Created
April 11, 2021 20:43
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| class TreeviewTooltip: | |
| def __init__(self, treeview, texts=[]): | |
| self._treeview = treeview | |
| self._texts = texts | |
| self._tooltip_window = None | |
| self._tooltip_x = self.tooltip_y = 0 | |
| self._last_idd = self._last_col = None | |
| self._waittime = 500 | |
| self._id = None | |
| self._style = ttk.Style() | |
| self._treeview.bind("<Motion>", self.schedule) | |
| @property | |
| def treeview(self): | |
| return self._treeview | |
| @property | |
| def texts(self): | |
| return self._texts | |
| @texts.setter | |
| def texts(self, value): | |
| self._texts = value | |
| def schedule(self, event): | |
| self.unschedule() | |
| idd = self._treeview.identify_row(event.y) | |
| col = self._treeview.identify_column(event.x) | |
| if not idd or not self._texts[int(idd)][int(col.strip("#"))-1]: | |
| if self._tooltip_window: | |
| self.hide() | |
| return | |
| if idd == self._last_idd and col == self._last_col: | |
| return | |
| if self._tooltip_window: | |
| self.hide() | |
| self._id = self._treeview.after(self._waittime, lambda: self.show(event)) | |
| def unschedule(self): | |
| id = self._id | |
| self._id = None | |
| if id: | |
| self._treeview.after_cancel(id) | |
| def show(self, event): | |
| idd = self._treeview.identify_row(event.y) | |
| col = self._treeview.identify_column(event.x) | |
| #x, y, cx, cy = self.bbox("insert") | |
| x, y, cx, cy = self._treeview.bbox(idd, column=col) | |
| #x = event.x | |
| x = x + self._treeview.winfo_rootx() + 1 | |
| y = y + cy + self._treeview.winfo_rooty() #+ 20#- 3# + 20 | |
| width = self._treeview.column(f'{int(col.strip("#"))-1}')['width'] | |
| height = self._style.lookup("Treeview", "rowheight") | |
| self._tooltip_window = tk.Toplevel(self._treeview) | |
| self._tooltip_window.wm_overrideredirect(1) | |
| self._tooltip_window.wm_geometry(f"+{x}+{y}") | |
| try: | |
| # For Mac OS | |
| self._tooltip_window.tk.call("::tk::unsupported::MacWindowStyle", | |
| "style", self._tooltip_window._w, | |
| "help", "noActivates") | |
| except tk.TclError: | |
| pass | |
| if self._treeview.tag_has("bold", idd): | |
| weight="bold" | |
| else: | |
| weight="normal" | |
| label = tk.Label(self._tooltip_window, | |
| text=self._texts[int(idd)][int(col.strip("#"))-1], | |
| justify=tk.LEFT, background="#ffffe0", | |
| relief=tk.SOLID, borderwidth=1, | |
| font=(FONTNAME, "13", weight), | |
| wraplength=width) | |
| label.grid(ipadx=1, ipady=2, sticky="n") | |
| self._last_idd = idd | |
| self._last_col = col | |
| def hide(self): | |
| if self._tooltip_window: | |
| self._tooltip_window.destroy() | |
| self._tooltip_window = None | |
| self._last_idd = self._last_col = None |
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