b60e9705cb
- Fixed a bug that did not size the multi pane charts correctly. - Implementation of the ‘grid’ common method.
67 lines
2.3 KiB
Python
67 lines
2.3 KiB
Python
try:
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import wx.html2
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except ImportError:
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pass
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try:
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from PyQt5.QtWebEngineWidgets import QWebEngineView
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from PyQt5.QtWebChannel import QWebChannel
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from PyQt5.QtCore import QObject
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except ImportError:
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pass
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from lightweight_charts.js import LWC
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class WxChart(LWC):
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def __init__(self, parent, volume_enabled: bool = True, inner_width: float = 1.0, inner_height: float = 1.0):
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try:
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self.webview: wx.html2.WebView = wx.html2.WebView.New(parent)
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except NameError:
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raise ModuleNotFoundError('wx.html2 was not found, and must be installed to use WxChart.')
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super().__init__(volume_enabled, inner_width=inner_width, inner_height=inner_height)
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self.webview.AddScriptMessageHandler('wx_msg')
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self._js_api_code = 'window.wx_msg.postMessage'
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self.webview.Bind(wx.html2.EVT_WEBVIEW_SCRIPT_MESSAGE_RECEIVED, lambda e: self._js_api.onClick(eval(e.GetString())))
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self.webview.Bind(wx.html2.EVT_WEBVIEW_LOADED, self._on_js_load)
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self.webview.SetPage(self._html, '')
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def run_script(self, script): self.webview.RunScript(script)
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def _on_js_load(self, e):
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self.loaded = True
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for func, args, kwargs in self.js_queue:
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if 'SUB' in func:
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c_id = args[0]
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args = args[1:]
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getattr(self._subcharts[c_id], func.replace('SUB', ''))(*args)
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else:
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getattr(self, func)(*args)
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def get_webview(self): return self.webview
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class QtChart(LWC):
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def __init__(self, widget=None, volume_enabled: bool = True, inner_width: float = 1.0, inner_height: float = 1.0):
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try:
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self.webview = QWebEngineView(widget)
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except NameError:
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raise ModuleNotFoundError('QWebEngineView was not found, and must be installed to use QtChart.')
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super().__init__(volume_enabled, inner_width=inner_width, inner_height=inner_height)
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self.webview.loadFinished.connect(self._on_js_load)
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self.webview.page().setHtml(self._html)
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def run_script(self, script): self.webview.page().runJavaScript(script)
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def _on_js_load(self):
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self.loaded = True
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for func, args, kwargs in self.js_queue:
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getattr(super(), func)(*args, **kwargs)
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def get_webview(self): return self.webview
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