* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
+ * Copyright (C) 2013, Rob Norris <rw_norris@hotmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
#include <string.h>
#include <glib/gprintf.h>
+#include <glib/gi18n.h>
#include "viking.h"
#include "babel.h"
#include "gpx.h"
+#include "acquire.h"
-/*********************************************************
- * Definitions and routines for acquiring data from GPS
- *********************************************************/
+/************************ FILTER LIST *******************/
+// extern VikDataSourceInterface vik_datasource_gps_interface;
+
+/*** Input is TRWLayer ***/
+extern VikDataSourceInterface vik_datasource_bfilter_simplify_interface;
+extern VikDataSourceInterface vik_datasource_bfilter_dup_interface;
+
+/*** Input is a track and a TRWLayer ***/
+extern VikDataSourceInterface vik_datasource_bfilter_polygon_interface;
+extern VikDataSourceInterface vik_datasource_bfilter_exclude_polygon_interface;
+
+/*** Input is a track ***/
+
+const VikDataSourceInterface *filters[] = {
+ &vik_datasource_bfilter_simplify_interface,
+ &vik_datasource_bfilter_dup_interface,
+ &vik_datasource_bfilter_polygon_interface,
+ &vik_datasource_bfilter_exclude_polygon_interface,
+};
+
+const guint N_FILTERS = sizeof(filters) / sizeof(filters[0]);
+
+VikTrack *filter_track = NULL;
-/* global data structure used to expose the progress dialog to the worker thread */
+/********************************************************/
+
+/* passed along to worker thread */
typedef struct {
- VikWindow *vw;
- VikLayersPanel *vlp;
- VikViewport *vvp;
- GtkWidget *dialog;
- GtkWidget *status;
- GtkWidget *gps_label;
- GtkWidget *ver_label;
- GtkWidget *id_label;
- GtkWidget *wp_label;
- GtkWidget *trk_label;
- GtkWidget *progress_label;
- gboolean ok;
-} acq_dialog_widgets_t;
-
-acq_dialog_widgets_t *w = NULL;
-int total_count = -1;
-int count;
-
-static void set_total_count(gint cnt)
-{
- gchar s[128];
- gdk_threads_enter();
- if (w->ok) {
- g_sprintf(s, "Downloading %d %s...", cnt, (w->progress_label == w->wp_label) ? "waypoints" : "trackpoints");
- gtk_label_set_text ( GTK_LABEL(w->progress_label), s );
- gtk_widget_show ( w->progress_label );
- total_count = cnt;
- }
- gdk_threads_leave();
-}
+ acq_dialog_widgets_t *w;
+ gchar *cmd;
+ gchar *extra;
+ gboolean creating_new_layer;
+ VikTrwLayer *vtl;
+ gpointer options;
+} w_and_interface_t;
-static void set_current_count(gint cnt)
-{
- gchar s[128];
- gdk_threads_enter();
- if (w->ok) {
- if (cnt < total_count) {
- g_sprintf(s, "Downloaded %d out of %d %s...", cnt, total_count, (w->progress_label == w->wp_label) ? "waypoints" : "trackpoints");
- } else {
- g_sprintf(s, "Downloaded %d %s.", cnt, (w->progress_label == w->wp_label) ? "waypoints" : "trackpoints");
- }
- gtk_label_set_text ( GTK_LABEL(w->progress_label), s );
- }
- gdk_threads_leave();
-}
-static void set_gps_info(const gchar *info)
+/*********************************************************
+ * Definitions and routines for acquiring data from Data Sources in general
+ *********************************************************/
+
+static void progress_func ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w )
{
- gchar s[256];
- gdk_threads_enter();
- if (w->ok) {
- g_sprintf(s, "GPS Device: %s", info);
- gtk_label_set_text ( GTK_LABEL(w->gps_label), s );
+ if ( w->source_interface->is_thread ) {
+ gdk_threads_enter ();
+ if ( !w->running ) {
+ if ( w->source_interface->cleanup_func )
+ w->source_interface->cleanup_func ( w->user_data );
+ gdk_threads_leave ();
+ g_thread_exit ( NULL );
+ }
+ gdk_threads_leave ();
}
- gdk_threads_leave();
+
+ if ( w->source_interface->progress_func )
+ w->source_interface->progress_func ( c, data, w );
}
-/*
- * This routine relies on gpsbabel's diagnostic output to display the progress information.
