X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/39c869a6cd3a3faf36cf90e95ec1dc255edc5676..ee3510132b8b4160f848bd4f502a6f5315f90dbc:/src/gtk1/scrolwin.cpp diff --git a/src/gtk1/scrolwin.cpp b/src/gtk1/scrolwin.cpp index ef89c29b5a..143c07f78d 100644 --- a/src/gtk1/scrolwin.cpp +++ b/src/gtk1/scrolwin.cpp @@ -59,6 +59,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxScrolledWindow, wxPanel) //----------------------------------------------------------------------------- extern bool g_blockEventsOnDrag; +extern bool g_blockEventsOnScroll; //----------------------------------------------------------------------------- // idle system @@ -98,6 +99,66 @@ static void gtk_scrolled_window_hscroll_callback( GtkAdjustment *adjust, wxScrol win->GtkHScroll( adjust->value ); } +//----------------------------------------------------------------------------- +// "button_press_event" from scrollbar +//----------------------------------------------------------------------------- + +static gint gtk_scrollbar_button_press_callback( GtkRange *widget, + GdkEventButton *gdk_event, + wxWindowGTK *win) +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + g_blockEventsOnScroll = TRUE; + win->m_isScrolling = (gdk_event->window == widget->slider); + + return FALSE; +} + +//----------------------------------------------------------------------------- +// "button_release_event" from scrollbar +//----------------------------------------------------------------------------- + +static gint gtk_scrollbar_button_release_callback( GtkRange *widget, + GdkEventButton *WXUNUSED(gdk_event), + wxWindowGTK *win) +{ +// don't test here as we can release the mouse while being over +// a different window than the slider +// +// if (gdk_event->window != widget->slider) return FALSE; + + g_blockEventsOnScroll = FALSE; + + if (win->m_isScrolling) + { + wxEventType command = wxEVT_SCROLLWIN_THUMBRELEASE; + int value = -1; + int dir = -1; + + GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(win->m_widget); + if (widget == GTK_RANGE(scrolledWindow->hscrollbar)) + { + value = (int)(win->m_hAdjust->value+0.5); + dir = wxHORIZONTAL; + } + if (widget == GTK_RANGE(scrolledWindow->vscrollbar)) + { + value = (int)(win->m_vAdjust->value+0.5); + dir = wxVERTICAL; + } + + wxScrollWinEvent event( command, value, dir ); + event.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( event ); + } + + win->m_isScrolling = FALSE; + + return FALSE; +} + //----------------------------------------------------------------------------- // InsertChild for wxScrolledWindow //----------------------------------------------------------------------------- @@ -217,10 +278,28 @@ bool wxScrolledWindow::Create(wxWindow *parent, GtkVConnectEvent(); 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 + // slider should be + + gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_press_event", + (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_press_event", + (GtkSignalFunc)gtk_scrollbar_button_press_callback, (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_release_event", + (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this ); + + gtk_signal_connect( GTK_OBJECT(scrolledWindow->hscrollbar), "button_release_event", + (GtkSignalFunc)gtk_scrollbar_button_release_callback, (gpointer) this ); + gtk_widget_show( m_wxwindow ); if (m_parent) m_parent->DoAddChild( this ); + + m_focusWidget = m_wxwindow; PostCreation(); @@ -241,12 +320,15 @@ 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; + m_xScrollPixelsPerLine = pixelsPerUnitX; m_yScrollPixelsPerLine = pixelsPerUnitY; - m_xScrollPosition = xPos; - m_yScrollPosition = yPos; m_xScrollLines = noUnitsX; m_yScrollLines = noUnitsY; + m_xScrollPosition = xPos; + m_yScrollPosition = yPos; m_hAdjust->lower = 0.0; m_hAdjust->upper = noUnitsX; @@ -259,8 +341,16 @@ void wxScrolledWindow::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY, m_vAdjust->value = yPos; m_vAdjust->step_increment = 1.0; m_vAdjust->page_increment = 2.0; - + AdjustScrollbars(); + + if (!noRefresh) + { + int new_x = m_xScrollPixelsPerLine * m_xScrollPosition; + int new_y = m_yScrollPixelsPerLine * m_yScrollPosition; + + m_targetWindow->ScrollWindow( old_x-new_x, old_y-new_y ); + } } void wxScrolledWindow::AdjustScrollbars() @@ -289,7 +379,7 @@ void wxScrolledWindow::AdjustScrollbars() // target window handling // ---------------------------------------------------------------------------- -void wxScrolledWindow::SetTargetWindow( wxWindow *target ) +void wxScrolledWindow::SetTargetWindow( wxWindow *target, bool WXUNUSED(pushEventHandler) ) { wxASSERT_MSG( target, wxT("target window must not be NULL") ); m_targetWindow = target; @@ -600,7 +690,7 @@ int wxScrolledWindow::CalcScrollInc(wxScrollWinEvent& event) return nScrollInc; } -void wxScrolledWindow::SetScrollPos( int orient, int pos, bool WXUNUSED(refresh) ) +void wxScrolledWindow::SetScrollPos( int orient, int pos, bool refresh ) { wxCHECK_RET( m_widget != NULL, wxT("invalid window") );