From e325c2e4a0a927f0b70c7f71da02065019c020ef Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Sun, 26 May 2024 17:50:40 +0200
Subject: Adding new call `Fl_Window::get_size_range()`, #981

---
 FL/Fl_Window.H    |  2 ++
 src/Fl_Window.cxx | 26 +++++++++++++++++++++++++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/FL/Fl_Window.H b/FL/Fl_Window.H
index adf0aa44c..6c6e26493 100644
--- a/FL/Fl_Window.H
+++ b/FL/Fl_Window.H
@@ -347,6 +347,8 @@ public:
 
   void size_range(int minw, int minh, int maxw=0, int maxh=0, int dw=0, int dh=0, int aspect=0);
 
+  uchar get_size_range(int *minw, int *minh, int *maxw=NULL, int *maxh=NULL, int *dw=NULL, int *dh=NULL, int *aspect=NULL);
+
   /** See void Fl_Window::label(const char*)   */
   const char* label() const     {return Fl_Widget::label();}
   /**  See void Fl_Window::iconlabel(const char*)   */
diff --git a/src/Fl_Window.cxx b/src/Fl_Window.cxx
index 38b3da521..e2e0f8237 100644
--- a/src/Fl_Window.cxx
+++ b/src/Fl_Window.cxx
@@ -606,7 +606,7 @@ int Fl_Window::handle(int ev)
 }
 
 /**
-  Sets the allowable range the user can resize this window to.
+  Sets the allowable range to which the user can resize this window.
 
   We recommend to call size_range() if you have a resizable() widget
   in a main window, and to call it after setting the resizable() and
@@ -677,6 +677,30 @@ void Fl_Window::size_range(int minWidth, int minHeight,
   pWindowDriver->size_range();  // platform specific stuff
 }
 
+/**
+ Gets the allowable range to which the user can resize this window.
+
+ \param[out] minWidth, minHeight, maxWidth, maxHeight, deltaX, deltaY, aspectRatio
+    are all pointers to integers that will receive the current respective value
+    during the call. Every pointer can be NULL if that value is not needed.
+ \retval 0 if size range not set
+ \retval 1 if the size range was explicitly set by a call to Fl_Window::size_range()
+    or has been calculated
+ \see Fl_Window::size_range(int minWidth, int minHeight, int maxWidth, int maxHeight, int deltaX, int deltaY, int aspectRatio)
+ */
+uchar Fl_Window::get_size_range(int *minWidth, int *minHeight,
+                                int *maxWidth, int *maxHeight,
+                                int *deltaX, int *deltaY, int *aspectRatio) {
+  if (minWidth) *minWidth = minw_;
+  if (minHeight) *minHeight = minh_;
+  if (maxWidth) *maxWidth = maxw_;
+  if (maxHeight) *maxHeight = maxh_;
+  if (deltaX) *deltaX = dw_;
+  if (deltaY) *deltaY = dh_;
+  if (aspectRatio) *aspectRatio = aspect_;
+  return size_range_set_;
+}
+
 /**
   Protected method to calculate the default size range of a window.
 
-- 
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