{
}
+#if wxUSE_TEXTCTRL
+
// ----------------------------------------------------------------------------
// wxGridCellTextEditor
// ----------------------------------------------------------------------------
return FALSE;
}
+#endif // wxUSE_TEXTCTRL
+
+#if wxUSE_CHECKBOX
+
// ----------------------------------------------------------------------------
// wxGridCellBoolEditor
// ----------------------------------------------------------------------------
return FALSE;
}
+#endif // wxUSE_CHECKBOX
+
+#if wxUSE_COMBOBOX
+
// ----------------------------------------------------------------------------
// wxGridCellChoiceEditor
// ----------------------------------------------------------------------------
}
}
+#endif // wxUSE_COMBOBOX
+
// ----------------------------------------------------------------------------
// wxGridCellEditorEvtHandler
// ----------------------------------------------------------------------------
{
// check whether this is one of the standard ones, in which case
// register it "on the fly"
+#if wxUSE_TEXTCTRL
if ( typeName == wxGRID_VALUE_STRING )
{
RegisterDataType(wxGRID_VALUE_STRING,
new wxGridCellStringRenderer,
new wxGridCellTextEditor);
- }
- else if ( typeName == wxGRID_VALUE_BOOL )
+ } else
+#endif // wxUSE_TEXTCTRL
+#if wxUSE_CHECKBOX
+ if ( typeName == wxGRID_VALUE_BOOL )
{
RegisterDataType(wxGRID_VALUE_BOOL,
new wxGridCellBoolRenderer,
new wxGridCellBoolEditor);
- }
- else if ( typeName == wxGRID_VALUE_NUMBER )
+ } else
+#endif // wxUSE_CHECKBOX
+#if wxUSE_TEXTCTRL
+ if ( typeName == wxGRID_VALUE_NUMBER )
{
RegisterDataType(wxGRID_VALUE_NUMBER,
new wxGridCellNumberRenderer,
RegisterDataType(wxGRID_VALUE_FLOAT,
new wxGridCellFloatRenderer,
new wxGridCellFloatEditor);
- }
- else if ( typeName == wxGRID_VALUE_CHOICE )
+ } else
+#endif // wxUSE_TEXTCTRL
+#if wxUSE_COMBOBOX
+ if ( typeName == wxGRID_VALUE_CHOICE )
{
RegisterDataType(wxGRID_VALUE_CHOICE,
new wxGridCellStringRenderer,
new wxGridCellChoiceEditor);
- }
- else
+ } else
+#endif // wxUSE_COMBOBOX
{
return wxNOT_FOUND;
}
#pragma hdrstop
#endif
-
-#if wxUSE_GRID || wxUSE_NEW_GRID
+#if wxUSE_GRID || wxUSE_NEW_GRID
#ifndef WX_PRECOMP
#include "wx/textctrl.h"
}
}
+#if wxUSE_COMBOBOX
+
// ----------------------------------------------------------------------------
// wxGridCellEnumEditor
// ----------------------------------------------------------------------------
-// A cell editor which displays an enum number as a textual equivalent.
-// eg data in cell is 0,1,2 ... n the cell could be displayed as "John","Fred"..."Bob"
-// in the combo choice box
-//
+
+// A cell editor which displays an enum number as a textual equivalent. eg
+// data in cell is 0,1,2 ... n the cell could be displayed as
+// "John","Fred"..."Bob" in the combo choice box
+
wxGridCellEnumEditor::wxGridCellEnumEditor(const wxString& choices)
: wxGridCellChoiceEditor()
{
return changed;
}
+#endif // wxUSE_COMBOBOX
+
+// ----------------------------------------------------------------------------
+// wxGridCellAutoWrapStringEditor
+// ----------------------------------------------------------------------------
void
wxGridCellAutoWrapStringEditor::Create(wxWindow* parent,
return wxSize(width,height);
}
-#endif
+#endif // wxUSE_GRID
+
# pragma hdrstop
#endif
-#if wxUSE_HTML && wxUSE_STREAMS
+#if wxUSE_WXHTML_HELP
#ifndef WX_PRECOMP
#include "wx/string.h"
return m_Frame;
}
-#endif // wxUSE_HTML
+#endif // wxUSE_WXHTML_HELP
+
void wxListMainWindow::OnScroll(wxScrollWinEvent& event)
{
// FIXME
-#ifdef __WXGTK__
+#if defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
wxScrolledWindow::OnScroll(event);
#else
HandleOnScroll( event );
bool wxListCtrl::DoPopupMenu( wxMenu *menu, int x, int y )
{
+#if wxUSE_MENUS
return m_mainWin->PopupMenu( menu, x, y );
+#else
+ return FALSE;
+#endif // wxUSE_MENUS
}
void wxListCtrl::SetFocus()
wxHSCROLL |
wxTE_READONLY);
+#if wxUSE_MENUS
// create menu
wxMenuBar *pMenuBar = new wxMenuBar;
wxMenu *pMenu = new wxMenu;
pMenu->Append(Menu_Close, _("&Close"), _("Close this window"));
pMenuBar->Append(pMenu, _("&Log"));
SetMenuBar(pMenuBar);
+#endif // wxUSE_MENUS
#if wxUSE_STATUSBAR
// status bar for menu prompts
--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: generic/scrolwin.cpp
+// Purpose: wxGenericScrolledWindow implementation
+// Author: Julian Smart
+// Modified by: Vadim Zeitlin on 31.08.00: wxScrollHelper allows to implement
+// Created: 01/02/97
+// RCS-ID: $Id$
+// Copyright: (c) wxWindows team
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#ifdef __GNUG__
+ #pragma implementation "genscrolwin.h"
+#endif
+
+#ifdef __VMS
+#define XtDisplay XTDISPLAY
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#if !defined(__WXGTK__) || defined(__WXUNIVERSAL__)
+
+#include "wx/utils.h"
+#include "wx/dcclient.h"
+
+#include "wx/scrolwin.h"
+#include "wx/panel.h"
+#include "wx/timer.h"
+
+#ifdef __WXMSW__
+ #include <windows.h> // for DLGC_WANTARROWS
+#endif
+
+#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 <Xm/Xm.h>
+#ifdef __VMS__
+# pragma message enable nosimpint
+#endif
+#endif
+
+#ifndef __WXGTK__
+IMPLEMENT_CLASS(wxScrolledWindow, wxGenericScrolledWindow)
+#endif
+
+// ----------------------------------------------------------------------------
+// wxScrollHelperEvtHandler: intercept the events from the window and forward
+// them to wxScrollHelper
+// ----------------------------------------------------------------------------
+
+class wxScrollHelperEvtHandler : public wxEvtHandler
+{
+public:
+ wxScrollHelperEvtHandler(wxScrollHelper *scrollHelper)
+ {
+ m_scrollHelper = scrollHelper;
+ }
+
+ virtual bool ProcessEvent(wxEvent& event);
+
+private:
+ wxScrollHelper *m_scrollHelper;
+};
+
+// ----------------------------------------------------------------------------
+// wxAutoScrollTimer: the timer used to generate a stream of scroll events when
+// a captured mouse is held outside the window
+// ----------------------------------------------------------------------------
+
+class wxAutoScrollTimer : public wxTimer
+{
+public:
+ wxAutoScrollTimer(wxWindow *winToScroll, wxScrollHelper *scroll,
+ wxEventType eventTypeToSend,
+ int pos, int orient);
+
+ virtual void Notify();
+
+private:
+ wxWindow *m_win;
+ wxScrollHelper *m_scrollHelper;
+ wxEventType m_eventType;
+ int m_pos,
+ m_orient;
+};
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxAutoScrollTimer
+// ----------------------------------------------------------------------------
+
+wxAutoScrollTimer::wxAutoScrollTimer(wxWindow *winToScroll,
+ wxScrollHelper *scroll,
+ wxEventType eventTypeToSend,
+ int pos, int orient)
+{
+ m_win = winToScroll;
+ m_scrollHelper = scroll;
+ m_eventType = eventTypeToSend;
+ m_pos = pos;
+ m_orient = orient;
+}
+
+void wxAutoScrollTimer::Notify()
+{
+ // only do all this as long as the window is capturing the mouse
+ if ( wxWindow::GetCapture() != m_win )
+ {
+ Stop();
+ }
+ else // we still capture the mouse, continue generating events
+ {
+ // first scroll the window if we are allowed to do it
+ wxScrollWinEvent event1(m_eventType, m_pos, m_orient);
+ event1.SetEventObject(m_win);
+ if ( m_scrollHelper->SendAutoScrollEvents(event1) &&
+ m_win->GetEventHandler()->ProcessEvent(event1) )
+ {
+ // and then send a pseudo mouse-move event to refresh the selection
+ wxMouseEvent event2(wxEVT_MOTION);
+ wxGetMousePosition(&event2.m_x, &event2.m_y);
+
+ // the mouse event coordinates should be client, not screen as
+ // returned by wxGetMousePosition
+ wxWindow *parentTop = m_win;
+ while ( parentTop->GetParent() )
+ parentTop = parentTop->GetParent();
+ wxPoint ptOrig = parentTop->GetPosition();
+ event2.m_x -= ptOrig.x;
+ event2.m_y -= ptOrig.y;
+
+ event2.SetEventObject(m_win);
+
+ // FIXME: we don't fill in the other members - ok?
