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Source at commit 00d3c3b57008bddf8770c51271db9d766acaf854 created 8 years 11 months ago. By Maarten ter Huurne, Gave Layer class a protected constructor | |
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1 | /*************************************************************************** |
2 | * Copyright (C) 2006 by Massimiliano Torromeo * |
3 | * massimiliano.torromeo@gmail.com * |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * |
6 | * it under the terms of the GNU General Public License as published by * |
7 | * the Free Software Foundation; either version 2 of the License, or * |
8 | * (at your option) any later version. * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
19 | ***************************************************************************/ |
20 | |
21 | #include "textdialog.h" |
22 | |
23 | #include "gmenu2x.h" |
24 | #include "utilities.h" |
25 | |
26 | #include <algorithm> |
27 | |
28 | using namespace std; |
29 | |
30 | TextDialog::TextDialog(GMenu2X& gmenu2x, const string &title, const string &description, const string &icon, const string &text) |
31 | : Dialog(gmenu2x) |
32 | { |
33 | split(this->text, gmenu2x.font->wordWrap(text, (int) gmenu2x.resX - 15), "\n"); |
34 | this->title = title; |
35 | this->description = description; |
36 | this->icon = icon; |
37 | } |
38 | |
39 | void TextDialog::drawText(const vector<string> &text, unsigned int y, |
40 | unsigned int firstRow, unsigned int rowsPerPage) |
41 | { |
42 | Surface& s = *gmenu2x.s; |
43 | const int fontHeight = gmenu2x.font->getLineSpacing(); |
44 | |
45 | for (unsigned i = firstRow; i < firstRow + rowsPerPage && i < text.size(); i++) { |
46 | const string &line = text.at(i); |
47 | int rowY = y + (i - firstRow) * fontHeight; |
48 | if (line == "----") { // horizontal ruler |
49 | rowY += fontHeight / 2; |
50 | s.box(5, rowY, gmenu2x.resX - 16, 1, 255, 255, 255, 130); |
51 | s.box(5, rowY+1, gmenu2x.resX - 16, 1, 0, 0, 0, 130); |
52 | } else { |
53 | gmenu2x.font->write(s, line, 5, rowY); |
54 | } |
55 | } |
56 | |
57 | gmenu2x.drawScrollBar(rowsPerPage, text.size(), firstRow); |
58 | } |
59 | |
60 | void TextDialog::exec() { |
61 | bool close = false; |
62 | |
63 | OffscreenSurface bg(*gmenu2x.bg); |
64 | |
65 | //link icon |
66 | if (!fileExists(icon)) |
67 | drawTitleIcon(bg, "icons/ebook.png", true); |
68 | else |
69 | drawTitleIcon(bg, icon, false); |
70 | writeTitle(bg, title); |
71 | writeSubTitle(bg, description); |
72 | |
73 | int x = 5; |
74 | x = gmenu2x.drawButton(bg, "up", "", x); |
75 | x = gmenu2x.drawButton(bg, "down", gmenu2x.tr["Scroll"], x); |
76 | x = gmenu2x.drawButton(bg, "cancel", "", x); |
77 | x = gmenu2x.drawButton(bg, "start", gmenu2x.tr["Exit"], x); |
78 | (void)x; |
79 | |
80 | bg.convertToDisplayFormat(); |
81 | |
82 | const int fontHeight = gmenu2x.font->getLineSpacing(); |
83 | unsigned int contentY, contentHeight; |
84 | tie(contentY, contentHeight) = gmenu2x.getContentArea(); |
85 | const unsigned rowsPerPage = max(contentHeight / fontHeight, 1u); |
86 | const unsigned maxFirstRow = |
87 | text.size() < rowsPerPage ? 0 : text.size() - rowsPerPage; |
88 | contentY += (contentHeight % fontHeight) / 2; |
89 | |
90 | unsigned firstRow = 0; |
91 | while (!close) { |
92 | OutputSurface& s = *gmenu2x.s; |
93 | |
94 | bg.blit(s, 0, 0); |
95 | drawText(text, contentY, firstRow, rowsPerPage); |
96 | s.flip(); |
97 | |
98 | switch(gmenu2x.input.waitForPressedButton()) { |
99 | case InputManager::UP: |
100 | if (firstRow > 0) firstRow--; |
101 | break; |
102 | case InputManager::DOWN: |
103 | if (firstRow < maxFirstRow) firstRow++; |
104 | break; |
105 | case InputManager::ALTLEFT: |
106 | if (firstRow >= rowsPerPage - 1) firstRow -= rowsPerPage - 1; |
107 | else firstRow = 0; |
108 | break; |
109 | case InputManager::ALTRIGHT: |
110 | firstRow = min(firstRow + rowsPerPage - 1, maxFirstRow); |
111 | break; |
112 | case InputManager::SETTINGS: |
113 | case InputManager::CANCEL: |
114 | close = true; |
115 | break; |
116 | default: |
117 | break; |
118 | } |
119 | } |
120 | } |
121 |
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