Class: Shoes::App

Inherits:
Object show all
Includes:
Mod2
Defined in:
lib/shoes/app.rb,
lib/shoes/text.rb,
lib/shoes/style.rb,
lib/plugins/httpd.rb,
lib/plugins/video.rb,
lib/plugins/thread.rb,
lib/plugins/thread.rb,
lib/plugins/systray.rb,
lib/shoes/projector.rb,
lib/plugins/code_box.rb,
lib/plugins/treeview.rb,
lib/shoes/helper_methods.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Mod2

#init_app_vars, #set_rotate_angle

Constructor Details

#initialize(args = {}) ⇒ App

Returns a new instance of App.


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# File 'lib/shoes/app.rb', line 5

def initialize args={}
  args.each do |k, v|
    instance_variable_set "@#{k}", v
  end

  win_title = @owner.instance_variable_get('@title')
  class << @owner; self end.
  class_eval do
    define_method :inspect do
      win_title or 'green shoes'
    end
  end if @owner

  App.class_eval do
    attr_accessor *(args.keys - [:width, :height, :title])
  end
  
  init_app_vars
  @canvas, @win, @swin, @top_slot = nil
  @cslot = (@app ||= self)
  @width_pre, @height_pre = @width, @height
  @link_style, @linkhover_style = LINK_DEFAULT, LINKHOVER_DEFAULT
  @context_angle = @pixbuf_rotate = 0
  (Shoes.APPS << self) unless @noapp
end

Instance Attribute Details

#animatesObject (readonly)

Returns the value of attribute animates


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# File 'lib/shoes/app.rb', line 34

def animates
  @animates
end

#appObject

Returns the value of attribute app


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# File 'lib/shoes/app.rb', line 31

def app
  @app
end

#backsObject

Returns the value of attribute backs


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# File 'lib/shoes/app.rb', line 31

def backs
  @backs
end

#canvasObject

Returns the value of attribute canvas


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# File 'lib/shoes/app.rb', line 31

def canvas
  @canvas
end

#cmaskObject

Returns the value of attribute cmask


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# File 'lib/shoes/app.rb', line 31

def cmask
  @cmask
end

#contentsObject

Returns the value of attribute contents


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# File 'lib/shoes/app.rb', line 31

def contents
  @contents
end

#cslotObject

Returns the value of attribute cslot


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# File 'lib/shoes/app.rb', line 31

def cslot
  @cslot
end

#dicsObject

Returns the value of attribute dics


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# File 'lib/shoes/app.rb', line 31

def dics
  @dics
end

#focus_eleObject

Returns the value of attribute focus_ele


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# File 'lib/shoes/app.rb', line 31

def focus_ele
  @focus_ele
end

#focusablesObject

Returns the value of attribute focusables


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# File 'lib/shoes/app.rb', line 31

def focusables
  @focusables
end

#frontsObject

Returns the value of attribute fronts


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# File 'lib/shoes/app.rb', line 31

def fronts
  @fronts
end

#height_preObject

Returns the value of attribute height_pre


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# File 'lib/shoes/app.rb', line 31

def height_pre
  @height_pre
end

Returns the value of attribute link_style


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# File 'lib/shoes/app.rb', line 34

def link_style
  @link_style
end

#linkhover_styleObject (readonly)

Returns the value of attribute linkhover_style


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# File 'lib/shoes/app.rb', line 34

def linkhover_style
  @linkhover_style
end

#locationObject (readonly)

Returns the value of attribute location


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# File 'lib/shoes/app.rb', line 34

def location
  @location
end

#mccsObject

Returns the value of attribute mccs


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# File 'lib/shoes/app.rb', line 31

def mccs
  @mccs
end

#mcsObject

Returns the value of attribute mcs


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# File 'lib/shoes/app.rb', line 31

def mcs
  @mcs
end

#mhcsObject

Returns the value of attribute mhcs


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# File 'lib/shoes/app.rb', line 31

def mhcs
  @mhcs
end

#mlcsObject

Returns the value of attribute mlcs


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# File 'lib/shoes/app.rb', line 31

def mlcs
  @mlcs
end

#mmcsObject

Returns the value of attribute mmcs


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# File 'lib/shoes/app.rb', line 31

def mmcs
  @mmcs
end

#mouse_button=(value) ⇒ Object (writeonly)

Sets the attribute mouse_button

Parameters:

  • value

    the value to set the attribute mouse_button to.


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# File 'lib/shoes/app.rb', line 33

def mouse_button=(value)
  @mouse_button = value
end

#mouse_pos=(value) ⇒ Object (writeonly)

Sets the attribute mouse_pos

Parameters:

  • value

    the value to set the attribute mouse_pos to.


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# File 'lib/shoes/app.rb', line 33

def mouse_pos=(value)
  @mouse_pos = value
end

#mrcsObject

Returns the value of attribute mrcs


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# File 'lib/shoes/app.rb', line 31

def mrcs
  @mrcs
end

#orderObject

Returns the value of attribute order


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# File 'lib/shoes/app.rb', line 31

def order
  @order
end

#ownerObject (readonly)

Returns the value of attribute owner


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# File 'lib/shoes/app.rb', line 34

def owner
  @owner
end

#pinning_elementsObject (readonly)

Returns the value of attribute pinning_elements


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# File 'lib/shoes/app.rb', line 34

def pinning_elements
  @pinning_elements
end

#shcsObject

Returns the value of attribute shcs


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# File 'lib/shoes/app.rb', line 31

def shcs
  @shcs
end

#swinObject

Returns the value of attribute swin


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# File 'lib/shoes/app.rb', line 31

def swin
  @swin
end

#textcursorsObject (readonly)

Returns the value of attribute textcursors


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# File 'lib/shoes/app.rb', line 34

def textcursors
  @textcursors
end

#textmarkersObject (readonly)

Returns the value of attribute textmarkers


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# File 'lib/shoes/app.rb', line 34

def textmarkers
  @textmarkers
end

#top_slotObject

Returns the value of attribute top_slot


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# File 'lib/shoes/app.rb', line 31

def top_slot
  @top_slot
end

#width_preObject

Returns the value of attribute width_pre


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# File 'lib/shoes/app.rb', line 31

def width_pre
  @width_pre
end

#winObject

Returns the value of attribute win


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# File 'lib/shoes/app.rb', line 31

def win
  @win
end

Class Method Details

.source_set(context) ⇒ Object


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# File 'lib/shoes/projector.rb', line 10

def (projector.controller.content.texture).source_set(context)
  context.set_source_pixbuf(self)
end

