X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c2a1d53c01e17ff3c35710a0fe0999d9a3832b4..0dd300cab599596e15ea46bf494f171edd6f0b08:/src/msw/statbox.cpp diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp index 441dd5147f..3a2d88de4c 100644 --- a/src/msw/statbox.cpp +++ b/src/msw/statbox.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/statbox.cpp +// Name: src/msw/statbox.cpp // Purpose: wxStaticBox // Author: Julian Smart // Modified by: @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "statbox.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,74 +26,34 @@ #if wxUSE_STATBOX +#include "wx/statbox.h" + #ifndef WX_PRECOMP #include "wx/app.h" #include "wx/dcclient.h" + #include "wx/dcmemory.h" + #include "wx/image.h" + #include "wx/sizer.h" #endif -#include "wx/statbox.h" #include "wx/notebook.h" #include "wx/sysopt.h" -#include "wx/image.h" -#include "wx/dcmemory.h" +#include "wx/msw/uxtheme.h" #include "wx/msw/private.h" +#include "wx/msw/missing.h" +#include "wx/msw/dc.h" -// ---------------------------------------------------------------------------- -// wxWin macros -// ---------------------------------------------------------------------------- +// the values coincide with those in tmschema.h +#define BP_GROUPBOX 4 -#if wxUSE_EXTENDED_RTTI -WX_DEFINE_FLAGS( wxStaticBoxStyle ) - -wxBEGIN_FLAGS( wxStaticBoxStyle ) - // new style border flags, we put them first to - // use them for streaming out - wxFLAGS_MEMBER(wxBORDER_SIMPLE) - wxFLAGS_MEMBER(wxBORDER_SUNKEN) - wxFLAGS_MEMBER(wxBORDER_DOUBLE) - wxFLAGS_MEMBER(wxBORDER_RAISED) - wxFLAGS_MEMBER(wxBORDER_STATIC) - wxFLAGS_MEMBER(wxBORDER_NONE) - - // old style border flags - wxFLAGS_MEMBER(wxSIMPLE_BORDER) - wxFLAGS_MEMBER(wxSUNKEN_BORDER) - wxFLAGS_MEMBER(wxDOUBLE_BORDER) - wxFLAGS_MEMBER(wxRAISED_BORDER) - wxFLAGS_MEMBER(wxSTATIC_BORDER) - wxFLAGS_MEMBER(wxBORDER) - - // standard window styles - wxFLAGS_MEMBER(wxTAB_TRAVERSAL) - wxFLAGS_MEMBER(wxCLIP_CHILDREN) - wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) - wxFLAGS_MEMBER(wxWANTS_CHARS) - wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) - wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) - wxFLAGS_MEMBER(wxVSCROLL) - wxFLAGS_MEMBER(wxHSCROLL) - -wxEND_FLAGS( wxStaticBoxStyle ) - -IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticBox, wxControl,"wx/statbox.h") - -wxBEGIN_PROPERTIES_TABLE(wxStaticBox) - wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) - wxPROPERTY_FLAGS( WindowStyle , wxStaticBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style -/* - TODO PROPERTIES : - label -*/ -wxEND_PROPERTIES_TABLE() +#define GBS_NORMAL 1 -wxBEGIN_HANDLERS_TABLE(wxStaticBox) -wxEND_HANDLERS_TABLE() +#define TMT_FONT 210 -wxCONSTRUCTOR_6( wxStaticBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) -#else -IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl) -#endif +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- // ============================================================================ // implementation @@ -121,18 +77,17 @@ bool wxStaticBox::Create(wxWindow *parent, if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) ) return false; + // Always use LTR layout. Otherwise, the label would be mirrored. + SetLayoutDirection(wxLayout_LeftToRight); + #ifndef __WXWINCE__ - Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint)); -#endif + if (!wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint"))) + Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint)); +#endif // !