X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a0bc2c1d27e7b72812dff69f0e0f5abc496c70fe..a4372af60a7eed11d0deea8db2c7d0fdd75d2b76:/src/generic/scrolwin.cpp?ds=sidebyside diff --git a/src/generic/scrolwin.cpp b/src/generic/scrolwin.cpp index 8078c767b4..4e3db4bf49 100644 --- a/src/generic/scrolwin.cpp +++ b/src/generic/scrolwin.cpp @@ -27,7 +27,6 @@ #include "wx/generic/scrolwin.h" #include "wx/panel.h" -#if !USE_SHARED_LIBRARY BEGIN_EVENT_TABLE(wxScrolledWindow, wxPanel) EVT_SCROLLWIN(wxScrolledWindow::OnScroll) EVT_SIZE(wxScrolledWindow::OnSize) @@ -35,7 +34,6 @@ BEGIN_EVENT_TABLE(wxScrolledWindow, wxPanel) END_EVENT_TABLE() IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxPanel) -#endif #ifdef __WXMSW__ #include "windows.h" @@ -43,7 +41,14 @@ IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxPanel) #ifdef __WXMOTIF__ // For wxRETAINED implementation +#ifdef __VMS__ //VMS's Xm.h is not (yet) compatible with C++ + //This code switches off the compiler warnings +# pragma message disable nosimpint +#endif #include +#ifdef __VMS__ +# pragma message enable nosimpint +#endif #endif wxScrolledWindow::wxScrolledWindow() @@ -80,6 +85,8 @@ bool wxScrolledWindow::Create(wxWindow *parent, wxWindowID id, m_yScrollLinesPerPage = 0; m_scaleX = 1.0; m_scaleY = 1.0; + + m_targetWindow = this; return wxPanel::Create(parent, id, pos, size, style, name); } @@ -147,14 +154,38 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY, AdjustScrollbars(); if (do_refresh && !noRefresh) - Refresh(); + m_targetWindow->Refresh(); #ifdef __WXMSW__ - // Necessary? - UpdateWindow ((HWND) GetHWND()); + // GRG: if this turns out to be really necessary, we could + // at least move it to the above if { ... } so that it is + // only done if noRefresh = FALSE (the default). OTOH, if + // this doesn't break anything, which seems to be the + // case, we could just leave it out. + + // Necessary? + // UpdateWindow ((HWND) m_targetWindow->GetHWND()); +#endif +#ifdef __WXMAC__ + m_targetWindow->MacUpdateImmediately() ; #endif } +wxScrolledWindow::~wxScrolledWindow() +{ +} + +void wxScrolledWindow::SetTargetWindow( wxWindow *target ) +{ + wxASSERT_MSG( target, wxT("target window must not be NULL") ); + m_targetWindow = target; +} + +wxWindow *wxScrolledWindow::GetTargetWindow() +{ + return m_targetWindow; +} + void wxScrolledWindow::OnScroll(wxScrollWinEvent& event) { int orient = event.GetOrientation(); @@ -185,141 +216,149 @@ void wxScrolledWindow::OnScroll(wxScrollWinEvent& event) if (orient == wxHORIZONTAL) { if (m_xScrollingEnabled) - ScrollWindow(-m_xScrollPixelsPerLine * nScrollInc, 0, (const wxRect *) NULL); + m_targetWindow->ScrollWindow(-m_xScrollPixelsPerLine * nScrollInc, 0, (const wxRect *) NULL); else - Refresh(); + m_targetWindow->Refresh(); } else { if (m_yScrollingEnabled) - ScrollWindow(0, -m_yScrollPixelsPerLine * nScrollInc, (const wxRect *) NULL); + m_targetWindow->ScrollWindow(0, -m_yScrollPixelsPerLine * nScrollInc, (const wxRect *) NULL); else - Refresh(); + m_targetWindow->Refresh(); } +#ifdef __WXMAC__ + m_targetWindow->MacUpdateImmediately() ; +#endif } int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) { - int pos = event.GetPosition(); - int orient = event.GetOrientation(); + int pos = event.GetPosition(); + int orient = event.GetOrientation(); - int nScrollInc = 0; - switch (event.GetEventType()) - { - case wxEVT_SCROLLWIN_TOP: - { - if (orient == wxHORIZONTAL) - nScrollInc = - m_xScrollPosition; - else - nScrollInc = - m_yScrollPosition; - break; - } - case wxEVT_SCROLLWIN_BOTTOM: - { - if (orient == wxHORIZONTAL) - nScrollInc = m_xScrollLines - m_xScrollPosition; - else - nScrollInc = m_yScrollLines - m_yScrollPosition; - break; - } - case wxEVT_SCROLLWIN_LINEUP: - { - nScrollInc = -1; - break; - } - case wxEVT_SCROLLWIN_LINEDOWN: + int nScrollInc = 0; + switch (event.GetEventType()) { - nScrollInc = 1; - break; - } - case wxEVT_SCROLLWIN_PAGEUP: - { - if (orient == wxHORIZONTAL) - nScrollInc = -GetScrollPageSize(wxHORIZONTAL); - else - nScrollInc = -GetScrollPageSize(wxVERTICAL); - break; - } - case wxEVT_SCROLLWIN_PAGEDOWN: - { - if (orient == wxHORIZONTAL) - nScrollInc = GetScrollPageSize(wxHORIZONTAL); - else - nScrollInc = GetScrollPageSize(wxVERTICAL); - break; - } - case wxEVT_SCROLLWIN_THUMBTRACK: - { - if (orient == wxHORIZONTAL) - nScrollInc = pos - m_xScrollPosition; - else - nScrollInc = pos - m_yScrollPosition; - break; - } - default: - { - break; + case wxEVT_SCROLLWIN_TOP: + { + if (orient == wxHORIZONTAL) + nScrollInc = - m_xScrollPosition; + else + nScrollInc = - m_yScrollPosition; + break; + } + case wxEVT_SCROLLWIN_BOTTOM: + { + if (orient == wxHORIZONTAL) + nScrollInc = m_xScrollLines - m_xScrollPosition; + else + nScrollInc = m_yScrollLines - m_yScrollPosition; + break; + } + case wxEVT_SCROLLWIN_LINEUP: + { + nScrollInc = -1; + break; + } + case wxEVT_SCROLLWIN_LINEDOWN: + { + nScrollInc = 1; + break; + } + case wxEVT_SCROLLWIN_PAGEUP: + { + if (orient == wxHORIZONTAL) + nScrollInc = -GetScrollPageSize(wxHORIZONTAL); + else + nScrollInc = -GetScrollPageSize(wxVERTICAL); + break; + } + case wxEVT_SCROLLWIN_PAGEDOWN: + { + if (orient == wxHORIZONTAL) + nScrollInc = GetScrollPageSize(wxHORIZONTAL); + else + nScrollInc = GetScrollPageSize(wxVERTICAL); + break; + } + case wxEVT_SCROLLWIN_THUMBTRACK: + { + if (orient == wxHORIZONTAL) + nScrollInc = pos - m_xScrollPosition; + else + nScrollInc = pos - m_yScrollPosition; + break; + } + default: + { + break; + } } - } - if (orient == wxHORIZONTAL) - { - if (m_xScrollPixelsPerLine > 0) { - int w, h; - GetClientSize(&w, &h); - - int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine; - int noPositions = (int) ( ((nMaxWidth - w)/(float)m_xScrollPixelsPerLine) + 0.5 ); - if (noPositions < 0) - noPositions = 0; - - if ( (m_xScrollPosition + nScrollInc) < 0 ) - nScrollInc = -m_xScrollPosition; // As -ve as we can go - else if ( (m_xScrollPosition + nScrollInc) > noPositions ) - nScrollInc = noPositions - m_xScrollPosition; // As +ve as we can go + if (orient == wxHORIZONTAL) + { + if (m_xScrollPixelsPerLine > 0) + { + int w, h; + m_targetWindow->GetClientSize(&w, &h); + + int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine; + int noPositions = (int) ( ((nMaxWidth - w)/(double)m_xScrollPixelsPerLine) + 0.5 ); + if (noPositions < 0) + noPositions = 0; + + if ( (m_xScrollPosition + nScrollInc) < 0 ) + nScrollInc = -m_xScrollPosition; // As -ve as we