]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/listctrl.cpp
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[wxWidgets.git] / src / msw / listctrl.cpp
index 6e8eba40b58b828e6f66d5933635dc8eafd112b4..b24838183283226dc834cf0cca3388f441774096 100644 (file)
 
 #if wxUSE_LISTCTRL
 
+#include "wx/listctrl.h"
+
 #ifndef WX_PRECOMP
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
     #include "wx/app.h"
     #include "wx/intl.h"
     #include "wx/log.h"
@@ -36,7 +39,6 @@
 #endif
 
 #include "wx/imaglist.h"
-#include "wx/listctrl.h"
 
 #include "wx/msw/private.h"
 
@@ -48,9 +50,6 @@
   #endif
 #endif
 
-// include <commctrl.h> "properly"
-#include "wx/msw/wrapcctl.h"
-
 // Currently gcc and watcom don't define NMLVFINDITEM, and DMC only defines
 // it by its old name NM_FINDTIEM.
 //
@@ -206,7 +205,7 @@ public:
    {
        if (attr)
            delete attr;
-   };
+   }
 
     DECLARE_NO_COPY_CLASS(wxListItemInternalData)
 };
@@ -218,35 +217,6 @@ static wxListItemAttr *wxGetInternalDataAttr(const wxListCtrl *ctl, long itemId)
 static void wxDeleteInternalData(wxListCtrl* ctl, long itemId);
 
 
-// ----------------------------------------------------------------------------
-// events
-// ----------------------------------------------------------------------------
-
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
-#if WXWIN_COMPATIBILITY_2_4
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
-#endif
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
-
 #if wxUSE_EXTENDED_RTTI
 WX_DEFINE_FLAGS( wxListCtrlStyle )
 
@@ -978,7 +948,7 @@ wxUIntPtr wxListCtrl::GetItemData(long item) const
 }
 
 // Sets the item data
-bool wxListCtrl::SetItemData(long item, long data)
+bool wxListCtrl::SetItemPtrData(long item, wxUIntPtr data)
 {
     wxListItem info;
 
@@ -1424,21 +1394,19 @@ bool wxListCtrl::EndEditLabel(bool cancel)
 {
     // m_textCtrl is not always ready, ie. in EVT_LIST_BEGIN_LABEL_EDIT
     HWND hwnd = ListView_GetEditControl(GetHwnd());
-    bool b = (hwnd != NULL);
-    if (b)
-    {
-        if (cancel)
-            ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing
-        if (m_textCtrl)
-        {
-            m_textCtrl->UnsubclassWin();
-            m_textCtrl->SetHWND(0);
-            delete m_textCtrl;
-            m_textCtrl = NULL;
-        }
-        ::DestroyWindow(hwnd);
-    }
-    return b;
+    if ( !hwnd )
+        return false;
+
+    if ( cancel )
+        ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing
+
+    // we shouldn't destroy the control ourselves according to MSDN, which
+    // proposes WM_CANCELMODE to do this, but it doesn't seem to work
+    //
+    // posting WM_CLOSE to it does seem to work without any side effects
+    ::PostMessage(hwnd, WM_CLOSE, 0, 0);
+
+    return true;
 }
 
 // Ensures this item is visible
@@ -1456,7 +1424,7 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
     findInfo.flags = LVFI_STRING;
     if ( partial )
         findInfo.flags |= LVFI_PARTIAL;
-    findInfo.psz = str;
+    findInfo.psz = str.wx_str();
 
     // ListView_FindItem() excludes the first item from search and to look
     // through all the items you need to start from -1 which is unnatural and
@@ -1763,8 +1731,27 @@ bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
 // message processing
 // ----------------------------------------------------------------------------
 
-bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
+bool wxListCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
 {
+    if ( msg->message == WM_KEYDOWN )
+    {
+        if ( msg->wParam == VK_RETURN )
+        {
+            // We need VK_RETURN to generate wxEVT_COMMAND_LIST_ITEM_ACTIVATED,
+            // but only if none of the modifiers is down.  We'll let normal
+            // accelerators handle those.
+            if ( !wxIsCtrlDown() && !wxIsCtrlDown() &&
+                 !((HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN))
+            return false;
+        }
+    }
+
+    return wxControl::MSWShouldPreProcessMessage(msg);
+}
+
+bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id_)
+{
+    const int id = (signed short)id_;
     if (cmd == EN_UPDATE)
     {
         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
@@ -1783,6 +1770,50 @@ bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
         return false;
 }
 
