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https://github.com/creyD/intelliphoto.git
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Muckes zeug
This commit is contained in:
Jan Schuffenhauer
412
IntelliPhoto/Painting/GUI/IntelliPhotoGui.cpp
Normal file
412
IntelliPhoto/Painting/GUI/IntelliPhotoGui.cpp
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// ---------- IntelliPhotoGui.cpp ----------
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#include <QtWidgets>
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#include <QPixmap>
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#include "IntelliPhotoGui.h"
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#include "Layer/PaintingArea.h"
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// IntelliPhotoGui constructor
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IntelliPhotoGui::IntelliPhotoGui()
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{
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//create Gui elemnts and lay them out
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createGui();
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// Create actions
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createActions();
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//create Menus
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createMenus();
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//set style of the gui
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setIntelliStyle();
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// Size the app
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resize(500, 500);
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}
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// User tried to close the app
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void IntelliPhotoGui::closeEvent(QCloseEvent *event)
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{
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// If they try to close maybeSave() returns true
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// if no changes have been made and the app closes
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if (maybeSave()) {
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event->accept();
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} else {
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// If there have been changes ignore the event
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event->ignore();
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}
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}
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// Check if the current image has been changed and then
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// open a dialog to open a file
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void IntelliPhotoGui::open()
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{
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// Check if changes have been made since last save
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// maybeSave() returns true if no changes have been made
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if (maybeSave()) {
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// Get the file to open from a dialog
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// tr sets the window title to Open File
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// QDir opens the current dirctory
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QString fileName = QFileDialog::getOpenFileName(this,
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tr("Open File"), QDir::currentPath());
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// If we have a file name load the image and place
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// it in the paintingArea
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if (!fileName.isEmpty())
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paintingArea->openImage(fileName);
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}
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}
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// Called when the user clicks Save As in the menu
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void IntelliPhotoGui::save()
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{
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// A QAction represents the action of the user clicking
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QAction *action = qobject_cast<QAction *>(sender());
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// Stores the array of bytes of the users data
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QByteArray fileFormat = action->data().toByteArray();
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// Pass it to be saved
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saveFile(fileFormat);
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}
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// Opens a dialog to change the pen color
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void IntelliPhotoGui::penColor()
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{
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// Store the chosen color from the dialog
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QColor newColor = QColorDialog::getColor(paintingArea->penColor());
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// If a valid color set it
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if (newColor.isValid())
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paintingArea->setPenColor(newColor);
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}
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// Opens a dialog that allows the user to change the pen width
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void IntelliPhotoGui::penWidth()
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{
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// Stores button value
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bool ok;
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// tr("Painting") is the title
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// the next tr is the text to display
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// Get the current pen width
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// Define the min, max, step and ok button
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int newWidth = QInputDialog::getInt(this, tr("Painting"),
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tr("Select pen width:"),
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paintingArea->penWidth(),
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1, 500, 1, &ok);
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// Change the pen width
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if (ok)
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paintingArea->setPenWidth(newWidth);
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}
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// Open an about dialog
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void IntelliPhotoGui::about()
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{
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// Window title and text to display
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QMessageBox::about(this, tr("About Painting"),
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tr("<p><b>IntelliPhoto</b> Some nice ass looking software</p>"));
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}
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void IntelliPhotoGui::onSetAlpha(){
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int a = this->setAlphaEdit->text().toInt();
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emit this->sendAlpha(a);
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}
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void IntelliPhotoGui::onMoveUp(){
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int a = 5;
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emit this->moveUp(a);
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}
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void IntelliPhotoGui::onMoveDown(){
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int a = 5;
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emit this->moveDown(a);
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}
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void IntelliPhotoGui::onMoveLeft(){
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int a = 5;
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emit this->moveLeft(a);
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}
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void IntelliPhotoGui::onMoveRight(){
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int a = 5;
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emit this->moveRight(a);
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}
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void IntelliPhotoGui::onMoveLayerUp(){
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emit this->moveLayerUp();
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}
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void IntelliPhotoGui::onMoveLayerDown(){
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emit this->moveLayerDown();
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}
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void IntelliPhotoGui::onClearedPressed(){
