X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/26df5dd39a8c09397b19cd98ea51600af5a1dea4..96c9640205933ad0673d5af2c96af0816c50160c:/src/msw/listctrl.cpp

diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp
index 45e1d0c503..1b0a6c74ac 100644
--- a/src/msw/listctrl.cpp
+++ b/src/msw/listctrl.cpp
@@ -1333,6 +1333,29 @@ void wxListCtrl::AssignImageList(wxImageList *imageList, int which)
         m_ownsImageListState = true;
 }
 
+// ----------------------------------------------------------------------------
+// Geometry
+// ----------------------------------------------------------------------------
+
+wxSize wxListCtrl::MSWGetBestViewRect(int x, int y) const
+{
+    const DWORD rc = ListView_ApproximateViewRect(GetHwnd(), x, y, -1);
+
+    wxSize size(LOWORD(rc), HIWORD(rc));
+
+    // We have to add space for the scrollbars ourselves, they're not taken
+    // into account by ListView_ApproximateViewRect(), at least not with
+    // commctrl32.dll v6.
+    const DWORD mswStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+
+    if ( mswStyle & WS_HSCROLL )
+        size.y += wxSystemSettings::GetMetric(wxSYS_HSCROLL_Y);
+    if ( mswStyle & WS_VSCROLL )
+        size.x += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+
+    return size;
+}
+
 // ----------------------------------------------------------------------------
 // Operations
 // ----------------------------------------------------------------------------
@@ -1656,6 +1679,12 @@ long wxListCtrl::InsertItem(const wxListItem& info)
 {
     wxASSERT_MSG( !IsVirtual(), wxT("can't be used with virtual controls") );
 
+    // In 2.8 it was possible to succeed inserting an item without initializing
+    // its ID as it defaulted to 0. This was however never supported and in 2.9
+    // the ID is -1 by default and inserting it simply fails, but it might be
+    // not obvious why does it happen, so check it proactively.
+    wxASSERT_MSG( info.m_itemId != -1, wxS("Item ID must be set.") );
+
     LV_ITEM item;
     wxConvertToMSWListItem(this, info, item);
     item.mask &= ~LVIF_PARAM;
@@ -1730,12 +1759,19 @@ long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex)
 }
 
 // For list view mode (only), inserts a column.
-long wxListCtrl::InsertColumn(long col, const wxListItem& item)
+long wxListCtrl::DoInsertColumn(long col, const wxListItem& item)
 {
     LV_COLUMN lvCol;
     wxConvertToMSWListCol(GetHwnd(), col, item, lvCol);
 
-    if ( !(lvCol.mask & LVCF_WIDTH) )
+    // LVSCW_AUTOSIZE_USEHEADER is not supported when inserting new column,
+    // we'll deal with it below instead. Plain LVSCW_AUTOSIZE is not supported
+    // neither but it doesn't need any special handling as we use fixed value
+    // for it here, both because we can't do anything else (there are no items
+    // with values in this column to compute the size from yet) and for
+    // compatibility as wxLIST_AUTOSIZE == -1 and -1 as InsertColumn() width
+    // parameter used to mean "arbitrary fixed width".
+    if ( !(lvCol.mask & LVCF_WIDTH) || lvCol.cx < 0 )
     {
         // always give some width to the new column: this one is compatible
         // with the generic version
@@ -1744,35 +1780,23 @@ long wxListCtrl::InsertColumn(long col, const wxListItem& item)
     }
 
     long n = ListView_InsertColumn(GetHwnd(), col, &lvCol);
-    if ( n != -1 )
-    {
-        m_colCount++;
-    }
-    else // failed to insert?
+    if ( n == -1 )
     {
         wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
                    lvCol.pszText);
+        return -1;
     }
 
-    return n;
-}
+    m_colCount++;
 
-long wxListCtrl::InsertColumn(long col,
-                              const wxString& heading,
-                              int format,
-                              int width)
-{
-    wxListItem item;
-    item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
-    item.m_text = heading;
-    if ( width > -1 )
+    // Now adjust the new column size.
+    if ( (item.GetMask() & wxLIST_MASK_WIDTH) &&
+            (item.GetWidth() == wxLIST_AUTOSIZE_USEHEADER) )
     {
-        item.m_mask |= wxLIST_MASK_WIDTH;
-        item.m_width = width;
+        SetColumnWidth(n, wxLIST_AUTOSIZE_USEHEADER);
     }
-    item.m_format = format;
 
-    return InsertColumn(col, item);
+    return n;
 }
 
 // scroll the control by the given number of pixels (exception: in list view,