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139f06bc | 1 | #include <slang.h> |
6fb96a3f | 2 | #include <stdlib.h> |
05130221 | 3 | #include <string.h> |
6fb96a3f | 4 | |
5 | #include "newt.h" | |
6 | #include "newt_pr.h" | |
7 | ||
8 | struct button { | |
9 | char * text; | |
c3b1b1a7 | 10 | int compact; |
6fb96a3f | 11 | }; |
12 | ||
13 | static void buttonDrawIt(newtComponent co, int active, int pushed); | |
14 | static void buttonDrawText(newtComponent co, int active, int pushed); | |
15 | ||
16 | static void buttonDraw(newtComponent c); | |
17 | static void buttonDestroy(newtComponent co); | |
45c366b1 | 18 | static struct eventResult buttonEvent(newtComponent c, |
6f481af2 | 19 | struct event ev); |
8f52cd47 | 20 | static void buttonPlace(newtComponent co, int newLeft, int newTop); |
6fb96a3f | 21 | |
22 | static struct componentOps buttonOps = { | |
23 | buttonDraw, | |
24 | buttonEvent, | |
25 | buttonDestroy, | |
e6922740 | 26 | buttonPlace, |
8f52cd47 | 27 | newtDefaultMappedHandler, |
6fb96a3f | 28 | } ; |
29 | ||
b3ddfdd7 | 30 | /* |
31 | * return NULL on malloc error. | |
32 | * FIXME: all createButton calls should check for error | |
33 | */ | |
d4109c37 | 34 | static newtComponent createButton(int left, int row, const char * text, int compact) { |
6fb96a3f | 35 | newtComponent co; |
36 | struct button * bu; | |
349586bb | 37 | int width = wstrlen(text,-1); |
6fb96a3f | 38 | |
39 | co = malloc(sizeof(*co)); | |
b3ddfdd7 | 40 | if (co == NULL) |
6f481af2 | 41 | return NULL; |
6fb96a3f | 42 | bu = malloc(sizeof(struct button)); |
b3ddfdd7 | 43 | if (bu == NULL) { |
6f481af2 | 44 | free (co); |
45 | return NULL; | |
b3ddfdd7 | 46 | } |
6fb96a3f | 47 | co->data = bu; |
48 | ||
49 | bu->text = strdup(text); | |
c3b1b1a7 | 50 | bu->compact = compact; |
6fb96a3f | 51 | co->ops = &buttonOps; |
52 | ||
c3b1b1a7 | 53 | if (bu->compact) { |
6f481af2 | 54 | co->height = 1; |
55 | co->width = width + 3; | |
c3b1b1a7 | 56 | } else { |
6f481af2 | 57 | co->height = 4; |
58 | co->width = width + 5; | |
c3b1b1a7 | 59 | } |
60 | ||
6fb96a3f | 61 | co->top = row; |
62 | co->left = left; | |
63 | co->takesFocus = 1; | |
993036dd | 64 | co->isMapped = 0; |
6fb96a3f | 65 | |
66 | newtGotorc(co->top, co->left); | |
6fb96a3f | 67 | |
68 | return co; | |
b3ddfdd7 | 69 | |
6fb96a3f | 70 | } |
71 | ||
d4109c37 | 72 | newtComponent newtCompactButton(int left, int row, const char * text) { |
c3b1b1a7 | 73 | return createButton(left, row, text, 1); |
74 | } | |
75 | ||
d4109c37 | 76 | newtComponent newtButton(int left, int row, const char * text) { |
c3b1b1a7 | 77 | return createButton(left, row, text, 0); |
78 | } | |
79 | ||
6fb96a3f | 80 | static void buttonDestroy(newtComponent co) { |
81 | struct button * bu = co->data; | |
82 | ||
83 | free(bu->text); | |
84 | free(bu); | |
85 | free(co); | |
86 | } | |
87 | ||
8f52cd47 | 88 | static void buttonPlace(newtComponent co, int newLeft, int newTop) { |
8f52cd47 | 89 | co->top = newTop; |
90 | co->left = newLeft; | |
91 | ||
e6922740 | 92 | newtGotorc(co->top, co->left); |
e6922740 | 93 | } |
94 | ||
6fb96a3f | 95 | static void buttonDraw(newtComponent co) { |
96 | buttonDrawIt(co, 0, 0); | |
97 | } | |
98 | ||
99 | static void buttonDrawIt(newtComponent co, int active, int pushed) { | |
100 | struct button * bu = co->data; | |
