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theme: add circle button hover effect (#2127)

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Jens Peters 2024-09-09 17:44:03 +02:00 • committed by Johan Malm
parent dcd9b47e5b
commit 9395348c55
4 changed files with 59 additions and 19 deletions
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64
src/theme.c
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@ -70,6 +70,9 @@ struct rounded_corner_ctx {
static struct lab_data_buffer *rounded_rect(struct rounded_corner_ctx *ctx);
/* 1 degree in radians (=2π/360) */
static const double deg = 0.017453292519943295;
static void
zdrop(struct lab_data_buffer **buffer)
{
@ -162,26 +165,36 @@ create_hover_fallback(struct theme *theme, const char *icon_name,
/* Overlay (pre-multiplied alpha) */
float overlay_color[4] = { 0.15f, 0.15f, 0.15f, 0.3f};
int radius = MIN(width, height) / 2;
enum corner corner = corner_from_icon_name(icon_name);
if (corner == LAB_CORNER_UNKNOWN) {
switch (theme->window_button_hover_bg_shape) {
case LAB_CIRCLE:
set_cairo_color(cairo, overlay_color);
cairo_rectangle(cairo, 0, 0, width, height);
cairo_arc(cairo, width / 2, height / 2, radius, 0 * deg, 360 * deg);
cairo_fill(cairo);
} else {
struct rounded_corner_ctx rounded_ctx = {
.box = &(struct wlr_box) { .width = width, .height = height },
.radius = rc.corner_radius,
.line_width = theme->border_width,
.fill_color = overlay_color,
.border_color = overlay_color,
.corner = corner
};
struct lab_data_buffer *overlay_buffer = rounded_rect(&rounded_ctx);
cairo_set_source_surface(cairo,
cairo_get_target(overlay_buffer->cairo), 0, 0);
cairo_paint(cairo);
wlr_buffer_drop(&overlay_buffer->base);
break;
case LAB_RECTANGLE:
if (corner == LAB_CORNER_UNKNOWN) {
set_cairo_color(cairo, overlay_color);
cairo_rectangle(cairo, 0, 0, width, height);
cairo_fill(cairo);
} else {
struct rounded_corner_ctx rounded_ctx = {
.box = &(struct wlr_box){.width = width, .height = height},
.radius = rc.corner_radius,
.line_width = theme->border_width,
.fill_color = overlay_color,
.border_color = overlay_color,
.corner = corner};
struct lab_data_buffer *overlay_buffer =
rounded_rect(&rounded_ctx);
cairo_set_source_surface(cairo,
cairo_get_target(overlay_buffer->cairo), 0, 0);
cairo_paint(cairo);
wlr_buffer_drop(&overlay_buffer->base);
}
break;
}
cairo_surface_flush(surf);
@ -532,6 +545,18 @@ parse_justification(const char *str)
}
}
static enum lab_shape
parse_shape(const char *str)
{
if (!strcasecmp(str, "Rectangle")) {
return LAB_RECTANGLE;
} else if (!strcasecmp(str, "Circle")) {
return LAB_CIRCLE;
} else {
return LAB_RECTANGLE;
}
}
/*
* We generally use Openbox defaults, but if no theme file can be found it's
* better to populate the theme variables with some sane values as no-one
@ -569,6 +594,7 @@ theme_builtin(struct theme *theme, struct server *server)
theme->padding_width = 0;
theme->window_button_width = 26;
theme->window_button_spacing = 0;
theme->window_button_hover_bg_shape = LAB_RECTANGLE;
parse_hexstr("#000000",
theme->window_active_button_menu_unpressed_image_color);
@ -774,6 +800,9 @@ entry(struct theme *theme, const char *key, const char *value)
theme->window_button_spacing = get_int_if_positive(
value, "window.button.spacing");
}
if (match_glob(key, "window.button.hover.bg.shape")) {
theme->window_button_hover_bg_shape = parse_shape(value);
}
/* universal button */
if (match_glob(key, "window.active.button.unpressed.image.color")) {
@ -1077,9 +1106,6 @@ theme_read(struct theme *theme, struct wl_list *paths)
static struct lab_data_buffer *
rounded_rect(struct rounded_corner_ctx *ctx)
{
/* 1 degree in radians (=2π/360) */
double deg = 0.017453292519943295;
if (ctx->corner == LAB_CORNER_UNKNOWN) {
return NULL;
}