From: Drew Fisher <drew.m.fisher@gmail.com>
Date: Fri, 8 Oct 2010 15:39:04 +0000 (-0700)
Subject: Make the slider change the present view of where we are in time.
X-Git-Url: http://git.zarvox.org/shortlog?a=commitdiff_plain;h=185d14a718213acb95df916ac477b4451be21d78;p=shareboard.git

Make the slider change the present view of where we are in time.
---

diff --git a/mainwindow.cpp b/mainwindow.cpp
index fb8669e..5caf77a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -39,6 +39,11 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent) {
 	QObject::connect(colorAction, SIGNAL(triggered()), this, SLOT(chooseColor()));
 	QObject::connect(clearAction, SIGNAL(triggered()), this, SLOT(clearBoard()));
 
+	QObject::connect(board, SIGNAL(rangeChanged(int)), this, SLOT(updateSliderRange(int)));
+	QObject::connect(board, SIGNAL(indexChanged(int)), sliderWidget, SLOT(setValue(int)));
+	QObject::connect(sliderWidget, SIGNAL(valueChanged(int)), board, SLOT(jumpToIndex(int)));
+
+
 	statusBar()->showMessage("Ready");
 }
 
@@ -46,6 +51,10 @@ MainWindow::~MainWindow() {
 
 }
 
+void MainWindow::updateSliderRange(int newmax) {
+	sliderWidget->setRange(0, newmax);
+}
+
 void MainWindow::chooseColor() {
 	lineColor = QColorDialog::getColor(lineColor, this, "Choose drawing color");
 	// update pixmap
@@ -166,7 +175,7 @@ void MainWindow::createToolBars() {
 	// Create the history UI elements.
 	QAction* restartAction = new QAction(QIcon("icons/rewind.png"), "Replay History", this);
 	QAction* playAction = new QAction(QIcon("icons/play.png"), "Play", this);
-	QSlider* sliderWidget = new QSlider(Qt::Horizontal, this);
+	sliderWidget = new QSlider(Qt::Horizontal, this);
 
 	toolBar = addToolBar("Test");
 	toolBar->setMovable(false);
diff --git a/mainwindow.h b/mainwindow.h
index 9437980..cb82b6a 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -11,6 +11,7 @@ class ConnectionManager;
 class Shareboard;
 class Action;
 class QSpinBox;
+class QSlider;
 
 class MainWindow : public QMainWindow {
 	Q_OBJECT
@@ -28,6 +29,7 @@ public slots:
 	void chooseColor();
 	void clearBoard();
 	void marshallAction(Action* action);
+	void updateSliderRange(int newmax);
 private:
 	void createActions();
 	void createMenus();
@@ -41,6 +43,7 @@ private:
 	QAction* colorAction;
 	QAction* clearAction;
 	QSpinBox* spinboxWidget;
+	QSlider* sliderWidget;
 	ConnectionManager* connMan;
 //	HistoryManager* historyManager;
 	Shareboard* board;
diff --git a/shareboard.cpp b/shareboard.cpp
index 9240ea3..5ecc324 100644
--- a/shareboard.cpp
+++ b/shareboard.cpp
@@ -69,6 +69,7 @@ void Shareboard::postAction(Action* action) {
 		localHistory.removeFirst();
 	}
 	history.append(action);
+	emit rangeChanged(history.size());
 	jumpToIndex(history.size()); // Jump to the most recent state
 }
 
@@ -153,4 +154,5 @@ void Shareboard::jumpToIndex(int index) {
 	}
 	p.end();
 	canvas->update();
+	emit indexChanged(viewIndex);
 }
diff --git a/shareboard.h b/shareboard.h
index 67db295..28ab258 100644
--- a/shareboard.h
+++ b/shareboard.h
@@ -32,6 +32,8 @@ class Shareboard : public QWidget {
 		//void jumpToTime(QDateTime time);
 
 	signals:
+		void rangeChanged(int max);
+		void indexChanged(int index);
 		void connectToServer(QString, QString);
 		void actionHappened(Action* action);