Class: TECSCDE::View::MainView

Inherits:
Object
  • Object
show all
Includes:
Constants
Defined in:
lib/tecscde/view/main_view.rb

Overview

MainView class

Constant Summary collapse

@@colors =

colors

nil
@@colormap = 
nil

Constants included from Constants

Constants::ALIGN_CENTER, Constants::ALIGN_LEFT, Constants::ALIGN_RIGHT, Constants::CELLTYPE_NAME, Constants::CELL_NAME, Constants::CELL_NAME_L, Constants::CHAR_A, Constants::CHAR_Z, Constants::CHAR__, Constants::CURSOR_JOINING, Constants::CURSOR_JOIN_OK, Constants::CURSOR_NORMAL, Constants::CURSOR_PORT, Constants::Color_editable, Constants::Color_editable_cell, Constants::Color_highlight, Constants::Color_incomplete, Constants::Color_uneditable, Constants::Color_unjoin, Constants::DPI, Constants::GAP_ACTIVE, Constants::GAP_PORT, Constants::PAPER_COMMENT, Constants::PAPER_MARGIN, Constants::PORT_NAME, Constants::SCALE, Constants::SCALE_HEIGHT, Constants::SCALE_VAL_INI, Constants::SCALE_VAL_MAX, Constants::SCALE_VAL_MIN, Constants::SIGNATURE_NAME, Constants::TEXT_HORIZONTAL, Constants::TEXT_VERTICAL, Constants::TRIANGLE_HEIGHT, Constants::TRIANGLE_LEN

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(model, control) ⇒ MainView

Returns a new instance of MainView.



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# File 'lib/tecscde/view/main_view.rb', line 125

def initialize(model, control)
  @model = model
  @control = control
  @paper = :A3L
  @b_emphasize_cell_name = false
  @b_color_by_region = false
  MainView.setup_colormap

  @main_window = Gtk::Window.new(Gtk::Window::TOPLEVEL)
  @main_window_width = width = 900
  @main_window_height = height = 600
  @main_window.title = "TECSCDE - TECS Component Diagram Editor"
  @main_window.set_default_size(width, height)
  @main_window.sensitive = true
  @main_window.signal_connect("delete-event") do |_window, *_args|
    TECSCDE.quit(@model, @main_window)
    true
  end
  # KEY-PRESS event action
  @main_window.signal_connect("key-press-event") do |_win, event|
    if @entry_win.visible?
      # while cell name editing, send forward to Entry window
      event.set_window(@entry_win.window)
      event.put
    else
      @control.key_pressed(event.keyval & 0xff, event.state)
    end
  end
  @main_window.signal_connect("focus-in-event") do |win, event|
    # p "event:#{event.class} in"
  end
  @main_window.signal_connect("focus-out-event") do |win, event|
    # p "event:#{event.class} out"
  end
  @main_window.signal_connect("grab-broken-event") do |win, event|
    # p "event:#{event.class}"
  end
  @main_window.signal_connect("grab-focus") do |win|
    # p "event:grab-focus"
  end
  @main_window.signal_connect("grab-notify") do |win, arg1|
    # p "event:grab-notify"
  end

  create_hscale
  create_hbox

  @vbox = Gtk::VBox.new
  # @vbox.set_resize_mode Gtk::RESIZE_IMMEDIATE
  # p @vbox.resize_mode
  @main_window.add(@vbox)

  @scrolled_window = Gtk::ScrolledWindow.new
  # @scrolled_window.signal_connect("expose_event") { |win, evt|
  #   gdkWin = @scrolled_window.window
  #   gc = Gdk::GC.new gdkWin
  #   gdkWin.draw_rectangle( gc, true, 0, 0, 10000, 10000 )
  # }

  @vbox.pack_start(@scrolled_window)
  @vbox.pack_end(@hbox, false) # expand = false

  create_canvas
  @scrolled_window.set_size_request(width, height - SCALE_HEIGHT)

  @main_window.show_all

  create_edit_window
end

Class Method Details

.setup_colormap ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 1077

def self.setup_colormap
  if !@@colors.nil?
    return
  end

  @@colors = {}
  @@colormap = Gdk::Colormap.system

  [
    :black, :white, :gray, :yellow, :orange, :skyblue, :magenta, :red, :blue, :green,
    :cyan, :brown, :violet, :lavender, :MistyRose, :lightyellow, :LightCyan, :Beige,
    :PapayaWhip, :Violet, :pink
  ].each do |color_name|
    setup_colormap_1 color_name
  end
  setup_colormap_2(:ultraLightGreen, Gdk::Color.new(0xE000, 0xFF00, 0xE000))
  setup_colormap_1(Color_editable_cell)

  @@cell_paint_colors = [
    :MistyRose, :lightyellow, :LightCyan, :ultraLightGreen, :lavender, :Beige,
    :PapayaWhip, :Violet, :pink
  ]
  # plum: light purble (pastel)
  # pink: light magenta (pastel)
  # lavender: light blue (pastel)
  # lightyellow: light yellow (pastel)
  @@cell_paint_color_index = 0
  @@cell_file_to_color = {}
end

.setup_colormap_1(name) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 1107

def self.setup_colormap_1(name)
  color = Gdk::Color.parse(name.to_s)
  setup_colormap_2(name, color)
end

.setup_colormap_2(name, color) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 1112

def self.setup_colormap_2(name, color)
  @@colors[name] = color
  @@colormap.alloc_color(color, false, true)
end

Instance Method Details

#begin_edit_name(cell, time) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 996

def begin_edit_name(cell, time)
  @entry.set_text(cell.get_name)

  x, y, w, h = get_cell_name_edit_area(cell)
  # p "x=#{x} y=#{y} w=#{w} h=#{h}"
  @entry_win.window.move(x - 3, y - 6)    # Gdk level operation
  @entry_win.window.resize(w + 6, h + 8)  # Gdk level operation
  @entry_win.show_all
end

