Add auto detect java installation support.

app.py

@@ -1,11 +1,15 @@
 import logging
 from pathlib import Path
 
-from PySide6.QtWidgets import QApplication, QMainWindow
+from PySide6.QtGui import QIcon, Qt, QImage, QPixmap
+from PySide6.QtWidgets import QApplication, QMainWindow, QLabel, QVBoxLayout, QWidget
 
 from core_lib.qt.hack import move_window_to_center
 from dialog.test import TestDialog
 
+LAUNCHER_VERSION = "alpha_0.0.1"
+MAIN_REPO_URL = "https://repo.weispace.net/wei/Launcher/"
+
 class Launcher(QApplication):
     def __init__(self):
         super().__init__()
@@ -24,11 +28,69 @@ class Launcher(QApplication):
 
         # test page
         self.test_dialog = TestDialog(self, self.main_window)
-        self.test_dialog.show()
 
+        # Set icon
+        if self.icon_path.exists():
+            self.setWindowIcon(QIcon(self.icon_path.as_posix()))
+        else:
+            self.logger.error("No icon found.")
+
+        self.central = QWidget()
+
+        # center message (will be deleted if launcher finished development)
+        content = """Still digging!"""
+        message = "If you found that something might be a issue. You can report it to the main repo! Any suggestion are welcome."
+        self.icon_label = QLabel()
+        self.icon_label.setObjectName("icon_label")
+        self.dev_info_box = QLabel(content)
+        self.dev_info_box.setObjectName("dev_info_box")
+        self.dev_info_2 = QLabel(message)
+        self.dev_info_2.setObjectName("dev_info_message")
+        self.version_label = QLabel("Current version: {}".format(self.launcher_version))
+        self.version_label.setObjectName("version_label")
+        self.repo_url_label = QLabel(f"<a href=\"{MAIN_REPO_URL}\">Main repo</a>")
+        self.repo_url_label.setObjectName("repo_url_label")
+        self.repo_url_label.setOpenExternalLinks(True)
+        self.main_layout = QVBoxLayout(self.central)
+
+        if Path(self.resources_dir, "pictures", "in_progress.png").exists():
+            image = QPixmap(Path(self.resources_dir, "pictures", "in_progress.png"))
+            self.icon_label.setPixmap(image.scaled(300, 300))
+        else:
+            self.icon_label.setText("Ouch. The icon is missing.")
+
+        self.main_layout.addStretch()
+        self.main_layout.addWidget(self.icon_label, alignment=Qt.AlignmentFlag.AlignCenter)
+        self.main_layout.addWidget(self.dev_info_box, alignment=Qt.AlignmentFlag.AlignHCenter)
+        self.main_layout.addWidget(self.dev_info_2, alignment=Qt.AlignmentFlag.AlignHCenter)
+        self.main_layout.addWidget(self.version_label, alignment=Qt.AlignmentFlag.AlignHCenter)
+        self.main_layout.addWidget(self.repo_url_label, alignment=Qt.AlignmentFlag.AlignHCenter)
+        self.main_layout.addStretch()
+
+        self.main_window.setCentralWidget(self.central)
+
+        self.setStyleSheet("""
+        QLabel#dev_info_box {
+            font-size: 20pt;
+            font-weight: bold;
+        }
+        
+        QLabel#dev_info_message {
+            font-size: 10pt;
+        }
+        
+        QLabel#version_label, QLabel#version_label {
+            font-weight: bold; 
+        }
+        
+        QLabel#icon_label {
+            border-radius: 20px; 
+        }
+        """)
 
     def exec(self):
         self.main_window.show()
+        self.test_dialog.show()
         self.exec_()
 
     @property
@@ -45,4 +107,16 @@ class Launcher(QApplication):
 
     @property
     def log_dir(self):
-        return self.work_dir / "log"
+        return self.work_dir / "log"
+
+    @property
+    def resources_dir(self):
+        return self.program_dir / "resources"
+
+    @property
+    def icon_path(self):
+        return self.resources_dir / "icons" / "icon.png"
+
+    @property
+    def launcher_version(self):
+        return LAUNCHER_VERSION