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Add function for getting list of modifier names. 

Get an array of modifier names from modifier masks.
This commit is contained in:
Mikkel Oscar Lyderik 2016-01-06 16:59:54 +01:00
parent 320c2915b0
commit dffacea831
2 changed files with 21 additions and 0 deletions
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14
common/util.c
View File

@ -51,3 +51,17 @@ const char *get_modifier_name_by_mask(uint32_t modifier) {
return NULL;
}
int get_modifier_names(const char **names, uint32_t modifier_masks) {
int length = 0;
int i;
for (i = 0; i < (int)(sizeof(modifiers) / sizeof(struct modifier_key)); ++i) {
if ((modifier_masks & modifiers[i].mod) != 0) {
names[length] = modifiers[i].name;
++length;
modifier_masks ^= modifiers[i].mod;
}
}
return length;
}

7
include/util.h
View File

@ -29,4 +29,11 @@ uint32_t get_modifier_mask_by_name(const char *name);
*/
const char *get_modifier_name_by_mask(uint32_t modifier);
/**
* Get an array of modifier names from modifier_masks
*
* Populates the names array and return the number of names added.
*/
int get_modifier_names(const char **names, uint32_t modifier_masks);
#endif