void wxItemContainer::AssignNewItemClientData(unsigned int pos,
void **clientData,
unsigned int n,
wxClientDataType type)
{
switch ( type )
{
case wxClientData_Object:
SetClientObject
(
pos,
(reinterpret_cast<wxClientData **>(clientData))[n]
);
break;
case wxClientData_Void:
SetClientData(pos, clientData[n]);
break;
default:
wxFAIL_MSG( wxT("unknown client data type") );
wxFALLTHROUGH;
case wxClientData_None:
// nothing to do
break;
}
}
void wxChoice::SetString(unsigned int n, const wxString& s)
{
wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::SetString") );
// we have to delete and add back the string as there is no way to change a
// string in place
// we need to preserve the client data manually
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( HasClientUntypedData() )
oldData = GetClientData(n);
else if ( HasClientObjectData() )
oldObjData = GetClientObject(n);
// and also the selection if we're going to delete the item that was
// selected
const bool wasSelected = static_cast<int>(n) == GetSelection();
::SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
::SendMessage(GetHwnd(), CB_INSERTSTRING, n, (LPARAM)s.wx_str() );
// restore the client data
if ( oldData )
SetClientData(n, oldData);
else if ( oldObjData )
SetClientObject(n, oldObjData);
// and the selection
if ( wasSelected )
SetSelection(n);
// the width could have changed so the best size needs to be recomputed
InvalidateBestSize();
}
void wxChoice::SetString(unsigned int n, const wxString& s)
{
wxCHECK_RET( IsValid(n), wxT("invalid item index in wxChoice::SetString") );
// we have to delete and add back the string as there is no way to change a
// string in place
// we need to preserve the client data manually
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( HasClientUntypedData() )
oldData = GetClientData(n);
else if ( HasClientObjectData() )
oldObjData = GetClientObject(n);
::SendMessage(GetHwnd(), CB_DELETESTRING, n, 0);
::SendMessage(GetHwnd(), CB_INSERTSTRING, n, (LPARAM)s.wx_str() );
// restore the client data
if ( oldData )
SetClientData(n, oldData);
else if ( oldObjData )
SetClientObject(n, oldObjData);
InvalidateBestSize();
}
void wxListBox::SetString(unsigned int n, const wxString& rsString)
{
wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::SetString") );
//
// Remember the state of the item
//
bool bWasSelected = IsSelected(n);
void* pOldData = NULL;
wxClientData* pOldObjData = NULL;
if ( HasClientUntypedData() )
pOldData = GetClientData(n);
else if ( HasClientObjectData() )
pOldObjData = GetClientObject(n);
//
// Delete and recreate it
//
::WinSendMsg( GetHwnd()
,LM_DELETEITEM
,(MPARAM)n
,(MPARAM)0
);
int nNewN = n;
if (n == (m_nNumItems - 1))
nNewN = -1;
::WinSendMsg( GetHwnd()
,LM_INSERTITEM
,(MPARAM)nNewN
,(MPARAM)rsString.wx_str()
);
//
// Restore the client data
//
if (pOldData)
SetClientData(n, pOldData);
else if (pOldObjData)
SetClientObject(n, pOldObjData);
//
// We may have lost the selection
//
if (bWasSelected)
Select(n);
#if wxUSE_OWNER_DRAWN
if (m_windowStyle & wxLB_OWNERDRAW)
//
// Update item's text
//
m_aItems[n]->SetName(rsString);
#endif //USE_OWNER_DRAWN
} // end of wxListBox::SetString
int
wxItemContainer::Insert(const wxString& item, int pos, wxClientData *clientData)
{
int n = DoInsert(item, pos);
if ( n != wxNOT_FOUND )
SetClientObject(n, clientData);
return n;
}
int wxBitmapComboBox::Insert(const wxString& item, const wxBitmap& bitmap,
unsigned int pos, wxClientData *clientData)
{
int n = DoInsertWithImage(item, bitmap, pos);
if ( n != wxNOT_FOUND )
SetClientObject(n, clientData);
return n;
}
void wxRearrangeList::Swap(int pos1, int pos2)
{
// update the internally stored order
wxSwap(m_order[pos1], m_order[pos2]);
// and now also swap all the attributes of the items
// first the label
const wxString stringTmp = GetString(pos1);
SetString(pos1, GetString(pos2));
SetString(pos2, stringTmp);
// then the checked state
const bool checkedTmp = IsChecked(pos1);
wxCheckListBox::Check(pos1, IsChecked(pos2));
