1 files changed, 146 insertions, 0 deletions
diff --git a/widget_keypad.c b/widget_keypad.c
new file mode 100644
index 0000000..35df70a
--- /dev/null
+++ b/widget_keypad.c
@@ -0,0 +1,146 @@
+/* $Id: widget_keypad.c 996 2009-03-23 17:22:24Z volker $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/widget_keypad.c $
+ *
+ * keypad widget handling
+ *
+ * Copyright (C) 2006 Chris Maj <cmaj@freedomcorpse.com>
+ * Copyright (C) 2006 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * exported functions:
+ *
+ * WIDGET_CLASS Widget_Keypad
+ *   the keypad widget
+ *
+ */
+
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "debug.h"
+#include "cfg.h"
+#include "property.h"
+#include "timer.h"
+#include "widget.h"
+#include "widget_keypad.h"
+
+#ifdef WITH_DMALLOC
+#include <dmalloc.h>
+#endif
+
+
+int widget_keypad_draw(WIDGET * Self)
+{
+    WIDGET_KEYPAD *keypad = Self->data;
+
+    /* evaluate properties */
+    property_eval(&keypad->expression);
+
+    return P2N(&keypad->expression);
+}
+
+
+int widget_keypad_init(WIDGET * Self)
+{
+    char *section;
+    char *c;
+    WIDGET_KEYPAD *keypad;
+
+    /* prepare config section */
+    /* strlen("Widget:")=7 */
+    section = malloc(strlen(Self->name) + 8);
+    strcpy(section, "Widget:");
+    strcat(section, Self->name);
+
+    keypad = malloc(sizeof(WIDGET_KEYPAD));
+    memset(keypad, 0, sizeof(WIDGET_KEYPAD));
+
+    /* load properties */
+    property_load(section, "expression", NULL, &keypad->expression);
+
+    /* state: pressed (default), released */
+    c = cfg_get(section, "state", "pressed");
+    if (!strcasecmp(c, "released"))
+	keypad->key = WIDGET_KEY_RELEASED;
+    else
+	keypad->key = WIDGET_KEY_PRESSED;
+
+    /* position: confirm (default), up, down, left, right, cancel */
+    c = cfg_get(section, "position", "confirm");
+    if (!strcasecmp(c, "up"))
+	keypad->key += WIDGET_KEY_UP;
+    else if (!strcasecmp(c, "down"))
+	keypad->key += WIDGET_KEY_DOWN;
+    else if (!strcasecmp(c, "left"))
+	keypad->key += WIDGET_KEY_LEFT;
+    else if (!strcasecmp(c, "right"))
+	keypad->key += WIDGET_KEY_RIGHT;
+    else if (!strcasecmp(c, "cancel"))
+	keypad->key += WIDGET_KEY_CANCEL;
+    else
+	keypad->key += WIDGET_KEY_CONFIRM;
+
+    free(section);
+    Self->data = keypad;
+    Self->x2 = NOCOORD;
+    Self->y2 = NOCOORD;
+
+    return 0;
+}
+
+int widget_keypad_find(WIDGET * Self, void *needle)
+{
+    WIDGET_KEYPAD *keypad;
+    KEYPADKEY key = *(KEYPADKEY *) needle;
+
+    if (Self && Self->data) {
+	keypad = Self->data;
+	if (keypad->key == key)
+	    return 0;
+    }
+
+    return -1;
+}
+
+int widget_keypad_quit(WIDGET * Self)
+{
+    if (Self && Self->data) {
+	WIDGET_KEYPAD *keypad = Self->data;
+	property_free(&keypad->expression);
+	free(Self->data);
+	Self->data = NULL;
+    }
+    return 0;
+}
+
+
+
+WIDGET_CLASS Widget_Keypad = {
+    .name = "keypad",
+    .type = WIDGET_TYPE_KEYPAD,
+    .init = widget_keypad_init,
+    .draw = widget_keypad_draw,
+    .find = widget_keypad_find,
+    .quit = widget_keypad_quit,
+};