init layout, notifications, tabs & more

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

modal/content.go

@@ -0,0 +1,70 @@
+package modal
+
+import tea "charm.land/bubbletea/v2"
+
+// Modal is one popup. Build it via Show's opts rather than a literal: ID
+// gets a default (see WithID) that a bare literal would silently skip.
+type Modal struct {
+	ID      string
+	Title   string
+	Content string
+	// Style, if non-nil, overrides the Model's default Styles for this
+	// modal alone.
+	Style *Styles
+}
+
+// ModalOption configures a Modal built by Show.
+type ModalOption func(*Modal)
+
+// WithID gives the modal a stable id, so a later Show reusing the same id
+// replaces it in place instead of pushing a duplicate on the stack, and so
+// it can be targeted by Dismiss.
+func WithID(id string) ModalOption {
+	return func(mo *Modal) { mo.ID = id }
+}
+
+// WithModalStyle overrides the Model's default Styles for this modal alone,
+// for a one-off custom look instead of the shared theme.
+func WithModalStyle(s Styles) ModalOption {
+	return func(mo *Modal) { mo.Style = &s }
+}
+
+func newModal(title, content string, opts ...ModalOption) Modal {
+	mo := Modal{Title: title, Content: content}
+	for _, opt := range opts {
+		opt(&mo)
+	}
+	return mo
+}
+
+// ShowMsg tells a modal.Model to display Modal, pushing it on top of the
+// stack. Any component in the same bubbletea program can trigger one via
+// Show, without holding a reference to the modal.Model that will actually
+// render it - that Model just needs to see every tea.Msg the program
+// produces, same as any other child model.
+type ShowMsg struct{ Modal Modal }
+
+// Show returns a tea.Cmd that opens a new modal on top of the stack:
+//
+//	return m, modal.Show("Delete file?", "This can't be undone.")
+func Show(title, content string, opts ...ModalOption) tea.Cmd {
+	mo := newModal(title, content, opts...)
+	return func() tea.Msg { return ShowMsg{Modal: mo} }
+}
+
+// DismissMsg closes the modal identified by ID, or the topmost modal if ID
+// is empty.
+type DismissMsg struct{ ID string }
+
+// Dismiss returns a tea.Cmd that closes the modal identified by id. Only
+// useful for modals shown with WithID.
+func Dismiss(id string) tea.Cmd {
+	return func() tea.Msg { return DismissMsg{ID: id} }
+}
+
+// Close returns a tea.Cmd that closes the topmost modal, whatever its id -
+// the common case of a host handling esc/"cancel" without needing to know
+// which modal is currently on top.
+func Close() tea.Cmd {
+	return func() tea.Msg { return DismissMsg{} }
+}