Massive code refactor

src/scratchpad.h

@@ -0,0 +1,60 @@
+#pragma once
+
+#include <wlr/types/wlr_scene.h>
+#include "client.h"
+#include "monitor.h"
+
+/* Forward declarations from peachwm.c */
+extern struct wl_list clients;
+extern struct wl_list fstack;
+extern Monitor *selmon;
+
+/* The scene layer trees — defined in peachwm.c.
+ * We declare the full size so callers can index with
+ * any Lyr* constant. */
+#define NUM_LAYERS 9
+extern struct wlr_scene_tree *layers[];
+
+/* Scene layer indices */
+enum {
+	LyrBg,          /* 0 */
+	LyrBottom,      /* 1 */
+	LyrTile,        /* 2 */
+	LyrFloat,       /* 3 */
+	LyrScratch,     /* 4 */
+	LyrTop,         /* 5 */
+	LyrFS,          /* 6 */
+	LyrOverlay,     /* 7 */
+	LyrBlock,       /* 8 */
+	/* NUM_LAYERS = 9 */
+};
+
+/* The argument union used by keybind functions.
+ * Both peachwm.c and the scratchpad module need to agree on this,
+ * so it sits here rather than privately in each .c file. */
+typedef union {
+	int i;
+	uint32_t ui;
+	float f;
+	const void *v;
+} Arg;
+
+/* Scoped visibility helper — also defined (identically) in layout.c */
+int  visibleon(Client *c, Monitor *m);
+#define VISIBLEON(C, M) visibleon((C), (M))
+
+/* ----------- Extracted scratchpad functions ----------- */
+
+/* Reparent + resize every scratchpad client of @m to a centred 80% box */
+void scratchpad_arrange(Monitor *m);
+
+/* Toggle the scratchpad workspace on/off */
+void togglescratchpad(const Arg *arg);
+
+/* Move focused client into/out-of scratchpad.
+ * When inside scratchpad, pops it out to the current workspace.
+ * When outside, moves it into the scratchpad. */
+void swapdirscratchpad(const Arg *arg);
+
+/* Cycle focus among scratchpad clients (used by focusdir). */
+void scratchpad_focusdir_cycle(const Arg *arg);