lyx_mirror/src/frontends/xforms/FormMathsMatrix.C
Angus Leeming ba9cdda813 Flatten the ButtonController tree by splitting it into a Controller and
a View.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6410 a592a061-630c-0410-9148-cb99ea01b6c8
2003-03-10 03:13:28 +00:00

138 lines
3.1 KiB
C

/**
* \file FormMathsMatrix.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Alejandro Aguilar Sierra
* \author Pablo De Napoli
* \author John Levon
* \author Angus Leeming
*
* Full author contact details are available in file CREDITS
*/
#include <config.h>
#include "FormMathsMatrix.h"
#include "forms/form_maths_matrix.h"
#include "ControlMath.h"
#include "xformsBC.h"
#include "ButtonController.h"
#include "support/LAssert.h"
#include "support/lyxalgo.h" // lyx::count
#include "Lsstream.h"
#include FORMS_H_LOCATION
#include <algorithm>
#ifndef CXX_GLOBAL_CSTD
using std::strlen;
#endif
static char h_align_str[80] = "c";
static char v_align_c[] = "tcb";
extern "C" {
static
int C_FormMathsMatrixAlignFilter(FL_OBJECT * ob, char const *,
char const * cur, int c)
{
lyx::Assert(ob);
FormMathsMatrix * pre =
static_cast<FormMathsMatrix *>(ob->u_vdata);
lyx::Assert(pre);
return pre->AlignFilter(cur, c);
}
}
typedef FormCB<ControlMathSub, FormDB<FD_maths_matrix> > base_class;
FormMathsMatrix::FormMathsMatrix()
: base_class(_("Maths Matrix"), false)
{}
void FormMathsMatrix::build()
{
dialog_.reset(build_maths_matrix(this));
fl_addto_choice(dialog_->choice_valign, _("Top | Center | Bottom"));
fl_set_choice(dialog_->choice_valign, 2);
fl_set_input(dialog_->input_halign, h_align_str);
dialog_->input_halign->u_vdata = this;
fl_set_input_filter(dialog_->input_halign,
C_FormMathsMatrixAlignFilter);
setPrehandler(dialog_->input_halign);
bcview().setOK(dialog_->button_ok);
bcview().setApply(dialog_->button_apply);
bcview().setCancel(dialog_->button_close);
bcview().addReadOnly(dialog_->slider_rows);
bcview().addReadOnly(dialog_->slider_columns);
bcview().addReadOnly(dialog_->choice_valign);
bcview().addReadOnly(dialog_->input_halign);
}
void FormMathsMatrix::apply()
{
char const c = v_align_c[fl_get_choice(dialog_->choice_valign) - 1];
char const * sh = fl_get_input(dialog_->input_halign);
int const nx = int(fl_get_slider_value(dialog_->slider_columns) + 0.5);
int const ny = int(fl_get_slider_value(dialog_->slider_rows) + 0.5);
ostringstream os;
os << nx << ' ' << ny << ' ' << c << ' ' << sh;
controller().dispatchFunc(LFUN_INSERT_MATRIX, STRCONV(os.str()));
}
void FormMathsMatrix::update()
{
bc().valid();
}
ButtonPolicy::SMInput FormMathsMatrix::input(FL_OBJECT * ob, long)
{
if (ob == dialog_->choice_valign ||
ob == dialog_->slider_rows) return ButtonPolicy::SMI_VALID;
int const nx = int(fl_get_slider_value(dialog_->slider_columns)+0.5);
for (int i = 0; i < nx; ++i)
h_align_str[i] = 'c';
h_align_str[nx] = '\0';
fl_set_input(dialog_->input_halign, h_align_str);
fl_redraw_object(dialog_->input_halign);
return ButtonPolicy::SMI_VALID;
}
int FormMathsMatrix::AlignFilter(char const * cur, int c)
{
size_t const len = strlen(cur);
int const n = int(fl_get_slider_value(dialog_->slider_columns) + 0.5)
- int(len)
+ int(lyx::count(cur, cur + len, '|'));
if (n < 0)
return FL_INVALID;
if (c == 'c' || c == 'l' || c == 'r' || c == '|')
return FL_VALID;
return FL_INVALID;
}