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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7548 a592a061-630c-0410-9148-cb99ea01b6c8
141 lines
3.2 KiB
C
141 lines
3.2 KiB
C
/**
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* \file FormMathsMatrix.C
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Alejandro Aguilar Sierra
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* \author Pablo De Napoli
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* \author John Levon
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS
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*/
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#include <config.h>
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#include "FormMathsMatrix.h"
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#include "forms/form_maths_matrix.h"
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#include "ControlMath.h"
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#include "xformsBC.h"
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#include "ButtonController.h"
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#include "support/LAssert.h"
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#include "support/lyxalgo.h" // lyx::count
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#include "Lsstream.h"
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#include "lyx_forms.h"
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#include <algorithm>
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using namespace lyx::support;
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#ifndef CXX_GLOBAL_CSTD
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using std::strlen;
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#endif
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static char h_align_str[80] = "c";
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static char v_align_c[] = "tcb";
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extern "C" {
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static
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int C_FormMathsMatrixAlignFilter(FL_OBJECT * ob, char const *,
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char const * cur, int c)
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{
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Assert(ob);
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FormMathsMatrix * pre =
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static_cast<FormMathsMatrix *>(ob->u_vdata);
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Assert(pre);
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return pre->AlignFilter(cur, c);
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}
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}
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typedef FormController<ControlMath, FormView<FD_maths_matrix> > base_class;
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FormMathsMatrix::FormMathsMatrix(Dialog & parent)
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: base_class(parent, _("Math Matrix"), false)
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{}
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void FormMathsMatrix::build()
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{
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dialog_.reset(build_maths_matrix(this));
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fl_addto_choice(dialog_->choice_valign,
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_("Top | Middle | Bottom").c_str());
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fl_set_choice(dialog_->choice_valign, 2);
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fl_set_input(dialog_->input_halign, h_align_str);
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dialog_->input_halign->u_vdata = this;
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fl_set_input_filter(dialog_->input_halign,
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C_FormMathsMatrixAlignFilter);
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setPrehandler(dialog_->input_halign);
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bcview().setOK(dialog_->button_ok);
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bcview().setApply(dialog_->button_apply);
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bcview().setCancel(dialog_->button_close);
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bcview().addReadOnly(dialog_->slider_rows);
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bcview().addReadOnly(dialog_->slider_columns);
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bcview().addReadOnly(dialog_->choice_valign);
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bcview().addReadOnly(dialog_->input_halign);
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}
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void FormMathsMatrix::apply()
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{
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char const c = v_align_c[fl_get_choice(dialog_->choice_valign) - 1];
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char const * sh = fl_get_input(dialog_->input_halign);
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int const nx = int(fl_get_slider_value(dialog_->slider_columns) + 0.5);
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int const ny = int(fl_get_slider_value(dialog_->slider_rows) + 0.5);
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ostringstream os;
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os << nx << ' ' << ny << ' ' << c << ' ' << sh;
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controller().dispatchMatrix(STRCONV(os.str()));
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}
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void FormMathsMatrix::update()
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{
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bc().valid();
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}
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ButtonPolicy::SMInput FormMathsMatrix::input(FL_OBJECT * ob, long)
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{
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if (ob == dialog_->choice_valign ||
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ob == dialog_->slider_rows) return ButtonPolicy::SMI_VALID;
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int const nx = int(fl_get_slider_value(dialog_->slider_columns)+0.5);
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for (int i = 0; i < nx; ++i)
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h_align_str[i] = 'c';
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h_align_str[nx] = '\0';
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fl_set_input(dialog_->input_halign, h_align_str);
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fl_redraw_object(dialog_->input_halign);
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return ButtonPolicy::SMI_VALID;
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}
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int FormMathsMatrix::AlignFilter(char const * cur, int c)
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{
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size_t const len = strlen(cur);
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int const n = int(fl_get_slider_value(dialog_->slider_columns) + 0.5)
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- int(len)
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+ int(lyx::count(cur, cur + len, '|'));
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if (n < 0)
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return FL_INVALID;
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if (c == 'c' || c == 'l' || c == 'r' || c == '|')
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return FL_VALID;
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return FL_INVALID;
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}
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