shareboardcanvas.cpp

   1 #include "shareboardcanvas.h"
   2 #include <QMouseEvent>
   3 #include <QPaintEvent>
   4 #include <QPainter>
   5 #include <QPixmap>
   6 #include <QDebug>
   7 #include "shareboard.h"
   8
   9 ShareboardCanvas::ShareboardCanvas(QWidget* parent) : QWidget(parent) {
  10         setMinimumSize(640,480);
  11         setMouseTracking(true);
  12         mouseDown = false;
  13 }
  14
  15 ShareboardCanvas::~ShareboardCanvas() {
  16 }
  17
  18 void ShareboardCanvas::setModel(Shareboard* b) {
  19         board = b;
  20 }
  21
  22 void ShareboardCanvas::mouseMoveEvent(QMouseEvent* event) {
  23         // Send mouse move event to network thread
  24         emit mouseMovedTo(event->posF());
  25         // If the button is down
  26         if(mouseDown) {
  27                 emit segmentDrawn(dragPath.last(), event->posF());
  28                 dragPath.append(event->posF());
  29         }
  30         // Trigger a repaint
  31         update();
  32 }
  33
  34 void ShareboardCanvas::mousePressEvent(QMouseEvent* event) {
  35         if(event->button() & Qt::LeftButton) {
  36                 mouseDown = true;
  37                 dragPath.append(event->posF()); // We're starting a new drag path
  38         }
  39         //
  40 }
  41
  42 void ShareboardCanvas::mouseReleaseEvent(QMouseEvent* event) {
  43         if(event->button() & Qt::LeftButton) {
  44                 mouseDown = false;
  45                 qDebug() << dragPath.size() << "mouse move events counted this drag";
  46                 // Depending on the tool, we now dispatch different types of events
  47                 dragPath.clear(); // Clear the path; we're no longer tracking a drag
  48         }
  49 }
  50
  51 void ShareboardCanvas::paintEvent(QPaintEvent* event) {
  52         Q_UNUSED(event)
  53         QPainter p(this);
  54         // Paint the background from the saved state
  55         p.drawImage(0, 0, board->view());
  56         //qDebug() << "ShareboardCanvas:" << board->view().rect();
  57         //qDebug() << "ShareboardCanvas:" << board->viewIndex;
  58         // Now paint our local changes on top of it
  59
  60         //p.set
  61         // Now paint the set of mouse cursors on top of that
  62 }