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X11 scancode mapping cleanup

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* Consolidated scancode mapping tables into a single location for all backends
* Verified that the xfree86_scancode_table2 is largely identical to the Linux scancode table
* Updated the Linux scancode table with the latest kernel keycodes (still unmapped)
* Route X11 keysym -> scancode mapping through the linux scancode table (which a few hand-written exceptions), which will allow mappings to automatically get picked up as they are added in the Linux scancode table
* Disabled verbose reporting of missing keysym mappings, we have enough data for now
This commit is contained in:
Sam Lantinga 2022-10-13 22:40:24 -07:00
parent f5afb7d11a
commit 99f2a50394
13 changed files with 2251 additions and 1157 deletions
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28
src/core/linux/SDL_evdev.c
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@ -42,7 +42,7 @@
#include "SDL_endian.h"
#include "SDL_scancode.h"
#include "../../events/SDL_events_c.h"
#include "../../events/scancodes_linux.h" /* adds linux_scancode_table */
#include "../../events/SDL_scancode_tables_c.h"
#include "../../core/linux/SDL_evdev_capabilities.h"
#include "../../core/linux/SDL_udev.h"
@ -509,23 +509,21 @@ SDL_EVDEV_Poll(void)
static SDL_Scancode
SDL_EVDEV_translate_keycode(int keycode)
{
SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN;
SDL_Scancode scancode = SDL_GetScancodeFromTable(SDL_SCANCODE_TABLE_LINUX, keycode);
if (keycode < SDL_arraysize(linux_scancode_table)) {
scancode = linux_scancode_table[keycode];
if (scancode == SDL_SCANCODE_UNKNOWN) {
/* BTN_TOUCH is handled elsewhere, but we might still end up here if
you get an unexpected BTN_TOUCH from something SDL believes is not
a touch device. In this case, we'd rather not get a misleading
SDL_Log message about an unknown key. */
if (keycode != BTN_TOUCH) {
SDL_Log("The key you just pressed is not recognized by SDL. To help "
"get this fixed, please report this to the SDL forums/mailing list "
"<https://discourse.libsdl.org/> EVDEV KeyCode %d", keycode);
}
#ifdef DEBUG_SCANCODES
if (scancode == SDL_SCANCODE_UNKNOWN) {
/* BTN_TOUCH is handled elsewhere, but we might still end up here if
you get an unexpected BTN_TOUCH from something SDL believes is not
a touch device. In this case, we'd rather not get a misleading
SDL_Log message about an unknown key. */
if (keycode != BTN_TOUCH) {
SDL_Log("The key you just pressed is not recognized by SDL. To help "
"get this fixed, please report this to the SDL forums/mailing list "
"<https://discourse.libsdl.org/> EVDEV KeyCode %d", keycode);
}
}
#endif /* DEBUG_SCANCODES */
return scancode;
}