From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 lib/wx/examples/demo/ex_sashWindow.erl | 128 +++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 lib/wx/examples/demo/ex_sashWindow.erl

(limited to 'lib/wx/examples/demo/ex_sashWindow.erl')

diff --git a/lib/wx/examples/demo/ex_sashWindow.erl b/lib/wx/examples/demo/ex_sashWindow.erl
new file mode 100644
index 0000000000..dd05f4e45f
--- /dev/null
+++ b/lib/wx/examples/demo/ex_sashWindow.erl
@@ -0,0 +1,128 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 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(ex_sashWindow).
+
+-behaviour(wx_object).
+
+%% Client API
+-export([start/1]).
+
+%% wx_object callbacks
+-export([init/1, terminate/2,  code_change/3,
+	 handle_info/2, handle_call/3, handle_event/2]).
+
+-include_lib("wx/include/wx.hrl").
+
+-record(state, 
+	{
+	  parent,
+	  config,
+	  top_sash,
+	  bottom_sash
+	}).
+
+-define(TOP_SASH, 1).
+-define(BOTTOM_SASH, 2).
+
+start(Config) ->
+    wx_object:start_link(?MODULE, Config, []).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+init(Config) ->
+    wx:batch(fun() -> do_init(Config) end).
+
+do_init(Config) ->
+    Parent = proplists:get_value(parent, Config),  
+    Panel = wxPanel:new(Parent, []),
+
+    %% Setup sizers
+    MainSizer = wxBoxSizer:new(?wxVERTICAL),
+    Sizer = wxBoxSizer:new(?wxVERTICAL),
+
+    TopSash = wxSashWindow:new(Panel, [{id, ?TOP_SASH},
+				       {style, ?wxSW_3D}]),
+    Win1 = wxPanel:new(TopSash, []),
+    wxStaticText:new(Win1, ?wxID_ANY, "This is the top sash", []),
+    BottomSash = wxSashWindow:new(Panel, [{id, ?BOTTOM_SASH},
+					  {style, ?wxSW_3D}]),
+    Win2 = wxPanel:new(BottomSash, []),
+    wxStaticText:new(Win2, ?wxID_ANY, "This is the bottom sash", []),
+
+    %% Make the bottom edge of the top sash dragable
+    wxSashWindow:setSashVisible(TopSash, ?wxSASH_BOTTOM, true),
+    wxPanel:connect(Panel, sash_dragged),
+    wxPanel:connect(Panel, size),
+
+    %% Add to sizers
+    Options = [{flag, ?wxEXPAND}, {proportion, 1}],
+    wxSizer:add(Sizer, TopSash, Options),
+    wxSizer:add(Sizer, BottomSash, Options),
+    wxSizer:add(MainSizer, Sizer, Options),
+    wxPanel:setSizer(Panel, MainSizer),
+    wxSizer:fit(MainSizer, Panel),
+    wxSizer:setSizeHints(MainSizer, Panel),
+    {Panel, #state{parent=Panel, config=Config,
+		   top_sash = TopSash, bottom_sash = BottomSash}}.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Async Events are handled in handle_event as in handle_info
+handle_event(#wx{event = #wxSash{dragRect = {_X,Y, _W, H}}},
+	     State = #state{top_sash = TopSash,
+			    bottom_sash = BottomSash}) ->
+    {OldW, OldH} = wxPanel:getSize(State#state.parent),
+    Diff = OldH - H,
+    {OldX, _} = wxSashWindow:getPosition(BottomSash),
+    wxSashWindow:setMinSize(BottomSash, {OldW,Diff}),
+    wxSashWindow:setMinSize(TopSash, {OldW,H}),
+    wxSashWindow:setSize(BottomSash, {OldX, Y,OldW,Diff}),
+    wxSashWindow:setSize(TopSash, {OldW,H}),
+    wxPanel:refresh(State#state.parent),
+    {noreply, State};
+handle_event(#wx{event = #wxSize{size = {W, H}}},
+	     State = #state{top_sash = TopSash,
+			    bottom_sash = BottomSash}) ->
+    wxSashWindow:setMinSize(TopSash, {W, H div 2}),
+    wxSashWindow:setMinSize(BottomSash, {W, H div 2}),
+    wxSashWindow:setSize(TopSash, {W, H div 2}),
+    wxSashWindow:setSize(BottomSash, {0,H div 2,W,H div 2}),
+    wxPanel:refresh(State#state.parent),
+    {noreply, State};
+handle_event(Ev = #wx{}, State = #state{}) ->
+    demo:format(State#state.config, "Got Event ~p\n", [Ev]),
+    {noreply, State}.
+
+%% Callbacks handled as normal gen_server callbacks
+handle_info(Msg, State) ->
+    demo:format(State#state.config, "Got Info ~p\n", [Msg]),
+    {noreply, State}.
+
+handle_call(Msg, _From, State) ->
+    demo:format(State#state.config, "Got Call ~p\n", [Msg]),
+    {reply,{error, nyi}, State}.
+
+code_change(_, _, State) ->
+    {stop, ignore, State}.
+
+terminate(_Reason, _State) ->
+    ok.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Local functions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
-- 
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