X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..d8c838755a67d716ce5069847db1d5c74f145d72:/src/gtk/dnd.cpp?ds=sidebyside diff --git a/src/gtk/dnd.cpp b/src/gtk/dnd.cpp index 9ba46a6c2c..dac170064a 100644 --- a/src/gtk/dnd.cpp +++ b/src/gtk/dnd.cpp @@ -14,6 +14,7 @@ #include "wx/window.h" #include "wx/app.h" #include "wx/gdicmn.h" +#include #include "gdk/gdkprivate.h" @@ -31,23 +32,55 @@ extern bool g_blockEventsOnDrag; wxDropTarget::wxDropTarget() { -}; +} wxDropTarget::~wxDropTarget() { -}; +} void wxDropTarget::Drop( GdkEvent *event, int x, int y ) { printf( "Drop data is of type %s.\n", event->dropdataavailable.data_type ); OnDrop( x, y, (char *)event->dropdataavailable.data); -}; +} void wxDropTarget::UnregisterWidget( GtkWidget *widget ) { - gtk_widget_dnd_drop_set( widget, FALSE, NULL, 0, FALSE ); -}; + if (!widget) return; + + gtk_widget_dnd_drop_set( widget, FALSE, (gchar **) NULL, 0, FALSE ); +} + +void wxDropTarget::RegisterWidget( GtkWidget *widget ) +{ + wxString formats; + int valid = 0; + + for ( size_t i = 0; i < GetFormatCount(); i++ ) + { + wxDataFormat df = GetFormat( i ); + switch (df) + { + case wxDF_TEXT: + if (i > 0) formats += ";"; + formats += "text/plain"; + valid++; + break; + case wxDF_FILENAME: + if (i > 0) formats += ";"; + formats += "file:ALL"; + valid++; + break; + default: + break; + } + } + + char *str = WXSTRINGCAST formats; + + gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE ); +} // ---------------------------------------------------------------------------- // wxTextDropTarget @@ -57,72 +90,132 @@ bool wxTextDropTarget::OnDrop( long x, long y, const void *pData ) { OnDropText( x, y, (const char*)pData ); return TRUE; -}; +} bool wxTextDropTarget::OnDropText( long x, long y, const char *psz ) { printf( "Got dropped text: %s.\n", psz ); printf( "At x: %d, y: %d.\n", (int)x, (int)y ); return TRUE; -}; +} + +size_t wxTextDropTarget::GetFormatCount() const +{ + return 1; +} + +wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const +{ + return wxDF_TEXT; +} + +// ---------------------------------------------------------------------------- +// wxFileDropTarget +// ---------------------------------------------------------------------------- + +bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const WXUNUSED(aszFiles)[] ) +{ + printf( "Got %d dropped files.\n", (int)nFiles ); + printf( "At x: %d, y: %d.\n", (int)x, (int)y ); + return TRUE; +} -void wxTextDropTarget::RegisterWidget( GtkWidget *widget ) +bool wxFileDropTarget::OnDrop(long x, long y, const void *WXUNUSED(pData) ) { - char *accepted_drop_types[] = { "text/plain" }; - gtk_widget_dnd_drop_set( widget, TRUE, accepted_drop_types, 1, FALSE ); -}; + char *str = "/this/is/a/path.txt"; + + return OnDropFiles(x, y, 1, &str ); +} + +size_t wxFileDropTarget::GetFormatCount() const +{ + return 1; +} + +wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const +{ + return wxDF_FILENAME; +} //------------------------------------------------------------------------- -// wxDragSource +// wxDropSource //------------------------------------------------------------------------- //----------------------------------------------------------------------------- // drag request -void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDragSource *drag ) +void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source ) { - printf( "OnDragRequest.\n" ); + printf( "Data requested for dropping.