trunk/src/misc.c

/*
 * Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
 *
 * This file is part of OSM2Go.
 *
 * OSM2Go is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OSM2Go is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OSM2Go.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "appdata.h"

static void vmessagef(GtkWidget *parent, int type, int buttons,
                      char *title, const char *fmt, 
                      va_list args) {

  char *buf = g_strdup_vprintf(fmt, args);

  GtkWidget *dialog = gtk_message_dialog_new(
                     GTK_WINDOW(parent),
                     GTK_DIALOG_DESTROY_WITH_PARENT,
                     type, buttons, buf);

  gtk_window_set_title(GTK_WINDOW(dialog), title);

  gtk_dialog_run(GTK_DIALOG(dialog));
  gtk_widget_destroy(dialog);

  g_free(buf);
}


void messagef(GtkWidget *parent, char *title, const char *fmt, ...) {
  va_list args;
  va_start( args, fmt );
  vmessagef(parent, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, title, fmt, args);
  va_end( args );
}

void errorf(GtkWidget *parent, const char *fmt, ...) {
  va_list args;
  va_start( args, fmt );
  vmessagef(parent, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, 
            _("Error"), fmt, args);
  va_end( args );
}

void warningf(GtkWidget *parent, const char *fmt, ...) {
  va_list args;
  va_start( args, fmt );
  vmessagef(parent, GTK_MESSAGE_WARNING, GTK_BUTTONS_CLOSE, 
            _("Warning"), fmt, args);
  va_end( args );
}

static void on_toggled(GtkWidget *button, gpointer data) {
  gboolean active = 
    gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));

  GtkWidget *dialog = gtk_widget_get_toplevel(button);

  if(*(gint*)data & MISC_AGAIN_FLAG_DONT_SAVE_NO)
    gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
                                      GTK_RESPONSE_NO, !active);

  if(*(gint*)data & MISC_AGAIN_FLAG_DONT_SAVE_YES)
    gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
                                      GTK_RESPONSE_YES, !active);
}

gboolean yes_no_f(GtkWidget *parent, appdata_t *appdata, gulong again_bit, 
                  gint flags, char *title, const char *fmt, ...) {

  if(appdata && again_bit && (appdata->dialog_again.not & again_bit)) 
    return((appdata->dialog_again.reply & again_bit) != 0);

  va_list args;
  va_start( args, fmt );
  char *buf = g_strdup_vprintf(fmt, args);
  va_end( args );

  printf("%s: \"%s\"\n", title, buf); 

  GtkWidget *dialog = gtk_message_dialog_new(
                     GTK_WINDOW(parent),
                     GTK_DIALOG_DESTROY_WITH_PARENT,
                     GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO,
                     buf);

  gtk_window_set_title(GTK_WINDOW(dialog), title);

  GtkWidget *cbut = NULL;
  if(appdata && again_bit) {
    GtkWidget *alignment = gtk_alignment_new(0.5, 0, 0, 0);

    cbut = gtk_check_button_new_with_label(
            _("Don't ask this question again this session"));
    g_signal_connect(cbut, "toggled", G_CALLBACK(on_toggled), &flags);

    gtk_container_add(GTK_CONTAINER(alignment), cbut);
    gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), alignment);

    gtk_widget_show_all(dialog);
  }

  gboolean yes = (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_YES);

  if(cbut && gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cbut))) {
    /* the user doesn't want to see this dialog again */

    appdata->dialog_again.not |= again_bit;
    if(yes) appdata->dialog_again.reply |=  again_bit;
    else    appdata->dialog_again.reply &= ~again_bit;
  }

  gtk_widget_destroy(dialog);

  g_free(buf);
  return yes;
}

static const char *data_paths[] = {
  "~/." PACKAGE,             // in home directory
  PREFIX "/share/" PACKAGE , // final installation path 
#ifdef USE_HILDON
  "/media/mmc1/" PACKAGE,    // path to external memory card
  "/media/mmc2/" PACKAGE,    // path to internal memory card
#endif
  "./data", "../data",       // local paths for testing
  NULL
};

char *find_file(char *name) {
  const char **path = data_paths;
  char *p = getenv("HOME");

  while(*path) {
    char *full_path = NULL;

    if(*path[0] == '~') 
      full_path = g_strdup_printf("%s/%s/%s", p, *path+2, name);
    else
      full_path = g_strdup_printf("%s/%s", *path, name);

    if(g_file_test(full_path, G_FILE_TEST_IS_REGULAR))
      return full_path;

    g_free(full_path);
    path++;
  }

  return NULL;
}

/* scan all data directories for the given file pattern and */
/* return a list of files matching this pattern */
file_chain_t *file_scan(char *pattern) {
  file_chain_t *chain = NULL, **chainP = &chain;

  const char **path = data_paths;
  char *p = getenv("HOME");

  while(*path) {
    GDir *dir = NULL;
    
