#include +#include +#include -#include "gtk/gtkdnd.h" -#include "gtk/gtkselection.h" +#include +#include //----------------------------------------------------------------------------- // idle system @@ -147,8 +147,11 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget), this is only valid for the duration of this call */ drop_target->SetDragContext( context ); - wxDragResult result = wxDragMove; - if (context->suggested_action == GDK_ACTION_COPY) result = wxDragCopy; + wxDragResult result; + if ( context->suggested_action == GDK_ACTION_COPY ) + result = wxDragCopy; + else + result = wxDragMove; if (drop_target->m_firstMotion) { @@ -161,11 +164,15 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget), result = drop_target->OnDragOver( x, y, result ); } - bool ret = result != wxDragNone; + bool ret = wxIsDragResultOk( result ); if (ret) { - GdkDragAction action = GDK_ACTION_MOVE; - if (result == wxDragCopy) action = GDK_ACTION_COPY; + GdkDragAction action; + if (result == wxDragCopy) + action = GDK_ACTION_COPY; + else + action = GDK_ACTION_MOVE; + gdk_drag_status( context, action, time ); } @@ -223,8 +230,8 @@ static gboolean target_drag_drop( GtkWidget *widget, if (!ret) { - wxLogDebug( wxT( "Drop target: OnDrop returned TRUE") ); - + wxLogDebug( wxT( "Drop target: OnDrop returned FALSE") ); + /* cancel the whole thing */ gtk_drag_finish( context, FALSE, /* no success */ @@ -234,7 +241,7 @@ static gboolean target_drag_drop( GtkWidget *widget, else { wxLogDebug( wxT( "Drop target: OnDrop returned TRUE") ); - + #if wxUSE_THREADS /* disable GUI threads */ wxapp_uninstall_thread_wakeup(); @@ -242,11 +249,11 @@ static gboolean target_drag_drop( GtkWidget *widget, GdkAtom format = drop_target->GetMatchingPair(); wxASSERT( format ); - + /* GdkDragAction action = GDK_ACTION_MOVE; - if (result == wxDragCopy) action == GDK_ACTION_COPY; - context->action = action; + if (result == wxDragCopy) action == GDK_ACTION_COPY; + context->action = action; */ /* this should trigger an "drag_data_received" event */ gtk_drag_get_data( widget, @@ -290,7 +297,6 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget), /* Owen Taylor: "call gtk_drag_finish() with success == TRUE" */ - if ((data->length <= 0) || (data->format != 8)) { /* negative data length and non 8-bit data format @@ -301,22 +307,28 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget), } wxLogDebug( wxT( "Drop target: data received event") ); - + /* inform the wxDropTarget about the current GtkSelectionData. this is only valid for the duration of this call */ drop_target->SetDragData( data ); - if (drop_target->OnData( x, y )) + wxDragResult result; + if ( context->suggested_action == GDK_ACTION_COPY ) + result = wxDragCopy; + else + result = wxDragMove; + + if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) ) { wxLogDebug( wxT( "Drop target: OnData returned TRUE") ); - + /* tell GTK that data transfer was successfull */ gtk_drag_finish( context, TRUE, FALSE, time ); } else { wxLogDebug( wxT( "Drop target: OnData returned FALSE") ); - + /* tell GTK that data transfer was not successfull */ gtk_drag_finish( context, FALSE, FALSE, time ); } @@ -329,8 +341,8 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget), // wxDropTarget //---------------------------------------------------------------------------- -wxDropTarget::wxDropTarget( wxDataObject *data ) - : wxDropTargetBase( data ) +wxDropTarget::wxDropTarget( wxDataObject *data ) + : wxDropTargetBase( data ) { m_firstMotion = TRUE; m_dragContext = (GdkDragContext*) NULL; @@ -343,7 +355,7 @@ wxDragResult wxDropTarget::OnDragOver( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxDragResult def ) { - // GetMatchingPair() checks for m_dataObject too, no need to do it here + // GetMatchingPair() checks for m_dataObject too, no need to do it here // disable the debug message from GetMatchingPair() - there are too many // of them otherwise @@ -358,27 +370,28 @@ bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) ) { if (!m_dataObject) return FALSE; - + return (GetMatchingPair() != (GdkAtom) 0); } -bool wxDropTarget::OnData( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) ) +wxDragResult wxDropTarget::OnData( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), + wxDragResult def ) { if (!m_dataObject) - return FALSE; - + return wxDragNone; + if (GetMatchingPair() == (GdkAtom) 0) - return FALSE; - - return GetData(); + return wxDragNone; + + return GetData() ? def : wxDragNone; } GdkAtom wxDropTarget::GetMatchingPair() { - if (!m_dataObject) + if (!m_dataObject) return (GdkAtom) 0; - if (!m_dragContext) + if (!m_dragContext) return (GdkAtom) 0; GList *child = m_dragContext->targets; @@ -388,8 +401,7 @@ GdkAtom wxDropTarget::GetMatchingPair() wxDataFormat format( formatAtom ); #ifdef __WXDEBUG__ - char *name = gdk_atom_name( formatAtom ); - wxLogDebug("Drop target: drag has format: %s", name ? name : "unnamed"); + wxLogDebug( wxT("Drop target: drag has format: %s"), format.GetId().c_str() ); #endif // Debug if (m_dataObject->IsSupportedFormat( format )) @@ -403,31 +415,17 @@ GdkAtom wxDropTarget::GetMatchingPair() bool wxDropTarget::GetData() { - if (!m_dragData) + if (!m_dragData) return FALSE; - if (!m_dataObject) + if (!m_dataObject) return FALSE; wxDataFormat dragFormat( m_dragData->target ); - + if (!m_dataObject->IsSupportedFormat( dragFormat )) return FALSE; - if (dragFormat.GetType() == wxDF_TEXT) - { - wxTextDataObject *text_object = (wxTextDataObject*)m_dataObject; - text_object->SetText( (const char*)m_dragData->data ); - return TRUE; - } - - if (dragFormat.GetType() == wxDF_FILENAME) - { - wxFileDataObject *file_object = (wxFileDataObject*)m_dataObject; - file_object->SetData( 0, (const char*)m_dragData->data ); - return TRUE; - } - m_dataObject->SetData( dragFormat, (size_t)m_dragData->length, (const void*)m_dragData->data ); return TRUE; @@ -485,48 +483,13 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget ) GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this ); } -// ---------------------------------------------------------------------------- -// wxTextDropTarget -// ---------------------------------------------------------------------------- - -wxTextDropTarget::wxTextDropTarget() - : wxDropTarget(new wxTextDataObject) -{ -} - -bool wxTextDropTarget::OnData(wxCoord x, wxCoord y) -{ - if ( !GetData() ) - return FALSE; - - return OnDropText(x, y, ((wxTextDataObject *)m_dataObject)->GetText()); -} - -// ---------------------------------------------------------------------------- -// wxFileDropTarget -// ---------------------------------------------------------------------------- - -wxFileDropTarget::wxFileDropTarget() - : wxDropTarget(new wxFileDataObject) -{ -} - -bool wxFileDropTarget::OnData(wxCoord x, wxCoord y) -{ - if ( !GetData() ) - return FALSE; - - return OnDropFiles(x, y, - ((wxFileDataObject *)m_dataObject)->GetFilenames()); -} - //---------------------------------------------------------------------------- // "drag_data_get" //---------------------------------------------------------------------------- static void source_drag_data_get (GtkWidget *WXUNUSED(widget), - GdkDragContext *context, + GdkDragContext *WXUNUSED(context), GtkSelectionData *selection_data, guint WXUNUSED(info), guint WXUNUSED(time), @@ -535,11 +498,11 @@ source_drag_data_get (GtkWidget *WXUNUSED(widget), if (g_isIdle) wxapp_install_idle_handler(); wxDataFormat format( selection_data->target ); - - wxLogDebug( wxT("Drop source: format requested: %s"), format.GetId().c_str() ); - drop_source->m_retValue = wxDragCancel; + wxLogDebug( wxT("Drop source: format requested: %s"), format.GetId().c_str() ); + drop_source->m_retValue = wxDragCancel; + wxDataObject *data = drop_source->GetDataObject(); if (!data) @@ -559,13 +522,13 @@ source_drag_data_get (GtkWidget *WXUNUSED(widget), wxLogDebug( wxT("Drop source: empty data") ); return; } - + size_t size = data->GetDataSize(format); // printf( "data size: %d.\n", (int)data_size ); guchar *d = new guchar[size]; - + if (!data->GetDataHere( format, (void*)d )) { delete[] d; @@ -589,9 +552,6 @@ source_drag_data_get (GtkWidget *WXUNUSED(widget), #endif delete[] d; - - /* so far only copy, no moves. TODO. */ - drop_source->m_retValue = wxDragCopy; } //---------------------------------------------------------------------------- @@ -600,13 +560,12 @@ source_drag_data_get (GtkWidget *WXUNUSED(widget), static void source_drag_data_delete( GtkWidget *WXUNUSED(widget), GdkDragContext *WXUNUSED(context), - wxDropSource *drop_source ) + wxDropSource *WXUNUSED(drop_source) ) { - if (g_isIdle) wxapp_install_idle_handler(); - -// printf( "Delete the data!\n" ); + if (g_isIdle) + wxapp_install_idle_handler(); - drop_source->m_retValue = wxDragMove; + // printf( "Drag source: drag_data_delete\n" ); } //---------------------------------------------------------------------------- @@ -617,9 +576,10 @@ static void source_drag_begin( GtkWidget *WXUNUSED(widget), GdkDragContext *WXUNUSED(context), wxDropSource *WXUNUSED(drop_source) ) { - if (g_isIdle) wxapp_install_idle_handler(); + if (g_isIdle) + wxapp_install_idle_handler(); -// printf( "drag_begin.\n" ); + // printf( "Drag source: drag_begin.\n" ); } //---------------------------------------------------------------------------- @@ -632,7 +592,7 @@ static void source_drag_end( GtkWidget *WXUNUSED(widget), { if (g_isIdle) wxapp_install_idle_handler(); -// printf( "drag_end.\n" ); + // printf( "Drag source: drag_end.\n" ); drop_source->m_waiting = FALSE; } @@ -641,18 +601,18 @@ static void source_drag_end( GtkWidget *WXUNUSED(widget), // "configure_event" from m_iconWindow //----------------------------------------------------------------------------- -static gint +static gint gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source ) { - if (g_isIdle) + if (g_isIdle) wxapp_install_idle_handler(); wxDragResult action = wxDragNone; if (source->m_dragContext->action == GDK_ACTION_COPY) action = wxDragCopy; if (source->m_dragContext->action == GDK_ACTION_MOVE) action = wxDragMove; - source->GiveFeedback( action, FALSE ); - + source->GiveFeedback( action ); + return 0; } @@ -662,11 +622,10 @@ gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigur wxDropSource::wxDropSource( wxWindow *win, const wxIcon &icon ) { - g_blockEventsOnDrag = TRUE; m_waiting = TRUE; m_iconWindow = (GtkWidget*) NULL; - + m_window = win; m_widget = win->m_widget; if (win->m_wxwindow) m_widget = win->m_wxwindow; @@ -680,15 +639,15 @@ wxDropSource::wxDropSource( wxWindow *win, const wxIcon &icon ) wxDropSource::wxDropSource( wxDataObject& data, wxWindow *win, const wxIcon &icon ) { m_waiting = TRUE; - + SetData( data ); m_iconWindow = (GtkWidget*) NULL; - + m_window = win; m_widget = win->m_widget; if (win->m_wxwindow) m_widget = win->m_wxwindow; - + m_retValue = wxDragCancel; m_icon = icon; @@ -697,7 +656,6 @@ wxDropSource::wxDropSource( wxDataObject& data, wxWindow *win, const wxIcon &ico wxDropSource::~wxDropSource() { - g_blockEventsOnDrag = FALSE; } void wxDropSource::PrepareIcon( int hot_x, int hot_y, GdkDragContext *context ) @@ -725,25 +683,25 @@ void wxDropSource::PrepareIcon( int hot_x, int hot_y, GdkDragContext *context ) gtk_signal_connect( GTK_OBJECT(m_iconWindow), "configure_event", GTK_SIGNAL_FUNC(gtk_dnd_window_configure_callback), (gpointer)this ); - + gdk_window_set_back_pixmap (m_iconWindow->window, pixmap, FALSE); - + if (mask) gtk_widget_shape_combine_mask (m_iconWindow, mask, 0, 0); gtk_drag_set_icon_widget( context, m_iconWindow, hot_x, hot_y ); } -wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) +wxDragResult wxDropSource::DoDragDrop( bool allowMove ) { - wxASSERT_MSG( m_data, wxT("wxDragSource: no data") ); + wxASSERT_MSG( m_data, wxT("Drop source: no data") ); - if (!m_data) + if (!m_data) return (wxDragResult) wxDragNone; - if (m_data->GetFormatCount() == 0) + if (m_data->GetFormatCount() == 0) return (wxDragResult) wxDragNone; - + g_blockEventsOnDrag = TRUE; RegisterWindow(); @@ -751,13 +709,13 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) m_waiting = TRUE; GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 ); - + wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ]; m_data->GetAllFormats( array ); for (size_t i = 0; i < m_data->GetFormatCount(); i++) { GdkAtom atom = array[i]; - wxLogDebug( wxT("Supported atom %s"), gdk_atom_name( atom ) ); + wxLogDebug( wxT("Drop source: Supported atom %s"), gdk_atom_name( atom ) ); gtk_target_list_add( target_list, atom, 0, 0 ); } delete[] array; @@ -771,7 +729,7 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) event.x = x; event.y = y; event.state = state; - event.time = GDK_CURRENT_TIME; + event.time = (guint32)GDK_CURRENT_TIME; /* GTK wants to know which button was pressed which caused the dragging */ int button_number = 0; @@ -787,17 +745,24 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) /* don't start dragging if no button is down */ if (button_number) { + GdkDragAction action = GDK_ACTION_COPY; + if (allowMove) action = (GdkDragAction)(GDK_ACTION_MOVE|GDK_ACTION_COPY); GdkDragContext *context = gtk_drag_begin( m_widget, target_list, - (GdkDragAction)(GDK_ACTION_COPY|GDK_ACTION_MOVE), + action, button_number, /* number of mouse button which started drag */ (GdkEvent*) &event ); - - m_dragContext = context; - + + m_dragContext = context; + PrepareIcon( 0, 0, context ); - while (m_waiting) gtk_main_iteration();; + while (m_waiting) gtk_main_iteration(); + + if (context->action == GDK_ACTION_COPY) + m_retValue = wxDragCopy; + if (context->action == GDK_ACTION_MOVE) + m_retValue = wxDragMove; } #if wxUSE_THREADS @@ -815,7 +780,7 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) void wxDropSource::RegisterWindow() { if (!m_widget) return; - + gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get", GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this); gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete", @@ -842,5 +807,4 @@ void wxDropSource::UnregisterWindow() } #endif - // wxUSE_DRAG_AND_DROP