X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6041f69ca7bbb7c39e4ba64e407bc3ac39e3687f..d361ea0db52530cffcce3ef2dd92f9b1516288c6:/src/gtk/window.cpp diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp index 1a3f1065b0..f5d1fbb070 100644 --- a/src/gtk/window.cpp +++ b/src/gtk/window.cpp @@ -41,13 +41,21 @@ #include "wx/gtk/private/event.h" using namespace wxGTKImpl; +#ifdef GDK_WINDOWING_X11 #include +#else +typedef guint KeySym; +#endif #include #if GTK_CHECK_VERSION(3,0,0) #include #endif +// gdk_window_set_composited() is only supported since 2.12 +#define wxGTK_VERSION_REQUIRED_FOR_COMPOSITING 2,12,0 +#define wxGTK_HAS_COMPOSITING_SUPPORT GTK_CHECK_VERSION(2,12,0) + //----------------------------------------------------------------------------- // documentation on internals //----------------------------------------------------------------------------- @@ -724,6 +732,7 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event, keysym = (KeySym)gdk_event->string[0]; } +#ifdef GDK_WINDOWING_X11 // we want to always get the same key code when the same key is // pressed regardless of the state of the modifiers, i.e. on a // standard US keyboard pressing '5' or '%' ('5' key with @@ -742,6 +751,9 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event, // use the normalized, i.e. lower register, keysym if we've // got one key_code = keysymNormalized ? keysymNormalized : keysym; +#else + key_code = keysym; +#endif // as explained above, we want to have lower register key codes // normally but for the letter keys we want to have the upper ones @@ -1068,6 +1080,21 @@ gtk_window_key_release_callback( GtkWidget * WXUNUSED(widget), } } +//----------------------------------------------------------------------------- +// key and mouse events, after, from m_widget +//----------------------------------------------------------------------------- + +extern "C" { +static gboolean key_and_mouse_event_after(GtkWidget* widget, GdkEventKey*, wxWindow*) +{ + // If a widget does not handle a key or mouse event, GTK+ sends it up the + // parent chain until it is handled. These events are not supposed to + // propagate in wxWidgets, so prevent it unless widget is in a native + // container. + return WX_IS_PIZZA(gtk_widget_get_parent(widget)); +} +} + // ============================================================================ // the mouse events // ============================================================================ @@ -1122,7 +1149,7 @@ static void AdjustEventButtonState(wxMouseEvent& event) } } -// find the window to send the mouse event too +// find the window to send the mouse event to static wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y) { @@ -1172,6 +1199,7 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y) else { if ((child->m_wxwindow == NULL) && + win->IsClientAreaChild(child) && (child->m_x <= xx) && (child->m_y <= yy) && (child->m_x+child->m_width >= xx) && @@ -1935,10 +1963,18 @@ void gtk_window_style_set_callback( GtkWidget *WXUNUSED(widget), { if (win && previous_style) { - wxSysColourChangedEvent event; - event.SetEventObject(win); - - win->GTKProcessEvent( event ); + if (win->IsTopLevel()) + { + wxSysColourChangedEvent event; + event.SetEventObject(win); + win->GTKProcessEvent(event); + } + else + { + // Border width could change, which will change client size. + // Make sure size event occurs for this + win->m_oldClientWidth = 0; + } } } @@ -1956,6 +1992,25 @@ void wxWindowGTK::GTKHandleRealized() ); } + // Use composited window if background is transparent, if supported. + if (m_backgroundStyle == wxBG_STYLE_TRANSPARENT) + { +#if wxGTK_HAS_COMPOSITING_SUPPORT + if (IsTransparentBackgroundSupported()) + { + GdkWindow* const window = GTKGetDrawingWindow(); + if (window) + gdk_window_set_composited(window, true); + } + else +#endif // wxGTK_HAS_COMPOSITING_SUPPORT + { + // We revert to erase mode if transparency is not supported + m_backgroundStyle = wxBG_STYLE_ERASE; + } + } + + // We cannot set colours and fonts before the widget // been realized, so we do this directly after realization // or otherwise in idle time @@ -2286,8 +2341,11 @@ bool wxWindowGTK::PreCreation( wxWindowGTK *parent, const wxPoint &pos, const w m_width = WidthDefault(size.x) ; m_height = HeightDefault(size.y); - m_x = (int)pos.x; - m_y = (int)pos.y; + if (pos != wxDefaultPosition) + { + m_x = pos.x; + m_y = pos.y; + } return true; } @@ -2296,6 +2354,21 @@ void wxWindowGTK::PostCreation() { wxASSERT_MSG( (m_widget != NULL), wxT("invalid window") ); +#if wxGTK_HAS_COMPOSITING_SUPPORT + // Set RGBA visual as soon as possible to minimize the possibility that + // somebody uses the wrong one. + if ( m_backgroundStyle == wxBG_STYLE_TRANSPARENT && + IsTransparentBackgroundSupported() ) + { + GdkScreen *screen = gtk_widget_get_screen (m_widget); + + GdkColormap *rgba_colormap = gdk_screen_get_rgba_colormap (screen); + + if (rgba_colormap) + gtk_widget_set_colormap(m_widget, rgba_colormap); + } +#endif // wxGTK_HAS_COMPOSITING_SUPPORT + if (m_wxwindow) { if (!m_noExpose) @@ -2357,6 +2430,18 @@ void wxWindowGTK::PostCreation() ConnectWidget( connect_widget ); + // connect handler to prevent events from propagating up parent chain + g_signal_connect_after(m_widget, + "key_press_event", G_CALLBACK(key_and_mouse_event_after), this); + g_signal_connect_after(m_widget, + "key_release_event", G_CALLBACK(key_and_mouse_event_after), this); + g_signal_connect_after(m_widget, + "button_press_event", G_CALLBACK(key_and_mouse_event_after), this); + g_signal_connect_after(m_widget, + "button_release_event", G_CALLBACK(key_and_mouse_event_after), this); + g_signal_connect_after(m_widget, + "motion_notify_event", G_CALLBACK(key_and_mouse_event_after), this); + // We cannot set colours, fonts and cursors before the widget has been // realized, so we do this directly after realization -- unless the widget // was in fact realized already. @@ -2452,7 +2537,7 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget ) g_signal_connect (widget, "leave_notify_event", G_CALLBACK (gtk_window_leave_callback), this); - if (IsTopLevel() && m_wxwindow) + if (m_wxwindow && (IsTopLevel() || HasFlag(wxBORDER_RAISED | wxBORDER_SUNKEN | wxBORDER_THEME))) g_signal_connect (m_wxwindow, "style_set", G_CALLBACK (gtk_window_style_set_callback), this); } @@ -2618,8 +2703,6 @@ void wxWindowGTK::OnInternalIdle() void wxWindowGTK::DoGetSize( int *width, int *height ) const { - wxCHECK_RET( (m_widget != NULL), wxT("invalid window") ); - if (width) (*width) = m_width; if (height) (*height) = m_height; } @@ -2714,39 +2797,17 @@ wxSize wxWindowGTK::DoGetBorderSize() const void wxWindowGTK::DoGetPosition( int *x, int *y ) const { - wxCHECK_RET( (m_widget != NULL), wxT("invalid window") ); - int dx = 0; int dy = 0; - if (!IsTopLevel() && m_parent && m_parent->m_wxwindow) + GtkWidget* parent = NULL; + if (m_widget) + parent = gtk_widget_get_parent(m_widget); + if (WX_IS_PIZZA(parent)) { - wxPizza* pizza = WX_PIZZA(m_parent->m_wxwindow); + wxPizza* pizza = WX_PIZZA(parent); dx = pizza->m_scroll_x; dy = pizza->m_scroll_y; } - - if (m_x == -1 && m_y == -1) - { - GdkWindow *source = NULL; - if (m_wxwindow) - source = gtk_widget_get_window(m_wxwindow); - else - source = gtk_widget_get_window(m_widget); - - if (source) - { - int org_x = 0; - int org_y = 0; - gdk_window_get_origin( source, &org_x, &org_y ); - - if (m_parent) - m_parent->ScreenToClient(&org_x, &org_y); - - const_cast(this)->m_x = org_x; - const_cast(this)->m_y = org_y; - } - } - if (x) (*x) = m_x - dx; if (y) (*y) = m_y - dy; } @@ -3505,11 +3566,13 @@ void wxWindowGTK::WarpPointer( int x, int y ) GdkDeviceManager* manager = gdk_display_get_device_manager(display); gdk_device_warp(gdk_device_manager_get_client_pointer(manager), screen, x, y); #else +#ifdef GDK_WINDOWING_X11 XWarpPointer(GDK_DISPLAY_XDISPLAY(display), None, GDK_WINDOW_XID(gdk_screen_get_root_window(screen)), 0, 0, 0, 0, x, y); #endif +#endif } wxWindowGTK::ScrollDir wxWindowGTK::ScrollDirFromRange(GtkRange *range) const @@ -3625,7 +3688,9 @@ void wxWindowGTK::GtkSendPaintEvents() m_updateRegion.Clear(); return; } - +#if wxGTK_HAS_COMPOSITING_SUPPORT + cairo_t* cr = NULL; +#endif // Clip to paint region in wxClientDC m_clipPaintRegion = true; @@ -3657,6 +3722,27 @@ void wxWindowGTK::GtkSendPaintEvents() switch ( GetBackgroundStyle() ) { + case wxBG_STYLE_TRANSPARENT: +#if wxGTK_HAS_COMPOSITING_SUPPORT + if (IsTransparentBackgroundSupported()) + { + // Set a transparent background, so that overlaying in parent + // might indeed let see through where this child did not + // explicitly paint. + // NB: it works also for top level windows (but this is the + // windows manager which then does the compositing job) + cr = gdk_cairo_create(m_wxwindow->window); + gdk_cairo_region(cr, m_nativeUpdateRegion.GetRegion()); + cairo_clip(cr); + + cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR); + cairo_paint(cr); + cairo_set_operator(cr, CAIRO_OPERATOR_OVER); + cairo_surface_flush(cairo_get_target(cr)); + } +#endif // wxGTK_HAS_COMPOSITING_SUPPORT + break; + case wxBG_STYLE_ERASE: { wxWindowDC dc( (wxWindow*)this ); @@ -3733,6 +3819,39 @@ void wxWindowGTK::GtkSendPaintEvents() paint_event.SetEventObject( this ); HandleWindowEvent( paint_event ); +#if wxGTK_HAS_COMPOSITING_SUPPORT + if (IsTransparentBackgroundSupported()) + { // now composite children which need it + // Overlay all our composite children on top of the painted area + wxWindowList::compatibility_iterator node; + for ( node = m_children.GetFirst(); node ; node = node->GetNext() ) + { + wxWindow *compositeChild = node->GetData(); + if (compositeChild->GetBackgroundStyle() == wxBG_STYLE_TRANSPARENT) + { + if (cr == NULL) + { + cr = gdk_cairo_create(m_wxwindow->window); + gdk_cairo_region(cr, m_nativeUpdateRegion.GetRegion()); + cairo_clip(cr); + } + + GtkWidget *child = compositeChild->m_wxwindow; + GtkAllocation alloc; + gtk_widget_get_allocation(child, &alloc); + + // The source data is the (composited) child + gdk_cairo_set_source_window( + cr, gtk_widget_get_window(child), alloc.x, alloc.y); + + cairo_paint(cr); + } + } + if (cr) + cairo_destroy(cr); + } +#endif // wxGTK_HAS_COMPOSITING_SUPPORT + m_clipPaintRegion = false; m_updateRegion.Clear(); @@ -3936,30 +4055,29 @@ void wxWindowGTK::DoApplyWidgetStyle(GtkRcStyle *style) bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style) { - wxWindowBase::SetBackgroundStyle(style); + if (!wxWindowBase::SetBackgroundStyle(style)) + return false; - if ( style == wxBG_STYLE_PAINT ) + GdkWindow *window; + if ( m_wxwindow ) { - GdkWindow *window; - if ( m_wxwindow ) - { - window = GTKGetDrawingWindow(); - } - else - { - GtkWidget * const w = GetConnectWidget(); - window = w ? gtk_widget_get_window(w) : NULL; - } + window = GTKGetDrawingWindow(); + } + else + { + GtkWidget * const w = GetConnectWidget(); + window = w ? gtk_widget_get_window(w) : NULL; + } + + bool wantNoBackPixmap = style == wxBG_STYLE_PAINT || style == wxBG_STYLE_TRANSPARENT; + if ( wantNoBackPixmap ) + { if (window) { // Make sure GDK/X11 doesn't refresh the window // automatically. - gdk_window_set_back_pixmap( window, None, False ); -#ifdef __X__ - Display* display = GDK_WINDOW_DISPLAY(window); - XFlush(display); -#endif + gdk_window_set_back_pixmap( window, NULL, FALSE ); m_needsStyleChange = false; } else // window not realized yet @@ -3980,6 +4098,49 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style) return true; } +bool wxWindowGTK::IsTransparentBackgroundSupported(wxString* reason) const +{ +#if wxGTK_HAS_COMPOSITING_SUPPORT + if (gtk_check_version(wxGTK_VERSION_REQUIRED_FOR_COMPOSITING) != NULL) + { + if (reason) + { + *reason = _("GTK+ installed on this machine is too old to " + "support screen compositing, please install " + "GTK+ 2.12 or later."); + } + + return false; + } + + // NB: We don't check here if the particular kind of widget supports + // transparency, we check only if it would be possible for a generic window + + wxCHECK_MSG ( m_widget, false, "Window must be created first" ); + + if (!gdk_screen_is_composited(gtk_widget_get_screen(m_widget))) + { + if (reason) + { + *reason = _("Compositing not supported by this system, " + "please enable it in your Window Manager."); + } + + return false; + } + + return true; +#else + if (reason) + { + *reason = _("This program was compiled with a too old version of GTK+, " + "please rebuild with GTK+ 2.12 or newer."); + } +#endif // wxGTK_HAS_COMPOSITING_SUPPORT/!wxGTK_HAS_COMPOSITING_SUPPORT + + return false; +} + // ---------------------------------------------------------------------------- // Pop-up menu stuff // ---------------------------------------------------------------------------- @@ -4372,12 +4533,6 @@ void wxWindowGTK::GTKScrolledWindowSetBorder(GtkWidget* w, int wxstyle) } } -void wxWindowGTK::SetWindowStyleFlag( long style ) -{ - // Updates the internal variable. NB: Now m_windowStyle bits carry the _new_ style values already - wxWindowBase::SetWindowStyleFlag(style); -} - // Find the wxWindow at the current mouse position, also returning the mouse // position. wxWindow* wxFindWindowAtPointer(wxPoint& pt) @@ -4390,31 +4545,18 @@ wxWindow* wxFindWindowAtPointer(wxPoint& pt) // Get the current mouse position. wxPoint wxGetMousePosition() { - /* This crashes when used within wxHelpContext, - so we have to use the X-specific implementation below. - gint x, y; - GdkModifierType *mask; - (void) gdk_window_get_pointer(NULL, &x, &y, mask); - - return wxPoint(x, y); - */ + wxWindow* tlw = NULL; + if (!wxTopLevelWindows.empty()) + tlw = wxTopLevelWindows.front(); + GdkDisplay* display; + if (tlw && tlw->m_widget) + display = gtk_widget_get_display(tlw->m_widget); + else + display = gdk_display_get_default(); int x, y; - GdkWindow* windowAtPtr = gdk_window_at_pointer(& x, & y); - - Display *display = windowAtPtr ? GDK_WINDOW_XDISPLAY(windowAtPtr) : GDK_DISPLAY(); - Window rootWindow = RootWindowOfScreen (DefaultScreenOfDisplay(display)); - Window rootReturn, childReturn; - int rootX, rootY, winX, winY; - unsigned int maskReturn; - - XQueryPointer (display, - rootWindow, - &rootReturn, - &childReturn, - &rootX, &rootY, &winX, &winY, &maskReturn); - return wxPoint(rootX, rootY); - + gdk_display_get_pointer(display, NULL, &x, &y, NULL); + return wxPoint(x, y); } GdkWindow* wxWindowGTK::GTKGetDrawingWindow() const