X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4c0a2c5c3eb089b70bcbe05325f1043b49358f13..a647d42abcf7461dbd3abb88df3262e4bb495f73:/src/msw/spinctrl.cpp diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp index 2ee0255f6c..406afce629 100644 --- a/src/msw/spinctrl.cpp +++ b/src/msw/spinctrl.cpp @@ -33,40 +33,195 @@ #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) +#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__)) #include #endif +#include // for INT_MIN + // ---------------------------------------------------------------------------- // macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl) -#endif +IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl) + +BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton) + EVT_CHAR(wxSpinCtrl::OnChar) + + EVT_SET_FOCUS(wxSpinCtrl::OnSetFocus) + + EVT_SPIN(-1, wxSpinCtrl::OnSpinChange) +END_EVENT_TABLE() + +#define GetBuddyHwnd() (HWND)(m_hwndBuddy) // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- -// the margin between the up-down control and its buddy -static const int MARGIN_BETWEEN = 5; +// the margin between the up-down control and its buddy (can be arbitrary, +// choose what you like - or may be decide during run-time depending on the +// font size?) +static const int MARGIN_BETWEEN = 1; // ============================================================================ // implementation // ============================================================================ +wxArraySpins wxSpinCtrl::ms_allSpins; + +// ---------------------------------------------------------------------------- +// wnd proc for the buddy text ctrl +// ---------------------------------------------------------------------------- + +LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd, + UINT message, + WPARAM wParam, + LPARAM lParam) +{ + wxSpinCtrl *spin = (wxSpinCtrl *)::GetWindowLong(hwnd, GWL_USERDATA); + + // forward some messages (the key and focus ones only so far) 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 ( wParam == spin->GetHWND() ) + break; + //else: fall through + + case WM_KILLFOCUS: + case WM_CHAR: + case WM_DEADCHAR: + case WM_KEYUP: + case WM_KEYDOWN: + spin->MSWWindowProc(message, wParam, lParam); + + // The control may have been deleted at this point, so check. + if (!(::IsWindow(hwnd) && ((wxSpinCtrl *)::GetWindowLong(hwnd, GWL_USERDATA)) == spin)) + return 0; + break; + + case WM_GETDLGCODE: + // we want to get WXK_RETURN in order to generate the event for it + return DLGC_WANTCHARS; + } + + return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(), + hwnd, message, wParam, lParam); +} + +/* static */ +wxSpinCtrl *wxSpinCtrl::GetSpinForTextCtrl(WXHWND hwndBuddy) +{ + wxSpinCtrl *spin = (wxSpinCtrl *)::GetWindowLong((HWND)hwndBuddy, + GWL_USERDATA); + + int i = ms_allSpins.Index(spin); + + if ( i == wxNOT_FOUND ) + return NULL; + + // sanity check + wxASSERT_MSG( spin->m_hwndBuddy == hwndBuddy, + _T("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)) +{ + switch (cmd) + { + case EN_CHANGE: + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); + event.SetEventObject(this); + wxString val = wxGetWindowText(m_hwndBuddy); + event.SetString(val); + event.SetInt(GetValue()); + return GetEventHandler()->ProcessEvent(event); + } + case EN_SETFOCUS: + case EN_KILLFOCUS: + { + wxFocusEvent event(cmd == EN_KILLFOCUS ? wxEVT_KILL_FOCUS + : wxEVT_SET_FOCUS, + m_windowId); + event.SetEventObject( this ); + return GetEventHandler()->ProcessEvent(event); + } + default: + break; + } + + // 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 ( GetEventHandler()->ProcessEvent(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()->GetEventHandler()->ProcessEvent(eventNav) ) + return; + } + break; + } + + // no, we