+static void draw_graph_mark(GtkWidget *image, gdouble event_x, gint img_width, GdkGC *gc, PropSaved *saved_img)
+{
+ GdkPixmap *pix;
+ const int saved_width = 5;
+ /* the pixmap = margin + graph area */
+ gdouble x = event_x - img_width/2 + PROFILE_WIDTH/2 + MARGIN/2;
+
+ fprintf(stderr, "event_x=%f img_width=%d x=%f\n", event_x, img_width, x);
+
+ gtk_image_get_pixmap(GTK_IMAGE(image), &pix, NULL);
+ if (saved_img->saved) {
+ gdk_draw_image(GDK_DRAWABLE(pix), gc, saved_img->img, 0, 0,
+ saved_img->pos, 0, -1, -1);
+ saved_img->saved = FALSE;
+ gtk_widget_queue_draw_area(image,
+ saved_img->pos + img_width/2 - PROFILE_WIDTH/2 - MARGIN/2, 0,
+ saved_img->img->width, saved_img->img->height);
+ }
+ if ((x >= MARGIN) && (x < (PROFILE_WIDTH + MARGIN))) {
+ if (saved_img->img)
+ gdk_drawable_copy_to_image(GDK_DRAWABLE(pix), saved_img->img,
+ x - (saved_width/2), 0, 0, 0, saved_img->img->width, saved_img->img->height);
+ else
+ saved_img->img = gdk_drawable_copy_to_image(GDK_DRAWABLE(pix),
+ saved_img->img, x - (saved_width/2), 0, 0, 0, saved_width, PROFILE_HEIGHT);
+ saved_img->pos = x - (saved_width/2);
+ saved_img->saved = TRUE;
+ gdk_draw_line (GDK_DRAWABLE(pix), gc, x, 0, x, image->allocation.height);
+ /* redraw the area which contains the line, saved_width is just convenient */
+ gtk_widget_queue_draw_area(image, event_x - saved_width/2, 0, saved_width, PROFILE_HEIGHT);
+ }
+}
+
+static void track_graph_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along, gboolean is_vt_graph )
+{
+ VikTrack *tr = pass_along[0];
+ VikLayersPanel *vlp = pass_along[1];
+ PropWidgets *widgets = pass_along[2];
+ GList *child = gtk_container_get_children(GTK_CONTAINER(event_box));
+ GtkWidget *image = GTK_WIDGET(child->data);
+ GtkWidget *window = gtk_widget_get_toplevel(GTK_WIDGET(event_box));
+
+
+ set_center_at_graph_position(event->x, event_box->allocation.width, vlp, tr, is_vt_graph);
+ draw_graph_mark(image, event->x, event_box->allocation.width, window->style->black_gc,
+ is_vt_graph ? &widgets->speed_graph_saved_img : &widgets->elev_graph_saved_img);
+ g_list_free(child);
+
+}
+
+static gboolean track_profile_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+{
+ track_graph_click(event_box, event, pass_along, FALSE);
+ return TRUE; /* don't call other (further) callbacks */
+}
+
+static gboolean track_vt_click( GtkWidget *event_box, GdkEventButton *event, gpointer *pass_along )
+{
+ track_graph_click(event_box, event, pass_along, TRUE);
+ return TRUE; /* don't call other (further) callbacks */
+}
+
+void track_profile_move( GtkWidget *image, GdkEventMotion *event, gpointer *pass_along )
+{
+ VikTrack *tr = pass_along[0];
+ PropWidgets *widgets = pass_along[2];
+ int mouse_x, mouse_y;
+ GdkModifierType state;
+
+ if (event->is_hint)
+ gdk_window_get_pointer (event->window, &mouse_x, &mouse_y, &state);
+ else
+ mouse_x = event->x;
+
+ gdouble x = mouse_x - image->allocation.width / 2 + PROFILE_WIDTH / 2 - MARGIN / 2;
