X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/43dc5fb14027416b4e9cefc1ddd48e6c3b1dd690..bde733b0c646954653799d75d839960af3bd0d39:/src/gtk/dnd.cpp diff --git a/src/gtk/dnd.cpp b/src/gtk/dnd.cpp index c56c806047..2a147ae682 100644 --- a/src/gtk/dnd.cpp +++ b/src/gtk/dnd.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: dnd.cpp +// Name: src/gtk/dnd.cpp // Purpose: wxDropTarget class // Author: Robert Roebling // Id: $Id$ @@ -10,17 +10,18 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#include "wx/dnd.h" -#include "wx/log.h" - - #if wxUSE_DRAG_AND_DROP -#include "wx/window.h" -#include "wx/app.h" -#include "wx/gdicmn.h" -#include "wx/intl.h" -#include "wx/utils.h" +#include "wx/dnd.h" + +#ifndef WX_PRECOMP + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/app.h" + #include "wx/utils.h" + #include "wx/window.h" + #include "wx/gdicmn.h" +#endif #include "wx/gtk/private.h" @@ -29,20 +30,6 @@ #include #include -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- - -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; - -//----------------------------------------------------------------------------- -// thread system -//----------------------------------------------------------------------------- - -#if wxUSE_THREADS -#endif - //---------------------------------------------------------------------------- // global data //---------------------------------------------------------------------------- @@ -52,10 +39,17 @@ extern bool g_blockEventsOnDrag; // the flags used for the last DoDragDrop() static long gs_flagsForDrag = 0; +#ifdef __WXDEBUG__ // the trace mask we use with wxLogTrace() - call // wxLog::AddTraceMask(TRACE_DND) to enable the trace messages from here // (there are quite a few of them, so don't enable this by default) static const wxChar *TRACE_DND = _T("dnd"); +#endif + +// global variables because GTK+ DnD want to have the +// mouse event that caused it +extern GdkEvent *g_lastMouseEvent; +extern int g_lastButtonNumber; //---------------------------------------------------------------------------- // standard icons @@ -350,7 +344,7 @@ static gboolean target_drag_drop( GtkWidget *widget, } else { - wxLogTrace(TRACE_DND, wxT( "Drop target: OnDrop returned TRUE") ); + wxLogTrace(TRACE_DND, wxT( "Drop target: OnDrop returned true") ); #if wxUSE_THREADS /* disable GUI threads */ @@ -359,7 +353,7 @@ static gboolean target_drag_drop( GtkWidget *widget, GdkAtom format = drop_target->GetMatchingPair(); // this does happen somehow, see bug 555111 - wxCHECK_MSG( format, FALSE, _T("no matching GdkAtom for format?") ) + wxCHECK_MSG( format, FALSE, _T("no matching GdkAtom for format?") ); /* GdkDragAction action = GDK_ACTION_MOVE; @@ -428,7 +422,7 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget), if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) ) { - wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned TRUE") ); + wxLogTrace(TRACE_DND, wxT( "Drop target: OnData returned true") ); /* tell GTK that data transfer was successful */ gtk_drag_finish( context, TRUE, FALSE, time ); @@ -506,13 +500,7 @@ GdkAtom wxDropTarget::GetMatchingPair() GList *child = m_dragContext->targets; while (child) { - // in GTK+ 1.x GdkAtom was a gulong, but now it's a pointer - GdkAtom formatAtom = -#ifdef __WXGTK20__ - (GdkAtom)(child->data); -#else - GPOINTER_TO_INT(child->data); -#endif + GdkAtom formatAtom = (GdkAtom)(child->data); wxDataFormat format( formatAtom ); #ifdef __WXDEBUG__ @@ -553,17 +541,14 @@ void wxDropTarget::UnregisterWidget( GtkWidget *widget ) gtk_drag_dest_unset( widget ); - 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 ); + g_signal_handlers_disconnect_by_func (widget, + (gpointer) target_drag_leave, this); + g_signal_handlers_disconnect_by_func (widget, + (gpointer) target_drag_motion, this); + g_signal_handlers_disconnect_by_func (widget, + (gpointer) target_drag_drop, this); + g_signal_handlers_disconnect_by_func (widget, + (gpointer) target_drag_data_received, this); } void wxDropTarget::RegisterWidget( GtkWidget *widget ) @@ -586,17 +571,17 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget ) 0, /* number of targets = 0 */ (GdkDragAction) 0 ); /* we don't supply any actions here */ - gtk_signal_connect( GTK_OBJECT(widget), "drag_leave", - GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this ); + g_signal_connect (widget, "drag_leave", + G_CALLBACK (target_drag_leave), this); - gtk_signal_connect( GTK_OBJECT(widget), "drag_motion", - GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this ); + g_signal_connect (widget, "drag_motion", + G_CALLBACK (target_drag_motion), this); - gtk_signal_connect( GTK_OBJECT(widget), "drag_drop", - GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this ); + g_signal_connect (widget, "drag_drop", + G_CALLBACK (target_drag_drop), this); - gtk_signal_connect( GTK_OBJECT(widget), "drag_data_received", - GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this ); + g_signal_connect (widget, "drag_data_received", + G_CALLBACK (target_drag_data_received), this); } //---------------------------------------------------------------------------- @@ -677,7 +662,7 @@ source_drag_data_get (GtkWidget *WXUNUSED(widget), extern "C" { static void source_drag_data_delete( GtkWidget *WXUNUSED(widget), - GdkDragContext *context, + GdkDragContext *WXUNUSED(context), wxDropSource *WXUNUSED(drop_source) ) { if (g_isIdle) @@ -728,8 +713,7 @@ extern "C" { static gint gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source ) { - if (g_isIdle) - wxapp_install_idle_handler(); + // don't need to install idle handler, its done from "event" signal source->GiveFeedback( ConvertFromGTK(source->m_dragContext->action) ); @@ -820,28 +804,22 @@ void wxDropSource::PrepareIcon( int action, GdkDragContext *context ) GdkPixmap *pixmap = icon->GetPixmap(); gint width,height; - gdk_window_get_size (pixmap, &width, &height); + gdk_drawable_get_size (pixmap, &width, &height); GdkColormap *colormap = gtk_widget_get_colormap( m_widget ); -#ifndef __WXGTK20__ - gtk_widget_push_visual (gdk_colormap_get_visual (colormap)); -#endif gtk_widget_push_colormap (colormap); m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP); gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK); gtk_widget_set_app_paintable (GTK_WIDGET (m_iconWindow), TRUE); -#ifndef __WXGTK20__ - gtk_widget_pop_visual (); -#endif gtk_widget_pop_colormap (); - gtk_widget_set_usize (m_iconWindow, width, height); + gtk_widget_set_size_request (m_iconWindow, width, height); gtk_widget_realize (m_iconWindow); - gtk_signal_connect( GTK_OBJECT(m_iconWindow), "configure_event", - GTK_SIGNAL_FUNC(gtk_dnd_window_configure_callback), (gpointer)this ); + g_signal_connect (m_iconWindow, "configure_event", + G_CALLBACK (gtk_dnd_window_configure_callback), this); gdk_window_set_back_pixmap (m_iconWindow->window, pixmap, FALSE); @@ -860,6 +838,14 @@ wxDragResult wxDropSource::DoDragDrop(int flags) if (g_blockEventsOnDrag) return wxDragNone; + // don't start dragging if no button is down + if (g_lastButtonNumber == 0) + return wxDragNone; + + // we can only start a drag after a mouse event + if (g_lastMouseEvent == NULL) + return wxDragNone; + // disabled for now g_blockEventsOnDrag = true; @@ -880,60 +866,31 @@ wxDragResult wxDropSource::DoDragDrop(int flags) } delete[] array; - GdkEventMotion event; - event.window = m_widget->window; - int x = 0; - int y = 0; - GdkModifierType