area_gallery4.rb

require 'glimmer-dsl-libui'

include Glimmer

window('Area Gallery', 400, 400) {
  area {
    on_draw do |area_draw_params|
      path { # dynamic path, added semi-declaratively inside on_draw block
        square {
          x 0
          y 0
          length 100
        }
        
        square {
          x 100
          y 100
          length 400
        }
        
        fill r: 102, g: 102, b: 204
      }
      
      path { # dynamic path, added semi-declaratively inside on_draw block
        rectangle {
          x 0
          y 100
          width 100
          height 400
        }
        
        rectangle {
          x 100
          y 0
          width 400
          height 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}]
      }
      
      figure { # dynamic path, added semi-declaratively inside on_draw block
        x 100
        y 100
        
        line {
          x 100
          y 400
        }
        
        line {
          x 400
          y 100
        }
        
        line {
          x 400
          y 400
        }
  
        closed true # polygon figure is closed (last point forms a line with first point)
        fill r: 202, g: 102, b: 104, a: 0.5
        stroke r: 0, g: 0, b: 0
      }
      
      figure { # dynamic path, added semi-declaratively inside on_draw block
        x 0
        y 0
        
        bezier {
          c1_x 200
          c1_y 100
          c2_x 100
          c2_y 200
          end_x 400
          end_y 100
        }
        
        bezier {
          c1_x 300
          c1_y 100
          c2_x 100
          c2_y 300
          end_x 100
          end_y 400
        }
        
        bezier {
          c1_x 100
          c1_y 300
          c2_x 300
          c2_y 100
          end_x 400
          end_y 400
        }
        
        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
      }
      
      figure { # dynamic path, added semi-declaratively inside on_draw block
        x 100
        y 100
        
        line {
          x 400
          y 100
        }
        
        line {
          x 100
          y 400
        }
        
        line {
          x 400
          y 400
        }
        
        line {
          x 0
          y 0
        }
        
        stroke r: 0, g: 0, b: 0, thickness: 2
      }
      
      arc { # dynamic path, added semi-declaratively inside on_draw block
        x_center 404
        y_center 216
        radius 190
        start_angle 90
        sweep 90
        is_negative false
        # 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 { # dynamic path, added semi-declaratively inside on_draw block
        x_center 200
        y_center 200
        radius 90
        fill r: 202, g: 102, b: 204, a: 0.5
        stroke r: 0, g: 0, b: 0, thickness: 2
      }
      
      text { # dynamic path, added semi-declaratively inside on_draw block
        x 161
        y 40
        width 100
        
        string {
          font family: 'Arial', size: (OS.mac? ? 14 : 11)
          color :black
          
          'Area Gallery'
        }
      }
    end
    
    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
    end
    
    on_key_up do |area_key_event|
      puts 'key up'
    end
    
    on_key_down do |area_key_event|
      puts 'key down'
    end
  }
}.show