src/frontends/xforms/FormMinipage.C

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