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"

void messagef(GtkWidget *parent, char *title, const char *fmt, ...) {
  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_INFO, GTK_BUTTONS_OK,
                     buf);

  gtk_window_set_title(GTK_WINDOW(dialog), title);

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

  g_free(buf);
}

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;
}

void errorf(GtkWidget *parent, const char *fmt, ...) {
  va_list args;
  va_start( args, fmt );
  char *buf = g_strdup_vprintf(fmt, args);
  va_end( args );

  printf("errorf(\"%s\")\n", buf); 
  
  GtkWidget *dialog = gtk_message_dialog_new(
                     GTK_WINDOW(parent),
                     GTK_DIALOG_DESTROY_WITH_PARENT,
                     GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
                     buf);

  gtk_window_set_title(GTK_WINDOW(dialog), _("ERROR"));

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

  g_free(buf);
}

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	harbaum	1	/*
2	achadwick	101	* Copyright (C) 2008 Till Harbaum <till@harbaum.org>.
3			*
4	harbaum	1	* 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			void messagef(GtkWidget parent, char title, const char *fmt, ...) {
23			va_list args;
24			va_start( args, fmt );
25			char *buf = g_strdup_vprintf(fmt, args);
26			va_end( args );
27
28			printf("%s: \"%s\"\n", title, buf);
29
30			GtkWidget *dialog = gtk_message_dialog_new(
31			GTK_WINDOW(parent),
32			GTK_DIALOG_DESTROY_WITH_PARENT,
33			GTK_MESSAGE_INFO, GTK_BUTTONS_OK,
34			buf);
35
36			gtk_window_set_title(GTK_WINDOW(dialog), title);
37
38			gtk_dialog_run(GTK_DIALOG(dialog));
39			gtk_widget_destroy(dialog);
40
41			g_free(buf);
42			}
43
44			static void on_toggled(GtkWidget *button, gpointer data) {
45			gboolean active =
46			gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
47
48			GtkWidget *dialog = gtk_widget_get_toplevel(button);
49
50			if((gint)data & MISC_AGAIN_FLAG_DONT_SAVE_NO)
51			gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
52			GTK_RESPONSE_NO, !active);
53
54			if((gint)data & MISC_AGAIN_FLAG_DONT_SAVE_YES)
55			gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
56			GTK_RESPONSE_YES, !active);
57			}
58
59			gboolean yes_no_f(GtkWidget parent, appdata_t appdata, gulong again_bit,
60			gint flags, char title, const char fmt, ...) {
61
62			if(appdata && again_bit && (appdata->dialog_again.not & again_bit))
63			return((appdata->dialog_again.reply & again_bit) != 0);
64
65			va_list args;
66			va_start( args, fmt );
67			char *buf = g_strdup_vprintf(fmt, args);
68			va_end( args );
69
70			printf("%s: \"%s\"\n", title, buf);
71
72			GtkWidget *dialog = gtk_message_dialog_new(
73			GTK_WINDOW(parent),
74			GTK_DIALOG_DESTROY_WITH_PARENT,
75			GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO,
76			buf);
77
78			gtk_window_set_title(GTK_WINDOW(dialog), title);
79
80			GtkWidget *cbut = NULL;
81			if(appdata && again_bit) {
82			GtkWidget *alignment = gtk_alignment_new(0.5, 0, 0, 0);
83
84			cbut = gtk_check_button_new_with_label(
85			_("Don't ask this question again this session"));
86			g_signal_connect(cbut, "toggled", G_CALLBACK(on_toggled), &flags);
87
88			gtk_container_add(GTK_CONTAINER(alignment), cbut);
89			gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), alignment);
90
91			gtk_widget_show_all(dialog);
92			}
93
94			gboolean yes = (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_YES);
95
96			if(cbut && gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cbut))) {
97			/* the user doesn't want to see this dialog again */
98
99			appdata->dialog_again.not \|= again_bit;
100			if(yes) appdata->dialog_again.reply \|= again_bit;
101			else appdata->dialog_again.reply &= ~again_bit;
102			}
103
104			gtk_widget_destroy(dialog);
105
106			g_free(buf);
107			return yes;
108			}
109
110			void errorf(GtkWidget parent, const char fmt, ...) {
111			va_list args;
112			va_start( args, fmt );
113			char *buf = g_strdup_vprintf(fmt, args);
114			va_end( args );
115
116			printf("errorf(\"%s\")\n", buf);
117
118			GtkWidget *dialog = gtk_message_dialog_new(
119			GTK_WINDOW(parent),
120			GTK_DIALOG_DESTROY_WITH_PARENT,
121			GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
122			buf);
123
124			gtk_window_set_title(GTK_WINDOW(dialog), _("ERROR"));
125
126			gtk_dialog_run(GTK_DIALOG(dialog));
127			gtk_widget_destroy(dialog);
128
129			g_free(buf);
130			}
131
132			static const char *data_paths[] = {
133	harbaum	41	"~/." PACKAGE, // in home directory
134			PREFIX "/share/" PACKAGE , // final installation path
135	harbaum	1	#ifdef USE_HILDON
136	harbaum	41	"/media/mmc1/" PACKAGE, // path to external memory card
137			"/media/mmc2/" PACKAGE, // path to internal memory card
138	harbaum	1	#endif
139	harbaum	41	"./data", "../data", // local paths for testing
140	harbaum	1	NULL
141			};
142
143			char find_file(char name) {
144			const char **path = data_paths;
145			char *p = getenv("HOME");
