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intelliphoto/IntelliPhoto/Painting/GUI/IntelliPhotoGui.cpp
Jan Schuffenhauer ef65bcd983 Muckes zeug
2019-12-05 17:30:41 +01:00

413 lines
13 KiB
C++

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