fix negative column widths

1 files changed, 21 insertions, 21 deletions

diff --git a/teensy/teensy_ui.c b/teensy/teensy_ui.c
index 58005b8..8449417 100644
--- a/teensy/teensy_ui.c
+++ b/teensy/teensy_ui.c
@@ -42,6 +42,7 @@ typedef struct {
     float column_widths[TYUI_MAX_LAYOUT_SIZE];
     int max_height;
     int total_height;
+    int x;
     int width;
 } Layout;
 
@@ -160,46 +161,45 @@ void advance_layout(void)
     l->total_height += l->max_height + padding();
     l->idx = 0;
     l->max_height = 0;
+
+    if (l == window()->layout_stack)
+        l->x = padding();
+    else
+        l->x = 0;
 }
 
 static
-int get_column_width(const Layout *l, int x, float width)
+int get_column_width(const Layout *l)
 {
+    float width = l->column_widths[l->idx];
     if (width < 0)
-        return (l->width - padding() * 2) - width - x;
+        return width + l->width - l->x + 1;
     if (width < 1)
         return (l->width - padding() * 2) * width;
     return width;
 }
 
 static
-int get_column_x(const Layout *l)
-{
-    int x = 0;
-    for (int i = 0; i < l->idx; i++)
-        x += get_column_width(l, x, l->column_widths[i]) + padding();
-    return x;
-}
-
-static
 ty_Recti next_rect(int height)
 {
     Layout *l = layout();
 
     l->max_height = ty_max(l->max_height, height);
 
-    int x = get_column_x(l) + padding();
-    float width = get_column_width(l, x, l->column_widths[l->idx]);
+    float width = get_column_width(l);
 
+    int x = 0;
     int y = 0;
     for (Layout *outer = window()->layout_stack; outer <= l; outer++) {
-        x += get_column_x(outer);
+        x += outer->x;
         y += outer->total_height;
     }
 
     x += window()->rect.x;
     y += window()->rect.y;
 
+    l->x += width + padding();
+
     advance_layout();
 
     return ty_recti(x, y, width, height);
@@ -274,15 +274,14 @@ void tyui_push_layout(const float *column_widths)
         sizeof(*column_widths) * new->columns
     );
 
-    new->total_height = 0;
+    new->x = 0;
 
-    if (new != window()->layout_stack) {
-        int x = get_column_x(outer);
-        new->width =
-            get_column_width(outer, x, outer->column_widths[outer->idx]);
-    } else {
+    if (new != window()->layout_stack)
+        new->width = get_column_width(outer);
+    else
         new->width = window()->rect.w;
-    }
+
+    new->width -= padding();
 }
 
 void tyui_pop_layout(void)
@@ -290,6 +289,7 @@ void tyui_pop_layout(void)
     Layout *old = pop_layout();
     Layout *top = layout();
     top->max_height = ty_max(top->max_height, old->total_height - padding());
+    top->x += old->width + padding();
     advance_layout();
 }