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int r = this->RedEdit->text().toInt();
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int g = this->GreenEdit->text().toInt();
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int b = this->BlueEdit->text().toInt();
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emit this->sendClearColor(r,g,b);
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}
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void IntelliPhotoGui::onActivePressed(){
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int a = this->selectActiveEdit->text().toInt();
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emit this->sendActiveLayer(a);
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};
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// Define menu actions that call functions
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void IntelliPhotoGui::createActions()
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{
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//connect signal and slots of gui element
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connect(this->clearButton, SIGNAL(clicked()), this, SLOT(onClearedPressed()));
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connect(this, SIGNAL(sendClearColor(int,int,int)), paintingArea, SLOT(clearImage(int, int, int)));
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connect(this->selectActiveButton, SIGNAL(clicked()), this, SLOT(onActivePressed()));
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connect(this, SIGNAL(sendActiveLayer(int)),paintingArea, SLOT(activate(int)));
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connect(this->setAlphaButton, SIGNAL(clicked()), this, SLOT(onSetAlpha()));
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connect(this, SIGNAL(sendAlpha(int)), paintingArea, SLOT(setAlpha(int)));
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connect(this->moveActiveUpButton, SIGNAL(clicked()), this, SLOT(onMoveUp()));
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connect(this, SIGNAL(moveUp(int)), paintingArea, SLOT(getMoveUp(int)));
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connect(this->moveActiveDownButton, SIGNAL(clicked()), this, SLOT(onMoveDown()));
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connect(this, SIGNAL(moveDown(int)), paintingArea, SLOT(getMoveDown(int)));
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connect(this->moveActiveLeftButton, SIGNAL(clicked()), this, SLOT(onMoveLeft()));
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connect(this, SIGNAL(moveLeft(int)), paintingArea, SLOT(getMoveLeft(int)));
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connect(this->moveActiveRightButton, SIGNAL(clicked()), this, SLOT(onMoveRight()));
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connect(this, SIGNAL(moveRight(int)), paintingArea, SLOT(getMoveRight(int)));
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connect(this->layerMoveActiveDownButton, SIGNAL(clicked()), this, SLOT(onMoveLayerDown()));
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connect(this, SIGNAL(moveLayerDown()), paintingArea, SLOT(getMoveLayerDown()));
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connect(this->layerMoveActiveUpButton, SIGNAL(clicked()), this, SLOT(onMoveLayerUp()));
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connect(this, SIGNAL(moveLayerUp()), paintingArea, SLOT(getMoveLayerUp()));
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// Create the action tied to the menu
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openAct = new QAction(tr("&Open..."), this);
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// Define the associated shortcut key
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openAct->setShortcuts(QKeySequence::Open);
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// Tie the action to IntelliPhotoGui::open()
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connect(openAct, SIGNAL(triggered()), this, SLOT(open()));
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// Get a list of the supported file formats
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// QImageWriter is used to write images to files
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foreach (QByteArray format, QImageWriter::supportedImageFormats()) {
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QString text = tr("%1...").arg(QString(format).toUpper());
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// Create an action for each file format
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QAction *action = new QAction(text, this);
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// Set an action for each file format
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action->setData(format);
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// When clicked call IntelliPhotoGui::save()
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connect(action, SIGNAL(triggered()), this, SLOT(save()));
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// Attach each file format option menu item to Save As
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saveAsActs.append(action);
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}
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// Create exit action and tie to IntelliPhotoGui::close()
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exitAct = new QAction(tr("&Exit"), this);
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exitAct->setShortcuts(QKeySequence::Quit);
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connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
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// Create pen color action and tie to IntelliPhotoGui::penColor()
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penColorAct = new QAction(tr("&Pen Color..."), this);
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connect(penColorAct, SIGNAL(triggered()), this, SLOT(penColor()));
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// Create pen width action and tie to IntelliPhotoGui::penWidth()
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penWidthAct = new QAction(tr("Pen &Width..."), this);
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connect(penWidthAct, SIGNAL(triggered()), this, SLOT(penWidth()));
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// Create clear screen action and tie to IntelliPhotoGui::clearImage()
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clearScreenAct = new QAction(tr("&Clear Screen"), this);
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clearScreenAct->setShortcut(tr("Ctrl+L"));
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connect(clearScreenAct, SIGNAL(triggered()),
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paintingArea, SLOT(clearImage()));
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// Create about action and tie to IntelliPhotoGui::about()
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aboutAct = new QAction(tr("&About"), this);
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connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
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// Create about Qt action and tie to IntelliPhotoGui::aboutQt()
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aboutQtAct = new QAction(tr("About &Qt"), this);
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connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
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}
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// Create the menubar
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void IntelliPhotoGui::createMenus()
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{
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// Create Save As option and the list of file types
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saveAsMenu = new QMenu(tr("&Save As"), this);
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foreach (QAction *action, saveAsActs)
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saveAsMenu->addAction(action);
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// Attach all actions to File
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fileMenu = new QMenu(tr("&File"), this);
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fileMenu->addAction(openAct);
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fileMenu->addMenu(saveAsMenu);
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fileMenu->addSeparator();
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fileMenu->addAction(exitAct);
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// Attach all actions to Options
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optionMenu = new QMenu(tr("&Options"), this);
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optionMenu->addAction(penColorAct);
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optionMenu->addAction(penWidthAct);
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optionMenu->addSeparator();
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optionMenu->addAction(clearScreenAct);
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// Attach all actions to Help
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helpMenu = new QMenu(tr("&Help"), this);
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helpMenu->addAction(aboutAct);
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helpMenu->addAction(aboutQtAct);
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// Add menu items to the menubar
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menuBar()->addMenu(fileMenu);
