decos: groupbar mouse interaction (#3102)

* allow groupbar clicking
	modified:   src/Window.cpp
	modified:   src/Window.hpp
	modified:   src/managers/input/InputManager.cpp
	modified:   src/render/decorations/CHyprGroupBarDecoration.cpp
	modified:   src/render/decorations/CHyprGroupBarDecoration.hpp

* remove setting pos inside insertWindowToGroup()

modified:   src/Window.cpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp

* add group window by index and group size functions
modified:   src/Window.cpp
modified:   src/Window.hpp
modified:   src/managers/input/InputManager.cpp

* allow dragging into groupbar
modified:   src/Window.cpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp

* allow dragging from groupbar
modified:   src/managers/KeybindManager.cpp

* try groupbar clicking before border resize
modified:   src/managers/input/InputManager.cpp

* block grabbing groupbar on floating (crash)

remove later when crashing is fixed

modified:   src/managers/KeybindManager.cpp

* remove redundant { }
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp

* implement getWindowDecorationBox()
modified:   src/Window.cpp
modified:   src/Window.hpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp
modified:   src/managers/input/InputManager.cpp
modified:   src/render/decorations/CHyprDropShadowDecoration.cpp
modified:   src/render/decorations/CHyprGroupBarDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.hpp

* fix crash when moveoutofgroup in floating windows

also removes dragging from floating windows limitation

modified:   src/layout/IHyprLayout.cpp
modified:   src/managers/KeybindManager.cpp

* use CRegion in getWindowDecorationBox()
modified:   src/helpers/Region.cpp
modified:   src/helpers/Region.hpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp
modified:   src/managers/input/InputManager.cpp
modified:   src/render/decorations/IHyprWindowDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.hpp

* add groupbar scrolling
modified:   src/config/ConfigManager.cpp
modified:   src/managers/input/InputManager.cpp

* change name to getWindowDecorationRegion()
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp
modified:   src/managers/input/InputManager.cpp
modified:   src/render/decorations/IHyprWindowDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.hpp

* make dragging from group less hacky for floating
modified:   src/managers/KeybindManager.cpp

src/helpers/Region.cpp

@@ -92,6 +92,15 @@ std::vector<pixman_box32_t> CRegion::getRects() const {
     return result;
 }
 
+wlr_box CRegion::getExtents() {
+    pixman_box32_t* box = pixman_region32_extents(&m_rRegion);
+    return {box->x1, box->y1, box->x2 - box->x1, box->y2 - box->y1};
+}
+
+bool CRegion::containsPoint(const Vector2D& vec) {
+    return pixman_region32_contains_point(&m_rRegion, vec.x, vec.y, nullptr);
+}
+
 bool CRegion::empty() {
     return !pixman_region32_not_empty(&m_rRegion);
 }