aboutsummaryrefslogtreecommitdiff
path: root/src/FbTk/GContext.hh
blob: e100bb64b1eaff941344d02c78903f3d9cffdfca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
// GContext.hh for FbTk - fluxbox toolkit
// Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

#ifndef FBTK_GCONTEXT_HH
#define FBTK_GCONTEXT_HH

#include "Color.hh"
#include "FbPixmap.hh"

namespace FbTk {

class FbDrawable;
class Font;

/// wrapper for X GC
class GContext {
public:

    typedef enum { JOINMITER= JoinMiter,
                   JOINROUND= JoinRound,
                   JOINBEVEL= JoinBevel
    } JoinStyle;

    typedef enum { LINESOLID= LineSolid,
                   LINEONOFFDASH= LineOnOffDash,
                   LINEDOUBLEDASH= LineDoubleDash
    } LineStyle;

    typedef enum { CAPNOTLAST= CapNotLast,
                   CAPBUTT= CapButt,
                   CAPROUND= CapRound,
                   CAPPROJECTING= CapProjecting
    } CapStyle;

    /// for FbTk drawable
    explicit GContext(const FbTk::FbDrawable &drawable);
    /// for X drawable
    explicit GContext(Drawable drawable);
    GContext(Drawable d, const FbTk::GContext &gc);
    virtual ~GContext();

    void setForeground(const FbTk::Color &color) {
        setForeground(color.pixel());
    }

    void setForeground(long pixel_value) {
        XSetForeground(m_display, m_gc,
                       pixel_value);
    }

    void setBackground(const FbTk::Color &color) {
        setBackground(color.pixel());
    }

    void setBackground(long pixel_value) {
        XSetBackground(m_display, m_gc, pixel_value);
    }

    void setTile(Drawable draw) {
        XSetTile(m_display, m_gc, draw);
    }

    void setTile(const FbTk::FbPixmap &draw) {
        setTile(draw.drawable());
    }

    /// not implemented
    void setFont(const FbTk::Font &) {}

    /// set font id
    void setFont(int fid) {
        XSetFont(m_display, m_gc, fid);
    }

    void setGraphicsExposure(bool value) {
        XSetGraphicsExposures(m_display, m_gc, value);
    }

    void setFunction(int func) {
        XSetFunction(m_display, m_gc, func);
    }

    void setSubwindowMode(int mode) {
        XSetSubwindowMode(m_display, m_gc, mode);
    }
    void setFillStyle(int style) {
        XSetFillStyle(m_display, m_gc, style);
    }

    void setLineAttributes(unsigned int width,
                                  int line_style,
                                  int cap_style,
                                  int join_style) {

        XSetLineAttributes(m_display, m_gc, width, line_style, cap_style, join_style);
    }


    void copy(GC gc);
    void copy(const GContext &gc);

    GContext &operator = (const GContext &copy_gc) { copy(copy_gc); return *this; }
    GContext &operator = (GC copy_gc) { copy(copy_gc); return *this; }
    GC gc() const { return m_gc; }

private:
    GContext(const GContext &cont);

    static Display *m_display; // worth caching
    GC m_gc;
};

} // end namespace FbTk

#endif // FBTK_GCONTEXT_HH