+
+ m_win->GetEventHandler()->ProcessEvent(event2);
+ }
+ else // can't scroll further, stop
+ {
+ Stop();
+ }
+ }
+}
+
+// ----------------------------------------------------------------------------
+// wxScrollHelperEvtHandler
+// ----------------------------------------------------------------------------
+
+bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event)
+{
+ if ( wxEvtHandler::ProcessEvent(event) )
+ return TRUE;
+
+ // reset the skipped flag to FALSE as it might have been set to TRUE in
+ // ProcessEvent() above
+ event.Skip(FALSE);
+
+ wxEventType evType = event.GetEventType();
+
+ if ( evType == wxEVT_PAINT )
+ {
+ m_scrollHelper->HandleOnPaint((wxPaintEvent &)event);
+ return TRUE;
+ }
+
+ if ( evType == wxEVT_SCROLLWIN_TOP ||
+ evType == wxEVT_SCROLLWIN_BOTTOM ||
+ evType == wxEVT_SCROLLWIN_LINEUP ||
+ evType == wxEVT_SCROLLWIN_LINEDOWN ||
+ evType == wxEVT_SCROLLWIN_PAGEUP ||
+ evType == wxEVT_SCROLLWIN_PAGEDOWN ||
+ evType == wxEVT_SCROLLWIN_THUMBTRACK ||
+ evType == wxEVT_SCROLLWIN_THUMBRELEASE )
+ {
+ m_scrollHelper->HandleOnScroll((wxScrollWinEvent &)event);
+ return !event.GetSkipped();
+ }
+
+ if ( evType == wxEVT_ENTER_WINDOW )
+ {
+ m_scrollHelper->HandleOnMouseEnter((wxMouseEvent &)event);
+ }
+ else if ( evType == wxEVT_LEAVE_WINDOW )
+ {
+ m_scrollHelper->HandleOnMouseLeave((wxMouseEvent &)event);
+ }
+#if wxUSE_MOUSEWHEEL
+ else if ( evType == wxEVT_MOUSEWHEEL )
+ {
+ m_scrollHelper->HandleOnMouseWheel((wxMouseEvent &)event);
+ }
+#endif // wxUSE_MOUSEWHEEL
+ else if ( evType == wxEVT_SIZE )
+ {
+ m_scrollHelper->HandleOnSize((wxSizeEvent &)event);
+ }
+ else if ( evType == wxEVT_CHAR )
+ {
+ m_scrollHelper->HandleOnChar((wxKeyEvent &)event);
+ return !event.GetSkipped();
+ }
+
+ return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// wxScrollHelper construction
+// ----------------------------------------------------------------------------
+
+wxScrollHelper::wxScrollHelper(wxWindow *win)
+{
+ m_xScrollPixelsPerLine =
+ m_yScrollPixelsPerLine =
+ m_xScrollPosition =
+ m_yScrollPosition =
+ m_xScrollLines =
+ m_yScrollLines =
+ m_xScrollLinesPerPage =
+ m_yScrollLinesPerPage = 0;
+
+ m_xScrollingEnabled =
+ m_yScrollingEnabled = TRUE;
+
+ m_scaleX =
+ m_scaleY = 1.0;
+#if wxUSE_MOUSEWHEEL
+ m_wheelRotation = 0;
+#endif
+
+ m_win =
+ m_targetWindow = (wxWindow *)NULL;
+
+ m_timerAutoScroll = (wxTimer *)NULL;
+
+ if ( win )
+ SetWindow(win);
+}
+
+void wxScrollHelper::SetWindow(wxWindow *win)
+{
+ wxCHECK_RET( win, _T("wxScrollHelper needs a window to scroll") );
+
+ m_targetWindow = m_win = win;
+
+ // install the event handler which will intercept the events we're
+ // interested in
+ m_win->PushEventHandler(new wxScrollHelperEvtHandler(this));
+}
+
+wxScrollHelper::~wxScrollHelper()
+{
+ StopAutoScrolling();
+
+ if ( m_targetWindow )
+ m_targetWindow->PopEventHandler(TRUE /* do delete it */);
+}
+
+// ----------------------------------------------------------------------------
+// setting scrolling parameters
+// ----------------------------------------------------------------------------
+
+void wxScrollHelper::SetScrollbars(int pixelsPerUnitX,
+ int pixelsPerUnitY,
+ int noUnitsX,
+ int noUnitsY,
+ int xPos,
+ int yPos,
+ bool noRefresh)
+{
+ int xpos, ypos;
+
+ CalcUnscrolledPosition(xPos, yPos, &xpos, &ypos);
+ bool do_refresh =
+ (
+ (noUnitsX != 0 && m_xScrollLines == 0) ||
+ (noUnitsX < m_xScrollLines && xpos > pixelsPerUnitX*noUnitsX) ||
+
+ (noUnitsY != 0 && m_yScrollLines == 0) ||
+ (noUnitsY < m_yScrollLines && ypos > pixelsPerUnitY*noUnitsY) ||
+ (xPos != m_xScrollPosition) ||
+ (yPos != m_yScrollPosition)
+ );
+
+ m_xScrollPixelsPerLine = pixelsPerUnitX;
+ m_yScrollPixelsPerLine = pixelsPerUnitY;
+ m_xScrollPosition = xPos;
+ 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_targetWindow->GetWindowStyle() & wxRETAINED )
+ {
+ Display* dpy = XtDisplay((Widget)m_targetWindow->GetMainWidget());
+
+ int totalPixelWidth = m_xScrollLines * m_xScrollPixelsPerLine;
+ int totalPixelHeight = m_yScrollLines * m_yScrollPixelsPerLine;
+ if (m_targetWindow->m_backingPixmap &&
+ !((m_targetWindow->m_pixmapWidth == totalPixelWidth) &&
+ (m_targetWindow->m_pixmapHeight == totalPixelHeight)))
+ {
+ XFreePixmap (dpy, (Pixmap) m_targetWindow->m_backingPixmap);
+ m_targetWindow->m_backingPixmap = (WXPixmap) 0;
+ }
+
+ if (!m_targetWindow->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 // Motif
+
+ AdjustScrollbars();
+
+ if (do_refresh && !noRefresh)
+ m_targetWindow->Refresh(TRUE, GetRect());
+
+#ifdef __WXMAC__
+ m_targetWindow->MacUpdateImmediately() ;
+#endif
+}
+
+// ----------------------------------------------------------------------------
+// target window handling
+// ----------------------------------------------------------------------------
+
+void wxScrollHelper::SetTargetWindow( wxWindow *target )
+{
+ wxASSERT_MSG( target, wxT("target window must not be NULL") );
+ m_targetWindow = target;
+}
+
+wxWindow *wxScrollHelper::GetTargetWindow() const
+{
+ return m_targetWindow;
+}
+
+// ----------------------------------------------------------------------------
+// scrolling implementation itself
+// ----------------------------------------------------------------------------
+
+void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
+{
+ int nScrollInc = CalcScrollInc(event);
+ if ( nScrollInc == 0 )
+ {
+ // can't scroll further
+ event.Skip();
+
