extend macro docs a bit
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@ -8,19 +8,19 @@ Macros allow you to send multiple keystrokes when pressing just one key. QMK has
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## The new way: `SEND_STRING()` & `process_record_user`
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Sometimes you just want a key to type out words or phrases. For the most common situations we've provided `SEND_STRING()`, which will type out your string for you. All ascii that is easily translated to a keycode is supported (eg `\n\t`).
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Sometimes you just want a key to type out words or phrases. For the most common situations we've provided `SEND_STRING()`, which will type out your string (i.e. a sequence of characters) for you. All ASCII characters that are easily translated to a keycode are supported (e.g. `\n\t`).
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For example:
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For example, you could write in your `keymap.c`:
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```c
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enum custom_keycodes {
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PRINT_TRUTH = SAFE_RANGE
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MY_CUSTOM_MACRO = SAFE_RANGE
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};
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bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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if (record->event.pressed) {
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switch(keycode) {
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case PRINT_TRUTH:
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case MY_CUSTOM_MACRO:
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SEND_STRING("QMK is the best thing ever!");
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return false; break;
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}
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@ -29,13 +29,46 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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};
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```
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### Tap/down/up
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To activate this macro, assign the keycode `MY_CUSTOM_MACRO` to one of your keys in your keymap.
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What happens here is this:
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We first define a new custom keycode in the range not occupied by any other keycodes.
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Then we use the `process_record_user` function, which is called whenever a key is pressed or released, to check if our custom keycode has been activated.
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If yes, we send the string `"QMK is the best thing ever!"` to the computer via the `SEND_STRING` macro (this is a C preprocessor macro, not to be confused with QMK macros).
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We return `false` to indicate to the caller that the key press we just processed need not be processed any further.
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You might want to add more than one macro.
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You can do that by adding another keycode and adding another case to the switch statement, like so:
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```c
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enum custom_keycodes {
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MY_CUSTOM_MACRO = SAFE_RANGE,
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MY_OTHER_MACRO
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};
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bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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if (record->event.pressed) {
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switch(keycode) {
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case MY_CUSTOM_MACRO:
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SEND_STRING("QMK is the best thing ever!");
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return false; break;
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case MY_OTHER_MACRO:
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SEND_STRING(SS_LCTRL("ac")); // selects all and copies
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return false; break;
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}
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}
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return true;
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};
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```
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### TAP, DOWN and UP
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You may want to use keys in your macros that you can't write down, such as `Ctrl` or `Home`.
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You can send arbitary keycodes by wrapping them in:
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* `SS_TAP()`
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* `SS_DOWN()`
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* `SS_UP()`
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* `SS_TAP()` presses and releases a key.
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* `SS_DOWN()` presses (but does not release) a key.
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* `SS_UP()` releases a key.
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For example:
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@ -53,11 +86,12 @@ There's also a couple of mod shortcuts you can use:
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* `SS_LGUI(string)`
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* `SS_LALT(string)`
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That can be used like this:
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These press the respective modifier, send the supplied string and then release the modifier.
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They can be used like this:
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SEND_STRING(SS_LCTRL("a"));
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Which would send LCTRL+a (LTRL down, a, LTRL up) - notice that they take strings (eg `"k"`), and not the `X_K` keycodes.
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Which would send LCTRL+a (LCTRL down, a, LCTRL up) - notice that they take strings (eg `"k"`), and not the `X_K` keycodes.
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### Alternative keymaps
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