X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6c9a19aabab3a878b565e6c2a5f2a3824277c4dc..07aaf32633ecf18ec3edfbb41793a112914792d0:/src/msw/control.cpp diff --git a/src/msw/control.cpp b/src/msw/control.cpp index 4eb36ecd3a..6fe928cc57 100644 --- a/src/msw/control.cpp +++ b/src/msw/control.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/control.cpp +// Name: src/msw/control.cpp // Purpose: wxControl class // Author: Julian Smart // Modified by: @@ -9,9 +9,13 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "control.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -22,57 +26,59 @@ #if wxUSE_CONTROLS +#include "wx/control.h" + #ifndef WX_PRECOMP + #include "wx/msw/wrapcctl.h" // include "properly" #include "wx/event.h" #include "wx/app.h" #include "wx/dcclient.h" #include "wx/log.h" + #include "wx/settings.h" + #include "wx/ctrlsub.h" #endif -#include "wx/control.h" +#if wxUSE_LISTCTRL + #include "wx/listctrl.h" +#endif // wxUSE_LISTCTRL + +#if wxUSE_TREECTRL + #include "wx/treectrl.h" +#endif // wxUSE_TREECTRL #include "wx/msw/private.h" +#include "wx/msw/uxtheme.h" -#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) - #include -#endif +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow) -BEGIN_EVENT_TABLE(wxControl, wxWindow) - EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground) -END_EVENT_TABLE() - -// Item members -wxControl::wxControl() -{ -#if WXWIN_COMPATIBILITY - m_callback = 0; -#endif // WXWIN_COMPATIBILITY -} - -wxControl::~wxControl() -{ - m_isBeingDeleted = TRUE; -} +// ============================================================================ +// wxControl implementation +// ============================================================================ +// ---------------------------------------------------------------------------- +// control window creation +// ---------------------------------------------------------------------------- bool wxControl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, - const wxValidator& validator, + const wxValidator& wxVALIDATOR_PARAM(validator), const wxString& name) { if ( !wxWindow::Create(parent, id, pos, size, style, name) ) - return FALSE; + return false; #if wxUSE_VALIDATORS SetValidator(validator); #endif - return TRUE; + return true; } bool wxControl::MSWCreateControl(const wxChar *classname, @@ -93,102 +99,224 @@ bool wxControl::MSWCreateControl(const wxChar *classname, const wxString& label, WXDWORD exstyle) { - // want3D tells us whether or not the style specified a 3D border. - // If so, under WIN16 we can use Ctl3D to give it an appropriate style. - // Sometimes want3D is used to indicate that the non-extended style should have - // WS_BORDER. - bool want3D = TRUE; - // if no extended style given, determine it ourselves if ( exstyle == (WXDWORD)-1 ) { - exstyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); + exstyle = 0; + (void) MSWGetStyle(GetWindowStyle(), &exstyle); } // all controls should have this style style |= WS_CHILD; - // create the control visible if it's currently shown for wxWindows + // create the control visible if it's currently shown for wxWidgets if ( m_isShown ) { style |= WS_VISIBLE; } - int x = pos.x == -1 ? 0 : pos.x, - y = pos.y == -1 ? 0 : pos.y, - w = size.x == -1 ? 0 : size.x, - h = size.y == -1 ? 0 : size.y; + // choose the position for the control: we have a problem with default size + // here as we can't calculate the best size before the control exists + // (DoGetBestSize() may need to use m_hWnd), so just choose the minimal + // possible but non 0 size because 0 window width/height result in problems + // elsewhere + int x = pos.x == wxDefaultCoord ? 0 : pos.x, + y = pos.y == wxDefaultCoord ? 0 : pos.y, + w = size.x == wxDefaultCoord ? 1 : size.x, + h = size.y == wxDefaultCoord ? 