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-rw-r--r--jfr_playoff/gui/frames/__init__.py34
1 files changed, 34 insertions, 0 deletions
diff --git a/jfr_playoff/gui/frames/__init__.py b/jfr_playoff/gui/frames/__init__.py
index 50860b1..623b5bd 100644
--- a/jfr_playoff/gui/frames/__init__.py
+++ b/jfr_playoff/gui/frames/__init__.py
@@ -326,3 +326,37 @@ class RefreshableOptionMenu(ttk.OptionMenu):
def getOptions(self):
pass
+
+class TraceableText(tk.Text):
+ def __init__(self, *args, **kwargs):
+ self._variable = None
+ self._variableLock = False
+ if 'variable' in kwargs:
+ self._variable = kwargs['variable']
+ del kwargs['variable']
+ tk.Text.__init__(self, *args, **kwargs)
+ if self._variable is not None:
+ self._orig = self._w + '_orig'
+ self.tk.call('rename', self._w, self._orig)
+ self.tk.createcommand(self._w, self._proxy)
+ self._variable.trace('w', self._fromVariable)
+
+ def _fromVariable(self, *args):
+ if not self._variableLock:
+ self._variableLock = True
+ self.delete('1.0', tk.END)
+ self.insert(tk.END, self._variable.get())
+ self._varaibleLock = False
+
+ def _proxy(self, command, *args):
+ cmd = (self._orig, command) + args
+ result = self.tk.call(cmd)
+ if command in ('insert', 'delete', 'replace') and \
+ not self._variableLock:
+ text = self.get('1.0', tk.END).strip()
+ self._variableLock = True
+ self._variable.set(text)
+ self._variableLock = False
+ return result
+
+# TODO: NumericSpinBox instead of getIntVal