- enhancement: auto clear parsed symbols when the editor is hidden ( to reduce memory usage of un-active editors)

NEWS.md

@@ -1,7 +1,8 @@
 Version 0.8.2 For Dev-C++ 7 Beta
  - fix: highlighter can't correctly find the end of ANSI C-style Comments
- - enhancement: Add default color scheme to themes. Change theme option will change color scheme too.
+ - enhancement: add default color scheme to themes. Change theme option will change color scheme too.
  - fix: when changing options in the option dialog's color scheme panle, color of the demo editor won't be not correctly updated
+ - enhancement: auto clear parsed symbols when the editor is hidden ( to reduce memory usage of un-active editors)
 
 Version 0.8.1 For Dev-C++ 7 Beta
  - fix: ConsolePaurser.exe only exits when press ENTER

RedPandaIDE/HighlighterManager.cpp

@@ -5,7 +5,6 @@
 #include "qsynedit/highlighter/asm.h"
 #include "qsynedit/Constants.h"
 #include "colorscheme.h"
-#include <QDebug>
 
 HighlighterManager highlighterManager;
 

RedPandaIDE/editor.cpp

@@ -564,7 +564,9 @@ void Editor::keyPressEvent(QKeyEvent *event)
                 handled = true;
                 QStringList insertString;
                 insertString.append("");
-                PStatement function = mParser->findFunctionAt(mFilename,caretY()+1);
+                PStatement function;
+                if (mParser)
+                    function = mParser->findFunctionAt(mFilename,caretY()+1);
                 if (function) {
                     QStringList params;
                     QString funcName = function->command;
@@ -678,7 +680,7 @@ void Editor::keyPressEvent(QKeyEvent *event)
         if (pSettings->codeCompletion().enabled()
                 && pSettings->codeCompletion().showCompletionWhileInput() ) {
             if (mLastIdCharPressed==1) {
-                if (mParser->isIncludeLine(lineText())) {
+                if (mParser && mParser->isIncludeLine(lineText())) {
                     // is a #include line
                     setSelText(ch);
                     showHeaderCompletion(false);

RedPandaIDE/mainwindow.cpp

@@ -4772,12 +4772,33 @@ PSymbolUsageManager &MainWindow::symbolUsageManager()
     return mSymbolUsageManager;
 }
 
+static void updateEditorParser(QTabWidget* tabWidget,
+                               Editor* editor) {
+    qDebug()<<"update editors";
+    qDebug()<<pSettings->codeCompletion().clearWhenEditorHidden();
+    if (pSettings->codeCompletion().clearWhenEditorHidden()) {
+        for (int i=0;i<tabWidget->count();i++) {
+            Editor * e = (Editor*)(tabWidget->widget(i));
+            if (!e->inProject()) {
+                if (e==editor) {
+                    resetCppParser(e->parser());
+                    e->reparse();
+                } else {
+                    qDebug()<<"clear editor:"<<e->filename();
+                    //e->initParser();
+                    e->parser()->reset();
+                }
+            }
+        }
+    }
+}
 void MainWindow::on_EditorTabsLeft_currentChanged(int)
 {
     Editor * editor = mEditorList->getEditor(-1,ui->EditorTabsLeft);
     if (editor) {
         editor->reparseTodo();
     }
+    updateEditorParser(ui->EditorTabsLeft,editor);
 }
 
 
@@ -4787,6 +4808,7 @@ void MainWindow::on_EditorTabsRight_currentChanged(int)
     if (editor) {
         editor->reparseTodo();
     }
+    updateEditorParser(ui->EditorTabsRight,editor);
 }
 
 

RedPandaIDE/settings.cpp

@@ -3109,6 +3109,16 @@ void Settings::CodeCompletion::setShowCodeIns(bool newShowCodeIns)
     mShowCodeIns = newShowCodeIns;
 }
 
+bool Settings::CodeCompletion::clearWhenEditorHidden() const
+{
+    return mClearWhenEditorHidden;
+}
+
+void Settings::CodeCompletion::setClearWhenEditorHidden(bool newClearWhenEditorHidden)
+{
+    mClearWhenEditorHidden = newClearWhenEditorHidden;
+}
+
 bool Settings::CodeCompletion::appendFunc() const
 {
     return mAppendFunc;
@@ -3233,6 +3243,7 @@ void Settings::CodeCompletion::doSave()
     saveValue("ignore_case",mIgnoreCase);
     saveValue("append_func",mAppendFunc);
     saveValue("show_code_ins",mShowCodeIns);
+    saveValue("clear_when_editor_hidden",mClearWhenEditorHidden);
 }
 
 
@@ -3251,6 +3262,7 @@ void Settings::CodeCompletion::doLoad()
     mIgnoreCase = boolValue("ignore_case",true);
     mAppendFunc = boolValue("append_func",true);
     mShowCodeIns = boolValue("show_code_ins",true);
+    mClearWhenEditorHidden = boolValue("clear_when_editor_hidden",true);
 }
 
 Settings::CodeFormatter::CodeFormatter(Settings *settings):

RedPandaIDE/settings.h

@@ -521,6 +521,9 @@ public:
         bool showCodeIns() const;
         void setShowCodeIns(bool newShowCodeIns);
 
+        bool clearWhenEditorHidden() const;
+        void setClearWhenEditorHidden(bool newClearWhenEditorHidden);
+
     private:
         int mWidth;
         int mHeight;
@@ -534,6 +537,7 @@ public:
         bool mIgnoreCase;
         bool mAppendFunc;
         bool mShowCodeIns;
+        bool mClearWhenEditorHidden;
 
         // _Base interface
     protected:

RedPandaIDE/settingsdialog/editorcodecompletionwidget.cpp

@@ -34,6 +34,7 @@ void EditorCodeCompletionWidget::doLoad()
     ui->chkIgnoreCases->setChecked(pSettings->codeCompletion().ignoreCase());
     ui->chkAppendFunc->setChecked(pSettings->codeCompletion().appendFunc());
     ui->chkShowCodeIns->setChecked(pSettings->codeCompletion().showCodeIns());
+    ui->chkClearWhenEditorHidden->setChecked(pSettings->codeCompletion().clearWhenEditorHidden());
 }
 
 void EditorCodeCompletionWidget::doSave()
@@ -54,6 +55,7 @@ void EditorCodeCompletionWidget::doSave()
     pSettings->codeCompletion().setIgnoreCase(ui->chkIgnoreCases->isChecked());
     pSettings->codeCompletion().setAppendFunc(ui->chkAppendFunc->isChecked());
     pSettings->codeCompletion().setShowCodeIns(ui->chkShowCodeIns->isChecked());
+    pSettings->codeCompletion().setClearWhenEditorHidden(ui->chkClearWhenEditorHidden->isChecked());
 
     pSettings->codeCompletion().save();
 }

RedPandaIDE/settingsdialog/editorcodecompletionwidget.ui

@@ -26,6 +26,13 @@
       <bool>true</bool>
      </property>
      <layout class="QVBoxLayout" name="verticalLayout_3">
+      <item>
+       <widget class="QCheckBox" name="chkClearWhenEditorHidden">
+        <property name="text">
+         <string>Clear all parsed symbols when editor is hidden</string>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QCheckBox" name="chkShowSuggestionWhileTyping">
         <property name="text">