pulsar/spec/app/keymap-spec.coffee
Kevin Sawicki 01f220fb1b Support non-English keyboard languages
Use event.which if it is lower than the parsed key identifier.
This is the case when a non-English keyboard language is selected and
a physical English keyboard is being used.

This allows keybindings to still work even when the physical key pressed
is different than the key it maps to for the currently selected language.

Closes #585
2013-06-28 16:36:55 -07:00

334 lines
16 KiB
CoffeeScript

Keymap = require 'keymap'
$ = require 'jquery'
{$$} = require 'space-pen'
RootView = require 'root-view'
describe "Keymap", ->
fragment = null
keymap = null
beforeEach ->
keymap = new Keymap
fragment = $ """
<div class="command-mode">
<div class="child-node">
<div class="grandchild-node"/>
</div>
</div>
"""
describe ".handleKeyEvent(event)", ->
deleteCharHandler = null
insertCharHandler = null
beforeEach ->
keymap.bindKeys '.command-mode', 'x': 'deleteChar'
keymap.bindKeys '.insert-mode', 'x': 'insertChar'
deleteCharHandler = jasmine.createSpy('deleteCharHandler')
insertCharHandler = jasmine.createSpy('insertCharHandler')
fragment.on 'deleteChar', deleteCharHandler
fragment.on 'insertChar', insertCharHandler
it "adds a 'keystrokes' string to the event object", ->
event = keydownEvent('x', altKey: true, metaKey: true)
keymap.handleKeyEvent(event)
expect(event.keystrokes).toBe 'alt-meta-x'
event = keydownEvent(',', metaKey: true)
event.which = 188
keymap.handleKeyEvent(event)
expect(event.keystrokes).toBe 'meta-,'
describe "when no binding matches the event's keystroke", ->
it "does not return false so the event continues to propagate", ->
expect(keymap.handleKeyEvent(keydownEvent('0', target: fragment[0]))).not.toBe false
describe "when a non-English keyboard language is used", ->
it "uses the physical character pressed instead of the character it maps to in the current language", ->
event = keydownEvent('U+03B6', metaKey: true) # This is the 'z' key using the Greek keyboard layout
event.which = 122
keymap.handleKeyEvent(event)
expect(event.keystrokes).toBe 'meta-z'
describe "when at least one binding fully matches the event's keystroke", ->
describe "when the event's target node matches a selector with a matching binding", ->
it "triggers the command event associated with that binding on the target node and returns false", ->
result = keymap.handleKeyEvent(keydownEvent('x', target: fragment[0]))
expect(result).toBe(false)
expect(deleteCharHandler).toHaveBeenCalled()
expect(insertCharHandler).not.toHaveBeenCalled()
deleteCharHandler.reset()
fragment.removeClass('command-mode').addClass('insert-mode')
event = keydownEvent('x', target: fragment[0])
keymap.handleKeyEvent(event)
expect(deleteCharHandler).not.toHaveBeenCalled()
expect(insertCharHandler).toHaveBeenCalled()
commandEvent = insertCharHandler.argsForCall[0][0]
expect(commandEvent.keyEvent).toBe event
expect(event.keystrokes).toBe 'x'
describe "when the event's target node *descends* from a selector with a matching binding", ->
it "triggers the command event associated with that binding on the target node and returns false", ->
target = fragment.find('.child-node')[0]
result = keymap.handleKeyEvent(keydownEvent('x', target: target))
expect(result).toBe(false)
expect(deleteCharHandler).toHaveBeenCalled()
expect(insertCharHandler).not.toHaveBeenCalled()
deleteCharHandler.reset()
fragment.removeClass('command-mode').addClass('insert-mode')
keymap.handleKeyEvent(keydownEvent('x', target: target))
expect(deleteCharHandler).not.toHaveBeenCalled()
expect(insertCharHandler).toHaveBeenCalled()
