X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ef344ff86223f1f0961f025c0b249c898529c095..10207b728dcc7e3dbb8acaf70cfb2d0cecbc78b2:/src/mgl/window.cpp diff --git a/src/mgl/window.cpp b/src/mgl/window.cpp index 13556e8edf..dac506d518 100644 --- a/src/mgl/window.cpp +++ b/src/mgl/window.cpp @@ -63,13 +63,15 @@ winmng_t *g_winMng = NULL; MGLDevCtx *g_displayDC = NULL; -extern wxList WXDLLEXPORT wxPendingDelete; - // FIXME_MGL -- ??? - -// the window that has keyboard+joystick focus: -static wxWindowMGL *g_focusedWindow = NULL; +// the window that has keyboard focus: +static wxWindowMGL *gs_focusedWindow = NULL; // the window that is currently under mouse cursor: -static wxWindowMGL *g_windowUnderMouse = NULL; +static wxWindowMGL *gs_windowUnderMouse = NULL; +// the window that has mouse capture +static wxWindowMGL *gs_mouseCapture = NULL; +// the frame that is currently active (i.e. its child has focus). It is +// used to generate wxActivateEvents +static wxWindowMGL *gs_activeFrame = NULL; // --------------------------------------------------------------------------- // constants @@ -162,6 +164,30 @@ void wxDestroyMGL_WM() } } +// Returns toplevel grandparent of given window: +static wxWindowMGL* wxGetTopLevelParent(wxWindowMGL *win) +{ + wxWindowMGL *p = win; + while (p && !p->IsTopLevel()) + p = p->GetParent(); + return p; +} + +#ifdef __WXDEBUG__ +// Add an easy way to capture screenshots: +static void CaptureScreenshot() +{ + wxBusyCursor bcur; + + static int screenshot_num = 0; + char screenshot[128]; + sprintf(screenshot, "screenshot-%03i.png", screenshot_num++); + g_displayDC->savePNGFromDC(screenshot, 0, 0, + g_displayDC->sizex(), + g_displayDC->sizey()); +} +#endif + // --------------------------------------------------------------------------- // MGL_WM hooks: // --------------------------------------------------------------------------- @@ -169,7 +195,8 @@ void wxDestroyMGL_WM() static void wxWindowPainter(window_t *wnd, MGLDC *dc) { wxWindowMGL *w = (wxWindow*) wnd->userData; - if (w) + + if ( w && !(w->GetWindowStyle() & wxTRANSPARENT_WINDOW) ) { MGLDevCtx ctx(dc); w->HandlePaint(&ctx); @@ -181,7 +208,18 @@ static void wxWindowPainter(window_t *wnd, MGLDC *dc) static ibool wxWindowMouseHandler(window_t *wnd, event_t *e) { wxWindowMGL *win = (wxWindowMGL*)MGL_wmGetWindowUserData(wnd); - wxPoint where = win->ScreenToClient(wxPoint(e->where_x, e->where_y)); + wxPoint where; + + MGL_wmCoordGlobalToLocal(win->GetHandle(), + e->where_x, e->where_y, &where.x, &where.y); + + for (wxWindowMGL *w = win; w; w = w->GetParent()) + { + if ( !w->IsEnabled() ) + return FALSE; + if ( w->IsTopLevel() ) + break; + } wxEventType type = wxEVT_NULL; wxMouseEvent event; @@ -221,25 +259,44 @@ static ibool wxWindowMouseHandler(window_t *wnd, event_t *e) break; case EVT_MOUSEMOVE: - if ( win != g_windowUnderMouse ) + if ( !gs_mouseCapture ) { - if ( g_windowUnderMouse ) + if ( win != gs_windowUnderMouse ) { - wxMouseEvent event2(event); - wxPoint where2 = g_windowUnderMouse->ScreenToClient( - wxPoint(e->where_x, e->where_y)); - event2.m_x = where2.x; - event2.m_y = where2.y; - event2.SetEventObject(g_windowUnderMouse); - event2.SetEventType(wxEVT_LEAVE_WINDOW); - g_windowUnderMouse->GetEventHandler()->ProcessEvent(event2); + if ( gs_windowUnderMouse ) + { + wxMouseEvent event2(event); + MGL_wmCoordGlobalToLocal(gs_windowUnderMouse->GetHandle(), + e->where_x, e->where_y, + &event2.m_x, &event2.m_y); + + event2.SetEventObject(gs_windowUnderMouse); + event2.SetEventType(wxEVT_LEAVE_WINDOW); + gs_windowUnderMouse->GetEventHandler()->ProcessEvent(event2); + } + + wxMouseEvent event3(event); + event3.SetEventType(wxEVT_ENTER_WINDOW); + win->GetEventHandler()->ProcessEvent(event3); + + gs_windowUnderMouse = win; + } + } + else // gs_mouseCapture + { + bool inside = (where.x >= 0 && + where.y >= 0 && + where.x < win->GetSize().x && + where.y < win->GetSize().y); + if ( (inside && gs_windowUnderMouse != win) || + (!inside && gs_windowUnderMouse == win) ) + { + wxMouseEvent evt(inside ? + wxEVT_ENTER_WINDOW : wxEVT_LEAVE_WINDOW); + evt.SetEventObject(win); + win->GetEventHandler()->ProcessEvent(evt); + gs_windowUnderMouse = inside ? win : NULL; } - - wxMouseEvent event3(event); - event3.SetEventType(wxEVT_ENTER_WINDOW); - win->GetEventHandler()->ProcessEvent(event3); - - g_windowUnderMouse = win; } type = wxEVT_MOTION; @@ -260,16 +317,209 @@ static ibool wxWindowMouseHandler(window_t *wnd, event_t *e) } } -static ibool wxWindowKeybHandler(window_t *wnd, event_t *e) +static long wxScanToKeyCode(event_t *event) { - // FIXME_MGL - return FALSE; + #define KEY(mgl,wx) case mgl: key = wx; break; + + long key = 0; + switch ( EVT_scanCode(event->message) ) + { + KEY (KB_padEnter, WXK_NUMPAD_ENTER) + KEY (KB_padMinus, WXK_NUMPAD_SUBTRACT) + KEY (KB_padPlus, WXK_NUMPAD_ADD) + KEY (KB_padTimes, WXK_NUMPAD_MULTIPLY) + KEY (KB_padDivide, WXK_NUMPAD_DIVIDE) + KEY (KB_padLeft, WXK_NUMPAD_LEFT) + KEY (KB_padRight, WXK_NUMPAD_RIGHT) + KEY (KB_padUp, WXK_NUMPAD_UP) + KEY (KB_padDown, WXK_NUMPAD_DOWN) + KEY (KB_padInsert, WXK_NUMPAD_INSERT) + KEY (KB_padDelete, WXK_NUMPAD_DELETE) + KEY (KB_padHome, WXK_NUMPAD_HOME) + KEY (KB_padEnd, WXK_NUMPAD_END) + KEY (KB_padPageUp, WXK_NUMPAD_PAGEUP) + //KEY (KB_padPageUp, WXK_NUMPAD_PRIOR) + KEY (KB_padPageDown, WXK_NUMPAD_PAGEDOWN) + //KEY (KB_padPageDown, WXK_NUMPAD_NEXT) + KEY (KB_padCenter, WXK_NUMPAD_SEPARATOR) // ? + KEY (KB_F1, WXK_F1) + KEY (KB_F2, WXK_F2) + KEY (KB_F3, WXK_F3) + KEY (KB_F4, WXK_F4) + KEY (KB_F5, WXK_F5) + KEY (KB_F6, WXK_F6) + KEY (KB_F7, WXK_F7) + KEY (KB_F8, WXK_F8) + KEY (KB_F9, WXK_F9) + KEY (KB_F10, WXK_F10) + KEY (KB_F11, WXK_F11) + KEY (KB_F12, WXK_F12) + KEY (KB_left, WXK_LEFT) + KEY (KB_right, WXK_RIGHT) + KEY (KB_up, WXK_UP) + KEY (KB_down, WXK_DOWN) + KEY (KB_insert, WXK_INSERT) + KEY (KB_delete, WXK_DELETE) + KEY (KB_home, WXK_HOME) + KEY (KB_end, WXK_END) + KEY (KB_pageUp, WXK_PAGEUP) + KEY (KB_pageDown, WXK_PAGEDOWN) + KEY (KB_capsLock, WXK_CAPITAL) + KEY (KB_numLock, WXK_NUMLOCK) + KEY (KB_scrollLock, WXK_SCROLL) + KEY (KB_leftShift, WXK_SHIFT) + KEY (KB_rightShift, WXK_SHIFT) + KEY (KB_leftCtrl, WXK_CONTROL) + KEY (KB_rightCtrl, WXK_CONTROL) + KEY (KB_leftAlt, WXK_ALT) + KEY (KB_rightAlt, WXK_ALT) + KEY (KB_leftWindows, WXK_START) + KEY (KB_rightWindows, WXK_START) + KEY (KB_menu, WXK_MENU) + KEY (KB_sysReq, WXK_SNAPSHOT) + KEY (KB_esc, WXK_ESCAPE) + KEY (KB_1, '1') + KEY (KB_2, '2') + KEY (KB_3, '3') + KEY (KB_4, '4') + KEY (KB_5, '5') + KEY (KB_6, '6') + KEY (KB_7, '7') + KEY (KB_8, '8') + KEY (KB_9, '9') + KEY (KB_0, '0') + KEY (KB_minus, WXK_SUBTRACT) + KEY (KB_equals, WXK_ADD) + KEY (KB_backSlash, '\\') + KEY (KB_backspace, WXK_BACK) + KEY (KB_tab, WXK_TAB) + KEY (KB_Q, 'Q') + KEY (KB_W, 'W') + KEY (KB_E, 'E') + KEY (KB_R, 'R') + KEY (KB_T, 'T') + KEY (KB_Y, 'Y') + KEY (KB_U, 'U') + KEY (KB_I, 'I') + KEY (KB_O, 'O') + KEY (KB_P, 'P') + KEY (KB_leftSquareBrace,'[') + KEY (KB_rightSquareBrace,']') + KEY (KB_enter, WXK_RETURN) + KEY (KB_A, 'A') + KEY (KB_S, 'S') + KEY (KB_D, 'D') + KEY (KB_F, 'F') + KEY (KB_G, 'G') + KEY (KB_H, 'H') + KEY (KB_J, 'J') + KEY (KB_K, 'K') + KEY (KB_L, 'L') + KEY (KB_semicolon, ';') + KEY (KB_apostrophe, '\'') + KEY (KB_Z, 'Z') + KEY (KB_X, 'X') + KEY (KB_C, 'C') + KEY (KB_V, 'V') + KEY (KB_B, 'B') + KEY (KB_N, 'N') + KEY (KB_M, 'M') + KEY (KB_comma, ',') + KEY (KB_period, '.') + KEY (KB_divide, WXK_DIVIDE) + KEY (KB_space, WXK_SPACE) + KEY (KB_tilde, '~') + + default: + key = EVT_asciiCode(event->message); + break; + } + + #undef KEY + + return key; } -static ibool wxWindowJoyHandler(window_t *wnd, event_t *e) +static long wxAsciiToKeyCode(event_t *event) { - // FIXME_MGL - return FALSE; + return (long)EVT_asciiCode(event->message); +} + +static ibool wxWindowKeybHandler(window_t *wnd, event_t *e) +{ + wxWindowMGL *win = (wxWindowMGL*)MGL_wmGetWindowUserData(wnd); + + if ( !win->IsEnabled() ) return FALSE; + + wxPoint where; + MGL_wmCoordGlobalToLocal(win->GetHandle(), + e->where_x, e->where_y, &where.x, &where.y); + + wxKeyEvent event; + event.SetEventObject(win); + event.SetTimestamp(e->when); + event.m_keyCode = wxScanToKeyCode(e); + event.m_scanCode = 0; // not used by wx at all + event.m_x = where.x; + event.m_y = where.y; + event.m_shiftDown = e->modifiers & EVT_SHIFTKEY; + event.m_controlDown = e->modifiers & EVT_CTRLSTATE; + event.m_altDown = e->modifiers & EVT_LEFTALT; + event.m_metaDown = e->modifiers & EVT_RIGHTALT; + + if ( e->what == EVT_KEYUP ) + { + event.SetEventType(wxEVT_KEY_UP); + return win->GetEventHandler()->ProcessEvent(event); + } + else + { + bool ret; + wxKeyEvent event2; + + event.SetEventType(wxEVT_KEY_DOWN); + event2 = event; + + ret = win->GetEventHandler()->ProcessEvent(event); + + +#ifdef __WXDEBUG__ + // Add an easy way to capture screenshots: + if ( event.m_keyCode == WXK_F1 && + event.m_shiftDown && event.m_controlDown ) + CaptureScreenshot(); +#endif + +#if wxUSE_ACCEL + if ( !ret ) + { + for (wxWindowMGL *w = win; w; w = w->GetParent()) + { + int command = w->GetAcceleratorTable()->GetCommand(event); + if ( command != -1 ) + { + wxCommandEvent eventc(wxEVT_COMMAND_MENU_SELECTED, command); + ret = w->GetEventHandler()->ProcessEvent(eventc); + break; + } + if ( w->IsTopLevel() ) + break; + } + } +#endif // wxUSE_ACCEL + + /* wxMSW doesn't send char events with Alt pressed */ + /* Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x + will only be sent if it is not in an accelerator table. */ + event2.m_keyCode = wxAsciiToKeyCode(e); + if ( !ret && event2.m_keyCode != 0 ) + { + event2.SetEventType(wxEVT_CHAR); + ret = win->GetEventHandler()->ProcessEvent(event2); + } + + return ret; + } } // --------------------------------------------------------------------------- @@ -302,6 +552,7 @@ void wxWindowMGL::Init() m_isEnabled = TRUE; m_frozen = FALSE; m_paintMGLDC = NULL; + m_eraseBackground = -1; } // Destructor @@ -309,10 +560,25 @@ wxWindowMGL::~wxWindowMGL() { m_isBeingDeleted = TRUE; - if ( g_focusedWindow == this ) + if ( gs_mouseCapture == this ) + ReleaseMouse(); + + if (gs_activeFrame == this) + { + gs_activeFrame = NULL; + // activate next frame in Z-order: + if ( m_wnd->prev ) + { + wxWindowMGL *win = (wxWindowMGL*)m_wnd->prev->userData; + win->SetFocus(); + } + } + + if ( gs_focusedWindow == this ) KillFocus(); - if ( g_windowUnderMouse == this ) - g_windowUnderMouse = NULL; + + if ( gs_windowUnderMouse == this ) + gs_windowUnderMouse = NULL; // VS: destroy children first and _then_ detach *this from its parent. // If we'd do it the other way around, children wouldn't be able @@ -334,22 +600,11 @@ bool wxWindowMGL::Create(wxWindow *parent, long style, const wxString& name) { - // FIXME_MGL -- temporary! - //wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") ); - if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) ) return FALSE; - if ( parent ) // FIXME_MGL temporary + if ( parent ) parent->AddChild(this); - else - m_isShown=FALSE;// FIXME_MGL -- temporary, simulates wxTLW/wxFrame - - if ( style & wxPOPUP_WINDOW ) - { - // it is created hidden as other top level windows - m_isShown = FALSE; - } int x, y, w, h; x = pos.x, y = pos.y; @@ -359,11 +614,29 @@ bool wxWindowMGL::Create(wxWindow *parent, y = 0; // FIXME_MGL, something better, see GTK+ w = WidthDefault(size.x); h = HeightDefault(size.y); + + long mgl_style = 0; + window_t *wnd_parent = parent ? parent->GetHandle() : NULL; + + if ( !(style & wxNO_FULL_REPAINT_ON_RESIZE) ) + { + mgl_style |= MGL_WM_FULL_REPAINT_ON_RESIZE; + } + if ( style & wxSTAY_ON_TOP ) + { + mgl_style |= MGL_WM_ALWAYS_ON_TOP; + } + if ( style & wxPOPUP_WINDOW ) + { + mgl_style |= MGL_WM_ALWAYS_ON_TOP; + // it is created hidden as other top level windows + m_isShown = FALSE; + wnd_parent = NULL; + } - m_wnd = MGL_wmCreateWindow(g_winMng, - parent ? parent->GetHandle() : NULL, - x, y, w, h); + m_wnd = MGL_wmCreateWindow(g_winMng, wnd_parent, x, y, w, h); + MGL_wmSetWindowFlags(m_wnd, mgl_style); MGL_wmSetWindowUserData(m_wnd, (void*) this); MGL_wmSetWindowPainter(m_wnd, wxWindowPainter); MGL_wmShowWindow(m_wnd, m_isShown); @@ -371,8 +644,7 @@ bool wxWindowMGL::Create(wxWindow *parent, MGL_wmPushWindowEventHandler(m_wnd, wxWindowMouseHandler, EVT_MOUSEEVT, 0); MGL_wmPushWindowEventHandler(m_wnd, wxWindowKeybHandler, EVT_KEYEVT, 0); - MGL_wmPushWindowEventHandler(m_wnd, wxWindowJoyHandler, EVT_JOYEVT, 0); - + return TRUE; } @@ -382,25 +654,36 @@ bool wxWindowMGL::Create(wxWindow *parent, void wxWindowMGL::SetFocus() { - if (g_focusedWindow) - g_focusedWindow->KillFocus(); + if ( gs_focusedWindow == this ) return; + + if ( gs_focusedWindow ) + gs_focusedWindow->KillFocus(); - g_focusedWindow = this; + gs_focusedWindow = this; - MGL_wmCaptureEvents(GetHandle(), EVT_KEYEVT|EVT_JOYEVT, wxMGL_CAPTURE_KEYB); + MGL_wmCaptureEvents(GetHandle(), EVT_KEYEVT, wxMGL_CAPTURE_KEYB); #if wxUSE_CARET // caret needs to be informed about focus change wxCaret *caret = GetCaret(); - if (caret) + if ( caret ) caret->OnSetFocus(); #endif // wxUSE_CARET - if ( IsTopLevel() ) + wxWindowMGL *active = wxGetTopLevelParent(this); + if ( !(m_windowStyle & wxPOPUP_WINDOW) && active != gs_activeFrame ) { - wxActivateEvent event(wxEVT_ACTIVATE, TRUE, GetId()); - event.SetEventObject(this); - GetEventHandler()->ProcessEvent(event); + if ( gs_activeFrame ) + { + wxActivateEvent event(wxEVT_ACTIVATE, FALSE, gs_activeFrame->GetId()); + event.SetEventObject(gs_activeFrame); + gs_activeFrame->GetEventHandler()->ProcessEvent(event); + } + + gs_activeFrame = active; + wxActivateEvent event(wxEVT_ACTIVATE, TRUE, gs_activeFrame->GetId()); + event.SetEventObject(gs_activeFrame); + gs_activeFrame->GetEventHandler()->ProcessEvent(event); } wxFocusEvent event(wxEVT_SET_FOCUS, GetId()); @@ -410,8 +693,8 @@ void wxWindowMGL::SetFocus() void wxWindowMGL::KillFocus() { - if ( g_focusedWindow != this ) return; - g_focusedWindow = NULL; + if ( gs_focusedWindow != this ) return; + gs_focusedWindow = NULL; if ( m_isBeingDeleted ) return; @@ -424,13 +707,6 @@ void wxWindowMGL::KillFocus() caret->OnKillFocus(); #endif // wxUSE_CARET - if ( IsTopLevel() ) - { - wxActivateEvent event(wxEVT_ACTIVATE, FALSE, GetId()); - event.SetEventObject(this); - GetEventHandler()->ProcessEvent(event); - } - wxFocusEvent event(wxEVT_KILL_FOCUS, GetId()); event.SetEventObject(this); GetEventHandler()->ProcessEvent(event); @@ -442,7 +718,7 @@ void wxWindowMGL::KillFocus() // ---------------------------------------------------------------------------- wxWindow *wxWindowBase::FindFocus() { - return (wxWindow*)g_focusedWindow; + return (wxWindow*)gs_focusedWindow; } bool wxWindowMGL::Show(bool show) @@ -451,6 +727,17 @@ bool wxWindowMGL::Show(bool show) return FALSE; MGL_wmShowWindow(m_wnd, show); + + if (!show && gs_activeFrame == this) + { + // activate next frame in Z-order: + if ( m_wnd->prev ) + { + wxWindowMGL *win = (wxWindowMGL*)m_wnd->prev->userData; + win->SetFocus(); + } + } + return TRUE; } @@ -468,22 +755,24 @@ void wxWindowMGL::Lower() void wxWindowMGL::CaptureMouse() { + if ( gs_mouseCapture ) + MGL_wmUncaptureEvents(gs_mouseCapture->m_wnd, wxMGL_CAPTURE_MOUSE); + + gs_mouseCapture = this; MGL_wmCaptureEvents(m_wnd, EVT_MOUSEEVT, wxMGL_CAPTURE_MOUSE); } void wxWindowMGL::ReleaseMouse() { + wxASSERT_MSG( gs_mouseCapture == this, wxT("attempt to release mouse, but this window hasn't captured it") ) + MGL_wmUncaptureEvents(m_wnd, wxMGL_CAPTURE_MOUSE); + gs_mouseCapture = NULL; } /* static */ wxWindow *wxWindowBase::GetCapture() { - for (captureentry_t *c = g_winMng->capturedEvents; c; c = c->next) - { - if ( c->id == wxMGL_CAPTURE_MOUSE ) - return (wxWindow*)c->wnd->userData; - } - return NULL; + return (wxWindow*)gs_mouseCapture; } bool wxWindowMGL::SetCursor(const wxCursor& cursor) @@ -498,8 +787,6 @@ bool wxWindowMGL::SetCursor(const wxCursor& cursor) MGL_wmSetWindowCursor(m_wnd, *m_cursor.GetMGLCursor()); else MGL_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetMGLCursor()); - - // FIXME_MGL -- should it set children's cursor or not?! return TRUE; } @@ -604,27 +891,21 @@ void wxWindowMGL::DoGetPosition(int *x, int *y) const void wxWindowMGL::DoScreenToClient(int *x, int *y) const { int ax, ay; - wxPoint co = GetClientAreaOrigin(); - - MGL_wmCoordGlobalToLocal(m_wnd, m_wnd->x, m_wnd->y, &ax, &ay); - ax -= co.x; - ay -= co.y; + MGL_wmCoordGlobalToLocal(m_wnd, 0, 0, &ax, &ay); if (x) - *x = ax; + (*x) += ax; if (y) - *y = ay; + (*y) += ay; } void wxWindowMGL::DoClientToScreen(int *x, int *y) const { int ax, ay; - wxPoint co = GetClientAreaOrigin(); - - MGL_wmCoordGlobalToLocal(m_wnd, m_wnd->x+co.x, m_wnd->y+co.y, &ax, &ay); + MGL_wmCoordLocalToGlobal(m_wnd, 0, 0, &ax, &ay); if (x) - *x = ax; + (*x) += ax; if (y) - *y = ay; + (*y) += ay; } // Get size *available for subwindows* i.e. excluding menu bar etc. @@ -666,9 +947,7 @@ void wxWindowMGL::DoSetSize(int x, int y, int width, int height, int sizeFlags) if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) ) y = currentY; -#if 0 // FIXME_MGL -- what's this good for? AdjustForParentClientOrigin(x, y, sizeFlags); -#endif wxSize size(-1, -1); if ( width == -1 ) @@ -800,8 +1079,14 @@ void wxWindowMGL::Clear() dc.Clear(); } -void wxWindowMGL::Refresh(bool WXUNUSED(eraseBack), const wxRect *rect) +#include "wx/menu.h" +void wxWindowMGL::Refresh(bool eraseBack, const wxRect *rect) { + if ( m_eraseBackground == -1 ) + m_eraseBackground = eraseBack; + else + m_eraseBackground |= eraseBack; + if ( rect ) { rect_t r; @@ -841,17 +1126,25 @@ void wxWindowMGL::HandlePaint(MGLDevCtx *dc) return; } +#if 0 // FIXME_MGL -- debugging stuff! + dc->setColorRGB(255,0,255); + dc->fillRect(-1000,-1000,2000,2000); + wxUsleep(100); +#endif + MGLRegion clip; dc->getClipRegion(clip); m_updateRegion = wxRegion(clip); m_paintMGLDC = dc; + if ( m_eraseBackground != 0 ) { - wxWindowDC dc((wxWindow*)this); - wxEraseEvent eventEr(m_windowId, &dc); - eventEr.SetEventObject(this); - GetEventHandler()->ProcessEvent(eventEr); + wxWindowDC dc((wxWindow*)this); + wxEraseEvent eventEr(m_windowId, &dc); + eventEr.SetEventObject(this); + GetEventHandler()->ProcessEvent(eventEr); } + m_eraseBackground = -1; wxNcPaintEvent eventNc(GetId()); eventNc.SetEventObject(this);