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cwIoFlowCtl.h/cpp: Added _ui_callback() to pass variable values from the flow network to the UI.

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Also added set_variable_user_id().
This commit is contained in:
kevin 2024-10-14 14:22:51 -04:00
parent bad1d3953d
commit e0aeb258cd
2 changed files with 79 additions and 1 deletions
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78
cwIoFlowCtl.cpp
View File

@ -523,6 +523,77 @@ namespace cw
return rc;
}
template< typename T >
rc_t _ui_callback_tpl( io_flow_ctl_t* p, const flow::ui_var_t* ui_var )
{
rc_t rc;
T value;
if((rc = get_variable_value(p->flowH,ui_var,value)) != kOkRC )
{
rc = cwLogError(rc,"The variable value could not be read.");
goto errLabel;
}
if((rc = uiSendValue(p->ioH,ui_var->user_id,value)) != kOkRC )
{
rc = cwLogError(rc,"UI element data transmission failed.");
goto errLabel;
}
errLabel:
return rc;
}
// This function is called with messages for the UI from the flow proc instances
rc_t _ui_callback( void* arg, const flow::ui_var_t* ui_var )
{
rc_t rc = kOkRC;
io_flow_ctl_t* p = (io_flow_ctl_t*)arg;
if( ui_var->user_id == kInvalidId )
{
rc = cwLogError(kInvalidArgRC,"The user_id (uuid) of the variable was not set.");
goto errLabel;
}
switch( ui_var->value_tid & flow::kTypeMask )
{
case flow::kBoolTFl:
rc = _ui_callback_tpl<bool>(p,ui_var);
break;
case flow::kIntTFl:
rc = _ui_callback_tpl<int>(p,ui_var);
break;
case flow::kUIntTFl:
rc = _ui_callback_tpl<unsigned>(p,ui_var);
break;
case flow::kFloatTFl:
rc = _ui_callback_tpl<float>(p,ui_var);
break;
case flow::kDoubleTFl:
rc = _ui_callback_tpl<double>(p,ui_var);
break;
case flow::kStringTFl:
rc = _ui_callback_tpl<const char*>(p,ui_var);
break;
}
errLabel:
if( rc != kOkRC )
rc = cwLogError(rc,"Update of UI element of '%s:%i-%s:%i' failed.",cwStringNullGuard(ui_var->ui_proc->label),ui_var->ui_proc->label_sfx_id,cwStringNullGuard(ui_var->label),ui_var->label_sfx_id);
return rc;
}
}
}
@ -632,7 +703,9 @@ cw::rc_t cw::io_flow_ctl::program_load( handle_t h, unsigned pgm_idx )
p->proc_class_dict_cfg,
p->pgmA[ pgm_idx ].cfg,
p->udp_dict_cfg,
p->proj_dir )) != kOkRC )
p->proj_dir,
_ui_callback,
p)) != kOkRC )
{
rc = cwLogError(rc,"Network configuration failed.");
goto errLabel;
@ -820,6 +893,9 @@ cw::rc_t cw::io_flow_ctl::get_variable_value( handle_t h, const flow::ui_var_t*
cw::rc_t cw::io_flow_ctl::get_variable_value( handle_t h, const flow::ui_var_t* ui_var, const char*& value_ref )
{ return get_variable_value( _handleToPtr(h)->flowH, ui_var, value_ref ); }
cw::rc_t cw::io_flow_ctl::set_variable_user_id( handle_t h, const flow::ui_var_t* ui_var, unsigned user_id )
{ return set_variable_user_id( _handleToPtr(h)->flowH, ui_var, user_id ); }
cw::rc_t cw::io_flow_ctl::set_variable_value( handle_t h, const flow::ui_var_t* ui_var, bool value )
{ return set_variable_value( _handleToPtr(h)->flowH, ui_var, value ); }
cw::rc_t cw::io_flow_ctl::set_variable_value( handle_t h, const flow::ui_var_t* ui_var, int value )

2
cwIoFlowCtl.h
View File

@ -61,6 +61,8 @@ namespace cw
rc_t get_variable( handle_t h, const flow::ui_var_t* ui_var, T& value_ref )
{ return get_variable_value(h,ui_var,value_ref); }
rc_t set_variable_user_id( handle_t h, const flow::ui_var_t* ui_var, unsigned user_id );
rc_t set_variable_value( handle_t h, const flow::ui_var_t* ui_var, bool value );
rc_t set_variable_value( handle_t h, const flow::ui_var_t* ui_var, int value );
rc_t set_variable_value( handle_t h, const flow::ui_var_t* ui_var, unsigned value );