X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/530a7383f26e57b61748d76502229283462a0ede..7f017c64bbad70dac236202cf208889f08f75a8c:/src/generic/scrolwin.cpp diff --git a/src/generic/scrolwin.cpp b/src/generic/scrolwin.cpp index 74b4d6bbd2..7cd7722062 100644 --- a/src/generic/scrolwin.cpp +++ b/src/generic/scrolwin.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: generic/scrolwin.cpp -// Purpose: wxScrolledWindow implementation +// Purpose: wxGenericScrolledWindow implementation // Author: Julian Smart // Modified by: // Created: 01/02/97 @@ -21,6 +21,10 @@ #pragma implementation "scrolwin.h" #endif +#ifdef __VMS +#define XtDisplay XTDISPLAY +#endif + // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -50,28 +54,34 @@ #endif #endif +#ifndef __WXGTK__ +#include "wx/scrolwin.h" +IMPLEMENT_CLASS(wxScrolledWindow, wxGenericScrolledWindow) +#endif + // ---------------------------------------------------------------------------- // event tables // ---------------------------------------------------------------------------- -BEGIN_EVENT_TABLE(wxScrolledWindow, wxPanel) - EVT_SCROLLWIN(wxScrolledWindow::OnScroll) - EVT_SIZE(wxScrolledWindow::OnSize) - EVT_PAINT(wxScrolledWindow::OnPaint) - EVT_CHAR(wxScrolledWindow::OnChar) +BEGIN_EVENT_TABLE(wxGenericScrolledWindow, wxPanel) + EVT_SCROLLWIN(wxGenericScrolledWindow::OnScroll) + EVT_SIZE(wxGenericScrolledWindow::OnSize) + EVT_PAINT(wxGenericScrolledWindow::OnPaint) + EVT_CHAR(wxGenericScrolledWindow::OnChar) + EVT_MOUSEWHEEL(wxGenericScrolledWindow::OnMouseWheel) END_EVENT_TABLE() -IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxPanel) +IMPLEMENT_DYNAMIC_CLASS(wxGenericScrolledWindow, wxPanel) // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- -// wxScrolledWindow creation +// wxGenericScrolledWindow creation // ---------------------------------------------------------------------------- -wxScrolledWindow::wxScrolledWindow() +wxGenericScrolledWindow::wxGenericScrolledWindow() { m_xScrollPixelsPerLine = 0; m_yScrollPixelsPerLine = 0; @@ -85,9 +95,11 @@ wxScrolledWindow::wxScrolledWindow() m_yScrollLinesPerPage = 0; m_scaleX = 1.0; m_scaleY = 1.0; + m_wheelRotation = 0; + m_targetWindow = (wxWindow*) NULL; } -bool wxScrolledWindow::Create(wxWindow *parent, +bool wxGenericScrolledWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, @@ -106,14 +118,21 @@ bool wxScrolledWindow::Create(wxWindow *parent, m_yScrollLinesPerPage = 0; m_scaleX = 1.0; m_scaleY = 1.0; + m_wheelRotation = 0; m_targetWindow = this; - // we need wxWANTS_CHARS to process arrows ourselves - return wxPanel::Create(parent, id, pos, size, style | wxWANTS_CHARS, name); + 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; } -wxScrolledWindow::~wxScrolledWindow() +wxGenericScrolledWindow::~wxGenericScrolledWindow() { } @@ -125,20 +144,24 @@ wxScrolledWindow::~wxScrolledWindow() * pixelsPerUnitX/pixelsPerUnitY: number of pixels per unit (e.g. pixels per text line) * noUnitsX/noUnitsY: : no. units per scrollbar */ -void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY, +void wxGenericScrolledWindow::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) || + (noUnitsX < m_xScrollLines && xpos > pixelsPerUnitX*noUnitsX) || + (noUnitsY != 0 && m_yScrollLines == 0) || - (noUnitsY < m_yScrollLines) || + (noUnitsY < m_yScrollLines && ypos > pixelsPerUnitY*noUnitsY) || (xPos != m_xScrollPosition) || - (yPos != m_yScrollPosition) || - (pixelsPerUnitX != m_xScrollPixelsPerLine) || - (pixelsPerUnitY != m_yScrollPixelsPerLine) + (yPos != m_yScrollPosition) +// (pixelsPerUnitX != m_xScrollPixelsPerLine) || +// (pixelsPerUnitY != m_yScrollPixelsPerLine) ); m_xScrollPixelsPerLine = pixelsPerUnitX; @@ -205,13 +228,13 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY, // target window handling // ---------------------------------------------------------------------------- -void wxScrolledWindow::SetTargetWindow( wxWindow *target ) +void wxGenericScrolledWindow::SetTargetWindow( wxWindow *target ) { wxASSERT_MSG( target, wxT("target window must not be NULL") ); m_targetWindow = target; } -wxWindow *wxScrolledWindow::GetTargetWindow() +wxWindow *wxGenericScrolledWindow::GetTargetWindow() { return m_targetWindow; } @@ -220,7 +243,7 @@ wxWindow *wxScrolledWindow::GetTargetWindow() // scrolling implementation itself // ---------------------------------------------------------------------------- -void wxScrolledWindow::OnScroll(wxScrollWinEvent& event) +void wxGenericScrolledWindow::OnScroll(wxScrollWinEvent& event) { int orient = event.GetOrientation(); @@ -266,69 +289,55 @@ void wxScrolledWindow::OnScroll(wxScrollWinEvent& event) #endif } -int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) +int wxGenericScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) { int pos = event.GetPosition(); int orient = event.GetOrientation(); int nScrollInc = 0; - switch (event.GetEventType()) + if (event.GetEventType() == wxEVT_SCROLLWIN_TOP) { - case wxEVT_SCROLLWIN_TOP: - { if (orient == wxHORIZONTAL) nScrollInc = - m_xScrollPosition; else nScrollInc = - m_yScrollPosition; - break; - } - case wxEVT_SCROLLWIN_BOTTOM: - { + } else + if (event.GetEventType() == wxEVT_SCROLLWIN_BOTTOM) + { if (orient == wxHORIZONTAL) nScrollInc = m_xScrollLines - m_xScrollPosition; else nScrollInc = m_yScrollLines - m_yScrollPosition; - break; - } - case wxEVT_SCROLLWIN_LINEUP: - { + } else + if (event.GetEventType() == wxEVT_SCROLLWIN_LINEUP) + { nScrollInc = -1; - break; - } - case wxEVT_SCROLLWIN_LINEDOWN: - { + } else + if (event.GetEventType() == wxEVT_SCROLLWIN_LINEDOWN) + { nScrollInc = 1; - break; - } - case wxEVT_SCROLLWIN_PAGEUP: - { + } else + if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEUP) + { if (orient == wxHORIZONTAL) nScrollInc = -GetScrollPageSize(wxHORIZONTAL); else nScrollInc = -GetScrollPageSize(wxVERTICAL); - break; - } - case wxEVT_SCROLLWIN_PAGEDOWN: - { + } else + if (event.GetEventType() == wxEVT_SCROLLWIN_PAGEDOWN) + { if (orient == wxHORIZONTAL) nScrollInc = GetScrollPageSize(wxHORIZONTAL); else nScrollInc = GetScrollPageSize(wxVERTICAL); - break; - } - case wxEVT_SCROLLWIN_THUMBTRACK: - case wxEVT_SCROLLWIN_THUMBRELEASE: - { + } else + if ((event.GetEventType() == wxEVT_SCROLLWIN_THUMBTRACK) || + (event.GetEventType() == wxEVT_SCROLLWIN_THUMBRELEASE)) + { if (orient == wxHORIZONTAL) nScrollInc = pos - m_xScrollPosition; else nScrollInc = pos - m_yScrollPosition; - break; - } - default: - { - break; - } } if (orient == wxHORIZONTAL) @@ -376,7 +385,7 @@ int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) } // Adjust the scrollbars - new version. -void wxScrolledWindow::AdjustScrollbars() +void wxGenericScrolledWindow::AdjustScrollbars() { int w, h; m_targetWindow->GetClientSize(&w, &h); @@ -445,9 +454,9 @@ void wxScrolledWindow::AdjustScrollbars() } } -// Override this function if you don't want to have wxScrolledWindow +// Override this function if you don't want to have wxGenericScrolledWindow // automatically change the origin according to the scroll position. -void wxScrolledWindow::PrepareDC(wxDC& dc) +void wxGenericScrolledWindow::PrepareDC(wxDC& dc) { dc.SetDeviceOrigin( -m_xScrollPosition * m_xScrollPixelsPerLine, -m_yScrollPosition * m_yScrollPixelsPerLine ); @@ -455,13 +464,13 @@ void wxScrolledWindow::PrepareDC(wxDC& dc) } #if WXWIN_COMPATIBILITY -void wxScrolledWindow::GetScrollUnitsPerPage (int *x_page, int *y_page) const +void wxGenericScrolledWindow::GetScrollUnitsPerPage (int *x_page, int *y_page) const { *x_page = GetScrollPageSize(wxHORIZONTAL); *y_page = GetScrollPageSize(wxVERTICAL); } -void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const +void wxGenericScrolledWindow::CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const { if ( xx ) *xx = (float)(x + m_xScrollPosition * m_xScrollPixelsPerLine); @@ -470,7 +479,7 @@ void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, float *xx, float *yy } #endif // WXWIN_COMPATIBILITY -void wxScrolledWindow::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const +void wxGenericScrolledWindow::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const { if ( x_unit ) *x_unit = m_xScrollPixelsPerLine; @@ -478,7 +487,7 @@ void wxScrolledWindow::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const *y_unit = m_yScrollPixelsPerLine; } -int wxScrolledWindow::GetScrollPageSize(int orient) const +int wxGenericScrolledWindow::GetScrollPageSize(int orient) const { if ( orient == wxHORIZONTAL ) return m_xScrollLinesPerPage; @@ -486,7 +495,7 @@ int wxScrolledWindow::GetScrollPageSize(int orient) const return m_yScrollLinesPerPage; } -void wxScrolledWindow::SetScrollPageSize(int orient, int pageSize) +void wxGenericScrolledWindow::SetScrollPageSize(int orient, int pageSize) { if ( orient == wxHORIZONTAL ) m_xScrollLinesPerPage = pageSize; @@ -497,15 +506,18 @@ void wxScrolledWindow::SetScrollPageSize(int orient, int pageSize) /* * Scroll to given position (scroll position, not pixel position) */ -void wxScrolledWindow::Scroll( int x_pos, int y_pos ) +void wxGenericScrolledWindow::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; int w, h; m_targetWindow->GetClientSize(&w, &h); - if (x_pos != -1) + if ((x_pos != -1) && (m_xScrollPixelsPerLine)) { int old_x = m_xScrollPosition; m_xScrollPosition = x_pos; @@ -520,12 +532,12 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) m_xScrollPosition = wxMin( m_xScrollLines-noPagePositions, m_xScrollPosition ); m_xScrollPosition = wxMax( 0, m_xScrollPosition ); - if (old_x == m_xScrollPosition) return; - - m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, TRUE ); - m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0 ); + if (old_x != m_xScrollPosition) { + m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, TRUE ); + m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0 ); + } } - if (y_pos != -1) + if ((y_pos != -1) && (m_yScrollPixelsPerLine)) { int old_y = m_yScrollPosition; m_yScrollPosition = y_pos; @@ -539,11 +551,11 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) // 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) return; - m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition, TRUE ); - m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine ); + if (old_y != m_yScrollPosition) { + m_targetWindow->SetScrollPos( wxVERTICAL, m_yScrollPosition, TRUE ); + m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine ); + } } #ifdef __WXMAC__ @@ -551,13 +563,13 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) #endif } -void wxScrolledWindow::EnableScrolling (bool x_scroll, bool y_scroll) +void wxGenericScrolledWindow::EnableScrolling (bool x_scroll, bool y_scroll) { m_xScrollingEnabled = x_scroll; m_yScrollingEnabled = y_scroll; } -void wxScrolledWindow::GetVirtualSize (int *x, int *y) const +void wxGenericScrolledWindow::GetVirtualSize (int *x, int *y) const { if ( x ) *x = m_xScrollPixelsPerLine * m_xScrollLines; @@ -566,7 +578,7 @@ void wxScrolledWindow::GetVirtualSize (int *x, int *y) const } // Where the current view starts from -void wxScrolledWindow::GetViewStart (int *x, int *y) const +void wxGenericScrolledWindow::GetViewStart (int *x, int *y) const { if ( x ) *x = m_xScrollPosition; @@ -574,7 +586,7 @@ void wxScrolledWindow::GetViewStart (int *x, int *y) const *y = m_yScrollPosition; } -void wxScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) const +void wxGenericScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) const { if ( xx ) *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine; @@ -582,7 +594,7 @@ void wxScrolledWindow::CalcScrolledPosition(int x, int y, int *xx, int *yy) cons *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine; } -void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const +void wxGenericScrolledWindow::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const { if ( xx ) *xx = x + m_xScrollPosition * m_xScrollPixelsPerLine; @@ -595,7 +607,7 @@ void wxScrolledWindow::CalcUnscrolledPosition(int x, int y, int *xx, int *yy) co // ---------------------------------------------------------------------------- // Default OnSize resets scrollbars, if any -void wxScrolledWindow::OnSize(wxSizeEvent& WXUNUSED(event)) +void wxGenericScrolledWindow::OnSize(wxSizeEvent& WXUNUSED(event)) { #if wxUSE_CONSTRAINTS if (GetAutoLayout()) @@ -607,7 +619,7 @@ void wxScrolledWindow::OnSize(wxSizeEvent& WXUNUSED(event)) // This calls OnDraw, having adjusted the origin according to the current // scroll position -void wxScrolledWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) +void wxGenericScrolledWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc(this); PrepareDC(dc); @@ -619,7 +631,7 @@ void wxScrolledWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) // 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 wxScrolledWindow::OnChar(wxKeyEvent& event) +void wxGenericScrolledWindow::OnChar(wxKeyEvent& event) { int stx, sty, // view origin szx, szy, // view size (total) @@ -632,12 +644,12 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event) if( m_xScrollPixelsPerLine ) { clix /= m_xScrollPixelsPerLine; - szx /= m_xScrollPixelsPerLine; + szx /= m_xScrollPixelsPerLine; } else { clix = 0; - szx = -1; + szx = -1; } if( m_yScrollPixelsPerLine ) { @@ -647,14 +659,16 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event) else { cliy = 0; - szy = -1; + szy = -1; } + int dsty; switch ( event.KeyCode() ) { case WXK_PAGEUP: case WXK_PRIOR: - Scroll(-1, sty - (5 * cliy / 6)); + dsty = sty - (5 * cliy / 6); + Scroll(-1, (dsty == -1) ? 0 : dsty); break; case WXK_PAGEDOWN: @@ -691,3 +705,24 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event) event.Skip(); } } + + +void wxGenericScrolledWindow::OnMouseWheel(wxMouseEvent& event) +{ + int lines; + int vsx, vsy; + + m_wheelRotation += event.GetWheelRotation(); + lines = m_wheelRotation / event.GetWheelDelta(); + m_wheelRotation -= lines * event.GetWheelDelta(); + + if (lines != 0) { + lines *= event.GetLinesPerAction(); + GetViewStart(&vsx, &vsy); + Scroll(-1, vsy - lines); + } +} + + + +