Class: RubyCurses::Listbox
- Includes:
- ListScrollable, ListKeys, ListSelectable
- Defined in:
- lib/rbcurse/rlistbox.rb
Overview
this is the new LISTBOX, based on new scrollable.
Constant Summary
Constants included from Io
Io::ERROR_COLOR_PAIR, Io::FOOTER_COLOR_PAIR, Io::LINEONE, Io::MAIN_WINDOW_COLOR_PAIR
Instance Attribute Summary collapse
-
#current_index ⇒ Object
Returns the value of attribute current_index.
-
#one_key_selection ⇒ Object
will pressing a single key select or not.
-
#toprow ⇒ Object
readonly
dsl_accessor :list # the array of data to be sent by user.
Attributes included from ListSelectable
#column_selection_allowed, #row_selection_allowed
Attributes included from ListScrollable
#find_offset, #find_offset1, #search_found_ix, #show_caret
Attributes inherited from Widget
#col_offset, #cols_panned, #config, #curpos, #ext_col_offset, #ext_row_offset, #form, #id, #parent_component, #row_offset, #rows_panned, #should_create_buffer, #state
Instance Method Summary collapse
-
#ask_search_backward ⇒ Object
gets string to search and calls data models find prev.
- #ask_search_forward ⇒ Object
- #ask_selection_for_char ⇒ Object
-
#cancel_block ⇒ Object
added on 2009-02-19 22:37.
-
#cell_editor(*val) ⇒ Object
getter and setter for cell_editor.
-
#cell_renderer(*val) ⇒ Object
getter and setter for cell_renderer.
- #create_default_cell_editor ⇒ Object
- #create_default_cell_renderer ⇒ Object
- #edit_row_at(arow) ⇒ Object
- #editing_canceled(arow = @current_index) ⇒ Object
- #editing_completed(arow) ⇒ Object
-
#end_block ⇒ Object
sets marker for end of block added on 2009-02-19 22:37.
-
#get_content ⇒ Object
START FOR scrollable ###.
- #get_window ⇒ Object
-
#getvalue ⇒ Object
END FOR scrollable ### override widgets text.
-
#handle_key(ch) ⇒ Object
Listbox.
- #init_vars ⇒ Object
-
#initialize(form, config = {}, &block) ⇒ Listbox
constructor
A new instance of Listbox.
- #install_bindings ⇒ Object
-
#list(alist = nil) ⇒ Object
2010-01-04 15:30 BUFFERED HEIGHT.
- #list_data_changed ⇒ Object
- #list_data_model(ldm = nil) ⇒ Object
- #list_variable(alist = nil) ⇒ Object
-
#mark_block ⇒ Object
end experimental selection of multiple rows via block specify a block start and then a block end usage: bind mark_selection to a key.
-
#OLDfind_next ⇒ Object
table find_next.
-
#OLDfind_prev ⇒ Object
listbox find_prev.
- #on_enter ⇒ Object
- #on_enter_row(arow) ⇒ Object
-
#on_leave_row(arow) ⇒ Object
set original value so we can cancel set row and col, set value and other things, color and bgcolor.
-
#prepare_editor(editor, row) ⇒ Object
private.
- #print_borders ⇒ Object
- #print_title ⇒ Object
-
#repaint ⇒ Object
this method chops the data to length before giving it to the renderer, this can cause problems if the renderer does some processing.
- #row_count ⇒ Object
-
#scrollatrow ⇒ Object
added 2009-01-07 13:05 so new scrollable can use.
- #select_default_values ⇒ Object
-
#selection_mode(*val) ⇒ Object
getter and setter for selection_mode Must be called after creating model, so no duplicate.
-
#set_buffering(params) ⇒ Object
2010-02-18 11:40 TRYING OUT - canceling editing if resized otherwise drawing errors can occur the earlier painted edited comp in yellow keeps showing until a key is pressed.
