gdkWindowNew(parent = NULL, attributes)
gdkWindowDestroy(object)
gdkWindowGetWindowType(object)
gdkWindowAtPointer()
gdkWindowShow(object)
gdkWindowShowUnraised(object)
gdkWindowHide(object)
gdkWindowIsDestroyed(object)
gdkWindowIsVisible(object)
gdkWindowIsViewable(object)
gdkWindowGetState(object)
gdkWindowWithdraw(object)
gdkWindowIconify(object)
gdkWindowDeiconify(object)
gdkWindowStick(object)
gdkWindowUnstick(object)
gdkWindowMaximize(object)
gdkWindowUnmaximize(object)
gdkWindowFullscreen(object)
gdkWindowUnfullscreen(object)
gdkWindowSetKeepAbove(object, setting)
gdkWindowSetKeepBelow(object, setting)
gdkWindowSetOpacity(object, opacity)
gdkWindowSetComposited(object, composited)
gdkWindowMove(object, x, y)
gdkWindowResize(object, width, height)
gdkWindowMoveResize(object, x, y, width, height)
gdkWindowScroll(object, dx, dy)
gdkWindowMoveRegion(object, region, x, y)
gdkWindowFlush(object)
gdkWindowEnsureNative(object)
gdkWindowReparent(object, new.parent, x, y)
gdkWindowClear(object)
gdkWindowClearArea(object, x, y, width, height)
gdkWindowClearAreaE(object, x, y, width, height)
gdkWindowRaise(object)
gdkWindowLower(object)
gdkWindowRestack(object, sibling, above)
gdkWindowFocus(object, timestamp = "GDK_CURRENT_TIME")
gdkWindowRegisterDnd(object)
gdkWindowBeginResizeDrag(object, edge, button, root.x, root.y, timestamp)
gdkWindowBeginMoveDrag(object, button, root.x, root.y, timestamp)
gdkWindowConstrainSize(geometry, width, height)
gdkWindowBeep(object)
gdkWindowBeginPaintRect(object, rectangle)
gdkWindowBeginPaintRegion(object, region)
gdkWindowEndPaint(object)
gdkWindowInvalidateRect(object, rect = NULL, invalidate.children)
gdkWindowInvalidateRegion(object, region, invalidate.children)
gdkWindowInvalidateMaybeRecurse(object, region, child.func, user.data)
gdkWindowGetUpdateArea(object)
gdkWindowFreezeUpdates(object)
gdkWindowThawUpdates(object)
gdkWindowProcessAllUpdates()
gdkWindowProcessUpdates(object, update.children)
gdkWindowSetDebugUpdates(setting)
gdkWindowGetInternalPaintInfo(object)
gdkWindowEnableSynchronizedConfigure(object)
gdkWindowConfigureFinished(object)
gdkWindowSetUserData(object, user.data = NULL)
gdkWindowSetOverrideRedirect(object, override.redirect)
gdkWindowSetAcceptFocus(object, accept.focus)
gdkWindowSetFocusOnMap(object, focus.on.map)
gdkWindowAddFilter(object, fun, data)
gdkWindowRemoveFilter(object, fun, data)
gdkWindowShapeCombineMask(object, shape.mask = NULL, offset.x, offset.y)
gdkWindowShapeCombineRegion(object, shape.region = NULL, offset.x, offset.y)
gdkWindowSetChildShapes(object)
gdkWindowMergeChildShapes(object)
gdkWindowInputShapeCombineMask(object, mask, x, y)
gdkWindowInputShapeCombineRegion(object, shape.region, offset.x, offset.y)
gdkWindowSetChildInputShapes(object)
gdkWindowMergeChildInputShapes(object)
gdkWindowSetStaticGravities(object, use.static)
gdkWindowSetHints(object, x, y, min.width, min.height, max.width, max.height, flags)
gdkWindowSetTitle(object, title)
gdkWindowSetBackground(object, color)
gdkWindowSetBackPixmap(object, pixmap = NULL, parent.relative)
gdkWindowSetCursor(object, cursor = NULL)
gdkWindowGetCursor(object)
gdkWindowGetUserData(object)
gdkWindowGetGeometry(object)
gdkWindowSetGeometryHints(object, geometry)
gdkWindowSetIconList(object, pixbufs)
gdkWindowSetModalHint(object, modal)
gdkWindowSetTypeHint(object, hint)
gdkWindowGetTypeHint(object)
gdkWindowSetSkipTaskbarHint(object, modal)
gdkWindowSetSkipPagerHint(object, modal)
gdkWindowSetUrgencyHint(object, urgent)
gdkWindowGetPosition(object)
gdkWindowGetRootOrigin(object)
gdkWindowGetFrameExtents(object)
gdkWindowGetOrigin(object)
gdkWindowGetDeskrelativeOrigin(object)
gdkWindowGetRootCoords(object, x, y)
gdkWindowGetPointer(object)
gdkWindowGetParent(object)
gdkWindowGetToplevel(object)
gdkWindowGetChildren(object)
gdkWindowPeekChildren(object)
gdkWindowGetEvents(object)
gdkWindowSetEvents(object, event.mask)
gdkWindowSetIcon(object, icon.window, pixmap, mask)
gdkWindowSetIconName(object, name)
gdkWindowSetTransientFor(object, leader)
gdkWindowSetRole(object, role)
gdkWindowSetStartupId(object, startup.id)
gdkWindowSetGroup(object, leader)
gdkWindowGetGroup(object)
gdkWindowSetDecorations(object, decorations)
gdkWindowGetDecorations(object)
gdkWindowSetFunctions(object, functions)
gdkWindowGetToplevels()
gdkGetDefaultRootWindow()
gdkSetPointerHooks(object, new.hooks)
gdkOffscreenWindowGetPixmap(window)
gdkOffscreenWindowSetEmbedder(window, embedder)
gdkOffscreenWindowGetEmbedder(window)
gdkWindowGeometryChanged(object)
gdkWindowRedirectToDrawable(object, drawable, src.x, src.y, dest.x, dest.y, width, height)
gdkWindowRemoveRedirection(object)
gdkWindow(parent = NULL, attributes)GObject
+----GdkDrawable
+----GdkWindowGdkWindow is a rectangular region on the screen. It's a low-level object,
used to implement high-level objects such as GtkWidget and GtkWindow on the
GTK+ level. A GtkWindow is a toplevel window, the thing a user might think of
as a "window" with a titlebar and so on; a GtkWindow may contain many GdkWindow.
For example, each GtkButton has a GdkWindow associated with it.gdkWindowSetComposited on the child window. For a
composited window it is the responsibility of the
application to render the window contents at the right spot. Composited windows
# The expose event handler for the event box.
#
# This function simply draws a transparency onto a widget on the area
# for which it receives expose events. This is intended to give the
# event box a "transparent" background.
#
# In order for this to work properly, the widget must have an RGBA
# colormap. The widget should also be set as app-paintable since it
# doesn't make sense for GTK+ to draw a background if we are drawing it
# (and because GTK+ might actually replace our transparency with its
# default background color).
#
transparent_expose <- function(widget, event)
{
cr <- gdkCairoCreate(widget$window)
cr$setOperator("clear")
gdkCairoRegion(cr, event$region)
cr$fill() return(FALSE)
} # The expose event handler for the window.
#
# This function performs the actual compositing of the event box onto
# the already-existing background of the window at 50% normal opacity.
#
# In this case we do not want app-paintable to be set on the widget
# since we want it to draw its own (red) background. Because of this,
# however, we must ensure that we set after = TRUE when connecting to the signal
# so that this handler is called after the red has been drawn. If it was
# called before then GTK would just blindly paint over our work.
#
# Note: if the child window has children, then you need a cairo 1.16
# feature to make this work correctly.
# window_expose_event <- function(widget, event)
{
# get our child (in this case, the event box)
child <- widget$getChild() # create a cairo context to draw to the window
cr <- gdkCairoCreate(widget$window) # the source data is the (composited) event box
gdkCairoSetSourcePixmap(cr, child$window, child$allocation$x,
child$allocation$y) # draw no more than our expose event intersects our child
region <- gdkRegionRectangle(child$allocation)
region$intersect(event$region)
gdkCairoRegion(cr, region)
cr$clip() # composite, with a 50% opacity
cr$setOperator("over")
cr$paintWithAlpha(0.5) return(FALSE)
} # Make the widgets
button <- gtkButton("A Button")
event <- gtkEventBox()
window <- gtkWindow() # Put a red background on the window
red <- gdkColorParse("red")$color
window$modifyBg("normal", red) # Set the colormap for the event box.
