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#include <stdlib.h>
#include <string.h>
#include "doomkeys.h"
#include "txt_checkbox.h"
#include "txt_io.h"
#include "txt_main.h"
#include "txt_window.h"
static void TXT_CheckBoxSizeCalc(TXT_UNCAST_ARG(checkbox))
{
TXT_CAST_ARG(txt_checkbox_t, checkbox);
// Minimum width is the string length + two spaces for padding
checkbox->widget.w = strlen(checkbox->label) + 6;
checkbox->widget.h = 1;
}
static void TXT_CheckBoxDrawer(TXT_UNCAST_ARG(checkbox), int selected)
{
TXT_CAST_ARG(txt_checkbox_t, checkbox);
int i;
int w;
w = checkbox->widget.w;
TXT_BGColor(TXT_COLOR_BLUE, 0);
TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
TXT_DrawString(" (");
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
if ((*checkbox->variable != 0) ^ checkbox->inverted)
{
TXT_DrawString("\x07");
}
else
{
TXT_DrawString(" ");
}
TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
TXT_DrawString(") ");
if (selected)
{
TXT_BGColor(TXT_COLOR_GREY, 0);
}
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
TXT_DrawString(checkbox->label);
for (i=strlen(checkbox->label); i < w-6; ++i)
{
TXT_DrawString(" ");
}
}
static void TXT_CheckBoxDestructor(TXT_UNCAST_ARG(checkbox))
{
TXT_CAST_ARG(txt_checkbox_t, checkbox);
free(checkbox->label);
}
static int TXT_CheckBoxKeyPress(TXT_UNCAST_ARG(checkbox), int key)
{
TXT_CAST_ARG(txt_checkbox_t, checkbox);
if (key == KEY_ENTER || key == ' ')
{
*checkbox->variable = !*checkbox->variable;
TXT_EmitSignal(checkbox, "changed");
return 1;
}
return 0;
}
static void TXT_CheckBoxMousePress(TXT_UNCAST_ARG(checkbox), int x, int y, int b)
{
TXT_CAST_ARG(txt_checkbox_t, checkbox);
if (b == TXT_MOUSE_LEFT)
{
// Equivalent to pressing enter
TXT_CheckBoxKeyPress(checkbox, KEY_ENTER);
}
}
txt_widget_class_t txt_checkbox_class =
{
TXT_CheckBoxSizeCalc,
TXT_CheckBoxDrawer,
TXT_CheckBoxKeyPress,
TXT_CheckBoxDestructor,
TXT_CheckBoxMousePress,
};
txt_checkbox_t *TXT_NewCheckBox(char *label, int *variable)
{
txt_checkbox_t *checkbox;
checkbox = malloc(sizeof(txt_checkbox_t));
TXT_InitWidget(checkbox, &txt_checkbox_class);
checkbox->label = strdup(label);
checkbox->variable = variable;
checkbox->inverted = 0;
return checkbox;
}
txt_checkbox_t *TXT_NewInvertedCheckBox(char *label, int *variable)
{
txt_checkbox_t *result;
result = TXT_NewCheckBox(label, variable);
result->inverted = 1;
return result;
}
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