1 files changed, 685 insertions, 0 deletions
diff --git a/lib/tv/src/tv_pb.erl b/lib/tv/src/tv_pb.erl
new file mode 100644
index 0000000000..34db8d0772
--- /dev/null
+++ b/lib/tv/src/tv_pb.erl
@@ -0,0 +1,685 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+-module(tv_pb).
+
+
+
+-export([pb/1]).
+
+
+-include("tv_int_def.hrl").
+-include("tv_pd_int_msg.hrl").
+-include("tv_pb_int_def.hrl").
+
+
+
+
+
+
+
+
+%%%*********************************************************************
+%%% EXTERNAL FUNCTIONS
+%%%*********************************************************************
+
+
+
+
+%%======================================================================
+%% Function:      pb.
+%%
+%% Return Value:  None.
+%%
+%% Description:   Process controlling the grid buttons on the display.
+%%
+%% Parameters:    None.
+%%======================================================================
+
+
+pb(ParentPid) ->
+    process_flag(trap_exit, true),
+    ProcVars = #process_variables{parent_pid = ParentPid},
+    loop(ProcVars).
+
+
+
+
+
+
+
+
+%%%********************************************************************
+%%% INTERNAL FUNCTIONS
+%%%********************************************************************
+
+
+
+
+
+%%======================================================================
+%% Function:      loop.
+%%
+%% Return Value:  None.
+%%
+%% Description:   Eternal (well, almost) loop, receiving messages and 
+%%                handling them.
+%%
+%% Parameters:    
+%%======================================================================
+
+
+loop(ProcVars) ->
+    receive
+	Msg ->
+	    case Msg of
+		
+		#pb_update_vbtns{} ->
+		    NewProcVars = update_vbtns(Msg, ProcVars),
+		    loop(NewProcVars);
+
+		#pb_key_info{} ->
+		    NewProcVars = update_keys(Msg, ProcVars),
+		    loop(NewProcVars);
+
+		#pb_update_hbtns{} ->
+		    NewProcVars = update_hbtns(Msg, ProcVars),
+		    loop(NewProcVars);
+
+		#pb_set_sort_col{} ->
+		    NewProcVars = set_sort_col(Msg, ProcVars),
+		    loop(NewProcVars);
+
+		#pb_remove_marks{} ->
+		    NewProcVars = remove_marks(ProcVars),
+		    loop(NewProcVars);
+
+		#pb_init_btns{} ->
+		    NewProcVars = init_btns(Msg, ProcVars),
+		    loop(NewProcVars);
+
+		{gs, Id, Event, Data, Args} ->
+		    NewProcVars = gs_messages({Id, Event, Data, Args}, ProcVars),
+		    loop(NewProcVars);
+
+
+		{'EXIT', Pid, Reason} ->
+		    ParentPid = ProcVars#process_variables.parent_pid,
+		    exit_signals({Pid, Reason}, ParentPid, ProcVars),
+		    loop(ProcVars);
+
+		_Other ->
+		    loop(ProcVars)
+	    end
+    end.
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+exit_signals(ExitInfo, ParentPid, _ProcVars) ->
+    case ExitInfo of
+	{ParentPid, _Reason} ->
+	    exit(normal);
+	_Other ->
+	    done
+    end.
+
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+gs_messages(Msg, ProcVars) ->
+
+    case Msg of
+
+	{Id, click, {hbtn, RealCol, VirtualCol}, _Args} ->
+	    handle_col_marking(Id, RealCol, VirtualCol, ProcVars);
+
+	{Id, buttonpress, {resbtn, RealCol, VirtualCol, Xpos}, [1 | _Tail]} ->
+	    handle_col_resizing(Id, RealCol, VirtualCol, Xpos, ProcVars),
+	    ProcVars;
+
+	{_Id, click, {vbtn, RealRow, VirtualRow}, _Args} ->
+	    handle_row_marking(RealRow, VirtualRow, ProcVars);
+
+	_OtherMessage ->
+	    ProcVars
+
+    end.
