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 lyx::support::getStringFromVector;
  28 using lyx::support::isStrDbl;
  29 using lyx::support::subst;
  30
  31 using std::string;
  32
  33
  34 typedef FormController<ControlMinipage, FormView<FD_minipage> > base_class;
  35
  36 FormMinipage::FormMinipage(Dialog & parent)
  37         : base_class(parent, _("Minipage Settings"))
  38 {}
  39
  40
  41 void FormMinipage::build()
  42 {
  43         dialog_.reset(build_minipage(this));
  44
  45         // Allow the base class to control messages
  46         setMessageWidget(dialog_->text_warning);
  47
  48         fl_set_input_return(dialog_->input_width, FL_RETURN_CHANGED);
  49         setPrehandler(dialog_->input_width);
  50
  51         string const choice = getStringFromVector(getLatexUnits(), "|");
  52         fl_addto_choice(dialog_->choice_width_units, subst(choice, "%", "%%").c_str());
  53
  54         // Manage the ok, apply and cancel/close buttons
  55         bcview().setOK(dialog_->button_ok);
  56         bcview().setApply(dialog_->button_apply);
  57         bcview().setCancel(dialog_->button_close);
  58         bcview().setRestore(dialog_->button_restore);
  59
  60         bcview().addReadOnly(dialog_->input_width);
  61         bcview().addReadOnly(dialog_->choice_width_units);
  62         bcview().addReadOnly(dialog_->radio_top);
  63         bcview().addReadOnly(dialog_->radio_middle);
  64         bcview().addReadOnly(dialog_->radio_bottom);
  65 }
  66
  67
  68 void FormMinipage::apply()
  69 {
  70         controller().params().width =
  71                 LyXLength(getLengthFromWidgets(dialog_->input_width,
  72                                                dialog_->choice_width_units));
  73
  74         if (fl_get_button(dialog_->radio_top))
  75                 controller().params().pos = InsetMinipage::top;
  76         else if (fl_get_button(dialog_->radio_middle))
  77                 controller().params().pos = InsetMinipage::center;
  78         else
  79                 controller().params().pos = InsetMinipage::bottom;
  80 }
  81
  82
  83 void FormMinipage::update()
  84 {
  85         LyXLength len(controller().params().width);
  86         fl_set_input(dialog_->input_width, tostr(len.value()).c_str());
  87         fl_set_choice(dialog_->choice_width_units, len.unit() + 1);
  88
  89         switch (controller().params().pos) {
  90         case InsetMinipage::top:
  91                 fl_set_button(dialog_->radio_top, 1);
  92                 break;
  93         case InsetMinipage::center:
  94                 fl_set_button(dialog_->radio_middle, 1);
  95                 break;
  96         case InsetMinipage::bottom:
  97                 fl_set_button(dialog_->radio_bottom, 1);
  98                 break;
  99         }
 100 }
 101
 102
 103 ButtonPolicy::SMInput FormMinipage::input(FL_OBJECT * ob, long)
 104 {
 105         clearMessage();
 106
 107         ButtonPolicy::SMInput action = ButtonPolicy::SMI_NOOP;
 108
 109         if (ob == dialog_->radio_top ||
 110             ob == dialog_->radio_middle ||
 111             ob == dialog_->radio_bottom ||
 112             ob == dialog_->choice_width_units)
 113                 return ButtonPolicy::SMI_VALID;
 114
 115         // disallow senseless data
 116         // warnings if input is senseless
 117         if (ob == dialog_->input_width) {
 118                 string const input = getString(dialog_->input_width);
 119                 bool const invalid = !isValidLength(input) && !isStrDbl(input);
 120                 if (invalid) {
 121                         postWarning(_("Invalid length!"));
 122                         action = ButtonPolicy::SMI_INVALID;
 123                 } else {
 124                         action = ButtonPolicy::SMI_VALID;
 125                 }
 126         }
 127
 128         return action;
 129 }