| Pierre Ossman | cbd1b2c | 2009-03-20 16:05:04 +0000 | [diff] [blame] | 1 | /* Copyright 2009 Pierre Ossman for Cendio AB |
| 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 | // Management class for the RFB virtual screens |
| 20 | |
| 21 | #ifndef __RFB_SCREENSET_INCLUDED__ |
| 22 | #define __RFB_SCREENSET_INCLUDED__ |
| 23 | |
| 24 | #include <rfb/Rect.h> |
| 25 | #include <list> |
| 26 | #include <set> |
| 27 | |
| 28 | namespace rfb { |
| 29 | |
| 30 | // rfb::Screen |
| 31 | // |
| 32 | // Represents a single RFB virtual screen, which includes |
| 33 | // coordinates, an id and flags. |
| 34 | |
| 35 | struct Screen { |
| 36 | Screen(void) : id(0), flags(0) {}; |
| 37 | Screen(rdr::U32 id_, int x_, int y_, int w_, int h_, rdr::U32 flags_) : |
| 38 | id(id_), dimensions(x_, y_, x_+w_, y_+h_), flags(flags_) {}; |
| 39 | rdr::U32 id; |
| 40 | Rect dimensions; |
| 41 | rdr::U32 flags; |
| 42 | }; |
| 43 | |
| 44 | // rfb::ScreenSet |
| 45 | // |
| 46 | // Represents a complete screen configuration, excluding framebuffer |
| 47 | // dimensions. |
| 48 | |
| 49 | struct ScreenSet { |
| 50 | ScreenSet(void) {}; |
| 51 | inline void add_screen(const Screen screen) { screens.push_back(screen); }; |
| 52 | inline bool validate(int fb_width, int fb_height) const { |
| 53 | std::list<Screen>::const_iterator iter; |
| 54 | std::set<rdr::U32> seen_ids; |
| 55 | Rect fb_rect; |
| 56 | |
| 57 | if (screens.empty()) |
| 58 | return false; |
| 59 | |
| 60 | fb_rect.setXYWH(0, 0, fb_width, fb_height); |
| 61 | |
| 62 | for (iter = screens.begin();iter != screens.end();++iter) { |
| 63 | if (iter->dimensions.is_empty()) |
| 64 | return false; |
| 65 | if (!iter->dimensions.enclosed_by(fb_rect)) |
| 66 | return false; |
| 67 | if (seen_ids.find(iter->id) != seen_ids.end()) |
| 68 | return false; |
| 69 | seen_ids.insert(iter->id); |
| 70 | } |
| 71 | |
| 72 | return true; |
| 73 | }; |
| 74 | std::list<Screen> screens; |
| 75 | }; |
| 76 | |
| 77 | }; |
| 78 | |
| 79 | #endif |
| 80 | |