X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3b6e5fb3f58f881d70dda6531f9c8372231a59cf..575cabba69600557a34a08ddefad66628296ffad:/src/msw/statbox.cpp diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp index deb7761c26..14cb7674eb 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" @@ -30,18 +26,29 @@ #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" #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" + +// the values coincide with those in tmschema.h +#define BP_GROUPBOX 4 + +#define GBS_NORMAL 1 + +#define TMT_FONT 210 // ---------------------------------------------------------------------------- // wxWin macros @@ -121,7 +128,13 @@ bool wxStaticBox::Create(wxWindow *parent, if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) ) return false; - Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint)); + // 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; } @@ -135,9 +148,24 @@ WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const styleWin &= ~WS_CLIPCHILDREN; if ( exstyle ) - *exstyle = 0; + { +#ifndef __WXWINCE__ + if (wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint"))) + *exstyle = WS_EX_TRANSPARENT; + else +#endif + *exstyle = 0; + } + + styleWin |= BS_GROUPBOX; + + if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ) + { + // Make sure label is on the right + styleWin |= BS_RIGHT; + } - return styleWin | BS_GROUPBOX; + return styleWin; } wxSize wxStaticBox::DoGetBestSize() const @@ -146,17 +174,29 @@ wxSize wxStaticBox::DoGetBestSize() const 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); + wxSize best(wBox, hBox); + CacheBestSize(best); + return best; } -WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +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 @@ -167,8 +207,8 @@ 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); @@ -178,23 +218,39 @@ 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; + } return wxControl::MSWWindowProc(nMsg, wParam, lParam); } -void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const -{ - wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther); +// ---------------------------------------------------------------------------- +// static box drawing +// ---------------------------------------------------------------------------- - // if not using correct (but backwards cojmpatible) text metrics - // calculations, we need to add some extra margin or otherwise static box - // title is clipped -#if !wxDIALOG_UNIT_COMPATIBILITY - if ( !GetLabel().empty() ) - *borderTop += GetCharHeight()/3; -#endif // !wxDIALOG_UNIT_COMPATIBILITY -} +/* + 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 @@ -236,79 +292,245 @@ 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) { - HBRUSH hbr = (HBRUSH)DoMSWControlColor(GetHdcOf(dc), wxNullColour); + // 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 + wxWindow *parent = GetParent(); + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HBRUSH hbr = (HBRUSH)parent->MSWGetBgBrush(impl->GetHDC(), GetHWND()); + + // if there is no special brush for painting this control, just use the + // solid background colour + wxBrush brush; if ( !hbr ) { - wxBrush * - brush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour()); - if ( brush ) - hbr = GetHbrushOf(*brush); + brush = wxBrush(parent->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); + + // 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 ) + { + // GetThemeFont() expects its parameter to be LOGFONTW and not + // LOGFONTA even in ANSI programs and will happily corrupt + // memory after the struct end if we pass a LOGFONTA (which is + // smaller) to it! + LOGFONTW lfw; + if ( wxUxThemeEngine::Get()->GetThemeFont + ( + hTheme, + hdc, + BP_GROUPBOX, + GBS_NORMAL, + TMT_FONT, + (LOGFONT *)&lfw + ) == S_OK ) + { +#if wxUSE_UNICODE + // ok, no conversion necessary + const LOGFONT& lf = lfw; +#else // !wxUSE_UNICODE + // most of the fields are the same in LOGFONTA and LOGFONTW + LOGFONT lf; + memcpy(&lf, &lfw, sizeof(lf)); + + // but the face name must be converted + WideCharToMultiByte(CP_ACP, 0, lfw.lfFaceName, -1, + lf.lfFaceName, sizeof(lf.lfFaceName), + NULL, NULL); +#endif // wxUSE_UNICODE/!wxUSE_UNICODE + + font.Init(lf); + 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); + } + + // now draw the text + if ( !rtl ) + { + RECT rc2 = { x, 0, x + width, y }; + ::DrawText(hdc, label.wx_str(), label.length(), &rc2, + DT_SINGLELINE | DT_VCENTER); + } + else // RTL + { + RECT rc2 = { x, 0, x - width, y }; + ::DrawText(hdc, label.wx_str(), label.length(), &rc2, + DT_SINGLELINE | DT_VCENTER | DT_RTLREADING); + } + } } 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); @@ -316,29 +538,33 @@ 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