LibGUI+AK: Add DRAG_DEBUG opt and put drag operations behind dbgln_if

No need to have this enabled all the time.

AK/Debug.h.in

@@ -102,6 +102,10 @@
 #cmakedefine01 DOUBLECLICK_DEBUG
 #endif
 
+#ifndef DRAG_DEBUG
+#cmakedefine01 DRAG_DEBUG
+#endif
+
 #ifndef DWARF_DEBUG
 #cmakedefine01 DWARF_DEBUG
 #endif

Meta/CMake/all_the_debug_macros.cmake

@@ -35,6 +35,7 @@ set(DHCPV4_DEBUG ON)
 set(DIFF_DEBUG ON)
 set(DISASM_DUMP_DEBUG ON)
 set(DOUBLECLICK_DEBUG ON)
+set(DRAG_DEBUG ON)
 set(DWARF_DEBUG ON)
 set(DYNAMIC_LOAD_DEBUG ON)
 set(E1000_DEBUG ON)

Userland/Libraries/LibGUI/AbstractView.cpp

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/Debug.h>
 #include <AK/StringBuilder.h>
 #include <AK/Utf8View.h>
 #include <AK/Vector.h>
@@ -307,7 +308,7 @@ void AbstractView::mousemove_event(MouseEvent& event)
     // Prevent this by just ignoring later drag initiations (until the current drag operation ends).
     TemporaryChange dragging { m_is_dragging, true };
 
-    dbgln("Initiate drag!");
+    dbgln_if(DRAG_DEBUG, "Initiate drag!");
     auto drag_operation = DragOperation::construct();
 
     drag_operation->set_mime_data(m_model->mime_data(m_selection));
@@ -316,10 +317,10 @@ void AbstractView::mousemove_event(MouseEvent& event)
 
     switch (outcome) {
     case DragOperation::Outcome::Accepted:
-        dbgln("Drag was accepted!");
+        dbgln_if(DRAG_DEBUG, "Drag was accepted!");
         break;
     case DragOperation::Outcome::Cancelled:
-        dbgln("Drag was cancelled!");
+        dbgln_if(DRAG_DEBUG, "Drag was cancelled!");
         m_might_drag = false;
         break;
     default:
@@ -754,7 +755,7 @@ void AbstractView::drag_enter_event(DragEvent& event)
     //       We might be able to reduce event traffic by communicating the set of drag-accepting
     //       rects in this widget to the windowing system somehow.
     event.accept();
-    dbgln("accepting drag of {}", event.mime_types().first());
+    dbgln_if(DRAG_DEBUG, "accepting drag of {}", event.mime_types().first());
 }
 
 void AbstractView::drag_move_event(DragEvent& event)

Userland/Libraries/LibGUI/Widget.cpp

@@ -5,6 +5,7 @@
  */
 
 #include <AK/Assertions.h>
+#include <AK/Debug.h>
 #include <AK/JsonObject.h>
 #include <LibGUI/Action.h>
 #include <LibGUI/Application.h>
@@ -553,17 +554,17 @@ void Widget::drag_enter_event(DragEvent& event)
 {
     StringBuilder builder;
     builder.join(',', event.mime_types());
-    dbgln("{} {:p} DRAG ENTER @ {}, {}", class_name(), this, event.position(), builder.string_view());
+    dbgln_if(DRAG_DEBUG, "{} {:p} DRAG ENTER @ {}, {}", class_name(), this, event.position(), builder.string_view());
 }
 
 void Widget::drag_leave_event(Event&)
 {
-    dbgln("{} {:p} DRAG LEAVE", class_name(), this);
+    dbgln_if(DRAG_DEBUG, "{} {:p} DRAG LEAVE", class_name(), this);
 }
 
 void Widget::drop_event(DropEvent& event)
 {
-    dbgln("{} {:p} DROP @ {}, '{}'", class_name(), this, event.position(), event.text());
+    dbgln_if(DRAG_DEBUG, "{} {:p} DROP @ {}, '{}'", class_name(), this, event.position(), event.text());
     event.ignore();
 }