Instance Method Details

#animate(n = 10, repaint = true, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 342

def animate n=10, repaint=true, &blk
  n, i = 1000 / n, 0
  a = Anim.new
  @animates << a
  GLib::Timeout.add n do
    if a.continue? 
      blk[i = a.pause? ? i : i+1]
      Shoes.repaint_all_by_order self if repaint
    end
    a.continue?
  end
  a
end

#arc(l, t, w, h, a1, a2, args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 439

def arc l, t, w, h, a1, a2, args={}
  args.merge!({angle1: a1, angle2: a2})
  oval  l, t, w, h, args
end

#arrow(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 620

def arrow *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  w = attrs[2]
  args.merge!({left: attrs[0], top: attrs[1], width: w, height: w})
  shape args do
    move_to 0, w*0.5*0.6
    line_to w*0.58, w*0.5*0.6
    line_to w*0.58, w*0.5*0.2
    line_to w, w*0.5
    line_to w*0.58, w*(1-0.5*0.2)
    line_to w*0.58, w*(1-0.5*0.6)
    line_to 0, w*(1-0.5*0.6)
    line_to 0, w*0.5*0.6
  end
end

#background(pat, args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 698

def background pat, args={}
  pat = eval(pat) if pat.is_a?(String) and pat[0] != '#' and !((File.extname(pat).downcase) =~ /\.[png|jpg|gif|PNG|JPG|GIF]/)
  args[:pattern] = pat
  args = basic_attributes args

  if args[:create_real] and !args[:height].zero?
    args[:width] = 1 if args[:width] <= 0
    surface = Cairo::ImageSurface.new Cairo::FORMAT_ARGB32, args[:width], args[:height]
    context = Cairo::Context.new surface
    context.rounded_rectangle 0, 0, args[:width], args[:height], args[:curve]
    gp = gradient pat, args[:width], args[:height], args[:angle]
    context.set_source gp
    context.fill
    img = create_tmp_png surface
    @canvas.put img, args[:left], args[:top]
    img.show_now
    args[:real] = img
  else
    args[:real] = false
  end

  args[:app] = self
  Background.new args
end

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# File 'lib/shoes/app.rb', line 163

def banner *msg; textblock Banner, 48, *msg; end

#basic_attributes(args = {}) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 64

def basic_attributes args={}
  default = BASIC_ATTRIBUTES_DEFAULT
  default.merge!({nocontrol: true}) if @nolayout
  replace_string_to_float args
  default.merge args
end

#border(pat, args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 723

def border pat, args={}
  args[:pattern] = pat
  args = basic_attributes args
  sw = args[:strokewidth] = ( args[:strokewidth] or strokewidth or 1 )

  if args[:create_real] and !args[:height].zero?
    surface = Cairo::ImageSurface.new Cairo::FORMAT_ARGB32, args[:width], args[:height]
    context = Cairo::Context.new surface
    gp = gradient pat, args[:width], args[:height], args[:angle]
    context.set_source gp
    context.set_line_width sw
    context.rounded_rectangle sw/2.0, sw/2.0, args[:width]-sw, args[:height]-sw, args[:curve]
    context.stroke
    
    img = create_tmp_png surface
    @canvas.put img, args[:left], args[:top]
    img.show_now
    args[:real] = img
  else
    args[:real] = false
  end

  args[:app] = self
  Border.new args
end

#button(name, args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 210

def button name, args={}
  args = basic_attributes args
  (click_proc = args[:click]; args.delete :click) if args[:click]
  b = Gtk::Button.new name
  b.set_size_request args[:width], args[:height] if args[:width] > 0 and args[:height] > 0
  @canvas.put b, args[:left], args[:top]
  b.show_now
  args[:real], args[:text], args[:app] = b, name, self
  Button.new(args).tap do |s|
    s.click &click_proc if click_proc
    b.signal_connect "clicked" do
      yield s
    end if block_given?
  end
end

#cap(*line_cap) ⇒ Object


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# File 'lib/shoes/app.rb', line 836

def cap *line_cap
  @line_cap = case line_cap.first
    when :curve, :rect, :project
      LINECAP[line_cap.first]
    else
      @line_cap ||= LINECAP[:rect]
  end
end

#caption(*msg) ⇒ Object


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# File 'lib/shoes/app.rb', line 167

def caption *msg; textblock Caption, 14, *msg; end

#check(args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 226

def check args={}
  args = basic_attributes args
  (click_proc = args[:click]; args.delete :click) if args[:click]
  cb = Gtk::CheckButton.new
  cb.active = true if args[:checked]
  @canvas.put cb, args[:left], args[:top]
  cb.show_now
  args[:real], args[:app] = cb, self
  Check.new(args).tap do |s|
    s.click &click_proc if click_proc
    cb.signal_connect "clicked" do
      yield s
    end if block_given?
  end
end

#clear(&blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 108

def clear &blk
  mcs.each &:clear
  @top_slot.clear &blk
end

#clipboardObject


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# File 'lib/shoes/app.rb', line 803

def clipboard
  Gtk::Clipboard.get(Gdk::Selection::CLIPBOARD).wait_for_text
end

#clipboard=(str) ⇒ Object


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# File 'lib/shoes/app.rb', line 807

def clipboard=(str)
  Gtk::Clipboard.get(Gdk::Selection::CLIPBOARD).text = str
end

#closeObject


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# File 'lib/shoes/app.rb', line 811

def close
  win.destroy
  Shoes.APPS.delete app
end

#close_dialogObject


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# File 'lib/plugins/systray.rb', line 86

def close_dialog
	win.destroy
	Shoes.APPS.delete app
end

#code_box(args = {}) ⇒ Object


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# File 'lib/plugins/code_box.rb', line 3

def code_box args={}
  require 'gtksourceview2'
  args = basic_attributes args

  args[:width]  = 400 if args[:width].zero?
  args[:height] = 300 if args[:height].zero?

