keychron_qmk_firmware/keyboards/gboards/engine/keymap_engine.h

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/* If for some reason you're still here, maybe due to horror, shock or
* some other godforsaken reason. Meet X Macros.
*
* The we abuse the include system to generate data structures that are
* used by the internal chording engine. The alternative to this is
* using a external generator (Like is done for the ASETNIOP base keymaps)
* With this disgusting bodge, you can just edit your .defs and compile!
*/
// Clear all X Macros
#define PRES BLANK
#define KEYS BLANK
#define SUBS BLANK
#define EXEC BLANK
#define SPEC BLANK
// Process single key pushes
#undef PRES
#define PRES P_KEYMAP
const struct keyEntry keyDict[] = {
#include "dicts.def"
};
#undef PRES
#define PRES BLANK
// Process Combos
#undef KEYS
#define KEYS K_ACTION
#include "dicts.def"
#undef KEYS
#define KEYS BLANK
#undef KEYS
#define KEYS K_KEYMAP
const struct comboEntry PROGMEM cmbDict[] = {
#include "dicts.def"
};
#undef KEYS
#define KEYS BLANK
// Process String stubs
#undef SUBS
#define SUBS S_ACTION
#include "dicts.def"
#undef SUBS
#define SUBS BLANK
// Generate dict for strings
#undef SUBS
#define SUBS S_KEYMAP
const struct stringEntry PROGMEM strDict[] = {
#include "dicts.def"
};
#undef SUBS
#define SUBS BLANK
// Generate function stubs
#undef EXEC
#define EXEC X_ACTION
#include "dicts.def"
#undef EXEC
#define EXEC BLANK
// Process the function structure
#undef EXEC
#define EXEC X_KEYMAP
const struct funcEntry funDict[] = {
#include "dicts.def"
};
#undef EXEC
#define EXEC BLANK
// Handle Special calls
#undef SPEC
#define SPEC Z_KEYMAP
const struct specialEntry spcDict[] = {
#include "dicts.def"
};
#undef SPEC
#define SPEC BLANK
// Test for collisions!
// Switch statement will explode on duplicate
// chords. This will be optimized out
#undef PRES
#undef KEYS
#undef SUBS
#undef EXEC
#undef SPEC
#define PRES TEST_COLLISION
#define KEYS TEST_COLLISION
#define SUBS TEST_COLLISION
#define EXEC TEST_COLLISION
#define SPEC TEST_COLLISION
void testCollisions(void) {
C_SIZE bomb = 0;
switch (bomb) {
#include "dicts.def"
}
}
// Test for unexpected input
// Should return blank lines for all valid input
#undef PRES
#undef KEYS
#undef SUBS
#undef EXEC
#undef SPEC
#define PRES BLANK
#define KEYS BLANK
#define SUBS BLANK
#define EXEC BLANK
#define SPEC BLANK
#include "dicts.def"
// Get size data back into the engine
size_t funcsLen = ARRAY_SIZE(funDict);
size_t stringLen = ARRAY_SIZE(strDict);
size_t keyLen = ARRAY_SIZE(keyDict);
size_t comboLen = ARRAY_SIZE(cmbDict);
size_t specialLen = ARRAY_SIZE(spcDict);