src/frontends/xforms/FormMinipage.C

   1 /**
   2  * \file FormMinipage.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "FormMinipage.h"
  14 #include "ControlMinipage.h"
  15 #include "forms/form_minipage.h"
  16
  17 #include "xforms_helpers.h"
  18 #include "xformsBC.h"
  19
  20 #include "controllers/helper_funcs.h"
  21
  22 #include "support/lstrings.h"
  23 #include "support/tostr.h"
  24
  25 #include "lyx_forms.h"
  26
  27 using namespace lyx::support;
  28
  29
  30 typedef FormController<ControlMinipage, FormView<FD_minipage> > base_class;
  31
  32 FormMinipage::FormMinipage(Dialog & parent)
  33         : base_class(parent, _("Minipage Settings"))
  34 {}
  35
  36
  37 void FormMinipage::build()
  38 {
  39         dialog_.reset(build_minipage(this));
  40
  41         // Allow the base class to control messages
  42         setMessageWidget(dialog_->text_warning);
  43
  44         fl_set_input_return(dialog_->input_width, FL_RETURN_CHANGED);
  45         setPrehandler(dialog_->input_width);
  46
  47         string const choice = getStringFromVector(getLatexUnits(), "|");
  48         fl_addto_choice(dialog_->choice_width_units, subst(choice, "%", "%%").c_str());
  49
  50         // Manage the ok, apply and cancel/close buttons
  51         bcview().setOK(dialog_->button_ok);
  52         bcview().setApply(dialog_->button_apply);
  53         bcview().setCancel(dialog_->button_close);
  54         bcview().setRestore(dialog_->button_restore);
  55
  56         bcview().addReadOnly(dialog_->input_width);
  57         bcview().addReadOnly(dialog_->choice_width_units);
  58         bcview().addReadOnly(dialog_->radio_top);
  59         bcview().addReadOnly(dialog_->radio_middle);
  60         bcview().addReadOnly(dialog_->radio_bottom);
  61 }
  62
  63
  64 void FormMinipage::apply()
  65 {
  66         controller().params().width =
  67                 LyXLength(getLengthFromWidgets(dialog_->input_width,
  68                                                dialog_->choice_width_units));
  69
  70         if (fl_get_button(dialog_->radio_top))
  71                 controller().params().pos = InsetMinipage::top;
  72         else if (fl_get_button(dialog_->radio_middle))
  73                 controller().params().pos = InsetMinipage::center;
  74         else
  75                 controller().params().pos = InsetMinipage::bottom;
  76 }
  77
  78
  79 void FormMinipage::update()
  80 {
  81         LyXLength len(controller().params().width);
  82         fl_set_input(dialog_->input_width, tostr(len.value()).c_str());
  83         fl_set_choice(dialog_->choice_width_units, len.unit() + 1);
  84
  85         switch (controller().params().pos) {
  86         case InsetMinipage::top:
  87                 fl_set_button(dialog_->radio_top, 1);
  88                 break;
  89         case InsetMinipage::center:
  90                 fl_set_button(dialog_->radio_middle, 1);
  91                 break;
  92         case InsetMinipage::bottom:
  93                 fl_set_button(dialog_->radio_bottom, 1);
  94                 break;
  95         }
  96 }
  97
  98
  99 ButtonPolicy::SMInput FormMinipage::input(FL_OBJECT * ob, long)
 100 {
 101         clearMessage();
 102
 103         ButtonPolicy::SMInput action = ButtonPolicy::SMI_NOOP;
 104
 105         if (ob == dialog_->radio_top ||
 106             ob == dialog_->radio_middle ||
 107             ob == dialog_->radio_bottom ||
 108             ob == dialog_->choice_width_units)
 109                 return ButtonPolicy::SMI_VALID;
 110
 111         // disallow senseless data
 112         // warnings if input is senseless
 113         if (ob == dialog_->input_width) {
 114                 string const input = getString(dialog_->input_width);
 115                 bool const invalid = !isValidLength(input) && !isStrDbl(input);
 116                 if (invalid) {
 117                         postWarning(_("Invalid Length!"));
 118                         action = ButtonPolicy::SMI_INVALID;
 119                 } else {
 120                         action = ButtonPolicy::SMI_VALID;
 121                 }
 122         }
 123
 124         return action;
 125 }