Refactored ui callback mechanism

Bridge now has access to the status bar via the new callbacks

FossilOrigin-Name: ee4cf9240e411dfdfc7a4d2b69456fb38a2300c8

src/Bridge.cpp

@@ -19,6 +19,24 @@ static const QRegExp			REGEX_STASH("\\s*(\\d+):\\s+\\[(.*)\\] on (\\d+)-(\\d+)-(
 #define FOSSIL_EXT			"fossil"
 #define PATH_SEP			"/"
 
+
+///////////////////////////////////////////////////////////////////////////////
+class ScopedFossilStatus
+{
+public:
+	ScopedFossilStatus(Bridge::UICallback *callback, const QString &text) : uiCallback(callback)
+	{
+		uiCallback->beginProcess(text);
+	}
+
+	~ScopedFossilStatus()
+	{
+		uiCallback->endProcess();
+	}
+private:
+	Bridge::UICallback *uiCallback;
+};
+
 //------------------------------------------------------------------------------
 Bridge::RepoStatus Bridge::getRepoStatus()
 {
@@ -478,6 +496,12 @@ bool Bridge::runFossilRaw(const QStringList &args, QStringList *output, int *exi
 	if(detached)
 		return QProcess::startDetached(fossil, args, wkdir);
 
+	// Make status message
+	QString status_msg = tr("Running Fossil");
+	if(args.length() > 0)
+		status_msg = QString("Fossil %0").arg(args[0].toCaseFolded());
+	ScopedFossilStatus status(uiCallback, status_msg);
+
 	// Generate args file
 	const QStringList *final_args = &args;
 	QTemporaryFile args_file;

src/Bridge.h

@@ -21,21 +21,27 @@ enum RunFlags
 class Bridge : public QObject
 {
 public:
+	class UICallback
+	{
+	public:
+		virtual void logText(const QString &text, bool isHTML)=0;
+		virtual void beginProcess(const QString &text)=0;
+		virtual void endProcess()=0;
+	};
+
+
 	Bridge()
 	: QObject(0)
 	, parentWidget(0)
 	, abortOperation(false)
-	, logTextBrowser(0)
+	, uiCallback(0)
 	{
 	}
 
-	typedef void(*log_callback_t)(QTextBrowser *textBrowser, const QString &text, bool isHTML);
-
-
-	void Init(QWidget *parent, log_callback_t callback, QTextBrowser *textBrowser, const QString &fossPath, const QString &workspace)
+	void Init(QWidget *parent, UICallback *callback, QTextBrowser *textBrowser, const QString &fossPath, const QString &workspace)
 	{
 		parentWidget = parent;
-		logCallback = callback;
+		uiCallback = callback;
 		logTextBrowser = textBrowser;
 
 		fossilPath = fossPath;
@@ -118,8 +124,8 @@ public:
 private:
 	void log(const QString &text, bool isHTML=false)
 	{
-		if(logCallback)
-			(*logCallback)(logTextBrowser, text, isHTML);
+		if(uiCallback)
+			uiCallback->logText(text, isHTML);
 	}
 
 
@@ -128,7 +134,7 @@ private:
 	QWidget				*parentWidget;	// fixme
 	bool				abortOperation;	// FIXME: No GUI for it yet
 
-	log_callback_t		logCallback;
+	UICallback			*uiCallback;
 	QTextBrowser		*logTextBrowser;
 	QString				currentWorkspace;
 	QString				fossilPath;		// The value from the settings

src/MainWindow.cpp

@@ -80,6 +80,7 @@ static QStringMap MakeKeyValues(QStringList lines)
 }
 
 
+#ifndef BRIDGE_ENABLED
 ///////////////////////////////////////////////////////////////////////////////
 class ScopedStatus
 {
@@ -99,6 +100,7 @@ private:
 	Ui::MainWindow *ui;
 	QProgressBar *progressBar;
 };
+#endif
 
 ///////////////////////////////////////////////////////////////////////////////
 MainWindow::MainWindow(Settings &_settings, QWidget *parent, QString *workspacePath) :
@@ -216,8 +218,9 @@ MainWindow::MainWindow(Settings &_settings, QWidget *parent, QString *workspaceP
 	viewMode = VIEWMODE_TREE;
 
 #ifdef BRIDGE_ENABLED
+	uiCallback.init(this);
 	// Need to be before applySettings which sets the last workspace
-	bridge.Init(this, &log, ui->textBrowser, "", "");
+	bridge.Init(this, &uiCallback, ui->textBrowser, "", "");
 #endif
 
 	applySettings();
@@ -2959,3 +2962,28 @@ void MainWindow::fullRefresh()
 	// Select the Root of the tree to update the file view
 	selectRootDir();
 }
+
+#ifdef BRIDGE_ENABLED
+//------------------------------------------------------------------------------
+void MainWindow::MainWinUICallback::logText(const QString& text, bool isHTML)
+{
+	Q_ASSERT(mainWindow);
+	mainWindow->log(text, isHTML);
+}
+
+//------------------------------------------------------------------------------
+void MainWindow::MainWinUICallback::beginProcess(const QString& text)
+{
+	Q_ASSERT(mainWindow);
+	mainWindow->ui->statusBar->showMessage(text);
+	mainWindow->progressBar->setHidden(false);
+}
+
+//------------------------------------------------------------------------------
+void MainWindow::MainWinUICallback::endProcess()
+{
+	Q_ASSERT(mainWindow);
+	mainWindow->ui->statusBar->clearMessage();
+	mainWindow->progressBar->setHidden(true);
+}
+#endif

src/MainWindow.h

@@ -235,6 +235,29 @@ private slots:
 	void on_tableView_customContextMenuRequested(const QPoint &pos);
 
 private:
+#ifdef BRIDGE_ENABLED
+	class MainWinUICallback : public Bridge::UICallback
+	{
+	public:
+		MainWinUICallback() : mainWindow(0)
+		{}
+
+		void init(class MainWindow *mainWindow)
+		{
+			this->mainWindow = mainWindow;
+		}
+
+		virtual void logText(const QString& text, bool isHTML);
+		virtual void beginProcess(const QString& text);
+		virtual void endProcess();
+
+	private:
+		class MainWindow *mainWindow;
+	};
+#endif
+
+	friend class MainWinUICallback;
+
 	enum
 	{
 		MAX_RECENT=5
@@ -262,6 +285,7 @@ private:
 	void				setRepositoryFile(const QString &filename) { repositoryFile = filename; }
 	const QString &		getProjectName() const { return projectName; }
 #else
+	MainWinUICallback		uiCallback;
 	Bridge				bridge;
 	const QString &		getProjectName() const { return bridge.getProjectName(); }
 	const QString &		getRepositoryFile() const { return bridge.getRepositoryFile(); }