can go + else if ( (m_xScrollPosition + nScrollInc) > noPositions ) + nScrollInc = noPositions - m_xScrollPosition; // As +ve as we can go + } + else + m_targetWindow->Refresh(); } else - Refresh(); - } - else - { - if (m_yScrollPixelsPerLine > 0) { - int w, h; - GetClientSize(&w, &h); + { + if (m_yScrollPixelsPerLine > 0) + { + int w, h; + m_targetWindow->GetClientSize(&w, &h); - int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine; - int noPositions = (int) ( ((nMaxHeight - h)/(float)m_yScrollPixelsPerLine) + 0.5 ); - if (noPositions < 0) - noPositions = 0; + int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine; + int noPositions = (int) ( ((nMaxHeight - h)/(double)m_yScrollPixelsPerLine) + 0.5 ); + if (noPositions < 0) + noPositions = 0; - if ( (m_yScrollPosition + nScrollInc) < 0 ) - nScrollInc = -m_yScrollPosition; // As -ve as we can go - else if ( (m_yScrollPosition + nScrollInc) > noPositions ) - nScrollInc = noPositions - m_yScrollPosition; // As +ve as we can go + if ( (m_yScrollPosition + nScrollInc) < 0 ) + nScrollInc = -m_yScrollPosition; // As -ve as we can go + else if ( (m_yScrollPosition + nScrollInc) > noPositions ) + nScrollInc = noPositions - m_yScrollPosition; // As +ve as we can go + } + else + m_targetWindow->Refresh(); } - else - Refresh(); - } - return nScrollInc; + return nScrollInc; } // Adjust the scrollbars - new version. -void wxScrolledWindow::AdjustScrollbars(void) +void wxScrolledWindow::AdjustScrollbars() { int w, h; - GetClientSize(&w, &h); + m_targetWindow->GetClientSize(&w, &h); + + int oldXScroll = m_xScrollPosition; + int oldYScroll = m_yScrollPosition; if (m_xScrollLines > 0) { - // Calculate page size i.e. number of scroll units you get on the - // current client window - int noPagePositions = (int) ( (w/(float)m_xScrollPixelsPerLine) + 0.5 ); + // Calculate page size i.e. number of scroll units you get on the + // current client window + int noPagePositions = (int) ( (w/(double)m_xScrollPixelsPerLine) + 0.5 ); if (noPagePositions < 1) noPagePositions = 1; // Correct position if greater than extent of canvas minus - // the visible portion of it or if below zero - m_xScrollPosition = wxMin( m_xScrollLines-noPagePositions, m_xScrollPosition); + // the visible portion of it or if below zero + m_xScrollPosition = wxMin( m_xScrollLines-noPagePositions, m_xScrollPosition); m_xScrollPosition = wxMax( 0, m_xScrollPosition ); SetScrollbar(wxHORIZONTAL, m_xScrollPosition, noPagePositions, m_xScrollLines); @@ -334,13 +373,13 @@ void wxScrolledWindow::AdjustScrollbars(void) if (m_yScrollLines > 0) { - // Calculate page size i.e. number of scroll units you get on the - // current client window - int noPagePositions = (int) ( (h/(float)m_yScrollPixelsPerLine) + 0.5 ); + // Calculate page size i.e. number of scroll units you get on the + // current client window + int noPagePositions = (int) ( (h/(double)m_yScrollPixelsPerLine) + 0.5 ); if (noPagePositions < 1) noPagePositions = 1; // Correct position if greater than extent of canvas minus - // the visible portion of it or if below zero + // the visible portion of it or if below zero m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition ); m_yScrollPosition = wxMax( 