all: refactor windows code out of core

There are still some links from core to window but its now separate
enough to fix PanelWindow in qml tooling.

src/build/CMakeLists.txt

@@ -0,0 +1,26 @@
+add_library(quickshell-build INTERFACE)
+
+if (NOT DEFINED GIT_REVISION)
+	execute_process(
+		COMMAND git rev-parse HEAD
+		WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+		OUTPUT_VARIABLE GIT_REVISION
+		OUTPUT_STRIP_TRAILING_WHITESPACE
+	)
+endif()
+
+if (CRASH_REPORTER)
+	set(CRASH_REPORTER_DEF 1)
+else()
+	set(CRASH_REPORTER_DEF 0)
+endif()
+
+if (DISTRIBUTOR_DEBUGINFO_AVAILABLE)
+	set(DEBUGINFO_AVAILABLE 1)
+else()
+	set(DEBUGINFO_AVAILABLE 0)
+endif()
+
+configure_file(build.hpp.in build.hpp @ONLY ESCAPE_QUOTES)
+
+target_include_directories(quickshell-build INTERFACE ${CMAKE_CURRENT_BINARY_DIR})

src/build/build.hpp.in

@@ -0,0 +1,12 @@
+#pragma once
+
+// NOLINTBEGIN
+#define GIT_REVISION "@GIT_REVISION@"
+#define DISTRIBUTOR "@DISTRIBUTOR@"
+#define DISTRIBUTOR_DEBUGINFO_AVAILABLE @DEBUGINFO_AVAILABLE@
+#define CRASH_REPORTER @CRASH_REPORTER_DEF@
+#define BUILD_TYPE "@CMAKE_BUILD_TYPE@"
+#define COMPILER "@CMAKE_CXX_COMPILER_ID@ (@CMAKE_CXX_COMPILER_VERSION@)"
+#define COMPILE_FLAGS "@CMAKE_CXX_FLAGS@"
+#define BUILD_CONFIGURATION "@QS_BUILD_OPTIONS@"
+// NOLINTEND