From 9f1f771d4fc45d766912cde64ab7e28abd6f87ce Mon Sep 17 00:00:00 2001 From: buffet Date: Wed, 8 Jan 2020 23:19:38 +0000 Subject: [PATCH] Add documentation for the Lua API --- lua_docs.md | 231 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 231 insertions(+) create mode 100644 lua_docs.md diff --git a/lua_docs.md b/lua_docs.md new file mode 100644 index 0000000..93c6e60 --- /dev/null +++ b/lua_docs.md @@ -0,0 +1,231 @@ +# Lua API Documentation + +kiwmi is configured completely in Lua. +All types kiwmi offers are actually reference types, pointing to the actual internal types. +This means Lua's garbage collection has no effect on the lifetime of the object. + +kiwmi offers the following classes to work with: + +## kiwmi_server + +This is the type of the global `kiwmi` singleton, representing the compositor. +This is the entry point to the API. + +### Methods + +#### kiwmi:cursor() + +Returns a reference to the cursor object. + +#### kiwmi:focused_view() + +Returns the currently focused view. + +#### kiwmi:on(type, callback) + +Used to register event listeners. + +#### kiwmi:quit() + +Quit kiwmi. + +#### kiwmi:spawn(command) + +Spawn a new process. +`command` is passed to `/bin/sh`. + +#### kiwmi:view_at(x, y) + +Get the view at a specified position. + +### Events + +#### keyboard + +A new keyboard got attached. +Callback receives a reference to the keyboard. + +#### output + +A new output got attached. +Callback receives a reference to the output. + +#### view + +A new view got created (actually mapped). +Callback receives a reference to the view. + +## kiwmi_cursor + +A reference to the cursor object. + +### Methods + +#### cursor:on(type, callback) + +Used to register event listeners. + +#### cursor:pos() + +Get the current position of the cursor. +Returns two parameters: `x` and `y`. + +#### cursor:view_at_pos() + +Returns the view at the cursor position, or `nil` if there is none. + +### Events + +#### button_down + +A mouse button got pressed. +Callback receives the ID of the button (i.e. LMB is 1, RMB is 2, ...). + +#### button_up + +A mouse button got released. +Callback receives the ID of the button (i.e. LMB is 1, RMB is 2, ...). + +#### motion + +The cursor got moved. +Callback receives a table containing `oldx`, `oldy`, `newx`, and `newy`. + +## kiwmi_keyboard + +A handle to a keyboard. + +### Methods + +#### keyboard:modifiers() + +Returns a table with the state of all modifiers. +These are: `shift`, `caps`, `ctrl`, `alt`, `mod2`, `mod3`, `super`, and `mod5`. + +#### keyboard:on(type, callback) + +Used to register event listeners. + +### Events + +#### key_down + +A key got pressed. +Callback receives a table containing the `key` and the `keyboard`). + +#### key_up + +A key got released. +Callback receives a table containing the `key` and the `keyboard`). + +## kiwmi_lua_callback + +A handle to a registered callback. + +### Methods + +#### callback:cancel() + +Unregisters the callback. + +## kiwmi_output + +Represents an output (most often a display). + +### Methods + +#### output:auto() + +Tells the compositor to start automatically positioning the output (this is on per default). + +#### output:move(x, y) + +Moves the output to a specified position. +This is referring to the top-left corner. + +#### output:name() + +The name of the output. + +#### output:on(type, callbacks) + +Used to register event listeners. + +#### output:pos() + +Get the position of the output. +Returns two parameters: `x` and `y`. + +#### output:size() + +Get the size of the output. +Returns two parameters: `width` and `height`. + +### Events + +#### destroy + +The output is getting destroyed. +Callback receives the output. + +#### resize + +The output is being resized. +Callback receives a table containing the `output`, the new `width`, and the new `height`. + +## kiwmi_view + +Represents a view (a window in kiwmi terms). + +### Methods + +#### view:close() + +Closes the view. + +#### view:focus() + +Focuses the view. + +#### view:hidden() + +Returns `true` if the view is hidden, `false` otherwise. + +#### view:hide() + +Hides the view. + +#### view:move(x, y) + +Moves the view to the specified position. + +#### view:on(type, callback) + +Used to register event listeners. + +#### view:pos() + +Returns the position of the view (top-left corner). + +#### view:resize(width, height) + +Resizes the view. + +#### view:show() + +Unhides the view. + +#### view:size() + +Returns the size of the view. + +#### view:tiles(edges) + +Takes a table containing all edges that are tiled, or a bool to indicate all 4 edges. + +### Events + +#### destroy + +The view is being destroyed. +Callback receives the view.