diff options
Diffstat (limited to 'Lib/idlelib/CallTipWindow.py')
| -rw-r--r-- | Lib/idlelib/CallTipWindow.py | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/Lib/idlelib/CallTipWindow.py b/Lib/idlelib/CallTipWindow.py deleted file mode 100644 index 8e68a76..0000000 --- a/Lib/idlelib/CallTipWindow.py +++ /dev/null @@ -1,161 +0,0 @@ -"""A CallTip window class for Tkinter/IDLE. - -After ToolTip.py, which uses ideas gleaned from PySol -Used by the CallTips IDLE extension. -""" -from tkinter import Toplevel, Label, LEFT, SOLID, TclError - -HIDE_VIRTUAL_EVENT_NAME = "<<calltipwindow-hide>>" -HIDE_SEQUENCES = ("<Key-Escape>", "<FocusOut>") -CHECKHIDE_VIRTUAL_EVENT_NAME = "<<calltipwindow-checkhide>>" -CHECKHIDE_SEQUENCES = ("<KeyRelease>", "<ButtonRelease>") -CHECKHIDE_TIME = 100 # miliseconds - -MARK_RIGHT = "calltipwindowregion_right" - -class CallTip: - - def __init__(self, widget): - self.widget = widget - self.tipwindow = self.label = None - self.parenline = self.parencol = None - self.lastline = None - self.hideid = self.checkhideid = None - self.checkhide_after_id = None - - def position_window(self): - """Check if needs to reposition the window, and if so - do it.""" - curline = int(self.widget.index("insert").split('.')[0]) - if curline == self.lastline: - return - self.lastline = curline - self.widget.see("insert") - if curline == self.parenline: - box = self.widget.bbox("%d.%d" % (self.parenline, - self.parencol)) - else: - box = self.widget.bbox("%d.0" % curline) - if not box: - box = list(self.widget.bbox("insert")) - # align to left of window - box[0] = 0 - box[2] = 0 - x = box[0] + self.widget.winfo_rootx() + 2 - y = box[1] + box[3] + self.widget.winfo_rooty() - self.tipwindow.wm_geometry("+%d+%d" % (x, y)) - - def showtip(self, text, parenleft, parenright): - """Show the calltip, bind events which will close it and reposition it. - """ - # Only called in CallTips, where lines are truncated - self.text = text - if self.tipwindow or not self.text: - return - - self.widget.mark_set(MARK_RIGHT, parenright) - self.parenline, self.parencol = map( - int, self.widget.index(parenleft).split(".")) - - self.tipwindow = tw = Toplevel(self.widget) - self.position_window() - # remove border on calltip window - tw.wm_overrideredirect(1) - try: - # This command is only needed and available on Tk >= 8.4.0 for OSX - # Without it, call tips intrude on the typing process by grabbing - # the focus. - tw.tk.call("::tk::unsupported::MacWindowStyle", "style", tw._w, - "help", "noActivates") - except TclError: - pass - self.label = Label(tw, text=self.text, justify=LEFT, - background="#ffffe0", relief=SOLID, borderwidth=1, - font = self.widget['font']) - self.label.pack() - tw.lift() # work around bug in Tk 8.5.18+ (issue #24570) - - self.checkhideid = self.widget.bind(CHECKHIDE_VIRTUAL_EVENT_NAME, - self.checkhide_event) - for seq in CHECKHIDE_SEQUENCES: - self.widget.event_add(CHECKHIDE_VIRTUAL_EVENT_NAME, seq) - self.widget.after(CHECKHIDE_TIME, self.checkhide_event) - self.hideid = self.widget.bind(HIDE_VIRTUAL_EVENT_NAME, - self.hide_event) - for seq in HIDE_SEQUENCES: - self.widget.event_add(HIDE_VIRTUAL_EVENT_NAME, seq) - - def checkhide_event(self, event=None): - if not self.tipwindow: - # If the event was triggered by the same event that unbinded - # this function, the function will be called nevertheless, - # so do nothing in this case. - return - curline, curcol = map(int, self.widget.index("insert").split('.')) - if curline < self.parenline or \ - (curline == self.parenline and curcol <= self.parencol) or \ - self.widget.compare("insert", ">", MARK_RIGHT): - self.hidetip() - else: - self.position_window() - if self.checkhide_after_id is not None: - self.widget.after_cancel(self.checkhide_after_id) - self.checkhide_after_id = \ - self.widget.after(CHECKHIDE_TIME, self.checkhide_event) - - def hide_event(self, event): - if not self.tipwindow: - # See the explanation in checkhide_event. - return - self.hidetip() - - def hidetip(self): - if not self.tipwindow: - return - - for seq in CHECKHIDE_SEQUENCES: - self.widget.event_delete(CHECKHIDE_VIRTUAL_EVENT_NAME, seq) - self.widget.unbind(CHECKHIDE_VIRTUAL_EVENT_NAME, self.checkhideid) - self.checkhideid = None - for seq in HIDE_SEQUENCES: - self.widget.event_delete(HIDE_VIRTUAL_EVENT_NAME, seq) - self.widget.unbind(HIDE_VIRTUAL_EVENT_NAME, self.hideid) - self.hideid = None - - self.label.destroy() - self.label = None - self.tipwindow.destroy() - self.tipwindow = None - - self.widget.mark_unset(MARK_RIGHT) - self.parenline = self.parencol = self.lastline = None - - def is_active(self): - return bool(self.tipwindow) - - -def _calltip_window(parent): # htest # - from tkinter import Toplevel, Text, LEFT, BOTH - - top = Toplevel(parent) - top.title("Test calltips") - top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200, - parent.winfo_rooty() + 150)) - text = Text(top) - text.pack(side=LEFT, fill=BOTH, expand=1) - text.insert("insert", "string.split") - top.update() - calltip = CallTip(text) - - def calltip_show(event): - calltip.showtip("(s=Hello world)", "insert", "end") - def calltip_hide(event): - calltip.hidetip() - text.event_add("<<calltip-show>>", "(") - text.event_add("<<calltip-hide>>", ")") - text.bind("<<calltip-show>>", calltip_show) - text.bind("<<calltip-hide>>", calltip_hide) - text.focus_set() - -if __name__=='__main__': - from idlelib.idle_test.htest import run - run(_calltip_window) |