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-rw-r--r--main/src/ui/widgets/natural_size_increase.vala59
1 files changed, 59 insertions, 0 deletions
diff --git a/main/src/ui/widgets/natural_size_increase.vala b/main/src/ui/widgets/natural_size_increase.vala
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--- /dev/null
+++ b/main/src/ui/widgets/natural_size_increase.vala
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+using Gtk;
+
+public class Dino.Ui.NaturalSizeIncrease : Gtk.Widget {
+ public int min_natural_height { get; set; default = -1; }
+ public int min_natural_width { get; set; default = -1; }
+
+ construct {
+ this.notify.connect(queue_resize);
+ }
+
+ public override void measure(Orientation orientation, int for_size, out int minimum, out int natural, out int minimum_baseline, out int natural_baseline) {
+ minimum = 0;
+ if (orientation == Orientation.HORIZONTAL) {
+ natural = min_natural_width;
+ } else {
+ natural = min_natural_height;
+ }
+ natural = int.max(0, natural);
+ minimum_baseline = -1;
+ natural_baseline = -1;
+ Widget child = get_first_child();
+ while (child != null) {
+ if (child.should_layout()) {
+ int child_min = 0;
+ int child_nat = 0;
+ int child_min_baseline = -1;
+ int child_nat_baseline = -1;
+ child.measure(orientation, -1, out child_min, out child_nat, out child_min_baseline, out child_nat_baseline);
+ minimum = int.max(minimum, child_min);
+ natural = int.max(natural, child_nat);
+ if (child_min_baseline > 0) {
+ minimum_baseline = int.max(minimum_baseline, child_min_baseline);
+ }
+ if (child_nat_baseline > 0) {
+ natural_baseline = int.max(natural_baseline, child_nat_baseline);
+ }
+ }
+ child = child.get_next_sibling();
+ }
+ }
+
+ public override void size_allocate(int width, int height, int baseline) {
+ Widget child = get_first_child();
+ while (child != null) {
+ if (child.should_layout()) {
+ child.allocate(width, height, baseline, null);
+ }
+ child = child.get_next_sibling();
+ }
+ }
+
+ public override SizeRequestMode get_request_mode() {
+ Widget child = get_first_child();
+ if (child != null) {
+ return child.get_request_mode();
+ }
+ return SizeRequestMode.CONSTANT_SIZE;
+ }
+} \ No newline at end of file