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<p>我试图使用<code>glib.timeout_add()</code>和<code>glib.source_remove()</code>将单键单击事件与双击事件分开。我是这样做的:</p>
<pre><code>class Exchange:
'''
some code
'''
def __init__(self):
self.timeoutID_1 = 0
self.timeoutID_2 = 0
self.startTime1 = 0.0
self.stopTime1 = 0.0
self.startTime2 = 0.0
self.stopTime2 = 0.0
'''
some code
'''
## THE DOUBLE CLICK SIGNAL - item-activated
iconView1.connect("item-activated", self.on_item_activated_1,upButton1, store1)
sw1.add(iconView1)
iconView2.connect("item-activated", self.on_item_activated_2,upButton2, store2)
sw2.add(iconView2)
## THE SINGLE CLICK SIGNAL - selection-changed
iconView1.connect("selection-changed", self.on_selection_changed_1, copyButton1, cutButton1, pasteButton1, deleteButton1)
iconView2.connect("selection-changed", self.on_selection_changed_2, copyButton2, cutButton2, pasteButton2, deleteButton2)
def on_selection_changed_1(self, iconView1, copyButton1, cutButton1, pasteButton1, deleteButton1) :
self.startTime1 = time.time()
self.timeoutID_1 = glib.timeout_add(2000, self.selectIcon_1, iconView1, copyButton1, cutButton1, pasteButton1, deleteButton1)
def on_selection_changed_2(self, iconView2, copyButton2, cutButton2, pasteButton2, deleteButton2) :
self.startTime2 = time.time()
self.timeoutID_2 = glib.timeout_add(2000, self.selectIcon_2, iconView2, copyButton2, cutButton2, pasteButton2, deleteButton2)
def selectIcon_1(self, iconView1, copyButton1, cutButton1, pasteButton1, deleteButton1) :
copyButton1.set_sensitive(True)
cutButton1.set_sensitive(True)
pasteButton1.set_sensitive(True)
deleteButton1.set_sensitive(True)
def selectIcon_2(self, iconView2, copyButton2, cutButton2, pasteButton2, deleteButton2) :
copyButton2.set_sensitive(True)
cutButton2.set_sensitive(True)
pasteButton2.set_sensitive(True)
deleteButton2.set_sensitive(True)
def on_item_activated_1(self, iconView1, item, upButton1, store1) :
self.stopTime1 = time.time()
if self.stopTime1 - self.startTime1 < 1.50 :
glib.source_remove(self.timeoutID_1)
'''
some code
'''
def on_item_activated_2(self, iconView2, item, upButton2, store2) :
self.stopTime2 = time.time()
if self.stopTime2 - self.startTime2 < 1.50 :
glib.source_remove(self.timeoutID_2)
'''
some code
'''
</code></pre>
<p>尽管<code>self.stopTime - self.startTime <1.50</code>是<code>True</code>(表示有效的双击),但每次单击仅在2秒后执行一次单击事件。如何完全取消对有效双击的<code>selectIcon</code>方法的执行?在</p>
<p><strong>更新</strong></p>
<p>在mtwebster的回答之后,我尝试使用<code>button_press_event</code>。可惜我又回到原点了。在</p>
^{pr2}$
<p>输出:</p>
<pre><code>vineet@vineet:~/Documents/Project$ python draft6.py
single click
single click
double click
</code></pre>
<p>更让我苦恼的是,三次点击事件被执行为一次双击,两次单击和一次双击!!有没有其他的计时机制可以代替<code>glib.timeout_add()</code>来处理重复呼叫的不确定性?在</p>