void GraphicsWindowWX::grabFocusIfPointerInWindow()
{
// focus this window, if the pointer is in the window
wxPoint pos = wxGetMousePosition();
if( wxFindWindowAtPoint( pos ) == _canvas )
_canvas->SetFocus();
}
wxTopLevelWindow *ScreenshotCommand::GetFrontWindow(AudacityProject *project)
{
wxWindow *front = NULL;
wxWindow *proj = wxGetTopLevelParent(project);
// This is kind of an odd hack. There's no method to enumerate all
// possible windows, so we search the whole screen for any windows
// that are not this one and not the given Audacity project and
// if we find anything, we assume that's the dialog the user wants
// to capture.
int width, height, x, y;
wxDisplaySize(&width, &height);
for (x = 0; x < width; x += 50) {
for (y = 0; y < height; y += 50) {
wxWindow *win = wxFindWindowAtPoint(wxPoint(x, y));
if (win) {
win = wxGetTopLevelParent(win);
if (win != mIgnore && win != proj) {
front = win;
break;
}
}
}
}
if (!front || !front->IsTopLevel()) {
return (wxTopLevelWindow *)proj;
}
return (wxTopLevelWindow *)front;
}
void wxPopupTransientWindow::OnIdle(wxIdleEvent& event)
{
event.Skip();
if (IsShown() && m_child)
{
// Store the last mouse position to minimize the number of calls to
// wxFindWindowAtPoint() which are quite expensive.
static wxPoint s_posLast;
const wxPoint pos = wxGetMousePosition();
if ( pos != s_posLast )
{
s_posLast = pos;
wxWindow* const winUnderMouse = wxFindWindowAtPoint(pos);
// We release the mouse capture while the mouse is inside the popup
// itself to allow using it normally with the controls inside it.
if ( wxGetTopLevelParent(winUnderMouse) == this )
{
if ( m_child->HasCapture() )
{
m_child->ReleaseMouse();
}
}
else // And we reacquire it as soon as the mouse goes outside.
{
if ( !m_child->HasCapture() )
{
m_child->CaptureMouse();
}
}
}
}
}
// Try to find the deepest child that contains 'pt'.
// We go backwards, to try to allow for controls that are spacially
// within other controls, but are still siblings (e.g. buttons within
// static boxes). Static boxes are likely to be created _before_ controls
// that sit inside them.
wxWindow* wxFindWindowAtPoint(wxWindow* win, const wxPoint& pt)
{
if (!win->IsShown())
return NULL;
// Hack for wxNotebook case: at least in wxGTK, all pages
// claim to be shown, so we must only deal with the selected one.
#if wxUSE_NOTEBOOK
if (win->IsKindOf(CLASSINFO(wxNotebook)))
{
wxNotebook* nb = (wxNotebook*) win;
int sel = nb->GetSelection();
if (sel >= 0)
{
wxWindow* child = nb->GetPage(sel);
wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
if (foundWin)
return foundWin;
}
}
#endif
wxWindowList::compatibility_iterator node = win->GetChildren().GetLast();
while (node)
{
wxWindow* child = node->GetData();
wxWindow* foundWin = wxFindWindowAtPoint(child, pt);
if (foundWin)
return foundWin;
node = node->GetPrevious();
}
wxPoint pos = win->GetPosition();
wxSize sz = win->GetSize();
if ( !win->IsTopLevel() && win->GetParent() )
{
pos = win->GetParent()->ClientToScreen(pos);
}
wxRect rect(pos, sz);
if (rect.Contains(pt))
return win;
return NULL;
}
bool ForwardMouseWheelEvent(wxWindow *source, wxMouseEvent &evt) {
wxWindow *target = wxFindWindowAtPoint(wxGetMousePosition());
if (!target || target == source) return true;
// If the mouse is over a parent of the source window just pretend it's
// over the source window, so that the mouse wheel works on borders and such
wxWindow *parent = source->GetParent();
while (parent && parent != target) parent = parent->GetParent();
if (parent == target) return true;
// Otherwise send it to the new target
target->GetEventHandler()->ProcessEvent(evt);
evt.Skip(false);
return false;
}
wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt)
{
// Go backwards through the list since windows
// on top are likely to have been appended most
// recently.
wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetLast();
while (node)
{
wxWindow* win = node->GetData();
wxWindow* found = wxFindWindowAtPoint(win, pt);
if (found)
return found;
node = node->GetPrevious();
}
return NULL;
}
wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
{
#if wxOSX_USE_CARBON
Point screenPoint = { pt.y , pt.x };
WindowRef windowRef;
if ( FindWindow( screenPoint , &windowRef ) )
{
wxNonOwnedWindow *nonOwned = wxNonOwnedWindow::GetFromWXWindow( windowRef );
if ( nonOwned )
return wxFindWindowAtPoint( nonOwned , pt );
}
return NULL;
#else
return wxGenericFindWindowAtPoint( pt );
#endif
}
// Find the wxWindow at the current mouse position, returning the mouse
// position.
wxWindow* wxFindWindowAtPointer(wxPoint& pt)
{
return wxFindWindowAtPoint(pt = wxGetMousePosition());
}
bool wxCheckBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item;
if ( !IsOwnerDrawn() || dis->CtlType != ODT_BUTTON )
return wxCheckBoxBase::MSWOnDraw(item);
// calculate the rectangles for the check mark itself and the label
HDC hdc = dis->hDC;
RECT& rect = dis->rcItem;
RECT rectCheck,
rectLabel;
rectCheck.top =
rectLabel.top = rect.top;
rectCheck.bottom =
rectLabel.bottom = rect.bottom;
const int checkSize = GetBestSize().y;
const int MARGIN = 3;
const bool isRightAligned = HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectCheck.right = rect.right;
rectCheck.left = rectCheck.right - checkSize;
rectLabel.right = rectCheck.left - MARGIN;
rectLabel.left = rect.left;
}
else // normal, left-aligned checkbox
{
rectCheck.left = rect.left;
rectCheck.right = rectCheck.left + checkSize;
rectLabel.left = rectCheck.right + MARGIN;
rectLabel.right = rect.right;
}
// show we draw a focus rect?
const bool isFocused = m_isPressed || FindFocus() == this;
// draw the checkbox itself: note that this should really, really be in
// wxRendererNative but unfortunately we can't add a new virtual function
// to it without breaking backwards compatibility
// classic Win32 version -- this can be useful when we move this into
// wxRendererNative
#if defined(__WXWINCE__) || !wxUSE_UXTHEME
UINT state = DFCS_BUTTONCHECK;
if ( !IsEnabled() )
state |= DFCS_INACTIVE;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
state |= DFCS_CHECKED;
break;
case wxCHK_UNDETERMINED:
state |= DFCS_PUSHED;
break;
default:
wxFAIL_MSG( _T("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
// no extra styles needed
break;
}
if ( wxFindWindowAtPoint(wxGetMousePosition()) == this )
state |= DFCS_HOT;
if ( !::DrawFrameControl(hdc, &rectCheck, DFC_BUTTON, state) )
{
wxLogLastError(_T("DrawFrameControl(DFC_BUTTON)"));
}
#else // XP version
wxUxThemeEngine *themeEngine = wxUxThemeEngine::GetIfActive();
if ( !themeEngine )
return false;
wxUxThemeHandle theme(this, L"BUTTON");
if ( !theme )
return false;
int state;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
state = CBS_CHECKEDNORMAL;
break;
case wxCHK_UNDETERMINED:
state = CBS_MIXEDNORMAL;
break;
default:
wxFAIL_MSG( _T("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
state = CBS_UNCHECKEDNORMAL;
break;
}
if ( !IsEnabled() )
