a660d684ed
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1757 lines
63 KiB
TeX
1757 lines
63 KiB
TeX
\chapter{Alphabetical class reference}\label{classref}
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\setheader{{\it CHAPTER \thechapter}}{}{}{}{}{{\it CHAPTER \thechapter}}%
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\setfooter{\thepage}{}{}{}{}{\thepage}%
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\overview{Property classes overview}{propertyoverview}
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\section{\class{wxBoolFormValidator}: wxPropertyFormValidator}\label{wxboolformvalidator}
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\overview{Validator classes}{validatorclasses}
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This class validates a boolean value for a form view. The associated panel item must be a wxCheckBox.
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\membersection{wxBoolFormValidator::wxBoolFormValidator}
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\func{void}{wxBoolFormValidator}{\param{long }{flags=0}}
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Constructor.
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\section{\class{wxBoolListValidator}: wxPropertyListValidator}\label{wxboollistvalidator}
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\overview{Validator classes}{validatorclasses}
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This class validates a boolean value for a list view.
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\membersection{wxBoolListValidator::wxBoolListValidator}
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\func{void}{wxBoolListValidator}{\param{long }{flags=0}}
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Constructor.
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\section{\class{wxIntegerFormValidator}: wxPropertyFormValidator}\label{wxintegerformvalidator}
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\overview{Validator classes}{validatorclasses}
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This class validates a range of integer values for a form view. The associated panel item must be a wxText
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or wxSlider.
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\membersection{wxIntegerFormValidator::wxIntegerFormValidator}
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\func{void}{wxIntegerFormValidator}{\param{long }{min=0}, \param{long }{max=0},
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\param{long}{ flags=0}}
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Constructor. Assigning zero to minimum and maximum values indicates that there is no range to check.
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\section{\class{wxIntegerListValidator}: wxPropertyListValidator}\label{wxintegerlistvalidator}
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\overview{Validator classes}{validatorclasses}
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This class validates a range of integer values for a list view.
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\membersection{wxIntegerListValidator::wxIntegerListValidator}
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\func{void}{wxIntegerListValidator}{\param{long }{min=0}, \param{long }{max=0},
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\param{long}{ flags=wxPROP\_ALLOW\_TEXT\_EDITING}}
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Constructor. Assigning zero to minimum and maximum values indicates that there is no range to check.
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\section{\class{wxFilenameListValidator}: wxPropertyListValidator}\label{wxfilenamelistvalidator}
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\overview{Validator classes}{validatorclasses}
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This class validates a filename for a list view, allowing the user to edit it textually and also popping up
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a file selector in ``detailed editing" mode.
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\membersection{wxFilenameListValidator::wxFilenameListValidator}
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\func{void}{wxFilenameListValidator}{\param{wxString }{message = ``Select a file"}, \param{wxString }{wildcard = ``*.*"},
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\param{long}{ flags=0}}
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Constructor. Supply an optional message and wildcard.
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\section{\class{wxListOfStringsListValidator}: wxPropertyListValidator}\label{wxlistofstringslistvalidator}
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\overview{Validator classes}{validatorclasses}
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This class validates a list of strings for a list view. When editing the property,
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a dialog box is presented for adding, deleting or editing entries in the list.
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At present no constraints may be supplied.
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You can construct a string list property value by constructing a wxStringList object.
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For example:
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\begin{verbatim}
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myListValidatorRegistry.RegisterValidator((wxString)"stringlist",
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new wxListOfStringsListValidator);
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wxStringList *strings = new wxStringList("earth", "fire", "wind", "water", NULL);
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sheet->AddProperty(new wxProperty("fred", strings, "stringlist"));
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\end{verbatim}
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\membersection{wxListOfStringsListValidator::wxListofStringsListValidator}
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\func{void}{wxListOfStringsListValidator}{\param{long}{ flags=0}}
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Constructor.
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\section{\class{wxProperty}: wxObject}\label{wxproperty}
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The {\bf wxProperty} class represents a property, with a \helpref{wxPropertyValue}{wxpropertyvalue}\rtfsp
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containing the actual value, a name a role, an optional validator, and
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an optional associated window.
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A property might correspond to an actual C++ data member, or it
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might correspond to a conceptual property, such as the width of a window.
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There is no explicit data member {\it wxWindow::width}, but it may be convenient
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to invent such a property for the purposes of editing attributes of the window.
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The properties in the property sheet can be mapped to ``reality" by
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whatever means (in this case by calling wxWindow::SetSize when the user has
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finished editing the property sheet).
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A validator may be associated with the property in order to ensure that this and
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only this validator will be used for editing and validating the property.
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An alternative method is to use the {\it role} parameter to specify what kind
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of validator would be appropriate; for example, specifying ``filename" for the role
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would allow the property view to find an appropriate validator at edit time.
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\membersection{wxProperty::wxProperty}
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\func{void}{wxProperty}{\void}
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\func{void}{wxProperty}{\param{wxProperty\& }{prop}}
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\func{void}{wxProperty}{\param{wxString}{ name}, \param{wxString}{ role}, \param{wxPropertyValidator *}{validator=NULL}}
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\func{void}{wxProperty}{\param{wxString}{ name}, \param{const wxPropertyValue\&}{ val}, \param{wxString}{ role}, \param{wxPropertyValidator *}{validator=NULL}}
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Constructors.
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\membersection{wxProperty::\destruct{wxProperty}}
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\func{void}{\destruct{wxProperty}}{\void}
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Destructor. Destroys the wxPropertyValue, and the property validator if there is one. However, if the
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actual C++ value in the wxPropertyValue is a pointer, the data in that variable is not destroyed.
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\membersection{wxProperty::GetValue}
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\func{wxPropertyValue\&}{GetValue}{\void}
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Returns a reference to the property value.
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\membersection{wxProperty::GetValidator}
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\func{wxPropertyValidator *}{GetValidator}{\void}
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Returns a pointer to the associated property validator (if any).
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\membersection{wxProperty::GetName}
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\func{wxString\&}{GetName}{\void}
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Returns the name of the property.
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\membersection{wxProperty::GetRole}
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\func{wxRole\&}{GetRole}{\void}
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Returns the role of the property, to be used when choosing an appropriate validator.
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\membersection{wxProperty::GetWindow}
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\func{wxWindow *}{GetWindow}{\void}
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Returns the window associated with the property (if any).
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\membersection{wxProperty::SetValue}
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\func{void}{SetValue}{\param{wxPropertyValue\&}{ val}}
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Sets the value of the property.
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\membersection{wxProperty::SetName}
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\func{void}{SetName}{\param{wxString\&}{ name}}
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Sets the name of the property.
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\membersection{wxProperty::SetRole}
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\func{void}{SetRole}{\param{wxString\&}{ role}}
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Sets the role of the property.
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\membersection{wxProperty::SetValidator}
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\func{void}{SetValidator}{\param{wxPropertyValidator *}{validator}}
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Sets the validator: this will be deleted when the property is deleted.
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\membersection{wxProperty::SetWindow}
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\func{void}{SetWindow}{\param{wxWindow *}{win}}
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Sets the window associated with the property.
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\membersection{wxProperty::operator $=$}
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\func{void}{operator $=$}{\param{const wxPropertyValue\&}{ val}}
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Assignment operator.
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\section{\class{wxPropertyFormValidator}: wxPropertyValidator}\label{wxpropertyformvalidator}
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The {\bf wxPropertyFormValidator} abstract class is the root of classes that define validation
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for a wxPropertyFormView.
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\section{\class{wxPropertyFormDialog}: wxDialogBox}\label{wxpropertyformdialog}
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The {\bf wxPropertyFormDialog} class is a prepackaged dialog which can
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be used for viewing a form property sheet. Pass a property form view object, and the dialog
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will pass OnClose and OnDefaultAction listbox messages to the view class for
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processing.
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\membersection{wxPropertyFormDialog::wxPropertyFormDialog}
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\func{void}{wxPropertyFormDialog}{\param{wxPropertyFormView *}{view}, \param{wxWindow *}{parent}, \param{char *}{title},
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\param{Bool}{ modal=FALSE}, \param{int}{ x=-1}, \param{int}{ y=-1}, \param{int}{ width=-1}, \param{int}{height=-1},
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\param{long}{ style=wxDEFAULT\_DIALOG\_STYLE}, \param{char *}{name=``dialogBox"}}
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Constructor.
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\membersection{wxPropertyFormDialog::\destruct{wxPropertyFormDialog}}
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\func{void}{\destruct{wxPropertyFormDialog}}{\void}
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Destructor.
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\section{\class{wxPropertyFormFrame}: wxFrame}\label{wxpropertyformframe}
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The {\bf wxPropertyFormFrame} class is a prepackaged frame which can
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be used for viewing a property form. Pass a property form view object, and the frame
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will pass OnClose messages to the view class for processing.
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Call Initialize to create the panel and associate the view; override OnCreatePanel
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if you wish to use a panel class other than the default wxPropertyFormPanel.
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\membersection{wxPropertyFormFrame::wxPropertyFormFrame}
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\func{void}{wxPropertyFormFrame}{\param{wxPropertyFormView *}{view}, \param{wxFrame *}{parent}, \param{char *}{title},
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\param{int}{ x=-1}, \param{int}{ y=-1}, \param{int}{ width=-1}, \param{int}{height=-1},
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\param{long}{ style=wxSDI $\|$ wxDEFAULT\_FRAME}, \param{char *}{name=``frame"}}
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Constructor.