#canvas_gc_reset ⇒ Object

—— handle CanvasGC ——#



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# File 'lib/tecscde/view/main_view.rb', line 1061

def canvas_gc_reset
  @canvas_gc.function = Gdk::GC::COPY
  @canvas_gc.fill = Gdk::GC::SOLID
  @canvas_gc.foreground = @@colors[Color_editable]

  @cairo_context_target.restore
  @cairo_context_target.save # prepare for next time
  @cairo_context_target.matrix = @cairo_matrix
end

#canvas_gc_set_line_width(width) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 1071

def canvas_gc_set_line_width(width)
  line_attr = @canvas_gc.line_attributes
  line_attr[0] = width
  @canvas_gc.set_line_attributes(*line_attr)
end

#clear_canvas_pixmap ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 309

def clear_canvas_pixmap
  @canvas_gc.function = Gdk::GC::SET
  @canvas_gc.fill = Gdk::GC::SOLID
  @canvas_gc.foreground = Gdk::Color.new(255, 255, 255)
  @canvas_pixmap.draw_rectangle(@canvas_gc, true, 0, 0, @canvas_width, @canvas_height)
  canvas_gc_reset
  # p "color = #{@canvas_gc.foreground.red}, #{@canvas_gc.foreground.green}, #{@canvas_gc.foreground.blue}"
end

#create_canvas ⇒ Object

create canvas



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# File 'lib/tecscde/view/main_view.rb', line 202

def create_canvas
  @canvas = Canvas.new
  resize_canvas
  TECSCDE.logger.debug("canvas width=#{@canvas_width}, height=#{@canvas_height}")

  # BUTTON PRESS event action
  @canvas.signal_connect("button-press-event") do |_canvas, event| # canvas = @canvas
    TECSCDE.logger.debug("pressed #{event}")
    xd, yd = event.coords
    xm = dot2mm(xd)
    ym = dot2mm(yd)

    case event.event_type
    when Gdk::Event::BUTTON_PRESS   # single click or before ddouble, triple click
      click_count = 1
    when Gdk::Event::BUTTON2_PRESS  # double click
      click_count = 2
    when Gdk::Event::BUTTON3_PRESS  # triple click
      click_count = 3
    else
      click_count = 1
    end
    @control.pressed_on_canvas(xm, ym, event.state, event.button, event.time, click_count)
  end
  # BUTTON RELEASE event action
  @canvas.signal_connect("button-release-event") do |_canvas, event|
    TECSCDE.logger.debug("released #{event}")
    xd, yd = event.coords
    xm = dot2mm(xd)
    ym = dot2mm(yd)
    @control.released_on_canvas(xm, ym, event.state, event.button)
  end
  # MOTION event action
  @canvas.signal_connect("motion-notify-event") do |_canvas, event|
    TECSCDE.logger.debug("motion #{event}")
    xd, yd = event.coords
    xm = dot2mm(xd)
    ym = dot2mm(yd)
    @control.motion_on_canvas(xm, ym, event.state)
  end
  # EXPOSE event action
  @canvas.signal_connect("expose_event") do |_win, _evt|
    refresh_canvas
  end

  # add events to receive
  @canvas.add_events(Gdk::Event::POINTER_MOTION_MASK |
                      Gdk::Event::BUTTON_PRESS_MASK  |
                      Gdk::Event::BUTTON_RELEASE_MASK |
                      Gdk::Event::PROPERTY_CHANGE_MASK |
                      Gdk::Event::KEY_PRESS_MASK)

  @scrolled_window.add_with_viewport(@canvas)
  # it seems that gdkWindow is nil before window.show or realize
  @canvas.realize
  @gdk_window = @canvas.window
  @canvas_gc = Gdk::GC.new(@gdk_window)

  # prepare pixmap (buffer for canvas)
  #  pixmap cannot be resized, so we have the largest one at initial.
  @canvas_pixmap = Gdk::Pixmap.new(@gdk_window,
                                   @canvas_width  * SCALE_VAL_MAX / SCALE_VAL_INI,
                                   @canvas_height * SCALE_VAL_MAX / SCALE_VAL_INI,
                                   @gdk_window.depth)
  # @draw_target = @canvas_pixmap
  @cairo_context_pixmap = @canvas_pixmap.create_cairo_context
  @cairo_context_pixmap.save
  # @cairo_context_win = @gdk_window.create_cairo_context
  # @cairo_context_win.save
  @cairo_context_target = @cairo_context_pixmap
  @cairo_matrix = TECSCDE::View::CairoMatrix.new

  # prepare text renderer
  @pango_context = Gdk::Pango.context
  @pango_layout = Pango::Layout.new(@pango_context)
  @pango_matrix = Pango::Matrix.new.rotate!(90)
end

#create_edit_window ⇒ Object

———- Cell name editor ———#



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# File 'lib/tecscde/view/main_view.rb', line 982

def create_edit_window
  @entry = Gtk::Entry.new
  @entry.set_has_frame(true)

  @entry_win = Gtk::Window.new(Gtk::Window::TOPLEVEL)
  @entry_win.add(@entry)
  @entry_win.realize
  @entry_win.window.reparent(@canvas.window, 0, 0) # Gdk level operation

  # these steps are to avoid to move ( 0, 0 ) at 1st appear
  @entry_win.show_all
  @entry_win.hide
end

#create_hbox ⇒ Object

—— HBox ——#



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# File 'lib/tecscde/view/main_view.rb', line 337

def create_hbox
  @hbox = Gtk::HBox.new
  #----- emphasize_cell_name button -----#
  @emphasize_cell_name_button = Gtk::ToggleButton.new("Emphasize Cell Name")
  @emphasize_cell_name_button.signal_connect("toggled") do |button|
    @b_emphasize_cell_name = button.active?
    paint_canvas
  end
  @hbox.pack_start(@emphasize_cell_name_button)

