Key repeat for nk_keys

src/nuklear.h

@@ -4516,12 +4516,26 @@ struct nk_mouse {
 
 struct nk_key {
     nk_bool down;
+    float down_time;
     unsigned int clicked;
 };
+
+#ifndef NK_INPUT_REPEATER_DELAY
+#define NK_INPUT_REPEATER_DELAY 0.33f
+#endif
+
+#ifndef NK_INPUT_REPEATER_INTERVAL
+#define NK_INPUT_REPEATER_INTERVAL 0.05f
+#endif
+
 struct nk_keyboard {
     struct nk_key keys[NK_KEY_MAX];
     char text[NK_INPUT_MAX];
     int text_len;
+    float repeater_delay;
+    float repeater_interval;
+    /* copied from nk_context.delta_time_seconds on nk_end_input call */
+    float delta;
 };
 
 struct nk_input {

src/nuklear_context.c

@@ -13,6 +13,8 @@ nk_setup(struct nk_context *ctx, const struct nk_user_font *font)
     if (!ctx) return;
     nk_zero_struct(*ctx);
     nk_style_default(ctx);
+    ctx->input.keyboard.repeater_delay    = NK_INPUT_REPEATER_DELAY;
+    ctx->input.keyboard.repeater_interval = NK_INPUT_REPEATER_INTERVAL;
     ctx->seq = 1;
     if (font) ctx->style.font = font;
 #ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT

src/nuklear_edit.c

@@ -247,9 +247,24 @@ nk_do_edit(nk_flags *state, struct nk_command_buffer *out,
         int old_mode = edit->mode;
         for (i = 0; i < NK_KEY_MAX; ++i) {
             if (i == NK_KEY_ENTER || i == NK_KEY_TAB) continue; /* special case */
+
+            if (!nk_input_is_key_down(in, (enum nk_keys)i)){
+                in->keyboard.keys[i].down_time = 0.0f;
+                continue;
+            }
+
+            in->keyboard.keys[i].down_time += in->keyboard.delta;
+
             if (nk_input_is_key_pressed(in, (enum nk_keys)i)) {
+                /* single press or begin holding */
+                nk_textedit_key(edit, (enum nk_keys)i, shift_mod, font, row_height);
+                cursor_follow = nk_true;
+                in->keyboard.keys[i].down_time = 0.0f;
+            } else if (in->keyboard.keys[i].down_time >= in->keyboard.repeater_delay) {
+                /* held for at least delay */
                 nk_textedit_key(edit, (enum nk_keys)i, shift_mod, font, row_height);
                 cursor_follow = nk_true;
+                in->keyboard.keys[i].down_time -= in->keyboard.repeater_interval;
             }
         }
         if (old_mode != edit->mode) {

src/nuklear_input.c

@@ -40,6 +40,7 @@ nk_input_end(struct nk_context *ctx)
         in->mouse.ungrab = 0;
         in->mouse.grab = 0;
     }
+    ctx->input.keyboard.delta = ctx->delta_time_seconds;
 }
 NK_API void
 nk_input_motion(struct nk_context *ctx, int x, int y)