commit 6b9f3748cf561254f085fa83ada80cb5ba9b3946
Author:     Simon Howard <fraggle@gmail.com>
AuthorDate: Thu Jun 29 18:07:32 2006 +0000
Commit:     Simon Howard <fraggle@gmail.com>
CommitDate: Thu Jun 29 18:07:32 2006 +0000

    Add inverted checkboxes (tick in box when value is false)

    Subversion-branch: /trunk/chocolate-doom
    Subversion-revision: 565
---
 textscreen/txt_checkbox.c | 13 ++++++++++++-
 textscreen/txt_checkbox.h |  2 ++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/textscreen/txt_checkbox.c b/textscreen/txt_checkbox.c
index cde095a8..56746f5f 100644
--- a/textscreen/txt_checkbox.c
+++ b/textscreen/txt_checkbox.c
@@ -33,7 +33,7 @@ static void TXT_CheckBoxDrawer(TXT_UNCAST_ARG(checkbox), int selected)

     TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);

-    if (*checkbox->variable)
+    if ((*checkbox->variable != 0) ^ checkbox->inverted)
     {
         TXT_DrawString("\x07");
     }
@@ -112,7 +112,18 @@ txt_checkbox_t *TXT_NewCheckBox(char *label, int *variable)
     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;
+}
+
diff --git a/textscreen/txt_checkbox.h b/textscreen/txt_checkbox.h
index 3de21b30..44fb39c0 100644
--- a/textscreen/txt_checkbox.h
+++ b/textscreen/txt_checkbox.h
@@ -34,9 +34,11 @@ struct txt_checkbox_s
     txt_widget_t widget;
     char *label;
     int *variable;
+    int inverted;
 };

 txt_checkbox_t *TXT_NewCheckBox(char *label, int *variable);
+txt_checkbox_t *TXT_NewInvertedCheckBox(char *label, int *variable);

 #endif /* #ifndef TXT_CHECKBOX_H */