SmartAudio/package/minigui/libminigui-gpl/patches/0008-add-scroll-and-filling-event.patch

--- a/src/kernel/init.c
+++ b/src/kernel/init.c
@@ -85,6 +85,15 @@
     MSG Msg;
     static int mouse_x = 0, mouse_y = 0;
 
+    static unsigned int scrolltime;
+    static int scrollX;
+    static int scrollY;
+    static int flingX;
+    static int flingY;
+    int deltX;
+    int deltY;
+    int direction = 0;
+    int velocity = 0;
     ke = &(lwe->data.ke);
     me = &(lwe->data.me);
     Msg.hwnd = HWND_DESKTOP;
@@ -126,6 +135,11 @@
             break;
         case ME_LEFTDOWN:
             Msg.message = MSG_LBUTTONDOWN;
+            scrolltime = __mg_timer_counter;
+            scrollX = me->x;
+            scrollY = me->y;
+            flingX  = me->x;
+            flingY  = me->y;
             break;
         case ME_LEFTUP:
             Msg.message = MSG_LBUTTONUP;
@@ -155,6 +169,55 @@
         }
 
         QueueDeskMessage (&Msg);
+		if (Msg.message == MSG_MOUSEMOVE) {
+            if (__mg_timer_counter >(scrolltime+10)) {
+                deltX = me->x - scrollX;
+                deltY = me->y - scrollY;
+                scrolltime = __mg_timer_counter;
+                scrollX = me->x;
+                scrollY = me->y;
+                if (abs(deltX) > abs(deltY)) {
+                    velocity = abs(deltX);
+                    if(deltX>0)
+                        direction = MOUSE_RIGHT;
+                    else
+                        direction = MOUSE_LEFT;
+                } else {
+                    velocity = abs(deltY);
+                    if(deltY>0)
+                        direction = MOUSE_DOWN;
+                    else
+                        direction = MOUSE_UP;
+                }
+                Msg.message = MSG_MOUSE_SCROLL;
+                Msg.wParam  = MAKELONG (direction, velocity);
+                Msg.lParam  = MAKELONG (me->x, me->y);
+                QueueDeskMessage (&Msg);
+            }
+        }
+        if (Msg.message == MSG_LBUTTONUP) {
+            deltX = me->x - flingX;
+            deltY = me->y - flingY;
+            if (abs(deltX)>20 || abs(deltY)>20) {
+                if (abs(deltX) > abs(deltY)) {
+                    velocity = abs(deltX);
+                    if(deltX>0)
+                        direction = MOUSE_RIGHT;
+                    else
+                        direction = MOUSE_LEFT;
+                } else {
+                    velocity = abs(deltY);
+                    if(deltY>0)
+                        direction = MOUSE_DOWN;
+                    else
+                        direction = MOUSE_UP;
+                }
+                Msg.message = MSG_MOUSE_FLING;
+                Msg.wParam  = MAKELONG (direction, velocity);
+                Msg.lParam  = MAKELONG (me->x, me->y);
+                QueueDeskMessage (&Msg);
+            }
+        }
     }
 }
 
--- a/src/kernel/desktop-comm.c
+++ b/src/kernel/desktop-comm.c
@@ -2142,6 +2142,29 @@
             dskRefreshAllWindow (&invrc);
         }
         break;
+		case MSG_MOUSE_SCROLL:
+        case MSG_MOUSE_FLING:
+        {
+            flags = (int)wParam;
+            x = LOSWORD (lParam);
+            y = HISWORD (lParam);
+            PMAINWIN pUnderPointer;
+            PMAINWIN pCtrlPtrIn;
+            if (__mg_capture_wnd) {
+                 PostMessage (__mg_capture_wnd, message,
+                                 flags | KS_CAPTURED, MAKELONG (x, y));
+                 return 0;
+             }
+             pCtrlPtrIn = gui_GetMainWindowPtrUnderPoint (x, y);
+             if (pCtrlPtrIn && pCtrlPtrIn->WinType == TYPE_CONTROL)
+			 	pUnderPointer = pCtrlPtrIn->pMainWin;
+			 else {
+                 pUnderPointer = pCtrlPtrIn;
+                 pCtrlPtrIn = NULL;
+             }
+             PostMessage((HWND)pUnderPointer, message, wParam, lParam);
+        }
+        break;
 
         case MSG_BROADCASTMSG:
             return dskBroadcastMessage ((PMSG)lParam);