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da87a1ca42a81c7b7b69cb013eb52d09cd5c1b70
wxWidgets/src/msw/listctrl.cpp
Julian Smart da87a1ca42 Separated out Win95 versions of gauge, slider; added wxTabCtrl::GetCurFocus 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@153 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-06-28 11:32:14 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: listctrl.cpp
// Purpose: wxListCtrl
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "listctrl.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx.h"
#endif
#if defined(__WIN95__)
#include "wx/listctrl.h"
#include "wx/msw/private.h"
#ifndef __GNUWIN32__
#include <commctrl.h>
#endif
#ifdef __GNUWIN32__
#include "wx/msw/gnuwin32/extra.h"
#endif
static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem);
static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem, HWND getFullInfo = 0);
#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
#endif
wxListCtrl::wxListCtrl(void)
{
m_imageListNormal = NULL;
m_imageListSmall = NULL;
m_imageListState = NULL;
m_baseStyle = 0;
m_colCount = 0;
}
bool wxListCtrl::Create(wxWindow *parent, const wxWindowID id, const wxPoint& pos, const wxSize& size,
const long style, const wxValidator& validator, const wxString& name)
{
m_imageListNormal = NULL;
m_imageListSmall = NULL;
m_imageListState = NULL;
m_colCount = 0;
wxSystemSettings settings;
SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW));
SetForegroundColour(parent->GetDefaultForegroundColour());
SetValidator(validator);
SetName(name);
int x = pos.x;
int y = pos.y;
int width = size.x;
int height = size.y;
m_windowStyle = style;
SetParent(parent);
if (width <= 0)
width = 100;
if (height <= 0)
height = 30;
if (x < 0)
x = 0;
if (y < 0)
y = 0;
m_windowId = (id == -1) ? NewControlId() : id;
DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP;
bool want3D;
WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
// Even with extended styles, need to combine with WS_BORDER
// for them to look right.
if (want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
(m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER))
wstyle |= WS_BORDER;
wstyle |= LVS_SHAREIMAGELISTS;
m_baseStyle = wstyle;
long oldStyle = 0; // Dummy
wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
// Create the ListView control.
HWND hWndListControl = CreateWindowEx(exStyle,
WC_LISTVIEW,
"",
wstyle,
x, y, width, height,
(HWND) parent->GetHWND(),
(HMENU)m_windowId,
wxGetInstance(),
NULL );
m_hWnd = (WXHWND) hWndListControl;
if (parent) parent->AddChild(this);
SubclassWin((WXHWND) m_hWnd);
return TRUE;
}
wxListCtrl::~wxListCtrl(void)
{
m_textCtrl.SetHWND((WXHWND) NULL);
}
// Add or remove a single window style
void wxListCtrl::SetSingleStyle(const long style, const bool add)
{
long flag = GetWindowStyleFlag();
// Get rid of conflicting styles
if ( add )
{
if ( style & wxLC_MASK_TYPE)
flag = flag & ~wxLC_MASK_TYPE ;
if ( style & wxLC_MASK_ALIGN )
flag = flag & ~wxLC_MASK_ALIGN ;
if ( style & wxLC_MASK_SORT )
flag = flag & ~wxLC_MASK_SORT ;
}
if ( flag & style )
{
if ( !add )
flag -= style;
}
else
{
if ( add )
{
flag |= style;
}
}
m_windowStyle = flag;
RecreateWindow();
}
// Set the whole window style
void wxListCtrl::SetWindowStyleFlag(const long flag)
{
m_windowStyle = flag;
RecreateWindow();
}
void wxListCtrl::RecreateWindow(void)
{
if ( GetHWND() )
{
long oldStyle = 0;
long style = ConvertToMSWStyle(oldStyle, m_windowStyle);
style |= m_baseStyle;
// ::SetWindowLong((HWND) GetHWND(), GWL_STYLE, style);
// The following recreation of the window appears to be necessary
// because SetWindowLong doesn't seem to do it.
int x, y, width, height;
GetPosition(&x, &y);
GetSize(&width, &height);
UnsubclassWin();
::DestroyWindow((HWND) GetHWND());
// Experimental
// Recreate the ListView control: unfortunately I can't
// make it work by using SetWindowLong.
