]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/listctrl.cpp
fix for (too big) combobox height
[wxWidgets.git] / src / msw / listctrl.cpp
index d49a2877453a5a14b3eb37a67261d4ab9f47fda9..f747968d69dbb5ca8a96971fcc93a97ca32e02f6 100644 (file)
@@ -19,6 +19,7 @@
 
 #ifdef __GNUG__
     #pragma implementation "listctrl.h"
+    #pragma implementation "listctrlbase.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 
 #include "wx/msw/private.h"
 
-#if defined(__GNUWIN32__) && !defined(wxUSE_NORLANDER_HEADERS)
+#ifdef __GNUWIN32_OLD__
     #include "wx/msw/gnuwin32/extra.h"
 #else
     #include <commctrl.h>
 #endif
 
+#ifndef LVHT_ONITEM
+    #define LVHT_ONITEM \
+                (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON)
+#endif
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -56,20 +62,53 @@ static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, L
 // macros
 // ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
-    IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
-#endif // USE_SHARED_LIBRARY
+IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
 
 // ============================================================================
 // implementation
 // ============================================================================
 
+// ----------------------------------------------------------------------------
+// wxListEvent
+// ----------------------------------------------------------------------------
+
+void wxListEvent::CopyObject(wxObject& object_dest) const
+{
+    wxListEvent *obj = (wxListEvent *)&object_dest;
+
+    wxNotifyEvent::CopyObject(object_dest);
+
+    obj->m_code = m_code;
+    obj->m_itemIndex = m_itemIndex;
+    obj->m_oldItemIndex = m_oldItemIndex;
+    obj->m_col = m_col;
+    obj->m_cancelled = m_cancelled;
+    obj->m_pointDrag = m_pointDrag;
+    obj->m_item.m_mask = m_item.m_mask;
+    obj->m_item.m_itemId = m_item.m_itemId;
+    obj->m_item.m_col = m_item.m_col;
+    obj->m_item.m_state = m_item.m_state;
+    obj->m_item.m_stateMask = m_item.m_stateMask;
+    obj->m_item.m_text = m_item.m_text;
+    obj->m_item.m_image = m_item.m_image;
+    obj->m_item.m_data = m_item.m_data;
+    obj->m_item.m_format = m_item.m_format;
+    obj->m_item.m_width = m_item.m_width;
+
+    if ( m_item.HasAttributes() )
+    {
+        obj->m_item.SetTextColour(m_item.GetTextColour());
+        obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour());
+        obj->m_item.SetFont(m_item.GetFont());
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxListCtrl construction
 // ----------------------------------------------------------------------------
 
-wxListCtrl::wxListCtrl()
+void wxListCtrl::Init()
 {
     m_imageListNormal = NULL;
     m_imageListSmall = NULL;
@@ -77,6 +116,7 @@ wxListCtrl::wxListCtrl()
     m_baseStyle = 0;
     m_colCount = 0;
     m_textCtrl = NULL;
+    m_hasAnyAttr = FALSE;
 }
 
 bool wxListCtrl::Create(wxWindow *parent,
@@ -87,13 +127,10 @@ bool wxListCtrl::Create(wxWindow *parent,
                         const wxValidator& validator,
                         const wxString& name)
 {
-    m_imageListNormal = NULL;
-    m_imageListSmall = NULL;
-    m_imageListState = NULL;
-    m_textCtrl = NULL;
-    m_colCount = 0;
-
+#if wxUSE_VALIDATORS
     SetValidator(validator);
+#endif // wxUSE_VALIDATORS
+
     SetName(name);
 
