summaryrefslogtreecommitdiffstats
path: root/docs
diff options
context:
space:
mode:
authorBalz Guenat <balz.guenat@gmail.com>2017-11-16 03:23:55 +0100
committerJack Humbert <jack.humb@gmail.com>2017-11-16 15:39:00 +0100
commit179d64d33c5b2f881bbced97cc046949691f3757 (patch)
treeff2159dca730c2eb5fb111c9de07dd394a445659 /docs
parenteac4bab342e8cb95248985eb134887d898f2b49e (diff)
downloadqmk_firmware-179d64d33c5b2f881bbced97cc046949691f3757.tar.gz
qmk_firmware-179d64d33c5b2f881bbced97cc046949691f3757.tar.xz
extend macro docs a bit
Diffstat (limited to 'docs')
-rw-r--r--docs/feature_macros.md54
1 files changed, 44 insertions, 10 deletions
diff --git a/docs/feature_macros.md b/docs/feature_macros.md
index 66d2bc090..050fb45aa 100644
--- a/docs/feature_macros.md
+++ b/docs/feature_macros.md
@@ -8,34 +8,67 @@ Macros allow you to send multiple keystrokes when pressing just one key. QMK has
## The new way: `SEND_STRING()` & `process_record_user`
-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`).
+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`).
-For example:
+For example, you could write in your `keymap.c`:
+
+```c
+enum custom_keycodes {
+ MY_CUSTOM_MACRO = SAFE_RANGE
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+ if (record->event.pressed) {
+ switch(keycode) {
+ case MY_CUSTOM_MACRO:
+ SEND_STRING("QMK is the best thing ever!");
+ return false; break;
+ }
+ }
+ return true;
+};
+```
+
+To activate this macro, assign the keycode `MY_CUSTOM_MACRO` to one of your keys in your keymap.
+
+What happens here is this:
+We first define a new custom keycode in the range not occupied by any other keycodes.
+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.
+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).
+We return `false` to indicate to the caller that the key press we just processed need not be processed any further.
+
+You might want to add more than one macro.
+You can do that by adding another keycode and adding another case to the switch statement, like so:
```c
enum custom_keycodes {
- PRINT_TRUTH = SAFE_RANGE
+ MY_CUSTOM_MACRO = SAFE_RANGE,
+ MY_OTHER_MACRO
};
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
if (record->event.pressed) {
switch(keycode) {
- case PRINT_TRUTH:
+ case MY_CUSTOM_MACRO:
SEND_STRING("QMK is the best thing ever!");
return false; break;
+ case MY_OTHER_MACRO:
+ SEND_STRING(SS_LCTRL("ac")); // selects all and copies
+ return false; break;
}
}
return true;
};
```
-### Tap/down/up
+### TAP, DOWN and UP
+You may want to use keys in your macros that you can't write down, such as `Ctrl` or `Home`.
You can send arbitary keycodes by wrapping them in:
-* `SS_TAP()`
-* `SS_DOWN()`
-* `SS_UP()`
+* `SS_TAP()` presses and releases a key.
+* `SS_DOWN()` presses (but does not release) a key.
+* `SS_UP()` releases a key.
For example:
@@ -53,11 +86,12 @@ There's also a couple of mod shortcuts you can use:
* `SS_LGUI(string)`
* `SS_LALT(string)`
-That can be used like this:
+These press the respective modifier, send the supplied string and then release the modifier.
+They can be used like this:
SEND_STRING(SS_LCTRL("a"));
-Which would send LCTRL+a (LTRL down, a, LTRL up) - notice that they take strings (eg `"k"`), and not the `X_K` keycodes.
+Which would send LCTRL+a (LCTRL down, a, LCTRL up) - notice that they take strings (eg `"k"`), and not the `X_K` keycodes.
### Alternative keymaps