- * These outputs differ when different GPS devices are used, so we will need to test
- * them on several and add the corresponding support.
+/**
+ * Some common things to do on completion of a datasource process
+ * . Update layer
+ * . Update dialog info
+ * . Update main dsisplay
*/
-static void progress_func ( BabelProgressCode c, gpointer data )
+static void on_complete_process (w_and_interface_t *wi)
{
- gchar *line;
-
- switch(c) {
- case BABEL_DIAG_OUTPUT:
- line = (gchar *)data;
-
- /* tells us how many items there will be */
- if (strstr(line, "Xfer Wpt")) {
- w->progress_label = w->wp_label;
- }
- if (strstr(line, "Xfer Trk")) {
- w->progress_label = w->trk_label;
- }
- if (strstr(line, "PRDDAT")) {
- gchar **tokens = g_strsplit(line, " ", 0);
- gchar info[128];
- int ilen = 0;
- int i;
-
- for (i=8; tokens[i] && ilen < sizeof(info)-2 && strcmp(tokens[i], "00"); i++) {
- guint ch;
- sscanf(tokens[i], "%x", &ch);
- info[ilen++] = ch;
+ if (wi->w->running) {
+ gtk_label_set_text ( GTK_LABEL(wi->w->status), _("Done.") );
+ if ( wi->creating_new_layer ) {
+ /* Only create the layer if it actually contains anything useful */
+ // TODO: create function for this operation to hide detail:
+ if ( g_hash_table_size (vik_trw_layer_get_tracks(wi->vtl)) ||
+ g_hash_table_size (vik_trw_layer_get_waypoints(wi->vtl)) ||
+ g_hash_table_size (vik_trw_layer_get_routes(wi->vtl)) ) {
+ vik_layer_post_read ( VIK_LAYER(wi->vtl), wi->w->vvp, TRUE );
+ vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(wi->w->vlp), VIK_LAYER(wi->vtl));
}
- info[ilen++] = 0;
- set_gps_info(info);
+ else
+ gtk_label_set_text ( GTK_LABEL(wi->w->status), _("No data.") );
}
- if (strstr(line, "RECORD")) {
- int lsb, msb, cnt;
-
- sscanf(line+17, "%x", &lsb);
- sscanf(line+20, "%x", &msb);
- cnt = lsb + msb * 256;
- set_total_count(cnt);
- count = 0;
+ /* View this data if available and is desired */
+ if ( wi->vtl && wi->w->source_interface->autoview ) {
+ vik_trw_layer_auto_set_view ( wi->vtl, vik_layers_panel_get_viewport(wi->w->vlp) );
}
- if ( strstr(line, "WPTDAT") || strstr(line, "TRKHDR") || strstr(line, "TRKDAT") ) {
- count++;
- set_current_count(count);
+ if ( wi->w->source_interface->keep_dialog_open ) {
+ gtk_dialog_set_response_sensitive ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
+ gtk_dialog_set_response_sensitive ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_REJECT, FALSE );
+ } else {
+ gtk_dialog_response ( GTK_DIALOG(wi->w->dialog), GTK_RESPONSE_ACCEPT );
}
- break;
- case BABEL_DONE:
- break;
- default:
- break;
+ // Main display update
+ if ( wi->vtl )
+ vik_layers_panel_emit_update ( wi->w->vlp );
+ } else {
+ /* cancelled */
+ if ( wi->creating_new_layer )
+ g_object_unref(wi->vtl);
}
}
/* this routine is the worker thread. there is only one simultaneous download allowed */
-static void get_from_gps ( gpointer data )
+static void get_from_anything ( w_and_interface_t *wi )
{
- VikTrwLayer *vtl;
-
- if ( w ) {
- /* simultaneous downloads are not allowed, so we return. */
- g_free(data);
- g_thread_exit ( NULL );
