Get application version from git

CMakeLists.txt

@@ -18,6 +18,7 @@ if(NOT CMAKE_BUILD_TYPE)
 endif()
 
 project(Alber)
+set(PANDA3DS_VERSION "0.8")
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 
 if(APPLE)
@@ -60,6 +61,30 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND ENABLE_USER_BUILD)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GS-")
 endif() 
 
+find_package(Git)
+if(GIT_FOUND)
+    execute_process(
+        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} COMMAND ${GIT_EXECUTABLE} describe --tags --abbrev=0
+        OUTPUT_VARIABLE PANDA3DS_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    execute_process(
+        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} COMMAND ${GIT_EXECUTABLE} describe --tags
+        OUTPUT_VARIABLE git_version_tag OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if(NOT PANDA3DS_VERSION STREQUAL git_version_tag)
+      execute_process(
+          WORKING_DIRECTORY ${PROJECT_SOURCE_DIR} COMMAND ${GIT_EXECUTABLE} describe --always --abbrev=7
+          OUTPUT_VARIABLE git_version_rev OUTPUT_STRIP_TRAILING_WHITESPACE
+      )
+      set(PANDA3DS_VERSION "${PANDA3DS_VERSION}.${git_version_rev}")
+      unset(git_version_rev)
+    endif()
+    string(REGEX REPLACE "^v" "" PANDA3DS_VERSION "${PANDA3DS_VERSION}")
+    unset(git_version_tag)
+endif()
+configure_file(${PROJECT_SOURCE_DIR}/include/version.hpp.in ${CMAKE_BINARY_DIR}/include/version.hpp)
+include_directories(${CMAKE_BINARY_DIR}/include/)
+
 add_library(AlberCore STATIC)
 
 include_directories(${PROJECT_SOURCE_DIR}/include/)

include/version.hpp.in

@@ -0,0 +1 @@
+#define PANDA3DS_VERSION "${PANDA3DS_VERSION}"

src/hydra_core.cpp

@@ -1,3 +1,4 @@
+#include <version.hpp>
 #include <emulator.hpp>
 #include <hydra/core.hxx>
 #include <renderer_gl/renderer_gl.hpp>
@@ -150,7 +151,7 @@ HC_API const char* getInfo(hydra::InfoType type) {
 		case hydra::InfoType::SystemName: return "Nintendo 3DS";
 		case hydra::InfoType::Description: return "HLE 3DS emulator. There's a little Alber in your computer and he runs Nintendo 3DS games.";
 		case hydra::InfoType::Author: return "wheremyfoodat (Peach)";
-		case hydra::InfoType::Version: return "0.7";
+		case hydra::InfoType::Version: return PANDA3DS_VERSION;
 		case hydra::InfoType::License: return "GPLv3";
 		case hydra::InfoType::Website: return "https://panda3ds.com/";
 		case hydra::InfoType::Extensions: return "3ds,cci,cxi,app,3dsx,elf,axf";

src/libretro_core.cpp

@@ -4,6 +4,7 @@
 
 #include <libretro.h>
 
+#include <version.hpp>
 #include <emulator.hpp>
 #include <renderer_gl/renderer_gl.hpp>
 
@@ -200,7 +201,7 @@ static void ConfigCheckVariables() {
 void retro_get_system_info(retro_system_info* info) {
 	info->need_fullpath = true;
 	info->valid_extensions = "3ds|3dsx|elf|axf|cci|cxi|app";
-	info->library_version = "0.8";
+	info->library_version = PANDA3DS_VERSION;
 	info->library_name = "Panda3DS";
 	info->block_extract = true;
 }

src/panda_qt/about_window.cpp

@@ -1,4 +1,5 @@
 #include "panda_qt/about_window.hpp"
+#include "version.hpp"
 
 #include <QLabel>
 #include <QTextEdit>
@@ -17,6 +18,8 @@ AboutWindow::AboutWindow(QWidget* parent) : QDialog(parent) {
 		QStringLiteral(R"(
 <p style='font-size:38pt; font-weight:400;'>Panda3DS</p>
 
+<p style='font-size:18pt;'>v%VERSION_STRING%</p>
+
 <p>
 %ABOUT_PANDA3DS%<br>
 <a href='https://panda3ds.com/'>%SUPPORT%</a><br>
@@ -26,6 +29,7 @@ AboutWindow::AboutWindow(QWidget* parent) : QDialog(parent) {
 <a>%AUTHORS%</a>
 </p>
 )")
+			.replace(QStringLiteral("%VERSION_STRING%"), PANDA3DS_VERSION)
 			.replace(QStringLiteral("%ABOUT_PANDA3DS%"), tr("Panda3DS is a free and open source Nintendo 3DS emulator, for Windows, MacOS and Linux"))
 			.replace(QStringLiteral("%SUPPORT%"), tr("Visit panda3ds.com for help with Panda3DS and links to our official support sites."))
 			.replace(

src/panda_qt/main_window.cpp

@@ -7,13 +7,14 @@
 #include <cstdio>
 #include <fstream>
 
+#include "version.hpp"
 #include "cheats.hpp"
 #include "input_mappings.hpp"
 #include "sdl_sensors.hpp"
 #include "services/dsp.hpp"
 
 MainWindow::MainWindow(QApplication* app, QWidget* parent) : QMainWindow(parent), keyboardMappings(InputMappings::defaultKeyboardMappings()) {
-	setWindowTitle("Alber");
+	setWindowTitle("Alber - " PANDA3DS_VERSION);
 	// Enable drop events for loading ROMs
 	setAcceptDrops(true);
 	resize(800, 240 * 4);

src/panda_sdl/frontend_sdl.cpp

@@ -1,4 +1,5 @@
 #include "panda_sdl/frontend_sdl.hpp"
+#include "version.hpp"
 
 #include <glad/gl.h>
 
@@ -32,14 +33,15 @@ FrontendSDL::FrontendSDL() : keyboardMappings(InputMappings::defaultKeyboardMapp
 #ifdef PANDA3DS_ENABLE_OPENGL
 	needOpenGL = needOpenGL || (config.rendererType == RendererType::OpenGL);
 #endif
+	std::string windowTitle = "Alber - " PANDA3DS_VERSION;
 
 	if (needOpenGL) {
 		// Demand 3.3 core for software renderer, or 4.1 core for OpenGL renderer (max available on MacOS)
 		// MacOS gets mad if we don't explicitly demand a core profile
 		SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
 		SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, config.rendererType == RendererType::Software ? 3 : 4);
 		SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, config.rendererType == RendererType::Software ? 3 : 1);
-		window = SDL_CreateWindow("Alber", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
+		window = SDL_CreateWindow(windowTitle, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
 
 		if (window == nullptr) {
 			Helpers::panic("Window creation failed: %s", SDL_GetError());
@@ -59,7 +61,7 @@ FrontendSDL::FrontendSDL() : keyboardMappings(InputMappings::defaultKeyboardMapp
 
 #ifdef PANDA3DS_ENABLE_VULKAN
 	if (config.rendererType == RendererType::Vulkan) {
-		window = SDL_CreateWindow("Alber", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE);
+		window = SDL_CreateWindow(windowTitle, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 400, 480, SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE);
 
 		if (window == nullptr) {
 			Helpers::warn("Window creation failed: %s", SDL_GetError());