[Gpredict-svn] SF.net SVN: gpredict:[80] trunk/src

[<cs...@us...>]

Revision: 80
          http://gpredict.svn.sourceforge.net/gpredict/?rev=80&view=rev
Author:   csete
Date:     2008-09-03 21:24:41 +0000 (Wed, 03 Sep 2008)

Log Message:
-----------
Added API functions to get/set range of the control widget.

Modified Paths:
--------------
    trunk/src/gtk-rot-knob.c
    trunk/src/gtk-rot-knob.h

Modified: trunk/src/gtk-rot-knob.c
===================================================================
--- trunk/src/gtk-rot-knob.c	2008-08-28 22:13:14 UTC (rev 79)
+++ trunk/src/gtk-rot-knob.c	2008-09-03 21:24:41 UTC (rev 80)
@@ -130,7 +130,7 @@
  * 
  */
 GtkWidget *
-gtk_rot_knob_new (gfloat min, gfloat max, gfloat val)
+gtk_rot_knob_new (gdouble min, gdouble max, gdouble val)
 {
     GtkWidget *widget;
     GtkWidget *table;
@@ -300,7 +300,7 @@
  * 
  */
 void
-gtk_rot_knob_set_value (GtkRotKnob *knob, gfloat val)
+gtk_rot_knob_set_value (GtkRotKnob *knob, gdouble val)
 {
     /* set the new value */
     if (val <= knob->min)
@@ -322,14 +322,73 @@
  * Hint: For reading the value you can also access knob->value.
  * 
  */
-gfloat
+gdouble
 gtk_rot_knob_get_value (GtkRotKnob *knob)
 {
     return knob->value;
 }
 
 
+/** \brief Get the upper limit of the control widget
+ * \param[in] knob The rotor control widget.
+ * \return The upper limit of the control widget.
+ */
+gdouble
+gtk_rot_knob_get_max   (GtkRotKnob *knob)
+{
+    return knob->max;
+}
 
+
+/** \brief Get the lower limit of the control widget
+ * \param[in] knob The rotor control widget.
+ * \return The lower limit of the control widget.
+ */
+gdouble
+gtk_rot_knob_get_min   (GtkRotKnob *knob)
+{
+    return knob->min;
+}
+
+
+/** \brief Set the lower limit of the control widget
+ * \param[in] knob The rotor control widget.
+ * \param[in] min The new lower limit of the control widget.
+ */
+void
+gtk_rot_knob_set_min   (GtkRotKnob *knob, gdouble min)
+{
+    /* just som sanity check we have only 3 digits */
+    if (min < 1000)
+        knob->min = min;
+}
+
+/** \brief Set the upper limit of the control widget
+ * \param[in] knob The rotor control widget.
+ * \param[in] min The new upper limit of the control widget.
+ */
+void
+gtk_rot_knob_set_max (GtkRotKnob *knob, gdouble max)
+{
+    /* just som sanity check we have only 3 digits */
+    if (max < 1000)
+        knob->max = max;
+}
+
+
+/** \brief Set the range of the control widget
+ * \param[in] knob The rotor control widget.
+ * \param[in] min The new lower limit of the control widget.
+ * \param[in] max The new upper limit of the control widget.
+ */
+void
+gtk_rot_knob_set_range (GtkRotKnob *knob, gdouble min, gdouble max)
+{
+    gtk_rot_knob_set_min (knob, min);
+    gtk_rot_knob_set_max (knob, max);
+}
+
+
 /** \brief Update rotor display widget.
  *  \param[in] knob The rotor control widget.
  * 
@@ -369,7 +428,7 @@
 button_clicked_cb (GtkWidget *button, gpointer data)
 {
     GtkRotKnob *knob = GTK_ROT_KNOB (data);
-    gfloat delta = GPOINTER_TO_INT(g_object_get_data (G_OBJECT (button), "delta")) / 100.0;
+    gdouble delta = GPOINTER_TO_INT(g_object_get_data (G_OBJECT (button), "delta")) / 100.0;
     
     if ((delta > 0.0) && ((knob->value + delta) <= knob->max)) {
         knob->value += delta;
@@ -382,3 +441,5 @@
     
     g_print ("VAL: %.2f\n", knob->value);
 }
+
+

Modified: trunk/src/gtk-rot-knob.h
===================================================================
--- trunk/src/gtk-rot-knob.h	2008-08-28 22:13:14 UTC (rev 79)
+++ trunk/src/gtk-rot-knob.h	2008-09-03 21:24:41 UTC (rev 80)
@@ -64,9 +64,9 @@
     GtkWidget *digits[7];   /*!< Labels for the digits */
     GtkWidget *buttons[10]; /*!< Buttons; 0..4 up; 5..9 down */
 	
-    gfloat min;
-    gfloat max;
-    gfloat value;
+    gdouble min;
+    gdouble max;
+    gdouble value;
 };
 
 struct _GtkRotKnobClass
@@ -77,9 +77,15 @@
 
 
 GtkType    gtk_rot_knob_get_type  (void);
-GtkWidget* gtk_rot_knob_new       (gfloat min, gfloat max, gfloat val);
-void       gtk_rot_knob_set_value (GtkRotKnob *knob, gfloat val);
-gfloat     gtk_rot_knob_get_value (GtkRotKnob *knob);
+GtkWidget* gtk_rot_knob_new       (gdouble min, gdouble max, gdouble val);
+void       gtk_rot_knob_set_value (GtkRotKnob *knob, gdouble val);
+gdouble    gtk_rot_knob_get_value (GtkRotKnob *knob);
+void       gtk_rot_knob_set_max   (GtkRotKnob *knob, gdouble max);
+gdouble    gtk_rot_knob_get_max   (GtkRotKnob *knob);
+gdouble    gtk_rot_knob_get_min   (GtkRotKnob *knob);
+void       gtk_rot_knob_set_min   (GtkRotKnob *knob, gdouble min);
+void       gtk_rot_knob_set_max   (GtkRotKnob *knob, gdouble max);
+void       gtk_rot_knob_set_range (GtkRotKnob *knob, gdouble min, gdouble max);
 
 
 


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