//=========================================== // Lumina-DE source code // Copyright (c) 2015, Ken Moore // Available under the 3-clause BSD license // See the LICENSE file for full details //=========================================== #include "LDesktopPluginSpace.h" #include "LSession.h" #include "desktop-plugins/NewDP.h" #include <LuminaXDG.h> #include <QDesktopWidget> #define DEBUG 0 // =================== // PUBLIC // =================== LDesktopPluginSpace::LDesktopPluginSpace() : QWidget(){ this->setObjectName("LuminaDesktopPluginSpace"); this->setAttribute(Qt::WA_TranslucentBackground); //this->setAttribute(Qt::WA_NoSystemBackground); this->setAutoFillBackground(false); this->setStyleSheet("QWidget#LuminaDesktopPluginSpace{ border: none; background: transparent; }"); this->setWindowFlags(Qt::WindowStaysOnBottomHint | Qt::CustomizeWindowHint | Qt::FramelessWindowHint); this->setAcceptDrops(true); this->setContextMenuPolicy(Qt::NoContextMenu); this->setMouseTracking(true); TopToBottom = true; GRIDSIZE = 100.0; //default value if not set plugsettings = LSession::handle()->DesktopPluginSettings(); LSession::handle()->XCB->SetAsDesktop(this->winId()); //this->setWindowOpacity(0.0); } LDesktopPluginSpace::~LDesktopPluginSpace(){ } void LDesktopPluginSpace::LoadItems(QStringList plugs, QStringList files){ if(DEBUG){ qDebug() << "Loading Desktop Items:" << plugs << files << "Area:" << this->size() << GRIDSIZE; } bool changes = false; if(plugs != plugins){ plugins = plugs; changes = true; } if(files != deskitems){ deskitems = files; changes = true; } if(changes){ QTimer::singleShot(0,this, SLOT(reloadPlugins())); } this->show(); } void LDesktopPluginSpace::SetIconSize(int size){ if(DEBUG){ qDebug() << "Set Desktop Icon Size:" << size; } //QSize newsize = calculateItemSize(size); int oldsize = GRIDSIZE; GRIDSIZE = size; //turn the int into a float; //itemSize = QSize(1,1); //save this for all the later icons which are generated (grid size) UpdateGeom(oldsize); //Now re-set the item icon size //reloadPlugins(true); } void LDesktopPluginSpace::cleanup(){ //Perform any final cleanup actions here for(int i=0; i<ITEMS.length(); i++){ ITEMS.takeAt(i)->deleteLater(); i--; } plugins.clear(); deskitems.clear(); this->hide(); } void LDesktopPluginSpace::setBackground(QPixmap pix){ wallpaper = pix; this->repaint(); } void LDesktopPluginSpace::setDesktopArea(QRect area){ desktopRect = area; } // =================== // PUBLIC SLOTS // =================== void LDesktopPluginSpace::UpdateGeom(int oldgrid){ if(DEBUG){ qDebug() << "Updated Desktop Geom:" << desktopRect.size() << GRIDSIZE << desktopRect.size()/GRIDSIZE; } //Go through and check the locations/sizes of all items (particularly the ones on the bottom/right edges) //bool reload = false; for(int i=0; i<ITEMS.length(); i++){ QRect grid = geomToGrid(ITEMS[i]->geometry(), oldgrid); if(DEBUG){ qDebug() << " - Check Plugin:" << ITEMS[i]->whatsThis() << grid; } if( !ValidGrid(grid) ){ //This plugin is too far out of the screen - find new location for it if(DEBUG){ qDebug() << " -- Out of bounds - Find a new spot"; } grid = findOpenSpot(grid, ITEMS[i]->whatsThis(), true); //Reverse lookup spot } if(!ValidGrid(grid)){ qDebug() << "No Place for plugin:" << ITEMS[i]->whatsThis(); qDebug() << " - Removing it for now..."; ITEMS.takeAt(i)->deleteLater(); i--; }else{ //NOTE: We are not doing the ValidGeometry() checks because we are only resizing existing plugin with pre-set & valid grid positions grid = gridToGeom(grid); //convert to pixels before saving/sizing MovePlugin(ITEMS[i], grid); /*ITEMS[i]->setGeometry( grid ); ITEMS[i]->setFixedSize(grid.size()); ITEMS[i]->savePluginGeometry(grid);*/ } } //if(reload){ QTimer::singleShot(0,this, SLOT(reloadPlugins())); } } // =================== // PRIVATE // =================== void LDesktopPluginSpace::addDesktopItem(QString filepath){ addDesktopPlugin("applauncher::"+filepath+"---dlink"+QString::number(LSession::handle()->desktop()->screenNumber(this)) ); } void LDesktopPluginSpace::addDesktopPlugin(QString plugID){ //This is used for generic plugins (QWidget-based) if(DEBUG){ qDebug() << "Adding Desktop Plugin:" << plugID; } LDPlugin *plug = NewDP::createPlugin(plugID, this); if(plug==0){ return; } //invalid plugin //plug->setAttribute(Qt::WA_TranslucentBackground); plug->setWhatsThis(plugID); //Now get the geometry for the plugin QRect geom = plug->loadPluginGeometry(); //in pixel coords if(!geom.isNull()){ geom = geomToGrid(geom); } //convert to grid coordinates if(geom.isNull()){ //No previous location - need to calculate initial geom QSize sz = plug->defaultPluginSize(); //in grid coordinates geom.setSize(sz); //if an applauncher - add from top-left, otherwise add in from bottom-right if(plugID.startsWith("applauncher")){ geom = findOpenSpot(geom.width(), geom.height() ); } else{ geom = findOpenSpot(geom.width(), geom.height(), RoundUp(this->height()/GRIDSIZE), RoundUp(this->width()/GRIDSIZE), true); } }else if(!ValidGeometry(plugID, gridToGeom(geom)) ){ //Find a new location for the plugin (saved location is invalid) geom = findOpenSpot(geom.width(), geom.height(), geom.y(), geom.x(), false); //try to get it within the same general area first } if(geom.x() < 0 || geom.y() < 0){ qDebug() << "No available space for desktop plugin:" << plugID << " - IGNORING"; delete plug; }else{ if(DEBUG){ qDebug() << " - New Plugin Geometry (grid):" << geom; } //Now place the item in the proper spot/size MovePlugin(plug, gridToGeom(geom)); //plug->setGeometry( gridToGeom(geom) ); plug->show(); if(DEBUG){ qDebug() << " - New Plugin Geometry (px):" << plug->geometry(); } ITEMS << plug; connect(plug, SIGNAL(StartMoving(QString)), this, SLOT(StartItemMove(QString)) ); connect(plug, SIGNAL(StartResizing(QString)), this, SLOT(StartItemResize(QString)) ); connect(plug, SIGNAL(RemovePlugin(QString)), this, SLOT(RemoveItem(QString)) ); connect(plug, SIGNAL(IncreaseIconSize()), this, SIGNAL(IncreaseIcons()) ); connect(plug, SIGNAL(DecreaseIconSize()), this, SIGNAL(DecreaseIcons()) ); connect(plug, SIGNAL(CloseDesktopMenu()), this, SIGNAL(HideDesktopMenu()) ); } } QRect LDesktopPluginSpace::findOpenSpot(int gridwidth, int gridheight, int startRow, int startCol, bool reversed, QString plugID){ //Note about the return QPoint: x() is the column number, y() is the row number QPoint pt(0,0); //qDebug() << "FIND OPEN SPOT:" << gridwidth << gridheight << startRow << startCol << reversed; int row = startRow; int col = startCol; if(row<0){ row = 0; } //just in case - since this can be recursively called if(col<0){ col = 0; } //just in case - since this can be recursively called bool found = false; int rowCount, colCount; rowCount = RoundUp(desktopRect.height()/GRIDSIZE); colCount = RoundUp(desktopRect.width()/GRIDSIZE); if( (row+gridheight)>rowCount){ row = rowCount-gridheight; startRow = row; } if( (col+gridwidth)>colCount){ col = colCount-gridwidth; startCol = col; } QRect geom(0, 0, gridwidth*GRIDSIZE, gridheight*GRIDSIZE); //origin point will be adjusted in a moment if(DEBUG){ qDebug() << "Search for plugin space:" << rowCount << colCount << gridheight << gridwidth << this->size(); } if(TopToBottom && reversed && (startRow>0 || startCol>0) ){ //Arrange Top->Bottom (work backwards) //qDebug() << "Search backwards for space:" << rowCount << colCount << startRow << startCol << gridheight << gridwidth; while(col>=0 && !found){ while(row>=0 && !found){ bool ok = true; geom.moveTo(col*GRIDSIZE, row*GRIDSIZE); //qDebug() << " - Check Geom:" << geom << col << row; //Check all the existing items to ensure no overlap for(int i=0; i<ITEMS.length() && ok; i++){ if(ITEMS[i]->whatsThis()==plugID){ continue; } //same plugin - this is not a conflict if(geom.intersects(ITEMS[i]->geometry())){ //Collision - move the next searchable row/column index ok = false; //qDebug() << "Collision:" << col << row; row = ((ITEMS[i]->geometry().y()-GRIDSIZE/2)/GRIDSIZE) -gridheight; //use top edge for next search (minus item height) //qDebug() << " - new row:" << row; } } if(ok){ pt = QPoint(col,row); found = true; } //found an open spot } if(!found){ col--; row=rowCount-gridheight; } //go to the previous column } }else if(TopToBottom){ //Arrange Top->Bottom while(col<(colCount-gridwidth) && !found){ while(row<(rowCount-gridheight) && !found){ bool ok = true; geom.moveTo(col*GRIDSIZE, row*GRIDSIZE); //qDebug() << " - Check Geom:" << geom << col << row; //Check all the existing items to ensure no overlap for(int i=0; i<ITEMS.length() && ok; i++){ if(ITEMS[i]->whatsThis()==plugID){ continue; } //same plugin - this is not a conflict if(geom.intersects(ITEMS[i]->geometry())){ //Collision - move the next searchable row/column index ok = false; row = posToGrid(ITEMS[i]->geometry().bottomLeft()).y(); //use bottom edge for next search } } if(ok){ pt = QPoint(col,row); found = true; } //found an open spot //else{ row++; } } if(!found){ col++; row=0; } //go to the next column } }else if(reversed && (startRow>0 || startCol>0) ){ //Arrange Left->Right (work backwards) while(row>=0 && !found){ while(col>=0 && !found){ bool ok = true; geom.moveTo(col*GRIDSIZE, row*GRIDSIZE); //Check all the existing items to ensure no overlap for(int i=0; i<ITEMS.length() && ok; i++){ if(ITEMS[i]->whatsThis()==plugID){ continue; } //same plugin - this is not a conflict if(geom.intersects(ITEMS[i]->geometry())){ //Collision - move the next searchable row/column index ok = false; col = (ITEMS[i]->geometry().x()-GRIDSIZE/2)/GRIDSIZE - gridwidth; // Fill according to row/column } } if(ok){ pt = QPoint(col,row); found = true; } //found an open spot //else{ col++; } } if(!found){ row--; col=colCount-gridwidth;} //go to the previous row } }else{ //Arrange Left->Right while(row<(rowCount-gridheight) && !found){ while(col<(colCount-gridwidth) && !found){ bool ok = true; geom.moveTo(col*GRIDSIZE, row*GRIDSIZE); //Check all the existing items to ensure no overlap for(int i=0; i<ITEMS.length() && ok; i++){ if(ITEMS[i]->whatsThis()==plugID){ continue; } //same plugin - this is not a conflict if(geom.intersects(ITEMS[i]->geometry())){ //Collision - move the next searchable row/column index ok = false; col = posToGrid(ITEMS[i]->geometry().topRight()).x(); // Fill according to row/column } } if(ok){ pt = QPoint(col,row); found = true; } //found an open spot //else{ col++; } } if(!found){ row++; col=0;} //go to the next row } } if(!found){ //qDebug() << "Could not find a spot:" << startRow << startCol << gridheight << gridwidth; if( (startRow!=0 || startCol!=0) && !reversed){ //Did not check the entire screen yet - gradually work it's way back to the top/left corner //qDebug() << " - Start backwards search"; return findOpenSpot(gridwidth, gridheight,startRow,startCol, true); //reverse the scan }else if(gridwidth>1 && gridheight>1){ //Decrease the size of the item by 1x1 grid points and try again //qDebug() << " - Out of space: Decrease item size and try again..."; return findOpenSpot(gridwidth-1, gridheight-1, 0, 0); }else{ //qDebug() << " - Could not find an open spot for a desktop plugin:" << gridwidth << gridheight << startRow << startCol; return QRect(-1,-1,-1,-1); } }else{ return QRect(pt,QSize(gridwidth,gridheight)); } } QRect LDesktopPluginSpace::findOpenSpot(QRect grid, QString plugID, bool recursive){ //Reverse lookup spotc{ //This is just an overloaded simplification for checking currently existing plugins return findOpenSpot(grid.width(), grid.height(), grid.y(), grid.x(), recursive, plugID); } // =================== // PRIVATE SLOTS // =================== void LDesktopPluginSpace::reloadPlugins(bool ForceIconUpdate ){ //Remove any plugins as necessary QStringList plugs = plugins; QStringList items = deskitems; for(int i=0; i<ITEMS.length(); i++){ if( ITEMS[i]->whatsThis().startsWith("applauncher") && ForceIconUpdate){ //Change the size of the existing plugin - preserving the location if possible /*QRect geom = ITEMS[i]->loadPluginGeometry(); //pixel coords if(!geom.isNull()){ geom = geomToGrid(geom); //convert to grid coords geom.setSize(itemSize); //Reset back to default size (does not change location) ITEMS[i]->savePluginGeometry( gridToGeom(geom)); //save it back in pixel coords }*/ //Now remove the plugin for the moment - run it through the re-creation routine below ITEMS.takeAt(i)->deleteLater(); i--; } else if(plugs.contains(ITEMS[i]->whatsThis())){ plugs.removeAll(ITEMS[i]->whatsThis()); } else if(items.contains(ITEMS[i]->whatsThis().section("---",0,0).section("::",1,50))){ items.removeAll(ITEMS[i]->whatsThis().section("---",0,0).section("::",1,50)); } else{ ITEMS[i]->removeSettings(true); ITEMS.takeAt(i)->deleteLater(); i--; } //this is considered a permanent removal (cleans settings) } //Now create any new items //First load the plugins (almost always have fixed locations) for(int i=0; i<plugs.length(); i++){ addDesktopPlugin(plugs[i]); } //Now load the desktop shortcuts (fill in the gaps as needed) for(int i=0; i<items.length(); i++){ addDesktopItem(items[i]); } } //================= // PROTECTED //================= void LDesktopPluginSpace::paintEvent(QPaintEvent*ev){ if(!wallpaper.isNull()){ QPainter painter(this); painter.setBrush(wallpaper); painter.drawRect(ev->rect().adjusted(-1,-1,2,2)); }else{ QWidget::paintEvent(ev); } }