kc3-lang/SDL/src/events

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• Hash : 32d6dcdb
  Author :
  Date : 2015-05-28T12:48:20
  

  Fixed bug 2096 - Mapping from scancode to keycode doesn't work for remapped modifier keys Jacob Lee If a user has a non-standard keyboard mapping -- say, their caps lock key has been mapped to Ctrl -- then SDL_GetModState() is no longer accurate: it only considers the unmapped keys. This is a regression from SDL 1.2. I think there are two parts to this bug: first, GetModState should use keycodes, rather than scancodes, which is easy enough. Unfortunately, on my system, SDL considers Caps Lock, even when mapped as Control, to be both SDL_SCANCODE_CAPSLOCK and SDLK_CAPSLOCK. The output from checkkeys for it is: INFO: Key pressed : scancode 57 = CapsLock, keycode 0x40000039 = CapsLock modifiers: CAPS Whereas the output for xev is: KeyPress event, serial 41, synthetic NO, window 0x4a00001, root 0x9a, subw 0x0, time 40218333, (144,177), root:(1458,222), state 0x10, keycode 66 (keysym 0xffe3, Control_L), same_screen YES, XKeysymToKeycode returns keycode: 37 XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False I think the problem is that X11_UpdateKeymap in SDL_x11keyboard.c only builds a mapping for keycodes associated with a Unicode character (anything where X11_KeyCodeToUcs returns a value). In the case of caps lock, SDL scancode 57 becomes x11 keycode 66, which becomes x11 keysym 65507(Control_L), which does not have a unicode value. To fix this, I suspect that SDL needs a mapping of the rest of the x11 keysyms to their corresponding SDL key codes.

• Files

• SDL_clipboardevents.c
• SDL_clipboardevents_c.h
• SDL_dropevents.c
• SDL_dropevents_c.h
• SDL_events.c
• SDL_events_c.h
• SDL_gesture.c
• SDL_gesture_c.h
• SDL_keyboard.c
• SDL_keyboard_c.h
• SDL_mouse.c
• SDL_mouse_c.h
• SDL_quit.c
• SDL_sysevents.h
• SDL_touch.c
• SDL_touch_c.h
• SDL_windowevents.c
• SDL_windowevents_c.h
• blank_cursor.h
• default_cursor.h
• scancodes_darwin.h
• scancodes_linux.h
• scancodes_windows.h
• scancodes_xfree86.h

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