// Name: src/msw/listctrl.cpp
// Purpose: wxListCtrl
// Author: Julian Smart
-// Modified by:
+// Modified by: Agron Selimaj
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "listctrl.h"
- #pragma implementation "listctrlbase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
-#if wxUSE_LISTCTRL && defined(__WIN95__)
+#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"
#include "wx/settings.h"
+ #include "wx/dcclient.h"
+ #include "wx/textctrl.h"
#endif
-#include "wx/textctrl.h"
#include "wx/imaglist.h"
-#include "wx/listctrl.h"
-#include "wx/dcclient.h"
#include "wx/msw/private.h"
#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.
+//
+#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(NMLVFINDITEM)
+ #define HAVE_NMLVFINDITEM 1
+#elif defined(__DMC__) || defined(NM_FINDITEM)
+ #define HAVE_NMLVFINDITEM 1
+ #define NMLVFINDITEM NM_FINDITEM
+#endif
// ----------------------------------------------------------------------------
// private functions
/* const */ LV_ITEM& lvItem);
// convert our wxListItem to LV_COLUMN
-static void wxConvertToMSWListCol(int col, const wxListItem& item,
+static void wxConvertToMSWListCol(HWND hwndList,
+ int col,
+ const wxListItem& item,
LV_COLUMN& lvCol);
+namespace
+{
+
+// replacement for ListView_GetSubItemRect() which provokes warnings like
+// "the address of 'rc' will always evaluate as 'true'" when used with mingw32
+// 4.3+
+//
+// this function does no error checking on item and subitem parameters, notice
+// that subitem is 0 for whole item or 1-based for the individual columns
+inline bool
+wxGetListCtrlSubItemRect(HWND hwnd, int item, int subitem, int flags, RECT& rect)
+{
+ rect.top = subitem;
+ rect.left = flags;
+ return ::SendMessage(hwnd, LVM_GETSUBITEMRECT, item, (LPARAM)&rect) != 0;
+}
+
+inline bool
+wxGetListCtrlItemRect(HWND hwnd, int item, int flags, RECT& rect)
+{
+ return wxGetListCtrlSubItemRect(hwnd, item, 0, flags, rect);
+}
+
+} // anonymous namespace
+
// ----------------------------------------------------------------------------
// private helper classes
// ----------------------------------------------------------------------------
}
// init with conversion
- void Init(LV_ITEM_OTHER& item)
+ void Init(const LV_ITEM_OTHER& item)
{
// avoid unnecessary dynamic memory allocation, jjust make m_pItem
// point to our own m_item
// memcpy() can't work if the struct sizes are different
wxCOMPILE_TIME_ASSERT( sizeof(LV_ITEM_OTHER) == sizeof(LV_ITEM_NATIVE),
- CodeCantWorkIfDiffSizes);
+ CodeCantWorkIfDiffSizes);
memcpy(&m_item, &item, sizeof(LV_ITEM_NATIVE));
//
// Solution:
// Under MSW the only way to associate data with a List
-// item independant of its position in the list is to
+// item independent of its position in the list is to
// store a pointer to it in its lParam attribute. However
// user programs are already using this (via the
// SetItemData() GetItemData() calls).
{
if (attr)
delete attr;
- };
+ }
DECLARE_NO_COPY_CLASS(wxListItemInternalData)
};
// Get the internal data structure
static wxListItemInternalData *wxGetInternalData(HWND hwnd, long itemId);
static wxListItemInternalData *wxGetInternalData(const wxListCtrl *ctl, long itemId);
-static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId);
+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)
-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_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 )
wxCONSTRUCTOR_5( wxListCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
/*
- TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo)
+ TODO : Expose more information of a list's layout etc. via appropriate objects (a la NotebookPageInfo)
*/
#else
IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
return false;
- if ( !MSWCreateControl(WC_LISTVIEW, _T(""), pos, size) )
+ if ( !MSWCreateControl(WC_LISTVIEW, wxEmptyString, pos, size) )
return false;
// explicitly say that we want to use Unicode because otherwise we get ANSI
// versions of _some_ messages (notably LVN_GETDISPINFOA) in MSLU build
wxSetCCUnicodeFormat(GetHwnd());
- // for comctl32.dll v 4.70+ we want to have this attribute because it's
- // prettier (and also because wxGTK does it like this)
- if ( InReportView() && wxTheApp->GetComCtl32Version() >= 470 )
- {
- ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE,
- 0, LVS_EX_FULLROWSELECT);
- }
+ // We must set the default text colour to the system/theme color, otherwise
+ // GetTextColour will always return black
+ SetTextColour(GetDefaultAttributes().colFg);
+
+ if ( InReportView() )
+ MSWSetExListStyles();
return true;
}
+void wxListCtrl::MSWSetExListStyles()
+{
+ // for comctl32.dll v 4.70+ we want to have some non default extended
+ // styles because it's prettier (and also because wxGTK does it like this)
+ if ( wxApp::GetComCtl32Version() >= 470 )
+ {
+ ::SendMessage
+ (
+ GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, 0,
+ // LVS_EX_LABELTIP shouldn't be used under Windows CE where it's
+ // not defined in the SDK headers
+#ifdef LVS_EX_LABELTIP
+ LVS_EX_LABELTIP |
+#endif
+ LVS_EX_FULLROWSELECT |
+ LVS_EX_SUBITEMIMAGES |
+ // normally this should be governed by a style as it's probably not
+ // always appropriate, but we don't have any free styles left and
+ // it seems better to enable it by default than disable
+ LVS_EX_HEADERDRAGDROP
+ );
+ }
+}
+
WXDWORD wxListCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
{
WXDWORD wstyle = wxControl::MSWGetStyle(style, exstyle);
#if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
if ( style & wxLC_VIRTUAL )
{
- int ver = wxTheApp->GetComCtl32Version();
+ int ver = wxApp::GetComCtl32Version();
if ( ver < 470 )
{
wxLogWarning(_("Please install a newer version of comctl32.dll\n(at least version 4.70 is required but you have %d.%02d)\nor this program won't operate correctly."),
// The new window view style
DWORD dwStyleNew = MSWGetStyle(m_windowStyle, NULL);
+ // some styles are not returned by MSWGetStyle()
+ if ( IsShown() )
+ dwStyleNew |= WS_VISIBLE;
+
// Get the current window style.
DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+ // we don't have wxVSCROLL style, but the list control may have it,
+ // don't change it then
+ dwStyleNew |= dwStyleOld & (WS_HSCROLL | WS_VSCROLL);
+
// Only set the window style if the view bits have changed.
if ( dwStyleOld != dwStyleNew )
{
::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew);
+
+ // if we switched to the report view, set the extended styles for
+ // it too
+ if ( !(dwStyleOld & LVS_REPORT) && (dwStyleNew & LVS_REPORT) )
+ MSWSetExListStyles();
}
}
}
}
}
-wxListCtrl::~wxListCtrl()
+void wxListCtrl::DeleteEditControl()
{
- FreeAllInternalData();
-
if ( m_textCtrl )
{
m_textCtrl->UnsubclassWin();
delete m_textCtrl;
m_textCtrl = NULL;
}
+}
- if (m_ownsImageListNormal) delete m_imageListNormal;
- if (m_ownsImageListSmall) delete m_imageListSmall;
- if (m_ownsImageListState) delete m_imageListState;
+wxListCtrl::~wxListCtrl()
+{
+ FreeAllInternalData();
+
+ DeleteEditControl();
+
+ if (m_ownsImageListNormal)
+ delete m_imageListNormal;
+ if (m_ownsImageListSmall)
+ delete m_imageListSmall;
+ if (m_ownsImageListState)
+ delete m_imageListState;
}
// ----------------------------------------------------------------------------
flag = flag & ~wxLC_MASK_SORT;
}
- if ( flag & style )
- {
- if ( !add )
- flag -= style;
- }
+ if ( add )
+ flag |= style;
else
- {
- if ( add )
- {
- flag |= style;
- }
- }
-
- m_windowStyle = flag;
+ flag &= ~style;
- UpdateStyle();
+ SetWindowStyleFlag(flag);
}
// Set the whole window style
void wxListCtrl::SetWindowStyleFlag(long flag)
{
- m_windowStyle = flag;
+ if ( flag != m_windowStyle )
+ {
+ wxControl::SetWindowStyleFlag(flag);
+
+ UpdateStyle();
- UpdateStyle();
+ Refresh();
+ }
}
// ----------------------------------------------------------------------------
}
// Sets information about this column
-bool wxListCtrl::SetColumn(int col, wxListItem& item)
+bool wxListCtrl::SetColumn(int col, const wxListItem& item)
{
LV_COLUMN lvCol;
- wxConvertToMSWListCol(col, item, lvCol);
+ wxConvertToMSWListCol(GetHwnd(), col, item, lvCol);
return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0;
}
// Sets the column width
bool wxListCtrl::SetColumnWidth(int col, int width)
{
- int col2 = col;
if ( m_windowStyle & wxLC_LIST )
- col2 = -1;
+ col = 0;
+
+ if ( width == wxLIST_AUTOSIZE)
+ width = LVSCW_AUTOSIZE;
+ else if ( width == wxLIST_AUTOSIZE_USEHEADER)
+ width = LVSCW_AUTOSIZE_USEHEADER;
+
+ return ListView_SetColumnWidth(GetHwnd(), col, width) != 0;
+}
+
+// ----------------------------------------------------------------------------
+// columns order
+// ----------------------------------------------------------------------------
+
+int wxListCtrl::GetColumnOrder(int col) const
+{
+ const int numCols = GetColumnCount();
+ wxCHECK_MSG( col >= 0 && col < numCols, -1, _T("Col index out of bounds") );
- int width2 = width;
- if ( width2 == wxLIST_AUTOSIZE)
- width2 = LVSCW_AUTOSIZE;
- else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
- width2 = LVSCW_AUTOSIZE_USEHEADER;
+ wxArrayInt indexArray(numCols);
- return ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0;
+ if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) )
+ return -1;
+
+ return indexArray[col];
+}
+
+int wxListCtrl::GetColumnIndexFromOrder(int order) const
+{
+ const int numCols = GetColumnCount();
+ wxASSERT_MSG( order >= 0 && order < numCols, _T("Col order out of bounds") );
+
+ wxArrayInt indexArray(numCols);
+
+ if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) )
+ return -1;
+
+ for ( int col = 0; col < numCols; col++ )
+ {
+ if ( indexArray[col] == order )
+ return col;
+ }
+
+ wxFAIL_MSG( _T("no column with with given order?") );
+
+ return -1;
}
+// Gets the column order for all columns
+wxArrayInt wxListCtrl::GetColumnsOrder() const
+{
+ const int numCols = GetColumnCount();
+
+ wxArrayInt orders(numCols);
+ if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &orders[0]) )
+ orders.clear();
+
+ return orders;
+}
+
+// Sets the column order for all columns
+bool wxListCtrl::SetColumnsOrder(const wxArrayInt& orders)
+{
+ const int numCols = GetColumnCount();
+
+ wxCHECK_MSG( orders.size() == (size_t)numCols, false,
+ _T("wrong number of elements in column orders array") );
+
+ return ListView_SetColumnOrderArray(GetHwnd(), numCols, &orders[0]) != 0;
+}
+
+
// Gets the number of items that can fit vertically in the
// visible area of the list control (list or report view)
// or the total number of items in the list control (icon
// Gets the edit control for editing labels.
wxTextCtrl* wxListCtrl::GetEditControl() const
{
+ // first check corresponds to the case when the label editing was started
+ // by user and hence m_textCtrl wasn't created by EditLabel() at all, while
+ // the second case corresponds to us being called from inside EditLabel()
+ // (e.g. from a user wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT handler): in this
+ // case EditLabel() did create the control but it didn't have an HWND to
+ // initialize it with yet
+ if ( !m_textCtrl || !m_textCtrl->GetHWND() )
+ {
+ HWND hwndEdit = ListView_GetEditControl(GetHwnd());
+ if ( hwndEdit )
+ {
+ wxListCtrl * const self = wx_const_cast(wxListCtrl *, this);
+
+ if ( !m_textCtrl )
+ self->m_textCtrl = new wxTextCtrl;
+ self->InitEditControl((WXHWND)hwndEdit);
+ }
+ }
+
return m_textCtrl;
}
if ( info.m_mask & wxLIST_MASK_STATE )
{
lvItem.mask |= LVIF_STATE;
- // the other bits are hardly interesting anyhow
- lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
+ wxConvertToMSWFlags(0, info.m_stateMask, lvItem);
}
bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0;
// Sets information about the item
bool wxListCtrl::SetItem(wxListItem& info)
{
+ const long id = info.GetId();
+ wxCHECK_MSG( id >= 0 && id < GetItemCount(), false,
+ _T("invalid item index in SetItem") );
+
LV_ITEM item;
wxConvertToMSWListItem(this, info, item);
{
// get internal item data
// perhaps a cache here ?
