I tried it very similar to your version, but like you had no success. The message function didn't react on any message (I tried several ones).

bummer, I will email support

Have not heard back from support yet obviously, but I figured out a solution without ScanMessage.

Try this example (should run fine):
Code:

---

 
#include <acknex.h>
#include <default.c>
#include <windows.h>

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);

function main()
{
	wait(1);
	
	HMENU menu=CreateMenu();
	HMENU hSubMenu=CreateMenu();
	InsertMenu(hSubMenu,0,MF_BYPOSITION|MF_STRING,1,"BEEP");
	InsertMenu(hSubMenu,1,MF_BYPOSITION|MF_STRING,2,"QUIT");
	InsertMenu(menu,0,MF_BYPOSITION|MF_STRING|MF_POPUP,hSubMenu,"File");
	
	SetWindowLong(hWnd,GWL_WNDPROC, WndProc); 
	
	//Change Window style to activate Maximize button
	SetWindowLong(hWnd,GWL_STYLE, WS_CAPTION+WS_SYSMENU+WS_MINIMIZEBOX+WS_MAXIMIZEBOX+WS_SIZEBOX); 
	SetMenu(hWnd,menu);
	ShowWindow(hWnd,SW_SHOW);
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){
	switch(message){
		case WM_LBUTTONDOWN:
			MessageBox(NULL, "L mouse down","info", MB_OK);
			break;
		case WM_RBUTTONDOWN:
			MessageBox(NULL, "R mouse down","info", MB_OK);
			break;
		case WM_COMMAND:
			switch(wParam){
				case 1: beep(); break;
				case 2: sys_exit(NULL);
			}
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return(0);
}
 

---

I will make a nice example with some common dialogs and post in Lite-C contributions

Thx

it worked.

This works for me:

Code:

---

LRESULT CALLBACK ScanMessage(UINT message, WPARAM wParam, LPARAM lParam)
{
	switch(message)
	{
		
		case WM_CLOSE:
			sys_exit(NULL);

		case WM_QUIT:
			sys_exit(NULL);

		case WM_KILLFOCUS:
			ED_WindowFocus = false;

		case WM_SETFOCUS:
			ED_WindowFocus = true;

		case WM_COMMAND:
		{
			switch(wParam)
			{
				case 1:
				{
					break;
				}
				case 2:
				{
					break;
				}
				case 3:
				{
					sys_exit(NULL);
					break;
				}
			}
		}
		
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
	}
	
	return(0);
}

---

JCL, please add an example for this to the manual.

I tried something like this but the function was never called. How is the ScanMessage function called?

I used "SetWindowLong(hWnd,GWL_WNDPROC, WndProc);" to set the window procedure to my function. I tried the same with ScanMessage but it didn't work because ScanMessage does not have the same format (no hWnd parameter)

I assume it's already set by default, but why isn't it being called then?

@TWO,

I've noticed that my method prevents me from using all the key_... variables. I guess this is because they are set by the default Acknex window procedure, and I am not using the default window procedure.
Does your method of using ScanMessage cause the same problem or can you still use the key_... variables? I also still don't know how to use ScanMessage. (I understand the format of the callback function, but not how it gets called). Could you provide some advice?

yorisimo, that's why the ScanMessage thing was implemented. So the engine can handle incoming messages and than pass them to the SM func.

Just define the function like I've done, it should work well.

Could someone try this and let me know if it works. It's not working for me for some reason. When you resize (by dragging) the window it should give a message and beep. Thanks

Code:

---

 
#include <acknex.h>
#include <windows.h>

LRESULT CALLBACK ScanMessage(UINT message, WPARAM wParam, LPARAM lParam);

function main() {
	level_load("box.wmb"); wait(-.5);
	while(1){
		wait(1);
	}
}

LRESULT CALLBACK ScanMessage(UINT message, WPARAM wParam, LPARAM lParam)
{
	switch(message)
	{	
		case WM_SIZE:
			error("window resized");
			beep(); break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
	}
	
	return(0);
}
 

---

From GS email support:
"you must not name your function "ScanMessage" because
there's already a function pointer of this name (see manual). And you'll
need that pointer for implementing a message loop."
AND
"You must not have a default case, and not call DefWindowProc. Otherwise
the Windows Message loop is called twice for most messages, with
undesired effects."

@TWO: are you sure that your implementation of ScanMessage works? I noticed that most of your callbacks do default things (like exit)

How do you use the ScanMessage function pointer to implement the message loop?

I assumed it was something like this, but it's still not working (MyMessageFunction should cause a beep and error message when the window is resized):
Code:

---

 
#include <acknex.h>
#include <windows.h>

long MyMessageFunction(UINT message, WPARAM wParam, LPARAM lParam);

function main() {
	ScanMessage=MyMessageFunction;
	while(1) {
		wait(1);
	}
}

long MyMessageFunction(UINT message, WPARAM wParam, LPARAM lParam){
	switch(message){
		case WM_SIZE:
			beep();
			error("resized"); 
			return(0);
	}			
}
 

---