bool want3D;
WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
HWND hWndListControl = CreateWindowEx(exStyle,
WC_LISTVIEW,
"",
style,
x, y, width, height,
(HWND) GetParent()->GetHWND(),
(HMENU)m_windowId,
wxGetInstance(),
NULL );
m_hWnd = (WXHWND) hWndListControl;
SubclassWin((WXHWND) m_hWnd);
if ( m_imageListNormal )
SetImageList(m_imageListNormal, wxIMAGE_LIST_NORMAL);
if ( m_imageListSmall )
SetImageList(m_imageListSmall, wxIMAGE_LIST_SMALL);
if ( m_imageListState )
SetImageList(m_imageListState, wxIMAGE_LIST_STATE);
}
}
// Can be just a single style, or a bitlist
long wxListCtrl::ConvertToMSWStyle(long& oldStyle, const long style) const
{
long wstyle = 0;
if ( style & wxLC_ICON )
{
if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
oldStyle -= LVS_SMALLICON;
if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
oldStyle -= LVS_REPORT;
if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
oldStyle -= LVS_LIST;
wstyle |= LVS_ICON;
}
if ( style & wxLC_SMALL_ICON )
{
if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
oldStyle -= LVS_ICON;
if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
oldStyle -= LVS_REPORT;
if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
oldStyle -= LVS_LIST;
wstyle |= LVS_SMALLICON;
}
if ( style & wxLC_LIST )
{
if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
oldStyle -= LVS_ICON;
if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
oldStyle -= LVS_REPORT;
if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
oldStyle -= LVS_SMALLICON;
wstyle |= LVS_LIST;
}
if ( style & wxLC_REPORT )
{
if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
oldStyle -= LVS_ICON;
if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
oldStyle -= LVS_LIST;
if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
oldStyle -= LVS_SMALLICON;
wstyle |= LVS_REPORT;
}
if ( style & wxLC_ALIGN_LEFT )
{
if ( oldStyle & LVS_ALIGNTOP )
oldStyle -= LVS_ALIGNTOP;
wstyle |= LVS_ALIGNLEFT;
}
if ( style & wxLC_ALIGN_TOP )
{
if ( oldStyle & LVS_ALIGNLEFT )
oldStyle -= LVS_ALIGNLEFT;
wstyle |= LVS_ALIGNTOP;
}
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;
if ( style & wxLC_NO_HEADER )
wstyle |= LVS_NOCOLUMNHEADER;
if ( style & wxLC_EDIT_LABELS )
wstyle |= LVS_EDITLABELS;
if ( style & wxLC_SINGLE_SEL )
wstyle |= LVS_SINGLESEL;
if ( style & wxLC_SORT_ASCENDING )
{
if ( oldStyle & LVS_SORTDESCENDING )
oldStyle -= LVS_SORTDESCENDING;
wstyle |= LVS_SORTASCENDING;
}
if ( style & wxLC_SORT_DESCENDING )
{
if ( oldStyle & LVS_SORTASCENDING )
oldStyle -= LVS_SORTASCENDING;
wstyle |= LVS_SORTDESCENDING;
}
return wstyle;
}
// Sets the background colour (GetBackgroundColour already implicit in
// wxWindow class)
void wxListCtrl::SetBackgroundColour(const wxColour& col)
{
wxWindow::SetBackgroundColour(col);
ListView_SetBkColor((HWND) GetHWND(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
}
// Gets information about this column
bool wxListCtrl::GetColumn(const int col, wxListItem& item) const
{
LV_COLUMN lvCol;
lvCol.mask = 0;
lvCol.fmt = 0;
lvCol.pszText = NULL;
if ( item.m_mask & wxLIST_MASK_TEXT )
{
lvCol.mask |= LVCF_TEXT;
lvCol.pszText = new char[513];
lvCol.cchTextMax = 512;
}
bool success = (ListView_GetColumn((HWND) GetHWND(), col, & lvCol) != 0);
// item.m_subItem = lvCol.iSubItem;
item.m_width = lvCol.cx;
if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText )
{
item.m_text = lvCol.pszText;
delete[] lvCol.pszText;
}
if ( item.m_mask & wxLIST_MASK_FORMAT )
{
if (lvCol.fmt == LVCFMT_LEFT)
item.m_format = wxLIST_FORMAT_LEFT;
else if (lvCol.fmt == LVCFMT_RIGHT)
item.m_format = wxLIST_FORMAT_RIGHT;
else if (lvCol.fmt == LVCFMT_CENTER)
item.m_format = wxLIST_FORMAT_CENTRE;
}
return success;
}
// Sets information about this column
bool wxListCtrl::SetColumn(const int col, wxListItem& item)
{
LV_COLUMN lvCol;
lvCol.mask = 0;
lvCol.fmt = 0;
lvCol.pszText = NULL;
if ( item.m_mask & wxLIST_MASK_TEXT )
{
lvCol.mask |= LVCF_TEXT;
lvCol.pszText = WXSTRINGCAST item.m_text;
lvCol.cchTextMax = 0; // Ignored
}
if ( item.m_mask & wxLIST_MASK_FORMAT )
{
lvCol.mask |= LVCF_FMT;
if ( item.m_format == wxLIST_FORMAT_LEFT )
lvCol.fmt = LVCFMT_LEFT;
if ( item.m_format == wxLIST_FORMAT_RIGHT )
lvCol.fmt = LVCFMT_RIGHT;
if ( item.m_format == wxLIST_FORMAT_CENTRE )
lvCol.fmt = LVCFMT_CENTER;
}
if ( item.m_mask & wxLIST_MASK_WIDTH )
{
lvCol.mask |= LVCF_WIDTH;
lvCol.cx = item.m_width;
if ( lvCol.cx == wxLIST_AUTOSIZE)
lvCol.cx = LVSCW_AUTOSIZE;
else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER)
lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
}
lvCol.mask |= LVCF_SUBITEM;
lvCol.iSubItem = col;
return (ListView_SetColumn((HWND) GetHWND(), col, & lvCol) != 0);
}
// Gets the column width
int wxListCtrl::GetColumnWidth(const int col) const
{
return ListView_GetColumnWidth((HWND) GetHWND(), col);
}
// Sets the column width
bool wxListCtrl::SetColumnWidth(const int col, const int width)
{
int col2 = col;
if ( m_windowStyle & wxLC_LIST )
col2 = -1;
int width2 = width;
if ( width2 == wxLIST_AUTOSIZE)
width2 = LVSCW_AUTOSIZE;
else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
width2 = LVSCW_AUTOSIZE_USEHEADER;
return (ListView_SetColumnWidth((HWND) GetHWND(), col2, width2) != 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
// or small icon view)
int wxListCtrl::GetCountPerPage(void) const
{
return ListView_GetCountPerPage((HWND) GetHWND());
}
// Gets the edit control for editing labels.
wxTextCtrl& wxListCtrl::GetEditControl(void) const
{
HWND hWnd = (HWND) ListView_GetEditControl((HWND) GetHWND());
((wxListCtrl *)this)->m_textCtrl.SetHWND((WXHWND) hWnd);
return (wxTextCtrl&)m_textCtrl;
}
// Gets information about the item
bool wxListCtrl::GetItem(wxListItem& info) const
{
LV_ITEM lvItem;
lvItem.pszText = NULL;
if ( info.m_mask & wxLIST_MASK_TEXT )
{
lvItem.pszText = new char[513];
lvItem.cchTextMax = 512;
}
bool success = (::SendMessage((HWND) GetHWND(), LVM_GETITEM, 0, (LPARAM)& lvItem) != 0);
if ( !success )
{
if (lvItem.pszText)
delete[] lvItem.pszText;
return FALSE;
}
wxConvertFromMSWListItem(this, info, lvItem);
if (lvItem.pszText)
delete[] lvItem.pszText;
return success;
}
// Sets information about the item
bool wxListCtrl::SetItem(wxListItem& info)
{
LV_ITEM item;
wxConvertToMSWListItem(this, info, item);
item.cchTextMax = 0;
return (ListView_SetItem((HWND) GetHWND(), &item) != 0);
}
long wxListCtrl::SetItem(const long index, const int col, const wxString& label, const int imageId)
{
wxListItem info;
info.m_text = label;
info.m_mask = wxLIST_MASK_TEXT;
info.m_itemId = index;
info.m_col = col;
if ( imageId > -1 )
{
info.m_image = imageId;
info.m_mask |= wxLIST_MASK_IMAGE;
}
return SetItem(info);
}
// Gets the item state
int wxListCtrl::GetItemState(const long item, const long stateMask) const
{
wxListItem info;
info.m_mask = wxLIST_MASK_STATE ;
info.m_stateMask = stateMask;
info.m_itemId = item;
if (!GetItem(info))
return 0;
return info.m_state;
}
// Sets the item state
bool wxListCtrl::SetItemState(const long item, const long state, const long stateMask)
{
wxListItem info;
info.m_mask = wxLIST_MASK_STATE ;
