Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

added virtual listctrl support

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10837 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-07-05 01:27:38 +00:00
parent 3abf2c720b
commit 98ec9dbebc
7 changed files with 228 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
include/wx/defs.h
View File

@@ -1220,36 +1220,6 @@ enum wxBorder
#define wxTR_MAC_BUTTONS 0x0200
#define wxTR_ROW_LINES 0x0400
/*
* wxListCtrl flags
*/
#define wxLC_VRULES 0x0001
#define wxLC_HRULES 0x0002
#define wxLC_ICON 0x0004
#define wxLC_SMALL_ICON 0x0008
#define wxLC_LIST 0x0010
#define wxLC_REPORT 0x0020
#define wxLC_ALIGN_TOP 0x0040
#define wxLC_ALIGN_LEFT 0x0080
#define wxLC_AUTOARRANGE 0x0100
#define wxLC_USER_TEXT 0x0200
#define wxLC_EDIT_LABELS 0x0400
#define wxLC_NO_HEADER 0x0800
#define wxLC_NO_SORT_HEADER 0x1000
#define wxLC_SINGLE_SEL 0x2000
#define wxLC_SORT_ASCENDING 0x4000
#define wxLC_SORT_DESCENDING 0x8000
#define wxLC_MASK_TYPE (wxLC_ICON | wxLC_SMALL_ICON | wxLC_LIST | wxLC_REPORT)
#define wxLC_MASK_ALIGN (wxLC_ALIGN_TOP | wxLC_ALIGN_LEFT)
#define wxLC_MASK_SORT (wxLC_SORT_ASCENDING | wxLC_SORT_DESCENDING)
// Omitted because (a) too much detail (b) not enough style flags
// #define wxLC_NO_SCROLL
// #define wxLC_NO_LABEL_WRAP
// #define wxLC_OWNERDRAW_FIXED
// #define wxLC_SHOW_SEL_ALWAYS
/*
* wxSpinButton flags.
* Note that a wxSpinCtrl is sometimes defined as

35
include/wx/listctrl.h
View File

@@ -29,6 +29,41 @@ typedef int (wxCALLBACK *wxListCtrlCompare)(long item1, long item2, long sortDat
// wxListCtrl constants
// ----------------------------------------------------------------------------
// style flags
#define wxLC_VRULES 0x0001
#define wxLC_HRULES 0x0002
#define wxLC_ICON 0x0004
#define wxLC_SMALL_ICON 0x0008
#define wxLC_LIST 0x0010
#define wxLC_REPORT 0x0020
#define wxLC_ALIGN_TOP 0x0040
#define wxLC_ALIGN_LEFT 0x0080
#define wxLC_AUTOARRANGE 0x0100
#define wxLC_VIRTUAL 0x0200
#define wxLC_EDIT_LABELS 0x0400
#define wxLC_NO_HEADER 0x0800
#define wxLC_NO_SORT_HEADER 0x1000
#define wxLC_SINGLE_SEL 0x2000
#define wxLC_SORT_ASCENDING 0x4000
#define wxLC_SORT_DESCENDING 0x8000
#define wxLC_MASK_TYPE (wxLC_ICON | wxLC_SMALL_ICON | wxLC_LIST | wxLC_REPORT)
#define wxLC_MASK_ALIGN (wxLC_ALIGN_TOP | wxLC_ALIGN_LEFT)
#define wxLC_MASK_SORT (wxLC_SORT_ASCENDING | wxLC_SORT_DESCENDING)
// for compatibility only
#define wxLC_USER_TEXT wxLC_VIRTUAL
// Omitted because
// (a) too much detail
// (b) not enough style flags
// (c) not implemented anyhow in the generic version
//
// #define wxLC_NO_SCROLL
// #define wxLC_NO_LABEL_WRAP
// #define wxLC_OWNERDRAW_FIXED
// #define wxLC_SHOW_SEL_ALWAYS
// Mask flags to tell app/GUI what fields of wxListItem are valid
#define wxLIST_MASK_STATE 0x0001
#define wxLIST_MASK_TEXT 0x0002

