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 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "xformsBC.h"
  18 #include "ControlMinipage.h"
  19 #include "FormMinipage.h"
  20 #include "forms/form_minipage.h"
  21 #include "support/lstrings.h"
  22 #include "helper_funcs.h"
  23 #include "debug.h"
  24 #include "xforms_helpers.h"
  25 #include FORMS_H_LOCATION
  26
  27 typedef FormCB<ControlMinipage, FormDB<FD_minipage> > base_class;
  28
  29 FormMinipage::FormMinipage()
  30         : base_class(_("Minipage Options"))
  31 {}
  32
  33
  34 void FormMinipage::build()
  35 {
  36         dialog_.reset(build_minipage(this));
  37
  38         // Allow the base class to control messages
  39         setMessageWidget(dialog_->text_warning);
  40
  41         fl_set_input_return(dialog_->input_width, FL_RETURN_CHANGED);
  42         setPrehandler(dialog_->input_width);
  43
  44         string const choice = getStringFromVector(getLatexUnits(), "|");
  45         fl_addto_choice(dialog_->choice_width_units, subst(choice, "%", "%%").c_str());
  46
  47         // Manage the ok, apply and cancel/close buttons
  48         bc().setOK(dialog_->button_ok);
  49         bc().setApply(dialog_->button_apply);
  50         bc().setCancel(dialog_->button_close);
  51         bc().setRestore(dialog_->button_restore);
  52
  53         bc().addReadOnly(dialog_->input_width);
  54         bc().addReadOnly(dialog_->choice_width_units);
  55         bc().addReadOnly(dialog_->radio_top);
  56         bc().addReadOnly(dialog_->radio_middle);
  57         bc().addReadOnly(dialog_->radio_bottom);
  58 }
  59
  60
  61 void FormMinipage::apply()
  62 {
  63         controller().params().pageWidth =
  64                 LyXLength(getLengthFromWidgets(dialog_->input_width,
  65                                                dialog_->choice_width_units));
  66
  67         if (fl_get_button(dialog_->radio_top))
  68                 controller().params().pos = InsetMinipage::top;
  69         else if (fl_get_button(dialog_->radio_middle))
  70                 controller().params().pos = InsetMinipage::center;
  71         else
  72                 controller().params().pos = InsetMinipage::bottom;
  73 }
  74
  75
  76 void FormMinipage::update()
  77 {
  78         LyXLength len(controller().params().pageWidth);
  79         fl_set_input(dialog_->input_width, tostr(len.value()).c_str());
  80         fl_set_choice(dialog_->choice_width_units, len.unit() + 1);
  81
  82         switch (controller().params().pos) {
  83         case InsetMinipage::top:
  84                 fl_set_button(dialog_->radio_top, 1);
  85                 break;
  86         case InsetMinipage::center:
  87                 fl_set_button(dialog_->radio_middle, 1);
  88                 break;
  89         case InsetMinipage::bottom:
  90                 fl_set_button(dialog_->radio_bottom, 1);
  91                 break;
  92         }
  93 }
  94
  95
  96 ButtonPolicy::SMInput FormMinipage::input(FL_OBJECT * ob, long)
  97 {
  98         clearMessage();
  99
 100         ButtonPolicy::SMInput action = ButtonPolicy::SMI_NOOP;
 101
 102         if (ob == dialog_->radio_top ||
 103             ob == dialog_->radio_middle ||
 104             ob == dialog_->radio_bottom ||
 105             ob == dialog_->choice_width_units)
 106                 return ButtonPolicy::SMI_VALID;
 107
 108         // disallow senseless data
 109         // warnings if input is senseless
 110         if (ob == dialog_->input_width) {
 111                 string const input = getString(dialog_->input_width);
 112                 bool const invalid = !isValidLength(input) && !isStrDbl(input);
 113                 if (invalid) {
 114                         postWarning(_("Invalid Length!"));
 115                         action = ButtonPolicy::SMI_INVALID;
 116                 } else {
 117                         action = ButtonPolicy::SMI_VALID;
 118                 }
 119         }
 120
 121         return action;
 122 }