From eda3ea121078e14e6b5f91d55c76641ccaf85fb3 Mon Sep 17 00:00:00 2001
From: RayJason <i@rayjason.cn>
Date: Tue, 30 Jul 2024 15:44:38 +0800
Subject: [PATCH 1/3] fix: splitview layout view size with hidden view

---
 packages/dockview-core/src/splitview/splitview.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/dockview-core/src/splitview/splitview.ts b/packages/dockview-core/src/splitview/splitview.ts
index 6fd1c2f28..319020458 100644
--- a/packages/dockview-core/src/splitview/splitview.ts
+++ b/packages/dockview-core/src/splitview/splitview.ts
@@ -811,9 +811,10 @@ export class Splitview {
             return;
         }
 
-        const sashCount = this.viewItems.length - 1;
-        const marginReducedSize =
-            (this.margin * sashCount) / this.viewItems.length;
+        const visibleViewItemCount = this.viewItems.filter((i) => i.visible).length
+
+        const sashCount = visibleViewItemCount - 1
+        const marginReducedSize = (this.margin * sashCount) / visibleViewItemCount
 
         let totalLeftOffset = 0;
         const viewLeftOffsets: number[] = [];

From ee74785d7e397f6d29f3379f851c0bc663ef5cd7 Mon Sep 17 00:00:00 2001
From: RayJason <i@rayjason.cn>
Date: Tue, 30 Jul 2024 21:11:36 +0800
Subject: [PATCH 2/3] fix: calc views style

---
 packages/dockview-core/src/splitview/splitview.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/dockview-core/src/splitview/splitview.ts b/packages/dockview-core/src/splitview/splitview.ts
index 319020458..ecbf9c2aa 100644
--- a/packages/dockview-core/src/splitview/splitview.ts
+++ b/packages/dockview-core/src/splitview/splitview.ts
@@ -819,6 +819,7 @@ export class Splitview {
         let totalLeftOffset = 0;
         const viewLeftOffsets: number[] = [];
 
+        // Calc sashes style
         for (let i = 0; i < this.viewItems.length - 1; i++) {
             totalLeftOffset += this.viewItems[i].size;
             viewLeftOffsets.push(totalLeftOffset);
@@ -837,10 +838,12 @@ export class Splitview {
                 this.sashes[i].container.style.top = `${offset}px`;
             }
         }
+
+        // Calc views style
         this.viewItems.forEach((view, i) => {
             const size = view.size - marginReducedSize;
             const offset =
-                i === 0
+                i === 0 || sashCount === 0
                     ? 0
                     : viewLeftOffsets[i - 1] +
                       (i / sashCount) * marginReducedSize;

From 1cd4251083a18a5c621a211638b27324041c8202 Mon Sep 17 00:00:00 2001
From: RayJason <i@rayjason.cn>
Date: Tue, 30 Jul 2024 23:10:22 +0800
Subject: [PATCH 3/3] fix: mistake of sashes offset when custom gap

---
 packages/dockview-core/src/splitview/splitview.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/dockview-core/src/splitview/splitview.ts b/packages/dockview-core/src/splitview/splitview.ts
index ecbf9c2aa..aea494098 100644
--- a/packages/dockview-core/src/splitview/splitview.ts
+++ b/packages/dockview-core/src/splitview/splitview.ts
@@ -825,7 +825,7 @@ export class Splitview {
             viewLeftOffsets.push(totalLeftOffset);
 
             const offset = Math.min(
-                Math.max(0, totalLeftOffset - 2),
+                Math.max(0, totalLeftOffset - (1 + this.margin) / 2),
                 this.size - this.margin
             );