info.m_state = state;
info.m_stateMask = stateMask;
info.m_itemId = item;
return SetItem(info);
}
// Sets the item image
bool wxListCtrl::SetItemImage(const long item, const int image, const int selImage)
{
wxListItem info;
info.m_mask = wxLIST_MASK_IMAGE ;
info.m_image = image;
info.m_itemId = item;
return SetItem(info);
}
// Gets the item text
wxString wxListCtrl::GetItemText(const long item) const
{
wxListItem info;
info.m_mask = wxLIST_MASK_TEXT ;
info.m_itemId = item;
if (!GetItem(info))
return wxString("");
return info.m_text;
}
// Sets the item text
void wxListCtrl::SetItemText(const long item, const wxString& str)
{
wxListItem info;
info.m_mask = wxLIST_MASK_TEXT ;
info.m_itemId = item;
info.m_text = str;
SetItem(info);
}
// Gets the item data
long wxListCtrl::GetItemData(const long item) const
{
wxListItem info;
info.m_mask = wxLIST_MASK_DATA ;
info.m_itemId = item;
if (!GetItem(info))
return 0;
return info.m_data;
}
// Sets the item data
bool wxListCtrl::SetItemData(const long item, long data)
{
wxListItem info;
info.m_mask = wxLIST_MASK_DATA ;
info.m_itemId = item;
info.m_data = data;
return SetItem(info);
}
// Gets the item rectangle
bool wxListCtrl::GetItemRect(const long item, wxRectangle& rect, const int code) const
{
RECT rect2;
int code2 = LVIR_BOUNDS;
if ( code == wxLIST_RECT_BOUNDS )
code2 = LVIR_BOUNDS;
else if ( code == wxLIST_RECT_ICON )
code2 = LVIR_ICON;
else if ( code == wxLIST_RECT_LABEL )
code2 = LVIR_LABEL;
bool success = (ListView_GetItemRect((HWND) GetHWND(), (int) item, &rect2, code2) != 0);
rect.x = rect2.left;
rect.y = rect2.top;
rect.width = rect2.right - rect2.left;
rect.height = rect2.bottom - rect2.left;
return success;
}
// Gets the item position
bool wxListCtrl::GetItemPosition(const long item, wxPoint& pos) const
{
POINT pt;
bool success = (ListView_GetItemPosition((HWND) GetHWND(), (int) item, &pt) != 0);
pos.x = pt.x; pos.y = pt.y;
return success;
}
// Sets the item position.
bool wxListCtrl::SetItemPosition(const long item, const wxPoint& pos)
{
return (ListView_SetItemPosition((HWND) GetHWND(), (int) item, pos.x, pos.y) != 0);
}
// Gets the number of items in the list control
int wxListCtrl::GetItemCount(void) const
{
return ListView_GetItemCount((HWND) GetHWND());
}
// Retrieves the spacing between icons in pixels.
// If small is TRUE, gets the spacing for the small icon
// view, otherwise the large icon view.
int wxListCtrl::GetItemSpacing(bool isSmall) const
{
return ListView_GetItemSpacing((HWND) GetHWND(), (BOOL) isSmall);
}
// Gets the number of selected items in the list control
int wxListCtrl::GetSelectedItemCount(void) const
{
return ListView_GetSelectedCount((HWND) GetHWND());
}
// Gets the text colour of the listview
wxColour wxListCtrl::GetTextColour(void) const
{
COLORREF ref = ListView_GetTextColor((HWND) GetHWND());
wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
return col;
}
// Sets the text colour of the listview
void wxListCtrl::SetTextColour(const wxColour& col)
{
ListView_SetTextColor((HWND) GetHWND(), PALETTERGB(col.Red(), col.Blue(), col.Green()));
}
// Gets the index of the topmost visible item when in
// list or report view
long wxListCtrl::GetTopItem(void) const
{
return (long) ListView_GetTopIndex((HWND) GetHWND());
}
// Searches for an item, starting from 'item'.
// 'geometry' is one of
// wxLIST_NEXT_ABOVE/ALL/BELOW/LEFT/RIGHT.
// 'state' is a state bit flag, one or more of
// wxLIST_STATE_DROPHILITED/FOCUSED/SELECTED/CUT.
// item can be -1 to find the first item that matches the
// specified flags.