\n" ); + + wxDataObject *data = source->m_data; + + size_t size = data->GetDataSize(); + char *ptr = new char[size]; + data->GetDataHere( ptr ); + + gtk_widget_dnd_data_set( widget, event, ptr, size ); + + delete ptr; - gtk_widget_dnd_data_set( widget, event, drag->m_data, drag->m_size ); -}; + source->m_retValue = wxDropSource::Copy; +} -wxDragSource::wxDragSource( wxWindow *win ) +wxDropSource::wxDropSource( wxWindow *win ) { g_blockEventsOnDrag = TRUE; + + m_window = win; + m_widget = win->m_widget; + if (win->m_wxwindow) m_widget = win->m_wxwindow; + + m_data = (wxDataObject *) NULL; + m_retValue = Cancel; + + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); +} +wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win ) +{ + g_blockEventsOnDrag = TRUE; + m_window = win; m_widget = win->m_widget; if (win->m_wxwindow) m_widget = win->m_wxwindow; - - m_data = NULL; - m_size = 0; + m_retValue = Cancel; + m_data = &data; + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); m_goaheadCursor = wxCursor( wxCURSOR_HAND ); -}; +} -wxDragSource::~wxDragSource(void) +void wxDropSource::SetData( wxDataObject &data ) { - g_blockEventsOnDrag = FALSE; -}; - -void wxDragSource::SetData( char *data, long size ) + m_data = &data; +} + +wxDropSource::~wxDropSource(void) { - m_size = size; - m_data = data; -}; +// if (m_data) delete m_data; -void wxDragSource::Start( int x, int y ) + g_blockEventsOnDrag = FALSE; +} + +wxDropSource::DragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) { - if (gdk_dnd.dnd_grabbed) return; - if (gdk_dnd.drag_really) return; - if (m_size == 0) return; - if (!m_data) return; + if (gdk_dnd.dnd_grabbed) return (wxDropSource::DragResult) None; + if (gdk_dnd.drag_really) return (wxDropSource::DragResult) None; + + wxASSERT_MSG( m_data, "wxDragSource: no data" ); + + if (!m_data) return (wxDropSource::DragResult) None; + if (m_data->GetDataSize() == 0) return (wxDropSource::DragResult) None; GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window; RegisterWindow(); - ConnectWindow(); gdk_dnd.drag_perhaps = TRUE; @@ -133,8 +226,8 @@ void wxDragSource::Start( int x, int y ) if (gdk_dnd.drag_startwindows) { g_free( gdk_dnd.drag_startwindows ); - gdk_dnd.drag_startwindows = NULL; - }; + gdk_dnd.drag_startwindows = (GdkWindow **) NULL; + } gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0; XWindowAttributes dnd_winattr; @@ -159,49 +252,55 @@ void wxDragSource::Start( int x, int y ) gdk_dnd.dnd_grabbed = TRUE; gdk_dnd.drag_really = 1; + + int x = 0; + int y = 0; + gdk_window_get_pointer( m_widget->window, &x, &y, (GdkModifierType *) NULL ); + gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE ); while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield(); - UnconnectWindow(); UnregisterWindow(); -}; + + g_blockEventsOnDrag = FALSE; + + return m_retValue; +} -void wxDragSource::ConnectWindow(void) +void wxDropSource::RegisterWindow(void) { - gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event", - GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this ); -}; + if (!m_data) return; -void wxDragSource::UnconnectWindow(void) -{ - if (!m_widget) return; + wxString formats; + + wxDataFormat df = m_data->GetPreferredFormat(); - gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this ); -}; - -void wxDragSource::UnregisterWindow(void) -{ - if (!m_widget) return; + switch (df) + { + case wxDF_TEXT: + formats += "text/plain"; + break; + case wxDF_FILENAME: + formats += "file:ALL"; + break; + default: + break; + } - gtk_widget_dnd_drag_set( m_widget, FALSE, NULL, 0 ); -}; + char *str = WXSTRINGCAST formats; -//------------------------------------------------------------------------- -// wxTextDragSource -//------------------------------------------------------------------------- + gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 ); -void wxTextDragSource::SetTextData( const wxString &text ) -{ - m_tmp = text; - SetData( WXSTRINGCAST(m_tmp), m_tmp.Length()+1 ); -}; + gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event", + GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this ); +} -void wxTextDragSource::RegisterWindow(void) +void wxDropSource::UnregisterWindow(void) { if (!m_widget) return; - char *accepted_drop_types[] = { "text/plain" }; - gtk_widget_dnd_drag_set( m_widget, TRUE, accepted_drop_types, 1 ); -}; - + gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 ); + + gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this ); +}