added some wxMSW stuff
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
837
src/msw/listbox.cpp
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837
src/msw/listbox.cpp
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@@ -0,0 +1,837 @@
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///////////////////////////////////////////////////////////////////////////////
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// Name: listbox.cpp
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// Purpose: wxListBox
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// Author: Julian Smart
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// Modified by: Vadim Zeitlin (owner drawn stuff)
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// Created:
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "listbox.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/listbox.h"
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#include "wx/settings.h"
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#endif
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#include "wx/msw/private.h"
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#include <windows.h>
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#include <windowsx.h>
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#ifdef __GNUWIN32__
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#include <wx/msw/gnuwin32/extra.h>
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#endif
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#ifdef GetCharWidth
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#undef GetCharWidth
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#endif
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#if USE_OWNER_DRAWN
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#include "wx/ownerdrw.h"
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#endif
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
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#endif
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// ============================================================================
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// list box item declaration and implementation
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// ============================================================================
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#if USE_OWNER_DRAWN
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class wxListBoxItem : public wxOwnerDrawn
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{
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public:
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wxListBoxItem(const wxString& str = "");
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};
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wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE)
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{
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// no bitmaps/checkmarks
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SetMarginWidth(0);
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}
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wxOwnerDrawn *wxListBox::CreateItem(uint n)
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{
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return new wxListBoxItem();
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}
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#endif //USE_OWNER_DRAWN
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// ============================================================================
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// list box control implementation
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// ============================================================================
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// this macro is dangerous but still better than tons of (HWND)GetHWND()
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#define hwnd (HWND)GetHWND()
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bool wxListBox::MSWCommand(const WXUINT param, const WXWORD WXUNUSED(id))
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{
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/*
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if (param == LBN_SELCANCEL)
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{
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event.extraLong = FALSE;
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}
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*/
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if (param == LBN_SELCHANGE)
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{
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wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, m_windowId);
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int *liste = NULL;
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int count = GetSelections(&liste) ;
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if (count && liste)
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{
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event.m_commandInt = liste[0] ;
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event.m_clientData = GetClientData(event.m_commandInt);
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wxString str(GetString(event.m_commandInt));
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if (str != "")
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event.m_commandString = copystring((char *)(const char *)str);
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}
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else
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{
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event.m_commandInt = -1 ;
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event.m_commandString = copystring("") ;
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}
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event.SetEventObject( this );
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ProcessCommand(event);
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if (event.m_commandString)
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delete[] event.m_commandString ;
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return TRUE;
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}
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else if (param == LBN_DBLCLK)
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{
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wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, m_windowId);
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event.SetEventObject( this );
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if ( !GetEventHandler()->ProcessEvent(event) )
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{
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#if WXWIN_COMPATIBILITY
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wxWindow *parent = (wxWindow *)GetParent();
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if (parent)
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parent->GetEventHandler()->OnDefaultAction(this);
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#endif
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return TRUE;
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}
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}
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return FALSE;
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}
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// Listbox item
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wxListBox::wxListBox(void)
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{
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m_noItems = 0;
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m_selected = 0;
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m_selections = NULL;
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}
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bool wxListBox::Create(wxWindow *parent, const wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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const int n, const wxString choices[],
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const long style,
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const wxValidator& validator,
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const wxString& name)
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{
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m_noItems = n;
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m_hWnd = 0;
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m_selected = 0;
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m_selections = NULL;
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SetName(name);
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SetValidator(validator);
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if (parent) parent->AddChild(this);
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wxSystemSettings settings;
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SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW));
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SetForegroundColour(parent->GetDefaultForegroundColour());
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m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
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int x = pos.x;
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int y = pos.y;
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int width = size.x;
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int height = size.y;
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m_windowStyle = style;
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DWORD wstyle = WS_VSCROLL | WS_TABSTOP | LBS_NOTIFY | LBS_HASSTRINGS;
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if (m_windowStyle & wxLB_MULTIPLE)
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wstyle |= LBS_MULTIPLESEL;
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else if (m_windowStyle & wxLB_EXTENDED)
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wstyle |= LBS_EXTENDEDSEL;
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if (m_windowStyle & wxLB_ALWAYS_SB)
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wstyle |= LBS_DISABLENOSCROLL ;
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if (m_windowStyle & wxLB_HSCROLL)
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wstyle |= WS_HSCROLL;
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if (m_windowStyle & wxLB_SORT)
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wstyle |= LBS_SORT;
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#if USE_OWNER_DRAWN
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if ( m_windowStyle & wxLB_OWNERDRAW ) {
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// we don't support LBS_OWNERDRAWVARIABLE yet
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wstyle |= LBS_OWNERDRAWFIXED;
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}
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#else
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// Change from previous versions of wxWin: JACS Nov. 1995
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// Not sure whether to have integral, or no integral
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// style. With the latter we may get partial items showing.
