src/frontends/xforms/FormMathsDelim.C

   1 /**
   2  * \file FormMathsDelim.C
   3  * Copyright 2001 The LyX Team.
   4  * See the file COPYING.
   5  *
   6  * \author Alejandro Aguilar Sierra
   7  * \author Pablo De Napoli, pdenapo@dm.uba.ar
   8  * \author John Levon, moz@compsoc.man.ac.uk
   9  * \author Angus Leeming, a.leeming@ic.ac.uk
  10  */
  11
  12 #include <config.h>
  13
  14 #ifdef __GNUG_
  15 #pragma implementation
  16 #endif
  17
  18 #include "FormMathsDelim.h"
  19 #include "form_maths_delim.h"
  20 #include "Dialogs.h"
  21 #include "LyXView.h"
  22 #include "bmtable.h"
  23 #include "debug.h"
  24 #include "mathed/symbol_def.h"
  25 #include "support/lstrings.h"
  26 #include "lyxfunc.h"
  27
  28 #include "delim.xbm"
  29 #include "delim0.xpm"
  30
  31 static int const delim_rversion[] = {
  32         1,1,3,3,4,5,7,7,9,9,10,11,
  33         13,13,14,15,16,17,19,19,20,21,22,23 };
  34
  35 static int delim_values[] = {
  36         '(', ')', LM_lceil,  LM_rceil,  LM_uparrow,  LM_Uparrow,
  37         '[', ']', LM_lfloor,  LM_rfloor,  LM_updownarrow, LM_Updownarrow,
  38         '{', '}',  '/', LM_backslash,  LM_downarrow,  LM_Downarrow,
  39         LM_langle,  LM_rangle, '|', LM_Vert, '.', 0
  40 };
  41
  42 using std::endl;
  43
  44 FormMathsDelim::FormMathsDelim(LyXView * lv, Dialogs * d,
  45                                FormMathsPanel const & p)
  46         : FormMathsSub(lv, d, p, _("Maths Delimiters"))
  47 {}
  48
  49
  50 FL_FORM * FormMathsDelim::form() const
  51 {
  52         if (dialog_.get())
  53                 return dialog_->form;
  54         return 0;
  55 }
  56
  57
  58 void FormMathsDelim::build()
  59 {
  60         dialog_.reset(build_maths_delim());
  61
  62         fl_set_button(dialog_->radio_left, 1);
  63         fl_set_pixmap_data(dialog_->button_pix, const_cast<char**>(delim0));
  64         dialog_->radio_left->u_ldata = 0;
  65         dialog_->radio_right->u_ldata = 1;
  66
  67         fl_set_bmtable_data(dialog_->bmtable, 6, 4,
  68                             delim_width, delim_height, delim_bits);
  69         fl_set_bmtable_maxitems(dialog_->bmtable, 23);
  70
  71         bc().setOK(dialog_->button_ok);
  72         bc().setApply(dialog_->button_apply);
  73         bc().setCancel(dialog_->button_cancel);
  74
  75         bc().addReadOnly(dialog_->bmtable);
  76         bc().addReadOnly(dialog_->radio_right);
  77         bc().addReadOnly(dialog_->radio_left);
  78         bc().addReadOnly(dialog_->button_pix);
  79 }
  80
  81
  82 void FormMathsDelim::apply()
  83 {
  84         int const left = int(dialog_->radio_left->u_ldata);
  85         int const right= int(dialog_->radio_right->u_ldata);
  86
  87         ostringstream ost;
  88         ost << delim_values[left] << ' ' << delim_values[right];
  89
  90         lv_->getLyXFunc()->dispatch(LFUN_MATH_DELIM, ost.str().c_str());
  91 }
  92
  93 bool FormMathsDelim::input(FL_OBJECT *, long)
  94 {
  95         int left = int(dialog_->radio_left->u_ldata);
  96         int right= int(dialog_->radio_right->u_ldata);
  97         int const side = (fl_get_button(dialog_->radio_right) != 0);
  98
  99         int const i = fl_get_bmtable(dialog_->bmtable);
 100         int const button = fl_get_bmtable_numb(dialog_->bmtable);
 101         bool const both = (button == FL_MIDDLE_MOUSE);
 102
 103         if (i>= 0) {
 104                 if (side || (button == FL_RIGHT_MOUSE))
 105                         right = i;
 106                 else {
 107                         left = i;
 108                         if (both)
 109                                 right = delim_rversion[i];
 110                 }
 111         }
 112
 113         Pixmap p1, p2;
 114
 115         p1 = fl_get_pixmap_pixmap(dialog_->button_pix, &p1, &p2);
 116         fl_draw_bmtable_item(dialog_->bmtable, left, p1, 0, 0);
 117         fl_draw_bmtable_item(dialog_->bmtable, right, p1, 16, 0);
 118         fl_redraw_object(dialog_->button_pix);
 119
 120         dialog_->radio_left->u_ldata  = left;
 121         dialog_->radio_right->u_ldata = right;
 122
 123         return true;
 124 }