Hello,
I am working on some application, where we draw widgets like "RadioButton",
"CheckButton" etc. by calling "gtk_render_option", "gtk_render_check" and so
forth. Our application works fine on gtk 3.18, but on gtk 3.22, the widgets are
not drawn correctly. I have gone through the changes made in theme handling on
3.20 and tried to make some changes in my application, but I am not able to
understand what I need to do exactly.
I have created a small demo where I draw "RadioButton" using the
gtk_render_option API. This works fine for me in gtk-3.18, but the causes issue
in gtk 3.22. I am attaching images and Demo.c for reference. It would be great
if someone here can guide me on "How can I make this small demo work on gtk
3.22". I should be able to take care of the rest myself. I can provide any
further information required.
Note: I have tried both "radio" and "radiobutton" in
gtk_style_context_add_class API. Both don't work for me.
Thanks,
Pankaj
#include <string.h>
#include <gtk/gtk.h>
static gboolean
draw_cb_options (GtkWidget *widget, cairo_t *cr)
{
GtkStyleContext *context;
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_add_class (context, "radio");
gtk_style_context_set_state (context, 0);
gtk_render_option (context, cr, 10, 50, 40, 40);
gtk_style_context_set_state (context, GTK_STATE_FLAG_CHECKED);
gtk_render_option (context, cr, 70, 50, 40, 40);
gtk_style_context_set_state (context, GTK_STATE_FLAG_INCONSISTENT);
gtk_render_option (context, cr, 120, 50, 40, 40);
gtk_style_context_set_state (context, GTK_STATE_FLAG_INSENSITIVE);
gtk_render_option (context, cr, 170, 50, 40, 40);
gtk_style_context_restore (context);
return TRUE;
}
int main (int argc, char *argv[])
{
GtkWidget *window;
GtkStyleContext *context;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (window, "draw", G_CALLBACK (draw_cb_options), NULL);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
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