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// VZ: also it makes life more difficult for owner-drawn controls
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wstyle |= LBS_NOINTEGRALHEIGHT;
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#endif
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bool want3D;
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WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
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// Even with extended styles, need to combine with WS_BORDER
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// for them to look right.
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if ( want3D || (m_windowStyle & wxSIMPLE_BORDER)
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|| (m_windowStyle & wxRAISED_BORDER)
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|| (m_windowStyle & wxSUNKEN_BORDER)
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|| (m_windowStyle & wxDOUBLE_BORDER) ) {
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wstyle |= WS_BORDER;
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}
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HWND wx_list = CreateWindowEx(exStyle, "LISTBOX", NULL,
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wstyle | WS_CHILD,
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0, 0, 0, 0,
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(HWND)parent->GetHWND(), (HMENU)m_windowId,
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wxGetInstance(), NULL);
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#if CTL3D
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if (want3D)
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{
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Ctl3dSubclassCtl(wx_list);
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m_useCtl3D = TRUE;
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}
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#endif
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uint ui;
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for (ui = 0; ui < (uint)n; ui++) {
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SendMessage(wx_list, LB_ADDSTRING, 0, (LPARAM)(const char *)choices[ui]);
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}
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#if USE_OWNER_DRAWN
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if ( m_windowStyle & wxLB_OWNERDRAW ) {
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for (ui = 0; ui < (uint)n; ui++) {
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// create new item which will process WM_{DRAW|MEASURE}ITEM messages
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wxOwnerDrawn *pNewItem = CreateItem(ui);
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pNewItem->SetName(choices[ui]);
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m_aItems.Add(pNewItem);
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ListBox_SetItemData(wx_list, ui, pNewItem);
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}
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}
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#endif
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if ((m_windowStyle & wxLB_MULTIPLE) == 0)
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SendMessage(wx_list, LB_SETCURSEL, 0, 0);
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ShowWindow(wx_list, SW_SHOW);
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m_hWnd = (WXHWND)wx_list;
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// Subclass again for purposes of dialog editing mode
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SubclassWin((WXHWND)wx_list);
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SetFont(* parent->GetFont());
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SetSize(x, y, width, height);
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return TRUE;
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}
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wxListBox::~wxListBox(void)
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{
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#if USE_OWNER_DRAWN
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uint uiCount = m_aItems.Count();
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while ( uiCount-- != 0 ) {
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delete m_aItems[uiCount];
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}
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#endif
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DELETEA(m_selections);
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}
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void wxListBox::SetupColours(void)
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{
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SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
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SetForegroundColour(GetParent()->GetDefaultForegroundColour());
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}
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void wxListBox::SetFirstItem(const int N)
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{
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SendMessage(hwnd,LB_SETTOPINDEX,(WPARAM)N,(LPARAM)0) ;
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}
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void wxListBox::SetFirstItem(const wxString& s)
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{
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int N = FindString(s) ;
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if (N>=0)
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SetFirstItem(N) ;
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}
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void wxListBox::Delete(const int N)
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{
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SendMessage(hwnd, LB_DELETESTRING, N, 0);
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m_noItems --;
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SetHorizontalExtent("");
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}
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void wxListBox::Append(const wxString& item)
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{
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int index = ListBox_AddString(hwnd, item);
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m_noItems ++;
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#if USE_OWNER_DRAWN
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if ( m_windowStyle & wxLB_OWNERDRAW ) {
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wxOwnerDrawn *pNewItem = CreateItem(-1); // dummy argument
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pNewItem->SetName(item);
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m_aItems.Add(pNewItem);
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ListBox_SetItemData(hwnd, index, pNewItem);
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}
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#endif
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SetHorizontalExtent(item);
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}
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void wxListBox::Append(const wxString& item, char *Client_data)
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{
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int index = ListBox_AddString(hwnd, item);
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m_noItems ++;
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#if USE_OWNER_DRAWN
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if ( m_windowStyle & wxLB_OWNERDRAW ) {
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// client data must be pointer to wxOwnerDrawn, otherwise we would crash
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// in OnMeasure/OnDraw.
