From 3d8064060996752c78ed501ce601bc9062301e07 Mon Sep 17 00:00:00 2001
From: Andreas Huber <andreas.huber@lucares.de>
Date: Sun, 31 Oct 2021 17:55:00 +0100
Subject: [PATCH] show file size and name in status bar

---
 logFileModel.py | 14 ++++++++++++--
 main.py         |  3 ++-
 ravenui.py      |  6 ++++++
 tabs.py         |  7 +++++++
 4 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/logFileModel.py b/logFileModel.py
index 04decc3..e584089 100644
--- a/logFileModel.py
+++ b/logFileModel.py
@@ -4,7 +4,7 @@ import threading
 import time
 from typing import List, Optional
 
-from PyQt6.QtGui import QBrush, QColor, QPen
+from PyQt6.QtCore import pyqtSignal
 
 from highlight_regex import HighlightRegex
 from highlighting import Highlighting
@@ -16,6 +16,12 @@ from settings import Settings
 class LogFileModel:
     _query_highlight: Optional[HighlightRegex] = None
 
+    file_size_changed = pyqtSignal(str)
+    """Fires when the file size changed. **Note:** uses strings, 
+       because int in Qt signal are limited to 32bit."""
+
+    _file_size = -1
+
     def __init__(self, file: str, settings: Settings):
         self.settings = settings
         self._file = os.path.realpath(file)
@@ -117,7 +123,11 @@ class LogFileModel:
             return result
 
     def byte_count(self) -> int:
-        return os.stat(self._file).st_size
+        size = os.stat(self._file).st_size
+        if self._file_size != size:
+            # self.file_size_changed.emit(str(size))
+            self._file_size = size
+        return size
 
     def write_line(self, line: str):
         with open(self._file, 'a+b') as f:
diff --git a/main.py b/main.py
index 7f2057a..03d83d9 100644
--- a/main.py
+++ b/main.py
@@ -39,7 +39,8 @@ class MainWindow(QMainWindow):
         self._menu_recent_files = QMenu(self.tr("Open &Recent"), self)
 
         self.setCentralWidget(self.tabs)
-        self.setStatusBar(QStatusBar(self))
+        self.status_bar = QStatusBar(self)
+        self.setStatusBar(self.status_bar)
         self.setMenuBar(self.create_menu_bar())
 
     def create_menu_bar(self) -> QMenuBar:
diff --git a/ravenui.py b/ravenui.py
index b32a979..36f5e1a 100644
--- a/ravenui.py
+++ b/ravenui.py
@@ -14,3 +14,9 @@ class RavenUI():
             RavenUI.window.setWindowTitle("%s - RavenLog" % title)
         else:
             RavenUI.window.setWindowTitle("RavenLog")
+
+    @staticmethod
+    def update_status_bar(text: str):
+        if not RavenUI.window:
+            return
+        RavenUI.window.status_bar.showMessage(text)
diff --git a/tabs.py b/tabs.py
index ce913ed..b00d99d 100644
--- a/tabs.py
+++ b/tabs.py
@@ -6,6 +6,7 @@ from PyQt6.QtCore import *
 from PyQt6.QtGui import *
 
 from bigtext import BigText
+from conversion import humanbytes
 from fulltabwidget import FullTabWidget
 from logFileModel import LogFileModel
 from ravenui import RavenUI
@@ -55,11 +56,17 @@ class Tabs(QWidget):
     def _current_tab_changed(self, tab_index: int):
         full_tab: FullTabWidget = self.tabs.widget(tab_index)
         if full_tab:
+            # window title
             file = full_tab.file_view.get_file()
             file_name = os.path.basename(file)
             RavenUI.update_window_title(file_name)
+
+            # status bar text
+            status_text = "%s - %s" % (humanbytes(full_tab.file_view.model.byte_count()), file)
+            RavenUI.update_status_bar(status_text)
         else:
             RavenUI.update_window_title("")
+            RavenUI.update_status_bar("")
 
     def _close_tab(self, tab_index: int):
         full_tab: FullTabWidget = self.tabs.widget(tab_index)