X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/29e1398fa035b277569c4514deb622e9f1ddcf40..1bab36277c418507195638ace24ea9cedc78391c:/src/generic/scrlwing.cpp diff --git a/src/generic/scrlwing.cpp b/src/generic/scrlwing.cpp index 278ae610c0..e8154d1559 100644 --- a/src/generic/scrlwing.cpp +++ b/src/generic/scrlwing.cpp @@ -86,7 +86,7 @@ private: bool m_hasDrawnWindow; - DECLARE_NO_COPY_CLASS(wxScrollHelperEvtHandler) + wxDECLARE_NO_COPY_CLASS(wxScrollHelperEvtHandler); }; #if wxUSE_TIMER @@ -112,7 +112,7 @@ private: int m_pos, m_orient; - DECLARE_NO_COPY_CLASS(wxAutoScrollTimer) + wxDECLARE_NO_COPY_CLASS(wxAutoScrollTimer); }; // ============================================================================ @@ -152,7 +152,7 @@ void wxAutoScrollTimer::Notify() { // and then send a pseudo mouse-move event to refresh the selection wxMouseEvent event2(wxEVT_MOTION); - wxGetMousePosition(&event2.m_x, &event2.m_y); + event2.SetPosition(wxGetMousePosition()); // the mouse event coordinates should be client, not screen as // returned by wxGetMousePosition @@ -314,7 +314,7 @@ bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event) wxScrollHelperBase::wxScrollHelperBase(wxWindow *win) { - wxASSERT_MSG( win, _T("associated window can't be NULL in wxScrollHelper") ); + wxASSERT_MSG( win, wxT("associated window can't be NULL in wxScrollHelper") ); m_xScrollPixelsPerLine = m_yScrollPixelsPerLine = @@ -829,93 +829,70 @@ void wxScrollHelperBase::HandleOnPaint(wxPaintEvent& WXUNUSED(event)) // this they always have the priority void wxScrollHelperBase::HandleOnChar(wxKeyEvent& event) { - int stx = 0, sty = 0, // view origin - szx = 0, szy = 0, // view size (total) - clix = 0, cliy = 0; // view size (on screen) + // prepare the event this key press maps to + wxScrollWinEvent newEvent; - GetViewStart(&stx, &sty); - GetTargetSize(&clix, &cliy); - m_targetWindow->GetVirtualSize(&szx, &szy); + newEvent.SetPosition(0); + newEvent.SetEventObject(m_win); - if( m_xScrollPixelsPerLine ) - { - clix /= m_xScrollPixelsPerLine; - szx /= m_xScrollPixelsPerLine; - } - else - { - clix = 0; - szx = -1; - } - if( m_yScrollPixelsPerLine ) - { - cliy /= m_yScrollPixelsPerLine; - szy /= m_yScrollPixelsPerLine; - } - else - { - cliy = 0; - szy = -1; - } + // this is the default, it's changed to wxHORIZONTAL below if needed + newEvent.SetOrientation(wxVERTICAL); - int xScrollOld = m_xScrollPosition, - yScrollOld = m_yScrollPosition; + // some key events result in scrolling in both horizontal and vertical + // direction, e.g. Ctrl-{Home,End}, if this flag is true we should generate + // a second event in horizontal direction in addition to the primary one + bool sendHorizontalToo = false; - int dsty; switch ( event.GetKeyCode() ) { case WXK_PAGEUP: - dsty = sty - (5 * cliy / 6); - Scroll(-1, (dsty == -1) ? 0 : dsty); + newEvent.SetEventType(wxEVT_SCROLLWIN_PAGEUP); break; case WXK_PAGEDOWN: - Scroll(-1, sty + (5 * cliy / 6)); + newEvent.SetEventType(wxEVT_SCROLLWIN_PAGEDOWN); break; case WXK_HOME: - Scroll(0, event.ControlDown() ? 0 : -1); - break; + newEvent.SetEventType(wxEVT_SCROLLWIN_TOP); - case WXK_END: - Scroll(szx - clix, event.ControlDown() ? szy - cliy : -1); + sendHorizontalToo = event.ControlDown(); break; - case WXK_UP: - Scroll(-1, sty - 1); - break; + case WXK_END: + newEvent.SetEventType(wxEVT_SCROLLWIN_BOTTOM); - case WXK_DOWN: - Scroll(-1, sty + 1); + sendHorizontalToo = event.ControlDown(); break; case WXK_LEFT: - Scroll(stx - 1, -1); + newEvent.SetOrientation(wxHORIZONTAL); + // fall through + + case WXK_UP: + newEvent.SetEventType(wxEVT_SCROLLWIN_LINEUP); break; case WXK_RIGHT: - Scroll(stx + 1, -1); + newEvent.SetOrientation(wxHORIZONTAL); + // fall through + + case WXK_DOWN: + newEvent.SetEventType(wxEVT_SCROLLWIN_LINEDOWN); break; default: - // not for us + // not a scrolling key event.Skip(); + return; } - if ( m_xScrollPosition != xScrollOld ) - { - wxScrollWinEvent evt(wxEVT_SCROLLWIN_THUMBTRACK, m_xScrollPosition, - wxHORIZONTAL); - evt.SetEventObject(m_win); - m_win->GetEventHandler()->ProcessEvent(evt); - } + m_win->ProcessWindowEvent(newEvent); - if ( m_yScrollPosition != yScrollOld ) + if ( sendHorizontalToo ) { - wxScrollWinEvent evt(wxEVT_SCROLLWIN_THUMBTRACK, m_yScrollPosition, - wxVERTICAL); - evt.SetEventObject(m_win); - m_win->GetEventHandler()->ProcessEvent(evt); + newEvent.SetOrientation(wxHORIZONTAL); + m_win->ProcessWindowEvent(newEvent); } } @@ -937,7 +914,7 @@ void wxScrollHelperBase::StopAutoScrolling() if ( m_timerAutoScroll ) { delete m_timerAutoScroll; - m_timerAutoScroll = (wxTimer *)NULL; + m_timerAutoScroll = NULL; } #endif } @@ -990,7 +967,7 @@ void wxScrollHelperBase::HandleOnMouseLeave(wxMouseEvent& event) // but seems to happen sometimes under wxMSW - maybe it's a bug // there but for now just ignore it - //wxFAIL_MSG( _T("can't understand where has mouse gone") ); + //wxFAIL_MSG( wxT("can't understand where has mouse gone") ); return; } @@ -1073,7 +1050,7 @@ void wxScrollHelperBase::HandleOnChildFocus(wxChildFocusEvent& event) if ( win == m_targetWindow ) return; // nothing to do -#ifdef __WXMAC__ +#if defined( __WXOSX__ ) && wxUSE_SCROLLBAR if (wxDynamicCast(win, wxScrollBar)) return; #endif @@ -1232,28 +1209,20 @@ void wxScrollHelper::DoAdjustScrollbar(int orient, int clientSize, int virtSize, - int& pixelsPerUnit, + int pixelsPerUnit, int& scrollUnits, int& scrollPosition, + int& scrollLinesPerPage, wxScrollbarVisibility visibility) { - if ( visibility == wxSHOW_SB_NEVER ) - { - m_win->SetScrollbar(orient, 0, 0, 0); - return; - } - // scroll lines per page: if 0, no scrolling is needed - int unitsPerPage; - // check if we need scrollbar in this direction at all - if ( pixelsPerUnit == 0 || - (clientSize >= virtSize && visibility != wxSHOW_SB_ALWAYS) ) + if ( pixelsPerUnit == 0 || clientSize >= virtSize ) { // scrolling is disabled or unnecessary scrollUnits = scrollPosition = 0; - unitsPerPage = 0; + scrollLinesPerPage = 0; } else // might need scrolling { @@ -1261,23 +1230,23 @@ wxScrollHelper::DoAdjustScrollbar(int orient, scrollUnits = (virtSize + pixelsPerUnit - 1) / pixelsPerUnit; // Calculate the number of fully scroll units - unitsPerPage = clientSize / pixelsPerUnit; + scrollLinesPerPage = clientSize / pixelsPerUnit; - if (unitsPerPage >= scrollUnits) + if ( scrollLinesPerPage >= scrollUnits ) { // we're big enough to not need scrolling scrollUnits = scrollPosition = 0; - unitsPerPage = 0; + scrollLinesPerPage = 0; } else // we do need a scrollbar { - if ( unitsPerPage < 1 ) - unitsPerPage = 1; + if ( scrollLinesPerPage < 1 ) + scrollLinesPerPage = 1; // Correct position if greater than extent of canvas minus // the visible portion of it or if below zero - const int posMax = scrollUnits - unitsPerPage; + const int posMax = scrollUnits - scrollLinesPerPage; if ( scrollPosition > posMax ) scrollPosition = posMax; else if ( scrollPosition < 0 ) @@ -1285,10 +1254,31 @@ wxScrollHelper::DoAdjustScrollbar(int orient, } } - m_win->SetScrollbar(orient, scrollPosition, unitsPerPage, scrollUnits); + // in wxSHOW_SB_NEVER case don't show the scrollbar even if it's needed, in + // wxSHOW_SB_ALWAYS case show the scrollbar even if it's not needed by + // passing a special range value to SetScrollbar() + int range; + switch ( visibility ) + { + case wxSHOW_SB_NEVER: + range = 0; + break; + + case wxSHOW_SB_ALWAYS: + range = scrollUnits ? scrollUnits : -1; + break; + + default: + wxFAIL_MSG( wxS("unknown scrollbar visibility") ); + // fall through + + case wxSHOW_SB_DEFAULT: + range = scrollUnits; + break; + + } - // The amount by which we scroll when paging - SetScrollPageSize(orient, unitsPerPage); + m_win->SetScrollbar(orient, scrollPosition, scrollLinesPerPage, range); } void wxScrollHelper::AdjustScrollbars() @@ -1348,6 +1338,7 @@ void wxScrollHelper::AdjustScrollbars() m_xScrollPixelsPerLine, m_xScrollLines, m_xScrollPosition, + m_xScrollLinesPerPage, m_xVisibility); DoAdjustScrollbar(wxVERTICAL, @@ -1356,6 +1347,7 @@ void wxScrollHelper::AdjustScrollbars() m_yScrollPixelsPerLine, m_yScrollLines, m_yScrollPosition, + m_yScrollLinesPerPage, m_yVisibility);