30
include/wx/msw/listctrl.h
View File

@@ -215,12 +215,6 @@ public:
// Returns the item or -1 if unsuccessful.
long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ;
// Implementation: converts wxWindows style to MSW style.
// Can be a single style flag or a bit list.
// oldStyle is 'normalised' so that it doesn't contain
// conflicting styles.
long ConvertToMSWStyle(long& oldStyle, long style) const;
// Gets one of the three image lists
wxImageList *GetImageList(int which) const ;
@@ -234,6 +228,9 @@ public:
void SetImageList(wxImageList *imageList, int which) ;
void AssignImageList(wxImageList *imageList, int which) ;
// returns true if it is a virtual list control
bool IsVirtual() const { return (GetWindowStyle() & wxLC_VIRTUAL) != 0; }
// Operations
////////////////////////////////////////////////////////////////////////////
@@ -301,6 +298,9 @@ public:
int format = wxLIST_FORMAT_LEFT,
int width = -1);
// set the number of items in a virtual list control
void SetItemCount(long count);
// Scrolls the list control. If in icon, small icon or report view mode,
// x specifies the number of pixels to scroll. If in list view mode, x
// specifies the number of columns to scroll.
@@ -328,9 +328,11 @@ public:
// bring the control in sync with current m_windowStyle value
void UpdateStyle();
// Add to pool: necessary because Windows needs to have a string
// still exist across 3 callbacks.
wxChar *AddPool(const wxString& str);
// Implementation: converts wxWindows style to MSW style.
// Can be a single style flag or a bit list.
// oldStyle is 'normalised' so that it doesn't contain
// conflicting styles.
long ConvertToMSWStyle(long& oldStyle, long style) const;
// Event handlers
////////////////////////////////////////////////////////////////////////////
@@ -353,7 +355,6 @@ protected:
m_ownsImageListState;
long m_baseStyle; // Basic Windows style flags, for recreation purposes
wxStringList m_stringPool; // Pool of 3 strings to satisfy Windows callback requirements
int m_colCount; // Windows doesn't have GetColumnCount so must
// keep track of inserted/deleted columns
@@ -363,6 +364,15 @@ protected:
// TRUE if we have any items with custom attributes
bool m_hasAnyAttr;
// these functions are only used for virtual list view controls, i.e. the
// ones with wxLC_VIRTUAL style
// return the text for the given column of the given item
virtual wxString OnGetItemText(long item, long column) const;
// return the icon for the given item
virtual int OnGetItemImage(long item) const;
private:
bool DoCreateControl(int x, int y, int w, int h);

