From 5584462be1c6dce1990a9031c0e43a89e758a263 Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Mon, 20 Feb 2012 12:51:37 +0100 Subject: [observer] Add fallback drawing to raster api (wxDC) Sigh, seems that Suse-11 does not default deliver wxWidgets with wxGRAPHICS_CONTEXT enabled, add fallback to use wxDC again. --- lib/observer/src/observer_app_wx.erl | 95 ++++++++++++++++++++++-------------- 1 file changed, 59 insertions(+), 36 deletions(-) (limited to 'lib/observer/src/observer_app_wx.erl') diff --git a/lib/observer/src/observer_app_wx.erl b/lib/observer/src/observer_app_wx.erl index cb5f8c1259..900fba911a 100644 --- a/lib/observer/src/observer_app_wx.erl +++ b/lib/observer/src/observer_app_wx.erl @@ -27,6 +27,12 @@ -include_lib("wx/include/wx.hrl"). -include("observer_defs.hrl"). +%% Import drawing wrappers +-import(observer_perf_wx, [haveGC/1, + setPen/2, setFont/3, setBrush/2, + strokeLine/5, strokeLines/2, drawRoundedRectangle/6, + drawText/4, getTextExtent/2]). + -record(state, { parent, @@ -37,7 +43,8 @@ current, app, sel, - appmon + appmon, + usegc = false }). -record(paint, {font, pen, brush, sel, links}). @@ -102,8 +109,11 @@ init([Notebook, Parent]) -> wxPanel:connect(DrawingArea, left_dclick), wxPanel:connect(DrawingArea, right_down), - %% DefFont = wxSystemSettings:getFont(?wxSYS_DEFAULT_GUI_FONT), - DefFont = wxFont:new(12,?wxFONTFAMILY_DECORATIVE,?wxFONTSTYLE_NORMAL,?wxFONTWEIGHT_NORMAL), + UseGC = haveGC(DrawingArea), + Font = case UseGC of + true -> wxSystemSettings:getFont(?wxSYS_DEFAULT_GUI_FONT); + false -> wxFont:new(12,?wxFONTFAMILY_DECORATIVE,?wxFONTSTYLE_NORMAL,?wxFONTWEIGHT_NORMAL) + end, SelCol = wxSystemSettings:getColour(?wxSYS_COLOUR_HIGHLIGHT), GreyBrush = wxBrush:new({230,230,240}), SelBrush = wxBrush:new(SelCol), @@ -113,7 +123,8 @@ init([Notebook, Parent]) -> panel =Panel, apps_w=Apps, app_w =DrawingArea, - paint=#paint{font = DefFont, + usegc = UseGC, + paint=#paint{font = Font, pen = wxPen:new({80,80,80}, [{width, 2}]), brush= GreyBrush, sel = SelBrush, @@ -218,16 +229,23 @@ handle_event(Event, _State) -> %%%%%%%%%% handle_sync_event(#wx{event = #wxPaint{}},_, - #state{app_w=DA, app=App, sel=Sel, paint=Paint}) -> + #state{app_w=DA, app=App, sel=Sel, paint=Paint, usegc=UseGC}) -> %% PaintDC must be created in a callback to work on windows. DC = wxPaintDC:new(DA), - GC = ?wxGC:create(DC), - %% Argh must handle scrolling when using ?wxGC - {Sx,Sy} = wxScrolledWindow:calcScrolledPosition(DA, {0,0}), - ?wxGC:translate(GC, Sx,Sy), + 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, %% Nothing is drawn until wxPaintDC is destroyed. - draw(GC, App, Sel, Paint), - ?wxGC:destroy(GC), + draw({UseGC, GC}, App, Sel, Paint), + UseGC andalso ?wxGC:destroy(GC), wxPaintDC:destroy(DC), ok. %%%%%%%%%% @@ -274,12 +292,17 @@ handle_info({delivery, _Pid, app, _Curr, {[], [], [], []}}, {noreply, State#state{app=undefined, sel=undefined}}; handle_info({delivery, Pid, app, Curr, AppData}, - State = #state{panel=Panel, appmon=Pid, current=Curr, + State = #state{panel=Panel, appmon=Pid, current=Curr, usegc=UseGC, app_w=AppWin, paint=#paint{font=Font}}) -> - GC = ?wxGC:create(AppWin), - ?wxGC:setFont(GC, Font, {0,0,0}), - App = build_tree(AppData, {GC,Font}), - ?wxGC:destroy(GC), + 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, setup_scrollbar(AppWin, App), wxWindow:refresh(Panel), wxWindow:layout(Panel), @@ -374,11 +397,11 @@ locate_box(From, []) -> {false, From}. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -build_tree({Root, P2Name, Links, XLinks0}, Font) -> +build_tree({Root, P2Name, Links, XLinks0}, FontW) -> Fam = sofs:relation_to_family(sofs:relation(Links)), Name2P = gb_trees:from_orddict(lists:sort([{Name,Pid} || {Pid,Name} <- P2Name])), Lookup = gb_trees:from_orddict(sofs:to_external(Fam)), - {_, Tree0} = build_tree2(Root, Lookup, Name2P, Font), + {_, Tree0} = build_tree2(Root, Lookup, Name2P, FontW), {Tree, Dim} = calc_tree_size(Tree0), Fetch = fun({From, To}, Acc) -> try {value, ToPid} = gb_trees:lookup(To, Name2P), @@ -391,18 +414,18 @@ build_tree({Root, P2Name, Links, XLinks0}, Font) -> XLinks = lists:foldl(Fetch, [], XLinks0), #app{ptree=Tree, dim=Dim, links=XLinks}. -build_tree2(Root, Tree0, N2P, Font) -> +build_tree2(Root, Tree0, N2P, FontW) -> case gb_trees:lookup(Root, Tree0) of - none -> {Tree0, {box(Root, N2P, Font), []}}; + none -> {Tree0, {box(Root, N2P, FontW), []}}; {value, Children} -> Tree1 = gb_trees:delete(Root, Tree0), {Tree, CHs} = lists:foldr(fun("port " ++_, Acc) -> Acc; %% Skip ports (Child,{T0, Acc}) -> - {T, C} = build_tree2(Child, T0, N2P, Font), + {T, C} = build_tree2(Child, T0, N2P, FontW), {T, [C|Acc]} end, {Tree1, []}, Children), - {Tree, {box(Root, N2P, Font), CHs}} + {Tree, {box(Root, N2P, FontW), CHs}} end. calc_tree_size(Tree) -> @@ -447,12 +470,12 @@ middle([{#box{y=Y0},_}|List], _) -> {#box{y=Y1},_} = lists:last(List), (Y0+Y1) div 2. -box(Str0, N2P, {Win,_Font}) -> +box(Str0, N2P, FontW) -> Pid = gb_trees:get(Str0, N2P), Str = if hd(Str0) =:= $< -> lists:append(io_lib:format("~w", [Pid])); true -> Str0 end, - {TW,TH, _, _} = ?wxGC:getTextExtent(Win, Str), + {TW,TH} = getTextExtent(FontW, Str), Data = #str{text=Str, x=?BX_HE, y=?BY_HE, pid=Pid}, %% Add pid #box{w=round(TW)+?BX_E, h=round(TH)+?BY_E, s1=Data}. @@ -473,30 +496,30 @@ draw(_DC, undefined, _, _) -> ok; draw(DC, #app{dim={_W,_H}, ptree=Tree, links=Links}, Sel, #paint{font=Font, pen=Pen, brush=Brush, links=LPen, sel=SelBrush}) -> - ?wxGC:setPen(DC, LPen), + setPen(DC, LPen), [draw_xlink(Link, DC) || Link <- Links], - ?wxGC:setPen(DC, Pen), + setPen(DC, Pen), %% ?wxGC:drawRectangle(DC, 2,2, _W-2,_H-2), %% DEBUG - ?wxGC:setBrush(DC, Brush), - ?wxGC:setFont(DC, Font, {0,0,0}), + setBrush(DC, Brush), + setFont(DC, Font, {0,0,0}), draw_tree(Tree, root, DC), case Sel of undefined -> ok; {#box{x=X,y=Y,w=W,h=H,s1=Str1}, _} -> - ?wxGC:setBrush(DC, SelBrush), - ?wxGC:drawRoundedRectangle(DC, X-1,Y-1, W+2,H+2, 8.0), + setBrush(DC, SelBrush), + drawRoundedRectangle(DC, X-1,Y-1, W+2,H+2, 8.0), draw_str(DC, Str1, X, Y) end. draw_tree({Box=#box{x=X,y=Y,w=W,h=H,s1=Str1}, Chs}, Parent, DC) -> - ?wxGC:drawRoundedRectangle(DC, X,Y, W,H, 8.0), + drawRoundedRectangle(DC, X,Y, W,H, 8.0), draw_str(DC, Str1, X, Y), Dot = case Chs of [] -> ok; [{#box{x=CX0},_}|_] -> CY = Y+(H div 2), CX = CX0-(?BB_X div 2), - ?wxGC:strokeLine(DC, X+W, CY, CX, CY), + strokeLine(DC, X+W, CY, CX, CY), {CX, CY} end, draw_link(Parent, Box, DC), @@ -506,9 +529,9 @@ draw_link({CX,CY}, #box{x=X,y=Y0,h=H}, DC) -> Y = Y0+(H div 2), case Y =:= CY of true -> - ?wxGC:strokeLine(DC, CX, CY, X, CY); + strokeLine(DC, CX, CY, X, CY); false -> - ?wxGC:strokeLines(DC, [{CX, CY}, {CX, Y}, {X,Y}]) + strokeLines(DC, [{CX, CY}, {CX, Y}, {X,Y}]) end; draw_link(_, _, _) -> ok. @@ -527,8 +550,8 @@ draw_xlink(X0, Y00, X1, Y11, BH, DC) -> {Y0,Y1} = if Y00 < Y11 -> {Y00+BH-6, Y11+6}; true -> {Y00+6, Y11+BH-6} end, - ?wxGC:strokeLines(DC, [{X0,Y0}, {X0+5,Y0}, {X1-5,Y1}, {X1,Y1}]). + strokeLines(DC, [{X0,Y0}, {X0+5,Y0}, {X1-5,Y1}, {X1,Y1}]). draw_str(DC, #str{x=Sx,y=Sy, text=Text}, X, Y) -> - ?wxGC:drawText(DC, Text, X+Sx,Y+Sy); + drawText(DC, Text, X+Sx,Y+Sy); draw_str(_, _, _, _) -> ok. -- cgit v1.2.3