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wxFAIL_MSG("Can't use client data with owner-drawn listboxes");
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}
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else
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#endif
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ListBox_SetItemData(hwnd, index, Client_data);
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SetHorizontalExtent(item);
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}
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void wxListBox::Set(const int n, const wxString *choices, char** clientData)
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{
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ShowWindow(hwnd, SW_HIDE);
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ListBox_ResetContent(hwnd);
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int i;
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for (i = 0; i < n; i++)
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{
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ListBox_AddString(hwnd, choices[i]);
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if ( clientData )
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ListBox_SetItemData(hwnd, i, clientData[i]);
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}
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m_noItems = n;
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#if USE_OWNER_DRAWN
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if ( m_windowStyle & wxLB_OWNERDRAW ) {
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// first delete old items
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uint ui = m_aItems.Count();
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while ( ui-- != 0 ) {
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delete m_aItems[ui];
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}
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m_aItems.Empty();
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// then create new ones
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for (ui = 0; ui < (uint)n; ui++) {
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wxOwnerDrawn *pNewItem = CreateItem(ui);
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pNewItem->SetName(choices[ui]);
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m_aItems.Add(pNewItem);
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ListBox_SetItemData(hwnd, ui, pNewItem);
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wxASSERT_MSG(clientData[ui] == NULL,
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"Can't use client data with owner-drawn listboxes");
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}
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}
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#endif
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SetHorizontalExtent("");
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ShowWindow(hwnd, SW_SHOW);
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}
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int wxListBox::FindString(const wxString& s) const
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{
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int pos = ListBox_FindStringExact(hwnd, (WPARAM)-1, s);
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if (pos == LB_ERR)
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return -1;
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else
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return pos;
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}
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void wxListBox::Clear(void)
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{
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ListBox_ResetContent(hwnd);
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m_noItems = 0;
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ListBox_GetHorizontalExtent(hwnd);
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}
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void wxListBox::SetSelection(const int N, const bool select)
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{
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if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
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SendMessage(hwnd, LB_SETSEL, select, N);
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else
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{
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int N1 = N;
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if (!select)
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N1 = -1;
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SendMessage(hwnd, LB_SETCURSEL, N1, 0);
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}
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}
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bool wxListBox::Selected(const int N) const
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{
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return SendMessage(hwnd, LB_GETSEL, N, 0) == 0 ? FALSE : TRUE;
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}
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void wxListBox::Deselect(const int N)
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{
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if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
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SendMessage(hwnd, LB_SETSEL, FALSE, N);
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}
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char *wxListBox::GetClientData(const int N) const
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{
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return (char *)SendMessage(hwnd, LB_GETITEMDATA, N, 0);
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}
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void wxListBox::SetClientData(const int N, char *Client_data)
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{
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(void)SendMessage(hwnd, LB_SETITEMDATA, N, (LONG)Client_data);
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/*
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if (result == LB_ERR)
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return -1;
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else
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return 0;
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*/
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}
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// Return number of selections and an array of selected integers
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// Use selections field to store data, which will be cleaned up
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// by destructor if necessary.
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int wxListBox::GetSelections(int **list_selections) const
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{
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wxListBox *nonConst = (wxListBox *)this; // const is a white lie!