wxCheckListBox::Check(pos2, checkedTmp);
// and finally the client data, if necessary
switch ( GetClientDataType() )
{
case wxClientData_None:
// nothing to do
break;
case wxClientData_Object:
{
wxClientData * const dataTmp = DetachClientObject(pos1);
SetClientObject(pos1, DetachClientObject(pos2));
SetClientObject(pos2, dataTmp);
}
break;
case wxClientData_Void:
{
void * const dataTmp = GetClientData(pos1);
SetClientData(pos1, GetClientData(pos2));
SetClientData(pos2, dataTmp);
}
break;
}
}
wxTreeEvent::wxTreeEvent(wxEventType commandType,
wxTreeCtrlBase *tree,
const wxTreeItemId& item)
: wxNotifyEvent(commandType, tree->GetId()),
m_item(item)
{
m_editCancelled = false;
SetEventObject(tree);
if ( item.IsOk() )
SetClientObject(tree->GetItemData(item));
}
void wxListBox::SetString(unsigned int n, const wxString& s)
{
wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::SetString") );
// remember the state of the item
bool wasSelected = IsSelected(n);
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( m_clientDataItemsType == wxClientData_Void )
oldData = GetClientData(n);
else if ( m_clientDataItemsType == wxClientData_Object )
oldObjData = GetClientObject(n);
// delete and recreate it
SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);
int newN = n;
if ( n == (m_noItems - 1) )
newN = -1;
ListBox_InsertString(GetHwnd(), newN, s);
// restore the client data
if ( oldData )
SetClientData(n, oldData);
else if ( oldObjData )
SetClientObject(n, oldObjData);
#if wxUSE_OWNER_DRAWN
if ( m_windowStyle & wxLB_OWNERDRAW )
{
// update item's text
m_aItems[n]->SetName(s);
// reassign the item's data
ListBox_SetItemData(GetHwnd(), n, m_aItems[n]);
}
#endif //USE_OWNER_DRAWN
// we may have lost the selection
if ( wasSelected )
Select(n);
SetHorizontalExtent();
}
void wxListBox::SetString(int N, const wxString& s)
{
wxCHECK_RET( N >= 0 && N < m_noItems,
wxT("invalid index in wxListBox::SetString") );
// remember the state of the item
bool wasSelected = IsSelected(N);
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( m_clientDataItemsType == wxClientData_Void )
oldData = GetClientData(N);
else if ( m_clientDataItemsType == wxClientData_Object )
oldObjData = GetClientObject(N);
// delete and recreate it
SendMessage(GetHwnd(), LB_DELETESTRING, N, 0);
int newN = N;
if ( N == m_noItems - 1 )
newN = -1;
ListBox_InsertString(GetHwnd(), newN, s);
// restore the client data
if ( oldData )
SetClientData(N, oldData);
else if ( oldObjData )
SetClientObject(N, oldObjData);
#if wxUSE_OWNER_DRAWN
if ( m_windowStyle & wxLB_OWNERDRAW )
{
// update item's text
m_aItems[N]->SetName(s);
// reassign the item's data
ListBox_SetItemData(GetHwnd(), N, m_aItems[N]);
}
#endif //USE_OWNER_DRAWN
// we may have lost the selection
if ( wasSelected )
Select(N);
InvalidateBestSize();
}
void wxListBox::SetString(unsigned int n, const wxString& s)
{
wxCHECK_RET( IsValid(n),
wxT("invalid index in wxListBox::SetString") );
// remember the state of the item
bool wasSelected = IsSelected(n);
void *oldData = NULL;
wxClientData *oldObjData = NULL;
if ( HasClientUntypedData() )
oldData = GetClientData(n);
else if ( HasClientObjectData() )
oldObjData = GetClientObject(n);
// delete and recreate it
SendMessage(GetHwnd(), LB_DELETESTRING, n, 0);
int newN = n;
if ( n == (m_noItems - 1) )
newN = -1;
ListBox_InsertString(GetHwnd(), newN, s.wx_str());
// restore the client data
if ( oldData )
SetClientData(n, oldData);
else if ( oldObjData )
SetClientObject(n, oldObjData);
// we may have lost the selection
if ( wasSelected )
Select(n);
MSWOnItemsChanged();
}
void wxBitmapComboBox::RecreateControl()
{
//
// Recreate control so that WM_MEASUREITEM gets called again.
// Can't use CBS_OWNERDRAWVARIABLE because it has odd
// mouse-wheel behaviour.
//
wxString value = GetValue();
wxPoint pos = GetPosition();
wxSize size = GetSize();
size.y = GetBestSize().y;
const wxArrayString strings = GetStrings();
const unsigned numItems = strings.size();
unsigned i;
// Save the client data pointers before clearing the control, if any.
