Initial revision

Lib/idlelib/SearchDialog.py

@@ -0,0 +1,67 @@
+from Tkinter import *
+import SearchEngine
+from SearchDialogBase import SearchDialogBase
+
+
+def _setup(text):
+    root = text._root()
+    engine = SearchEngine.get(root)
+    if not hasattr(engine, "_searchdialog"):
+        engine._searchdialog = SearchDialog(root, engine)
+    return engine._searchdialog
+
+def find(text):
+    return _setup(text).open(text)
+
+def find_again(text):
+    return _setup(text).find_again(text)
+
+def find_selection(text):
+    return _setup(text).find_selection(text)
+
+class SearchDialog(SearchDialogBase):
+
+    def create_widgets(self):
+        f = SearchDialogBase.create_widgets(self)
+        self.make_button("Find", self.default_command, 1)
+
+    def default_command(self, event=None):
+        if not self.engine.getprog():
+            return
+        if self.find_again(self.text):
+            self.close()
+
+    def find_again(self, text):
+        if not self.engine.getpat():
+            self.open(text)
+            return 0
+        if not self.engine.getprog():
+            return 0
+        res = self.engine.search_text(text)
+        if res:
+            line, m = res
+            i, j = m.span()
+            first = "%d.%d" % (line, i)
+            last = "%d.%d" % (line, j)
+            try:
+                selfirst = text.index("sel.first")
+                sellast = text.index("sel.last")
+                if selfirst == first and sellast == last:
+                    text.bell()
+                    return 0
+            except TclError:
+                pass
+            text.tag_remove("sel", "1.0", "end")
+            text.tag_add("sel", first, last)
+            text.mark_set("insert", self.engine.isback() and first or last)
+            text.see("insert")
+            return 1
+        else:
+            text.bell()
+            return 0
+
+    def find_selection(self, text):
+        pat = text.get("sel.first", "sel.last")
+        if pat:
+            self.engine.setcookedpat(pat)
+        return self.find_again(text)