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if (nonConst->m_selections)
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{ delete[] nonConst->m_selections; nonConst->m_selections = NULL; };
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if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
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{
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int no_sel = (int)SendMessage(hwnd, LB_GETSELCOUNT, 0, 0);
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if (no_sel == 0)
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return 0;
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nonConst->m_selections = new int[no_sel];
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SendMessage(hwnd, LB_GETSELITEMS, no_sel, (LONG)m_selections);
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*list_selections = m_selections;
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return no_sel;
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}
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else
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||||
{
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int sel = (int)SendMessage(hwnd, LB_GETCURSEL, 0, 0);
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if (sel == LB_ERR)
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return 0;
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nonConst->m_selections = new int[1];
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nonConst->m_selections[0] = sel;
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*list_selections = m_selections;
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return 1;
|
||||
}
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}
|
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// Get single selection, for single choice list items
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int wxListBox::GetSelection(void) const
|
||||
{
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wxListBox *nonConst = (wxListBox *)this; // const is a white lie!
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if (nonConst->m_selections)
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{ delete[] nonConst->m_selections; nonConst->m_selections = NULL; };
|
||||
if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
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||||
return -1;
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||||
else
|
||||
{
|
||||
int sel = (int)SendMessage(hwnd, LB_GETCURSEL, 0, 0);
|
||||
if (sel == LB_ERR)
|
||||
return -1;
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||||
else
|
||||
{
|
||||
return sel;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Find string for position
|
||||
wxString wxListBox::GetString(const int N) const
|
||||
{
|
||||
if (N < 0 || N > m_noItems)
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||||
return wxString("");
|
||||
|
||||
int len = (int)SendMessage(hwnd, LB_GETTEXT, N, (LONG)wxBuffer);
|
||||
wxBuffer[len] = 0;
|
||||
return wxString(wxBuffer);
|
||||
}
|
||||
|
||||
void wxListBox::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags)
|
||||
{
|
||||
int currentX, currentY;
|
||||
GetPosition(¤tX, ¤tY);
|
||||
|
||||
int x1 = x;
|
||||
int y1 = y;
|
||||
int w1 = width;
|
||||
int h1 = height;
|
||||
|
||||
if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
|
||||
x1 = currentX;
|
||||
if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
|
||||
y1 = currentY;
|
||||
|
||||
// If we're prepared to use the existing size, then...
|
||||
if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
|
||||
{
|
||||
GetSize(&w1, &h1);
|
||||
}
|
||||
|
||||
int cx; // button font dimensions
|
||||
int cy;
|
||||
|
||||
wxGetCharSize(GetHWND(), &cx, &cy,GetFont());
|
||||
|
||||
float control_width, control_height, control_x, control_y;
|
||||
|
||||
// Deal with default size (using -1 values)
|
||||
if (w1<=0)
|
||||
w1 = DEFAULT_ITEM_WIDTH;
|
||||
|
||||
if (h1<=0)
|
||||
h1 = DEFAULT_ITEM_HEIGHT;
|
||||
|
||||
control_x = (float)x1;
|
||||
control_y = (float)y1;
|
||||
control_width = (float)w1;
|
||||
control_height = (float)h1;
|
||||
|
||||
// Calculations may have made size too small
|
||||
if (control_height <= 0)
|
||||
control_height = (float)DEFAULT_ITEM_HEIGHT;
|
||||
|
||||
if (control_width <= 0)
|
||||
control_width = (float)DEFAULT_ITEM_WIDTH;
|
||||
|
||||
// wxDebugMsg("About to set the listbox height to %d", (int)control_height);
|
||||
MoveWindow(hwnd, (int)control_x, (int)control_y,
|
||||
(int)control_width, (int)control_height, TRUE);
|
||||
|
||||
/*
|
||||
#if WXWIN_COMPATIBILITY
|
||||
GetEventHandler()->OldOnSize(width, height);
|
||||
#else
|
||||
wxSizeEvent event(wxSize(width, height), m_windowId);
|
||||
event.eventObject = this;
|
||||
GetEventHandler()->ProcessEvent(event);
|
||||
#endif
|
||||
*/
|
||||
|
||||
}
|
||||
|
||||
// Windows-specific code to set the horizontal extent of
|
||||
// the listbox, if necessary. If s is non-NULL, it's
|
||||
// used to calculate the horizontal extent.
