X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..7f985bd39a0605d8dea4b4b1abc717c5658209c6:/src/gtk1/dnd.cpp diff --git a/src/gtk1/dnd.cpp b/src/gtk1/dnd.cpp index cca46f3b87..388df88d25 100644 --- a/src/gtk1/dnd.cpp +++ b/src/gtk1/dnd.cpp @@ -2,8 +2,9 @@ // Name: dnd.cpp // Purpose: wxDropTarget class // Author: Robert Roebling -// Copyright: Robert Roebling -// Licence: wxWindows license +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -14,6 +15,7 @@ #include "wx/window.h" #include "wx/app.h" #include "wx/gdicmn.h" +#include #include "gdk/gdkprivate.h" @@ -25,104 +27,585 @@ extern bool g_blockEventsOnDrag; +#ifdef NEW_GTK_DND_CODE + +#include "gtk/gtkdnd.h" +#include "gtk/gtkselection.h" + +// ---------------------------------------------------------------------------- +// "drag_leave" +// ---------------------------------------------------------------------------- + +static void target_drag_leave( GtkWidget *WXUNUSED(widget), + GdkDragContext *WXUNUSED(context), + guint WXUNUSED(time) ) +{ + printf( "leave.\n" ); +} + +// ---------------------------------------------------------------------------- +// "drag_motion" +// ---------------------------------------------------------------------------- + +static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget), + GdkDragContext *context, + gint WXUNUSED(x), + gint WXUNUSED(y), + guint time ) +{ + printf( "motion.\n" ); + gdk_drag_status( context, context->suggested_action, time ); + return TRUE; +} + +// ---------------------------------------------------------------------------- +// "drag_drop" +// ---------------------------------------------------------------------------- + +static gboolean target_drag_drop( GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time ) +{ + printf( "drop at: %d,%d.\n", x, y ); + + if (context->targets) + { + gtk_drag_get_data( widget, + context, + GPOINTER_TO_INT (context->targets->data), + time ); + } + return FALSE; +} + +// ---------------------------------------------------------------------------- +// "drag_data_received" +// ---------------------------------------------------------------------------- + +static void target_drag_data_received( GtkWidget *WXUNUSED(widget), + GdkDragContext *context, + gint x, + gint y, + GtkSelectionData *data, + guint WXUNUSED(info), + guint time ) +{ + printf( "data receive at: %d,%d.\n", x, y ); + + if ((data->length >= 0) && (data->format == 8)) + { + wxString str = (const char*)data->data; + printf( "Received %s\n.", WXSTRINGCAST str ); + gtk_drag_finish( context, TRUE, FALSE, time ); + return; + } + + gtk_drag_finish (context, FALSE, FALSE, time); +} + // ---------------------------------------------------------------------------- // wxDropTarget // ---------------------------------------------------------------------------- wxDropTarget::wxDropTarget() { -}; +} wxDropTarget::~wxDropTarget() { -}; +} -void wxDropTarget::Drop( GdkEvent *event, int x, int y ) +void wxDropTarget::UnregisterWidget( GtkWidget *widget ) { - printf( "Drop data is of type %s.\n", event->dropdataavailable.data_type ); + wxCHECK_RET( widget != NULL, "unregister widget is NULL" ); - OnDrop( x, y, (char *)event->dropdataavailable.data); -}; + gtk_drag_dest_set( widget, + (GtkDestDefaults) 0, + (GtkTargetEntry*) NULL, + 0, + (GdkDragAction) 0 ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this ); -void wxDropTarget::UnregisterWidget( GtkWidget *widget ) + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this ); + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this ); +} + +void wxDropTarget::RegisterWidget( GtkWidget *widget ) { - gtk_widget_dnd_drop_set( widget, FALSE, NULL, 0, FALSE ); -}; + wxCHECK_RET( widget != NULL, "register widget is NULL" ); + + GtkTargetEntry format; + format.info = 0; + format.flags = 0; + + int valid = 0; + for ( size_t i = 0; i < GetFormatCount(); i++ ) + { + wxDataFormat df = GetFormat( i ); + switch (df) + { + case wxDF_TEXT: + format.target = "text/plain"; + valid++; + break; + case wxDF_FILENAME: + format.target = "file:ALL"; + valid++; + break; + default: + break; + } + } + + wxASSERT_MSG( valid != 0, "No valid DnD format supported." ); + + gtk_drag_dest_set( widget, + GTK_DEST_DEFAULT_ALL, + &format, + 1, + (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE) ); + + gtk_signal_connect( GTK_OBJECT(widget), "drag_leave", + GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drag_motion", + GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drag_drop", + GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(widget), "drag_data_received", + GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this ); +} // ---------------------------------------------------------------------------- // wxTextDropTarget // ---------------------------------------------------------------------------- -bool wxTextDropTarget::OnDrop( long x, long y, const void *pData ) +bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) ) { - OnDropText( x, y, (const char*)pData ); + OnDropText( x, y, (const char*)data ); 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 aszFiles[] ) +{ + printf( "Got %d dropped files.\n", (int)nFiles ); + printf( "At x: %d, y: %d.