X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/46ccb5107ff22cb5cc1b36ef2a28ea1e31b0fc91..e487524e492809638b7e335937c41fd432458a54:/src/gtk1/dnd.cpp?ds=inline diff --git a/src/gtk1/dnd.cpp b/src/gtk1/dnd.cpp index 458eb72641..2b894ea995 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__ @@ -26,50 +27,139 @@ extern bool g_blockEventsOnDrag; +#ifdef NEW_GTK_DND_CODE + +#include "gtk/gtkdnd.h" +#include "gtk/gtkselection.h" + // ---------------------------------------------------------------------------- -// wxDropTarget +// "drag_leave" // ---------------------------------------------------------------------------- -wxDropTarget::wxDropTarget() +static void target_drag_leave( GtkWidget *WXUNUSED(widget), + GdkDragContext *WXUNUSED(context), + guint WXUNUSED(time) ) { + printf( "leave.\n" ); } -wxDropTarget::~wxDropTarget() +// ---------------------------------------------------------------------------- +// "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; } -void wxDropTarget::Drop( GdkEvent *event, int x, int y ) +// ---------------------------------------------------------------------------- +// "drag_drop" +// ---------------------------------------------------------------------------- + +static gboolean target_drag_drop( GtkWidget *widget, + GdkDragContext *context, + gint x, + gint y, + guint time ) { - printf( "Drop data is of type %s.\n", event->dropdataavailable.data_type ); + printf( "drop at: %d,%d.\n", x, y ); - OnDrop( x, y, (char *)event->dropdataavailable.data); + 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::UnregisterWidget( GtkWidget *widget ) { - if (!widget) return; + wxCHECK_RET( widget != NULL, "unregister widget is NULL" ); - gtk_widget_dnd_drop_set( widget, FALSE, (gchar **) NULL, 0, FALSE ); + 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 ); + + 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 ) { - wxString formats; - int valid = 0; + 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: - if (i > 0) formats += ";"; - formats += "text/plain"; + format.target = "text/plain"; valid++; break; case wxDF_FILENAME: - if (i > 0) formats += ";"; - formats += "file:ALL"; + format.target = "file:ALL"; valid++; break; default: @@ -77,18 +167,34 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget ) } } - char *str = WXSTRINGCAST formats; + wxASSERT_MSG( valid != 0, "No valid DnD format supported." ); - gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE ); + 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; } @@ -113,18 +219,42 @@ wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const // wxFileDropTarget // ---------------------------------------------------------------------------- -bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const WXUNUSED(aszFiles)[] ) +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 *WXUNUSED(pData) ) +bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size ) { - char *str = "/this/is/a/path.txt"; + size_t number = 0; + char *text = (char*) data; + for (size_t i = 0; i < size; i++) + if (text[i] == 0) number++; - return OnDropFiles(x, y, 1, &str ); + 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 @@ -141,13 +271,362 @@ wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const // 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 + +GtkWidget *shape_create_icon (char **data, + gint x, + gint y, + gint px, + gint py, + gint window_type); + +/* XPM */ +static char * gv_xpm[] = { +"40 34 3 1", +" s None c None", +". c black", +"X c white", +" ", +" ", +" ...... ", +" ..XXXXXX.. ", +" .XXXXXXXXXX. ", +" .XXXXXXXXXXXX. ", +" .XXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXX. ", +" .XXX..XXXX..XXX. ", +" ....XX....XX....XX. ", +" .XXX.XXX..XXXX..XXX.... ", +" .XXXXXXXXXXXXXXXXXXX.XXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXXX. ", +" ..XXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXX... ", +" ..XXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXX.XXXXXXX. ", +" .XXXXXXX.XXXXXXX.XXXXXXX. ", +" .XXXXXXXX.XXXXXXX.XXXXXXX. ", +" .XXXXXXX...XXXXX...XXXXX. ", +" .XXXXXXX. ..... ..... ", +" ..XXXX.. ", +" .... ", +" ", +" ", +" "}; + +/* XPM */ +static char * page_xpm[] = { +/* width height ncolors chars_per_pixel */ +"32 32 5 1", +/* colors */ +" s None c None", +". c black", +"X c wheat", +"o c tan", +"O c #6699FF", +/* pixels */ +" ................... ", +" .XXXXXXXXXXXXXXXXX.. ", +" .XXXXXXXXXXXXXXXXX.o. ", +" .XXXXXXXXXXXXXXXXX.oo. ", +" .XXXXXXXXXXXXXXXXX.ooo. ", +" .XXXXXXXXXXXXXXXXX.oooo. ", +" .XXXXXXXXXXXXXXXXX....... ", +" .XXXXXOOOOOOOOOOXXXooooo. ", +" .XXXXXXXXXXXXXXXXXXooooo. ", +" .XXXXXOOOOOOOOOOXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXOOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXOOOOOOOOOOXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXOOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXOOOOOOOOOOXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXOOOOOOOOOOXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXOOOOOOOXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" .XXXXXXXXXXXXXXXXXXXXXXX. ", +" ......................... "}; + + +//----------------------------------------------------------------------------- +// "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; +} + +wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const +{ + return wxDF_FILENAME; +} + +//------------------------------------------------------------------------- +// wxDropSource +//------------------------------------------------------------------------- + //----------------------------------------------------------------------------- // drag request void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source ) { - printf( "Data requested for dropping.\n" ); - wxDataObject *data = source->m_data; size_t size = data->GetDataSize(); @@ -213,6 +692,43 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) ) if (!m_data) return (wxDragResult) wxDragNone; if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone; + static GtkWidget *drag_icon = NULL; + static GtkWidget *drop_icon = NULL; + + GdkPoint hotspot_1 = {0,-5 }; + + if (!drag_icon) + { + drag_icon = shape_create_icon ( gv_xpm, + 440, 140, 0,0, GTK_WINDOW_POPUP); + + gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy", + GTK_SIGNAL_FUNC(gtk_widget_destroyed), + &drag_icon); + + gtk_widget_hide (drag_icon); + } + + GdkPoint hotspot_2 = {-5,-5}; + + if (!drop_icon) + { + drop_icon = shape_create_icon ( page_xpm, + 440, 140, 0,0, GTK_WINDOW_POPUP); + + gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy", + GTK_SIGNAL_FUNC(gtk_widget_destroyed), + &drop_icon); + + gtk_widget_hide (drop_icon); + } + + gdk_dnd_set_drag_shape(drag_icon->window, + &hotspot_1, + drop_icon->window, + &hotspot_2); + + GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window; RegisterWindow(); @@ -304,3 +820,130 @@ void wxDropSource::UnregisterWindow(void) gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this ); } + + +/* + * Shaped Windows + */ +static GdkWindow *root_win = NULL; + +typedef struct _cursoroffset {gint x,y;} CursorOffset; + +static void +shape_pressed (GtkWidget *widget, GdkEventButton *event) +{ + CursorOffset *p; + + /* ignore double and triple click */ + if (event->type != GDK_BUTTON_PRESS) + return; + + p = gtk_object_get_user_data (GTK_OBJECT(widget)); + p->x = (int) event->x; + p->y = (int) event->y; + + gtk_grab_add (widget); + gdk_pointer_grab (widget->window, TRUE, + GDK_BUTTON_RELEASE_MASK | + GDK_BUTTON_MOTION_MASK | + GDK_POINTER_MOTION_HINT_MASK, + NULL, NULL, 0); +} + + +static void +shape_released (GtkWidget *widget) +{ + gtk_grab_remove (widget); + gdk_pointer_ungrab (0); +} + +static void +shape_motion (GtkWidget *widget, + GdkEventMotion *event) +{ + gint xp, yp; + CursorOffset * p; + GdkModifierType mask; + + p = gtk_object_get_user_data (GTK_OBJECT (widget)); + + /* + * Can't use event->x / event->y here + * because I need absolute coordinates. + */ + gdk_window_get_pointer (root_win, &xp, &yp, &mask); + gtk_widget_set_uposition (widget, xp - p->x, yp - p->y); +} + +GtkWidget * +shape_create_icon (char **data, + gint x, + gint y, + gint px, + gint py, + gint window_type) +{ + GtkWidget *window; + GtkWidget *pixmap; + GtkWidget *fixed; + CursorOffset* icon_pos; + GdkGC* gc; + GdkBitmap *gdk_pixmap_mask; + GdkPixmap *gdk_pixmap; + GtkStyle *style; + + style = gtk_widget_get_default_style (); + gc = style->black_gc; + + /* + * GDK_WINDOW_TOPLEVEL works also, giving you a title border + */ + window = gtk_window_new (window_type); + + fixed = gtk_fixed_new (); + gtk_widget_set_usize (fixed, 100,100); + gtk_container_add (GTK_CONTAINER (window), fixed); + gtk_widget_show (fixed); + + gtk_widget_set_events (window, + gtk_widget_get_events (window) | + GDK_BUTTON_MOTION_MASK | + GDK_POINTER_MOTION_HINT_MASK | + GDK_BUTTON_PRESS_MASK); + + gtk_widget_realize (window); + + gdk_pixmap = gdk_pixmap_create_from_xpm_d (window->window, &gdk_pixmap_mask, + &style->bg[GTK_STATE_NORMAL], + (gchar**) data ); + + pixmap = gtk_pixmap_new (gdk_pixmap, gdk_pixmap_mask); + gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py); + gtk_widget_show (pixmap); + + gtk_widget_shape_combine_mask (window, gdk_pixmap_mask, px,py); + + + gtk_signal_connect (GTK_OBJECT (window), "button_press_event", + GTK_SIGNAL_FUNC (shape_pressed),NULL); + gtk_signal_connect (GTK_OBJECT (window), "button_release_event", + GTK_SIGNAL_FUNC (shape_released),NULL); + gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event", + GTK_SIGNAL_FUNC (shape_motion),NULL); + + icon_pos = g_new (CursorOffset, 1); + gtk_object_set_user_data(GTK_OBJECT(window), icon_pos); + + gtk_widget_set_uposition (window, x, y); + gtk_widget_show (window); + + return window; +} + + + + +#endif + // NEW_GTK_DND_CODE +