+ return;
+ }
+
+ int orient = event.GetOrientation();
+ if (orient == wxHORIZONTAL)
+ {
+ m_xScrollPosition += nScrollInc;
+ m_targetWindow->SetScrollPos(wxHORIZONTAL, m_xScrollPosition, FALSE);
+ }
+ else
+ {
+ m_yScrollPosition += nScrollInc;
+ m_targetWindow->SetScrollPos(wxVERTICAL, m_yScrollPosition, FALSE);
+ }
+
+ bool needsRefresh = FALSE;
+ int dx = 0,
+ dy = 0;
+ if (orient == wxHORIZONTAL)
+ {
+ if ( m_xScrollingEnabled )
+ {
+ dx = -m_xScrollPixelsPerLine * nScrollInc;
+ }
+ else
+ {
+ needsRefresh = TRUE;
+ }
+ }
+ else
+ {
+ if ( m_yScrollingEnabled )
+ {
+ dy = -m_yScrollPixelsPerLine * nScrollInc;
+ }
+ else
+ {
+ needsRefresh = TRUE;
+ }
+ }
+
+ if ( needsRefresh )
+ {
+ m_targetWindow->Refresh(TRUE, GetRect());
+ }
+ else
+ {
+ m_targetWindow->ScrollWindow(dx, dy, GetRect());
+ }
+
+#ifdef __WXMAC__
+ m_targetWindow->MacUpdateImmediately() ;
+#endif
+}
+
+int wxScrollHelper::CalcScrollInc(wxScrollWinEvent& event)
+{
+ int pos = event.GetPosition();
+ int orient = event.GetOrientation();
+
+ int nScrollInc = 0;
+ if (event.GetEventType() == wxEVT_SCROLLWIN_TOP)
+ {
+ if (orient == wxHORIZONTAL)
+ nScrollInc = - m_xScrollPosition;
+ else
+ nScrollInc = - m_yScrollPosition;
+ } else
+ if (event.GetEventType() == wxEVT_SCROLLWIN_BOTTOM)
+ {
+ if (orient == wxHORIZONTAL)
+ nScrollInc = m_xScrollLines - m_xScrollPosition;
+ else
+ nScrollInc = m_yScrollLines - m_yScrollPosition;
+ } else
+ if (event.GetEventType() == wxEVT_SCROLLWIN_LINEUP)
+ {
+ nScrollInc = -1;
+ } else
+ if (event.GetEventType() == wxEVT_SCROLLWIN_LINEDOWN)
+ {
+ nScrollInc = 1;
+ } else
+ if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEUP)
+ {
+ if (orient == wxHORIZONTAL)
+ nScrollInc = -GetScrollPageSize(wxHORIZONTAL);
+ else
+ nScrollInc = -GetScrollPageSize(wxVERTICAL);
+ } else
+ if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEDOWN)
+ {
+ if (orient == wxHORIZONTAL)
+ nScrollInc = GetScrollPageSize(wxHORIZONTAL);
+ else
+ nScrollInc = GetScrollPageSize(wxVERTICAL);
+ } else
+ if ((event.GetEventType() == wxEVT_SCROLLWIN_THUMBTRACK) ||
+ (event.GetEventType() == wxEVT_SCROLLWIN_THUMBRELEASE))
+ {
+ if (orient == wxHORIZONTAL)
+ nScrollInc = pos - m_xScrollPosition;
+ else
+ nScrollInc = pos - m_yScrollPosition;
+ }
+
+ if (orient == wxHORIZONTAL)
+ {
+ if (m_xScrollPixelsPerLine > 0)
+ {
+ int w, h;
+ GetTargetSize(&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(TRUE, GetRect());
+ }
+ else
+ {
+ if (m_yScrollPixelsPerLine > 0)
+ {
+ int w, h;
+ GetTargetSize(&w, &h);
+
+ 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
+ }
+ else
+ m_targetWindow->Refresh(TRUE, GetRect());
+ }
+
+ return nScrollInc;
+}
+
+// Adjust the scrollbars - new version.
+void wxScrollHelper::AdjustScrollbars()
+{
+#ifdef __WXMAC__
+ m_targetWindow->MacUpdateImmediately();
+#endif
+
+ int w, h;
+ GetTargetSize(&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/(double)m_xScrollPixelsPerLine) + 0.5 );
+ if (noPagePositions < 1) noPagePositions = 1;
+ if ( noPagePositions > m_xScrollLines )
+ noPagePositions = m_xScrollLines;
+
+ // 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);
+ m_xScrollPosition = wxMax( 0, m_xScrollPosition );
+
+ m_targetWindow->SetScrollbar(wxHORIZONTAL, m_xScrollPosition, noPagePositions, m_xScrollLines);
+ // The amount by which we scroll when paging
+ SetScrollPageSize(wxHORIZONTAL, noPagePositions);
+ }
+ else
+ {
+ m_xScrollPosition = 0;
+ m_targetWindow->SetScrollbar (wxHORIZONTAL, 0, 0, 0, FALSE);
+ }
+
+ if (m_yScrollLines > 0)
+ {
+ // 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;
+ if ( noPagePositions > m_yScrollLines )
+ noPagePositions = m_yScrollLines;
+
+ // Correct position if greater than extent of canvas minus
+ // the visible portion of it or if below zero
+ m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition );
+ m_yScrollPosition = wxMax( 0, m_yScrollPosition );
+
+ m_targetWindow->SetScrollbar(wxVERTICAL, m_yScrollPosition, noPagePositions, m_yScrollLines);
+ // The amount by which we scroll when paging
+ SetScrollPageSize(wxVERTICAL, noPagePositions);
+ }
+ else
+ {
+ m_yScrollPosition = 0;
+ m_targetWindow->SetScrollbar (wxVERTICAL, 0, 0, 0, FALSE);
+ }
+
+ if (oldXScroll != m_xScrollPosition)
+ {
+ if (m_xScrollingEnabled)
+ m_targetWindow->ScrollWindow( m_xScrollPixelsPerLine * (oldXScroll-m_xScrollPosition), 0,
+ GetRect() );
+ else
+ m_targetWindow->Refresh(TRUE, GetRect());
+ }
+
+ if (oldYScroll != m_yScrollPosition)
+ {
+ if (m_yScrollingEnabled)
+ m_targetWindow->ScrollWindow( 0, m_yScrollPixelsPerLine * (oldYScroll-m_yScrollPosition),
+ GetRect() );
+ else
+ m_targetWindow->Refresh(TRUE, GetRect());
+ }
+
+#ifdef __WXMAC__
+ m_targetWindow->MacUpdateImmediately();
+#endif
+}
+
+void wxScrollHelper::DoPrepareDC(wxDC& dc)
+{
+ wxPoint pt = dc.GetDeviceOrigin();
+ dc.SetDeviceOrigin( pt.x - m_xScrollPosition * m_xScrollPixelsPerLine,
+ pt.y - m_yScrollPosition * m_yScrollPixelsPerLine );
+ dc.SetUserScale( m_scaleX, m_scaleY );
+}
+
+void wxScrollHelper::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const
+{
+ if ( x_unit )
+ *x_unit = m_xScrollPixelsPerLine;
+ if ( y_unit )
+ *y_unit = m_yScrollPixelsPerLine;
+}
+
+int wxScrollHelper::GetScrollPageSize(int orient) const
+{
+ if ( orient == wxHORIZONTAL )
+ return m_xScrollLinesPerPage;
+ else
+ return m_yScrollLinesPerPage;
+}
+
+void wxScrollHelper::SetScrollPageSize(int orient, int pageSize)
