]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/dirctrlg.cpp
prevent memory leak
[wxWidgets.git] / src / generic / dirctrlg.cpp
index fc98942d444f47600ffa1e633e8168b00fa46ef1..b0f677fdff1f9c1599d2910844fda6f5eecb1710 100644 (file)
     #include "wx/button.h"
     #include "wx/icon.h"
     #include "wx/settings.h"
+    #include "wx/msgdlg.h"
+    #include "wx/cmndata.h"
+    #include "wx/choice.h"
+    #include "wx/textctrl.h"
+    #include "wx/layout.h"
+    #include "wx/sizer.h"
+    #include "wx/textdlg.h"
+    #include "wx/gdicmn.h"
+    #include "wx/image.h"
+    #include "wx/module.h"
 #endif
 
-#include "wx/module.h"
-#include "wx/layout.h"
-#include "wx/msgdlg.h"
-#include "wx/textctrl.h"
-#include "wx/textdlg.h"
 #include "wx/filefn.h"
-#include "wx/cmndata.h"
-#include "wx/gdicmn.h"
 #include "wx/imaglist.h"
-#include "wx/sizer.h"
 #include "wx/tokenzr.h"
 #include "wx/dir.h"
 #include "wx/artprov.h"
 #include "wx/mimetype.h"
-#include "wx/image.h"
-#include "wx/choice.h"
 
 #if wxUSE_STATLINE
     #include "wx/statline.h"
@@ -58,6 +58,7 @@
 #ifdef __WXMSW__
 #include <windows.h>
 #include "wx/msw/winundef.h"
+#include "wx/volume.h"
 
 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
 //         older releases don't, but it should be verified and the checks modified
 #endif
 
 #if defined(__OS2__) || defined(__DOS__)
-  #ifdef __OS2__
-    #define INCL_BASE
-    #include <os2.h>
-    #ifndef __EMX__
-      #include <direct.h>
+    #ifdef __OS2__
+        #define INCL_BASE
+        #include <os2.h>
+        #ifndef __EMX__
+            #include <direct.h>
+        #endif
+        #include <stdlib.h>
+        #include <ctype.h>
     #endif
-    #include <stdlib.h>
-    #include <ctype.h>
-  #endif
-  extern bool wxIsDriveAvailable(const wxString& dirName);
 #endif // __OS2__
 
 #if defined(__WXMAC__)
-    #include "MoreFilesX.h"
+//    #include "MoreFilesX.h"
 #endif
 
 #ifdef __BORLANDC__
     #include "dos.h"
 #endif
 
+extern WXDLLEXPORT_DATA(const char) wxFileSelectorDefaultWildcardStr[];
+
 // If compiled under Windows, this macro can cause problems
 #ifdef GetFirstChild
 #undef GetFirstChild
 #endif
 
+bool wxIsDriveAvailable(const wxString& dirName);
+
 // ----------------------------------------------------------------------------
 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 // ----------------------------------------------------------------------------
@@ -111,54 +115,42 @@ size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayI
     paths.Add(wxT("\\"));
     names.Add(wxT("\\"));
     icon_ids.Add(wxFileIconsTable::computer);
-#elif defined(__WIN32__)
-    wxChar driveBuffer[256];
-    size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
-    size_t i = 0;
-    while (i < n)
-    {
-        wxString path, name;
-        path.Printf(wxT("%c:\\"), driveBuffer[i]);
-        name.Printf(wxT("%c:"), driveBuffer[i]);
-
-#if !defined(__WXWINCE__)
-        wxChar pname[52]; // FIXME: why 52 and not MAX_PATH or whatever?
-        if ( GetVolumeInformation(path, pname, WXSIZEOF(pname),
-                                  NULL, NULL, NULL, NULL, 0) )
-        {
-            name << _T(' ') << pname;
-        }
-#endif // __WXWINCE__
+#elif defined(__WIN32__) && wxUSE_FSVOLUME
+    // TODO: this code (using wxFSVolumeBase) should be used for all platforms
+    //       but unfortunately wxFSVolumeBase is not implemented everywhere
+    const wxArrayString as = wxFSVolumeBase::GetVolumes();
 
