Improve key handling somewhat

XKB is fucking bullshit

1 files changed, 25 insertions, 5 deletions

diff --git a/sway/handlers.c b/sway/handlers.c
index c789662e..18f1d13c 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -316,6 +316,14 @@ static void handle_view_state_request(wlc_handle view, enum wlc_view_state_bit s
 
 static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifiers *modifiers,
                 uint32_t key, uint32_t sym, enum wlc_key_state state) {
+
+        static const uint32_t modifier_syms[] = {
+                XKB_KEY_Shift_L, XKB_KEY_Shift_R, XKB_KEY_Control_L, XKB_KEY_Control_R,
+                XKB_KEY_Caps_Lock, XKB_KEY_Shift_Lock, XKB_KEY_Meta_L, XKB_KEY_Meta_R,
+                XKB_KEY_Alt_L, XKB_KEY_Alt_R, XKB_KEY_Super_L, XKB_KEY_Super_R,
+                XKB_KEY_Hyper_L, XKB_KEY_Hyper_R
+        };
+
         if (locked_view_focus && state == WLC_KEY_STATE_PRESSED) {
                 return false;
         }
@@ -327,12 +335,28 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
         }
 
         struct sway_mode *mode = config->current_mode;
+
+        if (!isalnum(sym)) {
+                // God fucking dammit
+                return false;
+        }
+
         // Lowercase if necessary
         sym = tolower(sym);
 
         int i;
+        bool mod = false;
 
-        for (i = 0; i < KEY_CACHE_SIZE; ++i) {
+        for (i = 0; i < sizeof(modifier_syms) / sizeof(uint32_t); ++i) {
+                if (modifier_syms[i] == sym) {
+                        mod = true;
+                        break;
+                }
+        }
+
+        int total = 0;
+        for (i = 0; i < KEY_CACHE_SIZE && !mod; ++i) {
+                total += keys_pressed[i] != 0;
                 if (state == WLC_KEY_STATE_PRESSED && keys_pressed[i] == 0) {
                         keys_pressed[i] = sym;
                         break;
@@ -341,10 +365,6 @@ static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifier
                         break;
                 }
         }
-        if (i == KEY_CACHE_SIZE) {
-                sway_log(L_DEBUG, "Key buffer full!");
-                return false;
-        }
 
         // TODO: reminder to check conflicts with mod+q+a versus mod+q
         for (i = 0; i < mode->bindings->length; ++i) {