From c17f5a5377f959a7e67526e0ae89b329bf99a101 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Wed, 16 Jan 2019 07:15:26 -0500
Subject: solve in background thread

---
 src/sdl/draw.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 47 insertions(+), 5 deletions(-)

(limited to 'src/sdl/draw.c')

diff --git a/src/sdl/draw.c b/src/sdl/draw.c
index 5bb8de7..322bd7a 100644
--- a/src/sdl/draw.c
+++ b/src/sdl/draw.c
@@ -230,18 +230,58 @@ draw_help_text(
 
   // build text
   char buf[256];
+  if (draw_ctx->state == GAME_STATE_SOLVE) {
+    snprintf(buf, sizeof(buf), " Space: Cancel ");
+  } else {
 #define D "     "
-  snprintf(
-    buf, sizeof(buf),
-    " %sU: Undo" D "R: Reset" D "S: Solve" D "Q: Quit ",
-    sok_ctx_is_done(draw_ctx->ctx) ? "Space: Next Level" D : ""
-  );
+    snprintf(
+      buf, sizeof(buf),
+      " %sU: Undo" D "R: Reset" D "S: Solve" D "Q: Quit ",
+      sok_ctx_is_done(draw_ctx->ctx) ? "Space: Next Level" D : ""
+    );
+  }
 #undef D
 
   // draw text
   draw_text(draw_ctx->renderer, draw_ctx->font, style, buf);
 }
 
+static void
+draw_solve_wait_text(
+  draw_ctx_t * const draw_ctx
+) {
+  if (draw_ctx->state != GAME_STATE_SOLVE) {
+    return;
+  }
+
+  // get text style
+  const text_style_t *style = theme_get_text_style(draw_ctx->theme, TEXT_STYLE_SOLVE_WAIT);
+  const char *text = " Solving, Please Wait (press space to cancel) ";
+
+  // draw text
+  draw_text(draw_ctx->renderer, draw_ctx->font, style, text);
+}
+
+static void
+draw_solve_moves_text(
+  draw_ctx_t * const draw_ctx
+) {
+  if (draw_ctx->state != GAME_STATE_SOLVE) {
+    return;
+  }
+
+  // get text style
+  const text_style_t *style = theme_get_text_style(draw_ctx->theme, TEXT_STYLE_SOLVE_MOVES);
+  char buf[1024];
+
+  // fill buffer
+  snprintf(buf, sizeof(buf), " %lu attempts ", draw_ctx->solve_num_steps);
+
+  // draw text
+  draw_text(draw_ctx->renderer, draw_ctx->font, style, buf);
+}
+
+
 static void
 draw_bg(
   draw_ctx_t * const draw_ctx
@@ -281,6 +321,8 @@ draw(
   draw_title_text(draw_ctx);
   draw_help_text(draw_ctx);
   draw_moves_text(draw_ctx);
+  draw_solve_wait_text(draw_ctx);
+  draw_solve_moves_text(draw_ctx);
 
   // flip
   SDL_RenderPresent(draw_ctx->renderer);
-- 
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