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e� dS dS )z�Tools for displaying tool-tips.
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* an abstract base-class for different kinds of tooltips
* a simple text-only Tooltip class
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dS )� TooltipBasez abstract base class for tooltipsc C s || _ d| _dS )z�Create a tooltip.
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� Z S )�OnHoverTooltipBasez?abstract base class for tooltips, with delayed on-hover display�� c sV t t| ��|� || _d| _| j�d| j�| _| j�d| j �| _
| j�d| j �| _ dS )aq Create a tooltip with a mouse hover delay.
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r/ r r r g s �zOnHoverTooltipBase.__del__Nc C s | j r | �� dS | �� dS )z$event handler to display the tooltipN)r( �scheduler �r Zeventr r r r* p s z OnHoverTooltipBase._show_eventc C s | � � dS )z!event handler to hide the tooltipNr r2 r r r r, w s z OnHoverTooltipBase._hide_eventc C s | � � | j�| j| j�| _dS )z*schedule the future display of the tooltipN)�
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r" c s* e Zd ZdZd� fdd� Zdd� Z� ZS )�HovertipzAA tooltip that pops up when a mouse hovers over an anchor widget.r# c s t t| �j||d� || _dS )av Create a text tooltip with a mouse hover delay.
anchor_widget: the widget next to which the tooltip will be shown
hover_delay: time to delay before showing the tooltip, in milliseconds
Note that a widget will only be shown when showtip() is called,
e.g. after hovering over the anchor widget with the mouse for enough
time.
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d d � d S )Nz Test tooltip�+r r � z Place your mouse over buttons)r8 z"Button 1 -- 1/2 second hover delayz!This is tooltip text for button1.i� r7 zButton 2 -- no hover delayz!This is tooltip
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