     int x = pos.x;
@@ -202,9 +239,30 @@ void wxListCtrl::UpdateStyle()
     }
 }
 
+void wxListCtrl::FreeAllAttrs(bool dontRecreate)
+{
+    if ( m_hasAnyAttr )
+    {
+        for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
+        {
+            delete (wxListItemAttr *)node->Data();
+        }
+
+        m_attrs.Destroy();
+        if ( !dontRecreate )
+        {
+            m_attrs.Create(wxKEY_INTEGER, 1000);        // just as def ctor
+        }
+
+        m_hasAnyAttr = FALSE;
+    }
+}
+
 wxListCtrl::~wxListCtrl()
 {
-    if (m_textCtrl)
+    FreeAllAttrs(TRUE /* no need to recreate hash any more */);
+
+    if ( m_textCtrl )
     {
         m_textCtrl->UnsubclassWin();
         m_textCtrl->SetHWND(0);
@@ -364,14 +422,28 @@ long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
 // accessors
 // ----------------------------------------------------------------------------
 
-// Sets the background colour (GetBackgroundColour already implicit in
-// wxWindow class)
+// Sets the foreground, i.e. text, colour
+bool wxListCtrl::SetForegroundColour(const wxColour& col)
+{
+    if ( !wxWindow::SetForegroundColour(col) )
+        return FALSE;
+
+    ListView_SetTextColor(GetHwnd(), wxColourToRGB(col));
+
+    return TRUE;
+}
+
+// Sets the background colour
 bool wxListCtrl::SetBackgroundColour(const wxColour& col)
 {
     if ( !wxWindow::SetBackgroundColour(col) )
         return FALSE;
 
-    ListView_SetBkColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
+    // we set the same colour for both the "empty" background and the items
+    // background
+    COLORREF color = wxColourToRGB(col);
+    ListView_SetBkColor(GetHwnd(), color);
+    ListView_SetTextBkColor(GetHwnd(), color);
 
     return TRUE;
 }
@@ -482,13 +554,13 @@ bool wxListCtrl::SetColumnWidth(int col, int width)
 // visible area of the list control (list or report view)
 // or the total number of items in the list control (icon
 // or small icon view)
-int wxListCtrl::GetCountPerPage(void) const
+int wxListCtrl::GetCountPerPage() const
 {
     return ListView_GetCountPerPage(GetHwnd());
 }
 
 // Gets the edit control for editing labels.
-wxTextCtrl* wxListCtrl::GetEditControl(void) const
+wxTextCtrl* wxListCtrl::GetEditControl() const
 {
     return m_textCtrl;
 }
@@ -497,11 +569,7 @@ wxTextCtrl* wxListCtrl::GetEditControl(void) const
 bool wxListCtrl::GetItem(wxListItem& info) const
 {
     LV_ITEM lvItem;
-#ifdef __GNUWIN32__
-    memset(&lvItem, 0, sizeof(lvItem));
-#else
-    ZeroMemory(&lvItem, sizeof(lvItem)); // must set all fields to 0
-#endif
+    wxZeroMemory(lvItem);
 
     lvItem.iItem = info.m_itemId;
     lvItem.iSubItem = info.m_col;
@@ -549,6 +617,15 @@ bool wxListCtrl::SetItem(wxListItem& info)
 {
     LV_ITEM item;
     wxConvertToMSWListItem(this, info, item);
+
+    // check whether it has any custom attributes
+    if ( info.HasAttributes() )
+    {
+        m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
+        m_hasAnyAttr = TRUE;
+    }
+
     item.cchTextMax = 0;
     bool ok = ListView_SetItem(GetHwnd(), &item) != 0;
     if ( ok && (info.m_mask & wxLIST_MASK_IMAGE) )
@@ -710,7 +787,7 @@ bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos)
 }
 
 // Gets the number of items in the list control
-int wxListCtrl::GetItemCount(void) const
+int wxListCtrl::GetItemCount() const
 {
     return ListView_GetItemCount(GetHwnd());
 }
@@ -724,13 +801,13 @@ int wxListCtrl::GetItemSpacing(bool isSmall) const
 }
 
 // Gets the number of selected items in the list control
-int wxListCtrl::GetSelectedItemCount(void) const
+int wxListCtrl::GetSelectedItemCount() const
 {
     return ListView_GetSelectedCount(GetHwnd());
 }
 
