#include "wx/intl.h"
#include "wx/settings.h"
#include "wx/bitmap.h"
+ #include "wx/region.h"
#include "wx/dcmemory.h"
#include "wx/control.h"
#include "wx/app.h" // for GetComCtl32Version
BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
- EVT_ERASE_BACKGROUND(wxToolBar::OnEraseBackground)
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
clientData, shortHelp, longHelp)
{
m_nSepCount = 0;
- m_staticText = 0;
+ m_staticText = NULL;
}
wxToolBarTool(wxToolBar *tbar, wxControl *control, const wxString& label)
wxStaticText* GetStaticText()
{
wxASSERT_MSG( IsControl(),
- _T("only makes sense for embedded control tools") );
+ wxT("only makes sense for embedded control tools") );
return m_staticText;
}
void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
size_t GetSeparatorsCount() const { return m_nSepCount; }
+ // we need ids for the spacers which we want to modify later on, this
+ // function will allocate a valid/unique id for a spacer if not done yet
+ void AllocSpacerId()
+ {
+ if ( m_id == wxID_SEPARATOR )
+ m_id = wxWindow::NewControlId();
+ }
+
+ // this method is used for controls only and offsets the control by the
+ // given amount (in pixels) in horizontal direction
+ void MoveBy(int offset)
+ {
+ wxControl * const control = GetControl();
+
+ control->Move(control->GetPosition().x + offset, wxDefaultCoord);
+
+ if ( m_staticText )
+ {
+ m_staticText->Move(m_staticText->GetPosition().x + offset,
+ wxDefaultCoord);
+ }
+ }
+
private:
size_t m_nSepCount;
wxStaticText *m_staticText;
m_disabledImgList = NULL;
m_nButtons = 0;
+ m_totalFixedSize = 0;
// even though modern Windows applications typically use 24*24 (or even
// 32*32) size for their bitmaps, the native control itself still uses the
wxSetCCUnicodeFormat(GetHwnd());
- // workaround for flat toolbar on Windows XP classic style: we have to set
- // the style after creating the control; doing it at creation time doesn't work
-#if wxUSE_UXTHEME
- if ( style & wxTB_FLAT )
- {
- LRESULT style = GetMSWToolbarStyle();
-
- if ( !(style & TBSTYLE_FLAT) )
- ::SendMessage(GetHwnd(), TB_SETSTYLE, 0, style | TBSTYLE_FLAT);
- }
-#endif // wxUSE_UXTHEME
+ // we always erase our background on WM_PAINT so there is no need to do it
+ // in WM_ERASEBKGND too (by default this won't be done but if the toolbar
+ // has a non default background colour, then it would be used in both
+ // places resulting in flicker)
+ SetBackgroundStyle(wxBG_STYLE_PAINT);
return true;
}
if ( !MSWCreateToolbar(pos, size) )
{
// what can we do?
