forked from AuroraMiddleware/gtk
docs: Move documentation to inline comments: GtkScrolledWindow
This commit is contained in:
Javier Jardón
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9009683247
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docs/reference/gtk/tmpl/.gitignore
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docs/reference/gtk/tmpl/.gitignore
vendored
@ -34,6 +34,7 @@ gtkrecentchooserwidget.sgml
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gtkrecentmanager.sgml
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gtkscale.sgml
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gtkscalebutton.sgml
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gtkscrolledwindow.sgml
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gtkseparator.sgml
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gtkseparatormenuitem.sgml
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gtkseparatortoolitem.sgml
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@ -1,282 +0,0 @@
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<!-- ##### SECTION Title ##### -->
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GtkScrolledWindow
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<!-- ##### SECTION Short_Description ##### -->
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Adds scrollbars to its child widget
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<!-- ##### SECTION Long_Description ##### -->
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<para>
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#GtkScrolledWindow is a #GtkBin subclass: it's a container
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the accepts a single child widget. #GtkScrolledWindow adds scrollbars
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to the child widget and optionally draws a beveled frame around the
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child widget.
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</para>
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<para>
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The scrolled window can work in two ways. Some widgets have native
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scrolling support; these widgets have "slots" for #GtkAdjustment
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objects.
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<footnote><para>The scrolled window installs #GtkAdjustment objects in
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the child window's slots using the set_scroll_adjustments_signal,
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found in #GtkWidgetClass. (Conceptually, these widgets implement a
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"Scrollable" interface; because GTK+ 1.2 lacked interface support in
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the object system, this interface is hackily implemented as a signal
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in #GtkWidgetClass. The GTK+ 2.0 object system would allow a clean
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implementation, but it wasn't worth breaking the
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API.)</para></footnote>
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Widgets with native scroll support include #GtkTreeView, #GtkTextView,
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and #GtkLayout.
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</para>
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<para>
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For widgets that lack native scrolling support, the #GtkViewport
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widget acts as an adaptor class, implementing scrollability for child
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widgets that lack their own scrolling capabilities. Use #GtkViewport
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to scroll child widgets such as #GtkTable, #GtkBox, and so on.
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</para>
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<para>
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If a widget has native scrolling abilities, it can be added to the
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#GtkScrolledWindow with gtk_container_add(). If a widget does not, you
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must first add the widget to a #GtkViewport, then add the #GtkViewport
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to the scrolled window. The convenience function
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gtk_scrolled_window_add_with_viewport() does exactly this, so you can
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ignore the presence of the viewport.
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</para>
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<para>
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The position of the scrollbars is controlled by the scroll
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adjustments. See #GtkAdjustment for the fields in an adjustment - for
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#GtkScrollbar, used by #GtkScrolledWindow, the "value" field
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represents the position of the scrollbar, which must be between the
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"lower" field and "upper - page_size." The "page_size" field
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represents the size of the visible scrollable area. The
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"step_increment" and "page_increment" fields are used when the user
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asks to step down (using the small stepper arrows) or page down (using
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for example the PageDown key).
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</para>
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<para>
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If a #GtkScrolledWindow doesn't behave quite as you would like, or
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doesn't have exactly the right layout, it's very possible to set up
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your own scrolling with #GtkScrollbar and for example a #GtkTable.
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</para>
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<!-- ##### SECTION See_Also ##### -->
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<para>
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#GtkViewport, #GtkAdjustment, #GtkWidgetClass
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</para>
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<!-- ##### SECTION Stability_Level ##### -->
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<!-- ##### SECTION Image ##### -->
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<!-- ##### STRUCT GtkScrolledWindow ##### -->
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<para>
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There are no public fields in the #GtkScrolledWindow struct; it should
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only be accessed using the functions below.