state; - gdk_window_get_pointer( event.window, &x, &y, &state ); - event.x = x; - event.y = y; - event.state = state; - event.time = (guint32)GDK_CURRENT_TIME; - - /* GTK wants to know which button was pressed which caused the dragging */ - int button_number = 0; - if (event.state & GDK_BUTTON1_MASK) button_number = 1; - else if (event.state & GDK_BUTTON2_MASK) button_number = 2; - else if (event.state & GDK_BUTTON3_MASK) button_number = 3; + int action = GDK_ACTION_COPY; + if ( flags & wxDrag_AllowMove ) + action |= GDK_ACTION_MOVE; -#if wxUSE_THREADS - /* disable GUI threads */ -#endif - - /* don't start dragging if no button is down */ - if (button_number) - { - int action = GDK_ACTION_COPY; - if ( flags & wxDrag_AllowMove ) - action |= GDK_ACTION_MOVE; + // VZ: as we already use g_blockEventsOnDrag it shouldn't be that bad + // to use a global to pass the flags to the drop target but I'd + // surely prefer a better way to do it + gs_flagsForDrag = flags; - // VZ: as we already use g_blockEventsOnDrag it shouldn't be that bad - // to use a global to pass the flags to the drop target but I'd - // surely prefer a better way to do it - gs_flagsForDrag = flags; - - GdkDragContext *context = gtk_drag_begin( m_widget, + GdkDragContext *context = gtk_drag_begin( m_widget, target_list, (GdkDragAction)action, - button_number, /* number of mouse button which started drag */ - (GdkEvent*) &event ); - - m_dragContext = context; + g_lastButtonNumber, // number of mouse button which started drag + (GdkEvent*) g_lastMouseEvent ); - PrepareIcon( action, context ); + m_dragContext = context; - while (m_waiting) - gtk_main_iteration(); + PrepareIcon( action, context ); - m_retValue = ConvertFromGTK(context->action); - if ( m_retValue == wxDragNone ) - m_retValue = wxDragCancel; - } + while (m_waiting) + gtk_main_iteration(); -#if wxUSE_THREADS - /* re-enable GUI threads */ -#endif + m_retValue = ConvertFromGTK(context->action); + if ( m_retValue == wxDragNone ) + m_retValue = wxDragCancel; g_blockEventsOnDrag = false; @@ -946,29 +903,34 @@ 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", - GTK_SIGNAL_FUNC (source_drag_data_delete), (gpointer) this ); - gtk_signal_connect (GTK_OBJECT(m_widget), "drag_begin", - GTK_SIGNAL_FUNC (source_drag_begin), (gpointer) this ); - gtk_signal_connect (GTK_OBJECT(m_widget), "drag_end", - GTK_SIGNAL_FUNC (source_drag_end), (gpointer) this ); + g_signal_connect (m_widget, "drag_data_get", + G_CALLBACK (source_drag_data_get), this); + g_signal_connect (m_widget, "drag_data_delete", + G_CALLBACK (source_drag_data_delete), this); + g_signal_connect (m_widget, "drag_begin", + G_CALLBACK (source_drag_begin), this); + g_signal_connect (m_widget, "drag_end", + G_CALLBACK (source_drag_end), this); } void wxDropSource::UnregisterWindow() { - if (!m_widget) return; + if (!m_widget) + return; - gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), - GTK_SIGNAL_FUNC(source_drag_data_get), (gpointer) this ); - gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), - GTK_SIGNAL_FUNC(source_drag_data_delete), (gpointer) this ); - gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), - GTK_SIGNAL_FUNC(source_drag_begin), (gpointer) this ); - gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget), - GTK_SIGNAL_FUNC(source_drag_end), (gpointer) this ); + g_signal_handlers_disconnect_by_func (m_widget, + (gpointer) source_drag_data_get, + this); + g_signal_handlers_disconnect_by_func (m_widget, + (gpointer) source_drag_data_delete, + this); + g_signal_handlers_disconnect_by_func (m_widget, + (gpointer) source_drag_begin, + this); + g_signal_handlers_disconnect_by_func (m_widget, + (gpointer) source_drag_end, + this); } #endif