143
samples/listctrl/listtest.cpp
View File

@@ -48,8 +48,8 @@
#include "listtest.h"
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(BUSY_ON, MyFrame::BusyOn)
EVT_MENU(BUSY_OFF, MyFrame::BusyOff)
EVT_SIZE(MyFrame::OnSize)
EVT_MENU(LIST_QUIT, MyFrame::OnQuit)
EVT_MENU(LIST_ABOUT, MyFrame::OnAbout)
EVT_MENU(LIST_LIST_VIEW, MyFrame::OnListView)
@@ -58,6 +58,8 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(LIST_ICON_TEXT_VIEW, MyFrame::OnIconTextView)
EVT_MENU(LIST_SMALL_ICON_VIEW, MyFrame::OnSmallIconView)
EVT_MENU(LIST_SMALL_ICON_TEXT_VIEW, MyFrame::OnSmallIconTextView)
EVT_MENU(LIST_VIRTUAL_VIEW, MyFrame::OnVirtualView)
EVT_MENU(LIST_TOGGLE_FIRST, MyFrame::OnToggleFirstSel)
EVT_MENU(LIST_DESELECT_ALL, MyFrame::OnDeselectAll)
EVT_MENU(LIST_SELECT_ALL, MyFrame::OnSelectAll)
@@ -68,6 +70,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(LIST_SET_BG_COL, MyFrame::OnSetBgColour)
EVT_MENU(LIST_TOGGLE_MULTI_SEL, MyFrame::OnToggleMultiSel)
EVT_MENU(LIST_SHOW_COL_INFO, MyFrame::OnShowColInfo)
EVT_UPDATE_UI(LIST_SHOW_COL_INFO, MyFrame::OnUpdateShowColInfo)
END_EVENT_TABLE()
@@ -154,46 +157,42 @@ MyFrame::MyFrame(const wxChar *title, int x, int y, int w, int h)
// Make a menubar
wxMenu *menuFile = new wxMenu;
menuFile->Append(LIST_ABOUT, "&About");
menuFile->Append(LIST_ABOUT, _T("&About"));
menuFile->AppendSeparator();
#if 0 // what is this for? (VZ)
menuFile->Append(BUSY_ON, "&Busy cursor on");
menuFile->Append(BUSY_OFF, "&Busy cursor off");
menuFile->AppendSeparator();
#endif
menuFile->Append(LIST_QUIT, "E&xit\tAlt-X");
menuFile->Append(LIST_QUIT, _T("E&xit\tAlt-X"));
wxMenu *menuView = new wxMenu;
menuView->Append(LIST_LIST_VIEW, "&List view\tF1");
menuView->Append(LIST_REPORT_VIEW, "&Report view\tF2");
menuView->Append(LIST_ICON_VIEW, "&Icon view\tF3");
menuView->Append(LIST_ICON_TEXT_VIEW, "Icon view with &text\tF4");
menuView->Append(LIST_SMALL_ICON_VIEW, "&Small icon view\tF5");
menuView->Append(LIST_SMALL_ICON_TEXT_VIEW, "Small icon &view with text\tF6");
menuView->Append(LIST_LIST_VIEW, _T("&List view\tF1"));
menuView->Append(LIST_REPORT_VIEW, _T("&Report view\tF2"));
menuView->Append(LIST_ICON_VIEW, _T("&Icon view\tF3"));
menuView->Append(LIST_ICON_TEXT_VIEW, _T("Icon view with &text\tF4"));
menuView->Append(LIST_SMALL_ICON_VIEW, _T("&Small icon view\tF5"));
menuView->Append(LIST_SMALL_ICON_TEXT_VIEW, _T("Small icon &view with text\tF6"));
menuView->Append(LIST_VIRTUAL_VIEW, _T("Virtual view\tF7"));
wxMenu *menuList = new wxMenu;
menuList->Append(LIST_TOGGLE_FIRST, "&Toggle first item\tCtrl-T");
menuList->Append(LIST_DESELECT_ALL, "&Deselect All\tCtrl-D");
menuList->Append(LIST_SELECT_ALL, "S&elect All\tCtrl-A");
menuList->Append(LIST_SHOW_COL_INFO, "Show &column info\tCtrl-C");
menuList->Append(LIST_TOGGLE_FIRST, _T("&Toggle first item\tCtrl-T"));
menuList->Append(LIST_DESELECT_ALL, _T("&Deselect All\tCtrl-D"));
menuList->Append(LIST_SELECT_ALL, _T("S&elect All\tCtrl-A"));
menuList->Append(LIST_SHOW_COL_INFO, _T("Show &column info\tCtrl-C"));
menuList->AppendSeparator();
menuList->Append(LIST_SORT, "&Sort\tCtrl-S");
menuList->Append(LIST_SORT, _T("&Sort\tCtrl-S"));
menuList->AppendSeparator();
menuList->Append(LIST_DELETE, "&Delete first item");
menuList->Append(LIST_DELETE_ALL, "Delete &all items");
menuList->Append(LIST_DELETE, _T("&Delete first item"));
menuList->Append(LIST_DELETE_ALL, _T("Delete &all items"));
menuList->AppendSeparator();
menuList->Append(LIST_TOGGLE_MULTI_SEL, "&Multiple selection\tCtrl-M",
"Toggle multiple selection", TRUE);
menuList->Append(LIST_TOGGLE_MULTI_SEL, _T("&Multiple selection\tCtrl-M"),
