X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..908f91bce9bfe08204447ed7217a38625ecacc64:/src/msw/statbox.cpp?ds=sidebyside diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp index ae58e8f769..e23f78abe1 100644 --- a/src/msw/statbox.cpp +++ b/src/msw/statbox.cpp @@ -1,243 +1,402 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: statbox.cpp +// Name: msw/statbox.cpp // Purpose: wxStaticBox // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "statbox.h" +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// 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" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_STATBOX + #ifndef WX_PRECOMP -#include "wx/dcclient.h" -#include "wx/app.h" + #include "wx/app.h" + #include "wx/dcclient.h" #endif #include "wx/statbox.h" -#include "wx/msw/private.h" +#include "wx/notebook.h" +#include "wx/sysopt.h" +#include "wx/image.h" +#include "wx/dcmemory.h" -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl) +#include "wx/msw/private.h" +#include "wx/msw/missing.h" + +// ---------------------------------------------------------------------------- +// 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() -BEGIN_EVENT_TABLE(wxStaticBox, wxControl) - EVT_ERASE_BACKGROUND(wxStaticBox::OnEraseBackground) -END_EVENT_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 -/* - * Group box - */ - -bool wxStaticBox::Create(wxWindow *parent, wxWindowID id, - const wxString& label, - const wxPoint& pos, - const wxSize& size, - long style, - const wxString& name) +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxStaticBox +// ---------------------------------------------------------------------------- + +bool wxStaticBox::Create(wxWindow *parent, + wxWindowID id, + const wxString& label, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) { - SetName(name); + if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) ) + return false; - if (parent) parent->AddChild(this); + if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) ) + return false; - SetBackgroundColour(parent->GetDefaultBackgroundColour()) ; - SetForegroundColour(parent->GetDefaultForegroundColour()) ; +#ifndef __WXWINCE__ + Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint)); +#endif // !__WXWINCE__ - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; + return true; +} - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; +wxBorder wxStaticBox::GetDefaultBorder() const +{ + return wxBORDER_NONE; +} - m_windowStyle = style; +WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle); - long msStyle = BS_GROUPBOX | WS_CHILD | WS_VISIBLE ; // GROUP_FLAGS; + // no need for it anymore, must be removed for wxRadioBox child + // buttons to be able to repaint themselves + styleWin &= ~WS_CLIPCHILDREN; - bool want3D; - WXDWORD exStyle = Determine3DEffects(0, &want3D) ; + if ( exstyle ) + { + *exstyle = 0; + + // If any of the ancestors are scrolling windows, style has to be + // WS_EX_TRANSPARENT or the static box won't be painted when the window + // is scrolled. We try not to do this normally, because we get a lot of + // flicker. + for ( wxWindow *win = GetParent(); win; win = win->GetParent() ) + { + if ( win->HasFlag(wxVSCROLL) || win->HasFlag(wxHSCROLL) ) + { + *exstyle = WS_EX_TRANSPARENT; + break; + } + + if ( win->IsTopLevel() ) + break; + } + } - HWND wx_button = - CreateWindowEx(exStyle, "BUTTON", (const char *)label, msStyle, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); -#if CTL3D - if (want3D) - { - Ctl3dSubclassCtl(wx_button); - m_useCtl3D = TRUE; - } -#endif + return styleWin | BS_GROUPBOX; +} - m_hWnd = (WXHWND)wx_button; +wxSize wxStaticBox::DoGetBestSize() const +{ + int cx, cy; + wxGetCharSize(GetHWND(), &cx, &cy, GetFont()); - // Subclass again for purposes of dialog editing mode - SubclassWin(GetHWND()); + int wBox; + GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy); - SetFont(* parent->GetFont()); + wBox += 3*cx; + int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); - SetSize(x, y, width, height); - ShowWindow(wx_button, SW_SHOW); + return wxSize(wBox, hBox); +} - return TRUE; +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; } -void wxStaticBox::SetLabel(const wxString& label) +// all the hacks below are not necessary for WinCE +#ifndef __WXWINCE__ + +WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { - SetWindowText((HWND)m_hWnd, (const char *)label); + 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; + } + } + + return wxControl::MSWWindowProc(nMsg, wParam, lParam); } -void wxStaticBox::SetSize(int x, int y, int width, int height, int sizeFlags) +// ---------------------------------------------------------------------------- +// 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) { - int currentX, currentY; - GetPosition(¤tX, ¤tY); - - int x1 = x; - int y1 = y; - int w1 = width; - int h1 = height; - - if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - x1 = currentX; - if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - y1 = currentY; - - // If we're prepared to use the existing size, then... - if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO)) - { - GetSize(&w1, &h1); - } - - char buf[300]; - - int current_width; - - int cx; - int cy; - int cyf; - - HWND button = (HWND)m_hWnd; - wxGetCharSize(GetHWND(), &cx, &cy,GetFont()); - - GetWindowText(button, buf, 300); - GetTextExtent(buf, ¤t_width, &cyf,NULL,NULL,GetFont()); - if (w1 < 0) - w1 = (int)(current_width + 3*cx) ; - if (h1<0) - h1 = (int)(cyf*EDIT_CONTROL_FACTOR) ; - MoveWindow(button, x1, y1, w1, h1, TRUE); + AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom)); + if ( !hrgnRect ) + { + wxLogLastError(_T("CreateRectRgn()")); + return; + } + + ::CombineRgn(hrgn, hrgn, hrgnRect, RGN_DIFF); } -WXHBRUSH wxStaticBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +void wxStaticBox::MSWGetRegionWithoutSelf(WXHRGN hRgn, int w, int h) { -#if CTL3D - if ( m_useCtl3D ) - { - HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); - return (WXHBRUSH) hbrush; - } -#endif + HRGN hrgn = (HRGN)hRgn; - if (GetParent()->GetTransparentBackground()) - SetBkMode((HDC) pDC, TRANSPARENT); - else - SetBkMode((HDC) pDC, OPAQUE); + // remove the area occupied by the static box borders from the region + int borderTop, border; + GetBordersForSizer(&borderTop, &border); - ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); + // top + SubtractRectFromRgn(hrgn, 0, 0, w, borderTop); - wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); + // bottom + SubtractRectFromRgn(hrgn, 0, h - border, w, h); - // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush - // has a zero usage count. -// backgroundBrush->RealizeResource(); - return (WXHBRUSH) backgroundBrush->GetResourceHandle(); -} + // left + SubtractRectFromRgn(hrgn, 0, 0, border, h); -// Shouldn't erase the whole window, since the static box must only paint its -// outline. -void wxStaticBox::OnEraseBackground(wxEraseEvent& event) -{ - // If we don't have this (call Default()), we don't paint the background properly. - // If we do have this, we seem to overwrite enclosed controls. - // Is it the WS_CLIPCHILDREN style that's causing the problems? - // Probably - without this style, the background of the window will show through, - // so the control doesn't have to paint it. The window background will always be - // painted before all other controls, therefore there are no problems with - // controls being hidden by the static box. - // So, if we could specify wxCLIP_CHILDREN in window, or not, we could optimise painting better. - // We would assume wxCLIP_CHILDREN in a frame and a scrolled window, but not in a panel. - // Is this too platform-specific?? What else can we do? Not a lot, since we have to pass - // this information from arbitrary wxWindow derivatives, and it depends on what you wish to - // do with the windows. - // Alternatively, just make sure that wxStaticBox is always at the back! There are probably - // few other circumstances where it matters about child clipping. But what about painting onto - // to panel, inside a groupbox? Doesn't appear, because the box wipes it out. - wxWindow *parent = GetParent(); - if ( parent && parent->GetHWND() && (::GetWindowLong((HWND) parent->GetHWND(), GWL_STYLE) & WS_CLIPCHILDREN) ) - { - // TODO: May in fact need to generate a paint event for inside this - // control's rectangle, otherwise all controls are going to be clipped - - // ugh. - HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT); - - RECT rect; - - ::GetClientRect((HWND) GetHWND(), &rect); - ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode); - } - else - Default(); + // right + SubtractRectFromRgn(hrgn, w - border, 0, w, h); } -long wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +WXHRGN wxStaticBox::MSWGetRegionWithoutChildren() { - // TODO: somehow, this has to accept mouse clicks in user interface edit mode, - // but not otherwise. Only there is no longer a UI edit mode... - - // It worked before because the message could be processed if not in UI - // edit mode. We have to find some way of distinguishing this. - // Maybe this class can have an AcceptMouseEvents(bool) function; a sort of - // kludge... or, we can search for an active event table entry that will - // intercept mouse events, and if one exists (that isn't the default), - // skip the code below. Too time consuming though. - // Perhaps it's ok to do the default thing *anyway* because the title or edge - // of the window may still be active! -// if (nMsg == WM_NCHITTEST) -// return Default(); - - if (nMsg == WM_NCHITTEST) + RECT rc; + ::GetWindowRect(GetHwnd(), &rc); + HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1); + + // 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) ) { - int xPos = LOWORD(lParam); // horizontal position of cursor - int yPos = HIWORD(lParam); // vertical position of cursor + wxWindow *childWindow = wxGetWindowFromHWND((WXHWND) child); + + // 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) ) + { + ::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); + } + + AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc)); + ::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF); + } + } + } - ScreenToClient(&xPos, &yPos); + return (WXHRGN)hrgn; +} - // 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; +// 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 + wxWindow *parent = GetParent(); + HBRUSH hbr = (HBRUSH)parent->MSWGetBgBrush(dc.GetHDC(), GetHWND()); + + // if there is no special brush for painting this control, just use the + // solid background colour + wxBrush brush; + if ( !hbr ) + { + brush = wxBrush(parent->GetBackgroundColour()); + hbr = GetHbrushOf(brush); } - return wxControl::MSWWindowProc(nMsg, wParam, lParam); + ::FillRect(GetHdcOf(dc), &rc, hbr); } +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); + + // NB: 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 if we want to have control + // over this we really have to draw everything ourselves + MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(memdc), 0); + + + // 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); + + // top + dc.Blit(border, 0, rc.right - border, borderTop, + &memdc, border, 0); + // bottom + dc.Blit(border, rc.bottom - border, rc.right - border, rc.bottom, + &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); + + + // 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); + HDCClipper clipToBg(GetHdcOf(dc), hrgn); + + // paint the inside of the box (excluding box itself and child controls) + PaintBackground(dc, rc); +} + +#endif // !__WXWINCE__ + +#endif // wxUSE_STATBOX +