diff options
Diffstat (limited to 'lib/observer/src/observer_perf_wx.erl')
| -rw-r--r-- | lib/observer/src/observer_perf_wx.erl | 147 |
1 files changed, 109 insertions, 38 deletions
diff --git a/lib/observer/src/observer_perf_wx.erl b/lib/observer/src/observer_perf_wx.erl index 96e433cbf2..c4659d1ea1 100644 --- a/lib/observer/src/observer_perf_wx.erl +++ b/lib/observer/src/observer_perf_wx.erl @@ -23,6 +23,12 @@ -export([init/1, handle_info/2, terminate/2, code_change/3, handle_call/3, handle_event/2, handle_sync_event/3, handle_cast/2]). +%% Drawing wrappers for DC and GC areas +-export([haveGC/1, + setPen/2, setFont/3, setBrush/2, + strokeLine/5, strokeLines/2, drawRoundedRectangle/6, + drawText/4, getTextExtent/2]). + -behaviour(wx_object). -include_lib("wx/include/wx.hrl"). -include("observer_defs.hrl"). @@ -36,7 +42,8 @@ data = {0, queue:new()}, panel, paint, - appmon + appmon, + usegc = false }). -define(wxGC, wxGraphicsContext). @@ -76,11 +83,18 @@ init([Notebook, Parent]) -> wxPanel:connect(IO, paint, [callback]), wxPanel:connect(MEM, paint, [callback]), - % DefFont = wxSystemSettings:getFont(?wxSYS_DEFAULT_GUI_FONT), - %% DefSize = wxFont:getPointSize(DefFont), - %% DefFamily = wxFont:getFamily(DefFont), - %% Font = wxFont:new(DefSize, DefFamily, ?wxFONTSTYLE_NORMAL, ?wxFONTWEIGHT_BOLD), - Font = wxFont:new(12,?wxFONTFAMILY_DECORATIVE,?wxFONTSTYLE_NORMAL,?wxFONTWEIGHT_BOLD), + UseGC = haveGC(Panel), + Font = case UseGC of + true -> + %% Def font is really small when using Graphics contexts for some reason + %% Hardcode it + wxFont:new(12,?wxFONTFAMILY_DECORATIVE,?wxFONTSTYLE_NORMAL,?wxFONTWEIGHT_BOLD); + false -> + DefFont = wxSystemSettings:getFont(?wxSYS_DEFAULT_GUI_FONT), + DefSize = wxFont:getPointSize(DefFont), + DefFamily = wxFont:getFamily(DefFont), + wxFont:new(DefSize, DefFamily, ?wxFONTSTYLE_NORMAL, ?wxFONTWEIGHT_BOLD) + end, SmallFont = wxFont:new(10, ?wxFONTFAMILY_DECORATIVE, ?wxFONTSTYLE_NORMAL, ?wxFONTWEIGHT_NORMAL), BlackPen = wxPen:new({0,0,0}, [{width, 2}]), Pens = [wxPen:new(Col, [{width, 2}]) || Col <- tuple_to_list(colors())], @@ -88,6 +102,7 @@ init([Notebook, Parent]) -> {Panel, #state{parent=Parent, panel =Panel, windows = {CPU, MEM, IO}, + usegc=UseGC, paint=#paint{font = Font, small = SmallFont, pen = ?wxGREY_PEN, @@ -112,7 +127,7 @@ handle_event(Event, _State) -> %%%%%%%%%% handle_sync_event(#wx{obj=Panel, event = #wxPaint{}},_, #state{active=Active, offset=Offset, paint=Paint, - windows=Windows, data=Data}) -> + windows=Windows, data=Data, usegc=UseGC}) -> %% PaintDC must be created in a callback to work on windows. %% Sigh workaround bug on MacOSX (Id in paint event is always 0) %% Panel = element(Id, Windows), @@ -121,14 +136,17 @@ handle_sync_event(#wx{obj=Panel, event = #wxPaint{}},_, Panel =:= element(?IO_W, Windows) -> ?IO_W end, DC = wxPaintDC:new(Panel), - GC = ?wxGC:create(DC), + GC = case UseGC of + true -> ?wxGC:create(DC); + false -> DC + end, %% Nothing is drawn until wxPaintDC is destroyed. try - draw(Offset, Id, GC, Panel, Paint, Data, Active) + draw(Offset, Id, {UseGC, GC}, Panel, Paint, Data, Active) catch _:Err -> io:format("Internal error ~p ~p~n",[Err, erlang:get_stacktrace()]) end, - ?wxGC:destroy(GC), + UseGC andalso ?wxGC:destroy(GC), wxPaintDC:destroy(DC), ok. %%%%%%%%%% @@ -269,8 +287,8 @@ draw(Offset, Id, DC, Panel, Paint=#paint{pens=Pens, small=Small}, Data, Active) _ -> Draw = fun(N) -> Lines = make_lines(Hs, Start, N, {X0,Max*HS,Last}, Y0, WS, HS), - ?wxGC:setPen(DC, element(1+ ((N-1) rem tuple_size(Pens)), Pens)), - ?wxGC:strokeLines(DC, Lines), + setPen(DC, element(1+ ((N-1) rem tuple_size(Pens)), Pens)), + strokeLines(DC, Lines), N+1 end, [Draw(I) || I <- lists:seq(NoGraphs, 1, -1)] @@ -278,8 +296,8 @@ draw(Offset, Id, DC, Panel, Paint=#paint{pens=Pens, small=Small}, Data, Active) case Active of false -> NotActive = "Service not available", - ?wxGC:setFont(DC, Small, {0,0,0}), - ?wxGC:drawText(DC, NotActive, X0 + 100, element(2,Size) div 2); + setFont(DC, Small, {0,0,0}), + drawText(DC, NotActive, X0 + 100, element(2,Size) div 2); true -> ignore end, @@ -363,9 +381,9 @@ draw_borders(Type, NoGraphs, DC, {W,H}, Max, Str2 = observer_lib:to_str(MaxUnit div 2), Str3 = observer_lib:to_str(0), - ?wxGC:setFont(DC, Font, {0,0,0}), - {TW,TH,_,_} = ?wxGC:getTextExtent(DC, Str1), - {SpaceW, _,_,_} = ?wxGC:getTextExtent(DC, "W"), + setFont(DC, Font, {0,0,0}), + {TW,TH} = getTextExtent(DC, Str1), + {SpaceW, _} = getTextExtent(DC, "W"), GraphX0 = ?BW+TW+?BW, GraphX1 = W-?BW*4, @@ -383,50 +401,50 @@ draw_borders(Type, NoGraphs, DC, {W,H}, Max, ScaleW = GraphW / 60, ScaleH = GraphH / Max, - ?wxGC:setFont(DC, Small, {0,0,0}), + setFont(DC, Small, {0,0,0}), Align = fun(Str, Y) -> - {StrW, _, _, _} = ?wxGC:getTextExtent(DC, Str), - ?wxGC:drawText(DC, Str, GraphX0 - StrW - ?BW, Y) + {StrW, _} = getTextExtent(DC, Str), + drawText(DC, Str, GraphX0 - StrW - ?BW, Y) end, Align(Str1, MaxTextY), Align(Str2, GraphY50 - (TH / 2)), Align(Str3, GraphY1 - (TH / 2) + 1), - ?wxGC:setPen(DC, Pen), + setPen(DC, Pen), DrawSecs = fun(Secs, Pos) -> Str = [observer_lib:to_str(Secs)|" s"], X = GraphX0+Pos, - ?wxGC:drawText(DC, Str, X-SpaceW, SecondsY), - ?wxGC:strokeLine(DC, X, GraphY0, X, GraphY1+5), + drawText(DC, Str, X-SpaceW, SecondsY), + strokeLine(DC, X, GraphY0, X, GraphY1+5), Pos + 10*ScaleW end, lists:foldl(DrawSecs, 0, lists:seq(60,0, -10)), - ?wxGC:strokeLine(DC, GraphX0-3, GraphY25, GraphX1, GraphY25), - ?wxGC:strokeLine(DC, GraphX0-3, GraphY50, GraphX1, GraphY50), - ?wxGC:strokeLine(DC, GraphX0-3, GraphY75, GraphX1, GraphY75), + strokeLine(DC, GraphX0-3, GraphY25, GraphX1, GraphY25), + strokeLine(DC, GraphX0-3, GraphY50, GraphX1, GraphY50), + strokeLine(DC, GraphX0-3, GraphY75, GraphX1, GraphY75), - ?wxGC:setPen(DC, Pen2), - ?wxGC:strokeLines(DC, [{GraphX0, GraphY0-1}, {GraphX0, GraphY1+1}, - {GraphX1, GraphY1+1}, {GraphX1, GraphY0-1}, - {GraphX0, GraphY0-1}]), + setPen(DC, Pen2), + strokeLines(DC, [{GraphX0, GraphY0-1}, {GraphX0, GraphY1+1}, + {GraphX1, GraphY1+1}, {GraphX1, GraphY0-1}, + {GraphX0, GraphY0-1}]), - ?wxGC:setFont(DC, Font, {0,0,0}), + setFont(DC, Font, {0,0,0}), case