state += CBS_DISABLED_OFFSET;
else if ( m_isPressed )
state += CBS_PRESSED_OFFSET;
else if ( m_isHot )
state += CBS_HOT_OFFSET;
HRESULT hr = themeEngine->DrawThemeBackground
(
theme,
hdc,
BP_CHECKBOX,
state,
&rectCheck,
NULL
);
if ( FAILED(hr) )
{
wxLogApiError(_T("DrawThemeBackground(BP_CHECKBOX)"), hr);
}
#endif // 0/1
// draw the text
const wxString& label = GetLabel();
// first we need to measure it
UINT fmt = DT_NOCLIP;
// drawing underlying doesn't look well with focus rect (and the native
// control doesn't do it)
if ( isFocused )
fmt |= DT_HIDEPREFIX;
if ( isRightAligned )
fmt |= DT_RIGHT;
// TODO: also use DT_HIDEPREFIX if the system is configured so
// we need to get the label real size first if we have to draw a focus rect
// around it
if ( isFocused )
{
if ( !::DrawText(hdc, label, label.length(), &rectLabel,
fmt | DT_CALCRECT) )
{
wxLogLastError(_T("DrawText(DT_CALCRECT)"));
}
}
if ( !IsEnabled() )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
}
if ( !::DrawText(hdc, label, label.length(), &rectLabel, fmt) )
{
wxLogLastError(_T("DrawText()"));
}
// finally draw the focus
if ( isFocused )
{
rectLabel.left--;
rectLabel.right++;
if ( !::DrawFocusRect(hdc, &rectLabel) )
{
wxLogLastError(_T("DrawFocusRect()"));
}
}
return true;
}
bool wxCheckBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item;
if ( !IsOwnerDrawn() || dis->CtlType != ODT_BUTTON )
return wxCheckBoxBase::MSWOnDraw(item);
// calculate the rectangles for the check mark itself and the label
HDC hdc = dis->hDC;
RECT& rect = dis->rcItem;
RECT rectCheck,
rectLabel;
rectLabel.top = rect.top + (rect.bottom - rect.top - GetBestSize().y) / 2;
rectLabel.bottom = rectLabel.top + GetBestSize().y;
const int MARGIN = 3;
const int CXMENUCHECK = ::GetSystemMetrics(SM_CXMENUCHECK);
// the space between the checkbox and the label is included in the
// check-mark bitmap
const int checkSize = wxMin(CXMENUCHECK - MARGIN, GetSize().y);
rectCheck.top = rect.top + (rect.bottom - rect.top - checkSize) / 2;
rectCheck.bottom = rectCheck.top + checkSize;
const bool isRightAligned = HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectLabel.right = rect.right - CXMENUCHECK;
rectLabel.left = rect.left;
rectCheck.left = rectLabel.right + ( CXMENUCHECK + MARGIN - checkSize ) / 2;
rectCheck.right = rectCheck.left + checkSize;
}
else // normal, left-aligned checkbox
{
rectCheck.left = rect.left + ( CXMENUCHECK - MARGIN - checkSize ) / 2;
rectCheck.right = rectCheck.left + checkSize;
rectLabel.left = rect.left + CXMENUCHECK;
rectLabel.right = rect.right;
}
// shall we draw a focus rect?
const bool isFocused = m_isPressed || FindFocus() == this;
// draw the checkbox itself
wxDCTemp dc(hdc);
int flags = 0;
if ( !IsEnabled() )
flags |= wxCONTROL_DISABLED;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
flags |= wxCONTROL_CHECKED;
break;
case wxCHK_UNDETERMINED:
flags |= wxCONTROL_PRESSED;
break;
default:
wxFAIL_MSG( wxT("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
// no extra styles needed
break;
}
if ( wxFindWindowAtPoint(wxGetMousePosition()) == this )
flags |= wxCONTROL_CURRENT;
wxRendererNative::Get().
DrawCheckBox(this, dc, wxRectFromRECT(rectCheck), flags);
// draw the text
const wxString& label = GetLabel();
// first we need to measure it
UINT fmt = DT_NOCLIP;
// drawing underlying doesn't look well with focus rect (and the native
// control doesn't do it)
if ( isFocused )
fmt |= DT_HIDEPREFIX;
if ( isRightAligned )
fmt |= DT_RIGHT;
// TODO: also use DT_HIDEPREFIX if the system is configured so
// we need to get the label real size first if we have to draw a focus rect
// around it
if ( isFocused )
{
RECT oldLabelRect = rectLabel; // needed if right aligned
if ( !::DrawText(hdc, label.t_str(), label.length(), &rectLabel,
fmt | DT_CALCRECT) )
{
wxLogLastError(wxT("DrawText(DT_CALCRECT)"));
}
if ( isRightAligned )
{
// move the label rect to the right
const int labelWidth = rectLabel.right - rectLabel.left;
rectLabel.right = oldLabelRect.right;
rectLabel.left = rectLabel.right - labelWidth;
}
}
if ( !IsEnabled() )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
}
if ( !::DrawText(hdc, label.t_str(), label.length(), &rectLabel, fmt) )
{
wxLogLastError(wxT("DrawText()"));
}
// finally draw the focus
if ( isFocused )
{
rectLabel.left--;
rectLabel.right++;
if ( !::DrawFocusRect(hdc, &rectLabel) )
{
wxLogLastError(wxT("DrawFocusRect()"));
}
}
return true;
}
wxWindow * bmx_wxfindwindowatpoint(int x, int y) {
return wxFindWindowAtPoint(wxPoint(x, y));
}
bool gcCheckBox::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item;
if ( !IsOwnerDrawn() || dis->CtlType != ODT_BUTTON )
return wxCheckBoxBase::MSWOnDraw(item);
// calculate the rectangles for the check mark itself and the label
HDC hdc = dis->hDC;
RECT& rect = dis->rcItem;
RECT rectCheck,
rectLabel;
rectCheck.top =
rectLabel.top = rect.top;
rectCheck.bottom =
rectLabel.bottom = rect.bottom;
const int checkSize = GetBestSize().y;
const int MARGIN = 3;
const bool isRightAligned = HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectCheck.right = rect.right;
rectCheck.left = rectCheck.right - checkSize;
rectLabel.right = rectCheck.left - MARGIN;
rectLabel.left = rect.left;
}
else // normal, left-aligned checkbox
{
rectCheck.left = rect.left;
rectCheck.right = rectCheck.left + checkSize;
rectLabel.left = rectCheck.right + MARGIN;
rectLabel.right = rect.right;
}
// show we draw a focus rect?
const bool isFocused = IsChecked() || FindFocus() == this;
// draw the checkbox itself
wxDCTemp dc(hdc);
int flags = 0;
if ( !IsEnabled() )
flags |= wxCONTROL_DISABLED;
switch ( Get3StateValue() )
{
case wxCHK_CHECKED:
flags |= wxCONTROL_CHECKED;
break;
case wxCHK_UNDETERMINED:
flags |= wxCONTROL_PRESSED;
break;
default:
wxFAIL_MSG( _T("unexpected Get3StateValue() return value") );
// fall through
case wxCHK_UNCHECKED:
// no extra styles needed
break;
}
if ( wxFindWindowAtPoint(wxGetMousePosition()) == this )
flags |= wxCONTROL_CURRENT;
wxRendererNative::Get().