- wxListItemInternalData *data = wxGetInternalData(this, info.m_itemId);
+ wxListItemInternalData *data = wxGetInternalData(this, id);
if (! data)
{
data->lParam = info.m_data;
// attributes
- if (info.HasAttributes())
+ if ( info.HasAttributes() )
{
- if (data->attr)
- *data->attr = *info.GetAttributes();
+ const wxListItemAttr& attrNew = *info.GetAttributes();
+
+ // don't overwrite the already set attributes if we have them
+ if ( data->attr )
+ data->attr->AssignFrom(attrNew);
else
- data->attr = new wxListItemAttr(*info.GetAttributes());
+ data->attr = new wxListItemAttr(attrNew);
};
};
wxConvertToMSWFlags(state, stateMask, lvItem);
+ const bool changingFocus = (stateMask & wxLIST_STATE_FOCUSED) &&
+ (state & wxLIST_STATE_FOCUSED);
+
// for the virtual list controls we need to refresh the previously focused
// item manually when changing focus without changing selection
// programmatically because otherwise it keeps its focus rectangle until
// next repaint (yet another comctl32 bug)
long focusOld;
- if ( IsVirtual() &&
- (stateMask & wxLIST_STATE_FOCUSED) &&
- (state & wxLIST_STATE_FOCUSED) )
+ if ( IsVirtual() && changingFocus )
{
focusOld = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_FOCUSED);
}
}
}
+ // we expect the selection anchor, i.e. the item from which multiple
+ // selection (such as performed with e.g. Shift-arrows) starts, to be the
+ // same as the currently focused item but the native control doesn't update
+ // it when we change focus and leaves at the last item it set itself focus
+ // to, so do it explicitly
+ if ( changingFocus && !HasFlag(wxLC_SINGLE_SEL) )
+ {
+ ListView_SetSelectionMark(GetHwnd(), item);
+ }
+
return true;
}
// Sets the item image
bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage))
+{
+ return SetItemColumnImage(item, 0, image);
+}
+
+// Sets the item image
+bool wxListCtrl::SetItemColumnImage(long item, long column, int image)
{
wxListItem info;
info.m_mask = wxLIST_MASK_IMAGE;
info.m_image = image;
info.m_itemId = item;
+ info.m_col = column;
return SetItem(info);
}
}
// Gets the item data
-long wxListCtrl::GetItemData(long item) const
+wxUIntPtr wxListCtrl::GetItemData(long item) const
{
wxListItem info;
}
// Sets the item data
-bool wxListCtrl::SetItemData(long item, long data)
+bool wxListCtrl::SetItemPtrData(long item, wxUIntPtr data)
{
wxListItem info;
wxRect wxListCtrl::GetViewRect() const
{
- wxASSERT_MSG( !HasFlag(wxLC_REPORT | wxLC_LIST),
- _T("wxListCtrl::GetViewRect() only works in icon mode") );
+ wxRect rect;
- RECT rc;
- if ( !ListView_GetViewRect(GetHwnd(), &rc) )
+ // ListView_GetViewRect() can only be used in icon and small icon views
+ // (this is documented in MSDN and, indeed, it returns bogus results in
+ // report view, at least with comctl32.dll v6 under Windows 2003)
+ if ( HasFlag(wxLC_ICON | wxLC_SMALL_ICON) )
{
- wxLogDebug(_T("ListView_GetViewRect() failed."));
+ RECT rc;
+ if ( !ListView_GetViewRect(GetHwnd(), &rc) )
+ {
+ wxLogDebug(_T("ListView_GetViewRect() failed."));
- wxZeroMemory(rc);
+ wxZeroMemory(rc);
+ }
+
+ wxCopyRECTToRect(rc, rect);
}
+ else if ( HasFlag(wxLC_REPORT) )
+ {
+ const long count = GetItemCount();
+ if ( count )
+ {
+ GetItemRect(wxMin(GetTopItem() + GetCountPerPage(), count - 1), rect);
- wxRect rect;
- wxCopyRECTToRect(rc, rect);
+ // extend the rectangle to start at the top (we include the column
+ // headers, if any, for compatibility with the generic version)
+ rect.height += rect.y;
+ rect.y = 0;
+ }
+ }
+ else
+ {
+ wxFAIL_MSG( _T("not implemented in this mode") );
+ }
return rect;
}
// Gets the item rectangle
bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
{
- RECT rectWin;
+ return GetSubItemRect( item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code) ;
+}
+
+/*!
+ * Retrieve coordinates and size of a specified subitem of a listview control.
+ * This function only works if the listview control is in the report mode.
+ *
+ * @param item : Item number
+ * @param subItem : Subitem or column number, use -1 for the whole row including
+ * all columns or subitems
+ * @param rect : A pointer to an allocated wxRect object
+ * @param code : Specify the part of the subitem coordinates you need. Choices are
+ * wxLIST_RECT_BOUNDS, wxLIST_RECT_ICON, wxLIST_RECT_LABEL
+ *
+ * @return bool : True if successful.
