plcopen/pou_variables.ysl2
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Tue, 26 Jun 2018 17:34:15 +0300
changeset 2229 3c94bac4526e
parent 1949 c266fbaae0f6
child 3802 8616ffd7c29d
permissions -rw-r--r--
Fix 'DoGetTextExtent - invalid DC' error

most likely this error happens only on certain wx backends.
GTK3+ on GNU/Linux is apparently one of them.
The problem is described in wxWidgets issue tracker.
http://trac.wxwidgets.org/ticket/12486

[-------------------------------------------------------------------------------------------------------------------]
platform:
Linux-4.16.0-2-rt-amd64-x86_64-with-debian-buster-sid

python-version:
2.7.15

traceback:
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 1605, in DispatchDebugValuesProc
self.CallWeakcallables("__tick__", "NewDataAvailable", debug_ticks)
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 1585, in CallWeakcallables
function(*cargs)
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 1217, in NewDataAvailable
refresh_rect.Union(element.GetRedrawRect())
File "/home/developer/WorkData/PLC/beremiz/beremiz/graphics/GraphicCommons.py", line 1609, in GetRedrawRect
self.ValueSize = self.Parent.GetMiniTextExtent(self.ComputedValue)
File "/home/developer/WorkData/PLC/beremiz/beremiz/editors/Viewer.py", line 932, in GetMiniTextExtent
return self.MiniTextDC.GetTextExtent(text)
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk3/wx/_gdi.py", line 4127, in GetTextExtent
return _gdi_.DC_GetTextExtent(*args, **kwargs)
<class 'wx._core.PyAssertionError'>: C++ assertion "m_graphicContext" failed at ../src/common/dcgraph.cpp(1160) in DoGetTextExtent(): wxGCDC(cg)::DoGetTextExtent - invalid DC

wx-platform:
__WXGTK__

wx-version:
3.0.2.0

[-------------------------------------------------------------------------------------------------------------------]

traceback:
File "/home/developer/WorkData/PLC/beremiz/beremiz/controls/LogViewer.py", line 740, in OnMessageToolTipTimer
self.MessageToolTip.SetFont(self.Font)
File "/home/developer/WorkData/PLC/beremiz/beremiz/controls/CustomToolTip.py", line 75, in SetFont
self.RefreshTip()
File "/home/developer/WorkData/PLC/beremiz/beremiz/controls/CustomToolTip.py", line 158, in RefreshTip
self.SetClientSize(self.GetToolTipSize())
File "/home/developer/WorkData/PLC/beremiz/beremiz/controls/CustomToolTip.py", line 145, in GetToolTipSize
w, h = dc.GetTextExtent(line)
File "/usr/lib/python2.7/dist-packages/wx-3.0-gtk3/wx/_gdi.py", line 4127, in GetTextExtent
return _gdi_.DC_GetTextExtent(*args, **kwargs)
<class 'wx._core.PyAssertionError'>: C++ assertion "m_graphicContext" failed at ../src/common/dcgraph.cpp(1160) in DoGetTextExtent(): wxGCDC(cg)::DoGetTextExtent - invalid DC

[-------------------------------------------------------------------------------------------------------------------]
include yslt_noindent.yml2
istylesheet xmlns:ppx="http://www.plcopen.org/xml/tc6_0201"
            xmlns:xhtml="http://www.w3.org/1999/xhtml"
            xmlns:ns="beremiz" 
            extension-element-prefixes="ns" 
            exclude-result-prefixes="ns" {
    
    template "text()";
    template "text()", mode="var_class";
    template "text()", mode="var_type";
    template "text()", mode="var_edit";
    template "text()", mode="var_debug";
    
    variable "project", "ns:GetProject()";
    
    variable "stdlib", "ns:GetStdLibs()";

    variable "extensions", "ns:GetExtensions()";

    variable "all_types", "($project | $stdlib | $extensions)/ppx:types";
    
    function "add_root" {
        param "class";
        param "type";
        param "edit" > true
        param "debug" > true
        value "ns:SetRoot($class, $type, $edit, $debug)";
    }
    
    template "ppx:pou" {
        call "add_root" {
            with "class" > «@pouType»
            with "type" > «@name»
        }
        apply "ppx:interface";
        apply "ppx:actions/ppx:action | ppx:transitions/ppx:transition", mode="variable_list";
    }
    
    template "ppx:action" {
        call "add_root" {
            with "class" > action
        }
        apply "ancestor::ppx:pou/child::ppx:interface";
    }
    
    template "ppx:transition" {
        call "add_root" {
            with "class" > transition
        }
        apply "ancestor::ppx:pou/child::ppx:interface";
    }
    
    template "ppx:configuration" {
        call "add_root" {
            with "class" > configuration
            with "debug" > false
        }
        apply "ppx:resource", mode="variable_list";
        apply "ppx:globalVars";
    }
    
