From f48520c10ba822e13ef119f626b85fc081f96124 Mon Sep 17 00:00:00 2001
From: Andrew Opalach <andrew@akon.city>
Date: Tue, 25 Aug 2026 19:48:15 -0400
Subject: Raw input + drag and drop on Windows, cleanup

Signed-off-by: Andrew Opalach <andrew@akon.city>
---
 src/window.h | 61 +++++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 38 insertions(+), 23 deletions(-)

(limited to 'src/window.h')

diff --git a/src/window.h b/src/window.h
index 16b8f2e..66d4f38 100644
--- a/src/window.h
+++ b/src/window.h
@@ -36,6 +36,18 @@
 #include "egl_common.h"
 #endif
 
+// Drag window by clicking anywhere with MOUSE2.
+#define STELA_MOUSE2_DRAG
+
+#ifdef STELA_WINDOW_WIN32
+#define STELA_DRAG_AND_DROP
+#endif
+
+#define STELA_EVENT_SIZE 24u
+#ifndef STELA_EVENTS_SIZE
+#define STELA_EVENTS_SIZE (STELA_EVENT_SIZE * 64u)
+#endif
+
 #ifndef STELA_MIN_WIDTH
 #define STELA_MIN_WIDTH 16u
 #endif
@@ -48,21 +60,6 @@
 #define STELA_ICON_AT_RUNTIME
 #endif
 
-// Drag window by clicking anywhere with MOUSE2.
-#define STELA_MOUSE2_DRAG
-
-enum {
-    STELA_WINDOW_VSYNC = 1,
-    STELA_WINDOW_WALLPAPER = 1 << 1
-};
-
-enum {
-    STELA_CURSOR_NORMAL = 0,
-    STELA_CURSOR_MOVE,
-    STELA_CURSOR_CROSSHAIR,
-    STELA_CURSOR_HIDDEN
-};
-
 #define STELA_MAX_MONITOR_NAME 255u
 
 struct stl_monitor {
@@ -73,10 +70,10 @@ struct stl_monitor {
     char name[STELA_MAX_MONITOR_NAME];
 };
 
-#define STELA_EVENT_SIZE 24u
-#ifndef STELA_EVENTS_SIZE
-#define STELA_EVENTS_SIZE (STELA_EVENT_SIZE * 64u)
-#endif
+enum {
+    STELA_WINDOW_VSYNC = 1,
+    STELA_WINDOW_WALLPAPER = 1 << 1
+};
 
 struct stl_window {
     u32 width;
@@ -126,7 +123,7 @@ struct stl_window {
     void (*output_discovered_callback)(void *, struct stl_monitor *);
     void (*render_callback)(void *);
     void (*resize_callback)(void *, u32, u32);
-    bool (*pointer_pos_callback)(void *, f64, f64);
+    bool (*pointer_callback)(void *, u8, f64, f64);
     bool (*touch_callback)(void *, s32, u8, f64, f64);
     bool (*scroll_callback)(void *, f64);
     bool (*mouse_button_callback)(void *, u8, u8);
@@ -136,6 +133,9 @@ struct stl_window {
     // - Return value decides if the event should "pass through" or not.
     //   True = Consume, False = Passthrough.
     bool (*key_immediate_callback)(void *, u8, u16);
+#ifdef STELA_DRAG_AND_DROP
+    void (*drag_and_drop_callback)(void *, str *);
+#endif
     void (*should_close_callback)(void *);
     void *userdata;
     bool closed;
@@ -184,6 +184,11 @@ static u8 stl_all_mouse_buttons[] = {
 
 AL_IGNORE_WARNING_END
 
+enum {
+    STELA_POINTER_POS = 0,
+    STELA_POINTER_MOVE,
+};
+
 enum {
     STELA_TOUCH_HOVER = 0,
     STELA_TOUCH_BEGAN,
@@ -192,7 +197,14 @@ enum {
     STELA_TOUCH_CANCELLED
 };
 
-extern s32 stl_platform_main(u32 argc, str *argv);
+enum {
+    STELA_CURSOR_NORMAL = 0,
+    STELA_CURSOR_MOVE,
+    STELA_CURSOR_CROSSHAIR,
+    STELA_CURSOR_HIDDEN
+};
+
+extern s32 stl_platform_main(u32 argc, str *argv, void *extra);
 
 f64 stl_scale_scroll(f64 v, f64 factor);
 void stl_set_output_discovered_callback(void (*output_discovered)(void *, struct stl_monitor *), void *userdata);
@@ -209,15 +221,18 @@ void stl_global_close(void);
 struct stl_window *stl_window_create(void);
 void stl_window_send_render_event(struct stl_window *window);
 void stl_window_send_resize_event(struct stl_window *window, u32 width, u32 height);
-void stl_window_send_pointer_pos_event(struct stl_window *window, f64 x, f64 y);
+void stl_window_send_pointer_event(struct stl_window *window, u8 type, f64 x, f64 y);
 void stl_window_send_touch_event(struct stl_window *window, s32 index, u8 phase, f64 x, f64 y);
 void stl_window_send_scroll_event(struct stl_window *window, f64 y);
 void stl_window_send_mouse_button_event(struct stl_window *window, u8 state, u8 button);
 void stl_window_drop_mouse_buttons(struct stl_window *window);
 void stl_window_send_key_event(struct stl_window *window, u8 state, u16 button);
 bool stl_window_send_key_immediate_event(struct stl_window *window, u8 state, u16 button);
-void stl_window_drop_modifiers(struct stl_window *window);
+#ifdef STELA_DRAG_AND_DROP
+void stl_window_send_drag_and_drop_event(struct stl_window *window, str *path);
+#endif
 void stl_window_send_should_close_event(struct stl_window *window);
+void stl_window_drop_modifiers(struct stl_window *window);
 #ifdef STELA_EVENT_BUFFER
 bool stl_window_read_events(struct stl_window *window);
 #endif
-- 
cgit v1.2.3-101-g0448