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 "support/lstrings.h"
  25 #include "lyxfunc.h"
  26
  27 #include "delim.xbm"
  28 #include "delim0.xpm"
  29
  30 static int const delim_rversion[] = {
  31         1,1,3,3,4,5,7,7,9,9,10,11,
  32         13,13,14,15,16,17,19,19,20,21,22,23 };
  33
  34 static char const * delim_values[] = {
  35         "(", ")", "lceil",  "rceil",  "uparrow",  "Uparrow",
  36         "[", "]", "lfloor", "rfloor", "updownarrow", "Updownarrow",
  37         "{", "}",  "/", "\\",  "downarrow",  "Downarrow",
  38         "langle",  "rangle", "|", "Vert", ".", 0
  39 };
  40
  41 using std::endl;
  42
  43 FormMathsDelim::FormMathsDelim(LyXView * lv, Dialogs * d,
  44                                FormMathsPanel const & p)
  45         : FormMathsSub(lv, d, p, _("Maths Delimiters"), false)
  46 {}
  47
  48
  49 FL_FORM * FormMathsDelim::form() const
  50 {
  51         if (dialog_.get())
  52                 return dialog_->form;
  53         return 0;
  54 }
  55
  56
  57 void FormMathsDelim::build()
  58 {
  59         dialog_.reset(build_maths_delim());
  60
  61         fl_set_button(dialog_->radio_left, 1);
  62         fl_set_pixmap_data(dialog_->button_pix, const_cast<char**>(delim0));
  63         dialog_->radio_left->u_ldata = 0;
  64         dialog_->radio_right->u_ldata = 1;
  65
  66         fl_set_bmtable_data(dialog_->bmtable, 6, 4,
  67                             delim_width, delim_height, delim_bits);
  68         fl_set_bmtable_maxitems(dialog_->bmtable, 23);
  69
  70         bc().setOK(dialog_->button_ok);
  71         bc().setApply(dialog_->button_apply);
  72         bc().setCancel(dialog_->button_cancel);
  73
  74         bc().addReadOnly(dialog_->bmtable);
  75         bc().addReadOnly(dialog_->radio_right);
  76         bc().addReadOnly(dialog_->radio_left);
  77         bc().addReadOnly(dialog_->button_pix);
  78 }
  79
  80
  81 void FormMathsDelim::apply()
  82 {
  83         int const left = int(dialog_->radio_left->u_ldata);
  84         int const right= int(dialog_->radio_right->u_ldata);
  85
  86         ostringstream ost;
  87         ost << delim_values[left] << ' ' << delim_values[right];
  88
  89         lv_->getLyXFunc()->dispatch(LFUN_MATH_DELIM, ost.str().c_str());
  90 }
  91
  92 bool FormMathsDelim::input(FL_OBJECT *, long)
  93 {
  94         int left = int(dialog_->radio_left->u_ldata);
  95         int right= int(dialog_->radio_right->u_ldata);
  96         int const side = (fl_get_button(dialog_->radio_right) != 0);
  97
  98         int const i = fl_get_bmtable(dialog_->bmtable);
  99         int const button = fl_get_bmtable_numb(dialog_->bmtable);
 100         bool const both = (button == FL_MIDDLE_MOUSE);
 101
 102         if (i>= 0) {
 103                 if (side || (button == FL_RIGHT_MOUSE))
 104                         right = i;
 105                 else {
 106                         left = i;
 107                         if (both)
 108                                 right = delim_rversion[i];
 109                 }
 110         }
 111
 112         Pixmap p1, p2;
 113
 114         p1 = fl_get_pixmap_pixmap(dialog_->button_pix, &p1, &p2);
 115         fl_draw_bmtable_item(dialog_->bmtable, left, p1, 0, 0);
 116         fl_draw_bmtable_item(dialog_->bmtable, right, p1, 16, 0);
 117         fl_redraw_object(dialog_->button_pix);
 118
 119         dialog_->radio_left->u_ldata  = left;
 120         dialog_->radio_right->u_ldata = right;
 121
 122         return true;
 123 }