+ */
+bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) const
+{
+ // ListView_GetSubItemRect() doesn't do subItem error checking and returns
+ // true even for the out of range values of it (even if the results are
+ // completely bogus in this case), so we check item validity ourselves
+ wxCHECK_MSG( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ||
+ (subItem >= 0 && subItem < GetColumnCount()),
+ false, _T("invalid sub item index") );
int codeWin;
if ( code == wxLIST_RECT_BOUNDS )
codeWin = LVIR_LABEL;
else
{
- wxFAIL_MSG( _T("incorrect code in GetItemRect()") );
-
+ wxFAIL_MSG( _T("incorrect code in GetItemRect() / GetSubItemRect()") );
codeWin = LVIR_BOUNDS;
}
- bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0;
+ RECT rectWin;
+ if ( !wxGetListCtrlSubItemRect
+ (
+ GetHwnd(),
+ item,
+ subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ? 0 : subItem,
+ codeWin,
+ rectWin
+ ) )
+ {
+ return false;
+ }
- rect.x = rectWin.left;
- rect.y = rectWin.top;
- rect.width = rectWin.right - rectWin.left;
- rect.height = rectWin.bottom - rectWin.top;
+ wxCopyRECTToRect(rectWin, rect);
- return success;
+ // for the first sub item, i.e. the main item itself, the returned rect is
+ // the whole line one, we need to truncate it at first column ourselves
+ rect.width = GetColumnWidth(0);
+
+ return true;
}
+
+
+
// Gets the item position
bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const
{
return wxSize(LOWORD(spacing), HIWORD(spacing));
}
+#if WXWIN_COMPATIBILITY_2_6
+
int wxListCtrl::GetItemSpacing(bool isSmall) const
{
return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall);
}
+#endif // WXWIN_COMPATIBILITY_2_6
+
void wxListCtrl::SetItemTextColour( long item, const wxColour &col )
{
wxListItem info;
return col;
}
+void wxListCtrl::SetItemFont( long item, const wxFont &f )
+{
+ wxListItem info;
+ info.m_itemId = item;
+ info.SetFont( f );
+ SetItem( info );
+}
+
+wxFont wxListCtrl::GetItemFont( long item ) const
+{
+ wxFont f;
+ wxListItemInternalData *data = wxGetInternalData(this, item);
+ if ( data && data->attr )
+ f = data->attr->GetFont();
+
+ return f;
+}
+
// Gets the number of selected items in the list control
int wxListCtrl::GetSelectedItemCount() const
{
m_imageListState = imageList;
m_ownsImageListState = false;
}
- ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
+ (void) ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
}
void wxListCtrl::AssignImageList(wxImageList *imageList, int which)
return false;
}
- m_count -= 1;
+ m_count--;
wxASSERT_MSG( m_count == ListView_GetItemCount(GetHwnd()),
wxT("m_count should match ListView_GetItemCount"));
// Deletes all items
bool wxListCtrl::DeleteAllItems()
{
- FreeAllInternalData();
return ListView_DeleteAllItems(GetHwnd()) != 0;
}
DeleteAllColumns();
}
+void wxListCtrl::InitEditControl(WXHWND hWnd)
+{
+ m_textCtrl->SetHWND(hWnd);
+ m_textCtrl->SubclassWin(hWnd);
+ m_textCtrl->SetParent(this);
+
+ // we must disallow TABbing away from the control while the edit contol is
+ // shown because this leaves it in some strange state (just try removing
+ // this line and then pressing TAB while editing an item in listctrl
+ // inside a panel)
+ m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | wxTE_PROCESS_TAB);
+}
+
wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
{
- wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) );
+ wxCHECK_MSG( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)), NULL,
+ "control used for label editing must be a wxTextCtrl" );
// ListView_EditLabel requires that the list has focus.
SetFocus();
+ // create m_textCtrl here before calling ListView_EditLabel() because it
+ // generates wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT event from inside it and
+ // the user handler for it can call GetEditControl() resulting in an on
+ // demand creation of a stock wxTextCtrl instead of the control of a
+ // (possibly) custom wxClassInfo
+ DeleteEditControl();
+ m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
+
WXHWND hWnd = (WXHWND) ListView_EditLabel(GetHwnd(), item);
if ( !hWnd )
{
// failed to start editing
- return NULL;
- }
-
- // [re]create the text control wrapping the HWND we got
- if ( m_textCtrl )
- {
- m_textCtrl->UnsubclassWin();
- m_textCtrl->SetHWND(0);
delete m_textCtrl;
- }
+ m_textCtrl = NULL;
- m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject();
- m_textCtrl->SetHWND(hWnd);
- m_textCtrl->SubclassWin(hWnd);
- m_textCtrl->SetParent(this);
+ return NULL;
+ }
- // we must disallow TABbing away from the control while the edit contol is
- // shown because this leaves it in some strange state (just try removing
- // this line and then pressing TAB while editing an item in listctrl
- // inside a panel)
- m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | wxTE_PROCESS_TAB);
+ // if GetEditControl() hasn't been called, we need to initialize the edit
+ // control ourselves
+ if ( !m_textCtrl->GetHWND() )
+ InitEditControl(hWnd);
return m_textCtrl;
}
// End label editing, optionally cancelling the edit
-bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel))
+bool wxListCtrl::EndEditLabel(bool cancel)
{
- wxFAIL_MSG( _T("not implemented") );
+ // m_textCtrl is not always ready, ie. in EVT_LIST_BEGIN_LABEL_EDIT
+ HWND hwnd = ListView_GetEditControl(GetHwnd());
+ if ( !hwnd )
+ return false;
- 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
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
// NOTE : Lindsay Mathieson - 14-July-2002
// No longer use ListView_FindItem as the data attribute is now stored
// in a wxListItemInternalData structure refernced by the actual lParam
-long wxListCtrl::FindItem(long start, long data)
+long wxListCtrl::FindItem(long start, wxUIntPtr data)
{
long idx = start + 1;
long count = GetItemCount();
// Determines which item (if any) is at the specified point,
// giving details in 'flags' (see wxLIST_HITTEST_... flags above)
-long wxListCtrl::HitTest(const wxPoint& point, int& flags)
+long
+wxListCtrl::HitTest(const wxPoint& point, int& flags, long *ptrSubItem) const
{
LV_HITTESTINFO hitTestInfo;
hitTestInfo.pt.x = (int) point.x;
hitTestInfo.pt.y = (int) point.y;
- ListView_HitTest(GetHwnd(), & hitTestInfo);
+ long item;
+#ifdef LVM_SUBITEMHITTEST
+ if ( ptrSubItem && wxApp::GetComCtl32Version() >= 470 )
+ {
+ item = ListView_SubItemHitTest(GetHwnd(), &hitTestInfo);
+ *ptrSubItem = hitTestInfo.iSubItem;
+ }
+ else
+#endif // LVM_SUBITEMHITTEST
+ {
+ item = ListView_HitTest(GetHwnd(), &hitTestInfo);
+ }
flags = 0;
+
if ( hitTestInfo.flags & LVHT_ABOVE )
flags |= wxLIST_HITTEST_ABOVE;
if ( hitTestInfo.flags & LVHT_BELOW )
flags |= wxLIST_HITTEST_BELOW;
- if ( hitTestInfo.flags & LVHT_NOWHERE )
- flags |= wxLIST_HITTEST_NOWHERE;
- if ( hitTestInfo.flags & LVHT_ONITEMICON )
- flags |= wxLIST_HITTEST_ONITEMICON;
- if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
- flags |= wxLIST_HITTEST_ONITEMLABEL;
- if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
- flags |= wxLIST_HITTEST_ONITEMSTATEICON;
if ( hitTestInfo.flags & LVHT_TOLEFT )
flags |= wxLIST_HITTEST_TOLEFT;
if ( hitTestInfo.flags & LVHT_TORIGHT )
flags |= wxLIST_HITTEST_TORIGHT;
- return (long) hitTestInfo.iItem;
+ if ( hitTestInfo.flags & LVHT_NOWHERE )
+ flags |= wxLIST_HITTEST_NOWHERE;
+
+ // note a bug or at least a very strange feature of comtl32.dll (tested
+ // with version 4.0 under Win95 and 6.0 under Win 2003): if you click to
+ // the right of the item label, ListView_HitTest() returns a combination of
+ // LVHT_ONITEMICON, LVHT_ONITEMLABEL and LVHT_ONITEMSTATEICON -- filter out
+ // the bits which don't make sense
+ if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
+ {
+ flags |= wxLIST_HITTEST_ONITEMLABEL;
+
+ // do not translate LVHT_ONITEMICON here, as per above
+ }
+ else
+ {
+ if ( hitTestInfo.flags & LVHT_ONITEMICON )
+ flags |= wxLIST_HITTEST_ONITEMICON;
+ if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
+ flags |= wxLIST_HITTEST_ONITEMSTATEICON;
+ }
+
+ return item;
}
+
// Inserts an item, returning the index of the new item if successful,
// -1 otherwise.