describe "when the event's target node descends from multiple nodes that match selectors with a binding", ->
beforeEach ->
keymap.bindKeys '.child-node', 'x': 'foo'
it "only triggers bindings on selectors associated with the closest ancestor node", ->
fooHandler = jasmine.createSpy 'fooHandler'
fragment.on 'foo', fooHandler
target = fragment.find('.grandchild-node')[0]
keymap.handleKeyEvent(keydownEvent('x', target: target))
expect(fooHandler).toHaveBeenCalled()
expect(deleteCharHandler).not.toHaveBeenCalled()
expect(insertCharHandler).not.toHaveBeenCalled()
describe "when 'abortKeyBinding' is called on the triggered event", ->
[fooHandler1, fooHandler2] = []
beforeEach ->
fooHandler1 = jasmine.createSpy('fooHandler1').andCallFake (e) ->
expect(deleteCharHandler).not.toHaveBeenCalled()
e.abortKeyBinding()
fooHandler2 = jasmine.createSpy('fooHandler2')
fragment.find('.child-node').on 'foo', fooHandler1
fragment.on 'foo', fooHandler2
it "aborts the current event and tries again with the next-most-specific key binding", ->
target = fragment.find('.grandchild-node')[0]
keymap.handleKeyEvent(keydownEvent('x', target: target))
expect(fooHandler1).toHaveBeenCalled()
expect(fooHandler2).not.toHaveBeenCalled()
expect(deleteCharHandler).toHaveBeenCalled()
it "does not throw an exception if the event was not triggered by the keymap", ->
fragment.find('.grandchild-node').trigger 'foo'
describe "when the event bubbles to a node that matches multiple selectors", ->
describe "when the matching selectors differ in specificity", ->
it "triggers the binding for the most specific selector", ->
keymap.bindKeys 'div .child-node', 'x': 'foo'
keymap.bindKeys '.command-mode .child-node !important', 'x': 'baz'
keymap.bindKeys '.command-mode .child-node', 'x': 'quux'
keymap.bindKeys '.child-node', 'x': 'bar'
fooHandler = jasmine.createSpy 'fooHandler'
barHandler = jasmine.createSpy 'barHandler'
bazHandler = jasmine.createSpy 'bazHandler'
fragment.on 'foo', fooHandler
fragment.on 'bar', barHandler
fragment.on 'baz', bazHandler
target = fragment.find('.grandchild-node')[0]
keymap.handleKeyEvent(keydownEvent('x', target: target))
expect(fooHandler).not.toHaveBeenCalled()
expect(barHandler).not.toHaveBeenCalled()
expect(bazHandler).toHaveBeenCalled()
describe "when the matching selectors have the same specificity", ->
it "triggers the bindings for the most recently declared selector", ->
keymap.bindKeys '.child-node', 'x': 'foo', 'y': 'baz'
keymap.bindKeys '.child-node', 'x': 'bar'
fooHandler = jasmine.createSpy 'fooHandler'
barHandler = jasmine.createSpy 'barHandler'
bazHandler = jasmine.createSpy 'bazHandler'
fragment.on 'foo', fooHandler
fragment.on 'bar', barHandler
fragment.on 'baz', bazHandler
target = fragment.find('.grandchild-node')[0]
keymap.handleKeyEvent(keydownEvent('x', target: target))
expect(barHandler).toHaveBeenCalled()
expect(fooHandler).not.toHaveBeenCalled()
keymap.handleKeyEvent(keydownEvent('y', target: target))
expect(bazHandler).toHaveBeenCalled()
describe "when the event's target is the document body", ->
it "triggers the mapped event on the rootView", ->
window.rootView = new RootView
keymap.bindKeys 'body', 'x': 'foo'
fooHandler = jasmine.createSpy("fooHandler")
rootView.on 'foo', fooHandler
result = keymap.handleKeyEvent(keydownEvent('x', target: document.body))
expect(result).toBe(false)
expect(fooHandler).toHaveBeenCalled()
expect(deleteCharHandler).not.toHaveBeenCalled()
expect(insertCharHandler).not.toHaveBeenCalled()
describe "when the event matches a 'native!' binding", ->
it "returns true, allowing the browser's native key handling to process the event", ->
keymap.bindKeys '.grandchild-node', 'x': 'native!'
