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#include <slang.h>
#include <stdlib.h>
#include <string.h>
#include "newt.h"
#include "newt_pr.h"
struct label {
char * text;
int length;
};
static void labelDraw(newtComponent co);
static void labelDestroy(newtComponent co);
static struct componentOps labelOps = {
labelDraw,
newtDefaultEventHandler,
labelDestroy,
newtDefaultPlaceHandler,
newtDefaultMappedHandler,
} ;
newtComponent newtLabel(int left, int top, const char * text) {
newtComponent co;
struct label * la;
co = malloc(sizeof(*co));
la = malloc(sizeof(struct label));
co->data = la;
co->ops = &labelOps;
co->height = 1;
co->width = strlen(text);
co->top = top;
co->left = left;
co->takesFocus = 0;
la->length = strlen(text);
la->text = strdup(text);
return co;
}
void newtLabelSetText(newtComponent co, const char * text) {
int newLength;
struct label * la = co->data;
newLength = strlen(text);
if (newLength <= la->length) {
memset(la->text, ' ', la->length);
memcpy(la->text, text, newLength);
} else {
free(la->text);
la->text = strdup(text);
la->length = newLength;
co->width = newLength;
}
labelDraw(co);
}
static void labelDraw(newtComponent co) {
struct label * la = co->data;
if (co->isMapped == -1) return;
SLsmg_set_color(COLORSET_LABEL);
newtGotorc(co->top, co->left);
SLsmg_write_string(la->text);
}
static void labelDestroy(newtComponent co) {
struct label * la = co->data;
free(la->text);
free(la);
free(co);
}
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