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  1. Minecraft: Java Edition
  2. MC-68754

Exiting fullscreen disables window resize

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Minecraft 1.8-pre3, Minecraft 17w43a
    • Minecraft 1.8-pre1, Minecraft 1.8.1, Minecraft 1.8.2-pre6, Minecraft 1.8.2-pre7, Minecraft 1.8.2, Minecraft 1.8.3, Minecraft 1.8.4, Minecraft 1.8.5, Minecraft 1.8.6, Minecraft 1.8.7, Minecraft 1.8.8, Minecraft 15w31b, Minecraft 15w31c, Minecraft 15w32c, Minecraft 15w33b, Minecraft 15w33c, Minecraft 15w34a, Minecraft 15w34d, Minecraft 15w35b, Minecraft 15w35e, Minecraft 15w37a, Minecraft 15w38a, Minecraft 15w38b, Minecraft 15w39a, Minecraft 15w40a, Minecraft 15w41b, Minecraft 15w42a, Minecraft 15w43a, Minecraft 15w43c, Minecraft 15w44a, Minecraft 15w44b, Minecraft 15w45a, Minecraft 15w47a, Minecraft 15w47c, Minecraft 1.8.9, Minecraft 15w50a, Minecraft 15w51b, Minecraft 16w03a, Minecraft 16w04a, Minecraft 16w05b, Minecraft 16w06a, Minecraft 16w07a, Minecraft 1.9 Pre-Release 1, Minecraft 1.9 Pre-Release 2, Minecraft 1.9 Pre-Release 4, Minecraft 1.9, Minecraft 1.9.1 Pre-Release 3, Minecraft 1.9.1, Minecraft 1.9.2, Minecraft 1.9.3 Pre-Release 1, Minecraft 1.9.4, Minecraft 16w20a, Minecraft 16w21a, Minecraft 16w21b, Minecraft 1.10 Pre-Release 1, Minecraft 1.10, Minecraft 1.10.1, Minecraft 1.10.2, Minecraft 16w33a, Minecraft 16w35a, Minecraft 16w38a, Minecraft 16w39a, Minecraft 16w39c, Minecraft 16w41a, Minecraft 16w42a, Minecraft 16w43a, Minecraft 16w44a, Minecraft 1.11, Minecraft 1.11.2, Minecraft 1.12 Pre-Release 1, Minecraft 1.12 Pre-Release 5, Minecraft 1.12
    • Windows 7 64 bit, Java 8 update 11
    • Confirmed

      When exiting fullscreen (with F11 or through video settings) you can't click maximize until you restart the game.
      This happens on Windows 7, but not on Ubuntu 16.4.

      Code analysis

      Outdated code analysis by marcono1234 is found here

      New code analysis:
      Based on MC-111254 the problem is indeed a LWJGL bug, now https://github.com/LWJGL/lwjgl/issues/142
      As a hacky workaround (as stated in MC-111254), the method net.minecraft.client.Minecraft.toggleFullscreen() could be temporarily changed to:

      /**
 * Toggles fullscreen mode.
 */
public void toggleFullscreen()
{
    try
    {
        //...

        Display.setFullscreen(this.fullscreen);
        // New temporary code
        if (!this.fullscreen) {
            Display.setResizable(false);
            Display.setResizable(true);
        }
        
        //...
    }
    catch (Exception exception)
    {
        LOGGER.error((String)"Couldn\'t toggle fullscreen", (Throwable)exception);
    }
}

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        14. minecraft182_size5afterfullscreen_arrows.png
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        15. maximize error windows 7 sp1 64 bit.png
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        20. mc-windowbug-bugged.png
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        24. MCPatcher_1.8.png
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            Unassigned Unassigned
            ninosfl ninosfl
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            Watchers:
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              Created:
              Updated:
              Resolved:
              CHK: