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toralf
Joined: 31 Jan 2005
Posts: 3842
Location: Bremen, Germany
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 Posted: Wed Apr 18, 2007 3:59 pm Post subject: AltSubmit and Label for listview |
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The purpose of this small code is to toggle the check status of a row in one of two listviews with the MButton.
When AltSubmit in combination with gLabels for the Listviews is set it doesn't work. Without the AltSubmit or the gLabels, it is working correctly.
Have I done something wrong, or is this a bug?
Thanks for your help.
| Code: | AltSubmit = AltSubmit ;<= comment this line to see it work correctly
Gui, 1:Add, ListView,vLV1 gLV %AltSubmit% -Multi Checked,Text
Loop, 4
LV_Add("", A_Index)
Gui, 1:Add, ListView,vLV2 gLV %AltSubmit% x+20 -Multi Checked,Text
Loop, 4
LV_Add("", A_Index)
Gui, 1:Show,, Gui1
Return
MButton:: ;click MButton to toggle check mark
Click ;select row
GuiControlGet, ListViewName, FocusV ;get focused listview
Gui, 1:ListView, %ListViewName% ;select the listview
ItemInListView := LV_GetNext(0, "F") ;get selected item
;find out if item is checked: see AHK help file; 4140 is LVM_GETITEMSTATE. 0xF000 is LVIS_STATEIMAGEMASK.
Gui, 1:+LastFound
SendMessage, 4140, ItemInListView - 1, 0xF000, % ListViewName = "LV1" ? "SysListView321" : "SysListView322"
LV_Modify(ItemInListView, "Check" . !((ErrorLevel >> 12) - 1)) ;toggle check status
ToolTip, %ListViewName% %ItemInListView% ;for hint
Return
LV:
Return
GuiClose:
ExitApp |
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toralf  |
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majkinetor
Joined: 24 May 2006
Posts: 3626
Location: Belgrade
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| Posted: Wed Apr 18, 2007 8:54 pm Post subject: |
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I really think that AltSubmit should be specified when you get the value, not when you create the control. I usualy needed both ways in my code.
This has nothing to do with bug, but I just remind that maybe in 2.0 this can be changed to real time, and compatibility will not be broken if we use ALtSubmit on controls creation to specify default method.
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toralf
Joined: 31 Jan 2005
Posts: 3842
Location: Bremen, Germany
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| Posted: Wed Apr 18, 2007 10:26 pm Post subject: |
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| majkinetor wrote: | | I really think that AltSubmit should be specified when you get the value, not when you create the control. |
Listviews and treeviews do not react on Gui,Submit (getting the value). They send notifications if user interacts with the control. Thus it makes sense to specify AltSubmit at their creation.
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Chris
Site Admin
Joined: 02 Mar 2004
Posts: 10467
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| Posted: Fri Apr 20, 2007 2:40 am Post subject: |
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I get weird behavior both with and without AltSubmit (though AltSubmit does change the behavior slightly). Sending simulated mouse clicks from a script that receives notification of those same mouse clicks (via its gLabel) is likely to be the problem, though I don't know exactly why. Also, sending mouse clicks while another mouse button is being down (MButton in this case) has historically caused problems due to quirks in the OS and/or the common controls.
As possible workarounds, when added to the beginning of the MButton subroutine some of the following seem to alter the behavior: | Code: | KeyWait MButton
SetMouseDelay -1
Critical |
However, even if they work on your system, they might not be reliable on others. So I'd recommend finding an alternative to the Click command such as ControlClick or the more advanced LVM_HITTEST Message.
Finally, I'm not sure this is worth investigating further because even if the cause is found, the fix is likely to be difficult and might have a risk of breaking other things. Also, the combination of circumstances here seems very rare.
In any case, it's good to have it mentioned here in case anyone else ever encounters something similar. Thanks. |
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toralf
Joined: 31 Jan 2005
Posts: 3842
Location: Bremen, Germany
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| Posted: Fri Apr 20, 2007 10:37 am Post subject: |
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Thanks Chris,
I found a solution: | Code: | MButton:: ;click MButton to toggle check mark
MouseGetPos, , , , ControlClassNN , 1 ;get control ClassNN that is clicked on
GuiControl, Focus, %ControlClassNN% ;focus control
Click ;select/focus row
GuiControlGet, ListViewName, FocusV ;get focused listview as control name
Gui, 1:ListView, %ListViewName% ;select the listview
ItemInListView := LV_GetNext(0, "F") ;get selected/focused item
;toggle check state
LV_Modify(ItemInListView, (ItemInListView = LV_GetNext(ItemInListView - 1, "C") ? "-" : "") "Check")
ToolTip, %ListViewName% %ItemInListView% %ControlClassNN% ;for hint
Return
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The only strange behavior left is that the checkmark and tooltip do not appear after I have moved the mouse. This is caused by the click command.
When you comment all other commands out, see below, you can see that the tooltip doesn't appear immediatly. Only after the mouse gets moved. I guess that the listview waits for something. | Code: | MButton::
Click
ToolTip, test
Return
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Is there a way around that?
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Chris
Site Admin
Joined: 02 Mar 2004
Posts: 10467
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| Posted: Sat Apr 21, 2007 2:48 am Post subject: |
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For me, all the boxes get checked when I click directly inside of any single box. But if I click to the right of the box (on the item name), only one item becomes checked (but only after the next mouse-movement, as you said).
I'm not sure how to fix this, but it's probably best to avoid using Click to put checkmarks in the script's own ListViews. Perhaps ControlClick or that HitTest message mentioned earlier will work. |
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toralf
Joined: 31 Jan 2005
Posts: 3842
Location: Bremen, Germany
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| Posted: Sat Apr 21, 2007 6:29 am Post subject: |
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Thanks for taking a lok at it. Unfortunately ControlClick doesn't improve it. But adding an additional hazzle to calculate the correct coordinate. So I leave it it as it is. Thanks.
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