- #set_form_col(col1 = 0) ⇒ Object
-
#start_block ⇒ Object
sets marker for start of block added on 2009-02-19 22:37.
Methods included from ListKeys
Methods included from ListSelectable
#add_row_selection_interval, #clear_selection, #create_default_list_selection_model, #do_next_selection, #do_prev_selection, #is_row_selected, #list_selection_model, #remove_row_selection_interval, #selected_item, #selected_row, #selected_row_count, #selected_rows, #toggle_row_selection
Methods included from ListScrollable
#OLDscrollable_handle_key, #OLDset_focus_on, #_find_next, #_find_prev, #ask_search, #bounds_check, #find_more, #find_next, #find_prev, #focussed_index, #forward_char, #forward_word, #goto_bottom, #goto_last_position, #goto_top, #install_keys, #next_match, #next_row, #previous_row, #scroll_backward, #scroll_forward, #scroll_left, #scroll_right, #selected_item, #set_focus_on, #set_form_row, #set_selection_for_char, #show_caret_func
Methods inherited from Widget
#OLDbind_key, #buffer_to_screen, #buffer_to_window, #create_buffer, #destroy, #destroy_buffer, #focus, #get_buffer, #get_color, #get_preferred_size, #getvalue_for_paint, #height, #height=, #hide, #is_double_buffered?, #modified?, #move, #on_leave, #override_graphic, #printstring, #process_key, #remove, #repaint_all, #repaint_required, #rowcol, #safe_create_buffer, #set_buffer_modified, #set_form, #set_form_row, #set_modified, #setformrowcol, #setrowcol, #show, #text_variable, #unbind_key, #width, #width=
Methods included from Io
#askchoice, #askyesno, #askyesnocancel, #clear_error, #clear_this, #get_string, #newaskyesno, #old_print_header, #old_print_top_right, #print_action, #print_error, #print_footer_help, #print_header, #print_headers, #print_help, #print_help_page, #print_in_middle, #print_key_labels, #print_key_labels_row, #print_screen_labels, #print_status, #print_this, #print_top_right, #rbgetstr
Methods included from Utils
#_process_key, #bind_key, #clean_string!, #get_color, #keycode_tos, #repeatm, #wrap_text
Methods included from ConfigSetup
#cget, #config_setup, #configure, #variable_set
Methods included from EventHandler
#bind, #fire_handler, #fire_property_change
Methods included from DSL
Constructor Details
#initialize(form, config = {}, &block) ⇒ Listbox
Returns a new instance of Listbox.
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# File 'lib/rbcurse/rlistbox.rb', line 408 def initialize form, config={}, &block @focusable = true @editable = false @row = 0 @col = 0 # data of listbox @list = [] # any special attribs such as status to be printed in col1, or color (selection) @list_attribs = {} super @current_index ||= 0 @row_offset = @col_offset = 1 @content_rows = @list.length @selection_mode ||= 'multiple' @win = @graphic # 2010-01-04 12:36 BUFFERED replace form.window with graphic # moving down to repaint so that scrollpane can set should_buffered # added 2010-02-17 23:05 RFED16 so we don't need a form. @win_left = 0 @win_top = 0 #x safe_create_buffer # 2010-01-04 12:36 BUFFERED moved here 2010-01-05 18:07 #x print_borders unless @win.nil? # in messagebox we don;t have window as yet! # next 2 lines carry a redundancy select_default_values # when the combo box has a certain row in focus, the popup should have the same row in focus install_keys init_vars install_list_keys if !@list.selected_index.nil? set_focus_on @list.selected_index # the new version end end |
Instance Attribute Details
#current_index ⇒ Object
Returns the value of attribute current_index.