1 : size.y; + + // ... and adjust it to account for a possible parent frames toolbar + AdjustForParentClientOrigin(x, y); m_hWnd = (WXHWND)::CreateWindowEx ( exstyle, // extended style classname, // the kind of control to create - label, // the window name + label.t_str(), // the window name style, // the window style x, y, w, h, // the window position and size - GetHwndOf(GetParent()), // parent - (HMENU)GetId(), // child id + GetHwndOf(GetParent()), // parent + (HMENU)wxUIntToPtr(GetId()), // child id wxGetInstance(), // app instance NULL // creation parameters ); if ( !m_hWnd ) { - wxLogDebug(wxT("Failed to create a control of class '%s'"), classname); - wxFAIL_MSG(_T("something is very wrong")); - - return FALSE; - } + wxLogLastError(wxString::Format + ( + wxT("CreateWindowEx(\"%s\", flags=%08lx, ex=%08lx)"), + classname, style, exstyle + )); -#if wxUSE_CTL3D - if ( want3D ) - { - Ctl3dSubclassCtl(GetHwnd()); - m_useCtl3D = TRUE; + return false; } -#endif // wxUSE_CTL3D - // install wxWindows window proc for this window +#if !wxUSE_UNICODE + // Text labels starting with the character 0xff (which is a valid character + // in many code pages) don't appear correctly as CreateWindowEx() has some + // special treatment for this case, apparently the strings starting with -1 + // are not really strings but something called "ordinals". There is no + // documentation about it but the fact is that the label gets mangled or + // not displayed at all if we don't do this, see #9572. + // + // Notice that 0xffff is not a valid Unicode character so the problem + // doesn't arise in Unicode build. + if ( !label.empty() && label[0] == -1 ) + ::SetWindowText(GetHwnd(), label.t_str()); +#endif // !wxUSE_UNICODE + + // saving the label in m_labelOrig to return it verbatim + // later in GetLabel() + m_labelOrig = label; + + // install wxWidgets window proc for this window SubclassWin(m_hWnd); - // controls use the same font and colours as their parent dialog by default + // set up fonts and colours InheritAttributes(); + if ( !m_hasFont ) + { + bool setFont = true; + + wxFont font = GetDefaultAttributes().font; + + // if we set a font for {list,tree}ctrls and the font size is changed in + // the display properties then the font size for these controls doesn't + // automatically adjust when they receive WM_SETTINGCHANGE + + // FIXME: replace the dynamic casts with virtual function calls!! +#if wxUSE_LISTCTRL || wxUSE_TREECTRL + bool testFont = false; +#if wxUSE_LISTCTRL + if ( wxDynamicCastThis(wxListCtrl) ) + testFont = true; +#endif // wxUSE_LISTCTRL +#if wxUSE_TREECTRL + if ( wxDynamicCastThis(wxTreeCtrl) ) + testFont = true; +#endif // wxUSE_TREECTRL + + if ( testFont ) + { + // not sure if we need to explicitly set the font here for Win95/NT4 + // but we definitely can't do it for any newer version + // see wxGetCCDefaultFont() in src/msw/settings.cpp for explanation + // of why this test works + + // TODO: test Win95/NT4 to see if this is needed or breaks the + // font resizing as it does on newer versions + if ( font != wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT) ) + { + setFont = false; + } + } +#endif // wxUSE_LISTCTRL || wxUSE_TREECTRL + + if ( setFont ) + { + SetFont(GetDefaultAttributes().font); + } + } // set the size now if no initial size specified - if ( w <= 0 || h <= 0 ) + SetInitialSize(size); + + return true; +} + +// ---------------------------------------------------------------------------- +// various accessors +// ---------------------------------------------------------------------------- + +WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + long msStyle = wxWindow::MSWGetStyle(style, exstyle); + + if ( AcceptsFocusFromKeyboard() ) { - SetBestSize(size); + msStyle |= WS_TABSTOP; } - return TRUE; + return msStyle; } wxSize wxControl::DoGetBestSize() const { + if (m_windowSizer) + return wxControlBase::DoGetBestSize(); + return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); } -bool wxControl::ProcessCommand(wxCommandEvent& event) +wxBorder wxControl::GetDefaultBorder() const { -#if WXWIN_COMPATIBILITY - if ( m_callback ) - { - (void)(*m_callback)(*this, event); + return wxControlBase::GetDefaultBorder(); +} - return