+	    
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+remove_marks(ProcVars) ->
+    #process_variables{col_mark_params = ColMarkP,
+		       row_mark_params = RowMarkP}  = ProcVars,
+
+    #col_mark_params{col_btn_id          = BtnId,
+		     virtual_col_marked  = VirtualCol,
+		     virtual_sort_col    = SortCol}  = ColMarkP,
+    
+    case BtnId of 
+	undefined ->
+	    done;
+	_AnyId ->
+	    case VirtualCol of
+		SortCol ->
+		    gs:config(BtnId, [{bg, ?SORT_MARK_COLOR},
+				      {fg, {0, 0, 0}}
+				     ]);
+		_Other ->
+		    gs:config(BtnId, [{bg, ?DEFAULT_BG_COLOR},
+				      {fg, {0, 0, 0}}
+				     ])
+	    end
+    end,
+    
+    NewRowMarkP = RowMarkP#row_mark_params{virtual_row_marked = undefined,
+					   real_row_marked    = undefined
+					  },
+    NewColMarkP = ColMarkP#col_mark_params{col_btn_id         = undefined,
+					   virtual_col_marked = undefined
+					  },
+    ProcVars#process_variables{col_mark_params = NewColMarkP,
+			       row_mark_params = NewRowMarkP
+			      }.
+    
+				   
+		    
+		    
+		    
+    
+    
+    
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+handle_col_marking(BtnId, RealCol, VirtualCol, ProcVars) ->
+    #process_variables{parent_pid      = PdPid,
+		       col_mark_params = ColMarkP,
+		       row_mark_params = RowMarkP}  = ProcVars,
+
+    #col_mark_params{col_btn_id          = OldBtnId,
+		     virtual_col_marked  = OldVirtualCol,
+		     virtual_sort_col    = SortCol}  = ColMarkP,
+
+    {ColMarked, NewColMarkP} = mark_col_btn(BtnId, OldBtnId, VirtualCol, 
+					    OldVirtualCol, RealCol, SortCol, 
+					    ColMarkP),
+
+    PdPid ! #pb_col_marked{sender      = self(),
+			   col_marked  = ColMarked,
+			   real_col    = RealCol,
+			   virtual_col = VirtualCol
+			  },
+
+    NewRowMarkP = RowMarkP#row_mark_params{virtual_row_marked = undefined,
+					   real_row_marked    = undefined
+					  },
+    ProcVars#process_variables{col_mark_params = NewColMarkP,
+			       row_mark_params = NewRowMarkP
+			      }.
+
+    
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+handle_row_marking(RealRow, VirtualRow, ProcVars) ->
+    #process_variables{parent_pid      = PdPid,
+		       col_mark_params = ColMarkP,
+		       row_mark_params = RowMarkP}  = ProcVars,
+
+    #col_mark_params{col_btn_id          = OldBtnId,
+		     virtual_col_marked  = OldVirtualCol,
+		     virtual_sort_col    = SortCol}  = ColMarkP,
+
+    {_ColMarked, NewColMarkP} = mark_col_btn(OldBtnId, OldBtnId, OldVirtualCol, 
+					     OldVirtualCol, undefined, SortCol, 
+					     ColMarkP),
+
+    #row_mark_params{virtual_row_marked = OldVirtualRow} = RowMarkP,
+
+       % Check if row shall be marked or unmarked!
+    {RowMarked, NewRowMarkP} = check_marked_row(VirtualRow, OldVirtualRow, RealRow,
+						RowMarkP),
+
+    PdPid ! #pb_row_marked{sender      = self(),
+			   row_marked  = RowMarked,
+			   real_row    = RealRow,
+			   virtual_row = VirtualRow
+			  },
+    
+    ProcVars#process_variables{row_mark_params = NewRowMarkP,
+			       col_mark_params = NewColMarkP}.
+
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+%% Three cases: no button previously clicked, or same button clicked,
+%% or some other button clicked.
+
+check_marked_row(NewVirtRow, undefined, RealRow, RowMarkP) ->
+       % No btn already pressed!
+    {true, RowMarkP#row_mark_params{virtual_row_marked = NewVirtRow,
+				    real_row_marked    = RealRow}};
+check_marked_row(NewVirtRow, OldVirtRow, _RealRow, RowMarkP) when NewVirtRow =:= OldVirtRow ->
+       % The button previously pressed has been pressed again!
+    {false, RowMarkP#row_mark_params{virtual_row_marked = undefined,
+				     real_row_marked    = undefined}};
+check_marked_row(NewVirtRow, _OldVirtRow, RealRow, RowMarkP) ->
+       % A new btn has been pressed!
+    {true, RowMarkP#row_mark_params{virtual_row_marked = NewVirtRow,
+				    real_row_marked    = RealRow}}.
+
+
+
+
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+set_sort_col(Msg, ProcVars) ->
+    #pb_set_sort_col{virtual_col = SortCol} = Msg,
+    tv_pb_funcs:set_new_sort_col(SortCol, ProcVars).
+    
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+%% Three cases: no button previously clicked, or same button clicked,
+%% or some other button clicked.
+
+mark_col_btn(NewId, undefined, NewVirtCol, _OldVirtCol, _RealCol, _SortCol, ColMarkP) ->
+       % No btn already pressed!
+    gs:config(NewId, [{bg, ?COL_MARK_COLOR},
+		      {fg, {255, 255, 255}}
+		     ]),
+    {true, ColMarkP#col_mark_params{col_btn_id         = NewId,
+				    virtual_col_marked = NewVirtCol}};
+mark_col_btn(NewId, _OldId, NewVirtCol, OldVirtCol, _RealCol, SortCol, ColMarkP) when NewVirtCol =:= OldVirtCol, NewVirtCol =:= SortCol ->
+       % The button previously pressed has been pressed again!
+    gs:config(NewId, [{bg, ?SORT_MARK_COLOR},
+		      {fg, {0, 0, 0}}
+		     ]),
+    {false, ColMarkP#col_mark_params{col_btn_id         = undefined,
+				     virtual_col_marked = undefined}};
+mark_col_btn(NewId, _OldId, NewVirtCol, OldVirtCol, _RealCol, _SortCol, ColMarkP) when NewVirtCol =:= OldVirtCol ->
+       % The button previously pressed has been pressed again!
+    gs:config(NewId, [{bg, ?DEFAULT_BG_COLOR},
+		      {fg, {0, 0, 0}}
+		     ]),
+    {false, ColMarkP#col_mark_params{col_btn_id         = undefined,
+				     virtual_col_marked = undefined}};
+mark_col_btn(NewId, OldId, NewVirtCol, _OldVirtCol, _RealCol, _SortCol, ColMarkP) ->
+       % A new btn has been pressed!
+    gs:config(OldId, [{bg, ?DEFAULT_BG_COLOR},
+			 {fg, {0, 0, 0}}
+			]),
+    gs:config(NewId, [{bg, ?COL_MARK_COLOR},
+		      {fg, {255, 255, 255}}
+		     ]),
+    {true, ColMarkP#col_mark_params{col_btn_id         = NewId,
+				    virtual_col_marked = NewVirtCol}}.
+    		    
+		    
+	    
+	    
+    
+    
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+handle_col_resizing(RbtnId, RealCol, VirtualCol, Xpos, ProcVars) ->
+    gs:config(RbtnId, [{motion, true}]),
+    #process_variables{parent_pid        = ParentPid,
+		       grid_frame_id     = GrFrId,
+		       grid_frame_height = Height,
+		       hbtn_height       = HbtnH,
+		       resbtn_width      = RbtnW,
+		       cols_shown        = ColsShown} = ProcVars,
+    
+    LineId = gs:frame(GrFrId, [{width, 1},
+			       {height, Height - HbtnH},
+			       {x, Xpos},
+			       {y, HbtnH - 1},
+			       {bg, ?DEFAULT_BG_COLOR}
+			      ]),
+    MinColWidth = RbtnW,
+    
+    OldColWidth = lists:nth(RealCol, ColsShown),
+    Xdiff = get_xdiff(RbtnId, 1, 0, LineId, Xpos, MinColWidth - OldColWidth),
+
+    ParentPid ! #pb_new_colwidth{sender      = self(),
+				 real_col    = RealCol,
+				 virtual_col = VirtualCol,
+				 xdiff       = Xdiff},
+
+    gs:config(RbtnId, [{motion, false}]),
+    gs:destroy(LineId).
