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86 lines
2.8 KiB
Plaintext
86 lines
2.8 KiB
Plaintext
This file contains some do's and dont's for the Qt4 frontend.
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General rules
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-------------
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Every editable field that affects the state of the dialog contents
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from LyX's point of view should connect its xxxChanged() signal to
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a the dialog's changed_adaptor() slot, which in turn should call
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changed(). If you are using a more complicated thing anyway,
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then remember to call changed() at the end (if it has changed!)
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Every non-trivial widget should have a tooltip. If you don't know
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what to write, write "FIXME", and it can fixed later. Don't be afraid
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to use QWhatsThis too, but this must be done in the derived class's
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constructor, and use _("..."). Non-trivial means that things like "OK"
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/must not/ have a tooltip.
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moc needs a fully qualified "std::string" for .connect() statements
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to work. Be very, very careful.
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Remember to check tab order on a dialog (third icon, with blue bars in
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designer).
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Remember to check sensible resizing behaviour on a dialog. This is
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usually done by adding a top-level layout to the dialog in Designer.
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Remember to use Edit->Check Accelerators
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If necessary, you should override Qt2Base::isValid() for determining the
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validity of the current dialog's contents.
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OK/Apply/Restore/Close should be connected in the derived class's
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constructor to call slotOK() etc. Refer to close/cancel as close in the
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source.
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Override update_contents() to update the dialog, not update(). Only
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these functions may change dialog widgets that may emit changed() during
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initialisation, to prevent the button controller from changing its
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state.
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Never call buttoncontroller functions directly from dialogs. In general,
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you should use Qt2Base::changed() in all circumstances. However, if you
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must call the buttoncontroller, make sure to respect Qt2Base::updating_
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Naming conventions
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------------------
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QFoo.{cpp,h} The file that interacts with the controller _and_
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the implementation of the dialog, derived from the generated files
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ui/FooDialog.ui The designer file
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ui_FooDialog.h Generated files from FooDialog.ui
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slots should be named e.g. slotFooClicked(), slotFooSelected(), where
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foo is the name of the widget.
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Widgets should be named like "fooXX", where XX is one of the following
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widget types :
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CB - check box
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CO - combo box
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ED - line edit
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GB - group box
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LA - label
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LC - LengthCombo
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LV - QListView
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ML - QTextBrowser
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PB - push button
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RB - radio button
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SB - spin box
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SL - slider
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TE - text edit
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TW - tree widget (FIXME: also TV in some files)
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Qt, Unicode, and LyX
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--------------------
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LyX uses a different encoding (UCS4) than Qt (UTF16), therefore there are a
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number of conversion functions in qt_helpers.{cpp,h}. Read the doxygen
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documentation for details when to use which function.
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Additionally, you should follow these simple rules :
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o Use qt_() not _() in code
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o Use the conversion functions of qt_helpers.h, NOT .latin1() / .c_str() etc.
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