X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/737255678cb96a8296348fb62603afdd28133ec5..5f9fd7ea86d211e3681a71c9f70303aa72b5de3c:/src/generic/filedlgg.cpp

diff --git a/src/generic/filedlgg.cpp b/src/generic/filedlgg.cpp
index 905f9d9bd9..60b582dcfb 100644
--- a/src/generic/filedlgg.cpp
+++ b/src/generic/filedlgg.cpp
@@ -36,7 +36,7 @@
 #include "wx/image.h"
 #include "wx/module.h"
 #include "wx/config.h"
-
+#include "wx/imaglist.h"
 
 #if wxUSE_TOOLTIPS
     #include "wx/tooltip.h"
@@ -65,25 +65,24 @@
 
 class wxFileIconEntry : public wxObject
 {
-    public:
-        wxFileIconEntry(int i) { id = i; }
-    
-        int id;
+public:
+    wxFileIconEntry(int i) { id = i; }
+
+    int id;
 };
 
 
 class wxFileIconsTable
 {
-    public:
+public:
+    wxFileIconsTable();
 
-        wxFileIconsTable();
-        
-        int GetIconID(const wxString& extension, const wxString& mime = wxEmptyString);
-        wxImageList *GetImageList() { return &m_ImageList; }
+    int GetIconID(const wxString& extension, const wxString& mime = wxEmptyString);
+    wxImageList *GetImageList() { return &m_ImageList; }
 
-    protected:        
-        wxImageList m_ImageList;
-        wxHashTable m_HashTable;
+protected:
+    wxImageList m_ImageList;
+    wxHashTable m_HashTable;
 };
 
 static wxFileIconsTable *g_IconsTable = NULL;
@@ -99,9 +98,9 @@ wxFileIconsTable::wxFileIconsTable() :
     m_HashTable.DeleteContents(TRUE);
     m_ImageList.Add(wxBitmap(folder_xpm));  // FI_FOLDER
     m_ImageList.Add(wxBitmap(deffile_xpm)); // FI_UNKNOWN
-    if (GetIconID(wxEmptyString, _T("application/x-executable")) == FI_UNKNOWN) 
+    if (GetIconID(wxEmptyString, _T("application/x-executable")) == FI_UNKNOWN)
     {                                       // FI_EXECUTABLE
-        m_ImageList.Add(wxBitmap(exefile_xpm)); 
+        m_ImageList.Add(wxBitmap(exefile_xpm));
         m_HashTable.Delete(_T("exe"));
         m_HashTable.Put(_T("exe"), new wxFileIconEntry(FI_EXECUTABLE));
     }
@@ -116,16 +115,16 @@ static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
 {
     wxImage small(16, 16);
     unsigned char *p1, *p2, *ps;
-    unsigned char mr = img.GetMaskRed(), 
-                  mg = img.GetMaskGreen(), 
+    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++)
@@ -147,8 +146,8 @@ static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
                 sr += p2[0], sg += p2[1], sb += p2[2];
             else smask++;
             p2 += 3;
-            
-            if (smask > 2) 
+
+            if (smask > 2)
                 ps[0] = ps[1] = ps[2] = mr;
             else
                 ps[0] = sr >> 2, ps[1] = sg >> 2, ps[2] = sb >> 2;
@@ -156,11 +155,57 @@ static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
         }
         p1 += 32 * 3, p2 += 32 * 3;
     }
-    
+
     return small.ConvertToBitmap();
 }
 
 
+// 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));
+}
+
+
+
 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
 {
     if (!extension.IsEmpty())
@@ -169,11 +214,11 @@ int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
         if (entry) return (entry -> id);
     }
 
-    wxFileType *ft = (mime.IsEmpty()) ? 
+    wxFileType *ft = (mime.IsEmpty()) ?
                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
     wxIcon ic;
-    if (ft == NULL || (!ft -> GetIcon(&ic)))
+    if (ft == NULL || (!ft -> GetIcon(&ic)) || (!ic.Ok()))
     {
         int newid = FI_UNKNOWN;
         m_HashTable.Put(extension, new wxFileIconEntry(newid));
@@ -181,15 +226,16 @@ int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
     }
     wxImage img(ic);
     delete ft;
-    
+
     int id = m_ImageList.GetImageCount();
     if (img.GetWidth() == 16 && img.GetHeight() == 16)
         m_ImageList.Add(img.ConvertToBitmap());
     else
     {
         if (img.GetWidth() != 32 || img.GetHeight() != 32)
-            img.Rescale(32, 32);
-        m_ImageList.Add(CreateAntialiasedBitmap(img));
+            m_ImageList.Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(32, 32)));
+        else
+            m_ImageList.Add(CreateAntialiasedBitmap(img));
     }
     m_HashTable.Put(extension, new wxFileIconEntry(id));
     return id;
@@ -372,10 +418,10 @@ void wxFileData::MakeItem( wxListItem &item )
     item.ClearAttributes();
     if (IsExe()) item.SetTextColour(*wxRED);
     if (IsDir()) item.SetTextColour(*wxBLUE);
-    
+
     if (IsDir())
         item.m_image = FI_FOLDER;
-    else if (IsExe()) 
+    else if (IsExe())
         item.m_image = FI_EXECUTABLE;
     else if (m_name.Find(wxT('.')) != wxNOT_FOUND)
         item.m_image = g_IconsTable -> GetIconID(m_name.AfterLast(wxT('.')));
@@ -398,11 +444,11 @@ IMPLEMENT_DYNAMIC_CLASS(wxFileCtrl,wxListCtrl);
 