 // Gets the text colour of the listview
-wxColour wxListCtrl::GetTextColour(void) const
+wxColour wxListCtrl::GetTextColour() const
 {
     COLORREF ref = ListView_GetTextColor(GetHwnd());
     wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
@@ -745,7 +822,7 @@ void wxListCtrl::SetTextColour(const wxColour& col)
 
 // Gets the index of the topmost visible item when in
 // list or report view
-long wxListCtrl::GetTopItem(void) const
+long wxListCtrl::GetTopItem() const
 {
     return (long) ListView_GetTopIndex(GetHwnd());
 }
@@ -1030,6 +1107,14 @@ long wxListCtrl::InsertItem(wxListItem& info)
     LV_ITEM item;
     wxConvertToMSWListItem(this, info, item);
 
+    // check whether it has any custom attributes
+    if ( info.HasAttributes() )
+    {
+        m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
+        m_hasAnyAttr = TRUE;
+    }
+
     return (long) ListView_InsertItem(GetHwnd(), & item);
 }
 
@@ -1123,8 +1208,10 @@ long wxListCtrl::InsertColumn(long col, wxListItem& item)
     return success;
 }
 
-long wxListCtrl::InsertColumn(long col, const wxString& heading, int format,
-        int width)
+long wxListCtrl::InsertColumn(long col,
+                              const wxString& heading,
+                              int format,
+                              int width)
 {
     wxListItem item;
     item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
@@ -1191,13 +1278,16 @@ bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
 
 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
+    // prepare the event
+    // -----------------
+
     wxListEvent event(wxEVT_NULL, m_windowId);
     wxEventType eventType = wxEVT_NULL;
-    NMHDR *hdr1 = (NMHDR *) lParam;
-    switch ( hdr1->code )
+    NMHDR *nmhdr = (NMHDR *)lParam;
+    switch ( nmhdr->code )
     {
         case LVN_BEGINRDRAG:
-        eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
+            eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
             // fall through
 
         case LVN_BEGINDRAG:
@@ -1232,38 +1322,45 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
 
         case LVN_DELETEALLITEMS:
-            // what's the sense of generating a wxWin event for this when
-            // it's absolutely not portable?
-#if 0
             eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
             event.m_itemIndex = -1;
-#endif // 0
 
-            // return TRUE to suppress all additional LVN_DELETEITEM
-            // notifications - this makes deleting all items from a list ctrl
-            // much faster
-            *result = TRUE;
-            return TRUE;
+            FreeAllAttrs();
+
+            break;
 
         case LVN_DELETEITEM:
             {
                 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
                 NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
                 event.m_itemIndex = hdr->iItem;
-                break;
+
+                if ( m_hasAnyAttr )
+                {
+                    delete (wxListItemAttr *)m_attrs.Delete(hdr->iItem);
+                }
             }
+            break;
+
         case LVN_ENDLABELEDIT:
             {
                 eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
-                wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
+                wxConvertFromMSWListItem(this, event.m_item, info->item);
                 if ( info->item.pszText == NULL || info->item.iItem == -1 )
-                    event.m_cancelled = TRUE;
-                break;
+                    return FALSE;
             }
-        case LVN_GETDISPINFO:
-                return FALSE;
+            break;
+
+        case LVN_SETDISPINFO:
+            {
+                eventType = wxEVT_COMMAND_LIST_SET_INFO;
+                LV_DISPINFO *info = (LV_DISPINFO *)lParam;
+                wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
+            }
+            break;
 
+        case LVN_GETDISPINFO:
                 // this provokes stack overflow: indeed, wxConvertFromMSWListItem()
                 // sends us WM_NOTIFY! As it doesn't do anything for now, just leave
                 // it out.
@@ -1278,6 +1375,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 break;
             }
 #endif // 0
+                return FALSE;
+
 
         case LVN_INSERTITEM:
             {
@@ -1286,6 +1385,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 event.m_itemIndex = hdr->iItem;
                 break;
             }
+
         case LVN_ITEMCHANGED:
             {
                 // This needs to be sent to wxListCtrl as a rather more
@@ -1341,7 +1441,18 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             }
 
             // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
-            eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
+            // if it happened on an item (and not on empty place)
+            {
+                NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
+                if ( hdr->iItem == -1 )
+                {
+                    // not on item
+                    return FALSE;
+                }
+
+                eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
+                event.m_itemIndex = hdr->iItem;
+            }
             break;
 
         case NM_RCLICK:
@@ -1358,20 +1469,12 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
             // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
             LV_HITTESTINFO lvhti;
-#ifdef __GNUWIN32__
-            memset(&lvhti,0,sizeof(LV_HITTESTINFO));
-#else
-            ZeroMemory(&lvhti, sizeof(LV_HITTESTINFO)); // must set all fields to 0
-#endif
+            wxZeroMemory(lvhti);
+
             ::GetCursorPos(&(lvhti.pt));
             ::ScreenToClient(GetHwnd(),&(lvhti.pt));
             if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
             {
-                // older headers don't have this symbol
-#ifndef LVHT_ONITEM
-    #define LVHT_ONITEM \
-                (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON)
-#endif
                 if ( lvhti.flags & LVHT_ONITEM )
                 {
                     eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
@@ -1381,54 +1484,152 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
         }
             break;
 
-        /*
-          case NM_MCLICK: // ***** THERE IS NO NM_MCLICK. Subclass anyone? ******
-          {
-          // if the user processes it in wxEVT_COMMAND_MIDDLE_CLICK(), don't do
-          // anything else
-          if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
-          {
-          return TRUE;
-          }
-
-          // else translate it into wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK event
-          eventType = wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK;
-          NMITEMACTIVATE* hdr = (NMITEMACTIVATE*)lParam;
-          event.m_itemIndex = hdr->iItem;
-          }
-          break;
-        */
+#if 0
+        case NM_MCLICK: // ***** THERE IS NO NM_MCLICK. Subclass anyone? ******
+            {
+                // if the user processes it in wxEVT_COMMAND_MIDDLE_CLICK(), don't do
+                // anything else
+                if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
+                {
+                    return TRUE;
+                }
 
-        case LVN_SETDISPINFO:
+                // else translate it into wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK event
+                eventType = wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK;
+                NMITEMACTIVATE* hdr = (NMITEMACTIVATE*)lParam;
+                event.m_itemIndex = hdr->iItem;
+            }
+            break;
+#endif // 0
+
+#if defined(_WIN32_IE) && _WIN32_IE >= 0x300
+        case NM_CUSTOMDRAW:
             {
-                eventType = wxEVT_COMMAND_LIST_SET_INFO;
-                LV_DISPINFO *info = (LV_DISPINFO *)lParam;
-                wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
-                break;
+                LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
+                NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
+                switch( nmcd.dwDrawStage )
+                {
+                    case CDDS_PREPAINT:
+                        // if we've got any items with non standard attributes,
+                        // notify us before painting each item
+                        *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
+                                               : CDRF_DODEFAULT;
+                        return TRUE;
+
+                    case CDDS_ITEMPREPAINT:
+                        {
+                            wxListItemAttr *attr =
+                                (wxListItemAttr *)m_attrs.Get(nmcd.dwItemSpec);
+
+                            if ( !attr )
+                            {
+                                // nothing to do for this item
+                                return CDRF_DODEFAULT;
+                            }
+
+                            HFONT hFont;
+                            wxColour colText, colBack;
+                            if ( attr->HasFont() )
+                            {
+                                wxFont font = attr->GetFont();
+                                hFont = (HFONT)font.GetResourceHandle();
+                            }
+                            else
+                            {
+                                hFont = 0;
+                            }
+
+                            if ( attr->HasTextColour() )
+                            {
+                                colText = attr->GetTextColour();
+                            }
+                            else
+                            {
+                                colText = GetTextColour();
+                            }
+
+                            if ( attr->HasBackgroundColour() )
+                            {
+                                colBack = attr->GetBackgroundColour();
+                            }
+                            else
+                            {
+                                colBack = GetBackgroundColour();
+                            }
+
+                            // note that if we wanted to set colours for
+                            // individual columns (subitems), we would have
+                            // returned CDRF_NOTIFYSUBITEMREDRAW from here
+                            if ( hFont )
+                            {
+                                ::SelectObject(nmcd.hdc, hFont);
+
+                                *result = CDRF_NEWFONT;
+                            }
+                            else
+                            {
+                                *result = CDRF_DODEFAULT;
+                            }
+
+                            lplvcd->clrText = wxColourToRGB(colText);
+                            lplvcd->clrTextBk = wxColourToRGB(colBack);
+
+                            return TRUE;
+                        }
+
+                    default:
+                        *result = CDRF_DODEFAULT;
+                        return TRUE;
+                }
             }
+            break;
+#endif // _WIN32_IE >= 0x300
 
