summaryrefslogtreecommitdiffstats
path: root/mdk-stage1/newt-frontend.c
blob: 5e0af6ca27d37b05999d431b489c58ec8a2595c9 (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
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
/*
 * Guillaume Cottenceau (gc@mandrakesoft.com)
 *
 * Copyright 2000 MandrakeSoft
 *
 * This software may be freely redistributed under the terms of the GNU
 * public license.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/*
 * Portions from Erik Troan (ewt@redhat.com)
 *
 * Copyright 1996 Red Hat Software 
 *
 */


/*
 * Each different frontend must implement all functions defined in frontend.h
 */


#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/time.h>
#include "newt/newt.h"

#include "frontend.h"

void init_frontend(char * welcome_msg)
{
	int i;
	for (i=0; i<38; i++) printf("\n");
	newtInit();
	newtCls();
	
	newtDrawRootText(0, 0, welcome_msg);
	
	newtPushHelpLine(" <Alt-F1> for here, <Alt-F3> to see the logs, <Alt-F4> for kernel msg");
	newtRefresh();
}


void finish_frontend(void)
{
	newtFinished();
}


void verror_message(char *msg, va_list ap)
{
	newtWinMessagev("Error", "Ok", msg, ap);
}

void vinfo_message(char *msg, va_list ap)
{
	newtWinMessagev("Notice", "Ok", msg, ap);
}


void vwait_message(char *msg, va_list ap)
{
	int width, height;
	char * title = "Please wait...";
	newtComponent c, f;
	newtGrid grid;
	char * buf = NULL;
	char * flowed;
	int size = 0;
	int i = 0;
	
	do {
		size += 1000;
		if (buf) free(buf);
		buf = malloc(size);
		i = vsnprintf(buf, size, msg, ap);
	} while (i >= size || i == -1);

	flowed = newtReflowText(buf, 60, 5, 5, &width, &height);
	
	c = newtTextbox(-1, -1, width, height, NEWT_TEXTBOX_WRAP);
	newtTextboxSetText(c, flowed);

	grid = newtCreateGrid(1, 1);
	newtGridSetField(grid, 0, 0, NEWT_GRID_COMPONENT, c, 0, 0, 0, 0, 0, 0);
	newtGridWrappedWindow(grid, title);

	free(flowed);
	free(buf);

	f = newtForm(NULL, NULL, 0);
	newtFormAddComponent(f, c);

	newtDrawForm(f);
	newtRefresh();
	newtFormDestroy(f);
}

void remove_wait_message(void)
{
	newtPopWindow();
}


static newtComponent form = NULL, scale = NULL;
static int size_progress;
static int actually_drawn;
static char * msg_progress;

void init_progression(char *msg, int size)
{
	size_progress = size;
	if (size) {
		actually_drawn = 0;
		newtCenteredWindow(70, 5, "Please wait...");
		form = newtForm(NULL, NULL, 0);
		newtFormAddComponent(form, newtLabel(1, 1, msg));
		scale = newtScale(1, 3, 68, size);
		newtFormAddComponent(form, scale);
		newtDrawForm(form);
		newtRefresh();
	}
	else {
		wait_message(msg);
		msg_progress = msg;
	}
}

void update_progression(int current_size)
{
	if (size_progress) {
		if (current_size <= size_progress)
			newtScaleSet(scale, current_size);
		newtRefresh();
	}
	else {
		struct timeval t;
		int time;
		static int last_time = -1;
		gettimeofday(&t, NULL);
		time = t.tv_sec*3 + t.tv_usec/300000;
		if (time != last_time) {
			char msg_prog_final[500];
			sprintf(msg_prog_final, "%s (%d bytes read) ", msg_progress, current_size);
			remove_wait_message();
			wait_message(msg_prog_final);
		}
		last_time = time;
	}
}

void end_progression(void)
{
	if (size_progress) {
		newtPopWindow();
		newtFormDestroy(form);
	}
	else
		remove_wait_message();
}


enum return_type ask_from_list_comments(char *msg, char ** elems, char ** elems_comments, char ** choice)
{
	char * items[500];
	int answer = 0, rc;
	char ** sav_elems = elems;
	int i;

	i = 0;
	while (elems && *elems) {
		int j = (*elems_comments) ? strlen(*elems_comments) : 0;
		items[i] = malloc(sizeof(char) * (strlen(*elems) + j + 4));
		strcpy(items[i], *elems);
		if (*elems_comments) {
			strcat(items[i], " (");
			strcat(items[i], *elems_comments);
			strcat(items[i], ")");
		}
		elems_comments++;
		i++;
		elems++;
	}
	items[i] = NULL;

	rc = newtWinMenu("Please choose...", msg, 52, 5, 5, 7, items, &answer, "Ok", "Cancel", NULL);

	if (rc == 2)
		return RETURN_BACK;

	*choice = strdup(sav_elems[answer]);

	return RETURN_OK;
}


enum return_type ask_from_list(char *msg, char ** elems, char ** choice)
{
	int answer = 0, rc;

	rc = newtWinMenu("Please choose...", msg, 52, 5, 5, 7, elems, &answer, "Ok", "Cancel", NULL);

	if (rc == 2)
		return RETURN_BACK;

