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file dialog now remebers list/report and hidden files settings, displays icons for all known file types ; adds file extension if user did not specify one

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5440 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2000-01-16 00:31:36 +00:00
parent cdf339c9de
commit 655cf3107a
1 changed files with 194 additions and 10 deletions
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204
src/generic/filedlgg.cpp
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@@ -32,6 +32,10 @@
#include "wx/sizer.h"
#include "wx/bmpbuttn.h"
#include "wx/tokenzr.h"
#include "wx/mimetype.h"
#include "wx/image.h"
#include "wx/module.h"
#if wxUSE_TOOLTIPS
#include "wx/tooltip.h"
@@ -80,6 +84,127 @@ static char * folder_xpm[] = {
" ",
" "};
// ----------------------------------------------------------------------------
// private classes - icons list management
// ----------------------------------------------------------------------------
class wxFileIconEntry : public wxObject
{
public:
wxFileIconEntry(int i) { id = i; }
int id;
};
class wxFileIconsTable
{
public:
wxFileIconsTable();
int GetIconID(const wxString& extension);
wxImageList *GetImageList() { return &m_ImageList; }
protected:
wxImageList m_ImageList;
wxHashTable m_HashTable;
wxMimeTypesManager m_Mime;
};
static wxFileIconsTable *g_IconsTable = NULL;
wxFileIconsTable::wxFileIconsTable() :
m_ImageList(16, 16),
m_HashTable(wxKEY_STRING),
m_Mime()
{
m_HashTable.DeleteContents(TRUE);
m_ImageList.Add(wxBitmap(folder_xpm));
}
static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
{
wxImage small(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 = small.GetData();
small.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 small.ConvertToBitmap();
}
int wxFileIconsTable::GetIconID(const wxString& extension)
{
wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable.Get(extension);
if (entry) return (entry -> id);
wxFileType *ft = m_Mime.GetFileTypeFromExtension(extension);
wxIcon ic;
if (ft == NULL || (!ft -> GetIcon(&ic)))
{
int newid = GetIconID(wxT("txt"));
m_HashTable.Put(extension, new wxFileIconEntry(newid));
return newid;
}
wxImage img(ic);
delete ft;
int id = m_ImageList.GetImageCount();
if (img.GetWidth() == 16 && img.GetHeight() == 16)
m_ImageList.Add(img.ConvertToBitmap());
else
m_ImageList.Add(CreateAntialiasedBitmap(img.Scale(32, 32)));
m_HashTable.Put(extension, new wxFileIconEntry(id));
return id;
}
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
@@ -255,7 +380,14 @@ void wxFileData::MakeItem( wxListItem &item )
item.ClearAttributes();
if (IsExe()) item.SetTextColour(*wxRED);
if (IsDir()) item.SetTextColour(*wxBLUE);
item.m_image = IsDir() ? 0 : -1;
if (IsDir())
item.m_image = 0;
else if (m_name.Find(wxT('.')) != wxNOT_FOUND)
item.m_image = g_IconsTable -> GetIconID(m_name.AfterLast(wxT('.')));
else
item.m_image = -1;
if (IsLink())
{
wxColour *dg = wxTheColourDatabase->FindColour( "MEDIUM GREY" );
@@ -275,6 +407,8 @@ BEGIN_EVENT_TABLE(wxFileCtrl,wxListCtrl)
EVT_LIST_END_LABEL_EDIT(-1, wxFileCtrl::OnListEndLabelEdit)
END_EVENT_TABLE()
wxFileCtrl::wxFileCtrl()
{
m_dirName = wxT("/");
@@ -287,8 +421,9 @@ wxFileCtrl::wxFileCtrl( wxWindow *win, wxWindowID id,
long style, const wxValidator &validator, const wxString &name ) :
wxListCtrl( win, id, pos, size, style, validator, name )
{
wxImageList *imageList = new wxImageList( 16, 16 );
imageList->Add( wxBitmap( folder_xpm ) );
if (! g_IconsTable) g_IconsTable = new wxFileIconsTable;
wxImageList *imageList = g_IconsTable -> GetImageList();
SetImageList( imageList, wxIMAGE_LIST_SMALL );
m_dirName = dirName;
@@ -573,6 +708,9 @@ BEGIN_EVENT_TABLE(wxFileDialog,wxDialog)
EVT_CHECKBOX(ID_CHECK,wxFileDialog::OnCheck)
END_EVENT_TABLE()
long wxFileDialog::m_lastViewStyle = wxLC_LIST;
bool wxFileDialog::m_lastShowHidden = FALSE;
wxFileDialog::wxFileDialog(wxWindow *parent,
const wxString& message,
const wxString& defaultDir,
@@ -587,6 +725,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
m_message = message;
m_dialogStyle = style;
if (m_dialogStyle == 0) m_dialogStyle = wxOPEN;
if ((m_dialogStyle & wxMULTIPLE ) && !(m_dialogStyle & wxOPEN))
m_dialogStyle |= wxOPEN;
@@ -602,6 +741,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
m_fileName = defaultFile;
m_wildCard = wildCard;
m_filterIndex = 0;
m_filterExtension = wxEmptyString;
// interpret wildcards
@@ -622,6 +762,9 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
firstWildText = tokens.GetNextToken();
firstWild = tokens.GetNextToken();
}
if ( firstWild.Left( 2 ) == wxT("*.") )
m_filterExtension = firstWild.Mid( 1 );
if ( m_filterExtension == ".*" ) m_filterExtension = wxEmptyString;
// layout
@@ -675,10 +818,11 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
if (m_dialogStyle & wxMULTIPLE)
m_list = new wxFileCtrl( this, ID_LIST_CTRL, m_dir, firstWild, wxDefaultPosition,
wxSize(440,180), wxLC_LIST | wxSUNKEN_BORDER );
wxSize(440,180), m_lastViewStyle | wxSUNKEN_BORDER );
else
m_list = new wxFileCtrl( this, ID_LIST_CTRL, m_dir, firstWild, wxDefaultPosition,
wxSize(440,180), wxLC_LIST | wxSUNKEN_BORDER | wxLC_SINGLE_SEL );
wxSize(440,180), m_lastViewStyle | wxSUNKEN_BORDER | wxLC_SINGLE_SEL );
m_list -> ShowHidden(m_lastShowHidden);
mainsizer->Add( m_list, 1, wxEXPAND | wxLEFT|wxRIGHT, 10 );
wxBoxSizer *textsizer = new wxBoxSizer( wxHORIZONTAL );
@@ -691,7 +835,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
m_choice = new wxChoice( this, ID_CHOICE );
choicesizer->Add( m_choice, 1, wxCENTER|wxALL, 10 );
m_check = new wxCheckBox( this, ID_CHECK, _("Show hidden files") );
m_check->SetValue( FALSE );
m_check->SetValue( m_lastShowHidden );
choicesizer->Add( m_check, 0, wxCENTER|wxALL, 10 );
choicesizer->Add( new wxButton( this, wxID_CANCEL, _("Cancel") ), 0, wxCENTER | wxALL, 10 );
mainsizer->Add( choicesizer, 0, wxEXPAND );
@@ -731,11 +875,18 @@ void wxFileDialog::OnChoice( wxCommandEvent &event )
wxString *str = (wxString*) m_choice->GetClientData( index );
m_list->SetWild( *str );
m_filterIndex = index;
if ( str -> Left( 2 ) == wxT("*.") )
{
m_filterExtension = str -> Mid( 1 );
if (m_filterExtension == ".*") m_filterExtension = wxEmptyString;
}
else
m_filterExtension = wxEmptyString;
}
void wxFileDialog::OnCheck( wxCommandEvent &event )
{
m_list->ShowHidden( event.GetInt() != 0 );
m_list->ShowHidden( (m_lastShowHidden = event.GetInt() != 0) );
}
void wxFileDialog::OnActivated( wxListEvent &event )
@@ -828,8 +979,12 @@ void wxFileDialog::HandleAction( const wxString &fn )
return;
}
if ( (m_dialogStyle & wxSAVE) && (m_dialogStyle & wxOVERWRITE_PROMPT) )
{
if (filename.Find( wxT('.') ) == wxNOT_FOUND ||
filename.AfterLast( wxT('.') ).Find( wxT('/') ) != wxNOT_FOUND)
filename << m_filterExtension;
if (wxFileExists( filename ))
{
wxString msg;
@@ -840,12 +995,20 @@ void wxFileDialog::HandleAction( const wxString &fn )
return;
}
}
else if ( (m_dialogStyle & wxOPEN) && (m_dialogStyle & wxFILE_MUST_EXIST) )
else if ( m_dialogStyle & wxOPEN )
{
if ( !wxFileExists( filename ) )
if (filename.Find( wxT('.') ) == wxNOT_FOUND ||
filename.AfterLast( wxT('.') ).Find( wxT('/') ) != wxNOT_FOUND)
filename << m_filterExtension;
if ( m_dialogStyle & wxFILE_MUST_EXIST )
{
wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK | wxICON_ERROR );
return;
if ( !wxFileExists( filename ) )
{
wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK | wxICON_ERROR );
return;
}
}
}
@@ -863,12 +1026,14 @@ void wxFileDialog::OnListOk( wxCommandEvent &WXUNUSED(event) )
void wxFileDialog::OnList( wxCommandEvent &WXUNUSED(event) )
{
m_list->ChangeToListMode();
m_lastViewStyle = wxLC_LIST;
m_list->SetFocus();
}
void wxFileDialog::OnReport( wxCommandEvent &WXUNUSED(event) )
{
m_list->ChangeToReportMode();
m_lastViewStyle = wxLC_REPORT;
m_list->SetFocus();
}
@@ -960,6 +1125,8 @@ void wxFileDialog::GetFilenames(wxArrayString& files) const
}
}
// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------
@@ -1041,3 +1208,20 @@ wxString wxSaveFileSelector(const wxChar *what, const wxChar *extension, const w
return wxFileSelector (prompt, (const wxChar *) NULL, default_name, ext, wild, 0, parent);
}
// A module to allow icons table cleanup
class wxFileDialogGenericModule: public wxModule
{
DECLARE_DYNAMIC_CLASS(wxFileDialogGenericModule)
public:
wxFileDialogGenericModule() {}
bool OnInit() { return TRUE; }
void OnExit() { if (g_IconsTable) {delete g_IconsTable; g_IconsTable = NULL;} }
};
IMPLEMENT_DYNAMIC_CLASS(wxFileDialogGenericModule, wxModule)