  (change_proc = args[:change]; args.delete :change) if args[:change]
  sv = Gtk::SourceView.new
  sv.show_line_numbers = true
  sv.insert_spaces_instead_of_tabs = true
  sv.smart_home_end = Gtk::SourceView::SMART_HOME_END_ALWAYS
  sv.tab_width = 2
  sv.buffer.text = args[:text].to_s
  sv.buffer.language = Gtk::SourceLanguageManager.new.get_language('ruby')
  sv.buffer.highlight_syntax = true
  sv.modify_font(Pango::FontDescription.new(args[:font])) if args[:font]

  cb = Gtk::ScrolledWindow.new
  cb.set_size_request args[:width], args[:height]
  cb.set_policy Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC
  cb.set_shadow_type Gtk::SHADOW_IN
  cb.add sv

  @canvas.put cb, args[:left], args[:top]

  cb.show_all
  args[:real], args[:app], args[:textview] = cb, self, sv
  CodeBox.new(args).tap do |s|
    s.change &change_proc
    sv.buffer.signal_connect "changed" do
      yield s
    end if block_given?
  end
end

#create_tmp_png(surface) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 85

def create_tmp_png surface
  surface.write_to_png TMP_PNG_FILE
  Gtk::Image.new TMP_PNG_FILE
end

#define_async_thread_invoker(period = 0.1) ⇒ Object


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# File 'lib/plugins/thread.rb', line 17

def define_async_thread_invoker(period=0.1)
   $__shoes_app__=self
   @queue=Queue.new if ! defined?(@queue)
   every(period) do
      while @queue.size>0
	    instance_eval  &@queue.pop
	  end
   end
end

#delete_mouse_events(ele) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 155

def delete_mouse_events ele
  events = [mccs, mrcs, mmcs, mhcs]
  events.pop if ele.is_a? Basic
  events.each{|m| m.delete ele}
end

#download(name, args = {}, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 760

def download name, args={}, &blk
  Download.new name, args, &blk
end

#edit_box(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 284

def edit_box *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  txt = attrs.first unless attrs.empty?
  args = basic_attributes args
  args[:width] = 200 if args[:width].zero?
  args[:height] = 108 if args[:height].zero?
  (change_proc = args[:change]; args.delete :change) if args[:change]
  tv = Gtk::TextView.new
  tv.wrap_mode = Gtk::TextTag::WRAP_WORD
  tv.buffer.text = txt || args[:text].to_s
  tv.modify_font(Pango::FontDescription.new(args[:font])) if args[:font]
  tv.accepts_tab = args[:accepts_tab]
  args.delete :accepts_tab

  eb = Gtk::ScrolledWindow.new
  eb.set_size_request args[:width], args[:height]
  eb.set_policy Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC
  eb.set_shadow_type Gtk::SHADOW_IN
  eb.add tv

  @canvas.put eb, args[:left], args[:top]
  eb.show_all
  args[:real], args[:app], args[:textview] = eb, self, tv
  EditBox.new(args).tap do |s|
    s.change &change_proc
    tv.buffer.signal_connect "changed" do
      yield s
    end if block_given?
  end
end

#edit_line(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 262

def edit_line *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  txt = attrs.first unless attrs.empty?
  args = basic_attributes args
  args[:width] = 200 if args[:width].zero?
  args[:height] = 28 if args[:height].zero?
  (change_proc = args[:change]; args.delete :change) if args[:change]
  el = Gtk::Entry.new
  el.visibility = false if args[:secret]
  el.text = txt || args[:text].to_s
  el.set_size_request args[:width], args[:height]
  @canvas.put el, args[:left], args[:top]
  el.show_now
  args[:real], args[:app] = el, self
  EditLine.new(args).tap do |s|
    s.change &change_proc
    el.signal_connect "changed" do
      yield s
    end if block_given?
  end
end

#every(n = 1, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 356

def every n=1, &blk
  animate 1.0/n, &blk
end

#flow(args = {}, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 63

def flow args={}, &blk
  if args[:scroll]
    slot_with_scrollbar Flow, args, &blk
  else
    args[:app] = self
    (click_proc = args[:click]; args.delete :click) if args[:click]
    Flow.new(slot_attributes(args), &blk).tap{|s| s.click &click_proc if click_proc}
  end
end

#flushObject


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# File 'lib/shoes/app.rb', line 821

def flush
  Shoes.call_back_procs self
end

#font(name) ⇒ Object


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# File 'lib/shoes/text.rb', line 22

def font name
  @font_family = name
end

#get_queueObject


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# File 'lib/plugins/thread.rb', line 13

def get_queue()
   @queue=Queue.new if ! defined?(@queue)
   @queue
end

#gradient(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 658

def gradient *attrs
  case attrs.length
    when 1, 2
      pat1, pat2 = attrs
      pat2 = pat1 unless pat2
      return tr_color(pat1)..tr_color(pat2)
    when 3, 4
      pat, w, h, angle = attrs
      angle = 0 unless angle
    else
    return black..black
  end

  pat = tr_color pat
  color = case pat
    when Range; [tr_color(pat.first), tr_color(pat.last)]
    when Array; [pat, pat]
    when String
      sp = Cairo::SurfacePattern.new Cairo::ImageSurface.from_png(pat)
      return sp.set_extend(Cairo::Extend::REPEAT)
    else
      [black, black]
  end
  dx, dy = w*angle/180.0, h*angle/180.0
  lp = Cairo::LinearPattern.new w*0.5-dx, dy, w*0.5+dx, h-dy
  lp.add_color_stop_rgba 0, *color[0]
  lp.add_color_stop_rgba 1, *color[1]
  lp
end

#gray(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 831

def gray *attrs
  g, a = attrs
  g ? rgb(g*255, g*255, g*255, a) : rgb(128, 128, 128)[0..2]
end

#gutterObject


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# File 'lib/shoes/app.rb', line 799

def gutter
  @swin.vscrollbar.size_request.first
end

#hide_appObject


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# File 'lib/plugins/systray.rb', line 81

def hide_app
	win.iconify
	win.hide
end

#image(name, args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 171

def image name, args={}
  args = IMAGE_DEFAULT.merge args
  args = basic_attributes args
  args[:full_width] = args[:full_height] = 0
  (click_proc = args[:click]; args.delete :click) if args[:click]
  if name =~ /^(http|https):\/\//
    tmpname = File.join(Dir.tmpdir, "__green_shoes_#{Time.now.to_f}.png")
    d = download name, save: tmpname
    img = Gtk::Image.new File.join(DIR, '../static/downloading.png')
    downloading = true
  elsif name =~ /\.(png|jpg|gif|PNG|JPG|GIF)$/
    img = Gtk::Image.new name
    downloading = false
  else
    require 'rsvg2'
    img = Gtk::Image.new RSVG::Handle.new_from_data(name).pixbuf
    downloading = false
  end

  if (!args[:width].zero? or !args[:height].zero?) and !downloading 
    args[:full_width], args[:full_height] = imagesize(name)
    args[:width] = args[:full_width] if args[:width].zero?
    args[:height] = args[:full_height] if args[:height].zero?
    img = Gtk::Image.new img.pixbuf.scale(args[:width], args[:height])
  end
  @canvas.put img, args[:left], args[:top]
  img.show_now
  @canvas.remove img if args[:hidden]
  args[:real], args[:app], args[:path] = img, self, name
  Image.new(args).tap do |s|
    @dics.push([s, d, tmpname]) if downloading
    s.click &click_proc if click_proc
  end
end

