]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/listctrl.cpp
fixed FindOrCreatePen/Brush() for the case when the object couldn't be created succes...
[wxWidgets.git] / src / msw / listctrl.cpp
index f747968d69dbb5ca8a96971fcc93a97ca32e02f6..2180a542101d7c0a11e109dec0b485dfa997337b 100644 (file)
     #pragma hdrstop
 #endif
 
+#ifdef __WIN95__
+
 #ifndef WX_PRECOMP
-    #include "wx/wx.h"
+    #include "wx/app.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/settings.h"
 #endif
 
-#ifdef __WIN95__
-
+#include "wx/textctrl.h"
+#include "wx/imaglist.h"
 #include "wx/listctrl.h"
-#include "wx/log.h"
+#include "wx/dcclient.h"
 
 #include "wx/msw/private.h"
 
                 (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON)
 #endif
 
+#ifndef LVM_SETEXTENDEDLISTVIEWSTYLE
+    #define LVM_SETEXTENDEDLISTVIEWSTYLE (0x1000 + 54)
+#endif
+
+#ifndef LVS_EX_FULLROWSELECT
+    #define LVS_EX_FULLROWSELECT 0x00000020
+#endif
+
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -59,12 +72,33 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_
 static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem, HWND getFullInfo = 0);
 
 // ----------------------------------------------------------------------------
-// macros
+// 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)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
+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_ITEM_RIGHT_CLICK)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
+
 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
 
+BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
+    EVT_PAINT(wxListCtrl::OnPaint)
+END_EVENT_TABLE()
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -113,6 +147,7 @@ void wxListCtrl::Init()
     m_imageListNormal = NULL;
     m_imageListSmall = NULL;
     m_imageListState = NULL;
+    m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE;
     m_baseStyle = 0;
     m_colCount = 0;
     m_textCtrl = NULL;
@@ -196,20 +231,18 @@ bool wxListCtrl::DoCreateControl(int x, int y, int w, int h)
 
     if ( !m_hWnd )
     {
-        wxLogError(wxT("Can't create list control window."));
+        wxLogError(_("Can't create list control window, check that comctl32.dll is installed."));
 
         return FALSE;
     }
 
     // for comctl32.dll v 4.70+ we want to have this attribute because it's
     // prettier (and also because wxGTK does it like this)
-#ifdef ListView_SetExtendedListViewStyle
-    if ( wstyle & LVS_REPORT )
+    if ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 )
     {
-        ListView_SetExtendedListViewStyle(GetHwnd(),
-                                          LVS_EX_FULLROWSELECT);
+        ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE,
+                      0, LVS_EX_FULLROWSELECT);
     }
-#endif // ListView_SetExtendedListViewStyle
 
     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
     SetForegroundColour(GetParent()->GetForegroundColour());
@@ -269,6 +302,10 @@ wxListCtrl::~wxListCtrl()
         delete m_textCtrl;
         m_textCtrl = NULL;
     }
+    
+    if (m_ownsImageListNormal) delete m_imageListNormal;
+    if (m_ownsImageListSmall) delete m_imageListSmall;
+    if (m_ownsImageListState) delete m_imageListState;
 }
 
 // ----------------------------------------------------------------------------
@@ -588,6 +625,9 @@ bool wxListCtrl::GetItem(wxListItem& info) const
     if (info.m_mask & wxLIST_MASK_DATA)
         lvItem.mask |= LVIF_PARAM;
 
+    if (info.m_mask & wxLIST_MASK_IMAGE)
+        lvItem.mask |= LVIF_IMAGE;
+
     if ( info.m_mask & wxLIST_MASK_STATE )
     {
         lvItem.mask |= LVIF_STATE;
@@ -621,7 +661,15 @@ bool wxListCtrl::SetItem(wxListItem& info)
     // check whether it has any custom attributes
     if ( info.HasAttributes() )
     {
-        m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
+        wxListItemAttr *attr;
+        attr = (wxListItemAttr*) m_attrs.Get(item.iItem);
+
+        if (attr == NULL)
+
+            m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
+        else *attr = *info.GetAttributes();
 
         m_hasAnyAttr = TRUE;
     }
@@ -765,7 +813,7 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
     rect.x = rect2.left;
     rect.y = rect2.top;
     rect.width = rect2.right - rect2.left;
-    rect.height = rect2.bottom - rect2.left;
+    rect.height = rect2.bottom - rect2.top;
     return success;
 }
 