// Returns the item or -1 if unsuccessful.
long wxListCtrl::GetNextItem(const long item, int geom, int state) const
{
long flags = 0;
if ( geom == wxLIST_NEXT_ABOVE )
flags |= LVNI_ABOVE;
if ( geom == wxLIST_NEXT_ALL )
flags |= LVNI_ALL;
if ( geom == wxLIST_NEXT_BELOW )
flags |= LVNI_BELOW;
if ( geom == wxLIST_NEXT_LEFT )
flags |= LVNI_TOLEFT;
if ( geom == wxLIST_NEXT_RIGHT )
flags |= LVNI_TORIGHT;
if ( state & wxLIST_STATE_CUT )
flags |= LVNI_CUT;
if ( state & wxLIST_STATE_DROPHILITED )
flags |= LVNI_DROPHILITED;
if ( state & wxLIST_STATE_FOCUSED )
flags |= LVNI_FOCUSED;
if ( state & wxLIST_STATE_SELECTED )
flags |= LVNI_SELECTED;
return (long) ListView_GetNextItem((HWND) GetHWND(), item, flags);
}
wxImageList *wxListCtrl::GetImageList(const int which) const
{
if ( which == wxIMAGE_LIST_NORMAL )
{
return m_imageListNormal;
}
else if ( which == wxIMAGE_LIST_SMALL )
{
return m_imageListSmall;
}
else if ( which == wxIMAGE_LIST_STATE )
{
return m_imageListState;
}
return NULL;
}
void wxListCtrl::SetImageList(wxImageList *imageList, const int which)
{
int flags = 0;
if ( which == wxIMAGE_LIST_NORMAL )
{
flags = LVSIL_NORMAL;
m_imageListNormal = imageList;
}
else if ( which == wxIMAGE_LIST_SMALL )
{
flags = LVSIL_SMALL;
m_imageListSmall = imageList;
}
else if ( which == wxIMAGE_LIST_STATE )
{
flags = LVSIL_STATE;
m_imageListState = imageList;
}
ListView_SetImageList((HWND) GetHWND(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
}
// Operations
////////////////////////////////////////////////////////////////////////////
// Arranges the items
bool wxListCtrl::Arrange(const int flag)
{
UINT code = 0;
if ( flag == wxLIST_ALIGN_LEFT )
code = LVA_ALIGNLEFT;
else if ( flag == wxLIST_ALIGN_TOP )
code = LVA_ALIGNTOP;
else if ( flag == wxLIST_ALIGN_DEFAULT )
code = LVA_DEFAULT;
else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID )
code = LVA_SNAPTOGRID;
return (ListView_Arrange((HWND) GetHWND(), code) != 0);
}
// Deletes an item
bool wxListCtrl::DeleteItem(const long item)
{
return (ListView_DeleteItem((HWND) GetHWND(), (int) item) != 0);
}
// Deletes all items
bool wxListCtrl::DeleteAllItems(void)
{
return (ListView_DeleteAllItems((HWND) GetHWND()) != 0);
}
// Deletes all items
bool wxListCtrl::DeleteAllColumns(void)
{
int i;
for ( i = 0; i < m_colCount; i++)
{
if (ListView_DeleteColumn((HWND) GetHWND(), 0) != 0)
m_colCount --;
}
return (m_colCount == 0);
}
// Deletes a column
bool wxListCtrl::DeleteColumn(const int col)
{
bool success = (ListView_DeleteColumn((HWND) GetHWND(), col) != 0);
if ( success && (m_colCount > 0) )
m_colCount --;
return success;
}
// Clears items, and columns if there are any.
void wxListCtrl::ClearAll(void)
{
DeleteAllItems();
if ( m_colCount > 0 )
DeleteAllColumns();
}
// Edits a label
wxTextCtrl& wxListCtrl::Edit(const long item)
{
HWND hWnd = (HWND) ListView_EditLabel((HWND) GetHWND(), (int) item);
m_textCtrl.SetHWND((WXHWND) hWnd);
return m_textCtrl;
}
// Ensures this item is visible
bool wxListCtrl::EnsureVisible(const long item)
{
return (ListView_EnsureVisible((HWND) GetHWND(), (int) item, FALSE) != 0);
}
// Find an item whose label matches this string, starting from the item after 'start'
// or the beginning if 'start' is -1.
long wxListCtrl::FindItem(const long start, const wxString& str, const bool partial)
{
LV_FINDINFO findInfo;
findInfo.flags = LVFI_STRING;
if ( partial )
findInfo.flags |= LVFI_STRING;
findInfo.psz = WXSTRINGCAST str;
return ListView_FindItem((HWND) GetHWND(), (int) start, & findInfo);
}
// Find an item whose data matches this data, starting from the item after 'start'
// or the beginning if 'start' is -1.
