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-rw-r--r--lib/observer/src/observer_app_wx.erl47
1 files changed, 16 insertions, 31 deletions
diff --git a/lib/observer/src/observer_app_wx.erl b/lib/observer/src/observer_app_wx.erl
index a2b7c21993..40e117357c 100644
--- a/lib/observer/src/observer_app_wx.erl
+++ b/lib/observer/src/observer_app_wx.erl
@@ -29,7 +29,7 @@
-include("observer_defs.hrl").
%% Import drawing wrappers
--import(observer_perf_wx, [haveGC/0,
+-import(observer_perf_wx, [haveGC/0, make_gc/2, destroy_gc/1,
setPen/2, setFont/3, setBrush/2,
strokeLine/5, strokeLines/2, drawRoundedRectangle/6,
drawText/4, getTextExtent/2]).
@@ -244,28 +244,18 @@ handle_event(Event, _State) ->
%%%%%%%%%%
handle_sync_event(#wx{event = #wxPaint{}},_,
#state{app_w=DA, app=App, sel=Sel, paint=Paint, usegc=UseGC}) ->
- %% PaintDC must be created in a callback to work on windows.
- IsWindows = element(1, os:type()) =:= win32,
- %% Avoid Windows flickering hack
- DC = if IsWindows -> wx:typeCast(wxBufferedPaintDC:new(DA), wxPaintDC);
- true -> wxPaintDC:new(DA)
- end,
- IsWindows andalso wxDC:clear(DC),
- GC = case UseGC of
- true ->
- GC0 = ?wxGC:create(DC),
- %% Argh must handle scrolling when using ?wxGC
- {Sx,Sy} = wxScrolledWindow:calcScrolledPosition(DA, {0,0}),
- ?wxGC:translate(GC0, Sx,Sy),
- GC0;
- false ->
- wxScrolledWindow:doPrepareDC(DA,DC),
- DC
- end,
+ GC = {GC0, DC} = make_gc(DA, UseGC),
+ case UseGC of
+ false ->
+ wxScrolledWindow:doPrepareDC(DA,DC);
+ true ->
+ %% Argh must handle scrolling when using ?wxGC
+ {Sx,Sy} = wxScrolledWindow:calcScrolledPosition(DA, {0,0}),
+ ?wxGC:translate(GC0, Sx,Sy)
+ end,
%% Nothing is drawn until wxPaintDC is destroyed.
- draw({UseGC, GC}, App, Sel, Paint),
- UseGC andalso ?wxGC:destroy(GC),
- wxPaintDC:destroy(DC),
+ draw(GC, App, Sel, Paint),
+ destroy_gc(GC),
ok.
%%%%%%%%%%
handle_call(Event, From, _State) ->
@@ -312,15 +302,10 @@ handle_info({delivery, _Pid, app, _Curr, {[], [], [], []}},
handle_info({delivery, Pid, app, Curr, AppData},
State = #state{panel=Panel, appmon=Pid, current=Curr, usegc=UseGC,
app_w=AppWin, paint=#paint{font=Font}}) ->
- GC = if UseGC -> ?wxGC:create(AppWin);
- true -> wxWindowDC:new(AppWin)
- end,
- FontW = {UseGC, GC},
- setFont(FontW, Font, {0,0,0}),
- App = build_tree(AppData, FontW),
- if UseGC -> ?wxGC:destroy(GC);
- true -> wxWindowDC:destroy(GC)
- end,
+ GC = make_gc(AppWin, UseGC),
+ setFont(GC, Font, {0,0,0}),
+ App = build_tree(AppData, GC),
+ destroy_gc(GC),
setup_scrollbar(AppWin, App),
wxWindow:refresh(Panel),
wxWindow:layout(Panel),