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# File 'lib/rbcurse/rlistbox.rb', line 388 def current_index @current_index end |
#one_key_selection ⇒ Object
will pressing a single key select or not
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# File 'lib/rbcurse/rlistbox.rb', line 406 def one_key_selection @one_key_selection end |
#toprow ⇒ Object (readonly)
dsl_accessor :list # the array of data to be sent by user
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# File 'lib/rbcurse/rlistbox.rb', line 381 def toprow @toprow end |
Instance Method Details
#ask_search_backward ⇒ Object
gets string to search and calls data models find prev
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# File 'lib/rbcurse/rlistbox.rb', line 670 def ask_search_backward regex = get_string("Enter regex to search (backward)") @last_regex = regex ix = @list.find_prev regex, @current_index if ix.nil? alert("No matching data for: #{regex}") else set_focus_on(ix) end end |
#ask_search_forward ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 660 def ask_search_forward regex = get_string("Enter regex to search") ix = @list.find_match regex if ix.nil? alert("No matching data for: #{regex}") else set_focus_on(ix) end end |
#ask_selection_for_char ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 653 def ask_selection_for_char ch = @graphic.getch if ch < 0 || ch > 255 return :UNHANDLED end ret = set_selection_for_char ch.chr end |
#cancel_block ⇒ Object
added on 2009-02-19 22:37
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# File 'lib/rbcurse/rlistbox.rb', line 920 def cancel_block @first_index = @last_index = nil @inside_block = false end |
#cell_editor(*val) ⇒ Object
getter and setter for cell_editor
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# File 'lib/rbcurse/rlistbox.rb', line 774 def cell_editor(*val) if val.empty? @cell_editor ||= create_default_cell_editor else @cell_editor = val[0] end end |
#cell_renderer(*val) ⇒ Object
getter and setter for cell_renderer
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# File 'lib/rbcurse/rlistbox.rb', line 786 def cell_renderer(*val) if val.empty? @cell_renderer ||= create_default_cell_renderer else @cell_renderer = val[0] end end |
#create_default_cell_editor ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 781 def create_default_cell_editor return RubyCurses::CellEditor.new RubyCurses::Field.new nil, {"focusable"=>false, "visible"=>false, "display_length"=> @width-2-@left_margin} end |
#create_default_cell_renderer ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 793 def create_default_cell_renderer return RubyCurses::ListCellRenderer.new "", {"color"=>@color, "bgcolor"=>@bgcolor, "parent" => self, "display_length"=> @width-2-@left_margin} end |
#edit_row_at(arow) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 717 def edit_row_at arow if @cell_editing_allowed #$log.debug " cell editor on enter #{arow} val of list[row]: #{@list[arow]}" editor = cell_editor prepare_editor editor, arow end end |
#editing_canceled(arow = @current_index) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 766 def editing_canceled arow=@current_index return unless @cell_editing_allowed prepare_editor @cell_editor, arow @repaint_required = true end |
#editing_completed(arow) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 754 def editing_completed arow if @cell_editing_allowed if !@cell_editor.nil? # $log.debug " cell editor (leave) setting value row: #{arow} val: #{@cell_editor.getvalue}" $log.debug " cell editor #{@cell_editor.component.form.window} (leave) setting value row: #{arow} val: #{@cell_editor.getvalue}" @list[arow] = @cell_editor.getvalue #.dup 2009-01-10 21:42 boolean can't duplicate else $log.debug "CELL EDITOR WAS NIL, #{arow} " end end @repaint_required = true end |
#end_block ⇒ Object
sets marker for end of block added on 2009-02-19 22:37