0, m_yScrollPosition ); @@ -353,6 +392,22 @@ void wxScrolledWindow::AdjustScrollbars(void) m_yScrollPosition = 0; SetScrollbar (wxVERTICAL, 0, 0, 0, FALSE); } + + if (oldXScroll != m_xScrollPosition) + { + if (m_xScrollingEnabled) + m_targetWindow->ScrollWindow( m_xScrollPixelsPerLine * (oldXScroll-m_xScrollPosition), 0, (const wxRect *) NULL ); + else + m_targetWindow->Refresh(); + } + + if (oldYScroll != m_yScrollPosition) + { + if (m_yScrollingEnabled) + m_targetWindow->ScrollWindow( 0, m_yScrollPixelsPerLine * (oldYScroll-m_yScrollPosition), (const wxRect *) NULL ); + else + m_targetWindow->Refresh(); + } } // Default OnSize resets scrollbars, if any @@ -433,47 +488,50 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) ((y_pos == -1) || (y_pos == m_yScrollPosition))) return; int w, h; - GetClientSize(&w, &h); + m_targetWindow->GetClientSize(&w, &h); if (x_pos != -1) { + int old_x = m_xScrollPosition; m_xScrollPosition = x_pos; - // Calculate page size i.e. number of scroll units you get on the - // current client window - int noPagePositions = (int) ( (w/(float)m_xScrollPixelsPerLine) + 0.5 ); + // Calculate page size i.e. number of scroll units you get on the + // current client window + int noPagePositions = (int) ( (w/(double)m_xScrollPixelsPerLine) + 0.5 ); if (noPagePositions < 1) noPagePositions = 1; // Correct position if greater than extent of canvas minus - // the visible portion of it or if below zero + // the visible portion of it or if below zero m_xScrollPosition = wxMin( m_xScrollLines-noPagePositions, m_xScrollPosition ); m_xScrollPosition = wxMax( 0, m_xScrollPosition ); - SetScrollPos( wxHORIZONTAL, m_xScrollPosition, TRUE ); + m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, TRUE ); + + m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0 ); } if (y_pos != -1) { + int old_y = m_yScrollPosition; m_yScrollPosition = y_pos; - // Calculate page size i.e. number of scroll units you get on the - // current client window - int noPagePositions = (int) ( (h/(float)m_yScrollPixelsPerLine) + 0.5 ); + // Calculate page size i.e. number of scroll units you get on the + // current client window + int noPagePositions = (int) ( (h/(double)m_yScrollPixelsPerLine) + 0.5 ); if (noPagePositions < 1) noPagePositions = 1; // Correct position if greater than extent of canvas minus - // the visible portion of it or if below zero + // the visible portion of it or if below zero m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition ); m_yScrollPosition = wxMax( 0, m_yScrollPosition ); - SetScrollPos( wxVERTICAL, m_yScrollPosition, TRUE ); + m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition, TRUE ); + + m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine ); } - // BAD, BAD, can cause event loops if called from OnPaint(). KB. - // Refresh(); -#ifdef __WXMSW__ - // Necessary? - ::UpdateWindow ((HWND) GetHWND()); +#ifdef __WXMAC__ + m_targetWindow->MacUpdateImmediately() ; #endif } @@ -492,7 +550,7 @@ void wxScrolledWindow::GetVirtualSize (int *x, int *y) const } // Where the current view starts from -void wxScrolledWindow::ViewStart (int *x, int *y) const +void wxScrolledWindow::GetViewStart (int *x, int *y) const { if ( x ) *x = m_xScrollPosition;