# Must be done before the event box is realized.
#
screen <- event$getScreen()
rgba <- screen$getRgbaColormap()
event$setColormap(rgba) # Set our event box to have a fully-transparent background
# drawn on it. Currently there is no way to simply tell GTK+
# that "transparency" is the background color for a widget.
#
event$setAppPaintable(TRUE)
gSignalConnect(event, "expose-event", transparent_expose) # Put them inside one another
window$setBorderWidth(10)
window$add(event)
event$add(button) # Set the event box GdkWindow to be composited.
# Obviously must be performed after event box is realized.
#
event$window$setComposited(TRUE) # Set up the compositing handler.
# Note that we do _after_ so that the normal (red) background is drawn
# by gtk before our compositing occurs.
#
gSignalConnect(window, "expose-event", window_expose_event, after = TRUE)
In the example , a button is
placed inside of an event box inside of a window. The event box is
set as composited and therefore is no longer automatically drawn to
the screen. When the contents of the event box change, an expose event is
generated on its parent window (which, in this case, belongs to
the toplevel GtkWindow). The expose handler for this widget is
responsible for merging the changes back on the screen in the way
that it wishes. In our case, we merge the contents with a 50% transparency. We
also set the background colour of the window to red. The effect is
that the background shows through the button.gdkWindowSetEmbedder() and handle a number of signals. The
gdkOffscreenWindowSetEmbedder and handle a number of signals. The
"pick-embedded-child" signal on the embedder window is used to
select an offscreen child at given coordinates, and the "to-embedder"
and "from-embedder" signals on the offscreen window are used to
translate coordinates between the embedder and the offscreen window. For rendering an offscreen window onto its embedder, the contents of the
offscreen window are available as a pixmap, via
gdkOffscreenWindowGetPixmap.GdkWindowGdkPixmap, GdkBitmap,
and GdkWindow, can often be used interchangeably.
The type GdkDrawable refers generically to any of
these types. GdkGeometryGdkGeometry struct gives the window manager information about
a window's geometry constraints. Normally you would set these on
the GTK+ level using gtkWindowSetGeometryHints. GtkWindow
then sets the hints on the GdkWindow it creates.
gdkWindowSetGeometryHints expects the hints to be fully valid already and
simply passes them to the window manager; in contrast,
gtkWindowSetGeometryHints performs some interpretation. For example,
GtkWindow will apply the hints to the geometry widget instead of the toplevel
window, if you set a geometry widget. Also, the
min.width/min.height/max.width/max.height fields may be set to -1, and
GtkWindow will substitute the size request of the window or geometry widget. If
the minimum size hint is not provided, GtkWindow will use its requisition as
the minimum size. If the minimum size is provided and a geometry widget is set,
GtkWindow will take the minimum size as the minimum size of the geometry widget
rather than the entire window. The base size is treated similarly. The canonical use-case for gtkWindowSetGeometryHints is to get a terminal
widget to resize properly. Here, the terminal text area should be the geometry
widget; GtkWindow will then automatically set the base size to the size of
other widgets in the terminal window, such as the menubar and scrollbar. Then,
the width.inc and height.inc fields should be set to the size of one character
in the terminal. Finally, the base size should be set to the size of one
character. The net effect is that the minimum size of the terminal
will have a 1x1 character terminal area, and only terminal sizes on
the "character grid" will be allowed. Here's an example of how the terminal example would be implemented, assuming
a terminal area widget called "terminal" and a toplevel window "toplevel":
fields <- c("base.width", "base.height", "min.width", "min.height", "width.inc",
"height.inc")
hints[fields] <- char_width
toplevel$setGeometryHints(terminal, hints)
The other useful fields are the min.aspect and max.aspect fields; these
contain a width/height ratio as a floating point number. If a geometry widget is
set, the aspect applies to the geometry widget rather than the entire window.
The most common use of these hints is probably to set min.aspect and
max.aspect to the same value, thus forcing the window to keep a constant aspect
ratio.