    template "ppx:resource" {
        call "add_root" {
            with "class" > resource
            with "debug" > false
        }
        apply "ppx:pouInstance | ppx:task/ppx:pouInstance",  mode="variable_list";
        apply "ppx:globalVars";
    }
    
    function "variables_infos" {
        param "var_class";
        foreach "ppx:variable" {
            variable "class" {
                apply "ppx:type", mode="var_class" {
                    with "default_class" > «$var_class»
                }
            }
            variable "type" {
                apply"ppx:type", mode="var_type";
            }
            variable "edit" {
                apply "ppx:type", mode="var_edit";
            }
            variable "debug" {
                apply "ppx:type", mode="var_debug";
            }
            value "ns:AddVariable(@name, $class, $type, $edit, $debug)";
        }
    }
    
    template "ppx:localVars" {
        call "variables_infos" {
            with "var_class" > Local
        }
    }
    
    template "ppx:globalVars" {
        call "variables_infos" {
            with "var_class" > Global
        }
    }
    
    template "ppx:externalVars" {
        call "variables_infos" {
            with "var_class" > External
        }
    }
    
    template "ppx:tempVars" {
        call "variables_infos" {
            with "var_class" > Temp
        }
    }
    
    template "ppx:inputVars" {
        call "variables_infos" {
            with "var_class" > Input
        }
    }
    
    template "ppx:outputVars" {
        call "variables_infos" {
            with "var_class" > Output
        }
    }
    
    template "ppx:inOutVars" {
        call "variables_infos" {
            with "var_class" > InOut
        }
    }
    
    function "add_variable" {
        param "name";
        param "class";
        param "type";
        param "edit" > true
        param "debug" > true
        value "ns:AddVariable($name, $class, $type, $edit, $debug)";
    }
    
    template "ppx:action", mode="variable_list" {
        call "add_variable" {
            with "name" > «@name»
            with "class" > action
        }
    }
    
    template "ppx:transition", mode="variable_list" {
        call "add_variable" {
            with "name" > «@name»
            with "class" > transition
        }
    }
    
    template "ppx:resource", mode="variable_list" {
        call "add_variable" {
            with "name" > «@name»
            with "class" > resource
            with "debug" > false
        } 
    }
    
    template "ppx:pouInstance", mode="variable_list" {
        call "add_variable" {
            with "name" > «@name»
            with "class" > program
            with "type" > «@typeName»
        }
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:derived", mode="var_class" {
        param "default_class";
        variable "type_name", "@name";
        variable "pou_infos", "$all_types/ppx:pous/ppx:pou[@name=$type_name]";
        choose {
            when "$pou_infos" {
                apply "$pou_infos", mode="var_class";
            }
            otherwise {
                value "$default_class"
            }
        }
    }
    
    template "ppx:pou", mode="var_class" {
        value "@pouType";
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/*" mode="var_class" {
        param "default_class";
        value "$default_class";
    }
  
    template "*[self::ppx:type or self::ppx:baseType]/ppx:derived", mode="var_type" {
        > «@name»
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:array", mode="var_type" {
        > ARRAY [
        foreach "ppx:dimension" {
            > «@lower»..«@upper»
        }
        > ] OF 
        apply "ppx:baseType", mode="var_type";
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:string", mode="var_type" {
        > STRING
    }
  
    template "*[self::ppx:type or self::ppx:baseType]/ppx:wstring", mode="var_type" {
        > WSTRING
    }
  
    template "*[self::ppx:type or self::ppx:baseType]/*", mode="var_type" {
        > «local-name()»
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:derived", mode="var_edit" {
        variable "type_name", "@name";
        variable "pou_infos", "$project/ppx:types/ppx:pous/ppx:pou[@name=$type_name]";
        choose {
            when "$pou_infos" > true
            otherwise > false
        }
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:array", mode="var_edit" {
        apply "ppx:baseType", mode="var_edit";
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/*", mode="var_edit" {
        > false
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:derived", mode="var_debug" {
        variable "type_name", "@name";
        variable "datatype_infos", """ \
            $project/ppx:types/ppx:pous/ppx:pou[@name=$type_name] | \
            $all_types/ppx:dataTypes/ppx:dataType[@name=$type_name] \
        """;
        choose {
            when "$datatype_infos" {
                apply "$datatype_infos", mode="var_debug";
            }
            otherwise > false
        }
    }
    
    template "ppx:pou", mode="var_debug" {
        > true
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:array", mode="var_debug" {
        > false
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/ppx:struct", mode="var_debug" {
        > false
    }
    
    template "*[self::ppx:type or self::ppx:baseType]/*", mode="var_debug" {
        > true
    }
    
}