  #----- color by region button -----#
  # @color_by_region_button = Gtk::ToggleButton.new( "Color by Region" )
  @color_by_region_button = Gtk::CheckButton.new("Color by Region")
  @color_by_region_button.signal_connect("toggled") do |button|
    @b_color_by_region = button.active?
    # @color_by_region_button.label =  button.active? ? "Color by File" : "Color by Region"
    paint_canvas
  end
  @hbox.pack_start(@color_by_region_button)
  @hbox.pack_end(@hscale)
end

#create_hscale ⇒ Object

—— HScale ——#



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# File 'lib/tecscde/view/main_view.rb', line 360

def create_hscale
  @scale_val = SCALE_VAL_INI
  @hscale = Gtk::HScale.new(SCALE_VAL_MIN, SCALE_VAL_MAX, 1)
  @hscale.set_digits(0) # 小数点以下
  @hscale.set_value(@scale_val)
  @hscale.set_size_request(@main_window_width, SCALE_HEIGHT)
  @hscale.signal_connect("value-changed") do |scale_self, _scroll_type|
    # set scale_val in the range [SCALE_VAL_MIN..SCALE_VAL_MAX]
    scale_val = scale_self.value
    if scale_val > SCALE_VAL_MAX
      scale_val = SCALE_VAL_MAX
    elsif scale_val < SCALE_VAL_MIN
      scale_val = SCALE_VAL_MIN
    end
    @scale_val = scale_val
    TECSCDE.logger.debug("scale_val=#{@scale_val}")

    resize_canvas
    paint_canvas
  end
end

#div_string(str) ⇒ Object

MainView#div_string

divide string near center at A-Z or ‘_’



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# File 'lib/tecscde/view/main_view.rb', line 1213

def div_string(str)
  len = str.length
  if len <= 4
    return [str, ""]
  end

  center = len / 2
  i = 0
  n = 0
  while (center / 2 > i) && (i < center) && !str[center + i].nil?
    char_i = str[center - i]
    char_j = str[center + i]
    if char_j == CHAR__ || (CHAR_A <= char_j && char_j <= CHAR_Z)
      n = center + i
      break
    elsif CHAR_A <= char_i && char_i <= CHAR_Z
      n = center - i
      break
    elsif char_i == CHAR__
      n = center - i + 1
      break
    end
    i += 1
  end
  if n > 0
    return [str[0, n], str[n, len]]
  else
    return [str[0, len / 2], str[len / 2, len]]
  end
end

#dot2mm(dot) ⇒ Object

convert dot to mm



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# File 'lib/tecscde/view/main_view.rb', line 1036

def dot2mm(dot)
  dot * 100 * 25.4 / DPI / @scale_val
end

#draw_bar_direct(bar) ⇒ Object

TView#draw_bar_direct

directly draw on Window



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# File 'lib/tecscde/view/main_view.rb', line 701

def draw_bar_direct(bar)
  draw_target_direct

  join = bar.get_join
  cport = join.cport
  bars = join.bars
  x, y = cport.get_position
  xm = mm2dot(x)
  ym = mm2dot(y)

  canvas_gc_set_line_width(2)

  bars.each do |bar2|
    if @control.highlighted_objects.include?(bar2)
      color = @@colors[Color_highlight]
    elsif join.editable?
      color = @@colors[Color_editable]
    else
      color = @@colors[Color_uneditable]
    end
    @canvas_gc.foreground = color
    @cairo_context_target.set_source_color(color)

    if bar2.horizontal?
      xm2 = mm2dot(bar2.get_position)
      @gdk_window.draw_line(@canvas_gc, xm, ym, xm2, ym)
      xm = xm2
    else # VBar
      ym2 = mm2dot(bar2.get_position)
      @gdk_window.draw_line(@canvas_gc, xm, ym, xm, ym2)
      ym = ym2
    end
  end

  canvas_gc_set_line_width(1)
  canvas_gc_reset

  draw_target_reset
end

#draw_cell(cell) ⇒ Object

—— Draw Contents on CANVAS ——#



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# File 'lib/tecscde/view/main_view.rb', line 384

def draw_cell(cell)
  #----- calc position in dot -----#
  x, y, w, h = cell.get_geometry
  x1 = mm2dot(x)
  y1 = mm2dot(y)
  x2 = mm2dot(x + w)
  y2 = mm2dot(y + h)
  w1 = mm2dot(w)
  h1 = mm2dot(h)

  #----- paint cell -----#
  color = get_cell_paint_color(cell)
  # @canvas_gc.set_foreground color
  # @draw_target.draw_rectangle( @canvas_gc, true, x1, y1, w1, h1 )

  @cairo_context_target.rectangle(x1, y1, w1, h1)
  @cairo_context_target.set_source_color(color)
  @cairo_context_target.fill

  #----- setup color -----#
  if !cell.editable?
    # @canvas_gc.set_foreground @@colors[ Color_uneditable ]
    @cairo_context_target.set_source_color(@@colors[Color_uneditable])
  else
    # @canvas_gc.set_foreground @@colors[ Color_editable ]
    @cairo_context_target.set_source_color(@@colors[Color_editable])
  end

  #----- draw cell rect -----#
  # @draw_target.draw_rectangle( @canvas_gc, false, x1, y1, w1, h1 )
  # @cairo_context_target.rectangle(x1, y1, w1, h1)
  @cairo_context_target.rectangle(x1 + 0.5, y1 + 0.5, w1, h1)
  @cairo_context_target.set_line_width(1)
  @cairo_context_target.stroke

  gap = mm2dot(GAP_ACTIVE)
  gap = 2 if gap < 2 # if less than 2 dots, let gap 2 dots
  if cell.get_celltype&.is_active?
    # @draw_target.draw_rectangle( @canvas_gc, false, x1 + gap, y1 + gap, w1 - 2 * gap, h1 - 2 * gap )
    @cairo_context_target.rectangle(x1 + gap + 0.5, y1 + gap + 0.5, w1 - 2 * gap, h1 - 2 * gap)
    @cairo_context_target.set_line_width(1)
    @cairo_context_target.stroke
  end