- wxFAIL_MSG( _T("recreating the toolbar failed") );
+ wxFAIL_MSG( wxT("recreating the toolbar failed") );
return;
}
m_hBitmap = 0;
}
- if ( m_disabledImgList )
- {
- delete m_disabledImgList;
- m_disabledImgList = NULL;
- }
+ wxDELETE(m_disabledImgList);
Realize();
}
if ( !(style & wxTB_NO_TOOLTIPS) )
msStyle |= TBSTYLE_TOOLTIPS;
- if ( style & (wxTB_FLAT | wxTB_HORZ_LAYOUT) )
- {
- // static as it doesn't change during the program lifetime
- static const int s_verComCtl = wxApp::GetComCtl32Version();
-
- // comctl32.dll 4.00 doesn't support the flat toolbars and using this
- // style with 6.00 (part of Windows XP) leads to the toolbar with
- // incorrect background colour - and not using it still results in the
- // correct (flat) toolbar, so don't use it there
- if ( s_verComCtl > 400 && s_verComCtl < 600 )
- msStyle |= TBSTYLE_FLAT | TBSTYLE_TRANSPARENT;
-
- if ( s_verComCtl >= 470 && style & wxTB_HORZ_LAYOUT )
- msStyle |= TBSTYLE_LIST;
- }
+ if ( style & wxTB_FLAT && wxApp::GetComCtl32Version() > 400 )
+ msStyle |= TBSTYLE_FLAT;
+
+ if ( style & wxTB_HORZ_LAYOUT && wxApp::GetComCtl32Version() >= 470 )
+ msStyle |= TBSTYLE_LIST;
if ( style & wxTB_NODIVIDER )
msStyle |= CCS_NODIVIDER;
if ( style & wxTB_RIGHT )
msStyle |= CCS_RIGHT;
+ // always use TBSTYLE_TRANSPARENT because the background is not drawn
+ // correctly without it in all themes and, for whatever reason, the control
+ // also flickers horribly when it is resized if this style is not used
+ //
+ // note that this is implicitly enabled by the native toolbar itself when
+ // TBSTYLE_FLAT is used (i.e. it's impossible to use TBSTYLE_FLAT without
+ // TBSTYLE_TRANSPARENT) but turn it on explicitly in any case
+ msStyle |= TBSTYLE_TRANSPARENT;
+
return msStyle;
}
wxToolBarTool *tool2 = (wxToolBarTool*)node->GetData();
if ( tool2->IsControl() )
{
- wxControl * const control = tool2->GetControl();
-
- int x;
- control->GetPosition(&x, NULL);
- control->Move(x - width, wxDefaultCoord);
-
- wxStaticText * const staticText = tool2->GetStaticText();
- if ( staticText )
- staticText->Move(x - width, wxDefaultCoord);
+ tool2->MoveBy(-width);
}
}
void wxToolBar::CreateDisabledImageList()
{
- if (m_disabledImgList != NULL)
- {
- delete m_disabledImgList;
- m_disabledImgList = NULL;
- }
+ wxDELETE(m_disabledImgList);
// as we can't use disabled image list with older versions of comctl32.dll,
// don't even bother creating it
{
wxToolBarToolBase *tool = node->GetData();
wxBitmap bmpDisabled = tool->GetDisabledBitmap();
- if ( bmpDisabled.Ok() )
+ if ( bmpDisabled.IsOk() )
{
+ const wxSize sizeBitmap = bmpDisabled.GetSize();
m_disabledImgList = new wxImageList
(
- m_defaultWidth,
- m_defaultHeight,
+ sizeBitmap.x,
+ sizeBitmap.y,
bmpDisabled.GetMask() != NULL,
GetToolsCount()
);
const int w = bmp.GetWidth();
const int h = bmp.GetHeight();
- if ( bmp.Ok() )
+ if ( bmp.IsOk() )
{
int xOffset = wxMax(0, (m_defaultWidth - w)/2);
int yOffset = wxMax(0, (m_defaultHeight - h)/2);
}
else
{
- wxFAIL_MSG( _T("invalid tool button bitmap") );
+ wxFAIL_MSG( wxT("invalid tool button bitmap") );
}
// also deal with disabled bitmap if we want to use them
{
wxBitmap bmpDisabled = tool->GetDisabledBitmap();
#if wxUSE_IMAGE && wxUSE_WXDIB
- if ( !bmpDisabled.Ok() )
+ if ( !bmpDisabled.IsOk() )
{
// no disabled bitmap specified but we still need to
// fill the space in the image list with something, so
int i = 0;
for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
{
- wxToolBarToolBase *tool = node->GetData();
+ wxToolBarTool *tool = static_cast<wxToolBarTool *>(node->GetData());
// don't add separators to the vertical toolbar with old comctl32.dll
// versions as they didn't handle this properly
switch ( tool->GetStyle() )
{
case wxTOOL_STYLE_CONTROL:
- button.idCommand = tool->GetId();
- // fall through: create just a separator too
-
case wxTOOL_STYLE_SEPARATOR:
+ if ( tool->IsStretchableSpace() )
+ {
+ // we're going to modify the size of this button later and
+ // so we need a valid id for it and not wxID_SEPARATOR
+ // which is used by spacers by default
+ tool->AllocSpacerId();
+
+ // also set the number of separators so that the logic in
+ // HandlePaint() works correctly
+ tool->SetSeparatorsCount(1);
+ }
+
+ button.idCommand = tool->GetId();
button.fsState = TBSTATE_ENABLED;
button.fsStyle = TBSTYLE_SEP;
break;
break;
default:
- wxFAIL_MSG( _T("unexpected toolbar button kind") );
+ wxFAIL_MSG( wxT("unexpected toolbar button kind") );
button.fsStyle = TBSTYLE_BUTTON;
break;
}
}
- // Deal with the controls finally
- // ------------------------------
+ // Adjust controls and stretchable spaces
+ // --------------------------------------
- // adjust the controls size to fit nicely in the toolbar
- int y = 0;
- size_t index = 0;
- for ( node = m_tools.GetFirst(); node; node = node->GetNext(), index++ )
+ // adjust the controls size to fit nicely in the toolbar and compute its
+ // total size while doing it
+ m_totalFixedSize = 0;
+ int toolIndex = 0;
+ for ( node = m_tools.GetFirst(); node; node = node->GetNext(), toolIndex++ )
{
- wxToolBarTool *tool = (wxToolBarTool*)node->GetData();
+ wxToolBarTool * const tool = (wxToolBarTool*)node->GetData();
- // we calculate the running y coord for vertical toolbars so we need to
- // get the items size for all items but for the horizontal ones we
- // don't need to deal with the non controls
- bool isControl = tool->IsControl();
- if ( !isControl && !IsVertical() )
- continue;
+ const RECT r = wxGetTBItemRect(GetHwnd(), toolIndex);
- const RECT r = wxGetTBItemRect(GetHwnd(), index);
- if ( !isControl )
+ if ( !tool->IsControl() )
{
- // can only be control if isVertical
- y += r.bottom - r.top;
+ if ( IsVertical() )
+ m_totalFixedSize += r.bottom - r.top;
+ else
+ m_totalFixedSize += r.right - r.left;
continue;
}
- wxControl *control = tool->GetControl();
+ if ( IsVertical() )
+ {
+ // don't embed controls in the vertical toolbar, this doesn't look
+ // good and wxGTK doesn't do it neither (and the code below can't
+ // deal with this case)
+ continue;
+ }
+
+ wxControl * const control = tool->GetControl();
wxStaticText * const staticText = tool->GetStaticText();
wxSize size = control->GetSize();
staticTextSize.y += 3; // margin between control and its label
}
- // the position of the leftmost controls corner
- int left = wxDefaultCoord;
-
// TB_SETBUTTONINFO message is only supported by comctl32.dll 4.71+
#ifdef TB_SETBUTTONINFO
// available in headers, now check whether it is available now
{
// try adding several separators to fit the controls width
int widthSep = r.right - r.left;
- left = r.left;
TBBUTTON tbb;
wxZeroMemory(tbb);
for ( size_t nSep = 0; nSep < nSeparators; nSep++ )
{
if ( !::SendMessage(GetHwnd(), TB_INSERTBUTTON,
- index, (LPARAM)&tbb) )
+ toolIndex, (LPARAM)&tbb) )
{
wxLogLastError(wxT("TB_INSERTBUTTON"));
}
- index++;
+ toolIndex++;
}
// remember the number of separators we used - we'd have to
// delete all of them later
- ((wxToolBarTool *)tool)->SetSeparatorsCount(nSeparators);
+ tool->SetSeparatorsCount(nSeparators);
// adjust the controls width to exactly cover the separators
size.x = (nSeparators + 1)*widthSep;
