working on stopping headers from leaving viewport on resize

components/MusicTable.py

@@ -13,16 +13,17 @@ from PyQt5.QtWidgets import (
     QAction,
     QHeaderView,
     QMenu,
+    QSizePolicy,
     QTableView,
     QShortcut,
     QMessageBox,
     QAbstractItemView,
 )
 from PyQt5.QtCore import (
+    Qt,
     QAbstractItemModel,
     QModelIndex,
     QThreadPool,
-    Qt,
     pyqtSignal,
     QTimer,
 )
@@ -95,8 +96,8 @@ class MusicTable(QTableView):
             None,
         ]
         # Header stuff...
-        header = ResizableHeaderView(Qt.Horizontal, self)
-        self.setHorizontalHeader(header)
+        # header = ResizableHeaderView(Qt.Horizontal, self)
+        # self.setHorizontalHeader(header)
         # hide the id column
         self.hideColumn(0)
         # db names of headers
@@ -105,21 +106,42 @@ class MusicTable(QTableView):
         self.songChanged = None
         self.selected_song_filepath = ""
         self.current_song_filepath = ""
-        # self.tableView.resizeColumnsToContents()
+        table_view_column_widths = str(self.config["table"]["column_widths"]).split(",")
+        for i in range(self.model.columnCount() - 1):
+            self.setColumnWidth(i, int(table_view_column_widths[i]))
+        self.horizontalHeader().setStretchLastSection(True)
+        self.horizontalHeader().setSectionResizeMode(QHeaderView.Interactive)
+        self.horizontalHeader().setCascadingSectionResizes(True)
+        # CONNECTIONS
         self.clicked.connect(self.set_selected_song_filepath)
-        # doubleClicked is a built in event for QTableView - we listen for this event and run set_current_song_filepath
         self.doubleClicked.connect(self.set_current_song_filepath)
         self.enterKey.connect(self.set_current_song_filepath)
         self.deleteKey.connect(self.delete_songs)
         self.model.dataChanged.connect(self.on_cell_data_changed)  # editing cells
         self.model.layoutChanged.connect(self.restore_scroll_position)
+        self.horizontalHeader().sectionResized.connect(self.header_was_resized)
+        # Final actions
         self.load_music_table()
         self.setup_keyboard_shortcuts()
 
     def resizeEvent(self, e: typing.Optional[QResizeEvent]) -> None:
+        print(f"QTableView size: {self.size().width()}")
         if e is None:
             raise Exception
         super().resizeEvent(e)
+        self.setMaximumSize(self.size().width(), self.size().height())
+
+    def header_was_resized(self, logicalIndex, oldSize, newSize):
+        # super().sectionResized(logicalIndex, oldSize, newSize)
+        self.adjust_section_sizes()
+
+    def adjust_section_sizes(self):
+        column_count = self.model.columnCount()
+        total_width = 0
+
+        for i in range(self.model.columnCount()):
+            total_width += self.columnWidth(i)
+        print(f"total_width = {total_width}")
 
     def contextMenuEvent(self, a0):
         """Right-click context menu for rows in Music Table"""

components/ResizableHeaderView.py

@@ -8,19 +8,14 @@ class ResizableHeaderView(QHeaderView):
         super().__init__(orientation, parent)
         self.config = configparser.ConfigParser()
         self.config.read("config.ini")
+        self.parent = parent
         # FIXME: last column needs to not leave the screen when other columns become big...
         # howwww
         table_view_column_widths = str(self.config["table"]["column_widths"]).split(",")
         for i in range(parent.model.columnCount() - 1):
             self.setColumnWidth(i, int(table_view_column_widths[i]))
-        self.setSectionsMovable(True)
-        self.setSectionResizeMode(QHeaderView.Interactive)
         self.setStretchLastSection(True)
-        self.min_section_size = 50
-        self.default_column_proportions = [1, 1, 1, 1, 1, 1, 1, 1]
-
-    def set_default_column_proportions(self, proportions):
-        self.default_column_proportions = proportions
+        self.setSectionResizeMode(QHeaderView.Interactive)
 
     def resizeEvent(self, e):
         super().resizeEvent(e)
@@ -31,25 +26,12 @@ class ResizableHeaderView(QHeaderView):
         self.adjust_section_sizes()
 
     def adjust_section_sizes(self):
-        total_width = self.width()
         column_count = self.count()
+        total_width = 0
+
+        for i in range(self.parent.model.columnCount()):
+            total_width += self.parent.model.columnWidth(i)
+        print(f"total_width = {total_width}")
+
         if not self.default_column_proportions:
             self.default_column_proportions = [1] * column_count
-
-        # Calculate the total proportion
-        total_proportion = sum(self.default_column_proportions)
-
-        # Calculate sizes based on proportions
-        sizes = [
-            max(self.min_section_size, int(total_width * prop / total_proportion))
-            for prop in self.default_column_proportions
-        ]
-
-        # Adjust sizes to fit exactly
-        extra = total_width - sum(sizes)
-        for i in range(abs(extra)):
-            sizes[i % column_count] += 1 if extra > 0 else -1
-
-        # Apply sizes
-        for i in range(column_count):
-            self.resizeSection(i, sizes[i])

main.py

@@ -4,7 +4,7 @@ import sys
 import logging
 from subprocess import run
 import qdarktheme
-
+import typing
 from pyqtgraph import mkBrush
 from mutagen.id3 import ID3
 from mutagen.id3._frames import APIC
@@ -34,7 +34,7 @@ from PyQt5.QtCore import (
     QRunnable,
 )
 from PyQt5.QtMultimedia import QMediaPlayer, QMediaContent, QAudioProbe
-from PyQt5.QtGui import QCloseEvent, QPixmap
+from PyQt5.QtGui import QCloseEvent, QPixmap, QResizeEvent
 from utils import (
     scan_for_music,
     delete_and_create_library_database,
@@ -255,6 +255,11 @@ class ApplicationWindow(QMainWindow, Ui_MainWindow):
         """Returns the threadpool instance"""
         return self.threadpool
 
+    def resizeEvent(self, a0: typing.Optional[QResizeEvent]) -> None:
+        """Do something when the window resizes"""
+        if a0 is not None:
+            return super().resizeEvent(a0)
+
     def closeEvent(self, a0: QCloseEvent | None) -> None:
         """Save settings when closing the application"""
         # MusicTable/tableView column widths

ui.py

@@ -100,6 +100,7 @@ class Ui_MainWindow(object):
         self.hLayoutHead.setStretch(2, 6)
         self.verticalLayout.addLayout(self.hLayoutHead)
         self.hLayoutMusicTable = QtWidgets.QHBoxLayout()
+        self.hLayoutMusicTable.setSizeConstraint(QtWidgets.QLayout.SetMaximumSize)
         self.hLayoutMusicTable.setContentsMargins(0, -1, 0, -1)
         self.hLayoutMusicTable.setObjectName("hLayoutMusicTable")
         self.playlistTreeView = PlaylistsPane(self.centralwidget)

ui.ui

@@ -166,6 +166,9 @@
       </item>
       <item>
        <layout class="QHBoxLayout" name="hLayoutMusicTable" stretch="2,10">
+        <property name="sizeConstraint">
+         <enum>QLayout::SetMaximumSize</enum>
+        </property>
         <property name="leftMargin">
          <number>0</number>
         </property>