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