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add helpers to convert keypress to/from macro

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Adds two helpers to ease the conversion between
key+modifiers and a macro. These are only intended
for single-key presses, not long macros.
This commit is contained in:
Thomas Hindoe Paaboel Andersen
2018-02-20 00:35:15 +01:00
committed by Benjamin Tissoires
parent 02cbfc23b7
commit a0830a8aaa
2 changed files with 186 additions and 0 deletions
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22
src/libratbag-private.h
View File

@@ -355,6 +355,15 @@ struct ratbag_button_macro {
struct ratbag_macro macro;
};
#define MODIFIER_LEFTCTRL (1 << 0)
#define MODIFIER_LEFTSHIFT (1 << 1)
#define MODIFIER_LEFTALT (1 << 2)
#define MODIFIER_LEFTMETA (1 << 3)
#define MODIFIER_RIGHTCTRL (1 << 4)
#define MODIFIER_RIGHTSHIFT (1 << 5)
#define MODIFIER_RIGHTALT (1 << 6)
#define MODIFIER_RIGHTMETA (1 << 7)
struct ratbag_button_action {
enum ratbag_button_action_type type;
union ratbag_btn_action {
@@ -478,6 +487,19 @@ ratbag_button_action_match(const struct ratbag_button_action *action,
return 0;
}
int
ratbag_action_macro_num_keys(struct ratbag_button_action *action);
int
ratbag_button_macro_new_from_keycode(struct ratbag_button *button,
unsigned int key,
unsigned int modifiers);
int
ratbag_action_keycode_from_macro(struct ratbag_button_action *action,
unsigned int *key_out,
unsigned int *modifiers_out);
static inline void
ratbag_resolution_set_resolution(struct ratbag_resolution *res,
int dpi_x, int dpi_y, int hz)

