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e624f5ba66250b2139b1ab504cdf2d4794165d6d
wxWidgets/src/generic/dirctrlg.cpp
Václav Slavík e624f5ba66 compilation fix 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20170 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2003-04-12 18:38:30 +00:00

1566 lines
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/////////////////////////////////////////////////////////////////////////////
// Name: dirctrlg.cpp
// Purpose: wxGenericDirCtrl
// Author: Harm van der Heijden, Robert Roebling, Julian Smart
// Modified by:
// Created: 12/12/98
// RCS-ID: $Id$
// Copyright: (c) Harm van der Heijden, Robert Roebling and Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "dirctrlg.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_DIRDLG
#include "wx/generic/dirctrlg.h"
#include "wx/module.h"
#include "wx/utils.h"
#include "wx/button.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/intl.h"
#include "wx/imaglist.h"
#include "wx/icon.h"
#include "wx/log.h"
#include "wx/sizer.h"
#include "wx/tokenzr.h"
#include "wx/dir.h"
#include "wx/settings.h"
#include "wx/artprov.h"
#include "wx/hash.h"
#include "wx/mimetype.h"
#include "wx/image.h"
#include "wx/choice.h"
#if wxUSE_STATLINE
#include "wx/statline.h"
#endif
#if defined(__WXMAC__)
#include "wx/mac/private.h" // includes mac headers
#endif
#ifdef __WXMSW__
#include <windows.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
// accordingly.
#if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
#include <direct.h>
#include <stdlib.h>
#include <ctype.h>
#endif
#endif
#ifdef __WXPM__
#define INCL_BASE
#include <os2.h>
#ifndef __EMX__
#include <direct.h>
#endif
#include <stdlib.h>
#include <ctype.h>
#endif // __WXPM__
#if defined(__WXMAC__)
# ifdef __DARWIN__
# include "MoreFilesX.h"
# else
# include "MoreFilesExtras.h"
# endif
#endif
#ifdef __BORLANDC__
#include "dos.h"
#endif
// If compiled under Windows, this macro can cause problems
#ifdef GetFirstChild
#undef GetFirstChild
#endif
// ----------------------------------------------------------------------------
// wxGetAvailableDrives, for WINDOWS, DOS, WXPM, MAC, UNIX (returns "/")
// ----------------------------------------------------------------------------
size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
{
#if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
#ifdef __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]);
int imageId = wxFileIconsTable::drive;
int driveType = ::GetDriveType(path);
switch (driveType)
{
case DRIVE_REMOVABLE:
if (path == wxT("a:\\") || path == wxT("b:\\"))
imageId = wxFileIconsTable::floppy;
else
imageId = wxFileIconsTable::removeable;
break;
case DRIVE_CDROM:
imageId = wxFileIconsTable::cdrom;
break;
case DRIVE_REMOTE:
case DRIVE_FIXED:
default:
imageId = wxFileIconsTable::drive;
break;
}
paths.Add(path);
names.Add(name);
icon_ids.Add(imageId);
while (driveBuffer[i] != wxT('\0'))
i ++;
i ++;
if (driveBuffer[i] == wxT('\0'))
break;
}
#else // !__WIN32__
int drive;
/* If we can switch to the drive, it exists. */
for( drive = 1; drive <= 26; drive++ )
{
wxString path, name;
path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
if (wxIsDriveAvailable(path))
{
paths.Add(path);
names.Add(name);
icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
}
}
#endif // __WIN32__/!__WIN32__
#elif defined(__WXMAC__)
#ifdef __DARWIN__
FSRef **theVolRefs;
ItemCount theVolCount;
char thePath[FILENAME_MAX];
if (FSGetMountedVolumes(&theVolRefs, &theVolCount) == noErr) {
ItemCount index;
::HLock( (Handle)theVolRefs ) ;
for (index = 0; index < theVolCount; ++index) {
// get the POSIX path associated with the FSRef
if ( FSRefMakePath(&((*theVolRefs)[index]),
(UInt8 *)thePath, sizeof(thePath)) != noErr ) {
continue;
}
// add path separator at end if necessary
wxString path( thePath ) ;
if (path.Last() != wxFILE_SEP_PATH) {