+    for (size_t i = 0; i < as.GetCount(); i++)
+    {
+        wxString path = as[i];
+        wxFSVolume vol(path);
         int imageId;
-        int driveType = ::GetDriveType(path);
-        switch (driveType)
+        switch (vol.GetKind())
         {
-            case DRIVE_REMOVABLE:
-                if (path == wxT("a:\\") || path == wxT("b:\\"))
+            case wxFS_VOL_FLOPPY:
+                if ( (path == wxT("a:\\")) || (path == wxT("b:\\")) )
                     imageId = wxFileIconsTable::floppy;
                 else
                     imageId = wxFileIconsTable::removeable;
                 break;
-            case DRIVE_CDROM:
+            case wxFS_VOL_DVDROM:
+            case wxFS_VOL_CDROM:
                 imageId = wxFileIconsTable::cdrom;
                 break;
-            case DRIVE_REMOTE:
-            case DRIVE_FIXED:
+            case wxFS_VOL_NETWORK:
+                if (path[0] == wxT('\\'))
+                    continue; // skip "\\computer\folder"
+                imageId = wxFileIconsTable::drive;
+                break;
+            case wxFS_VOL_DISK:
+            case wxFS_VOL_OTHER:
             default:
                 imageId = wxFileIconsTable::drive;
                 break;
         }
-
         paths.Add(path);
-        names.Add(name);
+        names.Add(vol.GetDisplayName());
         icon_ids.Add(imageId);
-
-        while (driveBuffer[i] != wxT('\0'))
-            i ++;
-        i ++;
-        if (driveBuffer[i] == wxT('\0'))
-            break;
     }
 #elif defined(__OS2__)
     APIRET rc;
@@ -259,7 +251,7 @@ size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayI
         }
     }
 
-#elif defined(__UNIX__)
+#elif defined(__UNIX__) || defined(__WXPALMOS__)
     paths.Add(wxT("/"));
     names.Add(wxT("/"));
     icon_ids.Add(wxFileIconsTable::computer);
@@ -283,7 +275,7 @@ bool wxIsDriveAvailable(const wxString& dirName)
 #ifdef __WATCOMC__
     wxUnusedVar(dirName);
 #else
-    if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
+    if ( dirName.length() == 3 && dirName[1u] == wxT(':') )
     {
         wxString dirNameLower(dirName.Lower());
         // VS: always return true for removable media, since Win95 doesn't
@@ -343,7 +335,7 @@ bool wxIsDriveAvailable(const wxString& WXUNUSED_IN_WINCE(dirName))
 
     // Check if this is a root directory and if so,
     // whether the drive is available.
-    if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
+    if (dirName.length() == 3 && dirName[(size_t)1] == wxT(':'))
     {
         wxString dirNameLower(dirName.Lower());
 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
@@ -480,7 +472,6 @@ wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
     wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
     wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
     wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
-    wxFLAGS_MEMBER(wxDIRCTRL_SHOW_FILTERS)
 
 wxEND_FLAGS( wxGenericDirCtrlStyle )
 
@@ -550,6 +541,7 @@ bool wxGenericDirCtrl::Create(wxWindow *parent,
         return false;
 
     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
+    SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 
     Init();
 
@@ -570,30 +562,18 @@ bool wxGenericDirCtrl::Create(wxWindow *parent,
 
     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
         treeStyle |= wxNO_BORDER;
-    else
-        treeStyle |= wxBORDER_SUNKEN;
-
-    long filterStyle = 0;
-    if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
-        filterStyle |= wxNO_BORDER;
-    else
-        filterStyle |= wxBORDER_SUNKEN;
 
     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
                                 wxPoint(0,0), GetClientSize(), treeStyle);
 
-    if (!filter.empty() && (style & wxDIRCTRL_SHOW_FILTERS))
-        m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
+    if (!filter.empty())
+        m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
 
     m_defaultPath = dir;
     m_filter = filter;
 
     if (m_filter.empty())
-#ifdef __UNIX__
-        m_filter = wxT("*");
-#else
-        m_filter = wxT("*.*");
-#endif
+        m_filter = wxFileSelectorDefaultWildcardStr;
 