Type of - ?RQ_W -> ?wxGC:drawText(DC, "Scheduler Utilization (%) ", TopTextX,?BH); - ?MEM_W -> ?wxGC:drawText(DC, "Memory Usage " ++ Unit, TopTextX,?BH); - ?IO_W -> ?wxGC:drawText(DC, "IO Usage " ++ Unit, TopTextX,?BH) + ?RQ_W -> drawText(DC, "Scheduler Utilization (%) ", TopTextX,?BH); + ?MEM_W -> drawText(DC, "Memory Usage " ++ Unit, TopTextX,?BH); + ?IO_W -> drawText(DC, "IO Usage " ++ Unit, TopTextX,?BH) end, Text = fun(X,Y, Str, PenId) -> if PenId == 0 -> - ?wxGC:setFont(DC, Font, {0,0,0}); + setFont(DC, Font, {0,0,0}); PenId > 0 -> Id = 1 + ((PenId-1) rem tuple_size(colors())), - ?wxGC:setFont(DC, Font, element(Id, colors())) + setFont(DC, Font, element(Id, colors())) end, - ?wxGC:drawText(DC, Str, X, Y), - {StrW, _, _, _} = ?wxGC:getTextExtent(DC, Str), + drawText(DC, Str, X, Y), + {StrW, _} = getTextExtent(DC, Str), StrW + X + SpaceW end, case Type of @@ -483,3 +501,56 @@ colors() -> {240, 200, 80}, {140, 2, 140}, {100, 200, 240}, {100, 240, 100} }. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% wxDC and ?wxGC wrappers + +haveGC(Win) -> + try + GC = ?wxGC:create(Win), + ?wxGC:destroy(GC), + true + catch _:_ -> false + end. + +setPen({false, DC}, Pen) -> + wxDC:setPen(DC, Pen); +setPen({true, GC}, Pen) -> + ?wxGC:setPen(GC, Pen). + +setFont({false, DC}, Font, Color) -> + wxDC:setTextForeground(DC, Color), + wxDC:setFont(DC, Font); +setFont({true, GC}, Font, Color) -> + ?wxGC:setFont(GC, Font, Color). + +setBrush({false, DC}, Brush) -> + wxDC:setBrush(DC, Brush); +setBrush({true, GC}, Brush) -> + ?wxGC:setBrush(GC, Brush). + +strokeLine({false, DC}, X0, Y0, X1, Y1) -> + wxDC:drawLine(DC, {round(X0), round(Y0)}, {round(X1), round(Y1)}); +strokeLine({true, GC}, X0, Y0, X1, Y1) -> + ?wxGC:strokeLine(GC, X0, Y0, X1, Y1). + +strokeLines({false, DC}, Lines) -> + wxDC:drawLines(DC, [{round(X), round(Y)} || {X,Y} <- Lines]); +strokeLines({true, GC}, Lines) -> + ?wxGC:strokeLines(GC, Lines). + +drawRoundedRectangle({false, DC}, X0, Y0, X1, Y1, R) -> + wxDC:drawRoundedRectangle(DC, {round(X0), round(Y0)}, {round(X1), round(Y1)}, round(R)); +drawRoundedRectangle({true, GC}, X0, Y0, X1, Y1, R) -> + ?wxGC:drawRoundedRectangle(GC, X0, Y0, X1, Y1, R). + +drawText({false, DC}, Str, X, Y) -> + wxDC:drawText(DC, Str, {round(X),round(Y)}); +drawText({true, GC}, Str, X, Y) -> + ?wxGC:drawText(GC, Str, X, Y). + +getTextExtent({false, DC}, Str) -> + wxDC:getTextExtent(DC, Str); +getTextExtent({true, GC}, Str) -> + {W,H,_,_} = ?wxGC:getTextExtent(GC, Str), + {W,H}. |