X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/655719367ac5e131d9642e5783f3ecf64d1a3385..0b62785c421770a6fcae3125edf42b908330cd78:/src/gtk/scrolwin.cpp diff --git a/src/gtk/scrolwin.cpp b/src/gtk/scrolwin.cpp index 638e29194a..79cfe5d3a3 100644 --- a/src/gtk/scrolwin.cpp +++ b/src/gtk/scrolwin.cpp @@ -28,10 +28,9 @@ #pragma hdrstop #endif +#include "wx/scrolwin.h" #include "wx/utils.h" #include "wx/dcclient.h" - -#include "wx/scrolwin.h" #include "wx/panel.h" #include "wx/sizer.h" @@ -73,6 +72,7 @@ extern bool g_isIdle; // "value_changed" from m_vAdjust //----------------------------------------------------------------------------- +extern "C" { static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, SCROLLBAR_CBACK_ARG wxScrolledWindow *win ) @@ -87,11 +87,13 @@ static void gtk_scrolled_window_vscroll_callback( GtkAdjustment *adjust, win->GtkVScroll( adjust->value, GET_SCROLL_TYPE(GTK_SCROLLED_WINDOW(win->m_widget)->vscrollbar) ); } +} //----------------------------------------------------------------------------- // "value_changed" from m_hAdjust //----------------------------------------------------------------------------- +extern "C" { static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, SCROLLBAR_CBACK_ARG wxScrolledWindow *win ) @@ -105,11 +107,13 @@ static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, win->GtkHScroll( adjust->value, GET_SCROLL_TYPE(GTK_SCROLLED_WINDOW(win->m_widget)->hscrollbar) ); } +} //----------------------------------------------------------------------------- // "button_press_event" from scrollbar //----------------------------------------------------------------------------- +extern "C" { static gint gtk_scrollbar_button_press_callback( GtkRange *widget, GdkEventButton *gdk_event, wxWindowGTK *win) @@ -126,11 +130,13 @@ static gint gtk_scrollbar_button_press_callback( GtkRange *widget, return FALSE; } +} //----------------------------------------------------------------------------- // "button_release_event" from scrollbar //----------------------------------------------------------------------------- +extern "C" { static gint gtk_scrollbar_button_release_callback( GtkRange *widget, GdkEventButton *WXUNUSED(gdk_event), wxWindowGTK *win) @@ -169,6 +175,7 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *widget, return FALSE; } +} //----------------------------------------------------------------------------- // InsertChild for wxScrolledWindow @@ -326,10 +333,62 @@ void wxScrolledWindow::DoSetVirtualSize( int x, int y ) wxPanel::DoSetVirtualSize( x, y ); AdjustScrollbars(); -#if wxUSE_CONSTRAINTS if (GetAutoLayout()) Layout(); -#endif +} + +// wxWindow's GetBestVirtualSize returns the actual window size, +// whereas we want to return the virtual size +wxSize wxScrolledWindow::GetBestVirtualSize() const +{ + wxSize clientSize( GetClientSize() ); + if (GetSizer()) + { + wxSize minSize( GetSizer()->CalcMin() ); + + return wxSize( wxMax( clientSize.x, minSize.x ), wxMax( clientSize.y, minSize.y ) ); + } + else + return clientSize; +} + +// return the size best suited for the current window +// (this isn't a virtual size, this is a sensible size for the window) +wxSize wxScrolledWindow::DoGetBestSize() const +{ + wxSize best; + + if ( GetSizer() ) + { + wxSize b = GetSizer()->GetMinSize(); + + // Only use the content to set the window size in the