GdkGeometry is a transparent-type. min_widthGtkWindow only)min_heightGtkWindow only)max_widthGtkWindow only)max_heightGtkWindow only)base_widthbase.width + width.inc * N where N is any integer (-1 allowed with GtkWindow)base_heightbase.height + height.inc * N where N is any integer (-1 allowed with GtkWindow)width_incheight_incmin_aspectmax_aspectwin_gravitygtkWindowSetGravityGdkWindowAttrGdkWindowAttr is a transparent-type. titleevent_maskgdkWindowSetEvents)xgdkWindowMove)ygdkWindowMove)widthheightwclassGDK_INPUT_OUTPUT (normal window) or GDK_INPUT_ONLY (invisible window that receives events)visualGdkVisual for windowcolormapGdkColormap for windowwindow_typecursorgdkWindowSetCursor)wmclass_namegtkWindowSetWmclass)wmclass_classgtkWindowSetWmclass)override_redirectTRUE to bypass the window managertype_hintGdkFilterReturnGdkFilterFunc to a native event. gdkWindow is the equivalent of gdkWindowNew.GdkWindowTyperoottoplevelGtkWindow)childGtkEntry)dialogtempGtkMenu)foreigngdkWindowForeignNew())GdkWindowClassGDK.INPUT.OUTPUT windows are the standard kind of window you might expect.
GDK.INPUT.ONLY windows are invisible; they are used to trap events, but
you can't draw on them. outputonlyGdkWindowHintsGdkGeometry struct should be paid attention
to. Also, the presence/absence of GDK.HINT.POS, GDK.HINT.USER.POS, and
GDK.HINT.USER.SIZE is significant, though they don't directly refer to
GdkGeometry fields. GDK.HINT.USER.POS will be set automatically by GtkWindow
if you call gtkWindowMove. GDK.HINT.USER.POS and GDK.HINT.USER.SIZE
should be set if the user specified a size/position using a --geometry
command-line argument; gtkWindowParseGeometry() automatically sets these
flags. posmin-sizemax-sizebase-sizeaspectresize-incwin-gravityuser-posuser-sizeGdkGravitygtkWindowMove. See gtkWindowMove and the "implementation
notes" section of the
Extended
Window Manager Hints (http://www.freedesktop.org/Standards/wm-spec) specification for more details. north-westnorthnorth-eastwestcentereastsouth-westsouthsouth-eaststaticGdkWindowEdgenorth-westnorthnorth-eastwesteastsouth-westsouthsouth-eastGdkWindowTypeHintnormaldialogmenuGtkTearoffMenuItem.toolbarsplashscreenutilitydockdesktopGdkWindowAttributesTypeGdkWindowAttr struct should be
honored. For example, if you filled in the "cursor" and "x" fields of
GdkWindowAttr, pass "GDK.WA.X | GDK.WA.CURSOR" to gdkWindowNew. Fields
in GdkWindowAttr not covered by a bit in this enum are required; for example,
the width/height, wclass, and window.type fields are required, they have no
corresponding flag in GdkWindowAttributesType. titlexycursorcolormapvisualwmclassnoredirGdkFilterReturnGdkFilterFunc to a native event. continuetranslateevent structure that was passed in.removeGdkModifierTypeGDK_SUPER_MASK, GDK_HYPER_MASK
or GDK_META_MASK in the state field of key events. shift-masklock-maskcontrol-maskmod1-maskmod2-maskmod3-maskmod4-maskmod5-maskbutton1-maskbutton2-maskbutton3-maskbutton4-maskbutton5-maskrelease-maskmodifier-maskGdkWMDecorationallborderresizehtitlemenuminimizemaximizeGdkWMFunctionallresizemoveminimizemaximizeclosefrom-embedder(window, embedder-x, embedder-y, offscreen-x, offscreen-y, user.data)"to-embedder".
Since 2.18 windowembedder-xembedder-yoffscreen-xoffscreen-yuser.datapick-embedded-child(window, x, y, user.data)windowxyuser.dataGdkWindow] the GdkWindow of the embedded child at x, y, or NULL to-embedder(window, offscreen-x, offscreen-y, embedder-x, embedder-y, user.data)"from-embedder".
Since 2.18 windowoffscreen-xoffscreen-yembedder-xembedder-yuser.data