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1// TextUtils.hh for FbTk - text utils
2// Copyright (c) 2002 - 2003 Henrik Kinnunen (fluxgen at fluxbox dot org)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22#ifndef FBTK_TEXTUTILS_HH
23#define FBTK_TEXTUTILS_HH
24
25#include "Orientation.hh"
26
27namespace FbTk {
28
29class Font;
30
31/**
32 Aligns the text after max width and bevel
33 */
34int doAlignment(int max_width, int bevel, FbTk::Justify justify,
35 const FbTk::Font &font, const char * const text,
36 unsigned int textlen, unsigned int &newlen);
37
38/**
39 There are 3 interesting translations:
40 1) Coords = simple rotation of coordinates
41 2) Position = adjusting (x,y) coordinates to use to position a box with X coords
42 3) Size = swapping of width and height if necessary
43 */
44
45
46// translate coordinates from ROT0 into different orientations
47// coords are relative to rot0 0,0 position
48// Need width and height of the area being rotated (in ROT0 coords)
49
50inline void translateCoords(Orientation orient, int &x, int &y, unsigned int w, unsigned int h) {
51
52 int orig_x = x;
53 int orig_y = y;
54
55 switch(orient) {
56 case ROT0:
57 break;
58 case ROT90:
59 x = h - orig_y;
60 y = orig_x;
61 break;
62 case ROT180:
63 x = w - orig_x;
64 y = h - orig_y;
65 break;
66 case ROT270:
67 x = orig_y;
68 y = w - orig_x;
69 break;
70 }
71
72}
73
74// still require w and h in ROT0 coords
75inline void untranslateCoords(Orientation orient, int orig_x, int orig_y, unsigned int w, unsigned int h) {
76
77 int x = orig_x;
78 int y = orig_y;
79
80 switch(orient) {
81 case ROT0:
82 break;
83 case ROT90:
84 orig_y = h - x;
85 orig_x = y;
86 break;
87 case ROT180:
88 orig_x = w - x;
89 orig_y = h - y;
90 break;
91 case ROT270:
92 orig_y = x;
93 orig_x = w - y;
94 break;
95 }
96
97}
98
99// When positioning an X11 box inside another area, we need to
100// relocate the x,y coordinates
101inline void translatePosition(Orientation orient, int x, int y, unsigned int w, unsigned int h, unsigned int bw) {
102
103 switch(orient) {
104 case ROT0:
105 break;
106 case ROT90:
107 x -= h + 2*bw;
108 break;
109 case ROT180:
110 x -= w + 2*bw;
111 y -= h + 2*bw;
112 break;
113 case ROT270:
114 y -= w + 2*bw;
115 break;
116 }
117
118}
119
120inline void translateSize(Orientation orient, unsigned int w, unsigned int h) {
121 if (orient == ROT0 || orient == ROT180)
122 return;
123
124 unsigned int tmp;
125 tmp = w;
126 w = h;
127 h = tmp;
128
129}
130
131} // end namespace FbTk
132
133#endif // FBTK_TEXTUTILS_HH