📄 gtkscrollbar.sgml
字号:
<!-- ##### SECTION Title ##### -->GtkScrollbar<!-- ##### SECTION Short_Description ##### -->Base class for GtkHScrollbar and GtkVScrollbar<!-- ##### SECTION Long_Description ##### --><para>The #GtkScrollbar widget is an abstract base class for #GtkHScrollbar and#GtkVScrollbar. It is not very useful in itself.</para><para>The position of the thumb in a scrollbar is controlled by the scrolladjustments. See #GtkAdjustment for the fields in an adjustment - for#GtkScrollbar, the "value" field represents the position of thescrollbar, which must be between the "lower" field and "upper -page_size." The "page_size" field represents the size of the visiblescrollable area. The "step_increment" and "page_increment" fields areused when the user asks to step down (using the small stepper arrows)or page down (using for example the PageDown key).</para><!-- ##### SECTION See_Also ##### --><para><variablelist><varlistentry><term>#GtkHScrollbar</term><listitem><para>a horizontal scrollbar.</para></listitem></varlistentry><varlistentry><term>#GtkVScrollbar</term><listitem><para>a vertical scrollbar.</para></listitem></varlistentry><varlistentry><term>#GtkAdjustment</term><listitem><para>connects scrollbars to the widget being scrolled.</para></listitem></varlistentry><varlistentry><term>#GtkScrolledWindow</term><listitem><para>convenient widget for setting up scrolling.</para></listitem></varlistentry></variablelist></para><!-- ##### SECTION Stability_Level ##### --><!-- ##### STRUCT GtkScrollbar ##### --><para>The #GtkScrollbar struct does not contain any public data.</para><!-- ##### ARG GtkScrollbar:fixed-slider-length ##### --><para></para><!-- ##### ARG GtkScrollbar:has-backward-stepper ##### --><para></para><!-- ##### ARG GtkScrollbar:has-forward-stepper ##### --><para></para><!-- ##### ARG GtkScrollbar:has-secondary-backward-stepper ##### --><para></para><!-- ##### ARG GtkScrollbar:has-secondary-forward-stepper ##### --><para></para><!-- ##### ARG GtkScrollbar:min-slider-length ##### --><para></para>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -