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Bug 3566

Summary: Window Size changes suddenly if SetWindowMaximumSize is lower than SetWindowMinimumSize
Product: SDL Reporter: Rene <king-sora>
Component: videoAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: 2.0.5   
Hardware: x86_64   
OS: Windows 7   

Description Rene 2017-01-24 12:03:54 UTC 
I've a SDL window, created with following flags:

SDL_CreateWindow(title, x, y, width, height,
SDL.SDL_WindowFlags.SDL_WINDOW_ALLOW_HIGHDPI | 
SDL.SDL_WindowFlags.SDL_WINDOW_OPENGL | 
SDL.SDL_WindowFlags.SDL_WINDOW_HIDDEN | 
SDL.SDL_WindowFlags.SDL_WINDOW_RESIZABLE);

After that I've the following lines:
SDL_SetWindowMinimumSize(handle, 500, 500);
SDL_SetWindowMaximumSize(handle, 400, 400);

Then I show the window.

The window appears at the Size of 400x400, but after the first user-action (e.g. dragging the window around or trying to resize it) the window turns to the size 500x500.

This does not happen if the SDL.SDL_WindowFlags.SDL_WINDOW_RESIZABLE flag is not set.
Comment 1 Sam Lantinga 2017-01-28 05:17:27 UTC 
Fixed, thanks!
https://hg.libsdl.org/SDL/rev/7f08396c7581

In this case setting the maximum size will fail, because it's smaller than the minimum size.