361 lines
12 KiB
C
361 lines
12 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: statusbr.h
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// Purpose: interface of wxStatusBar
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// Author: wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// wxStatusBar styles
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#define wxSTB_SIZEGRIP 0x0010
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#define wxSTB_SHOW_TIPS 0x0020
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#define wxSTB_ELLIPSIZE_START 0x0040
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#define wxSTB_ELLIPSIZE_MIDDLE 0x0080
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#define wxSTB_ELLIPSIZE_END 0x0100
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#define wxSTB_DEFAULT_STYLE (wxSTB_SIZEGRIP|wxSTB_ELLIPSIZE_END|wxSTB_SHOW_TIPS|wxFULL_REPAINT_ON_RESIZE)
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// style flags for wxStatusBar fields
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#define wxSB_NORMAL 0x0000
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#define wxSB_FLAT 0x0001
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#define wxSB_RAISED 0x0002
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#define wxSB_SUNKEN 0x0003
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/**
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@class wxStatusBarPane
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A status bar pane data container used by wxStatusBar.
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@library{wxcore}
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@category{data}
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@see wxStatusBar
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*/
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class wxStatusBarPane
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{
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public:
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/**
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Constructs the pane with the given @a style and @a width.
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*/
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wxStatusBarPane(int style = wxSB_NORMAL, int width = 0);
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/**
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Returns the pane width; it maybe negative, indicating a variable-width field.
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*/
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int GetWidth() const;
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/**
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Returns the pane style.
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*/
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int GetStyle() const;
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/**
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Returns the text currently shown in this pane.
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*/
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wxString GetText() const;
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bool IsEllipsized() const;
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void SetIsEllipsized(bool isEllipsized);
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void SetWidth(int width);
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void SetStyle(int style);
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/**
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Set text. Returns true if it changed or false if it was already set to
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this value.
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*/
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bool SetText(const wxString& text);
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/**
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Save the existing text on top of a stack and make the new text
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current. Returns true if the text really changed.
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*/
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bool PushText(const wxString& text);
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/**
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Restore the message saved by the last call to Push() (unless it was
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changed by an intervening call to SetText()) and return true if we
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really restored anything.
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*/
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bool PopText();
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};
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/**
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@class wxStatusBar
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A status bar is a narrow window that can be placed along the bottom of a frame
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to give small amounts of status information. It can contain one or more fields,
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one or more of which can be variable length according to the size of the window.
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wxStatusBar also maintains an independent stack of status texts for each field
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(see PushStatusText() and PopStatusText()).
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Note that in wxStatusBar context, the terms @e pane and @e field are synonyms.
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@beginStyleTable
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@style{wxSTB_SIZEGRIP}
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Displays a gripper at the right-hand side of the status bar which can be used
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to resize the parent window.
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@style{wxSTB_SHOW_TIPS}
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Displays tooltips for those panes whose status text has been ellipsized/truncated
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because the status text doesn't fit the pane width.
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Note that this style has effect only on wxGTK (with GTK+ >= 2.12) currently.
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@style{wxSTB_ELLIPSIZE_START}
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Replace the beginning of the status texts with an ellipsis when the status text
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widths exceed the status bar pane's widths (uses wxControl::Ellipsize).
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@style{wxSTB_ELLIPSIZE_MIDDLE}
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Replace the middle of the status texts with an ellipsis when the status text
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widths exceed the status bar pane's widths (uses wxControl::Ellipsize).
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@style{wxSTB_ELLIPSIZE_END}
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Replace the end of the status texts with an ellipsis when the status text
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widths exceed the status bar pane's widths (uses wxControl::Ellipsize).
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@style{wxSTB_DEFAULT_STYLE}
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The default style: includes
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@c wxSTB_SIZEGRIP|wxSTB_SHOW_TIPS|wxSTB_ELLIPSIZE_END|wxFULL_REPAINT_ON_RESIZE.
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@endStyleTable
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@remarks
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It is possible to create controls and other windows on the status bar.
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Position these windows from an OnSize() event handler.
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@remarks
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Notice that only the first 127 characters of a string will be shown in
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status bar fields under pre-XP MSW systems (or even under later systems if
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a proper manifest indicating that the program uses version 6 of common
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controls library is not used). This is a limitation of the native control
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on these platforms.
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@library{wxcore}
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@category{miscwnd}
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@see wxStatusBarPane, wxFrame, @ref page_samples_statbar
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*/
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class wxStatusBar : public wxControl
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{
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public:
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/**
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Default ctor.
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*/
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wxStatusBar();
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/**
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Constructor, creating the window.
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@param parent
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The window parent, usually a frame.
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@param id
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The window identifier.
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It may take a value of -1 to indicate a default value.
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@param style
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The window style. See wxStatusBar.
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@param name
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The name of the window. This parameter is used to associate a name with the
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item, allowing the application user to set Motif resource values for
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individual windows.
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@see Create()
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*/
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wxStatusBar(wxWindow* parent, wxWindowID id = wxID_ANY,
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long style = wxSTB_DEFAULT_STYLE,
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const wxString& name = wxStatusBarNameStr);
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/**
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Destructor.
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*/
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virtual ~wxStatusBar();
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/**
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Creates the window, for two-step construction.
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See wxStatusBar() for details.
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*/
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bool Create(wxWindow* parent, wxWindowID id = wxID_ANY,
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long style = wxSTB_DEFAULT_STYLE,
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const wxString& name = wxStatusBarNameStr);
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/**
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Returns the size and position of a field's internal bounding rectangle.
