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Added the hint SDL_HINT_MOUSE_RELATIVE_MODE_CENTER, controlling whether the mouse should be constrained to the center of the window or the whole window in relative mode.

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For further info about the pros and cons, check out the discussion in https://github.com/libsdl-org/SDL/issues/5271
This commit is contained in:
Sam Lantinga
2022-03-18 10:07:59 -07:00
parent d3cc5764c0
commit 6c96217727
3 changed files with 61 additions and 29 deletions
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16
include/SDL_hints.h
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@@ -933,6 +933,22 @@ extern "C" {
*/
#define SDL_HINT_MOUSE_NORMAL_SPEED_SCALE "SDL_MOUSE_NORMAL_SPEED_SCALE"
/**
* \brief A variable controlling whether relative mouse mode constrains the mouse to the center of the window
*
* This variable can be set to the following values:
* "0" - Relative mouse mode constrains the mouse to the window
* "1" - Relative mouse mode constrains the mouse to the center of the window
*
* Constraining to the center of the window works better for FPS games and when the
* application is running over RDP. Constraining to the whole window works better
* for 2D games and increases the chance that the mouse will be in the correct
* position when using high DPI mice.
*
* By default SDL will constrain the mouse to the center of the window
*/
#define SDL_HINT_MOUSE_RELATIVE_MODE_CENTER "SDL_MOUSE_RELATIVE_MODE_CENTER"
/**
* \brief A variable controlling whether relative mouse mode is implemented using mouse warping
*