From 5fe82df443a563f2c2010b256b9119d754580ee2 Mon Sep 17 00:00:00 2001
From: Ken Moore <ken@ixsystems.com>
Date: Wed, 15 Feb 2017 15:30:26 -0500
Subject: Commit a bit more work on the RandR interface. Starting to drill down
 into the various options that are available.

---
 src-qt5/core/libLumina/LuminaRandR-X11.cpp | 66 +++++++++++++++++++++++-------
 1 file changed, 51 insertions(+), 15 deletions(-)

(limited to 'src-qt5')

diff --git a/src-qt5/core/libLumina/LuminaRandR-X11.cpp b/src-qt5/core/libLumina/LuminaRandR-X11.cpp
index 64712fd0..85251b64 100644
--- a/src-qt5/core/libLumina/LuminaRandR-X11.cpp
+++ b/src-qt5/core/libLumina/LuminaRandR-X11.cpp
@@ -12,10 +12,35 @@
 #include <QDebug>
 #include <QX11Info>
 
+static QString atomToName(xcb_atom_t atom){
+  xcb_get_atom_name_reply_t *nreply = xcb_get_atom_name_reply(QX11Info::connection(), xcb_get_atom_name_unchecked(QX11Info::connection(), atom), NULL);
+    QString name = QString::fromLocal8Bit(xcb_get_atom_name_name(nreply), xcb_get_atom_name_name_length(nreply));
+    free(nreply);
+  return name;
+};
+
+//More efficient method for converting lots of atoms to strings
+static QStringList atomsToNames(xcb_atom_t *atoms, unsigned int num){
+  //qDebug() << "atomsToNames:" << num;
+  QList< xcb_get_atom_name_cookie_t > cookies;
+  //qDebug() << " - Get cookies";
+  for(unsigned int i=0; i<num; i++){ cookies << xcb_get_atom_name_unchecked(QX11Info::connection(), atoms[i]);  }
+  QStringList names;
+  //qDebug() << " - Get names";
+  for(int i=0; i<cookies.length(); i++){ 
+    xcb_get_atom_name_reply_t *nreply = xcb_get_atom_name_reply(QX11Info::connection(), cookies[i], NULL);
+    if(nreply==0){ continue; }
+      names << QString::fromLocal8Bit(xcb_get_atom_name_name(nreply), xcb_get_atom_name_name_length(nreply));
+    free(nreply);
+  }
+  return names;
+};
+
 class OutputDevice::p_objects{
 public:
 	xcb_atom_t monitor_atom;
 	QList<xcb_randr_output_t> outputs; //the actual output devices used by the monitor
+
 };
 
 //Global Listing of Devices
@@ -33,9 +58,10 @@ QList<OutputDevice> OutputDevice::availableMonitors(){
   while(iter.rem>0){
     qDebug() << "Found Monitor:";
     //qDebug() << " Index:" << iter.index << "Rem:" << iter.rem;
-    xcb_get_atom_name_reply_t *nreply = xcb_get_atom_name_reply(QX11Info::connection(), xcb_get_atom_name_unchecked(QX11Info::connection(), iter.data->name), NULL);
+    QString name = atomToName(iter.data->name);
+    /*xcb_get_atom_name_reply_t *nreply = xcb_get_atom_name_reply(QX11Info::connection(), xcb_get_atom_name_unchecked(QX11Info::connection(), iter.data->name), NULL);
     QString name = QString::fromLocal8Bit(xcb_get_atom_name_name(nreply), xcb_get_atom_name_name_length(nreply));
-    free(nreply);
+    free(nreply);*/
 
     qDebug() << "  - Name:" << iter.data->name << name;
     qDebug() << "  - Primary:" << (iter.data->primary == 1);
@@ -102,8 +128,16 @@ OutputDeviceList::OutputDeviceList(){
   qDebug() << "Probing Screen Resources:";
   qDebug() << " - Number of Outputs:" << outputnum;
   qDebug() << " - Number of CRTC's:" << xcb_randr_get_screen_resources_crtcs_length(reply);
-  qDebug() << " - Number of Modes:" << xcb_randr_get_screen_resources_modes_length(reply);
-  qDebug() << " - Number of Names:" << xcb_randr_get_screen_resources_names_length(reply);
+  int mode_len =xcb_randr_get_screen_resources_modes_length(reply);
+  qDebug() << " - Modes:" << mode_len;
+    for(int m=0; m<mode_len; m++){
+      xcb_randr_mode_info_t mode = xcb_randr_get_screen_resources_modes(reply)[m];
+      qDebug() << " -- Mode:" << mode.id;
+      qDebug() << "    - Size:" << mode.width <<"x"<<mode.height;
+    }
+  //qDebug() << "  -- " << atomsToNames( (xcb_atom_t*) xcb_randr_get_screen_resources_modes(reply), xcb_randr_get_screen_resources_modes_length(reply) );
+  qDebug() << " - Names:" << xcb_randr_get_screen_resources_names_length(reply);
+  //qDebug() << "  -- " << atomsToNames( (xcb_atom_t*) xcb_randr_get_screen_resources_names(reply), xcb_randr_get_screen_resources_names_length(reply));
   for(int i=0; i<outputnum; i++){
     xcb_randr_output_t output = xcb_randr_get_screen_resources_outputs(reply)[i];
     //Now display the info about this output
@@ -111,16 +145,19 @@ OutputDeviceList::OutputDeviceList(){
 		xcb_randr_get_output_info_unchecked(QX11Info::connection(), output, QX11Info::appTime()),
 		NULL);
     qDebug() << "==== Output Information #"+QString::number(i);
+
+    //Modes
     qDebug() << "Number of Modes:" << xcb_randr_get_output_info_modes_length(info);
+
+
+    //Clones    
     qDebug() << "Number of Clones:" << xcb_randr_get_output_info_clones_length(info);
 
     //Names
     int name_len = xcb_randr_get_output_info_name_length(info);
-    qDebug() << "Number of Names:" << name_len;
+    qDebug() << "Names:" << atomsToNames( (xcb_atom_t*) xcb_randr_get_output_info_name(info), name_len);
     for(int n=0; n<name_len; n++){
-      xcb_get_atom_name_reply_t *nreply = xcb_get_atom_name_reply(QX11Info::connection(), xcb_get_atom_name_unchecked(QX11Info::connection(), xcb_randr_get_output_info_name(info)[n]), NULL);
-      QString name = QString::fromLocal8Bit(xcb_get_atom_name_name(nreply), xcb_get_atom_name_name_length(nreply));
-      free(nreply);
+      QString name = atomToName( xcb_randr_get_output_info_name(info)[n] );
       qDebug() << " -- " << name;
     }
 
@@ -133,17 +170,16 @@ OutputDeviceList::OutputDeviceList(){
     for(int p=0; p<pinfo_len; p++){
       xcb_atom_t atom = xcb_randr_list_output_properties_atoms(pinfo)[p];
       //Property Name
-      xcb_get_atom_name_reply_t *nreply = xcb_get_atom_name_reply(QX11Info::connection(), xcb_get_atom_name_unchecked(QX11Info::connection(), atom), NULL);
-      QString name = QString::fromLocal8Bit(xcb_get_atom_name_name(nreply), xcb_get_atom_name_name_length(nreply));
-      free(nreply);
+      QString name = atomToName(atom);
       //Property Value
       xcb_randr_query_output_property_reply_t *pvalue = xcb_randr_query_output_property_reply(QX11Info::connection(),
 		xcb_randr_query_output_property_unchecked(QX11Info::connection(), output, atom),
 		NULL);
-      QStringList values; //need to read values
-      for(int v=0; v<xcb_randr_query_output_property_valid_values_length(pvalue); v++){
-        values << QString::number(xcb_randr_query_output_property_valid_values(pvalue)[v] );
-      }
+      QStringList values = atomsToNames ( (xcb_atom_t*) xcb_randr_query_output_property_valid_values(pvalue), xcb_randr_query_output_property_valid_values_length(pvalue) ); //need to read values
+      /*for(int v=0; v<xcb_randr_query_output_property_valid_values_length(pvalue); v++){
+        //values << QString::number(xcb_randr_query_output_property_valid_values(pvalue)[v] );
+        values << atomToName( xcb_randr_query_output_property_valid_values(pvalue)[v] );
+      }*/
       free(pvalue);
       qDebug() << " -- " << name << "=" << values;
 
-- 
cgit