Refactor BeRTOS to be in his own directory.

[bertos.git] / bertos / dt / editint.c

diff --git a/bertos/dt/editint.c b/bertos/dt/editint.c
new file mode 100644 (file)
index 0000000..8ddcb7e
--- /dev/null
+++ b/bertos/dt/editint.c
@@ -0,0 +1,159 @@
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2005 Develer S.r.l. (http://www.develer.com/)
+ * -->
+ *
+ * \version $Id$
+ *
+ * \brief Integer edit widget (implementation).
+ *
+ * \version $Id$
+ * \author Bernardo Innocenti <bernie@develer.com>
+ * \author Francesco Sacchi <batt@develer.com>
+ */
+
+/*#*
+ *#* $Log$
+ *#* Revision 1.2  2006/07/19 12:56:26  bernie
+ *#* Convert to new Doxygen style.
+ *#*
+ *#* Revision 1.1  2005/11/04 18:26:38  bernie
+ *#* Import into DevLib.
+ *#*
+ *#* Revision 1.7  2005/06/10 15:46:09  batt
+ *#* Add EDIS_WRAP style that wrap around min and max.
+ *#*
+ *#* Revision 1.6  2005/06/08 17:32:33  batt
+ *#* Switch to new messaging system.
+ *#*
+ *#* Revision 1.5  2005/06/06 11:04:12  batt
+ *#* Add some comments.
+ *#*
+ *#* Revision 1.4  2005/05/31 11:09:34  batt
+ *#* Fix sending pointer instead of value bug.
+ *#*
+ *#* Revision 1.3  2005/05/26 14:46:20  batt
+ *#* Use correct tag; remove warning.
+ *#*
+ *#* Revision 1.2  2005/05/26 14:44:10  batt
+ *#* Abstract widget from layer: use context.
+ *#*
+ *#* Revision 1.1  2005/05/26 08:32:53  batt
+ *#* Add new Develer widget system :)
+ *#*
+ *#*/
+
+#include <mware/editint.h>
+#include <dt/dwidget.h>
+#include <dt/dtag.h>
+#include <dt/dnotifier.h>
+
+#include <cfg/macros.h>
+
+#include <drv/lcd_text.h>
+
+/**
+ * Init.
+ */
+void editint_init(DEditInt *e, dpos_t pos, dpos_t size, dcontext_t *context, int *value, int min, int max)
+{
+       // Initialize superclass
+       widget_init(&e->widget, pos, size, context);
+
+       // Override superclass methods
+       e->widget.notifier.update = (update_func_ptr)editint_update;
+
+       // Init instance
+       e->value = value;
+       e->min = min;
+       e->max = max;
+       e->style = EDIS_DEFAULT;
+       e->draw = editint_draw;
+}
+
+/**
+ * Handle the messages (edit the int).
+ */
+void editint_update(DEditInt *e, dtag_t tag, dval_t _val)
+{
+       bool changed = false;
+       int val = (int)_val;
+
+       switch (tag)
+       {
+       case TAG_SETVALUE:
+               *e->value = MINMAX(e->min, val, e->max);
+               changed = true;
+               break;
+
+       /* Increments the integer by val */
+       case TAG_UP:
+               if (e->style & EDIS_WRAP)
+               {
+                       if (*e->value + val > e->max)
+                               *e->value = (*e->value + val - e->min) % (e->max - e->min + 1) + e->min;
+                       else
+                               *e->value += val;
+               }
+               else
+                       *e->value = MIN(*e->value + val, e->max);
+               changed = true;
+               break;
+       /* Decrements the integer by val */
+       case TAG_DOWN:
+               if (e->style & EDIS_WRAP)
+               {
+                       if (*e->value - val < e->min)
+                               *e->value = e->max - (e->max - (*e->value - val)) % (e->max - e->min + 1);
+                       else
+                               *e->value -= val;
+               }
+               else
+                       *e->value = MAX(*e->value - val, e->min);
+               changed = true;
+               break;
+
+       default:
+               break;
+       }
+
+       if (changed)
+       {
+               e->draw(e);
+               dnotify_targets(&e->widget.notifier, TAG_SETVALUE, (dval_t)*e->value);
+       }
+}
+
+/**
+ * Draw the integer on the context.
+ */
+void editint_draw(DEditInt *e)
+{
+       lcd_printf((Layer *)e->widget.context, (lcdpos_t)e->widget.pos, LCD_NORMAL,"%*d", (int)e->widget.size, *e->value);
+}