add demo icon view

svn path=/trunk/gtk-sharp/; revision=43422
This commit is contained in:
John Luke 2005-04-22 00:46:57 +00:00
parent 3ebf6e3e30
commit f78826e7ac
3 changed files with 162 additions and 3 deletions

View file

@ -0,0 +1,158 @@
using System;
using System.IO;
using Gtk;
namespace GtkDemo
{
[Demo ("Icon View", "DemoIconView.cs")]
public class DemoIconView : Window
{
const int COL_PATH = 0;
const int COL_DISPLAY_NAME = 1;
const int COL_PIXBUF = 2;
const int COL_IS_DIRECTORY = 3;
DirectoryInfo parent = new DirectoryInfo ("/");
Gdk.Pixbuf dirIcon, fileIcon;
ListStore store;
ToolButton upButton;
public DemoIconView () : base ("Gtk.IconView demo")
{
SetDefaultSize (650, 400);
DeleteEvent += new DeleteEventHandler (OnWinDelete);
VBox vbox = new VBox (false, 0);
Add (vbox);
Toolbar toolbar = new Toolbar ();
vbox.PackStart (toolbar, false, false, 0);
upButton = new ToolButton (Stock.GoUp);
upButton.IsImportant = true;
upButton.Sensitive = false;
toolbar.Insert (upButton, -1);
ToolButton homeButton = new ToolButton (Stock.Home);
homeButton.IsImportant = true;
toolbar.Insert (homeButton, -1);
// FIXME: use the real icons later
fileIcon = Gdk.Pixbuf.LoadFromResource ("MonoIcon.png");
dirIcon = Gdk.Pixbuf.LoadFromResource ("MonoIcon.png");
ScrolledWindow sw = new ScrolledWindow ();
sw.ShadowType = ShadowType.EtchedIn;
sw.SetPolicy (PolicyType.Automatic, PolicyType.Automatic);
vbox.PackStart (sw, true, true, 0);
// Create the store and fill it with the contents of '/'
store = CreateStore ();
FillStore ();
IconView iconView = new IconView (store);
iconView.SelectionMode = SelectionMode.Multiple;
upButton.Clicked += OnUpClicked;
homeButton.Clicked += OnHomeClicked;
iconView.TextColumn = COL_DISPLAY_NAME;
iconView.PixbufColumn = COL_PIXBUF;
iconView.ItemActivated += new ItemActivatedHandler (OnItemActivated);
sw.Add (iconView);
iconView.GrabFocus ();
ShowAll ();
}
ListStore CreateStore ()
{
// path, name, pixbuf, is_dir
ListStore store = new ListStore (typeof (string), typeof (string), typeof (Gdk.Pixbuf), typeof (bool));
// Set sort column and function
store.SetDefaultSortFunc (SortFunc);
store.SetSortColumnId (COL_DISPLAY_NAME, SortType.Ascending);
return store;
}
void FillStore ()
{
// first clear the store
store.Clear ();
// Now go through the directory and extract all the file information
if (!parent.Exists)
return;
foreach (DirectoryInfo di in parent.GetDirectories ())
{
if (!di.Name.StartsWith ("."))
store.AppendValues (di.FullName, di.Name, dirIcon, false);
}
foreach (FileInfo file in parent.GetFiles ())
{
if (!file.Name.StartsWith ("."))
store.AppendValues (file.FullName, file.Name, fileIcon, false);
}
}
int SortFunc (TreeModel model, TreeIter a, TreeIter b)
{
// sorts folders before files
bool a_is_dir = (bool) model.GetValue (a, COL_IS_DIRECTORY);
bool b_is_dir = (bool) model.GetValue (b, COL_IS_DIRECTORY);
string a_name = (string) model.GetValue (a, COL_DISPLAY_NAME);
string b_name = (string) model.GetValue (b, COL_DISPLAY_NAME);
if (!a_is_dir && b_is_dir)
return 1;
else if (a_is_dir && !b_is_dir)
return -1;
else
return String.Compare (a_name, b_name);
}
void OnHomeClicked (object sender, EventArgs a)
{
parent = new DirectoryInfo (Environment.GetFolderPath (Environment.SpecialFolder.Personal));
FillStore ();
upButton.Sensitive = true;
}
void OnItemActivated (object sender, ItemActivatedArgs a)
{
TreeIter iter;
store.GetIter (out iter, a.Path);
string path = (string) store.GetValue (iter, COL_PATH);
bool isDir = (bool) store.GetValue (iter, COL_IS_DIRECTORY);
if (!isDir)
return;
// Replace parent with path and re-fill the model
parent = new DirectoryInfo (path);
FillStore ();
// Sensitize the up button
upButton.Sensitive = true;
}
void OnUpClicked (object sender, EventArgs a)
{
parent = parent.Parent;
FillStore ();
upButton.Sensitive = (parent.FullName == "/" ? false : true);
}
void OnWinDelete (object sender, DeleteEventArgs a)
{
Hide ();
Dispose ();
}
}
}

View file

@ -19,6 +19,7 @@ sources = \
DemoEntryCompletion.cs \ DemoEntryCompletion.cs \
DemoExpander.cs \ DemoExpander.cs \
DemoHyperText.cs \ DemoHyperText.cs \
DemoIconView.cs \
DemoImages.cs \ DemoImages.cs \
DemoListStore.cs \ DemoListStore.cs \
DemoMain.cs \ DemoMain.cs \

View file

@ -10,8 +10,8 @@ RotatedText
- doesn't quite work yet - doesn't quite work yet
IconView IconView
- missing - fix icons
Chang Display Change Display
- missing - missing