__WXWINCE__ return true; } -wxBorder wxStaticBox::GetDefaultBorder() const -{ - return wxBORDER_NONE; -} - WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const { long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle); @@ -142,28 +97,73 @@ WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const styleWin &= ~WS_CLIPCHILDREN; if ( exstyle ) - *exstyle = 0; + { +#ifndef __WXWINCE__ + // We may have children inside this static box, so use this style for + // TAB navigation to work if we ever use IsDialogMessage() to implement + // it (currently we don't because it's too buggy and implement TAB + // navigation ourselves, but this could change in the future). + *exstyle |= WS_EX_CONTROLPARENT; + + if (wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint"))) + *exstyle |= WS_EX_TRANSPARENT; +#endif + } - return styleWin | BS_GROUPBOX; + styleWin |= BS_GROUPBOX; + + if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ) + { + // Make sure label is on the right + styleWin |= BS_RIGHT; + } + + return styleWin; } wxSize wxStaticBox::DoGetBestSize() const { + wxSize best; + + // Calculate the size needed by the label int cx, cy; wxGetCharSize(GetHWND(), &cx, &cy, GetFont()); int wBox; - GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy); + GetTextExtent(GetLabelText(wxGetWindowText(m_hWnd)), &wBox, &cy); wBox += 3*cx; int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); - return wxSize(wBox, hBox); + // If there is a sizer then the base best size is the sizer's minimum + if (GetSizer() != NULL) + { + wxSize cm(GetSizer()->CalcMin()); + best = ClientToWindowSize(cm); + // adjust for a long label if needed + best.x = wxMax(best.x, wBox); + } + // otherwise the best size falls back to the label size + else + { + best = wxSize(wBox, hBox); + } + return best; +} + +void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const +{ + wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther); + + // need extra space, don't know how much but this seems to be enough + *borderTop += GetCharHeight()/3; } +// all the hacks below are not necessary for WinCE +#ifndef __WXWINCE__ + WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { -#ifndef __WXWINCE__ if ( nMsg == WM_NCHITTEST ) { // This code breaks some other processing such as enter/leave tracking @@ -174,8 +174,8 @@ WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPar s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient")); if (s_useHTClient == 1) { - int xPos = LOWORD(lParam); // horizontal position of cursor - int yPos = HIWORD(lParam); // vertical position of cursor + int xPos = GET_X_LPARAM(lParam); + int yPos = GET_Y_LPARAM(lParam); ScreenToClient(&xPos, &yPos); @@ -185,18 +185,57 @@ WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPar return (long)HTCLIENT; } } -#endif // !__WXWINCE__ + + if ( nMsg == WM_PRINTCLIENT ) + { + // we have to process WM_PRINTCLIENT ourselves as otherwise child + // windows' background (eg buttons in radio box) would never be drawn + // unless we have a parent with non default background + + // so check first if we have one + if ( !HandlePrintClient((WXHDC)wParam) ) + { + // no, we don't, erase the background ourselves + // (don't use our own) - see PaintBackground for explanation + wxBrush brush(GetParent()->GetBackgroundColour()); + wxFillRect(GetHwnd(), (HDC)wParam, GetHbrushOf(brush)); + } + + return 0; + } + + if ( nMsg == WM_UPDATEUISTATE ) + { + // DefWindowProc() redraws just the static box text when it gets this + // message and it does it using the standard (blue in standard theme) + // colour and not our own label colour that we use in PaintForeground() + // resulting in the label mysteriously changing the colour when e.g. + // "Alt" is pressed anywhere in the window, see #12497. + // + // To avoid this we simply refresh the window forcing our own code + // redrawing the label in the correct colour to be called. This is + // inefficient but there doesn't seem to be anything else we can do. + // + // Notice that the problem is XP-specific and doesn't arise under later + // systems. + if ( m_hasFgCol && wxGetWinVersion() == wxWinVersion_XP ) + Refresh(); + } return wxControl::MSWWindowProc(nMsg, wParam, lParam); } -void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const -{ - wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther); +// ---------------------------------------------------------------------------- +// static box drawing +// ---------------------------------------------------------------------------- - // need extra space, don't know how much but this seems to be enough - *borderTop += GetCharHeight()/3; -} +/* + We draw the static box ourselves because it's the only way to prevent it + from flickering horribly on resize (because everything inside the box is + erased twice: once when the box itself is repainted and second time when + the control inside it is repainted) without using WS_EX_TRANSPARENT style as + we used to do and which resulted in other problems. + */ // MSWGetRegionWithoutSelf helper: removes the given rectangle from region static inline void @@ -205,7 +244,7 @@ SubtractRectFromRgn(HRGN hrgn, int left, int top, int right, int bottom) AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom)); if ( !hrgnRect ) { - wxLogLastError(_T("CreateRectRgn()")); + wxLogLastError(wxT("CreateRectRgn()")); return; } @@ -238,83 +277,242 @@ WXHRGN wxStaticBox::MSWGetRegionWithoutChildren() RECT rc; ::GetWindowRect(GetHwnd(), &rc); HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1); + bool foundThis = false; // iterate over all child windows (not just wxWindows but all windows) for ( HWND child = ::GetWindow(GetHwndOf(GetParent()), GW_CHILD); child; child = ::GetWindow(child, GW_HWNDNEXT) ) { - wxWindow *childWindow = wxGetWindowFromHWND((WXHWND) child); + if ( ! ::IsWindowVisible(child) ) + { + // if the window isn't visible then it doesn't need clipped + continue; + } - // can't just test for (this != child) here since if a wxStaticBox - // overlaps another wxStaticBox then neither are drawn. The overlapping - // region will flicker but we shouldn't have overlapping windows anyway. - if ( !childWindow || !wxDynamicCast(childWindow, wxStaticBox) ) + LONG style = ::GetWindowLong(child, GWL_STYLE); + wxString str(wxGetWindowClass(child)); + str.UpperCase(); + if ( str == wxT("BUTTON") && (style & BS_GROUPBOX) == BS_GROUPBOX ) { - ::GetWindowRect(child, &rc); - if ( ::RectInRegion(hrgn, &rc) ) - { - // need to remove WS_CLIPSIBLINGS from all sibling windows - // that are within this staticbox if set - LONG style = ::GetWindowLong(child, GWL_STYLE); - if ( style & WS_CLIPSIBLINGS ) - { - style &= ~WS_CLIPSIBLINGS; - ::SetWindowLong(child, GWL_STYLE, style); - - // MSDN: "If you have changed certain window data using - // SetWindowLong, you must call SetWindowPos to have the - // changes take effect." - ::SetWindowPos(child, NULL, 0, 0, 0, 0, - SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | - SWP_FRAMECHANGED); - } + if ( child == GetHwnd() ) + foundThis = true; + + // Any static boxes below this one in the Z-order can't be clipped + // since if we have the case where a static box with a low Z-order + // is nested inside another static box with a high Z-order then the + // nested static box would be painted over. Doing it this way + // unfortunately results in flicker if the Z-order of nested static + // boxes is not inside (lowest) to outside (highest) but at least + // they are still shown. + if ( foundThis ) + continue; + } - AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc)); - ::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF); + ::GetWindowRect(child, &rc); + if ( ::RectInRegion(hrgn, &rc) ) + { + // need to remove WS_CLIPSIBLINGS from all sibling windows + // that are within this staticbox if set + if ( style & WS_CLIPSIBLINGS ) + { + style &= ~WS_CLIPSIBLINGS; + ::SetWindowLong(child, GWL_STYLE, style); + + // MSDN: "If you have changed