didn't process it + 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(); +} + // ---------------------------------------------------------------------------- // construction // ---------------------------------------------------------------------------- bool wxSpinCtrl::Create(wxWindow *parent, wxWindowID id, + const wxString& value, const wxPoint& pos, const wxSize& size, long style, @@ -76,12 +231,26 @@ 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 ) + style |= wxBORDER_SUNKEN; + + SetWindowStyle(style); + + WXDWORD exStyle = 0; + WXDWORD msStyle = MSWGetStyle(GetWindowStyle(), & exStyle) ; // calculate the sizes: the size given is the toal 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; + if ( sizeText.x <= 0 ) + { + // DEFAULT_ITEM_WIDTH is the default width for the text control + sizeText.x = DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN + sizeBtn.x; + } + sizeText.x -= sizeBtn.x + MARGIN_BETWEEN; if ( sizeText.x <= 0 ) { @@ -91,6 +260,36 @@ bool wxSpinCtrl::Create(wxWindow *parent, wxPoint posBtn(pos); posBtn.x += sizeText.x + MARGIN_BETWEEN; + // 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 + ( + exStyle, // sunken border + _T("EDIT"), // window class + NULL, // no window title + msStyle, // style (will be shown later) + pos.x, pos.y, // position + 0, 0, // size (will be set later) + GetHwndOf(parent), // parent + (HMENU)-1, // control id + wxGetInstance(), // app instance + NULL // unused client data + ); + + if ( !m_hwndBuddy ) + { + wxLogLastError(wxT("CreateWindow(buddy text window)")); + + return FALSE; + } + + // create the spin button if ( !wxSpinButton::Create(parent, id, posBtn, sizeBtn, style, name) ) { @@ -100,70 +299,227 @@ bool wxSpinCtrl::Create(wxWindow *parent, SetRange(min, max); SetValue(initial); - // create the text window + // subclass the text ctrl to be able to intercept some events + m_wndProcBuddy = (WXFARPROC)::GetWindowLong(GetBuddyHwnd(), GWL_WNDPROC); + ::SetWindowLong(GetBuddyHwnd(), GWL_USERDATA, (LONG)this); + ::SetWindowLong(GetBuddyHwnd(), GWL_WNDPROC, (LONG)wxBuddyTextWndProc); + + // should have the same font as the other controls + SetFont(GetParent()->GetFont()); + + // 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 - int x, y; - wxSpinButton::DoGetSize(&x, &y); + int cx, cy; + wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); - sizeText.y = y; + sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); } - m_hwndBuddy = (WXHWND)::CreateWindowEx - ( - WS_EX_CLIENTEDGE, // sunken border - _T("EDIT"), // window class - NULL, // no window title - WS_CHILD | WS_VISIBLE | WS_BORDER, // style - pos.x, pos.y, // position - sizeText.x, sizeText.y, // size - GetHwndOf(parent), // parent - (HMENU)-1, // control id - wxGetInstance(), // app instance - NULL // unused client data - ); + DoMoveWindow(pos.x, pos.y, + sizeText.x + sizeBtn.x + MARGIN_BETWEEN, sizeText.y); - if ( !m_hwndBuddy ) + (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() ) + { + SetValue(value); + } + + // do it after finishing with m_hwndBuddy creation to avoid generating + // initial wxEVT_COMMAND_TEXT_UPDATED message + ms_allSpins.Add(this); + + return TRUE; +} + +wxSpinCtrl::~wxSpinCtrl() +{ + ms_allSpins.Remove(this); + + // This removes spurious memory leak reporting + if (ms_allSpins.GetCount() == 0) + ms_allSpins.Clear(); + + // destroy the buddy window because this pointer which wxBuddyTextWndProc + // uses will not soon be valid any more + ::DestroyWindow(GetBuddyHwnd()); +} + +// ---------------------------------------------------------------------------- +// wxTextCtrl-like methods +// ---------------------------------------------------------------------------- + +void wxSpinCtrl::SetValue(const