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notebook: Improve the style of the default arrows

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https://bugzilla.gnome.org/show_bug.cgi?id=707920
This commit is contained in:
William Jon McCann 2013-08-05 16:37:39 +02:00
parent 81b0808849
commit 8dd100d9b0
1 changed files with 22 additions and 33 deletions
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55
gtk/gtkthemingengine.c
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@ -1262,26 +1262,6 @@ gtk_theming_engine_render_option (GtkThemingEngine *engine,
cairo_restore (cr);
}
static void
add_path_arrow (cairo_t *cr,
gdouble angle,
gdouble x,
gdouble y,
gdouble size)
{
cairo_save (cr);
cairo_translate (cr, x + (size / 2), y + (size / 2));
cairo_rotate (cr, angle);
cairo_move_to (cr, 0, - (size / 4));
cairo_line_to (cr, - (size / 2), (size / 4));
cairo_line_to (cr, (size / 2), (size / 4));
cairo_close_path (cr);
cairo_restore (cr);
}
static void
gtk_theming_engine_render_arrow (GtkThemingEngine *engine,
cairo_t *cr,
@ -1290,24 +1270,33 @@ gtk_theming_engine_render_arrow (GtkThemingEngine *engine,
gdouble y,
gdouble size)
{
GtkStateFlags flags;
GdkRGBA fg_color;
double line_width;
GtkStateFlags state;
GdkRGBA color;
cairo_save (cr);
flags = gtk_theming_engine_get_state (engine);
gtk_theming_engine_get_color (engine, flags, &fg_color);
line_width = size / 3.0 / sqrt (2);
cairo_set_line_width (cr, line_width);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
if (flags & GTK_STATE_FLAG_INSENSITIVE)
{
add_path_arrow (cr, angle, x + 1, y + 1, size);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_fill (cr);
}
cairo_translate (cr, x + size / 2.0, y + size / 2.0);
cairo_rotate (cr, angle - G_PI_2);
cairo_translate (cr, size / 4.0, 0);
add_path_arrow (cr, angle, x, y, size);
gdk_cairo_set_source_rgba (cr, &fg_color);
cairo_fill (cr);
cairo_scale (cr,
(size / (size + line_width)),
(size / (size + line_width)));
cairo_move_to (cr, -size / 2.0, -size / 2.0);
cairo_rel_line_to (cr, size / 2.0, size / 2.0);
cairo_rel_line_to (cr, - size / 2.0, size / 2.0);
state = gtk_theming_engine_get_state (engine);
gtk_theming_engine_get_color (engine, state, &color);
gdk_cairo_set_source_rgba (cr, &color);
cairo_stroke (cr);
cairo_restore (cr);
}