lyx_mirror/src/frontends/xforms/FormMathsDelim.C

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/**
* \file FormMathsDelim.C
* Copyright 2001 The LyX Team.
* See the file COPYING.
*
* \author Alejandro Aguilar Sierra
* \author Pablo De Napoli, pdenapo@dm.uba.ar
* \author John Levon, moz@compsoc.man.ac.uk
* \author Angus Leeming <leeming@lyx.org>
*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "FormMathsDelim.h"
#include "forms/form_maths_delim.h"
#include "bmtable.h"
#include "debug.h"
#include "funcrequest.h"
#include "lyxfunc.h"
#include "frontends/LyXView.h"
#include "support/lstrings.h"
#include "Lsstream.h"
#include FORMS_H_LOCATION
#include "delim.xbm"
#include "delim0.xpm"
#include "delim1.xpm"
static int const delim_rversion[] = {
1,1,3,3,4,5,7,7,9,9,10,11,
13,13,14,15,16,17,19,19,20,21,22,23
};
static char const * delim_values[] = {
"(", ")", "lceil", "rceil", "uparrow", "Uparrow",
"[", "]", "lfloor", "rfloor", "updownarrow", "Updownarrow",
"{", "}", "/", "\\", "downarrow", "Downarrow",
"langle", "rangle", "|", "Vert", ".", 0
};
using std::endl;
FormMathsDelim::FormMathsDelim(LyXView & lv, Dialogs & d,
FormMathsPanel const & p)
: FormMathsSub(lv, d, p, _("Maths Delimiters"), false)
{}
FL_FORM * FormMathsDelim::form() const
{
if (dialog_.get())
return dialog_->form;
return 0;
}
void FormMathsDelim::build()
{
dialog_.reset(build_maths_delim(this));
fl_set_button(dialog_->radio_left, 1);
// Initialize button_pix to "()" as found in images/delim0.xpm:
fl_set_pixmap_data(dialog_->button_pix, const_cast<char**>(delim0));
dialog_->radio_left->u_ldata = 0;
dialog_->radio_right->u_ldata = 1;
//dialog_->radio_both->u_ldata = 2;
fl_set_bmtable_data(dialog_->bmtable, 12, 2,
delim_width, delim_height, delim_bits);
fl_set_bmtable_maxitems(dialog_->bmtable, 23);
bc().setOK(dialog_->button_ok);
bc().setApply(dialog_->button_apply);
bc().setCancel(dialog_->button_close);
bc().addReadOnly(dialog_->bmtable);
bc().addReadOnly(dialog_->radio_right);
bc().addReadOnly(dialog_->radio_left);
bc().addReadOnly(dialog_->radio_both);
bc().addReadOnly(dialog_->button_pix);
}
void FormMathsDelim::apply()
{
int const left = int(dialog_->radio_left->u_ldata);
int const right = int(dialog_->radio_right->u_ldata);
ostringstream os;
os << delim_values[left] << ' ' << delim_values[right];
lv_.dispatch(FuncRequest(LFUN_MATH_DELIM, os.str().c_str()));
}
bool FormMathsDelim::input(FL_OBJECT *, long)
{
int left = int(dialog_->radio_left->u_ldata);
int right= int(dialog_->radio_right->u_ldata);
int const side = (fl_get_button(dialog_->radio_right) != 0);
int const i = fl_get_bmtable(dialog_->bmtable);
int const button = fl_get_bmtable_numb(dialog_->bmtable);
bool const both = (button == FL_MIDDLE_MOUSE ||
fl_get_button(dialog_->radio_both) != 0);
if (i >= 0) {
if (side || (button == FL_RIGHT_MOUSE))
right = i;
else {
left = i;
if (both) {
right = delim_rversion[i];
// Add left delimiter in "both" case if right one was pressed:
for (int j = 0; j <= 23; ++j) {
if (delim_rversion[j] == left) {
right = left;
left = j;
}
}
}
}
}
// Re-initialize button_pix to solid blue
// (not elegant but works, MV 24.5.2002)
fl_free_pixmap_pixmap(dialog_->button_pix);
fl_set_pixmap_data(dialog_->button_pix, const_cast<char**>(delim1));
Pixmap p1;
fl_get_pixmap_pixmap(dialog_->button_pix, &p1, 0);
fl_draw_bmtable_item(dialog_->bmtable, left, p1, 0, 0);
fl_draw_bmtable_item(dialog_->bmtable, right, p1, 16, 0);
fl_redraw_object(dialog_->button_pix);
dialog_->radio_left->u_ldata = left;
dialog_->radio_right->u_ldata = right;
return true;
}