Bram Kuijvenhoven escreveu:
Vincent Snijders wrote:
Graeme Geldenhuys schreef:
Hi,
Can someone confirm this before I submit a Mantis bug report.
Clicking on items in a ListView with vsReport style:
- If you click on the items 99% of the time the OnClick doesn't fire
- Clicking to the left of the last column (black space) then the
OnClick fires every time
OnClick seems to work okay in Linux (Gtk1).
Steps to repoduce:
1) Create a new project, drop a TListView and TMemo on the form.
2) Change the TListView style to vsReport, Add one column and add
about 5 items to the ListView.
3) Create a OnClick event handler for the ListView. In the event
handel add the text 'clicked' to the memo.
4) Run the app and click on the items (first and only column only).
OnClick doesn't fire 99% of the times.
5) Click to the left (in the blank space - background) on the
items/columns and OnClick fires every time.
Strangely enough it fires after a double click.
It looks like the same issue we had for the right click (and popup)
until recently.
Oops, I was messing up this bug with another one regarding right mouse
button clicks. OnClick indeed does not fire on the ListView when
clicking on items in ListView (and double clicking gives strange
results also). Note that MouseDown does fire when clicking on items,
but MouseUp does not.
MouseUp does also not fire for right clicks on items, though it does
fire the errorneous MouseUp event described below (and in bug 8768,
which I have just filed).
The actual problem regarding right clicks and popup menus seems to be
that a right click on a TListView generates an extra MouseUp event,
even before the MouseDown event.
This MouseUp event seems to arrive first at the ListView's Parent, but
has X,Y coordinates that are actually relative to the ListView.
What actually happens depends on what control is at the Parent at
these X,Y coordinates. For example:
- if there is no child control at X,Y, OnMouseUp fires at the Parent
- if there is a child control at X,Y, OnMouseUp will fire
- if there is a child control with a popup menu, the popup menu will
appear there (displaced by ListView.Left, ListView.Top)
In notes of http://www.freepascal.org/mantis/view.php?id=8331 there's
also some info that can be used as reference.
Luiz
_________________________________________________________________
To unsubscribe: mail [EMAIL PROTECTED] with
"unsubscribe" as the Subject
archives at http://www.lazarus.freepascal.org/mailarchives