long wxListCtrl::FindItem(const long start, const long data)
{
LV_FINDINFO findInfo;
findInfo.flags = LVFI_PARAM;
findInfo.lParam = data;
return ListView_FindItem((HWND) GetHWND(), (int) start, & findInfo);
}
// Find an item nearest this position in the specified direction, starting from
// the item after 'start' or the beginning if 'start' is -1.
long wxListCtrl::FindItem(const long start, const wxPoint& pt, const int direction)
{
LV_FINDINFO findInfo;
findInfo.flags = LVFI_NEARESTXY;
findInfo.pt.x = pt.x;
findInfo.pt.y = pt.y;
findInfo.vkDirection = VK_RIGHT;
if ( direction == wxLIST_FIND_UP )
findInfo.vkDirection = VK_UP;
else if ( direction == wxLIST_FIND_DOWN )
findInfo.vkDirection = VK_DOWN;
else if ( direction == wxLIST_FIND_LEFT )
findInfo.vkDirection = VK_LEFT;
else if ( direction == wxLIST_FIND_RIGHT )
findInfo.vkDirection = VK_RIGHT;
return ListView_FindItem((HWND) GetHWND(), (int) start, & findInfo);
}
// 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)
{
LV_HITTESTINFO hitTestInfo;
hitTestInfo.pt.x = (int) point.x;
hitTestInfo.pt.y = (int) point.y;
ListView_HitTest((HWND) 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 ;
}
// Inserts an item, returning the index of the new item if successful,
// -1 otherwise.
long wxListCtrl::InsertItem(wxListItem& info)
{
LV_ITEM item;
wxConvertToMSWListItem(this, info, item);
return (long) ListView_InsertItem((HWND) GetHWND(), & item);
}
long wxListCtrl::InsertItem(const long index, const wxString& label)
{
wxListItem info;
info.m_text = label;
info.m_mask = wxLIST_MASK_TEXT;
info.m_itemId = index;
return InsertItem(info);
}
// Inserts an image item
long wxListCtrl::InsertItem(const long index, const int imageIndex)
{
wxListItem info;
info.m_image = imageIndex;
info.m_mask = wxLIST_MASK_IMAGE;
info.m_itemId = index;
return InsertItem(info);
}
// Inserts an image/string item
long wxListCtrl::InsertItem(const long index, const wxString& label, const int imageIndex)
{
wxListItem info;
info.m_image = imageIndex;
info.m_text = label;
info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT;
info.m_itemId = index;
return InsertItem(info);
}
// For list view mode (only), inserts a column.
long wxListCtrl::InsertColumn(const long col, wxListItem& item)
{
LV_COLUMN lvCol;
lvCol.mask = 0;
lvCol.fmt = 0;
lvCol.pszText = NULL;
if ( item.m_mask & wxLIST_MASK_TEXT )
{
lvCol.mask |= LVCF_TEXT;
lvCol.pszText = WXSTRINGCAST item.m_text;
lvCol.cchTextMax = 0; // Ignored
}
if ( item.m_mask & wxLIST_MASK_FORMAT )
{
lvCol.mask |= LVCF_FMT;
if ( item.m_format == wxLIST_FORMAT_LEFT )
lvCol.fmt = LVCFMT_LEFT;
if ( item.m_format == wxLIST_FORMAT_RIGHT )
lvCol.fmt = LVCFMT_RIGHT;
if ( item.m_format == wxLIST_FORMAT_CENTRE )
lvCol.fmt = LVCFMT_CENTER;
}
if ( item.m_mask & wxLIST_MASK_WIDTH )
{
lvCol.mask |= LVCF_WIDTH;
lvCol.cx = item.m_width;
if ( lvCol.cx == wxLIST_AUTOSIZE)
lvCol.cx = LVSCW_AUTOSIZE;
else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER)
lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
}
lvCol.mask |= LVCF_SUBITEM;
lvCol.iSubItem = col;
bool success = (ListView_InsertColumn((HWND) GetHWND(), col, & lvCol) != 0);
if ( success )
m_colCount ++;
return success;
}
long wxListCtrl::InsertColumn(const long col, const wxString& heading, const int format,
const int width)
{
wxListItem item;
item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
item.m_text = heading;
if ( width > -1 )
{
item.m_mask |= wxLIST_MASK_WIDTH;
item.m_width = width;
}
item.m_format = format;
return InsertColumn(col, item);
}
// 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.
