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Bug 3055

Summary: SDL_GetModState consumes SHIFT(L/R), when SHIFT + Numpad key(0-9) is pressed
Product: SDL Reporter: Vikas <vikas.ag>
Component: eventsAssignee: Sam Lantinga <slouken>
Status: NEW --- QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: 2.0.3   
Hardware: x86   
OS: Windows 7   

Description Vikas 2015-07-10 09:26:32 UTC 
1. Enable the NUM lock key
2. Press the Shift(Left or right) key continuously
3. Simultaneously press 0-9 key from numpad 
4. SDL_GetModState returns 0(no modifier key pressed)

Note :
1. Press SHIFT + ALT + CTRL +  (0-9) numpad, SDL_GetModState returns 'ALT|CTRL' but not SHIFT
2. Disable the NUM lock, and it starts returning SHIFT modifier(for 0-9 num pad key)

For all other keys, SDL_GetModState returns SHIFT(if pressed)
Comment 1 Vikas 2015-07-24 11:58:47 UTC 
I tested the same scenario in Linux and it works fine.

It seems its windows bugs. 
Consider the following scenario:
1. Enable NUM lock
2. Press SHIFT + 1(Num pad(0-9) key)

Here I get 3 events
1. SHIFT released(I didn't released the shift)
2. NUM 1
3. SHIFT pressed

instead of NUM 1 + modifier(SHIFT)

It looks like windows is sending one extra SHIFT released and pressed event.

Any workaround for this?