X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/301e257baf3a227beb587749134bbc40786f761f..07aaf32633ecf18ec3edfbb41793a112914792d0:/src/msw/statbox.cpp?ds=sidebyside diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp index 6cd10ee393..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" @@ -30,77 +26,35 @@ #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/msw/uxtheme.h" #include "wx/msw/private.h" +#include "wx/msw/missing.h" +#include "wx/msw/dc.h" -// this is for Win CE -#ifndef WS_EX_TRANSPARENT - #define WS_EX_TRANSPARENT 0 -#endif +// the values coincide with those in tmschema.h +#define BP_GROUPBOX 4 + +#define GBS_NORMAL 1 + +#define TMT_FONT 210 // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- -#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() - -wxBEGIN_HANDLERS_TABLE(wxStaticBox) -wxEND_HANDLERS_TABLE() - -wxCONSTRUCTOR_6( wxStaticBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) -#else -IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl) -#endif - // ============================================================================ // implementation // ============================================================================ @@ -120,39 +74,479 @@ bool wxStaticBox::Create(wxWindow *parent, if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) ) return false; - if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label, - WS_EX_TRANSPARENT) ) + if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) ) return false; + // Always use LTR layout. Otherwise, the label would be mirrored. + SetLayoutDirection(wxLayout_LeftToRight); + +#ifndef __WXWINCE__ + if (!wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint"))) + Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint)); +#endif // !__WXWINCE__ + return true; } +WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle); + + // no need for it anymore, must be removed for wxRadioBox child + // buttons to be able to repaint themselves + styleWin &= ~WS_CLIPCHILDREN; + + if ( exstyle ) + { +#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 + } + + 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) +{ + if ( nMsg == WM_NCHITTEST ) + { + // This code breaks some other processing such as enter/leave tracking + // so it's off by default. + + static int s_useHTClient = -1; + if (s_useHTClient == -1) + s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient")); + if (s_useHTClient == 1) + { + int xPos = GET_X_LPARAM(lParam); + int yPos = GET_Y_LPARAM(lParam); + + ScreenToClient(&xPos, &yPos); + + // Make sure you can drag by the top of the groupbox, but let + // other (enclosed) controls get mouse events also + if ( yPos < 10 ) + return (long)HTCLIENT; + } + } + + 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); +} + +// ---------------------------------------------------------------------------- +// static box drawing +// ---------------------------------------------------------------------------- + +/* + 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 +SubtractRectFromRgn(HRGN hrgn, int left, int top, int right, int bottom) +{ + AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom)); + if ( !hrgnRect ) + { + wxLogLastError(wxT("CreateRectRgn()")); + return; + } + + ::CombineRgn(hrgn, hrgn, hrgnRect, RGN_DIFF); +} + +void wxStaticBox::MSWGetRegionWithoutSelf(WXHRGN hRgn, int w, int h) +{ + HRGN hrgn = (HRGN)hRgn; + + // remove the area occupied by the static box borders from the region + int borderTop, border; + GetBordersForSizer(&borderTop, &border); + + // top + SubtractRectFromRgn(hrgn, 0, 0, w, borderTop); + + // bottom + SubtractRectFromRgn(hrgn, 0, h - border, w, h); + + // left + SubtractRectFromRgn(hrgn, 0, 0, border, h); + + // right + SubtractRectFromRgn(hrgn, w - border, 0, w, h); +} + +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) ) + { + if ( ! ::IsWindowVisible(child) ) + { + // if the window isn't visible then it doesn't need clipped + continue; + } + + LONG style = ::GetWindowLong(child, GWL_STYLE); + wxString str(wxGetWindowClass(child)); + str.UpperCase(); + if ( str == wxT("BUTTON") && (style & BS_GROUPBOX) == BS_GROUPBOX ) + { + 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; + } + + ::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(): 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 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 ) + { + brush = wxBrush(GetParent()->GetBackgroundColour()); + hbr = GetHbrushOf(brush); + } + + ::FillRect(GetHdcOf(*impl), &rc, hbr); } -WXHBRUSH -wxStaticBox::MSWGetBgBrushForSelf(wxWindow *parent, WXHDC WXUNUSED(pDC)) +void wxStaticBox::PaintForeground(wxDC& dc, const RECT& rc) { - // we can't use pattern brushes because, apparently, the window proc of our - // class does something which invalidates the brush origin before drawing - // with it and so any patetrn brush is used incorrectly as can be seen by - // putting a static box inside a (themed) notebook + 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)) +{ + RECT rc; + ::GetClientRect(GetHwnd(), &rc); + + // draw the entire box in a memory DC + wxMemoryDC memdc; + wxBitmap bitmap(rc.right, rc.bottom); + memdc.SelectObject(bitmap); + + PaintBackground(memdc, rc); + PaintForeground(memdc, rc); + + // now only blit the static box border itself, not the interior, to avoid + // flicker when background is drawn below // - // so always use solid brush for painting the background (note that this - // only applies to the background of the box label, not the insides of the - // box itself) - return parent->MSWGetSolidBgBrushForChild(this); + // 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); + + // top + dc.Blit(border, 0, rc.right - border, borderTop, + &memdc, border, 0); + // 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 (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); + + // and also the box itself + MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom); + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HDCClipper clipToBg(GetHdcOf(*impl), hrgn); + + // paint the inside of the box (excluding box itself and child controls) + PaintBackground(dc, rc); } +#endif // !__WXWINCE__ + #endif // wxUSE_STATBOX