path += wxFILE_SEP_PATH;
}
// get Mac volume name for display
FSVolumeRefNum vRefNum ;
HFSUniStr255 volumeName ;
if ( FSGetVRefNum(&((*theVolRefs)[index]), &vRefNum) != noErr ) {
continue;
}
if ( FSGetVInfo(vRefNum, &volumeName, NULL, NULL) != noErr ) {
continue;
}
// get C string from Unicode HFS name
// see: http://developer.apple.com/carbon/tipsandtricks.html
CFStringRef cfstr = CFStringCreateWithCharacters( kCFAllocatorDefault,
volumeName.unicode,
volumeName.length );
// Do something with str
char *cstr = NewPtr(CFStringGetLength(cfstr) + 1);
if (( cstr == NULL ) ||
!CFStringGetCString(cfstr, cstr, CFStringGetLength(cfstr) + 1,
kCFStringEncodingMacRoman))
{
CFRelease( cstr );
continue;
}
wxString name( cstr );
DisposePtr( cstr );
CFRelease( cfstr );
GetVolParmsInfoBuffer volParmsInfo;
UInt32 actualSize;
if ( FSGetVolParms(vRefNum, sizeof(volParmsInfo), &volParmsInfo, &actualSize) != noErr ) {
continue;
}
paths.Add(path);
names.Add(name);
if ( VolIsEjectable(&volParmsInfo) )
icon_ids.Add(wxFileIconsTable::cdrom);
else
icon_ids.Add(wxFileIconsTable::drive);
}
::HUnlock( (Handle)theVolRefs );
::DisposeHandle( (Handle)theVolRefs );
}
#else // !__DARWIN__
FSSpec volume;
short index = 1;
while(1)
{
short actualCount = 0 ;
if (OnLine(&volume, 1, &actualCount, &index ) != noErr || actualCount==0)
{
break;
}
wxString name = wxMacFSSpec2MacFilename( &volume );
paths.Add(name + wxFILE_SEP_PATH);
names.Add(name);
icon_ids.Add(wxFileIconsTable::drive);
}
#endif // __DARWIN__
#elif defined(__UNIX__)
paths.Add(wxT("/"));
names.Add(wxT("/"));
icon_ids.Add(wxFileIconsTable::computer);
#else
#error "Unsupported platform in wxGenericDirCtrl!"
#endif
return paths.GetCount();
}
// ----------------------------------------------------------------------------
// wxIsDriveAvailable
// ----------------------------------------------------------------------------
#if defined(__DOS__)
bool wxIsDriveAvailable(const wxString& dirName)
{
// FIXME_MGL - this method leads to hang up under Watcom for some reason
#ifndef __WATCOMC__
if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
{
wxString dirNameLower(dirName.Lower());
// VS: always return TRUE for removable media, since Win95 doesn't
// like it when MS-DOS app accesses empty floppy drive
return (dirNameLower[0u] == wxT('a') ||
dirNameLower[0u] == wxT('b') ||
wxPathExists(dirNameLower));
}
else
#endif
return TRUE;
}
#elif defined(__WINDOWS__) || defined(__WXPM__)
int setdrive(int drive)
{
#if defined(__GNUWIN32__) && \
(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
return _chdrive(drive);
#else
wxChar newdrive[3];
if (drive < 1 || drive > 31)
return -1;
newdrive[0] = (wxChar)(wxT('A') + drive - 1);
newdrive[1] = wxT(':');
newdrive[2] = wxT('\0');
#if defined(__WXMSW__)
#ifdef __WIN16__
if (wxSetWorkingDirectory(newdrive))
#else
if (::SetCurrentDirectory(newdrive))
#endif
#else
// VA doesn't know what LPSTR is and has its own set
if (DosSetCurrentDir((PSZ)newdrive))
#endif
return 0;
else
return -1;
#endif // !GNUWIN32
}
bool wxIsDriveAvailable(const wxString& dirName)
{
#ifdef __WIN32__
UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
#endif
bool success = TRUE;
// Check if this is a root directory and if so,
// whether the drive is available.
if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
{
wxString dirNameLower(dirName.Lower());
#if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
success = wxPathExists(dirNameLower);
#else
int currentDrive = _getdrive();
int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
int err = setdrive( thisDrive ) ;
setdrive( currentDrive );
if (err == -1)
{
success = FALSE;
}
#endif
}
#ifdef __WIN32__
(void) SetErrorMode(errorMode);
#endif
return success;
}
#endif // __WINDOWS__ || __WXPM__
// Function which is called by quick sort. We want to override the default wxArrayString behaviour,
// and sort regardless of case.