     SetFilterIndex(defaultFilter);
 
@@ -618,7 +598,7 @@ bool wxGenericDirCtrl::Create(wxWindow *parent,
 
     ExpandRoot();
 
-    SetBestSize(size);
+    SetInitialSize(size);
     DoResize();
 
     return true;
@@ -644,6 +624,9 @@ wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, co
 
 void wxGenericDirCtrl::ShowHidden( bool show )
 {
+    if ( m_showHidden == show )
+        return;
+
     m_showHidden = show;
 
     wxString path = GetPath();
@@ -681,6 +664,14 @@ void wxGenericDirCtrl::SetupSections()
         AddSection(paths[n], names[n], icons[n]);
 }
 
+void wxGenericDirCtrl::SetFocus()
+{
+    // we don't need focus ourselves, give it to the tree so that the user
+    // could navigate it
+    if (m_treeCtrl)
+        m_treeCtrl->SetFocus();
+}
+
 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 {
     // don't rename the main entry "Sections"
@@ -704,8 +695,8 @@ void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
         return;
 
     if ((event.GetLabel().empty()) ||
-        (event.GetLabel() == _(".")) ||
-        (event.GetLabel() == _("..")) ||
+        (event.GetLabel() == wxT(".")) ||
+        (event.GetLabel() == wxT("..")) ||
         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
@@ -757,6 +748,10 @@ void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
         m_rootId = m_treeCtrl->GetRootItem();
 
     ExpandDir(parentId);
+    if ( m_treeCtrl->GetChildrenCount(parentId, false) == 0 )
+    {
+        m_treeCtrl->SetItemHasChildren(parentId, false);
+    }
 }
 
 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
@@ -856,7 +851,7 @@ void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
     dirs.Sort(wxDirCtrlStringCompareFunction);
 
     // Now do the filenames -- but only if we're allowed to
-    if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
+    if (!HasFlag(wxDIRCTRL_DIR_ONLY))
     {
         d.Open(dirName);
 
@@ -889,7 +884,7 @@ void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 
     // Add the sorted dirs
     size_t i;
-    for (i = 0; i < dirs.Count(); i++)
+    for (i = 0; i < dirs.GetCount(); i++)
     {
         eachFilename = dirs[i];
         path = dirName;
@@ -903,22 +898,18 @@ void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
                                   wxTreeItemIcon_Expanded );
 
-        // Has this got any children? If so, make it expandable.
-        // (There are two situations when a dir has children: either it
-        // has subdirectories or it contains files that weren't filtered
-        // out. The latter only applies to dirctrl with files.)
-        if ( dir_item->HasSubDirs() ||
-             (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
-               dir_item->HasFiles(m_currentFilterStr)) )
-        {
-            m_treeCtrl->SetItemHasChildren(id);
-        }
+        // assume that it does have children by default as it can take a long
+        // time to really check for this (think remote drives...)
+        //
+        // and if we're wrong, we'll correct it later in OnExpandItem() if
+        // the user really tries to open this item
+        m_treeCtrl->SetItemHasChildren(id);
     }
 
     // Add the sorted filenames
-    if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
+    if (!HasFlag(wxDIRCTRL_DIR_ONLY))
     {
-        for (i = 0; i < filenames.Count(); i++)
+        for (i = 0; i < filenames.GetCount(); i++)
         {
             eachFilename = filenames[i];
             path = dirName;
@@ -988,12 +979,12 @@ wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString&
             childPath.MakeLower();
 #endif
 
-            if (childPath.Len() <= path2.Len())
+            if (childPath.length() <= path2.length())
             {
-                wxString path3 = path2.Mid(0, childPath.Len());
+                wxString path3 = path2.Mid(0, childPath.length());
                 if (childPath == path3)
                 {
-                    if (path3.Len() == path2.Len())
+                    if (path3.length() == path2.length())
                         done = true;
                     else
                         done = false;
@@ -1031,7 +1022,7 @@ bool wxGenericDirCtrl::ExpandPath(const wxString& path)
     {
         m_treeCtrl->Expand(lastId);
     }
-    if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
+    if (HasFlag(wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
     {
         // Find the first file in this directory
         wxTreeItemIdValue cookie;
@@ -1065,6 +1056,33 @@ bool wxGenericDirCtrl::ExpandPath(const wxString& path)
     return true;
 }
 
