diff options
| -rw-r--r-- | include/sway/input/cursor.h | 8 | ||||
| -rw-r--r-- | sway/input/cursor.c | 65 |
2 files changed, 73 insertions, 0 deletions
diff --git a/include/sway/input/cursor.h b/include/sway/input/cursor.h index 22e278b0..4636bf6b 100644 --- a/include/sway/input/cursor.h +++ b/include/sway/input/cursor.h @@ -86,4 +86,12 @@ void cursor_warp_to_container(struct sway_cursor *cursor, void cursor_warp_to_workspace(struct sway_cursor *cursor, struct sway_workspace *workspace); + +uint32_t get_mouse_bindsym(const char *name, char **error); + +uint32_t get_mouse_bindcode(const char *name, char **error); + +// Considers both bindsym and bindcode +uint32_t get_mouse_button(const char *name, char **error); + #endif diff --git a/sway/input/cursor.c b/sway/input/cursor.c index 96feb47d..0d5e9361 100644 --- a/sway/input/cursor.c +++ b/sway/input/cursor.c @@ -2,8 +2,10 @@ #include <math.h> #include <libevdev/libevdev.h> #include <linux/input-event-codes.h> +#include <errno.h> #include <float.h> #include <limits.h> +#include <strings.h> #include <wlr/types/wlr_cursor.h> #include <wlr/types/wlr_xcursor_manager.h> #include <wlr/types/wlr_idle.h> @@ -1527,3 +1529,66 @@ void cursor_warp_to_workspace(struct sway_cursor *cursor, wlr_cursor_warp(cursor->cursor, NULL, x, y); } + +uint32_t get_mouse_bindsym(const char *name, char **error) { + if (strncasecmp(name, "button", strlen("button")) == 0) { + // Map to x11 mouse buttons + int number = name[strlen("button")] - '0'; + if (number < 1 || number > 9 || strlen(name) > strlen("button0")) { + *error = strdup("Only buttons 1-9 are supported. For other mouse " + "buttons, use the name of the event code."); + return 0; + } + static const uint32_t buttons[] = {BTN_LEFT, BTN_MIDDLE, BTN_RIGHT, + SWAY_SCROLL_UP, SWAY_SCROLL_DOWN, SWAY_SCROLL_LEFT, + SWAY_SCROLL_RIGHT, BTN_SIDE, BTN_EXTRA}; + return buttons[number - 1]; + } else if (strncmp(name, "BTN_", strlen("BTN_")) == 0) { + // Get event code from name + int code = libevdev_event_code_from_name(EV_KEY, name); + if (code == -1) { + size_t len = snprintf(NULL, 0, "Unknown event %s", name) + 1; + *error = malloc(len); + if (*error) { + snprintf(*error, len, "Unknown event %s", name); + } + return 0; + } + return code; + } + return 0; +} + +uint32_t get_mouse_bindcode(const char *name, char **error) { + // Validate event code + errno = 0; + char *endptr; + int code = strtol(name, &endptr, 10); + if (endptr == name && code <= 0) { + *error = strdup("Button event code must be a positive integer."); + return 0; + } else if (errno == ERANGE) { + *error = strdup("Button event code out of range."); + return 0; + } + const char *event = libevdev_event_code_get_name(EV_KEY, code); + if (!event || strncmp(event, "BTN_", strlen("BTN_")) != 0) { + size_t len = snprintf(NULL, 0, "Event code %d (%s) is not a button", + code, event) + 1; + *error = malloc(len); + if (*error) { + snprintf(*error, len, "Event code %d (%s) is not a button", + code, event); + } + return 0; + } + return code; +} + +uint32_t get_mouse_button(const char *name, char **error) { + uint32_t button = get_mouse_bindsym(name, error); + if (!button && !error) { + button = get_mouse_bindcode(name, error); + } + return button; +} |