✨ feat(PyQt): update demo

Author: 892768447

QLiteHtmlSip/sip/QLiteHtmlWidget/QLiteHtmlWidget.sip

@@ -32,24 +32,29 @@ public:
     // void setResourceHandler(const ResourceHandler &handler);
     void setResourceHandler(SIP_PYCALLABLE /AllowNone/);
 %MethodCode
-        if (a0 == Py_None || a0 == OnResourceHandler) {
+        if (a0 == Py_None || a0 == OnResourceHandler)
+        {
             sipCpp->setResourceHandler(nullptr);
-        } else {
+        }
+        else
+        {
             Py_XDECREF(OnResourceHandler);
             OnResourceHandler = a0;
             Py_INCREF(OnResourceHandler);
-            sipCpp->setResourceHandler([&](const QUrl &url) {
+            sipCpp->setResourceHandler([&](const QUrl &url)
+            {
                 PyObject *res = sipCallMethod(0, OnResourceHandler, "D", &url, sipType_QUrl);
                 QByteArray result;
-                if (res != nullptr) {
+                if (res != nullptr)
+                {
                     PyObject *buf = Py_None;
                     sipParseResult(0, OnResourceHandler, res, "O", &buf);
-                    if (buf != Py_None && SIPBytes_Check(buf))
+                    if (buf != Py_None && PyBytes_Check(buf))
                     {
-                        result = QByteArray::fromRawData(SIPBytes_AsString(buf), SIPBytes_Size(buf));
-                        Py_DECREF(buf);
-                        buf = NULL;
+                        result = QByteArray::fromRawData(PyBytes_AsString(buf), PyBytes_Size(buf));
                     }
+                    Py_DECREF(buf);
+                    buf = NULL;
                 }
                 Py_XDECREF(res);
                 res = NULL;

QLiteHtmlSip/tests/test_markdown.py

@@ -34,6 +34,7 @@ class MainWindow(QMainWindow):
 
     def __init__(self, *args, **kwargs) -> None:
         super().__init__(*args, **kwargs)
+        self._cpath = ""
         self._changeTimer = QTimer(self)
         self._changeTimer.setSingleShot(True)
         self._changeTimer.timeout.connect(self.onChange)
@@ -51,12 +52,21 @@ def __init__(self, *args, **kwargs) -> None:
         self._mainWidget.addWidget(self._textEdit)
         self._mainWidget.addWidget(self._htmlWidget)
         self.setCentralWidget(self._mainWidget)
-        self._htmlWidget.setResourceHandler(self.onHandler)
+        self._htmlWidget.setResourceHandler(self.onResourceHandler)
+        self._htmlWidget.linkClicked.connect(self.onLinkClicked)
 
-    def onHandler(self, url):
-        print(url)
+    def onResourceHandler(self, url):
+        try:
+            url = url.url().lstrip("/")
+            print(os.path.join(self._cpath, url))
+            return open(os.path.join(self._cpath, url), "rb").read()
+        except Exception as e:
+            print("onHandler:", e)
         return b""
 
+    def onLinkClicked(self, url):
+        print("onLinkClicked:", url)
+
     def sizeHint(self):
         return QSize(800, 600)
 
@@ -66,7 +76,7 @@ def openFile(self):
         )
         if fileName:
             self.setWindowTitle(fileName)
-            os.chdir(os.path.dirname(fileName))
+            self._cpath = os.path.dirname(fileName)
             try:
                 with open(fileName, "r", encoding="utf-8") as f:
                     self._textEdit.setPlainText(f.read())