/[pcsx2_0.9.7]/trunk/3rdparty/wxWidgets/src/common/filepickercmn.cpp
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Annotation of /trunk/3rdparty/wxWidgets/src/common/filepickercmn.cpp

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Revision 31 - (hide annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (10 years, 4 months ago) by william
File size: 7985 byte(s)
committing r3113 initial commit again...
1 william 31 ///////////////////////////////////////////////////////////////////////////////
2     // Name: src/common/filepickercmn.cpp
3     // Purpose: wxFilePickerCtrl class implementation
4     // Author: Francesco Montorsi (readapted code written by Vadim Zeitlin)
5     // Modified by:
6     // Created: 15/04/2006
7     // RCS-ID: $Id: filepickercmn.cpp 42219 2006-10-21 19:53:05Z PC $
8     // Copyright: (c) Vadim Zeitlin, Francesco Montorsi
9     // Licence: wxWindows licence
10     ///////////////////////////////////////////////////////////////////////////////
11    
12     // ============================================================================
13     // declarations
14     // ============================================================================
15    
16     // ----------------------------------------------------------------------------
17     // headers
18     // ----------------------------------------------------------------------------
19    
20     // For compilers that support precompilation, includes "wx.h".
21     #include "wx/wxprec.h"
22    
23     #ifdef __BORLANDC__
24     #pragma hdrstop
25     #endif
26    
27     #if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
28    
29     #include "wx/filepicker.h"
30     #include "wx/filename.h"
31    
32     #ifndef WX_PRECOMP
33     #include "wx/textctrl.h"
34     #endif
35    
36     // ============================================================================
37     // implementation
38     // ============================================================================
39    
40     const wxChar wxFilePickerCtrlNameStr[] = wxT("filepicker");
41     const wxChar wxFilePickerWidgetNameStr[] = wxT("filepickerwidget");
42     const wxChar wxDirPickerCtrlNameStr[] = wxT("dirpicker");
43     const wxChar wxDirPickerWidgetNameStr[] = wxT("dirpickerwidget");
44     const wxChar wxFilePickerWidgetLabel[] = wxT("Browse");
45     const wxChar wxDirPickerWidgetLabel[] = wxT("Browse");
46    
47     DEFINE_EVENT_TYPE(wxEVT_COMMAND_FILEPICKER_CHANGED)
48     DEFINE_EVENT_TYPE(wxEVT_COMMAND_DIRPICKER_CHANGED)
49     IMPLEMENT_DYNAMIC_CLASS(wxFileDirPickerEvent, wxCommandEvent)
50    
51     // ----------------------------------------------------------------------------
52     // wxFileDirPickerCtrlBase
53     // ----------------------------------------------------------------------------
54    
55     bool wxFileDirPickerCtrlBase::CreateBase(wxWindow *parent,
56     wxWindowID id,
57     const wxString &path,
58     const wxString &message,
59     const wxString &wildcard,
60     const wxPoint &pos,
61     const wxSize &size,
62     long style,
63     const wxValidator& validator,
64     const wxString &name )
65     {
66     wxASSERT_MSG(path.empty() || CheckPath(path), wxT("Invalid initial path!"));
67    
68     if (!wxPickerBase::CreateBase(parent, id, path, pos, size,
69     style, validator, name))
70     return false;
71    
72     if (!HasFlag(wxFLP_OPEN) && !HasFlag(wxFLP_SAVE))
73     m_windowStyle |= wxFLP_OPEN; // wxFD_OPEN is the default
74    
75     // check that the styles are not contradictory
76     wxASSERT_MSG( !(HasFlag(wxFLP_SAVE) && HasFlag(wxFLP_OPEN)),
77     _T("can't specify both wxFLP_SAVE and wxFLP_OPEN at once") );
78    
79     wxASSERT_MSG( !HasFlag(wxFLP_SAVE) || !HasFlag(wxFLP_FILE_MUST_EXIST),
80     _T("wxFLP_FILE_MUST_EXIST can't be used with wxFLP_SAVE" ) );
81    
82     wxASSERT_MSG( !HasFlag(wxFLP_OPEN) || !HasFlag(wxFLP_OVERWRITE_PROMPT),
83     _T("wxFLP_OVERWRITE_PROMPT can't be used with wxFLP_OPEN") );
84    
85     // create a wxFilePickerWidget or a wxDirPickerWidget...