+// utility used by wxListCtrl::MSWOnNotify and by wxDataViewHeaderWindowMSW::MSWOnNotify
+int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick)
+{
+    wxASSERT(nmhdr && ptClick);
+
+    // find the column clicked: we have to search for it
+    // ourselves as the notification message doesn't provide
+    // this info
+
+    // where did the click occur?
+#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400
+    if (nmhdr->code == GN_CONTEXTMENU)
+    {
+        *ptClick = ((NMRGINFO*)nmhdr)->ptAction;
+    }
+    else
+#endif //__WXWINCE__
+    if ( !::GetCursorPos(ptClick) )
+    {
+        wxLogLastError(_T("GetCursorPos"));
+    }
+
+    if ( !::ScreenToClient(nmhdr->hwndFrom, ptClick) )
+    {
+        wxLogLastError(_T("ScreenToClient(header)"));
+    }
+
+    int colCount = Header_GetItemCount(nmhdr->hwndFrom);
+
+    RECT rect;
+    for ( int col = 0; col < colCount; col++ )
+    {
+        if ( Header_GetItemRect(nmhdr->hwndFrom, col, &rect) )
+        {
+            if ( ::PtInRect(&rect, *ptClick) )
+            {
+                return col;
+            }
+        }
+    }
+
+    return wxNOT_FOUND;
+}
+
 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
 
@@ -1850,47 +1881,12 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 #endif //__WXWINCE__
             case NM_RCLICK:
                 {
-                    eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
-                    event.m_col = -1;
-
-                    // find the column clicked: we have to search for it
-                    // ourselves as the notification message doesn't provide
-                    // this info
-
-                    // where did the click occur?
                     POINT ptClick;
-#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400
-                  if(nmhdr->code == GN_CONTEXTMENU) {
-                      ptClick = ((NMRGINFO*)nmhdr)->ptAction;
-                  } else
-#endif //__WXWINCE__
-                    if ( !::GetCursorPos(&ptClick) )
-                    {
-                        wxLogLastError(_T("GetCursorPos"));
-                    }
-
-                    if ( !::ScreenToClient(GetHwnd(), &ptClick) )
-                    {
-                        wxLogLastError(_T("ScreenToClient(listctrl header)"));
-                    }
 
+                    eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
+                    event.m_col = wxMSWGetColumnClicked(nmhdr, &ptClick);
                     event.m_pointDrag.x = ptClick.x;
                     event.m_pointDrag.y = ptClick.y;
-
-                    int colCount = Header_GetItemCount(hwndHdr);
-
-                    RECT rect;
-                    for ( int col = 0; col < colCount; col++ )
-                    {
-                        if ( Header_GetItemRect(hwndHdr, col, &rect) )
-                        {
-                            if ( ::PtInRect(&rect, ptClick) )
-                            {
-                                event.m_col = col;
-                                break;
-                            }
-                        }
-                    }
                 }
                 break;
 
@@ -1900,7 +1896,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 // parameters
                 //
                 // I have no idea what is the real cause of the bug (which is,
-                // just to make things interesting, is impossible to reproduce
+                // just to make things interesting, impossible to reproduce
                 // reliably) but ignoring all these messages does fix it and
                 // doesn't seem to have any negative consequences
                 return true;
@@ -1911,7 +1907,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     }
     else
 #endif // defined(HDN_BEGINTRACKA)
-        if ( nmhdr->hwndFrom == GetHwnd() )
+    if ( nmhdr->hwndFrom == GetHwnd() )
     {
         // almost all messages use NM_LISTVIEW
         NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
@@ -2043,16 +2039,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 wxDeleteInternalData(this, iItem);
                 break;
 
-#if WXWIN_COMPATIBILITY_2_4
-            case LVN_SETDISPINFO:
-                {
-                    eventType = wxEVT_COMMAND_LIST_SET_INFO;
-                    LV_DISPINFO *info = (LV_DISPINFO *)lParam;
-                    wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
-                }
-                break;
-#endif
-
             case LVN_INSERTITEM:
                 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
                 event.m_itemIndex = iItem;
@@ -2334,10 +2320,13 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     }
 #endif // NM_CUSTOMDRAW
 
-                    // a little dose of healthy paranoia: as we never use
-                    // LVM_SETCALLBACKMASK we're not supposed to get these ones
-                    wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
-                                  _T("we don't support state callbacks yet!") );
+                    // even though we never use LVM_SETCALLBACKMASK, we still
+                    // can get messages with LVIF_STATE in lvi.mask under Vista
+                    if ( lvi.mask & LVIF_STATE )
+                    {
+                        // we don't have anything to return from here...
+                        lvi.stateMask = 0;
+                    }
 
                     return true;
                 }
@@ -2429,22 +2418,23 @@ static RECT GetCustomDrawnItemRect(const NMCUSTOMDRAW& nmcd)
     return rc;
 }
 
-static void HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont)
+static
+bool HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont, int colCount)
 {
     NMCUSTOMDRAW& nmcd = pLVCD->nmcd;
 
     HDC hdc = nmcd.hdc;
     HWND hwndList = nmcd.hdr.hwndFrom;
+    const int col = pLVCD->iSubItem;
     const DWORD item = nmcd.dwItemSpec;
 
-
     // the font must be valid, otherwise we wouldn't be painting the item at all
     SelectInHDC selFont(hdc, hfont);
 
     // get the rectangle to paint
     RECT rc;
-    ListView_GetSubItemRect(hwndList, item, pLVCD->iSubItem, LVIR_BOUNDS, &rc);
-    if ( !pLVCD->iSubItem )
+    ListView_GetSubItemRect(hwndList, item, col, LVIR_BOUNDS, &rc);
+    if ( !col && colCount > 1 )
     {
         // broken ListView_GetSubItemRect() returns the entire item rect for
         // 0th subitem while we really need just the part for this column
@@ -2465,7 +2455,7 @@ static void HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont)
     wxZeroMemory(it);
     it.mask = LVIF_TEXT | LVIF_IMAGE;
     it.iItem = item;
-    it.iSubItem = pLVCD->iSubItem;
+    it.iSubItem = col;
     it.pszText = text;
     it.cchTextMax = WXSIZEOF(text);
     ListView_GetItem(hwndList, &it);
@@ -2495,12 +2485,38 @@ static void HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont)
 
     ::SetBkMode(hdc, TRANSPARENT);
 
-    // TODO: support for centred/right aligned columns
-    ::DrawText(hdc, text, -1, &rc,
+    UINT fmt = DT_SINGLELINE |
 #ifndef __WXWINCE__
                DT_WORD_ELLIPSIS |
 #endif // __WXWINCE__
-               DT_NOPREFIX | DT_SINGLELINE | DT_VCENTER);
+               DT_NOPREFIX |
+               DT_VCENTER;
+
+    LV_COLUMN lvCol;
+    wxZeroMemory(lvCol);
+    lvCol.mask = LVCF_FMT;
+    if ( ListView_GetColumn(hwndList, col, &lvCol) )
+    {
+        switch ( lvCol.fmt & LVCFMT_JUSTIFYMASK )
+        {
+            case LVCFMT_LEFT:
+                fmt |= DT_LEFT;
+                break;
+
+            case LVCFMT_CENTER:
+                fmt |= DT_CENTER;
+                break;
+
+            case LVCFMT_RIGHT:
+                fmt |= DT_RIGHT;
+                break;
+        }
+    }
+    //else: failed to get alignment, assume it's DT_LEFT (default)
+
+    DrawText(hdc, text, -1, &rc, fmt);
+
+    return true;
 }
 
 static void HandleItemPostpaint(NMCUSTOMDRAW nmcd)
@@ -2588,7 +2604,7 @@ static void HandleItemPaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont)
     for ( int col = 0; col < colCount; col++ )
     {
         pLVCD->iSubItem = col;
-        HandleSubItemPrepaint(pLVCD, hfont);
+        HandleSubItemPrepaint(pLVCD, hfont, colCount);
     }
 
     HandleItemPostpaint(nmcd);
@@ -2832,30 +2848,12 @@ void wxListCtrl::SetItemCount(long count)
 
 void wxListCtrl::RefreshItem(long item)
 {
-    // strangely enough, ListView_Update() results in much more flicker here
-    // than a dumb Refresh() -- why?
-#if 0
-    if ( !ListView_Update(GetHwnd(), item) )
-    {
-        wxLogLastError(_T("ListView_Update"));
-    }
-#else // 1
-    wxRect rect;
-    GetItemRect(item, rect);
-    RefreshRect(rect);
-#endif // 0/1
+    RefreshItems(item, item);
 }
 
 void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
 {
-    wxRect rect1, rect2;
-    GetItemRect(itemFrom, rect1);
-    GetItemRect(itemTo, rect2);
-
-    wxRect rect = rect1;
-    rect.height = rect2.GetBottom() - rect1.GetTop();
-
-    RefreshRect(rect);
+    ListView_RedrawItems(GetHwnd(), itemFrom, itemTo);
 }
 
 // ----------------------------------------------------------------------------
@@ -3052,7 +3050,7 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl,
         else
         {
             // pszText is not const, hence the cast
-            lvItem.pszText = (wxChar *)info.m_text.c_str();
+            lvItem.pszText = (wxChar *)info.m_text.wx_str();
             if ( lvItem.pszText )
                 lvItem.cchTextMax = info.m_text.length();
             else
@@ -3073,7 +3071,7 @@ static void wxConvertToMSWListCol(HWND hwndList,
     if ( item.m_mask & wxLIST_MASK_TEXT )
     {
         lvCol.mask |= LVCF_TEXT;
-        lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe
+        lvCol.pszText = (wxChar *)item.m_text.wx_str(); // cast is safe
     }
 
     if ( item.m_mask & wxLIST_MASK_FORMAT )