From ae4f6cc7e9b567bcecc7fb812aa4ab5058aca379 Mon Sep 17 00:00:00 2001
From: Krow Savcik <krow@savcik.xyz>
Date: Fri, 16 Feb 2024 18:32:54 +0200
Subject: improved: layer interface

New layer is added above the selected one rather than being added on top.
---
 src/canvas.c |  8 ++++++++
 src/canvas.h |  1 +
 src/cdraw.c  |  4 ----
 src/cdraw.h  |  2 +-
 src/ui.c     |  4 ++--
 src/user.c   | 13 ++++---------
 6 files changed, 16 insertions(+), 16 deletions(-)

(limited to 'src')

diff --git a/src/canvas.c b/src/canvas.c
index 2cc2e58..cfee1a3 100644
--- a/src/canvas.c
+++ b/src/canvas.c
@@ -462,6 +462,14 @@ canvas_refresh(Canvas *c)
 	SDL_SetRenderTarget(ren, NULL);
 }
 
+void
+canvas_change_layer(Canvas *c, unsigned int l)
+{
+	if (l < c->layer_arr_cnt)
+		c->cur_layer = l;
+}
+
+
 static void
 canvas_set_proj_path(Canvas *c, const char *path)
 {
diff --git a/src/canvas.h b/src/canvas.h
index 5735aba..ae45dfa 100644
--- a/src/canvas.h
+++ b/src/canvas.h
@@ -46,6 +46,7 @@ void            canvas_add_layer(Canvas *, unsigned int);
 void            canvas_move_x(Canvas *, long int);
 void            canvas_move_y(Canvas *, long int);
 void            canvas_refresh(Canvas *);
+void            canvas_change_layer(Canvas *, unsigned int);
 unsigned char   canvas_save(Canvas *, const char *, short int);
 unsigned char   canvas_export_png(Canvas *, const char *, void *);
 void            action_undo(Canvas *);
diff --git a/src/cdraw.c b/src/cdraw.c
index 6088df9..fab4fa7 100644
--- a/src/cdraw.c
+++ b/src/cdraw.c
@@ -199,8 +199,4 @@ main(int argc, char *argv[])
         if (ltick < fdif)
             SDL_Delay(fdif-ltick);
     }
-
-#ifdef F_MEMORY_DEBUG
-	f_debug_mem_show();
-#endif
 }
diff --git a/src/cdraw.h b/src/cdraw.h
index e3bc4fd..2a6710a 100644
--- a/src/cdraw.h
+++ b/src/cdraw.h
@@ -33,7 +33,7 @@ void            user_canvas_pal_col_chng(const Arg *);
 void            user_canvas_undo(const Arg *);
 void            user_canvas_redo(const Arg *);
 void            user_tool_change(const Arg *);
+void            user_layer_add(const Arg *);
 void            user_layer_chng(const Arg *);
-void            user_testing_layer_add(const Arg *);
 void            user_testing_reload_tex(const Arg *);
 void            user_debug_mem_show(const Arg *);
diff --git a/src/ui.c b/src/ui.c
index dd9c9fe..9a49fc4 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -305,8 +305,8 @@ ui_mousel_down(int x, int y)
 			ui_redraw_panel(UI_PANELTYPE_CANVAS);
 		} else if (x <= 162) {
 			y = cur_canvas->layer_arr_cnt-y-1;
-			y -= (int)(cur_canvas->cur_layer);
-			user_layer_chng(&y);
+			canvas_change_layer(cur_canvas, y);
+			ui_redraw_panel(UI_PANELTYPE_TIMELINE);
 		}
 		break;
 	}
diff --git a/src/user.c b/src/user.c
index 54ae60d..9d1b437 100644
--- a/src/user.c
+++ b/src/user.c
@@ -165,12 +165,11 @@ user_tool_change(const Arg *x)
 }
 
 void
-user_testing_layer_add(const Arg *x)
+user_layer_add(const Arg *x)
 {
-/* TODO: temp function */
 	if (cur_canvas == NULL) return;
-	canvas_add_layer(cur_canvas, -1);
-	cur_canvas->cur_layer = cur_canvas->layer_arr_cnt-1;
+	canvas_add_layer(cur_canvas, cur_canvas->cur_layer+1);
+	cur_canvas->cur_layer++;
 	ui_redraw_panel(UI_PANELTYPE_CANVAS);
 	ui_redraw_panel(UI_PANELTYPE_TIMELINE);
 }
@@ -179,11 +178,7 @@ void
 user_layer_chng(const Arg *x)
 {
 	if (cur_canvas == NULL) return;
-    cur_canvas->cur_layer += (unsigned int)cur_canvas->layer_arr_cnt;
-    cur_canvas->cur_layer += (x->i % (int)cur_canvas->layer_arr_cnt);
-    cur_canvas->cur_layer %= cur_canvas->layer_arr_cnt;
-
-	ui_redraw_panel(UI_PANELTYPE_CANVAS);
+	canvas_change_layer(cur_canvas, (cur_canvas->cur_layer + (unsigned int)cur_canvas->layer_arr_cnt + (x->i % (int)cur_canvas->layer_arr_cnt)) % cur_canvas->layer_arr_cnt);
 	ui_redraw_panel(UI_PANELTYPE_TIMELINE);
 }
 
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