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wxFileIconsTable::SetSize allows an application to set a different icon size in its initialisation, to adapt directory and file controls for HiDPI.

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This commit is contained in:
JulianSmart 2015-12-13 20:22:02 +00:00
parent 0484975fed
commit 16d8d6c4a4
2 changed files with 46 additions and 20 deletions
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8
include/wx/generic/dirctrlg.h
View File

@ -300,11 +300,17 @@ public:
int GetIconID(const wxString& extension, const wxString& mime = wxEmptyString);
wxImageList *GetSmallImageList();
const wxSize& GetSize() const { return m_size; }
void SetSize(const wxSize& sz) { m_size = sz; }
bool IsOk() const { return m_smallImageList != NULL; }
protected:
void Create(); // create on first use
void Create(const wxSize& sz); // create on first use
wxImageList *m_smallImageList;
wxHashTable *m_HashTable;
wxSize m_size;
};
// The global fileicons table

58
src/generic/dirctrlg.cpp
View File

@ -420,6 +420,19 @@ bool wxGenericDirCtrl::Create(wxWindow *parent,
if (m_filterListCtrl)
m_filterListCtrl->FillFilterList(filter, defaultFilter);
// TODO: set the icon size according to current scaling for this window.
// Currently, there's insufficient API in wxWidgets to determine what icons
// are available and whether to take the nearest size according to a tolerance
// instead of scaling.
// if (!wxTheFileIconsTable->IsOk())
// wxTheFileIconsTable->SetSize(scaledSize);
// Meanwhile, in your application initialisation, where you have better knowledge of what
// icons are available and whether to scale, you can do this:
//
// wxTheFileIconsTable->SetSize(calculatedIconSizeForDPI);
//
// Obviously this can't take into account monitors with different DPI.
m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
m_showHidden = false;
@ -1335,6 +1348,7 @@ void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilt
// wxFileIconsTable icons
// ----------------------------------------------------------------------------
#if 0
#ifndef __WXGTK20__
/* Computer (c) Julian Smart */
static const char* const file_icons_tbl_computer_xpm[] = {
@ -1401,6 +1415,7 @@ static const char* const file_icons_tbl_computer_xpm[] = {
" "
};
#endif // !GTK+ 2
#endif
// ----------------------------------------------------------------------------
// wxFileIconsTable & friends
@ -1437,6 +1452,7 @@ wxFileIconsTable::wxFileIconsTable()
{
m_HashTable = NULL;
m_smallImageList = NULL;
m_size = wxSize(16, 16);
}
wxFileIconsTable::~wxFileIconsTable()
@ -1450,55 +1466,59 @@ wxFileIconsTable::~wxFileIconsTable()
}
// delayed initialization - wait until first use (wxArtProv not created yet)
void wxFileIconsTable::Create()
void wxFileIconsTable::Create(const wxSize& sz)
{
wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
m_HashTable = new wxHashTable(wxKEY_STRING);
m_smallImageList = new wxImageList(16, 16);
m_smallImageList = new wxImageList(sz.x, sz.y);
// folder:
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
// folder_open
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
// computer
#ifdef __WXGTK20__
// GTK24 uses this icon in the file open dialog
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
#else
m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
wxART_CMN_DIALOG,
sz));
// TODO: add computer icon if really necessary
//m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
#endif
// drive
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
// cdrom
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
// floppy
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
// removeable
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
// file
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
// executable
if (GetIconID(wxEmptyString, wxT("application/x-executable")) == file)
{
m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
wxART_CMN_DIALOG,
wxSize(16, 16)));
sz));
delete m_HashTable->Get(wxT("exe"));
m_HashTable->Delete(wxT("exe"));
m_HashTable->Put(wxT("exe"), new wxFileIconEntry(executable));
@ -1511,7 +1531,7 @@ void wxFileIconsTable::Create()
wxImageList *wxFileIconsTable::GetSmallImageList()
{
if (!m_smallImageList)
Create();
Create(m_size);
return m_smallImageList;
}
@ -1520,9 +1540,9 @@ wxImageList *wxFileIconsTable::GetSmallImageList()
// 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)
static wxBitmap CreateAntialiasedBitmap(const wxImage& img, const wxSize& sz)
{
const unsigned int size = 16;
const unsigned int size = sz.x;
wxImage smallimg (size, size);
unsigned char *p1, *p2, *ps;
@ -1626,7 +1646,7 @@ static wxImage CutEmptyBorders(const wxImage& img)
int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
{
if (!m_smallImageList)
Create();
Create(m_size);
#if wxUSE_MIMETYPE
if (!extension.empty())
@ -1669,7 +1689,7 @@ int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
return newid;
}
const unsigned int size = 16;
int size = m_size.x;
int treeid = m_smallImageList->GetImageCount();
if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
@ -1683,9 +1703,9 @@ int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
// m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2), m_size));
else
m_smallImageList->Add(CreateAntialiasedBitmap(img));
m_smallImageList->Add(CreateAntialiasedBitmap(img, m_size));
}
#endif // wxUSE_IMAGE