2 * This file is part of mapper
4 * Copyright (C) 2007 Kaj-Michael Lang
5 * Copyright (C) 2006-2007 John Costigan.
7 * POI and GPS-Info code originally written by Cezary Jackiewicz.
9 * Default map data provided by http://www.openstreetmap.org/
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write to the Free Software Foundation, Inc.,
23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
38 #include <glib/gstdio.h>
44 #include "hildon-mapper.h"
56 #include "mapper-types.h"
57 #include "ui-common.h"
63 #include "map-download.h"
64 #include "announcements.h"
65 #include "gtkcompass.h"
67 #define DEBUG_MAP_TIME 1
69 /** The "base tile" is the upper-left tile in the pixmap. */
70 guint _base_tilex = -5;
71 guint _base_tiley = -5;
73 guint _zoom = 3; /* zoom level, from 0 to MAX_ZOOM. */
75 Point _min_center = { -1, -1 };
76 Point _max_center = { -1, -1 };
77 Point _focus = { -1, -1 };
78 Point _center = { -1, -1 }; /* current center location, X. */
80 CenterMode _center_mode = CENTER_LEAD;
83 static guint press[2] = { 0, 0 };
84 static guint release[2] = { 0, 0 };
85 static guint before[2] = { 0, 0 };
86 static guint map_drag_id = 0;
88 /** VARIABLES FOR ACCESSING THE LOCATION/BOUNDS OF THE CURRENT MARK. */
93 static gint mark_minx;
94 static gint mark_miny;
95 static gint mark_width;
96 static gint mark_height;
98 static GdkRectangle scale_rect;
99 static PangoContext *scale_context;
100 static PangoFontDescription *scale_font;
101 static PangoLayout *scale_layout;
103 static GdkGC *speed_gc1;
104 static GdkGC *speed_gc2;
105 static PangoContext *speed_context;
106 static PangoLayout *speed_layout;
107 static PangoFontDescription *speed_fontdesc;
109 static gint zoom_timeout_sid=0;
110 static gint map_mode=0;
111 static gboolean map_data_needs_refresh=FALSE;
113 static osm_location map_loc = {NULL, NULL, NULL, FALSE, FALSE, 0, 0, 0.0, 0.0, 0 };
115 static GTimer *map_timer;
117 /* Tile max age, 1 week */
118 #define TILE_MAX_AGE (604800)
120 #define KM10KNOTS (5.39956803)
122 void map_render_paths();
123 void map_force_redraw();
124 void map_draw_position_icon(Position *pos);
126 static void map_update_location(gdouble lat, gdouble lon, gboolean force);
127 static void map_speed_draw(void);
128 static gboolean map_cb_after_realize(GtkWidget *map_widget, gpointer data);
129 static gboolean map_cb_configure(GtkWidget *widget, GdkEventConfigure *event);
130 static gboolean map_cb_expose(GtkWidget * widget, GdkEventExpose * event);
131 static gboolean map_cb_button_press(GtkWidget * widget, GdkEventButton * event);
132 static gboolean map_cb_button_release(GtkWidget * widget, GdkEventButton * event);
133 static gboolean map_cb_scroll_event(GtkWidget * widget, GdkEventScroll * event);
135 /******************************************************************************/
140 GtkWidget *map_widget;
142 map_widget=gtk_drawing_area_new();
143 g_signal_connect_after(G_OBJECT(map_widget), "realize", G_CALLBACK(map_cb_after_realize), NULL);
144 g_signal_connect(G_OBJECT(map_widget), "configure_event", G_CALLBACK(map_cb_configure), NULL);
145 map_timer=g_timer_new();
150 map_cb_after_realize(GtkWidget *map_widget, gpointer data)
154 _map_pixmap=gdk_pixmap_new(map_widget->window, BUF_WIDTH_PIXELS, BUF_HEIGHT_PIXELS, -1);
156 scale_context=gtk_widget_get_pango_context(map_widget);
157 scale_layout=pango_layout_new(scale_context);
158 scale_font=pango_font_description_new();
159 pango_font_description_set_size(scale_font, 12 * PANGO_SCALE);
160 pango_layout_set_font_description(scale_layout, scale_font);
163 speed_gc1=gdk_gc_new(map_widget->window);
167 gdk_gc_set_rgb_fg_color(speed_gc1, &color);
171 speed_gc2=gdk_gc_new(map_widget->window);
172 gdk_gc_set_rgb_fg_color(speed_gc2, &color);
173 speed_context=gtk_widget_get_pango_context(map_widget);
174 speed_layout=pango_layout_new(speed_context);
175 speed_fontdesc=pango_font_description_new();
176 pango_font_description_set_size(speed_fontdesc, 48 * PANGO_SCALE);
177 pango_layout_set_font_description(speed_layout, speed_fontdesc);
178 pango_layout_set_alignment(speed_layout, PANGO_ALIGN_CENTER);
181 g_signal_connect(G_OBJECT(map_widget), "expose_event", G_CALLBACK(map_cb_expose), NULL);
