Add helper function for appending text to a textedit

qrenderdoc/Code/Interface/Extensions.h

@@ -687,6 +687,17 @@ add text next to it.
 )");
   virtual void SetWidgetText(QWidget *widget, const rdcstr &text) = 0;
 
+  DOCUMENT(R"(Appends to the 'text' of a widget. For most widgets this will not be different from
+getting the text with :meth:`GetWidgetText`, appending to the string, and setting with :meth:`SetWidgetText`
+but for multi-line widgets like text edits this can give a better experience with better scrolling.
+
+This will also scroll to and move the cursor to the end of the text.
+
+:param QWidget widget: The widget to append text for.
+:param str text: The text to append to the widget's text.
+)");
+  virtual void AppendText(QWidget *widget, const rdcstr &text) = 0;
+
   DOCUMENT(R"(Return the current text of a widget. See :meth:`SetWidgetText`.
 
 :param QWidget widget: The widget to query.

qrenderdoc/Code/MiniQtHelper.cpp

@@ -365,6 +365,28 @@ void MiniQtHelper::SetWidgetText(QWidget *widget, const rdcstr &text)
   }
 }
 
+void MiniQtHelper::AppendText(QWidget *widget, const rdcstr &text)
+{
+#define APPEND_TEXT(TextWidget)                         \
+  {                                                     \
+    TextWidget *w = qobject_cast<TextWidget *>(widget); \
+    if(w)                                               \
+    {                                                   \
+      ScrollToBottom(widget);                           \
+      w->moveCursor(QTextCursor::End);                  \
+      w->insertPlainText(text);                         \
+      return;                                           \
+    }                                                   \
+  }
+
+  APPEND_TEXT(RDTextEdit);
+  APPEND_TEXT(QTextEdit);
+
+  rdcstr t = GetWidgetText(widget);
+  t += text;
+  SetWidgetText(widget, t);
+}
+
 rdcstr MiniQtHelper::GetWidgetText(QWidget *widget)
 {
   if(!widget)

qrenderdoc/Code/MiniQtHelper.h

@@ -72,6 +72,7 @@ public:
   // widget manipulation
 
   void SetWidgetText(QWidget *widget, const rdcstr &text) override;
+  void AppendText(QWidget *widget, const rdcstr &text) override;
   rdcstr GetWidgetText(QWidget *widget) override;
 
   void ScrollToTop(QWidget *widget) override;

qrenderdoc/Code/pyrenderdoc/PythonInvokers.cpp

@@ -177,6 +177,10 @@ struct MiniQtInvoker : UIThreadInvoker<IMiniQtHelper>
   {
     InvokeVoidFunction(&IMiniQtHelper::SetWidgetText, widget, text);
   }
+  void AppendText(QWidget *widget, const rdcstr &text)
+  {
+    InvokeVoidFunction(&IMiniQtHelper::AppendText, widget, text);
+  }
   rdcstr GetWidgetText(QWidget *widget)
   {
     return InvokeRetFunction<rdcstr>(&IMiniQtHelper::GetWidgetText, widget);