_T("Toggle multiple selection"), TRUE);
wxMenu *menuCol = new wxMenu;
menuCol->Append(LIST_SET_FG_COL, "&Foreground colour...");
menuCol->Append(LIST_SET_BG_COL, "&Background colour...");
menuCol->Append(LIST_SET_FG_COL, _T("&Foreground colour..."));
menuCol->Append(LIST_SET_BG_COL, _T("&Background colour..."));
wxMenuBar *menubar = new wxMenuBar;
menubar->Append(menuFile, "&File");
menubar->Append(menuView, "&View");
menubar->Append(menuList, "&List");
menubar->Append(menuCol, "&Colour");
menubar->Append(menuFile, _T("&File"));
menubar->Append(menuView, _T("&View"));
menubar->Append(menuList, _T("&List"));
menubar->Append(menuCol, _T("&Colour"));
SetMenuBar(menubar);
m_listCtrl = new MyListCtrl(this, LIST_CTRL,
@@ -201,9 +200,6 @@ MyFrame::MyFrame(const wxChar *title, int x, int y, int w, int h)
wxLC_LIST |
wxSUNKEN_BORDER |
wxLC_EDIT_LABELS |
// wxLC_USER_TEXT requires app to supply all
// text on demand
//wxLC_USER_TEXT |
wxLC_SINGLE_SEL
);
@@ -213,21 +209,6 @@ MyFrame::MyFrame(const wxChar *title, int x, int y, int w, int h)
m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_logWindow));
wxLayoutConstraints *c = new wxLayoutConstraints;
c->top.SameAs (this, wxTop);
c->left.SameAs (this, wxLeft);
c->right.SameAs (this, wxRight);
c->height.PercentOf (this, wxHeight, 66);
m_listCtrl->SetConstraints(c);
c = new wxLayoutConstraints;
c->top.Below (m_listCtrl);
c->left.SameAs (this, wxLeft);
c->right.SameAs (this, wxRight);
c->bottom.SameAs (this, wxBottom);
m_logWindow->SetConstraints(c);
SetAutoLayout(TRUE);
for ( int i = 0; i < 30; i++ )
{
long idx = m_listCtrl->InsertItem(i, wxString::Format(_T("Item %d"), i));
@@ -245,21 +226,24 @@ MyFrame::~MyFrame()
delete m_imageListSmall;
}
void MyFrame::OnSize(wxSizeEvent& event)
{
if ( !m_logWindow )
return;
wxSize size = GetClientSize();
wxCoord y = (2*size.y)/3;
m_listCtrl->SetSize(0, 0, size.x, y);
m_logWindow->SetSize(0, y + 1, size.x, size.y - y);
event.Skip();
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(TRUE);
}
void MyFrame::BusyOn(wxCommandEvent& WXUNUSED(event))
{
wxBeginBusyCursor();
}
void MyFrame::BusyOff(wxCommandEvent& WXUNUSED(event))
{
wxEndBusyCursor();
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageDialog dialog(this, "List test sample\nJulian Smart (c) 1997",
@@ -298,9 +282,7 @@ void MyFrame::OnListView(wxCommandEvent& WXUNUSED(event))
for ( int i=0; i < 30; i++)
{
wxChar buf[20];
wxSprintf(buf, _T("Item %d"), i);
m_listCtrl->InsertItem(i, buf);
m_listCtrl->InsertItem(i, wxString::Format(_T("Item %d"), i));
}
}
@@ -426,6 +408,35 @@ void MyFrame::OnSmallIconTextView(wxCommandEvent& WXUNUSED(event))
}
}
void MyFrame::OnVirtualView(wxCommandEvent& WXUNUSED(event))
{
#ifdef __WXMSW__
m_logWindow->Clear();
// we really have to recreate it
delete m_listCtrl;
m_listCtrl = new MyListCtrl(this, LIST_CTRL,
wxDefaultPosition, wxDefaultSize,
wxLC_REPORT |
wxSUNKEN_BORDER |
wxLC_SINGLE_SEL |
wxLC_VIRTUAL
);
m_listCtrl->InsertColumn(0, "First Column");
m_listCtrl->InsertColumn(1, "Second Column");
m_listCtrl->SetColumnWidth(0, 150);
m_listCtrl->SetColumnWidth(1, 150);
m_listCtrl->SetItemCount(1000000);
SendSizeEvent();
#else
wxLogError(_T("Sorry, not implemented"));
#endif
}
void MyFrame::OnSort(wxCommandEvent& WXUNUSED(event))
{
wxStopWatch sw;
@@ -632,3 +643,13 @@ void MyListCtrl::LogEvent(const wxListEvent& event, const wxChar *eventName)
event.GetText().c_str(), event.GetData());
}
wxString MyListCtrl::OnGetItemText(long item, long column) const
{
return wxString::Format(_T("Column %ld of item %ld"), column, item);
}
int MyListCtrl::OnGetItemImage(long item) const
{
return 0;
}

