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Text File  |  1995-12-19  |  2.9 KB  |  73 lines  |  [TEXT/PRLG]
  1. simple_modal_dialog :-
  2.         purge_events(dialog),
  3.         new_dialog('Dialog Samples',128,Reference),
  4.         wait_for_event(dialog,[Reference,Item]),(Item==1;Item==2),
  5.         (Item==1 /* 1 is the OK button */ -> beep;true),
  6.         close_dialog(Reference).
  7.  
  8. smarter_modal_dialog :-
  9.         purge_events(dialog),
  10.         new_dialog('Dialog Samples','Smart Dialog',Reference),
  11.         wait_for_event(dialog,[Reference,Item]),
  12.         process_smarter_dialog_hits(Item,Reference),
  13.         close_dialog(Reference).
  14.  
  15. process_smarter_dialog_hits(1,Reference) :- %1 is the Beep button
  16.         %disable controls while beeping…
  17.         set_dialog_property([Reference,1],active(false)),
  18.         set_dialog_property([Reference,2],active(false)),
  19.         set_dialog_property([Reference,4],active(false)),
  20.         beep, %give one beep anyway
  21.         current_dialog_property([Reference,4],value(X)), %4 is the check box
  22.         (X==1->beep;true),
  23.         %re-enable the controls…
  24.         set_dialog_property([Reference,1],active(true)),
  25.         set_dialog_property([Reference,2],active(true)),
  26.         set_dialog_property([Reference,4],active(true)),
  27.         wait_for_event(dialog,[Reference,Item]),!,
  28.         process_smarter_dialog_hits(Item,Reference).
  29. process_smarter_dialog_hits(2,Reference). %2 is the Cancel button
  30. process_smarter_dialog_hits(4,Reference) :- %4 is the Check Box button
  31.         toggle([Reference,4]),
  32.         wait_for_event(dialog,[Reference,Item]),!,
  33.         process_smarter_dialog_hits(Item,Reference).
  34.  
  35. toggle(Ref) :-
  36.         current_dialog_property(Ref,value(V)),
  37.         toggle_value(V,I),
  38.         set_dialog_property(Ref,value(I)).
  39.  
  40. toggle_value(0,1).
  41. toggle_value(1,0).
  42.  
  43. modeless_dialogs :-
  44.         purge_events(dialog),
  45.         new_dialog('Dialog Samples','Plus',PlusRef),
  46.         new_dialog('Dialog Samples','Minus',MinusRef),
  47.         wait_for_event(dialog,[Reference,Item]),
  48.         process_modeless_dialog_hits(Item,Reference,PlusRef,MinusRef),
  49.         close_dialog(MinusRef),
  50.         close_dialog(PlusRef).
  51.  
  52. process_modeless_dialog_hits(1,_,_,_) :- !. % Item 1 - the ‘Close’ button
  53. process_modeless_dialog_hits(1000,_,_,_) :- !. % Close Box or Close Menu
  54. process_modeless_dialog_hits(_,Ref,PlusRef,MinusRef) :- %all other items
  55.         current_dialog_property([Ref,2],value(N1)),
  56.         current_dialog_property([Ref,4],value(N2)),
  57.         (number(N1),number(N2)->
  58.         (Ref==PlusRef->V is N1+N2;Ref==MinusRef->V is N1-N2);
  59.         V = 'value!'),
  60.         set_dialog_property([Ref,6],value(V)),
  61.         wait_for_event(dialog,[Reference,Item]),
  62.         process_modeless_dialog_hits(Item,Reference,PlusRef,MinusRef).
  63.  
  64. modeless_beep_dialog :-
  65.         new_dialog('Dialog Samples','Modeless Beep',_).
  66.  
  67. handle_dialog_interrupt([D|Spec]) :-
  68.         current_dialog_property([D],name('Beeper')),
  69.         process_modeless_beep_dialog([D|Spec]).
  70.  
  71. process_modeless_beep_dialog([_,1]) :- beep.
  72. process_modeless_beep_dialog([D,1000]) :- close_dialog(D).
  73.