1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
18
21
22
23
24
25
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
45
46
47
48
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
88
89
90
91
92
93
94
95
96
103
106
107
108
109
110
111
112
113
114
116
117
119
120
121
123
124
126
127
128
130
131
133
135
136
137
138
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
| <?php
$window = new GtkWindow();
$window->set_size_request(600, 400);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Display thumbnail images using GtkIconView");
$title->modify_font(new PangoFontDescription("Times New Roman Italic 10"));
$title->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000ff"));
$title->set_size_request(-1, 40);
$vbox->pack_start($title, 0, 0);
$vbox->pack_start(new GtkLabel(), 0, 0); // add a small gap
// Set up a scroll window
$hbox = new GtkHBox();
$vbox->pack_start($hbox);
$imagelist[0] = array('square_red.jpg', 'square_yellow.jpg', 'square_green.jpg',
'square_blue.jpg', 'square_blue2.jpg', 'square_blue3.jpg');
$imagelist[1] = array('ball_red.png', 'ball_yellow.png',
'ball_blue3.png', 'ball_blue3a.png',
'ball_green3.png', 'ball_green4.png',);
$left_vbox = setup_iconview(0, 'left');
$right_vbox = setup_iconview(1, 'right');
$view[0]->drag_source_set(Gdk::BUTTON1_MASK, array( array( 'text/plain', 0, 0)),
Gdk::ACTION_COPY|Gdk::ACTION_MOVE);
$view[0]->connect('drag-data-get', 'on_drag');
$view[1]->drag_dest_set(Gtk::DEST_DEFAULT_ALL,
array( array( 'text/plain', 0, 0)), Gdk::ACTION_COPY|Gdk::ACTION_MOVE);
$view[1]->connect('drag-data-received', 'on_drop');
$hbox->pack_start($left_vbox);
$hbox->pack_start($right_vbox);
$window->show_all();
Gtk::main();
function setup_iconview($id, $label) {
global $imagelist, $model, $modelfilter, $view;
$model[$id] = new GtkListStore(GdkPixbuf::gtype, Gtk::TYPE_STRING, Gtk::TYPE_BOOLEAN);
$modelfilter[$id] = new GtkTreeModelFilter($model[$id]);
$modelfilter[$id]->set_visible_column(2);
foreach($imagelist[$id] as $img) {
$pixbuf = GdkPixbuf::new_from_file($img);
$flag = (preg_match('/blue/', $img) || preg_match('/green/', $img)) ? 1 : 0;
$model[$id]->append(array($pixbuf, $img, $flag));
}
$view[$id] = new GtkIconView($model[$id]);
$view[$id]->set_pixbuf_column(0); // col 0 of the model
$view[$id]->set_text_column(1); // col 1 of the model
$view[$id]->set_selection_mode(Gtk::SELECTION_MULTIPLE);
$view[$id]->set_columns(0);
$view[$id]->set_item_width(120);
$vbox = new GtkVBox();
$radio1 = setup_radio(null, 'display all', $label.'_all', $id);
$radio2 = setup_radio($radio1, 'display blue/green only',
$label.'_filter1', $id);
$vbox->pack_start($radio1, 0);
$vbox->pack_start($radio2, 0);
$vbox->pack_start($view[$id]);
return $vbox;
}
// process drag
function on_drag($widget, $context, $data, $info, $time) {
$selection = $widget->get_selected_items();
if (count($selection)==0) return; // return if there's no selection
$data->set_text(serialize($selection));
}
// process drop
function on_drop($widget, $context, $x, $y, $data, $info, $time) {
// append the dragged item to the destination view
$path_array = $widget->get_path_at_pos($x, $y); // note 3
global $imagelist;
global $model, $modelfilter, $view;
$data = unserialize($data->data);
print_r($data);
$dest_model = $widget->get_model();
$source_model = $view[0]->get_model();
foreach($data as $img) {
$i = $img[0];
if (method_exists($source_model, 'append')) {
$iter = $model[0]->get_iter($i);
} else {
$iter_filter = $modelfilter[0]->get_iter($i);
$iter = $modelfilter[0]->convert_iter_to_child_iter($iter_filter);
}
$img_name = $model[0]->get_value($iter, 1);
$model[0]->remove($iter);
$pixbuf = GdkPixbuf::new_from_file($img_name);
$flag = (preg_match('/blue/', $img_name) || preg_match('/green/', $img_name)) ? 1 : 0;
if (method_exists($dest_model, 'append')) {
$dest_model->append(array($pixbuf, $img_name, $flag));
} else {
$model[1]->append(array($pixbuf, $img_name, $flag));
$view[1]->set_model($model[1]);
$view[1]->set_model($modelfilter[1]);
}
}
}
// function to simplify the display of grouped radio buttons
function setup_radio($radio_button_grp, $button_label, $button_value, $id) {
$radio = new GtkRadioButton($radio_button_grp, $button_label);
$radio->connect('toggled', "on_toggle", $button_value, $id);
return $radio;
}
// call-back function when user pressed a radio button
function on_toggle($radio, $value, $id) {
global $view, $model, $modelfilter;
$label = $radio->child->get_label();
$active = $radio->get_active();
if ($active) {
echo "radio button pressed: $label (value = $value)\n";
if (preg_match('/filter1/', $value)) {
$view[$id]->set_model($modelfilter[$id]);
} else {
$view[$id]->set_model($model[$id]);
}
}
}
?>
|
January 08, 2009 3:23am
Is this article useful?
Found any bugs?
Improvements for the above article?
Please enter below...