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Thread: Control WindowProc not firing events

  1. #1
    Clicker Fusion 2.5 Developer

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    Control WindowProc not firing events

    Hi,

    I am trying to get to grips with the SDK after being away from Fusion for a long time.

    I am trying to adapt the SimpleControl example to a TreeView. I cannot get it to fire events, however. This is my WindowProc. Can anyone point out what I am doing wrong?

    Code:
    LRESULT CALLBACK DLLExport WindowProc(fprh rhPtr, HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
    {
    	LPRDATA rdPtr = NULL;
    
    	switch (nMsg) {
    
    	case WM_NOTIFY:
    
    		if (((LPNMHDR)lParam)->code == NM_RCLICK)
    		{
    			// Is it this edit control?
    			if (((rdPtr = GetRdPtr((HWND)lParam, rhPtr)) != NULL) && (IDENTIFIER == rdPtr->rHo.hoIdentifier))
    			{
    				// Yes => set flag to trigger a CND_CHANGED condition in the next call to HandleRunObject
    				rdPtr->dwLastRightClickedLoopNumber = rhPtr->rh4.rh4EventCount;
    				rdPtr->dwEvtFlags |= EVTFLAG_RIGHTCLICK;
    			}
    		}
    		break;
    
    	default:
    		return 0;
    	}
    
    	return 0;
    }

  2. #2
    Clickteam Clickteam

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    Something is wrong, you do both (LPNMHDR)lParam and (HWND)lParam. I suppose you should replace (HWND)lParam by ((LPNMHDR)lParam)->hwndFrom

  3. #3
    Clicker Fusion 2.5 Developer

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    Yup, that fixed it. Thanks, Yves! I did not realise there was a difference between WM_COMMAND and WM_NOTIFY when retrieving the hWnd.

  4. #4
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    I'm experiencing a new problem. The right-click event never fires...when I test for it in the event editor, it thinks the other two events are firing. What am I doing wrong?
    Code:
    LRESULT CALLBACK DLLExport WindowProc(fprh rhPtr, HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
    {
    	LPRDATA rdPtr = NULL;
    
    	switch (nMsg) {
    
    		case WM_NOTIFY:
    
    			switch (((LPNMHDR)lParam)->code) {
    
    				case TVN_SELCHANGED:
    					if (((rdPtr = GetRdPtr(((LPNMHDR)lParam)->hwndFrom, rhPtr)) != NULL) && (IDENTIFIER == rdPtr->rHo.hoIdentifier))
    					{
    						//rdPtr->dwLastSelChangedLoopNumber = rhPtr->rh4.rh4EventCount;
    						rdPtr->dwEvtFlags |= EVTFLAG_ONSELCHANGED;
    						return REFLAG_MSGHANDLED;
    					}
    
    				case NM_DBLCLK:
    					if (((rdPtr = GetRdPtr(((LPNMHDR)lParam)->hwndFrom, rhPtr)) != NULL) && (IDENTIFIER == rdPtr->rHo.hoIdentifier))
    					{
    						//rdPtr->dwLastDoubleClickedLoopNumber = rhPtr->rh4.rh4EventCount;
    						rdPtr->dwEvtFlags |= EVTFLAG_ONDOUBLECLICKED;
    						return REFLAG_MSGHANDLED;
    					}
    
    				case NM_RCLICK:
    					if (((rdPtr = GetRdPtr(((LPNMHDR)lParam)->hwndFrom, rhPtr)) != NULL) && (IDENTIFIER == rdPtr->rHo.hoIdentifier))
    					{
    						POINT sMouse;
    						TVHITTESTINFO hTest;
    						HTREEITEM hItem;
    						GetCursorPos(&sMouse);
    						ScreenToClient(rdPtr->hWnd, &sMouse);
    						hTest.pt.x = sMouse.x;
    						hTest.pt.y = sMouse.y;
    						hTest.flags = TVHT_ONITEMRIGHT;
    						hItem = TreeView_HitTest(rdPtr->hWnd, &hTest);
    						if (hItem != NULL)
    							TreeView_SelectItem(rdPtr->hWnd, hItem);
    
    						rdPtr->dwEvtFlags |= EVTFLAG_ONRIGHTCLICKED;
    						return REFLAG_MSGHANDLED;
    					}
    
    				default:
    					break;
    			}
    
    		default:
    			break;
    	}
    
    	return 0;
    }

  5. #5
    Clicker Fusion 2.5 MacFusion 2.5 DeveloperAndroid Export ModuleHTML5 Export ModuleiOS Export ModuleSWF Export ModuleXNA Export ModuleUnicode Add-on
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    Quote Originally Posted by waffles View Post
    I'm experiencing a new problem. The right-click event never fires... when I test for it in the event editor, it thinks the other two events are firing.
    So the case NM_RCLICK never runs?

    Also, you should put a break; after the if, like if(...){...} break;
    In C/C++, if you don't break for a match, the code will "fall through" and run the next case, as if the condition matches the next case.

  6. #6
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    NM_RCLICK does run...for example, if I put MessageBox in there, the dialog appears upon a right-click. The event just doesn't run, so nothing in the event editor runs upon a right-click. Adding the breaks doesn't fix it, but thank you for the information about that.

    Maybe I'm doing something wrong elsewhere? This is my HandleRunObject function:
    Code:
    short WINAPI DLLExport HandleRunObject(LPRDATA rdPtr)
    {
    	if ((rdPtr->dwEvtFlags & EVTFLAG_ONSELCHANGED) != 0)
    	{
    		callRunTimeFunction(rdPtr, RFUNCTION_PUSHEVENTSTOP, CND_ONSELCHANGED, 0);
    		rdPtr->dwEvtFlags &= ~EVTFLAG_ONSELCHANGED;
    	}
    	
    	if ((rdPtr->dwEvtFlags & EVTFLAG_ONDOUBLECLICKED) != 0)
    	{
    		callRunTimeFunction(rdPtr, RFUNCTION_PUSHEVENTSTOP, CND_ONDOUBLECLICKED, 0);
    		rdPtr->dwEvtFlags &= ~EVTFLAG_ONDOUBLECLICKED;
    	}
    	
    	if ((rdPtr->dwEvtFlags & EVTFLAG_ONRIGHTCLICKED) != 0)
    	{
    		callRunTimeFunction(rdPtr, RFUNCTION_PUSHEVENTSTOP, CND_ONRIGHTCLICKED, 0);
    		rdPtr->dwEvtFlags &= ~EVTFLAG_ONRIGHTCLICKED;
    	}
    	return 0;
    }

  7. #7
    Clickteam Clickteam

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    Could you show the source code of the On Right Click condition?

  8. #8
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    Code:
    long WINAPI DLLExport CndOnRightClicked(LPRDATA rdPtr, long param1, long param2)
    {
    	// Always TRUE if first condition
    	if (rdPtr->rHo.hoFlags & HOF_TRUEEVENT)
    		return TRUE;
    
    	return rdPtr->dwEvtFlags & EVTFLAG_ONRIGHTCLICKED;
    }

  9. #9
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    Sorry for the double post. I still can't get this to work. Does anyone have any idea what I'm doing wrong? Thanks.

  10. #10
    Clicker Fusion 2.5 MacFusion 2.5 DeveloperAndroid Export ModuleHTML5 Export ModuleiOS Export ModuleSWF Export ModuleXNA Export ModuleUnicode Add-on
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    Typically, I would use GenerateEvent, not PushEvent, particularly if modifying internal ext data then firing events inside HandleRunObject based on it. I have yet to have a need to use PushEventStop.
    In the WindowProc part, take out the PushEvent lines entirely, and in HandleRunObject, switch to GenerateEvent.

    I would also recommend using an Edif-based SDK.

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