Test code to allow drag/drop of *file* (not URLs) into the viewer Window - Will not be pushed to main repository - only committed so I can bundle my changes and share

5 files changed, 84 insertions, 5 deletions

diff --git a/indra/llwindow/llwindowcallbacks.cpp b/indra/llwindow/llwindowcallbacks.cpp
index 72f9997149..fda2c7ee6f 100644
--- a/indra/llwindow/llwindowcallbacks.cpp
+++ b/indra/llwindow/llwindowcallbacks.cpp
@@ -163,6 +163,11 @@ void LLWindowCallbacks::handleDataCopy(LLWindow *window, S32 data_type, void *da
 {
 }
 
+BOOL LLWindowCallbacks::handleDrop(LLWindow *window, LLCoordGL pos, MASK mask, void *data)
+{
+	return FALSE;
+}
+
 BOOL LLWindowCallbacks::handleTimerEvent(LLWindow *window)
 {
 	return FALSE;
diff --git a/indra/llwindow/llwindowcallbacks.h b/indra/llwindow/llwindowcallbacks.h
index abc66c42a2..e1e257943a 100644
--- a/indra/llwindow/llwindowcallbacks.h
+++ b/indra/llwindow/llwindowcallbacks.h
@@ -68,6 +68,7 @@ public:
 	virtual void handleWindowBlock(LLWindow *window);							// window is taking over CPU for a while
 	virtual void handleWindowUnblock(LLWindow *window);							// window coming back after taking over CPU for a while
 	virtual void handleDataCopy(LLWindow *window, S32 data_type, void *data);
+	virtual BOOL handleDrop(LLWindow *window, LLCoordGL pos, MASK mask, void *data);
 	virtual BOOL handleTimerEvent(LLWindow *window);
 	virtual BOOL handleDeviceChange(LLWindow *window);
 
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index c608c21d05..94c3e1af8c 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -52,6 +52,7 @@
 #include <mapi.h>
 #include <process.h>	// for _spawn
 #include <shellapi.h>
+#include <fstream>

 #include <Imm.h>
 
 // Require DirectInput version 8
@@ -1348,6 +1349,9 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 	}
 
 	SetWindowLong(mWindowHandle, GWL_USERDATA, (U32)this);
+
+	// register this window as handling drag/drop events from the OS
+	DragAcceptFiles( mWindowHandle, TRUE );
 	
 	//register joystick timer callback
 	SetTimer( mWindowHandle, 0, 1000 / 30, NULL ); // 30 fps timer
@@ -2333,11 +2337,65 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 			return 0;
 
 		case WM_COPYDATA:
-			window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_COPYDATA");
-			// received a URL
-			PCOPYDATASTRUCT myCDS = (PCOPYDATASTRUCT) l_param;
-			window_imp->mCallbacks->handleDataCopy(window_imp, myCDS->dwData, myCDS->lpData);
+			{
+				window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_COPYDATA");
+				// received a URL
+				PCOPYDATASTRUCT myCDS = (PCOPYDATASTRUCT) l_param;
+				window_imp->mCallbacks->handleDataCopy(window_imp, myCDS->dwData, myCDS->lpData);
+			};
 			return 0;			
+
+		case WM_DROPFILES:
+			{
+				// HDROP contains what we need
+				HDROP hdrop = (HDROP)w_param;
+
+				// get location in window space where drop occured and convert to OpenGL coordinate space
+				POINT pt;
+				DragQueryPoint( hdrop, &pt );
+				LLCoordGL gl_coord;
+				LLCoordWindow cursor_coord_window( pt.x, pt.y );
+				window_imp->convertCoords(cursor_coord_window, &gl_coord);
+
+				// get payload (eventually, this needs to more advanced and grab size of payload dynamically
+				static char file_name[ 1024 ];
+				DragQueryFileA( hdrop, 0, file_name, 1024 );

+				void* url = (void*)( file_name );
+

+				// if it's a .URL or .lnk ("shortcut") file

+				if ( std::string( file_name ).find( ".lnk" ) != std::string::npos ||

+					  std::string( file_name ).find( ".URL" ) != std::string::npos )

+				{

+					// read through file - looks like a 2 line file with second line URL= but who knows..

+					std::ifstream file_handle( file_name );

+					if ( file_handle.is_open() )

+					{

+						std::string line;

+						while ( ! file_handle.eof() )

+						{

+							std::getline( file_handle, line );

+							if ( ! file_handle.eof() )

+							{

+								std::string prefix( "URL=" );

+								if ( line.find( prefix, 0 ) != std::string::npos )

+								{

+									line = line.substr( 4 );  // skip off the URL= bit

+									strcpy( (char*)url, line.c_str() );

+									break;

+								};

+							};

+						};

+						file_handle.close();

+					};

+				};

+

+				MASK mask = gKeyboard->currentMask(TRUE);

+				if (window_imp->mCallbacks->handleDrop(window_imp, gl_coord, mask, url ) )
+				{
+					return 0;
+				}
+			}
+			break;
 		}
 
 	window_imp->mCallbacks->handlePauseWatchdog(window_imp);	
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index c659e58e47..2bda6eddbc 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -815,6 +815,20 @@ BOOL LLViewerWindow::handleMiddleMouseDown(LLWindow *window,  LLCoordGL pos, MAS
   	// Always handled as far as the OS is concerned.
 	return TRUE;
 }
+
+BOOL LLViewerWindow::handleDrop(LLWindow *window,  LLCoordGL pos, MASK mask, void* data)
+{
+	LLPickInfo pick_info = pickImmediate( pos.mX, pos.mY,  TRUE /*BOOL pick_transparent*/ );
+
+	LLUUID object_id = pick_info.getObjectID();
+	S32 object_face = pick_info.mObjectFace;
+	std::string url = std::string( (char*)data );
+
+	llinfos << "### Object: picked at " << pos.mX << ", " << pos.mY << " - face = " << object_face << " - URL = " << url << llendl;
+
+  	// Always handled as far as the OS is concerned.
+	return TRUE;
+}
   
 BOOL LLViewerWindow::handleMiddleMouseUp(LLWindow *window,  LLCoordGL pos, MASK mask)
 {
diff --git a/indra/newview/llviewerwindow.h b/indra/newview/llviewerwindow.h
index d7c403739e..44704b99e3 100644
--- a/indra/newview/llviewerwindow.h
+++ b/indra/newview/llviewerwindow.h
@@ -170,7 +170,8 @@ public:
 	/*virtual*/ BOOL handleRightMouseUp(LLWindow *window,  LLCoordGL pos, MASK mask);
 	/*virtual*/ BOOL handleMiddleMouseDown(LLWindow *window,  LLCoordGL pos, MASK mask);
 	/*virtual*/ BOOL handleMiddleMouseUp(LLWindow *window,  LLCoordGL pos, MASK mask);
-	/*virtual*/ void handleMouseMove(LLWindow *window,  LLCoordGL pos, MASK mask);
+	/*virtual*/ BOOL handleDrop(LLWindow *window,  LLCoordGL pos, MASK mask, void* data);
+				void handleMouseMove(LLWindow *window,  LLCoordGL pos, MASK mask);
 	/*virtual*/ void handleMouseLeave(LLWindow *window);
 	/*virtual*/ void handleResize(LLWindow *window,  S32 x,  S32 y);
 	/*virtual*/ void handleFocus(LLWindow *window);