static int LINKAGEMODE wxDirCtrlStringCompareFunction(const void *first, const void *second)
{
wxString *strFirst = (wxString *)first;
wxString *strSecond = (wxString *)second;
return strFirst->CmpNoCase(*strSecond);
}
//-----------------------------------------------------------------------------
// wxDirItemData
//-----------------------------------------------------------------------------
wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
bool isDir)
{
m_path = path;
m_name = name;
/* Insert logic to detect hidden files here
* In UnixLand we just check whether the first char is a dot
* For FileNameFromPath read LastDirNameInThisPath ;-) */
// m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
m_isHidden = FALSE;
m_isExpanded = FALSE;
m_isDir = isDir;
}
wxDirItemData::~wxDirItemData()
{
}
void wxDirItemData::SetNewDirName(const wxString& path)
{
m_path = path;
m_name = wxFileNameFromPath(path);
}
bool wxDirItemData::HasSubDirs() const
{
if (m_path.IsEmpty())
return FALSE;
wxDir dir;
{
wxLogNull nolog;
if ( !dir.Open(m_path) )
return FALSE;
}
return dir.HasSubDirs();
}
bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
{
if (m_path.IsEmpty())
return FALSE;
wxDir dir;
{
wxLogNull nolog;
if ( !dir.Open(m_path) )
return FALSE;
}
return dir.HasFiles();
}
//-----------------------------------------------------------------------------
// wxGenericDirCtrl
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
EVT_TREE_ITEM_EXPANDING (-1, wxGenericDirCtrl::OnExpandItem)
EVT_TREE_ITEM_COLLAPSED (-1, wxGenericDirCtrl::OnCollapseItem)
EVT_TREE_BEGIN_LABEL_EDIT (-1, wxGenericDirCtrl::OnBeginEditItem)
EVT_TREE_END_LABEL_EDIT (-1, wxGenericDirCtrl::OnEndEditItem)
EVT_SIZE (wxGenericDirCtrl::OnSize)
END_EVENT_TABLE()
wxGenericDirCtrl::wxGenericDirCtrl(void)
{
Init();
}
bool wxGenericDirCtrl::Create(wxWindow *parent,
const wxWindowID id,
const wxString& dir,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& filter,
int defaultFilter,
const wxString& name)
{
if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
return FALSE;
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
Init();
long treeStyle = wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT;
if (style & wxDIRCTRL_EDIT_LABELS)
treeStyle |= wxTR_EDIT_LABELS;
if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
treeStyle |= wxNO_BORDER;
long filterStyle = 0;
if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
filterStyle |= wxNO_BORDER;
m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
m_defaultPath = dir;
m_filter = filter;
SetFilterIndex(defaultFilter);
if (m_filterListCtrl)
m_filterListCtrl->FillFilterList(filter, defaultFilter);
m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
m_showHidden = FALSE;
wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
wxString rootName;
#if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
rootName = _("Computer");
#else
rootName = _("Sections");
#endif
m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
m_treeCtrl->SetItemHasChildren(m_rootId);
ExpandDir(m_rootId); // automatically expand first level
// Expand and select the default path
if (!m_defaultPath.IsEmpty())
ExpandPath(m_defaultPath);
DoResize();
return TRUE;
}
wxGenericDirCtrl::~wxGenericDirCtrl()
{
}
void wxGenericDirCtrl::Init()
{
m_showHidden = FALSE;
m_currentFilter = 0;
m_currentFilterStr = wxEmptyString; // Default: any file
m_treeCtrl = NULL;
m_filterListCtrl = NULL;
}
void wxGenericDirCtrl::ShowHidden( bool show )
{
m_showHidden = show;
wxString path = GetPath();
ReCreateTree();
SetPath(path);
}
void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
{
wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
m_treeCtrl->SetItemHasChildren(id);
}
void wxGenericDirCtrl::SetupSections()
{
wxArrayString paths, names;
wxArrayInt icons;
size_t n, count = wxGetAvailableDrives(paths, names, icons);
for (n = 0; n < count; n++)
{
AddSection(paths[n], names[n], icons[n]);
}
}
void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
{
// don't rename the main entry "Sections"
if (event.GetItem() == m_rootId)
{
event.Veto();
return;
}
// don't rename the individual sections
if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
{
event.Veto();
return;
}
}
void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
{
if ((event.GetLabel().IsEmpty()) ||
(event.GetLabel() == _(".")) ||
(event.GetLabel() == _("..")) ||
(event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
(event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
(event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
{
wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
dialog.ShowModal();
event.Veto();
return;
}
wxTreeItemId id = event.GetItem();
wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
wxASSERT( data );
wxString new_name( wxPathOnly( data->m_path ) );
new_name += wxString(wxFILE_SEP_PATH);
new_name += event.GetLabel();
wxLogNull log;
if (wxFileExists(new_name))
{
wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
dialog.ShowModal();
event.Veto();
}
if (wxRenameFile(data->m_path,new_name))
{
data->SetNewDirName( new_name );
}
else
{
wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
dialog.ShowModal();
event.Veto();
}
}
void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
{
wxTreeItemId parentId = event.GetItem();
// VS: this is needed because the event handler is called from wxTreeCtrl
// ctor when wxTR_HIDE_ROOT was specified
if (m_rootId == 0)
m_rootId = m_treeCtrl->GetRootItem();
ExpandDir(parentId);
}
void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
{
CollapseDir(event.GetItem());
}
void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
{
wxTreeItemId child;
wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
if (!data->m_isExpanded)
return;
data->m_isExpanded = FALSE;
long cookie;
/* Workaround because DeleteChildren has disapeared (why?) and
* CollapseAndReset doesn't work as advertised (deletes parent too) */
child = m_treeCtrl->GetFirstChild(parentId, cookie);
while (child.IsOk())
{
m_treeCtrl->Delete(child);
/* Not GetNextChild below, because the cookie mechanism can't
* handle disappearing children! */
child = m_treeCtrl->GetFirstChild(parentId, cookie);
}
}
void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
{
wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
if (data->m_isExpanded)
return;
data->m_isExpanded = TRUE;
if (parentId == m_treeCtrl->GetRootItem())
{
SetupSections();
return;
}
wxASSERT(data);
wxString search,path,filename;
wxString dirName(data->m_path);
#if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
// Check if this is a root directory and if so,
// whether the drive is avaiable.
if (!wxIsDriveAvailable(dirName))
{
data->m_isExpanded = FALSE;
//wxMessageBox(wxT("Sorry, this drive is not available."));
return;
}
#endif
// This may take a longish time. Go to busy cursor
wxBusyCursor busy;
#if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
if (dirName.Last() == ':')
dirName += wxString(wxFILE_SEP_PATH);
#endif
wxArrayString dirs;
wxArrayString filenames;
wxDir d;
wxString eachFilename;
wxLogNull log;
d.Open(dirName);
if (d.IsOpened())
{
int style = wxDIR_DIRS;
if (m_showHidden) style |= wxDIR_HIDDEN;
if (d.GetFirst(& eachFilename, wxEmptyString, style))
{
do
{
if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
{
dirs.Add(eachFilename);
}
}
while (d.GetNext(& eachFilename));
}
}
dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
// Now do the filenames -- but only if we're allowed to
if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
{
wxLogNull log;
d.Open(dirName);
if (d.IsOpened())
{
if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
{
do
{
if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
{
filenames.Add(eachFilename);
}
}
while (d.GetNext(& eachFilename));
}
}
filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
}
// Add the sorted dirs
size_t i;
for (i = 0; i < dirs.Count(); i++)
{
wxString eachFilename(dirs[i]);
path = dirName;
if (!wxEndsWithPathSeparator(path))
path += wxString(wxFILE_SEP_PATH);
path += eachFilename;
wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename,
wxFileIconsTable::folder, -1, dir_item);
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);
}
}
// Add the sorted filenames
if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
{
for (i = 0; i < filenames.Count(); i++)
{
wxString eachFilename(filenames[i]);
path = dirName;
if (!wxEndsWithPathSeparator(path))
path += wxString(wxFILE_SEP_PATH);
path += eachFilename;
//path = dirName + wxString(wxT("/")) + eachFilename;
wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
int image_id = wxFileIconsTable::file;
if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
(void)m_treeCtrl->AppendItem( parentId, eachFilename, image_id, -1, dir_item);
}
}
}
void wxGenericDirCtrl::ReCreateTree()
{
CollapseDir(m_treeCtrl->GetRootItem());
ExpandDir(m_treeCtrl->GetRootItem());
}
// Find the child that matches the first part of 'path'.
// E.g. if a child path is "/usr" and 'path' is "/usr/include"
// then the child for /usr is returned.
wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
{
wxString path2(path);
// Make sure all separators are as per the current platform
path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
// Append a separator to foil bogus substring matching
path2 += wxString(wxFILE_SEP_PATH);
// In MSW or PM, case is not significant
#if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
path2.MakeLower();
#endif
long cookie;
wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
while (childId.IsOk())
{
wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
if (data && !data->m_path.IsEmpty())
{
wxString childPath(data->m_path);
if (!wxEndsWithPathSeparator(childPath))
childPath += wxString(wxFILE_SEP_PATH);
// In MSW and PM, case is not significant
#if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
childPath.MakeLower();
#endif
if (childPath.Len() <= path2.Len())
{
wxString path3 = path2.Mid(0, childPath.Len());
if (childPath == path3)
{
if (path3.Len() == path2.Len())
done = TRUE;
else
done = FALSE;
return childId;
}
}
}
childId = m_treeCtrl->GetNextChild(parentId, cookie);
}
wxTreeItemId invalid;
return invalid;
}
// Try to expand as much of the given path as possible,
// and select the given tree item.
bool wxGenericDirCtrl::ExpandPath(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)
{
ExpandDir(id);
id = FindChild(id, path, done);
if (id.IsOk())
lastId = id;
}
if (lastId.IsOk())
{
wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
if (data->m_isDir)
{
m_treeCtrl->Expand(lastId);
}
if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
{
// Find the first file in this directory
long cookie;
wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
bool selectedChild = FALSE;
while (childId.IsOk())
{
wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
if (data && data->m_path != wxT("") && !data->m_isDir)
{
m_treeCtrl->SelectItem(childId);
m_treeCtrl->EnsureVisible(childId);
selectedChild = TRUE;
break;
}
childId = m_treeCtrl->GetNextChild(lastId, cookie);
}
if (!selectedChild)
{
m_treeCtrl->SelectItem(lastId);
m_treeCtrl->EnsureVisible(lastId);
}
}
else
{
m_treeCtrl->SelectItem(lastId);
m_treeCtrl->EnsureVisible(lastId);
}
return TRUE;
}
else
return FALSE;
}
wxString wxGenericDirCtrl::GetPath() const
{
wxTreeItemId id = m_treeCtrl->GetSelection();
if (id)
{
wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
return data->m_path;
}
else
return wxEmptyString;
}
wxString wxGenericDirCtrl::GetFilePath() const
{
wxTreeItemId id = m_treeCtrl->GetSelection();
if (id)
{
wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
if (data->m_isDir)
return wxEmptyString;
else
return data->m_path;
}
else
return wxEmptyString;
}
void wxGenericDirCtrl::SetPath(const wxString& path)
{
m_defaultPath = path;
if (m_rootId)
ExpandPath(path);
}
// Not used
#if 0
void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
{
wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
// This may take a longish time. Go to busy cursor
wxBusyCursor busy;
wxASSERT(data);
wxString search,path,filename;
wxString dirName(data->m_path);
#if defined(__WXMSW__) || defined(__WXPM__)
if (dirName.Last() == ':')
dirName += wxString(wxFILE_SEP_PATH);
#endif
wxDir d;
wxString eachFilename;
wxLogNull log;
d.Open(dirName);
if (d.IsOpened())
{
if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
{
do
{
if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
{
filenames.Add(eachFilename);
}
}
while (d.GetNext(& eachFilename)) ;
}
}
}
#endif
void wxGenericDirCtrl::SetFilterIndex(int n)
{
m_currentFilter = n;
wxString f, d;
if (ExtractWildcard(m_filter, n, f, d))
m_currentFilterStr = f;
else
m_currentFilterStr = wxT("*.*");
}
void wxGenericDirCtrl::SetFilter(const wxString& filter)
{
m_filter = filter;
wxString f, d;
if (ExtractWildcard(m_filter, m_currentFilter, f, d))
m_currentFilterStr = f;
else
m_currentFilterStr = wxT("*.*");
}
// Extract description and actual filter from overall filter string
bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
{
wxArrayString filters, descriptions;
int count = ParseFilter(filterStr, filters, descriptions);
if (count > 0 && n < count)
{
filter = filters[n];
description = descriptions[n];
return TRUE;
}
return FALSE;
}
// 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)
{
wxString str(filterStr);
wxString description, filter;
int pos;
bool finished = FALSE;
do
{
pos = str.Find(wxT('|'));
if (pos == -1)
return 0; // Problem
description = str.Left(pos);
str = str.Mid(pos+1);
pos = str.Find(wxT('|'));
if (pos == -1)
{
filter = str;
finished = TRUE;
}
else
{
filter = str.Left(pos);
str = str.Mid(pos+1);
}
descriptions.Add(description);
filters.Add(filter);
}
while (!finished) ;
return filters.Count();
}
void wxGenericDirCtrl::DoResize()
{
wxSize sz = GetClientSize();
int verticalSpacing = 3;
if (m_treeCtrl)
{
wxSize filterSz ;
if (m_filterListCtrl)
{
#ifdef __WXMSW__
// For some reason, this is required in order for the
// correct control height to always be returned, rather
// than the drop-down list height which is sometimes returned.
wxSize oldSize = m_filterListCtrl->GetSize();
m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
#endif
filterSz = m_filterListCtrl->GetSize();
sz.y -= (filterSz.y + verticalSpacing);
}
m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
if (m_filterListCtrl)
{
m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
// Don't know why, but this needs refreshing after a resize (wxMSW)
m_filterListCtrl->Refresh();
}
}
}
void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
{
DoResize();
}
//-----------------------------------------------------------------------------
// wxDirFilterListCtrl
//-----------------------------------------------------------------------------
IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
END_EVENT_TABLE()
bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style)
{
m_dirCtrl = parent;
return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
}
void wxDirFilterListCtrl::Init()
{
m_dirCtrl = NULL;
}
void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
{
int sel = GetSelection();
wxString currentPath = m_dirCtrl->GetPath();
m_dirCtrl->SetFilterIndex(sel);
// If the filter has changed, the view is out of date, so
// collapse the tree.
m_dirCtrl->ReCreateTree();
// Try to restore the selection, or at least the directory
m_dirCtrl->ExpandPath(currentPath);
}
void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
{
Clear();
wxArrayString descriptions, filters;
size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
if (n > 0 && defaultFilter < (int) n)
{
size_t i = 0;
for (i = 0; i < n; i++)
Append(descriptions[i]);
SetSelection(defaultFilter);
}
}
// ----------------------------------------------------------------------------
// wxFileIconsTable icons
// ----------------------------------------------------------------------------
/* Open folder */
static const char * file_icons_tbl_folder_open_xpm[] = {
/* width height ncolors chars_per_pixel */
"16 16 6 1",
/* colors */
" s None c None",
". c #000000",
"+ c #c0c0c0",
"@ c #808080",
"# c #ffff00",
"$ c #ffffff",
/* pixels */
" ",
" @@@@@ ",
" @$$$$$@ ",
" @$#+#+#$@@@@@@ ",
" @$+#+#+$$$$$$@.",
" @$#+#+#+#+#+#@.",
"@@@@@@@@@@@@@#@.",
"@$$$$$$$$$$@@+@.",
"@$#+#+#+#+##.@@.",
" @$#+#+#+#+#+.@.",
" @$+#+#+#+#+#.@.",
" @$+#+#+#+##@..",
" @@@@@@@@@@@@@.",
" .............",
" ",
" "};
/* Computer */
static const char * file_icons_tbl_computer_xpm[] = {
"16 16 7 1",
" s None c None",
". c #808080",
"X c #c0c0c0",
"o c Black",
"O c Gray100",
"+ c #008080",
"@ c Blue",
" ........... ",
" .XXXXXXXXXX.o",
" .OOOOOOOOO..o",
" .OoooooooX..o",
" .Oo+...@+X..o",
" .Oo+XXX.+X..o",
" .Oo+....+X..o",
" .Oo++++++X..o",
" .OXXXXXXXX.oo",
" ..........o.o",
" ...........Xo",
" .XXXXXXXXXX.o",
" .o.o.o.o.o...o",
" .oXoXoXoXoXo.o ",
".XOXXXXXXXXX.o ",
"............o "};
/* Drive */
static const char * file_icons_tbl_drive_xpm[] = {
"16 16 7 1",
" s None c None",
". c #808080",
"X c #c0c0c0",
"o c Black",
"O c Gray100",
"+ c Green",
"@ c #008000",
" ",
" ",
" ",
" ",
" ............. ",
" .XXXXXXXXXXXX.o",
".OOOOOOOOOOOO..o",
".XXXXXXXXX+@X..o",
".XXXXXXXXXXXX..o",
".X..........X..o",
".XOOOOOOOOOOX..o",
"..............o ",
" ooooooooooooo ",
" ",
" ",
" "};
/* CD-ROM */
static const char *file_icons_tbl_cdrom_xpm[] = {
"16 16 10 1",
" s None c None",
". c #808080",
"X c #c0c0c0",
"o c Yellow",
"O c Blue",
"+ c Black",
"@ c Gray100",
"# c #008080",
"$ c Green",
"% c #008000",
" ... ",
" ..XoX.. ",
" .O.XoXXX+ ",
" ...O.oXXXX+ ",
" .O..X.XXXX+ ",
" ....X.+..XXX+",
" .XXX.+@+.XXX+",
" .X@XX.+.X@@X+",
" .....X...#XX@+ ",
".@@@...XXo.O@X+ ",
".@XXX..XXoXOO+ ",
".@++++..XoX+++ ",
".@$%@@XX+++X.+ ",
".............+ ",
" ++++++++++++ ",
" "};
/* Floppy */
static const char * file_icons_tbl_floppy_xpm[] = {
"16 16 7 1",
" s None c None",
". c #808080",
"X c Gray100",
"o c #c0c0c0",
"O c Black",
"+ c Cyan",
"@ c Red",
" ......X",
" .ooooooO",
" .+++++OO",
" .++++++O",
" .++++++O",
" .ooooooO",
" .......o....oO",
" .oooooo.o.O.XoO",
".XXXXXXXXOOOOOO ",
".ooooooooo@o..O ",
".ooo....oooo..O ",
".o..OOOO...o..O ",
".oooXXXXoooo..O ",
".............O ",
" OOOOOOOOOOOO ",
" "};
/* Removeable */
static const char * file_icons_tbl_removeable_xpm[] = {
"16 16 7 1",
" s None c None",
". c #808080",
"X c #c0c0c0",
"o c Black",
"O c Gray100",
"+ c Red",
"@ c #800000",
" ",
" ",
" ",
" ............. ",
" .XXXXXXXXXXXX.o",
".OOOOOOOOOOOO..o",
".OXXXXXXXXXXX..o",
".O+@.oooooo.X..o",
".OXXOooooooOX..o",
".OXXXOOOOOOXX..o",
".OXXXXXXXXXXX..o",
".O............o ",
" ooooooooooooo ",
" ",
" ",
" "};
// ----------------------------------------------------------------------------
// wxFileIconsTable & friends
// ----------------------------------------------------------------------------
// global instance of a wxFileIconsTable
wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
// A module to allow icons table cleanup
class wxFileIconsTableModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
public:
wxFileIconsTableModule() {}
bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return TRUE; }
void OnExit()
{
if (wxTheFileIconsTable)
{
delete wxTheFileIconsTable;
wxTheFileIconsTable = NULL;
}
}
};
IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
class wxFileIconEntry : public wxObject
{
public:
wxFileIconEntry(int i) { id = i; }
int id;
};
wxFileIconsTable::wxFileIconsTable()
{
m_HashTable = NULL;
m_smallImageList = NULL;
}
wxFileIconsTable::~wxFileIconsTable()
{
if (m_HashTable) delete m_HashTable;
if (m_smallImageList) delete m_smallImageList;
}
// delayed initialization - wait until first use (wxArtProv not created yet)
void wxFileIconsTable::Create()
{
wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
printf("creating \n"); fflush(stdout);
m_HashTable = new wxHashTable(wxKEY_STRING);
m_smallImageList = new wxImageList(16, 16);
m_HashTable->DeleteContents(TRUE);
// folder:
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER, wxART_CMN_DIALOG));
// folder_open
m_smallImageList->Add(wxIcon(file_icons_tbl_folder_open_xpm));
// computer
m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
// drive
m_smallImageList->Add(wxIcon(file_icons_tbl_drive_xpm));
// cdrom
m_smallImageList->Add(wxIcon(file_icons_tbl_cdrom_xpm));
// floppy
m_smallImageList->Add(wxIcon(file_icons_tbl_floppy_xpm));
// removeable
m_smallImageList->Add(wxIcon(file_icons_tbl_removeable_xpm));
// file
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE, wxART_CMN_DIALOG));
// executable
if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
{
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE, wxART_CMN_DIALOG));
m_HashTable->Delete(_T("exe"));
m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
}
/* else put into list by GetIconID
(KDE defines application/x-executable for *.exe and has nice icon)
*/
}
wxImageList *wxFileIconsTable::GetSmallImageList()
{
if (!m_smallImageList)
Create();
return m_smallImageList;
}
#if wxUSE_MIMETYPE
// VS: we don't need this function w/o wxMimeTypesManager because we'll only have
// one icon and we won't resize it
static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
{
wxImage smallimg (16, 16);
unsigned char *p1, *p2, *ps;
unsigned char mr = img.GetMaskRed(),
mg = img.GetMaskGreen(),
mb = img.GetMaskBlue();
unsigned x, y;
unsigned sr, sg, sb, smask;
p1 = img.GetData(), p2 = img.GetData() + 3 * 32, ps = smallimg.GetData();
smallimg.SetMaskColour(mr, mr, mr);
for (y = 0; y < 16; y++)
{
for (x = 0; x < 16; x++)
{
sr = sg = sb = smask = 0;
if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
sr += p1[0], sg += p1[1], sb += p1[2];
else smask++;
p1 += 3;
if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
sr += p1[0], sg += p1[1], sb += p1[2];
else smask++;
p1 += 3;
if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
sr += p2[0], sg += p2[1], sb += p2[2];
else smask++;
p2 += 3;
if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
sr += p2[0], sg += p2[1], sb += p2[2];
else smask++;
p2 += 3;
if (smask > 2)
ps[0] = ps[1] = ps[2] = mr;
else
ps[0] = sr >> 2, ps[1] = sg >> 2, ps[2] = sb >> 2;
ps += 3;
}
p1 += 32 * 3, p2 += 32 * 3;
}
return wxBitmap(smallimg);
}
// finds empty borders and return non-empty area of image:
static wxImage CutEmptyBorders(const wxImage& img)
{
unsigned char mr = img.GetMaskRed(),
mg = img.GetMaskGreen(),
mb = img.GetMaskBlue();
unsigned char *dt = img.GetData(), *dttmp;
unsigned w = img.GetWidth(), h = img.GetHeight();
unsigned top, bottom, left, right, i;
bool empt;
#define MK_DTTMP(x,y) dttmp = dt + ((x + y * w) * 3)
#define NOEMPTY_PIX(empt) if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = FALSE; break;}
for (empt = TRUE, top = 0; empt && top < h; top++)
{
MK_DTTMP(0, top);
for (i = 0; i < w; i++, dttmp+=3)
NOEMPTY_PIX(empt)
}
for (empt = TRUE, bottom = h-1; empt && bottom > top; bottom--)
{
MK_DTTMP(0, bottom);
for (i = 0; i < w; i++, dttmp+=3)
NOEMPTY_PIX(empt)
}
for (empt = TRUE, left = 0; empt && left < w; left++)
{
MK_DTTMP(left, 0);
for (i = 0; i < h; i++, dttmp+=3*w)
NOEMPTY_PIX(empt)
}
for (empt = TRUE, right = w-1; empt && right > left; right--)
{
MK_DTTMP(right, 0);
for (i = 0; i < h; i++, dttmp+=3*w)
NOEMPTY_PIX(empt)
}
top--, left--, bottom++, right++;
return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
}
#endif // wxUSE_MIMETYPE
int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
{
if (!m_smallImageList)
Create();
#if wxUSE_MIMETYPE
if (!extension.IsEmpty())
{
wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
if (entry) return (entry -> id);
}
wxFileType *ft = (mime.IsEmpty()) ?
wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
wxIcon ic;
if (ft == NULL || (!ft->GetIcon(&ic)) || (!ic.Ok()))
{
int newid = file;
m_HashTable->Put(extension, new wxFileIconEntry(newid));
return newid;
}
wxBitmap tmpBmp;
tmpBmp.CopyFromIcon(ic);
wxImage img = tmpBmp.ConvertToImage();
delete ft;
int id = m_smallImageList->GetImageCount();
if (img.GetWidth() == 16 && img.GetHeight() == 16)
m_smallImageList->Add(wxBitmap(img));
else
{
if (img.GetWidth() != 32 || img.GetHeight() != 32)
m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(32, 32)));
else
m_smallImageList->Add(CreateAntialiasedBitmap(img));
}
m_HashTable->Put(extension, new wxFileIconEntry(id));
return id;
#else // !wxUSE_MIMETYPE
if (extension == wxT("exe"))
return executable;
else
return file;
#endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
}
#endif // wxUSE_DIRDLG
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