fix: closed panels don't add resistance to bounce + use qtrendering for text

Plugins/ZShell/Blobs/shaders/blob.frag

@@ -65,6 +65,19 @@ float smaxSharpA(float a, float b, float k) {
 void main() {
   vec2 pixel = vec2(paddedX, paddedY) + qt_TexCoord0 * vec2(paddedW, paddedH);
 
+  // The frame distances are needed before the per-rect pass. In the border strip the
+  // boundary is the frame, displaced only by the shape that is pushing, so a shape that
+  // is not the source must not define the boundary there. It still fills the inner area,
+  // so this only gates the strip, which is the bar edge.
+  float dOuter = 0.0;
+  float dInner = 0.0;
+  bool inStrip = false;
+  if (hasInverted != 0) {
+    dOuter = sdBox(pixel, invertedOuter.xy, invertedOuter.zw) - 1.0;
+    dInner = sdRoundedBox(pixel, invertedInner.xy, invertedInner.zw, invertedRadius);
+    inStrip = dOuter < 0.0 && dInner > 0.0;
+  }
+
   // Phase 1: compute per-rect SDF, and track which rect owns the pixel for the
   // per-shape path (BlobGroup). The single group draw (BlobGroup2) has no owner:
   // myIndex stays -2, so the ownership test is skipped and this pass writes every
@@ -78,10 +91,17 @@ void main() {
     vec4 props =
         rectData[i * 5 + 1]; // excludeMask(int bits), offsetX, offsetY, minEig
     vec4 invDm = rectData[i * 5 + 2]; // inverse deform matrix
-    vec4 sh = rectData[i * 5 + 3];    // screenHalfX, screenHalfY, 0, 0
+    vec4 sh = rectData[i * 5 + 3]; // screenHalfX, screenHalfY, isSource, 0
     vec4 radii =
         rectData[i * 5 + 4]; // effective per-corner radii (tr, br, bl, tl)
 
+    // A shape that is not pushing does not shape the bar edge, so inside the strip it
+    // must not add its own outline to a span another shape is already shaping.
+    if (inStrip && sh.z < 0.5) {
+      dArr[i] = 1e10;
+      continue;
+    }
+
     // Offset center for asymmetric deformation
     vec2 center = rect.xy + props.yz;
 
@@ -182,10 +202,6 @@ void main() {
   }
 
   if (hasInverted != 0) {
-    float dOuter = sdBox(pixel, invertedOuter.xy, invertedOuter.zw) - 1.0;
-    float dInner =
-        sdRoundedBox(pixel, invertedInner.xy, invertedInner.zw, invertedRadius);
-
     // Border sinks: track the opposite rect edge, clamped to border thickness
     float innerTop = invertedInner.y - invertedInner.w;
     float innerBot = invertedInner.y + invertedInner.w;
@@ -198,6 +214,10 @@ void main() {
 
     float sinkValue = 0.0;
     for (int i = 0; i < rectCount; i++) {
+      // Only a shape that is pushing can move the border.
+      if (rectData[i * 5 + 3].z < 0.5)
+        continue;
+
       vec4 rect = rectData[i * 5];
       vec4 sinkProps = rectData[i * 5 + 1];
       vec2 sinkSh = rectData[i * 5 + 3].xy;
@@ -208,7 +228,7 @@ void main() {
       // Delay sink to absorb smin blend depth (cubic smin max = k/6)
       float preOff = smoothFactor * (1.0 / 6.0);
 
-      // Top border: track rect's BOTTOM edge, only within border thickness
+      // Top border: track rect's BOTTOM edge, clamped to border thickness
       float topPen = clamp(innerTop - (ctr.y + sinkSh.y) - preOff, 0.0,
                            innerTop - outerTop);