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author | Paul Gilbert | 2019-01-01 18:31:07 -0800 |
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committer | Paul Gilbert | 2019-01-01 18:31:07 -0800 |
commit | c43f625fd814e2f3baf61d76441121bbe3554f91 (patch) | |
tree | 1861cdb7a246f21144c463bf0435fdeef0dc0ac3 /engines/glk/frotz/windows.h | |
parent | 4568e498cabd2c8523a5c0717e57c71d334f26e7 (diff) | |
download | scummvm-rg350-c43f625fd814e2f3baf61d76441121bbe3554f91.tar.gz scummvm-rg350-c43f625fd814e2f3baf61d76441121bbe3554f91.tar.bz2 scummvm-rg350-c43f625fd814e2f3baf61d76441121bbe3554f91.zip |
GLK: FROTZ: Added skeleton classes for ZMachine windows
Diffstat (limited to 'engines/glk/frotz/windows.h')
-rw-r--r-- | engines/glk/frotz/windows.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/engines/glk/frotz/windows.h b/engines/glk/frotz/windows.h new file mode 100644 index 0000000000..566d2fd5c8 --- /dev/null +++ b/engines/glk/frotz/windows.h @@ -0,0 +1,97 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef GLK_FROTZ_WINDOWS +#define GLK_FROTZ_WINDOWS + +namespace Glk { +namespace Frotz { + +/** + * Represents one of the virtual windows + */ +class Window { +private: + winid_t _win; +public: + /** + * Constructor + */ + Window() : _win(nullptr) {} + + /** + * Assignment operator + */ + Window &operator=(winid_t win) { + _win = win; + return *this; + } + + /** + * Cast operator for getting a Glk window + */ + operator winid_t() const { return _win; } + + /** + * Cast operator for testing if the window is valid (present) + */ + operator bool() const { return _win != nullptr; } + + /** + * Property access. There are the following properties defined by the spec: + * 0 y coordinate 6 left margin size 12 font number + * 1 x coordinate 7 right margin size 13 font size + * 2 y size 8 newline interrupt routine 14 attributes + * 3 x size 9 interrupt countdown 15 line count + * 4 y cursor 10 text style 16 true foreground colour + * 5 x cursor 11 colour data 17 true background colour + */ +}; + +/** + * The Z-machine has 8 virtual windows + */ +class Windows { +private: + Window _windows[8]; +public: + Window &_lower; + Window &_upper; +public: + /** + * Constructor + */ + Windows() : _lower(_windows[0]), _upper(_windows[1]) {} + + /** + * Array access + */ + Window &operator[](uint idx) { + assert(idx < 8); + return _windows[idx]; + } +}; + +} // End of namespace Frotz +} // End of namespace Glk + +#endif |