direction + // where there's no scrolling; otherwise we're going to get a huge + // window in the direction in which scrolling is enabled + int ppuX, ppuY; + GetScrollPixelsPerUnit(& ppuX, & ppuY); + + wxSize minSize; + if ( GetMinSize().IsFullySpecified() ) + minSize = GetMinSize(); + else + minSize = GetSize(); + + if (ppuX > 0) + b.x = minSize.x; + if (ppuY > 0) + b.y = minSize.y; + best = b; + } + else + return wxWindow::DoGetBestSize(); + + // Add any difference between size and client size + wxSize diff = GetSize() - GetClientSize(); + best.x += wxMax(0, diff.x); + best.y += wxMax(0, diff.y); + + return best; } /* @@ -354,9 +413,12 @@ void wxScrolledWindow::SetScrollbars( int pixelsPerUnitX, int pixelsPerUnitY, // 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->SetVirtualSizeHints( noUnitsX * pixelsPerUnitX, noUnitsY * pixelsPerUnitY ); - m_targetWindow->SetVirtualSize( noUnitsX * pixelsPerUnitX, noUnitsY * pixelsPerUnitY ); + int w = noUnitsX * pixelsPerUnitX; + int h = noUnitsY * pixelsPerUnitY; + m_targetWindow->SetVirtualSize( w ? w : wxDefaultCoord, + h ? h : wxDefaultCoord); if (!noRefresh) { @@ -374,7 +436,7 @@ void wxScrolledWindow::AdjustScrollbars() m_targetWindow->GetClientSize( &w, &h ); m_targetWindow->GetVirtualSize( &vw, &vh ); - + if (m_xScrollPixelsPerLine == 0) { m_hAdjust->upper = 1.0; @@ -383,10 +445,16 @@ void wxScrolledWindow::AdjustScrollbars() } else { - m_hAdjust->upper = vw / m_xScrollPixelsPerLine; - m_hAdjust->page_increment = (w / m_xScrollPixelsPerLine); - m_hAdjust->page_size = m_hAdjust->page_increment; - + m_hAdjust->upper = (vw+m_xScrollPixelsPerLine-1) / m_xScrollPixelsPerLine; + m_hAdjust->page_size = w / m_xScrollPixelsPerLine; + m_hAdjust->page_increment = w / m_xScrollPixelsPerLine; + + // Special case. When client and virtual size are very close but + // the client is big enough, kill scrollbar. + + if ((m_hAdjust->page_size < m_hAdjust->upper) && (w >= vw)) + m_hAdjust->page_size += 1.0; + // If the scrollbar hits the right side, move the window // right to keep it from over extending. @@ -411,9 +479,12 @@ void wxScrolledWindow::AdjustScrollbars() } else { - m_vAdjust->upper = vh / m_yScrollPixelsPerLine; - m_vAdjust->page_increment = (h / m_yScrollPixelsPerLine); - m_vAdjust->page_size = m_vAdjust->page_increment; + m_vAdjust->upper = (vh+m_yScrollPixelsPerLine-1) / m_yScrollPixelsPerLine; + m_vAdjust->page_size = h / m_yScrollPixelsPerLine; + m_vAdjust->page_increment = h / m_yScrollPixelsPerLine; + + if ((m_vAdjust->page_size < m_vAdjust->upper) && (h >= vh)) + m_vAdjust->page_size += 1.0; if ((m_vAdjust->value != 0.0) && (m_vAdjust->value + m_vAdjust->page_size > m_vAdjust->upper)) { @@ -453,7 +524,7 @@ wxWindow *wxScrolledWindow::GetTargetWindow() const // 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 ); @@ -846,19 +917,12 @@ bool wxScrolledWindow::Layout() // Default OnSize resets scrollbars, if any void wxScrolledWindow::OnSize(wxSizeEvent& WXUNUSED(event)) { - if( GetAutoLayout() || m_targetWindow->GetAutoLayout() ) + if ( m_targetWindow->GetAutoLayout() ) { - if( m_targetWindow != this ) - m_targetWindow->FitInside(); - - FitInside(); - - // 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(); + wxSize size = m_targetWindow->GetBestVirtualSize(); + + // This will call ::Layout() and ::AdjustScrollbars() + SetVirtualSize( size ); } else {