X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/92aff599b55a88a7ef0c648567f59c0846d4a91c..30ee79f7e95dc4903b4d17c66b947761c574dfd8:/src/gtk/scrolwin.cpp?ds=sidebyside diff --git a/src/gtk/scrolwin.cpp b/src/gtk/scrolwin.cpp index 222c399fc3..4d82bb3209 100644 --- a/src/gtk/scrolwin.cpp +++ b/src/gtk/scrolwin.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// // Name: gtk/scrolwin.cpp // Purpose: wxScrolledWindow implementation -// Author: Julian Smart +// Author: Robert Roebling // Modified by: Ron Lee // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Robert Roebling +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "scrolwin.h" #endif @@ -83,7 +83,7 @@ static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, if (g_blockEventsOnDrag) return; if (!win->m_hasVMT) return; - + win->GtkVScroll( adjust->value, GET_SCROLL_TYPE(GTK_SCROLLED_WINDOW(win->m_widget)->vscrollbar) ); } @@ -288,7 +288,7 @@ bool wxScrolledWindow::Create(wxWindow *parent, GtkHConnectEvent(); // these handlers block mouse events to any window during scrolling such as - // motion events and prevent GTK and wxWindows from fighting over where the + // motion events and prevent GTK and wxWidgets from fighting over where the // slider should be gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_press_event", @@ -313,7 +313,7 @@ bool wxScrolledWindow::Create(wxWindow *parent, PostCreation(); Show( TRUE ); - + return TRUE; } @@ -340,8 +340,11 @@ void wxScrolledWindow::SetScrollbars( int pixelsPerUnitX, int pixelsPerUnitY, int noUnitsX, int noUnitsY, int xPos, int yPos, bool noRefresh ) { - int old_x = m_xScrollPixelsPerLine * m_xScrollPosition; - int old_y = m_yScrollPixelsPerLine * m_yScrollPosition; + int xs, ys; + GetViewStart (& xs, & ys); + + int old_x = m_xScrollPixelsPerLine * xs; + int old_y = m_yScrollPixelsPerLine * ys; m_xScrollPixelsPerLine = pixelsPerUnitX; m_yScrollPixelsPerLine = pixelsPerUnitY; @@ -349,8 +352,12 @@ void wxScrolledWindow::SetScrollbars( int pixelsPerUnitX, int pixelsPerUnitY, m_hAdjust->value = m_xScrollPosition = xPos; m_vAdjust->value = m_yScrollPosition = yPos; + // Setting hints here should arguably be deprecated, but without it + // a sizer might override this manual scrollbar setting in old code. m_targetWindow->SetVirtualSizeHints( noUnitsX * pixelsPerUnitX, noUnitsY * pixelsPerUnitY ); + m_targetWindow->SetVirtualSize( noUnitsX * pixelsPerUnitX, noUnitsY * pixelsPerUnitY ); + if (!noRefresh) { int new_x = m_xScrollPixelsPerLine * m_xScrollPosition; @@ -371,42 +378,58 @@ void wxScrolledWindow::AdjustScrollbars() if (m_xScrollPixelsPerLine == 0) { m_hAdjust->upper = 1.0; + m_hAdjust->page_increment = 1.0; m_hAdjust->page_size = 1.0; } else { m_hAdjust->upper = vw / m_xScrollPixelsPerLine; - m_hAdjust->page_size = (w / m_xScrollPixelsPerLine); + m_hAdjust->page_increment = (w / m_xScrollPixelsPerLine); + m_hAdjust->page_size = m_hAdjust->page_increment; // If the scrollbar hits the right side, move the window // right to keep it from over extending. - if( m_hAdjust->value + m_hAdjust->page_size > m_hAdjust->upper ) + if ((m_hAdjust->value != 0.0) && (m_hAdjust->value + m_hAdjust->page_size > m_hAdjust->upper)) { m_hAdjust->value = m_hAdjust->upper - m_hAdjust->page_size; - m_xScrollPosition = (int)m_hAdjust->value; + if (m_hAdjust->value < 0.0) + m_hAdjust->value = 0.0; + + if (GetChildren().GetCount() == 0) + m_xScrollPosition = (int)m_hAdjust->value; // This is enough without child windows + else + gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "value_changed" ); // Actually scroll window } } if (m_yScrollPixelsPerLine == 0) { m_vAdjust->upper = 1.0; + m_vAdjust->page_increment = 1.0; m_vAdjust->page_size = 1.0; } else { m_vAdjust->upper = vh / m_yScrollPixelsPerLine; - m_vAdjust->page_size = (h / m_yScrollPixelsPerLine); + m_vAdjust->page_increment = (h / m_yScrollPixelsPerLine); + m_vAdjust->page_size = m_vAdjust->page_increment; - if( m_vAdjust->value + m_vAdjust->page_size > m_vAdjust->upper ) + if ((m_vAdjust->value != 0.0) && (m_vAdjust->value + m_vAdjust->page_size > m_vAdjust->upper)) { m_vAdjust->value = m_vAdjust->upper - m_vAdjust->page_size; - m_yScrollPosition = (int)m_vAdjust->value; + if (m_vAdjust->value < 0.0) + m_vAdjust->value = 0.0; + + if (GetChildren().GetCount() == 0) + m_yScrollPosition = (int)m_vAdjust->value; + else + gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "value_changed" ); } } - m_xScrollLinesPerPage = (int)(m_hAdjust->page_size + 0.5); - m_yScrollLinesPerPage = (int)(m_vAdjust->page_size + 0.5); + m_xScrollLinesPerPage = (int)(m_hAdjust->page_increment + 0.5); + m_yScrollLinesPerPage = (int)(m_vAdjust->page_increment + 0.5); gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "changed" ); gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" ); @@ -423,14 +446,14 @@ void wxScrolledWindow::SetTargetWindow( wxWindow *target, bool WXUNUSED(pushEven m_targetWindow = target; } -wxWindow *wxScrolledWindow::GetTargetWindow() +wxWindow *wxScrolledWindow::GetTargetWindow() const { return m_targetWindow; } // Override this function if you don't want to have wxScrolledWindow // automatically change the origin according to the scroll position. -void wxScrolledWindow::PrepareDC(wxDC& dc) +void wxScrolledWindow::DoPrepareDC(wxDC& dc) { dc.SetDeviceOrigin( -m_xScrollPosition * m_xScrollPixelsPerLine, -m_yScrollPosition * m_yScrollPixelsPerLine ); @@ -539,7 +562,7 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0 ); - // Just update the scrollbar, don't send any wxWindows event + // Just update the scrollbar, don't send any wxWidgets event GtkHDisconnectEvent(); gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "value_changed" ); GtkHConnectEvent(); @@ -558,7 +581,7 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos ) m_targetWindow->ScrollWindow( 0, (old_y-m_yScrollPosition)*m_yScrollPixelsPerLine ); - // Just update the scrollbar, don't send any wxWindows event + // Just update the scrollbar, don't send any wxWidgets event GtkVDisconnectEvent(); gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "value_changed" ); GtkVConnectEvent(); @@ -622,18 +645,24 @@ void wxScrolledWindow::GetViewStart (int *x, int *y) const void wxScrolledWindow::DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const { + int xs, ys; + GetViewStart (& xs, & ys); + if ( xx ) - *xx = x - m_xScrollPosition * m_xScrollPixelsPerLine; + *xx = x - xs * m_xScrollPixelsPerLine; if ( yy ) - *yy = y - m_yScrollPosition * m_yScrollPixelsPerLine; + *yy = y - ys * m_yScrollPixelsPerLine; } void wxScrolledWindow::DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const { + int xs, ys; + GetViewStart (& xs, & ys); + if ( xx ) - *xx = x + m_xScrollPosition * m_xScrollPixelsPerLine; + *xx = x + xs * m_xScrollPixelsPerLine; if ( yy ) - *yy = y + m_yScrollPosition * m_yScrollPixelsPerLine; + *yy = y + ys * m_yScrollPixelsPerLine; } int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) @@ -754,14 +783,14 @@ void wxScrolledWindow::SetScrollPos( int orient, int pos, bool refresh ) { if (orient == wxHORIZONTAL) { - // Just update the scrollbar, don't send any wxWindows event + // Just update the scrollbar, don't send any wxWidgets event GtkHDisconnectEvent(); gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "value_changed" ); GtkHConnectEvent(); } else { - // Just update the scrollbar, don't send any wxWindows event + // Just update the scrollbar, don't send any wxWidgets event GtkVDisconnectEvent(); gtk_signal_emit_by_name( GTK_OBJECT(m_vAdjust), "value_changed" ); GtkVConnectEvent(); @@ -817,10 +846,24 @@ bool wxScrolledWindow::Layout() // Default OnSize resets scrollbars, if any void wxScrolledWindow::OnSize(wxSizeEvent& WXUNUSED(event)) { - if( m_targetWindow != this ) - m_targetWindow->SetVirtualSize( m_targetWindow->GetClientSize() ); + if( GetAutoLayout() || m_targetWindow->GetAutoLayout() ) + { + if( m_targetWindow != this ) + m_targetWindow->FitInside(); + + FitInside(); - SetVirtualSize( GetClientSize() ); + // FIXME: Something is really weird here... This should be + // called by FitInside above (and apparently is), yet the + // scrollsub sample will get the scrollbar wrong if resized + // quickly. This masks the bug, but is surely not the right + // answer at all. + AdjustScrollbars(); + } + else + { + AdjustScrollbars(); + } } // This calls OnDraw, having adjusted the origin according to the current @@ -843,7 +886,7 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event) szx, szy, // view size (total) clix, cliy; // view size (on screen) - ViewStart(&stx, &sty); + GetViewStart(&stx, &sty); GetClientSize(&clix, &cliy); GetVirtualSize(&szx, &szy); @@ -872,7 +915,7 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event) yScrollOld = GetScrollPos(wxVERTICAL); int dsty; - switch ( event.KeyCode() ) + switch ( event.GetKeyCode() ) { case WXK_PAGEUP: case WXK_PRIOR: