X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ad81651f00edc6f489d9b6a0839d316a964fd521..f2f0e4bea115b95ce6cc2b93c17b6d790ebe9cd0:/src/msw/spinctrl.cpp diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp index 27b0b26c2d..94baaf3809 100644 --- a/src/msw/spinctrl.cpp +++ b/src/msw/spinctrl.cpp @@ -1,11 +1,11 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/spinctrl.cpp +// Name: src/msw/spinctrl.cpp // Purpose: wxSpinCtrl class implementation for Win32 // Author: Vadim Zeitlin // Modified by: // Created: 22.07.99 // RCS-ID: $Id$ -// Copyright: (c) Vadim Zeitlin +// Copyright: (c) 1999-2005 Vadim Zeitlin // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -13,11 +13,6 @@ // declarations // ============================================================================ -#ifdef __GNUG__ - #pragma implementation "spinctrlbase.h" - #pragma implementation "spinctrl.h" -#endif - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- @@ -29,28 +24,37 @@ #pragma hdrstop #endif -#ifndef WX_PRECOMP - #include "wx/wx.h" -#endif - #if wxUSE_SPINCTRL -#if defined(__WIN95__) - #include "wx/spinctrl.h" -#include "wx/msw/private.h" -#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) - #include +#ifndef WX_PRECOMP + #include "wx/hashmap.h" + #include "wx/msw/wrapcctl.h" // include "properly" + #include "wx/event.h" + #include "wx/textctrl.h" + #include "wx/wxcrtvararg.h" #endif +#include "wx/msw/private.h" + +#if wxUSE_TOOLTIPS + #include "wx/tooltip.h" +#endif // wxUSE_TOOLTIPS + #include // for INT_MIN // ---------------------------------------------------------------------------- // macros // ---------------------------------------------------------------------------- - IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl) +BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton) + EVT_CHAR(wxSpinCtrl::OnChar) + EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus) + EVT_KILL_FOCUS(wxSpinCtrl::OnKillFocus) +END_EVENT_TABLE() + +#define GetBuddyHwnd() (HWND)(m_hwndBuddy) // ---------------------------------------------------------------------------- // constants @@ -61,14 +65,213 @@ // font size?) static const int MARGIN_BETWEEN = 1; + +// --------------------------------------------------------------------------- +// global vars +// --------------------------------------------------------------------------- + +namespace +{ + +// Global hash used to find the spin control corresponding to the given buddy +// text control HWND. +WX_DECLARE_HASH_MAP(HWND, wxSpinCtrl *, + wxPointerHash, wxPointerEqual, + SpinForTextCtrl); + +SpinForTextCtrl gs_spinForTextCtrl; + +} // anonymous namespace + // ============================================================================ // implementation // ============================================================================ +// ---------------------------------------------------------------------------- +// wnd proc for the buddy text ctrl +// ---------------------------------------------------------------------------- + +LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd, + UINT message, + WPARAM wParam, + LPARAM lParam) +{ + wxSpinCtrl * const spin = wxSpinCtrl::GetSpinForTextCtrl(hwnd); + + // forward some messages (mostly the key and focus ones) to the spin ctrl + switch ( message ) + { + case WM_SETFOCUS: + // if the focus comes from the spin control itself, don't set it + // back to it -- we don't want to go into an infinite loop + if ( (WXHWND)wParam == spin->GetHWND() ) + break; + //else: fall through + + case WM_KILLFOCUS: + case WM_CHAR: + case WM_DEADCHAR: + case WM_KEYUP: + case WM_KEYDOWN: +#ifdef WM_HELP + // we need to forward WM_HELP too to ensure that the context help + // associated with wxSpinCtrl is shown when the text control part of it + // is clicked with the "?" cursor + case WM_HELP: +#endif + { + WXLRESULT result; + if ( spin->MSWHandleMessage(&result, message, wParam, lParam) ) + { + // Do not let the message be processed by the window proc + // of the text control if it had been already handled at wx + // level, this is consistent with what happens for normal, + // non-composite controls. + return 0; + } + + // The control may have been deleted at this point, so check. + if ( !::IsWindow(hwnd) ) + return 0; + } + break; + + case WM_GETDLGCODE: + if ( spin->HasFlag(wxTE_PROCESS_ENTER) ) + { + long dlgCode = ::CallWindowProc + ( + CASTWNDPROC spin->GetBuddyWndProc(), + hwnd, + message, + wParam, + lParam + ); + dlgCode |= DLGC_WANTMESSAGE; + return dlgCode; + } + break; + } + + return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(), + hwnd, message, wParam, lParam); +} + +/* static */ +wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy) +{ + const SpinForTextCtrl::const_iterator + it = gs_spinForTextCtrl.find(hwndBuddy); + if ( it == gs_spinForTextCtrl.end() ) + return NULL; + + wxSpinCtrl * const spin = it->second; + + // sanity check + wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy, + wxT("wxSpinCtrl has incorrect buddy HWND!") ); + + return spin; +} + +// process a WM_COMMAND generated by the buddy text control +bool wxSpinCtrl::ProcessTextCommand(WXWORD cmd, WXWORD WXUNUSED(id)) +{ + if ( (cmd == EN_CHANGE) && (!m_blockEvent )) + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); + event.SetEventObject(this); + wxString val = wxGetWindowText(m_hwndBuddy); + event.SetString(val); + event.SetInt(GetValue()); + return HandleWindowEvent(event); + } + + // not processed + return false; +} + +void wxSpinCtrl::OnChar(wxKeyEvent& event) +{ + switch ( event.GetKeyCode() ) + { + case WXK_RETURN: + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); + InitCommandEvent(event); + wxString val = wxGetWindowText(m_hwndBuddy); + event.SetString(val); + event.SetInt(GetValue()); + if ( HandleWindowEvent(event) ) + return; + break; + } + + case WXK_TAB: + // always produce navigation event - even if we process TAB + // ourselves the fact that we got here means that the user code + // decided to skip processing of this TAB - probably to let it + // do its default job. + { + wxNavigationKeyEvent eventNav; + eventNav.SetDirection(!event.ShiftDown()); + eventNav.SetWindowChange(event.ControlDown()); + eventNav.SetEventObject(this); + + if ( GetParent()->HandleWindowEvent(eventNav) ) + return; + } + break; + } + + // no, we didn't process it + event.Skip(); +} + +void wxSpinCtrl::OnKillFocus(wxFocusEvent& event) +{ + // ensure that a correct value is shown by the control + NormalizeValue(); + event.Skip(); +} + +void wxSpinCtrl::OnSetFocus(wxFocusEvent& event) +{ + // when we get focus, give it to our buddy window as it needs it more than + // we do + ::SetFocus((HWND)m_hwndBuddy); + + event.Skip(); +} + +void wxSpinCtrl::NormalizeValue() +{ + const int value = GetValue(); + const bool changed = value != m_oldValue; + + // notice that we have to call SetValue() even if the value didn't change + // because otherwise we could be left with empty buddy control when value + // is 0, see comment in SetValue() + SetValue(value); + + if ( changed ) + { + SendSpinUpdate(value); + } +} + // ---------------------------------------------------------------------------- // construction // ---------------------------------------------------------------------------- +void wxSpinCtrl::Init() +{ + m_blockEvent = false; + m_hwndBuddy = NULL; + m_wndProcBuddy = NULL; + m_oldValue = INT_MIN; +} + bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id, const wxString& value, @@ -81,9 +284,31 @@ bool wxSpinCtrl::Create(wxWindow *parent, // before using DoGetBestSize(), have to set style to let the base class // know whether this is a horizontal or vertical control (we're always // vertical) - SetWindowStyle(style | wxSP_VERTICAL); + style |= wxSP_VERTICAL; + + if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT ) +#ifdef __WXWINCE__ + style |= wxBORDER_SIMPLE; +#else + style |= wxBORDER_SUNKEN; +#endif + + SetWindowStyle(style); - // calculate the sizes: the size given is the toal size for both controls + WXDWORD exStyle = 0; + WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ; + + // Scroll text automatically if there is not enough space to show all of + // it, this is better than not allowing to enter more digits at all. + msStyle |= ES_AUTOHSCROLL; + + // propagate text alignment style to text ctrl + if ( style & wxALIGN_RIGHT ) + msStyle |= ES_RIGHT; + else if ( style & wxALIGN_CENTER ) + msStyle |= ES_CENTER; + + // calculate the sizes: the size given is the total size for both controls // and we need to fit them both in the given width (height is the