101 | ||
993036dd | 102 | if (!co->isMapped) return; |
103 | ||
c3b1b1a7 | 104 | SLsmg_set_color(NEWT_COLORSET_BUTTON); |
105 | ||
106 | if (bu->compact) { | |
feef2cb5 | 107 | if (!active) |
6f481af2 | 108 | SLsmg_set_color(NEWT_COLORSET_COMPACTBUTTON); |
109 | else | |
110 | SLsmg_set_color(NEWT_COLORSET_BUTTON); | |
111 | newtGotorc(co->top+ pushed, co->left + 1 + pushed); | |
112 | SLsmg_write_char('<'); | |
10de8f4a | 113 | SLsmg_write_string(bu->text); |
6f481af2 | 114 | SLsmg_write_char('>'); |
6fb96a3f | 115 | } else { |
6f481af2 | 116 | if (pushed) { |
117 | SLsmg_set_color(NEWT_COLORSET_BUTTON); | |
118 | newtDrawBox(co->left + 1, co->top + 1, co->width - 1, 3, 0); | |
119 | ||
120 | SLsmg_set_color(NEWT_COLORSET_WINDOW); | |
121 | newtClearBox(co->left, co->top, co->width, 1); | |
122 | newtClearBox(co->left, co->top, 1, co->height); | |
123 | } else { | |
124 | newtDrawBox(co->left, co->top, co->width - 1, 3, 1); | |
125 | } | |
126 | ||
127 | buttonDrawText(co, active, pushed); | |
c3b1b1a7 | 128 | } |
6fb96a3f | 129 | } |
130 | ||
131 | static void buttonDrawText(newtComponent co, int active, int pushed) { | |
132 | struct button * bu = co->data; | |
133 | ||
134 | if (pushed) pushed = 1; | |
135 | ||
136 | if (active) | |
6f481af2 | 137 | SLsmg_set_color(NEWT_COLORSET_ACTBUTTON); |
6fb96a3f | 138 | else |
6f481af2 | 139 | SLsmg_set_color(NEWT_COLORSET_BUTTON); |
6fb96a3f | 140 | |
141 | newtGotorc(co->top + 1 + pushed, co->left + 1 + pushed); | |
142 | SLsmg_write_char(' '); | |
10de8f4a | 143 | SLsmg_write_string(bu->text); |
6fb96a3f | 144 | SLsmg_write_char(' '); |
145 | } | |
146 | ||
45c366b1 | 147 | static struct eventResult buttonEvent(newtComponent co, |
6f481af2 | 148 | struct event ev) { |
6fb96a3f | 149 | struct eventResult er; |
c3b1b1a7 | 150 | struct button * bu = co->data; |
6fb96a3f | 151 | |
c00a8d1b | 152 | er.result = ER_IGNORED; |
153 | ||
c1a075d9 | 154 | if (ev.when == EV_NORMAL) { |
6f481af2 | 155 | switch (ev.event) { |
156 | case EV_FOCUS: | |
157 | buttonDrawIt(co, 1, 0); | |
158 | er.result = ER_SWALLOWED; | |
159 | break; | |
160 | ||
161 | case EV_UNFOCUS: | |
162 | buttonDrawIt(co, 0, 0); | |
163 | er.result = ER_SWALLOWED; | |
164 | break; | |
165 | ||
166 | case EV_KEYPRESS: | |
167 | if (ev.u.key == ' ' || ev.u.key == '\r') { | |
168 | if (!bu->compact) { | |
169 | /* look pushed */ | |
170 | buttonDrawIt(co, 1, 1); | |
171 | newtRefresh(); | |
172 | newtDelay(150000); | |
173 | buttonDrawIt(co, 1, 0); | |
174 | newtRefresh(); | |
175 | newtDelay(150000); | |
176 | } | |
177 | ||
178 | er.result = ER_EXITFORM; | |
179 | } else | |
180 | er.result = ER_IGNORED; | |
181 | break; | |
182 | case EV_MOUSE: | |
183 | if (ev.u.mouse.type == MOUSE_BUTTON_DOWN && | |
184 | co->top <= ev.u.mouse.y && | |
185 | co->top + co->height - !bu->compact > ev.u.mouse.y && | |
186 | co->left <= ev.u.mouse.x && | |
187 | co->left + co->width - !bu->compact > ev.u.mouse.x) { | |
188 | if (!bu->compact) { | |
189 | buttonDrawIt(co, 1, 1); | |
190 | newtRefresh(); | |
191 | newtDelay(150000); | |
192 | buttonDrawIt(co, 1, 0); | |
193 | newtRefresh(); | |
194 | newtDelay(150000); | |
195 | } | |
196 | er.result = ER_EXITFORM; | |
197 | } | |
198 | break; | |
199 | } | |
c00a8d1b | 200 | } |
c1a075d9 | 201 | |
202 | return er; | |
6fb96a3f | 203 | } |