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//===========================================
// Lumina-DE source code
// Copyright (c) 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 <LuminaXDG.h>
#include <LUtils.h>
#include <QTimer>
MainUI::MainUI() : QMainWindow(), ui(new Ui::MainUI){
ui->setupUi(this);
loadIcons();
scaleFactor = 1/15.0; //simple default value
ui->combo_rotation->clear();
ui->combo_rotation->addItem(tr("None"), 0);
ui->combo_rotation->addItem(tr("Left"), -90);
ui->combo_rotation->addItem(tr("Right"), 90);
ui->combo_rotation->addItem(tr("Inverted"), 180);
singleTileMenu = new QMenu(this);
singleTileMenu->addAction(tr("Align Horizontally"))->setWhatsThis("X");
singleTileMenu->addAction(tr("Align Vertically"))->setWhatsThis("Y");
singleTileMenu->addAction(tr("Align Horizontal then Vertical"))->setWhatsThis("XY");
singleTileMenu->addAction(tr("Align Vertical then Horizontal"))->setWhatsThis("YX");
ui->mdiArea->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->mdiArea, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(showMenu()) );
connect(singleTileMenu, SIGNAL(triggered(QAction*)), this, SLOT(tileSingleScreen(QAction*)) );
connect(ui->push_close, SIGNAL(clicked()), this, SLOT(close()) );
connect(ui->push_rescan, SIGNAL(clicked()), this, SLOT(UpdateScreens()) );
connect(ui->push_activate, SIGNAL(clicked()), this, SLOT(ActivateScreen()) );
connect(ui->tool_deactivate, SIGNAL(clicked()), this, SLOT(DeactivateScreen()) );
connect(ui->tool_save, SIGNAL(clicked()), this, SLOT(SaveSettings()) );
connect(ui->tool_applyconfig, SIGNAL(clicked()), this, SLOT(ApplyChanges()) );
connect(ui->mdiArea, SIGNAL(subWindowActivated(QMdiSubWindow*)),this, SLOT(ScreenSelected()) );
connect(ui->tool_tileX, SIGNAL(clicked()), this, SLOT(tileScreensX()) );
connect(ui->tool_tileY, SIGNAL(clicked()), this, SLOT(tileScreensY()) );
connect(ui->tool_tile, SIGNAL(clicked()), this, SLOT(tileScreens()) );
connect(ui->combo_availscreens, SIGNAL(currentIndexChanged(int)), this, SLOT(updateNewScreenResolutions()) );
QTimer::singleShot(0, this, SLOT(UpdateScreens()) );
}
MainUI::~MainUI(){
}
void MainUI::loadIcons(){
this->setWindowIcon( LXDG::findIcon("preferences-system-windows-actions","") );
ui->tool_deactivate->setIcon( LXDG::findIcon("list-remove","") );
ui->push_activate->setIcon( LXDG::findIcon("list-add","") );
ui->push_rescan->setIcon( LXDG::findIcon("view-refresh","") );
ui->push_close->setIcon( LXDG::findIcon("window-close","") );
ui->tabWidget->setTabIcon(0, LXDG::findIcon("preferences-desktop-display","") );
ui->tabWidget->setTabIcon(1, LXDG::findIcon("list-add","") );
ui->tool_applyconfig->setIcon( LXDG::findIcon("dialog-ok-apply","") );
}
QString MainUI::currentSelection(){
QMdiSubWindow *tmp = ui->mdiArea->activeSubWindow();
if(tmp!=0){ return tmp->whatsThis(); }
else{ return ""; }
}
ScreenInfo MainUI::currentScreenInfo(){
QString item = currentSelection();
if(item!=0){
for(int i=0; i<SCREENS.length(); i++){
if(SCREENS[i].ID==item){ return SCREENS[i]; }
}
}
//Fallback when nothing found/selected
return ScreenInfo();
}
void MainUI::AddScreenToWidget(ScreenInfo screen){
//qDebug() << "Add Screen To Widget:" << screen.ID << screen.geom;
QLabel *lab = new QLabel(this);
lab->setAlignment(Qt::AlignCenter);
QMdiSubWindow *it = ui->mdiArea->addSubWindow(lab, Qt::Tool | Qt::CustomizeWindowHint | Qt::WindowTitleHint);
it->setSystemMenu(0);
it->setWindowTitle(screen.ID);
lab->setText(QString::number(screen.geom.width())+"x"+QString::number(screen.geom.height()));
it->setWhatsThis(screen.ID);
QRect scaled( screen.geom.topLeft()*scaleFactor, screen.geom.size()*scaleFactor);
//qDebug() << " - Scaled:" << scaled;
it->show();
it->setGeometry(scaled); //scale it down for the display
it->setFixedSize(scaled.size());
}
void MainUI::SyncBackend(){
QString item = currentSelection();
if(item.isEmpty()){ return; } //nothing to do
QString newres = ui->combo_resolution->currentData().toString().section("(",0,0).simplified();
if(newres.isEmpty()){ return; } //nothing to do
//qDebug() << "Apply Screen Changes" << item << "->" << newres;
//Adjust the order of the two screens
bool setprimary = ui->check_primary->isChecked();
QList<QMdiSubWindow*> windows = ui->mdiArea->subWindowList();
for(int i=0; i<SCREENS.length(); i++){
if(SCREENS[i].ID == item){
SCREENS[i].geom.setWidth(newres.section("x",0,0).toInt());
SCREENS[i].geom.setHeight(newres.section("x",1,1).toInt());
//qDebug() << " - New Geom:" << SCREENS[i].geom;
SCREENS[i].rotation = ui->combo_rotation->currentData().toInt();
}
if(setprimary){ SCREENS[i].isprimary = (SCREENS[i].ID==item); }
//Find the window associated with this screen
for(int s=0; s<windows.length(); s++){
if(windows[s]->whatsThis()==SCREENS[i].ID){
//qDebug() << "Adjust geom of window:" << SCREENS[i].geom;
SCREENS[i].geom.moveTopLeft( windows[s]->geometry().topLeft()/scaleFactor );
//qDebug() << " - New Geom:" << SCREENS[i].geom;
if(SCREENS[i].applyChange<1){ SCREENS[i].applyChange = (windows[s]->widget()->isEnabled() ? 0 : 1); } //disabled window is one that will be removed
}
}
}
}
void MainUI::UpdateScreens(){
//First probe the server for current screens
SCREENS = RRSettings::CurrentScreens();
//Determine the scale factor for putting these into the UI
QRegion tot;
for(int i=0; i<SCREENS.length(); i++){
if(SCREENS[i].isactive){ tot = tot.united( SCREENS[i].geom ); }
}
int wid = tot.boundingRect().width();
scaleFactor = (0.9*ui->mdiArea->width())/wid;
//Now go through the screens and arrange them in order from left->right in the UI
//bool found = true;
//int xoffset = 0; //start at 0
//int cnum = 0;
QString csel = currentSelection();
//Clear all the current widgets
while(ui->mdiArea->currentSubWindow()!=0 ){
QMdiSubWindow *tmp = ui->mdiArea->currentSubWindow();
tmp->widget()->deleteLater();
ui->mdiArea->removeSubWindow(tmp);
tmp->deleteLater();
}
//Now add all the active screens to the display
for(int i=0; i<SCREENS.length(); i++){
if(SCREENS[i].isactive){ AddScreenToWidget(SCREENS[i]); }
}
//Now update the available/current screens in the UI
ui->combo_availscreens->clear();
for(int i=0; i<SCREENS.length(); i++){
if(!SCREENS[i].isactive && SCREENS[i].isavailable){
ui->combo_availscreens->addItem(SCREENS[i].ID);
}
}
if(ui->combo_availscreens->count()<1){
ui->group_avail->setVisible(false);
ui->tabWidget->setCurrentIndex(0);
ui->tabWidget->setTabEnabled(1,false);
}else{
ui->group_avail->setVisible(true);
ui->tabWidget->setTabEnabled(1,true);
}
ScreenSelected(); //update buttons
updateNewScreenResolutions();
}
void MainUI::ScreenSelected(){
