Render background image if set for checks and options

The default theme engine draws a fallback check/radio image, but
doesn't let you replace this. We now check if a background image
is set and if so render that instead of the default fallbacks.
This commit is contained in:
Alexander Larsson 2011-11-16 17:03:09 +01:00
parent bc38cf1ff8
commit 5e04549548

View File

@ -183,6 +183,14 @@ static void gtk_theming_engine_render_icon (GtkThemingEngine *engine,
GdkPixbuf *pixbuf,
gdouble x,
gdouble y);
static void render_background_internal (GtkThemingEngine *engine,
cairo_t *cr,
gdouble x,
gdouble y,
gdouble width,
gdouble height,
GtkJunctionSides junction,
cairo_pattern_t *optional_background);
G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT)
@ -1085,6 +1093,8 @@ gtk_theming_engine_render_check (GtkThemingEngine *engine,
GtkBorderStyle border_style;
GtkBorder border;
gint border_width;
GtkStylePropertyContext context;
cairo_pattern_t *pattern;
flags = gtk_theming_engine_get_state (engine);
cairo_save (cr);
@ -1093,9 +1103,22 @@ gtk_theming_engine_render_check (GtkThemingEngine *engine,
gtk_theming_engine_get_background_color (engine, flags, &bg_color);
gtk_theming_engine_get_border (engine, flags, &border);
gtk_theming_engine_get (engine, flags,
"border-style", &border_style,
NULL);
context.width = width;
context.height = height;
_gtk_theming_engine_get (engine, flags, &context,
"background-image", &pattern,
"border-style", &border_style,
NULL);
if (pattern != NULL)
{
render_background_internal (engine, cr, x, y, width, height,
gtk_theming_engine_get_junction_sides (engine), pattern);
cairo_restore (cr);
cairo_pattern_destroy (pattern);
return;
}
border_width = MIN (MIN (border.top, border.bottom),
MIN (border.left, border.right));
@ -1205,6 +1228,8 @@ gtk_theming_engine_render_option (GtkThemingEngine *engine,
gint exterior_size, interior_size, pad, thickness, border_width;
GtkBorderStyle border_style;
GtkBorder border;
GtkStylePropertyContext context;
cairo_pattern_t *pattern;
flags = gtk_theming_engine_get_state (engine);
@ -1214,9 +1239,22 @@ gtk_theming_engine_render_option (GtkThemingEngine *engine,
gtk_theming_engine_get_background_color (engine, flags, &bg_color);
gtk_theming_engine_get_border (engine, flags, &border);
gtk_theming_engine_get (engine, flags,
"border-style", &border_style,
NULL);
context.width = width;
context.height = height;
_gtk_theming_engine_get (engine, flags, &context,
"background-image", &pattern,
"border-style", &border_style,
NULL);
if (pattern != NULL)
{
render_background_internal (engine, cr, x, y, width, height,
gtk_theming_engine_get_junction_sides (engine), pattern);
cairo_restore (cr);
cairo_pattern_destroy (pattern);
return;
}
exterior_size = MIN (width, height);
border_width = MIN (MIN (border.top, border.bottom),
@ -1389,6 +1427,9 @@ color_shade (const GdkRGBA *color,
gtk_symbolic_color_unref (shade);
}
/* optional_background is the background-image, in case it was
already availible we avoid getting it (and thus possibly
rendering it) twice */
static void
render_background_internal (GtkThemingEngine *engine,
cairo_t *cr,
@ -1396,7 +1437,8 @@ render_background_internal (GtkThemingEngine *engine,
gdouble y,
gdouble width,
gdouble height,
GtkJunctionSides junction)
GtkJunctionSides junction,
cairo_pattern_t *optional_background)
{
GdkRGBA bg_color;
cairo_pattern_t *pattern;
@ -1416,8 +1458,14 @@ render_background_internal (GtkThemingEngine *engine,
context.width = width;
context.height = height;
if (optional_background)
pattern = cairo_pattern_reference (optional_background);
else
_gtk_theming_engine_get (engine, flags, &context,
"background-image", &pattern,
NULL);
_gtk_theming_engine_get (engine, flags, &context,
"background-image", &pattern,
"background-repeat", &repeat,
"box-shadow", &box_shadow,
NULL);
@ -1450,9 +1498,9 @@ render_background_internal (GtkThemingEngine *engine,
other_flags = flags | GTK_STATE_FLAG_PRELIGHT;
gtk_theming_engine_get_background_color (engine, other_flags, &other_bg);
gtk_theming_engine_get (engine, other_flags,
"background-image", &other_pattern,
NULL);
_gtk_theming_engine_get (engine, other_flags, &context,
"background-image", &other_pattern,
NULL);
if (pattern && other_pattern)
{
@ -1688,7 +1736,7 @@ gtk_theming_engine_render_background (GtkThemingEngine *engine,
render_background_internal (engine, cr,
x, y, width, height,
junction);
junction, NULL);
}
static void
@ -2396,11 +2444,11 @@ gtk_theming_engine_render_extension (GtkThemingEngine *engine,
gap_side == GTK_POS_BOTTOM)
render_background_internal (engine, cr,
0, 0, width, height,
GTK_JUNCTION_BOTTOM);
GTK_JUNCTION_BOTTOM, NULL);
else
render_background_internal (engine, cr,
0, 0, height, width,
GTK_JUNCTION_BOTTOM);
GTK_JUNCTION_BOTTOM, NULL);
cairo_restore (cr);
cairo_save (cr);
@ -2466,7 +2514,7 @@ gtk_theming_engine_render_handle (GtkThemingEngine *engine,
color_shade (&bg_color, 0.7, &darker);
color_shade (&bg_color, 1.3, &lighter);
render_background_internal (engine, cr, x, y, width, height, sides);
render_background_internal (engine, cr, x, y, width, height, sides, NULL);
if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_GRIP))
{