182 g_signal_connect(G_OBJECT(map_widget), "button_press_event", G_CALLBACK(map_cb_button_press), NULL);
183 g_signal_connect(G_OBJECT(map_widget), "button_release_event",G_CALLBACK(map_cb_button_release), NULL);
184 g_signal_connect(G_OBJECT(map_widget), "scroll_event", G_CALLBACK(map_cb_scroll_event), NULL);
186 gtk_widget_add_events(map_widget, GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
187 | GDK_LEAVE_NOTIFY_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK);
189 map_poi_init(map_widget);
195 map_cb_configure(GtkWidget *widget, GdkEventConfigure *event)
198 _screen_width_pixels = _map_widget->allocation.width;
199 _screen_height_pixels = _map_widget->allocation.height;
200 _screen_grids_halfwidth = pixel2grid(_screen_width_pixels) / 2;
201 _screen_grids_halfheight = pixel2grid(_screen_height_pixels) / 2;
203 /* Set scale_rect. */
204 scale_rect.x = (_screen_width_pixels - SCALE_WIDTH) / 2;
205 scale_rect.width = SCALE_WIDTH;
207 MACRO_RECALC_FOCUS_BASE();
208 MACRO_RECALC_FOCUS_SIZE();
210 _min_center.unitx = pixel2unit(grid2pixel(_screen_grids_halfwidth));
211 _min_center.unity = pixel2unit(grid2pixel(_screen_grids_halfheight));
212 _max_center.unitx = WORLD_SIZE_UNITS - grid2unit(_screen_grids_halfwidth) - 1;
213 _max_center.unity = WORLD_SIZE_UNITS - grid2unit(_screen_grids_halfheight) - 1;
219 * Draw the current mark (representing the current GPS location) onto
220 * _map_widget. This method does not queue the draw area.
225 gdk_draw_arc(_map_widget->window, _conn_state == RCVR_FIXED ? _gc[COLORABLE_MARK] : _gc[COLORABLE_MARK_OLD], FALSE,
226 mark_x1 - _draw_width, mark_y1 - _draw_width, 2 * _draw_width, 2 * _draw_width, 0, 360 * 64);
227 gdk_draw_line(_map_widget->window, _conn_state == RCVR_FIXED ? (_show_velvec ? _gc[COLORABLE_MARK_VELOCITY] : _gc[COLORABLE_MARK]) : _gc[COLORABLE_MARK_OLD],
228 mark_x1, mark_y1, mark_x2, mark_y2);
232 * "Set" the mark, which translates the current GPS position into on-screen
233 * units in preparation for drawing the mark with map_draw_mark().
238 mark_x1 = unit2x(_pos.unitx);
239 mark_y1 = unit2y(_pos.unity);
240 mark_x2 = mark_x1 + (_show_velvec ? _gps.vel_offsetx : 0);
241 mark_y2 = mark_y1 + (_show_velvec ? _gps.vel_offsety : 0);
242 mark_minx = MIN(mark_x1, mark_x2) - (2 * _draw_width);
243 mark_miny = MIN(mark_y1, mark_y2) - (2 * _draw_width);
244 mark_width = abs(mark_x1 - mark_x2) + (4 * _draw_width);
245 mark_height = abs(mark_y1 - mark_y2) + (4 * _draw_width);
249 * Do an in-place scaling of a pixbuf's pixels at the given ratio from the
250 * given source location. It would have been nice if gdk_pixbuf provided
251 * this method, but I guess it's not general-purpose enough.
254 map_pixbuf_scale_inplace(GdkPixbuf * pixbuf, guint ratio_p2, guint src_x, guint src_y)
256 guint dest_x = 0, dest_y = 0, dest_dim = TILE_SIZE_PIXELS;
257 guint rowstride = gdk_pixbuf_get_rowstride(pixbuf);
258 guint n_channels = gdk_pixbuf_get_n_channels(pixbuf);
259 guchar *pixels = gdk_pixbuf_get_pixels(pixbuf);
261 /* Sweep through the entire dest area, copying as necessary, but
262 * DO NOT OVERWRITE THE SOURCE AREA. We'll copy it afterward. */
264 guint src_dim = dest_dim >> ratio_p2;
265 guint src_endx = src_x - dest_x + src_dim;
268 for (y = dest_dim - 1; y >= 0; y--) {
269 guint src_offset_y, dest_offset_y;
271 src_offset_y = (src_y + (y >> ratio_p2)) * rowstride;
272 dest_offset_y = (dest_y + y) * rowstride;
275 if ((unsigned)(dest_y + y - src_y) < src_dim && (unsigned)(dest_x + x - src_x) < src_dim)
278 for (; x >= 0; x--) {
279 guint src_offset, dest_offset, i;
281 src_offset = src_offset_y + (src_x + (x >> ratio_p2)) * n_channels;
282 dest_offset = dest_offset_y + (dest_x + x) * n_channels;
284 pixels[dest_offset] = pixels[src_offset];
285 for (i = n_channels - 1; i; i--)
286 pixels[dest_offset + i] = pixels[src_offset + i];
288 if ((unsigned)(dest_y + y - src_y) < src_dim && x == src_endx)
293 /* Reuse src_dim and src_endx to store new src_x and src_y. */
294 src_dim = src_x + ((src_x - dest_x) >> ratio_p2);
295 src_endx = src_y + ((src_y - dest_y) >> ratio_p2);
301 while ((dest_dim >>= ratio_p2) > 1);
305 * Trim pixbufs that are bigger than tiles. (Those pixbufs result, when
306 * captions should be cut off.)