+{
+ if ( orient == wxHORIZONTAL )
+ m_xScrollLinesPerPage = pageSize;
+ else
+ m_yScrollLinesPerPage = pageSize;
+}
+
+/*
+ * Scroll to given position (scroll position, not pixel position)
+ */
+void wxScrollHelper::Scroll( int x_pos, int y_pos )
+{
+ if (!m_targetWindow)
+ return;
+
+ if (((x_pos == -1) || (x_pos == m_xScrollPosition)) &&
+ ((y_pos == -1) || (y_pos == m_yScrollPosition))) return;
+
+#ifdef __WXMAC__
+ m_targetWindow->MacUpdateImmediately();
+#endif
+
+ int w, h;
+ GetTargetSize(&w, &h);
+
+ if ((x_pos != -1) && (m_xScrollPixelsPerLine))
+ {
+ 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/(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 );
+ m_xScrollPosition = wxMax( 0, m_xScrollPosition );
+
+ if (old_x != m_xScrollPosition) {
+ m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, FALSE );
+ m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0,
+ GetRect() );
+ }
+ }
+ if ((y_pos != -1) && (m_yScrollPixelsPerLine))
+ {
+ 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/(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
+ m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition );
+ m_yScrollPosition = wxMax( 0, m_yScrollPosition );
+
+ if (old_y != m_yScrollPosition) {
+ m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition, FALSE );
+ m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine,
+ GetRect() );
+ }
+ }
+
+#ifdef __WXMAC__
+ m_targetWindow->MacUpdateImmediately();
+#endif
+
+}
+
+void wxScrollHelper::EnableScrolling (bool x_scroll, bool y_scroll)
+{
+ m_xScrollingEnabled = x_scroll;
+ m_yScrollingEnabled = y_scroll;
+}
+
+void wxScrollHelper::GetVirtualSize (int *x, int *y) const
+{
+ if ( x )
+ *x = m_xScrollPixelsPerLine * m_xScrollLines;
+ if ( y )
+ *y = m_yScrollPixelsPerLine * m_yScrollLines;
+}
+
+// Where the current view starts from
+void wxScrollHelper::GetViewStart (int *x, int *y) const
+{
+ if ( x )
+ *x = m_xScrollPosition;
+ if ( y )
+ *y = m_yScrollPosition;
+}
+
+void wxScrollHelper::CalcScrolledPosition(int x, int y, int *xx, int *yy) const
+{
+ if ( xx )
+ *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine;
+ if ( yy )
+ *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine;
+}
+
+void wxScrollHelper::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
+{
+ if ( xx )
+ *xx = x + m_xScrollPosition * m_xScrollPixelsPerLine;
+ if ( yy )
+ *yy = y + m_yScrollPosition * m_yScrollPixelsPerLine;
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+// Default OnSize resets scrollbars, if any
+void wxScrollHelper::HandleOnSize(wxSizeEvent& WXUNUSED(event))
+{
+#if wxUSE_CONSTRAINTS
+ if ( m_targetWindow->GetAutoLayout() )
+ m_targetWindow->Layout();
+#endif
+
+ AdjustScrollbars();
+}
+
+// This calls OnDraw, having adjusted the origin according to the current
+// scroll position
+void wxScrollHelper::HandleOnPaint(wxPaintEvent& WXUNUSED(event))
+{
+ wxPaintDC dc(m_targetWindow);
+ DoPrepareDC(dc);
+
+ OnDraw(dc);
+}
+
+// kbd handling: notice that we use OnChar() and not OnKeyDown() for
+// compatibility here - if we used OnKeyDown(), the programs which process
+// arrows themselves in their OnChar() would never get the message and like
+// this they always have the priority
+void wxScrollHelper::HandleOnChar(wxKeyEvent& event)
+{
+ int stx, sty, // view origin
+ szx, szy, // view size (total)
+ clix, cliy; // view size (on screen)
+
+ GetViewStart(&stx, &sty);
+ GetTargetSize(&clix, &cliy);
+ GetVirtualSize(&szx, &szy);
+
+ 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;
+ }
+
+ int dsty;
+ switch ( event.KeyCode() )
+ {
+ case WXK_PAGEUP:
+ case WXK_PRIOR:
+ dsty = sty - (5 * cliy / 6);
+ Scroll(-1, (dsty == -1) ? 0 : dsty);
+ break;
+
+ case WXK_PAGEDOWN:
+ case WXK_NEXT:
+ Scroll(-1, sty + (5 * cliy / 6));
+ break;
+
+ case WXK_HOME:
+ Scroll(0, event.ControlDown() ? 0 : -1);
+ break;
+
+ case WXK_END:
+ Scroll(szx - clix, event.ControlDown() ? szy - cliy : -1);
+ break;
+
+ case WXK_UP:
+ Scroll(-1, sty - 1);
+ break;
+
+ case WXK_DOWN:
+ Scroll(-1, sty + 1);
+ break;
+
+ case WXK_LEFT:
+ Scroll(stx - 1, -1);
+ break;
+
+ case WXK_RIGHT:
+ Scroll(stx + 1, -1);
+ break;
+
+ default:
+ // not for us
+ event.Skip();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// autoscroll stuff: these functions deal with sending fake scroll events when
+// a captured mouse is being held outside the window
+// ----------------------------------------------------------------------------
+
+bool wxScrollHelper::SendAutoScrollEvents(wxScrollWinEvent& event) const
+{
+ // only send the event if the window is scrollable in this direction
+ wxWindow *win = (wxWindow *)event.GetEventObject();
+ return win->HasScrollbar(event.GetOrientation());
+}
+
+void wxScrollHelper::StopAutoScrolling()
+{
+ if ( m_timerAutoScroll )
+ {
+ delete m_timerAutoScroll;
+ m_timerAutoScroll = (wxTimer *)NULL;
+ }
+}
+
+void wxScrollHelper::HandleOnMouseEnter(wxMouseEvent& event)
+{
+ StopAutoScrolling();
+
+ event.Skip();
+}
+
+void wxScrollHelper::HandleOnMouseLeave(wxMouseEvent& event)
+{
+ // don't prevent the usual processing of the event from taking place
+ event.Skip();
+
+ // when a captured mouse leave a scrolled window we start generate
+ // scrolling events to allow, for example, extending selection beyond the
+ // visible area in some controls
+ if ( wxWindow::GetCapture() == m_targetWindow )
+ {
+ // where is the mouse leaving?