#imagesize(name) ⇒ Object


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# File 'lib/shoes/app.rb', line 206

def imagesize name
  Gtk::Image.new(name).size_request
end

#inscription(*msg) ⇒ Object


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# File 'lib/shoes/app.rb', line 169

def inscription *msg; textblock Para, 10, *msg; end

#keypress(&blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 372

def keypress &blk
  win.signal_handler_disconnect @key_press_handler if @key_press_handler
  win.set_events Gdk::Event::BUTTON_PRESS_MASK | Gdk::Event::BUTTON_RELEASE_MASK | Gdk::Event::POINTER_MOTION_MASK | Gdk::Event::KEY_PRESS_MASK
  @key_press_handler = win.signal_connect("key_press_event") do |w, e|
    k = Gdk::Keyval.to_name e.keyval
    k = case
      when Shoes::KEY_NAMES.include?(k); e.keyval.chr
      when k == 'Return'; "\n"
      when k == 'Tab'; "\t"
	  else k
    end
    blk[k]
  end
end

#line(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 487

def line *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  case attrs.length
    when 0, 1, 2
    when 3; args[:sx], args[:sy], args[:ex] = attrs; args[:ey] = args[:ex]
    else args[:sx], args[:sy], args[:ex], args[:ey] = attrs
  end
  sx, sy, ex, ey = args[:sx], args[:sy], args[:ex], args[:ey]
  sw = args[:strokewidth] = ( args[:strokewidth] or strokewidth or 1 )
  cw = hsw = sw*0.5
  args[:width], args[:height] = (sx - ex).abs, (sy - ey).abs
  args[:width] += cw
  args[:height] += cw
  
  args = basic_attributes args
  (click_proc = args[:click]; args.delete :click) if args[:click]
  surface = Cairo::ImageSurface.new Cairo::FORMAT_ARGB32, args[:width]+sw, args[:height]+sw
  context = Cairo::Context.new surface
  
  pat = (args[:stroke] or stroke)
  gp = gradient pat, args[:width], args[:height], args[:angle]
  context.set_source gp
  context.set_line_width args[:strokewidth]
  
  if ((sx - ex) < 0 and (sy - ey) < 0) or ((sx - ex) > 0 and (sy - ey) > 0)
    context.move_to cw+hsw, cw+hsw
    context.line_to args[:width]+hsw, args[:height]+hsw
    args[:left] = (sx - ex) < 0 ? sx - hsw : ex - hsw
    args[:top] = (sy - ey) < 0 ? sy - hsw : ey - hsw
  elsif ((sx - ex) < 0 and (sy - ey) > 0) or ((sx - ex) > 0 and (sy - ey) < 0)
    context.move_to cw+hsw, args[:height]+hsw
    context.line_to args[:width]+hsw, cw+hsw
    args[:left] = (sx - ex) < 0 ? sx - hsw : ex - hsw
    args[:top] = (sy - ey) < 0 ? sy - hsw : ey - hsw
  elsif !(sx - ex).zero? and (sy - ey).zero?
    context.move_to cw, cw+hsw
    context.line_to args[:width], cw+hsw
    args[:left] = (sx - ex) < 0 ? sx : ex
    args[:top] = (sy - ey) < 0 ? sy - hsw : ey - hsw
  elsif (sx - ex).zero? and !(sy - ey).zero?
    context.move_to cw+hsw, cw
    context.line_to cw+hsw, args[:height]
    args[:left] = (sx - ex) < 0 ? sx - hsw : ex - hsw
    args[:top] = (sy - ey) < 0 ? sy : ey
  else
    context.move_to 0, 0
    context.line_to 0, 0
    args[:left] = sw
    args[:top] = sy
  end
  
  context.set_line_cap(LINECAP[args[:cap]] || cap)
  context.stroke
  img = create_tmp_png surface
  @canvas.put img, (args[:left]-=cw), (args[:top]-=cw)
  img.show_now
  @canvas.remove img if args[:hidden]
  args[:real], args[:app] = img, self
  Line.new(args).tap{|s| s.click &click_proc if click_proc}
end

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# File 'lib/shoes/text.rb', line 18

def link str, arg = {}, &blk
  Link.new "#{@link_style}#{str}</span>", arg, &blk
end

#list_box(args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 315

def list_box args={}
  args = basic_attributes args
  args[:width] = 200 if args[:width].zero?
  args[:height] = 28 if args[:height].zero?
  (change_proc = args[:change]; args.delete :change) if args[:change]
  cb = args[:entry] ? Gtk::ComboBoxEntry.new : Gtk::ComboBox.new
  args[:items] ||= []
  args[:items].each{|item| cb.append_text item.to_s}
  cb.set_size_request args[:width], args[:height]
  if args[:choose]
    unless args[:entry]
      cb.active = args[:items].index(args[:choose])
    else
      cb.child.text = args[:choose].to_s
    end
  end
  @canvas.put cb, args[:left], args[:top]
  cb.show_now
  args[:real], args[:app] = cb, self
  ListBox.new(args).tap do |s|
    s.change &change_proc
    cb.signal_connect("changed") do
      yield s
    end if block_given?
  end
end

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# File 'lib/shoes/helper_methods.rb', line 90

def make_link_index msg
  start, links = 0, []
  msg.each do |e|
    len = e.to_s.gsub(/<\/.*?>/, '').gsub(/<.*?>/, '').bytesize
    (links << e; e.index = [start, start + len]) if e.is_a? Link
    start += len
  end
  links
end

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# File 'lib/shoes/helper_methods.rb', line 100

def make_link_pos links, layout, line_height
  links.each do |e|
    e.pos = [layout.index_to_pos(e.index[0]).x / Pango::SCALE, layout.index_to_pos(e.index[0]).y / Pango::SCALE]
    e.pos << (layout.index_to_pos(e.index[1]).x / Pango::SCALE) << (layout.index_to_pos(e.index[1]).y / Pango::SCALE)
    e.pos << line_height
  end
end

#make_pango_attr(markup) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 126

def make_pango_attr markup
  attr_list, dummy_text = Pango.parse_markup markup.gsub('\u0026', '@')
  dummy_attr_list, text = Pango.parse_markup markup
  text = text.gsub('\u0026', '&')
  return text, attr_list
end

#make_pango_layout(size, width, height, align, font, justify, leading, wrap, text, attr_list) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 133

def make_pango_layout size, width, height, align, font, justify, leading, wrap, text, attr_list
  leading ||= 4
  wrap ||= 'word'
  wrap == 'trim' ? (wrap, ellipsize = nil, WRAP[wrap.to_sym]) : (wrap, ellipsize = WRAP[wrap.to_sym], nil)
  surface = Cairo::ImageSurface.new Cairo::FORMAT_ARGB32, width, height
  context = Cairo::Context.new surface
  layout = context.create_pango_layout
  layout.width = width * Pango::SCALE
  layout.wrap = wrap if wrap
  layout.ellipsize = ellipsize if ellipsize
  layout.spacing = leading  * Pango::SCALE
  layout.text = text
  layout.justify = justify
  layout.alignment = eval "Pango::ALIGN_#{align.upcase}"
  fd = Pango::FontDescription.new
  fd.family = font
  fd.size = size * Pango::SCALE
  layout.font_description = fd
  layout.attributes = attr_list
  return layout, context, surface
end