@@ -886,21 +934,38 @@ void wxListCtrl::SetImageList(wxImageList *imageList, int which)
     if ( which == wxIMAGE_LIST_NORMAL )
     {
         flags = LVSIL_NORMAL;
+        if (m_ownsImageListNormal) delete m_imageListNormal;
         m_imageListNormal = imageList;
+        m_ownsImageListNormal = FALSE;
     }
     else if ( which == wxIMAGE_LIST_SMALL )
     {
         flags = LVSIL_SMALL;
+        if (m_ownsImageListSmall) delete m_imageListSmall;
         m_imageListSmall = imageList;
+        m_ownsImageListSmall = FALSE;
     }
     else if ( which == wxIMAGE_LIST_STATE )
     {
         flags = LVSIL_STATE;
+        if (m_ownsImageListState) delete m_imageListState;
         m_imageListState = imageList;
+        m_ownsImageListState = FALSE;
     }
     ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
 }
 
+void wxListCtrl::AssignImageList(wxImageList *imageList, int which)
+{
+    SetImageList(imageList, which);
+    if ( which == wxIMAGE_LIST_NORMAL )
+        m_ownsImageListNormal = TRUE;
+    else if ( which == wxIMAGE_LIST_SMALL )
+        m_ownsImageListSmall = TRUE;
+    else if ( which == wxIMAGE_LIST_STATE )
+        m_ownsImageListState = TRUE;
+}
+
 // ----------------------------------------------------------------------------
 // Operations
 // ----------------------------------------------------------------------------
@@ -940,7 +1005,7 @@ bool wxListCtrl::DeleteAllColumns()
     {
         if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 )
         {
-            wxLogLastError("ListView_DeleteColumn");
+            wxLogLastError(wxT("ListView_DeleteColumn"));
 
             return FALSE;
         }
@@ -1028,10 +1093,15 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
 
     findInfo.flags = LVFI_STRING;
     if ( partial )
-        findInfo.flags |= LVFI_STRING;
-    findInfo.psz = WXSTRINGCAST str;
+        findInfo.flags |= LVFI_PARTIAL;
+    findInfo.psz = str;
 
-    return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
+    // 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
+    // inconsistent with the generic version - so we adjust the index
+    if (start != -1)
+        start --;
+    return ListView_FindItem(GetHwnd(), (int) start, &findInfo);
 }
 
 // Find an item whose data matches this data, starting from the item after 'start'
@@ -1110,7 +1180,15 @@ long wxListCtrl::InsertItem(wxListItem& info)
     // check whether it has any custom attributes
     if ( info.HasAttributes() )
     {
-        m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
+        wxListItemAttr *attr;
+        attr = (wxListItemAttr*) m_attrs.Get(item.iItem);
+
+        if (attr == NULL)
+
+            m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
+
+        else *attr = *info.GetAttributes();
 
         m_hasAnyAttr = TRUE;
     }
@@ -1283,7 +1361,15 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
     wxListEvent event(wxEVT_NULL, m_windowId);
     wxEventType eventType = wxEVT_NULL;
+
     NMHDR *nmhdr = (NMHDR *)lParam;
+
+    // almost all messages use NM_LISTVIEW
+    NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
+
+    // this is true for almost all events
+    event.m_item.m_data = nmLV->lParam;
+
     switch ( nmhdr->code )
     {
         case LVN_BEGINRDRAG:
@@ -1296,12 +1382,9 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
             }
 
