Constantin Kaplinsky | b30ae7f | 2006-05-25 05:04:46 +0000 | [diff] [blame] | 1 | /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved. |
| 2 | * |
| 3 | * This is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This software is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this software; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 16 | * USA. |
| 17 | */ |
| 18 | // |
| 19 | // TXMenu.h |
| 20 | // |
| 21 | // A TXMenu consists of multiple entries which can be added one at a time. |
| 22 | // Each entry consists of some text, and has an associated integer identifier. |
| 23 | // A callback is made when a menu entry is selected. |
| 24 | // |
| 25 | |
| 26 | #ifndef __TXMENU_H__ |
| 27 | #define __TXMENU_H__ |
| 28 | |
| 29 | #include "TXWindow.h" |
| 30 | |
| 31 | // TXMenuCallback's menuSelect() method is called when a particular menu entry |
| 32 | // is selected. The id argument identifies the menu entry. |
| 33 | class TXMenu; |
| 34 | class TXMenuCallback { |
| 35 | public: |
| 36 | virtual void menuSelect(long id, TXMenu* menu)=0; |
| 37 | }; |
| 38 | |
| 39 | class TXMenu : public TXWindow, public TXEventHandler { |
| 40 | public: |
| 41 | TXMenu(Display* dpy_, TXMenuCallback* cb=0, int width=1, int height=1, |
| 42 | TXWindow* parent_=0); |
| 43 | virtual ~TXMenu(); |
| 44 | |
| 45 | // addEntry() adds an entry to the end of the menu with the given text and |
| 46 | // identifier. |
| 47 | void addEntry(const char* text, long id); |
| 48 | |
| 49 | // check() sets whether the given menu entry should have a tick next to it. |
| 50 | void check(long id, bool checked); |
| 51 | |
| 52 | private: |
| 53 | int entryHeight(int i); |
| 54 | virtual void handleEvent(TXWindow* w, XEvent* ev); |
| 55 | void paint(); |
| 56 | |
| 57 | GC gc; |
| 58 | TXMenuCallback* cb; |
| 59 | enum { maxEntries = 64 }; |
| 60 | char* text[maxEntries]; |
| 61 | long id[maxEntries]; |
| 62 | bool checked[maxEntries]; |
| 63 | int nEntries; |
| 64 | int highlight; |
| 65 | }; |
| 66 | |
| 67 | #endif |