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\membersection{wxPropertyFormFrame::\destruct{wxPropertyFormFrame}}
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\func{void}{\destruct{wxPropertyFormFrame}}{\void}
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Destructor.
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\membersection{wxPropertyFormFrame::GetPropertyPanel}
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\func{wxPanel *}{GetPropertyPanel}{\void}
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Returns the panel associated with the frame.
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\membersection{wxPropertyFormFrame::Initialize}
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\func{Bool}{Initialize}{\void}
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Must be called to create the panel and associate the view with the panel and frame.
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\membersection{wxPropertyFormFrame::OnCreatePanel}
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\func{wxPanel *}{OnCreatePanel}{\param{wxFrame *}{parent}, \param{wxPropertyFormView *}{view}}
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Creates a panel. Override this to create a panel type other than wxPropertyFormPanel.
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\section{\class{wxPropertyFormPanel}: wxPanel}\label{wxpropertyformpanel}
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The {\bf wxPropertyFormPanel} class is a prepackaged panel which can
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be used for viewing a property form. Pass a property form view object, and the panel
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will pass OnDefaultAction listbox messages to the view class for
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processing.
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\membersection{wxPropertyFormPanel::wxPropertyFormPanel}
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\func{void}{wxPropertyFormPanel}{\param{wxPropertyFormView *}{view}, \param{wxWindow *}{parent},
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\param{int}{ x=-1}, \param{int}{ y=-1}, \param{int}{ width=-1}, \param{int}{height=-1},
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\param{long}{ style=0}, \param{char *}{name=``panel"}}
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Constructor.
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\membersection{wxPropertyFormPanel::\destruct{wxPropertyFormPanel}}
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\func{void}{\destruct{wxPropertyFormPanel}}{\void}
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Destructor.
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\section{\class{wxPropertyFormValidator}: wxPropertyValidator}\label{wxpropertyformvalidatir}
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\overview{wxPropertyFormValidator overview}{wxpropertyformvalidatoroverview}
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The {\bf wxPropertyFormValidator} class defines a base class for form validators. By overriding virtual functions,
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the programmer can create custom behaviour for kinds of property.
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\membersection{wxPropertyFormValidator::wxPropertyFormValidator}
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\func{void}{wxPropertyFormValidator}{\param{long}{ flags = 0}}
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Constructor.
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\membersection{wxPropertyFormValidator::\destruct{wxPropertyFormValidator}}
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\func{void}{\destruct{wxPropertyFormValidator}}{\void}
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Destructor.
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\membersection{wxPropertyFormValidator::OnCommand}
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\func{Bool}{OnCommand}{\param{wxProperty *}{property}, \param{wxPropertyFormView *}{view},
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\param{wxWindow *}{parentWindow}, \param{wxCommandEvent\& }{event}}
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Called when the control corresponding to the property receives a command (if not intercepted
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by a callback associated with the actual control).
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\membersection{wxPropertyFormValidator::OnCheckValue}
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\func{Bool}{OnCheckValue}{\param{wxProperty *}{property}, \param{wxPropertyFormView *}{view},
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\param{wxWindow *}{parentWindow}}
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Called when the view checks the property value. The value checked by this validator should be taken from the
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panel item corresponding to the property.
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\membersection{wxPropertyFormValidator::OnDisplayValue}
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\func{Bool}{OnDisplayValue}{\param{wxProperty *}{property}, \param{wxPropertyFormView *}{view},
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\param{wxWindow *}{parentWindow}}
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Should display the property value in the appropriate control.
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\membersection{wxPropertyFormValidator::OnDoubleClick}
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\func{Bool}{OnDoubleClick}{\param{wxProperty *}{property}, \param{wxPropertyFormView *}{view},
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\param{wxWindow *}{parentWindow}}
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Called when the control corresponding to the property is double clicked (listboxes only).
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\membersection{wxPropertyFormValidator::OnRetrieveValue}
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\func{Bool}{OnRetrieveValue}{\param{wxProperty *}{property}, \param{wxPropertyFormView *}{view},
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\param{wxWindow *}{parentWindow}}
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Should do the transfer from the property editing area to the property itself.
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\section{\class{wxPropertyFormView}: wxPropertyView}\label{wxpropertyformview}
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\overview{wxPropertyFormView overview}{wxpropertyformviewoverview}
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The {\bf wxPropertyFormView} class shows a wxPropertySheet as a view onto a panel or dialog
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box which has already been created.
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\membersection{wxPropertyFormView::wxPropertyFormView}
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\func{void}{wxPropertyFormView}{\param{long}{ flags = 0}}
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Constructor.
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\membersection{wxPropertyFormView::\destruct{wxPropertyFormView}}
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\func{void}{\destruct{wxPropertyFormView}}{\void}
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Destructor.
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\membersection{wxPropertyFormView::AssociateNames}\label{wxpropertyformviewassociatenames}
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\func{void}{AssociateNames}{\void}
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Associates the properties with the controls on the panel. For each panel item, if the
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panel item name is the same as a property name, the two objects will be associated.
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This function should be called manually since the programmer may wish to do the
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association manually.
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\membersection{wxPropertyFormView::Check}\label{wxpropertyformviewcheck}
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\func{Bool}{Check}{\void}
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Checks all properties by calling the appropriate validators; returns FALSE if a validation failed.
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\membersection{wxPropertyFormView::GetPanel}\label{wxpropertyformviewgetpanel}
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\func{wxPanel *}{GetPanel}{\void}
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Returns the panel associated with the view.
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\membersection{wxPropertyFormView::GetManagedWindow}\label{wxpropertyformviewgetmanagedwindow}
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\func{wxWindow *}{GetManagedWindow}{\void}
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Returns the managed window (a frame or dialog) associated with the view.
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\membersection{wxPropertyFormView::OnOk}\label{wxpropertyformviewonok}
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\func{void}{OnOk}{\void}
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Virtual function that will be called when the OK button on the physical window is pressed.
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By default, checks and updates the form values, closes and deletes the frame or dialog, then deletes the view.
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\membersection{wxPropertyFormView::OnCancel}\label{wxpropertyformviewoncancel}
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\func{void}{OnCancel}{\void}
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Virtual function that will be called when the Cancel button on the physical window is pressed.
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By default, closes and deletes the frame or dialog, then deletes the view.
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\membersection{wxPropertyFormView::OnHelp}\label{wxpropertyformviewonhelp}
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\func{void}{OnHelp}{\void}
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Virtual function that will be called when the Help button on the physical window is pressed.
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This needs to be overridden by the application for anything interesting to happen.
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\membersection{wxPropertyFormView::OnRevert}\label{wxpropertyformviewonrevert}
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\func{void}{OnRevert}{\void}
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Virtual function that will be called when the Revert button on the physical window is pressed.
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By default transfers the wxProperty values to the panel items (in effect
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undoing any unsaved changes in the items).
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\membersection{wxPropertyFormView::OnUpdate}\label{wxpropertyformviewonupdate}
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\func{void}{OnUpdate}{\void}
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Virtual function that will be called when the Update button on the physical window is pressed.
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By defaults transfers the displayed values to the wxProperty objects.
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\membersection{wxPropertyFormView::SetManagedWindow}\label{wxpropertyformviewsetmanagedwindow}
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\func{void}{SetManagedWindow}{\param{wxWindow *}{win}}
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Sets the managed window (a frame or dialog) associated with the view.
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\membersection{wxPropertyFormView::TransferToDialog}\label{wxpropertyformviewtransfertodialog}
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\func{Bool}{TransferToDialog}{\void}
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Transfers property values to the controls in the dialog.
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\membersection{wxPropertyFormView::TransferToPropertySheet}\label{wxpropertyformviewtransfertopropertysheet}
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\func{Bool}{TransferToPropertySheet}{\void}
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Transfers property values from the controls in the dialog to the property sheet.
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\section{\class{wxPropertyListDialog}: wxDialogBox}\label{wxpropertylistdialog}
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The {\bf wxPropertyListDialog} class is a prepackaged dialog which can
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be used for viewing a property list. Pass a property list view object, and the dialog
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will pass OnClose and OnDefaultAction listbox messages to the view class for
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processing.
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\membersection{wxPropertyListDialog::wxPropertyListDialog}
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\func{void}{wxPropertyListDialog}{\param{wxPropertyListView *}{view}, \param{wxWindow *}{parent}, \param{char *}{title},
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\param{Bool}{ modal=FALSE}, \param{int}{ x=-1}, \param{int}{ y=-1}, \param{int}{ width=-1}, \param{int}{height=-1},
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\param{long}{ style=wxDEFAULT\_DIALOG\_STYLE}, \param{char *}{name=``dialogBox"}}
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Constructor.
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\membersection{wxPropertyListDialog::\destruct{wxPropertyListDialog}}
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\func{void}{\destruct{wxPropertyListDialog}}{\void}
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Destructor.
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\section{\class{wxPropertyListFrame}: wxFrame}\label{wxpropertylistframe}
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The {\bf wxPropertyListFrame} class is a prepackaged frame which can
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be used for viewing a property list. Pass a property list view object, and the frame
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will pass OnClose messages to the view class for processing.
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Call Initialize to create the panel and associate the view; override OnCreatePanel
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if you wish to use a panel class other than the default wxPropertyListPanel.