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# File 'lib/rbcurse/rlistbox.rb', line 932 def end_block #selection @last_index = current_index lower = [@first_index, @last_index].min higher = [@first_index, @last_index].max #lower.upto(higher) do |i| @list.toggle_row_selection i; end add_row_selection_interval(lower, higher) @repaint_required = true end |
#get_content ⇒ Object
START FOR scrollable ###
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# File 'lib/rbcurse/rlistbox.rb', line 537 def get_content #@list 2008-12-01 23:13 @list_variable && @list_variable.value || @list end |
#get_window ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 541 def get_window @graphic # 2010-01-04 12:37 BUFFERED end |
#getvalue ⇒ Object
END FOR scrollable ### override widgets text
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# File 'lib/rbcurse/rlistbox.rb', line 546 def getvalue selected_rows end |
#handle_key(ch) ⇒ Object
Listbox
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# File 'lib/rbcurse/rlistbox.rb', line 550 def handle_key(ch) @current_index ||= 0 @toprow ||= 0 h = scrollatrow() rc = row_count $log.debug " listbxo got ch #{ch}" #$log.debug " when kps #{@KEY_PREV_SELECTION} " case ch when KEY_UP # show previous value previous_row when KEY_DOWN # show previous value next_row when @KEY_ROW_SELECTOR # 32 return if is_popup and @selection_mode == 'single' # not allowing select this way since there will be a difference toggle_row_selection @current_index #, @current_index @repaint_required = true when @KEY_SCROLL_FORWARD # ?\C-n scroll_forward when @KEY_SCROLL_BACKWARD # ?\C-p scroll_backward when @KEY_GOTO_TOP # 48, ?\C-[ # please note that C-[ gives 27, same as esc so will respond after ages goto_top when @KEY_GOTO_BOTTOM # ?\C-] goto_bottom when @KEY_NEXT_SELECTION # ?' $log.debug "insdie next selection" @oldrow = @current_index do_next_selection #if @select_mode == 'multiple' bounds_check when @KEY_PREV_SELECTION # ?" @oldrow = @current_index $log.debug "insdie prev selection" do_prev_selection #if @select_mode == 'multiple' bounds_check when @KEY_CLEAR_SELECTION clear_selection #if @select_mode == 'multiple' @repaint_required = true when 27, ?\C-c.getbyte(0) editing_canceled @current_index if @cell_editing_allowed cancel_block # block $multiplier = 0 when @KEY_ASK_FIND_FORWARD # ask_search_forward when @KEY_ASK_FIND_BACKWARD # ask_search_backward when @KEY_FIND_NEXT # find_next when @KEY_FIND_PREV # find_prev when @KEY_ASK_FIND ask_search when @KEY_FIND_MORE find_more when @KEY_BLOCK_SELECTOR mark_block #selection #when ?\C-u.getbyte(0) # multiplier. Series is 4 16 64 # TESTING @multiplier = (@multiplier == 0 ? 4 : @multiplier *= 4) # return 0 when ?\C-c.getbyte(0) @multiplier = 0 return 0 else # this has to be fixed, if compo does not handle key it has to continue into next part FIXME ret = :UNHANDLED # changed on 2009-01-27 13:14 not going into unhandled, tab not released if @cell_editing_allowed @repaint_required = true # hack - on_enter_row should fire when this widget gets focus. first row that is DONE begin ret = @cell_editor.component.handle_key(ch) rescue on_enter_row @current_index ret = @cell_editor.component.handle_key(ch) end end if ret == :UNHANDLED if @one_key_selection case ch when ?A.getbyte(0)..?Z.getbyte(0), ?a.getbyte(0)..?z.getbyte(0), ?0.getbyte(0)..?9.getbyte(0) # simple motion, key press defines motion ret = set_selection_for_char ch.chr else ret = process_key ch, self @multiplier = 0 return :UNHANDLED if ret == :UNHANDLED end else # no motion on single key, we can freak out like in vim, pref f <char> for set_selection case ch when ?0.getbyte(0)..?9.getbyte(0) $multiplier *= 10 ; $multiplier += (ch-48) #$log.debug " setting mult to #{$multiplier} in list " return 0 end ret = process_key ch, self $multiplier = 0 return :UNHANDLED if ret == :UNHANDLED end end end $multiplier = 0 end |