// If in icon, small icon or list view mode, y specifies the number of pixels
// to scroll. If in report view mode, y specifies the number of lines to scroll.
bool wxListCtrl::ScrollList(const int dx, const int dy)
{
return (ListView_Scroll((HWND) GetHWND(), dx, dy) != 0);
}
// Sort items.
// fn is a function which takes 3 long arguments: item1, item2, data.
// item1 is the long data associated with a first item (NOT the index).
// item2 is the long data associated with a second item (NOT the index).
// data is the same value as passed to SortItems.
// The return value is a negative number if the first item should precede the second
// item, a positive number of the second item should precede the first,
// or zero if the two items are equivalent.
// data is arbitrary data to be passed to the sort function.
bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
{
return (ListView_SortItems((HWND) GetHWND(), (PFNLVCOMPARE) fn, data) != 0);
}
bool wxListCtrl::MSWCommand(const WXUINT cmd, const WXWORD id)
{
if (cmd == EN_UPDATE)
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
event.SetEventObject( this );
ProcessCommand(event);
return TRUE;
}
else if (cmd == EN_KILLFOCUS)
{
wxCommandEvent event(wxEVT_KILL_FOCUS, id);
event.SetEventObject( this );
ProcessCommand(event);
return TRUE;
}
else return FALSE;
}
bool wxListCtrl::MSWNotify(const WXWPARAM wParam, const WXLPARAM lParam)
{
wxListEvent event(wxEVT_NULL, m_windowId);
wxEventType eventType = wxEVT_NULL;
NMHDR *hdr1 = (NMHDR *) lParam;
switch ( hdr1->code )
{
case LVN_BEGINDRAG:
{
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;
break;
}
case LVN_BEGINLABELEDIT:
{
eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(this, event.m_item, info->item, (HWND) GetHWND());
break;
}
case LVN_BEGINRDRAG:
{
eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
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;
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;
}
case LVN_DELETEALLITEMS:
{
eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
// NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
event.m_itemIndex = -1;
break;
}
case LVN_DELETEITEM:
{
eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
event.m_itemIndex = hdr->iItem;
break;
}
case LVN_ENDLABELEDIT:
{
eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(this, event.m_item, info->item, (HWND) GetHWND());
if ( info->item.pszText == NULL || info->item.iItem == -1 )
event.m_cancelled = TRUE;
break;
}
case LVN_GETDISPINFO:
{
// return FALSE;
// 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, (HWND) GetHWND());
break;
}
case LVN_INSERTITEM:
{
eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
NM_LISTVIEW* hdr = (NM_LISTVIEW*)lParam;
event.m_itemIndex = hdr->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.
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;
}
case LVN_KEYDOWN:
{
eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
event.m_code = wxCharCodeMSWToWX(info->wVKey);
break;
}
case LVN_SETDISPINFO:
{
eventType = wxEVT_COMMAND_LIST_SET_INFO;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(this, event.m_item, info->item, (HWND) GetHWND());
break;
}
default :
return wxControl::MSWNotify(wParam, lParam);
break;
}
event.SetEventObject( this );
event.SetEventType(eventType);
if ( !GetEventHandler()->ProcessEvent(event) )
return FALSE;
if (hdr1->code == 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 = strlen(info->item.pszText) + 1;
}
}
// wxConvertToMSWListItem(this, event.m_item, info->item);
}
return TRUE;
}
char *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((char *) (const char *)str);
return (char *)node->Data();
}
// List item structure
