Create simple-PyQt6-gui.py
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ghostersk
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from PyQt6.QtWidgets import QApplication, QMainWindow, QTextEdit, QMenuBar
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from PyQt6.QtWidgets import QTabWidget, QVBoxLayout, QWidget, QFileDialog, QTabBar
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from PyQt6.QtGui import QAction
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from PyQt6.QtCore import Qt, QEvent
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import os, sys
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application_name = "MSG Viewer"
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"""
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This is simple PyQt6 interface to open text files in tabs.
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"""
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class TabContent(QWidget):
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def __init__(self):
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super().__init__()
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# Create the text editor for each tab
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self.text_area = QTextEdit(self)
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self.text_area.setObjectName("Container")
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self.text_area.setStyleSheet(
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"""#Container {
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background: qlineargradient(x1:0 y1:0, x2:1 y2:1, stop:0 #051c2a stop:1 #44315f);
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border-radius: 5px;
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}"""
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)
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layout = QVBoxLayout(self)
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layout.addWidget(self.text_area)
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self.setLayout(layout)
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def setText(self, text):
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self.text_area.setPlainText(text)
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def getText(self):
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return self.text_area.toPlainText()
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def setReadOnly(self, readonly):
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self.text_area.setReadOnly(readonly)
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def isReadOnly(self):
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return self.text_area.isReadOnly()
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class AppMainWindow(QMainWindow):
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def __init__(self):
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super().__init__()
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self.initUI()
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def initUI(self):
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# Create the tab widget that will hold the tabs
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self.tabs = QTabWidget(self)
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self.tabs.setTabsClosable(True) # Enable the close button on tabs
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self.tabs.setMovable(True) # Enable the moving (reordering) of tabs
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self.tabs.tabCloseRequested.connect(self.close_tab) # Connect to tab close event
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self.tabs.currentChanged.connect(self.on_tab_changed) # Listen for tab change event
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self.setCentralWidget(self.tabs)
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# Enable middle-click closing for tabs
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self.tabs.tabBar().installEventFilter(self)
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# Set the window title and size
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self.setWindowTitle(application_name)
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self.setGeometry(100, 100, 800, 600)
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# Create the menu bar with toolbar buttons
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self.createToolbar()
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def createToolbar(self):
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# Create a menu bar
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self.menuBar = QMenuBar()
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self.setMenuBar(self.menuBar)
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# Action to open a file
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self.open_btn = QAction("Open", self)
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self.open_btn.triggered.connect(self.open_file)
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self.open_btn.setStatusTip("Open MSG file")
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self.menuBar.addAction(self.open_btn)
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# Action to toggle between Edit and Read-Only modes
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self.edit_btn = QAction("ReadOnly", self) # Default to "ReadOnly"
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self.edit_btn.setStatusTip("Make message read-only")
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self.edit_btn.triggered.connect(self.edit_file)
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self.edit_btn.setVisible(False)
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self.menuBar.addAction(self.edit_btn)
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# Action to save the file
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self.save_btn = QAction("Extract", self)
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self.save_btn.setStatusTip("Save current file")
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self.save_btn.triggered.connect(self.save_file)
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self.save_btn.setVisible(False)
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self.menuBar.addAction(self.save_btn)
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self.menuBar.setStyleSheet("""
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QMenuBar {
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background-color: #9a9c9a;
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border-bottom: 1px solid #000000;
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padding: 2px;
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}
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QMenuBar::item {
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background-color: #292626;
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padding: 5px 10px;
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border: 1px solid transparent;
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margin: 2px;
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font-weight: bold;
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}
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QMenuBar::item:selected {
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background-color: #d0d0d0;
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border: 1px solid #999999;
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color: black;
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border-radius: 3px;
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}
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QMenuBar::item:pressed {
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background-color: #b0b0b0;
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}
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""")
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def open_file(self):
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# Open a file using a file dialog
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file, _ = QFileDialog.getOpenFileName(
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self,
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"Open File",
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"",
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"All Files (*);;HTML Files (*.html);;Text Files (*.txt)"
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)
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if file:
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try:
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# Read the content of the file
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with open(file, 'r', encoding="utf-8") as f:
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file_content = f.read()
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# Create a new tab
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tab_content = TabContent()
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tab_content.setText(file_content)
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tab_index = self.tabs.addTab(tab_content, os.path.basename(file))
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self.tabs.setCurrentIndex(tab_index)
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# Enable save and edit actions
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self.save_btn.setVisible(True)
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self.edit_btn.setVisible(True)
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# Set the editor to Read-Only mode by default
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tab_content.setReadOnly(True)
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self.edit_btn.setText("Edit")
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except Exception as e:
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print(f"Error opening file: {e}")
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def edit_file(self):
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# Get the current active tab
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current_tab = self.tabs.currentWidget()
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# Toggle between Edit and ReadOnly modes
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if self.edit_btn.text() == "Edit":
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current_tab.setReadOnly(False) # Allow editing
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self.edit_btn.setText("ReadOnly")
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self.edit_btn.setStatusTip("Make message read-only")
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else:
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current_tab.setReadOnly(True) # Make read-only
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self.edit_btn.setText("Edit")
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self.edit_btn.setStatusTip("Allows Editing of the message")
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def save_file(self):
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# Get the current active tab
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current_tab = self.tabs.currentWidget()
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# Open a file dialog to save the file
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file, _ = QFileDialog.getSaveFileName(
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self,
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"Save File",
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"",
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"All Files (*);;HTML Files (*.html);;Text Files (*.txt)"
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)
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if file:
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try:
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# Save the content of the text area to the file
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with open(file, 'w', encoding="utf-8") as f:
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f.write(current_tab.getText())
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self.setWindowTitle(f"{application_name} - {os.path.basename(file)}")
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except Exception as e:
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print(f"Error saving file: {e}")
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def close_tab(self, index):
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# This function will be triggered when a user clicks on the "X" button of a tab
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widget = self.tabs.widget(index)
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if widget:
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self.tabs.removeTab(index)
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widget.deleteLater() # Free up the memory of the widget
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def on_tab_changed(self, index):
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# This function is called when the user switches between tabs
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current_tab = self.tabs.widget(index)
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if current_tab:
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# Set the "Edit/ReadOnly" button text based on the current tab's state
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if current_tab.isReadOnly():
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self.edit_btn.setText("Edit")
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self.edit_btn.setStatusTip("Allows Editing of the message")
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else:
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self.edit_btn.setText("ReadOnly")
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self.edit_btn.setStatusTip("Make message read-only")
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def eventFilter(self, source, event):
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# Listen for middle mouse button clicks to close tabs
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if source == self.tabs.tabBar() and event.type() == QEvent.Type.MouseButtonPress:
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if event.button() == Qt.MouseButton.MiddleButton:
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index = self.tabs.tabBar().tabAt(event.pos())
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if index != -1:
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self.tabs.removeTab(index)
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return True
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return super().eventFilter(source, event)
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def main():
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app = QApplication(sys.argv)
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app.setStyle("Fusion")
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app_window = AppMainWindow()
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app_window.show()
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sys.exit(app.exec())
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if __name__ == "__main__":
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main()
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