    /* scan for projects */
    const char *dirname = *path;

    if(*path[0] == '~') 
      dirname = g_strdup_printf("%s/%s", p, *path+2);

    if((dir = g_dir_open(dirname, 0, NULL))) {
      const char *name = NULL;
      do {
        name = g_dir_read_name(dir);
        
        if(name) {
          char *fullname = g_strdup_printf("%s/%s", dirname, name);
          if(g_file_test(fullname, G_FILE_TEST_IS_REGULAR)) {
            if(g_pattern_match_simple(pattern, name)) {
              *chainP = g_new0(file_chain_t, 1);
              (*chainP)->name = fullname;
              chainP = &(*chainP)->next;
            } else
              g_free(fullname);
          } else
            g_free(fullname);
        }
      } while(name);

      g_dir_close(dir);

      if(*path[0] == '~') 
        g_free((char*)dirname);
    }

    path++;
  }

  return chain;
}


#ifdef USE_HILDON
static const gint dialog_sizes[][2] = {
  { 400, 100 },  // SMALL
  { 450, 300 },  // MEDIUM
#if MAEMO_VERSION_MAJOR < 5
  { 800, 480 },  // LARGE
#else
  { 800, 380 },  // LARGE
#endif
  { 640, 100 },  // WIDE
  { 450, 480 },  // HIGH
};
#else
static const gint dialog_sizes[][2] = {
  { 300, 100 },  // SMALL
  { 400, 300 },  // MEDIUM
  { 500, 350 },  // LARGE
  { 450, 100 },  // WIDE
  { 200, 350 },  // HIGH
};
#endif

/* create a modal dialog using one of the predefined size hints */
GtkWidget *misc_dialog_new(guint hint, const char *title, 
                           GtkWindow *parent, ...) {
  va_list args;
  va_start( args, parent );

  /* create dialog itself */
  GtkWidget *dialog = gtk_dialog_new();
  
  gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
  if(title) gtk_window_set_title(GTK_WINDOW(dialog), title);
  if(parent) gtk_window_set_transient_for(GTK_WINDOW(dialog), parent);

  const gchar *button_text = va_arg(args, const gchar *);
  while(button_text) {
    gtk_dialog_add_button(GTK_DIALOG(dialog), button_text, va_arg(args, gint));
    button_text = va_arg(args, const gchar *);
  }
  
  va_end( args );

  if(hint != MISC_DIALOG_NOSIZE)
    gtk_window_set_default_size(GTK_WINDOW(dialog), 
                        dialog_sizes[hint][0], dialog_sizes[hint][1]);

  return dialog;
}

#if defined(USE_HILDON) && (MAEMO_VERSION_MAJOR == 5)
#include <hildon/hildon-pannable-area.h>
/* create a pannable area */
GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
  return hildon_pannable_area_new();
}

void misc_scrolled_window_add_with_viewport(GtkWidget *win, GtkWidget *child) {
  hildon_pannable_area_add_with_viewport(HILDON_PANNABLE_AREA(win), child);
}

#else
/* create a scrolled window */
GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
  GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
  gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), 
                                 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
  if(etched_in)
    gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), 
                                        GTK_SHADOW_ETCHED_IN);
  return scrolled_window;
} 

void misc_scrolled_window_add_with_viewport(GtkWidget *win, GtkWidget *child) {
  gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(win), child);
}


#endif

const char *misc_get_proxy_uri(settings_t *settings) {
  static char proxy_buffer[64];

  /* use environment settings if preset */
  const char *proxy = g_getenv("http_proxy");
  if(proxy) return proxy;

  /* otherwise try settings */
  if(!settings || !settings->proxy || 
     !settings->proxy->host) return NULL;

  snprintf(proxy_buffer, sizeof(proxy_buffer),
           "http://%s:%u", settings->proxy->host,
           settings->proxy->port);
  proxy_buffer[sizeof(proxy_buffer)-1] = 0;
  return proxy_buffer;
}

