From 7f35f33b4ca16509e127976772db6abd9abf100b Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Fri, 20 Oct 2023 20:15:41 +0100
Subject: surface/wayland: conform to small surface requirements

do not stretch small surfaces, instead center them if they fit.
---
 src/helpers/WLSurface.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/helpers/WLSurface.cpp')

diff --git a/src/helpers/WLSurface.cpp b/src/helpers/WLSurface.cpp
index 8524c9a5..a34c77a1 100644
--- a/src/helpers/WLSurface.cpp
+++ b/src/helpers/WLSurface.cpp
@@ -27,12 +27,29 @@ wlr_surface* CWLSurface::wlr() const {
     return m_pWLRSurface;
 }
 
+bool CWLSurface::small() const {
+    if (!m_pOwner || !exists())
+        return false;
+
+    return m_pOwner->m_vReportedSize.x > m_pWLRSurface->current.buffer_width || m_pOwner->m_vReportedSize.y > m_pWLRSurface->current.buffer_height;
+}
+
+Vector2D CWLSurface::correctSmallVec() const {
+    if (!m_pOwner || !exists() || !small() || m_bFillIgnoreSmall)
+        return {};
+
+    return Vector2D{(m_pOwner->m_vReportedSize.x - m_pWLRSurface->current.buffer_width) / 2, (m_pOwner->m_vReportedSize.y - m_pWLRSurface->current.buffer_height) / 2}.clamp(
+               {}, {INFINITY, INFINITY}) *
+        (m_pOwner->m_vRealSize.vec() / m_pOwner->m_vReportedSize);
+}
+
 void CWLSurface::destroy() {
     if (!m_pWLRSurface)
         return;
 
     hyprListener_destroy.removeCallback();
     m_pWLRSurface->data = nullptr;
+    m_pOwner            = nullptr;
 
     if (g_pCompositor->m_pLastFocus == m_pWLRSurface)
         g_pCompositor->m_pLastFocus = nullptr;
-- 
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