From: Drew Fisher <drew.m.fisher@gmail.com>
Date: Fri, 8 Oct 2010 09:21:19 +0000 (-0700)
Subject: Implement user-chosen line width and color.
X-Git-Url: http://git.zarvox.org/%24c%5B5%5D?a=commitdiff_plain;h=04cae22e1d71963759eac783d936bd65db082254;p=shareboard.git

Implement user-chosen line width and color.
---

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 2387d4d..cdc3b7d 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -3,6 +3,7 @@
 #include <QApplication>
 #include <QFile>
 #include <QFileDialog>
+#include <QColorDialog>
 #include <QLabel>
 #include <QMenuBar>
 #include <QStatusBar>
@@ -19,6 +20,7 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent) {
 	createActions();
 	createMenus();
 
+	lineColor = Qt::blue;
 	createToolBars();
 
 	board = new Shareboard(this);
@@ -34,6 +36,8 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent) {
 	QObject::connect(connMan, SIGNAL(error(QString)), this, SLOT(showError(QString)));
 	QObject::connect(board, SIGNAL(actionHappened(Action*)), this, SLOT(marshallAction(Action*)));
 
+	QObject::connect(colorAction, SIGNAL(triggered()), this, SLOT(chooseColor()));
+
 	statusBar()->showMessage("Ready");
 }
 
@@ -41,6 +45,14 @@ MainWindow::~MainWindow() {
 
 }
 
+void MainWindow::chooseColor() {
+	lineColor = QColorDialog::getColor(lineColor, this, "Choose drawing color");
+	// update pixmap
+	QPixmap pixmap(16, 16);
+	pixmap.fill(lineColor);
+	colorAction->setIcon(QIcon(pixmap));
+}
+
 void MainWindow::load() {
 	QString fileName = QFileDialog::getOpenFileName(this, "Load saved board:", ".", "Shareboards (*.board)");
 	if(fileName.isEmpty()) {
@@ -91,8 +103,8 @@ void MainWindow::marshallAction(Action* action) {
 		case Action::DrawLine: // set the action's thickness, color
 			{
 				DrawLineAction* a = static_cast<DrawLineAction*>(action);
-				a->color = Qt::blue;
-				a->width = 3;
+				a->color = lineColor;
+				a->width = spinboxWidget->value();
 			}
 			break;
 		default: break;
@@ -136,14 +148,14 @@ void MainWindow::createToolBars() {
 	QAction* clearAction = new QAction(QIcon("icons/clear.png"), "Clear", this);
 
 	// Style
-	QSpinBox* spinboxWidget = new QSpinBox(this);
+	spinboxWidget = new QSpinBox(this);
 	spinboxWidget->setMinimum(4);
 	spinboxWidget->setMaximum(40);
 
 
 	QPixmap pixmap(16, 16);
-	pixmap.fill(QColor(0, 0, 255));
-	QAction* colorAction = new QAction(QIcon(pixmap), "Select Color", this);
+	pixmap.fill(lineColor);
+	colorAction = new QAction(QIcon(pixmap), "Select Color", this);
 
 	// Create the history UI elements.
 	QAction* restartAction = new QAction(QIcon("icons/rewind.png"), "Replay History", this);
diff --git a/mainwindow.h b/mainwindow.h
index 867bd6c..6914f30 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -2,6 +2,7 @@
 #define __MAINWINDOW_H__
 
 #include <QMainWindow>
+#include <QColor>
 
 class QMenu;
 class QAction;
@@ -9,6 +10,7 @@ class ConnectWidget;
 class ConnectionManager;
 class Shareboard;
 class Action;
+class QSpinBox;
 
 class MainWindow : public QMainWindow {
 	Q_OBJECT
@@ -23,6 +25,7 @@ public slots:
 	void switchToBoard();
 	void switchToConnect();
 	void showError(QString error);
+	void chooseColor();
 	void marshallAction(Action* action);
 private:
 	void createActions();
@@ -34,10 +37,13 @@ private:
 	QAction* loadPastAction;
 	QAction* saveAction;
 	QAction* quitAction;
+	QAction* colorAction;
+	QSpinBox* spinboxWidget;
 	ConnectionManager* connMan;
 //	HistoryManager* historyManager;
 	Shareboard* board;
 	ConnectWidget* prompt;
+	QColor lineColor;
 };
 
