examples/area_gallery.rb
require 'glimmer-dsl-libui'
include Glimmer
window('Area Gallery', 400, 400) {
area {
path { # declarative stable path (explicit path syntax for multiple shapes sharing attributes)
square(0, 0, 100)
square(100, 100, 400)
fill r: 102, g: 102, b: 204
}
path { # declarative stable path (explicit path syntax for multiple shapes sharing attributes)
rectangle(0, 100, 100, 400)
rectangle(100, 0, 400, 100)
# linear gradient (has x0, y0, x1, y1, and stops)
fill x0: 10, y0: 10, x1: 350, y1: 350, stops: [{pos: 0.25, r: 204, g: 102, b: 204}, {pos: 0.75, r: 102, g: 102, b: 204}]
}
polygon(100, 100, 100, 400, 400, 100, 400, 400) { # declarative stable path (implicit path syntax for a single shape nested directly under area)
fill r: 202, g: 102, b: 104, a: 0.5
stroke r: 0, g: 0, b: 0
}
polybezier(0, 0,
200, 100, 100, 200, 400, 100,
300, 100, 100, 300, 100, 400,
100, 300, 300, 100, 400, 400) { # declarative stable path (implicit path syntax for a single shape nested directly under area)
fill r: 202, g: 102, b: 204, a: 0.5
stroke r: 0, g: 0, b: 0, thickness: 2, dashes: [50, 10, 10, 10], dash_phase: -50.0
}
polyline(100, 100, 400, 100, 100, 400, 400, 400, 0, 0) { # declarative stable path (implicit path syntax for a single shape nested directly under area)
stroke r: 0, g: 0, b: 0, thickness: 2
}
arc(404, 216, 190, 90, 90, false) { # declarative stable path (implicit path syntax for a single shape nested directly under area)
# radial gradient (has an outer_radius in addition to x0, y0, x1, y1, and stops)
fill outer_radius: 90, x0: 0, y0: 0, x1: 500, y1: 500, stops: [{pos: 0.25, r: 102, g: 102, b: 204, a: 0.5}, {pos: 0.75, r: 204, g: 102, b: 204}]
stroke r: 0, g: 0, b: 0, thickness: 2, dashes: [50, 10, 10, 10], dash_phase: -50.0
}
circle(200, 200, 90) { # declarative stable path (implicit path syntax for a single shape nested directly under area)
fill r: 202, g: 102, b: 204, a: 0.5
stroke r: 0, g: 0, b: 0, thickness: 2
}
text(161, 40, 100) { # declarative stable text
string('Area Gallery') {
font family: 'Arial', size: (OS.mac? ? 14 : 11)
color :black
}
}
on_mouse_event do |area_mouse_event|
p area_mouse_event
end
on_mouse_moved do |area_mouse_event|
puts 'moved'
end
on_mouse_down do |area_mouse_event|
puts 'mouse down'
end
on_mouse_up do |area_mouse_event|
puts 'mouse up'
end
on_mouse_drag_started do |area_mouse_event|
puts 'drag started'
end
on_mouse_dragged do |area_mouse_event|
puts 'dragged'
end
on_mouse_dropped do |area_mouse_event|
puts 'dropped'
end
on_mouse_entered do
puts 'entered'
end
on_mouse_exited do
puts 'exited'
end
on_key_event do |area_key_event|
p area_key_event
# As a smart default, key events are assumed to be handled if you add a key event listener,
# but you can return false to indicate a key event is not handled to allow it
# to propagate to other operating system key handlers, like the Mac quit menu item,
# which expects a COMMAND+Q shortcut usually.
# Otherwise, if you return false in all key event handlers for a specific key combo,
# the Mac beeps (makes a "fonk" sound), which is normal behavior on the Mac.
case area_key_event
in modifiers: [:command], key: 'q'
false if OS.mac? # allow to propagate to Mac quit menu item
else
# true # no return value (nil) or any return value other than false or 0 means true (event handled)
end
end
on_key_up do |area_key_event|
puts 'key up'
# As a smart default, key events are assumed to be handled if you add a key event listener,
# but you can return false to indicate a key event is not handled to allow it
# to propagate to other operating system key handlers, like the Mac quit menu item,
# which expects a COMMAND+Q shortcut usually.
# Otherwise, if you return false in all key event handlers for a specific key combo,
# the Mac beeps (makes a "fonk" sound), which is normal behavior on the Mac.
case area_key_event
in modifiers: [:command], key: 'q'
false if OS.mac? # allow to propagate to Mac quit menu item
else
# true # no return value (nil) or any return value other than false or 0 means true (event handled)
end
end
on_key_down do |area_key_event|
puts 'key down'
# As a smart default, key events are assumed to be handled if you add a key event listener,
# but you can return false to indicate a key event is not handled to allow it
# to propagate to other operating system key handlers, like the Mac quit menu item,
# which expects a COMMAND+Q shortcut usually.
# Otherwise, if you return false in all key event handlers for a specific key combo,
# the Mac beeps (makes a "fonk" sound), which is normal behavior on the Mac.
case area_key_event
in modifiers: [:command], key: 'q'
false if OS.mac? # allow to propagate to Mac quit menu item
else
# true # no return value (nil) or any return value other than false or 0 means true (event handled)
end
end
}
}.show