From b90f9bd31275f03808332ed63c9a955ebc4f42af Mon Sep 17 00:00:00 2001
From: camierjs <camierjs@gmail.com>
Date: Fri, 30 Jan 2026 10:30:25 -0800
Subject: [PATCH 1/2] Enable q/Q key mode

---
 lib/aux_vis.cpp  | 3 ++-
 lib/aux_vis.hpp  | 2 +-
 lib/glwindow.hpp | 7 +++++--
 lib/window.cpp   | 6 ++++++
 lib/window.hpp   | 4 ++++
 5 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/lib/aux_vis.cpp b/lib/aux_vis.cpp
index 8c886ade..6e597a6f 100644
--- a/lib/aux_vis.cpp
+++ b/lib/aux_vis.cpp
@@ -1356,8 +1356,9 @@ void KeyCtrlP()
 #endif
 }
 
-void KeyQPressed()
+void KeyQPressed(SDL_Keymod state)
 {
+   if (state & KMOD_SHIFT) { return Window::SwitchSolution(); }
    wnd->signalQuit();
    visualize = 0;
 }
diff --git a/lib/aux_vis.hpp b/lib/aux_vis.hpp
index 98f48cb0..eb68471e 100644
--- a/lib/aux_vis.hpp
+++ b/lib/aux_vis.hpp
@@ -68,7 +68,7 @@ void TouchPinch(SDL_MultiGestureEvent & e);
 
 void KeyCtrlP();
 void KeyS();
-void KeyQPressed();
+void KeyQPressed(SDL_Keymod);
 void ToggleThreads();
 void ThreadsPauseFunc(SDL_Keymod);
 void ThreadsStop();
diff --git a/lib/glwindow.hpp b/lib/glwindow.hpp
index b0da9d50..8110c657 100644
--- a/lib/glwindow.hpp
+++ b/lib/glwindow.hpp
@@ -95,11 +95,14 @@ class GLWindow
    void setOnIdle(IdleDelegate func) { onIdle = func; }
    void setOnExpose(Delegate func) { onExpose = func; }
 
-   void setOnKeyDown(SDL_Keycode key, Delegate func)
+   void setOnKeyDown(SDL_Keycode key, KeyDelegate func)
    {
+      onKeyDown[key] = [func](SDL_Keymod) { func(SDL_GetModState()); };
+   }
+
+   void setOnKeyDown(SDL_Keycode key, Delegate func) { 
       onKeyDown[key] = [func](SDL_Keymod) { func(); };
    }
-   void setOnKeyDown(SDL_Keycode key, KeyDelegate func) { onKeyDown[key] = func; }
 
    void setOnMouseDown(SDL_Mousebutton btn, MouseDelegate func) { onMouseDown[btn] = func; }
    void setOnMouseUp(SDL_Mousebutton btn, MouseDelegate func) { onMouseUp[btn] = func; }
diff --git a/lib/window.cpp b/lib/window.cpp
index 3b850b15..cf30d1c4 100644
--- a/lib/window.cpp
+++ b/lib/window.cpp
@@ -270,3 +270,9 @@ void Window::SwitchQuadSolution()
    locwin->SwitchQuadSolution((DataState::QuadSolution)iqs);
    SendExposeEvent();
 }
+
+void Window::SwitchSolution()
+{
+   if (locwin->data_state.cgrid_f) { SwitchComplexSolution(); }
+   if (locwin->data_state.quad_f) { SwitchQuadSolution(); }
+}
\ No newline at end of file
diff --git a/lib/window.hpp b/lib/window.hpp
index 9e81cc06..feb2a7f9 100644
--- a/lib/window.hpp
+++ b/lib/window.hpp
@@ -93,6 +93,10 @@ struct Window
    /// @note: Use with caution when the update is compatible
    /// @see SetNewMeshAndSolution()
    void ResetMeshAndSolution(DataState &ss);
+
+public:
+   /// Switch the function representation for key handlers
+   static void SwitchSolution();
 };
 
 #endif // GLVIS_WINDOW_HPP

From e7967e493e0a84e7db314cbb61c0068be5b9275d Mon Sep 17 00:00:00 2001
From: camierjs <camierjs@gmail.com>
Date: Fri, 30 Jan 2026 10:31:25 -0800
Subject: [PATCH 2/2] Style and EOF

---
 lib/glwindow.hpp | 3 ++-
 lib/window.cpp   | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/glwindow.hpp b/lib/glwindow.hpp
index 8110c657..c9abd6ff 100644
--- a/lib/glwindow.hpp
+++ b/lib/glwindow.hpp
@@ -100,7 +100,8 @@ class GLWindow
       onKeyDown[key] = [func](SDL_Keymod) { func(SDL_GetModState()); };
    }
 
-   void setOnKeyDown(SDL_Keycode key, Delegate func) { 
+   void setOnKeyDown(SDL_Keycode key, Delegate func)
+   {
       onKeyDown[key] = [func](SDL_Keymod) { func(); };
    }
 
diff --git a/lib/window.cpp b/lib/window.cpp
index cf30d1c4..b2e42132 100644
--- a/lib/window.cpp
+++ b/lib/window.cpp
@@ -275,4 +275,4 @@ void Window::SwitchSolution()
 {
    if (locwin->data_state.cgrid_f) { SwitchComplexSolution(); }
    if (locwin->data_state.quad_f) { SwitchQuadSolution(); }
-}
\ No newline at end of file
+}