+ int pos, orient;
+ wxPoint pt = event.GetPosition();
+ if ( pt.x < 0 )
+ {
+ orient = wxHORIZONTAL;
+ pos = 0;
+ }
+ else if ( pt.y < 0 )
+ {
+ orient = wxVERTICAL;
+ pos = 0;
+ }
+ else // we're lower or to the right of the window
+ {
+ wxSize size = m_targetWindow->GetClientSize();
+ if ( pt.x > size.x )
+ {
+ orient = wxHORIZONTAL;
+ pos = m_xScrollLines;
+ }
+ else if ( pt.y > size.y )
+ {
+ orient = wxVERTICAL;
+ pos = m_yScrollLines;
+ }
+ else // this should be impossible
+ {
+ // 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") );
+
+ return;
+ }
+ }
+
+ // only start the auto scroll timer if the window can be scrolled in
+ // this direction
+ if ( !m_targetWindow->HasScrollbar(orient) )
+ return;
+
+ delete m_timerAutoScroll;
+ m_timerAutoScroll = new wxAutoScrollTimer
+ (
+ m_targetWindow, this,
+ pos == 0 ? wxEVT_SCROLLWIN_LINEUP
+ : wxEVT_SCROLLWIN_LINEDOWN,
+ pos,
+ orient
+ );
+ m_timerAutoScroll->Start(50); // FIXME: make configurable
+ }
+}
+
+#if wxUSE_MOUSEWHEEL
+
+void wxScrollHelper::HandleOnMouseWheel(wxMouseEvent& event)
+{
+ m_wheelRotation += event.GetWheelRotation();
+ int lines = m_wheelRotation / event.GetWheelDelta();
+ m_wheelRotation -= lines * event.GetWheelDelta();
+
+ if (lines != 0)
+ {
+ lines *= event.GetLinesPerAction();
+
+ int vsx, vsy;
+ GetViewStart(&vsx, &vsy);
+ Scroll(-1, vsy - lines);
+ }
+}
+
+#endif // wxUSE_MOUSEWHEEL
+
+// ----------------------------------------------------------------------------
+// wxGenericScrolledWindow implementation
+// ----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxGenericScrolledWindow, wxPanel)
+
+bool wxGenericScrolledWindow::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name)
+{
+ m_targetWindow = this;
+
+ bool ok = wxPanel::Create(parent, id, pos, size, style, name);
+
+#ifdef __WXMSW__
+ // we need to process arrows ourselves for scrolling
+ m_lDlgCode |= DLGC_WANTARROWS;
+#endif // __WXMSW__
+
+ return ok;
+}
+
+wxGenericScrolledWindow::~wxGenericScrolledWindow()
+{
+}
+
+#if WXWIN_COMPATIBILITY
+void wxGenericScrolledWindow::GetScrollUnitsPerPage (int *x_page, int *y_page) const
+{
+ *x_page = GetScrollPageSize(wxHORIZONTAL);
+ *y_page = GetScrollPageSize(wxVERTICAL);
+}
+
+void wxGenericScrolledWindow::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
+
+#endif // !wxGTK
+
+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: generic/scrolwin.cpp
-// Purpose: wxGenericScrolledWindow implementation
-// Author: Julian Smart
-// Modified by: Vadim Zeitlin on 31.08.00: wxScrollHelper allows to implement
-// Created: 01/02/97
-// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
-// Licence: wxWindows license
-/////////////////////////////////////////////////////////////////////////////
-
-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
-#ifdef __GNUG__
- #pragma implementation "scrolwin.h"
-#endif
-
-#ifdef __VMS
-#define XtDisplay XTDISPLAY
-#endif
-
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-
-#include "wx/utils.h"
-#include "wx/dcclient.h"
-
-#include "wx/scrolwin.h"
-#include "wx/panel.h"
-#include "wx/timer.h"
-
-#ifdef __WXMSW__
- #include <windows.h> // for DLGC_WANTARROWS
-#endif
-
-#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 <Xm/Xm.h>
-#ifdef __VMS__
-# pragma message enable nosimpint
-#endif
-#endif
-
-#ifndef __WXGTK__
-IMPLEMENT_CLASS(wxScrolledWindow, wxGenericScrolledWindow)
-#endif
-
-// ----------------------------------------------------------------------------
-// wxScrollHelperEvtHandler: intercept the events from the window and forward
-// them to wxScrollHelper
-// ----------------------------------------------------------------------------
-
-class wxScrollHelperEvtHandler : public wxEvtHandler
-{
-public:
- wxScrollHelperEvtHandler(wxScrollHelper *scrollHelper)
- {
- m_scrollHelper = scrollHelper;
- }
-
- virtual bool ProcessEvent(wxEvent& event);
-
-private:
- wxScrollHelper *m_scrollHelper;
-};
-
-// ----------------------------------------------------------------------------
-// wxAutoScrollTimer: the timer used to generate a stream of scroll events when
-// a captured mouse is held outside the window
-// ----------------------------------------------------------------------------
-
-class wxAutoScrollTimer : public wxTimer
-{
-public:
- wxAutoScrollTimer(wxWindow *winToScroll, wxScrollHelper *scroll,
- wxEventType eventTypeToSend,
- int pos, int orient);
-
- virtual void Notify();
-
-private:
- wxWindow *m_win;
- wxScrollHelper *m_scrollHelper;
- wxEventType m_eventType;
- int m_pos,
- m_orient;
-};
-
-// ============================================================================
-// implementation
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// wxAutoScrollTimer
-// ----------------------------------------------------------------------------
-
-wxAutoScrollTimer::wxAutoScrollTimer(wxWindow *winToScroll,
- wxScrollHelper *scroll,
- wxEventType eventTypeToSend,
- int pos, int orient)
-{
- m_win = winToScroll;
- m_scrollHelper = scroll;
- m_eventType = eventTypeToSend;
- m_pos = pos;
- m_orient = orient;
-}
-
-void wxAutoScrollTimer::Notify()
-{
- // only do all this as long as the window is capturing the mouse
- if ( wxWindow::GetCapture() != m_win )
- {
- Stop();
- }
- else // we still capture the mouse, continue generating events
- {
- // first scroll the window if we are allowed to do it
- wxScrollWinEvent event1(m_eventType, m_pos, m_orient);
- event1.SetEventObject(m_win);
- if ( m_scrollHelper->SendAutoScrollEvents(event1) &&
- m_win->GetEventHandler()->ProcessEvent(event1) )
- {
- // and then send a pseudo mouse-move event to refresh the selection
- wxMouseEvent event2(wxEVT_MOTION);
- wxGetMousePosition(&event2.m_x, &event2.m_y);
-
- // the mouse event coordinates should be client, not screen as
- // returned by wxGetMousePosition
- wxWindow *parentTop = m_win;
- while ( parentTop->GetParent() )
- parentTop = parentTop->GetParent();
- wxPoint ptOrig = parentTop->GetPosition();
- event2.m_x -= ptOrig.x;
- event2.m_y -= ptOrig.y;
-
- event2.SetEventObject(m_win);
-
- // FIXME: we don't fill in the other members - ok?
