replace SelectionHook with layout render hints

CMakeLists.txt

@@ -19,7 +19,6 @@ add_library(hy3 SHARED
 	src/Hy3Layout.cpp
 	src/Hy3Node.cpp
 	src/TabGroup.cpp
-	src/SelectionHook.cpp
 	src/shaders.cpp
 	src/render.cpp
 )

src/Hy3Layout.cpp

@@ -20,7 +20,6 @@
 
 #include "Hy3Layout.hpp"
 #include "Hy3Node.hpp"
-#include "SelectionHook.hpp"
 #include "TabGroup.hpp"
 #include "globals.hpp"
 #include "src/SharedDefs.hpp"
@@ -585,7 +584,17 @@ std::any Hy3Layout::layoutMessage(SLayoutMessageHeader header, std::string conte
 	return "";
 }
 
-SWindowRenderLayoutHints Hy3Layout::requestRenderHints(PHLWINDOW window) { return {}; }
+SWindowRenderLayoutHints Hy3Layout::requestRenderHints(PHLWINDOW window) {
+	if (this->shouldRenderSelected(window.get())) {
+    static auto active_color = CConfigValue<Hyprlang::CUSTOMTYPE>("general:col.active_border");
+		return {
+			.isBorderGradient = true,
+			.borderGradient = static_cast<CGradientValueData*>((active_color.ptr())->getData()),
+		};
+	}
+
+	return {};
+}
 
 void Hy3Layout::switchWindows(PHLWINDOW pWindowA, PHLWINDOW pWindowB) {
 	// todo
@@ -692,8 +701,6 @@ void Hy3Layout::onEnable() {
 
 	mouseButtonPtr =
 	    HyprlandAPI::registerCallbackDynamic(PHANDLE, "mouseButton", &Hy3Layout::mouseButtonHook);
-
-	selection_hook::enable();
 }
 
 void Hy3Layout::onDisable() {
@@ -702,7 +709,6 @@ void Hy3Layout::onDisable() {
 	urgentHookPtr.reset();
 	tickHookPtr.reset();
 	mouseButtonPtr.reset();
-	selection_hook::disable();
 
 	for (auto& node: this->nodes) {
 		if (node.data.is_window()) {

src/SelectionHook.cpp

@@ -1,71 +0,0 @@
-#include <hyprland/src/Compositor.hpp>
-#include <hyprland/src/plugins/PluginAPI.hpp>
-
-#include "globals.hpp"
-
-namespace selection_hook {
-inline CFunctionHook* g_LastSelectionHook = nullptr;
-
-void hook_updateDecos(void* thisptr) {
-	auto* window = static_cast<CWindow*>(thisptr);
-	bool explicitly_selected = g_Hy3Layout->shouldRenderSelected(window);
-
-	auto lastWindow = g_pCompositor->m_lastWindow;
-	if (explicitly_selected) {
-		g_pCompositor->m_lastWindow = window->m_self;
-	}
-
-	((void (*)(void*)) g_LastSelectionHook->m_original)(thisptr);
-
-	if (explicitly_selected) {
-		g_pCompositor->m_lastWindow = lastWindow;
-	}
-}
-
-void init() {
-	static const auto decoUpdateCandidates =
-	    HyprlandAPI::findFunctionsByName(PHANDLE, "updateDecorationValues");
-
-	if (decoUpdateCandidates.size() != 1) {
-		g_LastSelectionHook = nullptr;
-
-		hy3_log(
-		    ERR,
-		    "expected one matching function to hook for"
-		    "\"updateDecorationValues\", found {}",
-		    decoUpdateCandidates.size()
-		);
-
-		HyprlandAPI::addNotificationV2(
-		    PHANDLE,
-		    {
-		        {"text",
-		         "Failed to load function hooks: "
-		         "\"updateDecorationValues\""},
-		        {"time", (uint64_t) 10000},
-		        {"color", CHyprColor(1.0, 0.0, 0.0, 1.0)},
-		        {"icon", ICON_ERROR},
-		    }
-		);
-		return;
-	}
-
-	g_LastSelectionHook = HyprlandAPI::createFunctionHook(
-	    PHANDLE,
-	    decoUpdateCandidates[0].address,
-	    (void*) &hook_updateDecos
-	);
-}
-
-void enable() {
-	if (g_LastSelectionHook != nullptr) {
-		g_LastSelectionHook->hook();
-	}
-}
-
-void disable() {
-	if (g_LastSelectionHook != nullptr) {
-		g_LastSelectionHook->unhook();
-	}
-}
-} // namespace selection_hook

src/SelectionHook.hpp

@@ -1,7 +0,0 @@
-#pragma once
-
-namespace selection_hook {
-void init();
-void enable();
-void disable();
-} // namespace selection_hook

src/main.cpp

@@ -4,7 +4,6 @@
 #include <hyprland/src/version.h>
 #include <hyprlang.hpp>
 
-#include "SelectionHook.hpp"
 #include "dispatchers.hpp"
 #include "globals.hpp"
 
@@ -29,8 +28,6 @@ APICALL EXPORT PLUGIN_DESCRIPTION_INFO PLUGIN_INIT(HANDLE handle) {
 	}
 #endif
 
-	selection_hook::init();
-
 #define CONF(NAME, TYPE, VALUE)                                                                    \
 	HyprlandAPI::addConfigValue(PHANDLE, "plugin:hy3:" NAME, Hyprlang::CConfigValue((TYPE) VALUE))