1 /*
2  * Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
3  *           (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
4  *
5  * This file is part of lsp-plugins
6  * Created on: 21 июн. 2017 г.
7  *
8  * lsp-plugins is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU Lesser General Public License as published by
10  * the Free Software Foundation, either version 3 of the License, or
11  * any later version.
12  *
13  * lsp-plugins is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License
19  * along with lsp-plugins. If not, see <https://www.gnu.org/licenses/>.
20  */
21 
22 #ifndef UI_TK_LSPBUTTON_H_
23 #define UI_TK_LSPBUTTON_H_
24 
25 namespace lsp
26 {
27     namespace tk
28     {
29         class LSPButton: public LSPWidget
30         {
31             public:
32                 static const w_class_t    metadata;
33 
34             protected:
35                 enum state_t
36                 {
37                     S_PRESSED   = (1 << 0),
38                     S_TOGGLED   = (1 << 1),
39                     S_OUT       = (1 << 2),
40                     S_LED       = (1 << 3),
41                     S_TRIGGER   = (1 << 4),
42                     S_TOGGLE    = (1 << 5),
43                     S_DOWN      = (1 << 6),
44                     S_EDITABLE  = (1 << 7),
45                 };
46 
47             protected:
48                 LSPColor            sColor;
49                 LSPFont             sFont;
50                 LSPLocalString      sTitle;
51 
52                 size_t              nWidth;
53                 size_t              nHeight;
54                 size_t              nMinWidth;
55                 size_t              nMinHeight;
56                 size_t              nState;
57                 size_t              nBMask;
58                 size_t              nChanges;
59 
60             public:
61                 explicit LSPButton(LSPDisplay *dpy);
62                 virtual ~LSPButton();
63 
64                 virtual status_t init();
65 
66             protected:
67                 bool            check_mouse_over(ssize_t x, ssize_t y);
68 
69                 static status_t slot_on_change(LSPWidget *sender, void *ptr, void *data);
70                 static status_t slot_on_submit(LSPWidget *sender, void *ptr, void *data);
71 
72             public:
is_trigger()73                 inline bool         is_trigger() const      { return nState & S_TRIGGER; }
is_toggle()74                 inline bool         is_toggle() const       { return nState & S_TOGGLE; }
is_normal()75                 inline bool         is_normal() const       { return !(nState & (S_TOGGLE | S_TRIGGER)); }
is_down()76                 inline bool         is_down() const         { return nState & S_DOWN; }
is_led()77                 inline bool         is_led() const          { return nState & S_LED; }
is_editable()78                 inline bool         is_editable() const     { return nState & S_EDITABLE; }
color()79                 inline LSPColor    *color()                 { return &sColor; }
bg_color()80                 inline LSPColor    *bg_color()              { return &sBgColor; }
font()81                 inline LSPFont     *font()                  { return &sFont; }
82 
min_width()83                 inline size_t       min_width() const       { return nMinWidth; }
min_height()84                 inline size_t       min_height() const      { return nMinHeight; }
85 
title()86                 inline LSPLocalString *title()              { return &sTitle; }
title()87                 inline const LSPLocalString *title() const  { return &sTitle; }
88 
89             public:
90                 void            set_trigger();
91                 void            set_toggle();
92                 void            set_normal();
93                 void            set_editable(bool value = true);
94                 void            set_down(bool value = true);
95                 void            set_led(bool value = true);
96                 void            set_min_width(size_t value);
97                 void            set_min_height(size_t value);
98                 void            set_min_size(size_t width, size_t height);
99 
100             public:
101                 virtual void draw(ISurface *s);
102 
103                 virtual void size_request(size_request_t *r);
104 
105                 virtual void realize(const realize_t *r);
106 
107                 virtual status_t on_mouse_down(const ws_event_t *e);
108 
109                 virtual status_t on_mouse_up(const ws_event_t *e);
110 
111                 virtual status_t on_mouse_move(const ws_event_t *e);
112 
113                 virtual status_t on_change();
114 
115                 virtual status_t on_submit();
116         };
117 
118     } /* namespace tk */
119 } /* namespace lsp */
120 
121 #endif /* UI_TK_LSPBUTTON_H_ */
122