-
- m_win->GetEventHandler()->ProcessEvent(event2);
- }
- else // can't scroll further, stop
- {
- Stop();
- }
- }
-}
-
-// ----------------------------------------------------------------------------
-// wxScrollHelperEvtHandler
-// ----------------------------------------------------------------------------
-
-bool wxScrollHelperEvtHandler::ProcessEvent(wxEvent& event)
-{
- if ( wxEvtHandler::ProcessEvent(event) )
- return TRUE;
-
- // reset the skipped flag to FALSE as it might have been set to TRUE in
- // ProcessEvent() above
- event.Skip(FALSE);
-
- wxEventType evType = event.GetEventType();
-
- if ( evType == wxEVT_PAINT )
- {
- m_scrollHelper->HandleOnPaint((wxPaintEvent &)event);
- return TRUE;
- }
-
- if ( evType == wxEVT_SCROLLWIN_TOP ||
- evType == wxEVT_SCROLLWIN_BOTTOM ||
- evType == wxEVT_SCROLLWIN_LINEUP ||
- evType == wxEVT_SCROLLWIN_LINEDOWN ||
- evType == wxEVT_SCROLLWIN_PAGEUP ||
- evType == wxEVT_SCROLLWIN_PAGEDOWN ||
- evType == wxEVT_SCROLLWIN_THUMBTRACK ||
- evType == wxEVT_SCROLLWIN_THUMBRELEASE )
- {
- m_scrollHelper->HandleOnScroll((wxScrollWinEvent &)event);
- return !event.GetSkipped();
- }
-
- if ( evType == wxEVT_ENTER_WINDOW )
- {
- m_scrollHelper->HandleOnMouseEnter((wxMouseEvent &)event);
- }
- else if ( evType == wxEVT_LEAVE_WINDOW )
- {
- m_scrollHelper->HandleOnMouseLeave((wxMouseEvent &)event);
- }
-#if wxUSE_MOUSEWHEEL
- else if ( evType == wxEVT_MOUSEWHEEL )
- {
- m_scrollHelper->HandleOnMouseWheel((wxMouseEvent &)event);
- }
-#endif // wxUSE_MOUSEWHEEL
- else if ( evType == wxEVT_SIZE )
- {
- m_scrollHelper->HandleOnSize((wxSizeEvent &)event);
- }
- else if ( evType == wxEVT_CHAR )
- {
- m_scrollHelper->HandleOnChar((wxKeyEvent &)event);
- return !event.GetSkipped();
- }
-
- return FALSE;
-}
-
-// ----------------------------------------------------------------------------
-// wxScrollHelper construction
-// ----------------------------------------------------------------------------
-
-wxScrollHelper::wxScrollHelper(wxWindow *win)
-{
- m_xScrollPixelsPerLine =
- m_yScrollPixelsPerLine =
- m_xScrollPosition =
- m_yScrollPosition =
- m_xScrollLines =
- m_yScrollLines =
- m_xScrollLinesPerPage =
- m_yScrollLinesPerPage = 0;
-
- m_xScrollingEnabled =
- m_yScrollingEnabled = TRUE;
-
- m_scaleX =
- m_scaleY = 1.0;
-#if wxUSE_MOUSEWHEEL
- m_wheelRotation = 0;
-#endif
-
- m_win =
- m_targetWindow = (wxWindow *)NULL;
-
- m_timerAutoScroll = (wxTimer *)NULL;
-
- if ( win )
- SetWindow(win);
-}
-
-void wxScrollHelper::SetWindow(wxWindow *win)
-{
- wxCHECK_RET( win, _T("wxScrollHelper needs a window to scroll") );
-
- m_targetWindow = m_win = win;
-
- // install the event handler which will intercept the events we're
- // interested in
- m_win->PushEventHandler(new wxScrollHelperEvtHandler(this));
-}
-
-wxScrollHelper::~wxScrollHelper()
-{
- StopAutoScrolling();
-
- if ( m_targetWindow )
- m_targetWindow->PopEventHandler(TRUE /* do delete it */);
-}
-
-// ----------------------------------------------------------------------------
-// setting scrolling parameters
-// ----------------------------------------------------------------------------
-
-void wxScrollHelper::SetScrollbars(int pixelsPerUnitX,
- int pixelsPerUnitY,
- int noUnitsX,
- int noUnitsY,
- int xPos,
- int yPos,
- bool noRefresh)
-{
- int xpos, ypos;
-
- CalcUnscrolledPosition(xPos, yPos, &xpos, &ypos);
- bool do_refresh =
- (
- (noUnitsX != 0 && m_xScrollLines == 0) ||
- (noUnitsX < m_xScrollLines && xpos > pixelsPerUnitX*noUnitsX) ||
-
- (noUnitsY != 0 && m_yScrollLines == 0) ||
- (noUnitsY < m_yScrollLines && ypos > pixelsPerUnitY*noUnitsY) ||
- (xPos != m_xScrollPosition) ||
- (yPos != m_yScrollPosition)
- );
-
- m_xScrollPixelsPerLine = pixelsPerUnitX;
- m_yScrollPixelsPerLine = pixelsPerUnitY;
- m_xScrollPosition = xPos;
- 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_targetWindow->GetWindowStyle() & wxRETAINED )
- {
- Display* dpy = XtDisplay((Widget)m_targetWindow->GetMainWidget());
-
- int totalPixelWidth = m_xScrollLines * m_xScrollPixelsPerLine;
- int totalPixelHeight = m_yScrollLines * m_yScrollPixelsPerLine;
- if (m_targetWindow->m_backingPixmap &&
- !((m_targetWindow->m_pixmapWidth == totalPixelWidth) &&
- (m_targetWindow->m_pixmapHeight == totalPixelHeight)))
- {
- XFreePixmap (dpy, (Pixmap) m_targetWindow->m_backingPixmap);
- m_targetWindow->m_backingPixmap = (WXPixmap) 0;
- }
-
- if (!m_targetWindow->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 // Motif
-
- AdjustScrollbars();
-
- if (do_refresh && !noRefresh)
- m_targetWindow->Refresh(TRUE, GetRect());
-
-#ifdef __WXMAC__
- m_targetWindow->MacUpdateImmediately() ;
-#endif
-}
-
-// ----------------------------------------------------------------------------
-// target window handling
-// ----------------------------------------------------------------------------
-
-void wxScrollHelper::SetTargetWindow( wxWindow *target )
-{
- wxASSERT_MSG( target, wxT("target window must not be NULL") );
- m_targetWindow = target;
-}
-
-wxWindow *wxScrollHelper::GetTargetWindow() const
-{
- return m_targetWindow;
-}
-
-// ----------------------------------------------------------------------------
-// scrolling implementation itself
-// ----------------------------------------------------------------------------
-
-void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
-{
- int nScrollInc = CalcScrollInc(event);
- if ( nScrollInc == 0 )
- {
- // can't scroll further
- event.Skip();
-
- return;
- }
-
- int orient = event.GetOrientation();
- if (orient == wxHORIZONTAL)
- {
- m_xScrollPosition += nScrollInc;
- m_targetWindow->SetScrollPos(wxHORIZONTAL, m_xScrollPosition, FALSE);
- }
- else
- {
- m_yScrollPosition += nScrollInc;
- m_targetWindow->SetScrollPos(wxVERTICAL, m_yScrollPosition, FALSE);
- }
-
- bool needsRefresh = FALSE;
- int dx = 0,
- dy = 0;
- if (orient == wxHORIZONTAL)
- {
- if ( m_xScrollingEnabled )
- {
- dx = -m_xScrollPixelsPerLine * nScrollInc;
- }
- else
- {
- needsRefresh = TRUE;
- }
- }
- else
- {
- if ( m_yScrollingEnabled )
- {
- dy = -m_yScrollPixelsPerLine * nScrollInc;
- }
- else
- {
- needsRefresh = TRUE;
- }
- }
-
- if ( needsRefresh )
- {
- m_targetWindow->Refresh(TRUE, GetRect());
- }
- else
- {
- m_targetWindow->ScrollWindow(dx, dy, GetRect());
- }
-
-#ifdef __WXMAC__
- m_targetWindow->MacUpdateImmediately() ;
-#endif
-}
-
-int wxScrollHelper::CalcScrollInc(wxScrollWinEvent& event)
-{
- int pos = event.GetPosition();
- int orient = event.GetOrientation();
-
- int nScrollInc = 0;
- if (event.GetEventType() == wxEVT_SCROLLWIN_TOP)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = - m_xScrollPosition;
- else
- nScrollInc = - m_yScrollPosition;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_BOTTOM)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = m_xScrollLines - m_xScrollPosition;
- else
- nScrollInc = m_yScrollLines - m_yScrollPosition;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_LINEUP)
- {
- nScrollInc = -1;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_LINEDOWN)
- {
- nScrollInc = 1;
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEUP)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = -GetScrollPageSize(wxHORIZONTAL);
- else
- nScrollInc = -GetScrollPageSize(wxVERTICAL);
- } else
- if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEDOWN)
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = GetScrollPageSize(wxHORIZONTAL);
- else
- nScrollInc = GetScrollPageSize(wxVERTICAL);
- } else
- if ((event.GetEventType() == wxEVT_SCROLLWIN_THUMBTRACK) ||
- (event.GetEventType() == wxEVT_SCROLLWIN_THUMBRELEASE))
- {
- if (orient == wxHORIZONTAL)
- nScrollInc = pos - m_xScrollPosition;
- else
- nScrollInc = pos - m_yScrollPosition;
- }
-
- if (orient == wxHORIZONTAL)
- {
- if (m_xScrollPixelsPerLine > 0)
- {
- int w, h;
- GetTargetSize(&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(TRUE, GetRect());
- }
- else
- {
- if (m_yScrollPixelsPerLine > 0)
- {
- int w, h;
- GetTargetSize(&w, &h);
-
- 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
- }
- else
- m_targetWindow->Refresh(TRUE, GetRect());
- }
-
- return nScrollInc;
-}
-
-// Adjust the scrollbars - new version.