-long wxListCtrl::InsertItem(wxListItem& info)
+long wxListCtrl::InsertItem(const wxListItem& info)
{
wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") );
}
// For list view mode (only), inserts a column.
-long wxListCtrl::InsertColumn(long col, wxListItem& item)
+long wxListCtrl::InsertColumn(long col, const wxListItem& item)
{
LV_COLUMN lvCol;
- wxConvertToMSWListCol(col, item, lvCol);
+ wxConvertToMSWListCol(GetHwnd(), col, item, lvCol);
if ( !(lvCol.mask & LVCF_WIDTH) )
{
return internalData->user_fn(d1, d2, internalData->data);
-};
+}
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 )
+ {
+ // Only eat VK_RETURN if not being used by the application in
+ // conjunction with modifiers
+ if ( msg->wParam == VK_RETURN && !wxIsAnyModifierDown() )
+ {
+ // we need VK_RETURN to generate wxEVT_COMMAND_LIST_ITEM_ACTIVATED
+ 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);
return false;
}
+// utility used by wxListCtrl::MSWOnNotify and by wxDataViewHeaderWindowMSW::MSWOnNotify
+int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *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"));
+ }
+
+ // we need to use listctrl coordinates for the event point so this is what
+ // we return in ptClick, but for comparison with Header_GetItemRect()
+ // result below we need to use header window coordinates
+ POINT ptClickHeader = *ptClick;
+ if ( !::ScreenToClient(nmhdr->hwndFrom, &ptClickHeader) )
+ {
+ wxLogLastError(_T("ScreenToClient(listctrl header)"));
+ }
+
+ if ( !::ScreenToClient(::GetParent(nmhdr->hwndFrom), ptClick) )
+ {
+ wxLogLastError(_T("ScreenToClient(listctrl)"));
+ }
+
+ const int colCount = Header_GetItemCount(nmhdr->hwndFrom);
+ for ( int col = 0; col < colCount; col++ )
+ {
+ RECT rect;
+ if ( Header_GetItemRect(nmhdr->hwndFrom, col, &rect) )
+ {
+ if ( ::PtInRect(&rect, ptClickHeader) )
+ {
+ return col;
+ }
+ }
+ }
+
+ return wxNOT_FOUND;
+}
+
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(hwndHdr, &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;
case HDN_GETDISPINFOW:
- {
- LPNMHDDISPINFOW info = (LPNMHDDISPINFOW) lParam;
- // This is a fix for a strange bug under XP.
- // Normally, info->iItem is a valid index, but
- // sometimes this is a silly (large) number
- // and when we return false via wxControl::MSWOnNotify
- // to indicate that it hasn't yet been processed,
- // there's a GPF in Windows.
- // By returning true here, we avoid further processing
- // of this strange message.
- if ( (unsigned)info->iItem >= (unsigned)GetColumnCount() )
- return true;
- }
- // fall through
+ // letting Windows XP handle this message results in mysterious
+ // crashes in comctl32.dll seemingly because of bad message
+ // parameters
+ //
+ // I have no idea what is the real cause of the bug (which is,
+ // 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;
default:
return wxControl::MSWOnNotify(idCtrl, lParam, 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;
// ignored for efficiency. It is done here because the internal data is in the
// process of being deleted so we don't want to try and access it below.
if ( m_ignoreChangeMessages &&
- ( (nmLV->hdr.code == LVN_ITEMCHANGED) || (nmLV->hdr.code == LVN_ITEMCHANGING)))
+ ( (nmLV->hdr.code == LVN_ITEMCHANGED) ||
+ (nmLV->hdr.code == LVN_ITEMCHANGING)) )
{
return true;
}
event.m_item.m_data = internaldata->lParam;
}
-
+ bool processed = true;
switch ( nmhdr->code )
{
case LVN_BEGINRDRAG:
const LV_ITEM& lvi = (LV_ITEM)item;
if ( !lvi.pszText || lvi.iItem == -1 )
{
- // don't keep a stale wxTextCtrl around
- if ( m_textCtrl )
- {
- // EDIT control will be deleted by the list control itself so
- // prevent us from deleting it as well
- m_textCtrl->UnsubclassWin();
- m_textCtrl->SetHWND(0);
- delete m_textCtrl;
- m_textCtrl = NULL;
- }
+ // EDIT control will be deleted by the list control
+ // itself so prevent us from deleting it as well
+ DeleteEditControl();
event.SetEditCanceled(true);
}
break;
case LVN_DELETEALLITEMS:
- m_count = 0;
eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
event.m_itemIndex = -1;
break;
case LVN_DELETEITEM:
- if (m_count == 0)
- // this should be prevented by the post-processing code below,
- // but "just in case"
+ if ( m_count == 0 )
+ {
+ // this should be prevented by the post-processing code
+ // below, but "just in case"
return false;
+ }
eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
event.m_itemIndex = iItem;
wxDeleteInternalData(this, iItem);
break;
- case LVN_SETDISPINFO:
- {
- eventType = wxEVT_COMMAND_LIST_SET_INFO;
- LV_DISPINFO *info = (LV_DISPINFO *)lParam;
- wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
- }
- break;
-
case LVN_INSERTITEM:
eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
event.m_itemIndex = iItem;
// focus event from here and the selection one
// below
event.SetEventType(eventType);
- (void)GetEventHandler()->ProcessEvent(event);
+ (void)HandleWindowEvent(event);
}
else // no focus event to send
{
wxLIST_STATE_SELECTED);
// <Enter> or <Space> activate the selected item if any (but
- // not with Shift and/or Ctrl as then they have a predefined
- // meaning for the list view)
+ // not with any modifiers as they have a predefined meaning
+ // then)
if ( lItem != -1 &&
(wVKey == VK_RETURN || wVKey == VK_SPACE) &&
- !(wxIsShiftDown() || wxIsCtrlDown()) )
+ !wxIsAnyModifierDown() )
{
eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
}
case NM_CUSTOMDRAW:
*result = OnCustomDraw(lParam);
- return true;
+ return *result != CDRF_DODEFAULT;
#endif // _WIN32_IE >= 0x300
case LVN_ODCACHEHINT:
}
break;
+#ifdef HAVE_NMLVFINDITEM
+ case LVN_ODFINDITEM:
+ // this message is only used with the virtual list control but
+ // even there we don't want to always use it: in a control with
+ // sufficiently big number of items (defined as > 1000 here),
+ // accidentally pressing a key could result in hanging an
+ // application waiting while it performs linear search
+ if ( IsVirtual() && GetItemCount() <= 1000 )
+ {
+ NMLVFINDITEM* pFindInfo = (NMLVFINDITEM*)lParam;
+
+ // no match by default
+ *result = -1;
+
+ // we only handle string-based searches here
+ //
+ // TODO: what about LVFI_PARTIAL, should we handle this?
