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Merged
mirkobrombin merged 3 commits into from
Oct 14, 2026
Merged

feat(background): choose attribution quadrant #30

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7f5c193
feat(background): choose attribution quadrant
perlowja Sep 18, 2026
546cf4a
fix(background): clear panel and gate position row
perlowja Sep 27, 2026
3134503
fix: follow the panel height and drop the added comments
mirkobrombin Oct 14, 2026
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81 changes: 63 additions & 18 deletions src/components/background/background.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -44,10 +44,12 @@ namespace Singularity {
// but the manager owns that decision). Bottom-left, 40% width x
// 30% height, with a small margin from the very edge so the
// sample doesn't include the empty space around the label.
private const double CORNER_SAMPLE_X_FRAC = 0.0;
private const double CORNER_SAMPLE_Y_FRAC = 0.65;
private const double CORNER_SAMPLE_W_FRAC = 0.40;
private const double CORNER_SAMPLE_H_FRAC = 0.30;
private const double CORNER_SAMPLE_X_LEFT = 0.0;
private const double CORNER_SAMPLE_X_RIGHT = 1.0 - CORNER_SAMPLE_W_FRAC;
private const double CORNER_SAMPLE_Y_TOP = 1.0 - 0.65 - CORNER_SAMPLE_H_FRAC;
private const double CORNER_SAMPLE_Y_BOTTOM = 0.65;
// Pixel margin from the screen edge to the attribution label.
// Bottom-left is clear of the dock (which is bottom-anchored
// and horizontally centered) at any reasonable screen width,
Expand All @@ -66,6 +68,16 @@ namespace Singularity {
public signal void first_painted();
private bool _first_painted_done = false;

private ulong panel_handler = 0;

public override void dispose() {
if (panel_handler != 0) {
AppSystem.get_default().disconnect(panel_handler);
panel_handler = 0;
}
base.dispose();
}

public Background(Gtk.Application app, Gdk.Monitor? monitor = null) {
Object(application: app);
init_for_window(this);
Expand Down Expand Up @@ -94,9 +106,6 @@ namespace Singularity {
picture_b.can_target = false;
wp_stack.add_overlay(picture_b);

// Attribution overlay. The label is bottom-left-anchored
// (halign=START, valign=END, ATTRIBUTION_MARGIN gutter)
// and click-through so it never intercepts desktop mouse
// events. can_target=false is GTK4's correct way to make a
// widget hit-test-transparent; setting can_focus=false
// prevents the label from grabbing Tab focus out of the
Expand All @@ -109,10 +118,6 @@ namespace Singularity {
// the contrast rule is consistent across panel + overlay.
attribution_label = new Label("");
attribution_label.add_css_class("attribution-label");
attribution_label.halign = Align.START;
attribution_label.valign = Align.END;
attribution_label.xalign = 0.0f;
attribution_label.yalign = 1.0f;
attribution_label.margin_start = ATTRIBUTION_MARGIN;
attribution_label.margin_end = ATTRIBUTION_MARGIN;
attribution_label.margin_bottom = ATTRIBUTION_MARGIN;
Expand All @@ -133,9 +138,15 @@ namespace Singularity {
// the toggle in Settings immediately hides or re-shows the
// overlay for the wallpaper that's currently displayed.
settings = new GLib.Settings("dev.sinty.desktop");
settings.changed["show-wallpaper-attribution"].connect(() => {
update_attribution(WallpaperManager.get_default());
settings.changed.connect((key) => {
if (key == "show-wallpaper-attribution") {
update_attribution(WallpaperManager.get_default());
} else if (key == "wallpaper-attribution-position") {
update_attribution_position();
}
});
update_attribution_position();
panel_handler = AppSystem.get_default().notify["shell-panel-height"].connect(() => update_attribution_position());
// First load: set both pictures to avoid flash, no animation needed
if (manager.display_texture != null) {
picture_a.set_paintable(manager.display_texture);
Expand Down Expand Up @@ -196,7 +207,6 @@ namespace Singularity {

// Wallpaper attribution overlay (Background.vala).
//
// Sits in the bottom-left corner of the live desktop background
// as a single Gtk.Label over the wallpaper cross-fade. The scrim
// is a semi-transparent rounded rectangle so the text reads
// against both bright and dark wallpapers without an aggressive
Expand Down Expand Up @@ -309,13 +319,14 @@ namespace Singularity {
attribution_label.set_markup(markup);
attribution_label.visible = true;

