Drag-n-drop support on Linux

This commit implements drag-n-drop support from external applications into Blender.
Used xdnd implementation from Paul Sheer.

1 files changed, 21 insertions, 1 deletions

diff --git a/intern/ghost/intern/GHOST_SystemX11.cpp b/intern/ghost/intern/GHOST_SystemX11.cpp
index 22c16009591..7261770771a 100644
--- a/intern/ghost/intern/GHOST_SystemX11.cpp
+++ b/intern/ghost/intern/GHOST_SystemX11.cpp
@@ -42,6 +42,8 @@
 #include "GHOST_EventButton.h"
 #include "GHOST_EventWheel.h"
 #include "GHOST_DisplayManagerX11.h"
+#include "GHOST_DropTargetX11.h"
+#include "GHOST_EventDragnDrop.h"
 #ifdef WITH_INPUT_NDOF
 #include "GHOST_NDOFManagerX11.h"
 #endif
@@ -709,8 +711,12 @@ GHOST_SystemX11::processEvent(XEvent *xe)
 					}
 				}
 			} else {
-				/* Unknown client message, ignore */
+				/* try to handle drag event (if there's no such events, GHOST_HandleClientMessage will return zero) */
+				if (window->getDropTarget()->GHOST_HandleClientMessage(xe) == false) {
+					/* Unknown client message, ignore */
+				}
 			}
+
 			break;
 		}
 		
@@ -1478,3 +1484,17 @@ void GHOST_SystemX11::putClipboard(GHOST_TInt8 *buffer, bool selection) const
 			fprintf(stderr, "failed to own primary\n");
 	}
 }
+
+GHOST_TSuccess GHOST_SystemX11::pushDragDropEvent(GHOST_TEventType eventType, 
+													GHOST_TDragnDropTypes draggedObjectType,
+													GHOST_IWindow* window,
+													int mouseX, int mouseY,
+													void* data)
+{
+	GHOST_SystemX11* system = ((GHOST_SystemX11*)getSystem());
+	return system->pushEvent(new GHOST_EventDragnDrop(system->getMilliSeconds(),
+													  eventType,
+													  draggedObjectType,
+													  window,mouseX,mouseY,data)
+			);
+}