39
samples/listctrl/listtest.h
View File

@@ -44,6 +44,9 @@ public:
private:
void LogEvent(const wxListEvent& event, const wxChar *eventName);
virtual wxString OnGetItemText(long item, long column) const;
virtual int OnGetItemImage(long item) const;
DECLARE_EVENT_TABLE()
};
@@ -58,6 +61,8 @@ public:
~MyFrame();
public:
void OnSize(wxSizeEvent& event);
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void OnListView(wxCommandEvent& event);
@@ -66,6 +71,8 @@ public:
void OnIconTextView(wxCommandEvent& event);
void OnSmallIconView(wxCommandEvent& event);
void OnSmallIconTextView(wxCommandEvent& event);
void OnVirtualView(wxCommandEvent& event);
void OnToggleFirstSel(wxCommandEvent& event);
void OnDeselectAll(wxCommandEvent& event);
void OnSelectAll(wxCommandEvent& event);
@@ -76,10 +83,8 @@ public:
void OnSetBgColour(wxCommandEvent& event);
void OnToggleMultiSel(wxCommandEvent& event);
void OnShowColInfo(wxCommandEvent& event);
void OnUpdateShowColInfo(wxUpdateUIEvent& event);
void BusyOn(wxCommandEvent& event);
void BusyOff(wxCommandEvent& event);
void OnUpdateShowColInfo(wxUpdateUIEvent& event);
wxImageList *m_imageListNormal;
wxImageList *m_imageListSmall;
@@ -91,22 +96,22 @@ private:
};
// ID for the menu quit command
// IDs for the menu commands
enum
{
LIST_QUIT = 1,
LIST_LIST_VIEW = 2,
LIST_ICON_VIEW = 3,
LIST_ICON_TEXT_VIEW = 4,
LIST_SMALL_ICON_VIEW = 5,
LIST_SMALL_ICON_TEXT_VIEW = 6,
LIST_REPORT_VIEW = 7,
LIST_DESELECT_ALL = 8,
LIST_SELECT_ALL = 9,
LIST_ABOUT = 102,
BUSY_ON = 10,
BUSY_OFF = 11,
LIST_DELETE_ALL = 12,
LIST_QUIT,
LIST_LIST_VIEW,
LIST_ICON_VIEW,
LIST_ICON_TEXT_VIEW,
LIST_SMALL_ICON_VIEW,
LIST_SMALL_ICON_TEXT_VIEW,
LIST_VIRTUAL_VIEW,
LIST_REPORT_VIEW,
LIST_DESELECT_ALL,
LIST_SELECT_ALL,
LIST_ABOUT,
LIST_DELETE_ALL,
LIST_DELETE,
LIST_SORT,
LIST_SET_FG_COL,

2
src/common/resource.cpp
View File

@@ -53,6 +53,8 @@
#include "wx/intl.h"
#endif
#include "wx/listctrl.h"
#if wxUSE_RADIOBTN
#include "wx/radiobut.h"
#endif

