[vlc] Re: GUI development based on wxwidgets

Sun Nov 5 12:13:45 CET 2006

To give you more details, I wrote a function "abc()" similar to 
Interface::OnAbout(...) in .../modules/gui/wxwidgets/interface.cpp, then 
call it from .../modules/demux/livedotcom.cpp,

compile is OK,  but problem came in linking stage, it shows "undefined 
reference to abc()"

Then what should I do to let "livedotcom" find approriate object containing 
"abc()" ??

Thanks a lot !!

>From: "Liu Andy" <liuzhihua_2003 at hotmail.com>
>Reply-To: vlc at videolan.org
>To: vlc at videolan.org
>CC: vlc-devel at videolan.org, videolan-announce at videolan.org
>Subject: [vlc] Re: GUI development based on wxwidgets
>Date: Sun, 05 Nov 2006 19:03:15 +0800
>
>Hi,
>
>Could anybody show any idea about questions below, thanks !!
>
>
>"
>Hi All,
>
>Sorry to bother you guys again.
>
>What I'm trying to do is as following: 1. When some inernal event 
>happens, e.g. incoming control message says that current network 
>bandwidth available is very limited, then VLC media player shall 
>popup a window or message box alerting user about the situation. 
>Note that this popup shall NOT block anything else. 2. After user 
>hits some buttong, e.g. "OK" or "Cancel", VLC media player shall be 
>able to do some further operation, e.g. stop playing video 
>automatically. 3. items above are based on WxWidgets. 4. VLC0.8.5 + 
>FC4
>
>Normally, GUI seems to be triggered by end user, e.g. clicking 
>operations, but it's not the case here, instead it's some internal 
>event which triggers window shown. Meanwhile, GUI shall still be 
>able to capture user's clicking on "OK" button of the window.
>
>.../wxwidgets/interface.cpp, "void Interface::OnAbout( 
>wxCommandEvent& WXUNUSED(event) )" This seems to be the event 
>handler of "About" item in menu, which just uses wxMessageBox() to 
>show the box, is this a useful reference for me ??
>
>I also checked development tool for WxWidgets under Fedora, but my 
>requirement seems too simple for those tools... I still have to 
>integrate code into VLC code base after GUI object is ready.
>
>Please show me some hints and a quick solution if you are familiar 
>with VLC + WxWidgets, thanks a lot.
>"
>
>>From: "Liu Andy" <liuzhihua_2003 at hotmail.com>
>>Reply-To: vlc at videolan.org
>>To: vlc at videolan.org
>>CC: vlc-devel at videolan.org, videolan-announce at videolan.org
>>Subject: [vlc] Re: GUI development based on wxwidgets
>>Date: Thu, 02 Nov 2006 22:33:36 +0800
>>
>>Hi All,
>>
>>Sorry to bother you guys again.
>>
>>What I'm trying to do is as following:
>>1. When some inernal event happens, e.g. incoming control message 
>>says that current network bandwidth available is very limited, then 
>>VLC media player shall popup a window or message box alerting user 
>>about the situation. Note that this popup shall NOT block anything 
>>else.
>>2. After user hits some buttong, e.g. "OK" or "Cancel", VLC media 
>>player shall be able to do some further operation, e.g. stop 
>>playing video automatically.
>>3. items above are based on WxWidgets.
>>4. VLC0.8.5 + FC4
>>
>>Normally, GUI seems to be triggered by end user, e.g. clicking 
>>operations, but it's not the case here, instead it's some internal 
>>event which triggers window shown. Meanwhile, GUI shall still be 
>>able to capture user's clicking on "OK" button of the window.
>>
>>.../wxwidgets/interface.cpp, "void Interface::OnAbout( 
>>wxCommandEvent& WXUNUSED(event) )"
>>This seems to be the event handler of "About" item in menu, which 
>>just uses wxMessageBox() to show the box, is this a useful 
>>reference for me ??
>>
>>I also checked development tool for WxWidgets under Fedora, but my 
>>requirement seems too simple for those tools... I still have to 
>>integrate code into VLC code base after GUI object is ready.
>>
>>Please show me some hints and a quick solution if you are familiar 
>>with VLC + WxWidgets, thanks a lot.
>>
>>
>>
>>>From: Rafa毛l Carr茅 <funman at videolan.org>
>>>Reply-To: vlc at videolan.org
>>>To: "Liu Andy" <liuzhihua_2003 at hotmail.com>
>>>CC: vlc at videolan.org,
>>vlc-devel at videolan.org,videolan-announce at videolan.org
>>>Subject: [vlc] Re: GUI development based on wxwidgets
>>>Date: Mon, 30 Oct 2006 15:45:30 +0100
>>>
>>>Le Mon, 30 Oct 2006 22:05:25 +0800,
>>>"Liu Andy" <liuzhihua_2003 at hotmail.com> a 茅crit :
>>>
>>> > Currently I use 0.8.5, does it also support "QT4-based 
>>>interface" ? I
>>> > can only see wxwidgets and Skins2...
>>>
>>>No, 0.8.5 and 0.8.6 use only wxwidgets and skins2
>>>
>>>the development version use QT too, but it is not finished, and
>>>quite unstable.
>>>
>>> > AND, if I use some QT designer
>>> > (e.g. KDevelop) to get my components well prepared, how can I 
>>>merge
>>> > it into current framework, how much effort does that need ?
>>> >
>>>
>>>I think that should be easy if you edit existing dialogs.
>>>
>>>If you want to create new, you could do it from scratch
>>>
>>>But once these dialogs are made, you have to integrate code that 
>>>use
>>>it, and you'll have to modify the source.
>>>
>>> > I can see from code that "About" dialog is created using 
>>>wxwidgets,
>>> > right ? I've thought that it may be a good reference for me, 
>>>hehe.
>>> > But I just don't know if it's feasible to simulate it within 
>>>code...
>>>
>>>Well you have the choice, I'm sure good GUI editors exist for 
>>>WxWidgets
>>>too but I don't know any.
>>>
>>>--
>>>Rafa毛l Carr茅
>>
>>
>>><< signature.asc >>
>>
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