staticText->Show();
}
- int top;
- if ( IsVertical() )
- {
- left = 0;
- top = y;
-
- y += height + 2 * GetMargins().y;
- }
- else // horizontal toolbar
- {
- if ( left == wxDefaultCoord )
- left = r.left;
-
- top = r.top;
- }
-
- control->Move(left, top + (diff + 1) / 2);
+ control->Move(r.left, r.top + (diff + 1) / 2);
if ( staticText )
{
- staticText->Move(left + (size.x - staticTextSize.x)/2,
+ staticText->Move(r.left + (size.x - staticTextSize.x)/2,
r.bottom - staticTextSize.y);
}
+
+ m_totalFixedSize += size.x;
}
// the max index is the "real" number of buttons - i.e. counting even the
// separators which we added just for aligning the controls
- m_nButtons = index;
+ m_nButtons = toolIndex;
if ( !IsVertical() )
{
return true;
}
+void wxToolBar::UpdateStretchableSpacersSize()
+{
+#ifdef TB_SETBUTTONINFO
+ // we can't resize the spacers if TB_SETBUTTONINFO is not supported (we
+ // could try to do it with multiple separators as for the controls but this
+ // is too painful and it just doesn't seem to be worth doing for the
+ // ancient systems)
+ if ( wxApp::GetComCtl32Version() < 471 )
+ return;
+
+ // check if we have any stretchable spacers in the first place
+ unsigned numSpaces = 0;
+ wxToolBarToolsList::compatibility_iterator node;
+ for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
+ {
+ wxToolBarTool * const tool = (wxToolBarTool*)node->GetData();
+ if ( tool->IsStretchableSpace() )
+ numSpaces++;
+ }
+
+ if ( !numSpaces )
+ return;
+
+ // we do, adjust their size: either distribute the extra size among them or
+ // reduce their size if there is not enough place for all tools
+ const int totalSize = IsVertical() ? GetClientSize().y : GetClientSize().x;
+ const int extraSize = totalSize - m_totalFixedSize;
+ const int sizeSpacer = extraSize > 0 ? extraSize / numSpaces : 1;
+
+ // the last spacer should consume all remaining space if we have too much
+ // of it (which can be greater than sizeSpacer because of the rounding)
+ const int sizeLastSpacer = extraSize > 0
+ ? extraSize - (numSpaces - 1)*sizeSpacer
+ : 1;
+
+ // cumulated offset by which we need to move all the following controls to
+ // the right: while the toolbar takes care of the normal items, we must
+ // move the controls manually ourselves to ensure they remain at the
+ // correct place
+ int offset = 0;
+ int toolIndex = 0;
+ for ( node = m_tools.GetFirst(); node; node = node->GetNext(), toolIndex++ )
+ {
+ wxToolBarTool * const tool = (wxToolBarTool*)node->GetData();
+
+ if ( tool->IsControl() && offset )
+ {
+ tool->MoveBy(offset);
+
+ continue;
+ }
+
+ if ( !tool->IsStretchableSpace() )
+ continue;
+
+ const RECT rcOld = wxGetTBItemRect(GetHwnd(), toolIndex);
+
+ WinStruct<TBBUTTONINFO> tbbi;
+ tbbi.dwMask = TBIF_SIZE;
+ tbbi.cx = --numSpaces ? sizeSpacer : sizeLastSpacer;
+
+ if ( !::SendMessage(GetHwnd(), TB_SETBUTTONINFO,
+ tool->GetId(), (LPARAM)&tbbi) )
+ {
+ wxLogLastError(wxT("TB_SETBUTTONINFO"));
+ }
+ else
+ {
+ // we successfully resized this one, move all the controls after it
+ // by the corresponding amount (may be positive or negative)
+ offset += tbbi.cx - (rcOld.right - rcOld.left);
+ }
+ }
+#endif // TB_SETBUTTONINFO
+}
+
// ----------------------------------------------------------------------------
// message handlers
// ----------------------------------------------------------------------------
// Without the two lines of code below, if the toolbar was repainted during
// OnLeftClick(), then it could end up without the tool bitmap temporarily
// (see http://lists.nongnu.org/archive/html/lmi/2008-10/msg00014.html).
