chore: basic plugin project setup

.gitignore

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+compile_commands.json
+out
+.cache

Makefile

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+PLUGIN_NAME=dynamic-cursors
+SOURCE_FILES=$(wildcard ./src/*.cpp)
+
+all: $(PLUGIN_NAME).so
+
+$(PLUGIN_NAME).so: $(SOURCE_FILES)
+	mkdir -p out
+	g++ -shared -Wall -fPIC $(SOURCE_FILES) -g  -DWLR_USE_UNSTABLE `pkg-config --cflags pixman-1 libdrm hyprland` -std=c++23 -o out/$(PLUGIN_NAME).so
+
+clean:
+	rm -f out/$(PLUGIN_NAME).so
+	rm -f compile_commands.json
+
+load: all unload
+	hyprctl plugin load ${PWD}/out/$(PLUGIN_NAME).so
+
+unload:
+	hyprctl plugin unload ${PWD}/out/$(PLUGIN_NAME).so

src/globals.hpp

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+#pragma once
+
+#include <hyprland/src/plugins/PluginAPI.hpp>
+
+inline HANDLE PHANDLE = nullptr;

src/main.cpp

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+#include <hyprland/src/helpers/memory/Memory.hpp>
+#include <hyprland/src/plugins/HookSystem.hpp>
+#include <hyprland/src/plugins/PluginAPI.hpp>
+#include <hyprland/src/helpers/Monitor.hpp>
+#include <unistd.h>
+
+#include "globals.hpp"
+
+typedef void (*origRenderSofwareCursorsFor)(void*, SP<CMonitor>, timespec*, CRegion&, std::optional<Vector2D>);
+inline CFunctionHook* g_pRenderSoftwareCursorsForHook = nullptr;
+
+void hkRenderSoftwareCursorsFor(void* thisptr, SP<CMonitor> pMonitor, timespec* now, CRegion& damage, std::optional<Vector2D> overridePos) {
+    //(*(origRenderSofwareCursorsFor)g_pRenderSoftwareCursorsForHook->m_pOriginal)(thisptr, pMonitor, now, damage, overridePos);
+}
+
+APICALL EXPORT PLUGIN_DESCRIPTION_INFO PLUGIN_INIT(HANDLE handle) {
+    PHANDLE = handle;
+
+    const std::string HASH = __hyprland_api_get_hash();
+
+    // check that header version aligns with running version
+    if (HASH != GIT_COMMIT_HASH) {
+        HyprlandAPI::addNotification(PHANDLE, "[dynamic-cursors] Mismatched headers! Can't proceed.", CColor{1.0, 0.2, 0.2, 1.0}, 5000);
+        throw std::runtime_error("[dynamic-cursors] Version mismatch");
+    }
+
+    static const auto METHODS = HyprlandAPI::findFunctionsByName(PHANDLE, "renderSoftwareCursorsFor");
+    g_pRenderSoftwareCursorsForHook = HyprlandAPI::createFunctionHook(PHANDLE, METHODS[0].address, (void*) &hkRenderSoftwareCursorsFor);
+    g_pRenderSoftwareCursorsForHook->hook();
+
+    return {"dynamic-cursors", "The most stupid cursor plugin.", "Virt", "1.1"};
+}
+
+APICALL EXPORT void PLUGIN_EXIT() {
+    // ...
+}
+
+// Do NOT change this function.
+APICALL EXPORT std::string PLUGIN_API_VERSION() {
+    return HYPRLAND_API_VERSION;
+}