#make_textcursor_index(tb, x, y) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 114

def make_textcursor_index tb, x, y
  layout = make_textcursor_layout tb
  layout.xy_to_index x * Pango::SCALE, y * Pango::SCALE
end

#make_textcursor_layout(tb) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 119

def make_textcursor_layout tb
  markup, size, width, height, align, font, justify, leading, wrap = 
    %w[@markup @size @width @height @align @font @justify @leading @wrap].map{|v| tb.instance_variable_get v}
  text, attr_list = make_pango_attr markup
  make_pango_layout(size, width, height, align, font, justify, leading, wrap, text, attr_list)[0]
end

#make_textcursor_pos(tb, n) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 108

def make_textcursor_pos tb, n
  layout = make_textcursor_layout tb
  n = tb.text.length if n == -1
  return layout.index_to_pos(n).x / Pango::SCALE, layout.index_to_pos(n).y / Pango::SCALE
end

#mask(&blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 104

def mask &blk
  Mask.new(self, &blk).tap{|m| @mcs << m}
end

#mk_column(vals, parent = nil) ⇒ Object


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# File 'lib/plugins/treeview.rb', line 27

def mk_column vals, parent = nil
  vals.each_with_index do |v, i|
    if v.is_a? Array
      mk_column v, parent
    else
      if i.zero?
        parent = @tree_view_store.append parent
        @tree_view_methods.each_with_index{|e, i| parent[i] = eval("v.#{e}").to_s}
      else
        child = @tree_view_store.append parent
        @tree_view_methods.each_with_index{|e, i| child[i] = eval("v.#{e}").to_s}
      end
    end
  end
end

#mk_path(tree, path = []) ⇒ Object


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# File 'lib/plugins/treeview.rb', line 53

def mk_path tree, path = []
  tree.each_with_index do |t, i|
    if t.is_a? Array
      path.push(path.empty? ? i : (i.zero? ? i : i-1))
      mk_path t, path
      path.pop
    else
      tmp = i.zero? ? path : [path, i-1]
      @tree_view_paths << tmp.flatten.join(':')
    end
  end
end

#mk_tree(tables) ⇒ Object


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# File 'lib/plugins/treeview.rb', line 43

def mk_tree tables
  tables.map do |table|
    if table.is_a? Array
      mk_tree table
    else
      return @tree_view_row.new( *tables )
    end
  end
end

#motion(&blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 368

def motion &blk
  @mmcs << blk
end

#mouseObject


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# File 'lib/shoes/app.rb', line 387

def mouse
  [@mouse_button, @mouse_pos[0], @mouse_pos[1]]
end

#nofillObject


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# File 'lib/shoes/app.rb', line 654

def nofill
  @fill = false
end

#nolayoutObject


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# File 'lib/shoes/app.rb', line 764

def nolayout
  @nolayout = true
end

#nostrokeObject


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# File 'lib/shoes/app.rb', line 650

def nostroke
  strokewidth 0
end

#oval(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 391

def oval *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  case attrs.length
    when 0, 1
    when 2; args[:left], args[:top] = attrs
    when 3; args[:left], args[:top], args[:radius] = attrs
    else args[:left], args[:top], args[:width], args[:height] = attrs
  end
  args = basic_attributes args
  (click_proc = args[:click]; args.delete :click) if args[:click]
  args[:width].zero? ? (args[:width] = args[:radius] * 2) : (args[:radius] = args[:width]/2.0)
  args[:height] = args[:width] if args[:height].zero?
  args[:strokewidth] = ( args[:strokewidth] or strokewidth or 1 )
  args[:angle1] ||= 0
  args[:angle2] ||= 2*Math::PI

  w, h, mx, my = set_rotate_angle(args)
  my *= args[:width]/args[:height].to_f
  
  surface = Cairo::ImageSurface.new Cairo::FORMAT_ARGB32, w, h
  context = Cairo::Context.new surface
  context.rotate @context_angle
  context.scale(1,  args[:height]/args[:width].to_f)
  
  if pat = (args[:fill] or fill)
    gp = gradient pat, args[:width], args[:height], args[:angle]
    context.set_source gp
    context.arc args[:radius]+mx, args[:radius]-my, args[:radius], args[:angle1], args[:angle2]
    context.fill
  end
  
  pat = (args[:stroke] or stroke)
  gp = gradient pat, args[:width], args[:height], args[:angle]
  context.set_source gp
  context.set_line_width args[:strokewidth]
  context.arc args[:radius]+mx, args[:radius]-my, args[:radius]-args[:strokewidth]/2.0, args[:angle1], args[:angle2]
  context.set_line_cap(LINECAP[args[:cap]] || cap)
  context.stroke

  img = create_tmp_png surface
  img = Gtk::Image.new img.pixbuf.rotate(ROTATE[@pixbuf_rotate])
  @canvas.put img, args[:left], args[:top]
  img.show_now
  @canvas.remove img if args[:hidden]
  args[:real], args[:app] = img, self
  Oval.new(args).tap{|s| s.click &click_proc if click_proc}
end

#para(*msg) ⇒ Object


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# File 'lib/shoes/app.rb', line 168

def para *msg; textblock Para, 12, *msg; end

#pinning(*eles) ⇒ Object


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# File 'lib/shoes/app.rb', line 792

def pinning *eles
  eles.each do |ele|
    ele.is_a?(Basic) ? (@pinning_elements << ele) : ele.contents.each{|e| (@pinning_elements << e) if e.is_a? Basic}
  end
  @pinning_elements.uniq!
end

#progress(args = {}) ⇒ Object


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# File 'lib/shoes/app.rb', line 749

def progress args={}
  args = basic_attributes args
  args[:width] = 150 if args[:width] < 150
  pb = Gtk::ProgressBar.new
  pb.text = ' ' * (args[:width] / 4 - 2)
  @canvas.put pb, args[:left], args[:top]
  pb.show_now
  args[:real], args[:app], args[:noorder], args[:nocontrol] = pb, self, true, true
  Progress.new args
end

#projector(file) ⇒ Object


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# File 'lib/shoes/projector.rb', line 3

def projector file
  projector = Projector.new
  projector.controller = SwingController.new
  projector.controller.content = TextureMappingData.new
  projector.controller.content.face_list = AkatsukiFace::create
  projector.controller.content.texture = Gdk::Pixbuf.new(file)
  
  def (projector.controller.content.texture).source_set(context)
    context.set_source_pixbuf(self)
  end
  