+ if ( !(pFindInfo->lvfi.flags & LVFI_STRING) )
+ {
+ return false;
+ }
+
+ const wxChar * const searchstr = pFindInfo->lvfi.psz;
+ const size_t len = wxStrlen(searchstr);
+
+ // this is the first item we should examine, search from it
+ // wrapping if necessary
+ const int startPos = pFindInfo->iStart;
+ const int maxPos = GetItemCount();
+ wxCHECK_MSG( startPos <= maxPos, false,
+ _T("bad starting position in LVN_ODFINDITEM") );
+
+ int currentPos = startPos;
+ do
+ {
+ // wrap to the beginning if necessary
+ if ( currentPos == maxPos )
+ {
+ // somewhat surprizingly, LVFI_WRAP isn't set in
+ // flags but we still should wrap
+ currentPos = 0;
+ }
+
+ // does this item begin with searchstr?
+ if ( wxStrnicmp(searchstr,
+ GetItemText(currentPos), len) == 0 )
+ {
+ *result = currentPos;
+ break;
+ }
+ }
+ while ( ++currentPos != startPos );
+
+ if ( *result == -1 )
+ {
+ // not found
+ return false;
+ }
+
+ SetItemState(*result,
+ wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED,
+ wxLIST_STATE_SELECTED | wxLIST_STATE_FOCUSED);
+ EnsureVisible(*result);
+ return true;
+ }
+ else
+ {
+ processed = false;
+ }
+ break;
+#endif // HAVE_NMLVFINDITEM
+
case LVN_GETDISPINFO:
if ( IsVirtual() )
{
#ifdef NM_CUSTOMDRAW
if ( lvi.mask & LVIF_IMAGE )
{
- lvi.iImage = OnGetItemImage(item);
+ lvi.iImage = OnGetItemColumnImage(item, lvi.iSubItem);
}
#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;
}
// fall through
default:
- return wxControl::MSWOnNotify(idCtrl, lParam, result);
+ processed = false;
}
+
+ if ( !processed )
+ return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
else
{
event.SetEventType(eventType);
- bool processed = GetEventHandler()->ProcessEvent(event);
+ bool processed = HandleWindowEvent(event);
// post processing
// ---------------
// notifications - this makes deleting all items from a list ctrl
// much faster
*result = TRUE;
+
+ // also, we may free all user data now (couldn't do it before as
+ // the user should have access to it in OnDeleteAllItems() handler)
+ FreeAllInternalData();
+
+ // the control is empty now, synchronize the cached number of items
+ // with the real one
+ m_count = 0;
return true;
case LVN_ENDLABELEDITA:
case LVN_ENDLABELEDITW:
- // logic here is inversed compared to all the other messages
+ // logic here is inverted compared to all the other messages
*result = event.IsAllowed();
- // don't keep a stale wxTextCtrl around
- if ( m_textCtrl )
- {
- // EDIT control will be deleted by the list control itself so
- // prevent us from deleting it as well
- m_textCtrl->UnsubclassWin();
- m_textCtrl->SetHWND(0);
- delete m_textCtrl;
- m_textCtrl = NULL;
- }
+ // EDIT control will be deleted by the list control itself so
+ // prevent us from deleting it as well
+ DeleteEditControl();
return true;
}
return processed;
}
+// ----------------------------------------------------------------------------
+// custom draw stuff
+// ----------------------------------------------------------------------------
+
// see comment at the end of wxListCtrl::GetColumn()
#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300
+static RECT GetCustomDrawnItemRect(const NMCUSTOMDRAW& nmcd)
+{
+ RECT rc;
+ wxGetListCtrlItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, LVIR_BOUNDS, rc);
+
+ RECT rcIcon;
+ wxGetListCtrlItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, LVIR_ICON, rcIcon);
+
+ // exclude the icon part, neither the selection background nor focus rect
+ // should cover it
+ rc.left = rcIcon.right;
+
+ return rc;
+}
+
+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
+ int subitem = colCount ? col + 1 : col;
+ RECT rc;
+ wxGetListCtrlSubItemRect(hwndList, item, subitem, LVIR_BOUNDS, rc);
+ rc.left += 6;
+
+ // get the image and text to draw
+ wxChar text[512];
+ LV_ITEM it;
+ wxZeroMemory(it);
+ it.mask = LVIF_TEXT | LVIF_IMAGE;
+ it.iItem = item;
+ it.iSubItem = col;
+ it.pszText = text;
+ it.cchTextMax = WXSIZEOF(text);
+ ListView_GetItem(hwndList, &it);
+
+ HIMAGELIST himl = ListView_GetImageList(hwndList, LVSIL_SMALL);
+ if ( himl && ImageList_GetImageCount(himl) )
+ {
+ if ( it.iImage != -1 )
+ {
+ ImageList_Draw(himl, it.iImage, hdc, rc.left, rc.top,
+ nmcd.uItemState & CDIS_SELECTED ? ILD_SELECTED
+ : ILD_TRANSPARENT);
+ }
+
+ // notice that even if this item doesn't have any image, the list
+ // control still leaves space for the image in the first column if the
+ // image list is not empty (presumably so that items with and without
+ // images align?)
