IME/TI: Fixes and refactoring

Fixes #5189

src/managers/input/TextInput.hpp

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "../../helpers/WLListener.hpp"
+#include "../../macros.hpp"
+#include "../../helpers/Box.hpp"
+
+struct wlr_text_input_v3;
+struct wlr_surface;
+struct wl_client;
+
+struct STextInputV1;
+
+class CTextInput {
+  public:
+    CTextInput(STextInputV1* ti);
+    CTextInput(wlr_text_input_v3* ti);
+    ~CTextInput();
+
+    bool         isV3();
+    void         enter(wlr_surface* pSurface);
+    void         leave();
+    void         tiV1Destroyed();
+    wl_client*   client();
+    void         commitStateToIME(wlr_input_method_v2* ime);
+    void         updateIMEState(wlr_input_method_v2* ime);
+
+    void         onEnabled(wlr_surface* surfV1 = nullptr);
+    void         onDisabled();
+    void         onCommit();
+
+    bool         hasCursorRectangle();
+    CBox         cursorBox();
+
+    wlr_surface* focusedSurface();
+
+  private:
+    void               setFocusedSurface(wlr_surface* pSurface);
+    void               initCallbacks();
+
+    wlr_surface*       pFocusedSurface = nullptr;
+    int                enterLocks      = 0;
+    wlr_text_input_v3* pWlrInput       = nullptr;
+    STextInputV1*      pV1Input        = nullptr;
+
+    DYNLISTENER(textInputEnable);
+    DYNLISTENER(textInputDisable);
+    DYNLISTENER(textInputCommit);
+    DYNLISTENER(textInputDestroy);
+    DYNLISTENER(surfaceUnmapped);
+    DYNLISTENER(surfaceDestroyed);
+};