Fix program not fitting on low resolution screens

Lowest vertical screen size that I could test and made sure fit is 768 pixels on a field laptop.

Closes #180 (closed)

sohstationviewer/main.py

@@ -6,6 +6,7 @@ import traceback
 from pathlib import Path
 
 from PySide2 import QtWidgets
+from PySide2.QtGui import QGuiApplication
 from PySide2.QtWidgets import QMessageBox
 
 from sohstationviewer.view.main_window import MainWindow
@@ -14,7 +15,6 @@ from sohstationviewer.conf.config_processor import (
     BadConfigError,
 )
 
-
 # Enable Layer-backing for MacOs version >= 11
 # Only needed if using the pyside2 library with version>=5.15.
 # Layer-backing is always enabled in pyside6.
@@ -26,47 +26,91 @@ if os_name == 'macOS':
     os.environ['QT_MAC_WANTS_LAYER'] = '1'
 
 
-def main():
-    # Change the working directory so that relative paths work correctly.
+def fix_relative_paths() -> None:
+    """
+    Change the working directory so that the relative paths in the code work
+    correctly.
+    """
     current_file_path = os.path.abspath(__file__)
     current_file_dir = Path(current_file_path).parent
     os.chdir(current_file_dir)
 
+
+def resize_windows(main_window: MainWindow):
+    """
+    Resize the plotting windows in the program so that they fit well on all
+    screen resolutions.
+    """
+    screen_size = QtWidgets.QApplication.primaryScreen().size().toTuple()
+    screen_width, screen_height = screen_size
+    main_window.resize(screen_width * 1, screen_height * 1)
+    main_window.waveform_dlg.resize(screen_width * (2 / 3),
+                                    screen_height * (2 / 3))
+    main_window.tps_dlg.resize(screen_width * (2 / 3), screen_height * (2 / 3))
+
+    main_right_x = (main_window.x() + main_window.frameSize().width())
+    # This offset is based on the hard-coded geometry previously assigned to
+    # the waveform and TPS dialogs
+    wf_tps_x_offset = 50
+    # We are moving the TPS dialog so that it is slightly offset from the right
+    # edge of the main window
+    tps_dlg_x = main_right_x - main_window.tps_dlg.width() - wf_tps_x_offset
+    wf_tps_y = 50
+    main_window.waveform_dlg.move(wf_tps_x_offset, wf_tps_y)
+    main_window.tps_dlg.move(tps_dlg_x, wf_tps_y)
+
+    gps_dlg_y = main_window.height() / 5
+    main_window.gps_dialog.move(main_window.gps_dialog.y(), gps_dlg_y)
+
+
+def check_if_user_want_to_reset_config() -> bool:
+    """
+    Show a dialog asking the user if they want to reset the config.
+    :return: whether the user wants to reset the config.
+    """
+    bad_config_dialog = QMessageBox()
+    bad_config_dialog.setText('Something went wrong when reading the '
+                              'config.')
+    bad_config_dialog.setDetailedText(traceback.format_exc())
+    bad_config_dialog.setInformativeText('Do you want to reset the config '
+                                         'file?')
+    bad_config_dialog.setStandardButtons(QMessageBox.Ok |
+                                         QMessageBox.Close)
+    bad_config_dialog.setDefaultButton(QMessageBox.Ok)
+    bad_config_dialog.setIcon(QMessageBox.Critical)
+    reset_choice = bad_config_dialog.exec_()
+    return reset_choice == QMessageBox.Ok
+
+
+def main():
+    # Change the working directory so that relative paths work correctly.
+    fix_relative_paths()
+
     app = QtWidgets.QApplication(sys.argv)
     wnd = MainWindow()
+
     config = ConfigProcessor()
     config.load_config()
-    need_reset = False
+    do_reset = None
     try:
         config.validate_config()
         config.apply_config(wnd)
     except (BadConfigError, ValueError) as e:
-        bad_config_dialog = QMessageBox()
-        bad_config_dialog.setText('Something went wrong when reading the '
-                                  'config.')
-        bad_config_dialog.setDetailedText(traceback.format_exc())
-        bad_config_dialog.setInformativeText('Do you want to reset the config '
-                                             'file?')
-        bad_config_dialog.setStandardButtons(QMessageBox.Ok |
-                                             QMessageBox.Close)
-        bad_config_dialog.setDefaultButton(QMessageBox.Ok)
-        bad_config_dialog.setIcon(QMessageBox.Critical)
-        reset_choice = bad_config_dialog.exec_()
-        if reset_choice == QMessageBox.Ok:
-            need_reset = True
-        else:
-            sys.exit(1)
-    if need_reset:
+        do_reset = check_if_user_want_to_reset_config()
+    if do_reset:
         try:
             config.reset()
         except OSError:
             QMessageBox.critical(None, 'Cannot reset config',
-                                 'Config file cannot be reset.  Please '
-                                 'ensure that it is not opened in another '
-                                 'program.',
+                                 'Config file cannot be reset.  Please ensure '
+                                 'that it is not opened in another program.',
                                  QMessageBox.Close)
             sys.exit(1)
+    elif do_reset is not None:
+        sys.exit(1)
     config.apply_config(wnd)
+
+    resize_windows(wnd)
     wnd.show()
     sys.exit(app.exec_())