Start adding a new option to lumina-xconfig:

--mirror-monitors : This will be used to setup the session as a single output display across all monitors.

4 files changed, 25 insertions, 4 deletions

diff --git a/src-qt5/core-utils/lumina-xconfig/ScreenSettings.cpp b/src-qt5/core-utils/lumina-xconfig/ScreenSettings.cpp
index a9d40554..a8f94680 100644
--- a/src-qt5/core-utils/lumina-xconfig/ScreenSettings.cpp
+++ b/src-qt5/core-utils/lumina-xconfig/ScreenSettings.cpp
@@ -21,6 +21,16 @@ void RRSettings::ApplyPrevious(){
   RRSettings::Apply(screens);
 }
 
+void RRSettings::MirrorAll(){
+  QList<ScreenInfo> screens;
+  //Now find the highest resolution supported by all connected monitors
+
+  //Setup one monitor with that resolution, and mirror the rest of them
+
+  //Now reset the display with xrandr
+  RRSettings::Apply(screens);
+}
+
 //Read the current screen config from xrandr
 QList<ScreenInfo> RRSettings::CurrentScreens(){
   QList<ScreenInfo> SCREENS;
diff --git a/src-qt5/core-utils/lumina-xconfig/ScreenSettings.h b/src-qt5/core-utils/lumina-xconfig/ScreenSettings.h
index ab480a97..4f042cb8 100644
--- a/src-qt5/core-utils/lumina-xconfig/ScreenSettings.h
+++ b/src-qt5/core-utils/lumina-xconfig/ScreenSettings.h
@@ -38,7 +38,9 @@ class ScreenInfo{
 class RRSettings{
 public:
 	//Reset current screen config to match previously-saved settings
-	static void ApplyPrevious(); //generally performed on startup of the desktop
+	static void ApplyPrevious();
+	//Setup all the connected monitors as a single mirror
+	static void MirrorAll();
 
 	//Read the current screen config from xrandr
 	static QList<ScreenInfo> CurrentScreens(); //reads xrandr information
diff --git a/src-qt5/core-utils/lumina-xconfig/lumina-xconfig.1 b/src-qt5/core-utils/lumina-xconfig/lumina-xconfig.1
index 980211b1..a37d0395 100644
--- a/src-qt5/core-utils/lumina-xconfig/lumina-xconfig.1
+++ b/src-qt5/core-utils/lumina-xconfig/lumina-xconfig.1
@@ -1,6 +1,6 @@
 .Dd November 6, 2017
 .Dt LUMINA-XCONFIG 1
-.Os 1.3.3
+.Os 1.4.2
 
 .Sh NAME
 .Nm lumina-xconfig
@@ -10,6 +10,7 @@ configurations.
 .Sh SYNOPSIS
 .Nm
 .Op Fl -reset-monitors
+.Op Fl -mirror-monitors
 
 .Sh DESCRIPTION
 .Nm
@@ -21,11 +22,14 @@ It is also easy to select the resolution and rotation from a drop down
 box for each screen.
 The Add Screen tab provides an option to enable a connected monitor that
 is not in use.
+
 .Nm
-has one option:
+Options:
 .Bl -tag -width indent
 .It Ic --reset-monitors
-Resets the configuration to default.
+Reset the monitor configuration to defaults in config file
+.It Ic --mirror-monitors
+Setup all connected monitors as a single display output
 .El
 
 .Sh DEPENDENCIES
@@ -37,6 +41,7 @@ A single extra runtime dependency is required:
 .Sh FILES
 .Bl -tag -width indent
 .It Pa /usr/local/bin/lumina-xconfig
+.It Pa {XDG_CONFIG_HOME}/lumina-desktop/lumina-xconfig.conf
 .El
 
 .Sh SEE ALSO
diff --git a/src-qt5/core-utils/lumina-xconfig/main.cpp b/src-qt5/core-utils/lumina-xconfig/main.cpp
index a39a9f5d..64c70cfc 100644
--- a/src-qt5/core-utils/lumina-xconfig/main.cpp
+++ b/src-qt5/core-utils/lumina-xconfig/main.cpp
@@ -18,6 +18,10 @@ int main(int argc, char ** argv)
         RRSettings::ApplyPrevious();
         CLIdone = true;
         break;
+      }else if(QString(argv[i]) == "--mirror-monitors"){
+        RRSettings::MirrorAll();
+        CLIdone = true;
+        break;
       }
     }
     if(CLIdone){ return 0; }