diff options
Diffstat (limited to 'core/src/widget/circularprogress.vala')
-rw-r--r-- | core/src/widget/circularprogress.vala | 95 |
1 files changed, 52 insertions, 43 deletions
diff --git a/core/src/widget/circularprogress.vala b/core/src/widget/circularprogress.vala index 9cd3e26..4e1410d 100644 --- a/core/src/widget/circularprogress.vala +++ b/core/src/widget/circularprogress.vala @@ -1,6 +1,5 @@ namespace Astal { public class CircularProgress : Gtk.Bin { - public new Gtk.Widget child { get; set; } public double start_at { get; set; } public double end_at { get; set; } public double value { get; set; } @@ -20,7 +19,7 @@ public class CircularProgress : Gtk.Bin { set_css_name("circular-progress"); } - public new void get_preferred_height(out int minh, out int nath) { + public override void get_preferred_height(out int minh, out int nath) { var val = get_style_context().get_property("min-height", Gtk.StateFlags.NORMAL); if (val.get_int() <= 0) { minh = 40; @@ -31,7 +30,7 @@ public class CircularProgress : Gtk.Bin { nath = val.get_int(); } - public new void get_preferred_width(out int minw, out int natw) { + public override void get_preferred_width(out int minw, out int natw) { var val = get_style_context().get_property("min-width", Gtk.StateFlags.NORMAL); if (val.get_int() <= 0) { minw = 40; @@ -42,12 +41,12 @@ public class CircularProgress : Gtk.Bin { natw = val.get_int(); } - private double _to_radian(double percentage) { + private double to_radian(double percentage) { percentage = Math.floor(percentage * 100); return (percentage / 100) * (2 * Math.PI); } - private bool _is_full_circle(double start, double end, double epsilon = 1e-10) { + private bool is_full_circle(double start, double end, double epsilon = 1e-10) { // Ensure that start and end are between 0 and 1 start = (start % 1 + 1) % 1; end = (end % 1 + 1) % 1; @@ -56,40 +55,38 @@ public class CircularProgress : Gtk.Bin { return Math.fabs(start - end) <= epsilon; } - private double _map_arc_value_to_range(double start, double end, double value) { + private double scale_arc_value(double start, double end, double value) { // Ensure that start and end are between 0 and 1 start = (start % 1 + 1) % 1; end = (end % 1 + 1) % 1; // Calculate the length of the arc - var arcLength = end - start; - if (arcLength < 0) - arcLength += 1; // Adjust for circular representation + var arc_length = end - start; + if (arc_length < 0) + arc_length += 1; // Adjust for circular representation // Calculate the position on the arc based on the percentage value - var position = start + (arcLength * value); + var scaled = arc_length + value; // Ensure the position is between 0 and 1 - position = (position % 1 + 1) % 1; - - return position; + return (scaled % 1 + 1) % 1; } - private double _min(double[] arr) { + private double min(double[] arr) { double min = arr[0]; foreach(var i in arr) if (min > i) min = i; return min; } - private double _max(double[] arr) { + private double max(double[] arr) { double max = arr[0]; foreach(var i in arr) if (max < i) max = i; return max; } - public new bool draw(Cairo.Context cr) { + public override bool draw(Cairo.Context cr) { Gtk.Allocation allocation; get_allocation(out allocation); @@ -101,60 +98,72 @@ public class CircularProgress : Gtk.Bin { var fg = styles.get_color(Gtk.StateFlags.NORMAL); var bg = styles.get_background_color(Gtk.StateFlags.NORMAL); - var bg_stroke = thickness + _min({margin.bottom, margin.top, margin.left, margin.right}); + var bg_stroke = thickness + min({margin.bottom, margin.top, margin.left, margin.right}); var fg_stroke = thickness; - var radius = _min({width, height}) / 2.0 - _max({bg_stroke, fg_stroke}) / 2.0; + var radius = min({width, height}) / 2.0 - max({bg_stroke, fg_stroke}) / 2.0; var center_x = width / 2; var center_y = height / 2; - var start_background = _to_radian(this.start_at); - var end_background = _to_radian(this.end_at); - var ranged_value = this.value + this.start_at; + var start_background = to_radian(start_at); + var end_background = to_radian(end_at); + var ranged_value = value + start_at; - var is_circle = _is_full_circle(this.start_at, this.end_at); + var is_circle = is_full_circle(this.start_at, this.end_at); if (is_circle) { - // Redefine endDraw in radius to create an accurate full circle + // Redefine end_draw in radius to create an accurate full circle end_background = start_background + 2 * Math.PI; + ranged_value = to_radian(value); } else { // Range the value for the arc shape - ranged_value = _map_arc_value_to_range( - this.start_at, - this.end_at, - this.value - ); + ranged_value = to_radian(scale_arc_value( + start_at, + end_at, + value + )); } - var to = _to_radian(ranged_value); double start_progress, end_progress; - if (this.inverted) { - start_progress = (2 * Math.PI - to) - start_background; - end_progress = (2 * Math.PI - start_background) - start_background; + if (inverted) { + start_progress = end_background - ranged_value; + end_progress = end_background; } else { start_progress = start_background; - end_progress = to; + end_progress = start_background + ranged_value; } // Draw background cr.set_source_rgba(bg.red, bg.green, bg.blue, bg.alpha); cr.arc(center_x, center_y, radius, start_background, end_background); - cr.set_line_width(bg_stroke); cr.stroke(); + // Draw rounded background ends + if (rounded) { + var start_x = center_x + Math.cos(start_background) * radius; + var start_y = center_y + Math.sin(start_background) * radius; + var end_x = center_x + Math.cos(end_background) * radius; + var end_y = center_y + Math.sin(end_background) * radius; + cr.set_line_width(0); + cr.arc(start_x, start_y, bg_stroke / 2, 0, 0 - 0.01); + cr.fill(); + cr.arc(end_x, end_y, bg_stroke / 2, 0, 0 - 0.01); + cr.fill(); + } + // Draw progress cr.set_source_rgba(fg.red, fg.green, fg.blue, fg.alpha); cr.arc(center_x, center_y, radius, start_progress, end_progress); cr.set_line_width(fg_stroke); cr.stroke(); - // Draw rounded ends - if (this.rounded) { - var start_x = center_x + Math.cos(start_background); - var start_y = center_y + Math.cos(start_background); - var end_x = center_x + Math.cos(to) * radius; - var end_y = center_y + Math.cos(to) * radius; + // Draw rounded progress ends + if (rounded) { + var start_x = center_x + Math.cos(start_progress) * radius; + var start_y = center_y + Math.sin(start_progress) * radius; + var end_x = center_x + Math.cos(end_progress) * radius; + var end_y = center_y + Math.sin(end_progress) * radius; cr.set_line_width(0); cr.arc(start_x, start_y, fg_stroke / 2, 0, 0 - 0.01); cr.fill(); @@ -162,9 +171,9 @@ public class CircularProgress : Gtk.Bin { cr.fill(); } - if (this.child != null) { - this.child.size_allocate(allocation); - this.propagate_draw(this.child, cr); + if (get_child() != null) { + get_child().size_allocate(allocation); + propagate_draw(get_child(), cr); } return true; |