class Rabbit::InfoWindow
Public Class Methods
new(canvas)
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# File lib/rabbit/info-window.rb, line 36 def initialize(canvas) @canvas = canvas @window = nil @timer_id = nil @note_area = nil init_hook_handler init_key_handler init_button_handler init_scroll_handler end
Public Instance Methods
hide()
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# File lib/rabbit/info-window.rb, line 55 def hide return unless showing? detach_menu(@window) detach_key(@window) each do |canvas| canvas.detach end @window.signal_handler_disconnect(@window_destroy_id) @window.destroy @window = @window_destroy_id = nil @canvas_widgets = @grid = nil GLib::Source.remove(@timer_id) if @timer_id @timer_id = nil @previous_canvas = @current_canvas = @next_canvas = nil end
index_mode_off()
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# File lib/rabbit/info-window.rb, line 91 def index_mode_off return unless showing? toggle_index_mode end
index_mode_on()
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# File lib/rabbit/info-window.rb, line 86 def index_mode_on return unless showing? toggle_index_mode end
moved()
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# File lib/rabbit/info-window.rb, line 75 def moved return unless showing? update end
parsed()
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# File lib/rabbit/info-window.rb, line 80 def parsed return unless showing? update_source update end
show(width=nil, height=nil)
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# File lib/rabbit/info-window.rb, line 47 def show(width=nil, height=nil) init_gui(width, height) @window.show_all update_source toggle_index_mode if @canvas.index_mode? adjust_slide end
showing?()
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# File lib/rabbit/info-window.rb, line 71 def showing? !@window.nil? end
Private Instance Methods
adjust_slide()
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# File lib/rabbit/info-window.rb, line 346 def adjust_slide base_index = @canvas.current_index @previous_canvas.move_to_if_can([base_index - 1, 0].max) @current_canvas.move_to_if_can(base_index) @current_canvas.current_slide.drawing_index = @canvas.current_slide.drawing_index @next_canvas.move_to_if_can([base_index + 1, @canvas.slide_size - 1].min) end
draw_text_as_large_as_possible(area, context, markupped_text, options={})
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# File lib/rabbit/info-window.rb, line 262 def draw_text_as_large_as_possible(area, context, markupped_text, options={}) return if markupped_text.nil? area_width = area.window.width area_height = area.window.height layout = context.create_pango_layout layout.context.resolution = @canvas.font_resolution attributes, text = Pango.parse_markup(markupped_text) layout.text = text layout.attributes = attributes layout.width = area_width * Pango::SCALE layout.wrap = :word_char layout.alignment = options[:alignment] if options.key?(:alignment) layout.justify = options[:justify] if options.key?(:justify) set_as_large_as_font_description(layout, area_height) context.update_pango_layout(layout) context.show_pango_layout(layout) end
each(&block)
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# File lib/rabbit/info-window.rb, line 361 def each(&block) [@previous_canvas, @current_canvas, @next_canvas].each(&block) end
init_canvas()
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# File lib/rabbit/info-window.rb, line 102 def init_canvas @current_canvas = make_canvas @previous_canvas = make_canvas @next_canvas = make_canvas end
init_canvas_widgets()
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# File lib/rabbit/info-window.rb, line 224 def init_canvas_widgets @canvas_widgets = Gtk::Box.new(:horizontal) @current_canvas.attach_to(nil, @window, @canvas_widgets) @next_canvas.attach_to(nil, @window, @canvas_widgets) end
init_gui(width, height)
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# File lib/rabbit/info-window.rb, line 97 def init_gui(width, height) init_canvas init_window(width, height) end
init_note_area()
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# File lib/rabbit/info-window.rb, line 242 def init_note_area @note_area = Gtk::DrawingArea.new @note_area.signal_connect("draw") do |area, context| draw_text_as_large_as_possible(area, context, note_text) Gdk::Event::PROPAGATE end end
init_timer_area()
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# File lib/rabbit/info-window.rb, line 230 def init_timer_area @timer_area = Gtk::DrawingArea.new @timer_area.signal_connect("draw") do |area, context| context.set_source_rgb(1, 0, 0) if rest_time and rest_time < 0 draw_text_as_large_as_possible(area, context, timer_text, alignment: :center) Gdk::Event::PROPAGATE end end
init_widgets()
