Allow python scripts to suppress MLEdit updates

Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIMultiLineEditCtrl.cpp

@@ -174,6 +174,7 @@ pfGUIMultiLineEditCtrl::pfGUIMultiLineEditCtrl()
     fFontSize = 0;
     fFontStyle = 0;
     fFontFlagsSet = 0;
+    fCanUpdate = true;
 }
 
 pfGUIMultiLineEditCtrl::~pfGUIMultiLineEditCtrl()
@@ -383,7 +384,7 @@ void    pfGUIMultiLineEditCtrl::IUpdate( int32_t startLine, int32_t endLine )
     int32_t       numVisibleLines, lastVisibleLine;
 
 
-    if( !fReadyToRender )
+    if (!fReadyToRender || !fCanUpdate)
         return;
 
     // Detect whether we need to recalc all of our dimensions entirely

Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIMultiLineEditCtrl.h

@@ -123,6 +123,7 @@ class pfGUIMultiLineEditCtrl : public pfGUIControlMod
         pfMLScrollProc  *fScrollProc;
         int32_t           fScrollPos;
         int32_t           fBufferLimit;
+        bool              fCanUpdate;
 
         pfGUIMultiLineEditCtrl *fNextCtrl; // used for linking multiple controls together to share a buffer
         pfGUIMultiLineEditCtrl *fPrevCtrl;
@@ -282,6 +283,17 @@ class pfGUIMultiLineEditCtrl : public pfGUIControlMod
         bool    ShowingEndOfBuffer();
 
         void    DeleteLinesFromTop(int numLines); // cursor and scroll position might be off after this call, not valid on connected controls
+
+        /** Signifies that the control will be updated heavily starting now, so suppress all redraws. */
+        void BeginUpdate() { fCanUpdate = false; }
+
+        /** Signifies that the massive updates are over. We can now redraw. */
+        void EndUpdate(bool redraw=true)
+        {
+            fCanUpdate = true;
+            if (redraw)
+                IUpdate();
+        }
 };
 
 #endif // _pfGUIMultiLineEditCtrl_h

Sources/Plasma/FeatureLib/pfPython/pyGUIControlMultiLineEdit.cpp

@@ -581,3 +581,21 @@ void pyGUIControlMultiLineEdit::SetFontSize( uint32_t fontsize )
             pbmod->SetFontSize((uint8_t)fontsize);
     }
 }
+
+void pyGUIControlMultiLineEdit::BeginUpdate()
+{
+    if (fGCkey) {
+        pfGUIMultiLineEditCtrl* pbmod = pfGUIMultiLineEditCtrl::ConvertNoRef(fGCkey->ObjectIsLoaded());
+        if (pbmod)
+            pbmod->BeginUpdate();
+    }
+}
+
+void pyGUIControlMultiLineEdit::EndUpdate(bool redraw)
+{
+    if (fGCkey) {
+        pfGUIMultiLineEditCtrl* pbmod = pfGUIMultiLineEditCtrl::ConvertNoRef(fGCkey->ObjectIsLoaded());
+        if (pbmod)
+            pbmod->EndUpdate(redraw);
+    }
+}

Sources/Plasma/FeatureLib/pfPython/pyGUIControlMultiLineEdit.h

@@ -113,6 +113,9 @@ public:
 
     virtual uint32_t  GetFontSize() const;
     virtual void    SetFontSize( uint32_t fontsize );
+
+    void BeginUpdate();
+    void EndUpdate(bool redraw);
 };
 
 #endif // _pyGUIControlMultiLineEdit_h_

Sources/Plasma/FeatureLib/pfPython/pyGUIControlMultiLineEditGlue.cpp

@@ -403,6 +403,19 @@ PYTHON_METHOD_DEFINITION(ptGUIControlMultiLineEdit, setFontSize, args)
     PYTHON_RETURN_NONE;
 }
 
+PYTHON_BASIC_METHOD_DEFINITION(ptGUIControlMultiLineEdit, beginUpdate, BeginUpdate)
+
+PYTHON_METHOD_DEFINITION(ptGUIControlMultiLineEdit, endUpdate, args)
+{
+    bool redraw = true;
+    if (!PyArg_ParseTuple(args, "|b", &redraw)) {
+        PyErr_SetString(PyExc_TypeError, "endUpdate expects an optional boolean");
+        PYTHON_RETURN_ERROR;
+    }
+    self->fThis->EndUpdate(redraw);
+    PYTHON_RETURN_NONE;
+}
+
 PYTHON_START_METHODS_TABLE(ptGUIControlMultiLineEdit)
     PYTHON_BASIC_METHOD(ptGUIControlMultiLineEdit, clickable, "Sets this listbox to be clickable by the user."),
     PYTHON_BASIC_METHOD(ptGUIControlMultiLineEdit, unclickable, "Makes this listbox not clickable by the user.\n"
@@ -439,6 +452,8 @@ PYTHON_START_METHODS_TABLE(ptGUIControlMultiLineEdit)
     PYTHON_METHOD(ptGUIControlMultiLineEdit, deleteLinesFromTop, "Params: numLines\nDeletes the specified number of lines from the top of the text buffer"),
     PYTHON_METHOD_NOARGS(ptGUIControlMultiLineEdit, getFontSize, "Returns the current default font size"),
     PYTHON_METHOD(ptGUIControlMultiLineEdit, setFontSize, "Params: fontSize\nSets the default font size for the edit control"),
+    PYTHON_BASIC_METHOD(ptGUIControlMultiLineEdit, beginUpdate, "Signifies that the control will be updated heavily starting now, so suppress all redraws"),
+    PYTHON_METHOD(ptGUIControlMultiLineEdit, endUpdate, "Signifies that the massive updates are over. We can now redraw."),
 PYTHON_END_METHODS_TABLE;
 
 // Type structure definition