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-rw-r--r--src/command.rs45
1 files changed, 42 insertions, 3 deletions
diff --git a/src/command.rs b/src/command.rs
index 064d767..d80f1f2 100644
--- a/src/command.rs
+++ b/src/command.rs
@@ -22,11 +22,11 @@ impl CommandBox {
22 } 22 }
23 } 23 }
24 24
25 fn cursor_end(&mut self) { 25 pub fn cursor_end(&mut self) {
26 self.cursor = self.text.len(); 26 self.cursor = self.text.len();
27 } 27 }
28 28
29 fn cursor_start(&mut self) { 29 pub fn cursor_start(&mut self) {
30 self.cursor = 0; 30 self.cursor = 0;
31 } 31 }
32 32
@@ -47,8 +47,17 @@ impl CommandBox {
47 } 47 }
48 } 48 }
49 49
50 pub fn delete_to_end(&mut self) {
51 self.text.truncate(self.cursor);
52 }
53
54 pub fn delete_to_start(&mut self) {
55 self.text = self.text.chars().skip(self.cursor).collect();
56 self.cursor = 0;
57 }
58
50 pub fn push_str(&mut self, v: &str) { 59 pub fn push_str(&mut self, v: &str) {
51 self.text.push_str(v); 60 self.text.insert_str(self.cursor, v);
52 self.cursor += v.len(); 61 self.cursor += v.len();
53 } 62 }
54 63
@@ -143,6 +152,36 @@ mod command_tests {
143 } 152 }
144 153
145 #[test] 154 #[test]
155 fn entering_text_between() {
156 let mut cmd = setup_with("save as file.png");
157 cmd.backward();
158 cmd.backward();
159 cmd.backward();
160 cmd.push_str("ext");
161 assert_eq!(&cmd.text, "save as file.extpng");
162 }
163
164 #[test]
165 fn delete_to_end() {
166 let mut cmd = setup_with("save as file.png");
167 cmd.backward();
168 cmd.backward();
169 cmd.backward();
170 cmd.delete_to_end();
171 assert_eq!(&cmd.text, "save as file.");
172 }
173
174 #[test]
175 fn delete_to_start() {
176 let mut cmd = setup_with("save as file.png");
177 cmd.backward();
178 cmd.backward();
179 cmd.backward();
180 cmd.delete_to_start();
181 assert_eq!(&cmd.text, "png");
182 }
183
184 #[test]
146 fn backspacing_from_end() { 185 fn backspacing_from_end() {
147 let mut cmd = setup_with("save"); 186 let mut cmd = setup_with("save");
148 cmd.backspace(); 187 cmd.backspace();