164
src/libratbag.c
View File

@@ -1909,3 +1909,167 @@ ratbag_button_macro_new(const char *name)
return macro;
}
struct ratbag_modifier_mapping {
unsigned int modifier_mask;
unsigned int key;
};
struct ratbag_modifier_mapping ratbag_modifier_mapping[] = {
{ MODIFIER_LEFTCTRL, KEY_LEFTCTRL },
{ MODIFIER_LEFTSHIFT, KEY_LEFTSHIFT },
{ MODIFIER_LEFTALT, KEY_LEFTALT },
{ MODIFIER_LEFTMETA, KEY_LEFTMETA },
{ MODIFIER_RIGHTCTRL, KEY_RIGHTCTRL },
{ MODIFIER_RIGHTSHIFT, KEY_RIGHTSHIFT },
{ MODIFIER_RIGHTALT, KEY_RIGHTALT },
{ MODIFIER_RIGHTMETA, KEY_RIGHTMETA },
};
int
ratbag_button_macro_new_from_keycode(struct ratbag_button *button,
unsigned int key,
unsigned int modifiers)
{
struct ratbag_button_macro *macro;
struct ratbag_modifier_mapping *mapping;
int i;
macro = ratbag_button_macro_new("key");
i = 0;
ARRAY_FOR_EACH(ratbag_modifier_mapping, mapping) {
if (modifiers & mapping->modifier_mask)
ratbag_button_macro_set_event(macro,
i++,
RATBAG_MACRO_EVENT_KEY_PRESSED,
mapping->key);
}
ratbag_button_macro_set_event(macro,
i++,
RATBAG_MACRO_EVENT_KEY_PRESSED,
key);
ratbag_button_macro_set_event(macro,
i++,
RATBAG_MACRO_EVENT_KEY_RELEASED,
key);
ARRAY_FOR_EACH(ratbag_modifier_mapping, mapping) {
if (modifiers & mapping->modifier_mask)
ratbag_button_macro_set_event(macro,
i++,
RATBAG_MACRO_EVENT_KEY_RELEASED,
mapping->key);
}
ratbag_button_copy_macro(button, macro);
ratbag_button_macro_unref(macro);
return 0;
}
int
ratbag_action_macro_num_keys(struct ratbag_button_action *action)
{
struct ratbag_macro *macro = action->macro;
int i, count;
count = 0;
for (i = 0; i < MAX_MACRO_EVENTS; i++) {
struct ratbag_macro_event event;
event = macro->events[i];
if (event.type == RATBAG_MACRO_EVENT_KEY_PRESSED)
{
switch(event.event.key) {
case KEY_LEFTCTRL:
case KEY_LEFTSHIFT:
case KEY_LEFTALT:
case KEY_LEFTMETA:
case KEY_RIGHTCTRL:
case KEY_RIGHTSHIFT:
case KEY_RIGHTALT:
case KEY_RIGHTMETA:
break;
default:
count++;
}
}
}
return count;
}
int
ratbag_action_keycode_from_macro(struct ratbag_button_action *action,
unsigned int *key_out,
unsigned int *modifiers_out)
{
struct ratbag_macro *macro = action->macro;
unsigned int key = KEY_RESERVED;
unsigned int modifiers = 0;
unsigned int i;
if (!macro || action->type != RATBAG_BUTTON_ACTION_TYPE_MACRO)
return -EINVAL;
if (macro->events[0].type == RATBAG_MACRO_EVENT_NONE)
return -EINVAL;
if (ratbag_action_macro_num_keys(action) != 1)
return -EINVAL;
for (i = 0; i < MAX_MACRO_EVENTS; i++) {
struct ratbag_macro_event event;
event = macro->events[i];
switch (event.type) {
case RATBAG_MACRO_EVENT_INVALID:
return -EINVAL;
case RATBAG_MACRO_EVENT_NONE:
return 0;
case RATBAG_MACRO_EVENT_KEY_PRESSED:
switch(event.event.key) {
case KEY_LEFTCTRL: modifiers |= MODIFIER_LEFTCTRL; break;
case KEY_LEFTSHIFT: modifiers |= MODIFIER_LEFTSHIFT; break;
case KEY_LEFTALT: modifiers |= MODIFIER_LEFTALT; break;
case KEY_LEFTMETA: modifiers |= MODIFIER_LEFTMETA; break;
case KEY_RIGHTCTRL: modifiers |= MODIFIER_RIGHTCTRL; break;
case KEY_RIGHTSHIFT: modifiers |= MODIFIER_RIGHTSHIFT; break;
case KEY_RIGHTALT: modifiers |= MODIFIER_RIGHTALT; break;
case KEY_RIGHTMETA: modifiers |= MODIFIER_RIGHTMETA; break;
default:
if (key != KEY_RESERVED)
return -EINVAL;
key = event.event.key;
}
break;
case RATBAG_MACRO_EVENT_KEY_RELEASED:
switch(event.event.key) {
case KEY_LEFTCTRL: modifiers &= ~MODIFIER_LEFTCTRL; break;
case KEY_LEFTSHIFT: modifiers &= ~MODIFIER_LEFTSHIFT; break;
case KEY_LEFTALT: modifiers &= ~MODIFIER_LEFTALT; break;
case KEY_LEFTMETA: modifiers &= ~MODIFIER_LEFTMETA; break;
case KEY_RIGHTCTRL: modifiers &= ~MODIFIER_RIGHTCTRL; break;
case KEY_RIGHTSHIFT: modifiers &= ~MODIFIER_RIGHTSHIFT; break;
case KEY_RIGHTALT: modifiers &= ~MODIFIER_RIGHTALT; break;
case KEY_RIGHTMETA: modifiers &= ~MODIFIER_RIGHTMETA; break;
default:
if (event.event.key != key)
return -EINVAL;
*key_out = key;
*modifiers_out = modifiers;
return 1;
}
case RATBAG_MACRO_EVENT_WAIT:
break;
default:
return -EINVAL;
}
}
return -EINVAL;
}