\n", (int)x, (int)y ); + for (size_t i = 0; i < nFiles; i++) + { + printf( aszFiles[i] ); + printf( "\n" ); + } + return TRUE; +} + +bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size ) +{ + size_t number = 0; + char *text = (char*) data; + for (size_t i = 0; i < size; i++) + if (text[i] == 0) number++; + + if (number == 0) return TRUE; + + char **files = new char*[number]; + + text = (char*) data; + for (size_t i = 0; i < number; i++) + { + files[i] = text; + int len = strlen( text ); + text += len+1; + } + + bool ret = OnDropFiles( x, y, 1, files ); + + free( files ); + + return ret; +} + +size_t wxFileDropTarget::GetFormatCount() const +{ + return 1; +} + +wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const +{ + return wxDF_FILENAME; +} + +//------------------------------------------------------------------------- +// wxDropSource +//------------------------------------------------------------------------- + +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 = wxDragCancel; + + 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_retValue = wxDragCancel; + + m_data = &data; + + m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY ); + m_goaheadCursor = wxCursor( wxCURSOR_HAND ); +} + +void wxDropSource::SetData( wxDataObject &data ) +{ + m_data = &data; +} + +wxDropSource::~wxDropSource(void) +{ +// if (m_data) delete m_data; + + g_blockEventsOnDrag = FALSE; +} + +wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) +{ + wxASSERT_MSG( m_data, "wxDragSource: no data" ); + + if (!m_data) return (wxDragResult) wxDragNone; + if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone; + + RegisterWindow(); + + // TODO + + UnregisterWindow(); + + g_blockEventsOnDrag = FALSE; + + return m_retValue; +} + +void wxDropSource::RegisterWindow(void) +{ + if (!m_data) return; + + wxString formats; + + wxDataFormat df = m_data->GetPreferredFormat(); + + switch (df) + { + case wxDF_TEXT: + formats += "text/plain"; + break; + case wxDF_FILENAME: + formats += "file:ALL"; + break; + default: + break; + } + + char *str = WXSTRINGCAST formats; + + // TODO +} + +void wxDropSource::UnregisterWindow(void) +{ + if (!m_widget) return; + + // TODO +} + + +#else // NEW_CODE + + + +//----------------------------------------------------------------------------- +// "drop_data_available_event" +//----------------------------------------------------------------------------- + +static void gtk_target_callback( GtkWidget *widget, + GdkEventDropDataAvailable *event, + wxDropTarget *target ) +{ + if (target) + { + int x = 0; + int y = 0; + gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL ); + + printf( "Drop data is of type %s.\n", event->data_type ); + + target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes ); + } + +/* + g_free (event->data); + g_free (event->data_type); +*/ +} + +// ---------------------------------------------------------------------------- +// wxDropTarget +// ---------------------------------------------------------------------------- + +wxDropTarget::wxDropTarget() +{ +} + +wxDropTarget::~wxDropTarget() +{ +} + +void wxDropTarget::UnregisterWidget( GtkWidget *widget ) +{ + if (!widget) return; + + gtk_signal_disconnect_by_func( GTK_OBJECT(widget), + GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this ); + + 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 ); + + gtk_signal_connect( GTK_OBJECT(widget), "drop_data_available_event", + GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this ); +} + +// ---------------------------------------------------------------------------- +// wxTextDropTarget +// ---------------------------------------------------------------------------- + +bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) ) +{ + OnDropText( x, y, (const char*)data ); + 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 aszFiles[] ) +{ + printf( "Got %d dropped files.\n", (int)nFiles ); + printf( "At x: %d, y: %d.\n", (int)x, (int)y ); + for (size_t i = 0; i < nFiles; i++) + { + printf( aszFiles[i] ); + printf( "\n" ); + } + return TRUE; +} + +bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size ) +{ + size_t number = 0; + char *text = (char*) data; + for (size_t i = 0; i < size; i++) + if (text[i] == 0) number++; + + if (number == 0) return TRUE; + + char **files = new char*[number]; + + text = (char*) data; + for (size_t i = 0; i < number; i++) + { + files[i] = text; + int len = strlen( text ); + text += len+1; + } + + bool ret = OnDropFiles( x, y, 1, files ); + + free( files ); + + return ret; +} + +size_t wxFileDropTarget::GetFormatCount() const +{ + return 1; +} -void wxTextDropTarget::RegisterWidget( GtkWidget *widget ) +wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const { - char *accepted_drop_types[] = { "text/plain" }; - gtk_widget_dnd_drop_set( widget, TRUE, accepted_drop_types, 1, FALSE ); -}; + 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 = wxDragCopy; +} -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 = wxDragCancel; + + 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 = wxDragCancel; + 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, const 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; +} + +wxDragResult 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 (wxDragResult) wxDragNone; + if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone; + + wxASSERT_MSG( m_data, "wxDragSource: no data" ); + + if (!m_data) return (wxDragResult) wxDragNone; + if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone; GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window; RegisterWindow(); - ConnectWindow(); gdk_dnd.drag_perhaps = TRUE; @@ -133,8 +616,8 @@ 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 +642,59 @@ 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 ); +} +#endif + // NEW_GTK_DND_CODE +