Added more pdf viewer options

modules/plugins/languages/tex/pdfViewer/viewers/custom.nix

@@ -0,0 +1,42 @@
+{
+  pkgs,
+  lib,
+  ...
+} @ moduleInheritencePackage: let
+  # The name of the pdf viewer
+  name = "custom";
+
+  # The viewer template
+  template = import ./viewerTemplate.nix;
+
+  inherit (lib.options) mkOption mkEnableOption;
+  inherit (lib.types) package str listOf;
+in (
+  template {
+    inherit name moduleInheritencePackage;
+
+    options = {
+      enable = mkEnableOption "enable using a custom pdf viewer.";
+
+      package = mkOption {
+        type = package;
+        example = pkgs.okular;
+        description = "custom viewer package";
+      };
+
+      executable = mkOption {
+        type = str;
+        example = "okular";
+        description = "The executable name to call the viewer.";
+      };
+
+      args = mkOption {
+        type = listOf str;
+        example = ["--unique" "file:%p#src:%l%f"];
+        description = "Arguments to pass to the viewer.";
+      };
+    };
+
+    argsFunction = viewerCfg: (viewerCfg.args);
+  }
+)

modules/plugins/languages/tex/pdfViewer/viewers/default.nix

@@ -1,6 +1,10 @@
 { ... }:
 {
   imports = [
+    ./custom.nix
     ./okular.nix
+    ./sioyek.nix
+    ./qpdfview.nix
+    ./zathura.nix
   ];
 }

modules/plugins/languages/tex/pdfViewer/viewers/qpdfview.nix

@@ -0,0 +1,42 @@
+{
+  pkgs,
+  lib,
+  ...
+} @ moduleInheritencePackage: let
+  # The name of the pdf viewer
+  name = "qpdfview";
+
+  # The viewer template
+  template = import ./viewerTemplate.nix;
+
+  inherit (lib.options) mkOption mkEnableOption;
+  inherit (lib.types) package str listOf;
+in (
+  template {
+    inherit name moduleInheritencePackage;
+
+    options = {
+      enable = mkEnableOption "enable qpdfview as the pdf file previewer.";
+
+      package = mkOption {
+        type = package;
+        default = pkgs.qpdfview;
+        description = "qpdfview package";
+      };
+
+      executable = mkOption {
+        type = str;
+        default = "qpdfview";
+        description = "The executable name to call the viewer.";
+      };
+
+      args = mkOption {
+        type = listOf str;
+        default = ["--unique" "%p#src:%f:%l:1"];
+        description = "Arguments to pass to the viewer.";
+      };
+    };
+
+    argsFunction = viewerCfg: (viewerCfg.args);
+  }
+)

modules/plugins/languages/tex/pdfViewer/viewers/sioyek.nix

@@ -0,0 +1,59 @@
+{
+  pkgs,
+  lib,
+  ...
+} @ moduleInheritencePackage: let
+  # The name of the pdf viewer
+  name = "sioyek";
+
+  # The viewer template
+  template = import ./viewerTemplate.nix;
+
+  inherit (lib.options) mkOption mkEnableOption;
+  inherit (lib.types) package str listOf;
+in (
+  template {
+    inherit name moduleInheritencePackage;
+
+    options = {
+      enable = mkEnableOption "enable sioyek as the pdf file previewer.";
+
+      package = mkOption {
+        type = package;
+        default = pkgs.sioyek;
+        description = "sioyek package";
+      };
+
+      executable = mkOption {
+        type = str;
+        default = "sioyek";
+        description = "The executable name to call the viewer.";
+      };
+
+      args = mkOption {
+        type = listOf str;
+        default = [
+          "--reuse-window"
+          "--execute-command"
+          "toggle_synctex"
+          "--inverse-search"
+          "texlab inverse-search -i \"%%1\" -l %%2"
+          "--forward-search-file"
+          "%f"
+          "--forward-search-line"
+          "%l"
+          "%p"
+        ];
+        description = ''
+          Arguments to pass to the viewer.
+
+          By default, this is the only viewer that supports the inverse search feature by
+          command line arguments and doesn't explicitly require extra tinkering else where
+          in your config.
+        '';
+      };
+    };
+
+    argsFunction = viewerCfg: (viewerCfg.args);
+  }
+)

modules/plugins/languages/tex/pdfViewer/viewers/zathura.nix

@@ -0,0 +1,42 @@
+{
+  pkgs,
+  lib,
+  ...
+} @ moduleInheritencePackage: let
+  # The name of the pdf viewer
+  name = "zathura";
+
+  # The viewer template
+  template = import ./viewerTemplate.nix;
+
+  inherit (lib.options) mkOption mkEnableOption;
+  inherit (lib.types) package str listOf;
+in (
+  template {
+    inherit name moduleInheritencePackage;
+
+    options = {
+      enable = mkEnableOption "enable zathura as the pdf file previewer.";
+
+      package = mkOption {
+        type = package;
+        default = pkgs.zathura;
+        description = "zathura package";
+      };
+
+      executable = mkOption {
+        type = str;
+        default = "zathura";
+        description = "The executable name to call the viewer.";
+      };
+
+      args = mkOption {
+        type = listOf str;
+        default = ["--synctex-forward" "%l:1:%f" "%p"];
+        description = "Arguments to pass to the viewer.";
+      };
+    };
+
+    argsFunction = viewerCfg: (viewerCfg.args);
+  }
+)