#init_vars ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 442 def init_vars @to_print_borders ||= 1 @repaint_required = true @toprow = @pcol = 0 if @show_selector @row_selected_symbol ||= '>' @row_unselected_symbol ||= ' ' @left_margin ||= @row_selected_symbol.length end @left_margin ||= 0 @one_key_selection ||= true bind_key(?f){ ask_selection_for_char() } bind_key(?\M-v){ @one_key_selection = false } bind_key(?j){ next_row() } bind_key(?k){ previous_row() } bind_key(?G){ goto_bottom() } bind_key([?g,?g]){ goto_top() } bind_key(?/){ ask_search() } bind_key(?n){ find_more() } end |
#install_bindings ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 463 def install_bindings end |
#list(alist = nil) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 486 def list alist=nil return @list if alist.nil? @list = RubyCurses::ListDataModel.new(alist) # added on 2009-01-13 23:19 since updates are not automatic now @list.bind(:LIST_DATA_EVENT) { |e| list_data_changed() } create_default_list_selection_model end |
#list_data_changed ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 876 def list_data_changed if row_count == 0 # added on 2009-02-02 17:13 so cursor not hanging on last row which could be empty init_vars @current_index = 0 set_form_row end @repaint_required = true end |
#list_data_model(ldm = nil) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 500 def list_data_model ldm=nil return @list if ldm.nil? raise "Expecting list_data_model" unless ldm.is_a? RubyCurses::ListDataModel @list = ldm # added on 2009-01-13 23:19 since updates are not automatic now @list.bind(:LIST_DATA_EVENT) { |e| list_data_changed() } create_default_list_selection_model end |
#list_variable(alist = nil) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 493 def list_variable alist=nil return @list if alist.nil? @list = RubyCurses::ListDataModel.new(alist.value) # added on 2009-01-13 23:19 since updates are not automatic now @list.bind(:LIST_DATA_EVENT) { |e| list_data_changed() } create_default_list_selection_model end |
#mark_block ⇒ Object
end experimental selection of multiple rows via block specify a block start and then a block end usage: bind mark_selection to a key. It works as a toggle. C-c will cancel any selection that has begun. added on 2009-02-19 22:37
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# File 'lib/rbcurse/rlistbox.rb', line 910 def mark_block #selection if @inside_block @inside_block = false end_block #selection else @inside_block = true start_block #selection end end |
#OLDfind_next ⇒ Object
table find_next
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# File 'lib/rbcurse/rlistbox.rb', line 693 def OLDfind_next ix = @list.find_next regex = @last_regex if ix.nil? alert("No more matching data for: #{regex}") else set_focus_on(ix) unless ix.nil? end end |
#OLDfind_prev ⇒ Object
listbox find_prev
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# File 'lib/rbcurse/rlistbox.rb', line 681 def OLDfind_prev ix = @list.find_prev regex = @last_regex if ix.nil? alert("No previous matching data for: #{regex}") else @oldrow = @current_index @current_index = ix bounds_check end end |
#on_enter ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 702 def on_enter on_enter_row @current_index set_form_row # added 2009-01-11 23:41 #$log.debug " ONE ENTER LIST #{@current_index}, #{@form.row}" @repaint_required = true fire_handler :ENTER, self end |
#on_enter_row(arow) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 709 def on_enter_row arow #$log.debug " Listbox #{self} ENTER_ROW with curr #{@current_index}. row: #{arow} H: #{@handler.keys}" #fire_handler :ENTER_ROW, arow fire_handler :ENTER_ROW, self @list.on_enter_row self edit_row_at arow @repaint_required = true end |
#on_leave_row(arow) ⇒ Object
set original value so we can cancel set row and col, set value and other things, color and bgcolor
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# File 'lib/rbcurse/rlistbox.rb', line 747 def on_leave_row arow #$log.debug " Listbox #{self} leave with (cr: #{@current_index}) #{arow}: list[row]:#{@list[arow]}" #$log.debug " Listbox #{self} leave with (cr: #{@current_index}) #{arow}: " #fire_handler :LEAVE_ROW, arow fire_handler :LEAVE_ROW, self editing_completed arow end |
#prepare_editor(editor, row) ⇒ Object
private
