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);

#if !defined(USE_MAEMO) || (MAEMO_VERSION_MAJOR < 5)
  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);
#else
  GtkWidget *dialog = 
    hildon_note_new_information(GTK_WINDOW(parent), buf);
#endif

  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"));
    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
  DATADIR ,                  // 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
#if MAEMO_VERSION_MAJOR < 5
  { 450, 300 },  // MEDIUM
  { 800, 480 },  // LARGE
#else
  /* in maemo5 most dialogs are full screen */
  { 800, 480 },  // MEDIUM
  { 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) {
    printf("http_proxy: %s\n", proxy);
    return proxy;
  }

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

  snprintf(proxy_buffer, sizeof(proxy_buffer), "%s%s:%u", 
           strncmp(settings->proxy->host, "http://", 7)?"http://":"", 
           settings->proxy->host, settings->proxy->port);

  proxy_buffer[sizeof(proxy_buffer)-1] = 0;
  printf("gconf_proxy: %s\n", proxy_buffer);
  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	harbaum	209	static void vmessagef(GtkWidget *parent, int type, int buttons,
23			char title, const char fmt,
24			va_list args) {
25
26	harbaum	1	char *buf = g_strdup_vprintf(fmt, args);
27
28	harbaum	314	#if !defined(USE_MAEMO) \|\| (MAEMO_VERSION_MAJOR < 5)
29	harbaum	1	GtkWidget *dialog = gtk_message_dialog_new(
30	harbaum	314	GTK_WINDOW(parent),
31			GTK_DIALOG_DESTROY_WITH_PARENT,
32			type, buttons, buf);
33	harbaum	1
34			gtk_window_set_title(GTK_WINDOW(dialog), title);
35	harbaum	314	#else
36			GtkWidget *dialog =
37			hildon_note_new_information(GTK_WINDOW(parent), buf);
38			#endif
39	harbaum	1
40			gtk_dialog_run(GTK_DIALOG(dialog));
41			gtk_widget_destroy(dialog);
42
43			g_free(buf);
44			}
45
46	harbaum	209	void messagef(GtkWidget parent, char title, const char *fmt, ...) {
47			va_list args;
48			va_start( args, fmt );
49	harbaum	314	vmessagef(parent, GTK_MESSAGE_INFO,
50	harbaum	294	GTK_BUTTONS_OK, title, fmt, args);
51	harbaum	209	va_end( args );
52			}
53
54			void errorf(GtkWidget parent, const char fmt, ...) {
55			va_list args;
56			va_start( args, fmt );
57	harbaum	294
58	harbaum	314	vmessagef(parent, GTK_MESSAGE_ERROR,
59	harbaum	294	GTK_BUTTONS_CLOSE, _("Error"), fmt, args);
60	harbaum	209	va_end( args );
61			}
62
63			void warningf(GtkWidget parent, const char fmt, ...) {
64			va_list args;
65			va_start( args, fmt );
66	harbaum	314	vmessagef(parent, GTK_MESSAGE_WARNING,
67	harbaum	294	GTK_BUTTONS_CLOSE, _("Warning"), fmt, args);
68	harbaum	209	va_end( args );
69			}
70
71	harbaum	1	static void on_toggled(GtkWidget *button, gpointer data) {
72			gboolean active =
73			gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
74
75			GtkWidget *dialog = gtk_widget_get_toplevel(button);
76
77			if((gint)data & MISC_AGAIN_FLAG_DONT_SAVE_NO)
78			gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
79			GTK_RESPONSE_NO, !active);
80
81			if((gint)data & MISC_AGAIN_FLAG_DONT_SAVE_YES)
82			gtk_dialog_set_response_sensitive(GTK_DIALOG(dialog),
83			GTK_RESPONSE_YES, !active);
84			}
85
86			gboolean yes_no_f(GtkWidget parent, appdata_t appdata, gulong again_bit,
87			gint flags, char title, const char fmt, ...) {
88
89			if(appdata && again_bit && (appdata->dialog_again.not & again_bit))
90			return((appdata->dialog_again.reply & again_bit) != 0);
91
92			va_list args;
93			va_start( args, fmt );
94			char *buf = g_strdup_vprintf(fmt, args);
95			va_end( args );
96
