X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/88150e6073673c304d285906e0d718374a5abe93..e7b3d6babbc006f2936be6827d0b826adbbc82e4:/src/generic/scrolwin.cpp diff --git a/src/generic/scrolwin.cpp b/src/generic/scrolwin.cpp index 4bb0b3a77c..8078c767b4 100644 --- a/src/generic/scrolwin.cpp +++ b/src/generic/scrolwin.cpp @@ -20,27 +20,33 @@ #include "wx/utils.h" #include "wx/dcclient.h" -#ifdef __WXMSW__ -#include "windows.h" -#endif - #ifdef __BORLANDC__ #pragma hdrstop #endif #include "wx/generic/scrolwin.h" +#include "wx/panel.h" #if !USE_SHARED_LIBRARY -BEGIN_EVENT_TABLE(wxScrolledWindow, wxWindow) - EVT_SCROLL(wxScrolledWindow::OnScroll) +BEGIN_EVENT_TABLE(wxScrolledWindow, wxPanel) + EVT_SCROLLWIN(wxScrolledWindow::OnScroll) EVT_SIZE(wxScrolledWindow::OnSize) EVT_PAINT(wxScrolledWindow::OnPaint) END_EVENT_TABLE() -IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxWindow) +IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxPanel) +#endif + +#ifdef __WXMSW__ +#include "windows.h" +#endif + +#ifdef __WXMOTIF__ +// For wxRETAINED implementation +#include #endif -wxScrolledWindow::wxScrolledWindow(void) +wxScrolledWindow::wxScrolledWindow() { m_xScrollPixelsPerLine = 0; m_yScrollPixelsPerLine = 0; @@ -75,7 +81,7 @@ bool wxScrolledWindow::Create(wxWindow *parent, wxWindowID id, m_scaleX = 1.0; m_scaleY = 1.0; - return wxWindow::Create(parent, id, pos, size, style, name); + return wxPanel::Create(parent, id, pos, size, style, name); } /* @@ -89,9 +95,9 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY, bool do_refresh = ( (noUnitsX != 0 && m_xScrollLines == 0) || - (noUnitsX < m_xScrollPosition) || + (noUnitsX < m_xScrollLines) || (noUnitsY != 0 && m_yScrollLines == 0) || - (noUnitsY < m_yScrollPosition) || + (noUnitsY < m_yScrollLines) || (xPos != m_xScrollPosition) || (yPos != m_yScrollPosition) || (pixelsPerUnitX != m_xScrollPixelsPerLine) || @@ -104,17 +110,52 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY, m_yScrollPosition = yPos; m_xScrollLines = noUnitsX; m_yScrollLines = noUnitsY; + +#ifdef __WXMOTIF__ + // Sorry, some Motif-specific code to implement a backing pixmap + // for the wxRETAINED style. Implementing a backing store can't + // be entirely generic because it relies on the wxWindowDC implementation + // to duplicate X drawing calls for the backing pixmap. + + if ((m_windowStyle & wxRETAINED) == wxRETAINED) + { + Display* dpy = XtDisplay((Widget) GetMainWidget()); + + int totalPixelWidth = m_xScrollLines * m_xScrollPixelsPerLine; + int totalPixelHeight = m_yScrollLines * m_yScrollPixelsPerLine; + if (m_backingPixmap && + !((m_pixmapWidth == totalPixelWidth) && + (m_pixmapHeight == totalPixelHeight))) + { + XFreePixmap (dpy, (Pixmap) m_backingPixmap); + m_backingPixmap = (WXPixmap) 0; + } + + if (!m_backingPixmap && + (noUnitsX != 0) && (noUnitsY != 0)) + { + int depth = wxDisplayDepth(); + m_pixmapWidth = totalPixelWidth; + m_pixmapHeight = totalPixelHeight; + m_backingPixmap = (WXPixmap) XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)), + m_pixmapWidth, m_pixmapHeight, depth); + } + + } +#endif AdjustScrollbars(); - if (do_refresh && !noRefresh) Refresh(); + if (do_refresh && !noRefresh) + Refresh(); #ifdef __WXMSW__ + // Necessary? UpdateWindow ((HWND) GetHWND()); #endif } -void wxScrolledWindow::OnScroll(wxScrollEvent& event) +void wxScrolledWindow::OnScroll(wxScrollWinEvent& event) { int orient = event.GetOrientation(); @@ -157,7 +198,7 @@ void wxScrolledWindow::OnScroll(wxScrollEvent& event) } } -int wxScrolledWindow::CalcScrollInc(wxScrollEvent& event) +int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) { int pos = event.GetPosition(); int orient = event.GetOrientation(); @@ -165,7 +206,7 @@ int wxScrolledWindow::CalcScrollInc(wxScrollEvent& event) int nScrollInc = 0; switch (event.GetEventType()) { - case wxEVT_SCROLL_TOP: + case wxEVT_SCROLLWIN_TOP: { if (orient == wxHORIZONTAL) nScrollInc = - m_xScrollPosition; @@ -173,7 +214,7 @@ int wxScrolledWindow::CalcScrollInc(wxScrollEvent& event) nScrollInc = - m_yScrollPosition; break; } - case wxEVT_SCROLL_BOTTOM: + case wxEVT_SCROLLWIN_BOTTOM: { if (orient == wxHORIZONTAL) nScrollInc = m_xScrollLines - m_xScrollPosition; @@ -181,17 +222,17 @@ int wxScrolledWindow::CalcScrollInc(wxScrollEvent& event) nScrollInc = m_yScrollLines - m_yScrollPosition; break; } - case wxEVT_SCROLL_LINEUP: + case wxEVT_SCROLLWIN_LINEUP: { nScrollInc = -1; break; } - case wxEVT_SCROLL_LINEDOWN: + case wxEVT_SCROLLWIN_LINEDOWN: { nScrollInc = 1; break; } - case wxEVT_SCROLL_PAGEUP: + case wxEVT_SCROLLWIN_PAGEUP: { if (orient == wxHORIZONTAL) nScrollInc = -GetScrollPageSize(wxHORIZONTAL); @@ -199,7 +240,7 @@ int wxScrolledWindow::CalcScrollInc(wxScrollEvent& event) nScrollInc = -GetScrollPageSize(wxVERTICAL); break; } - case wxEVT_SCROLL_PAGEDOWN: + case wxEVT_SCROLLWIN_PAGEDOWN: { if (orient == wxHORIZONTAL) nScrollInc = GetScrollPageSize(wxHORIZONTAL); @@ -207,7 +248,7 @@ int wxScrolledWindow::CalcScrollInc(wxScrollEvent& event) nScrollInc = GetScrollPageSize(wxVERTICAL); break; } - case wxEVT_SCROLL_THUMBTRACK: + case wxEVT_SCROLLWIN_THUMBTRACK: { if (orient == wxHORIZONTAL) nScrollInc = pos - m_xScrollPosition; @@ -349,12 +390,22 @@ void wxScrolledWindow::GetScrollUnitsPerPage (int *x_page, int *y_page) const *x_page = GetScrollPageSize(wxHORIZONTAL); *y_page = GetScrollPageSize(wxVERTICAL); } -#endif + +void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const +{ + if ( xx ) + *xx = (float)(x + m_xScrollPosition * m_xScrollPixelsPerLine); + if ( yy ) + *yy = (float)(y + m_yScrollPosition * m_yScrollPixelsPerLine); +} +#endif // WXWIN_COMPATIBILITY void wxScrolledWindow::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const { - *x_unit = m_xScrollPixelsPerLine; - *y_unit = m_yScrollPixelsPerLine; + if ( x_unit ) + *x_unit = m_xScrollPixelsPerLine; + if ( y_unit ) + *y_unit = m_yScrollPixelsPerLine; } int wxScrolledWindow::GetScrollPageSize(int orient) const @@ -417,9 +468,11 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) SetScrollPos( wxVERTICAL, m_yScrollPosition, TRUE ); } - Refresh(); + // BAD, BAD, can cause event loops if called from OnPaint(). KB. + // Refresh(); #ifdef __WXMSW__ + // Necessary? ::UpdateWindow ((HWND) GetHWND()); #endif } @@ -432,27 +485,33 @@ void wxScrolledWindow::EnableScrolling (bool x_scroll, bool y_scroll) void wxScrolledWindow::GetVirtualSize (int *x, int *y) const { - *x = m_xScrollPixelsPerLine * m_xScrollLines; - *y = m_yScrollPixelsPerLine * m_yScrollLines; + if ( x ) + *x = m_xScrollPixelsPerLine * m_xScrollLines; + if ( y ) + *y = m_yScrollPixelsPerLine * m_yScrollLines; } // Where the current view starts from void wxScrolledWindow::ViewStart (int *x, int *y) const { - *x = m_xScrollPosition; - *y = m_yScrollPosition; + if ( x ) + *x = m_xScrollPosition; + if ( y ) + *y = m_yScrollPosition; } void wxScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) const { - *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine; - *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine; + if ( xx ) + *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine; + if ( yy ) + *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine; } -void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const +void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const { - *xx = (float)(x + m_xScrollPosition * m_xScrollPixelsPerLine); - *yy = (float)(y + m_yScrollPosition * m_yScrollPixelsPerLine); + if ( xx ) + *xx = x + m_xScrollPosition * m_xScrollPixelsPerLine; + if ( yy ) + *yy = y + m_yScrollPosition * m_yScrollPixelsPerLine; } - -