123
src/msw/listctrl.cpp
View File

@@ -29,9 +29,7 @@
#pragma hdrstop
#endif
#if wxUSE_LISTCTRL
#ifdef __WIN95__
#if wxUSE_LISTCTRL && defined(__WIN95__)
#ifndef WX_PRECOMP
#include "wx/app.h"
@@ -426,12 +424,6 @@ long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
if ( style & wxLC_AUTOARRANGE )
wstyle |= LVS_AUTOARRANGE;
// Apparently, no such style (documentation wrong?)
/*
if ( style & wxLC_BUTTON )
wstyle |= LVS_BUTTON;
*/
if ( style & wxLC_NO_SORT_HEADER )
wstyle |= LVS_NOSORTHEADER;
@@ -458,6 +450,11 @@ long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
wstyle |= LVS_SORTDESCENDING;
}
if ( style & wxLC_VIRTUAL )
{
wstyle |= LVS_OWNERDATA;
}
return wstyle;
}
@@ -1191,6 +1188,8 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags)
// -1 otherwise.
long wxListCtrl::InsertItem(wxListItem& info)
{
wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") );
LV_ITEM item;
wxConvertToMSWListItem(this, info, item);
@@ -1454,24 +1453,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
}
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.
#if 0
{
// TODO: some text buffering here, I think
// TODO: API for getting Windows to retrieve values
// on demand.
eventType = wxEVT_COMMAND_LIST_GET_INFO;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd());
break;
}
#endif // 0
return FALSE;
case LVN_INSERTITEM:
eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
event.m_itemIndex = nmLV->iItem;
@@ -1687,6 +1668,34 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
// break; // can never be reached
#endif // _WIN32_IE >= 0x300
case LVN_GETDISPINFO:
if ( IsVirtual() )
{
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
LV_ITEM& lvi = info->item;
long item = lvi.iItem;
if ( lvi.mask & LVIF_TEXT )
{
wxString text = OnGetItemText(item, lvi.iSubItem);
wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
}
if ( lvi.mask & LVIF_IMAGE )
{
lvi.iImage = OnGetItemImage(item);
}
// 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!") );
return TRUE;
}
// fall through
default:
return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
@@ -1713,20 +1722,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
return TRUE;
case LVN_GETDISPINFO:
{
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();
@@ -1739,19 +1734,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
return TRUE;
}
wxChar *wxListCtrl::AddPool(const wxString& str)
{
// Remove the first element if 3 strings exist
if ( m_stringPool.Number() == 3 )
{
wxNode *node = m_stringPool.First();
delete[] (char *)node->Data();
delete node;
}
wxNode *node = m_stringPool.Add(WXSTRINGCAST str);
return (wxChar *)node->Data();
}
// Necessary for drawing hrules and vrules, if specified
void wxListCtrl::OnPaint(wxPaintEvent& event)
{
@@ -1817,6 +1799,37 @@ void wxListCtrl::OnPaint(wxPaintEvent& event)
}
}
// ----------------------------------------------------------------------------
// virtual list controls
// ----------------------------------------------------------------------------
wxString wxListCtrl::OnGetItemText(long item, long col) const
{
// this is a pure virtual function, in fact - which is not really pure
// because the controls which are not virtual don't need to implement it
wxFAIL_MSG( _T("not supposed to be called") );
return wxEmptyString;
}
int wxListCtrl::OnGetItemImage(long item) const
{
// same as above
wxFAIL_MSG( _T("not supposed to be called") );
return -1;
}
void wxListCtrl::SetItemCount(long count)
{
wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
{
wxLogLastError(_T("ListView_SetItemCount"));
}
}
// ----------------------------------------------------------------------------
// wxListItem
// ----------------------------------------------------------------------------
@@ -2022,6 +2035,4 @@ wxListEvent::wxListEvent(wxEventType commandType, int id)
m_cancelled = FALSE;
}
#endif // __WIN95__
#endif // wxUSE_LISTCTRL