TRUE; - } +// This is a helper for all wxControls made with UPDOWN native control. +// In wxMSW it was only wxSpinCtrl derived from wxSpinButton but in +// WinCE of Smartphones this happens also for native wxTextCtrl, +// wxChoice and others. +wxSize wxControl::GetBestSpinnerSize(const bool is_vertical) const +{ + // take size according to layout + wxSize bestSize( +#if defined(__SMARTPHONE__) && defined(__WXWINCE__) + 0,GetCharHeight() +#else + ::GetSystemMetrics(is_vertical ? SM_CXVSCROLL : SM_CXHSCROLL), + ::GetSystemMetrics(is_vertical ? SM_CYVSCROLL : SM_CYHSCROLL) +#endif + ); + + // correct size as for undocumented MSW variants cases (WinCE and perhaps others) + if (bestSize.x==0) + bestSize.x = bestSize.y; + if (bestSize.y==0) + bestSize.y = bestSize.x; + + // double size according to layout + if (is_vertical) + bestSize.y *= 2; else -#endif // WXWIN_COMPATIBILITY + bestSize.x *= 2; - return GetEventHandler()->ProcessEvent(event); + return bestSize; +} + +/* static */ wxVisualAttributes +wxControl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) +{ + wxVisualAttributes attrs; + + // old school (i.e. not "common") controls use the standard dialog font + // by default + attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); + + // most, or at least many, of the controls use the same colours as the + // buttons -- others will have to override this (and possibly simply call + // GetCompositeControlsDefaultAttributes() from their versions) + attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT); + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); + + return attrs; +} + +// ---------------------------------------------------------------------------- +// message handling +// ---------------------------------------------------------------------------- + +bool wxControl::ProcessCommand(wxCommandEvent& event) +{ + return HandleWindowEvent(event); } -#ifdef __WIN95__ bool wxControl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM* result) { - wxEventType eventType = wxEVT_NULL; + wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL); NMHDR *hdr = (NMHDR*) lParam; switch ( hdr->code ) @@ -229,84 +357,138 @@ bool wxControl::MSWOnNotify(int idCtrl, event.SetEventType(eventType); event.SetEventObject(this); - return GetEventHandler()->ProcessEvent(event); + return HandleWindowEvent(event); } -#endif // Win95 -void wxControl::OnEraseBackground(wxEraseEvent& event) +WXHBRUSH wxControl::DoMSWControlColor(WXHDC pDC, wxColour colBg, WXHWND hWnd) { - // notice that this 'dumb' implementation may cause flicker for some of the - // controls in which case they should intercept wxEraseEvent and process it - // themselves somehow + HDC hdc = (HDC)pDC; - RECT rect; - ::GetClientRect(GetHwnd(), &rect); + WXHBRUSH hbr = 0; + if ( !colBg.IsOk() ) + { + wxWindow *win = wxFindWinFromHandle( hWnd ); + if ( !win ) + { + // If this HWND doesn't correspond to a wxWindow, it still might be + // one of its children for which we need to set the background + // brush, e.g. this is the case for the EDIT control that is part + // of wxComboBox. Check for this by asking the parent if it has it: + HWND parent = ::GetParent(hWnd); + if ( parent ) + { + wxWindow *winParent = wxFindWinFromHandle( parent ); + if( winParent && winParent->ContainsHWND( hWnd ) ) + win = winParent; + } + } + + if ( win ) + hbr = win->MSWGetBgBrush(pDC); + + // if the control doesn't have any bg colour, foreground colour will be + // ignored as the return value would be 0 -- so forcefully give it a + // non default background brush in this case + if ( !hbr && m_hasFgCol ) + colBg = GetBackgroundColour(); + } + + // use the background colour override if a valid colour is given: this is + // used when the control is disabled to grey it out and also if colBg was + // set just above + if ( colBg.IsOk() ) + { + wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBg); + hbr = (WXHBRUSH)brush->GetResourceHandle(); + } - HBRUSH hBrush = ::CreateSolidBrush(wxColourToRGB(GetBackgroundColour())); + // always