wxString& text) +{ + if ( !::SetWindowText(GetBuddyHwnd(), text.c_str()) ) + { + wxLogLastError(wxT("SetWindowText(buddy)")); + } +} + +int wxSpinCtrl::GetValue() const +{ + wxString val = wxGetWindowText(m_hwndBuddy); + + long n; + if ( (wxSscanf(val, wxT("%lu"), &n) != 1) ) + n = INT_MIN; + + return n; +} + +void wxSpinCtrl::SetSelection(long from, long to) +{ + // if from and to are both -1, it means (in wxWindows) that all text should + // be selected - translate into Windows convention + if ( (from == -1) && (to == -1) ) { - wxLogLastError("CreateWindow(buddy text window)"); + from = 0; + } + + ::SendMessage((HWND)m_hwndBuddy, EM_SETSEL, (WPARAM)from, (LPARAM)to); +} + +// ---------------------------------------------------------------------------- +// forward some methods to subcontrols +// ---------------------------------------------------------------------------- +bool wxSpinCtrl::SetFont(const wxFont& font) +{ + if ( !wxWindowBase::SetFont(font) ) + { + // nothing to do return FALSE; } - // should have the same font as the other controls - WXHANDLE hFont = GetParent()->GetFont().GetResourceHandle(); - ::SendMessage((HWND)m_hwndBuddy, WM_SETFONT, (WPARAM)hFont, TRUE); + WXHANDLE hFont = GetFont().GetResourceHandle(); + (void)::SendMessage(GetBuddyHwnd(), WM_SETFONT, (WPARAM)hFont, TRUE); - // associate the text window with the spin button - (void)SendMessage(GetHwnd(), UDM_SETBUDDY, (WPARAM)m_hwndBuddy, 0); + return TRUE; +} + +bool wxSpinCtrl::Show(bool show) +{ + if ( !wxControl::Show(show) ) + { + return FALSE; + } + + ::ShowWindow(GetBuddyHwnd(), show ? SW_SHOW : SW_HIDE); return TRUE; } +bool wxSpinCtrl::Enable(bool enable) +{ + if ( !wxControl::Enable(enable) ) + { + return FALSE; + } + + ::EnableWindow(GetBuddyHwnd(), enable); + + return TRUE; +} + +void wxSpinCtrl::SetFocus() +{ + ::SetFocus(GetBuddyHwnd()); +} + +// ---------------------------------------------------------------------------- +// event processing +// ---------------------------------------------------------------------------- + +void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin) +{ + wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId()); + event.SetEventObject(this); + event.SetInt(eventSpin.GetPosition()); + + (void)GetEventHandler()->ProcessEvent(event); + + if ( eventSpin.GetSkipped() ) + { + event.Skip(); + } +} + // ---------------------------------------------------------------------------- // size calculations // ---------------------------------------------------------------------------- +wxSize wxSpinCtrl::DoGetBestSize() const +{ + wxSize sizeBtn = wxSpinButton::DoGetBestSize(); + sizeBtn.x += DEFAULT_ITEM_WIDTH + MARGIN_BETWEEN; + + int y; + wxGetCharSize(GetHWND(), NULL, &y, &GetFont()); + y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(y); + + if ( sizeBtn.y < y ) + { + // make the text tall enough + sizeBtn.y = y; + } + + return sizeBtn; +} + void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height) { - int widthBtn = DoGetBestSize().x; + int widthBtn = wxSpinButton::DoGetBestSize().x; int widthText = width - widthBtn - MARGIN_BETWEEN; if ( widthText <= 0 ) { wxLogDebug(_T("not enough space for wxSpinCtrl!")); } - if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) ) + if ( !::MoveWindow(GetBuddyHwnd(), x, y, widthText, height, TRUE) ) { - wxLogLastError("MoveWindow(buddy)"); + wxLogLastError(wxT("MoveWindow(buddy)")); } x += widthText + MARGIN_BETWEEN; if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) ) { - wxLogLastError("MoveWindow"); + wxLogLastError(wxT("MoveWindow")); } } +// 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; +} + +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 // __WIN95__ + +#endif + // wxUSE_SPINCTRL +