- // The Update() call bellow ensures that this won't happen, by repainting
+ // The Update() call below ensures that this won't happen, by repainting
// invalidated areas of the toolbar immediately.
//
// To complicate matters, the tool would be drawn in depressed state (this
::SendMessage(GetHwnd(), TB_SETSTATE, id, MAKELONG(state, 0));
// OnLeftClick() can veto the button state change - for buttons which
- // may be toggled only, of couse
+ // may be toggled only, of course.
if ( !allowLeftClick && tool->CanBeToggled() )
{
// revert back
}
const wxToolBarToolBase * const tool = FindById(tbhdr->iItem);
- wxCHECK_MSG( tool, false, _T("drop down message for unknown tool") );
+ wxCHECK_MSG( tool, false, wxT("drop down message for unknown tool") );
wxMenu * const menu = tool->GetDropdownMenu();
if ( !menu )
{
// VZ: AFAIK, the button has to be created either with TBSTYLE_CHECK or
// without, so we really need to delete the button and recreate it here
- wxFAIL_MSG( _T("not implemented") );
+ wxFAIL_MSG( wxT("not implemented") );
}
void wxToolBar::SetToolNormalBitmap( int id, const wxBitmap& bitmap )
}
}
-// This handler is required to allow the toolbar to be set to a non-default
-// colour: for example, when it must blend in with a notebook page.
-void wxToolBar::OnEraseBackground(wxEraseEvent& event)
-{
- RECT rect = wxGetClientRect(GetHwnd());
-
- wxDC *dc = event.GetDC();
- if (!dc) return;
- wxMSWDCImpl *impl = (wxMSWDCImpl*) dc->GetImpl();
- HDC hdc = GetHdcOf(*impl);
-
- int majorVersion, minorVersion;
- wxGetOsVersion(& majorVersion, & minorVersion);
-
-#if wxUSE_UXTHEME
- // we may need to draw themed colour so that we appear correctly on
- // e.g. notebook page under XP with themes but only do it if the parent
- // draws themed background itself
- if ( !UseBgCol() && !GetParent()->UseBgCol() )
- {
- wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive();
- if ( theme )
- {
- HRESULT
- hr = theme->DrawThemeParentBackground(GetHwnd(), hdc, &rect);
- if ( hr == S_OK )
- return;
-
- // it can also return S_FALSE which seems to simply say that it
- // didn't draw anything but no error really occurred
- if ( FAILED(hr) )
- wxLogApiError(_T("DrawThemeParentBackground(toolbar)"), hr);
- }
- }
-
- // Only draw a rebar theme on Vista, since it doesn't jive so well with XP
- if ( !UseBgCol() && majorVersion >= 6 )
- {
- wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive();
- if ( theme )
- {
- wxUxThemeHandle hTheme(this, L"REBAR");
-
- RECT r;
- wxRect rect = GetClientRect();
- wxCopyRectToRECT(rect, r);
-
- HRESULT hr = theme->DrawThemeBackground(hTheme, hdc, 0, 0, & r, NULL);
- if ( hr == S_OK )
- return;
-
- // it can also return S_FALSE which seems to simply say that it
- // didn't draw anything but no error really occurred
- if ( FAILED(hr) )
- wxLogApiError(_T("DrawThemeParentBackground(toolbar)"), hr);
- }
- }
-
-#endif // wxUSE_UXTHEME
-
- // we need to always draw our background under XP, as otherwise it doesn't
- // appear correctly with some themes (e.g. Zune one)
- if ( majorVersion == 5 ||
- UseBgCol() || (GetMSWToolbarStyle() & TBSTYLE_TRANSPARENT) )
- {
- // do draw our background
- //
- // 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
- AutoHBRUSH hBrush(wxColourToRGB(GetBackgroundColour()));
-
- wxCHANGE_HDC_MAP_MODE(hdc, MM_TEXT);
- ::FillRect(hdc, &rect, hBrush);
- }
- else // we have no non default background colour
- {
- // let the system do it for us
- event.Skip();
- }
-}
-
bool wxToolBar::HandleSize(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
{
// wait until we have some tools
SetSize(w, h);
}
+ UpdateStretchableSpacersSize();
+
// message processed
return true;
}
-#ifndef __WXWINCE__
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
+
bool wxToolBar::HandlePaint(WXWPARAM wParam, WXLPARAM lParam)
{
- // erase any dummy separators which were used
- // for aligning the controls if any here
-
- // first of all, are there any controls at all?