309 pixbuf_trim(GdkPixbuf * pixbuf)
311 GdkPixbuf *mpixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(pixbuf),
312 8, TILE_SIZE_PIXELS, TILE_SIZE_PIXELS);
314 gdk_pixbuf_copy_area(pixbuf,
315 (gdk_pixbuf_get_width(pixbuf) - TILE_SIZE_PIXELS) / 2,
316 (gdk_pixbuf_get_height(pixbuf) - TILE_SIZE_PIXELS) / 2,
318 TILE_SIZE_PIXELS, mpixbuf, 0, 0);
320 g_object_unref(pixbuf);
325 map_tile_load(guint tilex, guint tiley, gint zoff, gboolean download)
328 GError *error = NULL;
329 gchar buffer[BUFFER_SIZE];
333 g_snprintf(buffer, sizeof(buffer), "%s/%u/%u/%u.jpg", _curr_repo->cache_dir, _zoom + zoff, (tilex >> zoff), (tiley >> zoff));
335 pixbuf=gdk_pixbuf_new_from_file(buffer, &error);
336 if (error || !pixbuf) {
339 if (_auto_download && _curr_repo->type != REPOTYPE_NONE && !((_zoom + zoff - (_curr_repo->double_size ? 1 : 0)) % _curr_repo->dl_zoom_steps)) {
341 map_initiate_download(tilex >> zoff, tiley >> zoff, _zoom + zoff, -INITIAL_DOWNLOAD_RETRIES);
347 /* Check tile age, if file date is ower a week old, redownload if autodownload enabled */
348 se=stat(buffer, &tstat);
352 if (t-tstat.st_mtime>TILE_MAX_AGE) {
353 if (_auto_download && _curr_repo->type != REPOTYPE_NONE && !((_zoom + zoff - (_curr_repo->double_size ? 1 : 0)) % _curr_repo->dl_zoom_steps)) {
355 g_printf("Tile: %s is old, re-downloading\n", buffer);
356 map_initiate_download(tilex >> zoff, tiley >> zoff, _zoom + zoff, -INITIAL_DOWNLOAD_RETRIES);
366 map_render_tile(guint tilex, guint tiley, guint destx, guint desty, gboolean fast_fail)
368 GdkPixbuf *pixbuf=NULL;
371 if (tilex<_world_size_tiles && tiley<_world_size_tiles) {
372 /* The tile is possible. */
373 for (zoff = (_curr_repo->double_size ? 1 : 0); !pixbuf && (_zoom + zoff) <= MAX_ZOOM && zoff <= TILE_SIZE_P2; zoff += 1) {
374 pixbuf=map_tile_load(tilex, tiley, zoff, !fast_fail);
379 /* Check if we need to trim. */
380 if (gdk_pixbuf_get_width(pixbuf) != TILE_SIZE_PIXELS || gdk_pixbuf_get_height(pixbuf) != TILE_SIZE_PIXELS)
381 pixbuf = pixbuf_trim(pixbuf);
383 /* Check if we need to blit. */
385 map_pixbuf_scale_inplace(pixbuf, zoff,
386 (tilex - ((tilex >> zoff) << zoff)) << (TILE_SIZE_P2 - zoff),
387 (tiley - ((tiley >> zoff) << zoff)) << (TILE_SIZE_P2 - zoff));
394 gdk_draw_pixbuf(_map_pixmap, _gc[COLORABLE_MARK], pixbuf, 0, 0, destx, desty, TILE_SIZE_PIXELS, TILE_SIZE_PIXELS, GDK_RGB_DITHER_NONE, 0, 0);
395 g_object_unref(pixbuf);
398 gdk_draw_rectangle(_map_pixmap, _map_widget->style->black_gc, TRUE, destx, desty, TILE_SIZE_PIXELS, TILE_SIZE_PIXELS);
402 map_render_data(void)
404 /* Don't update if dragging, too much lag */
409 map_draw_position_icon(&_home);
411 map_render_all_pois();
417 * Force a redraw of the entire _map_pixmap, including fetching the
418 * background maps from disk and redrawing the tracks on top of them.