  #----- draw entry ports triangle -----#
  cell.eports.each do |_name, eport|
    if !eport.array?
      draw_entry_port_triangle(eport)
    else
      if cell.editable? && eport.unsubscripted_array?
        # @canvas_gc.set_foreground @@colors[ :brown ]
        @cairo_context_target.set_source_color(@@colors[:brown])
      end
      # EPortArray
      eport.ports.each do |ep|
        draw_entry_port_triangle(ep)
      end
      if cell.editable? && eport.unsubscripted_array?
        # @canvas_gc.set_foreground @@colors[ Color_editable ]
        @cairo_context_target.set_source_color(@@colors[Color_editable])
      end
    end
  end

  #----- draw cell name & celltype name -----#
  cell_name = cell.get_name
  ct_name = cell.get_celltype.get_name
  label = cell_name.to_s + "\n" + ct_name.to_s
  unless cell.complete?
    # @canvas_gc.set_foreground @@colors[ Color_incomplete ]
    @cairo_context_target.set_source_color(@@colors[Color_incomplete])
  end
  # draw_text( x1 + w1/2, y1+h1/2, label, CELL_NAME, ALIGN_CENTER, TEXT_HORIZONTAL )

  if @b_emphasize_cell_name
    wmn, hmn = get_text_extent(cell_name.to_s, CELL_NAME_L, ALIGN_CENTER, TEXT_HORIZONTAL)
    if wmn > w
      s1, s2 = div_string(cell_name.to_s)
      draw_text(x1 + w1 / 2, y1 + h1 / 2 - mm2dot(hmn) / 2, s1, CELL_NAME_L, ALIGN_CENTER, TEXT_HORIZONTAL)
      draw_text(x1 + w1 / 2, y1 + h1 / 2 + mm2dot(hmn) / 2, s2, CELL_NAME_L, ALIGN_CENTER, TEXT_HORIZONTAL)
    else
      draw_text(x1 + w1 / 2, y1 + h1 / 2, cell_name.to_s, CELL_NAME_L, ALIGN_CENTER, TEXT_HORIZONTAL)
    end
  else
    wmn, hmn = get_text_extent(cell_name.to_s, CELL_NAME, ALIGN_CENTER, TEXT_HORIZONTAL)
    draw_text(x1 + w1 / 2, y1 + h1 / 2 + mm2dot(hmn) / 2, cell_name.to_s, CELL_NAME, ALIGN_CENTER, TEXT_HORIZONTAL)
    draw_text(x1 + w1 / 2, y1 + h1 / 2 - mm2dot(hmn) / 2, ct_name.to_s,   CELLTYPE_NAME, ALIGN_CENTER, TEXT_HORIZONTAL)
  end

  #----- draw port name -----#
  cell.cports.merge(cell.eports).each do |_name, port|
    if !port.array?
      set_port_color(port, cell)
      draw_port_name(port)
    else
      #--- prot array ---#
      port.ports.each do |pt|
        set_port_color pt, cell
        draw_port_name(pt)
      end
    end
  end

  canvas_gc_reset
end

#draw_cell_rect_direct(cell) ⇒ Object

TView#draw_cell_rect_direct

directly draw on Window highlighted cell rect



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# File 'lib/tecscde/view/main_view.rb', line 578

def draw_cell_rect_direct(cell)
  draw_target_direct

  #----- set line width -----#
  canvas_gc_set_line_width(2)
  # @cairo_context_target.set_line_width(2)

  #----- if uneditable change color ------#
  unless cell.editable?
    @canvas_gc.set_foreground(@@colors[Color_uneditable])
    # @cairo_context_target.set_source_color( @@colors[ Color_uneditable ] )
  end

  #----- calc position in dot -----#
  x, y, w, h = cell.get_geometry
  x1 = mm2dot(x)
  y1 = mm2dot(y)
  w1 = mm2dot(w)
  h1 = mm2dot(h)

  #----- draw cell rect -----#
  @gdk_window.draw_rectangle(@canvas_gc, false, x1, y1, w1, h1)
  # @cairo_context_target.rectangle(x1, y1, w1, h1)
  # @cairo_context_target.stroke

  #----- reset GC, line width -----#
  canvas_gc_reset
  canvas_gc_set_line_width(1)
  draw_target_reset
end

#draw_entry_port_triangle(eport) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 509

def draw_entry_port_triangle(eport)
  triangle_1_2 = mm2dot(TRIANGLE_LEN / 2)
  triangle_hi  = mm2dot(TRIANGLE_HEIGHT)
  x1, y1 = eport.get_position
  xe = mm2dot(x1)
  ye = mm2dot(y1)
  case eport.get_edge_side
  when TECSModel::EDGE_TOP
    points = [[xe - triangle_1_2, ye], [xe + triangle_1_2, ye], [xe, ye + triangle_hi]]
  when TECSModel::EDGE_BOTTOM
    points = [[xe - triangle_1_2, ye], [xe + triangle_1_2, ye], [xe, ye - triangle_hi]]
  when TECSModel::EDGE_LEFT
    points = [[xe, ye - triangle_1_2], [xe, ye + triangle_1_2], [xe + triangle_hi, ye]]
  when TECSModel::EDGE_RIGHT
    points = [[xe, ye - triangle_1_2], [xe, ye + triangle_1_2], [xe - triangle_hi, ye]]
  end
  # fill = true
  # @draw_target.draw_polygon( @canvas_gc, fill, points )
  @cairo_context_target.triangle(*points[0], *points[1], *points[2])
  @cairo_context_target.fill
end

