From d7768b76d042eaa6cdce97976e96315d0bceccb2 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Mon, 6 Nov 2023 19:09:48 +0100
Subject: FLUID: Adds template for tutorial.

Tutorial still to be written.
Also adds convenience methods to Fl_Input_
for getting and setting numeric values.
---
 src/Fl_Input_.cxx | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'src')

diff --git a/src/Fl_Input_.cxx b/src/Fl_Input_.cxx
index 4fc429aa3..52fa8cb84 100644
--- a/src/Fl_Input_.cxx
+++ b/src/Fl_Input_.cxx
@@ -1462,6 +1462,54 @@ int Fl_Input_::value(const char* str) {
   return value(str, str ? (int) strlen(str) : 0);
 }
 
+/**
+ Changes the widget text to a signed integer number.
+
+ \param [in] v the new value
+ \return non-zero if the new value is different than the current one
+ \see Fl_Input_::value(const char* str), Fl_Input_::ivalue()
+ */
+int Fl_Input_::value(int v) {
+  char buf[64];
+  snprintf(buf, sizeof(buf)-1, "%d", v);
+  return value(buf);
+}
+
+/**
+ Changes the widget text to a floating point number ("%g").
+
+ \param [in] v the new value
+ \return non-zero if the new value is different than the current one
+ \see Fl_Input_::value(const char* str), Fl_Input_::ivalue()
+ */
+int Fl_Input_::value(double v) {
+  char buf[64];
+  snprintf(buf, sizeof(buf)-1, "%g", v);
+  return value(buf);
+}
+
+/**
+ Returns the widget text interpreted as a signed integer.
+
+ \return signed integer value
+ \see Fl_Input_::dvalue()
+ \see Fl_Input_::value(int)
+ */
+int Fl_Input_::ivalue() const {
+  return atoi(value());
+}
+
+/**
+ Returns the widget text interpreted as a floating point number.
+
+ \return double precision floating point value
+ \see Fl_Input_::ivalue()
+ \see Fl_Input_::value(double)
+ */
+int Fl_Input_::dvalue() const {
+  return atof(value());
+}
+
 /**
   Changes the size of the widget.
   This call updates the text layout so that the cursor is visible.
-- 
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