421 map_force_redraw(void)
424 #ifdef DEBUG_MAP_TIME
427 g_timer_start(map_timer);
429 for (new_y = 0; new_y < BUF_HEIGHT_TILES; ++new_y)
430 for (new_x = 0; new_x < BUF_WIDTH_TILES; ++new_x) {
431 map_render_tile(_base_tilex + new_x,
433 new_x * TILE_SIZE_PIXELS,
434 new_y * TILE_SIZE_PIXELS, FALSE);
436 #ifdef DEBUG_MAP_TIME
437 g_timer_stop(map_timer);
438 g_printf("Full redraw: %f sec\n", g_timer_elapsed(map_timer, &tms));
441 MACRO_QUEUE_DRAW_AREA();
445 * Set the current zoom level. If the given zoom level is the same as the
446 * current zoom level, or if the new zoom is invalid
447 * (not MIN_ZOOM <= new_zoom < MAX_ZOOM), then this method does nothing.
450 map_set_zoom(guint new_zoom)
452 /* Note that, since new_zoom is a guint and MIN_ZOOM is 0, this if
453 * condition also checks for new_zoom >= MIN_ZOOM. */
454 if (new_zoom > (MAX_ZOOM - 1))
456 if (new_zoom == _zoom)
459 _zoom = new_zoom / _curr_repo->view_zoom_steps * _curr_repo->view_zoom_steps;
460 _world_size_tiles = unit2tile(WORLD_SIZE_UNITS);
462 /* If we're leading, update the center to reflect new zoom level. */
463 MACRO_RECALC_CENTER(_center.unitx, _center.unity);
465 /* Update center bounds to reflect new zoom level. */
466 _min_center.unitx = pixel2unit(grid2pixel(_screen_grids_halfwidth));
467 _min_center.unity = pixel2unit(grid2pixel(_screen_grids_halfheight));
468 _max_center.unitx = WORLD_SIZE_UNITS - grid2unit(_screen_grids_halfwidth) - 1;
469 _max_center.unity = WORLD_SIZE_UNITS - grid2unit(_screen_grids_halfheight) - 1;
471 BOUND(_center.unitx, _min_center.unitx, _max_center.unitx);
472 BOUND(_center.unity, _min_center.unity, _max_center.unity);
474 _base_tilex = grid2tile((gint) pixel2grid((gint) unit2pixel((gint) _center.unitx)) - (gint) _screen_grids_halfwidth);
475 _base_tiley = grid2tile(pixel2grid(unit2pixel(_center.unity)) - _screen_grids_halfheight);
477 /* New zoom level, so we can't reuse the old buffer's pixels. */
478 /* Update state variables. */
479 MACRO_RECALC_OFFSET();
480 MACRO_RECALC_FOCUS_BASE();
481 MACRO_RECALC_FOCUS_SIZE();
488 * Center the view on the given unitx/unity.
491 map_center_unit(guint new_center_unitx, guint new_center_unity)
493 gint new_base_tilex, new_base_tiley;
495 guint j, k, base_new_x, base_old_x, old_x, old_y, iox, ioy;
497 /* Assure that _center.unitx/y are bounded. */
498 BOUND(new_center_unitx, _min_center.unitx, _max_center.unitx);
499 BOUND(new_center_unity, _min_center.unity, _max_center.unity);
501 _center.unitx = new_center_unitx;
502 _center.unity = new_center_unity;
504 new_base_tilex = grid2tile((gint) pixel2grid((gint)unit2pixel((gint) _center.unitx)) - (gint)_screen_grids_halfwidth);
505 new_base_tiley = grid2tile(pixel2grid(unit2pixel(_center.unity)) - _screen_grids_halfheight);
507 /* Same zoom level, so it's likely that we can reuse some of the old
508 * buffer's pixels. */
510 if (new_base_tilex != _base_tilex || new_base_tiley != _base_tiley) {
511 /* If copying from old parts to new parts, we need to make sure we
512 * don't overwrite the old parts when copying, so set up new_x,
513 * new_y, old_x, old_y, iox, and ioy with that in mind. */
514 if (new_base_tiley < _base_tiley) {
515 /* New is lower than old - start at bottom and go up. */
516 new_y = BUF_HEIGHT_TILES - 1;
519 /* New is higher than old - start at top and go down. */
523 if (new_base_tilex < _base_tilex) {
524 /* New is righter than old - start at right and go left. */
525 base_new_x = BUF_WIDTH_TILES - 1;
528 /* New is lefter than old - start at left and go right. */
533 /* Iterate over the y tile values. */
534 old_y = new_y + new_base_tiley - _base_tiley;
535 base_old_x = base_new_x + new_base_tilex - _base_tilex;
536 _base_tilex = new_base_tilex;
537 _base_tiley = new_base_tiley;
538 for (j = 0; j < BUF_HEIGHT_TILES; ++j, new_y += ioy, old_y += ioy) {
541 /* Iterate over the x tile values. */
542 for (k = 0; k < BUF_WIDTH_TILES; ++k, new_x += iox, old_x += iox) {
543 /* Can we get this grid block from the old buffer?. */
544 if (old_x >= 0 && old_x < BUF_WIDTH_TILES && old_y >= 0 && old_y < BUF_HEIGHT_TILES) {
545 /* Copy from old buffer to new buffer. */
546 gdk_draw_drawable(_map_pixmap,
549 old_x * TILE_SIZE_PIXELS,
550 old_y * TILE_SIZE_PIXELS,
551 new_x * TILE_SIZE_PIXELS,
552 new_y * TILE_SIZE_PIXELS,
556 map_render_tile(new_base_tilex + new_x,
557 new_base_tiley + new_y,
558 new_x * TILE_SIZE_PIXELS,
559 new_y * TILE_SIZE_PIXELS,
567 MACRO_RECALC_OFFSET();
568 MACRO_RECALC_FOCUS_BASE();
571 MACRO_QUEUE_DRAW_AREA();
575 * Pan the view by the given number of units in the X and Y directions.
