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//===========================================
// Lumina-DE source code
// Copyright (c) 2014-2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "MainUI.h"
#include "ui_MainUI.h"
#include <LuminaX11.h>
#include <QMessageBox>
MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI){
ui->setupUi(this); //load the designer file
mousegrabbed = false;
XCB = new LXCB();
IMG = new ImageEditor(this);
ui->scrollArea->setWidget(IMG);
ppath = QDir::homePath();
ui->label_zoom_percent->setMinimumWidth( ui->label_zoom_percent->fontMetrics().width("200%") );
setupIcons();
ui->spin_monitor->setMaximum(QApplication::desktop()->screenCount());
if(ui->spin_monitor->maximum()<2){
ui->spin_monitor->setEnabled(false);
ui->radio_monitor->setEnabled(false);
}
scaleTimer = new QTimer(this);
scaleTimer->setSingleShot(true);
scaleTimer->setInterval(200); //~1/5 second
//Setup the connections
connect(ui->tool_save, SIGNAL(clicked()), this, SLOT(saveScreenshot()) );
connect(ui->actionSave_As, SIGNAL(triggered()), this, SLOT(saveScreenshot()) );
connect(ui->tool_quicksave, SIGNAL(clicked()), this, SLOT(quicksave()) );
connect(ui->actionQuick_Save, SIGNAL(triggered()), this, SLOT(quicksave()) );
connect(ui->actionClose, SIGNAL(triggered()), this, SLOT(closeApplication()) );
connect(ui->push_snap, SIGNAL(clicked()), this, SLOT(startScreenshot()) );
connect(ui->actionTake_Screenshot, SIGNAL(triggered()), this, SLOT(startScreenshot()) );
connect(ui->tool_crop, SIGNAL(clicked()), IMG, SLOT(cropImage()) );
connect(IMG, SIGNAL(selectionChanged(bool)), this, SLOT(imgselchanged(bool)) );
connect(IMG, SIGNAL(scaleFactorChanged(int)), this, SLOT(imgScalingChanged(int)) );
connect(ui->slider_zoom, SIGNAL(valueChanged(int)), this, SLOT(sliderChanged()) );
connect(scaleTimer, SIGNAL(timeout()), this, SLOT(imgScalingChanged()) );
settings = new QSettings("lumina-desktop", "lumina-screenshot",this);
if(settings->value("screenshot-target", "window").toString() == "window") {
ui->radio_window->setChecked(true);
}else{
ui->radio_all->setChecked(true);
}
ui->spin_delay->setValue(settings->value("screenshot-delay", 0).toInt());
ui->tool_resize->setVisible(false); //not implemented yet
this->show();
IMG->setDefaultSize(ui->scrollArea->maximumViewportSize());
IMG->LoadImage( QApplication::screens().at(0)->grabWindow(QApplication::desktop()->winId()).toImage() ); //initial screenshot
lastScreenShot = QDateTime::currentDateTime();
//ui->label_screenshot->setPixmap( cpic.scaled(ui->label_screenshot->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation) );
}
MainUI::~MainUI(){}
void MainUI::setupIcons(){
//Setup the icons
ui->tool_save->setIcon( LXDG::findIcon("document-save","") );
ui->tool_quicksave->setIcon( LXDG::findIcon("document-edit","") );
ui->actionSave_As->setIcon( LXDG::findIcon("document-save-as","") );
ui->actionQuick_Save->setIcon( LXDG::findIcon("document-save","") );
ui->actionClose->setIcon( LXDG::findIcon("application-exit","") );
ui->push_snap->setIcon( LXDG::findIcon("camera-web","") );
ui->actionTake_Screenshot->setIcon( LXDG::findIcon("camera-web","") );
ui->tool_crop->setIcon( LXDG::findIcon("transform-crop","") );
ui->tool_resize->setIcon( LXDG::findIcon("transform-scale","") );
//ui->actionEdit->setIcon( LXDG::findIcon("applications-graphics","") );
}
void MainUI::showSaveError(QString path){
QMessageBox::warning(this, tr("Could not save screenshot"), tr("The screenshot could not be saved. Please check directory permissions or pick a different directory")+"\n\n"+path);
}
//==============
// PRIVATE SLOTS
//==============
void MainUI::saveScreenshot(){
if(mousegrabbed){ return; }
QString filepath = QFileDialog::getSaveFileName(this, tr("Save Screenshot"), ppath+"/"+QString( "Screenshot-%1.png" ).arg( lastScreenShot.toString("yyyy-MM-dd-hh-mm-ss")), tr("PNG Files (*.png);;AllFiles (*)") );
if(filepath.isEmpty()){ return; }
if(!filepath.endsWith(".png")){ filepath.append(".png"); }
if( !IMG->image().save(filepath, "png") ){
showSaveError(filepath);
}else{
