init

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

border.go

@@ -0,0 +1,44 @@
+package ilovetui
+
+import (
+	"strings"
+
+	"charm.land/lipgloss/v2"
+)
+
+// ContentHeight returns the usable inner height for a bordered panel of totalH rows.
+func ContentHeight(totalH int) int {
+	h := totalH - 2
+	if h < 0 {
+		return 0
+	}
+	return h
+}
+
+// RenderWithTitle renders a bordered box with a title embedded in the top border.
+// title may contain ANSI color codes. width and height are the total outer dimensions.
+//
+// Example:
+//
+//	box := ilovetui.RenderWithTitle(theme.Styles.PanelFocused, "Header", content, w, h)
+func RenderWithTitle(border lipgloss.Style, title, content string, width, height int) string {
+	boxH := height - 1
+	if contentH := boxH - 1; contentH > 0 {
+		lines := strings.Split(content, "\n")
+		if len(lines) > contentH {
+			content = strings.Join(lines[:contentH], "\n")
+		}
+	}
+	box := border.BorderTop(false).Width(width).Height(boxH).Render(content)
+
+	boxWidth := lipgloss.Width(strings.SplitN(box, "\n", 2)[0])
+	titleW := lipgloss.Width(title)
+	fillW := boxWidth - titleW - 4 // 4 = "╭ " + " " + "╮"
+	if fillW < 0 {
+		fillW = 0
+	}
+	bc := lipgloss.NewStyle().Foreground(border.GetBorderTopForeground())
+	topLine := bc.Render("╭ ") + title + bc.Render(" "+strings.Repeat("─", fillW)+"╮")
+
+	return lipgloss.JoinVertical(lipgloss.Left, topLine, box)
+}