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#include <string.h>
#include "txt_label.h"
#include "txt_io.h"
#include "txt_main.h"
#include "txt_window.h"
static void TXT_LabelSizeCalc(TXT_UNCAST_ARG(label), int *w, int *h)
{
TXT_CAST_ARG(txt_label_t, label);
*w = label->w;
*h = label->h;
}
static void TXT_LabelDrawer(TXT_UNCAST_ARG(label), int w, int selected)
{
TXT_CAST_ARG(txt_label_t, label);
int i;
int origin_x, origin_y;
TXT_BGColor(TXT_COLOR_BLUE, 0);
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
TXT_GetXY(&origin_x, &origin_y);
for (i=0; i<label->h; ++i)
{
TXT_GotoXY(origin_x, origin_y + i);
TXT_DrawString(label->lines[i]);
}
}
static void TXT_LabelDestructor(TXT_UNCAST_ARG(label))
{
TXT_CAST_ARG(txt_label_t, label);
free(label->label);
free(label->lines);
}
txt_widget_class_t txt_label_class =
{
TXT_LabelSizeCalc,
TXT_LabelDrawer,
NULL,
TXT_LabelDestructor,
};
void TXT_SetLabel(txt_label_t *label, char *value)
{
char *p;
int y;
// Free back the old label
free(label->label);
free(label->lines);
// Set the new value
label->label = strdup(value);
// Work out how many lines in this label
label->h = 1;
for (p = value; *p != '\0'; ++p)
{
if (*p == '\n')
{
++label->h;
}
}
// Split into lines
label->lines = malloc(sizeof(char *) * label->h);
label->lines[0] = label->label;
y = 1;
for (p = label->label; *p != '\0'; ++p)
{
if (*p == '\n')
{
label->lines[y] = p + 1;
*p = '\0';
++y;
}
}
label->w = 0;
for (y=0; y<label->h; ++y)
{
if (strlen(label->lines[y]) > label->w)
label->w = strlen(label->lines[y]);
}
}
txt_label_t *TXT_NewLabel(char *text)
{
txt_label_t *label;
label = malloc(sizeof(txt_label_t));
TXT_InitWidget(label, &txt_label_class);
label->widget.selectable = 0;
label->label = NULL;
label->lines = NULL;
TXT_SetLabel(label, text);
return label;
}
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