initial commit

2 files changed, 207 insertions, 0 deletions

diff --git a/picom.conf b/picom.conf
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index 0000000..6d003b9
--- /dev/null
+++ b/picom.conf
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+# ╔══════════════════════════════════════════════════════════╗
+# ║                    picom.conf                            ║
+# ╚══════════════════════════════════════════════════════════╝
+
+# ── Backend ──────────────────────────────────────────────────────────────────
+
+backend = "glx";
+
+# ── Vsync ────────────────────────────────────────────────────────────────────
+
+vsync = true;
+
+# ── Custom shader (gradient window borders) ───────────────────────────────────
+# Place gradient-border.glsl in ~/.config/picom/ then uncomment:
+window-shader-fg-rule = [
+  "/home/lanceb/.config/picom/gradient-border.glsl:focused"
+];
+glx-copy-from-front = false;
+use-damage = true;
+
+# ── Corner Rounding ───────────────────────────────────────────────────────────
+
+corner-radius = 5;
+
+# Exclude corners on certain window types (optional – comment out if unwanted)
+rounded-corners-exclude = [
+  "window_type = 'dock'",
+  "window_type = 'desktop'",
+  "class_g = 'Polybar'",
+  "class_g = 'Rofi'"
+];
+
+# ── Opacity ───────────────────────────────────────────────────────────────────
+
+# Unfocused windows get 0.8 opacity
+inactive-opacity = 0.8;
+
+# Focused / active windows are fully opaque
+active-opacity = 1.0;
+
+# Don't let applications override opacity via EWMH hints (set true to respect them)
+inactive-opacity-override = false;
+
+# Exclude certain windows from opacity rules
+opacity-rule = [
+  "100:window_type = 'dock'",
+  "100:window_type = 'desktop'",
+  "100:class_g = 'Rofi'",
+  "100:_NET_WM_STATE@:32a *= '_NET_WM_STATE_FULLSCREEN'"
+];
+
+# ── Background Blur ───────────────────────────────────────────────────────────
+
+blur-background = true;
+blur-method = "dual_kawase";
+blur-strength = 5;
+
+# Don't blur behind the desktop itself
+blur-background-exclude = [
+  "window_type = 'dock'",
+  "window_type = 'desktop'",
+  "_GTK_FRAME_EXTENTS@:c"
+];
+
+# ── Shadows ───────────────────────────────────────────────────────────────────
+
+shadow = true;
+shadow-radius = 12;
+shadow-offset-x = -6;
+shadow-offset-y = -6;
+shadow-opacity = 0.6;
+
+shadow-exclude = [
+  "window_type = 'dock'",
+  "window_type = 'desktop'",
+  "_GTK_FRAME_EXTENTS@:c"
+];
+
+# ── Fading ────────────────────────────────────────────────────────────────────
+
+fading = true;
+fade-in-step = 0.03;
+fade-out-step = 0.03;
+fade-delta = 5;
+
+# ── Window Type Tweaks ────────────────────────────────────────────────────────
+
+wintypes:
+{
+  normal        = { fade = true; shadow = true; };
+  tooltip       = { fade = true; shadow = false; opacity = 0.9; focus = true; };
+  dock          = { shadow = false; clip-shadow-above = true; };
+  dnd           = { shadow = false; };
+  popup_menu    = { opacity = 0.95; };
+  dropdown_menu = { opacity = 0.95; };
+};
+
+# ── Animations ───────────────────────────────────────────────────────────────
+
+animations = ({
+    triggers = ["open", "show"];
+    
+    scale-x = {
+        curve = "cubic-bezier(0.22, 1, 0.36, 1)";
+        duration = 0.18;
+        start = 0.85;
