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#include <stdlib.h>
#include <string.h>
#include "doomkeys.h"
#include "txt_button.h"
#include "txt_io.h"
#include "txt_main.h"
#include "txt_window.h"
static void TXT_ButtonSizeCalc(TXT_UNCAST_ARG(button), int *w, int *h)
{
TXT_CAST_ARG(txt_button_t, button);
// Minimum width is the string length + two spaces for padding
*w = strlen(button->label) + 2;
*h = 1;
}
static void TXT_ButtonDrawer(TXT_UNCAST_ARG(button), int w, int selected)
{
TXT_CAST_ARG(txt_button_t, button);
int i;
TXT_BGColor(TXT_COLOR_BLUE, 0);
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
TXT_DrawString(" ");
if (selected)
{
TXT_BGColor(TXT_COLOR_GREY, 0);
}
TXT_DrawString(button->label);
for (i=strlen(button->label); i < w-2; ++i)
{
TXT_DrawString(" ");
}
}
static void TXT_ButtonDestructor(TXT_UNCAST_ARG(button))
{
TXT_CAST_ARG(txt_button_t, button);
free(button->label);
}
static int TXT_ButtonKeyPress(TXT_UNCAST_ARG(button), int key)
{
TXT_CAST_ARG(txt_button_t, button);
if (key == KEY_ENTER)
{
TXT_EmitSignal(button, "pressed");
return 1;
}
return 0;
}
txt_widget_class_t txt_button_class =
{
TXT_ButtonSizeCalc,
TXT_ButtonDrawer,
TXT_ButtonKeyPress,
TXT_ButtonDestructor,
};
txt_button_t *TXT_NewButton(char *label)
{
txt_button_t *button;
button = malloc(sizeof(txt_button_t));
TXT_InitWidget(button, &txt_button_class);
button->label = strdup(label);
return button;
}
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