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Diffstat (limited to 'c++/cursesapp.h')
| -rw-r--r-- | c++/cursesapp.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/c++/cursesapp.h b/c++/cursesapp.h new file mode 100644 index 000000000000..7e995d2e39c6 --- /dev/null +++ b/c++/cursesapp.h @@ -0,0 +1,176 @@ +// * This makes emacs happy -*-Mode: C++;-*- +/**************************************************************************** + * Copyright (c) 1998-2003,2005 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Juergen Pfeifer, 1997 * + ****************************************************************************/ + +// $Id: cursesapp.h,v 1.11 2005/05/28 21:57:44 tom Exp $ + +#ifndef NCURSES_CURSESAPP_H_incl +#define NCURSES_CURSESAPP_H_incl + +#include <cursslk.h> + +class NCURSES_IMPEXP NCursesApplication { +public: + typedef struct _slk_link { // This structure is used to maintain + struct _slk_link* prev; // a stack of SLKs + Soft_Label_Key_Set* SLKs; + } SLK_Link; +private: + static int rinit(NCursesWindow& w); // Internal Init function for title + static NCursesApplication* theApp; // Global ref. to the application + + static SLK_Link* slk_stack; + +protected: + static NCursesWindow* titleWindow; // The Title Window (if any) + + bool b_Colors; // Is this a color application? + NCursesWindow* Root_Window; // This is the stdscr equiv. + + // Initialization of attributes; + // Rewrite this in your derived class if you prefer other settings + virtual void init(bool bColors); + + // The number of lines for the title window. Default is no title window + // You may rewrite this in your derived class + virtual int titlesize() const { + return 0; + } + + // This method is called to put something into the title window initially + // You may rewrite this in your derived class + virtual void title() { + } + + // The layout used for the Soft Label Keys. Default is to have no SLKs. + // You may rewrite this in your derived class + virtual Soft_Label_Key_Set::Label_Layout useSLKs() const { + return Soft_Label_Key_Set::None; + } + + // This method is called to initialize the SLKs. Default is nothing. + // You may rewrite this in your derived class + virtual void init_labels(Soft_Label_Key_Set& S) const { + } + + // Your derived class must implement this method. The return value must + // be the exit value of your application. + virtual int run() = 0; + + // The constructor is protected, so you may use it in your derived + // class constructor. The argument tells whether or not you want colors. + NCursesApplication(bool wantColors = FALSE); + + NCursesApplication& operator=(const NCursesApplication& rhs) + { + if (this != &rhs) { + *this = rhs; + } + return *this; + } + + NCursesApplication(const NCursesApplication& rhs) + : b_Colors(rhs.b_Colors), + Root_Window(rhs.Root_Window) + { + } + +public: + virtual ~NCursesApplication(); + + // Get a pointer to the current application object + static NCursesApplication* getApplication() { + return theApp; + } + + // This method runs the application and returns its exit value + int operator()(void); + + // Process the commandline arguments. The default implementation simply + // ignores them. Your derived class may rewrite this. + virtual void handleArgs(int argc, char* argv[]) { + } + + // Does this application use colors? + inline bool useColors() const { + return b_Colors; + } + + // Push the Key Set S onto the SLK Stack. S then becomes the current set + // of Soft Labelled Keys. + void push(Soft_Label_Key_Set& S); + + // Throw away the current set of SLKs and make the previous one the + // new current set. + bool pop(); + + // Retrieve the current set of Soft Labelled Keys. + Soft_Label_Key_Set* top() const; + + // Attributes to use for menu and forms foregrounds + virtual chtype foregrounds() const { + return b_Colors ? COLOR_PAIR(1) : A_BOLD; + } + + // Attributes to use for menu and forms backgrounds + virtual chtype backgrounds() const { + return b_Colors ? COLOR_PAIR(2) : A_NORMAL; + } + + // Attributes to use for inactive (menu) elements + virtual chtype inactives() const { + return b_Colors ? (COLOR_PAIR(3)|A_DIM) : A_DIM; + } + + // Attributes to use for (form) labels and SLKs + virtual chtype labels() const { + return b_Colors ? COLOR_PAIR(4) : A_NORMAL; + } + + // Attributes to use for form backgrounds + virtual chtype dialog_backgrounds() const { + return b_Colors ? COLOR_PAIR(4) : A_NORMAL; + } + + // Attributes to use as default for (form) window backgrounds + virtual chtype window_backgrounds() const { + return b_Colors ? COLOR_PAIR(5) : A_NORMAL; + } + + // Attributes to use for the title window + virtual chtype screen_titles() const { + return b_Colors ? COLOR_PAIR(6) : A_BOLD; + } + +}; + +#endif /* NCURSES_CURSESAPP_H_incl */ |