src/programs/view/nleg.cpp

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  37 #include "gmxpre.h"
  38
  39 #include "nleg.h"
  40
  41 #include <cstring>
  42
  43 #include <algorithm>
  44
  45 #include "gromacs/fileio/rgb.h"
  46 #include "gromacs/utility/arraysize.h"
  47 #include "gromacs/utility/smalloc.h"
  48
  49 #include "buttons.h"
  50
  51 typedef struct {
  52     const char    *tp;
  53     unsigned long *col;
  54     t_rgb          rgb;
  55 } t_atomcolor;
  56
  57 static t_atomcolor ac[] = {
  58     { "O",  &LIGHTRED,     { 1,  0,  0   } },
  59     { "N",  &LIGHTCYAN,    { 0,  0,  1   } },
  60     { "NA", &LIGHTGREY,    { 0.6, 0.6, 0.6 } },
  61     { "S",  &YELLOW,       { 1,  1,  0   } },
  62     { "C",  &LIGHTGREEN,   { 0,  1,  0   } },
  63     { "CL", &VIOLET,       { 1,  0,  1   } },
  64     { "F",  &LIGHTGREY,    { 0.6, 0.6, 0.6 } },
  65     { "Z",  &LIGHTGREY,    { 0.6, 0.6, 0.6 } },
  66     { "P",  &LIGHTBLUE,    { 0.4, 0.4, 1.0 } },
  67     { "H",  &WHITE,        { 0.8, 0.8, 0.8 } }
  68 };
  69 #define NAC asize(ac)
  70
  71 static int search_ac(const char *type)
  72 {
  73     unsigned int i, nb, mij, best, besti;
  74
  75     best  = 0;
  76     besti = 0;
  77     if (nullptr != type)
  78     {
  79         for (i = 0; (i < NAC); i++)
  80         {
  81             mij = std::min(static_cast<int>(std::strlen(type)), static_cast<int>(std::strlen(ac[i].tp)));
  82             for (nb = 0; (nb < mij); nb++)
  83             {
  84                 if (type[nb] != ac[i].tp[nb])
  85                 {
  86                     break;
  87                 }
  88             }
  89             if (nb > best)
  90             {
  91                 best  = nb;
  92                 besti = i;
  93             }
  94         }
  95     }
  96     return besti;
  97 }
  98
  99 unsigned long Type2Color(const char *type)
 100 {
 101     int i;
 102
 103     i = search_ac(type);
 104
 105     return *(ac[i].col);
 106 }
 107
 108 t_rgb *Type2RGB(const char *type)
 109 {
 110     int i;
 111
 112     i = search_ac(type);
 113
 114     return &(ac[i].rgb);
 115 }
 116
 117 static void DrawLegend(t_x11 *x11, t_windata *Win)
 118 {
 119 #define NLAB 6
 120 #define COLS 3
 121     static const char *lab[NLAB] = { "C", "O", "H", "S", "N", "P" };
 122     int                i, i0, dh, dw, w, y, x1, x0;
 123     unsigned long      cind;
 124     real               h_2;
 125
 126     XClearWindow(x11->disp, Win->self);
 127     w   = Win->width;
 128     h_2 = Win->height/(2.0*NLAB/COLS);
 129     dh  = h_2-2;
 130     dw  = dh;
 131
 132     for (i = 0; (i < NLAB); i++)
 133     {
 134         i0   = i % (NLAB/COLS);
 135         x0   = (i / (NLAB/COLS))*(Win->width/COLS)+AIR;
 136         x1   = x0+2*dw+AIR;
 137         cind = Type2Color(lab[i]);
 138         XSetForeground(x11->disp, x11->gc, cind);
 139         y = ((2*i0+1)*h_2);
 140         XFillRectangle (x11->disp, Win->self, x11->gc, x0, y-dh, 2*dw, 2*dh);
 141         XSetForeground(x11->disp, x11->gc, WHITE);
 142         TextInRect(x11, Win->self, lab[i], x1, y-dh, w-x1, 2*dh,
 143                    eXLeft, eYCenter);
 144     }
 145     XSetForeground(x11->disp, x11->gc, x11->fg);
 146 }
 147
 148 static bool LegWCallBack(t_x11 *x11, XEvent *event, Window /*w*/, void *data)
 149 {
 150     t_legendwin *lw;
 151
 152     lw = (t_legendwin *)data;
 153     switch (event->type)
 154     {
 155         case Expose:
 156             DrawLegend(x11, &lw->wd);
 157             break;
 158         default:
 159             break;
 160     }
 161     return false;
 162 }
 163
 164 t_legendwin *init_legw(t_x11 *x11, Window Parent,
 165                        int x, int y, int width, int height,
 166                        unsigned long fg, unsigned long bg)
 167 {
 168     t_legendwin *lw;
 169
 170     snew(lw, 1);
 171     InitWin(&lw->wd, x, y, width, height, 1, "Legend Window");
 172     lw->wd.self = XCreateSimpleWindow(x11->disp, Parent, x, y, 1, 1, 1, fg, bg);
 173     x11->RegisterCallback(x11, lw->wd.self, Parent, LegWCallBack, lw);
 174     x11->SetInputMask(x11, lw->wd.self, ExposureMask);
 175
 176     return lw;
 177 }
 178
 179 void map_legw(t_x11 *x11, t_legendwin *lw)
 180 {
 181     XMapWindow(x11->disp, lw->wd.self);
 182 }
 183
 184
 185 void done_legw(t_x11 *x11, t_legendwin *lw)
 186 {
 187     x11->UnRegisterCallback(x11, lw->wd.self);
 188     sfree(lw);
 189 }