|
||||
// Otherwise, all strings are used.
|
||||
void wxListBox::SetHorizontalExtent(const wxString& s)
|
||||
{
|
||||
// Only necessary if we want a horizontal scrollbar
|
||||
if (!(m_windowStyle & wxHSCROLL))
|
||||
return;
|
||||
TEXTMETRIC lpTextMetric;
|
||||
|
||||
if (s != "")
|
||||
{
|
||||
int existingExtent = (int)SendMessage(hwnd, LB_GETHORIZONTALEXTENT, 0, 0L);
|
||||
HDC dc = GetWindowDC(hwnd);
|
||||
HFONT oldFont = 0;
|
||||
if (GetFont() && GetFont()->GetResourceHandle())
|
||||
oldFont = ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle());
|
||||
|
||||
GetTextMetrics(dc, &lpTextMetric);
|
||||
SIZE extentXY;
|
||||
::GetTextExtentPoint(dc, (LPSTR) (const char *)s, s.Length(), &extentXY);
|
||||
int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
|
||||
|
||||
if (oldFont)
|
||||
::SelectObject(dc, oldFont);
|
||||
|
||||
ReleaseDC(hwnd, dc);
|
||||
if (extentX > existingExtent)
|
||||
SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(extentX), 0L);
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
int largestExtent = 0;
|
||||
HDC dc = GetWindowDC(hwnd);
|
||||
HFONT oldFont = 0;
|
||||
if (GetFont() && GetFont()->GetResourceHandle())
|
||||
oldFont = ::SelectObject(dc, (HFONT) GetFont()->GetResourceHandle());
|
||||
|
||||
GetTextMetrics(dc, &lpTextMetric);
|
||||
int i;
|
||||
for (i = 0; i < m_noItems; i++)
|
||||
{
|
||||
int len = (int)SendMessage(hwnd, LB_GETTEXT, i, (LONG)wxBuffer);
|
||||
wxBuffer[len] = 0;
|
||||
SIZE extentXY;
|
||||
::GetTextExtentPoint(dc, (LPSTR)wxBuffer, len, &extentXY);
|
||||
int extentX = (int)(extentXY.cx + lpTextMetric.tmAveCharWidth);
|
||||
if (extentX > largestExtent)
|
||||
largestExtent = extentX;
|
||||
}
|
||||
if (oldFont)
|
||||
::SelectObject(dc, oldFont);
|
||||
|
||||
ReleaseDC(hwnd, dc);
|
||||
SendMessage(hwnd, LB_SETHORIZONTALEXTENT, LOWORD(largestExtent), 0L);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
wxListBox::InsertItems(const int nItems, const wxString items[], const int pos)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < nItems; i++)
|
||||
ListBox_InsertString(hwnd, i + pos, items[i]);
|
||||
m_noItems += nItems;
|
||||
|
||||
#if USE_OWNER_DRAWN
|
||||
if ( m_windowStyle & wxLB_OWNERDRAW ) {
|
||||
for ( i = 0; i < nItems; i++ ) {
|
||||
wxOwnerDrawn *pNewItem = CreateItem((uint)(pos + i));
|
||||
pNewItem->SetName(items[i]);
|
||||
m_aItems.Insert(pNewItem, (uint)(pos + i));
|
||||
ListBox_SetItemData(hwnd, i, pNewItem);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
SetHorizontalExtent("");
|
||||
}
|
||||
|
||||
void wxListBox::SetString(const int N, const wxString& s)
|
||||
{
|
||||
int sel = GetSelection();
|
||||
|
||||