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# File 'lib/rbcurse/rlistbox.rb', line 726 def prepare_editor editor, row r,c = rowcol value = @list[row] # .chomp value = value.dup rescue value # so we can cancel row = r + (row - @toprow) # @form.row col = c+@left_margin # @form.col # unfortunately 2009-01-11 19:47 combo boxes editable allows changing value editor.prepare_editor self, row, col, value editor.component.curpos = 0 # reset it after search, if user scrols down #editor.component.graphic = @graphic # 2010-01-05 00:36 TRYING OUT BUFFERED ## override is required if the listbox uses a buffer if @should_create_buffer $log.debug " overriding editors comp with GRAPHIC #{@graphic} " editor.component.override_graphic(@graphic) # 2010-01-05 00:36 TRYING OUT BUFFERED end set_form_col 0 #@left_margin # set original value so we can cancel # set row and col, # set value and other things, color and bgcolor end |
#print_borders ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 517 def print_borders width = @width height = @height-1 # 2010-01-04 15:30 BUFFERED HEIGHT window = @graphic # 2010-01-04 12:37 BUFFERED startcol = @col startrow = @row @color_pair = get_color($datacolor) #$log.debug "rlistb: window.print_border #{startrow}, #{startcol} , #{height} , #{width} , @color_pair, @attr " window.print_border startrow, startcol, height, width, @color_pair, @attr print_title end |
#print_title ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 528 def print_title #printstring(@graphic, @row, @col+(@[email protected])/2, @title, @color_pair, @title_attrib) unless @title.nil? # 2010-01-04 15:53 BUFFERED # I notice that the old version would print a title that was longer than width, #+ but the new version won't print anything if it exceeds width. # TODO check title.length and truncate if exceeds width @graphic.printstring( @row, @col+(@width-@title.length)/2, @title, @color_pair, @title_attrib) unless @title.nil? end |
#repaint ⇒ Object
this method chops the data to length before giving it to the renderer, this can cause problems if the renderer does some processing. also, it pans the data horizontally giving the renderer a section of it.
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# File 'lib/rbcurse/rlistbox.rb', line 801 def repaint safe_create_buffer # 2010-01-04 12:36 BUFFERED moved here 2010-01-05 18:07 return unless @repaint_required # not sure where to put this, once for all or repeat 2010-02-17 23:07 RFED16 my_win = @form ? @form.window : @target_window @graphic = my_win unless @graphic #$log.warn "neither form not target window given!!! TV paint 368" unless my_win raise " #{@name} neither form, nor target window given TV paint " unless my_win raise " #{@name} NO GRAPHIC set as yet TV paint " unless @graphic @win_left = my_win.left @win_top = my_win.top $log.debug " rlistbox repaint graphic #{@graphic} " print_borders if @to_print_borders == 1 # do this once only, unless everything changes rc = row_count maxlen = @maxlen ||= @width-2 tm = list() tr = @toprow acolor = get_color $datacolor h = scrollatrow() r,c = rowcol 0.upto(h) do |hh| crow = tr+hh if crow < rc focussed = @current_index == crow ? true : false selected = is_row_selected crow content = tm[crow] # 2009-01-17 18:37 chomp giving error in some cases says frozen if content.is_a? String content = content.dup content.chomp! content.gsub!(/\t/, ' ') # don't display tab content.gsub!(/[^[:print:]]/, '') # don't display non print characters if !content.nil? if content.length > maxlen # only show maxlen content = content[@pcol..@pcol+maxlen-1] else content = content[@pcol..