dwker/lightweight-charts-python
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- Significant refactoring resulting in a 34% reduction in size of the codebase (excluding the Lightweight Charts package) and greater efficiency.

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- Upgraded to Lightweight Charts v4.0.1.
- Added a ‘hover’ item to the returning dictionary from subscribe_click.
- Markers and SubCharts no longer use a UUID for identification, but an 8 character string.
This commit is contained in:
louisnw
2023-05-21 15:42:57 +01:00
parent 445d9b67d3
commit 7ea2b0ac19
10 changed files with 336 additions and 663 deletions
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29
lightweight_charts/widgets.py
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@ -21,24 +21,16 @@ class WxChart(LWC):
super().__init__(volume_enabled, inner_width=inner_width, inner_height=inner_height)
self.webview.AddScriptMessageHandler('wx_msg')
self._script_func = self.webview.RunScript
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.AddScriptMessageHandler('wx_msg')
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, '')
self._create_chart()
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:
if 'SUB' in func:
c_id = args[0]
args = args[1:]
getattr(self._subcharts[c_id], func.replace('SUB', ''))(*args)
else:
getattr(self, func)(*args)
def _on_js_load(self, e): super()._on_js_load()
def get_webview(self): return self.webview
@ -49,18 +41,13 @@ class QtChart(LWC):
self.webview = QWebEngineView(widget)
except NameError:
raise ModuleNotFoundError('QWebEngineView was not found, and must be installed to use QtChart.')
super().__init__(volume_enabled, inner_width=inner_width, inner_height=inner_height)
self._script_func = self.webview.page().runJavaScript
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)
self._create_chart()
def get_webview(self): return self.webview