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Diffstat (limited to 'c++/cursslk.h')
| -rw-r--r-- | c++/cursslk.h | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/c++/cursslk.h b/c++/cursslk.h new file mode 100644 index 0000000000000..091695eef27a9 --- /dev/null +++ b/c++/cursslk.h @@ -0,0 +1,238 @@ +// * this is for making 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: cursslk.h,v 1.13 2005/05/28 21:58:18 tom Exp $ + +#ifndef NCURSES_CURSSLK_H_incl +#define NCURSES_CURSSLK_H_incl + +#include <cursesw.h> + +class NCURSES_IMPEXP Soft_Label_Key_Set { +public: + // This inner class represents the attributes of a Soft Label Key (SLK) + class NCURSES_IMPEXP Soft_Label_Key { + friend class Soft_Label_Key_Set; + public: + typedef enum { Left=0, Center=1, Right=2 } Justification; + + private: + char *label; // The Text of the Label + Justification format; // The Justification + int num; // The number of the Label + + Soft_Label_Key() : label(NULL), format(Left), num(-1) { + } + + virtual ~Soft_Label_Key() { + delete[] label; + }; + + public: + // Set the text of the Label + Soft_Label_Key& operator=(char *text); + + // Set the Justification of the Label + Soft_Label_Key& operator=(Justification just) { + format = just; + return *this; + } + + // Retrieve the text of the label + inline char* operator()(void) const { + return label; + } + + Soft_Label_Key& operator=(const Soft_Label_Key& rhs) + { + if (this != &rhs) { + *this = rhs; + } + return *this; + } + + Soft_Label_Key(const Soft_Label_Key& rhs) + : label(NULL), + format(rhs.format), + num(rhs.num) + { + *this = rhs.label; + } + }; + +public: + typedef enum { + None = -1, + Three_Two_Three = 0, + Four_Four = 1, + PC_Style = 2, + PC_Style_With_Index = 3 + } Label_Layout; + +private: + static long NCURSES_IMPEXP count; // Number of Key Sets + static Label_Layout NCURSES_IMPEXP format; // Layout of the Key Sets + static int NCURSES_IMPEXP num_labels; // Number Of Labels in Key Sets + bool NCURSES_IMPEXP b_attrInit; // Are attributes initialized + + Soft_Label_Key *slk_array; // The array of SLK's + + // Init the Key Set + void init(); + + // Activate or Deactivate Label# i, Label counting starts with 1! + void activate_label(int i, bool bf=TRUE); + + // Activate of Deactivate all Labels + void activate_labels(bool bf); + +protected: + inline void Error (const char* msg) const THROWS(NCursesException) { + THROW(new NCursesException (msg)); + } + + // Remove SLK's from screen + void clear() { + if (ERR==::slk_clear()) + Error("slk_clear"); + } + + // Restore them + void restore() { + if (ERR==::slk_restore()) + Error("slk_restore"); + } + +public: + + // Construct a Key Set, use the most comfortable layout as default. + // You must create a Soft_Label_Key_Set before you create any object of + // the NCursesWindow, NCursesPanel or derived classes. (Actually before + // ::initscr() is called). + Soft_Label_Key_Set(Label_Layout fmt); + + // This constructor assumes, that you already constructed a Key Set + // with a layout by the constructor above. This layout will be reused. + NCURSES_IMPEXP Soft_Label_Key_Set(); + + Soft_Label_Key_Set& operator=(const Soft_Label_Key_Set& rhs) + { + if (this != &rhs) { + *this = rhs; + init(); // allocate a new slk_array[] + } + return *this; + } + + Soft_Label_Key_Set(const Soft_Label_Key_Set& rhs) + : b_attrInit(rhs.b_attrInit), + slk_array(NULL) + { + init(); // allocate a new slk_array[] + } + + virtual ~Soft_Label_Key_Set(); + + // Get Label# i. Label counting starts with 1! + NCURSES_IMPEXP Soft_Label_Key& operator[](int i); + + // Retrieve number of Labels + inline int labels() const { return num_labels; } + + // Refresh the SLK portion of the screen + inline void refresh() { + if (ERR==::slk_refresh()) + Error("slk_refresh"); + } + + // Mark the SLK portion of the screen for refresh, defer actual refresh + // until next update call. + inline void noutrefresh() { + if (ERR==::slk_noutrefresh()) + Error("slk_noutrefresh"); + } + + // Mark the whole SLK portion of the screen as modified + inline void touch() { + if (ERR==::slk_touch()) + Error("slk_touch"); + } + + // Activate Label# i + inline void show(int i) { + activate_label(i,FALSE); + activate_label(i,TRUE); + } + + // Hide Label# i + inline void hide(int i) { + activate_label(i,FALSE); + } + + // Show all Labels + inline void show() { + activate_labels(FALSE); + activate_labels(TRUE); + } + + // Hide all Labels + inline void hide() { + activate_labels(FALSE); + } + + inline void attron(attr_t attrs) { + if (ERR==::slk_attron(attrs)) + Error("slk_attron"); + } + + inline void attroff(attr_t attrs) { + if (ERR==::slk_attroff(attrs)) + Error("slk_attroff"); + } + + inline void attrset(attr_t attrs) { + if (ERR==::slk_attrset(attrs)) + Error("slk_attrset"); + } + + inline void color(short color_pair_number) { + if (ERR==::slk_color(color_pair_number)) + Error("slk_color"); + } + + inline attr_t attr() const { + return ::slk_attr(); + } +}; + +#endif /* NCURSES_CURSSLK_H_incl */ |