263 lines
4.8 KiB
Markdown
263 lines
4.8 KiB
Markdown
# 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(event, 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(event, 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, ...).
|
|
|
|
The callback is supposed to return `true` if the event was handled.
|
|
The compositor will not forward it to the view under the cursor.
|
|
|
|
#### button_up
|
|
|
|
A mouse button got released.
|
|
Callback receives the ID of the button (i.e. LMB is 1, RMB is 2, ...).
|
|
|
|
The callback is supposed to return `true` if the event was handled.
|
|
The compositor will not forward it to the view under the cursor.
|
|
|
|
#### 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(event, callback)
|
|
|
|
Used to register event listeners.
|
|
|
|
### Events
|
|
|
|
#### destroy
|
|
|
|
The keyboard is getting destroyed.
|
|
Callback receives the keyboard.
|
|
|
|
#### key_down
|
|
|
|
A key got pressed.
|
|
Callback receives a table containing the `key` and the `keyboard`).
|
|
|
|
The callback is supposed to return `true` if the event was handled.
|
|
The compositor will not forward it to the focused view in that case.
|
|
|
|
#### key_up
|
|
|
|
A key got released.
|
|
Callback receives a table containing the `key` and the `keyboard`).
|
|
|
|
The callback is supposed to return `true` if the event was handled.
|
|
The compositor will not forward it to the focused view in that case.
|
|
|
|
## 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(event, 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:app_id()
|
|
|
|
Returns the app id of the view.
|
|
This is comparable to the window class of X windows.
|
|
|
|
#### 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(event, callback)
|
|
|
|
Used to register event listeners.
|
|
|
|
#### view:pid()
|
|
|
|
Returns the process ID of the client associated with the view.
|
|
|
|
#### 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.
|
|
|
|
**NOTE**: Used directly after `view:resize()`, this still returns the old size.
|
|
|
|
#### view:tiled(edges)
|
|
|
|
Takes a table containing all edges that are tiled, or a bool to indicate all 4 edges.
|
|
|
|
#### view:title()
|
|
|
|
Returns the title of the view.
|
|
|
|
### Events
|
|
|
|
#### destroy
|
|
|
|
The view is being destroyed.
|
|
Callback receives the view.
|