mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
268 lines
9.3 KiB
Python
268 lines
9.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OnionShare | https://onionshare.org/
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Copyright (C) 2014-2020 Micah Lee, et al. <micah@micahflee.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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from PyQt5 import QtCore, QtWidgets, QtGui
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from onionshare import strings
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from onionshare.mode_settings import ModeSettings
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from .tab import Tab
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from .threads import EventHandlerThread
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class TabWidget(QtWidgets.QTabWidget):
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"""
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A custom tab widget, that has a "+" button for adding new tabs
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"""
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bring_to_front = QtCore.pyqtSignal()
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def __init__(self, common, system_tray, status_bar):
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super(TabWidget, self).__init__()
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self.common = common
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self.common.log("TabWidget", "__init__")
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self.system_tray = system_tray
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self.status_bar = status_bar
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# Keep track of tabs in a dictionary
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self.tabs = {}
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self.current_tab_id = 0 # Each tab has a unique id
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# Define the new tab button
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self.new_tab_button = QtWidgets.QPushButton("+", parent=self)
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self.new_tab_button.setFlat(True)
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self.new_tab_button.setFixedSize(40, 30)
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self.new_tab_button.clicked.connect(self.new_tab_clicked)
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self.new_tab_button.setStyleSheet(
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self.common.gui.css["tab_widget_new_tab_button"]
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)
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self.new_tab_button.setToolTip(strings._("gui_new_tab_tooltip"))
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# Use a custom tab bar
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tab_bar = TabBar()
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tab_bar.move_new_tab_button.connect(self.move_new_tab_button)
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tab_bar.currentChanged.connect(self.tab_changed)
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self.setTabBar(tab_bar)
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# Set up the tab widget
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self.setMovable(True)
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self.setTabsClosable(True)
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self.setUsesScrollButtons(True)
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self.setDocumentMode(True)
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self.setStyleSheet(self.common.gui.css["tab_widget"])
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self.tabCloseRequested.connect(self.close_tab)
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self.move_new_tab_button()
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# Watch the events file for changes
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self.event_handler_t = EventHandlerThread(common)
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self.event_handler_t.new_tab.connect(self.add_tab)
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self.event_handler_t.new_share_tab.connect(self.new_share_tab)
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self.event_handler_t.start()
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def cleanup(self):
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# Stop the event thread
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self.event_handler_t.should_quit = True
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self.event_handler_t.quit()
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self.event_handler_t.wait(50)
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# Clean up each tab
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for index in range(self.count()):
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tab = self.widget(index)
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tab.cleanup()
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def move_new_tab_button(self):
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# Find the width of all tabs
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tabs_width = sum(
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[self.tabBar().tabRect(i).width() for i in range(self.count())]
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)
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# The current position of the new tab button
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pos = self.new_tab_button.pos()
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# If there are so many tabs it scrolls, move the button to the left of the scroll buttons
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if tabs_width > self.width():
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pos.setX(self.width() - 65)
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else:
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# Otherwise move the button to the right of the tabs
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pos.setX(self.tabBar().sizeHint().width())
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self.new_tab_button.move(pos)
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self.new_tab_button.raise_()
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def tab_changed(self):
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# Active tab was changed
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tab_id = self.currentIndex()
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self.common.log("TabWidget", "tab_changed", f"Tab was changed to {tab_id}")
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try:
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mode = self.tabs[tab_id].get_mode()
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if mode:
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# Update the server status indicator to reflect that of the current tab
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self.tabs[tab_id].update_server_status_indicator()
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else:
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# If this tab doesn't have a mode set yet, blank the server status indicator
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self.status_bar.server_status_image_label.clear()
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self.status_bar.server_status_label.clear()
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except KeyError:
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# When all current tabs are closed, index briefly drops to -1 before resetting to 0
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# which will otherwise trigger a KeyError on tab.get_mode() above.