- wxToolBarToolsList::compatibility_iterator node;
- for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
+ // we must prevent the dummy separators corresponding to controls or
+ // stretchable spaces from being seen: we used to do it by painting over
+ // them but this, unsurprisingly, resulted in a lot of flicker so now we
+ // prevent the toolbar from painting them at all
+
+ // compute the region containing all dummy separators which we don't want
+ // to be seen
+ wxRegion rgnDummySeps;
+ const wxRect rectTotal = GetClientRect();
+ int toolIndex = 0;
+ for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
+ node;
+ node = node->GetNext() )
{
- if ( node->GetData()->IsControl() )
- break;
- }
-
- if ( !node )
- // no controls, nothing to erase
- return false;
-
- wxSize clientSize = GetClientSize();
- int majorVersion, minorVersion;
- wxGetOsVersion(& majorVersion, & minorVersion);
-
- // prepare the DC on which we'll be drawing
- wxClientDC dc(this);
- dc.SetBrush(wxBrush(GetBackgroundColour(), wxSOLID));
- dc.SetPen(*wxTRANSPARENT_PEN);
-
- RECT r;
- if ( !::GetUpdateRect(GetHwnd(), &r, FALSE) )
- // nothing to redraw anyhow
- return false;
-
- wxRect rectUpdate;
- wxCopyRECTToRect(r, rectUpdate);
+ wxToolBarTool * const
+ tool = static_cast<wxToolBarTool *>(node->GetData());
- dc.SetClippingRegion(rectUpdate);
-
- // draw the toolbar tools, separators &c normally
- wxControl::MSWWindowProc(WM_PAINT, wParam, lParam);
-
- // for each control in the toolbar find all the separators intersecting it
- // and erase them
- //
- // NB: this is really the only way to do it as we don't know if a separator
- // corresponds to a control (i.e. is a dummy one) or a real one
- // otherwise
- for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
- {
- wxToolBarTool *tool = (wxToolBarTool*)node->GetData();
- if ( tool->IsControl() )
+ if ( tool->IsControl() || tool->IsStretchableSpace() )
{
- // get the control rect in our client coords
- wxControl *control = tool->GetControl();
- wxStaticText *staticText = tool->GetStaticText();
- wxRect rectCtrl = control->GetRect();
- wxRect rectStaticText(0,0,0,0);
- if ( staticText )
+ const size_t numSeps = tool->GetSeparatorsCount();
+ for ( size_t n = 0; n < numSeps; n++, toolIndex++ )
{
- rectStaticText = staticText->GetRect();
+ // for some reason TB_GETITEMRECT returns a rectangle 1 pixel
+ // shorter than the full window size (at least under Windows 7)
+ // but we need to erase the full width/height below
+ RECT rcItem = wxGetTBItemRect(GetHwnd(), toolIndex);
+ if ( IsVertical() )
+ {
+ rcItem.left = 0;
+ rcItem.right = rectTotal.width;
+ }
+ else
+ {
+ rcItem.top = 0;
+ rcItem.bottom = rectTotal.height;
+ }
+
+ rgnDummySeps.Union(wxRectFromRECT(rcItem));
}
+ }
+ else
+ {
+ // normal tools never correspond to more than one native button
+ toolIndex++;
+ }
+ }
- // iterate over all buttons
- TBBUTTON tbb;
- int count = ::SendMessage(GetHwnd(), TB_BUTTONCOUNT, 0, 0);
- for ( int n = 0; n < count; n++ )
- {
- // is it a separator?