+
+
+    
+
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+get_xdiff(Id, Btn, LastXdiff, LineId, LineXpos, MinAllowedXdiff) ->
+    receive
+	{gs, Id, motion, {resbtn, _RealCol, _VirtCol, _OldXpos}, [NewXdiff | _T]} ->
+	    UsedXdiff = max(MinAllowedXdiff, NewXdiff),
+	    gs:config(LineId, [{x, LineXpos + UsedXdiff}]),
+	    get_xdiff(Id, Btn, UsedXdiff, LineId, LineXpos, MinAllowedXdiff);
+	{gs, Id, buttonrelease, _Data, [Btn | _T]} ->
+	    LastXdiff;
+	{gs, Id, buttonrelease, _Data, _Args} ->
+	    get_xdiff(Id, Btn, LastXdiff, LineId, LineXpos, MinAllowedXdiff);
+	{gs, Id, buttonpress, _Data, _Args} ->
+	    get_xdiff(Id, Btn, LastXdiff, LineId, LineXpos, MinAllowedXdiff)
+    end.
+
+
+
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+init_btns(Msg, ProcVars) ->
+    #pb_init_btns{parent_id       = ParentId,
+		  parent_width    = Width,
+		  parent_height   = Height,
+		  ypos            = Ypos,
+		  hbtn_height     = HbtnH,
+		  resbtn_width    = RbtnW,
+		  vbtn_width      = VbtnW,
+		  nof_rows        = NofRows,
+		  row_height      = RowHeight,
+		  first_col_shown = FirstColShown,
+		  cols_shown      = ColsShown} = Msg,
+
+    NewProcVars = tv_pb_funcs:init_btns(ParentId, Ypos, HbtnH, VbtnW, RbtnW, 
+					 FirstColShown, ColsShown, NofRows, 
+					 RowHeight, ProcVars),
+
+    gs:frame(ParentId, [{bg, {0, 0, 0}},
+			{bw, 0},
+			{width, 1300},
+			{height, 1},
+			{x, 0},
+			{y, Ypos - 1}
+		       ]),
+    NewProcVars#process_variables{grid_frame_width  = Width,
+				  grid_frame_height = Height
+				 }.
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+update_hbtns(Msg, ProcVars) ->
+    #pb_update_hbtns{parent_width    = Width,
+		     parent_height   = Height,
+		     first_col_shown = FirstColShown,
+		     cols_shown      = ColsShown} = Msg,
+
+    NewProcVars = tv_pb_funcs:update_hbtns(FirstColShown, ColsShown, ProcVars),
+
+    NewProcVars#process_variables{grid_frame_width  = Width,
+				  grid_frame_height = Height
+				 }.
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+update_vbtns(Msg, ProcVars) ->
+    #pb_update_vbtns{color_list       = Colors,
+		     first_row_shown  = FirstRowShown,
+		     nof_rows_shown   = NofRowsShown,
+		     blinking_enabled = BlinkEnabled} = Msg,
+    
+    tv_pb_funcs:update_vbtns(NofRowsShown, FirstRowShown, Colors, BlinkEnabled, 
+			      ProcVars).
+    
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+update_keys(Msg, ProcVars) ->
+    #pb_key_info{list_of_keys = KeyList} = Msg,
+    tv_pb_funcs:update_keys(KeyList, ProcVars).
+
+
+
+
+
+
+
+
+%%======================================================================
+%% Function:      
+%%
+%% Return Value:  
+%%
+%% Description:   
+%%
+%% Parameters:    
+%%======================================================================
+
+
+max(A, B) when A >= B ->
+    A;
+max(_, B) ->
+    B.
+    
+