input: allow window dragging even if mouse is in a mouse area

If the input section is enabled with MP_INPUT_ALLOW_VO_DRAGGING, then
the  VO will be allowed to drag the window with mouse button down +
mouse move even if the mouse is inside the section's mouse area.

2 files changed, 13 insertions, 4 deletions

diff --git a/mpvcore/input/input.c b/mpvcore/input/input.c
index 12e07a22dd..f977fd9e9d 100644
--- a/mpvcore/input/input.c
+++ b/mpvcore/input/input.c
@@ -2143,13 +2143,15 @@ void mp_input_set_section_mouse_area(struct input_ctx *ictx, char *name,
     input_unlock(ictx);
 }
 
-bool mp_input_test_mouse_active(struct input_ctx *ictx, int x, int y)
+static bool test_mouse(struct input_ctx *ictx, int x, int y, int rej_flags)
 {
     input_lock(ictx);
     bool res = false;
     for (int i = 0; i < ictx->num_active_sections; i++) {
-        char *name = ictx->active_sections[i].name;
-        struct cmd_bind_section *s = get_bind_section(ictx, bstr0(name));
+        struct active_section *as = &ictx->active_sections[i];
+        if (as->flags & rej_flags)
+            continue;
+        struct cmd_bind_section *s = get_bind_section(ictx, bstr0(as->name));
         if (s->mouse_area_set && test_rect(&s->mouse_area, x, y)) {
             res = true;
             break;
@@ -2159,9 +2161,14 @@ bool mp_input_test_mouse_active(struct input_ctx *ictx, int x, int y)
     return res;
 }
 
+bool mp_input_test_mouse_active(struct input_ctx *ictx, int x, int y)
+{
+    return test_mouse(ictx, x, y, 0);
+}
+
 bool mp_input_test_dragging(struct input_ctx *ictx, int x, int y)
 {
-    return mp_input_test_mouse_active(ictx, x, y);
+    return test_mouse(ictx, x, y, MP_INPUT_ALLOW_VO_DRAGGING);
 }
 
 // builtin: if true, remove all builtin binds, else remove all user binds
diff --git a/mpvcore/input/input.h b/mpvcore/input/input.h
index 022ebb3881..ebdbc76821 100644
--- a/mpvcore/input/input.h
+++ b/mpvcore/input/input.h
@@ -116,6 +116,8 @@ enum mp_input_section_flags {
     // other sections for it (like the default section). Instead, an unbound
     // key warning will be printed.
     MP_INPUT_EXCLUSIVE = 1,
+    // Let mp_input_test_dragging() return true, even if inside the mouse area.
+    MP_INPUT_ALLOW_VO_DRAGGING = 2,
 };
 
 struct input_ctx;