g_src/ViewBase.cpp

   1 #include <assert.h>
   2 #include <iostream>
   3 #include "ViewBase.h"
   4
   5 using namespace std;
   6 using namespace widgets;
   7
   8 void textbox::feed(set<InterfaceKey> &input) {
   9   // Backspace
  10   if (input.count(INTERFACEKEY_STRING_A000) && text.size())
  11     text.resize(text.size() - 1);
  12   // Hopefully we'll never get multiple characters in one input set,
  13   // but it's possible. We deal with this by inserting them in
  14   // alphabetical order.
  15   for (set<InterfaceKey>::iterator it = input.lower_bound(INTERFACEKEY_STRING_A001);
  16        it != input.end() && *it <= INTERFACEKEY_STRING_A255;
  17        ++it) {
  18     if (keep == false) {
  19       keep = true;
  20       text.clear();
  21     }
  22     char c = *it - INTERFACEKEY_STRING_A000;
  23     text += c;
  24   }
  25 }
  26
  27 void textbox::render(int x1, int x2, int y1, int y2) {
  28   // We need to do some kind of line-breaking for multi-line text
  29   // entry boxes. This shall be implemented at need, and there is none
  30   // yet.
  31   assert(y1 == y2);
  32   gps.erasescreen_rect(x1,x2,y1,y2);
  33   gps.locate(y1,x1);
  34   gps.changecolor(7,0,keep);
  35   int width = x2 - x1 + 1;
  36   int start = text.length() - width;
  37   gps.addst(text.substr(MAX(start,0)));
  38 }