class Core::GUI::Button
Button
to be used in menus. Executes the given lambda when clicked
Attributes
background[RW]
proc[RW]
Public Class Methods
new(x, y, w, h, text, proc, bg=true, align=:center, text_height=h)
click to toggle source
Calls superclass method
Core::GUI::Element::new
# File lib/gui/button.rb, line 9 def initialize(x, y, w, h, text, proc, bg=true, align=:center, text_height=h) super(x, y, w, h) if bg @bg = Core.sprite("gui/button_background") end @hi = Core.sprite("gui/button_highlight", true) @font = Core.font(Core::DEFAULT_FONT, text_height) @text = text @proc = proc @selected = false @background = bg @align = align @enabled = true @fw = @font.text_width(@text) end
Public Instance Methods
disable()
click to toggle source
# File lib/gui/button.rb, line 30 def disable @enabled = false end
draw()
click to toggle source
# File lib/gui/button.rb, line 47 def draw case @align when :center @font.draw(@text, @x + @xoff + (@w/2) - (@fw/2), @y + @yoff + (@h/9), Core::GUI_Z + 10 + @zoff, 1, 1, Gosu::Color::BLACK) when :left @font.draw(@text, @x + @xoff + 4, @y + @yoff + (@h/9), Core::GUI_Z + 10 + @zoff, 1, 1, Gosu::Color::BLACK) when :right @font.draw(@text, @x + @xoff + (@w-@fw), @y + @yoff + (@h/9), Core::GUI_Z + 10 + @zoff, 1, 1, Gosu::Color::BLACK) end if @background color = Gosu::Color.new(255, 255, 255, 255) if !@enabled color.saturation = 125 end @bg.draw(@x + @xoff, @y + @yoff, Core::GUI_Z + 9 + @zoff, @w/@bg.width.to_f, @h/@bg.height.to_f, color) end if @selected and @enabled @hi.draw(@x + @xoff, @y + @yoff, Core::GUI_Z + 11 + @zoff, @w/@hi.width.to_f, @h/@hi.height.to_f, 0xff999999, :additive) end end
enable()
click to toggle source
# File lib/gui/button.rb, line 33 def enable @enabled = true end
hovered?()
click to toggle source
# File lib/gui/button.rb, line 24 def hovered? return @selected end
toggle()
click to toggle source
# File lib/gui/button.rb, line 27 def toggle @enabled = !@enabled end
update()
click to toggle source
# File lib/gui/button.rb, line 36 def update @selected = Core.inside?(Core.window.mouse_x, Core.window.mouse_y, @x+@xoff, @y+@yoff, @x+@w+@xoff, @y+@h+@yoff) if @selected and Core.window.pressed?(Gosu::MsLeft) if @enabled @@sound.play(0.25) @proc.call else @@error.play end end end