  @canvas.tap do |drawing_area|
    drawing_area.signal_connect('expose-event') do |widget, event|
      projector.controller.region(widget.allocation)
      projector.update
      projector.draw
      true
    end
    drawing_area.add_events(Gdk::Event::BUTTON_PRESS_MASK)
    drawing_area.signal_connect('button_press_event') do |widget, event|
      projector.controller.press(event)
      true
    end
    drawing_area.add_events(Gdk::Event::POINTER_MOTION_MASK)
    drawing_area.signal_connect('motion_notify_event') do |widget, event|
      projector.controller.motion(event)
      true
    end
    drawing_area.add_events(Gdk::Event::BUTTON_RELEASE_MASK)
    drawing_area.signal_connect('button_release_event') do |widget, event|
      projector.controller.release(event)
      true
    end
  end

  projector.widget = @canvas
  animate{projector.draw}
end

#radio(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 242

def radio *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  group = attrs.first unless attrs.empty?
  group = args[:group] if args[:group]
  group = group ? (@radio_groups[group] ||= Gtk::RadioButton.new) : cslot.radio_group
  args = basic_attributes args
  (click_proc = args[:click]; args.delete :click) if args[:click]
  rb = Gtk::RadioButton.new group
  rb.active = true if args[:checked]
  @canvas.put rb, args[:left], args[:top]
  rb.show_now
  args[:real], args[:app] = rb, self
  Radio.new(args).tap do |s|
    s.click &click_proc if click_proc
    rb.signal_connect "clicked" do
      yield s
    end if block_given?
  end
end

#rect(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 444

def rect *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  case attrs.length
    when 0, 1
    when 2; args[:left], args[:top] = attrs
    when 3; args[:left], args[:top], args[:width] = attrs
    else args[:left], args[:top], args[:width], args[:height] = attrs
  end
  args[:height] = args[:width] unless args[:height]
  sw = args[:strokewidth] = ( args[:strokewidth] or strokewidth or 1 )

  w, h, mx, my = set_rotate_angle(args)

  args = basic_attributes args
  (click_proc = args[:click]; args.delete :click) if args[:click]
  surface = Cairo::ImageSurface.new Cairo::FORMAT_ARGB32, w, h
  context = Cairo::Context.new surface

  context.rotate @context_angle
  
  if pat = (args[:fill] or fill)
    gp = gradient pat, args[:width], args[:height], args[:angle]
    context.set_source gp
    context.rounded_rectangle sw/2.0+mx, sw/2.0-my, args[:width]-sw, args[:height]-sw, args[:curve]
    context.fill
  end
  
  pat = (args[:stroke] or stroke)
  gp = gradient pat, args[:width], args[:height], args[:angle]
  context.set_source gp
  context.set_line_width sw
  context.rounded_rectangle sw/2.0+mx, sw/2.0-my, args[:width]-sw, args[:height]-sw, args[:curve]
  context.stroke
  
  img = create_tmp_png surface
  img = Gtk::Image.new img.pixbuf.rotate(ROTATE[@pixbuf_rotate])
  @canvas.put img, args[:left], args[:top]
  img.show_now
  @canvas.remove img if args[:hidden]
  args[:real], args[:app] = img, self
  Rect.new(args).tap{|s| s.click &click_proc if click_proc}
end

#replace_string_to_float(args = {}) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 77

def replace_string_to_float args={}
  [:width, :height, :left, :top].each do |k|
    if args[k].is_a? String
      args[k] = args[k].include?('%') ? args[k].to_f / 100 : args[k].to_i
    end
  end
end

#resize(new_width, new_height) ⇒ Object

Resize the app window.


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# File 'lib/shoes/app.rb', line 769

def resize new_width, new_height
  win.resize new_width, new_height
end

#rgb(r, g, b, l = 1.0) ⇒ Object


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# File 'lib/shoes/app.rb', line 642

def rgb r, g, b, l=1.0
  (r <= 1 and g <= 1 and b <= 1) ? [r, g, b, l] : [r/255.0, g/255.0, b/255.0, l]
end

#rotate(angle) ⇒ Object


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# File 'lib/shoes/app.rb', line 636

def rotate angle
  @pixbuf_rotate, angle = angle.divmod(90)
  @pixbuf_rotate %= 4
  @context_angle = Math::PI * angle / 180
end

#scroll_topObject


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# File 'lib/shoes/app.rb', line 773

def scroll_top
  @swin.vscrollbar.value
end

#scroll_top=(n) ⇒ Object


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# File 'lib/shoes/app.rb', line 777

def scroll_top=(n)
  @swin.vscrollbar.value = n
end

#scrolled=(n) ⇒ Object


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# File 'lib/shoes/app.rb', line 788

def scrolled=(n)
  @_scroll_top = n
end

#scrolled?Boolean

Returns:

  • (Boolean)

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# File 'lib/shoes/app.rb', line 781

def scrolled?
  @_scroll_top ||= 0
  d = scroll_top - @_scroll_top
  @_scroll_top = scroll_top
  d.zero? ? false : d
end

#shape(args = {}, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 589

def shape args={}, &blk
  args[:left] ||= 0
  args[:top] ||= 0
  args[:block] = blk
  shapebase Shape, args
end

#shapebase(klass, args) ⇒ Object


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# File 'lib/shoes/app.rb', line 548

def shapebase klass, args
  blk = args[:block]
  args[:width] ||= 300
  args[:height] ||= 300

  w, h, mx, my = set_rotate_angle(args)

  args = basic_attributes args
  (click_proc = args[:click]; args.delete :click) if args[:click]
  surface = Cairo::ImageSurface.new Cairo::FORMAT_ARGB32, w, h
  context = Cairo::Context.new surface
  args[:strokewidth] = ( args[:strokewidth] or strokewidth or 1 )
  context.set_line_width args[:strokewidth]
  context.set_line_cap(LINECAP[args[:cap]] || cap)

  context.rotate @context_angle
  
  mk_path = proc do |pat|
    gp = gradient pat, args[:width], args[:height], args[:angle]
    context.set_source gp
    context.move_to 0, 0
    klass == Shoes::Star ? context.instance_eval{blk[self, mx, -my]} : context.instance_eval(&blk)
  end

  if pat = (args[:fill] or fill)
    mk_path.call pat
    context.fill
  end
  
  mk_path.call (args[:stroke] or stroke)
  context.stroke
  
  img = create_tmp_png surface
  img = Gtk::Image.new img.pixbuf.rotate(ROTATE[@pixbuf_rotate])
  @canvas.put img, args[:left], args[:top]
  img.show_now
  @canvas.remove img if args[:hidden]
  args[:real], args[:app] = img, self
  klass.new(args).tap{|s| s.click &click_proc if click_proc}
end

