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