void misc_table_attach(GtkWidget *table, GtkWidget *widget, int x, int y) {
  gtk_table_attach_defaults(GTK_TABLE(table), widget, x, x+1, y, y+1);
}
1	/*
2	* Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
3	*
4	* This file is part of OSM2Go.
5	*
6	* OSM2Go is free software: you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation, either version 3 of the License, or
9	* (at your option) any later version.
10	*
11	* OSM2Go is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with OSM2Go. If not, see <http://www.gnu.org/licenses/>.
18	*/
19
20	#include "appdata.h"
21
22	static void vmessagef(GtkWidget *parent, int type, int buttons,
23	char title, const char fmt,
24	va_list args) {
25
26	char *buf = g_strdup_vprintf(fmt, args);
27
28	GtkWidget *dialog = gtk_message_dialog_new(
29	GTK_WINDOW(parent),
30	GTK_DIALOG_DESTROY_WITH_PARENT,
31	type, buttons, buf);
32
33	gtk_window_set_title(GTK_WINDOW(dialog), title);
34
35	gtk_dialog_run(GTK_DIALOG(dialog));
36	gtk_widget_destroy(dialog);
37
38	g_free(buf);
39	}
40
41
42	void messagef(GtkWidget parent, char title, const char *fmt, ...) {
43	va_list args;
44	va_start( args, fmt );
45	vmessagef(parent, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, title, fmt, args);
46	va_end( args );
47	}
48
49	void errorf(GtkWidget parent, const char fmt, ...) {
50	va_list args;
51	va_start( args, fmt );
52	vmessagef(parent, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
53	_("Error"), fmt, args);
54	va_end( args );
55	}
56
57	void warningf(GtkWidget parent, const char fmt, ...) {
58	va_list args;
59	va_start( args, fmt );
60	vmessagef(parent, GTK_MESSAGE_WARNING, GTK_BUTTONS_CLOSE,
61	_("Warning"), fmt, args);
62	va_end( args );
63	}
64
65	static void on_toggled(GtkWidget *button, gpointer data) {
66	gboolean active =
67	gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
68
69	GtkWidget *dialog = gtk_widget_get_toplevel(button);
70
71	if((gint)data & MISC_AGAIN_FLAG_DONT_SAVE_NO)
72	gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
73	GTK_RESPONSE_NO, !active);
74
75	if((gint)data & MISC_AGAIN_FLAG_DONT_SAVE_YES)
76	gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
77	GTK_RESPONSE_YES, !active);
78	}
79
80	gboolean yes_no_f(GtkWidget parent, appdata_t appdata, gulong again_bit,
81	gint flags, char title, const char fmt, ...) {
82
83	if(appdata && again_bit && (appdata->dialog_again.not & again_bit))
84	return((appdata->dialog_again.reply & again_bit) != 0);
85
86	va_list args;
87	va_start( args, fmt );
88	char *buf = g_strdup_vprintf(fmt, args);
89	va_end( args );
90
91	printf("%s: \"%s\"\n", title, buf);
92
93	GtkWidget *dialog = gtk_message_dialog_new(
94	GTK_WINDOW(parent),
95	GTK_DIALOG_DESTROY_WITH_PARENT,
96	GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO,
97	buf);
98
99	gtk_window_set_title(GTK_WINDOW(dialog), title);
100
101	GtkWidget *cbut = NULL;
102	if(appdata && again_bit) {
103	GtkWidget *alignment = gtk_alignment_new(0.5, 0, 0, 0);
104
105	cbut = gtk_check_button_new_with_label(
106	_("Don't ask this question again this session"));
107	g_signal_connect(cbut, "toggled", G_CALLBACK(on_toggled), &flags);
108
109	gtk_container_add(GTK_CONTAINER(alignment), cbut);
110	gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), alignment);
111
112	gtk_widget_show_all(dialog);
113	}
114
115	gboolean yes = (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_YES);
116
117	if(cbut && gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cbut))) {
118	/* the user doesn't want to see this dialog again */
119
120	appdata->dialog_again.not \|= again_bit;
121	if(yes) appdata->dialog_again.reply \|= again_bit;
122	else appdata->dialog_again.reply &= ~again_bit;
123	}
124
125	gtk_widget_destroy(dialog);
126
127	g_free(buf);
128	return yes;
129	}
130
131	static const char *data_paths[] = {
132	"~/." PACKAGE, // in home directory
133	PREFIX "/share/" PACKAGE , // final installation path
134	#ifdef USE_HILDON
135	"/media/mmc1/" PACKAGE, // path to external memory card
136	"/media/mmc2/" PACKAGE, // path to internal memory card
137	#endif
138	"./data", "../data", // local paths for testing
139	NULL
140	};
141
142	char find_file(char name) {
143	const char **path = data_paths;
144	char *p = getenv("HOME");
145
146	while(*path) {
147	char *full_path = NULL;
148
149	if(*path[0] == '~')
150	full_path = g_strdup_printf("%s/%s/%s", p, *path+2, name);
151	else
152	full_path = g_strdup_printf("%s/%s", *path, name);
153
154	if(g_file_test(full_path, G_FILE_TEST_IS_REGULAR))
155	return full_path;
156
157	g_free(full_path);
158	path++;
159	}
160
161	return NULL;
162	}
163
164	/* scan all data directories for the given file pattern and */
165	/* return a list of files matching this pattern */
166	file_chain_t file_scan(char pattern) {
167	file_chain_t chain = NULL, *chainP = &chain;
168
169	const char **path = data_paths;
170	char *p = getenv("HOME");
171
172	while(*path) {
173	GDir *dir = NULL;
174
175	/* scan for projects */
176	const char dirname = path;
177
178	if(*path[0] == '~')
179	dirname = g_strdup_printf("%s/%s", p, *path+2);
180
181	if((dir = g_dir_open(dirname, 0, NULL))) {
182	const char *name = NULL;
183	do {
184	name = g_dir_read_name(dir);
185
186	if(name) {
187	char *fullname = g_strdup_printf("%s/%s", dirname, name);
188	if(g_file_test(fullname, G_FILE_TEST_IS_REGULAR)) {
189	if(g_pattern_match_simple(pattern, name)) {
190	*chainP = g_new0(file_chain_t, 1);
191	(*chainP)->name = fullname;
192	chainP = &(*chainP)->next;
193	} else
194	g_free(fullname);
195	} else
196	g_free(fullname);
197	}
198	} while(name);
199
200	g_dir_close(dir);
201
202	if(*path[0] == '~')
203	g_free((char*)dirname);
204	}
205
206	path++;
207	}
208
209	return chain;
210	}
211
212
213	#ifdef USE_HILDON
214	static const gint dialog_sizes[][2] = {
215	{ 400, 100 }, // SMALL
216	{ 450, 300 }, // MEDIUM
217	#if MAEMO_VERSION_MAJOR < 5
218	{ 800, 480 }, // LARGE
219	#else
220	{ 800, 380 }, // LARGE
221	#endif
222	{ 640, 100 }, // WIDE
223	{ 450, 480 }, // HIGH
224	};
225	#else
226	static const gint dialog_sizes[][2] = {
227	{ 300, 100 }, // SMALL
228	{ 400, 300 }, // MEDIUM
229	{ 500, 350 }, // LARGE
230	{ 450, 100 }, // WIDE
231	{ 200, 350 }, // HIGH
232	};
233	#endif
234
235	/* create a modal dialog using one of the predefined size hints */
236	GtkWidget misc_dialog_new(guint hint, const char title,
237	GtkWindow *parent, ...) {
238	va_list args;
239	va_start( args, parent );
240
241	/* create dialog itself */
242	GtkWidget *dialog = gtk_dialog_new();
243
244	gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
245	if(title) gtk_window_set_title(GTK_WINDOW(dialog), title);
246	if(parent) gtk_window_set_transient_for(GTK_WINDOW(dialog), parent);
247
248	const gchar button_text = va_arg(args, const gchar );
249	while(button_text) {
250	gtk_dialog_add_button(GTK_DIALOG(dialog), button_text, va_arg(args, gint));
251	button_text = va_arg(args, const gchar *);
252	}
253
254	va_end( args );
255
256	if(hint != MISC_DIALOG_NOSIZE)
257	gtk_window_set_default_size(GTK_WINDOW(dialog),
258	dialog_sizes[hint][0], dialog_sizes[hint][1]);
259
260	return dialog;
261	}
262
263	#if defined(USE_HILDON) && (MAEMO_VERSION_MAJOR == 5)
264	#include <hildon/hildon-pannable-area.h>
265	/* create a pannable area */
266	GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
267	return hildon_pannable_area_new();
268	}
269
270	void misc_scrolled_window_add_with_viewport(GtkWidget win, GtkWidget child) {
271	hildon_pannable_area_add_with_viewport(HILDON_PANNABLE_AREA(win), child);
272	}
273
274	#else
275	/* create a scrolled window */
276	GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
277	GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
278	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
279	GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
280	if(etched_in)
281	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window),
282	GTK_SHADOW_ETCHED_IN);
283	return scrolled_window;
284	}
285
286	void misc_scrolled_window_add_with_viewport(GtkWidget win, GtkWidget child) {
287	gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(win), child);
288	}
289
290
291	#endif
292
293	const char misc_get_proxy_uri(settings_t settings) {
294	static char proxy_buffer[64];
295
296	/* use environment settings if preset */
297	const char *proxy = g_getenv("http_proxy");
298	if(proxy) return proxy;
299
300	/* otherwise try settings */
301	if(!settings \|\| !settings->proxy \|\|
302	!settings->proxy->host) return NULL;
303
304	snprintf(proxy_buffer, sizeof(proxy_buffer),
305	"http://%s:%u", settings->proxy->host,
306	settings->proxy->port);
307	proxy_buffer[sizeof(proxy_buffer)-1] = 0;
308	return proxy_buffer;
309	}
310
311	void misc_table_attach(GtkWidget table, GtkWidget widget, int x, int y) {
312	gtk_table_attach_defaults(GTK_TABLE(table), widget, x, x+1, y, y+1);
313	}