-void wxScrollHelper::AdjustScrollbars()
-{
-#ifdef __WXMAC__
- m_targetWindow->MacUpdateImmediately();
-#endif
-
- int w, h;
- GetTargetSize(&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/(double)m_xScrollPixelsPerLine) + 0.5 );
- if (noPagePositions < 1) noPagePositions = 1;
- if ( noPagePositions > m_xScrollLines )
- noPagePositions = m_xScrollLines;
-
- // 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);
- m_xScrollPosition = wxMax( 0, m_xScrollPosition );
-
- m_targetWindow->SetScrollbar(wxHORIZONTAL, m_xScrollPosition, noPagePositions, m_xScrollLines);
- // The amount by which we scroll when paging
- SetScrollPageSize(wxHORIZONTAL, noPagePositions);
- }
- else
- {
- m_xScrollPosition = 0;
- m_targetWindow->SetScrollbar (wxHORIZONTAL, 0, 0, 0, FALSE);
- }
-
- if (m_yScrollLines > 0)
- {
- // 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;
- if ( noPagePositions > m_yScrollLines )
- noPagePositions = m_yScrollLines;
-
- // Correct position if greater than extent of canvas minus
- // the visible portion of it or if below zero
- m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition );
- m_yScrollPosition = wxMax( 0, m_yScrollPosition );
-
- m_targetWindow->SetScrollbar(wxVERTICAL, m_yScrollPosition, noPagePositions, m_yScrollLines);
- // The amount by which we scroll when paging
- SetScrollPageSize(wxVERTICAL, noPagePositions);
- }
- else
- {
- m_yScrollPosition = 0;
- m_targetWindow->SetScrollbar (wxVERTICAL, 0, 0, 0, FALSE);
- }
-
- if (oldXScroll != m_xScrollPosition)
- {
- if (m_xScrollingEnabled)
- m_targetWindow->ScrollWindow( m_xScrollPixelsPerLine * (oldXScroll-m_xScrollPosition), 0,
- GetRect() );
- else
- m_targetWindow->Refresh(TRUE, GetRect());
- }
-
- if (oldYScroll != m_yScrollPosition)
- {
- if (m_yScrollingEnabled)
- m_targetWindow->ScrollWindow( 0, m_yScrollPixelsPerLine * (oldYScroll-m_yScrollPosition),
- GetRect() );
- else
- m_targetWindow->Refresh(TRUE, GetRect());
- }
-
-#ifdef __WXMAC__
- m_targetWindow->MacUpdateImmediately();
-#endif
-}
-
-void wxScrollHelper::DoPrepareDC(wxDC& dc)
-{
- wxPoint pt = dc.GetDeviceOrigin();
- dc.SetDeviceOrigin( pt.x - m_xScrollPosition * m_xScrollPixelsPerLine,
- pt.y - m_yScrollPosition * m_yScrollPixelsPerLine );
- dc.SetUserScale( m_scaleX, m_scaleY );
-}
-
-void wxScrollHelper::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const
-{
- if ( x_unit )
- *x_unit = m_xScrollPixelsPerLine;
- if ( y_unit )
- *y_unit = m_yScrollPixelsPerLine;
-}
-
-int wxScrollHelper::GetScrollPageSize(int orient) const
-{
- if ( orient == wxHORIZONTAL )
- return m_xScrollLinesPerPage;
- else
- return m_yScrollLinesPerPage;
-}
-
-void wxScrollHelper::SetScrollPageSize(int orient, int pageSize)
-{
- if ( orient == wxHORIZONTAL )
- m_xScrollLinesPerPage = pageSize;
- else
- m_yScrollLinesPerPage = pageSize;
-}
-
-/*
- * Scroll to given position (scroll position, not pixel position)
- */
-void wxScrollHelper::Scroll( int x_pos, int y_pos )
-{
- if (!m_targetWindow)
- return;
-
- if (((x_pos == -1) || (x_pos == m_xScrollPosition)) &&
- ((y_pos == -1) || (y_pos == m_yScrollPosition))) return;
-
-#ifdef __WXMAC__
- m_targetWindow->MacUpdateImmediately();
-#endif
-
- int w, h;
- GetTargetSize(&w, &h);
-
- if ((x_pos != -1) && (m_xScrollPixelsPerLine))
- {
- 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/(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 );
- m_xScrollPosition = wxMax( 0, m_xScrollPosition );
-
- if (old_x != m_xScrollPosition) {
- m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, FALSE );
- m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0,
- GetRect() );
- }
- }
- if ((y_pos != -1) && (m_yScrollPixelsPerLine))
- {
- 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/(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
- m_yScrollPosition = wxMin( m_yScrollLines-noPagePositions, m_yScrollPosition );
- m_yScrollPosition = wxMax( 0, m_yScrollPosition );
-
- if (old_y != m_yScrollPosition) {
- m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition, FALSE );
- m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine,
- GetRect() );
- }
- }
-
-#ifdef __WXMAC__
- m_targetWindow->MacUpdateImmediately();
-#endif
-
-}
-
-void wxScrollHelper::EnableScrolling (bool x_scroll, bool y_scroll)
-{
- m_xScrollingEnabled = x_scroll;
- m_yScrollingEnabled = y_scroll;
-}
-
-void wxScrollHelper::GetVirtualSize (int *x, int *y) const
-{
- if ( x )
- *x = m_xScrollPixelsPerLine * m_xScrollLines;
- if ( y )
- *y = m_yScrollPixelsPerLine * m_yScrollLines;
-}
-
-// Where the current view starts from
-void wxScrollHelper::GetViewStart (int *x, int *y) const
-{
- if ( x )
- *x = m_xScrollPosition;
- if ( y )
- *y = m_yScrollPosition;
-}
-
-void wxScrollHelper::CalcScrolledPosition(int x, int y, int *xx, int *yy) const
-{
- if ( xx )
- *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine;
- if ( yy )
- *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine;
-}
-
-void wxScrollHelper::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
-{
- if ( xx )
- *xx = x + m_xScrollPosition * m_xScrollPixelsPerLine;
- if ( yy )
- *yy = y + m_yScrollPosition * m_yScrollPixelsPerLine;
-}
-
-// ----------------------------------------------------------------------------
-// event handlers
-// ----------------------------------------------------------------------------
-