- return;
- }
+ gchar *cmd = wi->cmd;
+ gchar *extra = wi->extra;
+ gboolean result = TRUE;
+
+ VikDataSourceInterface *source_interface = wi->w->source_interface;
- w = data;
+ if ( source_interface->process_func )
+ result = source_interface->process_func ( wi->vtl, cmd, extra, (BabelStatusFunc) progress_func, wi->w, wi->options );
- gdk_threads_enter();
- vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) );
- vik_layer_rename ( VIK_LAYER ( vtl ), "Acquired from GPS" );
- gtk_label_set_text ( GTK_LABEL(w->status), "Working..." );
- gdk_threads_leave();
+ g_free ( cmd );
+ g_free ( extra );
+ g_free ( wi->options );
- if (!a_babel_convert_from (vtl, "-D 9 -t -w -i garmin", progress_func, "/dev/ttyS0")) {
-// if (!a_babel_convert_from (vtl, "-D 9 -t -w -i garmin", progress_func, "/dev/ttyS1")) {
-// if (!a_babel_convert_from_shellcommand (vtl, "(wget -O - \"http://maps.google.com/maps?q=91214 to 94704&output=xml\" 2>/dev/null) | cat ~/vik/tools/temp.ggl | head -3 | tail -1 | sed 's/.*<page>\\(.*\\)<\\/page>.*/<page>\\1<\\/page>/'", "google", progress_func)) {
+ if (!result) {
gdk_threads_enter();
- gtk_label_set_text ( GTK_LABEL(w->status), "Error: couldn't find gpsbabel." );
+ gtk_label_set_text ( GTK_LABEL(wi->w->status), _("Error: acquisition failed.") );
+ if ( wi->creating_new_layer )
+ g_object_unref ( G_OBJECT ( wi->vtl ) );
gdk_threads_leave();
}
+ else {
+ gdk_threads_enter();
+ on_complete_process ( wi );
+ gdk_threads_leave();
+ }
- gdk_threads_enter();
- if (w->ok) {
- gtk_label_set_text ( GTK_LABEL(w->status), "Done." );
- vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl));
- gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
- gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE );
- } else {
- g_object_unref(vtl);
+ if ( source_interface->cleanup_func )
+ source_interface->cleanup_func ( wi->w->user_data );
+
+ if ( wi->w->running ) {
+ wi->w->running = FALSE;
}
- g_free ( w );
- w = NULL;
- gdk_threads_leave();
+
g_thread_exit ( NULL );
}
-void a_acquire_from_gps ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp )
+
+static gchar *write_tmp_trwlayer ( VikTrwLayer *vtl )
{
- GtkWidget *status, *gpslabel, *verlabel, *idlabel, *wplabel, *trklabel;
+ int fd_src;
+ gchar *name_src;
+ FILE *f;
+ g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
+ g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
+ f = fdopen(fd_src, "w");
+ a_gpx_write_file(vtl, f, NULL);
+ fclose(f);
+ f = NULL;
+ return name_src;
+}
+
+/* TODO: write with name of old track */
+static gchar *write_tmp_track ( VikTrack *track )
+{
+ int fd_src;
+ gchar *name_src;
+ FILE *f;
+ g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
+ g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
+ f = fdopen(fd_src, "w");
+ a_gpx_write_track_file(track, f, NULL); /* Thank you Guilhem! Just when I needed this function... -- Evan */
+ fclose(f);
+ f = NULL;
+ return name_src;
+}
+
+/* TODO: cleanup, getr rid of redundancy */
+
+/* depending on type of filter, often only vtl or track will be given.
+ * the other can be NULL.
