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/* grid.cpp is part of UDAV
* Copyright (C) 2007-2014 Alexey Balakin <mathgl.abalakin@gmail.ru>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Int_Input.H>
#include <FL/Fl_Value_Slider.H>
#include <FL/fl_draw.H>
#include "mgllab.h"
//-----------------------------------------------------------------------------
Fl_Callback input_cb;
//-----------------------------------------------------------------------------
void input_cb(Fl_Widget*, void* v) { ((Fl_Data_Table*)v)->set_value(); }
//-----------------------------------------------------------------------------
Fl_Data_Table::Fl_Data_Table(int x, int y, int w, int h, const char *l) : Fl_Table(x,y,w,h,l)
{
callback(&event_callback, (void*)this);
input = new Fl_Input(w/2,h/2,0,0);
input->hide();
input->callback(input_cb, (void*)this);
input->when(FL_WHEN_ENTER_KEY_ALWAYS);
input->maximum_size(16);
nx=ny=sl = 0; row=col=-1; data = NULL;
// (new Fl_Box(9999,9999,0,0))->hide(); // HACK: prevent flickering in Fl_Scroll
end();
}
//-----------------------------------------------------------------------------
// Handle drawing all cells in table
void Fl_Data_Table::draw_cell(TableContext context, int R, int C, int X, int Y, int W, int H)
{
static char s[64];
fl_push_clip(X, Y, W, H);
switch ( context )
{
case CONTEXT_COL_HEADER:
fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, col_header_color());
fl_font(FL_HELVETICA | FL_BOLD, 14);
fl_color(FL_BLACK); snprintf(s,32,"%d",C);
fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
break;
case CONTEXT_ROW_HEADER:
fl_draw_box(FL_THIN_UP_BOX, X, Y, W, H, col_header_color());
fl_font(FL_HELVETICA | FL_BOLD, 14);
fl_color(FL_BLACK); snprintf(s,32,"%d",R);
fl_draw(s, X, Y, W, H, FL_ALIGN_CENTER);
break;
case CONTEXT_CELL:
if (R == row && C == col && input->visible()) break;
fl_draw_box(FL_THIN_DOWN_BOX, X, Y, W, H, FL_WHITE);
fl_pop_clip();
fl_push_clip(X+3, Y+3, W-6, H-6);
fl_font(FL_HELVETICA, 14);
if(mgl_isnan(data->v(C,R,sl))) strcpy(s,"nan");
else if(mgl_isbad(data->v(C,R,sl))) strcpy(s,data->v(C,R,sl)>0?"inf":"-inf");
else mgl_strncpy(s,mgl_str_num(data->vc(C,R,sl)).c_str(),64);
{ dual vc = data->vc(C,R,sl);
mreal v = data->v(C,R,sl);
std::vector<mreal> vn;
if(C>0) vn.push_back(data->v(C-1,R,sl));
if(R>0) vn.push_back(data->v(C,R-1,sl));
if(C<data->GetNx()-1) vn.push_back(data->v(C+1,R,sl));
if(R<data->GetNy()-1) vn.push_back(data->v(C,R+1,sl));
bool v1=true, v2=true;
for(size_t i=0;i<vn.size();i++) { if(vn[i]<=v) v1=false; if(vn[i]>=v) v2=false; }
if(v2) fl_color(FL_MAGENTA);
else if(v1) fl_color(FL_CYAN);
else if(real(vc)>0) fl_color(FL_RED);
else if(real(vc)<0) fl_color(FL_BLUE);
else if(imag(vc)>0) fl_color(FL_DARK_MAGENTA);
else if(imag(vc)<0) fl_color(FL_DARK_CYAN);
else fl_color(FL_BLACK); }
fl_draw(s, X+3, Y+3, W-6, H-6, FL_ALIGN_RIGHT);
break;
case CONTEXT_RC_RESIZE:
if (!input->visible()) break;
find_cell(CONTEXT_TABLE, row, col, X, Y, W, H);
if (X!=input->x() || Y!=input->y() || W!=input->w() || H!=input->h())
input->resize(X,Y,W,H);
break;
default: break;
}
fl_pop_clip();
}
//-----------------------------------------------------------------------------
void Fl_Data_Table::cell_click()
{
int R = callback_row(), C = callback_col();
TableContext context = callback_context();
if(context==CONTEXT_CELL)
{
if (input->visible()) set_value();
row = R; col = C;
int XX,YY,WW,HH;
find_cell(CONTEXT_CELL, R, C, XX, YY, WW, HH);
input->resize(XX,YY,WW,HH);
std::string s;
if(mgl_isnan(data->v(C,R,sl))) s = "nan";
else if(mgl_isbad(data->v(C,R,sl))) s = data->v(C,R,sl)>0?"inf":"-inf";
else s = mgl_str_num(data->vc(C,R,sl));
input->value(s.c_str()); input->show();
input->take_focus();
}
}
//-----------------------------------------------------------------------------
void Fl_Data_Table::set_value()
{
const char *s = input->value();
if(s[0]==0 || !strcmp(s,"nan")) data->set_v(NAN, col,row,sl);
else if(!strcmp(s,"inf")) data->set_v(INFINITY, col,row,sl);
else if(!strcmp(s,"-inf")) data->set_v(-INFINITY, col,row,sl);
else
{
dual v = mgl_atoc(s,true);
if(imag(v)==0) data->set_v(real(v), col,row,sl);
else
{
HADT c = dynamic_cast<HADT>(data);
if(c) c->a[col+c->nx*(row+c->ny*sl)] = v;
else data->set_v(abs(v),col,row,sl);
}
}
}
//-----------------------------------------------------------------------------
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