char *oldData = (char *)wxListBox::GetClientData(N);
|
||||
|
||||
SendMessage(hwnd, LB_DELETESTRING, N, 0);
|
||||
|
||||
int newN = N;
|
||||
if (N == (m_noItems - 1))
|
||||
newN = -1;
|
||||
|
||||
SendMessage(hwnd, LB_INSERTSTRING, newN, (LPARAM) (const char *)s);
|
||||
if (oldData)
|
||||
wxListBox::SetClientData(N, oldData);
|
||||
|
||||
// Selection may have changed
|
||||
if (sel >= 0)
|
||||
SetSelection(sel);
|
||||
|
||||
#if USE_OWNER_DRAWN
|
||||
// update item's text
|
||||
m_aItems[N]->SetName(s);
|
||||
#endif //USE_OWNER_DRAWN
|
||||
}
|
||||
|
||||
int wxListBox::Number (void) const
|
||||
{
|
||||
return m_noItems;
|
||||
}
|
||||
|
||||
// For single selection items only
|
||||
wxString wxListBox::GetStringSelection (void) const
|
||||
{
|
||||
int sel = GetSelection ();
|
||||
if (sel > -1)
|
||||
return this->GetString (sel);
|
||||
else
|
||||
return wxString("");
|
||||
}
|
||||
|
||||
bool wxListBox::SetStringSelection (const wxString& s, const bool flag)
|
||||
{
|
||||
int sel = FindString (s);
|
||||
if (sel > -1)
|
||||
{
|
||||
SetSelection (sel, flag);
|
||||
return TRUE;
|
||||
}
|
||||
else
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
// Is this the right thing? Won't setselection generate a command
|
||||
// event too? No! It'll just generate a setselection event.
|
||||
// But we still can't have this being called whenever a real command
|
||||
// is generated, because it sets the selection, which will already
|
||||
// have been done! (Unless we have an optional argument for calling
|
||||
// by the actual window system, or a separate function, ProcessCommand)
|
||||
void wxListBox::Command (wxCommandEvent & event)
|
||||
{
|
||||
if (event.m_extraLong)
|
||||
SetSelection (event.m_commandInt);
|
||||
else
|
||||
{
|
||||
Deselect (event.m_commandInt);
|
||||
return;
|
||||
}
|
||||
ProcessCommand (event);
|
||||
}
|
||||
|
||||
WXHBRUSH wxListBox::OnCtlColor(const WXHDC pDC, const WXHWND pWnd, const WXUINT nCtlColor,
|
||||
WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
|
||||
{
|
||||
#if CTL3D
|
||||
if ( m_useCtl3D )
|
||||
{
|
||||
HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
|
||||
return (WXHBRUSH) hbrush;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (GetParent()->GetTransparentBackground())
|
||||
SetBkMode((HDC) pDC, TRANSPARENT);
|
||||
else
|
||||
SetBkMode((HDC) pDC, OPAQUE);
|
||||
|
||||
::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
|
||||
::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
|
||||
|
||||
wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
|
||||
|
||||
// Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
|
||||
// has a zero usage count.
