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{Screen}


(including protected members)



CLASS {Screen}
, UNTESTED :








A helper class to control all the forms of the application.



IMPORT : 
{AL4_form}
, 
{Long_operation}
 .




------------------------------------------------------------------- 'forms'


{Form} 
All_forms[]
 , READ






{Form} 
Main_form_
 , READ





   







FUN 
Get_main_form

 ==> {Form} 











METHOD 
Set_main_form

(
{Form} 
Value|_main_form
)











METHOD 
Form|_by_alias

(
STR 
Alias|_to_identify_form
)
 ==> {Form} 







REAL 
Default_font_size|_in_points






STR 
Default_font_face







--------------------------------------------- 'call to run the application'

 






METHOD 
Run|_application

(
{Form} 
Form_main
)








------------------------------------------------------------- 'active form'

  






METHOD 
Active_form

 ==> {Form} 











METHOD 
Activate_form

(

     {Form} 
F|orm_to_activate
)
 , DEPRECATED('Platform dependent - ignored in Linux')








---------------------------------------------- 'event: a form is destroyed'

 






METHOD 
Form_destroyed

(
{Form} 
F|orm_to_destroy
)








-------------------------------------------- 'Check if menu loop is active'


BOOL 
In_menu|_loop_now
 , READ







------------------------------------------------ 'several monitor displays'

     







FUNCTION 
Fake_monitor

(

     {Geometry}.{rect} 
Bounds|_of_monitor_added_to_list
, 

     BOOL 
Clear|_before_adding
)












FUNCTION 
List_monitors|_call_before_accessing_monitors_via_Count_monitors_Monitors













FUNCTION 
Count_monitors

 ==> INT 












FUNCTION 
Monitor|_by_index

(

     INT 
Index|_of_monitor_call_List_monitors_first
)
 ==> {rect} 












FUNCTION 
Bounds|_of_entire_screen

 ==> {rect} 








--------------------------------------------------------- 'Long operations'


{Form} 
Form_operation_|set_before_each_callback_event_call_





  







FUNCTION 
Last_time|_activity_checked

 ==> {Date_time}.{date_time} 












FUNCTION 
Last_time_set|_to_Now








{Long_operation} 
long_operation_internal|dialog_created_and_shown_automatically_or_by_calling_Long_operation_local





 






METHOD 
In_progress|_long_operation_call_from_program_to_ensure_your_code_still_live

(

     STR 
Stage|_description
, 

     REAL 
Percent|_ready
)
 , CALLBACK








---------------------------------------------------------------- 'Messages'


BOOL 
Fake_answer






BOOL 
Answer_default





  






METHOD 
Message|_show

(
{Form} 
Form_parent
, 
STR 
Text|_show
)











METHOD 
Ask|_question_yes_no

(

     {Form} 
Form_parent
, 

     STR 
A|nswer_text
)
 ==> BOOL 







STR 
Fake_menu|_action_clicked





 






METHOD 
Menu_popup

(
{Form} 
Form_parent
, 
STR 
Menu_def|inition
)







END