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menuBar()->addMenu(optionMenu);
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menuBar()->addMenu(helpMenu);
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}
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void IntelliPhotoGui::createGui(){
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//create a central widget to work on
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centralGuiWidget = new QWidget(this);
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setCentralWidget(centralGuiWidget);
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//create the grid for the layout
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mainLayout = new QGridLayout(centralGuiWidget);
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centralGuiWidget->setLayout(mainLayout);
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//create Gui elements
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clearButton = new QPushButton("set Color");
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paintingArea = new PaintingArea();
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RedLabel = new QLabel("Red:");
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GreenLabel = new QLabel("Green");
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BlueLabel = new QLabel("Blue:");
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RedEdit = new QLineEdit("255");
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GreenEdit = new QLineEdit("255");
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BlueEdit = new QLineEdit("255");;
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RedEdit->setMaximumSize(150,20);
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GreenEdit->setMaximumSize(150,20);
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BlueEdit->setMaximumSize(150,20);
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selectActiveButton = new QPushButton("select Active");
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selectActiveLabel = new QLabel("Active:");
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selectActiveEdit = new QLineEdit("0");
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selectActiveLabel->setMaximumSize(150,20);
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selectActiveEdit->setMaximumSize(150,20);
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setAlphaButton = new QPushButton("set Alpha");
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setAlphaLabel = new QLabel("Alpha:");
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setAlphaEdit = new QLineEdit("255");
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setAlphaEdit->setMaximumSize(150,20);
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moveActiveUpButton = new QPushButton("move 5 Up");
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moveActiveDownButton = new QPushButton("move 5 Down");
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moveActiveLeftButton = new QPushButton("move 5 Left");
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moveActiveRightButton = new QPushButton("move 5 Right");
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layerMoveActiveDownButton = new QPushButton("Active Layer Down");
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layerMoveActiveUpButton = new QPushButton("Active Layer Up");
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//set gui elemtns position
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mainLayout->addWidget(clearButton,0,25,1,1);
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mainLayout->addWidget(paintingArea,0,0,25,25);
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mainLayout->addWidget(RedLabel,1,25,1,1);
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mainLayout->addWidget(RedEdit,2,25,1,1);
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mainLayout->addWidget(GreenLabel,3,25,1,1);
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mainLayout->addWidget(GreenEdit,4,25,1,1);
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mainLayout->addWidget(BlueLabel,5,25,1,1);
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mainLayout->addWidget(BlueEdit,6,25,1,1);
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mainLayout->addWidget(selectActiveButton,7,25,1,1);
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mainLayout->addWidget(selectActiveLabel,8,25,1,1);
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mainLayout->addWidget(selectActiveEdit,9,25,1,1);
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mainLayout->addWidget(setAlphaButton,10,25,1,1);
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mainLayout->addWidget(setAlphaLabel,11,25,1,1);
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mainLayout->addWidget(setAlphaEdit,12,25,1,1);
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mainLayout->addWidget(moveActiveUpButton,13,25,1,1);
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mainLayout->addWidget(moveActiveDownButton,14,25,1,1);
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mainLayout->addWidget(moveActiveLeftButton,15,25,1,1);
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mainLayout->addWidget(moveActiveRightButton,16,25,1,1);
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mainLayout->addWidget(layerMoveActiveDownButton,17,25,1,1);
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mainLayout->addWidget(layerMoveActiveUpButton,18,25,1,1);
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}
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void IntelliPhotoGui::setIntelliStyle(){
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// Set the title
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setWindowTitle("IntelliPhoto Prototype");
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//set style sheet
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this->setStyleSheet("background-color:rgb(64,64,64)");
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this->centralGuiWidget->setStyleSheet("color:rgb(255,255,255)");
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this->menuBar()->setStyleSheet("color:rgb(255,255,255)");
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}
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bool IntelliPhotoGui::maybeSave()
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{
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// Check for changes since last save
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if (paintingArea->isModified()) {
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QMessageBox::StandardButton ret;
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// Painting is the title
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// Add text and the buttons
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ret = QMessageBox::warning(this, tr("Painting"),
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tr("The image has been modified.\n"
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"Do you want to save your changes?"),
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QMessageBox::Save | QMessageBox::Discard
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| QMessageBox::Cancel);
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// If save button clicked call for file to be saved
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if (ret == QMessageBox::Save) {
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return saveFile("png");
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// If cancel do nothing
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} else if (ret == QMessageBox::Cancel) {
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return false;
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}
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}
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return true;
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}
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bool IntelliPhotoGui::saveFile(const QByteArray &fileFormat)
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{
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// Define path, name and default file type
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QString initialPath = QDir::currentPath() + "/untitled." + fileFormat;
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// Get selected file from dialog
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// Add the proper file formats and extensions
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QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"),
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initialPath,
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tr("%1 Files (*.%2);;All Files (*)")
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.arg(QString::fromLatin1(fileFormat.toUpper()))
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.arg(QString::fromLatin1(fileFormat)));
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// If no file do nothing
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if (fileName.isEmpty()) {
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return false;
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} else {
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// Call for the file to be saved
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return paintingArea->saveImage(fileName, fileFormat.constData());
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}
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}
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