+ if ( it.iImage != -1 || it.iSubItem == 0 )
+ {
+ int wImage, hImage;
+ ImageList_GetIconSize(himl, &wImage, &hImage);
+
+ rc.left += wImage + 2;
+ }
+ }
+
+ ::SetBkMode(hdc, TRANSPARENT);
+
+ UINT fmt = DT_SINGLELINE |
+#ifndef __WXWINCE__
+ DT_WORD_ELLIPSIS |
+#endif // __WXWINCE__
+ 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)
+{
+ if ( nmcd.uItemState & CDIS_FOCUS )
+ {
+ RECT rc = GetCustomDrawnItemRect(nmcd);
+
+ // don't use the provided HDC, it's in some strange state by now
+ ::DrawFocusRect(WindowHDC(nmcd.hdr.hwndFrom), &rc);
+ }
+}
+
+// pLVCD->clrText and clrTextBk should contain the colours to use
+static void HandleItemPaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont)
+{
+ NMCUSTOMDRAW& nmcd = pLVCD->nmcd; // just a shortcut
+
+ const HWND hwndList = nmcd.hdr.hwndFrom;
+ const int item = nmcd.dwItemSpec;
+
+ // unfortunately we can't trust CDIS_SELECTED, it is often set even when
+ // the item is not at all selected for some reason (comctl32 6), but we
+ // also can't always trust ListView_GetItem() as it could return the old
+ // item status if we're called just after the (de)selection, so remember
+ // the last item to gain selection and also check for it here
+ for ( int i = -1;; )
+ {
+ i = ListView_GetNextItem(hwndList, i, LVNI_SELECTED);
+ if ( i == -1 )
+ {
+ nmcd.uItemState &= ~CDIS_SELECTED;
+ break;
+ }
+
+ if ( i == item )
+ {
+ nmcd.uItemState |= CDIS_SELECTED;
+ break;
+ }
+ }
+
+ // same thing for CDIS_FOCUS (except simpler as there is only one of them)
+ if ( ::GetFocus() == hwndList &&
+ ListView_GetNextItem(hwndList, -1, LVNI_FOCUSED) == item )
+ {
+ nmcd.uItemState |= CDIS_FOCUS;
+ }
+ else
+ {
+ nmcd.uItemState &= ~CDIS_FOCUS;
+ }
+
+ if ( nmcd.uItemState & CDIS_SELECTED )
+ {
+ int syscolFg, syscolBg;
+ if ( ::GetFocus() == hwndList )
+ {
+ syscolFg = COLOR_HIGHLIGHTTEXT;
+ syscolBg = COLOR_HIGHLIGHT;
+ }
+ else // selected but unfocused
+ {
+ syscolFg = COLOR_WINDOWTEXT;
+ syscolBg = COLOR_BTNFACE;
+
+ // don't grey out the icon in this case neither
+ nmcd.uItemState &= ~CDIS_SELECTED;
+ }
+
+ pLVCD->clrText = ::GetSysColor(syscolFg);
+ pLVCD->clrTextBk = ::GetSysColor(syscolBg);
+ }
+ //else: not selected, use normal colours from pLVCD
+
+ HDC hdc = nmcd.hdc;
+ RECT rc = GetCustomDrawnItemRect(nmcd);
+
+ ::SetTextColor(hdc, pLVCD->clrText);
+ ::FillRect(hdc, &rc, AutoHBRUSH(pLVCD->clrTextBk));
+
+ // we could use CDRF_NOTIFYSUBITEMDRAW here but it results in weird repaint
+ // problems so just draw everything except the focus rect from here instead
+ const int colCount = Header_GetItemCount(ListView_GetHeader(hwndList));
+ for ( int col = 0; col < colCount; col++ )
+ {
+ pLVCD->iSubItem = col;
+ HandleSubItemPrepaint(pLVCD, hfont, colCount);
+ }
+
+ HandleItemPostpaint(nmcd);
+}
+
+static WXLPARAM HandleItemPrepaint(wxListCtrl *listctrl,
+ LPNMLVCUSTOMDRAW pLVCD,
+ wxListItemAttr *attr)
+{
+ if ( !attr )
+ {
+ // nothing to do for this item
+ return CDRF_DODEFAULT;
+ }
+
+
+ // set the colours to use for text drawing
+ pLVCD->clrText = attr->HasTextColour()
+ ? wxColourToRGB(attr->GetTextColour())
+ : wxColourToRGB(listctrl->GetTextColour());
+ pLVCD->clrTextBk = attr->HasBackgroundColour()
+ ? wxColourToRGB(attr->GetBackgroundColour())
+ : wxColourToRGB(listctrl->GetBackgroundColour());
+
+ // select the font if non default one is specified
+ if ( attr->HasFont() )
+ {
+ wxFont font = attr->GetFont();
+ if ( font.GetEncoding() != wxFONTENCODING_SYSTEM )
+ {
+ // the standard control ignores the font encoding/charset, at least
+ // with recent comctl32.dll versions (5 and 6, it uses to work with
+ // 4.something) so we have to draw the item entirely ourselves in
+ // this case
+ HandleItemPaint(pLVCD, GetHfontOf(font));
+ return CDRF_SKIPDEFAULT;
+ }
+
+ ::SelectObject(pLVCD->nmcd.hdc, GetHfontOf(font));
+
+ return CDRF_NEWFONT;
+ }
+
+ return CDRF_DODEFAULT;
+}
+
WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
{
- LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
- NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
+ LPNMLVCUSTOMDRAW pLVCD = (LPNMLVCUSTOMDRAW)lParam;
+ NMCUSTOMDRAW& nmcd = pLVCD->nmcd;
switch ( nmcd.dwDrawStage )
{
case CDDS_PREPAINT:
//
// for virtual controls, always suppose that we have attributes as
// there is no way to check for this
- return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
- : CDRF_DODEFAULT;
+ if ( IsVirtual() || m_hasAnyAttr )
+ return CDRF_NOTIFYITEMDRAW;
+ break;
case CDDS_ITEMPREPAINT:
- {
- size_t item = (size_t)nmcd.dwItemSpec;
- if ( item >= (size_t)GetItemCount() )
- {
- // we get this message with item == 0 for an empty control,
- // we must ignore it as calling OnGetItemAttr() would be
- // wrong
- return CDRF_DODEFAULT;
- }
-
- wxListItemAttr *attr =
- IsVirtual() ? OnGetItemAttr(item)
- : wxGetInternalDataAttr(this, item);
-
- 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();
- }
+ const int item = nmcd.dwItemSpec;
- if ( attr->HasBackgroundColour() )
- {
- colBack = attr->GetBackgroundColour();
- }
- else
- {
- colBack = GetBackgroundColour();
- }
-
- lplvcd->clrText = wxColourToRGB(colText);
- lplvcd->clrTextBk = wxColourToRGB(colBack);
-
- // 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);
-
- return CDRF_NEWFONT;
- }
- }
- // fall through to return CDRF_DODEFAULT
+ // we get this message with item == 0 for an empty control, we
+ // must ignore it as calling OnGetItemAttr() would be wrong
+ if ( item < 0 || item >= GetItemCount() )
+ break;
- default:
- return CDRF_DODEFAULT;
+ return HandleItemPrepaint(this, pLVCD, DoGetItemAttr(item));
}
+
+ return CDRF_DODEFAULT;
}
#endif // NM_CUSTOMDRAW supported
// Necessary for drawing hrules and vrules, if specified
void wxListCtrl::OnPaint(wxPaintEvent& event)
{