ppath = filepath.section("/",0,-2); //just the directory
}
}
void MainUI::quicksave(){
if(mousegrabbed){ return; }
QString savedir = QDir::homePath()+"/";
if(QFile::exists(savedir + "Pictures/")){ savedir.append("Pictures/"); }
else if(QFile::exists(savedir + "Images/")){ savedir.append("Images/"); }
QString path = savedir + QString( "Screenshot-%1.png" ).arg( lastScreenShot.toString("yyyy-MM-dd-hh-mm-ss") );
if(IMG->image().save(path, "png") ){
QProcess::startDetached("lumina-open \""+path+"\"");
}else{
showSaveError(path);
}
}
void MainUI::startScreenshot(){
if(mousegrabbed){ return; }
lastgeom = this->geometry();
if( !getWindow() ){ return; }
this->hide();
QTimer::singleShot(50+ui->spin_delay->value()*1000, this, SLOT(getPixmap()));
}
void MainUI::imgselchanged(bool hassel){
ui->tool_crop->setEnabled(hassel);
ui->tool_resize->setEnabled(hassel);
}
void MainUI::imgScalingChanged(int percent){
//qDebug() << "Scale Changed:" << percent;
if(percent<0){
//Changed by user interaction
IMG->setScaling(ui->slider_zoom->value());
}else{
ui->slider_zoom->setValue(percent);
}
ui->label_zoom_percent->setText( QString::number(ui->slider_zoom->value())+"%");
}
void MainUI::sliderChanged(){
ui->label_zoom_percent->setText( QString::number(ui->slider_zoom->value())+"%");
scaleTimer->start();
}
bool MainUI::getWindow(){
//Use this function to set cwin
cwin = 0;
//Save all the current settings for later
settings->setValue("screenshot-delay", ui->spin_delay->value());
if(ui->radio_window->isChecked()){
settings->setValue("screenshot-target", "window");
this->grabMouse( QCursor(Qt::CrossCursor) );
mousegrabbed = true;
this->centralWidget()->setEnabled(false);
//this->hide();
return false; //wait for the next click to continue
}else if(ui->radio_monitor->isChecked()){
//will auto-grab the proper monitor later
}else{
settings->setValue("screenshot-target", "desktop");
}
return true;
}
void MainUI::getPixmap(){
QScreen *scrn = QApplication::screens().at(0);
QPixmap cpic;
if( (cwin==0 && ui->radio_window->isChecked() ) || ui->radio_all->isChecked() ){
//Grab the whole screen
cpic = scrn->grabWindow(QApplication::desktop()->winId());
}else if(cwin==0 && ui->radio_monitor->isChecked()){
QRect geom = QApplication::desktop()->screenGeometry(ui->spin_monitor->value()-1);
cpic = scrn->grabWindow(QApplication::desktop()->winId(), geom.x(), geom.y(), geom.width(), geom.height() );
}else{
//Grab just the designated window
if(ui->check_frame->isChecked()){
QRect geom = XCB->WindowGeometry(cwin, true); //include the frame
cpic = scrn->grabWindow(QApplication::desktop()->winId(), geom.x(), geom.y(), geom.width(), geom.height() );
}else{
cpic = scrn->grabWindow(cwin);
}
}
this->show();
this->setGeometry(lastgeom);
lastScreenShot = QDateTime::currentDateTime();
//Now display the pixmap on the label as well
IMG->LoadImage( cpic.toImage() );
}
void MainUI::mouseReleaseEvent(QMouseEvent *ev){
if(mousegrabbed){
mousegrabbed = false;
this->centralWidget()->setEnabled(true);
this->releaseMouse();
//In the middle of selecting a window to take a screenshot
// Get the window underneath the mouse click and take the screenshot
QList<WId> wins = XCB->WindowList();
QList<WId> stack = XCB->WM_Get_Client_List(true);
cwin = 0;
//qDebug() << "Try to select window:" << ev->globalPos();
//for(int i=0; i<stack.length(); i++){
for(int i=stack.length()-1; i>=0 && cwin==0; i--){ //work top->bottom in the stacking order
if(!wins.contains(stack[i])){ continue; }
if( XCB->WindowGeometry(stack[i], true).contains(ev->globalPos()) && XCB->WindowState(stack[i])!=LXCB::INVISIBLE ){
qDebug() << "Found Window:" << i << XCB->WindowClass(stack[i]);
cwin = stack[i];
}
}
qDebug() << " - Got window:" << cwin;
if(cwin==this->winId()){ return; } //cancelled
this->hide();
QTimer::singleShot(50+ui->spin_delay->value()*1000, this, SLOT(getPixmap()));
}else{
QMainWindow::mouseReleaseEvent(ev); //normal processing
}
}
void MainUI::resizeEvent(QResizeEvent*){
IMG->setDefaultSize( ui->scrollArea->maximumViewportSize() );
}
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