set the foreground colour if we changed the background, whether + // m_hasFgCol is true or not: if it true, we must do it, of course, but + // even if it isn't, we must set the default foreground explicitly as by + // default just the simple black is used + if ( hbr ) + { + ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + } - HDC hdc = GetHdcOf((*event.GetDC())); - int mode = ::SetMapMode(hdc, MM_TEXT); + // finally also set the background colour for text drawing: without this, + // the text in an edit control is drawn using the default background even + // if we return a valid brush + if ( colBg.IsOk() || m_hasBgCol ) + { + if ( !colBg.IsOk() ) + colBg = GetBackgroundColour(); - ::FillRect(hdc, &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode(hdc, mode); + ::SetBkColor(hdc, wxColourToRGB(colBg)); + } + + return hbr; } -WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), -#if wxUSE_CTL3D - WXUINT message, - WXWPARAM wParam, - WXLPARAM lParam -#else - WXUINT WXUNUSED(message), - WXWPARAM WXUNUSED(wParam), - WXLPARAM WXUNUSED(lParam) -#endif - ) +WXHBRUSH wxControl::MSWControlColor(WXHDC pDC, WXHWND hWnd) { -#if wxUSE_CTL3D - if ( m_useCtl3D ) - { - HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); - return (WXHBRUSH) hbrush; - } -#endif // wxUSE_CTL3D + if ( HasTransparentBackground() ) + ::SetBkMode((HDC)pDC, TRANSPARENT); - HDC hdc = (HDC)pDC; - if (GetParent()->GetTransparentBackground()) - SetBkMode(hdc, TRANSPARENT); - else - SetBkMode(hdc, OPAQUE); + // don't pass any background colour to DoMSWControlColor(), our own + // background colour will be used by it only if it is set, otherwise the + // defaults will be used + return DoMSWControlColor(pDC, wxColour(), hWnd); +} - wxColour colBack = GetBackgroundColour(); +WXHBRUSH wxControl::MSWControlColorDisabled(WXHDC pDC) +{ + return DoMSWControlColor(pDC, + wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), + GetHWND()); +} - ::SetBkColor(hdc, wxColourToRGB(colBack)); - ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); +// ---------------------------------------------------------------------------- +// wxControlWithItems +// ---------------------------------------------------------------------------- - wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); +void wxControlWithItems::MSWAllocStorage(const wxArrayStringsAdapter& items, + unsigned wm) +{ + const unsigned numItems = items.GetCount(); + unsigned long totalTextLength = numItems; // for trailing '\0' characters + for ( unsigned i = 0; i < numItems; ++i ) + { + totalTextLength += items[i].length(); + } - return (WXHBRUSH)brush->GetResourceHandle(); + if ( SendMessage((HWND)MSWGetItemsHWND(), wm, numItems, + (LPARAM)totalTextLength*sizeof(wxChar)) == LB_ERRSPACE ) + { + wxLogLastError(wxT("SendMessage(XX_INITSTORAGE)")); + } } -WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const +int wxControlWithItems::MSWInsertOrAppendItem(unsigned pos, + const wxString& item, + unsigned wm) { - long msStyle = wxWindow::MSWGetStyle(style, exstyle); - - if ( AcceptsFocus() ) + LRESULT n = SendMessage((HWND)MSWGetItemsHWND(), wm, pos, + wxMSW_CONV_LPARAM(item)); + if ( n == CB_ERR || n == CB_ERRSPACE ) { - msStyle |= WS_TABSTOP; + wxLogLastError(wxT("SendMessage(XX_ADD/INSERTSTRING)")); + return wxNOT_FOUND; } - return msStyle; + return n; } // --------------------------------------------------------------------------- // global functions // --------------------------------------------------------------------------- +// this is used in radiobox.cpp and slider95.cpp and should be removed as soon +// as it is not needed there any more! +// // Call this repeatedly for several wnds to find the overall size // of the widget. -// Call it initially with -1 for all values in rect. +// Call it initially with wxDefaultCoord for all values in rect. // Keep calling for other widgets, and rect will be modified // to calculate largest bounding rectangle. void wxFindMaxSize(WXHWND wnd, RECT *rect)