DrawCheckBox(this, dc, wxRectFromRECT(rectCheck), flags);
// draw the text
const wxString& label = GetLabel();
// first we need to measure it
UINT fmt = DT_NOCLIP;
// drawing underlying doesn't look well with focus rect (and the native
// control doesn't do it)
if ( isFocused )
fmt |= DT_HIDEPREFIX;
if ( isRightAligned )
fmt |= DT_RIGHT;
// TODO: also use DT_HIDEPREFIX if the system is configured so
// we need to get the label real size first if we have to draw a focus rect
// around it
if ( isFocused )
{
if ( !::DrawText(hdc, label.wx_str(), label.length(), &rectLabel,
fmt | DT_CALCRECT) )
{
wxLogLastError(_T("DrawText(DT_CALCRECT)"));
}
}
if ( !IsEnabled() )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
}
if ( !::DrawText(hdc, label.wx_str(), label.length(), &rectLabel, fmt) )
{
wxLogLastError(_T("DrawText()"));
}
//// finally draw the focus
if ( isFocused )
{
COLORREF colBg = wxColourToRGB(wxColor(GetGCThemeManager()->getColor("checkbox", "focus-fg")));
HBRUSH hbrush = ::CreateSolidBrush(colBg);
rectLabel.left--;
rectLabel.right++;
::FrameRect(hdc, &rectLabel, hbrush);
::DeleteObject(hbrush);
}
return true;
}
void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
{
// let the window have it first (we're the first event handler in the chain
// of handlers for this window)
if ( m_popup->ProcessLeftDown(event) )
{
return;
}
wxPoint pos = event.GetPosition();
// in non-Univ ports the system manages scrollbars for us
#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
// scrollbar on which the click occurred
wxWindow *sbar = NULL;
#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
wxWindow *win = (wxWindow *)event.GetEventObject();
switch ( win->HitTest(pos.x, pos.y) )
{
case wxHT_WINDOW_OUTSIDE:
{
// do the coords translation now as after DismissAndNotify()
// m_popup may be destroyed
wxMouseEvent event2(event);
m_popup->ClientToScreen(&event2.m_x, &event2.m_y);
// clicking outside a popup dismisses it
m_popup->DismissAndNotify();
// dismissing a tooltip shouldn't waste a click, i.e. you
// should be able to dismiss it and press the button with the
// same click, so repost this event to the window beneath us
wxWindow *winUnder = wxFindWindowAtPoint(event2.GetPosition());
if ( winUnder )
{
// translate the event coords to the ones of the window
// which is going to get the event
winUnder->ScreenToClient(&event2.m_x, &event2.m_y);
event2.SetEventObject(winUnder);
wxPostEvent(winUnder->GetEventHandler(), event2);
}
}
break;
#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
case wxHT_WINDOW_HORZ_SCROLLBAR:
sbar = win->GetScrollbar(wxHORIZONTAL);
break;
case wxHT_WINDOW_VERT_SCROLLBAR:
sbar = win->GetScrollbar(wxVERTICAL);
break;
#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
default:
// forgot to update the switch after adding a new hit test code?
wxFAIL_MSG( wxT("unexpected HitTest() return value") );
wxFALLTHROUGH;
case wxHT_WINDOW_CORNER:
// don't actually know if this one is good for anything, but let it
// pass just in case
case wxHT_WINDOW_INSIDE:
// let the normal processing take place
event.Skip();
break;
}
#if defined(__WXUNIVERSAL__) && wxUSE_SCROLLBAR
if ( sbar )
{
// translate the event coordinates to the scrollbar ones
pos = sbar->ScreenToClient(win->ClientToScreen(pos));
// and give the event to it
wxMouseEvent event2 = event;
event2.m_x = pos.x;
event2.m_y = pos.y;
(void)sbar->GetEventHandler()->ProcessEvent(event2);
}
#endif // __WXUNIVERSAL__ && wxUSE_SCROLLBAR
}
bool wxMSWOwnerDrawnButtonBase::MSWDrawButton(WXDRAWITEMSTRUCT *item)
{
DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item;
if ( !MSWIsOwnerDrawn() || dis->CtlType != ODT_BUTTON )
return false;
// shall we draw a focus rect?
