From 6c28e028509722c27078966a2c94ddb9d0090ca7 Mon Sep 17 00:00:00 2001
From: Leo Prikler <leo.prikler@student.tugraz.at>
Date: Tue, 1 Dec 2020 16:46:47 +0100
Subject: video: Add more bindings.

* sdl2/bindings.scm (sdl-window-get-minimum-size)
(sdl-window-get-maximum-size, sdl-window-set-minimum-size)
(sdl-window-set-maximum-size, sdl-window-set-resizable):
New procedures.
* sdl2/video.scm (window-minimum-size, window-maximum-size)
(set-window-minimum-size!, set-window-maximum-size!)
(set-window-resizable!): New procedures.
* doc/api.texi: Document new (sdl2 video) bindings.
---
 doc/api.texi      | 29 +++++++++++++++++++++++++++++
 sdl2/bindings.scm | 15 +++++++++++++++
 sdl2/video.scm    | 21 +++++++++++++++++++++
 3 files changed, 65 insertions(+)

diff --git a/doc/api.texi b/doc/api.texi
index a158795..ef7d702 100644
--- a/doc/api.texi
+++ b/doc/api.texi
@@ -96,6 +96,20 @@ Return the title for @var{window}.
 Return the dimensions of @var{window}.
 @end deffn
 
+@deffn {Procedure} window-minimum-size window
+Return the minimal dimensions, that @var{window} should take.
+Note, that SDL does not always enforce this restriction, so you might end up
+with a window-size, that is actually smaller than the value returned by this
+function.
+@end deffn
+
+@deffn {Procedure} window-maximum-size window
+Return the maximal dimensions, that @var{window} should take.
+Note, that SDL does not always enforce this restriction, so you might end up
+with a window-size, that is actually larger than the value returned by this
+function.
+@end deffn
+
 @deffn {Procedure} window-position window
 Return the position of @var{window} on the display.
 @end deffn
@@ -152,6 +166,21 @@ Set the dimensions of @var{window} to @var{size}, a two-element list of
 (width,height) coordinates measured in pixels.
 @end deffn
 
+@deffn {Procedure} set-window-minimum-size! window width height
+Set the minimum dimensions of @var{window} to @var{width} x
+@var{height} pixels.
+@end deffn
+
+@deffn {Procedure} set-window-maximum-size! window width height
+Set the maximum dimensions of @var{window} to @var{width} x
+@var{height} pixels.
+@end deffn
+
+@deffn {Procedure} set-window-resizable! window resizable?
+If @var{resizable} is @code{#t}, allow @var{window} to be resized,
+otherwise disable resizing.
+@end deffn
+
 @deffn {Procedure} set-window-fullscreen! window fullscreen? [#:desktop?]
 Toggle fullscreen mode on/off for @var{window}.  If @var{fullscreen?},
 fullscreen mode is activated, otherwise it is deactivated.  If
diff --git a/sdl2/bindings.scm b/sdl2/bindings.scm
index 586011e..aea12c9 100644
--- a/sdl2/bindings.scm
+++ b/sdl2/bindings.scm
@@ -167,6 +167,12 @@ RETURN-TYPE and accept arguments of ARG-TYPES."
 (define-foreign sdl-get-window-size
   void "SDL_GetWindowSize" '(* * *))
 
+(define-foreign sdl-get-window-minimum-size
+  void "SDL_GetWindowMinimumSize" '(* * *))
+
+(define-foreign sdl-get-window-maximum-size
+  void "SDL_GetWindowMaximumSize" '(* * *))
+
 (define-foreign sdl-get-window-position
   void "SDL_GetWindowPosition" '(* * *))
 
@@ -206,6 +212,15 @@ RETURN-TYPE and accept arguments of ARG-TYPES."
 (define-foreign sdl-set-window-size
   void "SDL_SetWindowSize" (list '* int int))
 
+(define-foreign sdl-set-window-minimum-size
+  void "SDL_SetWindowMinimumSize" (list '* int int))
+
+(define-foreign sdl-set-window-maximum-size
+  void "SDL_SetWindowMaximumSize" (list '* int int))
+
+(define-foreign sdl-set-window-resizable
+  void "SDL_SetWindowResizable" (list '* sdl-bool))
+
 (define-foreign sdl-set-window-fullscreen
   int "SDL_SetWindowFullscreen" (list '* uint32))
 
diff --git a/sdl2/video.scm b/sdl2/video.scm
index 187a5bc..d26eb62 100644
--- a/sdl2/video.scm
+++ b/sdl2/video.scm
@@ -166,6 +166,14 @@ returns or otherwise exits."
   "Return the dimensions of WINDOW."
   (%get-coords window ffi:sdl-get-window-size))
 
+(define (window-minimum-size window)
+  "Return the minimal dimensions, that WINDOW can take."
+  (%get-coords window ffi:sdl-get-window-minimum-size))
+
+(define (window-maximum-size window)
+  "Return the maximal dimensions, that WINDOW can take."
+  (%get-coords window ffi:sdl-get-window-maximum-size))
+
 (define (window-position window)
   "Return the position of WINDOW on the display."
   (%get-coords window ffi:sdl-get-window-position))
@@ -231,6 +239,19 @@ of (width,height) coordinates measured in pixels."
     ((width height)
      (ffi:sdl-set-window-size (unwrap-window window) width height))))
 
+(define (set-window-minimum-size! window width height)
+  "Set the minimum dimensions of WINDOW to WIDTH x HEIGHT pixels."
+  (ffi:sdl-set-window-minimum-size (unwrap-window window) width height))
+
+(define (set-window-maximum-size! window width height)
+  "Set the maximum dimensions of WINDOW to WIDTH x HEIGHT pixels."
+  (ffi:sdl-set-window-maximum-size (unwrap-window window) width height))
+
+(define (set-window-resizable! window resizable?)
+  "If RESIZABLE?, make WINDOW resizable, otherwise disable resizing for WINDOW."
+  (ffi:sdl-set-window-resizable (unwrap-window window)
+                                (ffi:boolean->sdl-bool resizable?)))
+
 (define* (set-window-fullscreen! window fullscreen? #:key desktop?)
   "Toggle fullscreen mode on/off for WINDOW.  If FULLSCREEN?,
 fullscreen mode is activated, otherwise it is deactivated.  If
-- 
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