aboutsummaryrefslogtreecommitdiffstats
path: root/lib/observer/src/observer_perf_wx.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/observer/src/observer_perf_wx.erl')
-rw-r--r--lib/observer/src/observer_perf_wx.erl147
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}.