146
147			while(*path) {
148			char *full_path = NULL;
149
150			if(*path[0] == '~')
151			full_path = g_strdup_printf("%s/%s/%s", p, *path+2, name);
152			else
153			full_path = g_strdup_printf("%s/%s", *path, name);
154
155			if(g_file_test(full_path, G_FILE_TEST_IS_REGULAR))
156			return full_path;
157
158			g_free(full_path);
159			path++;
160			}
161
162			return NULL;
163			}
164
165			/* scan all data directories for the given file pattern and */
166			/* return a list of files matching this pattern */
167			file_chain_t file_scan(char pattern) {
168			file_chain_t chain = NULL, *chainP = &chain;
169
170			const char **path = data_paths;
171			char *p = getenv("HOME");
172
173			while(*path) {
174			GDir *dir = NULL;
175
176			/* scan for projects */
177			const char dirname = path;
178
179			if(*path[0] == '~')
180			dirname = g_strdup_printf("%s/%s", p, *path+2);
181
182			if((dir = g_dir_open(dirname, 0, NULL))) {
183			const char *name = NULL;
184			do {
185			name = g_dir_read_name(dir);
186
187			if(name) {
188			char *fullname = g_strdup_printf("%s/%s", dirname, name);
189			if(g_file_test(fullname, G_FILE_TEST_IS_REGULAR)) {
190			if(g_pattern_match_simple(pattern, name)) {
191			*chainP = g_new0(file_chain_t, 1);
192			(*chainP)->name = fullname;
193			chainP = &(*chainP)->next;
194			} else
195			g_free(fullname);
196			} else
197			g_free(fullname);
198			}
199			} while(name);
200
201			g_dir_close(dir);
202
203			if(*path[0] == '~')
204			g_free((char*)dirname);
205			}
206
207			path++;
208			}
209
210			return chain;
211			}
212	harbaum	167
213
214			#ifdef USE_HILDON
215			static const gint dialog_sizes[][2] = {
216			{ 400, 100 }, // SMALL
217			{ 450, 300 }, // MEDIUM
218	harbaum	172	#if MAEMO_VERSION_MAJOR < 5
219	harbaum	167	{ 800, 480 }, // LARGE
220	harbaum	172	#else
221			{ 800, 380 }, // LARGE
222			#endif
223	harbaum	167	{ 640, 100 }, // WIDE
224	harbaum	200	{ 450, 480 }, // HIGH
225	harbaum	167	};
226			#else
227			static const gint dialog_sizes[][2] = {
228			{ 300, 100 }, // SMALL
229			{ 400, 300 }, // MEDIUM
230			{ 500, 350 }, // LARGE
231			{ 450, 100 }, // WIDE
232	harbaum	200	{ 200, 350 }, // HIGH
233	harbaum	167	};
234			#endif
235
236			/* create a modal dialog using one of the predefined size hints */
237			GtkWidget misc_dialog_new(guint hint, const char title,
238			GtkWindow *parent, ...) {
239			va_list args;
240			va_start( args, parent );
241
242			/* create dialog itself */
243			GtkWidget *dialog = gtk_dialog_new();
244
245			gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
246			if(title) gtk_window_set_title(GTK_WINDOW(dialog), title);
247			if(parent) gtk_window_set_transient_for(GTK_WINDOW(dialog), parent);
248
249			const gchar button_text = va_arg(args, const gchar );
250			while(button_text) {
251			gtk_dialog_add_button(GTK_DIALOG(dialog), button_text, va_arg(args, gint));
252			button_text = va_arg(args, const gchar *);
253			}
254
255			va_end( args );
256
257			if(hint != MISC_DIALOG_NOSIZE)
258			gtk_window_set_default_size(GTK_WINDOW(dialog),
259			dialog_sizes[hint][0], dialog_sizes[hint][1]);
260
261			return dialog;
262			}
263	harbaum	195
264			#if defined(USE_HILDON) && (MAEMO_VERSION_MAJOR == 5)
265			#include <hildon/hildon-pannable-area.h>
266			/* create a pannable area */
267			GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
268			return hildon_pannable_area_new();
269			}
270
271			void misc_scrolled_window_add_with_viewport(GtkWidget win, GtkWidget child) {
272			hildon_pannable_area_add_with_viewport(HILDON_PANNABLE_AREA(win), child);
273			}
274
275			#else
276			/* create a scrolled window */
277			GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
278			GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
279			gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
280			GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
281			if(etched_in)
282			gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window),
283			GTK_SHADOW_ETCHED_IN);
284			return scrolled_window;
285			}
286
287			void misc_scrolled_window_add_with_viewport(GtkWidget win, GtkWidget child) {
288			gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(win), child);
289			}
290
291
292			#endif
293
294	harbaum	200	const char misc_get_proxy_uri(settings_t settings) {
295			static char proxy_buffer[64];
296	harbaum	195
297	harbaum	200	/* use environment settings if preset */
298			const char *proxy = g_getenv("http_proxy");
299			if(proxy) return proxy;
300
301			/* otherwise try settings */
302			if(!settings \|\| !settings->proxy \|\|
303			!settings->proxy->host) return NULL;
304
305			snprintf(proxy_buffer, sizeof(proxy_buffer),
306			"http://%s:%u", settings->proxy->host,
307			settings->proxy->port);
308			proxy_buffer[sizeof(proxy_buffer)-1] = 0;
309			return proxy_buffer;
310			}
311	harbaum	203
312			void misc_table_attach(GtkWidget table, GtkWidget widget, int x, int y) {
313			gtk_table_attach_defaults(GTK_TABLE(table), widget, x, x+1, y, y+1);
314			}