src/frontends/xforms/FormMinipage.C

   1 /**
   2  * \file FormMinipage.C
   3  * Copyright 2000-2001 The LyX Team.
   4  * See the file COPYING.
   5  *
   6  * \author Jürgen Vigna, jug@sad.it
   7  */
   8
   9 #include <config.h>
  10
  11 #ifdef __GNUG__
  12 #pragma implementation
  13 #endif
  14
  15 #include "xformsBC.h"
  16 #include "ControlMinipage.h"
  17 #include "FormMinipage.h"
  18 #include "forms/form_minipage.h"
  19 #include "support/lstrings.h"
  20 #include "helper_funcs.h"
  21 #include "debug.h"
  22 #include "xforms_helpers.h"
  23 #include FORMS_H_LOCATION
  24
  25 typedef FormCB<ControlMinipage, FormDB<FD_minipage> > base_class;
  26
  27 FormMinipage::FormMinipage()
  28         : base_class(_("Minipage Options"))
  29 {}
  30
  31
  32 void FormMinipage::build()
  33 {
  34         dialog_.reset(build_minipage(this));
  35
  36         // Allow the base class to control messages
  37         setMessageWidget(dialog_->text_warning);
  38
  39         fl_set_input_return(dialog_->input_width, FL_RETURN_CHANGED);
  40         setPrehandler(dialog_->input_width);
  41
  42         string const choice = getStringFromVector(getLatexUnits(), "|");
  43         fl_addto_choice(dialog_->choice_width_units, subst(choice, "%", "%%").c_str());
  44
  45         // Manage the ok, apply and cancel/close buttons
  46         bc().setOK(dialog_->button_ok);
  47         bc().setApply(dialog_->button_apply);
  48         bc().setCancel(dialog_->button_close);
  49         bc().setRestore(dialog_->button_restore);
  50
  51         bc().addReadOnly(dialog_->input_width);
  52         bc().addReadOnly(dialog_->choice_width_units);
  53         bc().addReadOnly(dialog_->radio_top);
  54         bc().addReadOnly(dialog_->radio_middle);
  55         bc().addReadOnly(dialog_->radio_bottom);
  56 }
  57
  58
  59 void FormMinipage::apply()
  60 {
  61         controller().params().pageWidth =
  62                 LyXLength(getLengthFromWidgets(dialog_->input_width,
  63                                                dialog_->choice_width_units));
  64
  65         if (fl_get_button(dialog_->radio_top))
  66                 controller().params().pos = InsetMinipage::top;
  67         else if (fl_get_button(dialog_->radio_middle))
  68                 controller().params().pos = InsetMinipage::center;
  69         else
  70                 controller().params().pos = InsetMinipage::bottom;
  71 }
  72
  73
  74 void FormMinipage::update()
  75 {
  76         LyXLength len(controller().params().pageWidth);
  77         fl_set_input(dialog_->input_width, tostr(len.value()).c_str());
  78         fl_set_choice(dialog_->choice_width_units, len.unit() + 1);
  79
  80         switch (controller().params().pos) {
  81         case InsetMinipage::top:
  82                 fl_set_button(dialog_->radio_top, 1);
  83                 break;
  84         case InsetMinipage::center:
  85                 fl_set_button(dialog_->radio_middle, 1);
  86                 break;
  87         case InsetMinipage::bottom:
  88                 fl_set_button(dialog_->radio_bottom, 1);
  89                 break;
  90         }
  91 }
  92
  93
  94 ButtonPolicy::SMInput FormMinipage::input(FL_OBJECT * ob, long)
  95 {
  96         clearMessage();
  97
  98         ButtonPolicy::SMInput action = ButtonPolicy::SMI_NOOP;
  99
 100         if (ob == dialog_->radio_top ||
 101             ob == dialog_->radio_middle ||
 102             ob == dialog_->radio_bottom ||
 103             ob == dialog_->choice_width_units)
 104                 return ButtonPolicy::SMI_VALID;
 105
 106         // disallow senseless data
 107         // warnings if input is senseless
 108         if (ob == dialog_->input_width) {
 109                 string const input = getString(dialog_->input_width);
 110                 bool const invalid = !isValidLength(input) && !isStrDbl(input);
 111                 if (invalid) {
 112                         postWarning(_("Invalid Length!"));
 113                         action = ButtonPolicy::SMI_INVALID;
 114                 } else {
 115                         action = ButtonPolicy::SMI_VALID;
 116                 }
 117         }
 118
 119         return action;
 120 }