#draw_highlight_objects(obj_list) ⇒ Object

TView#draw_highlight_objects



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# File 'lib/tecscde/view/main_view.rb', line 561

def draw_highlight_objects(obj_list)
  obj_list.each do |obj|
    if obj.is_a?(TECSModel::TmCell)
      draw_cell_rect_direct(obj)
      # draw_target_direct
      # draw_cell(obj)
      # draw_target_reset
    elsif obj.is_a?(TECSModel::TmPort)
      draw_port_direct(obj)
    elsif obj.is_a?(TECSModel::TmJoinBar)
      draw_bar_direct(obj)
    end
  end
end

#draw_join(join) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 646

def draw_join(join)
  cport = join.cport
  eport = join.eport
  bars = join.bars
  x, y = cport.get_position
  xm = mm2dot(x) + 0.5
  ym = mm2dot(y) + 0.5

  #----- setup color -----#
  unless join.editable?
    # @canvas_gc.set_foreground @@colors[ Color_uneditable ]
    @cairo_context_target.set_source_color(@@colors[Color_uneditable])
  end

  @cairo_context_target.move_to(xm, ym)
  #----- draw bars -----#
  bars.each do |bar|
    if bar.horizontal?
      xm2 = mm2dot(bar.get_position) + 0.5
      # @draw_target.draw_line( @canvas_gc, xm, ym, xm2, ym )
      @cairo_context_target.line_to(xm2, ym)
      xm = xm2
    else # VBar
      ym2 = mm2dot(bar.get_position) + 0.5
      # @draw_target.draw_line( @canvas_gc, xm, ym, xm, ym2 )
      @cairo_context_target.line_to(xm, ym2)
      ym = ym2
    end
  end
  @cairo_context_target.set_line_width(1)
  @cairo_context_target.stroke

  #----- draw signature name -----#
  if eport.get_joins[0] == join
    # draw only 1st entry port join

    if (eport.get_subscript.nil? || eport.get_subscript == 0) &&
        (join.cport.get_subscript.nil? || join.cport.get_subscript == 0)

      if bars[2].vertical?
        xm = mm2dot((bars[1].get_position + bars[3].get_position) / 2)
        ym = mm2dot(bars[2].get_position + 2)
      else
        xm = mm2dot((bars[0].get_position + bars[2].get_position) / 2)
        ym = mm2dot(bars[1].get_position + 2)
      end
      draw_text(xm, ym, join.get_signature.get_name.to_s, SIGNATURE_NAME, ALIGN_CENTER, TEXT_HORIZONTAL)
    end
  end

  canvas_gc_reset
end

#draw_port_direct(port) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 609

def draw_port_direct(port)
  draw_target_direct

  #----- set line width -----#
  @canvas_gc.set_foreground(@@colors[Color_highlight])
  # @cairo_context_target.set_source_color( @@colors[ Color_highlight ] )
  draw_port_name(port)

  if port.is_a?(TECSModel::TmEPort)
    draw_entry_port_triangle(port)
  end

  canvas_gc_set_line_width(2)
  x, y = port.get_position
  x1 = x2 = mm2dot(x)
  y1 = y2 = mm2dot(y)
  case port.get_edge_side
  when TECSModel::EDGE_TOP
    y1 -= 20
  when TECSModel::EDGE_BOTTOM
    y2 += 20
  when TECSModel::EDGE_LEFT
    x1 -= 20
  when TECSModel::EDGE_RIGHT
    x2 += 20
  end
  @gdk_window.draw_line(@canvas_gc, x1, y1, x2, y2)
  # @cairo_context_target.move_to( x1, y1 )
  # @cairo_context_target.line_to( x2, y2 )

  #----- reset GC, line width -----#
  canvas_gc_reset
  canvas_gc_set_line_width(1)

  draw_target_reset
end

#draw_port_name(port) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 531

def draw_port_name(port)
  x1, y1 = port.get_position
  xp = mm2dot(x1)
  yp = mm2dot(y1)
  case port.get_edge_side
  when TECSModel::EDGE_TOP
    alignment = ALIGN_LEFT
    direction = TEXT_VERTICAL
  when TECSModel::EDGE_BOTTOM
    alignment = ALIGN_RIGHT
    direction = TEXT_VERTICAL
  when TECSModel::EDGE_LEFT
    alignment = ALIGN_RIGHT
    direction = TEXT_HORIZONTAL
  when TECSModel::EDGE_RIGHT
    xp += 2
    alignment = ALIGN_LEFT
    direction = TEXT_HORIZONTAL
  end
  name = port.get_name.to_s
  subscript = port.get_subscript
  if subscript
    if subscript >= 0
      name += "[#{subscript}]"
    end
  end
  draw_text(xp, yp, name, PORT_NAME, alignment, direction)
end

#draw_target_direct ⇒ Object

TmView#draw_target_direct

change draw target to Window



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# File 'lib/tecscde/view/main_view.rb', line 324

def draw_target_direct
  # @draw_target = @gdk_window
  # @cairo_context_target = @cairo_context_win
end

#draw_target_reset ⇒ Object

TmView#draw_target_reset

reset draw target to canvasPixmap



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# File 'lib/tecscde/view/main_view.rb', line 331

def draw_target_reset
  # @draw_target = @canvas_pixmap
  # @cairo_context_target = @cairo_context_pixmap
end

#draw_text(x, y, text, obj_type, alignment, direction) ⇒ Object

x::Integer(dot) y::Integer(dot) obj_type::CELL_NAME, SIGNATURE_NAME, PORT_NAME alignment::ALIGN_CENTER, ALIGN_LEFT



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# File 'lib/tecscde/view/main_view.rb', line 776

def draw_text(x, y, text, obj_type, alignment, direction)
  if direction == TEXT_VERTICAL
    draw_text_v(x, y, text, obj_type, alignment)
  else
    draw_text_h(x, y, text, obj_type, alignment)
  end
end

