1 files changed, 103 insertions, 0 deletions
diff --git a/textscreen/txt_radiobutton.c b/textscreen/txt_radiobutton.c
new file mode 100644
index 00000000..80911a46
--- /dev/null
+++ b/textscreen/txt_radiobutton.c
@@ -0,0 +1,103 @@
+
+#include <string.h>
+
+#include "doomkeys.h"
+
+#include "txt_radiobutton.h"
+#include "txt_io.h"
+#include "txt_main.h"
+#include "txt_window.h"
+
+static void TXT_RadioButtonSizeCalc(txt_widget_t *widget, int *w, int *h)
+{
+    txt_radiobutton_t *radiobutton = (txt_radiobutton_t *) widget;
+
+    // Minimum width is the string length + two spaces for padding
+
+    *w = strlen(radiobutton->label) + 6;
+    *h = 1;
+}
+
+static void TXT_RadioButtonDrawer(txt_widget_t *widget, int w, int selected)
+{
+    txt_radiobutton_t *radiobutton = (txt_radiobutton_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 (*radiobutton->variable == radiobutton->value)
+    {
+        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(radiobutton->label);
+    
+    for (i=strlen(radiobutton->label); i < w-6; ++i)
+    {
+        TXT_DrawString(" ");
+    }
+}
+
+static void TXT_RadioButtonDestructor(txt_widget_t *widget)
+{
+    txt_radiobutton_t *radiobutton = (txt_radiobutton_t *) widget;
+
+    free(radiobutton->label);
+}
+
+static int TXT_RadioButtonKeyPress(txt_widget_t *widget, int key)
+{
+    txt_radiobutton_t *radiobutton = (txt_radiobutton_t *) widget;
+
+    if (key == KEY_ENTER || key == ' ')
+    {
+        *radiobutton->variable = radiobutton->value;
+        return 1;
+    }
+    
+    return 0;
+}
+
+txt_widget_class_t txt_radiobutton_class =
+{
+    TXT_RadioButtonSizeCalc,
+    TXT_RadioButtonDrawer,
+    TXT_RadioButtonKeyPress,
+    TXT_RadioButtonDestructor,
+};
+
+txt_radiobutton_t *TXT_NewRadioButton(char *label, int *variable, int value)
+{
+    txt_radiobutton_t *radiobutton;
+
+    radiobutton = malloc(sizeof(txt_radiobutton_t));
+
+    radiobutton->widget.widget_class = &txt_radiobutton_class;
+    radiobutton->widget.selectable = 1;
+    radiobutton->widget.visible = 1;
+    radiobutton->label = strdup(label);
+    radiobutton->variable = variable;
+    radiobutton->value = value;
+
+    return radiobutton;
+}
+