+ */
+static void acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface,
+ VikTrwLayer *vtl, VikTrack *track )
+{
+ /* for manual dialogs */
GtkWidget *dialog = NULL;
- acq_dialog_widgets_t *w = g_malloc(sizeof(*w));
+ GtkWidget *status;
+ gchar *cmd = NULL;
+ gchar *extra = NULL;
+ gchar *cmd_off = NULL;
+ gchar *extra_off = NULL;
+ acq_dialog_widgets_t *w;
+ gpointer user_data;
+ gpointer options = NULL;
- dialog = gtk_dialog_new_with_buttons ( "", NULL, 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
- gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE );
+ /* for UI builder */
+ gpointer pass_along_data;
+ VikLayerParamData *paramdatas = NULL;
- status = gtk_label_new ("Status: detecting gpsbabel");
- gpslabel = gtk_label_new ("GPS device: N/A");
- verlabel = gtk_label_new ("Version: N/A");
- idlabel = gtk_label_new ("ID: N/A");
- wplabel = gtk_label_new ("WP");
- trklabel = gtk_label_new ("TRK");
+ w_and_interface_t *wi;
- gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 );
- gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), gpslabel, FALSE, FALSE, 5 );
- gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), wplabel, FALSE, FALSE, 5 );
- gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), trklabel, FALSE, FALSE, 5 );
+ /*** INIT AND CHECK EXISTENCE ***/
+ if ( source_interface->init_func )
+ user_data = source_interface->init_func();
+ else
+ user_data = NULL;
+ pass_along_data = user_data;
+
+ if ( source_interface->check_existence_func ) {
+ gchar *error_str = source_interface->check_existence_func();
+ if ( error_str ) {
+ a_dialog_error_msg ( GTK_WINDOW(vw), error_str );
+ g_free ( error_str );
+ return;
+ }
+ }
+
+ /* BUILD UI & GET OPTIONS IF NECESSARY. */
+
+ /* POSSIBILITY 0: NO OPTIONS. DO NOTHING HERE. */
+ /* POSSIBILITY 1: ADD_SETUP_WIDGETS_FUNC */
+ if ( source_interface->add_setup_widgets_func ) {
+ dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
+
+ gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
+ GtkWidget *response_w = NULL;
+#if GTK_CHECK_VERSION (2, 20, 0)
+ response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
+#endif
+
+ source_interface->add_setup_widgets_func(dialog, vvp, user_data);
+ gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
+
+ if ( response_w )
+ gtk_widget_grab_focus ( response_w );
+
+ if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
+ source_interface->cleanup_func(user_data);
+ gtk_widget_destroy(dialog);
+ return;
+ }
+ }
+ /* POSSIBILITY 2: UI BUILDER */
+ else if ( source_interface->params ) {
+ paramdatas = a_uibuilder_run_dialog ( source_interface->window_title, GTK_WINDOW(vw),
+ source_interface->params, source_interface->params_count,
+ source_interface->params_groups, source_interface->params_groups_count,
+ source_interface->params_defaults );
+ if ( paramdatas )
+ pass_along_data = paramdatas;
+ else
+ return; /* TODO: do we have to free anything here? */
+ }
+
+ /* CREATE INPUT DATA & GET COMMAND STRING */
+
+ if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER ) {
+ gchar *name_src = write_tmp_trwlayer ( vtl );
+
+ ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
+ ( pass_along_data, &cmd, &extra, name_src );
- gtk_window_set_title ( GTK_WINDOW(dialog), "Acquire data from GPS" );
+ g_free ( name_src );
+ /* TODO: delete the tmp file? or delete it only after we're done with it? */
+ } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK ) {
+ gchar *name_src = write_tmp_trwlayer ( vtl );
+ gchar *name_src_track = write_tmp_track ( track );
- gtk_widget_show ( status );
- gtk_widget_show ( gpslabel );
- gtk_widget_show ( dialog );
+ ((VikDataSourceGetCmdStringFuncWithInputInput) source_interface->get_cmd_string_func)
+ ( pass_along_data, &cmd, &extra, name_src, name_src_track );
+
+ g_free ( name_src );
+ g_free ( name_src_track );
+ } else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRACK ) {
