1 files changed, 101 insertions, 0 deletions
diff --git a/textscreen/txt_checkbox.c b/textscreen/txt_checkbox.c
new file mode 100644
index 00000000..e8222606
--- /dev/null
+++ b/textscreen/txt_checkbox.c
@@ -0,0 +1,101 @@
+
+#include <string.h>
+
+#include "doomkeys.h"
+
+#include "txt_checkbox.h"
+#include "txt_io.h"
+#include "txt_main.h"
+#include "txt_window.h"
+
+static int TXT_CheckBoxSizeCalc(txt_widget_t *widget)
+{
+    txt_checkbox_t *checkbox = (txt_checkbox_t *) widget;
+
+    // Minimum width is the string length + two spaces for padding
+
+    return strlen(checkbox->label) + 6;
+}
+
+static void TXT_CheckBoxDrawer(txt_widget_t *widget, int w, int selected)
+{
+    txt_checkbox_t *checkbox = (txt_checkbox_t *) widget;
+    int i;
+
+    TXT_BGColor(TXT_COLOR_BLUE, 0);
+    TXT_FGColor(TXT_COLOR_BRIGHT_CYAN);
+    TXT_DrawString(" (");
+
+    TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
+
+    if (*checkbox->variable)
+    {
+        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_widget_t *widget)
+{
+    txt_checkbox_t *checkbox = (txt_checkbox_t *) widget;
+
+    free(checkbox->label);
+}
+
+static int TXT_CheckBoxKeyPress(txt_widget_t *widget, int key)
+{
+    txt_checkbox_t *checkbox = (txt_checkbox_t *) widget;
+
+    if (key == KEY_ENTER || key == ' ')
+    {
+        *checkbox->variable = !*checkbox->variable;
+        return 1;
+    }
+    
+    return 0;
+}
+
+txt_widget_class_t txt_checkbox_class =
+{
+    TXT_CheckBoxSizeCalc,
+    TXT_CheckBoxDrawer,
+    TXT_CheckBoxKeyPress,
+    TXT_CheckBoxDestructor,
+};
+
+txt_checkbox_t *TXT_NewCheckBox(char *label, int *variable)
+{
+    txt_checkbox_t *checkbox;
+
+    checkbox = malloc(sizeof(txt_checkbox_t));
+
+    checkbox->widget.widget_class = &txt_checkbox_class;
+    checkbox->widget.selectable = 1;
+    checkbox->widget.visible = 1;
+    checkbox->label = strdup(label);
+    checkbox->variable = variable;
+
+    return checkbox;
+}
+