Class: RubyCurses::CommandWindow
- Includes:
- Utils
- Defined in:
- lib/rbcurse/core/util/rcommandwindow.rb
Defined Under Namespace
Classes: ListObject
Instance Attribute Summary collapse
-
#config ⇒ Object
readonly
Returns the value of attribute config.
-
#layout ⇒ Object
readonly
Returns the value of attribute layout.
-
#window ⇒ Object
readonly
required for keyboard or printing.
Instance Method Summary collapse
- #cget(param) ⇒ Object
-
#clear ⇒ Object
clears the window, leaving the title line as is, from row 1 onwards.
-
#configure(*val, &block) ⇒ Object
might as well add more keys for paging.
- #destroy ⇒ Object
-
#display_interactive(text, config = {}) {|@to| ... } ⇒ Object
lower line of border will get erased currently since we are writing to last line FIXME.
-
#display_menu(list, options = {}) ⇒ Object
Displays list in a window at bottom of screen, if large then 2 or 3 columns.
-
#handle_keys ⇒ Object
todo handle mappings, so user can map keys TODO.
-
#initialize(form = nil, aconfig = {}, &block) ⇒ CommandWindow
constructor
A new instance of CommandWindow.
-
#press(ch) ⇒ Object
handles a key, commandline.
-
#refresh ⇒ Object
refresh whatevers painted onto the window.
- #set_layout(height = 0, width = 0, top = 0, left = 0) ⇒ Object
-
#stopping? ⇒ Boolean
message box.
-
#title(t = nil) ⇒ Object
modify the window title, or get it if no params passed.
-
#udisplay_list(text, config = {}) {|@to| ... } ⇒ Object
non interactive list display - EACH CALL IS CREATING A LIST OBJECT.
Methods included from Utils
#OLDdefine_key, #_process_key, #bind_key, #bind_keys, #clean_string!, #define_key, #define_prefix_command, #display_app_help, #get_attrib, #get_color, #keycode_tos, #last_line, #one_line_window, #parse_formatted_text, #print_key_bindings, #repeatm, #run_command, #shell_out, #shell_output, #suspend, #view, #wrap_text
Constructor Details
#initialize(form = nil, aconfig = {}, &block) ⇒ CommandWindow
Returns a new instance of CommandWindow.
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 28 def initialize form=nil, aconfig={}, &block @config = aconfig @config.each_pair { |k,v| instance_variable_set("@#{k}",v) } instance_eval &block if block_given? if @layout.nil? set_layout(1,80, -1, 0) end @height = @layout[:height] @width = @layout[:width] @window = VER::Window.new(@layout) @start = 0 # row for display of text with paging @list = [] require 'forwardable' require 'rbcurse/core/util/bottomline' @bottomline = Bottomline.new @window, 0 @bottomline.name = "rcommandwindow's bl" extend Forwardable def_delegators :@bottomline, :ask, :say, :agree, :choose #, :display_text_interactive if @box == :border @window.box 0,0 elsif @box @window.attron(Ncurses.COLOR_PAIR($normalcolor) | Ncurses::A_REVERSE) @window.mvhline 0,0,1,@width @window.printstring 0,0,@title, $normalcolor #, 'normal' if @title @window.attroff(Ncurses.COLOR_PAIR($normalcolor) | Ncurses::A_REVERSE) else #@window.printstring 0,0,@title, $normalcolor, 'reverse' if @title title @title end @window.wrefresh @panel = @window.panel Ncurses::Panel.update_panels @window.wrefresh @row_offset = 0 if @box @row_offset = 1 end end |
Instance Attribute Details
#config ⇒ Object (readonly)
Returns the value of attribute config.
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 23 def config @config end |
#layout ⇒ Object (readonly)
Returns the value of attribute layout.
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 24 def layout @layout end |
#window ⇒ Object (readonly)
required for keyboard or printing
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 25 def window @window end |
Instance Method Details
#cget(param) ⇒ Object
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 140 def cget param @config[param] end |
#clear ⇒ Object
clears the window, leaving the title line as is, from row 1 onwards
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 266 def clear @window.wmove 1,1 @window.wclrtobot @window.box 0,0 if @box == :border # lower line of border will get erased currently since we are writing to # last line FIXME end |
#configure(*val, &block) ⇒ Object
might as well add more keys for paging.
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 130 def configure(*val , &block) case val.size when 1 return @config[val[0]] when 2 @config[val[0]] = val[1] instance_variable_set("@#{val[0]}", val[1]) end instance_eval &block if block_given? end |
#destroy ⇒ Object
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 153 def destroy $log.debug "DESTROY : rcommandwindow" if @window begin panel = @window.panel Ncurses::Panel.del_panel(panel.pointer) if panel @window.delwin rescue => exc end end end |
#display_interactive(text, config = {}) {|@to| ... } ⇒ Object
lower line of border will get erased currently since we are writing to last line FIXME
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 273 def display_interactive text, config={} if @to @to.content text else config[:box] = @box @to = ListObject.new self, text, config end yield @to if block_given? @to.display_interactive # this returns the item selected @to # this will return the ListObject to the user with list and current_index end |
#display_menu(list, options = {}) ⇒ Object
Displays list in a window at bottom of screen, if large then 2 or 3 columns. indexing - can be letter or number. Anything else will be ignored, however
it will result in first letter being highlighted in indexcolor
indexcolor - color of mnemonic, default green
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 171 def list, ={} indexing = [:indexing] indexcolor = [:indexcolor] || get_color($normalcolor, :yellow, :black) indexatt = Ncurses::A_BOLD # # the index to start from (used when scrolling a long menu such as file list) startindex = [:startindex] || 0 max_cols = 3 # maximum no of columns, we will reduce based on data size l_succ = "`" act_height = @height if @box act_height = @height - 2 end lh = list.size if lh < act_height $log.debug "DDD inside one window" if $log.debug? list.each_with_index { |e, i| text = e case e when Array text = e.first + " ..." end if indexing == :number mnem = i+1 text = "%d. %s" % [i+1, text] elsif indexing == :letter mnem = l_succ.succ! text = "%s. %s" % [mnem, text] end @window.printstring i+@row_offset, 1, text, $normalcolor if indexing window.mvchgat(y=i+@row_offset, x=1, max=1, indexatt, indexcolor, nil) end } else $log.debug "DDD inside two window" if $log.debug? row = 0 h = act_height cols = (lh*1.0 / h).ceil cols = max_cols if cols > max_cols # sometimes elements are large like directory paths, so check size datasize = list.first.length if datasize > @width/3 # keep safety margin since checking only first row cols = 1 elsif datasize > @width/2 cols = [2,cols].min end adv = (@width/cols).to_i colct = 0 col = 1 $log.debug "DDDcols #{cols}, adv #{adv} size: #{lh} h: #{act_height} w #{@width} " if $log.debug? list.each_with_index { |e, i| text = e # signify that there's a deeper level case e when Array text = e.first + "..." end if indexing == :number mnem = i+1 text = "%d. %s" % [mnem, text] elsif indexing == :letter mnem = l_succ.succ! text = "%s. %s" % [mnem, text] end # print only within range and window height if i >= startindex && row < @window.actual_height $log.debug "XXX: MENU #{i} > #{startindex} row #{row} col #{col} " @window.printstring row+@row_offset, col, text, $normalcolor if indexing @window.mvchgat(y=row+@row_offset, x=col, max=1, indexatt, indexcolor, nil) end colct += 1 if colct == cols col = 1 row += 1 colct = 0 else col += adv end end # startindex } end Ncurses::Panel.update_panels(); Ncurses.doupdate(); @window.wrefresh end |
#handle_keys ⇒ Object
todo handle mappings, so user can map keys TODO
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 78 def handle_keys begin while((ch = @window.getchar()) != 999 ) case ch when -1 next else press ch break if @stop yield ch if block_given? end end ensure destroy end return #@selected_index end |
#press(ch) ⇒ Object
handles a key, commandline
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 96 def press ch ch = ch.getbyte(0) if ch.class==String ## 1.9 $log.debug " XXX press #{ch} " if $log.debug? case ch when -1 return when KEY_F1, 27, ?\C-q.getbyte(0) @stop = true return when KEY_ENTER, 10, 13 #$log.debug "popup ENTER : #{@selected_index} " #$log.debug "popup ENTER : #{field.name}" if !field.nil? @stop = true return when ?\C-d.getbyte(0) @start += @height-1 bounds_check when KEY_UP @start -= 1 @start = 0 if @start < 0 when KEY_DOWN @start += 1 bounds_check when ?\C-b.getbyte(0) @start -= @height-1 @start = 0 if @start < 0 when 0 @start = 0 end Ncurses::Panel.update_panels(); Ncurses.doupdate(); @window.wrefresh end |
#refresh ⇒ Object
refresh whatevers painted onto the window
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 260 def refresh Ncurses::Panel.update_panels(); Ncurses.doupdate(); @window.wrefresh end |
#set_layout(height = 0, width = 0, top = 0, left = 0) ⇒ Object
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 144 def set_layout(height=0, width=0, top=0, left=0) # negative means top should be n rows from last line. -1 is last line if top < 0 top = Ncurses.LINES-top end @layout = { :height => height, :width => width, :top => top, :left => left } @height = height @width = width end |
#stopping? ⇒ Boolean
message box
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 74 def stopping? @stop end |
#title(t = nil) ⇒ Object
modify the window title, or get it if no params passed.
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 67 def title t=nil return @title unless t @title = t @window.printstring 0,0,@title, $normalcolor, 'reverse' if @title end |
#udisplay_list(text, config = {}) {|@to| ... } ⇒ Object
non interactive list display - EACH CALL IS CREATING A LIST OBJECT
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# File 'lib/rbcurse/core/util/rcommandwindow.rb', line 285 def udisplay_list text, config={} if @to @to.content text else config[:box] = @box @to = ListObject.new self, text, config end #@to ||= ListObject.new self, text, config yield @to if block_given? @to.display_content @to end |