 BEGIN_EVENT_TABLE(wxFileCtrl,wxListCtrl)
     EVT_LIST_DELETE_ITEM(-1, wxFileCtrl::OnListDeleteItem)
+    EVT_LIST_DELETE_ALL_ITEMS(-1, wxFileCtrl::OnListDeleteAllItems)
     EVT_LIST_END_LABEL_EDIT(-1, wxFileCtrl::OnListEndLabelEdit)
 END_EVENT_TABLE()
 
 
-
 wxFileCtrl::wxFileCtrl()
 {
     m_dirName = wxT("/");
@@ -477,7 +523,7 @@ void wxFileCtrl::Update()
         if (GetColumnCount() > 0)
             name_col_width = GetColumnWidth( 0 );
     }
-    
+
     ClearAll();
     if (my_style & wxLC_REPORT)
     {
@@ -636,6 +682,23 @@ void wxFileCtrl::OnListDeleteItem( wxListEvent &event )
     delete fd;
 }
 
+void wxFileCtrl::OnListDeleteAllItems( wxListEvent &WXUNUSED(event) )
+{
+    wxListItem item;
+    item.m_mask = wxLIST_MASK_DATA;
+
+    item.m_itemId = GetNextItem( -1, wxLIST_NEXT_ALL );
+    while ( item.m_itemId != -1 )
+    {
+        GetItem( item );
+        wxFileData *fd = (wxFileData*)item.m_data;
+        delete fd;
+        item.m_data = 0;
+        SetItem( item );
+        item.m_itemId = GetNextItem( item.m_itemId, wxLIST_NEXT_ALL );
+    }
+}
+
 void wxFileCtrl::OnListEndLabelEdit( wxListEvent &event )
 {
     wxFileData *fd = (wxFileData*)event.m_item.m_data;
@@ -826,10 +889,10 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
 
     if (m_dialogStyle & wxMULTIPLE)
         m_list = new wxFileCtrl( this, ID_LIST_CTRL, m_dir, firstWild, wxDefaultPosition,
-	                         wxSize(440,180), s_lastViewStyle | wxSUNKEN_BORDER );
+                                 wxSize(440,180), s_lastViewStyle | wxSUNKEN_BORDER );
     else
         m_list = new wxFileCtrl( this, ID_LIST_CTRL, m_dir, firstWild, wxDefaultPosition,
-	                         wxSize(440,180), s_lastViewStyle | wxSUNKEN_BORDER | wxLC_SINGLE_SEL );
+                                 wxSize(440,180), s_lastViewStyle | wxSUNKEN_BORDER | wxLC_SINGLE_SEL );
     m_list -> ShowHidden(s_lastShowHidden);
     mainsizer->Add( m_list, 1, wxEXPAND | wxLEFT|wxRIGHT, 10 );
 
@@ -862,7 +925,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent,
 
     mainsizer->Fit( this );
     mainsizer->SetSizeHints( this );
-    
+
     Centre( wxBOTH );
 
     if (m_fileName.IsEmpty())
@@ -1108,10 +1171,11 @@ void wxFileDialog::GetPaths( wxArrayString& paths ) const
     item.m_mask = wxLIST_MASK_TEXT;
 
     item.m_itemId = m_list->GetNextItem( -1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED );
-    while ( item.m_itemId != -1 ) {
+    while ( item.m_itemId != -1 )
+    {
         m_list->GetItem( item );
         paths.Add( dir + item.m_text );
-        item.m_itemId = m_list->GetNextItem( item.m_itemId + 1,
+        item.m_itemId = m_list->GetNextItem( item.m_itemId,
             wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED );
     }
 }
@@ -1130,10 +1194,11 @@ void wxFileDialog::GetFilenames(wxArrayString& files) const
     item.m_mask = wxLIST_MASK_TEXT;
 
     item.m_itemId = m_list->GetNextItem( -1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED );
-    while ( item.m_itemId != -1 ) {
+    while ( item.m_itemId != -1 )
+    {
         m_list->GetItem( item );
         files.Add( item.m_text );
-        item.m_itemId = m_list->GetNextItem( item.m_itemId + 1,
+        item.m_itemId = m_list->GetNextItem( item.m_itemId,
             wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED );
     }
 }