- if ( !::SendMessage(GetHwnd(), TB_GETBUTTON,
- n, (LPARAM)&tbb) )
- {
- wxLogDebug(_T("TB_GETBUTTON failed?"));
+ if ( rgnDummySeps.IsOk() )
+ {
+ // exclude the area occupied by the controls and stretchable spaces
+ // from the update region to prevent the toolbar from drawing
+ // separators in it
+ if ( !::ValidateRgn(GetHwnd(), GetHrgnOf(rgnDummySeps)) )
+ {
+ wxLogLastError(wxT("ValidateRgn()"));
+ }
+ }
- continue;
- }
+ // still let the native control draw everything else normally but set up a
+ // hook to be able to process the next WM_ERASEBKGND sent to our parent
+ // because toolbar will ask it to erase its background from its WM_PAINT
+ // handler (when using TBSTYLE_TRANSPARENT which we do always use)
+ //
+ // installing hook is not completely trivial as all kinds of strange
+ // situations are possible: sometimes we can be called recursively from
+ // inside the native toolbar WM_PAINT handler so the hook might already be
+ // installed and sometimes the native toolbar might not send WM_ERASEBKGND
+ // to the parent at all for whatever reason, so deal with all these cases
+ wxWindow * const parent = GetParent();
+ const bool hadHook = parent->MSWHasEraseBgHook();
+ if ( !hadHook )
+ GetParent()->MSWSetEraseBgHook(this);
- if ( tbb.fsStyle != TBSTYLE_SEP )
- continue;
+ MSWDefWindowProc(WM_PAINT, wParam, lParam);
- // get the bounding rect of the separator
- RECT r = wxGetTBItemRect(GetHwnd(), n);
- if ( !r.right )
- continue;
+ if ( !hadHook )
+ GetParent()->MSWSetEraseBgHook(NULL);
- // does it intersect the control?
- wxRect rectItem;
- wxCopyRECTToRect(r, rectItem);
- if ( rectCtrl.Intersects(rectItem) || (staticText && rectStaticText.Intersects(rectItem)))
- {
- // yes, do erase it!
- bool haveRefreshed = false;
+ if ( rgnDummySeps.IsOk() )
+ {
+ // erase the dummy separators region ourselves now as nobody painted
+ // over them
+ WindowHDC hdc(GetHwnd());
+ ::SelectClipRgn(hdc, GetHrgnOf(rgnDummySeps));
+ MSWDoEraseBackground(hdc);
+ }
-#if wxUSE_UXTHEME
- if ( !UseBgCol() && !GetParent()->UseBgCol() )
- {
- // Don't use DrawThemeBackground
- }
- else if ( !UseBgCol() && majorVersion >= 6 )
- {
- wxUxThemeEngine *theme = wxUxThemeEngine::GetIfActive();
- if ( theme )
- {
- wxUxThemeHandle hTheme(this, L"REBAR");
+ return true;
+}
- RECT clipRect = r;
+WXHBRUSH wxToolBar::MSWGetToolbarBgBrush()
+{
+ // we conservatively use a solid brush here but we could also use a themed
+ // brush by using DrawThemeBackground() to create a bitmap brush (it'd need
+ // to be invalidated whenever the toolbar is resized and, also, correctly
+ // aligned using SetBrushOrgEx() before each use -- there is code for doing
+ // this in wxNotebook already so it'd need to be refactored into wxWindow)
+ //
+ // however inasmuch as there is a default background for the toolbar at all
+ // (and this is not a trivial question as different applications use very
+ // different colours), it seems to be a solid one and using REBAR
+ // background brush as we used to do before doesn't look good at all under
+ // Windows 7 (and probably Vista too), so for now we just keep it simple
+ wxColour const
+ colBg = m_hasBgCol ? GetBackgroundColour()
+ : wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+ wxBrush * const
+ brush = wxTheBrushList->FindOrCreateBrush(colBg);
+
+ return brush ? static_cast<WXHBRUSH>(brush->GetResourceHandle()) : 0;
+}
- // Draw the whole background since the pattern may be position sensitive;
- // but clip it to the area of interest.