certain window data using + // SetWindowLong, you must call SetWindowPos to have the + // changes take effect." + ::SetWindowPos(child, NULL, 0, 0, 0, 0, + SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | + SWP_FRAMECHANGED); } + + AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc)); + ::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF); } } return (WXHRGN)hrgn; } -// helper for OnPaint() +// helper for OnPaint(): really erase the background, i.e. do it even if we +// don't have any non default brush for doing it (DoEraseBackground() doesn't +// do anything in such case) void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc) { - // note that static box should be transparent, so it should show its - // parents colour, not its own - wxWindow * const parent = GetParent(); - - HBRUSH hbr = (HBRUSH)parent->MSWGetBgBrush(dc.GetHDC()); + // note that we do not use the box background colour here, it shouldn't + // apply to its interior for several reasons: + // 1. wxGTK doesn't do it + // 2. controls inside the box don't get correct bg colour because they + // are not our children so we'd have some really ugly colour mix if + // we did it + // 3. this is backwards compatible behaviour and some people rely on it, + // see http://groups.google.com/groups?selm=4252E932.3080801%40able.es + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HBRUSH hbr = MSWGetBgBrush(impl->GetHDC()); + + // if there is no special brush for painting this control, just use the + // solid background colour + wxBrush brush; if ( !hbr ) { - wxBrush *brush = - wxTheBrushList->FindOrCreateBrush(parent->GetBackgroundColour()); - if ( brush ) - hbr = GetHbrushOf(*brush); + brush = wxBrush(GetParent()->GetBackgroundColour()); + hbr = GetHbrushOf(brush); } - if ( hbr ) - ::FillRect(GetHdcOf(dc), &rc, hbr); + ::FillRect(GetHdcOf(*impl), &rc, hbr); +} + +void wxStaticBox::PaintForeground(wxDC& dc, const RECT& rc) +{ + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(*impl), 0); + +#if wxUSE_UXTHEME + // when using XP themes, neither setting the text colour nor transparent + // background mode doesn't change anything: the static box def window proc + // still draws the label in its own colours, so we need to redraw the text + // ourselves if we have a non default fg colour + if ( m_hasFgCol && wxUxThemeEngine::GetIfActive() ) + { + // draw over the text in default colour in our colour + HDC hdc = GetHdcOf(*impl); + ::SetTextColor(hdc, GetForegroundColour().GetPixel()); + + const bool rtl = wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft; + if ( rtl ) + ::SetTextAlign(hdc, TA_RTLREADING | TA_RIGHT); + + // Get dimensions of the label + const wxString label = GetLabel(); + + // choose the correct font + AutoHFONT font; + SelectInHDC selFont; + if ( m_hasFont ) + { + selFont.Init(hdc, GetHfontOf(GetFont())); + } + else // no font set, use the one set by the theme + { + wxUxThemeHandle hTheme(this, L"BUTTON"); + if ( hTheme ) + { + wxUxThemeFont themeFont; + if ( wxUxThemeEngine::Get()->GetThemeFont + ( + hTheme, + hdc, + BP_GROUPBOX, + GBS_NORMAL, + TMT_FONT, + themeFont.GetPtr() + ) == S_OK ) + { + font.Init(themeFont.GetLOGFONT()); + if ( font ) + selFont.Init(hdc, font); + } + } + } + + // Get the font extent + int width, height; + dc.GetTextExtent(wxStripMenuCodes(label, wxStrip_Mnemonics), + &width, &height); + + int x; + int y = height; + + // first we need to correctly paint the background of the label + // as Windows ignores the brush offset when doing it + // + // FIXME: value of x is hardcoded as this is what it is on my system, + // no idea if it's true everywhere + RECT dimensions = {0, 0, 0, y}; + if ( !rtl ) + { + x = 9; + dimensions.left = x; + dimensions.right = x + width; + } + else + { + x = rc.right - 7; + dimensions.left = x - width; + dimensions.right = x; + } + + // need to adjust the rectangle to cover all the label background + dimensions.left -= 2; + dimensions.right += 2; + dimensions.bottom += 2; + + if ( UseBgCol() ) + { + // our own background colour should be used for the background of + // the label: this is consistent with the behaviour under pre-XP + // systems (i.e. without visual themes) and generally makes sense + wxBrush brush = wxBrush(GetBackgroundColour()); + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + ::FillRect(GetHdcOf(*impl), &dimensions, GetHbrushOf(brush)); + } + else // paint parent background + { + PaintBackground(dc, dimensions); + } + + UINT drawTextFlags = DT_SINGLELINE | DT_VCENTER; + + // determine the state of UI queues to draw the text correctly under XP + // and later systems + static const bool isXPorLater = wxGetWinVersion() >= wxWinVersion_XP; + if ( isXPorLater ) + { + if ( ::SendMessage(GetHwnd(), WM_QUERYUISTATE, 0, 0) & + UISF_HIDEACCEL ) + { + drawTextFlags |= DT_HIDEPREFIX; + } + } + + // now draw the text + if ( !rtl ) + { + RECT rc2 = { x, 0, x + width, y }; + ::DrawText(hdc, label.t_str(), label.length(), &rc2, + drawTextFlags); + } + else // RTL + { + RECT rc2 = { x, 0, x - width, y }; + ::DrawText(hdc, label.t_str(), label.length(), &rc2, + drawTextFlags | DT_RTLREADING); + } + } +#endif // wxUSE_UXTHEME } void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event)) { - wxPaintDC dc(this); RECT rc; ::GetClientRect(GetHwnd(), &rc); - // draw the entire box in a memory DC, but only blit the bits not redrawn - // either by our children windows nor by FillRect() painting the background - // below + // draw the entire box in a memory DC wxMemoryDC memdc; wxBitmap bitmap(rc.right, rc.bottom); memdc.SelectObject(bitmap); PaintBackground(memdc, rc); - MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(memdc), 0); - + PaintForeground(memdc, rc); + + // now only blit the static box border itself, not the interior, to avoid + // flicker when background is drawn below + // + // note that it seems to be faster to do 4 small blits here and then paint + // directly into wxPaintDC than painting background in wxMemoryDC and then + // blitting everything at once to wxPaintDC, this is why we do it like this + wxPaintDC dc(this); int borderTop, border; GetBordersForSizer(&borderTop, &border); @@ -322,29 +520,33 @@ void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event)) dc.Blit(border, 0, rc.right - border, borderTop, &memdc, border, 0); // bottom - dc.Blit(border, rc.bottom - border, rc.right - border, rc.bottom, + dc.Blit(border, rc.bottom - border, rc.right - border, border, &memdc, border, rc.bottom - border); // left dc.Blit(0, 0, border, rc.bottom, &memdc, 0, 0); - // right - dc.Blit(rc.right - border, 0, rc.right, rc.bottom, - &memdc, rc.right - border, 0); + // right (note that upper and bottom right corners were already part of the + // first two blits so we shouldn't overwrite them here to avoi flicker) + dc.Blit(rc.right - border, borderTop, + border, rc.bottom - borderTop - border, + &memdc, rc.right - border, borderTop); + + // create the region excluding box children AutoHRGN hrgn((HRGN)MSWGetRegionWithoutChildren()); RECT rcWin; ::GetWindowRect(GetHwnd(), &rcWin); ::OffsetRgn(hrgn, -rcWin.left, -rcWin.top); - - // now remove the box itself + // and also the box itself MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom); + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HDCClipper clipToBg(GetHdcOf(*impl), hrgn); - // and paint the inside of the box (excluding child controls) - ::SelectClipRgn(GetHdcOf(dc), hrgn); + // paint the inside of the box (excluding box itself and child controls) PaintBackground(dc, rc); - ::SelectClipRgn(GetHdcOf(dc), NULL); } -#endif // wxUSE_STATBOX +#endif // !__WXWINCE__ +#endif // wxUSE_STATBOX