gtk2/docs/reference/gtk/tmpl/gtkprogressbar.sgml

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GtkProgressBar

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A widget which indicates progress visually

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<para>
The #GtkProgressBar is typically used to display the progress of a long
running operation.  It provides a visual clue that processing
is underway.  The #GtkProgressBar can be used in two different
modes: percentage mode and activity mode.
</para>

<para>
When an application can determine how much work needs to take place 
(e.g. read a fixed number of bytes from a file) and can monitor its
progress, it can use the #GtkProgressBar in percentage mode and the user
sees a growing bar indicating the percentage of the work that has
been completed.  In this mode, the application is required to call
gtk_progress_bar_set_fraction() periodically to update the progress bar.
</para>

<para>
When an application has no accurate way of knowing the amount of work
to do, it can use the #GtkProgressBar in activity mode, which shows activity 
by a block moving back and forth within the progress area. In this mode,
the application is required to call gtk_progress_bar_pulse() perodically
to update the progress bar.
</para>

<para>
There is quite a bit of flexibility provided to control the appearance
of the #GtkProgressBar.  Functions are provided to control the 
orientation of the bar, optional text can be displayed along with
the bar, and the step size used in activity mode can be set.
</para>

<note>
<para>
The #GtkProgressBar/#GtkProgress API in GTK 1.2 was bloated, needlessly complex
and hard to use properly.  Therefore #GtkProgress has been deprecated
completely and the #GtkProgressBar API has been reduced to the following 10
functions: gtk_progress_bar_new(), gtk_progress_bar_pulse(), 
gtk_progress_bar_set_text(), gtk_progress_bar_set_fraction(), 
gtk_progress_bar_set_pulse_step(), gtk_progress_bar_set_orientation(), 
gtk_progress_bar_get_text(), gtk_progress_bar_get_fraction(), 
gtk_progress_bar_get_pulse_step(), gtk_progress_bar_get_orientation(). 
These have been grouped at the beginning of this section, followed by 
a large chunk of deprecated 1.2 compatibility functions.
</para>
</note>

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<para>

</para>

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<!-- ##### STRUCT GtkProgressBar ##### -->
<para>
The #GtkProgressBar-struct struct contains private data only, 
and should be accessed using the functions below.
</para>


<!-- ##### ARG GtkProgressBar:ellipsize ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:fraction ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:orientation ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:pulse-step ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:text ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:min-horizontal-bar-height ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:min-horizontal-bar-width ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:min-vertical-bar-height ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:min-vertical-bar-width ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:xspacing ##### -->
<para>

</para>

<!-- ##### ARG GtkProgressBar:yspacing ##### -->
<para>

</para>

<!-- ##### FUNCTION gtk_progress_bar_new ##### -->
<para>
Creates a new #GtkProgressBar.
</para>

@void: 
@Returns: a #GtkProgressBar.


<!-- ##### FUNCTION gtk_progress_bar_pulse ##### -->
<para>

</para>

@pbar: 


<!-- ##### FUNCTION gtk_progress_bar_set_text ##### -->
<para>

</para>

@pbar: 
@text: 


<!-- ##### FUNCTION gtk_progress_bar_set_fraction ##### -->
<para>

</para>

@pbar: 
@fraction: 


<!-- ##### FUNCTION gtk_progress_bar_set_pulse_step ##### -->
<para>

</para>

@pbar: 
@fraction: 


<!-- ##### FUNCTION gtk_progress_bar_set_orientation ##### -->
<para>

</para>

@pbar: 
@orientation: 


<!-- ##### FUNCTION gtk_progress_bar_set_ellipsize ##### -->
<para>

</para>

@pbar: 
@mode: 


<!-- ##### ENUM GtkProgressBarOrientation ##### -->
<para>
An enumeration representing possible orientations and growth
directions for the visible progress bar.
</para>

@GTK_PROGRESS_LEFT_TO_RIGHT: A horizontal progress bar growing from left to right.
@GTK_PROGRESS_RIGHT_TO_LEFT: A horizontal progress bar growing from right to left.
@GTK_PROGRESS_BOTTOM_TO_TOP: A vertical progress bar growing from bottom to top.
@GTK_PROGRESS_TOP_TO_BOTTOM: A vertical progress bar growing from top to bottom.

<!-- ##### FUNCTION gtk_progress_bar_get_text ##### -->
<para>

</para>

@pbar: 
@Returns: 


<!-- ##### FUNCTION gtk_progress_bar_get_fraction ##### -->
<para>

</para>

@pbar: 
@Returns: 


<!-- ##### FUNCTION gtk_progress_bar_get_pulse_step ##### -->
<para>

</para>

@pbar: 
@Returns: 


<!-- ##### FUNCTION gtk_progress_bar_get_orientation ##### -->
<para>

</para>

@pbar: 
@Returns: 


<!-- ##### FUNCTION gtk_progress_bar_get_ellipsize ##### -->
<para>

</para>

@pbar: 
@Returns: 


<!-- ##### ENUM GtkProgressBarStyle ##### -->
<para>
An enumeration representing the styles for drawing the progress bar.
</para>

@GTK_PROGRESS_CONTINUOUS: The progress bar grows in a smooth, continuous manner.
@GTK_PROGRESS_DISCRETE: The progress bar grows in discrete, visible blocks.