Merge remote-tracking branch 'origin/master'

1 files changed, 105 insertions, 0 deletions

diff --git a/src-qt5/core/lumina-desktop-unified/src-events/Window-mgmt.cpp b/src-qt5/core/lumina-desktop-unified/src-events/Window-mgmt.cpp
new file mode 100644
index 00000000..0b45c208
--- /dev/null
+++ b/src-qt5/core/lumina-desktop-unified/src-events/Window-mgmt.cpp
@@ -0,0 +1,105 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2016, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#include "NativeWindowSystem.h"
+inline QScreen* screenUnderMouse(){
+  QPoint pos = QCursor::pos();
+  QList<QScreen*> scrns = QGuiApplication::screens();
+  for(int i=0; i<scrns.length(); i++){
+    if(scrns[i]->geometry().contains(pos)){ return scrns[i]; }
+  }
+  return 0;
+}
+
+
+//Primary/private  function
+void NativeWindowSystem::arrangeWindows(NativeWindowObject *primary, QString type, bool primaryonly){
+  if(type.isEmpty()){ type = "center"; }
+  if(primary==0){
+    //Get the currently active window and treat that as the primary
+    for(int i=0; i<NWindows.length(); i++){
+      if(NWindows[i]->property(NativeWindowObject::Active).toBool()){ primary = NWindows[i]; }
+    }
+    if(primary==0 && !NWindows.isEmpty()){ primary = NWindows[0]; } //just use the first one in the list
+  }
+  //Now get the current screen that the mouse cursor is over (and valid area)
+  QScreen *screen = screenUnderMouse();
+  if(screen==0){ return; } //should never happen (theoretically)
+  QRect desktopArea = screen->availableGeometry();
+  //qDebug() << "Arrange Windows:" << primary->geometry() << type << primaryonly << desktopArea;
+  //Now start filtering out all the windows that need to be ignored
+  int wkspace = primary->property(NativeWindowObject::Workspace).toInt();
+  QList<NativeWindowObject*> winlist = NWindows;
+  for(int i=0; i<winlist.length(); i++){
+    if(winlist[i]->property(NativeWindowObject::Workspace).toInt()!=wkspace
+	|| !winlist[i]->property(NativeWindowObject::Visible).toBool()
+	|| desktopArea.intersected(winlist[i]->geometry()).isNull() ){
+      //window is outside of the desired area or invisible - ignore it
+      winlist.removeAt(i);
+      i--;
+    }
+  }
+  if(!winlist.contains(primary)){ winlist << primary; } //could be doing this on a window right before it is shown
+  else if(primaryonly){ winlist.removeAll(primary); winlist << primary; } //move primary window to last
+  //QRegion used;
+  for(int i=0; i<winlist.length(); i++){
+    if(primaryonly && winlist[i]!=primary){ continue; } //skip this window
+    //Now loop over the windows and arrange them as needed
+    QRect geom = winlist[i]->geometry();
+    //verify that the window is contained by the desktop area
+    if(geom.width()>desktopArea.width()){ geom.setWidth(desktopArea.width()); }
+    if(geom.height()>desktopArea.height()){ geom.setHeight(desktopArea.height()); }
+    //Now apply the proper placement routine
+    if(type=="center"){
+      QPoint ct = desktopArea.center();
+      winlist[i]->setGeometryNow( QRect( ct.x()-(geom.width()/2), ct.y()-(geom.height()/2), geom.width(), geom.height()) );
+    }else if(type=="snap"){
+
+    }else if(type=="single_max"){
+      winlist[i]->setGeometryNow( QRect( desktopArea.x(), desktopArea.y(), desktopArea.width(), desktopArea.height()) );
+    }else if(type=="under-mouse"){
+      QPoint ct = QCursor::pos();
+      geom = QRect(ct.x()-(geom.width()/2), ct.y()-(geom.height()/2), geom.width(), geom.height() );
+      //Now verify that the top of the window is still contained within the desktop area
+      if(geom.y() < desktopArea.y() ){ geom.moveTop(desktopArea.y()); }
+      winlist[i]->setGeometryNow(geom);
+
+    }
+    //qDebug() << " - New Geometry:" << winlist[i]->geometry();
+  } //end loop over winlist
+}
+
+// ================
+// Public slots for starting the arrangement routine(s) above
+// ================
+void NativeWindowSystem::ArrangeWindows(WId primary, QString type){
+  NativeWindowObject* win = findWindow(primary);
+  if(type.isEmpty()){ type = "center"; } //grab the default arrangement format
+  arrangeWindows(win, type);
+}
+
+void NativeWindowSystem::TileWindows(WId primary, QString type){
+  NativeWindowObject* win =  findWindow(primary);
+  if(type.isEmpty()){ type = "single_max"; } //grab the default arrangement format for tiling
+  arrangeWindows(win, type);
+}
+
+void NativeWindowSystem::CheckWindowPosition(WId id, bool newwindow){
+  //used after a "drop" to validate/snap/re-arrange window(s) as needed
+  // if "newwindow" is true, then this is the first-placement routine for a window before it initially appears
+  NativeWindowObject* win = findWindow(id);
+  if(win==0){ return; } //invalid window
+  QRect geom = win->geometry();
+  bool changed = false;
+  //Make sure it is on the screen (quick check)
+  if(geom.x() < 0){ changed = true; geom.moveLeft(0); }
+  if(geom.y() < 0){ changed = true; geom.moveTop(0); }
+  if(geom.width() < 20){ changed = true; geom.setWidth(100); }
+  if(geom.height() < 20){ changed = true; geom.setHeight(100); }
+  if(changed){ win->setGeometryNow(geom); }
+  //Now run it through the window arrangement routine
+  arrangeWindows(win, newwindow ?"center" : "snap", true);
+}