#draw_text_h(x, y, text, obj_type, alignment) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 784

def draw_text_h(x, y, text, obj_type, alignment)
  # draw_text_h_gdk( x, y, text, obj_type, alignment )
  draw_text_h_cairo(x, y, text, obj_type, alignment)
  # draw_text_h_cairo_pango( x, y, text, obj_type, alignment )
end

#draw_text_h_cairo(x, y, text, obj_type, alignment) ⇒ Object

—– Cairo version —–#



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# File 'lib/tecscde/view/main_view.rb', line 826

def draw_text_h_cairo(x, y, text, obj_type, alignment)
  cr = @cairo_context_target
  cr.select_font_face(nil, # "courier", # font_family = "Times New Roman",
                      Cairo::FONT_SLANT_NORMAL,
                      Cairo::FONT_WEIGHT_NORMAL)
  cr.set_font_size(font_size(obj_type) / 1000)
  cr_te = cr.text_extents(text)
  # p "width=#{cr_te.width} x_bearing=#{cr_te.x_bearing} height=#{cr_te.height} y_bearing=#{cr_te.y_bearing}"
  case alignment
  when ALIGN_CENTER
    # calc text draww postion
    x2 = x - (cr_te.width + cr_te.x_bearing) / 2
    y2 = y - cr_te.y_bearing / 2
  when ALIGN_RIGHT
    x2 = x - cr_te.width - cr_te.x_bearing - mm2dot(GAP_PORT)
    y2 = y - cr_te.height - cr_te.y_bearing - 2
  when ALIGN_LEFT
    x2 = x + mm2dot(GAP_PORT)
    y2 = y - cr_te.height - cr_te.y_bearing - 2
  end
  cr.move_to(x2, y2)
  cr.show_text(text)
end

#draw_text_h_cairo_pango(x, y, text, obj_type, alignment) ⇒ Object

—– Cairo Pango version —–#



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# File 'lib/tecscde/view/main_view.rb', line 851

def draw_text_h_cairo_pango(x, y, text, obj_type, alignment)
  cr = @cairo_context_target
  # pfd = Pango::FontDescription.new( "Times" )
  pfd = Pango::FontDescription.new
  pfd.absolute_size = font_size(obj_type)
  plo = cr.create_pango_layout
  plo.font_description = pfd
  plo.alignment = alignment
  plo.set_text(text)
  rect2 = plo.get_pixel_extents[1]

  case alignment
  when ALIGN_CENTER
    # calc text draww postion
    x2 = x - rect2.rbearing / 2
    y2 = y - rect2.descent / 2
  when ALIGN_RIGHT
    x2 = x - rect2.rbearing - mm2dot(GAP_PORT)
    y2 = y - rect2.descent
  when ALIGN_LEFT
    x2 = x + mm2dot(GAP_PORT)
    y2 = y - rect2.descent
  end
  cr.move_to(x2, y2)
  cr.show_pango_layout(plo)
end

#draw_text_h_gdk(x, y, text, obj_type, alignment) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 790

def draw_text_h_gdk(x, y, text, obj_type, alignment)
  #----- Gdk Pango version -----#
  pc = @pango_context
  plo = @pango_layout
  pc.matrix = nil
  plo.text = text
  pfd = pc.font_description
  pfd.absolute_size = font_size(obj_type)
  plo.font_description = pfd
  plo.alignment = alignment
  # plo.context_changed          # ??
  rect2 = plo.get_pixel_extents[1]

  case alignment
  when ALIGN_CENTER
    # calc text draww postion
    x2 = x - rect2.rbearing / 2
    y2 = y - rect2.descent / 2
  when ALIGN_RIGHT
    x2 = x - rect2.rbearing - mm2dot(GAP_PORT)
    y2 = y - rect2.descent
  when ALIGN_LEFT
    x2 = x + mm2dot(GAP_PORT)
    y2 = y - rect2.descent
  end

  # pfd =  Pango::FontDescription.new
  # p pfd.size, pfd.variant, pfd.family
  # rect = plo.get_pixel_extents[0]
  # p rect.ascent, rect.descent, rect.lbearing, rect.rbearing
  # p rect2.ascent, rect2.descent, rect2.lbearing, rect2.rbearing

  @draw_target.draw_layout(@canvas_gc, x2, y2, plo)
end

#draw_text_v(x, y, text, obj_type, alignment) ⇒ Object

x::Integer(dot) y::Integer(dot) obj_type::CELL_NAME, SIGNATURE_NAME, PORT_NAME alignment::ALIGN_CENTER, ALIGN_LEFT



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# File 'lib/tecscde/view/main_view.rb', line 882

def draw_text_v(x, y, text, obj_type, alignment)
  # draw_text_v_gdk( x, y, text, obj_type, alignment )
  draw_text_v_cairo(x, y, text, obj_type, alignment)
  # draw_text_v_cairo_pango( x, y, text, obj_type, alignment )
end

#draw_text_v_cairo(x, y, text, obj_type, alignment) ⇒ Object

—– Cairo version —–#



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# File 'lib/tecscde/view/main_view.rb', line 919

def draw_text_v_cairo(x, y, text, obj_type, alignment)
  cr = @cairo_context_target
  cr.select_font_face(nil, # "courier", # font_family = "Times New Roman",
                      Cairo::FONT_SLANT_NORMAL,
                      Cairo::FONT_WEIGHT_NORMAL)
  cr.set_font_size(font_size(obj_type) / 1000)
  cr_te = cr.text_extents(text)
  # p "width=#{cr_te.width} x_bearing=#{cr_te.x_bearing} height=#{cr_te.height} y_bearing=#{cr_te.y_bearing}"
  case alignment
  when ALIGN_CENTER # this case is not used & not checked
    # calc text draww postion
    x2 = x - 2
    y2 = y - (cr_te.width + cr_te.x_bearing) / 2
  when ALIGN_RIGHT
    x2 = x - 2
    y2 = y + cr_te.width + cr_te.x_bearing + mm2dot(GAP_PORT)
  when ALIGN_LEFT
    x2 = x - 2
    y2 = y - mm2dot(GAP_PORT)
  end
  @cairo_matrix.set_rotate90(x2, y2) # rotate around (0, 0) then shift (x2, y2)
  cr.matrix = @cairo_matrix
  cr.move_to(0, 0) # this assumes that (0, 0) is left bottom of strings
  cr.show_text(text)
  @cairo_matrix.set_rotate0
  cr.matrix = @cairo_matrix
end