const wxClientDataType clientDataType = GetClientDataType();
wxVector<wxClientData*> objectClientData;
wxVector<void*> voidClientData;
switch ( clientDataType )
{
case wxClientData_None:
break;
case wxClientData_Object:
objectClientData.reserve(numItems);
for ( i = 0; i < numItems; ++i )
objectClientData.push_back(GetClientObject(i));
break;
case wxClientData_Void:
voidClientData.reserve(numItems);
for ( i = 0; i < numItems; ++i )
voidClientData.push_back(GetClientData(i));
break;
}
wxComboBox::DoClear();
HWND hwnd = GetHwnd();
DissociateHandle();
::DestroyWindow(hwnd);
if ( !MSWCreateControl(wxT("COMBOBOX"), wxEmptyString, pos, size) )
return;
// initialize the controls contents
for ( i = 0; i < numItems; i++ )
{
wxComboBox::Append(strings[i]);
if ( !objectClientData.empty() )
SetClientObject(i, objectClientData[i]);
else if ( !voidClientData.empty() )
SetClientData(i, voidClientData[i]);
}
// and make sure it has the same attributes as before
if ( m_hasFont )
{
// calling SetFont(m_font) would do nothing as the code would
// notice that the font didn't change, so force it to believe
// that it did
wxFont font = m_font;
m_font = wxNullFont;
SetFont(font);
}
if ( m_hasFgCol )
{
wxColour colFg = m_foregroundColour;
m_foregroundColour = wxNullColour;
SetForegroundColour(colFg);
}
if ( m_hasBgCol )
{
wxColour colBg = m_backgroundColour;
m_backgroundColour = wxNullColour;
SetBackgroundColour(colBg);
}
else
{
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
}
::SendMessage(GetHwnd(), CB_SETITEMHEIGHT, 0, MeasureItem(0));
// Revert the old string value
if ( !HasFlag(wxCB_READONLY) )
ChangeValue(value);
}
void wxListBox::SetString(
int N
, const wxString& rsString
)
{
wxCHECK_RET( N >= 0 && N < m_nNumItems,
wxT("invalid index in wxListBox::SetString") );
//
// Remember the state of the item
//
bool bWasSelected = IsSelected(N);
void* pOldData = NULL;
wxClientData* pOldObjData = NULL;
if (m_clientDataItemsType == wxClientData_Void)
pOldData = GetClientData(N);
else if (m_clientDataItemsType == wxClientData_Object)
pOldObjData = GetClientObject(N);
//
// Delete and recreate it
//
::WinSendMsg( GetHwnd()
,LM_DELETEITEM
,(MPARAM)N
,(MPARAM)0
);
int nNewN = N;
if (N == m_nNumItems - 1)
nNewN = -1;
::WinSendMsg( GetHwnd()
,LM_INSERTITEM
,(MPARAM)nNewN
,(MPARAM)rsString.c_str()
);
//
// Restore the client data
//
if (pOldData)
SetClientData( N
,pOldData
);
else if (pOldObjData)
SetClientObject( N
,pOldObjData
);
//
// We may have lost the selection
//
if (bWasSelected)
Select(N);
#if wxUSE_OWNER_DRAWN
if (m_windowStyle & wxLB_OWNERDRAW)
//
// Update item's text
//
m_aItems[N]->SetName(rsString);
#endif //USE_OWNER_DRAWN
} // end of wxListBox::SetString
void MainFrame::OnTreeSelectionChanged(wxTreeEvent &event) {
auto treeItemId = event.GetItem();
auto rootId = dirTree->GetRootItem();
auto currentFileEntry =
dynamic_cast<EntryItemData *>(dirTree->GetItemData(treeItemId))->Get();
auto gridPanel = dynamic_cast<wxScrolledWindow *>(splitter->GetWindow2());
if (loadThread) {
loadThread->Delete(nullptr, wxTHREAD_WAIT_BLOCK);
loadThread = nullptr;
}
gridPanel->Show(false);
auto grid = gridPanel->GetSizer();
grid->Clear(true);
std::vector<Entry *> loadEntries;
imgButtons.clear();
for (int i = 0; i < currentFileEntry->Count(); ++i) {
Entry *childEntry = (*currentFileEntry)[i];
if (childEntry->IsDirectory())
continue;
auto ext = childEntry->Name().AfterLast('.').Lower();
if (ext != "jpg" && ext != "jpeg" && ext != "png" && ext != "gif")
continue;
loadEntries.push_back(childEntry);
}
for (auto entry : loadEntries) {
auto button = new wxButton(gridPanel, wxID_ANY, "", wxDefaultPosition,
wxDefaultSize, wxBU_EXACTFIT);
imgButtons.push_back(button);
button->Bind(wxEVT_BUTTON, &MainFrame::OnImageButtonClick, this);
button->SetClientObject(new EntryItemData(entry));
button->SetMinSize({250, 250});
auto staticText = new wxStaticText(gridPanel, wxID_ANY, entry->Name());
staticText->SetMaxSize({250, 50});
auto btnSizer = new wxBoxSizer(wxVERTICAL);
btnSizer->Add(button, 0, wxEXPAND);
btnSizer->Add(staticText);
grid->Add(btnSizer, 0, wxALL | wxEXPAND, 5);
}
GetStatusBar()->SetStatusText(wxString::Format("Loading Thumbnail %i of %i",
1, (int)loadEntries.size()));
grid->FitInside(gridPanel);
gridPanel->Show(true);
gridPanel->Scroll(0, 0);
gridPanel->Refresh();
gridPanel->Update();
loadThread = new ThumbnailLoadThread(this, loadEntries, currentEntry);
loadThread->Run();
threadId = loadThread->GetId();
}