nativeHandler = jasmine.createSpy("nativeHandler")
fragment.on 'native!', nativeHandler
expect(keymap.handleKeyEvent(keydownEvent('x', target: fragment.find('.grandchild-node')[0]))).toBe true
expect(nativeHandler).not.toHaveBeenCalled()
describe "when at least one binding partially matches the event's keystroke", ->
[quitHandler, closeOtherWindowsHandler] = []
beforeEach ->
keymap.bindKeys "*",
'ctrl-x ctrl-c': 'quit'
'ctrl-x 1': 'close-other-windows'
quitHandler = jasmine.createSpy('quitHandler')
closeOtherWindowsHandler = jasmine.createSpy('closeOtherWindowsHandler')
fragment.on 'quit', quitHandler
fragment.on 'close-other-windows', closeOtherWindowsHandler
it "only matches entire keystroke patterns", ->
expect(keymap.handleKeyEvent(keydownEvent('c', target: fragment[0]))).not.toBe false
describe "when the event's target node matches a selector with a partially matching multi-stroke binding", ->
describe "when a second keystroke added to the first to match a multi-stroke binding completely", ->
it "triggers the event associated with the matched multi-stroke binding", ->
expect(keymap.handleKeyEvent(keydownEvent('x', target: fragment[0], ctrlKey: true))).toBeFalsy()
expect(keymap.handleKeyEvent(keydownEvent('c', target: fragment[0], ctrlKey: true))).toBeFalsy()
expect(quitHandler).toHaveBeenCalled()
expect(closeOtherWindowsHandler).not.toHaveBeenCalled()
quitHandler.reset()
expect(keymap.handleKeyEvent(keydownEvent('x', target: fragment[0], ctrlKey: true))).toBeFalsy()
expect(keymap.handleKeyEvent(keydownEvent('1', target: fragment[0]))).toBeFalsy()
expect(quitHandler).not.toHaveBeenCalled()
expect(closeOtherWindowsHandler).toHaveBeenCalled()
describe "when a second keystroke added to the first doesn't match any bindings", ->
it "clears the queued keystrokes without triggering any events", ->
expect(keymap.handleKeyEvent(keydownEvent('x', target: fragment[0], ctrlKey: true))).toBe false
expect(keymap.handleKeyEvent(keydownEvent('c', target: fragment[0]))).toBe false
expect(quitHandler).not.toHaveBeenCalled()
expect(closeOtherWindowsHandler).not.toHaveBeenCalled()
expect(keymap.handleKeyEvent(keydownEvent('c', target: fragment[0]))).not.toBe false
describe "when the event's target node descends from multiple nodes that match selectors with a partial binding match", ->
it "allows any of the bindings to be triggered upon a second keystroke, favoring the most specific selector", ->
keymap.bindKeys ".grandchild-node", 'ctrl-x ctrl-c': 'more-specific-quit'
grandchildNode = fragment.find('.grandchild-node')[0]
moreSpecificQuitHandler = jasmine.createSpy('moreSpecificQuitHandler')
fragment.on 'more-specific-quit', moreSpecificQuitHandler
expect(keymap.handleKeyEvent(keydownEvent('x', target: grandchildNode, ctrlKey: true))).toBeFalsy()
expect(keymap.handleKeyEvent(keydownEvent('1', target: grandchildNode))).toBeFalsy()
expect(quitHandler).not.toHaveBeenCalled()
expect(moreSpecificQuitHandler).not.toHaveBeenCalled()
expect(closeOtherWindowsHandler).toHaveBeenCalled()
closeOtherWindowsHandler.reset()
expect(keymap.handleKeyEvent(keydownEvent('x', target: grandchildNode, ctrlKey: true))).toBeFalsy()
expect(keymap.handleKeyEvent(keydownEvent('c', target: grandchildNode, ctrlKey: true))).toBeFalsy()
expect(quitHandler).not.toHaveBeenCalled()
expect(closeOtherWindowsHandler).not.toHaveBeenCalled()
expect(moreSpecificQuitHandler).toHaveBeenCalled()
describe "when there is a complete binding with a less specific selector", ->
it "favors the more specific partial match", ->
describe "when there is a complete binding with a more specific selector", ->
it "favors the more specific complete match", ->
describe "when a tab keystroke does not match any bindings", ->
it "returns false to prevent the browser from transferring focus", ->
