From 85b89bc389d7d7b2d3c1700fae851213dcdbad02 Mon Sep 17 00:00:00 2001
From: Virt <41426325+VirtCode@users.noreply.github.com>
Date: Fri, 21 Jun 2024 13:40:57 +0200
Subject: [PATCH] chore: basic plugin project setup

---
 .gitignore      |  3 +++
 Makefile        | 18 ++++++++++++++++++
 src/globals.hpp |  5 +++++
 src/main.cpp    | 41 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 67 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 create mode 100644 src/globals.hpp
 create mode 100644 src/main.cpp

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..64afe5a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+compile_commands.json
+out
+.cache
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..1eb1391
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,18 @@
+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
diff --git a/src/globals.hpp b/src/globals.hpp
new file mode 100644
index 0000000..66c4f04
--- /dev/null
+++ b/src/globals.hpp
@@ -0,0 +1,5 @@
+#pragma once
+
+#include <hyprland/src/plugins/PluginAPI.hpp>
+
+inline HANDLE PHANDLE = nullptr;
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..733a93f
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,41 @@
+#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;
+}