+void wxDataViewHeaderWindowBase::SetColumnWidth(unsigned int n, int width)
+{
+ GetColumn(n)->m_width = width;
+ m_owner->m_clientArea->RecalculateDisplay();
+}
+
+void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
+{
+ wxWindow *parent = GetParent();
+ wxDataViewEvent le(type, parent->GetId());
+
+ le.SetEventObject(parent);
+ le.SetColumn(n);
+ le.SetDataViewColumn(GetColumn(n));
+ le.SetModel(GetOwner()->GetModel());
+
+ // for events created by wxDataViewHeaderWindow the
+ // row / value fields are not valid
+
+ parent->GetEventHandler()->ProcessEvent(le);
+}
+
+#if defined(__WXMSW__) && USE_NATIVE_HEADER_WINDOW
+
+// implemented in msw/window.cpp:
+void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win);
+void wxRemoveHandleAssociation(wxWindowMSW *win);
+
+// implemented in msw/listctrl.cpp:
+unsigned int wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
+
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow);
+
+bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
+ const wxPoint &pos, const wxSize &size,
+ const wxString &name )
+{
+ m_owner = parent;
+
+ if ( !CreateControl(parent, id, pos, size, 0, wxDefaultValidator, name) )
+ return false;
+
+ int x = pos.x == wxDefaultCoord ? 0 : pos.x,
+ y = pos.y == wxDefaultCoord ? 0 : pos.y,
+ w = size.x == wxDefaultCoord ? 1 : size.x,
+ h = size.y == wxDefaultCoord ? 22 : size.y;
+
+ // create the native WC_HEADER window:
+ WXHWND hwndParent = (HWND)parent->GetHandle();
+ WXDWORD msStyle = WS_CHILD | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
+ m_hWnd = CreateWindowEx(0,
+ WC_HEADER,
+ (LPCTSTR) NULL,
+ msStyle,
+ x, y, w, h,
+ (HWND)hwndParent,
+ (HMENU)-1,
+ wxGetInstance(),
+ (LPVOID) NULL);
+ if (m_hWnd == NULL)
+ {
+ wxLogLastError(_T("CreateWindowEx"));
+ return false;
+ }
+
+ // we need to do the association to force wxWindow::HandleNotify
+ // to call wxDataViewHeaderWindow::MSWOnNotify
+ wxAssociateWinWithHandle((HWND)m_hWnd, this);
+
+
+ RECT rcParent;
+ HDLAYOUT hdl;
+ WINDOWPOS wp;
+
+ // Retrieve the bounding rectangle of the parent window's
+ // client area, and then request size and position values
+ // from the header control.
+ ::GetClientRect((HWND)hwndParent, &rcParent);
+
+ hdl.prc = &rcParent;
+ hdl.pwpos = ℘
+ if (!SendMessage((HWND)m_hWnd, HDM_LAYOUT, 0, (LPARAM) &hdl))
+ {
+ wxLogLastError(_T("SendMessage"));
+ return false;
+ }
+
+ // Set the size, position, and visibility of the header control.
+ SetWindowPos((HWND)m_hWnd,
+ wp.hwndInsertAfter,
+ wp.x, wp.y,
+ wp.cx, wp.cy,
+ wp.flags | SWP_SHOWWINDOW);
+
+ // set our size hints: wxDataViewCtrl will put this wxWindow inside
+ // a wxBoxSizer and in order to avoid super-big header windows,
+ // we need to set our height as fixed
+ SetMinSize(wxSize(-1, wp.cy));
+ SetMaxSize(wxSize(-1, wp.cy));
+
+ // the following is required to get the default win's font for header windows
+ SetFont(GetFont());
+
+ return true;
+}
+
+wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
+{
+ wxRemoveHandleAssociation(this);
+}
+
+void wxDataViewHeaderWindowMSW::UpdateDisplay()
+{
+ // remove old columns
+ for (int i=0, max=Header_GetItemCount((HWND)m_hWnd); i < max; i++)
+ Header_DeleteItem((HWND)m_hWnd, 0);
+
+ // add the updated array of columns to the header control
+ unsigned int cols = GetOwner()->GetNumberOfColumns();
+ for (unsigned int i = 0; i < cols; i++)
+ {
+ wxDataViewColumn *col = GetColumn( i );
+ if (col->IsHidden())
+ continue; // don't add it!
