From d4ea66aa3b6fd9ffedbf42ab21a4eb34bc91ccbe Mon Sep 17 00:00:00 2001
From: San Jacobs
Date: Wed, 11 Sep 2024 18:45:51 +0200
Subject: Updated odin again, odin version dev-2024-09:9b06ea5bf should work
 now

---
 lib/oui/oui.odin | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

(limited to 'lib/oui/oui.odin')

diff --git a/lib/oui/oui.odin b/lib/oui/oui.odin
index 88bafa1..bde88f0 100644
--- a/lib/oui/oui.odin
+++ b/lib/oui/oui.odin
@@ -147,9 +147,14 @@ Layout :: enum {
 	Absolute,
 	Relative,
 	Fractional,
+	Range,
 	// Custom,
 }
 
+Direction :: enum {
+	Horizontal,
+	Vertical,
+}
 // MOUSE calls: 
 //   Down / Up called 1 frame
 //   Hot_Up called when active was over hot
@@ -226,6 +231,10 @@ Item :: struct {
 
 	// persistent data per item - queryable after end_layout
 	anim: Animation,
+	
+    range_start: f32,  // Start position (0.0 to 1.0)
+    range_end: f32,    // End position (0.0 to 1.0)
+    range_direction: Direction
 }
 
 Animation :: struct {
@@ -747,6 +756,13 @@ focus_redirect :: proc(ctx: ^Context, item: ^Item) {
 	ctx.focus_redirect_item = item.id
 }
 
+set_range :: proc(item: ^Item, start, end: f32, direction: Direction) {
+    item.layout = .Range
+    item.range_start = clamp(start, 0, 1)
+    item.range_end = clamp(end, 0, 1)
+    item.range_direction = direction
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // ITERATION
 ////////////////////////////////////////////////////////////////////////////////
@@ -877,6 +893,13 @@ activeness2 :: proc(item: ^Item) -> f32 #no_bounds_check {
 // compute the size of an item
 // optional HSIZED / VSIZED for custom sizes
 compute_size :: proc(item: ^Item) #no_bounds_check {
+    if item.layout == .Range {
+        // Skip size computation for Range items
+        // Their size will be determined during the arrange phase
+        // based on their parent's size and their range values
+        return
+    }
+    
 	item.bounds.r = item.layout_size.x
 	item.bounds.b = item.layout_size.y
 
@@ -939,6 +962,9 @@ arrange :: proc(item: ^Item, layout: ^RectI, gap: int) #no_bounds_check {
 		
 	case .Fractional:
 		rect.sized(&item.bounds, item.layout_offset, item.layout_size)
+	
+	case .Range:
+		range_layout(item, layout)
 	}
 
 	// layout children with this resultant rect for LAYOUT_CUT
@@ -960,6 +986,31 @@ item_root :: proc(ctx: ^Context) -> ^Item {
 	return &ctx.items[0]
 }
 
+range_layout :: proc(item: ^Item, parent_bounds: ^RectI) {
+    parent_width := rect.widthi(parent_bounds^)
+    parent_height := rect.heighti(parent_bounds^)
+
+    if item.range_direction == .Horizontal {
+        start_x := parent_bounds.l + int(f32(parent_width) * item.range_start)
+        end_x := parent_bounds.l + int(f32(parent_width) * item.range_end)
+        item.bounds = {
+            l = start_x,
+            t = parent_bounds.t,
+            r = end_x - start_x,  // width
+            b = parent_height,
+        }
+    } else {
+        start_y := parent_bounds.t + int(f32(parent_height) * item.range_start)
+        end_y := parent_bounds.t + int(f32(parent_height) * item.range_end)
+        item.bounds = {
+            l = parent_bounds.l,
+            t = start_y,
+            r = parent_width,
+            b = end_y - start_y,  // height
+        }
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // ID gen - same as microui
 ////////////////////////////////////////////////////////////////////////////////
-- 
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