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Add a selected text example

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This commit is contained in:
Matthias Clasen 2015-12-02 23:10:56 -05:00
parent 16eed47e87
commit 574246a3d8
1 changed files with 51 additions and 0 deletions
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51
tests/foreigndrawing.c
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@ -100,6 +100,54 @@ draw_horizontal_scrollbar (GtkWidget *widget,
g_object_unref (scrollbar_context);
}
static void
draw_text (GtkWidget *widget,
cairo_t *cr,
gint x,
gint y,
gint width,
gint height,
const gchar *text,
GtkStateFlags state)
{
GtkStyleContext *label_context;
GtkStyleContext *selection_context;
GtkStyleContext *context;
PangoLayout *layout;
PathElt label_path[1] = {
{ GTK_TYPE_LABEL, "label", "view", NULL },
};
PathElt selection_path[2] = {
{ GTK_TYPE_LABEL, "label", "view", NULL },
{ G_TYPE_NONE, "selection", NULL, NULL }
};
label_context = get_style (label_path, G_N_ELEMENTS (label_path));
selection_context = get_style (selection_path, G_N_ELEMENTS (selection_path));
gtk_style_context_set_parent (selection_context, label_context);
gtk_style_context_set_state (label_context, state);
if (state & GTK_STATE_FLAG_SELECTED)
context = selection_context;
else
context = label_context;
layout = gtk_widget_create_pango_layout (widget, text);
gtk_render_background (context, cr, x, y, width, height);
gtk_render_frame (context, cr, x, y, width, height);
gtk_render_layout (context, cr, x, y, layout);
g_object_unref (layout);
g_object_unref (selection_context);
g_object_unref (label_context);
}
static gboolean
draw_cb (GtkWidget *widget,
cairo_t *cr)
@ -112,6 +160,9 @@ draw_cb (GtkWidget *widget,
draw_horizontal_scrollbar (widget, cr, 10, 30, width - 20, 10, 40, GTK_STATE_FLAG_PRELIGHT);
draw_horizontal_scrollbar (widget, cr, 10, 50, width - 20, 10, 50, GTK_STATE_FLAG_ACTIVE|GTK_STATE_FLAG_PRELIGHT);
draw_text (widget, cr, 10, 70, width - 20, 20, "Not selected", GTK_STATE_FLAG_NORMAL);
draw_text (widget, cr, 10, 100, width - 20, 20, "Selected", GTK_STATE_FLAG_SELECTED);
return FALSE;
}