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\membersection{wxPropertyListFrame::wxPropertyListFrame}
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\func{void}{wxPropertyListFrame}{\param{wxPropertyListView *}{view}, \param{wxFrame *}{parent}, \param{char *}{title},
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\param{int}{ x=-1}, \param{int}{ y=-1}, \param{int}{ width=-1}, \param{int}{height=-1},
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\param{long}{ style=wxSDI $\|$ wxDEFAULT\_FRAME}, \param{char *}{name=``frame"}}
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Constructor.
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\membersection{wxPropertyListFrame::\destruct{wxPropertyListFrame}}
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\func{void}{\destruct{wxPropertyListFrame}}{\void}
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Destructor.
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\membersection{wxPropertyListFrame::GetPropertyPanel}
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\func{wxPanel *}{GetPropertyPanel}{\void}
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Returns the panel associated with the frame.
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\membersection{wxPropertyListFrame::Initialize}
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\func{Bool}{Initialize}{\void}
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Must be called to create the panel and associate the view with the panel and frame.
|
|
|
|
\membersection{wxPropertyListFrame::OnCreatePanel}
|
|
|
|
\func{wxPanel *}{OnCreatePanel}{\param{wxFrame *}{parent}, \param{wxPropertyListView *}{view}}
|
|
|
|
Creates a panel. Override this to create a panel type other than wxPropertyListPanel.
|
|
|
|
|
|
\section{\class{wxPropertyListPanel}: wxPanel}\label{wxpropertylistpanel}
|
|
|
|
The {\bf wxPropertyListPanel} class is a prepackaged panel which can
|
|
be used for viewing a property list. Pass a property list view object, and the panel
|
|
will pass OnDefaultAction listbox messages to the view class for
|
|
processing.
|
|
|
|
\membersection{wxPropertyListPanel::wxPropertyListPanel}
|
|
|
|
\func{void}{wxPropertyListPanel}{\param{wxPropertyListView *}{view}, \param{wxWindow *}{parent},
|
|
\param{int}{ x=-1}, \param{int}{ y=-1}, \param{int}{ width=-1}, \param{int}{height=-1},
|
|
\param{long}{ style=0}, \param{char *}{name=``panel"}}
|
|
|
|
Constructor.
|
|
|
|
\membersection{wxPropertyListPanel::\destruct{wxPropertyListPanel}}
|
|
|
|
\func{void}{\destruct{wxPropertyListPanel}}{\void}
|
|
|
|
Destructor.
|
|
|
|
|
|
|
|
|
|
\section{\class{wxPropertyListValidator}: wxPropertyValidator}\label{wxpropertylistvalidator}
|
|
|
|
\overview{wxPropertyListValidator overview}{wxpropertylistvalidatoroverview}
|
|
|
|
The {\bf wxPropertyListValidator} abstract class is the base class for
|
|
deriving validators for property lists.
|
|
|
|
\membersection{wxPropertyListValidator::wxPropertyListValidator}
|
|
|
|
\func{void}{wxPropertyListValidator}{\param{long}{ flags = wxPROP\_ALLOW\_TEXT\_EDITING}}
|
|
|
|
Constructor.
|
|
|
|
\membersection{wxPropertyListValidator::\destruct{wxPropertyListValidator}}
|
|
|
|
\func{void}{\destruct{wxPropertyListValidator}}{\void}
|
|
|
|
Destructor.
|
|
|
|
\membersection{wxPropertyListValidator::OnCheckValue}
|
|
|
|
\func{Bool}{OnCheckValue}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when the Tick (Confirm) button is pressed or focus is list. Return FALSE if the value
|
|
was invalid, which is a signal restores the old value. Return TRUE if the value was valid.
|
|
|
|
\membersection{wxPropertyListValidator::OnClearControls}
|
|
|
|
\func{Bool}{OnClearControls}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Allows the clearing (enabling, disabling) of property list controls, when the focus leaves the current property.
|
|
|
|
\membersection{wxPropertyListValidator::OnClearDetailControls}
|
|
|
|
\func{Bool}{OnClearDetailControls}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when the focus is lost, if the validator is in detailed editing mode.
|
|
|
|
\membersection{wxPropertyListValidator::OnDisplayValue}
|
|
|
|
\func{Bool}{OnDisplayValue}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Should display the value in the appropriate controls. The default implementation gets the
|
|
textual value from the property and inserts it into the text edit control.
|
|
|
|
\membersection{wxPropertyListValidator::OnDoubleClick}
|
|
|
|
\func{Bool}{OnDoubleClick}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when the property is double clicked. Extra functionality can be provided,
|
|
such as cycling through possible values.
|
|
|
|
\membersection{wxPropertyListValidator::OnEdit}
|
|
|
|
\func{Bool}{OnEdit}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when the Edit (detailed editing) button is pressed. The default implementation
|
|
calls wxPropertyListView::BeginDetailedEditing; a filename validator (for example) overrides
|
|
this function to show the file selector.
|
|
|
|
\membersection{wxPropertyListValidator::OnPrepareControls}
|
|
|
|
\func{Bool}{OnPrepareControls}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called to allow the validator to setup the display, such enabling or disabling buttons, and
|
|
setting the values and selection in the standard listbox control (the one optionally used for displaying
|
|
value options).
|
|
|
|
\membersection{wxPropertyListValidator::OnPrepareDetailControls}
|
|
|
|
\func{Bool}{OnPrepareDetailControls}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when the property is edited `in detail', i.e. when the Edit button is pressed.
|
|
|
|
\membersection{wxPropertyListValidator::OnRetrieveValue}
|
|
|
|
\func{Bool}{OnRetrieveValue}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when Tick (Confirm) is pressed or focus is lost or view wants to update
|
|
the property list. Should do the transfer from the property editing area to the property itself
|
|
|
|
\membersection{wxPropertyListValidator::OnSelect}
|
|
|
|
\func{Bool}{OnSelect}{\param{Bool}{ select}, \param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when the property is selected or deselected: typically displays the value
|
|
in the edit control (having chosen a suitable control to display: (non)editable text or listbox).
|
|
|
|
\membersection{wxPropertyListValidator::OnValueListSelect}
|
|
|
|
\func{Bool}{OnValueListSelect}{\param{wxProperty *}{property}, \param{wxPropertyListView *}{view},
|
|
\param{wxWindow *}{parentWindow}}
|
|
|
|
Called when the value listbox is selected. The default behaviour is to copy
|
|
string to text control, and retrieve the value into the property.
|
|
|
|
|
|
|
|
\section{\class{wxPropertyListView}: wxPropertyView}\label{wxpropertylistview}
|
|
|
|
\overview{wxPropertyListView overview}{wxpropertylistviewoverview}
|
|
|
|
The {\bf wxPropertyListView} class shows a wxPropertySheet as a Visual Basic-style property list.
|
|
|
|
\membersection{wxPropertyListView::wxPropertyListView}
|
|
|
|
\func{void}{wxPropertyListView}{\param{long}{ flags = wxPROP\_BUTTON\_DEFAULT}}
|
|
|
|
Constructor.
|
|
|
|
The {\it flags} argument can be a bit list of the following:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item wxPROP\_BUTTON\_CLOSE
|
|
\item wxPROP\_BUTTON\_OK
|
|
\item wxPROP\_BUTTON\_CANCEL
|
|
\item wxPROP\_BUTTON\_CHECK\_CROSS
|
|
\item wxPROP\_BUTTON\_HELP
|
|
\item wxPROP\_DYNAMIC\_VALUE\_FIELD
|
|
\item wxPROP\_PULLDOWN
|
|
\end{itemize}
|
|
|
|
\membersection{wxPropertyListView::\destruct{wxPropertyListView}}
|
|
|
|
\func{void}{\destruct{wxPropertyListView}}{\void}
|
|
|
|
Destructor.
|
|
|
|
\membersection{wxPropertyListView::AssociatePanel}\label{wxpropertylistviewassociatepanel}
|
|
|
|
\func{void}{AssociatePanel}{\param{wxPanel *}{panel}}
|
|
|
|
Associates the window on which the controls will be displayed, with the view (sets an internal pointer to the window).
|
|
|
|
\membersection{wxPropertyListView::BeginShowingProperty}\label{wxpropertylistviewbeginshowingproperty}
|
|
|
|
\func{Bool}{BeginShowingProperty}{\param{wxProperty *}{property}}
|
|
|
|
Finds the appropriate validator and loads the property into the controls, by calling
|
|
wxPropertyValidator::OnPrepareControls and then wxPropertyListView::DisplayProperty.
|
|
|
|
\membersection{wxPropertyListView::DisplayProperty}\label{wxpropertylistviewdisplayproperty}
|
|
|
|
\func{Bool}{DisplayProperty}{\param{wxProperty *}{property}}
|
|
|
|
Calls wxPropertyValidator::OnDisplayValue for the current property's validator. This function
|
|
gets called by wxPropertyListView::BeginShowingProperty, which is in turn called
|
|
from ShowProperty, called by OnPropertySelect, called by the listbox callback when selected.
|
|
|
|
\membersection{wxPropertyListView::EndShowingProperty}\label{wxpropertylistviewendshowingproperty}
|
|
|
|
\func{Bool}{EndShowingProperty}{\param{wxProperty *}{property}}
|
|
|
|
Finds the appropriate validator and unloads the property from the controls, by calling
|
|
wxPropertyListView::RetrieveProperty, wxPropertyValidator::OnClearControls and (if we're in
|
|
detailed editing mdoe) wxPropertyValidator::OnClearDetailControls.
|
|
|
|
\membersection{wxPropertyListView::GetPanel}\label{wxpropertylistviewgetpanel}
|
|
|
|
\func{wxPanel *}{GetPanel}{\void}
|
|
|
|
Returns the panel associated with the view.
|
|
|
|
\membersection{wxPropertyListView::GetManagedWindow}\label{wxpropertylistviewgetmanagedwindow}
|
|
|
|
\func{wxWindow *}{GetManagedWindow}{\void}
|
|
|
|
Returns the managed window (a frame or dialog) associated with the view.
|
|
|
|
\membersection{wxPropertyListView::GetWindowCancelButton}\label{wxpropertylistviewgetwindowcancelbutton}
|
|
|
|
\func{wxButton *}{GetWindowCancelButton}{\void}
|
|
|
|
Returns the window cancel button, if any.
|
|
|
|
\membersection{wxPropertyListView::GetWindowCloseButton}\label{wxpropertylistviewgetwindowclosebutton}
|
|
|
|
\func{wxButton *}{GetWindowCloseButton}{\void}
|
|
|
|
Returns the window close or OK button, if any.
|
|
|
|
\membersection{wxPropertyListView::GetWindowHelpButton}\label{wxpropertylistviewgetwindowhelpbutton}
|
|
|
|
\func{wxButton *}{GetWindowHelpButton}{\void}
|
|
|
|
Returns the window help button, if any.
|
|
|
|
\membersection{wxPropertyListView::SetManagedWindow}\label{wxpropertylistviewsetmanagedwindow}
|
|
|
|
\func{void}{SetManagedWindow}{\param{wxWindow *}{win}}
|
|
|
|
Sets the managed window (a frame or dialog) associated with the view.
|
|
|
|
\membersection{wxPropertyListView::UpdatePropertyDisplayInList}\label{wxpropertylistviewupdatepropdisplay}
|
|
|
|
\func{Bool}{UpdatePropertyDisplayInList}{\param{wxProperty *}{property}}
|
|
|
|
Updates the display for the given changed property.
|
|
|
|
\membersection{wxPropertyListView::UpdatePropertyList}\label{wxpropertylistviewupdateproplist}
|
|
|
|
\func{Bool}{UpdatePropertyList}{\param{Bool }{clearEditArea = TRUE}}
|
|
|
|
Updates the whole property list display.
|
|
|
|
|
|
\section{\class{wxPropertySheet}: wxObject}\label{wxpropertysheet}
|
|
|
|
\overview{wxPropertySheet overview}{wxpropertysheetoverview}
|
|
|
|
The {\bf wxPropertySheet} class is used for storing a number of
|
|
wxProperty objects (essentially names and values).
|
|
|
|
\membersection{wxPropertySheet::wxPropertySheet}
|
|
|
|
\func{void}{wxPropertySheet}{\void}
|
|
|
|
Constructor.
|
|
|
|
\membersection{wxPropertySheet::\destruct{wxPropertySheet}}
|
|
|
|
\func{void}{\destruct{wxPropertySheet}}{\void}
|
|
|
|
Destructor. Destroys all contained properties.
|
|
|
|
\membersection{wxPropertySheet::AddProperty}\label{wxpropertysheetaddproperty}
|
|
|
|
\func{void}{AddProperty}{\param{wxProperty *}{property}}
|
|
|
|
Adds a property to the sheet.
|
|
|
|
\membersection{wxPropertySheet::Clear}\label{wxpropertysheetclear}
|
|
|
|
\func{void}{Clear}{\void}
|
|
|
|
Clears all the properties from the sheet (deleting them).
|
|
|
|
\membersection{wxPropertySheet::GetProperties}\label{wxpropertysheetgetproperties}
|
|
|
|
\func{wxList\&}{GetProperties}{\void}
|
|
|
|
Returns a reference to the internal list of properties.
|
|
|
|
\membersection{wxPropertySheet::GetProperty}\label{wxpropertysheetgetproperty}
|
|
|
|
\func{wxProperty *}{GetProperty}{\param{char *}{name}}
|
|
|
|
Gets a property by name.
|
|
|
|
\membersection{wxPropertySheet::SetAllModified}
|
|
|
|
\func{void}{SetAllModified}{\param{Bool}{ flag}}
|
|
|
|
Sets the `modified' flag of each property value.
|
|
|
|
|
|
|
|
\section{\class{wxPropertyValidator}: wxEvtHandler}\label{wxpropertyvalidator}
|
|
|
|
\overview{wxPropertyValidator overview}{wxpropertyvalidatoroverview}
|
|
|
|
The {\bf wxPropertyValidator} abstract class is the base class for deriving
|
|
validators for properties.
|
|
|
|
\membersection{wxPropertyValidator::wxPropertyValidator}
|
|
|
|
\func{void}{wxPropertyValidator}{\param{long}{ flags = 0}}
|
|
|
|
Constructor.
|
|
|
|
\membersection{wxPropertyValidator::\destruct{wxPropertyValidator}}
|
|
|
|
\func{void}{\destruct{wxPropertyValidator}}{\void}
|
|
|
|
Destructor.
|
|
|
|
\membersection{wxPropertyValidator::GetFlags}
|
|
|
|
\func{long}{GetFlags}{\void}
|
|
|
|
Returns the flags for the validator.
|
|
|
|
\membersection{wxPropertyValidator::GetValidatorProperty}
|
|
|
|
\func{wxProperty *}{GetValidatorProperty}{\void}
|
|
|
|
Gets the property for the validator.
|
|
|
|
\membersection{wxPropertyValidator::SetValidatorProperty}
|
|
|
|
\func{void}{SetValidatorProperty}{\param{wxProperty *}{property}}
|
|
|
|
Sets the property for the validator.
|
|
|
|
|
|
\section{\class{wxPropertyValidatorRegistry}: wxHashTable}\label{wxpropertyvalidatorregistry}
|
|
|
|
The {\bf wxPropertyValidatorRegistry} class is used for storing validators,
|
|
indexed by the `role name' of the property, by which groups of property
|
|
can be identified for the purpose of validation and editing.
|
|
|
|
\membersection{wxPropertyValidatorRegistry::wxPropertyValidatorRegistry}
|
|
|
|
\func{void}{wxPropertyValidatorRegistry}{\void}
|
|
|
|
Constructor.
|
|
|
|
\membersection{wxPropertyValidatorRegistry::\destruct{wxPropertyValidatorRegistry}}
|
|
|
|
\func{void}{\destruct{wxPropertyValidatorRegistry}}{\void}
|
|
|
|
Destructor.
|
|
|
|
\membersection{wxPropertyValidatorRegistry::Clear}
|
|
|
|
\func{void}{ClearRegistry}{\void}
|
|
|
|
Clears the registry, deleting the validators.
|
|
|
|
\membersection{wxPropertyValidatorRegistry::GetValidator}
|
|
|
|
\func{wxPropertyValidator *}{GetValidator}{\param{wxString\& }{roleName}}
|
|
|
|
Retrieve a validator by the property role name.
|
|
|
|
\membersection{wxPropertyValidatorRegistry::RegisterValidator}\label{wxpropertyvalidatorregistervalidator}
|
|
|
|
\func{void}{RegisterValidator}{\param{wxString\& }{roleName}, \param{wxPropertyValidator *}{validator}}
|
|
|
|
Register a validator with the registry. {\it roleName} is a name indicating the
|
|
role of the property, such as ``filename''. Later, when a validator is chosen for
|
|
editing a property, this role name is matched against the class names of the property,
|
|
if the property does not already have a validator explicitly associated with it.
|
|
|
|
|
|
\section{\class{wxPropertyValue}: wxObject}\label{wxpropertyvalue}
|
|
|
|
The {\bf wxPropertyValue} class represents the value of a property,
|
|
and is normally associated with a wxProperty object.
|
|
|
|
A wxPropertyValue has one of the following types:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item wxPropertyValueNull
|
|
\item wxPropertyValueInteger
|
|
\item wxPropertyValueReal
|
|
\item wxPropertyValueBool
|
|
\item wxPropertyValueString
|
|
\item wxPropertyValueList
|
|
\item wxPropertyValueIntegerPtr
|
|
\item wxPropertyValueRealPtr
|
|
\item wxPropertyValueBoolPtr
|
|
\item wxPropertyValueStringPtr
|
|
\end{itemize}
|
|
|
|
\membersection{wxPropertyValue::wxPropertyValue}
|
|
|
|
\func{void}{wxPropertyValue}{\void}
|
|
|
|
Default constructor.
|
|
|
|
\func{void}{wxPropertyValue}{\param{const wxPropertyValue\& }{copyFrom}}
|
|
|
|
Copy constructor.
|
|
|
|
\func{void}{wxPropertyValue}{\param{char *}{val}}
|
|
|
|
Construction from a string value.
|
|
|
|
\func{void}{wxPropertyValue}{\param{long}{ val}}
|
|
|
|
Construction from an integer value. You may need to cast to (long) to
|
|
avoid confusion with other constructors (such as the Bool constructor).
|
|
|
|
\func{void}{wxPropertyValue}{\param{Bool}{ val}}
|
|
|
|
Construction from a boolean value.
|
|
|
|
\func{void}{wxPropertyValue}{\param{float}{ val}}
|
|
|
|
Construction from a floating point value.
|
|
|
|
\func{void}{wxPropertyValue}{\param{double}{ val}}
|
|
|
|
Construction from a floating point value.
|
|
|
|
\func{void}{wxPropertyValue}{\param{wxList *}{ val}}
|
|
|
|
Construction from a list of wxPropertyValue objects. The
|
|
list, but not each contained wxPropertyValue, will be deleted
|
|
by the constructor. The wxPropertyValues will be assigned to
|
|
this wxPropertyValue list. In other words, so do not delete wxList or
|
|
its data after calling this constructor.
|
|
|
|
\func{void}{wxPropertyValue}{\param{wxStringList *}{ val}}
|
|
|
|
Construction from a list of strings. The list (including the strings
|
|
contained in it) will be deleted by the constructor, so do not
|
|
destroy {\it val} explicitly.
|
|
|
|
\func{void}{wxPropertyValue}{\param{char **}{val}}
|
|
|
|
Construction from a string pointer.
|
|
|
|
\func{void}{wxPropertyValue}{\param{long *}{val}}
|
|
|
|
Construction from an integer pointer.
|
|
|
|
\func{void}{wxPropertyValue}{\param{Bool *}{val}}
|
|
|
|
Construction from an boolean pointer.
|
|
|
|
\func{void}{wxPropertyValue}{\param{float *}{val}}
|
|
|
|
Construction from a floating point pointer.
|
|
|
|
The last four constructors use pointers to various C++ types, and do not
|
|
store the types themselves; this allows the values to stand in for actual
|
|
data values defined elsewhere.
|
|
|
|
\membersection{wxPropertyValue::\destruct{wxPropertyValue}}
|
|
|
|
\func{void}{\destruct{wxPropertyValue}}{\void}
|
|
|
|
Destructor.
|
|
|
|
\membersection{wxPropertyValue::Append}
|
|
|
|
\func{void}{Append}{\param{wxPropertyValue *}{expr}}
|
|
|
|
Appends a property value to the list.
|
|
|
|
\membersection{wxPropertyValue::BoolValue}
|
|
|
|
\func{Bool}{BoolValue}{\void}
|
|
|
|
Returns the boolean value.
|
|
|
|
\membersection{wxPropertyValue::BoolValuePtr}
|
|
|
|
\func{Bool *}{BoolValuePtr}{\void}
|
|
|
|
Returns the pointer to the boolean value.
|
|
|
|
\membersection{wxPropertyValue::ClearList}
|
|
|
|
\func{void}{ClearList}{\void}
|
|
|
|
Deletes the contents of the list.
|
|
|
|
\membersection{wxPropertyValue::Delete}
|
|
|
|
\func{void}{Delete}{\param{wxPropertyValue *}{expr}}
|
|
|
|
Deletes {\it expr} from this list.
|
|
|
|
\membersection{wxPropertyValue::GetFirst}
|
|
|
|
\func{wxPropertyValue *}{GetFirst}{\void}
|
|
|
|
Gets the first value in the list.
|
|
|
|
\membersection{wxPropertyValue::GetLast}
|
|
|
|
\func{wxPropertyValue *}{GetFirst}{\void}
|
|
|
|
Gets the last value in the list.
|
|
|
|
\membersection{wxPropertyValue::GetModified}
|
|
|
|
\func{Bool}{GetModified}{\void}
|
|
|
|
Returns TRUE if the value was modified since being created
|
|
(or since SetModified was called).
|
|
|
|
\membersection{wxPropertyValue::GetNext}
|
|
|
|
\func{wxPropertyValue *}{GetNext}{\void}
|
|
|
|
Gets the next value in the list (the one after `this').
|
|
|
|
\membersection{wxPropertyValue::GetStringRepresentation}
|
|
|
|
\func{wxString}{GetStringRepresentation}{\void}
|
|
|
|
Gets a string representation of the value.
|
|
|
|
\membersection{wxPropertyValue::IntegerValue}
|
|
|
|
\func{long}{IntegerValue}{\void}
|
|
|
|
Returns the integer value.
|
|
|
|
\membersection{wxPropertyValue::Insert}
|
|
|
|
\func{void}{Insert}{\param{wxPropertyValue *}{expr}}
|
|
|
|
Inserts a property value at the front of a list.
|
|
|
|
\membersection{wxPropertyValue::IntegerValuePtr}
|
|
|
|
\func{long *}{IntegerValuePtr}{\void}
|
|
|
|
Returns the pointer to the integer value.
|
|
|
|
\membersection{wxPropertyValue::Nth}
|
|
|
|
\func{wxPropertyValue *}{Nth}{\param{int}{ n}}
|
|
|
|
Returns the nth value of a list expression (starting from zero).
|
|
|
|
\membersection{wxPropertyValue::Number}
|
|
|
|
\func{int}{Number}{\void}
|
|
|
|
Returns the number of elements in a list expression.
|
|
|
|
\membersection{wxPropertyValue::RealValue}
|
|
|
|
\func{float}{RealValue}{\void}
|
|
|
|
Returns the floating point value.
|
|
|
|
\membersection{wxPropertyValue::RealValuePtr}
|
|
|
|
\func{float *}{RealValuePtr}{\void}
|
|
|
|
Returns the pointer to the floating point value.
|
|
|
|
\membersection{wxPropertyValue::SetModified}
|
|
|
|
\func{void}{SetModified}{\param{Bool}{ flag}}
|
|
|
|
Sets the `modified' flag.
|
|
|
|
\membersection{wxPropertyValue::StringValue}
|
|
|
|
\func{char *}{StringValue}{\void}
|
|
|
|
Returns the string value.
|
|
|
|
\membersection{wxPropertyValue::StringValuePtr}
|
|
|
|
\func{char **}{StringValuePtr}{\void}
|
|
|
|
Returns the pointer to the string value.
|
|
|
|
\membersection{wxPropertyValue::Type}
|
|
|
|
\func{wxPropertyValueType}{Type}{\void}
|
|
|
|
Returns the value type.
|
|
|
|
\membersection{wxPropertyValue::operator $=$}
|
|
|
|
\func{void}{operator $=$}{\param{const wxPropertyValue\& }{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const char *}{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const long }{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const Bool }{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const float }{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const char **}{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const long *}{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const Bool *}{val}}
|
|
|
|
\func{void}{operator $=$}{\param{const float *}{val}}
|
|
|
|
Assignment operators.
|
|
|
|
|
|
|
|
\section{\class{wxPropertyView}: wxEvtHandler}\label{wxpropertyview}
|
|
|
|
\overview{wxPropertyView overview}{wxpropertyviewoverview}
|
|
|
|
The {\bf wxPropertyView} abstract class is the base class for views
|
|
of property sheets, acting as intermediaries between properties and
|
|
actual windows.
|
|
|
|
\membersection{wxPropertyView::wxPropertyView}
|
|
|
|
\func{void}{wxPropertyView}{\param{long}{ flags = wxPROP\_BUTTON\_DEFAULT}}
|
|
|
|
Constructor.
|
|
|
|
The {\it flags} argument can be a bit list of the following:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item wxPROP\_BUTTON\_CLOSE
|
|
\item wxPROP\_BUTTON\_OK
|
|
\item wxPROP\_BUTTON\_CANCEL
|
|
\item wxPROP\_BUTTON\_CHECK\_CROSS
|
|
\item wxPROP\_BUTTON\_HELP
|
|
\item wxPROP\_DYNAMIC\_VALUE\_FIELD
|
|
\item wxPROP\_PULLDOWN
|
|
\end{itemize}
|
|
|
|
\membersection{wxPropertyView::\destruct{wxPropertyView}}
|
|
|
|
\func{void}{\destruct{wxPropertyView}}{\void}
|
|
|
|
Destructor.
|
|
|
|
\membersection{wxPropertyView::AddRegistry}\label{wxpropertyviewaddregistry}
|
|
|
|
\func{void}{AddRegistry}{\param{wxPropertyValidatorRegistry *}{registry}}
|
|
|
|
Adds a registry (list of property validators) the view's list of registries, which is initially empty.
|
|
|
|
\membersection{wxPropertyView::FindPropertyValidator}\label{wxpropertyviewfindpropertyvalidator}
|
|
|
|
\func{wxPropertyValidator *}{FindPropertyValidator}{\param{wxProperty *}{property}}
|
|
|
|
Finds the property validator that is most appropriate to this property.
|
|
|
|
\membersection{wxPropertyView::GetPropertySheet}\label{wxpropertyviewgetpropertysheet}
|
|
|
|
\func{wxPropertySheet *}{GetPropertySheet}{\void}
|
|
|
|
Gets the property sheet for this view.
|
|
|
|
\membersection{wxPropertyView::GetRegistryList}\label{wxpropertyviewgetregistrylist}
|
|
|
|
\func{wxList\&}{GetRegistryList}{\void}
|
|
|
|
Returns a reference to the list of property validator registries.
|
|
|
|
\membersection{wxPropertyView::OnOk}\label{wxpropertyviewonok}
|
|
|
|
\func{void}{OnOk}{\void}
|
|
|
|
Virtual function that will be called when the OK button on the physical window is pressed (if it exists).
|
|
|
|
\membersection{wxPropertyView::OnCancel}\label{wxpropertyviewoncancel}
|
|
|
|
\func{void}{OnCancel}{\void}
|
|
|
|
Virtual function that will be called when the Cancel button on the physical window is pressed (if it exists).
|
|
|
|
\membersection{wxPropertyView::OnClose}\label{wxpropertyviewonclose}
|
|
|
|
\func{Bool}{OnClose}{\void}
|
|
|
|
Virtual function that will be called when the physical window is closed. The default implementation returns FALSE.
|
|
|
|
\membersection{wxPropertyView::OnHelp}\label{wxpropertyviewonhelp}
|
|
|
|
\func{void}{OnHelp}{\void}
|
|
|
|
Virtual function that will be called when the Help button on the physical window is pressed (if it exists).
|
|
|
|
\membersection{wxPropertyView::OnPropertyChanged}\label{wxpropertyviewonpropertychanged}
|
|
|
|
\func{void}{OnPropertyChanged}{\param{wxProperty *}{property}}
|
|
|
|
Virtual function called by a view or validator when a property's value changed. Validators
|
|
must be written correctly for this to be called. You can override this function
|
|
to respond immediately to property value changes.
|
|
|
|
\membersection{wxPropertyView::OnUpdateView}\label{wxpropertyviewonupdateview}
|
|
|
|
\func{Bool}{OnUpdateView}{\void}
|
|
|
|
Called by the viewed object to update the view. The default implementation just returns
|
|
FALSE.
|
|
|
|
\membersection{wxPropertyView::SetPropertySheet}\label{wxpropertyviewsetpropertysheet}
|
|
|
|
\func{void}{SetPropertySheet}{\param{wxPropertySheet *}{sheet}}
|
|
|
|
Sets the property sheet for this view.
|
|
|
|
\membersection{wxPropertyView::ShowView}\label{wxpropertyviewshowview}
|
|
|
|
\func{void}{ShowView}{\param{wxPropertySheet *}{sheet}, \param{wxPanel *}{panel}}
|
|
|
|
Associates this view with the given panel, and shows the view.
|
|
|
|
\section{\class{wxRealFormValidator}: wxPropertyFormValidator}\label{wxrealformvalidator}
|
|
|
|
\overview{Validator classes}{validatorclasses}
|
|
|
|
This class validates a range of real values for form views. The associated panel item must be a wxText.
|
|
|
|
\membersection{wxRealFormValidator::wxRealFormValidator}
|
|
|
|
\func{void}{wxRealFormValidator}{\param{float }{min=0.0}, \param{float }{max=0.0},
|
|
\param{long}{ flags=0}}
|
|
|
|
Constructor. Assigning zero to minimum and maximum values indicates that there is no range to check.
|
|
|
|
|
|
\section{\class{wxStringFormValidator}: wxPropertyFormValidator}\label{wxstringformvalidator}
|
|
|
|
\overview{Validator classes}{validatorclasses}
|
|
|
|
This class validates a string value for a form view, with an optional choice of possible values.
|
|
The associated panel item must be a wxText, wxListBox or wxChoice. For wxListBox and wxChoice items,
|
|
if the item is empty, the validator attempts to initialize the item from the strings in
|
|
the validator. Note that this does not happen for XView wxChoice items since XView cannot reinitialize a wxChoice.
|
|
|
|
\membersection{wxStringFormValidator::wxStringFormValidator}
|
|
|
|
\func{void}{wxStringFormValidator}{\param{wxStringList *}{list=NULL}, \param{long}{ flags=0}}
|
|
|
|
Constructor. Supply a list of strings to indicate a choice, or no strings to allow the
|
|
user to freely edit the string. The string list will be deleted when the validator is deleted.
|
|
|
|
|
|
\section{\class{wxRealListValidator}: wxPropertyListValidator}\label{wxreallistvalidator}
|
|
|
|
\overview{Validator classes}{validatorclasses}
|
|
|
|
This class validates a range of real values for property lists.
|
|
|
|
\membersection{wxRealListValidator::wxreallistvalidator}
|
|
|
|
\func{void}{wxRealListValidator}{\param{float }{min=0.0}, \param{float }{max=0.0},
|
|
\param{long}{ flags=wxPROP\_ALLOW\_TEXT\_EDITING}}
|
|
|
|
Constructor. Assigning zero to minimum and maximum values indicates that there is no range to check.
|
|
|
|
|
|
\section{\class{wxStringListValidator}: wxPropertyListValidator}\label{wxstringlistvalidator}
|
|
|
|
\overview{Validator classes}{validatorclasses}
|
|
|
|
This class validates a string value, with an optional choice of possible values.
|
|
|
|
\membersection{wxStringListValidator::wxStringListValidator}
|
|
|
|
\func{void}{wxStringListValidator}{\param{wxStringList *}{list=NULL}, \param{long}{ flags=0}}
|
|
|
|
Constructor. Supply a list of strings to indicate a choice, or no strings to allow the
|
|
user to freely edit the string. The string list will be deleted when the validator is deleted.
|
|
|
|
|
|
\chapter{Classes by category}\label{classesbycat}
|
|
|
|
A classification of property sheet classes by category.
|
|
|
|
\section{Data classes}
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item \helpref{wxProperty}{wxproperty}
|
|
\item \helpref{wxPropertyValue}{wxpropertyvalue}
|
|
\item \helpref{wxPropertySheet}{wxpropertysheet}
|
|
\end{itemize}
|
|
|
|
|
|
\section{Validator classes}\label{validatorclasses}
|
|
|
|
Validators check that the values the user has entered for a property are
|
|
valid. They can also define specific ways of entering data, such as a
|
|
file selector for a filename, and they are responsible for transferring
|
|
values between the wxProperty and the physical display.
|
|
|
|
Base classes:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item \helpref{wxPropertyValidator}{wxproperty}
|
|
\item \helpref{wxPropertyListValidator}{wxpropertylistvalidator}
|
|
\item \helpref{wxPropertyFormValidator}{wxpropertyformvalidator}
|
|
\end{itemize}
|
|
|
|
List view validators:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item \helpref{wxBoolListValidator}{wxboollistvalidator}
|
|
\item \helpref{wxFilenameListValidator}{wxfilenamelistvalidator}
|
|
\item \helpref{wxIntegerListValidator}{wxintegerlistvalidator}
|
|
\item \helpref{wxListOfStringsListValidator}{wxlistofstringslistvalidator}
|
|
\item \helpref{wxRealListValidator}{wxreallistvalidator}
|
|
\item \helpref{wxStringListValidator}{wxstringlistvalidator}
|
|
\end{itemize}
|
|
|
|
Form view validators:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item \helpref{wxBoolFormValidator}{wxboolformvalidator}
|
|
\item \helpref{wxIntegerFormValidator}{wxintegerformvalidator}
|
|
\item \helpref{wxRealFormValidator}{wxrealformvalidator}
|
|
\item \helpref{wxStringFormValidator}{wxstringformvalidator}
|
|
\end{itemize}
|
|
|
|
\section{View classes}\label{viewclasses}
|
|
|
|
View classes mediate between a property sheet and a physical window.
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item \helpref{wxPropertyView}{wxpropertyview}
|
|
\item \helpref{wxPropertyListView}{wxpropertylistview}
|
|
\item \helpref{wxPropertyFormView}{wxpropertyformview}
|
|
\end{itemize}
|
|
|
|
\section{Window classes}\label{windowclasses}
|
|
|
|
The class library defines some window classes that can be used as-is with a suitable
|
|
view class and property sheet.
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item \helpref{wxPropertyFormFrame}{wxpropertyformframe}
|
|
\item \helpref{wxPropertyFormDialog}{wxpropertyformdialog}
|
|
\item \helpref{wxPropertyFormPanel}{wxpropertyformpanel}
|
|
\item \helpref{wxPropertyListFrame}{wxpropertylistframe}
|
|
\item \helpref{wxPropertyListDialog}{wxpropertylistdialog}
|
|
\item \helpref{wxPropertyListPanel}{wxpropertylistpanel}
|
|
\end{itemize}
|
|
|
|
\section{Registry classes}
|
|
|
|
A validator registry is a list of validators that can be applied to properties in a property sheet.
|
|
There may be one or more registries per property view.
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item \helpref{wxPropertyValidatorRegistry}{wxpropertyvalidatorregistry}
|
|
\end{itemize}
|
|
|
|
|
|
\chapter{Topic overviews}\label{overviews}
|
|
|
|
This chapter contains a selection of topic overviews.
|
|
|
|
\section{Property classes overview}\label{propertyoverview}
|
|
|
|
The property classes help a programmer to express relationships between
|
|
data and physical windows, in particular:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item the transfer of data to and from the physical controls;
|
|
\item the behaviour of various controls and custom windows for particular
|
|
types of data;
|
|
\item the validation of data, notifying the user when incorrect data is entered,
|
|
or even better, constraining the input so only valid data can be entered.
|
|
\end{itemize}
|
|
|
|
With a consistent framework, the programmer should be able to use existing
|
|
components and design new ones in a principled manner, to solve many data entry
|
|
requirements.
|
|
|
|
Each datum is represented in a \helpref{wxProperty}{wxproperty}, which has a name and a value.
|
|
Various C++ types are permitted in the value of a property, and the property can store a pointer
|
|
to the data instead of a copy of the data. A \helpref{wxPropertySheet}{wxpropertysheet} represents a number of these properties.
|
|
|
|
These two classes are independent from the way in which the data is visually manipulated. To
|
|
mediate between property sheets and windows, the abstract class \helpref{wxPropertyView}{wxpropertyview} is
|
|
available for programmers to derive new kinds of view. One kind of view that is available is the \helpref{wxPropertyListView}{wxpropertylistview},
|
|
which displays the data in a Visual Basic-style list, with a small number of controls for editing
|
|
the currently selected property. Another is \helpref{wxPropertyFormView}{wxpropertyformview} which
|
|
mediates between an existing dialog or panel and the property sheet.
