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:
Karsten Ballüder
313
src/msw/combobox.cpp
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313
src/msw/combobox.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: combobox.cpp
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// Purpose: wxComboBox class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "combobox.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/setup.h"
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#endif
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#if USE_COMBOBOX
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#include "wx/combobox.h"
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#include "wx/clipbrd.h"
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#include "wx/msw/private.h"
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
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#endif
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bool wxComboBox::MSWCommand(const WXUINT param, const WXWORD WXUNUSED(id))
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{
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if (param == CBN_SELCHANGE)
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{
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wxCommandEvent event(wxEVENT_TYPE_COMBOBOX_COMMAND, m_windowId);
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event.SetInt(GetSelection());
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event.SetEventObject(this);
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event.SetString(copystring(GetStringSelection()));
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ProcessCommand(event);
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delete[] event.GetString();
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return TRUE;
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}
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else return FALSE;
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}
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bool wxComboBox::Create(wxWindow *parent, const wxWindowID id,
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const wxString& value,
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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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SetName(name);
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SetValidator(validator);
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if (parent) parent->AddChild(this);
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SetBackgroundColour(parent->GetDefaultBackgroundColour()) ;
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SetForegroundColour(parent->GetDefaultForegroundColour()) ;
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no_strings = n;
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m_windowStyle = style;
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if ( id == -1 )
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m_windowId = (int)NewControlId();
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else
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m_windowId = 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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long msStyle = WS_CHILD | WS_HSCROLL | WS_VSCROLL
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| WS_TABSTOP | WS_VISIBLE | CBS_NOINTEGRALHEIGHT;
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if (m_windowStyle & wxCB_READONLY)
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msStyle |= CBS_DROPDOWNLIST;
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else if (m_windowStyle & wxCB_SIMPLE) // A list (shown always) and edit control
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msStyle |= CBS_SIMPLE;
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else
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msStyle |= CBS_DROPDOWN;
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if (m_windowStyle & wxCB_SORT)
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msStyle |= CBS_SORT;
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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) || (m_windowStyle & wxRAISED_BORDER) ||
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(m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER))
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msStyle |= WS_BORDER;
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HWND wx_combo = CreateWindowEx(exStyle, "COMBOBOX", NULL,
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msStyle,
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0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
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wxGetInstance(), NULL);
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/*
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#if CTL3D
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if (want3D)
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{
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Ctl3dSubclassCtl(wx_combo);
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m_useCtl3D = TRUE;
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}
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#endif
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*/
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m_hWnd = (WXHWND)wx_combo;
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// Subclass again for purposes of dialog editing mode
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SubclassWin((WXHWND)wx_combo);
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SetFont(* parent->GetFont());
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int i;
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for (i = 0; i < n; i++)
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SendMessage(wx_combo, CB_INSERTSTRING, i, (LONG)(const char *)choices[i]);
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SendMessage(wx_combo, CB_SETCURSEL, i, 0);
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SetSize(x, y, width, height);
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if ( value != "" )
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SetWindowText(wx_combo, (const char *)value);
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return TRUE;
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}
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wxString wxComboBox::GetValue(void) const
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{
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GetWindowText((HWND) GetHWND(), wxBuffer, 500);
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return wxString(wxBuffer);
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}
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void wxComboBox::SetValue(const wxString& value)
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{
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// If newlines are denoted by just 10, must stick 13 in front.
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int singletons = 0;
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int len = value.Length();
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int i;
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for (i = 0; i < len; i ++)
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{
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if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
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singletons ++;
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}
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if (singletons > 0)
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{
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char *tmp = new char[len + singletons + 1];
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int j = 0;
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for (i = 0; i < len; i ++)
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{
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if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
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{
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tmp[j] = 13;
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j ++;
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}
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tmp[j] = value[i];
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j ++;
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}
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tmp[j] = 0;
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SetWindowText((HWND) GetHWND(), tmp);
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delete[] tmp;
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}
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else
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SetWindowText((HWND) GetHWND(), (const char *)value);
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}
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// Clipboard operations
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void wxComboBox::Copy(void)
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{
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HWND hWnd = (HWND) GetHWND();
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SendMessage(hWnd, WM_COPY, 0, 0L);
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}
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void wxComboBox::Cut(void)
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{
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HWND hWnd = (HWND) GetHWND();
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SendMessage(hWnd, WM_CUT, 0, 0L);
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}
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void wxComboBox::Paste(void)
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{
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HWND hWnd = (HWND) GetHWND();
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SendMessage(hWnd, WM_PASTE, 0, 0L);
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}
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void wxComboBox::SetEditable(const bool editable)
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{
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// Can't implement in MSW?
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// HWND hWnd = (HWND) GetHWND();
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// SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
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}
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void wxComboBox::SetInsertionPoint(const long pos)
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{
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/*
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HWND hWnd = (HWND) GetHWND();
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#ifdef __WIN32__
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SendMessage(hWnd, EM_SETSEL, pos, pos);
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SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
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#else
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SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos));
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#endif
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char *nothing = "";
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SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
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*/
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}
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void wxComboBox::SetInsertionPointEnd(void)
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{
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/*
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long pos = GetLastPosition();
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SetInsertionPoint(pos);
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*/
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}
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long wxComboBox::GetInsertionPoint(void) const
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{
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/*
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DWORD Pos=(DWORD)SendMessage((HWND) GetHWND(), EM_GETSEL, 0, 0L);
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return Pos&0xFFFF;
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*/
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return 0;
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}
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long wxComboBox::GetLastPosition(void) const
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{
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/*
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HWND hWnd = (HWND) GetHWND();
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// Will always return a number > 0 (according to docs)
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int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
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// This gets the char index for the _beginning_ of the last line
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int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
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// Get number of characters in the last line. We'll add this to the character
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// index for the last line, 1st position.
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int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
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return (long)(charIndex + lineLength);
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*/
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return 0;
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}
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void wxComboBox::Replace(const long from, const long to, const wxString& value)
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{
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#if USE_CLIPBOARD
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HWND hWnd = (HWND) GetHWND();
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long fromChar = from;
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long toChar = to;
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// Set selection and remove it
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#ifdef __WIN32__
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SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar);
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#else
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SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
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#endif
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SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
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// Now replace with 'value', by pasting.
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wxSetClipboardData(wxCF_TEXT, (wxObject *)(const char *)value, 0, 0);
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// Paste into edit control
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SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
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#endif
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}
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void wxComboBox::Remove(const long from, const long to)
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{
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HWND hWnd = (HWND) GetHWND();
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long fromChar = from;
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long toChar = to;
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// Cut all selected text
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#ifdef __WIN32__
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SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar);
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#else
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SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
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#endif
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SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
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}
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void wxComboBox::SetSelection(const long from, const long to)
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{
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HWND hWnd = (HWND) GetHWND();
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long fromChar = from;
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long toChar = to;
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// if from and to are both -1, it means
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// (in wxWindows) that all text should be selected.
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// This translates into Windows convention
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if ((from == -1) && (to == -1))
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{
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fromChar = 0;
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toChar = -1;
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}
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#ifdef __WIN32__
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SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar);
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// SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
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#else
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// WPARAM is 0: selection is scrolled into view
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SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
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#endif
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}
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#endif
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// USE_COMBOBOX
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