[vlmc-devel] [PATCH] Make toolbar unmovable

[Hugo Beauzée-Luyssen]

On 03/07/2016 10:51 AM, Paweł Goliński wrote:
> Here is how to reproduce it:
> https://www.youtube.com/watch?v=fhvy2AehYQ8&feature=em-upload_owner
>
> I know this doesn’t make a good fix, but it’s a workaround (do the users
> really move the toolbar that
> frequently? Either way if they move it, they’ve just lost their entire
> work) until this is properly fixed.
>
> Here’s the stacktrace: http://pastebin.com/Sr3wDw47 (I don’t know if the
> crashhandler was disabled, but in CMakeLists.txt there is
> this fragment of code:
> "IF(NOT APPLE)
>      SET(WITH_CRASHHANDLER_GUI TRUE CACHE BOOL "Enable the crash handler
> GUI (with backtrace and restart capabilities)")
>      SET(WITH_CRASHHANDLER TRUE CACHE BOOL "Enable the crash handler")
> ELSE(NOT APPLE)
>      #FIXME: Mac OS port does n't start if crash handler is enabled.
>      SET(WITH_CRASHHANDLER_GUI FALSE CACHE BOOL "Disable crash handler
> gui...")
>      SET(WITH_CRASHHANDLER False CACHE BOOL "Disable the crash handler")
>      #SET(CMAKE_OSX_ARCHITECTURES i386)
>      #SET(CMAKE_INSTALL_PREFIX "${CMAKE_CURRENT_BINARY_DIR}")
> ENDIF(NOT APPLE)”
> That suggests it is defaultly disabled…)
>
>> Wiadomość napisana przez Hugo Beauzée-Luyssen <hugo at beauzee.fr
>> <mailto:hugo at beauzee.fr>> w dniu 07.03.2016, o godz. 09:57:
>>
>> On 03/07/2016 03:21 AM, Paweł Goliński wrote:
>>> When user tried to move toolbar, VLMC crashed with
>>> segmentation fault. This patch made toolbar unmovable,
>>> which solves the problem.
>>> ---
>>>  src/Gui/ui/MainWindow.ui | 31 ++++++++++++++++++++-----------
>>>  1 file changed, 20 insertions(+), 11 deletions(-)
>>>
>>> diff --git a/src/Gui/ui/MainWindow.ui b/src/Gui/ui/MainWindow.ui
>>> index 4640741..c8f1465 100644
>>> --- a/src/Gui/ui/MainWindow.ui
>>> +++ b/src/Gui/ui/MainWindow.ui
>>> @@ -27,7 +27,7 @@
>>>       <x>0</x>
>>>       <y>0</y>
>>>       <width>800</width>
>>> -     <height>17</height>
>>> +     <height>22</height>
>>>      </rect>
>>>     </property>
>>>     <widget class="QMenu" name="menuEdit">
>>> @@ -99,6 +99,15 @@
>>>     <property name="windowTitle">
>>>      <string>VLMC Toolbar</string>
>>>     </property>
>>> +   <property name="movable">
>>> +    <bool>false</bool>
>>> +   </property>
>>> +   <property name="allowedAreas">
>>> +    <set>Qt::TopToolBarArea</set>
>>> +   </property>
>>> +   <property name="floatable">
>>> +    <bool>false</bool>
>>> +   </property>
>>>     <attribute name="toolBarArea">
>>>      <enum>TopToolBarArea</enum>
>>>     </attribute>
>>> @@ -151,7 +160,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Project Preferences</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionPreview">
>>>     <property name="checkable">
>>> @@ -189,7 +198,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Makes VLMC Fullscreen</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionRender">
>>>     <property name="icon">
>>> @@ -216,7 +225,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Loads a VLMC Project</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionSave">
>>>     <property name="icon">
>>> @@ -228,7 +237,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Saves a VLMC Project</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionImport">
>>>     <property name="icon">
>>> @@ -252,7 +261,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Project Preferences</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionSave_As">
>>>     <property name="icon">
>>> @@ -264,7 +273,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Save a VLMC project as a different name</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionClose_Project">
>>>     <property name="icon">
>>> @@ -276,7 +285,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Closes a VLMC project</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionCrash">
>>>     <property name="text">
>>> @@ -293,7 +302,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Undoes the previous action</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionRedo">
>>>     <property name="icon">
>>> @@ -305,7 +314,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Redoes the previous action</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>    <action name="actionShare_On_Internet">
>>>     <property name="icon">
>>> @@ -362,7 +371,7 @@
>>>     </property>
>>>     <property name="statusTip">
>>>      <string>Use the Scissor Tool to cut regions in the timeline</string>
>>> -  </property>
>>> +   </property>
>>>    </action>
>>>   </widget>
>>>   <resources>
>>>
>>
>> Hi,
>>
>> I can't reproduce the issue, but this would not be the proper fix
>> anyway, unless the crash lies in Qt for some reason.
>> Do you have a backtrace?
>>
>> (Remember that to get a usable backtrace, VLMC needs to be built
>> without the crash handler)
>>
>> Regards,
>> _______________________________________________
>> Vlmc-devel mailing list
>> Vlmc-devel at videolan.org <mailto:Vlmc-devel at videolan.org>
>> https://mailman.videolan.org/listinfo/vlmc-devel
>
>
>
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>

This definitely looks like a platform specific issue to me... could you 
check if some other people can reproduce a similar issue with docked 
widgets?

Is the toolbar the only widget that makes the application crash when you 
move it?

Regards,