|
|
|
|
The hard work of mediation is actually performed by validators, which are instances of classes
|
|
derived from \helpref{wxPropertyValidator}{wxpropertyvalidator}. A validator is associated with
|
|
a particular property and is responsible for
|
|
responding to user interface events, and displaying, updating and checking the property value.
|
|
Because a validator's behaviour depends largely on the kind of view being used, there has to be
|
|
a separate hierarchy of validators for each class of view. So for wxPropertyListView, there is
|
|
an abstract class \helpref{wxPropertyListValidator}{wxpropertylistvalidator} from which concrete
|
|
classes are derived, such as \helpref{wxRealListValidator}{wxreallistvalidator} and
|
|
\rtfsp\helpref{wxStringListValidator}{wxstringlistvalidator}.
|
|
|
|
A validator can be explicitly set for a property, so there is no doubt which validator
|
|
should be used to edit that property. However, it is also possible to define a registry
|
|
of validators, and have the validator chosen on the basis of the {\it role} of the property.
|
|
So a property with a ``filename" role would match the ``filename" validator, which pops
|
|
up a file selector when the user double clicks on the property.
|
|
|
|
You don't have to define your own frame or window classes: there are some predefined
|
|
that will work with the property list view. See \helpref{Window classes}{windowclasses} for
|
|
further details.
|
|
|
|
\subsection{Example 1: Property list view}
|
|
|
|
The following code fragment shows the essentials of creating a registry of
|
|
standard validators, a property sheet containing some properties, and
|
|
a property list view and dialog or frame. RegisterValidators will be
|
|
called on program start, and PropertySheetTest is called in response to a
|
|
menu command.
|
|
|
|
Note how some properties are created with an explicit reference to
|
|
a validator, and others are provided with a ``role'' which can be matched
|
|
against a validator in the registry.
|
|
|
|
The interface generated by this test program is shown in the section \helpref{Appearance and
|
|
behaviour of a property list view}{appearance}.
|
|
|
|
\begin{verbatim}
|
|
void RegisterValidators(void)
|
|
{
|
|
myListValidatorRegistry.RegisterValidator((wxString)"real", new wxRealListValidator);
|
|
myListValidatorRegistry.RegisterValidator((wxString)"string", new wxStringListValidator);
|
|
myListValidatorRegistry.RegisterValidator((wxString)"integer", new wxIntegerListValidator);
|
|
myListValidatorRegistry.RegisterValidator((wxString)"bool", new wxBoolListValidator);
|
|
}
|
|
|
|
void PropertyListTest(Bool useDialog)
|
|
{
|
|
wxPropertySheet *sheet = new wxPropertySheet;
|
|
|
|
sheet->AddProperty(new wxProperty("fred", 1.0, "real"));
|
|
sheet->AddProperty(new wxProperty("tough choice", (Bool)TRUE, "bool"));
|
|
sheet->AddProperty(new wxProperty("ian", (long)45, "integer", new wxIntegerListValidator(-50, 50)));
|
|
sheet->AddProperty(new wxProperty("bill", 25.0, "real", new wxRealListValidator(0.0, 100.0)));
|
|
sheet->AddProperty(new wxProperty("julian", "one", "string"));
|
|
sheet->AddProperty(new wxProperty("bitmap", "none", "string", new wxFilenameListValidator("Select a bitmap file", "*.bmp")));
|
|
wxStringList *strings = new wxStringList("one", "two", "three", NULL);
|
|
sheet->AddProperty(new wxProperty("constrained", "one", "string", new wxStringListValidator(strings)));
|
|
|
|
wxPropertyListView *view =
|
|
new wxPropertyListView(NULL,
|
|
wxPROP_BUTTON_CHECK_CROSS|wxPROP_DYNAMIC_VALUE_FIELD|wxPROP_PULLDOWN);
|
|
|
|
wxDialogBox *propDialog = NULL;
|
|
wxPropertyListFrame *propFrame = NULL;
|
|
if (useDialog)
|
|
{
|
|
propDialog = new wxPropertyListDialog(view, NULL, "Property Sheet Test", TRUE, -1, -1, 400, 500);
|
|
}
|
|
else
|
|
{
|
|
propFrame = new wxPropertyListFrame(view, NULL, "Property Sheet Test", -1, -1, 400, 500);
|
|
}
|
|
|
|
view->AddRegistry(&myListValidatorRegistry);
|
|
|
|
if (useDialog)
|
|
{
|
|
view->ShowView(sheet, propDialog);
|
|
propDialog->Centre(wxBOTH);
|
|
propDialog->Show(TRUE);
|
|
}
|
|
else
|
|
{
|
|
propFrame->Initialize();
|
|
view->ShowView(sheet, propFrame->GetPropertyPanel());
|
|
propFrame->Centre(wxBOTH);
|
|
propFrame->Show(TRUE);
|
|
}
|
|
}
|
|
\end{verbatim}
|
|
|
|
\subsection{Example 2: Property form view}
|
|
|
|
This example is similar to Example 1, but uses a property form view to
|
|
edit a property sheet using a predefined dialog box.
|
|
|
|
\begin{verbatim}
|
|
void RegisterValidators(void)
|
|
{
|
|
myFormValidatorRegistry.RegisterValidator((wxString)"real", new wxRealFormValidator);
|
|
myFormValidatorRegistry.RegisterValidator((wxString)"string", new wxStringFormValidator);
|
|
myFormValidatorRegistry.RegisterValidator((wxString)"integer", new wxIntegerFormValidator);
|
|
myFormValidatorRegistry.RegisterValidator((wxString)"bool", new wxBoolFormValidator);
|
|
}
|
|
|
|
void PropertyFormTest(Bool useDialog)
|
|
{
|
|
wxPropertySheet *sheet = new wxPropertySheet;
|
|
|
|
sheet->AddProperty(new wxProperty("fred", 25.0, "real", new wxRealFormValidator(0.0, 100.0)));
|
|
sheet->AddProperty(new wxProperty("tough choice", (Bool)TRUE, "bool"));
|
|
sheet->AddProperty(new wxProperty("ian", (long)45, "integer", new wxIntegerFormValidator(-50, 50)));
|
|
sheet->AddProperty(new wxProperty("julian", "one", "string"));
|
|
wxStringList *strings = new wxStringList("one", "two", "three", NULL);
|
|
sheet->AddProperty(new wxProperty("constrained", "one", "string", new wxStringFormValidator(strings)));
|
|
|
|
wxPropertyFormView *view = new wxPropertyFormView(NULL);
|
|
|
|
wxDialogBox *propDialog = NULL;
|
|
wxPropertyFormFrame *propFrame = NULL;
|
|
if (useDialog)
|
|
{
|
|
propDialog = new wxPropertyFormDialog(view, NULL, "Property Form Test", TRUE, -1, -1, 400, 300);
|
|
}
|
|
else
|
|
{
|
|
propFrame = new wxPropertyFormFrame(view, NULL, "Property Form Test", -1, -1, 400, 300);
|
|
propFrame->Initialize();
|
|
}
|
|
|
|
wxPanel *panel = propDialog ? propDialog : propFrame->GetPropertyPanel();
|
|
panel->SetLabelPosition(wxVERTICAL);
|
|
|
|
// Add items to the panel
|
|
|
|
(void) new wxButton(panel, (wxFunction)NULL, "OK", -1, -1, -1, -1, 0, "ok");
|
|
(void) new wxButton(panel, (wxFunction)NULL, "Cancel", -1, -1, 80, -1, 0, "cancel");
|
|
(void) new wxButton(panel, (wxFunction)NULL, "Update", -1, -1, 80, -1, 0, "update");
|
|
(void) new wxButton(panel, (wxFunction)NULL, "Revert", -1, -1, -1, -1, 0, "revert");
|
|
panel->NewLine();
|
|
|
|
// The name of this text item matches the "fred" property
|
|
(void) new wxText(panel, (wxFunction)NULL, "Fred", "", -1, -1, 90, -1, 0, "fred");
|
|
(void) new wxCheckBox(panel, (wxFunction)NULL, "Yes or no", -1, -1, -1, -1, 0, "tough choice");
|
|
(void) new wxSlider(panel, (wxFunction)NULL, "Sliding scale", 0, -50, 50, 100, -1, -1, wxHORIZONTAL, "ian");
|
|
panel->NewLine();
|
|
(void) new wxListBox(panel, (wxFunction)NULL, "Constrained", wxSINGLE, -1, -1, 100, 90, 0, NULL, 0, "constrained");
|
|
|
|
view->AddRegistry(&myFormValidatorRegistry);
|
|
|
|
if (useDialog)
|
|
{
|
|
view->ShowView(sheet, propDialog);
|
|
view->AssociateNames();
|
|
view->TransferToDialog();
|
|
propDialog->Centre(wxBOTH);
|
|
propDialog->Show(TRUE);
|
|
}
|
|
else
|
|
{
|
|
view->ShowView(sheet, propFrame->GetPropertyPanel());
|
|
view->AssociateNames();
|
|
view->TransferToDialog();
|
|
propFrame->Centre(wxBOTH);
|
|
propFrame->Show(TRUE);
|
|
}
|
|
}
|
|
\end{verbatim}
|
|
|
|
\section{Validator classes overview}\label{validatoroverview}
|
|
|
|
Classes: \helpref{Validator classes}{validatorclasses}
|
|
|
|
The validator classes provide functionality for mediating between a wxProperty and
|
|
the actual display. There is a separate family of validator classes for each
|
|
class of view, since the differences in user interface for these views implies
|
|
that little common functionality can be shared amongst validators.