#show_appObject


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# File 'lib/plugins/systray.rb', line 77

def show_app()
	win.deiconify	
	win.show 
end

#slot_attributes(args = {}) ⇒ Object


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# File 'lib/shoes/helper_methods.rb', line 71

def slot_attributes args={}
  default = SLOT_ATTRIBUTES_DEFAULT
  replace_string_to_float args
  default.merge args
end

#slot_with_scrollbar(slot, args = {}, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 73

def slot_with_scrollbar slot, args={}, &blk
  args[:left] ||= 0
  args[:top] ||= 0
  args[:width] ||= 200
  args[:height] ||= 200

  app = App.new noapp: true
  app.instance_variable_set :@_w, args[:width]
  app.instance_variable_set :@_h, args[:height]
  def app.width; @_w end
  def app.height; @_h end
  app.win = win

  swin = Gtk::ScrolledWindow.new
  swin.set_size_request args[:width], args[:height]
  swin.set_policy Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC
  swin.vadjustment.step_increment = 10

  layout = Gtk::Layout.new
  swin.add layout
  layout.style = @canvas.style

  app.canvas = layout
  app.top_slot = slot.new app.slot_attributes(app: app, left: args[:left], top: args[:top], width: args[:width], height: args[:height], swin: swin)

  app.instance_eval &blk

  @canvas.put swin, args[:left], args[:top]
  app.top_slot
end

#span(str, args = {}) ⇒ Object


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# File 'lib/shoes/text.rb', line 26

def span str, args={}
  tmp = args.map do |k, v|
    v *= 1000 if v.is_a?(Integer) && k != :weight
    (v = v == 'single' ? 'yes' : 'no') if k == :strikethrough
    k = SPAN_FORM[k] if SPAN_FORM[k]
    if k.to_s.index('_color') and v.is_a?(Array)
      v = v.map{|x| (x * 255).to_i} if v[0].is_a?(Float)
      v = ("#%2s%2s%2s" % v.map{|x| x.to_s 16}).gsub(' ', '0')
    end
    [k, v]
  end
  form = tmp.map{|k, v| "#{k}='#{v}'"}.join(' ')
  "<span #{form}>#{str}</span>"
end

#stack(args = {}, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 53

def stack args={}, &blk
  if args[:scroll]
    slot_with_scrollbar Stack, args, &blk
  else
    args[:app] = self
    (click_proc = args[:click]; args.delete :click) if args[:click]
    Stack.new(slot_attributes(args), &blk).tap{|s| s.click &click_proc if click_proc}
  end
end

#star(*attrs) ⇒ Object


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# File 'lib/shoes/app.rb', line 596

def star *attrs
  args = attrs.last.class == Hash ? attrs.pop : {}
  case attrs.length
    when 2; args[:left], args[:top] = attrs
    when 5; args[:left], args[:top], args[:points], args[:outer], args[:inner] = attrs
    else
  end
  args[:points] ||= 10; args[:outer] ||= 100.0; args[:inner] ||= 50.0
  args[:width] = args[:height] = args[:outer]*2.0
  x = y = outer = args[:outer]
  points, inner = args[:points], args[:inner]

  args[:block] = proc do |s, mx, my|
    x += mx; y += my
    s.move_to x, y + outer
    (1..points*2).each do |i|
      angle =  i * Math::PI / points
      r = (i % 2 == 0) ? outer : inner
      s.line_to x + r * Math.sin(angle), y + r * Math.cos(angle)
    end
  end
  shapebase Star, args
end

#style(klass, args = {}) ⇒ Object


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# File 'lib/shoes/style.rb', line 3

def style klass, args={}
  if klass == Shoes::Link
    @link_style = LINK_DEFAULT.dup
    @link_style.sub!('single', 'none') if args[:underline] == false
    @link_style.sub!("foreground='#06E'", "foreground='#{args[:stroke]}'") if args[:stroke]
    @link_style.sub!('>', " background='#{args[:fill]}'>") if args[:fill]
    @link_style.sub!('normal', "#{args[:weight]}") if args[:weight]
  elsif klass == Shoes::LinkHover
    @linkhover_style = LINKHOVER_DEFAULT.dup
    @linkhover_style.sub!('single', 'none') if args[:underline] == false
    @linkhover_style.sub!("foreground='#039'", "foreground='#{args[:stroke]}'") if args[:stroke]
    @linkhover_style.sub!('>', " background='#{args[:fill]}'>") if args[:fill]
    @linkhover_style.sub!('normal', "#{args[:weight]}") if args[:weight]
  elsif klass.superclass == Shoes::TextBlock or klass == Shoes::Image
    eval("#{klass.to_s[7..-1].upcase}_DEFAULT").clear.merge! args
  end
end

#subtitle(*msg) ⇒ Object


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# File 'lib/shoes/app.rb', line 165

def subtitle *msg; textblock Subtitle, 26, *msg; end

#syst_add_button(label, &prc) ⇒ Object


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# File 'lib/plugins/systray.rb', line 70

def syst_add_button(label,&prc)  @systray_config[label]=prc     ; end

#syst_add_check(label, &prc) ⇒ Object


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# File 'lib/plugins/systray.rb', line 72

def syst_add_check(label,&prc)   @systray_config["+"+label]=prc ; end

#syst_add_sepratatorObject


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# File 'lib/plugins/systray.rb', line 71

def syst_add_sepratator()        @systray_config["--#{@systray_config.size}"]= proc {} ; end

#syst_icon(file) ⇒ Object


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# File 'lib/plugins/systray.rb', line 69

def syst_icon(file)		         @systray_config[:icon]=file     ; end

#syst_quit_button(yes) ⇒ Object


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# File 'lib/plugins/systray.rb', line 73

def syst_quit_button(yes)       @systray_config[:quit]=yes       ; end

#systrayObject


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# File 'lib/plugins/systray.rb', line 64

def systray 
    @systray_config={}
	yield
	@systray=::Gtk::SysTray.new(self.win,@owner.instance_variable_get('@title'),@systray_config)
end

#systray_setup(config) ⇒ Object


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# File 'lib/plugins/systray.rb', line 74

def systray_setup(config)
	@systray=::Gtk::SysTray.new(self.win,@owner.instance_variable_get('@title'),config)
end

