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by kksou
Sample Code 200: How to set GtkTextView to look like GtkLabel? |
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Written by kksou
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Friday, 16 March 2007 |
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Problem A standard GtkTextView has a white background as shown below:
You would like to set the background color of the GtkTextView to the default gray color of the window so that the GtkTextView looks like a GtkLabel as shown below:
Solution
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| <?php
$window = &new GtkWindow();
$window->connect_simple('destroy', array( 'Gtk', 'main_quit'));
$window->set_size_request(400,200);
$window->add($vbox = new GtkVBox());
// display title
$title = new GtkLabel("Set bg color of textview to default bg color");
$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);
$title->set_justify(Gtk::JUSTIFY_CENTER);
$alignment = new GtkAlignment(0.5, 0, 0, 0);
$alignment->add($title);
$vbox->pack_start($alignment, 0, 0);
$vbox->pack_start(new GtkLabel(), 0, 0);
$window->realize(); // note 1
$org_bg = $window->get_style()->bg[Gtk::STATE_NORMAL]; // note 2
// setup textview and textbuffer
$buffer = new GtkTextBuffer();
$view = new GtkTextView();
$view->set_buffer($buffer);
$view->modify_font(new PangoFontDescription("Arial 12"));
$view->set_wrap_mode(Gtk::WRAP_WORD);
$scrolled_win = new GtkScrolledWindow();
$scrolled_win->set_policy( Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
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Explanation
- Remember to realize the window before making a copy of the original background color. Try commenting this line out and you will find that you won't get the original color.
- Make a copy of the original background color.
- Set the GtkTextView to the default gray, making it look like a GtkLabel.
Note
Note that we make use of exactly the same technique as we have used in How to set the background to original default color?
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