+
+bool wxGenericDirCtrl::CollapsePath(const wxString& path)
+{
+    bool done           = false;
+    wxTreeItemId id     = FindChild(m_rootId, path, done);
+    wxTreeItemId lastId = id; // The last non-zero id
+
+    while ( id.IsOk() && !done )
+    {
+        CollapseDir(id);
+
+        id = FindChild(id, path, done);
+
+        if ( id.IsOk() )
+            lastId = id;
+    }
+
+    if ( !lastId.IsOk() )
+        return false;
+
+    m_treeCtrl->SelectItem(lastId);
+    m_treeCtrl->EnsureVisible(lastId);
+
+    return true;
+}
+
+
 wxString wxGenericDirCtrl::GetPath() const
 {
     wxTreeItemId id = m_treeCtrl->GetSelection();
@@ -1161,6 +1179,14 @@ void wxGenericDirCtrl::SetFilter(const wxString& filter)
 {
     m_filter = filter;
 
+    if (!filter.empty() && !m_filterListCtrl)
+        m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
+    else if (filter.empty() && m_filterListCtrl)
+    {
+        m_filterListCtrl->Destroy();
+        m_filterListCtrl = NULL;
+    }
+
     wxString f, d;
     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
         m_currentFilterStr = f;
@@ -1170,6 +1196,10 @@ void wxGenericDirCtrl::SetFilter(const wxString& filter)
 #else
         m_currentFilterStr = wxT("*.*");
 #endif
+    // current filter index is meaningless after filter change, set it to zero
+    SetFilterIndex(0);
+    if (m_filterListCtrl)
+        m_filterListCtrl->FillFilterList(m_filter, 0);
 }
 
 // Extract description and actual filter from overall filter string
@@ -1187,15 +1217,6 @@ bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxStrin
     return false;
 }
 
-#if WXWIN_COMPATIBILITY_2_4
-// Parses the global filter, returning the number of filters.
-// Returns 0 if none or if there's a problem.
-// filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
-int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
-{
-    return wxParseCommonDialogsFilter(filterStr, descriptions, filters );
-}
-#endif // WXWIN_COMPATIBILITY_2_4
 
 void wxGenericDirCtrl::DoResize()
 {
@@ -1255,12 +1276,21 @@ BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
 END_EVENT_TABLE()
 
-bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
-              const wxPoint& pos,
-              const wxSize& size,
-              long style)
+bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent,
+                                 const wxWindowID id,
+                                 const wxPoint& pos,
+                                 const wxSize& size,
+                                 long style)
 {
     m_dirCtrl = parent;
+
+    // by default our border style is determined by the style of our parent
+    if ( !(style & wxBORDER_MASK) )
+    {
+        style |= parent->HasFlag(wxDIRCTRL_3D_INTERNAL) ? wxBORDER_SUNKEN
+                                                        : wxBORDER_NONE;
+    }
+
     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
 }
 
@@ -1306,7 +1336,7 @@ void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilt
 // wxFileIconsTable icons
 // ----------------------------------------------------------------------------
 
-#ifndef __WXGTK24__
+#ifndef __WXGTK20__
 /* Computer (c) Julian Smart */
 static const char * file_icons_tbl_computer_xpm[] = {
 /* columns rows colors chars-per-pixel */
@@ -1371,7 +1401,7 @@ static const char * file_icons_tbl_computer_xpm[] = {
 " dfffffffffffffd",
 "                "
 };
-#endif // GTK+ < 2.4
+#endif // !GTK+ 2
 
 // ----------------------------------------------------------------------------
 // wxFileIconsTable & friends
@@ -1440,7 +1470,7 @@ void wxFileIconsTable::Create()
                                                    wxART_CMN_DIALOG,
                                                    wxSize(16, 16)));
     // computer
-#ifdef __WXGTK24__
+#ifdef __WXGTK20__
     // GTK24 uses this icon in the file open dialog
     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
                                                    wxART_CMN_DIALOG,