|
||||
backgroundBrush->RealizeResource();
|
||||
return (WXHBRUSH) backgroundBrush->GetResourceHandle();
|
||||
}
|
||||
|
||||
long wxListBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
|
||||
{
|
||||
/*
|
||||
switch (nMsg)
|
||||
{
|
||||
case WM_INITDIALOG:
|
||||
case WM_ACTIVATE:
|
||||
case WM_SETFOCUS:
|
||||
case WM_KILLFOCUS:
|
||||
case WM_CREATE:
|
||||
case WM_PAINT:
|
||||
case WM_QUERYDRAGICON:
|
||||
case WM_SIZE:
|
||||
case WM_RBUTTONDOWN:
|
||||
case WM_RBUTTONUP:
|
||||
case WM_RBUTTONDBLCLK:
|
||||
case WM_MBUTTONDOWN:
|
||||
case WM_MBUTTONUP:
|
||||
case WM_MBUTTONDBLCLK:
|
||||
case WM_LBUTTONDOWN:
|
||||
case WM_LBUTTONUP:
|
||||
// case WM_LBUTTONDBLCLK:
|
||||
case WM_MOUSEMOVE:
|
||||
case WM_DESTROY:
|
||||
case WM_COMMAND:
|
||||
case WM_NOTIFY:
|
||||
case WM_MENUSELECT:
|
||||
case WM_INITMENUPOPUP:
|
||||
case WM_DRAWITEM:
|
||||
case WM_MEASUREITEM:
|
||||
case WM_KEYDOWN:
|
||||
case WM_KEYUP:
|
||||
case WM_CHAR: // Always an ASCII character
|
||||
case WM_HSCROLL:
|
||||
case WM_VSCROLL:
|
||||
case WM_CTLCOLORBTN:
|
||||
case WM_CTLCOLORDLG:
|
||||
case WM_CTLCOLORLISTBOX:
|
||||
case WM_CTLCOLORMSGBOX:
|
||||
case WM_CTLCOLORSCROLLBAR:
|
||||
case WM_CTLCOLORSTATIC:
|
||||
case WM_CTLCOLOREDIT:
|
||||
case WM_SYSCOLORCHANGE:
|
||||
case WM_ERASEBKGND:
|
||||
case WM_MDIACTIVATE:
|
||||
case WM_DROPFILES:
|
||||
case WM_QUERYENDSESSION:
|
||||
case WM_CLOSE:
|
||||
case WM_GETMINMAXINFO:
|
||||
case WM_NCHITTEST:
|
||||
return MSWDefWindowProc(nMsg, wParam, lParam );
|
||||
}
|
||||
*/
|
||||
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
|
||||
}
|
||||
|
||||
#if USE_OWNER_DRAWN
|
||||
|
||||
// drawing
|
||||
// -------
|
||||
|
||||
// space beneath/above each row in pixels
|
||||
// "standard" checklistbox use 1 here, some might prefer 2. 0 is ugly.
|
||||
#define OWNER_DRAWN_LISTBOX_EXTRA_SPACE (1)
|
||||
|
||||
// the height is the same for all items
|
||||
// ## should be changed for LBS_OWNERDRAWVARIABLE style listboxes
|
||||
// NB: can't forward this to wxListBoxItem because LB_SETITEMDATA
|
||||
// message is not yet sent when we get here!
|
||||
bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
|
||||
{
|
||||
// only owner-drawn control should receive this message
|
||||
wxCHECK_RET( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
|
||||
|
||||
MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
|
||||
|
||||
wxDC dc;
|
||||
dc.SetHDC((WXHDC)CreateIC("DISPLAY", NULL, NULL, 0));
|
||||
dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT));
|
||||
|
||||
pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE;
|
||||
pStruct->itemWidth = dc.GetCharWidth();
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
// forward the message to the appropriate item
|
||||
bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
|
||||
{
|
||||
// only owner-drawn control should receive this message
|
||||
wxCHECK_RET( ((m_windowStyle & wxLB_OWNERDRAW) == wxLB_OWNERDRAW), FALSE );
|
||||
|
||||
DRAWITEMSTRUCT *pStruct = (DRAWITEMSTRUCT *)item;
|
||||
wxListBoxItem *pItem = (wxListBoxItem *)SendMessage(hwnd, LB_GETITEMDATA,
|
||||
pStruct->itemID, 0);
|
||||
|
||||
wxCHECK_RET( (int)pItem != LB_ERR, FALSE );
|
||||
|
||||
wxDC dc;
|
||||
dc.SetHDC((WXHDC)pStruct->hDC, FALSE);
|
||||
wxRect rect(pStruct->rcItem.left, pStruct->rcItem.top,
|
||||
pStruct->rcItem.right - pStruct->rcItem.left,
|
||||
pStruct->rcItem.bottom - pStruct->rcItem.top);
|
||||
|
||||
return pItem->OnDrawItem(dc, rect,
|
||||
(wxOwnerDrawn::wxODAction)pStruct->itemAction,
|
||||
(wxOwnerDrawn::wxODStatus)pStruct->itemState);
|
||||
}
|
||||
|
||||
#endif
|
||||
// USE_OWNER_DRAWN
|
Reference in New Issue
Block a user