1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/utilswin.cpp
3 // Purpose: Various utility functions only available in Windows GUI
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 21.06.2003 (extracted from msw/utils.cpp)
7 // Copyright: (c) Julian Smart
8 // Licence: wxWindows licence
9 ///////////////////////////////////////////////////////////////////////////////
10
11 #include "wx/wxprec.h"
12
13 #ifdef __BORLANDC__
14 #pragma hdrstop
15 #endif
16
17 #ifndef WX_PRECOMP
18 #include "wx/utils.h"
19 #endif //WX_PRECOMP
20
21 #include "wx/msw/private.h" // includes <windows.h>
22 #include "wx/msw/registry.h"
23 #include <shellapi.h> // needed for SHELLEXECUTEINFO
24
25 // ----------------------------------------------------------------------------
26 // Launch document with default app
27 // ----------------------------------------------------------------------------
28
wxLaunchDefaultApplication(const wxString & document,int flags)29 bool wxLaunchDefaultApplication(const wxString& document, int flags)
30 {
31 wxUnusedVar(flags);
32
33 WinStruct<SHELLEXECUTEINFO> sei;
34 sei.lpFile = document.t_str();
35 #ifdef __WXWINCE__
36 sei.nShow = SW_SHOWNORMAL; // SW_SHOWDEFAULT not defined under CE (#10216)
37 #else
38 sei.nShow = SW_SHOWDEFAULT;
39 #endif
40
41 // avoid Windows message box in case of error for consistency with
42 // wxLaunchDefaultBrowser() even if don't show the error ourselves in this
43 // function
44 sei.fMask = SEE_MASK_FLAG_NO_UI;
45
46 if ( ::ShellExecuteEx(&sei) )
47 return true;
48
49 return false;
50 }
51
52 // ----------------------------------------------------------------------------
53 // Launch default browser
54 // ----------------------------------------------------------------------------
55
wxDoLaunchDefaultBrowser(const wxString & url,const wxString & scheme,int flags)56 bool wxDoLaunchDefaultBrowser(const wxString& url, const wxString& scheme, int flags)
57 {
58 wxUnusedVar(flags);
59
60 #if wxUSE_IPC
61 if ( flags & wxBROWSER_NEW_WINDOW )
62 {
63 // ShellExecuteEx() opens the URL in an existing window by default so
64 // we can't use it if we need a new window
65 wxRegKey key(wxRegKey::HKCR, scheme + wxT("\\shell\\open"));
66 if ( !key.Exists() )
67 {
68 // try the default browser, it must be registered at least for http URLs
69 key.SetName(wxRegKey::HKCR, wxT("http\\shell\\open"));
70 }
71
72 if ( key.Exists() )
73 {
74 wxRegKey keyDDE(key, wxT("DDEExec"));
75 if ( keyDDE.Exists() )
76 {
77 // we only know the syntax of WWW_OpenURL DDE request for IE,
78 // optimistically assume that all other browsers are compatible
79 // with it
80 static const wxChar *TOPIC_OPEN_URL = wxT("WWW_OpenURL");
81 wxString ddeCmd;
82 wxRegKey keyTopic(keyDDE, wxT("topic"));
83 bool ok = keyTopic.Exists() &&
84 keyTopic.QueryDefaultValue() == TOPIC_OPEN_URL;
85 if ( ok )
86 {
87 ddeCmd = keyDDE.QueryDefaultValue();
88 ok = !ddeCmd.empty();
89 }
90
91 if ( ok )
92 {
93 // for WWW_OpenURL, the index of the window to open the URL
94 // in may be -1 (meaning "current") by default, replace it
95 // with 0 which means "new" (see KB article 160957), but
96 // don't fail if there is no -1 as at least for recent
97 // Firefox versions the default value already is 0
98 ddeCmd.Replace(wxT("-1"), wxT("0"),
99 false /* only first occurrence */);
100
101 // and also replace the parameters: the topic should
102 // contain a placeholder for the URL and we should fail if
103 // we didn't find it as this would mean that we have no way
104 // of passing the URL to the browser
105 ok = ddeCmd.Replace(wxT("%1"), url, false) == 1;
106 }
107
108 if ( ok )
109 {
110 // try to send it the DDE request now but ignore the errors
111 wxLogNull noLog;
112
113 const wxString ddeServer = wxRegKey(keyDDE, wxT("application"));
114 if ( wxExecuteDDE(ddeServer, TOPIC_OPEN_URL, ddeCmd) )
115 return true;
116
117 // this is not necessarily an error: maybe browser is
118 // simply not running, but no matter, in any case we're
119 // going to launch it using ShellExecuteEx() below now and
120 // we shouldn't try to open a new window if we open a new
121 // browser anyhow
122 }
123 }
124 }
125 }
126 #endif // wxUSE_IPC
127
128 WinStruct<SHELLEXECUTEINFO> sei;
129 sei.lpFile = url.c_str();
130 sei.lpVerb = wxT("open");
131 sei.nShow = SW_SHOWNORMAL;
132 sei.fMask = SEE_MASK_FLAG_NO_UI; // we give error message ourselves
133
134 if ( ::ShellExecuteEx(&sei) )
135 return true;
136
137 return false;
138 }
139