97			printf("%s: \"%s\"\n", title, buf);
98
99			GtkWidget *dialog = gtk_message_dialog_new(
100			GTK_WINDOW(parent),
101			GTK_DIALOG_DESTROY_WITH_PARENT,
102			GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO,
103			buf);
104
105			gtk_window_set_title(GTK_WINDOW(dialog), title);
106
107			GtkWidget *cbut = NULL;
108			if(appdata && again_bit) {
109			GtkWidget *alignment = gtk_alignment_new(0.5, 0, 0, 0);
110
111			cbut = gtk_check_button_new_with_label(
112	harbaum	249	_("Don't ask this question again"));
113	harbaum	1	g_signal_connect(cbut, "toggled", G_CALLBACK(on_toggled), &flags);
114
115			gtk_container_add(GTK_CONTAINER(alignment), cbut);
116			gtk_box_pack_start_defaults(GTK_BOX(GTK_DIALOG(dialog)->vbox), alignment);
117
118			gtk_widget_show_all(dialog);
119			}
120
121			gboolean yes = (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_YES);
122
123			if(cbut && gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cbut))) {
124			/* the user doesn't want to see this dialog again */
125
126			appdata->dialog_again.not \|= again_bit;
127			if(yes) appdata->dialog_again.reply \|= again_bit;
128			else appdata->dialog_again.reply &= ~again_bit;
129			}
130
131			gtk_widget_destroy(dialog);
132
133			g_free(buf);
134			return yes;
135			}
136
137			static const char *data_paths[] = {
138	harbaum	41	"~/." PACKAGE, // in home directory
139	harbaum	308	DATADIR , // final installation path
140	harbaum	1	#ifdef USE_HILDON
141	harbaum	41	"/media/mmc1/" PACKAGE, // path to external memory card
142			"/media/mmc2/" PACKAGE, // path to internal memory card
143	harbaum	1	#endif
144	harbaum	41	"./data", "../data", // local paths for testing
145	harbaum	1	NULL
146			};
147
148			char find_file(char name) {
149			const char **path = data_paths;
150			char *p = getenv("HOME");
151
152			while(*path) {
153			char *full_path = NULL;
154
155			if(*path[0] == '~')
156			full_path = g_strdup_printf("%s/%s/%s", p, *path+2, name);
157			else
158			full_path = g_strdup_printf("%s/%s", *path, name);
159
160			if(g_file_test(full_path, G_FILE_TEST_IS_REGULAR))
161			return full_path;
162
163			g_free(full_path);
164			path++;
165			}
166
167			return NULL;
168			}
169
170			/* scan all data directories for the given file pattern and */
171			/* return a list of files matching this pattern */
172			file_chain_t file_scan(char pattern) {
173			file_chain_t chain = NULL, *chainP = &chain;
174
175			const char **path = data_paths;
176			char *p = getenv("HOME");
177
178			while(*path) {
179			GDir *dir = NULL;
180
181			/* scan for projects */
182			const char dirname = path;
183
184			if(*path[0] == '~')
185			dirname = g_strdup_printf("%s/%s", p, *path+2);
186
187			if((dir = g_dir_open(dirname, 0, NULL))) {
188			const char *name = NULL;
189			do {
190			name = g_dir_read_name(dir);
191
192			if(name) {
193			char *fullname = g_strdup_printf("%s/%s", dirname, name);
194			if(g_file_test(fullname, G_FILE_TEST_IS_REGULAR)) {
195			if(g_pattern_match_simple(pattern, name)) {
196			*chainP = g_new0(file_chain_t, 1);
197			(*chainP)->name = fullname;
198			chainP = &(*chainP)->next;
199			} else
200			g_free(fullname);
201			} else
202			g_free(fullname);
203			}
204			} while(name);
205
206			g_dir_close(dir);
207
208			if(*path[0] == '~')
209			g_free((char*)dirname);
210			}
211
212			path++;
213			}
214
215			return chain;
216			}
217	harbaum	167
218
219			#ifdef USE_HILDON
220			static const gint dialog_sizes[][2] = {
221			{ 400, 100 }, // SMALL
222	harbaum	266	#if MAEMO_VERSION_MAJOR < 5
223	harbaum	167	{ 450, 300 }, // MEDIUM