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# File lib/rabbit/info-window.rb, line 140 def init_widgets init_timer_area @grid = Gtk::Grid.new @grid.column_homogeneous = true @grid.row_homogeneous = true base_width = 1 base_height = 1 @current_canvas.attach_to(nil, @window, @grid) do |container, widget| container.attach(widget, base_width, 0, base_width * 2, base_height * 2) end @previous_canvas.attach_to(nil, @window, @grid) do |container, widget| container.attach(widget, 0, base_height * 2, base_width, base_height) end @next_canvas.attach_to(nil, @window, @grid) do |container, widget| container.attach(widget, base_width * 3, base_height * 2, base_width, base_height) end @grid.attach(@timer_area, base_width, base_height * 2, base_width * 2, base_height) @grid.show end
init_widgets_on_note_mode()
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# File lib/rabbit/info-window.rb, line 180 def init_widgets_on_note_mode init_timer_area init_note_area @grid = Gtk::Grid.new @grid.column_homogeneous = true @grid.row_homogeneous = true base_width = 1 base_height = 4 @previous_canvas.attach_to(nil, @window, @grid) do |container, widget| container.attach(widget, 0, 0, base_width, base_height) end @current_canvas.attach_to(nil, @window, @grid) do |container, widget| container.attach(widget, base_width, 0, base_width * 2, base_height) end @next_canvas.attach_to(nil, @window, @grid) do |container, widget| container.attach(widget, base_width * 3, 0, base_width, base_height) end @grid.attach(@note_area, 0, base_height, base_width * 4, base_height) @grid.attach(@timer_area, 0, base_height * 2, base_width * 4, 1) @grid.show end
init_window(width, height)
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# File lib/rabbit/info-window.rb, line 113 def init_window(width, height) @window = Gtk::Window.new @window_destroy_id = @window.signal_connect("destroy") do @canvas.activate("ToggleInfoWindow") Gdk::Event::PROPAGATE end @window.title = _("%s: Information window") % @canvas.title @window.set_default_size(width, height) if width and height if on_note_mode? init_widgets_on_note_mode else init_widgets end init_menu attach_key(@window) attach_menu(@window) event_mask = Gdk::EventMask::BUTTON_PRESS_MASK event_mask |= Gdk::EventMask::BUTTON_RELEASE_MASK event_mask |= Gdk::EventMask::BUTTON1_MOTION_MASK event_mask |= Gdk::EventMask::BUTTON2_MOTION_MASK event_mask |= Gdk::EventMask::BUTTON3_MOTION_MASK @window.add_events(event_mask) set_button_event(@window) set_scroll_event(@window) @window.add(@grid) end
make_canvas()
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# File lib/rabbit/info-window.rb, line 108 def make_canvas DependencyCanvas.new(@canvas, @canvas.logger, Renderer::Display::DrawingAreaViewOnly) end
note_text()
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# File lib/rabbit/info-window.rb, line 256 def note_text note = @canvas.current_slide["note"] return note if note.nil? note.gsub(/\\n/, "\n") end
on_note_mode?()
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# File lib/rabbit/info-window.rb, line 365 def on_note_mode? @canvas.slides.any? {|slide| slide["note"]} end
reload_theme()
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# File lib/rabbit/info-window.rb, line 339 def reload_theme @canvas.reload_theme each do |canvas| canvas.reload_theme end end
rest_time()
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# File lib/rabbit/info-window.rb, line 315 def rest_time @canvas.rest_time || @canvas.allotted_time end
set_as_large_as_font_description(layout, max_height)
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# File lib/rabbit/info-window.rb, line 287 def set_as_large_as_font_description(layout, max_height) family = "Sans" size = 14 last_font_description = nil loop do font_description = Pango::FontDescription.new("#{family} #{size}") layout.font_description = font_description layout_height = layout.pixel_size[1] break if layout_height > max_height last_font_description = font_description size = [size * 1.2, size + 5].min end last_font_description ||= Pango::FontDescription.new("#{family} #{size}") layout.font_description = last_font_description end
start_timer()
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# File lib/rabbit/info-window.rb, line 303 def start_timer @timer_id = GLib::Timeout.add(1000) do if showing? and @canvas.rest_time @timer_area.queue_draw GLib::Source::CONTINUE else @timer_id = nil GLib::Source::REMOVE end end end
timer_text()
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# File lib/rabbit/info-window.rb, line 319 def timer_text if rest_time "%s%02d:%02d" % Utils.split_number_to_minute_and_second(rest_time) else _("unlimited") end end
toggle_index_mode()
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# File lib/rabbit/info-window.rb, line 355 def toggle_index_mode each do |canvas| canvas.toggle_index_mode end end
update()
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# File lib/rabbit/info-window.rb, line 250 def update start_timer if @timer_id.nil? @note_area.queue_draw if @note_area adjust_slide end
update_source()
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# File lib/rabbit/info-window.rb, line 327 def update_source each do |canvas| source = Source::Memory.new("UTF-8", @canvas.logger) @canvas.source_force_modified(true) do |original_source| source.source = original_source.read source.base = original_source.base source.extension = original_source.extension end canvas.parse(source) end end