-            {
-                NM_LISTVIEW *hdr = (NM_LISTVIEW *)lParam;
-                event.m_itemIndex = hdr->iItem;
-                event.m_pointDrag.x = hdr->ptAction.x;
-                event.m_pointDrag.y = hdr->ptAction.y;
-            }
+            event.m_itemIndex = nmLV->iItem;
+            event.m_pointDrag.x = nmLV->ptAction.x;
+            event.m_pointDrag.y = nmLV->ptAction.y;
             break;
 
         case LVN_BEGINLABELEDIT:
@@ -1309,17 +1392,14 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                 eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
                 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
                 wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
-                break;
             }
+            break;
 
         case LVN_COLUMNCLICK:
-            {
-                eventType = wxEVT_COMMAND_LIST_COL_CLICK;
-                NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
-                event.m_itemIndex = -1;
-                event.m_col = hdr->iSubItem;
-                break;
-            }
+            eventType = wxEVT_COMMAND_LIST_COL_CLICK;
+            event.m_itemIndex = -1;
+            event.m_col = nmLV->iSubItem;
+            break;
 
         case LVN_DELETEALLITEMS:
             eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
@@ -1330,15 +1410,12 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             break;
 
         case LVN_DELETEITEM:
-            {
-                eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
-                NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
-                event.m_itemIndex = hdr->iItem;
+            eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
+            event.m_itemIndex = nmLV->iItem;
 
-                if ( m_hasAnyAttr )
-                {
-                    delete (wxListItemAttr *)m_attrs.Delete(hdr->iItem);
-                }
+            if ( m_hasAnyAttr )
+            {
+                delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
             }
             break;
 
@@ -1379,33 +1456,28 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
 
         case LVN_INSERTITEM:
-            {
-                eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
-                NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
-                event.m_itemIndex = hdr->iItem;
-                break;
-            }
+            eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
+            event.m_itemIndex = nmLV->iItem;
+            break;
 
         case LVN_ITEMCHANGED:
+            // This needs to be sent to wxListCtrl as a rather more concrete
+            // event. For now, just detect a selection or deselection.
+            if ( (nmLV->uNewState & LVIS_SELECTED) && !(nmLV->uOldState & LVIS_SELECTED) )
             {
-                // This needs to be sent to wxListCtrl as a rather more
-                // concrete event. For now, just detect a selection
-                // or deselection.
-                NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
-                if ( (hdr->uNewState & LVIS_SELECTED) && !(hdr->uOldState & LVIS_SELECTED) )
-                {
-                    eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
-                    event.m_itemIndex = hdr->iItem;
-                }
-                else if ( !(hdr->uNewState & LVIS_SELECTED) && (hdr->uOldState & LVIS_SELECTED) )
-                {
-                    eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
-                    event.m_itemIndex = hdr->iItem;
-                }
-                else
-                    return FALSE;
-                break;
+                eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
+                event.m_itemIndex = nmLV->iItem;
             }
+            else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) )
+            {
+                eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
+                event.m_itemIndex = nmLV->iItem;
+            }
+            else
+            {
+                return FALSE;
+            }
+            break;
 
         case LVN_KEYDOWN:
             {
@@ -1429,8 +1501,15 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
                     eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
                     event.m_code = wxCharCodeMSWToWX(wVKey);
                 }
-                break;
+
+                if ( lItem != -1 )
+                {
+                    // fill the other fields too
+                    event.m_item.m_text = GetItemText(lItem);
+                    event.m_item.m_data = GetItemData(lItem);
+                }
             }
+            break;
 
         case NM_DBLCLK:
             // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
@@ -1442,46 +1521,49 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 
             // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
             // if it happened on an item (and not on empty place)
+            if ( nmLV->iItem == -1 )
             {
-                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;
+                // not on item
+                return FALSE;
             }
+
+            eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
+            event.m_itemIndex = nmLV->iItem;
+            event.m_item.m_text = GetItemText(nmLV->iItem);
+            event.m_item.m_data = GetItemData(nmLV->iItem);
             break;
 
