From 6ecffa76f732fdc20873c1611723843464ac485a Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Sat, 20 May 2006 17:37:57 +0000
Subject: Checkbox class

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 491
---
 textscreen/Makefile.am    |   1 +
 textscreen/txt_checkbox.c | 101 ++++++++++++++++++++++++++++++++++++++++++++++
 textscreen/txt_checkbox.h |  43 ++++++++++++++++++++
 3 files changed, 145 insertions(+)
 create mode 100644 textscreen/txt_checkbox.c
 create mode 100644 textscreen/txt_checkbox.h

diff --git a/textscreen/Makefile.am b/textscreen/Makefile.am
index 17f9f39d..5f13215b 100644
--- a/textscreen/Makefile.am
+++ b/textscreen/Makefile.am
@@ -5,6 +5,7 @@ noinst_LIBRARIES=libtextscreen.a
 bin_PROGRAMS=guitest
 
 libtextscreen_a_SOURCES =              \
+	txt_checkbox.c txt_checkbox.h    \
 	txt_desktop.c txt_desktop.h    \
 	txt_gui.c     txt_gui.h        \
 	txt_io.c      txt_io.h         \
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;
+}
+
diff --git a/textscreen/txt_checkbox.h b/textscreen/txt_checkbox.h
new file mode 100644
index 00000000..3de21b30
--- /dev/null
+++ b/textscreen/txt_checkbox.h
@@ -0,0 +1,43 @@
+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// $Id$
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2006 Simon Howard
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+
+#ifndef TXT_CHECKBOX_H
+#define TXT_CHECKBOX_H
+
+typedef struct txt_checkbox_s txt_checkbox_t;
+
+#include "txt_widget.h"
+
+struct txt_checkbox_s
+{
+    txt_widget_t widget;
+    char *label;
+    int *variable;
+};
+
+txt_checkbox_t *TXT_NewCheckBox(char *label, int *variable);
+
+#endif /* #ifndef TXT_CHECKBOX_H */
+
+
-- 
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