-// Default OnSize resets scrollbars, if any
-void wxScrollHelper::HandleOnSize(wxSizeEvent& WXUNUSED(event))
-{
-#if wxUSE_CONSTRAINTS
- if ( m_targetWindow->GetAutoLayout() )
- m_targetWindow->Layout();
-#endif
-
- AdjustScrollbars();
-}
-
-// This calls OnDraw, having adjusted the origin according to the current
-// scroll position
-void wxScrollHelper::HandleOnPaint(wxPaintEvent& WXUNUSED(event))
-{
- wxPaintDC dc(m_targetWindow);
- DoPrepareDC(dc);
-
- OnDraw(dc);
-}
-
-// kbd handling: notice that we use OnChar() and not OnKeyDown() for
-// compatibility here - if we used OnKeyDown(), the programs which process
-// arrows themselves in their OnChar() would never get the message and like
-// this they always have the priority
-void wxScrollHelper::HandleOnChar(wxKeyEvent& event)
-{
- int stx, sty, // view origin
- szx, szy, // view size (total)
- clix, cliy; // view size (on screen)
-
- GetViewStart(&stx, &sty);
- GetTargetSize(&clix, &cliy);
- GetVirtualSize(&szx, &szy);
-
- 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;
- }
-
- int dsty;
- switch ( event.KeyCode() )
- {
- case WXK_PAGEUP:
- case WXK_PRIOR:
- dsty = sty - (5 * cliy / 6);
- Scroll(-1, (dsty == -1) ? 0 : dsty);
- break;
-
- case WXK_PAGEDOWN:
- case WXK_NEXT:
- Scroll(-1, sty + (5 * cliy / 6));
- break;
-
- case WXK_HOME:
- Scroll(0, event.ControlDown() ? 0 : -1);
- break;
-
- case WXK_END:
- Scroll(szx - clix, event.ControlDown() ? szy - cliy : -1);
- break;
-
- case WXK_UP:
- Scroll(-1, sty - 1);
- break;
-
- case WXK_DOWN:
- Scroll(-1, sty + 1);
- break;
-
- case WXK_LEFT:
- Scroll(stx - 1, -1);
- break;
-
- case WXK_RIGHT:
- Scroll(stx + 1, -1);
- break;
-
- default:
- // not for us
- event.Skip();
- }
-}
-
-// ----------------------------------------------------------------------------
-// autoscroll stuff: these functions deal with sending fake scroll events when
-// a captured mouse is being held outside the window
-// ----------------------------------------------------------------------------
-
-bool wxScrollHelper::SendAutoScrollEvents(wxScrollWinEvent& event) const
-{
- // only send the event if the window is scrollable in this direction
- wxWindow *win = (wxWindow *)event.GetEventObject();
- return win->HasScrollbar(event.GetOrientation());
-}
-
-void wxScrollHelper::StopAutoScrolling()
-{
- if ( m_timerAutoScroll )
- {
- delete m_timerAutoScroll;
- m_timerAutoScroll = (wxTimer *)NULL;
- }
-}
-
-void wxScrollHelper::HandleOnMouseEnter(wxMouseEvent& event)
-{
- StopAutoScrolling();
-
- event.Skip();
-}
-
-void wxScrollHelper::HandleOnMouseLeave(wxMouseEvent& event)
-{
- // don't prevent the usual processing of the event from taking place
- event.Skip();
-
- // when a captured mouse leave a scrolled window we start generate
- // scrolling events to allow, for example, extending selection beyond the
- // visible area in some controls
- if ( wxWindow::GetCapture() == m_targetWindow )
- {
- // where is the mouse leaving?
- int pos, orient;
- wxPoint pt = event.GetPosition();
- if ( pt.x < 0 )
- {
- orient = wxHORIZONTAL;
- pos = 0;
- }
- else if ( pt.y < 0 )
- {
- orient = wxVERTICAL;
- pos = 0;
- }
- else // we're lower or to the right of the window
- {
- wxSize size = m_targetWindow->GetClientSize();
- if ( pt.x > size.x )
- {
- orient = wxHORIZONTAL;
- pos = m_xScrollLines;
- }
- else if ( pt.y > size.y )
- {
- orient = wxVERTICAL;
- pos = m_yScrollLines;
- }
- else // this should be impossible
- {
- // 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") );
-
- return;
- }
- }
-
- // only start the auto scroll timer if the window can be scrolled in
- // this direction
- if ( !m_targetWindow->HasScrollbar(orient) )
- return;
-
- delete m_timerAutoScroll;
- m_timerAutoScroll = new wxAutoScrollTimer
- (
- m_targetWindow, this,
- pos == 0 ? wxEVT_SCROLLWIN_LINEUP
- : wxEVT_SCROLLWIN_LINEDOWN,
- pos,
- orient
- );
- m_timerAutoScroll->Start(50); // FIXME: make configurable
- }
-}
-
-#if wxUSE_MOUSEWHEEL
-
-void wxScrollHelper::HandleOnMouseWheel(wxMouseEvent& event)
-{
- m_wheelRotation += event.GetWheelRotation();
- int lines = m_wheelRotation / event.GetWheelDelta();
- m_wheelRotation -= lines * event.GetWheelDelta();
-
- if (lines != 0)
- {
- lines *= event.GetLinesPerAction();
-
- int vsx, vsy;
- GetViewStart(&vsx, &vsy);
- Scroll(-1, vsy - lines);
- }
-}
-
-#endif // wxUSE_MOUSEWHEEL
-
-// ----------------------------------------------------------------------------
-// wxGenericScrolledWindow implementation
-// ----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxGenericScrolledWindow, wxPanel)
-
-bool wxGenericScrolledWindow::Create(wxWindow *parent,
- wxWindowID id,
- const wxPoint& pos,
- const wxSize& size,
- long style,
- const wxString& name)
-{
- m_targetWindow = this;
-
- bool ok = wxPanel::Create(parent, id, pos, size, style, name);
-
-#ifdef __WXMSW__
- // we need to process arrows ourselves for scrolling
- m_lDlgCode |= DLGC_WANTARROWS;
-#endif // __WXMSW__
-
- return ok;
-}
-
-wxGenericScrolledWindow::~wxGenericScrolledWindow()
-{
-}
-
-#if WXWIN_COMPATIBILITY
-void wxGenericScrolledWindow::GetScrollUnitsPerPage (int *x_page, int *y_page) const
-{
- *x_page = GetScrollPageSize(wxHORIZONTAL);
- *y_page = GetScrollPageSize(wxVERTICAL);
-}
-
-void wxGenericScrolledWindow::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
-
projects / wxWidgets.git / commitdiff