// Sample the corner. The pixbuf aspect matches the screen
// aspect so a fractional bottom-left corner maps 1:1 to a
// fractional bottom-left corner of the screen at the same
// proportional position.
string sample_position = settings.get_string("wallpaper-attribution-position");
double sample_x = (sample_position == "top-right" || sample_position == "bottom-right")
? CORNER_SAMPLE_X_RIGHT : CORNER_SAMPLE_X_LEFT;
double sample_y = (sample_position == "top-left" || sample_position == "top-right")
? CORNER_SAMPLE_Y_TOP : CORNER_SAMPLE_Y_BOTTOM;
double lum = manager.corner_luminance_frac(
CORNER_SAMPLE_X_FRAC,
CORNER_SAMPLE_Y_FRAC,
sample_x,
sample_y,
CORNER_SAMPLE_W_FRAC,
CORNER_SAMPLE_H_FRAC);
if (lum >= 0.0) {
Expand All @@ -325,6 +336,40 @@ namespace Singularity {
}
}

private void update_attribution_position() {
string position = settings.get_string("wallpaper-attribution-position");
bool at_top = position == "top-left" || position == "top-right";
attribution_label.margin_top = ATTRIBUTION_MARGIN
+ (at_top ? AppSystem.get_default().shell_panel_height : 0);
switch (position) {
case "top-left":
attribution_label.halign = Align.START;
attribution_label.valign = Align.START;
attribution_label.xalign = 0.0f;
attribution_label.yalign = 0.0f;
break;
case "top-right":
attribution_label.halign = Align.END;
attribution_label.valign = Align.START;
attribution_label.xalign = 1.0f;
attribution_label.yalign = 0.0f;
break;
case "bottom-right":
attribution_label.halign = Align.END;
attribution_label.valign = Align.END;
attribution_label.xalign = 1.0f;
attribution_label.yalign = 1.0f;
break;
default:
attribution_label.halign = Align.START;
attribution_label.valign = Align.END;
attribution_label.xalign = 0.0f;
attribution_label.yalign = 1.0f;
break;
}
attribution_label.queue_allocate();
}

private void update_wallpaper(WallpaperManager manager) {
var texture = manager.display_texture;
if (texture == null) return;
Expand Down
20 changes: 20 additions & 0 deletions src/components/sidebar/pages/desktop_page.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -310,6 +310,26 @@ namespace Singularity {
settings.set_boolean("show-wallpaper-attribution", attribution_row.switch_btn.active);
});

var attribution_position_options = new Gee.ArrayList<Singularity.Core.AppSettingOption>();
attribution_position_options.add(new Singularity.Core.AppSettingOption() { id = "top-left", label = _("Top Left") });
attribution_position_options.add(new Singularity.Core.AppSettingOption() { id = "top-right", label = _("Top Right") });
attribution_position_options.add(new Singularity.Core.AppSettingOption() { id = "bottom-left", label = _("Bottom Left") });
attribution_position_options.add(new Singularity.Core.AppSettingOption() { id = "bottom-right", label = _("Bottom Right") });
string attribution_position = settings.get_string("wallpaper-attribution-position");
bool valid_position = false;
foreach (var opt in attribution_position_options) {
if (opt.id == attribution_position) { valid_position = true; break; }
}
if (!valid_position) attribution_position = "bottom-left";
var attribution_position_row = new SelectionRow.with_options(
_("Wallpaper Info Position"), attribution_position_options, attribution_position);
settings.bind("show-wallpaper-attribution", attribution_position_row,
"sensitive", SettingsBindFlags.GET);
attribution_position_row.selected.connect((id) => {
settings.set_string("wallpaper-attribution-position", id);
});
grid_group.add_row(attribution_position_row);

var interval_options = new Gee.ArrayList<Singularity.Core.AppSettingOption>();
interval_options.add(new Singularity.Core.AppSettingOption() { id = "600", label = _("Every 10 minutes") });
interval_options.add(new Singularity.Core.AppSettingOption() { id = "1800", label = _("Every 30 minutes") });
Expand Down
2 changes: 1 addition & 1 deletion src/core/app_system.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ namespace Singularity {
public static bool activate_next_created_workspace = false;
public static Window? window_to_move_to_new_workspace = null;
// Updated by Panel/Dock on allocation so screenshot geometry is accurate
public int shell_panel_height = 32;
public int shell_panel_height { get; set; default = 32; }
public int shell_dock_height = 56;

public List<string> get_running_apps() {
Expand Down
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