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<title>Project View - Using the GNAT Programming Studio</title>
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<a name="Project-View"></a>
<p>
Next: <a rel="next" accesskey="n" href="Disabling-Project-Edition-Features.html#Disabling-Project-Edition-Features">Disabling Project Edition Features</a>,
Previous: <a rel="previous" accesskey="p" href="Extending-Projects.html#Extending-Projects">Extending Projects</a>,
Up: <a rel="up" accesskey="u" href="Project-Handling.html#Project-Handling">Project Handling</a>
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<h3 class="section">7.5 The Project View</h3>
<p><a name="index-project-view-354"></a><!-- -->
<p class="noindent">The project view, as mentioned in the general description of the
GPS window, is one of the views found by default on the left
of the window. It shows in a tree structure the project hierarchy,
along with all the source files belonging to the project, and the
entities declared in the source files.
<p>It is worth noting that the project view provides a tree representation of
the project hierarchy. If a project is imported by multiple other
projects in the hierarchy, then this project will appear multiple times
in the project view.
<p><a name="index-limited-with-355"></a>Likewise, if you have edited the project manually and have used the
<code>limited with</code> construct to have cycles in the project
dependencies, the cycle will expand infinitely. For instance, if
project <samp><span class="file">a</span></samp> imports project <samp><span class="file">b</span></samp>, which in turns imports
project <samp><span class="file">a</span></samp> through a <code>limited with</code> clause, then expanding
the node for <samp><span class="file">a</span></samp> will show <samp><span class="file">b</span></samp>. In turn, expanding the node
for <samp><span class="file">b</span></samp> will show a node for <samp><span class="file">a</span></samp>, and so on.
<p>The contextual menu in this project view provides a number of items to
modify the project hierarchy (what each project imports), as well as
to visualize and modify the attributes for each projects (compilation
switches, naming scheme, <small class="dots">...</small>)
<p>The following entries are available in the contextual menu:
<dl>
<dt><samp><span class="command">Show Projects Imported by...</span></samp><dd>This item will open a new window in GPS, the project browser, which
displays graphically the relationships between each project in the
hierarchy.
<br><dt><samp><span class="command">Save The Project...</span></samp><dd><a name="index-saving-projects-356"></a>This item can be selected to save a single project in the hierarchy
after it was modified. Modified but unsaved projects in the hierarchy
have a special icon (a pen mark is drawn on top of the
standard icon). If you would rather save all the modified projects in
a single step, use the menu bar item <code>Project->Save All</code>.
<br><dt><samp><span class="command">Project/Properties</span></samp><dd>This item will open a new dialog, and give access to all the
attributes of the project: tool switches, naming schemes, source
directories, <small class="dots">...</small> See <a href="The-Project-Properties-Editor.html#The-Project-Properties-Editor">The Project Properties Editor</a>.
<br><dt><samp><span class="command">Project/Edit source file</span></samp><dd><a name="index-edit-project-source-file-357"></a>This menu will load the project file into an editor, so that you can
manually edit it. This should be used if you need to access some
features of the project files that are not accessible graphically
(renames statements, variables, <small class="dots">...</small>)
<br><dt><samp><span class="command">Project/Dependencies...</span></samp><dd><a name="index-project-dependency-358"></a>This opens the dependencies editor (see <a href="The-Project-Dependencies-Editor.html#The-Project-Dependencies-Editor">The Project Dependencies Editor</a>).
<br><dt><samp><span class="command">Add Configuration Variable</span></samp><dd><a name="index-add-configuration-variable-359"></a>This menu item should be used to add new configuration variables, as
described in <a href="Scenarios-and-Configuration-Variables.html#Scenarios-and-Configuration-Variables">Scenarios and Configuration Variables</a>.
<br><dt><samp><span class="command">Build</span></samp><dd>This menu offers the submenu "Clean" which remove all object files and other
compilation artifacts associated to the current project.
</dl>
<p><a name="index-saving-projects-360"></a>Any time one or several projects are modified, the contents of the
project view is automatically refreshed. No project is automatically
saved. This provides a simple way to temporarily test new values for
the project attributes.
Unsaved modified projects are shown with a special icon in the project
view, displaying a pen mark on top of the standard
icon:
<p><a name="index-screen-shot-361"></a><img src="project-modified.jpg" alt="project-modified.jpg">
<p>Note that in all tree views in GPS, you can use the <+> and <-> keys
to expand and collapse nodes (e.g. projects and directories).
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