Add -M CLI argument to display cloned monitors

Works the same as -m but doesn't purge cloned monitors

contrib/bash/polybar

@@ -35,6 +35,7 @@ _polybar() {
 	               -r --reload
 	               -d --dump=
 	               -m --list-monitors
+	               -M --list-all-monitors
 	               -w --print-wmname
 	               -s --stdout
 	               -p --png='

contrib/zsh/_polybar

@@ -10,6 +10,7 @@ _polybar() {
   local R='-r --reload'
   local D='-d --dump'
   local M='-m --list-monitors'
+  local MM='-M --list-all-monitors'
   local W='-w --print-wmname'
   local S='-s --stdout'
 
@@ -21,7 +22,8 @@ _polybar() {
     "($C)"{-c,--config=}'[Path to the configuration file]:configuration file:_files' \
     "($R)"{-r,--reload}'[Reload when the configuration has been modified]' \
     "($D $R $M $W $S)"{-d,--dump=}'[Print parameter value in bar section and exit]:parameter name' \
-    "($M $D $R $W $S)"{-m,--list-monitors}'[Print list of available monitors and exit]' \
+    "($MM $M $D $R $W $S)"{-m,--list-monitors}'[Print list of available monitors and exit (Removes cloned monitors)]' \
+    "($MM $M $D $R $W $S)"{-M,--list-all-monitors}'[Print list of all available monitors (Including cloned monitors) and exit]' \
     "($W $R $D $M $S)"{-w,--print-wmname}'[Print the generated WM_NAME and exit]' \
     "($S)"{-s,--stdout}'[Output data to stdout instead of drawing the X window]' \
     '::bar name:_polybar_list_names'

doc/man/polybar.1.rst

@@ -44,6 +44,13 @@ OPTIONS
 .. option:: -m, --list-monitors
 
    Print list of available monitors and exit
+
+   If some monitors are cloned, this will remove all but one of them
+.. option:: -M, --list-all-monitors
+
+   Print list of available monitors and exit
+
+   This will also include all cloned monitors.
 .. option:: -w, --print-wmname
 
    Print the generated *WM_NAME* and exit

src/main.cpp

@@ -21,7 +21,8 @@ int main(int argc, char** argv) {
       command_line::option{"-c", "--config", "Path to the configuration file", "FILE"},
       command_line::option{"-r", "--reload", "Reload when the configuration has been modified"},
       command_line::option{"-d", "--dump", "Print value of PARAM in bar section and exit", "PARAM"},
-      command_line::option{"-m", "--list-monitors", "Print list of available monitors and exit"},
+      command_line::option{"-m", "--list-monitors", "Print list of available monitors and exit (Removes cloned monitors)"},
+      command_line::option{"-M", "--list-all-monitors", "Print list of all available monitors (Including cloned monitors) and exit"},
       command_line::option{"-w", "--print-wmname", "Print the generated WM_NAME and exit"},
       command_line::option{"-s", "--stdout", "Output data to stdout instead of drawing it to the X window"},
       command_line::option{"-p", "--png", "Save png snapshot to FILE after running for 3 seconds", "FILE"},
@@ -76,8 +77,10 @@ int main(int argc, char** argv) {
     //==================================================
     // List available XRandR entries
     //==================================================
-    if (cli->has("list-monitors")) {
+    if (cli->has("list-monitors") || cli->has("list-all-monitors")) {
-      for (auto&& mon : randr_util::get_monitors(conn, conn.root(), true)) {
+      bool purge_clones = !cli->has("list-all-monitors");
+      auto monitors = randr_util::get_monitors(conn, conn.root(), true, purge_clones);
+      for (auto&& mon : monitors) {
         if (WITH_XRANDR_MONITORS && mon->output == XCB_NONE) {
           printf("%s: %ix%i+%i+%i (XRandR monitor%s)\n", mon->name.c_str(), mon->w, mon->h, mon->x, mon->y,
               mon->primary ? ", primary" : "");