const bool isFocused = m_isPressed || m_win->HasFocus();
int flags = MSWGetButtonCheckedFlag();
if ( dis->itemState & ODS_SELECTED )
flags |= wxCONTROL_SELECTED | wxCONTROL_PRESSED;
if ( !m_win->IsEnabled() )
flags |= wxCONTROL_DISABLED;
if ( m_isPressed )
flags |= wxCONTROL_PRESSED;
if ( wxFindWindowAtPoint(wxGetMousePosition()) == m_win )
flags |= wxCONTROL_CURRENT;
// calculate the rectangles for the button itself and the label
HDC hdc = dis->hDC;
const RECT& rect = dis->rcItem;
// calculate the rectangles for the button itself and the label
const wxSize bestSize = m_win->GetBestSize();
RECT rectButton,
rectLabel;
rectLabel.top = rect.top + (rect.bottom - rect.top - bestSize.y) / 2;
rectLabel.bottom = rectLabel.top + bestSize.y;
// choose the values consistent with those used for native, non
// owner-drawn, buttons
static const int MARGIN = 3;
int CXMENUCHECK = ::GetSystemMetrics(SM_CXMENUCHECK) + 1;
// the buttons were even bigger under Windows XP
if ( wxGetWinVersion() < wxWinVersion_6 )
CXMENUCHECK += 2;
// The space between the button and the label
// is included in the button bitmap.
const int buttonSize = wxMin(CXMENUCHECK - MARGIN, m_win->GetSize().y);
rectButton.top = rect.top + (rect.bottom - rect.top - buttonSize) / 2;
rectButton.bottom = rectButton.top + buttonSize;
const bool isRightAligned = m_win->HasFlag(wxALIGN_RIGHT);
if ( isRightAligned )
{
rectLabel.right = rect.right - CXMENUCHECK;
rectLabel.left = rect.left;
rectButton.left = rectLabel.right + ( CXMENUCHECK + MARGIN - buttonSize ) / 2;
rectButton.right = rectButton.left + buttonSize;
}
else // normal, left-aligned button
{
rectButton.left = rect.left + ( CXMENUCHECK - MARGIN - buttonSize ) / 2;
rectButton.right = rectButton.left + buttonSize;
rectLabel.left = rect.left + CXMENUCHECK;
rectLabel.right = rect.right;
}
// Erase the background.
::FillRect(hdc, &rect, m_win->MSWGetBgBrush(hdc));
// draw the button itself
wxDCTemp dc(hdc);
MSWDrawButtonBitmap(dc, wxRectFromRECT(rectButton), flags);
// draw the text
const wxString& label = m_win->GetLabel();
// first we need to measure it
UINT fmt = DT_NOCLIP;
// drawing underlying doesn't look well with focus rect (and the native
// control doesn't do it)
if ( isFocused )
fmt |= DT_HIDEPREFIX;
if ( isRightAligned )
fmt |= DT_RIGHT;
// TODO: also use DT_HIDEPREFIX if the system is configured so
// we need to get the label real size first if we have to draw a focus rect
// around it
if ( isFocused )
{
RECT oldLabelRect = rectLabel; // needed if right aligned
if ( !::DrawText(hdc, label.t_str(), label.length(), &rectLabel,
fmt | DT_CALCRECT) )
{
wxLogLastError(wxT("DrawText(DT_CALCRECT)"));
}
if ( isRightAligned )
{
// move the label rect to the right
const int labelWidth = rectLabel.right - rectLabel.left;
rectLabel.right = oldLabelRect.right;
rectLabel.left = rectLabel.right - labelWidth;
}
}
if ( flags & wxCONTROL_DISABLED )
{
::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
}
if ( !::DrawText(hdc, label.t_str(), label.length(), &rectLabel, fmt) )
{
wxLogLastError(wxT("DrawText()"));
}
// finally draw the focus
if ( isFocused )
{
rectLabel.left--;
rectLabel.right++;
if ( !::DrawFocusRect(hdc, &rectLabel) )
{
wxLogLastError(wxT("DrawFocusRect()"));
}
}
return true;
}