|
|
|
|
\subsection{wxPropertyValidator overview}\label{wxpropertyvalidatoroverview}
|
|
|
|
Class: \helpref{wxPropertyValidator}{wxpropertyvalidator}
|
|
|
|
This class is the root of all property validator classes. It contains a small
|
|
amount of common functionality, including functions to convert between
|
|
strings and C++ values.
|
|
|
|
A validator is notionally an object which sits between a property and its displayed
|
|
value, and checks that the value the user enters is correct, giving an error message
|
|
if the validation fails. In fact, the validator does more than that, and is akin to
|
|
a view class but at a finer level of detail. It is also responsible for
|
|
loading the dialog box control with the value from the property, putting it back
|
|
into the property, preparing special controls for editing the value, and
|
|
may even invoke special dialogs for editing the value in a convenient way.
|
|
|
|
In a property list dialog, there is quite a lot of scope for supplying custom dialogs,
|
|
such as file or colour selectors. For a form dialog, there is less scope because
|
|
there is no concept of `detailed editing' of a value: one control is associated with
|
|
one property, and there is no provision for invoking further dialogs. The reader
|
|
may like to work out how the form view could be extended to provide some of the
|
|
functionality of the property list!
|
|
|
|
Validator objects may be associated explictly with a wxProperty, or they may be
|
|
indirectly associated by virtue of a property `kind' that matches validators having
|
|
that kind. In the latter case, such validators are stored in a validator registry
|
|
which is passed to the view before the dialog is shown. If the validator takes
|
|
arguments, such as minimum and maximum values in the case of a wxIntegerListValidator,
|
|
then the validator must be associated explicitly with the property. The validator
|
|
will be deleted when the property is deleted.
|
|
|
|
\subsection{wxPropertyListValidator overview}\label{wxpropertylistvalidatoroverview}
|
|
|
|
Class: \helpref{wxPropertyListValidator}{wxpropertylistvalidator}
|
|
|
|
This class is the abstract base class for property list view validators.
|
|
The list view acts upon a user interface containing a list of properties,
|
|
a text item for direct property value editing, confirm/cancel buttons for the value,
|
|
a pulldown list for making a choice between values, and OK/Cancel/Help buttons
|
|
for the dialog (see \helpref{property list appearance}{appearance}).
|
|
|
|
By overriding virtual functions, the programmer can create custom
|
|
behaviour for different kinds of property. Custom behaviour can use just the
|
|
available controls on the property list dialog, or the validator can
|
|
invoke custom editors with quite different controls, which pop up in
|
|
`detailed editing' mode.
|
|
|
|
See the detailed class documentation for the members you should override
|
|
to give your validator appropriate behaviour.
|
|
|
|
\subsection{wxPropertyFormValidator overview}\label{wxpropertyformvalidatoroverview}
|
|
|
|
This class is the abstract base class for property form view validators.
|
|
The form view acts upon an existing dialog box or panel, where either the
|
|
panel item names correspond to property names, or the programmer has explicitly
|
|
associated the panel item with the property.
|
|
|
|
By overriding virtual functions, the programmer determines how
|
|
values are displayed or retrieved, and the checking that the validator does.
|
|
|
|
See the detailed class documentation for the members you should override
|
|
to give your validator appropriate behaviour.
|
|
|
|
\section{View classes overview}\label{viewoverview}
|
|
|
|
Classes: \helpref{View classes}{viewclasses}
|
|
|
|
An instance of a view class relates a property sheet with an actual window.
|
|
Currently, there are two classes of view: wxPropertyListView and wxPropertyFormView.
|
|
|
|
\subsection{wxPropertyView overview}\label{wxpropertyviewoverview}
|
|
|
|
Class: \helpref{wxPropertyView}{wxpropertyview}
|
|
|
|
This is the abstract base class for property views.
|
|
|
|
\subsection{wxPropertyListView overview}\label{wxpropertylistviewoverview}
|
|
|
|
Class: \helpref{wxPropertyListView}{wxpropertylistview}
|
|
|
|
The property list view defines the relationship between a property sheet and
|
|
a property list dialog or panel. It manages user interface events such as
|
|
clicking on a property, pressing return in the text edit field, and clicking
|
|
on Confirm or Cancel. These events cause member functions of the
|
|
class to be called, and these in turn may call member functions of
|
|
the appropriate validator to be called, to prepare controls, check the property value,
|
|
invoke detailed editing, etc.
|
|
|
|
\subsection{wxPropertyFormView overview}\label{wxpropertyformviewoverview}
|
|
|
|
Class: \helpref{wxPropertyFormView}{wxpropertyformview}
|
|
|
|
The property form view manages the relationship between a property sheet
|
|
and an existing dialog or panel.
|
|
|
|
You must first create a panel or dialog box for the view to work on.
|
|
The panel should contain panel items with names that correspond to
|
|
properties in your property sheet; or you can explicitly set the
|
|
panel item for each property.
|
|
|
|
Apart from any custom panel items that you wish to control independently
|
|
of the property-editing items, wxPropertyFormView takes over the
|
|
processing of item events. It can also control normal dialog behaviour such
|
|
as OK, Cancel, so you should also create some standard buttons that the property view
|
|
can recognise. Just create the buttons with standard names and the view
|
|
will do the rest. The following button names are recognised:
|
|
|
|
\begin{itemize}\itemsep=0pt
|
|
\item {\bf ok}: indicates the OK button. Calls wxPropertyFormView::OnOk. By default,
|
|
checks and updates the form values, closes and deletes the frame or dialog, then deletes the view.
|
|
\item {\bf cancel}: indicates the Cancel button. Calls wxPropertyFormView::OnCancel. By default,
|
|
closes and deletes the frame or dialog, then deletes the view.
|
|
\item {\bf help}: indicates the Help button. Calls wxPropertyFormView::OnHelp. This needs
|
|
to be overridden by the application for anything interesting to happen.
|
|
\item {\bf revert}: indicates the Revert button. Calls wxPropertyFormView::OnRevert,
|
|
which by default transfers the wxProperty values to the panel items (in effect
|
|
undoing any unsaved changes in the items).
|
|
\item {\bf update}: indicates the Revert button. Calls wxPropertyFormView::OnUpdate, which
|
|
by defaults transfers the displayed values to the wxProperty objects.
|
|
\end{itemize}
|
|
|
|
\section{wxPropertySheet overview}\label{wxpropertysheetoverview}
|
|
|
|
Classes: \helpref{wxPropertySheet}{wxpropertysheet}, \helpref{wxProperty}{wxproperty}, \helpref{wxPropertyValue}{wxpropertyvalue}
|
|
|
|
A property sheet defines zero or more properties. This is a bit like an explicit representation of
|
|
a C++ object. wxProperty objects can have values which are pointers to C++ values, or they
|
|
can allocate their own storage for values.
|
|
|
|
Because the property sheet representation is explicit and can be manipulated by
|
|
a program, it is a convenient form to be used for a variety of
|
|
editing purposes. wxPropertyListView and wxPropertyFormView are two classes that
|
|
specify the relationship between a property sheet and a user interface. You could imagine
|
|
other uses for wxPropertySheet, for example to generate a form-like user interface without
|
|
the need for GUI programming. Or for storing the names and values of command-line switches, with the
|
|
option to subsequently edit these values using a wxPropertyListView.
|
|
|
|
A typical use for a property sheet is to represent values of an object
|
|
which are only implicit in the current representation of it. For
|
|
example, in Visual Basic and similar programming environments, you can
|
|
`edit a button', or rather, edit the button's properties. One of the
|
|
properties you can edit is {\it width} - but there is no explicit
|
|
representation of width in a wxWindows button; instead, you call SetSize
|
|
and GetSize members. To translate this into a consisent,
|
|
property-oriented scheme, we could derive a new class
|
|
wxButtonWithProperties, which has two new functions: SetProperty and
|
|
GetProperty. SetProperty accepts a property name and a value, and calls
|
|
an appropriate function for the property that is being passed.
|
|
GetProperty accepts a property name, returning a property value. So
|
|
instead of having to use the usual arbitrary set of C++ member functions
|
|
to set or access attributes of a window, programmer deals merely with
|
|
SetValue/GetValue, and property names and values.
|
|
We now have a single point at which we can modify or query an object by specifying
|
|
names and values at run-time. (The implementation of SetProperty and GetProperty
|
|
is probably quite messy and involves a large if-then-else statement to
|
|
test the property name and act accordingly.)
|
|
|
|
When the user invokes the property editor for a wxButtonWithProperties, the system
|
|
creates a wxPropertySheet with `imaginary' properties such as width, height, font size
|
|
and so on. For each property, wxButtonWithProperties::GetProperty is called, and the result is
|
|
passed to the corresponding wxProperty. The wxPropertySheet is passed to a wxPropertyListView
|
|
as described elsewhere, and the user edits away. When the user has finished editing, the system calls
|
|
wxButtonWithProperties::SetProperty to transfer the wxProperty value back into the button
|
|
by way of an appropriate call, wxWindow::SetSize in the case of width and height properties.
|
|
|
|
|
|
|