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-rw-r--r--core/src/widget/circularprogress.vala95
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;