+ const bool drawHRules = HasFlag(wxLC_HRULES);
+ const bool drawVRules = HasFlag(wxLC_VRULES);
+
+ if (!InReportView() || !(drawHRules || drawVRules))
+ {
+ event.Skip();
+ return;
+ }
+
wxPaintDC dc(this);
wxControl::OnPaint(event);
// Reset the device origin since it may have been set
dc.SetDeviceOrigin(0, 0);
- bool drawHRules = HasFlag(wxLC_HRULES);
- bool drawVRules = HasFlag(wxLC_VRULES);
-
- if (!InReportView() || !drawHRules && !drawVRules)
- return;
-
- wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
+ wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT));
dc.SetPen(pen);
dc.SetBrush(* wxTRANSPARENT_BRUSH);
if (GetItemRect(i, itemRect))
{
- int col;
+ // this is a fix for bug 673394: erase the pixels which we would
+ // otherwise leave on the screen
+ static const int gap = 2;
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.SetBrush(wxBrush(GetBackgroundColour()));
+ dc.DrawRectangle(0, firstItemRect.GetY() - gap,
+ clientSize.GetWidth(), gap);
+
+ dc.SetPen(pen);
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+
+ int numCols = GetColumnCount();
+ int* indexArray = new int[numCols];
+ if ( !ListView_GetColumnOrderArray( GetHwnd(), numCols, indexArray) )
+ {
+ wxFAIL_MSG( _T("invalid column index array in OnPaint()") );
+ }
+
int x = itemRect.GetX();
- for (col = 0; col < GetColumnCount(); col++)
+ for (int col = 0; col < numCols; col++)
{
- int colWidth = GetColumnWidth(col);
+ int colWidth = GetColumnWidth(indexArray[col]);
x += colWidth ;
- dc.DrawLine(x-1, firstItemRect.GetY() - 2, x-1, itemRect.GetBottom());
+ dc.DrawLine(x-1, firstItemRect.GetY() - gap,
+ x-1, itemRect.GetBottom());
}
+
+ delete indexArray;
}
}
}
+WXLRESULT
+wxListCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ switch ( nMsg )
+ {
+#ifdef WM_PRINT
+ case WM_PRINT:
+ // we should bypass our own WM_PRINT handling as we don't handle
+ // PRF_CHILDREN flag, so leave it to the native control itself
+ return MSWDefWindowProc(nMsg, wParam, lParam);
+#endif // WM_PRINT
+
+ case WM_CONTEXTMENU:
+ // because this message is propagated upwards the child-parent
+ // chain, we get it for the right clicks on the header window but
+ // this is confusing in wx as right clicking there already
+ // generates a separate wxEVT_COMMAND_LIST_COL_RIGHT_CLICK event
+ // so just ignore them
+ if ( (HWND)wParam == ListView_GetHeader(GetHwnd()) )
+ return 0;
+ //else: break
+ }
+
+ return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
+
// ----------------------------------------------------------------------------
// virtual list controls
// ----------------------------------------------------------------------------
int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
{
- // same as above
- wxFAIL_MSG( _T("wxListCtrl::OnGetItemImage not supposed to be called") );
+ wxCHECK_MSG(!GetImageList(wxIMAGE_LIST_SMALL),
+ -1,
+ wxT("List control has an image list, OnGetItemImage or OnGetItemColumnImage should be overridden."));
+ return -1;
+}
+
+int wxListCtrl::OnGetItemColumnImage(long item, long column) const
+{
+ if (!column)
+ return OnGetItemImage(item);
return -1;
}
return NULL;
}
+wxListItemAttr *wxListCtrl::DoGetItemAttr(long item) const
+{
+ return IsVirtual() ? OnGetItemAttr(item)
+ : wxGetInternalDataAttr(this, item);
+}
+
void wxListCtrl::SetItemCount(long count)
{
wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
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);
}
// ----------------------------------------------------------------------------
return NULL;
return (wxListItemInternalData *) it.lParam;
-};
+}
static
wxListItemInternalData *wxGetInternalData(const wxListCtrl *ctl, long itemId)
{
return wxGetInternalData(GetHwndOf(ctl), itemId);
-};
+}
-static wxListItemAttr *wxGetInternalDataAttr(wxListCtrl *ctl, long itemId)
+static
+wxListItemAttr *wxGetInternalDataAttr(const wxListCtrl *ctl, long itemId)
{
wxListItemInternalData *data = wxGetInternalData(ctl, itemId);
return data ? data->attr : NULL;
-};
+}
static void wxDeleteInternalData(wxListCtrl* ctl, long itemId)
{
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();
+ lvItem.cchTextMax = info.m_text.length();
else
lvItem.cchTextMax = 0;
}
lvItem.mask |= LVIF_IMAGE;
}
-static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item,
+static void wxConvertToMSWListCol(HWND hwndList,
+ int col,
+ const wxListItem& item,
LV_COLUMN& lvCol)
{
wxZeroMemory(lvCol);
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 )
#ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300
if ( item.m_mask & wxLIST_MASK_IMAGE )
{
- if ( wxTheApp->GetComCtl32Version() >= 470 )
+ if ( wxApp::GetComCtl32Version() >= 470 )
{
- lvCol.mask |= LVCF_IMAGE | LVCF_FMT;
+ lvCol.mask |= LVCF_IMAGE;
- // we use LVCFMT_BITMAP_ON_RIGHT because thei mages on the right
+ // we use LVCFMT_BITMAP_ON_RIGHT because the images on the right
// seem to be generally nicer than on the left and the generic
// version only draws them on the right (we don't have a flag to
// specify the image location anyhow)
//
// we don't use LVCFMT_COL_HAS_IMAGES because it doesn't seem to
// make any difference in my tests -- but maybe we should?
- lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT | LVCFMT_IMAGE;
+ if ( item.m_image != -1 )
+ {
+ // as we're going to overwrite the format field, get its
+ // current value first -- unless we want to overwrite it anyhow
+ if ( !(lvCol.mask & LVCF_FMT) )
+ {
+ LV_COLUMN lvColOld;
+ wxZeroMemory(lvColOld);
+ lvColOld.mask = LVCF_FMT;
+ if ( ListView_GetColumn(hwndList, col, &lvColOld) )
+ {
+ lvCol.fmt = lvColOld.fmt;
+ }
+
+ lvCol.mask |= LVCF_FMT;
+ }
+
+ lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT | LVCFMT_IMAGE;
+ }
lvCol.iImage = item.m_image;
}
}
#endif // wxUSE_LISTCTRL
-
projects / wxWidgets.git / blobdiff