QString item = currentSelection();
//QListWidgetItem *item = ui->list_screens->currentItem();
if(item.isEmpty()){
//nothing selected
ui->tool_deactivate->setEnabled(false);
ui->tab_config->setEnabled(false);
}else{
//Item selected
ui->tool_deactivate->setEnabled(true);
ui->tab_config->setEnabled(true);
//Update the info available on the config tab
ScreenInfo cur = currentScreenInfo();
ui->combo_resolution->clear();
QString cres = QString::number(cur.geom.width())+"x"+QString::number(cur.geom.height());
for(int i=0; i<cur.resList.length(); i++){
QString res = cur.resList[i].section(" ",0,0, QString::SectionSkipEmpty);
if(cur.resList[i].contains("+")){ ui->combo_resolution->addItem( QString(tr("%1 (Recommended)")).arg(res), res); }
else{ui->combo_resolution->addItem(res, res); }
if(cur.resList[i].contains(cres)){ ui->combo_resolution->setCurrentIndex(i); }
}
ui->check_primary->setChecked( cur.isprimary );
int index = ui->combo_rotation->findData( cur.rotation );
if(index<0){ index = 0; }
ui->combo_rotation->setCurrentIndex(index);
}
}
void MainUI::updateNewScreenResolutions(){
QString id = ui->combo_availscreens->currentText();
for(int i=0; i<SCREENS.length(); i++){
if(SCREENS[i].ID==id){
ui->combo_resolutions->clear();
for(int r=0; r<SCREENS[i].resList.length(); r++){
ui->combo_resolutions->addItem(SCREENS[i].resList[r].section(" ",0,0, QString::SectionSkipEmpty));
if(SCREENS[i].resList[r].contains("+")){ ui->combo_resolutions->setCurrentIndex(r); } //preferred resolution
}
break;
}
}
}
void MainUI::tileScreensY(bool activeonly){
//qDebug() << "Tile Windows in Y Dimension";
QList<QMdiSubWindow*> wins = ui->mdiArea->subWindowList();
QMdiSubWindow *active = ui->mdiArea->currentSubWindow();
QRegion total;
int ypos = 0;
QMdiSubWindow *cur = 0;
while(!wins.isEmpty()){
cur=0;
for(int i=0; i<wins.length(); i++){
if(wins[i]==active && wins.length()>1){ continue; } //ensure active window is last
if(cur==0){ cur = wins[i]; } //first one
else if(wins[i]->pos().y() < cur->pos().y()){ cur = wins[i]; }
}
if(cur==0){
//Note: This should **never** happen
qDebug() << "No windows found below y=:" << ypos;
//need to move the reference point
QRect bounding = total.boundingRect();
ypos+= (bounding.height()/2);
}else{
if(total.isNull()){
//First window handled
if(!activeonly || cur==active){ cur->move(cur->pos().x(), ypos); }
}else{
int newy = ypos;
bool overlap = true;
while(overlap){
QRegion tmp(cur->pos().x(), newy, cur->width(), cur->height());
QRegion diff = tmp.subtracted(total);
overlap = (diff.boundingRect()!=tmp.boundingRect() || diff.rects().length()>1);
//qDebug() << "Check Y Overlap:" << newy << overlap << tmp.boundingRect() << diff.boundingRect();
if(overlap){
QVector<QRect> rects = diff.rects();
QRect bound = diff.boundingRect();
//qDebug() << " - got Y overlap:" << bound << rects;
if( bound.isNull() || rects.isEmpty() ){ newy+=cur->height(); }
else{
int orig = newy;
newy = bound.top();
for(int i=0; i<rects.length(); i++){
//qDebug() << " - Check Rect:" << newy << rects[i] << cur->height();
if(rects[i].height()==cur->height()){ continue; } //skip this one - just the same height
if(rects[i].top()>newy || newy==bound.bottom()){ newy=rects[i].top(); }
}
if(orig==newy){ newy = bound.bottom()+1; } //make sure it always changes - no infinite loops!!
}
}
}
if(!activeonly || cur==active){ cur->move(cur->pos().x(), newy); }
}
total = total.united(cur->geometry());
wins.removeAll(cur);
}
}
}
void MainUI::tileScreensX(bool activeonly){
//qDebug() << "Tile Windows in X Dimension";
QList<QMdiSubWindow*> wins = ui->mdiArea->subWindowList();
QMdiSubWindow *active = ui->mdiArea->currentSubWindow();
QRegion total;
int xpos = 0;
QMdiSubWindow *cur = 0;
while(!wins.isEmpty()){
cur=0;
for(int i=0; i<wins.length(); i++){
if(wins[i]==active && wins.length()>1){ continue; } //ensure active window is last
if(cur==0){ cur = wins[i]; } //first one
else if(wins[i]->pos().x() < cur->pos().x()){ cur = wins[i]; }
}
if(cur==0){
//Note: This should **never** happen
qDebug() << "No windows found left of x=:" << xpos;
//need to move the reference point
QRect bounding = total.boundingRect();
xpos+= (bounding.width()/2);
}else{
if(total.isNull()){
//First window handled
if(!activeonly || cur==active){ cur->move(xpos, cur->pos().y()); }
}else{
int newx = xpos;
bool overlap = true;
while(overlap){
QRegion tmp(newx, cur->pos().y(), cur->width(), cur->height());
QRegion diff = tmp.subtracted(total);
overlap = (diff.boundingRect()!=tmp.boundingRect() || diff.rects().length()>1);
//qDebug() << "Check X Overlap:" << newx << overlap << total.rects() << tmp.boundingRect() << diff.boundingRect();
if(overlap){
QVector<QRect> rects = diff.rects();
QRect bound = diff.boundingRect();
//qDebug() << " - got X overlap:" << bound << rects;
if( bound.isNull() || rects.isEmpty() ){ newx+=cur->width(); }
else{
int orig = newx;
newx = bound.left();
for(int i=0; i<rects.length(); i++){
//qDebug() << " - Check Rect:" << newx << rects[i] << cur->width();
if(rects[i].width()==cur->width()){ continue; } //skip this one - just the same width
if(rects[i].left()>newx || newx==bound.right()){ newx=rects[i].left(); }
}
if(orig==newx){ newx = bound.right()+1; } //make sure it always changes - no infinite loops!!
}
}
}
if(!activeonly || cur==active){ cur->move(newx, cur->pos().y()); }
}
total = total.united(cur->geometry());
wins.removeAll(cur);
}
}
}
void MainUI::tileScreens(){
tileScreensY();
tileScreensX();
}
void MainUI::tileSingleScreen(QAction* act){
if(act->whatsThis()=="X"){
tileScreensX(true);
}else if(act->whatsThis()=="Y"){
tileScreensY(true);
}else if(act->whatsThis()=="XY"){
tileScreensX(true);
tileScreensY(true);
}else if(act->whatsThis()=="YX"){
tileScreensY(true);
tileScreensX(true);
}
}
void MainUI::DeactivateScreen(){
QMdiSubWindow *cur = ui->mdiArea->currentSubWindow();
if(cur==0){ return; }
cur->widget()->setEnabled( !cur->widget()->isEnabled() ); //toggle it between enabled/disabled
}
void MainUI::ActivateScreen(){
//Assemble the command;
QString ID = ui->combo_availscreens->currentText();
QStringList res = ui->combo_resolutions->currentText().split("x");
//Find the screen infor associated with this ID
for(int i=0; i<SCREENS.length(); i++){
if(SCREENS[i].ID==ID){
SCREENS[i].isactive = true;
SCREENS[i].geom.setSize( QSize(res[0].toInt(), res[1].toInt()) );
SCREENS[i].applyChange = 2; //need to activate this monitor
AddScreenToWidget(SCREENS[i]);
break;
}
}
tileScreensX(true);
//Now remove that option from the "new" list
ui->combo_availscreens->removeItem(ui->combo_availscreens->currentIndex());
if(ui->combo_availscreens->count()<1){
ui->group_avail->setVisible(false);
ui->tabWidget->setCurrentIndex(0);
ui->tabWidget->setTabEnabled(1,false);
}else{
ui->group_avail->setVisible(true);
ui->tabWidget->setTabEnabled(1,true);
}
}
void MainUI::ApplyChanges(){
SyncBackend();
//Now run the command
RRSettings::Apply(SCREENS);
//And update the UI and WM in a moment
QTimer::singleShot(500, this, SLOT(UpdateScreens()) );
QTimer::singleShot(1000, this, SLOT(RestartFluxbox()) );
}
void MainUI::SaveSettings(){
SyncBackend();
RRSettings::SaveScreens(SCREENS);
}
void MainUI::RestartFluxbox(){
QProcess::startDetached("killall fluxbox");
}
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