wxListItem::wxListItem(void)
{
m_mask = 0;
m_itemId = 0;
m_col = 0;
m_state = 0;
m_stateMask = 0;
m_image = 0;
m_data = 0;
m_format = wxLIST_FORMAT_CENTRE;
m_width = 0;
}
static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem, HWND getFullInfo)
{
info.m_data = lvItem.lParam;
info.m_mask = 0;
info.m_state = 0;
info.m_stateMask = 0;
info.m_itemId = lvItem.iItem;
long oldMask = lvItem.mask;
bool needText = FALSE;
if (getFullInfo != 0)
{
if ( lvItem.mask & LVIF_TEXT )
needText = FALSE;
else
needText = TRUE;
if ( needText )
{
lvItem.pszText = new char[513];
lvItem.cchTextMax = 512;
}
// lvItem.mask |= TVIF_HANDLE | TVIF_STATE | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM ;
lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM ;
::SendMessage(getFullInfo, LVM_GETITEM, 0, (LPARAM)& lvItem) ;
}
if ( lvItem.mask & LVIF_STATE )
{
info.m_mask |= wxLIST_MASK_STATE;
if ( lvItem.stateMask & LVIS_CUT)
{
info.m_stateMask |= wxLIST_STATE_CUT ;
if ( lvItem.state & LVIS_CUT )
info.m_state |= wxLIST_STATE_CUT ;
}
if ( lvItem.stateMask & LVIS_DROPHILITED)
{
info.m_stateMask |= wxLIST_STATE_DROPHILITED ;
if ( lvItem.state & LVIS_DROPHILITED )
info.m_state |= wxLIST_STATE_DROPHILITED ;
}
if ( lvItem.stateMask & LVIS_FOCUSED)
{
info.m_stateMask |= wxLIST_STATE_FOCUSED ;
if ( lvItem.state & LVIS_FOCUSED )
info.m_state |= wxLIST_STATE_FOCUSED ;
}
if ( lvItem.stateMask & LVIS_SELECTED)
{
info.m_stateMask |= wxLIST_STATE_SELECTED ;
if ( lvItem.state & LVIS_SELECTED )
info.m_state |= wxLIST_STATE_SELECTED ;
}
}
if ( lvItem.mask & LVIF_TEXT )
{
info.m_mask |= wxLIST_MASK_TEXT;
info.m_text = lvItem.pszText;
}
if ( lvItem.mask & LVIF_IMAGE )
{
info.m_mask |= wxLIST_MASK_IMAGE;
info.m_image = lvItem.iImage;
}
if ( lvItem.mask & LVIF_PARAM )
info.m_mask |= wxLIST_MASK_DATA;
if ( lvItem.mask & LVIF_DI_SETITEM )
info.m_mask |= wxLIST_SET_ITEM;
info.m_col = lvItem.iSubItem;
if (needText)
{
if (lvItem.pszText)
delete[] lvItem.pszText;
}
lvItem.mask = oldMask ;
}
static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem)
{
lvItem.iItem = (int) info.m_itemId ;
lvItem.iImage = info.m_image ;
lvItem.lParam = info.m_data;
lvItem.stateMask = 0;
lvItem.state = 0;
lvItem.mask = 0;
lvItem.iSubItem = info.m_col;
if (info.m_mask & wxLIST_MASK_STATE)
{
lvItem.mask |= LVIF_STATE ;
if (info.m_stateMask & wxLIST_STATE_CUT)
{
lvItem.stateMask |= LVIS_CUT ;
if (info.m_state & wxLIST_STATE_CUT)
lvItem.state |= LVIS_CUT;
}
if (info.m_stateMask & wxLIST_STATE_DROPHILITED)
{
lvItem.stateMask |= LVIS_DROPHILITED;
if (info.m_state & wxLIST_STATE_DROPHILITED)
lvItem.state |= LVIS_DROPHILITED;
}
if (info.m_stateMask & wxLIST_STATE_FOCUSED)
{
lvItem.stateMask |= LVIS_FOCUSED;
if (info.m_state & wxLIST_STATE_FOCUSED)
lvItem.state |= LVIS_FOCUSED;
}
if (info.m_stateMask & wxLIST_STATE_SELECTED)
{
lvItem.stateMask |= LVIS_SELECTED;
if (info.m_state & wxLIST_STATE_SELECTED)
lvItem.state |= LVIS_SELECTED;
}
}
if (info.m_mask & wxLIST_MASK_TEXT)
{
lvItem.mask |= LVIF_TEXT ;
if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT )
{
lvItem.pszText = LPSTR_TEXTCALLBACK;
}
else
{
lvItem.pszText = (char *) (const char *)info.m_text ;
if ( lvItem.pszText )
lvItem.cchTextMax = info.m_text.Length();
else
lvItem.cchTextMax = 0;
}
}
if (info.m_mask & wxLIST_MASK_IMAGE)
lvItem.mask |= LVIF_IMAGE ;
if (info.m_mask & wxLIST_MASK_DATA)
lvItem.mask |= LVIF_PARAM ;
}
// List event
IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxCommandEvent)
wxListEvent::wxListEvent(wxEventType commandType, int id):
wxCommandEvent(commandType, id)
{
m_code = 0;
m_itemIndex = 0;
m_col = 0;
m_cancelled = FALSE;
}
#endif
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