// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma hdrstop
#endif
+#if wxUSE_COMBOBOX
+
#ifndef WX_PRECOMP
-#include "wx/setup.h"
+#include "wx/settings.h"
#endif
-#if wxUSE_COMBOBOX
-
#include "wx/combobox.h"
#include "wx/clipbrd.h"
#include "wx/msw/private.h"
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
-#endif
bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
- if (param == CBN_SELCHANGE)
- {
- wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId);
- event.SetInt(GetSelection());
- event.SetEventObject(this);
- event.SetString(copystring(GetStringSelection()));
- ProcessCommand(event);
- delete[] event.GetString();
- return TRUE;
- }
- else if (param == CBN_EDITCHANGE)
- {
- wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
- event.SetString(copystring(GetValue()));
- event.SetEventObject(this);
- ProcessCommand(event);
- delete[] event.GetString();
- return TRUE;
- }
- else return FALSE;
+ switch ( param )
+ {
+ case CBN_SELCHANGE:
+ if (GetSelection() > -1)
+ {
+ wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId());
+ event.SetInt(GetSelection());
+ event.SetEventObject(this);
+ event.SetString(GetStringSelection());
+ ProcessCommand(event);
+ }
+ break;
+
+ case CBN_EDITCHANGE:
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+ event.SetString(GetValue());
+ event.SetEventObject(this);
+ ProcessCommand(event);
+ }
+ break;
+ }
+
+ // there is no return value for the CBN_ notifications, so always return
+ // FALSE from here to pass the message to DefWindowProc()
+ return FALSE;
}
bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
- const wxString& value,
- const wxPoint& pos,
- const wxSize& size,
- int n, const wxString choices[],
- long style,
- const wxValidator& validator,
- const wxString& name)
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ int n, const wxString choices[],
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
{
SetName(name);
+#if wxUSE_VALIDATORS
SetValidator(validator);
+#endif // wxUSE_VALIDATORS
if (parent) parent->AddChild(this);
- SetBackgroundColour(parent->GetDefaultBackgroundColour()) ;
- SetForegroundColour(parent->GetDefaultForegroundColour()) ;
- m_noStrings = n;
+// SetBackgroundColour(parent->GetBackgroundColour()) ;
+
+ // A choice/combobox normally has a white background (or other, depending
+ // on global settings) rather than inheriting the parent's background colour.
+ SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+
+ SetForegroundColour(parent->GetForegroundColour()) ;
m_windowStyle = style;
if ( id == -1 )
- m_windowId = (int)NewControlId();
+ m_windowId = (int)NewControlId();
else
- m_windowId = id;
+ m_windowId = id;
int x = pos.x;
int y = pos.y;
int width = size.x;
int height = size.y;
- long msStyle = WS_CHILD | WS_HSCROLL | WS_VSCROLL
- | WS_TABSTOP | WS_VISIBLE | CBS_NOINTEGRALHEIGHT;
+ long msStyle = WS_CHILD | WS_TABSTOP | WS_VISIBLE |
+ WS_VSCROLL | WS_HSCROLL | CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT;
+
if (m_windowStyle & wxCB_READONLY)
msStyle |= CBS_DROPDOWNLIST;
- else if (m_windowStyle & wxCB_SIMPLE) // A list (shown always) and edit control
- msStyle |= CBS_SIMPLE;
+ else if (m_windowStyle & wxCB_SIMPLE)
+ msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
else
msStyle |= CBS_DROPDOWN;
// 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))
+ if ( want3D || wxStyleHasBorder(m_windowStyle) )
msStyle |= WS_BORDER;
- HWND wx_combo = CreateWindowEx(exStyle, "COMBOBOX", NULL,
+ m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("COMBOBOX"), NULL,
msStyle,
0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
wxGetInstance(), NULL);
+
+ wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create combobox") );
+
/*
-#if CTL3D
+#if wxUSE_CTL3D
if (want3D)
{
Ctl3dSubclassCtl(wx_combo);
#endif
*/
- m_hWnd = (WXHWND)wx_combo;
-
// Subclass again for purposes of dialog editing mode
- SubclassWin((WXHWND)wx_combo);
+ SubclassWin(m_hWnd);
- SetFont(* parent->GetFont());
+ SetFont(parent->GetFont());
int i;
for (i = 0; i < n; i++)
- SendMessage(wx_combo, CB_INSERTSTRING, i, (LONG)(const char *)choices[i]);
- SendMessage(wx_combo, CB_SETCURSEL, i, 0);
+ {
+ Append(choices[i]);
+ }
+
+ SetSelection(i);
SetSize(x, y, width, height);
- if ( value != "" )
- SetWindowText(wx_combo, (const char *)value);
+ if ( !value.IsEmpty() )
+ {
+ SetValue(value);
+ }
return TRUE;
}
-wxString wxComboBox::GetValue() const
-{
- return wxGetWindowText(GetHWND());
-}
-
void wxComboBox::SetValue(const wxString& value)
{
// If newlines are denoted by just 10, must stick 13 in front.