+ if (x < 0)
+ x = 0;
+ if (x > PROFILE_WIDTH)
+ x = PROFILE_WIDTH;
+
+ gdouble meters_from_start;
+ VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_dist ( tr, (gdouble) x / PROFILE_WIDTH, &meters_from_start );
+ if (trackpoint && widgets->w_dist_time) {
+ static gchar tmp_buf[20];
+ g_snprintf(tmp_buf, sizeof(tmp_buf), "%.0f m", meters_from_start);
+ gtk_label_set_text(GTK_LABEL(widgets->w_dist_time), tmp_buf);
+ }
+}
+
+void track_vt_move( GtkWidget *image, GdkEventMotion *event, gpointer *pass_along )
+{
+ VikTrack *tr = pass_along[0];
+ PropWidgets *widgets = pass_along[2];
+ int mouse_x, mouse_y;
+ GdkModifierType state;
+
+ if (event->is_hint)
+ gdk_window_get_pointer (event->window, &mouse_x, &mouse_y, &state);
+ else
+ mouse_x = event->x;
+
+ gdouble x = mouse_x - image->allocation.width / 2 + PROFILE_WIDTH / 2 - MARGIN / 2;
+ if (x < 0)
+ x = 0;
+ if (x > PROFILE_WIDTH)
+ x = PROFILE_WIDTH;
+
+ time_t seconds_from_start;
+ VikTrackpoint *trackpoint = vik_track_get_closest_tp_by_percentage_time ( tr, (gdouble) x / PROFILE_WIDTH, &seconds_from_start );
+ if (trackpoint && widgets->w_dist_time) {
+ static gchar tmp_buf[20];
+ guint h, m, s;
+ h = seconds_from_start/3600;
+ m = (seconds_from_start - h*3600)/60;
+ s = seconds_from_start - (3600*h) - (60*m);
+ g_snprintf(tmp_buf, sizeof(tmp_buf), "%02d:%02d:%02d", h, m, s);
+
+ gtk_label_set_text(GTK_LABEL(widgets->w_dist_time), tmp_buf);
+ }
+}
+
+static void draw_dem_alt_speed_dist(VikTrack *tr, GdkDrawable *pix, GdkGC *alt_gc, GdkGC *speed_gc, gdouble alt_offset, gdouble alt_diff, gint width, gint height, gint margin)
+{
+ GList *iter;
+ gdouble dist = 0;
+ gdouble max_speed = 0;
+ gdouble total_length = vik_track_get_length_including_gaps(tr);
+
+ for (iter = tr->trackpoints->next; iter; iter = iter->next) {
+ if (!isnan(VIK_TRACKPOINT(iter->data)->speed))
+ max_speed = MAX(max_speed, VIK_TRACKPOINT(iter->data)->speed);
+ }
+ max_speed = max_speed * 110 / 100;
+
+ for (iter = tr->trackpoints->next; iter; iter = iter->next) {
+ int x, y_alt, y_speed;
+ gint16 elev = a_dems_get_elev_by_coord(&(VIK_TRACKPOINT(iter->data)->coord), VIK_DEM_INTERPOL_BEST);
+ elev -= alt_offset;
+ dist += vik_coord_diff ( &(VIK_TRACKPOINT(iter->data)->coord),
+ &(VIK_TRACKPOINT(iter->prev->data)->coord) );
+ x = (width * dist)/total_length + margin;
+ if ( elev != VIK_DEM_INVALID_ELEVATION ) {
+ y_alt = height - ((height * elev)/alt_diff);
+ gdk_draw_rectangle(GDK_DRAWABLE(pix), alt_gc, TRUE, x-2, y_alt-2, 4, 4);
+ }
+ if (!isnan(VIK_TRACKPOINT(iter->data)->speed)) {
+ y_speed = height - (height * VIK_TRACKPOINT(iter->data)->speed)/max_speed;
+ gdk_draw_rectangle(GDK_DRAWABLE(pix), speed_gc, TRUE, x-2, y_speed-2, 4, 4);
+ }
+ }
+}
+
+GtkWidget *vik_trw_layer_create_profile ( GtkWidget *window, VikTrack *tr, gpointer vlp, PropWidgets *widgets, gdouble *min_alt, gdouble *max_alt)
projects / andy / viking.git / blobdiff