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pass
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def new_tab_clicked(self):
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# Create a new tab
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self.add_tab()
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def load_tab(self, mode_settings_id):
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# Load the tab's mode settings
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mode_settings = ModeSettings(self.common, id=mode_settings_id)
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self.add_tab(mode_settings)
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def new_share_tab(self, filenames):
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mode_settings = ModeSettings(self.common)
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mode_settings.set("persistent", "mode", "share")
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mode_settings.set("share", "filenames", filenames)
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self.add_tab(mode_settings)
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def add_tab(self, mode_settings=None):
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tab = Tab(self.common, self.current_tab_id, self.system_tray, self.status_bar)
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tab.change_title.connect(self.change_title)
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tab.change_icon.connect(self.change_icon)
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tab.change_persistent.connect(self.change_persistent)
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self.tabs[self.current_tab_id] = tab
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self.current_tab_id += 1
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index = self.addTab(tab, strings._("gui_new_tab"))
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self.setCurrentIndex(index)
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# Create a close button
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def close_tab():
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self.tabBar().tabCloseRequested.emit(self.indexOf(tab))
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close_button = QtWidgets.QPushButton()
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close_button.setFlat(True)
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close_button.setFixedWidth(40)
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close_button.setIcon(
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QtGui.QIcon(self.common.get_resource_path("images/close_tab.png"))
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)
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close_button.clicked.connect(close_tab)
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self.tabBar().setTabButton(index, QtWidgets.QTabBar.RightSide, close_button)
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tab.init(mode_settings)
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# If it's persistent, set the persistent image in the tab
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self.change_persistent(tab.tab_id, tab.settings.get("persistent", "enabled"))
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# Bring the window to front, in case this is being added by an event
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self.bring_to_front.emit()
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def change_title(self, tab_id, title):
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index = self.indexOf(self.tabs[tab_id])
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self.setTabText(index, title)
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def change_icon(self, tab_id, icon_path):
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index = self.indexOf(self.tabs[tab_id])
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self.setTabIcon(index, QtGui.QIcon(self.common.get_resource_path(icon_path)))
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def change_persistent(self, tab_id, is_persistent):
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index = self.indexOf(self.tabs[tab_id])
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if is_persistent:
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self.tabBar().setTabButton(
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index,
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QtWidgets.QTabBar.LeftSide,
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self.tabs[tab_id].persistent_image_label,
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)
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else:
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invisible_widget = QtWidgets.QWidget()
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invisible_widget.setFixedSize(0, 0)
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self.tabBar().setTabButton(
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index, QtWidgets.QTabBar.LeftSide, invisible_widget
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)
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self.save_persistent_tabs()
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def save_persistent_tabs(self):
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# Figure out the order of persistent tabs to save in settings
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persistent_tabs = []
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for index in range(self.count()):
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tab = self.widget(index)
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if tab.settings.get("persistent", "enabled"):
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persistent_tabs.append(tab.settings.id)
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# Only save if tabs have actually moved
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if persistent_tabs != self.common.settings.get("persistent_tabs"):
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self.common.settings.set("persistent_tabs", persistent_tabs)
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self.common.settings.save()
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def close_tab(self, index):
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self.common.log("TabWidget", "close_tab", f"{index}")
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tab = self.widget(index)
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if tab.close_tab():
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# If the tab is persistent, delete the settings file from disk
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if tab.settings.get("persistent", "enabled"):
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tab.settings.delete()
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# Remove the tab
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self.removeTab(index)
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del self.tabs[tab.tab_id]
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# If the last tab is closed, open a new one
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if self.count() == 0:
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self.new_tab_clicked()
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self.save_persistent_tabs()
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def are_tabs_active(self):
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"""
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See if there are active servers in any open tabs
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"""
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for tab_id in self.tabs:
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mode = self.tabs[tab_id].get_mode()
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if mode:
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if mode.server_status.status != mode.server_status.STATUS_STOPPED:
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return True
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return False
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def paintEvent(self, event):
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super(TabWidget, self).paintEvent(event)
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# Save the order of persistent tabs whenever a new tab is switched to -- ideally we would
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# do this whenever tabs gets moved, but paintEvent is the only event that seems to get triggered
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# when this happens
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self.save_persistent_tabs()
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def resizeEvent(self, event):
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# Make sure to move new tab button on each resize
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super(TabWidget, self).resizeEvent(event)
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self.move_new_tab_button()
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class TabBar(QtWidgets.QTabBar):
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"""
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A custom tab bar
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"""
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move_new_tab_button = QtCore.pyqtSignal()
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def __init__(self):
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super(TabBar, self).__init__()
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def tabLayoutChange(self):
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self.move_new_tab_button.emit()
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