+        end = 1;
+    };
+    
+    scale-y = "scale-x";
+
+    offset-x = "(1 - scale-x) / 2 * window-width";
+    offset-y = "(1 - scale-y) / 2 * window-height";
+
+    shadow-scale-x = "scale-x";
+    shadow-scale-y = "scale-y";
+    shadow-offset-x = "offset-x";
+    shadow-offset-y = "offset-y";
+
+}, {
+    triggers = ["close", "hide"];
+
+    scale-x = {
+        curve = "cubic-bezier(0.4, 0, 1, 1)";
+        duration = 0.15;
+        start = 1;
+        end = 1.1;
+    };
+
+    scale-y = "scale-x";
+
+    offset-x = "(1 - scale-x) / 2 * window-width";
+    offset-y = "(1 - scale-y) / 2 * window-height";
+
+    shadow-scale-x = "scale-x";
+    shadow-scale-y = "scale-y";
+    shadow-offset-x = "offset-x";
+    shadow-offset-y = "offset-y";
+
+    opacity = {
+        curve = "linear";
+        duration = 0.15;
+        start = "window-raw-opacity-before";
+        end = 0;
+    };
+
+    shadow-opacity = "opacity";
+});
+
diff --git a/picom/gradient-border.glsl b/picom/gradient-border.glsl
new file mode 100644
index 0000000..0c2c25c
--- /dev/null
+++ b/picom/gradient-border.glsl
@@ -0,0 +1,58 @@
+#version 330
+
+// ── Gradient border shader for picom ─────────────────────────────────────────
+// Blends a diagonal gradient (top-left → bottom-right) over the window border.
+//
+// COLOR_A : top-left colour  — #7B2FBE (purple)
+// COLOR_B : bottom-right     — #2FB8BE (teal)
+//
+// To change colours: convert hex → float by dividing each channel by 255.
+
+// ── Tuneable constants ────────────────────────────────────────────────────────
+
+const float BORDER_WIDTH   = 4.0;   // Border band thickness in pixels
+const float BORDER_OPACITY = 0.95;  // How strongly the gradient is applied
+
+// COLOR_A: #7B2FBE  (vibrant purple)
+const vec3 COLOR_A = vec3(0.106,  0.992,  0.612);
+
+// COLOR_B: #2FB8BE  (cyan-teal)
+const vec3 COLOR_B = vec3(0.651,  1.0,  0.788);
+
+// ── Picom-provided ────────────────────────────────────────────────────────────
+
+in vec2 texcoord;           // Fragment texture coordinate (in pixels)
+uniform sampler2D tex;      // Window texture
+
+// Picom's built-in post-processing (opacity, rounded corners, etc.)
+vec4 default_post_processing(vec4 c);
+
+// ── Entry point ───────────────────────────────────────────────────────────────
+
+vec4 window_shader() {
+    // Sample the original window pixel
+    vec4 c = texelFetch(tex, ivec2(texcoord), 0);
+
+    // Derive texture size from the sampler
+    vec2 size = vec2(textureSize(tex, 0));
+
+    // Normalised UV (0,0) top-left → (1,1) bottom-right
+    vec2 uv = texcoord / size;
+
+    // Diagonal gradient factor
+    float t = (uv.x + uv.y) * 0.5;
+    vec3 gradient = mix(COLOR_A, COLOR_B, t);
+
+    // Border mask: 1.0 on the edge band, 0.0 in the interior
+    float left   = smoothstep(0.0, BORDER_WIDTH, texcoord.x);
+    float right  = smoothstep(0.0, BORDER_WIDTH, size.x - texcoord.x);
+    float top    = smoothstep(0.0, BORDER_WIDTH, texcoord.y);
+    float bottom = smoothstep(0.0, BORDER_WIDTH, size.y - texcoord.y);
+    float mask   = 1.0 - (left * right * top * bottom);
+
+    // Blend gradient onto border region only
+    c.rgb = mix(c.rgb, gradient, mask * BORDER_OPACITY);
+
+    // Let picom handle opacity, rounded corners, etc.
+    return default_post_processing(c);
+}