Files
lightweight-charts-python/lightweight_charts/widgets.py
louisnw 6237cf4d5a New Feature: Multi-Pane Charts
- Added the create_subchart method to Chart.
- Added the SubChart class.
- Added an inner_width and inner_height parameter to Chart.
- The time_scale method can now disable the time scale completely.

Bugs:
- Fixed a bug which prevented markers from being placed on charts with a timescale less than a day.
2023-05-18 23:14:04 +01:00

62 lines
1.9 KiB
Python

try:
import wx.html2
except ImportError:
pass
try:
from PyQt5.QtWebEngineWidgets import QWebEngineView
from PyQt5.QtWebChannel import QWebChannel
from PyQt5.QtCore import QObject
except ImportError:
pass
from lightweight_charts.js import LWC
class WxChart(LWC):
def __init__(self, parent, volume_enabled=True):
try:
self.webview: wx.html2.WebView = wx.html2.WebView.New(parent)
except NameError:
raise ModuleNotFoundError('wx.html2 was not found, and must be installed to use WxChart.')
super().__init__(volume_enabled)
self.webview.AddScriptMessageHandler('wx_msg')
self._js_api_code = 'window.wx_msg.postMessage'
self.webview.Bind(wx.html2.EVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED, lambda e: self._js_api.onClick(eval(e.GetString())))
self.webview.Bind(wx.html2.EVT_WEBVIEW_LOADED, self._on_js_load)
self.webview.SetPage(self._html, '')
def run_script(self, script): self.webview.RunScript(script)
def _on_js_load(self, e):
self.loaded = True
for func, args, kwargs in self.js_queue:
getattr(super(), func)(*args, **kwargs)
def get_webview(self): return self.webview
class QtChart(LWC):
def __init__(self, widget=None, volume_enabled=True):
try:
self.webview = QWebEngineView(widget)
except NameError:
raise ModuleNotFoundError('QWebEngineView was not found, and must be installed to use QtChart.')
super().__init__(volume_enabled)
self.webview.loadFinished.connect(self._on_js_load)
self.webview.page().setHtml(self._html)
def run_script(self, script): self.webview.page().runJavaScript(script)
def _on_js_load(self):
self.loaded = True
for func, args, kwargs in self.js_queue:
getattr(super(), func)(*args, **kwargs)
def get_webview(self): return self.webview