-1] end end elsif content.is_a? TrueClass or content.is_a? FalseClass else content = content.to_s end ## set the selector symbol if requested selection_symbol = '' if @show_selector if selected selection_symbol = @row_selected_symbol else selection_symbol = @row_unselected_symbol end @graphic.printstring r+hh, c, selection_symbol, acolor,@attr end #renderer = get_default_cell_renderer_for_class content.class.to_s renderer = cell_renderer() #renderer.show_selector @show_selector #renderer.row_selected_symbol @row_selected_symbol #renderer.left_margin @left_margin #renderer.repaint @graphic, r+hh, c+(colix*11), content, focussed, selected ## added crow on 2009-02-06 23:03 # since data is being truncated and renderer may need index renderer.repaint @graphic, r+hh, c+@left_margin, crow, content, focussed, selected else # clear rows @graphic.printstring r+hh, c, " " * (@width-2), acolor,@attr end end if @cell_editing_allowed @cell_editor.component.repaint unless @cell_editor.nil? or @cell_editor.component.form.nil? end @table_changed = false @repaint_required = false @buffer_modified = true # required by form to call buffer_to_screen BUFFERED buffer_to_window # RFED16 2010-02-17 23:16 end |
#row_count ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 478 def row_count @list.length end |
#scrollatrow ⇒ Object
added 2009-01-07 13:05 so new scrollable can use
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# File 'lib/rbcurse/rlistbox.rb', line 482 def scrollatrow #@height - 2 @height - 3 # 2010-01-04 15:30 BUFFERED HEIGHT end |
#select_default_values ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 509 def select_default_values return if @default_values.nil? @default_values.each do |val| row = @list.index val #do_select(row) unless row.nil? add_row_selection_interval row, row unless row.nil? end end |
#selection_mode(*val) ⇒ Object
getter and setter for selection_mode Must be called after creating model, so no duplicate. Since one may set in model directly.
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# File 'lib/rbcurse/rlistbox.rb', line 470 def selection_mode(*val) raise "ListSelectionModel not yet created!" if @list_selection_model.nil? if val.empty? @list_selection_model.selection_mode else @list_selection_model.selection_mode = val[0] end end |
#set_buffering(params) ⇒ Object
2010-02-18 11:40 TRYING OUT - canceling editing if resized otherwise drawing errors can occur the earlier painted edited comp in yellow keeps showing until a key is pressed
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# File 'lib/rbcurse/rlistbox.rb', line 944 def set_buffering params super ## Ensuring that changes to top get reflect in editing comp #+ otherwise it raises an exception. Still the earlier cell_edit is being #+ printed where it was , until a key is moved # FIXME - do same for col if @cell_editor r,c = rowcol if @cell_editor.component.row < @row_offset + @buffer_params[:screen_top] @cell_editor.component.row = @row_offset + @buffer_params[:screen_top] end # TODO next block to be tested by placing a listbox in right split of vertical if @cell_editor.component.col < @col_offset + @buffer_params[:screen_left] @cell_editor.component.col = @col_offset + @buffer_params[:screen_left] end #editing_canceled @current_index if @cell_editing_allowed and @cell_editor end #set_form_row @repaint_required = true end |
#set_form_col(col1 = 0) ⇒ Object
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# File 'lib/rbcurse/rlistbox.rb', line 884 def set_form_col col1=0 # TODO BUFFERED use setrowcol @form.row, col # TODO BUFFERED use cols_panned @cols_panned ||= 0 # RFED16 2010-02-17 23:40 # editable listboxes will involve changing cursor and the form issue ## added win_col on 2010-01-04 23:28 for embedded forms BUFFERED TRYING OUT #[email protected] win_col = 0 # 2010-02-17 23:19 RFED16 #col = win_col + @orig_col + @col_offset + @curpos + @form.cols_panned col2 = win_col + @col + @col_offset + col1 + @cols_panned + @left_margin $log.debug " set_form_col in rlistbox #{@col}+ left_margin #{@left_margin} ( #{col2} ) " #super col+@left_margin #@form.setrowcol @form.row, col2 # added 2009-12-29 18:50 BUFFERED setrowcol nil, col2 # 2010-02-17 23:19 RFED16 end |
#start_block ⇒ Object
sets marker for start of block added on 2009-02-19 22:37
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# File 'lib/rbcurse/rlistbox.rb', line 926 def start_block #selection @first_index = @current_index @last_index = nil end |