|
Problem You have displayed gif/jpg/png images in a GtkTreeView column in Part 1 as shown below:
Now you would like to combine the gif/jpg/png image and the text in the same column as shown below:
Solution
Sample Code The following image files are required by the sample code below. Please save a copy of the image files and put them in the same directory where you store the sample code.
 | ball_red.png |
 | ball_green.png |
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
| <?php
$window = new GtkWindow();
$window->set_size_request(400, 280);
$window->connect_simple('destroy', array('Gtk','main_quit'));
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Display gif, jpg or png images in GtkTreeView - Part 2\n".
" stuff image and text in same column");
$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('Red = below safety stock level (qty<10)'), 0, 0);
$vbox->pack_start(new GtkLabel('Green = above safety stock level (qty>=10)'), 0, 0);
$vbox->pack_start(new GtkLabel(), 0, 0);
// the 2D table
$data = array(
array('row0', 'item 42', 2, 3.1),
array('row1', 'item 36', 20, 6.21),
array('row2', 'item 21', 8, 9.36),
array('row3', 'item 10', 11, 12.4),
array('row4', 'item 7', 5, 15.5),
array('row5', 'item 4', 17, 18.6),
array('row6', 'item 3', 20, 21.73));
display_table ($vbox, $data);
$window->show_all();
Gtk::main();
function display_table($vbox, $data) {
// Set up a scroll window
$scrolled_win = new GtkScrolledWindow();
$scrolled_win->set_policy( Gtk::POLICY_AUTOMATIC,
Gtk::POLICY_AUTOMATIC);
$vbox->pack_start($scrolled_win);
// Creates the list store
if (defined("GObject::TYPE_STRING")) {
$model = new GtkListStore(GObject::TYPE_STRING, GObject::TYPE_STRING,
GObject::TYPE_LONG, GObject::TYPE_DOUBLE);
} else {
$model = new GtkListStore(Gtk::TYPE_STRING, Gtk::TYPE_STRING,
Gtk::TYPE_LONG, Gtk::TYPE_DOUBLE);
}
$field_header = array('Row #', 'Description', 'Qty', 'Price');
$field_justification = array(0.0, 0.0, 1.0, 1.0, .5);
// Creates the view to display the list store
$view = new GtkTreeView($model);
$scrolled_win->add($view);
// Creates the columns
for ($col=0; $col<count($field_header); ++$col) {
if ($field_header[$col] == 'Qty') {
$column = new GtkTreeViewColumn();
$cell_renderer = new GtkCellRendererPixbuf(); // note 1
$column->pack_start($cell_renderer, false);
$column->set_cell_data_func($cell_renderer, "format_qty_pixbuf", $col);
$cell_renderer = new GtkCellRendererText(); // note 2
$cell_renderer->set_property("xalign", $field_justification[$col]);
$column->pack_start($cell_renderer, true);
$column->set_attributes($cell_renderer, 'text', 2); // col 2 of the model
$column->set_sort_column_id($col);
$column->set_cell_data_func($cell_renderer, "format_qty_text", $col);
} else {
$cell_renderer = new GtkCellRendererText();
$cell_renderer->set_property("xalign", $field_justification[$col]);
$column = new GtkTreeViewColumn($field_header[$col],
$cell_renderer, 'text', $col);
$column->set_alignment($field_justification[$col]);
$column->set_sort_column_id($col);
$column->set_cell_data_func($cell_renderer, "format_col", $col);
}
// set the header font and color
$label = new GtkLabel($field_header[$col]);
$label->modify_font(new PangoFontDescription("Arial Bold"));
$label->modify_fg(Gtk::STATE_NORMAL, GdkColor::parse("#0000FF"));
$column->set_widget($label);
$label->show();
$view->append_column($column);
}
// pupulates the data
for ($row=0; $row<count($data); ++$row) {
$values = array();
for ($col=0; $col<count($data[$row]); ++$col) {
$values[] = $data[$row][$col];
}
$model->append($values);
}
// setup selection
$selection = $view->get_selection();
$selection->connect('changed', 'on_selection');
}
|
- Note that this is only 70% of the sample code. You have to be a registered member to see the entire sample code. Please login or register.
- Registration is free and immediate.
- Have some doubt about the registration? Please read this forum article.
Explanation The above sample code is based on How to display a 2D array in GtkTreeView - Part 5 - get user selection? and How to display gif or jpg images in GtkTreeView - Part 1?
What's new here:
- Set up the GtkCellRendererPixbuf.
- Set up the GtkCellRenderer.
- Display the image.
- Display the text.
- Set the alternate row color.
Related Links
User reviews There are no user reviews yet. Note: You have to be a registered member to leave a comment. Free registration here. |
