This source file includes following definitions.
- buttonbar_init_button_positions
- buttonbar_get_button_width
- buttonbar_get_button_by_x_coord
- set_label_text
- buttonbar_call
- buttonbar_callback
- buttonbar_mouse_callback
- buttonbar_new
- buttonbar_set_label
- buttonbar_find
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35 #include <config.h>
36
37 #include <stdlib.h>
38 #include <string.h>
39
40 #include "lib/global.h"
41
42 #include "lib/tty/tty.h"
43 #include "lib/tty/key.h"
44 #include "lib/skin.h"
45 #include "lib/strutil.h"
46 #include "lib/util.h"
47 #include "lib/widget.h"
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62
63
64 static void
65 buttonbar_init_button_positions (WButtonBar *bb)
66 {
67 int i;
68 int pos = 0;
69
70 if (COLS < BUTTONBAR_LABELS_NUM * 7)
71 {
72 for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
73 {
74 if (pos + 7 <= COLS)
75 pos += 7;
76
77 bb->labels[i].end_coord = pos;
78 }
79 }
80 else
81 {
82
83
84
85 int dv, md;
86
87 dv = COLS / BUTTONBAR_LABELS_NUM;
88 md = COLS % BUTTONBAR_LABELS_NUM;
89
90 for (i = 0; i < BUTTONBAR_LABELS_NUM / 2; i++)
91 {
92 pos += dv;
93 if (BUTTONBAR_LABELS_NUM / 2 - 1 - i < md / 2)
94 pos++;
95
96 bb->labels[i].end_coord = pos;
97 }
98
99 for (; i < BUTTONBAR_LABELS_NUM; i++)
100 {
101 pos += dv;
102 if (BUTTONBAR_LABELS_NUM - 1 - i < (md + 1) / 2)
103 pos++;
104
105 bb->labels[i].end_coord = pos;
106 }
107 }
108 }
109
110
111
112
113 static int
114 buttonbar_get_button_width (const WButtonBar *bb, int i)
115 {
116 if (i == 0)
117 return bb->labels[0].end_coord;
118 return bb->labels[i].end_coord - bb->labels[i - 1].end_coord;
119 }
120
121
122
123 static int
124 buttonbar_get_button_by_x_coord (const WButtonBar *bb, int x)
125 {
126 int i;
127
128 for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
129 if (bb->labels[i].end_coord > x)
130 return i;
131
132 return (-1);
133 }
134
135
136
137 static void
138 set_label_text (WButtonBar *bb, int idx, const char *text)
139 {
140 g_free (bb->labels[idx - 1].text);
141 bb->labels[idx - 1].text = g_strdup (text);
142 }
143
144
145
146
147 static gboolean
148 buttonbar_call (WButtonBar *bb, int i)
149 {
150 cb_ret_t ret = MSG_NOT_HANDLED;
151 Widget *w = WIDGET (bb);
152 Widget *target;
153
154 if ((bb != NULL) && (bb->labels[i].command != CK_IgnoreKey))
155 {
156 target = (bb->labels[i].receiver != NULL) ? bb->labels[i].receiver : WIDGET (w->owner);
157 ret = send_message (target, w, MSG_ACTION, bb->labels[i].command, NULL);
158 }
159 return ret;
160 }
161
162
163
164 static cb_ret_t
165 buttonbar_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
166 {
167 WButtonBar *bb = BUTTONBAR (w);
168 int i;
169
170 switch (msg)
171 {
172 case MSG_HOTKEY:
173 for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
174 if (parm == KEY_F (i + 1) && buttonbar_call (bb, i))
175 return MSG_HANDLED;
176 return MSG_NOT_HANDLED;
177
178 case MSG_DRAW:
179 if (widget_get_state (w, WST_VISIBLE))
180 {
181 buttonbar_init_button_positions (bb);
182 widget_gotoyx (w, 0, 0);
183 tty_setcolor (DEFAULT_COLOR);
184 tty_printf ("%-*s", w->rect.cols, "");
185 widget_gotoyx (w, 0, 0);
186
187 for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
188 {
189 int width;
190 const char *text;
191
192 width = buttonbar_get_button_width (bb, i);
193 if (width <= 0)
194 break;
195
196 tty_setcolor (BUTTONBAR_HOTKEY_COLOR);
197 tty_printf ("%2d", i + 1);
198
199 tty_setcolor (BUTTONBAR_BUTTON_COLOR);
200 text = (bb->labels[i].text != NULL) ? bb->labels[i].text : "";
201 tty_print_string (str_fit_to_term (text, width - 2, J_LEFT_FIT));
202 }
203 }
204 return MSG_HANDLED;
205
206 case MSG_DESTROY:
207 for (i = 0; i < BUTTONBAR_LABELS_NUM; i++)
208 g_free (bb->labels[i].text);
209 return MSG_HANDLED;
210
211 default:
212 return widget_default_callback (w, sender, msg, parm, data);
213 }
214 }
215
216
217
218 static void
219 buttonbar_mouse_callback (Widget *w, mouse_msg_t msg, mouse_event_t *event)
220 {
221 switch (msg)
222 {
223 case MSG_MOUSE_CLICK:
224 {
225 WButtonBar *bb = BUTTONBAR (w);
226 int button;
227
228 button = buttonbar_get_button_by_x_coord (bb, event->x);
229 if (button >= 0)
230 buttonbar_call (bb, button);
231 break;
232 }
233
234 default:
235 break;
236 }
237 }
238
239
240
241
242
243 WButtonBar *
244 buttonbar_new (void)
245 {
246 WRect r = { LINES - 1, 0, 1, COLS };
247 WButtonBar *bb;
248 Widget *w;
249
250 bb = g_new0 (WButtonBar, 1);
251 w = WIDGET (bb);
252 widget_init (w, &r, buttonbar_callback, buttonbar_mouse_callback);
253
254 w->pos_flags = WPOS_KEEP_HORZ | WPOS_KEEP_BOTTOM;
255 w->options |= WOP_WANT_HOTKEY;
256
257 return bb;
258 }
259
260
261
262 void
263 buttonbar_set_label (WButtonBar *bb, int idx, const char *text, const global_keymap_t *keymap,
264 Widget *receiver)
265 {
266 if ((bb != NULL) && (idx >= 1) && (idx <= BUTTONBAR_LABELS_NUM))
267 {
268 long command = CK_IgnoreKey;
269
270 if (keymap != NULL)
271 command = keybind_lookup_keymap_command (keymap, KEY_F (idx));
272
273 if ((text == NULL) || (text[0] == '\0'))
274 set_label_text (bb, idx, "");
275 else
276 set_label_text (bb, idx, text);
277
278 bb->labels[idx - 1].command = command;
279 bb->labels[idx - 1].receiver = WIDGET (receiver);
280 }
281 }
282
283
284
285
286 WButtonBar *
287 buttonbar_find (const WDialog *h)
288 {
289 return BUTTONBAR (widget_find_by_type (CONST_WIDGET (h), buttonbar_callback));
290 }