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Contents
require 'fox16'
include Fox
class DropSite < FXMainWindow
def initialize(anApp)
# Initialize base class
super(anApp, "Drop Site", :opts => DECOR_ALL, :width => 400, :height => 300)
# Fill main window with canvas
@canvas = FXCanvas.new(self, :opts => LAYOUT_FILL_X|LAYOUT_FILL_Y)
# Handle expose events on the canvas
@canvas.connect(SEL_PAINT) do |sender, sel, event|
FXDCWindow.new(@canvas, event) do |dc|
dc.foreground = @canvas.backColor
dc.fillRectangle(event.rect.x, event.rect.y, event.rect.w, event.rect.h)
end
end
# Enable canvas for drag-and-drop messages
@canvas.dropEnable
# Handle SEL_DND_MOTION messages from the canvas
@canvas.connect(SEL_DND_MOTION) do
@canvas.acceptDrop if @canvas.offeredDNDType?(FROM_DRAGNDROP, FXWindow.colorType)
end
# Handle SEL_DND_DROP message from the canvas
@canvas.connect(SEL_DND_DROP) do
# Try to obtain the data as color values first
data = @canvas.getDNDData(FROM_DRAGNDROP, FXWindow.colorType)
# Update canvas background color
@canvas.backColor = Fox.fxdecodeColorData(data) unless data.nil?
end
end
def create
# Create the main window and canvas
super
# Register the drag type for colors
FXWindow.colorType = getApp().registerDragType(FXWindow.colorTypeName)
# Show the main window
show(PLACEMENT_SCREEN)
end
end
if __FILE__ == $0
FXApp.new("DropSite", "FXRuby") do |theApp|
DropSite.new(theApp)
theApp.create
theApp.run
end
end
Version data entries
100 entries across 100 versions & 1 rubygems