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1 | /* |
2 | * sercfg.c - the serial-port specific parts of the PuTTY |
3 | * configuration box. Centralised as cross-platform code because |
4 | * more than one platform will want to use it, but not part of the |
5 | * main configuration. The expectation is that each platform's |
6 | * local config function will call out to ser_setup_config_box() if |
7 | * it needs to set up the standard serial stuff. (Of course, it can |
8 | * then apply local tweaks after ser_setup_config_box() returns, if |
9 | * it needs to.) |
10 | */ |
11 | |
12 | #include <assert.h> |
13 | #include <stdlib.h> |
14 | |
15 | #include "putty.h" |
16 | #include "dialog.h" |
17 | #include "storage.h" |
18 | |
19 | static void serial_parity_handler(union control *ctrl, void *dlg, |
20 | void *data, int event) |
21 | { |
22 | static const struct { |
23 | const char *name; |
24 | int val; |
25 | } parities[] = { |
26 | {"None", SER_PAR_NONE}, |
27 | {"Odd", SER_PAR_ODD}, |
28 | {"Even", SER_PAR_EVEN}, |
29 | {"Mark", SER_PAR_MARK}, |
30 | {"Space", SER_PAR_SPACE}, |
31 | }; |
640d7387 |
32 | int mask = ctrl->listbox.context.i; |
33 | int i, j; |
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34 | Config *cfg = (Config *)data; |
35 | |
36 | if (event == EVENT_REFRESH) { |
b37f2d5b |
37 | int oldparity = cfg->serparity;/* preserve past reentrant calls */ |
d3b85d02 |
38 | dlg_update_start(ctrl, dlg); |
39 | dlg_listbox_clear(ctrl, dlg); |
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40 | for (i = 0; i < lenof(parities); i++) { |
41 | if (mask & (1 << i)) |
42 | dlg_listbox_addwithid(ctrl, dlg, parities[i].name, |
43 | parities[i].val); |
44 | } |
45 | for (i = j = 0; i < lenof(parities); i++) { |
b37f2d5b |
46 | if (mask & (1 << i)) { |
47 | if (oldparity == parities[i].val) { |
48 | dlg_listbox_select(ctrl, dlg, j); |
49 | break; |
50 | } |
640d7387 |
51 | j++; |
b37f2d5b |
52 | } |
53 | } |
54 | if (i == lenof(parities)) { /* an unsupported setting was chosen */ |
55 | dlg_listbox_select(ctrl, dlg, 0); |
56 | oldparity = SER_PAR_NONE; |
640d7387 |
57 | } |
d3b85d02 |
58 | dlg_update_done(ctrl, dlg); |
b37f2d5b |
59 | cfg->serparity = oldparity; /* restore */ |
d3b85d02 |
60 | } else if (event == EVENT_SELCHANGE) { |
61 | int i = dlg_listbox_index(ctrl, dlg); |
62 | if (i < 0) |
63 | i = SER_PAR_NONE; |
64 | else |
65 | i = dlg_listbox_getid(ctrl, dlg, i); |
66 | cfg->serparity = i; |
67 | } |
68 | } |
69 | |
70 | static void serial_flow_handler(union control *ctrl, void *dlg, |
71 | void *data, int event) |
72 | { |
73 | static const struct { |
74 | const char *name; |
75 | int val; |
76 | } flows[] = { |
77 | {"None", SER_FLOW_NONE}, |
78 | {"XON/XOFF", SER_FLOW_XONXOFF}, |
79 | {"RTS/CTS", SER_FLOW_RTSCTS}, |
80 | {"DSR/DTR", SER_FLOW_DSRDTR}, |
81 | }; |
640d7387 |
82 | int mask = ctrl->listbox.context.i; |
83 | int i, j; |
d3b85d02 |
84 | Config *cfg = (Config *)data; |
85 | |
86 | if (event == EVENT_REFRESH) { |
b37f2d5b |
87 | int oldflow = cfg->serflow; /* preserve past reentrant calls */ |
d3b85d02 |
88 | dlg_update_start(ctrl, dlg); |
89 | dlg_listbox_clear(ctrl, dlg); |
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90 | for (i = 0; i < lenof(flows); i++) { |
91 | if (mask & (1 << i)) |
92 | dlg_listbox_addwithid(ctrl, dlg, flows[i].name, flows[i].val); |
93 | } |
94 | for (i = j = 0; i < lenof(flows); i++) { |
b37f2d5b |
95 | if (mask & (1 << i)) { |
96 | if (oldflow == flows[i].val) { |
97 | dlg_listbox_select(ctrl, dlg, j); |
98 | break; |
99 | } |
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100 | j++; |
b37f2d5b |
101 | } |
102 | } |
103 | if (i == lenof(flows)) { /* an unsupported setting was chosen */ |
104 | dlg_listbox_select(ctrl, dlg, 0); |
105 | oldflow = SER_FLOW_NONE; |
640d7387 |
106 | } |
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107 | dlg_update_done(ctrl, dlg); |
b37f2d5b |
108 | cfg->serflow = oldflow; /* restore */ |
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109 | } else if (event == EVENT_SELCHANGE) { |
110 | int i = dlg_listbox_index(ctrl, dlg); |
111 | if (i < 0) |
b37f2d5b |
112 | i = SER_FLOW_NONE; |
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113 | else |
114 | i = dlg_listbox_getid(ctrl, dlg, i); |
115 | cfg->serflow = i; |
116 | } |
117 | } |
118 | |
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119 | void ser_setup_config_box(struct controlbox *b, int midsession, |
120 | int parity_mask, int flow_mask) |
d3b85d02 |
121 | { |
122 | struct controlset *s; |
123 | union control *c; |
124 | |
bb2a7ca9 |
125 | if (!midsession) { |
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126 | int i; |
127 | extern void config_protocolbuttons_handler(union control *, void *, |
128 | void *, int); |
bb2a7ca9 |
129 | |
130 | /* |
131 | * Add the serial back end to the protocols list at the |
132 | * top of the config box. |
133 | */ |
134 | s = ctrl_getset(b, "Session", "hostport", |
135 | "Specify the destination you want to connect to"); |
136 | |
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137 | for (i = 0; i < s->ncontrols; i++) { |
138 | c = s->ctrls[i]; |
139 | if (c->generic.type == CTRL_RADIO && |
140 | c->generic.handler == config_protocolbuttons_handler) { |
141 | c->radio.nbuttons++; |
142 | c->radio.ncolumns++; |
143 | c->radio.buttons = |
144 | sresize(c->radio.buttons, c->radio.nbuttons, char *); |
145 | c->radio.buttons[c->radio.nbuttons-1] = |
146 | dupstr("Serial"); |
147 | c->radio.buttondata = |
148 | sresize(c->radio.buttondata, c->radio.nbuttons, intorptr); |
149 | c->radio.buttondata[c->radio.nbuttons-1] = I(PROT_SERIAL); |
150 | if (c->radio.shortcuts) { |
151 | c->radio.shortcuts = |
152 | sresize(c->radio.shortcuts, c->radio.nbuttons, char); |
153 | c->radio.shortcuts[c->radio.nbuttons-1] = NO_SHORTCUT; |
154 | } |
155 | } |
156 | } |
157 | } |
158 | |
159 | /* |
160 | * Entirely new Connection/Serial panel for serial port |
161 | * configuration. |
162 | */ |
163 | ctrl_settitle(b, "Connection/Serial", |
164 | "Options controlling local serial lines"); |
165 | |
166 | if (!midsession) { |
167 | /* |
168 | * We don't permit switching to a different serial port in |
169 | * midflight, although we do allow all other |
170 | * reconfiguration. |
171 | */ |
172 | s = ctrl_getset(b, "Connection/Serial", "serline", |
173 | "Select a serial line"); |
174 | ctrl_editbox(s, "Serial line to connect to", 'l', 40, |
175 | HELPCTX(serial_line), |
176 | dlg_stdeditbox_handler, I(offsetof(Config,serline)), |
177 | I(sizeof(((Config *)0)->serline))); |
178 | } |
179 | |
180 | s = ctrl_getset(b, "Connection/Serial", "sercfg", "Configure the serial line"); |
181 | ctrl_editbox(s, "Speed (baud)", 's', 40, |
182 | HELPCTX(serial_speed), |
183 | dlg_stdeditbox_handler, I(offsetof(Config,serspeed)), I(-1)); |
184 | ctrl_editbox(s, "Data bits", 'b', 40, |
185 | HELPCTX(serial_databits), |
186 | dlg_stdeditbox_handler,I(offsetof(Config,serdatabits)),I(-1)); |
187 | /* |
188 | * Stop bits come in units of one half. |
189 | */ |
190 | ctrl_editbox(s, "Stop bits", 't', 40, |
191 | HELPCTX(serial_stopbits), |
192 | dlg_stdeditbox_handler,I(offsetof(Config,serstopbits)),I(-2)); |
193 | ctrl_droplist(s, "Parity", 'p', 40, |
194 | HELPCTX(serial_parity), |
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195 | serial_parity_handler, I(parity_mask)); |
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196 | ctrl_droplist(s, "Flow control", 'f', 40, |
197 | HELPCTX(serial_flow), |
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198 | serial_flow_handler, I(flow_mask)); |
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199 | } |