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Date: Thu, 17 Apr 2003 23:27:34 -0400
From: Darrell Walisser
Subject: Yet another OS X cursor bug
The synopsis:
1. Call SDL_ShowCursor(0);
2. Call SDL_SetVideoMode();
3. Call SDL_GetEvent();
3. Call SDL_ShowCursor(1);
The result: Sometimes the cursor doesn't come back! Ack! Oddly enough,
it does come back when mousing over the dock or clicking in the menu
bar. But that's besides the point.
The reason why this is happening is a flaw in the handling of
activation/deactivation events. The short explanation is that the
HideCursor() and ShowCursor() calls must be balanced, but if the cursor
was initially hidden, HideCursor() was called again on the activate
event - so now the next ShowCursor() fails (as does the next, and the
next, for some reason).
So, here's the patch. All it does is keep track of the
HideCursor()/ShowCursor() calls so that they will always be balanced.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 20 Apr 2003 05:41:16 +0000 |
| parents | 74212992fb08 |
| children | 05c551e5bc64 |
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These are test programs for the SDL library: testver Check the version and dynamic loading and endianness testtypes Check to see if the data types are the correct size testhread Hacked up test of multi-threading testlock Hacked up test of multi-threading and locking testerror Tests multi-threaded error handling testsem Tests SDL's semaphore implementation testtimer Test the timer facilities loopwave Audio test -- loop playing a WAV file testcdrom Sample audio CD control program testkeys List the available keyboard keys testvidinfo Show the pixel format of the display checkkeys Watch the key events to check the keyboard testwin Display a BMP image at various depths graywin Display a gray gradient and center mouse on spacebar testsprite Example of fast sprite movement on the screen testbitmap Test displaying 1-bit bitmaps testalpha Display an alpha faded icon -- paint with mouse testwm Test window manager -- title, icon, events threadwin Test multi-threaded event handling testgl A very simple example of using OpenGL with SDL testjoystick List joysticks and watch joystick events