+
+ HDITEM hdi;
+ hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
+ hdi.pszText = (WCHAR*) col->GetTitle().c_str();
+ hdi.cxy = col->GetWidth();
+ hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
+ hdi.fmt = HDF_LEFT | HDF_STRING;
+
+ SendMessage((HWND)m_hWnd, HDM_INSERTITEM, (WPARAM)i, (LPARAM)&hdi);
+ }
+}
+
+bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
+{
+ NMHDR *nmhdr = (NMHDR *)lParam;
+
+ // is it a message from the header?
+ if ( nmhdr->hwndFrom != (HWND)m_hWnd )
+ return wxWindow::MSWOnNotify(idCtrl, lParam, result);
+
+ NMHEADER *nmHDR = (NMHEADER *)nmhdr;
+ switch ( nmhdr->code )
+ {
+ case HDN_BEGINTRACK:
+ // user has started to resize a column:
+ // do we need to veto it?
+ if (!GetColumn(nmHDR->iItem)->IsResizeable())
+ {
+ // veto it!
+ *result = TRUE;
+ }
+ break;
+
+ case HDN_BEGINDRAG:
+ // user has started to reorder a column
+ break;
+
+ case HDN_ITEMCHANGED: // user is resizing a column
+ case HDN_ENDTRACK: // user has finished resizing a column
+ case HDN_ENDDRAG: // user has finished reordering a column
+
+ // update the width of the modified column:
+ if ((nmHDR->pitem->mask & HDI_WIDTH) != 0 &&
+ nmHDR->pitem != NULL)
+ SetColumnWidth(nmHDR->iItem, nmHDR->pitem->cxy);
+ break;
+
+ case HDN_ITEMCLICK:
+ {
+ wxEventType evt = nmHDR->iButton == 0 ?
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
+ wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
+ SendEvent(evt, nmHDR->iItem);
+ }
+ break;
+
+ case NM_RCLICK:
+ {
+ // NOTE: for some reason (i.e. for a bug in Windows)
+ // the HDN_ITEMCLICK notification is not sent on
+ // right clicks, so we need to handle NM_RCLICK
+
+ POINT ptClick;
+ unsigned int column =
+ wxMSWGetColumnClicked(nmhdr, &ptClick);
+
+ if (column != wxNOT_FOUND)
+ SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
+ column);
+ }
+ break;
+
+ case HDN_GETDISPINFOW:
+ // see wxListCtrl::MSWOnNotify for more info!
+ break;
+
+ case HDN_ITEMDBLCLICK:
+ {
+ unsigned int idx = nmHDR->iItem;
+ int w = GetOwner()->GetBestColumnWidth(idx);
+
+ // update the native control:
+ HDITEM hd;
+ ZeroMemory(&hd, sizeof(hd));
+ hd.mask = HDI_WIDTH;
+ hd.cxy = w;
+ Header_SetItem(GetHwnd(), idx, &hd);
+
+ // update the wxDataViewColumn class:
+ SetColumnWidth(idx, w);
+ }
+ break;
+
+ default:
+ return wxWindow::MSWOnNotify(idCtrl, lParam, result);
+ }
+
+ return true;
+}
+
+void wxDataViewHeaderWindowMSW::ScrollWindow(int WXUNUSED(dx), int WXUNUSED(dy),
+ const wxRect *WXUNUSED(rect))
+{
+ wxSize ourSz = GetClientSize();
+ wxSize ownerSz = m_owner->GetClientSize();
+
+ // where should the (logical) origin of this window be placed?
+ int x1 = 0, y1 = 0;
+ m_owner->CalcUnscrolledPosition(0, 0, &x1, &y1);
projects / wxWidgets.git / commitdiff
