added toolbar to switch windows/edit modes

main.py

@@ -7,7 +7,7 @@ from PyQt5.QtGui import QCursor
 from PyQt5.QtWidgets import (
     QMainWindow, QApplication, QWidget,
     QHBoxLayout, QVBoxLayout,
-    QProgressBar
+    QProgressBar, QToolBar, QLabel, QPushButton
 )
 
 # from formatter import Formatter
@@ -65,13 +65,25 @@ class ChraniMapTools(QMainWindow, ChraniCursors):
         self.mouse_cursor_helper.center_label_signal.connect(self.center_label_slot)
 
     def init_ui(self):
+        toolbar = QToolBar()
+        label = QPushButton("world viewer")
+        toolbar.addWidget(label)
+        label = QPushButton("noise generator")
+        toolbar.addWidget(label)
+        application_focus_switcher = toolbar
+
         application_frame = QWidget()
         application_frame_layout = QVBoxLayout()
         application_frame_layout.setContentsMargins(0, 0, 0, 0)
 
-        window = QWidget()
-        window_layout = QHBoxLayout()
-        window_layout.setContentsMargins(0, 0, 0, 0)
+        action_pane_width = 256
+        self.progress_bar_helper.set_maximum_size(QSize(action_pane_width, 12))
+        self.statusBar().addPermanentWidget(self.progress_bar_helper.progress_bar)
+
+        # map viewer
+        map_viewer_window = QWidget()
+        map_viewer_window_layout = QHBoxLayout()
+        map_viewer_window_layout.setContentsMargins(0, 0, 0, 0)
 
         region_view_width = 512
         region_view = QWidget()
@@ -82,30 +94,30 @@ class ChraniMapTools(QMainWindow, ChraniCursors):
         region_view.setLayout(region_view_layout)
         region_view.setMinimumSize(QSize(region_view_width, region_view_width))
 
-        action_pane_width = 256
-        self.progress_bar_helper.set_maximum_size(QSize(action_pane_width, 12))
-        self.statusBar().addPermanentWidget(self.progress_bar_helper.progress_bar)
-
-        noise_map_widget = NoiseMapWidget(
-            progress_bar_helper=self.progress_bar_helper,
-            mouse_cursor_helper=self.mouse_cursor_helper,
-            width=action_pane_width
-        )
-
         world_regions_widget = WorldRegionsWidget(
             progress_bar_helper=self.progress_bar_helper,
             mouse_cursor_helper=self.mouse_cursor_helper
         )
-        region_view_layout.addWidget(
-            world_regions_widget
-        )
+        region_view_layout.addWidget(world_regions_widget)
+        map_viewer_window_layout.addWidget(region_view)
+        map_viewer_window.setLayout(map_viewer_window_layout)
 
-        window_layout.addWidget(region_view)
-        window_layout.addWidget(noise_map_widget)
+        # noise_generator
+        noise_generator_window = QWidget()
+        noise_generator_window_layout = QHBoxLayout()
+        noise_generator_window_layout.setContentsMargins(0, 0, 0, 0)
 
-        window.setLayout(window_layout)
+        noise_map_widget = NoiseMapWidget(
+            progress_bar_helper=self.progress_bar_helper,
+            mouse_cursor_helper=self.mouse_cursor_helper,
+            width=action_pane_width
+        )
+        noise_generator_window_layout.addWidget(noise_map_widget)
+        noise_generator_window.setLayout(noise_generator_window_layout)
 
-        application_frame_layout.addWidget(window)
+        # init view
+        application_frame_layout.addWidget(application_focus_switcher)
+        application_frame_layout.addWidget(map_viewer_window)
         application_frame.setLayout(application_frame_layout)
 
         self.setCentralWidget(application_frame)