 #endif // __MAINWINDOW_H__
diff --git a/shareboard.cpp b/shareboard.cpp
index 41f39f4..930ac30 100644
--- a/shareboard.cpp
+++ b/shareboard.cpp
@@ -25,7 +25,7 @@ Shareboard::Shareboard(QWidget* parent) : QWidget(parent) {
 	userID = -1;
 	viewIndex = 0;
 	viewImage = QImage(1024,768,QImage::Format_ARGB32_Premultiplied);
-	viewImage.fill(Qt::white);
+	viewImage.fill(QColor(Qt::white).rgb());
 
 	QObject::connect(prompt, SIGNAL(connectToServer(QString, QString)), this, SIGNAL(connectToServer(QString, QString)));
 	QObject::connect(canvas, SIGNAL(mouseMovedTo(QPointF)), this, SLOT(handleMouseMoved(QPointF)));
@@ -93,7 +93,7 @@ void Shareboard::jumpToIndex(int index) {
 	int i = 0;
 	if(index < viewIndex) {
 		viewImage = QImage(1024,768,QImage::Format_ARGB32_Premultiplied);
-		viewImage.fill(Qt::white);
+		viewImage.fill(QColor(Qt::white).rgb());
 		viewCursors.clear();
 		viewUsers.clear();
 	} else {
@@ -149,38 +149,3 @@ void Shareboard::jumpToIndex(int index) {
 	p.end();
 	canvas->update();
 }
-/*
-void Shareboard::jumpToTime(QDateTime time) {
-	int i = 0;
-	if(time < viewTime) {
-		// Start from a blank pixmap, trace through all changes up until time
-		viewImage = QImage(1024,768,QImage::Format_ARGB32_Premultiplied);
-		viewImage.fill(Qt::white);
-		viewCursors.clear();
-	} else {
-		while(i < history.size() && history[i]->timestamp <= viewTime)
-			i++;
-	}
-	QPainter p;
-	p.begin(&viewImage);
-	// Now, i matches either the beginning of time or the entry for the currently-rendered pixmap,
-	// whichever is more useful
-	// Now, apply all actions from i until time
-	while(i < history.size() && history[i]->timestamp <= time) {
-	}
-	qDebug() << "i is at" << i << "of" << history.size();
-	p.end();
-	qDebug() << "cursors:" << viewCursors;
-}
-*/
-
-/*
-QPixmap renderAtTime(QDateTime time) {
-	QPixmap pixmap;
-	return pixmap;
-}
-
-QPixmap renderOneChange() {
-	
-}
-*/
diff --git a/shareboardcanvas.cpp b/shareboardcanvas.cpp
index faebffa..af45aeb 100644
--- a/shareboardcanvas.cpp
+++ b/shareboardcanvas.cpp
@@ -61,7 +61,9 @@ void ShareboardCanvas::paintEvent(QPaintEvent* event) {
 	// Now paint the set of mouse cursors on top of that
 	QMap<int, QPointF>::const_iterator i;
 	for (i = board->viewCursors.constBegin(); i!=board->viewCursors.constEnd(); ++i) {
-		p.setPen(QPen(QColor(255,0,0,50)));
+		QPen pen(QColor(255,0,0,50));
+		pen.setCapStyle(Qt::RoundCap);
+		p.setPen(pen);
 		p.setBrush(QBrush(QColor(255,0,0,50)));
 		p.drawEllipse(i.value(),4,4);
 		p.setPen(Qt::black);