feat(panes): allow specifying coordinates for a new floating pane through the CLI or plugins (#3122)

* working

* add tests

* add coordinates to all the places

* refactor: move things around:

* style(fmt): rustfmt

* style(code): cleanups

1 files changed, 19 insertions, 0 deletions

diff --git a/zellij-utils/src/plugin_api/plugin_command.proto b/zellij-utils/src/plugin_api/plugin_command.proto
index b02dd73f..725714f0 100644
--- a/zellij-utils/src/plugin_api/plugin_command.proto
+++ b/zellij-utils/src/plugin_api/plugin_command.proto
@@ -209,10 +209,12 @@ message UnsubscribePayload {
 
 message OpenFilePayload {
   file.File file_to_open = 1;
+  optional FloatingPaneCoordinates floating_pane_coordinates = 2;
 }
 
 message OpenCommandPanePayload {
   command.Command command_to_run = 1;
+  optional FloatingPaneCoordinates floating_pane_coordinates = 2;
 }
 
 message SwitchTabToPayload {
@@ -275,3 +277,20 @@ message IdAndNewName {
   uint32 id = 1; // pane id or tab index
   string new_name = 2;
 }
+
+message FloatingPaneCoordinates {
+  optional FixedOrPercentValue x = 1;
+  optional FixedOrPercentValue y = 2;
+  optional FixedOrPercentValue width = 3;
+  optional FixedOrPercentValue height = 4;
+}
+
+message FixedOrPercentValue {
+  FixedOrPercent type = 1;
+  uint32 value = 2;
+}
+
+enum FixedOrPercent {
+  Fixed = 0;
+  Percent = 1;
+}