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</para>
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<!-- ##### SIGNAL GtkScrolledWindow::move-focus-out ##### -->
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<para>
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</para>
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@scrolledwindow:
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@arg1:
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<!-- ##### SIGNAL GtkScrolledWindow::scroll-child ##### -->
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<para>
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</para>
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@scrolledwindow:
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@arg1:
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@arg2:
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@Returns:
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<!-- ##### ARG GtkScrolledWindow:hadjustment ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:hscrollbar-policy ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:shadow-type ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:vadjustment ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:vscrollbar-policy ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:window-placement ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:window-placement-set ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:scrollbar-spacing ##### -->
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<para>
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</para>
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<!-- ##### ARG GtkScrolledWindow:scrollbars-within-bevel ##### -->
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<para>
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</para>
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<!-- ##### FUNCTION gtk_scrolled_window_new ##### -->
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<para>
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</para>
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@hadjustment:
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@vadjustment:
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@Returns:
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<!-- ##### FUNCTION gtk_scrolled_window_get_hadjustment ##### -->
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<para>
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</para>
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@scrolled_window:
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@Returns:
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<!-- ##### FUNCTION gtk_scrolled_window_get_vadjustment ##### -->
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<para>
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</para>
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@scrolled_window:
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@Returns:
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<!-- ##### FUNCTION gtk_scrolled_window_get_hscrollbar ##### -->
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<para>
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</para>
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@scrolled_window:
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@Returns:
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<!-- ##### FUNCTION gtk_scrolled_window_get_vscrollbar ##### -->
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<para>
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</para>
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@scrolled_window:
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@Returns:
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<!-- ##### FUNCTION gtk_scrolled_window_set_policy ##### -->
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<para>
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</para>
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@scrolled_window:
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@hscrollbar_policy:
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@vscrollbar_policy:
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<!-- ##### FUNCTION gtk_scrolled_window_add_with_viewport ##### -->
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<para>
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</para>
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@scrolled_window:
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@child:
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<!-- ##### FUNCTION gtk_scrolled_window_set_placement ##### -->
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<para>
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</para>
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@scrolled_window:
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@window_placement:
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<!-- ##### FUNCTION gtk_scrolled_window_unset_placement ##### -->
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<para>
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</para>
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@scrolled_window:
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<!-- ##### FUNCTION gtk_scrolled_window_set_shadow_type ##### -->
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<para>
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</para>
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@scrolled_window:
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@type:
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<!-- ##### FUNCTION gtk_scrolled_window_set_hadjustment ##### -->
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<para>
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</para>
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@scrolled_window:
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@hadjustment:
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<!-- ##### FUNCTION gtk_scrolled_window_set_vadjustment ##### -->
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<para>
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</para>
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@scrolled_window:
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@vadjustment:
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<!-- ##### FUNCTION gtk_scrolled_window_get_placement ##### -->
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<para>
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</para>
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@scrolled_window:
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@Returns:
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<!-- ##### FUNCTION gtk_scrolled_window_get_policy ##### -->
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<para>
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</para>
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@scrolled_window:
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@hscrollbar_policy:
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@vscrollbar_policy:
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<!-- ##### FUNCTION gtk_scrolled_window_get_shadow_type ##### -->
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<para>
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</para>
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@scrolled_window:
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@Returns:
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@ -35,6 +35,60 @@
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#include "gtkprivate.h"
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#include "gtkintl.h"
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/**
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* SECTION:gtkscrolledwindow
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* @Short_description: Adds scrollbars to its child widget
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* @Title: GtkScrolledWindow
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* @See_also: #GtkViewport, #GtkAdjustment, #GtkWidgetClass
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*
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* #GtkScrolledWindow is a #GtkBin subclass: it's a container
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* the accepts a single child widget. #GtkScrolledWindow adds scrollbars
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* to the child widget and optionally draws a beveled frame around the
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* child widget.
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*
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* The scrolled window can work in two ways. Some widgets have native
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* scrolling support; these widgets have "slots" for #GtkAdjustment
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* objects.
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* <footnote><para>The scrolled window installs #GtkAdjustment objects in
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* the child window's slots using the set_scroll_adjustments_signal,
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* found in #GtkWidgetClass. (Conceptually, these widgets implement a
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* "Scrollable" interface; because GTK+ 1.2 lacked interface support in
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* the object system, this interface is hackily implemented as a signal
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* in #GtkWidgetClass. The GTK+ 2.0 object system would allow a clean
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* implementation, but it wasn't worth breaking the
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* API.)</para></footnote>
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* Widgets with native scroll support include #GtkTreeView, #GtkTextView,
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* and #GtkLayout.
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*
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* For widgets that lack native scrolling support, the #GtkViewport
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* widget acts as an adaptor class, implementing scrollability for child
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* widgets that lack their own scrolling capabilities. Use #GtkViewport
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* to scroll child widgets such as #GtkTable, #GtkBox, and so on.
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*
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* If a widget has native scrolling abilities, it can be added to the
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* #GtkScrolledWindow with gtk_container_add(). If a widget does not, you
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* must first add the widget to a #GtkViewport, then add the #GtkViewport
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* to the scrolled window. The convenience function
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* gtk_scrolled_window_add_with_viewport() does exactly this, so you can
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* ignore the presence of the viewport.
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*
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* The position of the scrollbars is controlled by the scroll
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* adjustments. See #GtkAdjustment for the fields in an adjustment - for
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* #GtkScrollbar, used by #GtkScrolledWindow, the "value" field
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* represents the position of the scrollbar, which must be between the
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* "lower" field and "upper - page_size." The "page_size" field
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* represents the size of the visible scrollable area. The
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* "step_increment" and "page_increment" fields are used when the user
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* asks to step down (using the small stepper arrows) or page down (using
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* for example the PageDown key).
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*
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* If a #GtkScrolledWindow doesn't behave quite as you would like, or
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* doesn't have exactly the right layout, it's very possible to set up
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* your own scrolling with #GtkScrollbar and for example a #GtkTable.
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*/
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/* scrolled window policy and size requisition handling:
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*
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* gtk size requisition works as follows:
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