         case NM_RCLICK:
-        /* TECH NOTE: NM_RCLICK isn't really good enough here. We want to
-           subclass and check for the actual WM_RBUTTONDOWN message, because
-           NM_RCLICK waits for the WM_RBUTTONUP message as well before firing off.
-           We want to have notify events for both down -and- up. */
-        {
-            // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(), don't do
-            // anything else
-            if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) {
-                return TRUE;
-            }
+            /* TECH NOTE: NM_RCLICK isn't really good enough here. We want to
+               subclass and check for the actual WM_RBUTTONDOWN message,
+               because NM_RCLICK waits for the WM_RBUTTONUP message as well
+               before firing off. We want to have notify events for both down
+               -and- up. */
+            {
+                // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(),
+                // don't do anything else
+                if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
+                {
+                    return TRUE;
+                }
 
-            // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
-            LV_HITTESTINFO lvhti;
-            wxZeroMemory(lvhti);
+                // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
+                LV_HITTESTINFO lvhti;
+                wxZeroMemory(lvhti);
 
-            ::GetCursorPos(&(lvhti.pt));
-            ::ScreenToClient(GetHwnd(),&(lvhti.pt));
-            if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
-            {
-                if ( lvhti.flags & LVHT_ONITEM )
+                ::GetCursorPos(&(lvhti.pt));
+                ::ScreenToClient(GetHwnd(),&(lvhti.pt));
+                if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
                 {
-                    eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
-                    event.m_itemIndex = lvhti.iItem;
+                    if ( lvhti.flags & LVHT_ONITEM )
+                    {
+                        eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
+                        event.m_itemIndex = lvhti.iItem;
+                        event.m_pointDrag.x = lvhti.pt.x;
+                        event.m_pointDrag.y = lvhti.pt.y;
+                    }
                 }
             }
-        }
             break;
 
 #if 0
@@ -1601,7 +1683,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     // post processing
     // ---------------
 
-    switch ( (int)nmhdr->code )
+    switch ( nmhdr->code )
     {
         case LVN_DELETEALLITEMS:
             // always return TRUE to suppress all additional LVN_DELETEITEM
@@ -1650,6 +1732,71 @@ wxChar *wxListCtrl::AddPool(const wxString& str)
     return (wxChar *)node->Data();
 }
 
+// Necessary for drawing hrules and vrules, if specified
+void wxListCtrl::OnPaint(wxPaintEvent& event)
+{
+    wxPaintDC dc(this);
+
+    wxControl::OnPaint(event);
+
+    // Reset the device origin since it may have been set
+    dc.SetDeviceOrigin(0, 0);
+
+    bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0);
+    bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0);
+
+    if (!drawHRules && !drawVRules)
+        return;
+    if ((GetWindowStyle() & wxLC_REPORT) == 0)
+        return;
+
+    wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
+    dc.SetPen(pen);
+    dc.SetBrush(* wxTRANSPARENT_BRUSH);
+
+    wxSize clientSize = GetClientSize();
+    wxRect itemRect;
+    int cy=0;
+
+    int itemCount = GetItemCount();
+    int i;
+    for (i = 0; i < itemCount; i++)
+    {
+        if (GetItemRect(i, itemRect))
+        {
+            cy = itemRect.GetTop();
+            if (i != 0) // Don't draw the first one
+            {
+                dc.DrawLine(0, cy, clientSize.x, cy);
+            }
+            // Draw last line
+            if (i == (GetItemCount() - 1))
+            {
+                cy = itemRect.GetBottom();
+                dc.DrawLine(0, cy, clientSize.x, cy);
+            }
+        }
+    }
+    i = (GetItemCount() - 1);
+    if (drawVRules && (i > -1))
+    {
+        wxRect firstItemRect;
+        GetItemRect(0, firstItemRect);
+
+        if (GetItemRect(i, itemRect))
+        {
+            int col;
+            int x = itemRect.GetX();
+            for (col = 0; col < GetColumnCount(); col++)
+            {
+                int colWidth = GetColumnWidth(col);
+                x += colWidth ;
+                dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
+            }
+        }
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxListItem
 // ----------------------------------------------------------------------------