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#include <assert.h>
#include <iostream>
#include "ViewBase.h"
using namespace std;
using namespace widgets;
void textbox::feed(set<InterfaceKey> &input) {
// Backspace
if (input.count(INTERFACEKEY_STRING_A000) && text.size())
text.resize(text.size() - 1);
// Hopefully we'll never get multiple characters in one input set,
// but it's possible. We deal with this by inserting them in
// alphabetical order.
for (set<InterfaceKey>::iterator it = input.lower_bound(INTERFACEKEY_STRING_A001);
it != input.end() && *it <= INTERFACEKEY_STRING_A255;
++it) {
if (keep == false) {
keep = true;
text.clear();
}
char c = *it - INTERFACEKEY_STRING_A000;
text += c;
}
}
void textbox::render(int x1, int x2, int y1, int y2) {
// We need to do some kind of line-breaking for multi-line text
// entry boxes. This shall be implemented at need, and there is none
// yet.
assert(y1 == y2);
gps.erasescreen_rect(x1,x2,y1,y2);
gps.locate(y1,x1);
gps.changecolor(7,0,keep);
int width = x2 - x1 + 1;
int start = text.length() - width;
gps.addst(text.substr(MAX(start,0)));
}
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