	*choice = strdup(elems[answer]);

	return RETURN_OK;
}


enum return_type ask_yes_no(char *msg)
{
	int rc;

	rc = newtWinTernary("Please answer...", "Yes", "No", "Back", msg);

	if (rc == 1)
		return RETURN_OK;
	else if (rc == 3)
		return RETURN_BACK;
	else return RETURN_ERROR;
}


static void (*callback_real_function)(char ** strings) = NULL;

static void default_callback(newtComponent co, void * data)
{
	newtComponent * entries = data;
	char * strings[50], ** ptr;

	if (!callback_real_function)
		return;

	ptr = strings;
	while (entries && *entries) {
		*ptr = newtEntryGetValue(*entries);
		entries++;
		ptr++;
	}

	callback_real_function(strings);

	ptr = strings;
	entries = data;
	while (entries && *entries) {
		newtEntrySet(*entries, strdup(*ptr), 1);
		entries++;
		ptr++;
	}
}

/* only supports up to 50 buttons and entries -- shucks! */
static int mynewtWinEntries(char * title, char * text, int suggestedWidth, int flexDown, 
			    int flexUp, int dataWidth, void (*callback_func)(char ** strings),
			    struct newtWinEntry * items, char * button1, ...) {
	newtComponent buttons[50], result, form, textw;
	newtGrid grid, buttonBar, subgrid;
	int numItems;
	int rc, i;
	int numButtons;
	char * buttonName;
	newtComponent entries[50];

	va_list args;
	
	textw = newtTextboxReflowed(-1, -1, text, suggestedWidth, flexDown,
				    flexUp, 0);
	
	for (numItems = 0; items[numItems].text; numItems++); 
	
	buttonName = button1, numButtons = 0;
	va_start(args, button1);
	while (buttonName) {
		buttons[numButtons] = newtButton(-1, -1, buttonName);
		numButtons++;
		buttonName = va_arg(args, char *);
	}
	
	va_end(args);
	
	buttonBar = newtCreateGrid(numButtons, 1);
	for (i = 0; i < numButtons; i++) {
		newtGridSetField(buttonBar, i, 0, NEWT_GRID_COMPONENT, 
				 buttons[i],
				 i ? 1 : 0, 0, 0, 0, 0, 0);
	}

	if (callback_func) {
		callback_real_function = callback_func;
		entries[numItems] = NULL;
	}
	else
		callback_real_function = NULL;
	
	subgrid = newtCreateGrid(2, numItems);
	for (i = 0; i < numItems; i++) {
		newtComponent entr = newtEntry(-1, -1, items[i].value ? 
					       *items[i].value : NULL, dataWidth,
					       items[i].value, items[i].flags);

		newtGridSetField(subgrid, 0, i, NEWT_GRID_COMPONENT,
				 newtLabel(-1, -1, items[i].text),
				 0, 0, 0, 0, NEWT_ANCHOR_LEFT, 0);
		newtGridSetField(subgrid, 1, i, NEWT_GRID_COMPONENT,
				 entr,
				 1, 0, 0, 0, 0, 0);
		if (callback_func) {
			entries[i] = entr;
			newtComponentAddCallback(entr, default_callback, entries);
		}
	}
	
	
	grid = newtCreateGrid(1, 3);
	form = newtForm(NULL, 0, 0);
	newtGridSetField(grid, 0, 0, NEWT_GRID_COMPONENT, textw, 
			 0, 0, 0, 0, NEWT_ANCHOR_LEFT, 0);
	newtGridSetField(grid, 0, 1, NEWT_GRID_SUBGRID, subgrid, 
			 0, 1, 0, 0, 0, 0);
	newtGridSetField(grid, 0, 2, NEWT_GRID_SUBGRID, buttonBar, 
			 0, 1, 0, 0, 0, NEWT_GRID_FLAG_GROWX);
	newtGridAddComponentsToForm(grid, form, 1);
	newtGridWrappedWindow(grid, title);
	newtGridFree(grid, 1);
	
	result = newtRunForm(form);
	
	for (rc = 0; rc < numItems; rc++)
		*items[rc].value = strdup(*items[rc].value);
	
	for (rc = 0; result != buttons[rc] && rc < numButtons; rc++);
	if (rc == numButtons) 
		rc = 0; /* F12 */
	else 
		rc++;
	
	newtFormDestroy(form);
	newtPopWindow();
	
	return rc;
}


enum return_type ask_from_entries(char *msg, char ** questions, char *** answers, int entry_size, void (*callback_func)(char ** strings))
{
	struct newtWinEntry entries[50];
	int j, i = 0;
	int rc;
	char ** already_answers = NULL;

	while (questions && *questions) {
		entries[i].text = *questions;
		entries[i].flags = NEWT_FLAG_SCROLL | (!strcmp(*questions, "Password") ? NEWT_FLAG_PASSWORD : 0);
		i++;
		questions++;
	}
	entries[i].text = NULL;
	entries[i].value = NULL;

	if (*answers == NULL)
		*answers = (char **) malloc(sizeof(char *) * i);
	else
		already_answers = *answers;

	for (j = 0 ; j < i ; j++) {
		entries[j].value = &((*answers)[j]);
		if (already_answers && *already_answers) {
			*(entries[j].value) = *already_answers;
			already_answers++;
		} else
			*(entries[j].value) = NULL;
	}

	rc = mynewtWinEntries("Please fill in entries...", msg, 52, 5, 5, entry_size, callback_func, entries, "Ok", "Cancel", NULL); 

	if (rc == 3)
		return RETURN_BACK;
	if (rc != 1)
		return RETURN_ERROR;
	
	return RETURN_OK;
}


void suspend_to_console(void) { newtSuspend(); }
void resume_from_suspend(void) { newtResume(); }