[win] Use WinTab/tablet pressure only for certain windows (#3358)

Windows that need tablet information are the MainWindow, DynamicsPopup,
and scripts Dialog.

laf

@@ -1 +1 @@
-Subproject commit 631bc339fa7a4b5adb9c4caee5b07dac18f2219a
+Subproject commit 7af127f4785ac0fb0e50fa32e68e572719477f2a

src/app/script/dialog_class.cpp

@@ -66,6 +66,8 @@ public:
     : WindowWithHand(type, text)
     , m_handTool(false)
   {
+    // As scripts can receive the "pressure" information.
+    setNeedsTabletPressure(true);
   }
 
   // Enables the Hand tool in the active editor.

src/app/ui/dynamics_popup.cpp

@@ -222,6 +222,8 @@ DynamicsPopup::DynamicsPopup(Delegate* delegate)
   , m_ditheringSel(new DitheringSelector(DitheringSelector::SelectMatrix))
   , m_fromTo(tools::ColorFromTo::BgToFg)
 {
+  setNeedsTabletPressure(true);
+
   m_dynamics->stabilizer()->Click.connect(
     [this](){
       if (m_dynamics->stabilizer()->isSelected()) {

src/app/ui/main_window.cpp

@@ -95,6 +95,7 @@ MainWindow::MainWindow()
 #endif
 {
   enableFlags(ALLOW_DROP);
+  setNeedsTabletPressure(true);
 }
 
 // This 'initialize' function is a way to split the creation of the

src/ui/manager.cpp

@@ -1394,6 +1394,11 @@ void Manager::_openWindow(Window* window, bool center)
         spec.parent(parentDisplay->nativeWindow());
       }
 
+#if LAF_WINDOWS
+      // Just in case we'll try to avoid using WinTab at all costs.
+      spec.useTabletOptions(window->needsTabletPressure());
+#endif
+
       os::WindowRef newNativeWindow = os::System::instance()->makeWindow(spec);
       ui::Display* newDisplay = new ui::Display(parentDisplay, newNativeWindow, window);
 

src/ui/window.cpp

@@ -122,6 +122,8 @@ Window::Window(Type type, const std::string& text)
   , m_isWantFocus(true)
   , m_isForeground(false)
   , m_isAutoRemap(true)
+  , m_isResizing(false)
+  , m_needsTabletPressure(false)
 {
   setVisible(false);
   setAlign(LEFT | MIDDLE);

src/ui/window.h

@@ -1,5 +1,5 @@
 // Aseprite UI Library
-// Copyright (C) 2019-2023  Igara Studio S.A.
+// Copyright (C) 2019-2024  Igara Studio S.A.
 // Copyright (C) 2001-2017  David Capello
 //
 // This file is released under the terms of the MIT license.
@@ -66,6 +66,13 @@ namespace ui {
     bool isSizeable() const { return m_isSizeable; }
     bool isMoveable() const { return m_isMoveable; }
 
+    // Use to inhibit buggy WinTab implementations that might crash
+    // the whole program just calling WTOpen(). This must be called
+    // before creating the native window (before
+    // Manager::_openWindow()).
+    void setNeedsTabletPressure(const bool s) { m_needsTabletPressure = s; }
+    bool needsTabletPressure() const { return m_needsTabletPressure; }
+
     // Returns true only inside onWindowResize() when the window size
     // changed.
     bool isResizing() const { return m_isResizing; }
@@ -136,6 +143,7 @@ namespace ui {
     bool m_isForeground : 1;
     bool m_isAutoRemap : 1;
     bool m_isResizing : 1;
+    bool m_needsTabletPressure : 1;
     int m_hitTest;
     gfx::Rect m_lastFrame;
   };