Have a Heart (movie, 1934)

Sally (Jean Parker) is engaged to be married, loves dancing and kids. But her life is ruined when an accident cripples her and her betrothed magnanimously offers to not back out of the marriage. After rejecting his offer she starts a doll shop and tries to save for an operation. From her doll shop window she watches children and talks to Jimmie (James Dunn) the ice cream man. She wants to know Jimmie better, but is terrified of rejection.