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@param i
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The field in question.
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@param rect
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The rectangle values are placed in this variable.
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@return @true if the field index is valid, @false otherwise.
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@beginWxPerlOnly
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In wxPerl this function returns a @c Wx::Rect if the field
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index is valid, @c undef otherwise.
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@endWxPerlOnly
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@see wxRect
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*/
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virtual bool GetFieldRect(int i, wxRect& rect) const;
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/**
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Returns the number of fields in the status bar.
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*/
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int GetFieldsCount() const;
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/**
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Returns the wxStatusBarPane representing the @a n-th field.
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*/
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const wxStatusBarPane& GetField(int n) const;
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/**
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Returns the horizontal and vertical borders used when rendering the field
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text inside the field area.
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Note that the rect returned by GetFieldRect() already accounts for the
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presence of horizontal and vertical border returned by this function.
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*/
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wxSize GetBorders() const;
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/**
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Returns the string associated with a status bar field.
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@param i
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The number of the status field to retrieve, starting from zero.
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@return The status field string if the field is valid, otherwise the
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empty string.
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@see SetStatusText()
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*/
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virtual wxString GetStatusText(int i = 0) const;
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/**
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Returns the width of the @a n-th field.
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See wxStatusBarPane::GetWidth() for more info.
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*/
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int GetStatusWidth(int n) const;
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/**
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Returns the style of the @a n-th field.
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See wxStatusBarPane::GetStyle() for more info.
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*/
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int GetStatusStyle(int n) const;
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/**
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Restores the text to the value it had before the last call to
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PushStatusText().
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Notice that if SetStatusText() had been called in the meanwhile,
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PopStatusText() will not change the text, i.e. it does not override
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explicit changes to status text but only restores the saved text if it
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hadn't been changed since.
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@see PushStatusText()
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*/
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void PopStatusText(int field = 0);
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/**
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Saves the current field text in a per-field stack, and sets the field
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text to the string passed as argument.
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@see PopStatusText()
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*/
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void PushStatusText(const wxString& string, int field = 0);
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/**
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Sets the number of fields, and optionally the field widths.
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@param number
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The number of fields. If this is greater than the previous number,
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then new fields with empty strings will be added to the status bar.
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@param widths
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An array of n integers interpreted in the same way as
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in SetStatusWidths().
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@beginWxPerlOnly
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In wxPerl this function accepts only the @a number parameter.
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Use SetStatusWidths to set the field widths.
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@endWxPerlOnly
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*/
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virtual void SetFieldsCount(int number = 1, const int* widths = NULL);
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/**
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Sets the minimal possible height for the status bar.
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The real height may be bigger than the height specified here depending
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on the size of the font used by the status bar.
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*/
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virtual void SetMinHeight(int height);
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/**
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Sets the styles of the fields in the status line which can make fields appear
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flat or raised instead of the standard sunken 3D border.
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@param n
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The number of fields in the status bar. Must be equal to the
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number passed to SetFieldsCount() the last time it was called.
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@param styles
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Contains an array of @a n integers with the styles for each field.
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There are four possible styles:
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- @c wxSB_NORMAL (default): The field appears with the default native border.
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- @c wxSB_FLAT: No border is painted around the field so that it appears flat.
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- @c wxSB_RAISED: A raised 3D border is painted around the field.
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- @c wxSB_SUNKEN: A sunken 3D border is painted around the field
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(this style is new since wxWidgets 2.9.5).
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*/
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virtual void SetStatusStyles(int n, const int* styles);
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/**
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Sets the status text for the @a i-th field.
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The given text will replace the current text.
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Note that if PushStatusText() had been called before the new text will
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also replace the last saved value to make sure that the next call to
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PopStatusText() doesn't restore the old value, which was overwritten by
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the call to this function.
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@param text
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The text to be set. Use an empty string ("") to clear the field.
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@param i
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The field to set, starting from zero.
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@see GetStatusText(), wxFrame::SetStatusText
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*/
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virtual void SetStatusText(const wxString& text, int i = 0);
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/**
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Sets the widths of the fields in the status line. There are two types of
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fields: @b fixed widths and @b variable width fields. For the fixed width fields
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you should specify their (constant) width in pixels. For the variable width
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fields, specify a negative number which indicates how the field should expand:
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the space left for all variable width fields is divided between them according
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to the absolute value of this number. A variable width field with width of -2
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gets twice as much of it as a field with width -1 and so on.
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For example, to create one fixed width field of width 100 in the right part of
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the status bar and two more fields which get 66% and 33% of the remaining
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space correspondingly, you should use an array containing -2, -1 and 100.
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@param n
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The number of fields in the status bar. Must be equal to the
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number passed to SetFieldsCount() the last time it was called.
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@param widths_field
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Contains an array of n integers, each of which is either an
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absolute status field width in pixels if positive or indicates a
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variable width field if negative.
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The special value @NULL means that all fields should get the same width.
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@remarks The widths of the variable fields are calculated from the total
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width of all fields, minus the sum of widths of the
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non-variable fields, divided by the number of variable fields.
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@beginWxPerlOnly
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In wxPerl this method takes as parameters the field widths.
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@endWxPerlOnly
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@see SetFieldsCount(), wxFrame::SetStatusWidths()
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*/
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virtual void SetStatusWidths(int n, const int* widths_field);
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};
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