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Add gradient background support

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Conflicts:
	src/tint2conf/properties_rw.c
This commit is contained in:
Oskari Rauta
2016-08-15 01:18:11 -04:00
committed by o9000
parent 031b6b3240
commit 0867010841
6 changed files with 167 additions and 5 deletions
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32
src/util/area.c
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@@ -438,9 +438,18 @@ void draw(Area *a)
void draw_background(Area *a, cairo_t *c)
{
if (a->bg->fill_color.alpha > 0.0 ||
(panel_config.mouse_effects && (a->has_mouse_over_effect || a->has_mouse_press_effect))) {
if (a->mouse_state == MOUSE_OVER)
if ((a->bg->fill_color.alpha > 0.0) ||
(panel_config.mouse_effects && (a->has_mouse_over_effect || a->has_mouse_press_effect)) ||
(area_has_gradient_fill(a))) {
cairo_pattern_t *cairo_gradient_pattern;
if (area_has_gradient_fill(a)) {
cairo_gradient_pattern = cairo_pattern_create_linear(0.0, 0.0, 0.0, a->height - top_bottom_border_width(a));
cairo_pattern_add_color_stop_rgba(cairo_gradient_pattern, 0.1, a->bg->fill_color.rgb[0], a->bg->fill_color.rgb[1], a->bg->fill_color.rgb[2], a->bg->fill_color.alpha);
cairo_pattern_add_color_stop_rgba(cairo_gradient_pattern, 0.9, a->bg->fill_color2.rgb[0], a->bg->fill_color2.rgb[1], a->bg->fill_color2.rgb[2], a->bg->fill_color2.alpha);
cairo_set_source(c, cairo_gradient_pattern);
} else if (a->mouse_state == MOUSE_OVER)
cairo_set_source_rgba(c,
a->bg->fill_color_hover.rgb[0],
a->bg->fill_color_hover.rgb[1],
@@ -467,6 +476,8 @@ void draw_background(Area *a, cairo_t *c)
a->bg->border.radius - a->bg->border.width / 1.571);
cairo_fill(c);
if (area_has_gradient_fill(a))
cairo_pattern_destroy(cairo_gradient_pattern);
}
if (a->bg->border.width > 0) {
@@ -814,3 +825,18 @@ void area_dump_geometry(Area *area, int indent)
area_dump_geometry((Area *)l->data, indent);
}
}
gboolean area_has_gradient_fill(Area *area)
{
if (!area->bg->gradient)
return FALSE;
else if ((area->bg->fill_color.alpha <= 0.0 ) && (area->bg->fill_color2.alpha <= 0.0))
return FALSE;
else if ((area->bg->fill_color.rgb[0] == area->bg->fill_color2.rgb[0]) &&
(area->bg->fill_color.rgb[1] == area->bg->fill_color2.rgb[1]) &&
(area->bg->fill_color.rgb[2] == area->bg->fill_color2.rgb[2]) &&
(area->bg->fill_color.alpha == area->bg->fill_color2.alpha))
return FALSE;
else return TRUE;
}