The mouse_child_funct function is a callback function used by the MOUSE_CHILD_FUNCT macro discussed in the topic Defining Mouse Rectangles. You provide this function, and the Panel system calls mouse_child_funct when the specified mouse event occurs.
Syntax
BOOL mouse_child_funct(PPIXPOINT relative_point, FLAGS32 mouse_flags)
The mouse_child_funct function has these parameters:
| Parameter | Description |
| PPIXPOINT relative_point | Specifies the point in the gauge that was clicked. |
| FLAGS32 mouse_flags | Returns one of the following mouse events: MOUSE_NONE MOUSE_RIGHTSINGLE MOUSE_MIDDLESINGLE MOUSE_LEFTSINGLE MOUSE_RIGHTDOUBLE MOUSE_MIDDLEDOUBLE MOUSE_LEFTDOUBLE MOUSE_RIGHTDRAG MOUSE_MIDDLEDRAG MOUSE_LEFTDRAG MOUSE_MOVE MOUSE_DOWN_REPEAT MOUSE_KEYBOARD |
Return Values
The mouse_child_funct function has this return value:
| Return Value | Description |
| FALSE | The mouse_child_funct always returns FALSE. |
Example
MOUSE_FUNCTION mouse_hdg_cb;
BOOL mouse_hdg_cb(PPIXPOINT relative_point, FLAGS32 mouse_flags)
{
if(icon_ap.source_var.var_value.n)'Autopilot is off.
{
trigger_key_event(KEY_AP_MASTER, 0);
trigger_key_event(KEY_AP_PANEL_HEADING_HOLD, 0);
}
else if(icon_hdg.source_var.var_value.n)'Heading hold is off.
{
trigger_key_event(KEY_AP_PANEL_HEADING_HOLD, 0);
}
else
{
trigger_key_event(KEY_AP_PANEL_HEADING_HOLD, 0);
trigger_key_event(KEY_AP_WING_LEVELER, 0);
}
return FALSE;
}