+ gchar *name_src_track = write_tmp_track ( track );
+
+ ((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
+ ( pass_along_data, &cmd, &extra, name_src_track );
+
+ g_free ( name_src_track );
+ } else if ( source_interface->get_cmd_string_func )
+ source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra, &options );
+
+ /* Get data for Off command */
+ if ( source_interface->off_func ) {
+ source_interface->off_func ( pass_along_data, &cmd_off, &extra_off );
+ }
+
+ /* cleanup for option dialogs */
+ if ( source_interface->add_setup_widgets_func ) {
+ gtk_widget_destroy(dialog);
+ dialog = NULL;
+ } else if ( source_interface->params ) {
+ a_uibuilder_free_paramdatas ( paramdatas, source_interface->params, source_interface->params_count );
+ }
+
+ w = g_malloc(sizeof(*w));
+ wi = g_malloc(sizeof(*wi));
+ wi->w = w;
+ wi->w->source_interface = source_interface;
+ wi->cmd = cmd;
+ wi->extra = extra; /* usually input data type (?) */
+ wi->options = options;
+ wi->vtl = vtl;
+ wi->creating_new_layer = (!vtl);
+
+ dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
+ gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE );
+ gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
w->dialog = dialog;
+ w->running = TRUE;
+ status = gtk_label_new (_("Working..."));
+ gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 );
+ gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
+ // May not want to see the dialog at all
+ if ( source_interface->is_thread || source_interface->keep_dialog_open )
+ gtk_widget_show_all(dialog);
w->status = status;
- w->gps_label = gpslabel;
- w->id_label = idlabel;
- w->ver_label = verlabel;
- w->progress_label = w->wp_label = wplabel;
- w->trk_label = trklabel;
+
w->vw = vw;
w->vlp = vlp;
w->vvp = vvp;
- w->ok = TRUE;
- g_thread_create((GThreadFunc)get_from_gps, w, FALSE, NULL );
+ if ( source_interface->add_progress_widgets_func ) {
+ source_interface->add_progress_widgets_func ( dialog, user_data );
+ }
+ w->user_data = user_data;
+
+ if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) {
+ VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp );
+ if ( IS_VIK_TRW_LAYER(current_selected) ) {
+ wi->vtl = VIK_TRW_LAYER(current_selected);
+ wi->creating_new_layer = FALSE;
+ }
+ }
+ if ( wi->creating_new_layer ) {
+ wi->vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) );
+ vik_layer_rename ( VIK_LAYER ( wi->vtl ), _(source_interface->layer_title) );
+ }
- gtk_dialog_run ( GTK_DIALOG(dialog) );
- w->ok = FALSE;
+ if ( source_interface->is_thread ) {
+ if ( cmd ) {
+ g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL );
+ gtk_dialog_run ( GTK_DIALOG(dialog) );
+ if (w->running) {
+ w->running = FALSE;
+ } else {
+ if ( cmd_off ) {
+ /* Turn off */
+ a_babel_convert_from (NULL, cmd_off, extra_off, NULL, NULL, NULL);
+ g_free ( cmd_off );
+ }
+ if ( extra_off )
+ g_free ( extra_off );
+ }
+ }
+ else {
+ // This shouldn't happen...
+ gtk_label_set_text ( GTK_LABEL(w->status), _("Unable to create command\nAcquire method failed.") );
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ goto end;
+ }
+ }
+ else {
+ // bypass thread method malarkly - you'll just have to wait...
+ if ( source_interface->process_func ) {
+ gboolean result = source_interface->process_func ( wi->vtl, cmd, extra, (BabelStatusFunc) progress_func, w, options );
+ if ( !result )
+ a_dialog_msg ( GTK_WINDOW(vw), GTK_MESSAGE_ERROR, _("Error: acquisition failed."), NULL );
+ }
+ g_free ( cmd );
+ g_free ( extra );
+ g_free ( options );
+
+ on_complete_process ( wi );
+ // Actually show it if necessary
+ if ( wi->w->source_interface->keep_dialog_open )
+ gtk_dialog_run ( GTK_DIALOG(dialog) );
+ }
+
+ end:
gtk_widget_destroy ( dialog );
+ g_free ( w );
+ g_free ( wi );
+}
+
+/**
+ * a_acquire:
+ *
+ * Process the given VikDataSourceInterface for sources with no input data.