578 map_pan(gint delta_unitx, gint delta_unity)
580 if (_center_mode > 0)
581 set_action_activate("autocenter_none", TRUE);
583 map_center_unit(_center.unitx + delta_unitx, _center.unity + delta_unity);
587 * Helper to center map on given lat/lon
590 map_center_latlon(gdouble lat, gdouble lon)
594 latlon2unit(lat, lon, unitx, unity);
595 map_center_unit(unitx, unity);
599 * Helper to goto given point and update location
603 map_goto_position(Position *pos)
605 if (pos->valid==FALSE)
608 _center_mode=CENTER_MANUAL;
609 map_center_latlon(pos->lat, pos->lon);
610 map_set_autozoom(FALSE);
611 g_idle_add_full(G_PRIORITY_HIGH_IDLE,(GSourceFunc)map_update_location_from_center, NULL, NULL);
616 * Initiate a move of the mark from the old location to the current
617 * location. This function queues the draw area of the old mark (to force
618 * drawing of the background map), then updates the mark, then queus the
619 * draw area of the new mark.
624 /* Just queue the old and new draw areas. */
625 gtk_widget_queue_draw_area(_map_widget,
626 mark_minx<0 ? 0 : mark_minx,
627 mark_miny<0 ? 0 : mark_miny,
628 mark_width, mark_height);
630 gtk_widget_queue_draw_area(_map_widget,
631 mark_minx<0 ? 0 : mark_minx,
632 mark_miny<0 ? 0 : mark_miny,
633 mark_width, mark_height);
637 map_update_location_from_gps(void)
639 map_update_location(_gps.lat, _gps.lon, FALSE);
644 map_update_location_from_center(void)
647 /* Force re-validation of place if user is clicking around */
649 /* XXX: hmm, not the right place for this */
651 _pos.unitx=_center.unitx;
652 _pos.unity=_center.unity;
653 unit2latlon(_pos.unitx, _pos.unity, _gps.lat, _gps.lon);
655 unit2latlon(_center.unitx, _center.unity, lat, lon);
656 map_update_location(lat, lon, TRUE);
661 * Draw given pixbuf on map, centered on x,y
664 map_draw_pixbuf(guint unitx, guint unity, GdkPixbuf *p)
667 x = unit2bufx(unitx);
668 y = unit2bufy(unity);
670 gdk_draw_pixbuf(_map_pixmap, _gc[COLORABLE_POI],
672 x - gdk_pixbuf_get_width(p) / 2,
673 y - gdk_pixbuf_get_height(p) / 2,
674 -1, -1, GDK_RGB_DITHER_NONE, 0, 0);
678 * Draw an icon on given Position.
680 * XXX: don't hardcode as home.png !
683 map_draw_position_icon(Position *pos)
688 latlon2unit(pos->lat, pos->lon, x, y);
692 if ((x1 > BUF_WIDTH_PIXELS) || (y1 > BUF_HEIGHT_PIXELS))
695 p=gdk_pixbuf_new_from_file(DATADIR "/pixmaps/mapper/home.png", NULL);
697 map_draw_pixbuf(x,y,p);
704 * Make sure the mark is up-to-date. This function triggers a panning of
705 * the view if the mark is appropriately close to the edge of the view.
708 map_refresh_mark(void)
710 guint new_center_unitx;
711 guint new_center_unity;
713 MACRO_RECALC_CENTER(new_center_unitx, new_center_unity);
715 if ((new_center_unitx - _focus.unitx) < _focus_unitwidth && (new_center_unity - _focus.unity) < _focus_unitheight)
716 /* We're not changing the view - just move the mark. */
719 map_center_unit(new_center_unitx, new_center_unity);
721 /* Draw speed info */
726 g_idle_add_full(G_PRIORITY_HIGH_IDLE,(GSourceFunc)map_update_location_from_gps, NULL, NULL);
730 * Render a single track line to _map_pixmap. If either point on the line
731 * is a break (defined as unity == 0), a circle is drawn at the other point.