86     m_pickerIface = CreatePicker(this, path, message, wildcard);
87     if ( !m_pickerIface )
88     return false;
89     m_picker = m_pickerIface->AsControl();
90    
91     // complete sizer creation
92     wxPickerBase::PostCreation();
93    
94     m_picker->Connect(GetEventType(),
95     wxFileDirPickerEventHandler(wxFileDirPickerCtrlBase::OnFileDirChange),
96     NULL, this);
97    
98     // default's wxPickerBase textctrl limit is too small for this control:
99     // make it bigger
100     if (m_text) m_text->SetMaxLength(512);
101    
102     return true;
103     }
104    
105     wxString wxFileDirPickerCtrlBase::GetPath() const
106     {
107     return m_pickerIface->GetPath();
108     }
109    
110     void wxFileDirPickerCtrlBase::SetPath(const wxString &path)
111     {
112     m_pickerIface->SetPath(path);
113     UpdateTextCtrlFromPicker();
114     }
115    
116     void wxFileDirPickerCtrlBase::UpdatePickerFromTextCtrl()
117     {
118     wxASSERT(m_text);
119    
120     if (m_bIgnoreNextTextCtrlUpdate)
121     {
122     // ignore this update
123     m_bIgnoreNextTextCtrlUpdate = false;
124     return;
125     }
126    
127     // remove the eventually present path-separator from the end of the textctrl
128     // string otherwise we would generate a wxFileDirPickerEvent when changing
129     // from e.g. /home/user to /home/user/ and we want to avoid it !
130     wxString newpath(GetTextCtrlValue());
131     if (!CheckPath(newpath))
132     return; // invalid user input
133    
134     if (m_pickerIface->GetPath() != newpath)
135     {
136     m_pickerIface->SetPath(newpath);
137    
138     // update current working directory, if necessary
139     // NOTE: the path separator is required because if newpath is "C:"
140     // then no change would happen
141     if (IsCwdToUpdate())
142     wxSetWorkingDirectory(newpath);
143    
144     // fire an event
145     wxFileDirPickerEvent event(GetEventType(), this, GetId(), newpath);
146     GetEventHandler()->ProcessEvent(event);
147     }
148     }
149    
150     void wxFileDirPickerCtrlBase::UpdateTextCtrlFromPicker()
151     {
152     if (!m_text)
153     return; // no textctrl to update
154    
155     // NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED
156     // which will trigger a unneeded UpdateFromTextCtrl(); thus before using
157     // SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag...
158     m_bIgnoreNextTextCtrlUpdate = true;
159     m_text->SetValue(m_pickerIface->GetPath());
160     }
161    
162    
163    
164     // ----------------------------------------------------------------------------
165     // wxFileDirPickerCtrlBase - event handlers
166     // ----------------------------------------------------------------------------
167    
168     void wxFileDirPickerCtrlBase::OnFileDirChange(wxFileDirPickerEvent &ev)
169     {
170     UpdateTextCtrlFromPicker();
171    
172     // the wxFilePickerWidget sent us a colour-change notification.
173     // forward this event to our parent
174     wxFileDirPickerEvent event(GetEventType(), this, GetId(), ev.GetPath());
175     GetEventHandler()->ProcessEvent(event);
176     }
177    
178     #endif // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
179    
180     // ----------------------------------------------------------------------------
181     // wxFileDirPickerCtrl
182     // ----------------------------------------------------------------------------
183    
184     #if wxUSE_FILEPICKERCTRL
185    
186     IMPLEMENT_DYNAMIC_CLASS(wxFilePickerCtrl, wxPickerBase)
187    
188     bool wxFilePickerCtrl::CheckPath(const wxString& path) const
189     {
190     // if wxFLP_SAVE was given or wxFLP_FILE_MUST_EXIST has NOT been given we
191     // must accept any path
192     return HasFlag(wxFLP_SAVE) ||
193     !HasFlag(wxFLP_FILE_MUST_EXIST) ||
194     wxFileName::FileExists(path);
195     }
196    
197     wxString wxFilePickerCtrl::GetTextCtrlValue() const
198     {
199     // filter it through wxFileName to remove any spurious path separator
200     return wxFileName(m_text->GetValue()).GetFullPath();
201     }
202    
203     #endif // wxUSE_FILEPICKERCTRL
204    
205     // ----------------------------------------------------------------------------
206     // wxDirPickerCtrl
207     // ----------------------------------------------------------------------------
208    
209     #if wxUSE_DIRPICKERCTRL
210     IMPLEMENT_DYNAMIC_CLASS(wxDirPickerCtrl, wxPickerBase)
211    
212     bool wxDirPickerCtrl::CheckPath(const wxString& path) const
213     {
214     // if wxDIRP_DIR_MUST_EXIST has NOT been given we must accept any path
215     return !HasFlag(wxDIRP_DIR_MUST_EXIST) || wxFileName::DirExists(path);
216     }
217    
218     wxString wxDirPickerCtrl::GetTextCtrlValue() const
219     {
220     // filter it through wxFileName to remove any spurious path separator
221     return wxFileName::DirName(m_text->GetValue()).GetPath();
222     }
223    
224     #endif // wxUSE_DIRPICKERCTRL

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