expect(keymap.handleKeyEvent(keydownEvent('U+0009', target: fragment[0]))).toBe false
describe ".bindKeys(selector, bindings)", ->
it "normalizes the key patterns in the hash to put the modifiers in alphabetical order", ->
fooHandler = jasmine.createSpy('fooHandler')
fragment.on 'foo', fooHandler
keymap.bindKeys '*', 'ctrl-alt-delete': 'foo'
result = keymap.handleKeyEvent(keydownEvent('delete', ctrlKey: true, altKey: true, target: fragment[0]))
expect(result).toBe(false)
expect(fooHandler).toHaveBeenCalled()
fooHandler.reset()
keymap.bindKeys '*', 'ctrl-alt--': 'foo'
result = keymap.handleKeyEvent(keydownEvent('-', ctrlKey: true, altKey: true, target: fragment[0]))
expect(result).toBe(false)
expect(fooHandler).toHaveBeenCalled()
describe ".remove(name)", ->
it "removes the binding set with the given selector and bindings", ->
keymap.add 'nature',
'.green':
'ctrl-c': 'cultivate'
'.brown':
'ctrl-h': 'harvest'
expect(keymap.bindingsForElement($$ -> @div class: 'green')).toEqual { 'ctrl-c': 'cultivate' }
expect(keymap.bindingsForElement($$ -> @div class: 'brown')).toEqual { 'ctrl-h': 'harvest' }
keymap.remove('nature')
expect(keymap.bindingsForElement($$ -> @div class: 'green')).toEqual {}
expect(keymap.bindingsForElement($$ -> @div class: 'brown')).toEqual {}
expect(keymap.bindingSetsByFirstKeystroke['ctrl-c']).toEqual []
expect(keymap.bindingSetsByFirstKeystroke['ctrl-h']).toEqual []
describe ".keystrokeStringForEvent(event)", ->
describe "when no modifiers are pressed", ->
it "returns a string that identifies the key pressed", ->
expect(keymap.keystrokeStringForEvent(keydownEvent('a'))).toBe 'a'
expect(keymap.keystrokeStringForEvent(keydownEvent('['))).toBe '['
expect(keymap.keystrokeStringForEvent(keydownEvent('*'))).toBe '*'
expect(keymap.keystrokeStringForEvent(keydownEvent('left'))).toBe 'left'
expect(keymap.keystrokeStringForEvent(keydownEvent('\b'))).toBe 'backspace'
describe "when ctrl, alt or meta is pressed with a non-modifier key", ->
it "returns a string that identifies the key pressed", ->
expect(keymap.keystrokeStringForEvent(keydownEvent('a', altKey: true))).toBe 'alt-a'
expect(keymap.keystrokeStringForEvent(keydownEvent('[', metaKey: true))).toBe 'meta-['
expect(keymap.keystrokeStringForEvent(keydownEvent('*', ctrlKey: true))).toBe 'ctrl-*'
expect(keymap.keystrokeStringForEvent(keydownEvent('left', ctrlKey: true, metaKey: true, altKey: true))).toBe 'alt-ctrl-meta-left'
describe "when shift is pressed when a non-modifer key", ->
it "returns a string that identifies the key pressed", ->
expect(keymap.keystrokeStringForEvent(keydownEvent('A', shiftKey: true))).toBe 'A'
expect(keymap.keystrokeStringForEvent(keydownEvent('{', shiftKey: true))).toBe '{'
expect(keymap.keystrokeStringForEvent(keydownEvent('left', shiftKey: true))).toBe 'shift-left'
expect(keymap.keystrokeStringForEvent(keydownEvent('Left', shiftKey: true))).toBe 'shift-left'
describe ".bindingsForElement(element)", ->
it "returns the matching bindings for the element", ->
keymap.bindKeys '.command-mode', 'c': 'c'
keymap.bindKeys '.grandchild-node', 'g': 'g'
bindings = keymap.bindingsForElement(fragment.find('.grandchild-node'))
expect(Object.keys(bindings).length).toBe 2
expect(bindings['c']).toEqual "c"
expect(bindings['g']).toEqual "g"
describe "when multiple bindings match a keystroke", ->
it "only returns bindings that match the most specific selector", ->
keymap.bindKeys '.command-mode', 'g': 'command-mode'
keymap.bindKeys '.command-mode .grandchild-node', 'g': 'command-and-grandchild-node'
keymap.bindKeys '.grandchild-node', 'g': 'grandchild-node'
bindings = keymap.bindingsForElement(fragment.find('.grandchild-node'))
expect(Object.keys(bindings).length).toBe 1
expect(bindings['g']).toEqual "command-and-grandchild-node"