732 * IT IS AN ERROR FOR BOTH POINTS TO INDICATE A BREAK.
735 map_render_segment(GdkGC * gc_norm, GdkGC * gc_alt, guint unitx1, guint unity1, guint unitx2, guint unity2)
739 x2 = unit2bufx(unitx2);
740 y2 = unit2bufy(unity2);
741 /* Make sure this circle will be visible. */
742 if ((x2 < BUF_WIDTH_PIXELS) && (y2 < BUF_HEIGHT_PIXELS))
743 gdk_draw_arc(_map_pixmap, gc_alt, FALSE, /* FALSE: not filled. */
744 x2 - _draw_width, y2 - _draw_width, 2 * _draw_width, 2 * _draw_width, 0, /* start at 0 degrees. */
746 } else if (!unity2) {
748 x1 = unit2bufx(unitx1);
749 y1 = unit2bufy(unity1);
750 /* Make sure this circle will be visible. */
751 if ((x1 < BUF_WIDTH_PIXELS) && ((unsigned)y1 < BUF_HEIGHT_PIXELS))
752 gdk_draw_arc(_map_pixmap, gc_alt, FALSE, /* FALSE: not filled. */
753 x1 - _draw_width, y1 - _draw_width, 2 * _draw_width, 2 * _draw_width, 0, /* start at 0 degrees. */
757 x1 = unit2bufx(unitx1);
758 y1 = unit2bufy(unity1);
759 x2 = unit2bufx(unitx2);
760 y2 = unit2bufy(unity2);
761 /* Make sure this line could possibly be visible. */
762 if (!((x1 > BUF_WIDTH_PIXELS && x2 > BUF_WIDTH_PIXELS)
763 || (x1 < 0 && x2 < 0)
764 || (y1 > BUF_HEIGHT_PIXELS && y2 > BUF_HEIGHT_PIXELS)
765 || (y1 < 0 && y2 < 0)))
766 gdk_draw_line(_map_pixmap, gc_norm, x1, y1, x2, y2);
771 * Render all track data onto the _map_pixmap. Note that this does not
772 * clear the pixmap of previous track data (use map_force_redraw() for
773 * that), and also note that this method does not queue any redraws, so it
774 * is up to the caller to decide which part of the track really needs to be
778 map_render_path(Path * path, GdkGC ** gc)
783 /* gc is a pointer to the first GC to use (for plain points). (gc + 1)
784 * is a pointer to the GC to use for waypoints, and (gc + 2) is a pointer
785 * to the GC to use for breaks. */
787 /* else there is a route to draw. */
788 for (curr = path->head, wcurr = path->whead; curr++ != path->tail;) {
789 /* Draw the line from (curr - 1) to (curr). */
790 map_render_segment(gc[0], gc[2],
791 curr[-1].unitx, curr[-1].unity, curr->unitx,
794 /* Now, check if curr is a waypoint. */
795 if (wcurr && wcurr <= path->wtail && wcurr->point == curr) {
796 guint x1 = unit2bufx(wcurr->point->unitx);
797 guint y1 = unit2bufy(wcurr->point->unity);
798 if ((x1 < BUF_WIDTH_PIXELS)
799 && (y1 < BUF_HEIGHT_PIXELS)) {
800 gdk_draw_arc(_map_pixmap, gc[1], FALSE, /* FALSE: not filled. */
801 x1 - _draw_width, y1 - _draw_width, 2 * _draw_width, 2 * _draw_width, 0, /* start at 0 degrees. */
810 map_render_paths(void)
812 if ((_show_tracks & ROUTES_MASK) && _route.head != _route.tail) {
813 map_render_path(&_route, _gc + COLORABLE_ROUTE);
815 /* Now, draw the next waypoint on top of all other waypoints. */
817 guint x1 = unit2bufx(_next_way->point->unitx);
818 guint y1 = unit2bufy(_next_way->point->unity);
820 if ((x1 < BUF_WIDTH_PIXELS) && (y1 < BUF_HEIGHT_PIXELS)) {
821 /* Draw the next waypoint as a break. */
822 gdk_draw_arc(_map_pixmap, _gc[COLORABLE_ROUTE_BREAK], FALSE, /* FALSE: not filled. */
823 x1 - _draw_width, y1 - _draw_width, 4 * _draw_width, 4 * _draw_width, 0, /* start at 0 degrees. */
828 if (_show_tracks & TRACKS_MASK)
829 map_render_path(&_track, _gc + COLORABLE_TRACK);
837 map_follow_move_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
839 GdkModifierType state;
844 if (!(event->state & GDK_BUTTON1_MASK))
847 if (event->is_hint) {
848 gdk_window_get_pointer(event->window, &xx, &yy, &state);
849 state = event->state;
853 state = event->state;
