classes in separate files

[perso/Immae/Projets/Ruby/Monitor.git] / windows.rb

diff --git a/windows.rb b/windows.rb
new file mode 100644 (file)
index 0000000..5b23579
--- /dev/null
+++ b/windows.rb
@@ -0,0 +1,205 @@
+class List_Win
+  def initialize(inifile)
+    @params = inifile
+    @win = Ncurses::WINDOW.new(0, Ncurses.COLS()/4, 0, 0)
+    @win.border(*([0]*8))
+    @win.keypad(true)
+    @win.timeout(1000)
+    @win.refresh()
+    @entry = 0
+  end
+
+  def getch()
+    @win.getch()
+  end
+  def clear()
+    @win.clear()
+  end
+  def resize(x,y)
+    @win.resize(x,y)
+  end
+  def move(x,y)
+    @win.move(x,y)
+  end
+  def refresh()
+    @win.refresh()
+  end
+
+  def print_list(entry=nil)
+    if(not entry.nil?)
+      @entry = entry
+    end
+    i = 0
+    @params.each_section do |section|
+      if(@entry == i)
+        @win.attron(Ncurses::A_REVERSE)
+      end
+      @win.move(i+1,1)
+      print_line(@win,@params[section]['Name'])
+      if(@entry == i)
+        @win.attroff(Ncurses::A_REVERSE)
+      end
+      i = i+1
+    end
+    @win.border(*([0]*8))
+    @win.move(0,3)
+    @win.addstr("Menu")
+    @win.refresh()
+  end
+end
+
+class Buff_Win
+  def initialize(winsize,winpos,params)
+    @params = params
+    @win = Ncurses::WINDOW.new(0, winsize, 0, winpos)
+    @panel = Ncurses::Panel::PANEL.new(@win)
+    if(@params['Type'] == 'oneshot')
+      @buffer = Buffer.new(0)
+    else
+      @buffer = Buffer.new(@params['Buffer'].to_i)
+    end
+    @proc = nil
+    @curr_offset = 0
+    @hscroll = 0
+    update_date()
+
+    spawn_proc()
+    print_buffer()
+  end
+
+  def move_resize(winsize,winpos)
+    newwin = Ncurses::WINDOW.new(0, winsize, 0, winpos)
+    Ncurses::Panel.replace_panel(@panel, newwin)
+    Ncurses.delwin(@win)
+    @win = newwin
+    print_buffer()
+  end
+  def update_date()
+    @last_update = Time.now
+    @date = @last_update.strftime("%F %R:%S")
+  end
+
+  def win_border()
+    @win.border(*([0]*8))
+    win_header()
+  end
+  def win_header()
+    @win.move(0,3)
+    @win.addnstr(@params['Name'],@win.getmaxx-@date.length-10)
+    @win.move(0,@win.getmaxx-@date.length-2)
+    @win.addstr(@date)
+  end
+  def refresh()
+    @win.refresh()
+  end
+  def clear()
+    @win.clear()
+  end
+
+  def show_win()
+    Ncurses::Panel.top_panel(@panel)
+    Ncurses::Panel.update_panels
+  end
+
+  def hscroll(scroll=0)
+    @hscroll += scroll
+    if(@hscroll < 0)
+      @hscroll = 0
+    end
+    if(@hscroll > @buffer.maxlen()-@win.getmaxx+3)
+      @hscroll = @buffer.maxlen()-@win.getmaxx+3
+    end
+    print_buffer()
+    refresh()
+  end
+  def scroll(scroll=0,goto=nil,fact=nil)
+    if (not fact.nil?)
+      scroll = (fact * @win.getmaxy.to_f).to_i
+    elsif (not goto.nil?)
+      @curr_offset = (goto * @buffer.size()).to_i
+      scroll = 0
+    end
+    #@curr_offset -= @win.getmaxy/2
+    @curr_offset += scroll
+    if(@curr_offset < 0)
+      @curr_offset = 0
+    end
+    if(@curr_offset > @buffer.size()-@win.getmaxy+2)
+      @curr_offset = @buffer.size()-@win.getmaxy+2
+    end
+    print_buffer()
+    refresh()
+  end
+
+  def print_buffer()
+    #clear()
+    win_border()
+    j = 1
+    @buffer.yield(@win.getmaxy-2,@curr_offset) { |l,type|
+      @win.move(j,1)
+      if(type == 1) then @win.attron(Ncurses.COLOR_PAIR(1)) end
+      print_line(@win,l,hscroll=@hscroll)
+      if(type == 1) then @win.attroff(Ncurses.COLOR_PAIR(1)) end
+      j = j+1
+    }
+    if(@buffer.has_before?)
+      @win.move(2,@win.getmaxx-1)
+      @win.attron(Ncurses::A_REVERSE)
+      @win.addstr("↑")
+      @win.attroff(Ncurses::A_REVERSE)
+    end
+    if(@buffer.has_after?)
+      @win.move(@win.getmaxy-2,@win.getmaxx-1)
+      @win.attron(Ncurses::A_REVERSE)
+      @win.addstr("↓")
+      @win.attroff(Ncurses::A_REVERSE)
+    end
+  end
+
+  def proc_readlines()
+    begin
+      while true
+        @buffer.push(@proc.readline_nonblock)
+        update_date()
+      end
+    rescue IO::WaitReadable
+    end
+  end
+
+  def update(force=false)
+    if(@params['Type'] == 'continuous')
+      proc_readlines()
+    end
+    if(@params['Type'] == 'oneshot')
+      if(force or (Time.now - @last_update > @params['Periodic'].to_i))
+        @buffer.clear()
+        spawn_proc()
+        clear()
+      end
+    end
+    print_buffer()
+  end
+
+  def spawn_proc()
+    if(@params['Type'] == 'oneshot')
+      update_date()
+      Open3.popen3(@params["Command"]) { |i,o,e,t|
+        while ((not o.eof?) or (not e.eof?))
+          rs = IO.select([o,e],nil)[0]
+          r = (rs[0].eof?)? rs[1] : rs[0]
+
+          if r.fileno == o.fileno
+            @buffer.push(r.readline)
+          elsif r.fileno == e.fileno
+            @buffer.push(r.readline,type=1)
+          end
+        end
+      }
+    elsif(@params['Type'] == 'continuous')
+      @proc = IO.popen(@params["Command"])
+      proc_readlines()
+    end
+  end
+end
+
+