same) wxSize sizeText(size), sizeBtn(size); sizeBtn.x = wxSpinButton::DoGetBestSize().x; @@ -96,28 +321,26 @@ bool wxSpinCtrl::Create(wxWindow *parent, sizeText.x -= sizeBtn.x + MARGIN_BETWEEN; if ( sizeText.x <= 0 ) { - wxLogDebug(_T("not enough space for wxSpinCtrl!")); + wxLogDebug(wxT("not enough space for wxSpinCtrl!")); } wxPoint posBtn(pos); posBtn.x += sizeText.x + MARGIN_BETWEEN; - // create the spin button - if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) ) - { - return FALSE; - } - - SetRange(min, max); - SetValue(initial); + // we must create the text control before the spin button for the purpose + // of the dialog navigation: if there is a static text just before the spin + // control, activating it by Alt-letter should give focus to the text + // control, not the spin and the dialog navigation code will give focus to + // the next control (at Windows level), not the one after it // create the text window + m_hwndBuddy = (WXHWND)::CreateWindowEx ( - WS_EX_CLIENTEDGE, // sunken border - _T("EDIT"), // window class + exStyle, // sunken border + wxT("EDIT"), // window class NULL, // no window title - WS_CHILD | WS_BORDER, // style (will be shown later) + msStyle, // style (will be shown later) pos.x, pos.y, // position 0, 0, // size (will be set later) GetHwndOf(parent), // parent @@ -128,36 +351,78 @@ bool wxSpinCtrl::Create(wxWindow *parent, if ( !m_hwndBuddy ) { - wxLogLastError("CreateWindow(buddy text window)"); + wxLogLastError(wxT("CreateWindow(buddy text window)")); + + return false; + } + - return FALSE; + // create the spin button + if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) ) + { + return false; } - // should have the same font as the other controls - SetFont(GetParent()->GetFont()); + wxSpinButtonBase::SetRange(min, max); + + // subclass the text ctrl to be able to intercept some events + gs_spinForTextCtrl[GetBuddyHwnd()] = this; + + m_wndProcBuddy = (WXFARPROC)wxSetWindowProc(GetBuddyHwnd(), + wxBuddyTextWndProc); + + // set up fonts and colours (This is nomally done in MSWCreateControl) + InheritAttributes(); + if (!m_hasFont) + SetFont(GetDefaultAttributes().font); // set the size of the text window - can do it only now, because we // couldn't call DoGetBestSize() before as font wasn't set if ( sizeText.y <= 0 ) { - // make it the same height as the button then - sizeText.y = DoGetBestSize().y; + int cx, cy; + wxGetCharSize(GetHWND(), &cx, &cy, GetFont()); + + sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); } - DoMoveWindow(pos.x, pos.y, - sizeText.x + sizeBtn.x + MARGIN_BETWEEN, sizeText.y); + SetInitialSize(size); - (void)::ShowWindow((HWND)m_hwndBuddy, SW_SHOW); + (void)::ShowWindow(GetBuddyHwnd(), SW_SHOW); // associate the text window with the spin button (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0); - if ( !value.IsEmpty() ) - { + // If the initial text value is actually a number, it overrides the + // "initial" argument specified later. + long initialFromText; + if ( value.ToLong(&initialFromText) ) + initial = initialFromText; + + SetValue(initial); + + m_oldValue = initial; + + // Set the range in the native control + SetRange(min, max); + + // Also set the text part of the control if it was specified independently + // but don't generate an event for this, it would be unexpected. + m_blockEvent = true; + if ( !value.empty() ) SetValue(value); - } + m_blockEvent = false; - return TRUE; + return true; +} + +wxSpinCtrl::~wxSpinCtrl() +{ + // destroy the buddy window because this pointer which wxBuddyTextWndProc + // uses will not soon be valid any more + ::DestroyWindow( GetBuddyHwnd() ); + + gs_spinForTextCtrl.erase(GetBuddyHwnd()); } // ---------------------------------------------------------------------------- @@ -166,25 +431,95 @@ bool wxSpinCtrl::Create(wxWindow *parent, void wxSpinCtrl::SetValue(const wxString& text) { - if ( ::SetWindowText((HWND)m_hwndBuddy, text.c_str()) ) + if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) ) { - wxLogLastError("SetWindowText(buddy)"); + wxLogLastError(wxT("SetWindowText(buddy)")); } } +void wxSpinCtrl::SetValue(int val) +{ + m_blockEvent = true; + + wxSpinButton::SetValue(val); + + // normally setting the value of the spin button is enough as it updates + // its buddy control automatically ... + if ( wxGetWindowText(m_hwndBuddy).empty() ) + { + // ... but sometimes it doesn't, notably when the value is 0 and the + // text control is currently empty, the spin button seems to be happy + // to leave it like this, while we really want to always show the + // current value in the control, so do it manually + ::SetWindowText(GetBuddyHwnd(), + wxString::Format(wxT("%d"), val).t_str()); + } + + m_oldValue = GetValue(); + + m_blockEvent = false; +} + int wxSpinCtrl::GetValue() const { wxString val = wxGetWindowText(m_hwndBuddy); long n; - if ( (wxSscanf(val, wxT("%lu"), &n) != 1) ) + if ( (wxSscanf(val, wxT("%ld"), &n) != 1) ) n = INT_MIN; + if ( n < m_min ) + n = m_min; + if ( n > m_max ) + n = m_max; + return n; } +void wxSpinCtrl::SetSelection(long from, long to) +{ + // if from and to are both -1, it means (in wxWidgets) that all text should + // be selected - translate into Windows convention + if ( (from == -1) && (to == -1) ) + { + from = 0; + } + + ::SendMessage(GetBuddyHwnd(), EM_SETSEL, (WPARAM)from, (LPARAM)to); +} + // ---------------------------------------------------------------------------- -// when setting font, we need to do it for both controls +// wxSpinButton methods +// ---------------------------------------------------------------------------- + +void wxSpinCtrl::SetRange(int minVal, int maxVal) +{ + // Manually adjust the old value to avoid an event being sent from + // NormalizeValue() called from inside the base class SetRange() as we're + // not supposed to generate any events from here. + if ( m_oldValue < minVal ) + m_oldValue = minVal; + else if ( m_oldValue > maxVal ) + m_oldValue = maxVal; + + wxSpinButton::SetRange(minVal, maxVal); + + // this control is used for numeric entry so restrict the input to numeric + // keys only -- but only if we don't need to be able to enter "-" in it as + // otherwise this would become impossible + const DWORD styleOld = ::GetWindowLong(GetBuddyHwnd(), GWL_STYLE); + DWORD styleNew; + if ( minVal < 0 ) + styleNew = styleOld & ~ES_NUMBER; + else + styleNew = styleOld | ES_NUMBER; + + if ( styleNew != styleOld ) + ::SetWindowLong(GetBuddyHwnd(), GWL_STYLE, styleNew); +} + +// ---------------------------------------------------------------------------- +// forward some methods to subcontrols // ---------------------------------------------------------------------------- bool wxSpinCtrl::SetFont(const wxFont& font) @@ -192,15 +527,149 @@ bool wxSpinCtrl::SetFont(const wxFont& font) if ( !wxWindowBase::SetFont(font) ) { // nothing to do - return FALSE; + return false; } WXHANDLE hFont = GetFont().GetResourceHandle(); - (void)::SendMessage((HWND)m_hwndBuddy, WM_SETFONT, (WPARAM)hFont, TRUE); + (void)::SendMessage(GetBuddyHwnd(), WM_SETFONT, (WPARAM)hFont, TRUE); + + return true; +} + +bool wxSpinCtrl::Show(bool show) +{ + if ( !wxControl::Show(show) ) + { + return false; + } + + ::ShowWindow(GetBuddyHwnd(), show ? SW_SHOW : SW_HIDE); + + return true; +} + +bool wxSpinCtrl::Reparent(wxWindowBase *newParent) +{ + // Reparenting both the updown control and its buddy does not seem to work: + // they continue to be connected somehow, but visually there is no feedback + // on the buddy edit control. To avoid this problem, we reparent the buddy + // window normally, but we recreate the updown control and reassign its + // buddy. + + // Get the position before changing the parent as it would be offset after + // changing it. + const wxRect rect = GetRect(); + + if ( !wxWindowBase::Reparent(newParent) ) + return false; + + newParent->GetChildren().DeleteObject(this); + + // destroy the old spin button after detaching it from this wxWindow object + // (notice that m_hWnd will be reset by UnsubclassWin() so save it first) + const HWND hwndOld = GetHwnd(); + UnsubclassWin(); + if ( !::DestroyWindow(hwndOld) ) + { + wxLogLastError(wxT("DestroyWindow")); + } + + // create and initialize the new one + if ( !wxSpinButton::Create(GetParent(), GetId(), + rect.GetPosition(), rect.GetSize(), + GetWindowStyle(), GetName()) ) + return false; + + // reapply our values to wxSpinButton + wxSpinButton::SetValue(GetValue()); + SetRange(m_min, m_max); + + // also set the size again with wxSIZE_ALLOW_MINUS_ONE flag: this is + // necessary if our original position used -1 for either x or y + SetSize(rect, wxSIZE_ALLOW_MINUS_ONE); + + // associate it with the buddy control again + ::SetParent(GetBuddyHwnd(), GetHwndOf(GetParent())); + (void)::SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)GetBuddyHwnd(), 0); + + return true; +} + +bool wxSpinCtrl::Enable(bool enable) +{ + if ( !wxControl::Enable(enable) ) + { + return false; + } + + MSWEnableHWND(GetBuddyHwnd(), enable); + + return true; +} + +void wxSpinCtrl::SetFocus() +{ + ::SetFocus(GetBuddyHwnd()); +} + +#if wxUSE_TOOLTIPS + +void wxSpinCtrl::DoSetToolTip(wxToolTip *tip) +{ + wxSpinButton::DoSetToolTip(tip); + + if ( tip ) + tip->AddOtherWindow(m_hwndBuddy); +} + +#endif // wxUSE_TOOLTIPS + +// ---------------------------------------------------------------------------- +// events processing and generation +// ---------------------------------------------------------------------------- + +void wxSpinCtrl::SendSpinUpdate(int value) +{ + wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId()); + event.SetEventObject(this); + event.SetInt(value); + + (void)HandleWindowEvent(event); + + m_oldValue = value; +} + +bool wxSpinCtrl::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam, + WXWORD pos, WXHWND control) +{ + wxCHECK_MSG( control, false, wxT("scrolling what?") ); + + if ( wParam != SB_THUMBPOSITION ) + { + // probable SB_ENDSCROLL - we don't react to it + return false; + } + + int new_value = (short) pos; + if (m_oldValue != new_value) + SendSpinUpdate( new_value ); + + return TRUE; +} + +bool wxSpinCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result) +{ + NM_UPDOWN *lpnmud = (NM_UPDOWN *)lParam; + + if (lpnmud->hdr.hwndFrom != GetHwnd()) // make sure it is the right control + return false; + + *result = 0; // never reject UP and DOWN events return TRUE; } + // ---------------------------------------------------------------------------- // size calculations // ---------------------------------------------------------------------------- @@ -211,10 +680,15 @@ wxSize wxSpinCtrl::DoGetBestSize() const sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN; int y; - wxGetCharSize(GetHWND(), NULL, &y, &GetFont()); + wxGetCharSize(GetHWND(), NULL, &y, GetFont()); y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y); - if ( sizeBtn.y < y ) + // JACS: we should always use the height calculated + // from above, because otherwise we'll get a spin control + // that's too big. So never use the height calculated + // from wxSpinButton::DoGetBestSize(). + + // if ( sizeBtn.y < y ) { // make the text tall enough sizeBtn.y = y; @@ -229,23 +703,53 @@ void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height) int widthText = width - widthBtn - MARGIN_BETWEEN; if ( widthText <= 0 ) { - wxLogDebug(_T("not enough space for wxSpinCtrl!")); + wxLogDebug(wxT("not enough space for wxSpinCtrl!")); } - if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) ) - { - wxLogLastError("MoveWindow(buddy)"); - } + // 1) The buddy window + DoMoveSibling(m_hwndBuddy, x, y, widthText, height); + // 2) The button window x += widthText + MARGIN_BETWEEN; - if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) ) - { - wxLogLastError("MoveWindow"); - } + wxSpinButton::DoMoveWindow(x, y, widthBtn, height); } -#endif // __WIN95__ +// get total size of the control +void wxSpinCtrl::DoGetSize(int *x, int *y) const +{ + RECT spinrect, textrect, ctrlrect; + GetWindowRect(GetHwnd(), &spinrect); + GetWindowRect(GetBuddyHwnd(), &textrect); + UnionRect(&ctrlrect,&textrect, &spinrect); + + if ( x ) + *x = ctrlrect.right - ctrlrect.left; + if ( y ) + *y = ctrlrect.bottom - ctrlrect.top; +} -#endif - // wxUSE_SPINCTRL +void wxSpinCtrl::DoGetClientSize(int *x, int *y) const +{ + RECT spinrect = wxGetClientRect(GetHwnd()); + RECT textrect = wxGetClientRect(GetBuddyHwnd()); + RECT ctrlrect; + UnionRect(&ctrlrect,&textrect, &spinrect); + + if ( x ) + *x = ctrlrect.right - ctrlrect.left; + if ( y ) + *y = ctrlrect.bottom - ctrlrect.top; +} + +void wxSpinCtrl::DoGetPosition(int *x, int *y) const +{ + // hack: pretend that our HWND is the text control just for a moment + WXHWND hWnd = GetHWND(); + wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy; + + wxSpinButton::DoGetPosition(x, y); + + wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd; +} +#endif // wxUSE_SPINCTRL