- r.left = 0;
- r.right = clientSize.x;
- r.top = 0;
- r.bottom = clientSize.y;
+WXHBRUSH wxToolBar::MSWGetBgBrushForChild(WXHDC hDC, wxWindowMSW *child)
+{
+ WXHBRUSH hbr = wxToolBarBase::MSWGetBgBrushForChild(hDC, child);
+ if ( hbr )
+ return hbr;
- wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
- HRESULT hr = theme->DrawThemeBackground(hTheme, GetHdcOf(*impl), 0, 0, & r, & clipRect);
- if ( hr == S_OK )
- haveRefreshed = true;
- }
- }
-#endif // wxUSE_UXTHEME
+ // the base class version only returns a brush for erasing children
+ // background if we have a non-default background colour but as the toolbar
+ // doesn't erase its own background by default, we need to always do it for
+ // (semi-)transparent children
+ if ( child->GetParent() == this && child->HasTransparentBackground() )
+ return MSWGetToolbarBgBrush();
- if (!haveRefreshed)
- dc.DrawRectangle(rectItem);
- }
+ return 0;
+}
- if ( rectCtrl.Intersects(rectItem) )
- {
- // Necessary in case we use a no-paint-on-size
- // style in the parent: the controls can disappear
- control->Refresh(false);
- }
+void wxToolBar::MSWDoEraseBackground(WXHDC hDC)
+{
+ wxFillRect(GetHwnd(), (HDC)hDC, (HBRUSH)MSWGetToolbarBgBrush());
+}
- if ( staticText && rectStaticText.Intersects(rectItem) )
- {
- // Necessary in case we use a no-paint-on-size
- // style in the parent: the controls can disappear
- staticText->Refresh(false);
- }
- }
- }
+bool wxToolBar::MSWEraseBgHook(WXHDC hDC)
+{
+ // toolbar WM_PAINT handler offsets the DC origin before sending
+ // WM_ERASEBKGND to the parent but as we handle it in the toolbar itself,
+ // we need to reset it back
+ HDC hdc = (HDC)hDC;
+ POINT ptOldOrg;
+ if ( !::SetWindowOrgEx(hdc, 0, 0, &ptOldOrg) )
+ {
+ wxLogLastError(wxT("SetWindowOrgEx(tbar-bg-hdc)"));
+ return false;
}
+ MSWDoEraseBackground(hDC);
+
+ ::SetWindowOrgEx(hdc, ptOldOrg.x, ptOldOrg.y, NULL);
+
return true;
}
-#endif // __WXWINCE__
+
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
void wxToolBar::HandleMouseMove(WXWPARAM WXUNUSED(wParam), WXLPARAM lParam)
{
return 0;
break;
-#ifndef __WXWINCE__
+#ifdef wxHAS_MSW_BACKGROUND_ERASE_HOOK
case WM_PAINT:
// refreshing the controls in the toolbar inside a composite window
// results in an endless stream of WM_PAINT messages -- and seems
if ( !IsDoubleBuffered() && HandlePaint(wParam, lParam) )
return 0;
break;
-#endif // __WXWINCE__
+#endif // wxHAS_MSW_BACKGROUND_ERASE_HOOK
}
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
if ( !hdcMem )
{
- wxLogLastError(_T("CreateCompatibleDC"));
+ wxLogLastError(wxT("CreateCompatibleDC"));
return bitmap;
}
if ( !bmpInHDC )
{
- wxLogLastError(_T("SelectObject"));
+ wxLogLastError(wxT("SelectObject"));
return bitmap;
}
projects / wxWidgets.git / blobdiff