856 unitx = x2unit((gint) (xx - before[0]));
857 unity = y2unit((gint) (yy - before[1]));
858 cx = unit2x(_center.unitx);
859 cy = unit2y(_center.unity);
861 map_center_unit(x2unit((gint) (cx - (xx - before[0]))), y2unit((gint) (cy - (yy - before[1]))));
862 map_data_needs_refresh=TRUE;
870 map_key_zoom_timeout(void)
872 if (_key_zoom_new < _zoom) {
873 /* We're currently zooming in (_zoom is decreasing). */
874 guint test = _key_zoom_new - _curr_repo->view_zoom_steps;
876 _key_zoom_new = test;
880 /* We're currently zooming out (_zoom is increasing). */
881 guint test = _key_zoom_new + _curr_repo->view_zoom_steps;
883 _key_zoom_new = test;
892 map_information_text(guint x, guint y, GdkGC *gc, gchar *msg)
896 pango_layout_set_text(speed_layout, msg, -1);
897 pango_layout_get_pixel_size(speed_layout, &width, &height);
898 gtk_widget_queue_draw_area(_map_widget, x - 5, y - 5, width * 3 + 15, height + 5);
899 gdk_window_process_all_updates();
900 gdk_draw_layout(_map_widget->window, gc, x, y, speed_layout);
910 cur_speed = _gps.speed * UNITS_CONVERT[_units];
911 gc=(cur_speed > _speed_limit) ? speed_gc1 : speed_gc2;
912 buffer = g_strdup_printf("%0.0f", cur_speed);
913 map_information_text(10, 10, gc, buffer);
918 map_scale_draw(GdkEventExpose *event)
922 gdouble lat1, lon1, lat2, lon2;
925 pango_layout_set_text(scale_layout, "0", -1);
926 pango_layout_get_pixel_size(scale_layout, NULL, &scale_rect.height);
927 scale_rect.y = _screen_height_pixels - scale_rect.height - 1;
929 gdk_rectangle_intersect(&event->area, &scale_rect, &event->area);
931 if (event->area.width && event->area.height) {
932 gdk_draw_rectangle(_map_widget->window,
933 _map_widget->style->bg_gc[GTK_WIDGET_STATE(_map_widget)],
934 TRUE, scale_rect.x, scale_rect.y,
937 gdk_draw_rectangle(_map_widget->window,
938 _map_widget->style->fg_gc[GTK_WIDGET_STATE(_map_widget)],
939 FALSE, scale_rect.x, scale_rect.y,
943 /* Now calculate and draw the distance. */
944 unit2latlon(_center.unitx - pixel2unit(SCALE_WIDTH / 2 - 4), _center.unity, lat1, lon1);
945 unit2latlon(_center.unitx + pixel2unit(SCALE_WIDTH / 2 - 4), _center.unity, lat2, lon2);
946 distance=calculate_distance(lat1, lon1, lat2, lon2) * UNITS_CONVERT[_units];
949 g_snprintf(buffer, sizeof(buffer), "%0.2f %s", distance, UNITS_TEXT[_units]);
950 else if (distance < 10.f)
951 g_snprintf(buffer, sizeof(buffer), "%0.1f %s", distance, UNITS_TEXT[_units]);
953 g_snprintf(buffer, sizeof(buffer), "%0.f %s", distance, UNITS_TEXT[_units]);
955 pango_layout_set_text(scale_layout, buffer, -1);
956 pango_layout_get_pixel_size(scale_layout, &width, NULL);
958 /* Draw the layout itself. */
959 gdk_draw_layout(_map_widget->window,
960 _map_widget->style->fg_gc[GTK_WIDGET_STATE(_map_widget)],
961 scale_rect.x + (scale_rect.width - width) / 2,
962 scale_rect.y, scale_layout);
964 /* Draw little hashes on the ends. */
965 gdk_draw_line(_map_widget->window,
966 _map_widget->style->fg_gc[GTK_WIDGET_STATE(_map_widget)],
968 scale_rect.y + scale_rect.height / 2 - 4,
970 scale_rect.y + scale_rect.height / 2 + 4);
971 gdk_draw_line(_map_widget->window,
972 _map_widget->style->fg_gc[GTK_WIDGET_STATE(_map_widget)],
974 scale_rect.y + scale_rect.height / 2,
975 scale_rect.x + (scale_rect.width - width) / 2 - 4,
976 scale_rect.y + scale_rect.height / 2);
977 gdk_draw_line(_map_widget->window,
978 _map_widget->style->fg_gc[GTK_WIDGET_STATE(_map_widget)],
979 scale_rect.x + scale_rect.width - 4,
980 scale_rect.y + scale_rect.height / 2 - 4,
981 scale_rect.x + scale_rect.width - 4,
