I'm using gtk+-3.2.3 with css on Ubuntu natty. In the code below I have a
button that starts out with a background color of green with blue text. I
set the background color for the hover state to red but the font color will
not change to white as I've specified.
Also for the active:hover state the background color changes but the font
color won't change to cyan that I've specified.
( I used hex for cyan, using the named color cyan is broken, same for
silver http://en.wikipedia.org/wiki/X11_color_names )
Why is this happening? Is this the window manager over-riding my code?
/*Compile with:
gcc -Wall -o cssbutton2 `pkg-config --cflags --libs gtk+-3.0` cssbutton2.c
*/
#include <gtk/gtk.h>
int main(int argc, char *argv[] )
{
GtkWidget *window;
GtkWidget *button;
GtkCssProvider *provider;
GdkDisplay *display;
GdkScreen *screen;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window), 280, 200);
g_signal_connect (GTK_WIDGET (window), "destroy",
G_CALLBACK (gtk_main_quit), NULL);
button = gtk_button_new_with_label("CssButton");
gtk_widget_set_name (GTK_WIDGET(button), "mybutton");
gtk_widget_set_halign (GTK_WIDGET(button),GTK_ALIGN_CENTER);
gtk_widget_set_valign (GTK_WIDGET(button),GTK_ALIGN_CENTER);
gtk_widget_set_size_request(GTK_WIDGET(button), 200, 120);
gtk_container_add(GTK_CONTAINER(window),button);
provider = gtk_css_provider_new ();
display = gdk_display_get_default ();
screen = gdk_display_get_default_screen (display);
gtk_style_context_add_provider_for_screen (screen,
GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_USER);
gtk_css_provider_load_from_data (GTK_CSS_PROVIDER (provider),
" GtkWindow {\n"
" background-color: tan;\n"
"}\n"
" GtkButton {\n"
" -GtkWidget-focus-line-width: 0;\n"
" border-radius: 15;\n"
" font: Sans 23;\n"
" color: #00008B;\n"
" background-color: green;\n"
"}\n"
" .button:hover {\n"
" background-color: red;\n"
" color: white;\n"
"}\n"
" .button:hover:active {\n"
" background-color: orange;\n"
" color: #00FFFF;\n"
"}\n", -1, NULL);
g_object_unref (provider);
gtk_widget_show_all(window);
gtk_main();
return(0);
}
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