#draw_text_v_cairo_pango(x, y, text, obj_type, alignment) ⇒ Object

—– Cairo Pango version —–#



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# File 'lib/tecscde/view/main_view.rb', line 948

def draw_text_v_cairo_pango(x, y, text, obj_type, alignment)
  cr = @cairo_context_target
  # pfd = Pango::FontDescription.new( "Times" )
  pfd = Pango::FontDescription.new
  pfd.absolute_size = font_size(obj_type)
  # p "font_size=#{font_size( obj_type )}"
  plo = cr.create_pango_layout
  plo.font_description = pfd
  plo.alignment = alignment
  plo.set_text(text)
  rect2 = plo.get_pixel_extents[1]
  # p "descent=#{rect2.descent}, rbearing=#{rect2.rbearing}"

  case alignment
  when ALIGN_CENTER
    # calc text draww postion
    x2 = x - rect2.descent / 2
    y2 = y - rect2.rbearing / 2
  when ALIGN_RIGHT
    x2 = x
    y2 = y + rect2.rbearing + mm2dot(GAP_PORT)
  when ALIGN_LEFT
    x2 = x
    y2 = y - mm2dot(GAP_PORT)
  end

  matrix = Cairo::Matrix.new(0, -1, 1, 0, x2, y2)
  cr.matrix = matrix
  cr.move_to(0, 0) # this assumes that (0, 0) is left bottom of strings
  cr.show_text(text)
  cr.matrix = Cairo::Matrix.new(1, 0, 0, 1, 0, 0)
end

#draw_text_v_gdk(x, y, text, obj_type, alignment) ⇒ Object

—– Gdk Pango version —–#



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# File 'lib/tecscde/view/main_view.rb', line 889

def draw_text_v_gdk(x, y, text, obj_type, alignment)
  pc = @pango_context
  plo = @pango_layout
  pm = @pango_matrix
  pc.matrix = pm
  plo.text = text
  pfd = pc.font_description
  pfd.absolute_size = font_size(obj_type)
  plo.font_description = pfd
  plo.alignment = alignment
  # plo.context_changed
  rect2 = plo.get_pixel_extents[1]

  case alignment
  when ALIGN_CENTER
    # calc text draww postion
    x2 = x - rect2.descent / 2
    y2 = y - rect2.rbearing / 2
  when ALIGN_RIGHT
    x2 = x - rect2.descent
    y2 = y + mm2dot(GAP_PORT)
  when ALIGN_LEFT
    x2 = x - rect2.descent
    y2 = y - rect2.rbearing - mm2dot(GAP_PORT)
  end

  @draw_target.draw_layout(@canvas_gc, x2, y2, plo)
end

#end_edit_name ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 1006

def end_edit_name
  name = @entry.text
  @entry_win.hide
  name
end

#export(fname) ⇒ Object

—— export ——#



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# File 'lib/tecscde/view/main_view.rb', line 1150

def export(fname)
  begin
    if File.exist?(fname)
      File.unlink(fname)
    end
  rescue => evar
    TECSCDE.message_box("fail to remove #{fname}\n#{evar}", :OK)
    return
  end

  scale_val_bak = @scale_val
  @scale_val = 72.0 / TECSCDE::DPI * 100 # PDF surface = 72 DPI,  mm2dot assume 100 DPI by default
  target_bak = @cairo_context_target

  paper = @model.paper.cairo_paper_class
  paper_width = paper.width("pt") - mm2dot(PAPER_MARGIN * 2)
  paper_height = paper.height("pt") - mm2dot(PAPER_MARGIN * 2)
  begin
    surface = Cairo::PDFSurface.new(fname, paper.width("pt"), paper.height("pt"))
    @cairo_context_target = Cairo::Context.new(surface)

    #----- set paper margin -----#
    @cairo_matrix.set_base_shift(mm2dot(PAPER_MARGIN), mm2dot(PAPER_MARGIN))
    @cairo_context_target.matrix = @cairo_matrix

    #----- clip in rectangle frame -----#
    @cairo_context_target.rectangle(0, 0, paper_width, paper_height)
    @cairo_context_target.clip(false) # preserve = false
    @cairo_context_target.save # (* pair *)   # must be saved initially

    #----- draw contents of PDF -----#
    paint_canvas

    #----- draw model name -----#
    draw_text(paper_width, paper_height, @model.file_editing, PAPER_COMMENT, ALIGN_RIGHT, TEXT_HORIZONTAL)

    #----- draw rectangle frame around paper -----#
    @cairo_context_target.rectangle(0, 0, paper_width, paper_height)
    @cairo_context_target.stroke

    #----- complete PDF file -----#
    surface.finish

    #----- reset context -----#
    # cairo_context_target: unnecessary because the context is abandoned after this
    # @cairo_matrix.set_base_shift( 0, 0 )
    # @cairo_context_target.matrix = @cairo_matrix
    # @cairo_context_target.restore   # (* pair *)
  rescue => evar
    TECSCDE.logger.error(evar)
    TECSCDE.message_box("fail to writ to #{fname}\n#{evar}", :OK)
  ensure
    @cairo_context_target = target_bak
    @cairo_matrix.set_base_shift(0, 0)
    @scale_val = scale_val_bak
    surface&.finish
  end

  paint_canvas
end

#font_size(obj_type) ⇒ Object

font_size

obj_type::Integer CELL_NAME, SIGNATURE_NAME, PORT_NAME



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# File 'lib/tecscde/view/main_view.rb', line 1042

def font_size(obj_type)
  case obj_type
  when CELL_NAME
    base_size = 10500
  when CELLTYPE_NAME
    base_size = 10500
  when CELL_NAME_L
    base_size = 16000
  when SIGNATURE_NAME
    base_size = 9000
  when PORT_NAME
    base_size = 9000
  when PAPER_COMMENT
    base_size = 10500
  end
  base_size * @scale_val / 100.0 * DPI / 96.0
end

#get_cell_name_edit_area(cell) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 1012

def get_cell_name_edit_area(cell)
  name = cell.get_name
  obj_type = CELL_NAME
  alignment = ALIGN_CENTER
  direction = TEXT_HORIZONTAL
  wmn, hmn = get_text_extent(name, obj_type, alignment, direction)
  xm, ym, wm, hm = cell.get_geometry
  x = mm2dot(xm + (wm - wmn) / 2)
  y = mm2dot(ym + hm / 2 + 1)
  # y = mm2dot( ym + hm / 2 - hmn )
  w = mm2dot(wmn)
  h = mm2dot(hmn)

  [x, y, w, h]
end

#get_cell_paint_color(cell) ⇒ Object

—– cell paint colors —–#



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# File 'lib/tecscde/view/main_view.rb', line 1119

def get_cell_paint_color(cell)
  if @b_color_by_region
    region = cell.get_region
    color = @@cell_file_to_color[region]
    if color
      return color
    end
    obj = region
  else
    tecsgen_cell = cell.get_tecsgen_cell
    if tecsgen_cell.nil? || cell.editable?
      return @@colors[Color_editable_cell]
    end
    file = tecsgen_cell.get_locale[0]
    color = @@cell_file_to_color[file]
    if color
      return color
    end
    obj = file
  end
  if @@cell_paint_color_index >= @@cell_paint_colors.length
    @@cell_paint_color_index = 0
  end
  col_name = @@cell_paint_colors[@@cell_paint_color_index]
  @@cell_file_to_color[obj] = @@colors[col_name]
  @@cell_paint_color_index += 1
  # p "col_name:#{col_name} index:#{@@cell_paint_color_index}"
  @@colors[col_name]
end

#get_text_extent(text, obj_type, alignment, direction) ⇒ Object

—– draw and utility for text —–#



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# File 'lib/tecscde/view/main_view.rb', line 743

def get_text_extent(text, obj_type, alignment, direction)
  pc = @pango_context
  plo = @pango_layout
  if direction != TEXT_VERTICAL
    pc.matrix = nil
    plo.text = text.to_s
    pfd = pc.font_description
    pfd.absolute_size = font_size(obj_type)
    plo.font_description = pfd
    plo.alignment = alignment
    # plo.context_changed          # ??
    # rect2 = plo.get_pixel_extents[1]
    # return [ dot2mm(rect2.rbearing), dot2mm(rect2.descent) ]
    rect2 = plo.pixel_extents[1]
    [dot2mm(rect2.x + rect2.width), dot2mm(rect2.y + rect2.height)]
  else
    pm = @pango_matrix
    pc.matrix = pm
    plo.text = text.to_s
    pfd = pc.font_description
    pfd.absolute_size = font_size(obj_type)
    plo.font_description = pfd
    plo.alignment = alignment
    # plo.context_changed
    rect2 = plo.get_pixel_extents[1]
    [dot2mm(rect2.descent), dot2mm(rect2.rbearing)]
  end
end

#get_window ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 195

def get_window
  @main_window
end

#mm2dot(mm) ⇒ Object

convert mm to dot



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# File 'lib/tecscde/view/main_view.rb', line 1031

def mm2dot(mm)
  (@scale_val * mm * DPI / 25.4 / 100).to_i
end

#paint_canvas ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 280

def paint_canvas
  clear_canvas_pixmap

  #----- draw cells -----#
  @model.get_cell_list.each do |cell|
    draw_cell(cell)
  end

  #----- draw joins -----#
  # draw linew before draw texts (if other colors are used, it is better to lay texts upper side)
  @model.get_join_list.each do |join|
    draw_join(join)
  end

  refresh_canvas
end

#refresh_canvas ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 297

def refresh_canvas
  @gdk_window.draw_drawable(@canvas_gc, @canvas_pixmap, 0, 0, 0, 0, @canvas_width, @canvas_height)
  draw_highlight_objects(@control.highlighted_objects)
end

#resize_canvas ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 302

def resize_canvas
  @canvas_height = Integer(mm2dot(@model.paper.height))
  @canvas_width  = Integer(mm2dot(@model.paper.width))
  @canvas.set_size_request(@canvas_width, @canvas_height)
  # @scrolled_window.queue_draw
end

#set_cursor(cursor) ⇒ Object 



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# File 'lib/tecscde/view/main_view.rb', line 318

def set_cursor(cursor)
  @canvas.window.cursor = cursor
end

#set_port_color(port, cell) ⇒ Object

set_port_color



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# File 'lib/tecscde/view/main_view.rb', line 491

def set_port_color(port, cell)
  if port.complete?
    if cell.editable?
      color_name = Color_editable
    else
      color_name = Color_uneditable
    end
  else
    if port.is_a?(TECSModel::TmCPort) && !port.optional?
      color_name = Color_incomplete
    else
      color_name = Color_unjoin
    end
  end
  # @canvas_gc.set_foreground @@colors[ color_name ]
  @cairo_context_target.set_source_color(@@colors[color_name])
end