#tagline(*msg) ⇒ Object


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# File 'lib/shoes/app.rb', line 166

def tagline *msg; textblock Tagline, 18, *msg; end

#textblock(klass, font_size, *msg) ⇒ Object


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# File 'lib/shoes/app.rb', line 113

def textblock klass, font_size, *msg
  args = msg.last.class == Hash ? msg.pop : {}
  args = eval("#{klass.to_s[7..-1].upcase}_DEFAULT").merge args
  args = basic_attributes args
  args[:markup] = msg.map(&:to_s).join
  args[:markup] = fg(args[:markup], tr_color(args[:stroke])) if args[:stroke]
  args[:markup] = bg(args[:markup], tr_color(args[:fill])) if args[:fill]
  form = {}
  args.each{|k, v| form.merge!({k => v}) if SPAN_FORM[k]}
  args[:markup] = span(args[:markup], form) unless form.empty?
  SPAN_FORM.keys.+([:stroke, :fill]).each{|k| args.delete k}
  text, attr_list = make_pango_attr args[:markup]
  args[:size] ||= font_size
  (args[:size] = font_size * FONT_SIZE[args[:size]]) if FONT_SIZE[args[:size]]
  args[:font] ||= (@font_family or 'sans')
  args[:align] ||= 'left'
  line_height =  args[:size] * 2
  
  args[:links] = make_link_index(msg) unless args[:links]

  if !(args[:left].zero? and args[:top].zero?) and (args[:width].zero? or args[:height].zero?)
    args[:nocontrol], args[:add_mlcs], args[:width], args[:height] = true, true, self.width, self.height
    layout_control = false
  else
    layout_control = true
  end
  
  if args[:create_real] or !layout_control
    args[:width] = 1 if args[:width] <= 0
    layout, context, surface = 
      make_pango_layout args[:size], args[:width], args[:height], args[:align], args[:font], args[:justify], args[:leading], args[:wrap], text, attr_list
    context.show_pango_layout layout
    context.show_page
    
    make_link_pos args[:links], layout, line_height
    
    args[:height] = layout.line_count * line_height
    img = create_tmp_png surface
    @canvas.put img, args[:left], args[:top]
    img.show_now
    @canvas.remove img if args[:hidden]
    args[:real], args[:noorder] = img, layout_control
  else
    args[:real] = false
  end
  
  args[:app] = self
  klass.new args
end

#timer(n = 1, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 360

def timer n=1, &blk
  GLib::Timeout.add 1000*n do
    blk.call
    Shoes.repaint_all_by_order self
    false
  end
end

#title(*msg) ⇒ Object


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# File 'lib/shoes/app.rb', line 164

def title *msg; textblock Title, 34, *msg; end

#tr_color(pat) ⇒ Object


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# File 'lib/shoes/app.rb', line 688

def tr_color pat
  if pat.is_a?(String) and pat[0] == '#'
    color = pat[1..-1]
    color = color.gsub(/(.)/){$1 + '0'} if color.length == 3
    rgb *color.gsub(/(..)/).map{$1.hex}
  else
    pat
  end
end

#tree_view(titles, tables) ⇒ Object


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# File 'lib/plugins/treeview.rb', line 3

def tree_view titles, tables
  @tree_view_methods = titles.map{|s| s.downcase.gsub(' ', '_').to_sym}
  @tree_view_row = Struct.new *@tree_view_methods
  tree = mk_tree tables
  @tree_view_paths, @tree_view_rows = [], {}
  mk_path tree
  tmp = tree.flatten
  @tree_view_paths.each_with_index do |path, i|
    @tree_view_rows[path] = tmp[i]
  end
  
  titles.each_with_index do |name, i|
    canvas.append_column Gtk::TreeViewColumn.new(name, Gtk::CellRendererText.new, "text" => i)
  end
  @tree_view_store = Gtk::TreeStore.new *Array.new(@tree_view_methods.length){String}
  
  mk_column tree
  canvas.model = @tree_view_store
  
  canvas.signal_connect("cursor-changed") do |s|
    yield @tree_view_rows[s.cursor[0].to_str]
  end if block_given?
end

#video(uri) ⇒ Object


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# File 'lib/plugins/video.rb', line 101

def video uri
  args = {}
  uri = File.join('file://', uri.gsub("\\", '/').sub(':', '')) unless uri =~ /^(http|https|file):\/\//
  require 'gst'
  require 'win32api'
  v = Gst::ElementFactory.make 'playbin2'
  v.video_sink = Gst::ElementFactory.make('dshowvideosink')
  v.video_sink = Gst::ElementFactory.make('directdrawsink') unless v.video_sink
  v.uri = uri
  args[:real], args[:app] = v, self
  Video.new args
end

#visit(url) ⇒ Object


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# File 'lib/shoes/app.rb', line 36

def visit url
  if url =~ /^(http|https):\/\//
    Thread.new do
      case RUBY_PLATFORM
      when /mingw/; system "start #{url}"
      when /linux/; system("/etc/alternatives/x-www-browser #{url} &")
      else
        puts "Sorry, your platform [#{RUBY_PLATFORM}] is not supported..."
      end
    end
  else
    timer 0.001 do
      $urls.each{|k, v| clear{init_app_vars; @location = url; v.call self, $1} if k =~ url}
    end
  end
end

#web_server(port = 9908, config = {}) ⇒ Object


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# File 'lib/plugins/httpd.rb', line 203

def web_server(port=9908,config={}) 
	@ws=WebserverRoot.new(port,"/","green-shoes",10,300, {})
	@html_menu="<div>"+config.map {|label,proc| "<a href='%s'>%s</a>" % [label,label.size>1 ? label[1..-1].capitalize : "Home"] }.join(" ")+"</div>"
	lm=[]
	config.each { |key,proc| 
		case key
			when String
			lm << [key,key.gsub(/\//,"")]
			@ws.serve(key) {
			   [200,".html",@template_proc.call(proc.call(self))]
			}
			when :template
			   @template_proc=proc
			when :menu
			   @html_menu="<div>"+proc.map {|label,href| "[<a href='%s'>%s</a>]" % [href,label] }.join(" ")+"</div>"
			else
			  raise("option web serveur unknown : <#{key}>")
		end
	}
	if ! config[:menu]
		@html_menu="<hr><div>"+lm.map {|href,label| "<a href='%s'>%s</a>" % [href,label.size>1 ? label[1..-1].capitalize : "Home"] }.join(" ")+"</div>"
	end
	if ! config[:template]
		@template_proc= proc {|body| "<html><body><center><h2> #{Time.now}</h2></center>"+@html_menu+"<hr>"+body+"<hr></body></html>"}
	end
	puts "  WebServer ready on http://host:#{port}/"
	@ws
end

#window(args = {}, &blk) ⇒ Object


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# File 'lib/shoes/app.rb', line 816

def window args={}, &blk
  args.merge! owner: self
  Shoes.app args, &blk
end