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Archive for September, 2009

PathMatchSpecの挙動

04 Sep

Windows上でワイルドカードを処理するAPIがPathMatchSpecである。

http://msdn.microsoft.com/en-us/library/bb773727(VS.85).aspx

しかしここに載っているサンプルがあまりにもセンスが悪い。

ということでテストコードを書いた。コードは後述。結果は以下。

&#034;somepath.html&#034; , &#034;somepath?html&#034; =&#062; true
&#034;somepath.html&#034; , &#034;&#034; =&#062; true
&#034;somepath.html&#034; , &#034;(null)&#034; =&#062; false
&#034;&#034; , &#034;&#042;&#034; =&#062; true
&#034;&#034; , &#034;a&#034; =&#062; false
&#034;somepath&#034; , &#034;&#042;.&#034; =&#062; false
&#034;somepath&#034; , &#034;&#042;.&#042;&#034; =&#062; true
&#034;hoge&#092;fuga.html&#034; , &#034;hoge&#042;&#034; =&#062; true
&#034;hoge&#092;fuga.html&#034; , &#034;hoge&#042;html&#034; =&#062; true
&#034;hoge&#092;fuga.html&#034; , &#034;hoge&#092;&#042;&#034; =&#062; true

"somepath.html" , "somepath?html" => true

"somepath.html" , "" => true

"somepath.html" , "(null)" => false

"" , "*" => true

"" , "a" => false

"somepath" , "*." => false

"somepath" , "*.*" => true

"hoge\fuga.html" , "hoge*" => true

"hoge\fuga.html" , "hoge*html" => true

"hoge\fuga.html" , "hoge\*" => true

コードはこんな。

<span class="synPreProc">#include </span><span class="synConstant">&#060;stdio.h&#062;</span>
<span class="synPreProc">#include </span><span class="synConstant">&#060;Shlwapi.h&#062;</span>
<span class="synPreProc">#pragma comment(lib, </span><span class="synConstant">&#034;shlwapi.lib&#034;</span><span class="synPreProc">)</span>
<span class="synType">void</span> test(<span class="synType">const</span> <span class="synType">wchar_t</span>* path, <span class="synType">const</span> <span class="synType">wchar_t</span>* spec){
wprintf(<span class="synConstant">L&#034;</span><span class="synSpecial">\&#034;%s\&#034;</span><span class="synConstant"> , </span><span class="synSpecial">\&#034;%s\&#034;</span><span class="synConstant"> =&#062; </span><span class="synSpecial">%s\n</span><span class="synConstant">&#034;</span>
, path, spec
, ::PathMatchSpec(path, spec)?<span class="synConstant">L&#034;true&#034;</span>:<span class="synConstant">L&#034;false&#034;</span>);
}
<span class="synType">int</span> main(<span class="synType">const</span> <span class="synType">int</span> &#038;){
test(<span class="synConstant">L&#034;somepath.html&#034;</span>, <span class="synConstant">L&#034;somepath?html&#034;</span>);
test(<span class="synConstant">L&#034;somepath.html&#034;</span>, <span class="synConstant">L&#034;&#034;</span>);
test(<span class="synConstant">L&#034;somepath.html&#034;</span>, <span class="synConstant">NULL</span>);
test(<span class="synConstant">L&#034;&#034;</span>, <span class="synConstant">L&#034;*&#034;</span>);
test(<span class="synConstant">L&#034;&#034;</span>, <span class="synConstant">L&#034;a&#034;</span>);
test(<span class="synConstant">L&#034;somepath&#034;</span>, <span class="synConstant">L&#034;*.&#034;</span>);
test(<span class="synConstant">L&#034;somepath&#034;</span>, <span class="synConstant">L&#034;*.*&#034;</span>);
test(<span class="synConstant">L&#034;hoge</span><span class="synSpecial">\\</span><span class="synConstant">fuga.html&#034;</span>, <span class="synConstant">L&#034;hoge*&#034;</span>);
test(<span class="synConstant">L&#034;hoge</span><span class="synSpecial">\\</span><span class="synConstant">fuga.html&#034;</span>, <span class="synConstant">L&#034;hoge*html&#034;</span>);
test(<span class="synConstant">L&#034;hoge</span><span class="synSpecial">\\</span><span class="synConstant">fuga.html&#034;</span>, <span class="synConstant">L&#034;hoge</span><span class="synSpecial">\\</span><span class="synConstant">*&#034;</span>);
}

#include <stdio.h>

#include <Shlwapi.h>

#pragma comment(lib, "shlwapi.lib")

void test(const wchar_t* path, const wchar_t* spec){

wprintf(L"\"%s\" , \"%s\" => %s\n"

, path, spec

, ::PathMatchSpec(path, spec)?L"true":L"false");

}

int main(const int &){

test(L"somepath.html", L"somepath?html");

test(L"somepath.html", L"");

test(L"somepath.html", NULL);

test(L"", L"*");

test(L"", L"a");

test(L"somepath", L"*.");

test(L"somepath", L"*.*");

test(L"hoge\\fuga.html", L"hoge*");

test(L"hoge\\fuga.html", L"hoge*html");

test(L"hoge\\fuga.html", L"hoge\\*");

}

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Posted in windows

WM_GETDLGCODE無限ループ:2

02 Sep

d:id:kuboon:20090901

なんだかいろんな人がいろんなことを言っているが、

http://www.tech-archive.net/Archive/InetSDK/microsoft.public.inetsdk.programming.webbrowser_ctl/2006-06/msg00038.html

に載っていたコードが実装しやすそうだったので入れてみたら直った。

一度直ればこっちのもんで、コード修正と実行を繰り返し、最終的に落ち着いたのは以下のコード。

LRESULT BrowserDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
<span class="synStatement">if</span>( (message==WM_SYSCOMMAND &#038;&#038; wParam==SC_MINIMIZE) <span class="synComment">//最小化ボタン</span>
||  (message==WM_ACTIVATE &#038;&#038; wParam==WA_INACTIVE)   <span class="synComment">//フォーカスアウト</span>
||  (message==WM_SHOWWINDOW &#038;&#038; wParam==FALSE)		<span class="synComment">//不可視化</span>
){
::SetFocus(<span class="synConstant">NULL</span>);
}
<span class="synStatement">return</span> CDialog::WindowProc(message, wParam, lParam);
}

LRESULT BrowserDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)

{

if( (message==WM_SYSCOMMAND && wParam==SC_MINIMIZE) //最小化ボタン

|| (message==WM_ACTIVATE && wParam==WA_INACTIVE) //フォーカスアウト

|| (message==WM_SHOWWINDOW && wParam==FALSE) //不可視化

){

::SetFocus(NULL);

}

return CDialog::WindowProc(message, wParam, lParam);

}

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Posted in MFC, windows

WM_GETDLGCODE無限ループ

01 Sep

IWebBrowserを乗っけたダイアログ上でJavaAppletを開き、アプレット上のUIをいじっているとメインスレッドがフリーズ。

なんだろうと思ってブレークをかけてみると、ダイアログの子要素に対してWM_GETDLGCODEがものすごい勢いで投げまくられている状態。

で、調査した。

WM_GETDLGCODEのなんたるか：

http://msdn.microsoft.com/ja-jp/library/ms645425

http://support.microsoft.com/kb/83302/en

タブコントロールを使っている場合に同じ状況に陥るケースが頻繁に報告されている。僕には関係ない。次。

http://blog.goo.ne.jp/satomi_takeo/e/b058ef705da6ca88ec87db660878c789

あたりっぽいんだが、リンク先サイトが死んでいて状況を追えず。次。

http://www.guyswithtowels.com/articles/2002-08-15-1600.html#ModelessDialogs

具体的なコードも出ていて助かる。が、メッセージポンプはMFC側にあるので、この通りに実装するの難しそう。

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Posted in MFC, windows

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Archive for September, 2009

PathMatchSpecの挙動

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