224			{ 800, 480 }, // LARGE
225	harbaum	172	#else
226	harbaum	266	/* in maemo5 most dialogs are full screen */
227			{ 800, 480 }, // MEDIUM
228	harbaum	172	{ 800, 380 }, // LARGE
229			#endif
230	harbaum	167	{ 640, 100 }, // WIDE
231	harbaum	200	{ 450, 480 }, // HIGH
232	harbaum	167	};
233			#else
234			static const gint dialog_sizes[][2] = {
235			{ 300, 100 }, // SMALL
236			{ 400, 300 }, // MEDIUM
237			{ 500, 350 }, // LARGE
238			{ 450, 100 }, // WIDE
239	harbaum	200	{ 200, 350 }, // HIGH
240	harbaum	167	};
241			#endif
242
243			/* create a modal dialog using one of the predefined size hints */
244			GtkWidget misc_dialog_new(guint hint, const char title,
245			GtkWindow *parent, ...) {
246			va_list args;
247			va_start( args, parent );
248
249			/* create dialog itself */
250			GtkWidget *dialog = gtk_dialog_new();
251
252			gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
253			if(title) gtk_window_set_title(GTK_WINDOW(dialog), title);
254			if(parent) gtk_window_set_transient_for(GTK_WINDOW(dialog), parent);
255
256			const gchar button_text = va_arg(args, const gchar );
257			while(button_text) {
258			gtk_dialog_add_button(GTK_DIALOG(dialog), button_text, va_arg(args, gint));
259			button_text = va_arg(args, const gchar *);
260			}
261
262			va_end( args );
263
264			if(hint != MISC_DIALOG_NOSIZE)
265			gtk_window_set_default_size(GTK_WINDOW(dialog),
266			dialog_sizes[hint][0], dialog_sizes[hint][1]);
267
268			return dialog;
269			}
270	harbaum	195
271			#if defined(USE_HILDON) && (MAEMO_VERSION_MAJOR == 5)
272			#include <hildon/hildon-pannable-area.h>
273			/* create a pannable area */
274			GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
275			return hildon_pannable_area_new();
276			}
277
278			void misc_scrolled_window_add_with_viewport(GtkWidget win, GtkWidget child) {
279			hildon_pannable_area_add_with_viewport(HILDON_PANNABLE_AREA(win), child);
280			}
281
282			#else
283			/* create a scrolled window */
284			GtkWidget *misc_scrolled_window_new(gboolean etched_in) {
285			GtkWidget *scrolled_window = gtk_scrolled_window_new(NULL, NULL);
286			gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
287			GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
288			if(etched_in)
289			gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window),
290			GTK_SHADOW_ETCHED_IN);
291			return scrolled_window;
292			}
293
294			void misc_scrolled_window_add_with_viewport(GtkWidget win, GtkWidget child) {
295			gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(win), child);
296			}
297
298
299			#endif
300
301	harbaum	200	const char misc_get_proxy_uri(settings_t settings) {
302			static char proxy_buffer[64];
303	harbaum	195
304	harbaum	200	/* use environment settings if preset */
305			const char *proxy = g_getenv("http_proxy");
306	harbaum	232	if(proxy) {
307			printf("http_proxy: %s\n", proxy);
308			return proxy;
309			}
310	harbaum	200
311			/* otherwise try settings */
312			if(!settings \|\| !settings->proxy \|\|
313			!settings->proxy->host) return NULL;
314
315	harbaum	232	snprintf(proxy_buffer, sizeof(proxy_buffer), "%s%s:%u",
316			strncmp(settings->proxy->host, "http://", 7)?"http://":"",
317			settings->proxy->host, settings->proxy->port);
318
319	harbaum	200	proxy_buffer[sizeof(proxy_buffer)-1] = 0;
320	harbaum	232	printf("gconf_proxy: %s\n", proxy_buffer);
321	harbaum	200	return proxy_buffer;
322			}
323	harbaum	203
324			void misc_table_attach(GtkWidget table, GtkWidget widget, int x, int y) {
325			gtk_table_attach_defaults(GTK_TABLE(table), widget, x, x+1, y, y+1);
326			}