X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/13b22a673807f68da1dffbb8c56614d3f07124f4..658741180583e3219bdd26b83a798cf3c8a59df7:/src/gtk1/dnd.cpp diff --git a/src/gtk1/dnd.cpp b/src/gtk1/dnd.cpp index dcb0b56c32..47ce58b017 100644 --- a/src/gtk1/dnd.cpp +++ b/src/gtk1/dnd.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: dnd.cpp +// Name: src/gtk1/dnd.cpp // Purpose: wxDropTarget class // Author: Robert Roebling // Id: $Id$ @@ -7,26 +7,23 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "dnd.h" -#endif - // 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" +#include "wx/gtk1/private.h" #include @@ -59,7 +56,12 @@ static long gs_flagsForDrag = 0; // 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"); +#define TRACE_DND _T("dnd") + +// global variables because GTK+ DnD want to have the +// mouse event that caused it +extern GdkEvent *g_lastMouseEvent; +extern int g_lastButtonNumber; //---------------------------------------------------------------------------- // standard icons @@ -188,7 +190,7 @@ static void target_drag_leave( GtkWidget *WXUNUSED(widget), drop_target->OnLeave(); /* this has to be done because GDK has no "drag_enter" event */ - drop_target->m_firstMotion = TRUE; + drop_target->m_firstMotion = true; /* after this, invalidate the drop_target's GdkDragContext */ drop_target->SetDragContext( (GdkDragContext*) NULL ); @@ -287,7 +289,7 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget), drop_target->SetDragContext( (GdkDragContext*) NULL ); /* this has to be done because GDK has no "drag_enter" event */ - drop_target->m_firstMotion = FALSE; + drop_target->m_firstMotion = false; return ret; } @@ -338,7 +340,7 @@ static gboolean target_drag_drop( GtkWidget *widget, /* reset the block here as someone might very well show a dialog as a reaction to a drop and this wouldn't work without events */ - g_blockEventsOnDrag = FALSE; + g_blockEventsOnDrag = false; bool ret = drop_target->OnDrop( x, y ); @@ -363,7 +365,7 @@ 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; @@ -388,7 +390,7 @@ static gboolean target_drag_drop( GtkWidget *widget, drop_target->SetDragWidget( (GtkWidget*) NULL ); /* this has to be done because GDK has no "drag_enter" event */ - drop_target->m_firstMotion = TRUE; + drop_target->m_firstMotion = true; return ret; } @@ -457,7 +459,7 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget), wxDropTarget::wxDropTarget( wxDataObject *data ) : wxDropTargetBase( data ) { - m_firstMotion = TRUE; + m_firstMotion = true; m_dragContext = (GdkDragContext*) NULL; m_dragWidget = (GtkWidget*) NULL; m_dragData = (GtkSelectionData*) NULL; @@ -482,7 +484,7 @@ wxDragResult wxDropTarget::OnDragOver( wxCoord WXUNUSED(x), bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) ) { if (!m_dataObject) - return FALSE; + return false; return (GetMatchingPair() != (GdkAtom) 0); } @@ -510,7 +512,7 @@ GdkAtom wxDropTarget::GetMatchingPair() GList *child = m_dragContext->targets; while (child) { - GdkAtom formatAtom = (GdkAtom) GPOINTER_TO_INT(child->data); + GdkAtom formatAtom = GPOINTER_TO_INT(child->data); wxDataFormat format( formatAtom ); #ifdef __WXDEBUG__ @@ -530,19 +532,19 @@ GdkAtom wxDropTarget::GetMatchingPair() bool wxDropTarget::GetData() { if (!m_dragData) - return FALSE; + return false; if (!m_dataObject) - return FALSE; + return false; wxDataFormat dragFormat( m_dragData->target ); if (!m_dataObject->IsSupportedFormat( dragFormat )) - return FALSE; + return false; m_dataObject->SetData( dragFormat, (size_t)m_dragData->length, (const void*)m_dragData->data ); - return TRUE; + return true; } void wxDropTarget::UnregisterWidget( GtkWidget *widget ) @@ -655,11 +657,11 @@ source_drag_data_get (GtkWidget *WXUNUSED(widget), /* disable GUI threads */ #endif - gtk_selection_data_set( selection_data, - selection_data->target, - 8, // 8-bit - d, - size ); + gtk_selection_data_set( selection_data, + selection_data->target, + 8, // 8-bit + d, + size ); #if wxUSE_THREADS /* enable GUI threads */ @@ -675,7 +677,7 @@ 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) @@ -714,7 +716,7 @@ static void source_drag_end( GtkWidget *WXUNUSED(widget), // printf( "Drag source: drag_end.\n" ); - drop_source->m_waiting = FALSE; + drop_source->m_waiting = false; } } @@ -744,7 +746,7 @@ wxDropSource::wxDropSource(wxWindow *win, const wxIcon &iconMove, const wxIcon &iconNone) { - m_waiting = TRUE; + m_waiting = true; m_iconWindow = (GtkWidget*) NULL; @@ -763,7 +765,7 @@ wxDropSource::wxDropSource(wxDataObject& data, const wxIcon &iconMove, const wxIcon &iconNone) { - m_waiting = TRUE; + m_waiting = true; SetData( data ); @@ -821,18 +823,14 @@ void wxDropSource::PrepareIcon( int action, GdkDragContext *context ) gdk_window_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); @@ -858,12 +856,20 @@ 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; + g_blockEventsOnDrag = true; RegisterWindow(); - m_waiting = TRUE; + m_waiting = true; GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 ); @@ -878,30 +884,6 @@ 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; - -#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; @@ -914,8 +896,8 @@ wxDragResult wxDropSource::DoDragDrop(int flags) GdkDragContext *context = gtk_drag_begin( m_widget, target_list, (GdkDragAction)action, - button_number, /* number of mouse button which started drag */ - (GdkEvent*) &event ); + g_lastButtonNumber, // number of mouse button which started drag + (GdkEvent*) g_lastMouseEvent ); m_dragContext = context; @@ -927,13 +909,8 @@ wxDragResult wxDropSource::DoDragDrop(int flags) m_retValue = ConvertFromGTK(context->action); if ( m_retValue == wxDragNone ) m_retValue = wxDragCancel; - } - -#if wxUSE_THREADS - /* re-enable GUI threads */ -#endif - g_blockEventsOnDrag = FALSE; + g_blockEventsOnDrag = false; UnregisterWindow();