         default:
             return wxControl::MSWOnNotify(idCtrl, lParam, result);
     }
 
+    // process the event
+    // -----------------
+
     event.SetEventObject( this );
     event.SetEventType(eventType);
 
     if ( !GetEventHandler()->ProcessEvent(event) )
         return FALSE;
 
-    if ( (int)hdr1->code == LVN_GETDISPINFO)
+    // post processing
+    // ---------------
+
+    switch ( (int)nmhdr->code )
     {
-        LV_DISPINFO *info = (LV_DISPINFO *)lParam;
-        if ( info->item.mask & LVIF_TEXT )
-        {
-            if ( !event.m_item.m_text.IsNull() )
+        case LVN_DELETEALLITEMS:
+            // always return TRUE to suppress all additional LVN_DELETEITEM
+            // notifications - this makes deleting all items from a list ctrl
+            // much faster
+            *result = TRUE;
+
+            return TRUE;
+
+        case LVN_GETDISPINFO:
             {
-                info->item.pszText = AddPool(event.m_item.m_text);
-                info->item.cchTextMax = wxStrlen(info->item.pszText) + 1;
+                LV_DISPINFO *info = (LV_DISPINFO *)lParam;
+                if ( info->item.mask & LVIF_TEXT )
+                {
+                    if ( !event.m_item.m_text.IsNull() )
+                    {
+                        info->item.pszText = AddPool(event.m_item.m_text);
+                        info->item.cchTextMax = wxStrlen(info->item.pszText) + 1;
+                    }
+                }
+                //    wxConvertToMSWListItem(this, event.m_item, info->item);
+                break;
+            }
+        case LVN_ENDLABELEDIT:
+            {
+                *result = event.IsAllowed();
+                return TRUE;
             }
-        }
-        //    wxConvertToMSWListItem(this, event.m_item, info->item);
     }
 
     *result = !event.IsAllowed();
@@ -1466,6 +1667,31 @@ wxListItem::wxListItem()
 
     m_format = wxLIST_FORMAT_CENTRE;
     m_width = 0;
+
+    m_attr = NULL;
+}
+
+void wxListItem::Clear()
+{
+    m_mask = 0;
+    m_itemId = 0;
+    m_col = 0;
+    m_state = 0;
+    m_stateMask = 0;
+    m_image = 0;
+    m_data = 0;
+    m_format = wxLIST_FORMAT_CENTRE;
+    m_width = 0;
+    m_text = wxEmptyString;
+
+    if (m_attr) delete m_attr;
+    m_attr = NULL;
+}
+
+void wxListItem::ClearAttributes()
+{
+    if (m_attr) delete m_attr;
+    m_attr = NULL;
 }
 
 static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem, HWND getFullInfo)