+ */
+void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface ) {
+ acquire ( vw, vlp, vvp, source_interface, NULL, NULL );
+}
+
+static void acquire_trwlayer_callback ( GObject *menuitem, gpointer *pass_along )
+{
+ VikDataSourceInterface *iface = g_object_get_data ( menuitem, "vik_acq_iface" );
+ VikWindow *vw = pass_along[0];
+ VikLayersPanel *vlp = pass_along[1];
+ VikViewport *vvp = pass_along[2];
+ VikTrwLayer *vtl = pass_along[3];
+ VikTrack *tr = pass_along[4];
+
+ acquire ( vw, vlp, vvp, iface, vtl, tr );
+}
+
+static GtkWidget *acquire_build_menu ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp,
+ VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
+ const gchar *menu_title, vik_datasource_inputtype_t inputtype )
+{
+ static gpointer pass_along[5];
+ GtkWidget *menu_item=NULL, *menu=NULL;
+ GtkWidget *item=NULL;
+ int i;
+
+ pass_along[0] = vw;
+ pass_along[1] = vlp;
+ pass_along[2] = vvp;
+ pass_along[3] = vtl;
+ pass_along[4] = track;
+
+ for ( i = 0; i < N_FILTERS; i++ ) {
+ if ( filters[i]->inputtype == inputtype ) {
+ if ( ! menu_item ) { /* do this just once, but return NULL if no filters */
+ menu = gtk_menu_new();
+ menu_item = gtk_menu_item_new_with_mnemonic ( menu_title );
+ gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), menu );
+ }
+
+ item = gtk_menu_item_new_with_label ( filters[i]->window_title );
+ g_object_set_data ( G_OBJECT(item), "vik_acq_iface", (gpointer) filters[i] );
+ g_signal_connect ( G_OBJECT(item), "activate", G_CALLBACK(acquire_trwlayer_callback), pass_along );
+ gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
+ gtk_widget_show ( item );
+ }
+ }
+
+ return menu_item;
+}
+
+/**
+ * a_acquire_trwlayer_menu:
+ *
+ * Create a sub menu intended for rightclicking on a TRWLayer's menu called "Filter".
+ *
+ * Returns: %NULL if no filters.
+ */
+GtkWidget *a_acquire_trwlayer_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
+{
+ return acquire_build_menu ( vw, vlp, vvp, vtl, NULL, _("_Filter"), VIK_DATASOURCE_INPUTTYPE_TRWLAYER );
+}
+
+/**
+ * a_acquire_trwlayer_track_menu:
+ *
+ * Create a sub menu intended for rightclicking on a TRWLayer's menu called "Filter with Track "TRACKNAME"...".
+ *
+ * Returns: %NULL if no filters or no filter track has been set.
+ */
+GtkWidget *a_acquire_trwlayer_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
+{
+ if ( filter_track == NULL )
+ return NULL;
+ else {
+ gchar *menu_title = g_strdup_printf ( _("Filter with %s"), filter_track->name );
+ GtkWidget *rv = acquire_build_menu ( vw, vlp, vvp, vtl, filter_track,
+ menu_title, VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK );
+ g_free ( menu_title );
+ return rv;
+ }
+}
+
+/**
+ * a_acquire_track_menu:
+ *
+ * Create a sub menu intended for rightclicking on a track's menu called "Filter".
+ *
+ * Returns: %NULL if no applicable filters
+ */
+GtkWidget *a_acquire_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrack *tr)
+{
+ return acquire_build_menu ( vw, vlp, vvp, NULL, tr, _("Filter"), VIK_DATASOURCE_INPUTTYPE_TRACK );
+}
+
+/**
+ * a_acquire_set_filter_track:
+ *
+ * Sets application-wide track to use with filter. references the track.
+ */
+void a_acquire_set_filter_track ( VikTrack *tr )
+{
+ if ( filter_track )
+ vik_track_free ( filter_track );
+
+ filter_track = tr;
+ vik_track_ref ( tr );
}
projects / andy / viking.git / blobdiff