}
if (singletons > 0)
{
- char *tmp = new char[len + singletons + 1];
+ wxChar *tmp = new wxChar[len + singletons + 1];
int j = 0;
for (i = 0; i < len; i ++)
{
j ++;
}
tmp[j] = 0;
- SetWindowText((HWND) GetHWND(), tmp);
+ SetWindowText(GetHwnd(), tmp);
delete[] tmp;
}
else
- SetWindowText((HWND) GetHWND(), (const char *)value);
+ SetWindowText(GetHwnd(), value);
}
// Clipboard operations
void wxComboBox::Copy()
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
SendMessage(hWnd, WM_COPY, 0, 0L);
}
void wxComboBox::Cut()
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
SendMessage(hWnd, WM_CUT, 0, 0L);
}
void wxComboBox::Paste()
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
SendMessage(hWnd, WM_PASTE, 0, 0L);
}
void wxComboBox::SetEditable(bool editable)
{
// Can't implement in MSW?
-// HWND hWnd = (HWND) GetHWND();
+// HWND hWnd = GetHwnd();
// SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
}
void wxComboBox::SetInsertionPoint(long pos)
{
/*
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
#ifdef __WIN32__
SendMessage(hWnd, EM_SETSEL, pos, pos);
SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
long wxComboBox::GetInsertionPoint() const
{
/*
- DWORD Pos=(DWORD)SendMessage((HWND) GetHWND(), EM_GETSEL, 0, 0L);
+ DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
return Pos&0xFFFF;
*/
return 0;
long wxComboBox::GetLastPosition() const
{
/*
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
// Will always return a number > 0 (according to docs)
int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
// This gets the char index for the _beginning_ of the last line
int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
-
+
// Get number of characters in the last line. We'll add this to the character
// index for the last line, 1st position.
int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
void wxComboBox::Replace(long from, long to, const wxString& value)
{
#if wxUSE_CLIPBOARD
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
long fromChar = from;
long toChar = to;
-
+
// Set selection and remove it
#ifdef __WIN32__
SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar);
SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
// Now replace with 'value', by pasting.
- wxSetClipboardData(wxDF_TEXT, (wxObject *)(const char *)value, 0, 0);
+ wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0);
// Paste into edit control
SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
void wxComboBox::Remove(long from, long to)
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
long fromChar = from;
long toChar = to;
-
+
// Cut all selected text
#ifdef __WIN32__
SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar);
void wxComboBox::SetSelection(long from, long to)
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
long fromChar = from;
long toChar = to;
// if from and to are both -1, it means
fromChar = 0;
toChar = -1;
}
-
+
#ifdef __WIN32__
SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar);
// SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
#endif
}
+void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
+{
+ int cx, cy;
+ wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+
+ // what should the height of the drop down list be? we choose 10 items by
+ // default and also 10 items max (if we always use n, the list will never
+ // have vertical scrollbar)
+ int n = GetCount();
+ if ( !n )
+ n = 10;
+ else if ( n > 10 )
+ n = 10;
+
+ height = n * EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+
+ wxControl::DoMoveWindow(x, y, width, height);
+}
+
+wxSize wxComboBox::DoGetBestSize() const
+{
+ // the choice calculates the horz size correctly, but not the vertical
+ // component: correct it
+ wxSize size = wxChoice::DoGetBestSize();
+
+ int cx, cy;
+ wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+ size.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+
+ return size;
+}
+
#endif
// wxUSE_COMBOBOX
projects / wxWidgets.git / blobdiff