PR: Use user configs to set main window state and geometry

gwhat/config/gui.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+# -----------------------------------------------------------------------------
+# Copyright © 2014-2018 GWHAT Project Contributors
+# https://github.com/jnsebgosselin/gwhat
+#
+# This file is part of GWHAT (Ground-Water Hydrograph Analysis Toolbox).
+# Licensed under the terms of the GNU General Public License.
+# -----------------------------------------------------------------------------
+
+
+ICON_COLOR = '#202020'
+GREEN = '#00aa00'
+RED = '#CC0000'
+YELLOW = '#ffa500'
+YELLOWLIGHT = '#fcf7b6'
+
+INIT_MAINWINDOW_SIZE = (1260, 740)

gwhat/mainwindow.py

@@ -60,6 +60,8 @@
 from gwhat.projet.manager_data import DataManager
 from gwhat.common import StyleDB
 from gwhat.utils import icons
+from gwhat.utils.qthelpers import (
+    qbytearray_to_hexstate, hexstate_to_qbytearray)
 
 freeze_support()
 
@@ -91,7 +93,8 @@ def __init__(self, parent=None):
         # Generate the GUI.
         self.__initUI__()
         splash.finish(self)
-        self.showMaximized()
+        self._restore_window_geometry()
+        self._restore_window_state()
 
         # Load the last opened project.
         projectfile = get_path_from_configs('main', 'last_project_filepath')
@@ -149,22 +152,21 @@ def __initUI__(self):
         self.sync_datamanagers()
 
         # Setup the splitter widget.
-        splitter = QSplitter(Qt.Vertical, parent=self)
-        splitter.addWidget(self.tab_widget)
-        splitter.addWidget(self.main_console)
+        self._splitter = QSplitter(Qt.Vertical, parent=self)
+        self._splitter.addWidget(self.tab_widget)
+        self._splitter.addWidget(self.main_console)
 
-        splitter.setCollapsible(0, True)
-        splitter.setStretchFactor(0, 100)
-        # Forces initially the main_console to its minimal height:
-        splitter.setSizes([100, 1])
+        self._splitter.setCollapsible(0, True)
+        self._splitter.setStretchFactor(0, 100)
+        # Force initially the main_console to its minimal height.
+        self._splitter.setSizes([100, 1])
 
         # Setup the layout of the main widget.
         main_widget = QWidget()
         self.setCentralWidget(main_widget)
 
         mainGrid = QGridLayout(main_widget)
-
-        mainGrid.addWidget(splitter, 0, 0)
+        mainGrid.addWidget(self._splitter, 0, 0)
         mainGrid.addWidget(
             self.tab_hydrocalc.rechg_eval_widget.progressbar, 3, 0)
 
@@ -198,14 +200,73 @@ def new_project_loaded(self):
         self.tab_hydrograph.setEnabled(True)
         self.tab_hydrocalc.setEnabled(True)
 
+    # ---- Qt method override/extension
     def closeEvent(self, event):
         """Qt method override to close the project before close the app."""
+        self._save_window_geometry()
+        self._save_window_state()
+
         print('Closing projet')
         self.pmanager.close()
-        self.tab_hydrocalc.close()
+
         print('Closing GWHAT')
+        self.tab_hydrocalc.close()
         event.accept()
 
+    def show(self):
+        """
+        Extend Qt method.
+        """
+        super().show()
+
+    # ---- Main window settings
+    def _restore_window_geometry(self):
+        """
+        Restore the geometry of this mainwindow from the value saved
+        in the config.
+        """
+        hexstate = CONF.get('main', 'window/geometry', None)
+        if hexstate:
+            hexstate = hexstate_to_qbytearray(hexstate)
+            self.restoreGeometry(hexstate)
+        else:
+            from gwhat.config.gui import INIT_MAINWINDOW_SIZE
+            self.resize(*INIT_MAINWINDOW_SIZE)
+
+    def _save_window_geometry(self):
+        """
+        Save the geometry of this mainwindow to the config.
+        """
+        hexstate = qbytearray_to_hexstate(self.saveGeometry())
+        CONF.set('main', 'window/geometry', hexstate)
+
+    def _restore_window_state(self):
+        """
+        Restore the state of this mainwindow’s toolbars and dockwidgets from
+        the value saved in the config.
+        """
+        # Then we appply saved configuration if it exists.
+        hexstate = CONF.get('main', 'window/state', None)
+        if hexstate:
+            hexstate = hexstate_to_qbytearray(hexstate)
+            self.restoreState(hexstate)
+
+        hexstate = CONF.get('main', 'splitter/state', None)
+        if hexstate:
+            hexstate = hexstate_to_qbytearray(hexstate)
+            self._splitter.restoreState(hexstate)
+
+    def _save_window_state(self):
+        """
+        Save the state of this mainwindow’s toolbars and dockwidgets to
+        the config.
+        """
+        hexstate = qbytearray_to_hexstate(self.saveState())
+        CONF.set('main', 'window/state', hexstate)
+
+        hexstate = qbytearray_to_hexstate(self._splitter.saveState())
+        CONF.set('main', 'splitter/state', hexstate)
+
 
 def except_hook(cls, exception, traceback):
     """

gwhat/utils/qthelpers.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# -----------------------------------------------------------------------------
+# Copyright © 2014-2018 GWHAT Project Contributors
+# https://github.com/jnsebgosselin/gwhat
+#
+# This file is part of GWHAT (Ground-Water Hydrograph Analysis Toolbox).
+# Licensed under the terms of the GNU General Public License.
+# -----------------------------------------------------------------------------
+
+"""Qt utilities"""
+
+# ---- Third party imports
+from qtpy.QtCore import QByteArray
+
+
+def qbytearray_to_hexstate(qba):
+    """Convert QByteArray object to a str hexstate."""
+    return str(bytes(qba.toHex().data()).decode())
+
+
+def hexstate_to_qbytearray(hexstate):
+    """Convert a str hexstate to a QByteArray object."""
+    return QByteArray().fromHex(str(hexstate).encode('utf-8'))