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!7

cmodule2 FixFonts > DynEnabled {
  switchable int fontSize = 16;
  
  transient RSTOverQ rstUpdateAllModules = dm_rstOverModuleQ(this, r updateAllModules_impl);
  
  start {
    dm_onAnyModuleVisualized(mod -> {
      //print("Module " + mod + " visualized: " + dm_vis(mod));
      dm_q(r { updateModule(mod) });
    });
    dm_onFieldChangeAndNow(ll("fontSize", "enabled"), r updateAllModules);
    
    dm_vmBus_onMessage updateLayoutNow(voidfunc(JComponent c) {
      updateComponent(c);
    });
    
    dm_vmBus_answerToMessage formSafetyMargin(() -> 20);
  }
  
  visualize {
    JComponent c = super.visualize();
    addToControlArea(dm_intSpinnerWithLabel fontSize(1, 100));
    ret jfullcenter(c);
  }
  
  void updateAllModules { rstUpdateAllModules.trigger(); }
  
  void updateAllModules_impl {
    if (!enabled) ret;
    L mods = lambdaFilter dm_isShowing(dm_moduleIDs());
    if (empty(mods)) ret;
    time {
      print("Setting font size of " + nModules(mods) + " to " + fontSize + "...");
      for (O mod : mods)
        updateModule(mod);
    }
  }
  
  void updateModule(O mod) {
    if (!enabled) ret;
    updateComponent(dm_vis(mod));
  }
  
  void updateComponent(JComponent c) {
    if (c != null) swing {
      setAllStandardFontSizesRecursively(c, fontSize, c2 ->
        !eq(shortClassName(c2), "RSyntaxTextArea"));
    }
  }
}