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990080ae7d
... for functions in final classes. override is like const -- it's not necessary, but it helps the compiler to catch mistakes. There may be some overriding functions not explicitly declared virtual and I did not identify such cases, in which I might also add override.
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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PrefsPanel.h
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Joshua Haberman
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*******************************************************************//**
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\class PrefsPanel
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\brief Used within the PrefsDialog, classes derived from this class
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include AudioIOPrefs, BatchPrefs, DirectoriesPrefs, FileFormatPrefs,
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GUIPrefs, KeyConfigPrefs, MousePrefs, QualityPrefs, SpectrumPrefs and
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ThemePrefs.
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The interface works like this: Each panel in the preferences dialog
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must derive from PrefsPanel. You must override Apply() with code
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to validate fields (returning false if any are bad), updating the
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global preferences object gPrefs, and instructing the applicable parts
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of the program to re-read the preference options.
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To actually add a the NEW panel, edit the PrefsDialog constructor
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to append the panel to its list of panels.
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*//*******************************************************************/
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#ifndef __AUDACITY_PREFS_PANEL__
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#define __AUDACITY_PREFS_PANEL__
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#include <wx/panel.h>
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#include <wx/window.h>
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/* A few constants for an attempt at semi-uniformity */
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#define PREFS_FONT_SIZE 8
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/* these are spacing guidelines: ie. radio buttons should have a 5 pixel
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* border on each side */
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#define RADIO_BUTTON_BORDER 5
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#define TOP_LEVEL_BORDER 5
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#define GENERIC_CONTROL_BORDER 5
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class PrefsPanel /* not final */ : public wxPanel
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{
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public:
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PrefsPanel(wxWindow * parent, const wxString &title)
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: wxPanel(parent, wxID_ANY)
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{
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SetLabel(title); // Provide visual label
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SetName(title); // Provide audible label
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}
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virtual ~PrefsPanel();
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// NEW virtuals
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virtual bool Apply() = 0;
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// If it returns True, the Apply button is added below the panel
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// Default returns false
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virtual bool ShowsApplyButton();
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virtual void Cancel();
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};
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class PrefsPanelFactory /* not final */
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{
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public:
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// Precondition: parent != NULL
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virtual PrefsPanel *Create(wxWindow *parent) = 0;
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};
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#endif
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