982 scale_rect.y + scale_rect.height / 2 + 4);
983 gdk_draw_line(_map_widget->window,
984 _map_widget->style->fg_gc[GTK_WIDGET_STATE(_map_widget)],
985 scale_rect.x + scale_rect.width - 4,
986 scale_rect.y + scale_rect.height / 2,
987 scale_rect.x + (scale_rect.width + width) / 2 + 4,
988 scale_rect.y + scale_rect.height / 2);
993 map_cb_expose(GtkWidget * widget, GdkEventExpose * event)
995 gdk_draw_drawable(GDK_DRAWABLE(_map_widget->window),
998 event->area.x + _offsetx, event->area.y + _offsety,
999 event->area.x, event->area.y,
1000 event->area.width, event->area.height);
1003 /* Draw scale, if necessary. */
1005 map_scale_draw(event);
1021 if ((nzoom > 0) && (nzoom < MAX_ZOOM - 1)) {
1022 map_set_zoom(nzoom);
1042 map_autozoomer(void)
1044 static gfloat z=5.0;
1048 if (zoom_timeout_sid==0)
1051 z=(z+_gps.speed+1)/5;
1052 if (z>5) z=5.0; else if (z<1) z=1.0;
1055 g_printf("Setting autozoom to: %f %d S:%f\n", z, iz, _gps.speed);
1068 map_set_autozoom(gboolean az)
1071 MACRO_BANNER_SHOW_INFO(_window, "Autozoom enabled");
1072 zoom_timeout_sid=g_timeout_add(_gps.speed<5 ? 2000 : 5000, (GSourceFunc) map_autozoomer, NULL);
1075 if (zoom_timeout_sid) {
1076 g_source_remove(zoom_timeout_sid);
1078 MACRO_BANNER_SHOW_INFO(_window, "Autozoom disabled");
1086 map_draw_route(gint x, gint y)
1088 cmenu_route_add_way(x, y);
1092 map_draw_track(gint x, gint y)
1094 _pos.unitx = x2unit((gint) (x + 0.5));
1095 _pos.unity = y2unit((gint) (y + 0.5));
1096 unit2latlon(_pos.unitx, _pos.unity, _gps.lat, _gps.lon);
1098 gps_integerize_data(&_gps, &_pos);
1099 track_add(time(NULL), FALSE);
1104 map_set_place_information(osm_way *s, osm_place *mp, osm_place *sp)
1108 if (!s && !mp && !sp) {
1109 g_snprintf(buffer, sizeof(buffer), _("Unknown location"));
1112 g_snprintf(buffer, sizeof(buffer), "%s%s%s%s%s%s%s%s%s%s",
1113 s ? s->name ? s->name : "" : "",
1114 s ? s->ref ? ", " : "" : "",
1115 s ? s->ref ? s->ref : "" : "",
1116 s ? s->int_ref ? " (" : "" : "",
1117 s ? s->int_ref ? s->int_ref : "" : "",
1118 s ? s->int_ref ? ") " : "" : "",
1119 (sp && sp->name) ? " in " : "",
1120 (sp && sp->name) ? sp->name : "",
1121 (mp && mp->name) ? " in " : "",
1122 (mp && mp->name) ? mp->name : "");
1124 gtk_label_set_label(GTK_LABEL(info_banner.location), buffer);
1128 map_update_destination(gdouble lat, gdouble lon)
1132 static gdouble prev_dt=99999.0;
1133 static gboolean dest_reached=FALSE;
1137 dt=calculate_distance(lat, lon, _dest.lat, _dest.lon);
1138 dh=calculate_course(lat, lon, _dest.lat, _dest.lon);
1139 cdist=dt*UNITS_CONVERT[_units];
1141 g_snprintf(buffer, sizeof(buffer), "%.02f %s (%0.02f)", cdist, UNITS_TEXT[_units], dh<0 ? 360+dh : dh);
1142 gtk_label_set_label(GTK_LABEL(info_banner.distance), buffer);
1144 if (dt<0.005 && dest_reached==FALSE) {
1146 announce_destination_reached();
1148 } else if (dt<prev_dt-KM10KNOTS) {
1150 announce_distance_to_destination(cdist, UNITS_TEXT[_units], KM10KNOTS);
1152 } else if (dt>prev_dt+KM10KNOTS/4) {
1159 g_printf("%f (Prev:%f)\n", prev_dt, dt);
1164 gtk_label_set_label(GTK_LABEL(info_banner.distance), "");
1166 gtk_compass_set_dest_heading(_gps_compass, _dest.valid, (gfloat)dh);
1167 gtk_compass_set_dest_heading(_tab_compass, _dest.valid, (gfloat)dh);
1169 if (_next_way && _next_way->point) {
1170 gdouble wp_lat, wp_lon;
1173 unit2latlon(_next_way->point->unitx,_next_way->point->unity, wp_lat, wp_lon);
1174 wc=calculate_course(lat, lon, wp_lat, wp_lon);
1175 gtk_compass_set_way_heading(_gps_compass, TRUE, wc);
1176 gtk_compass_set_way_heading(_tab_compass, TRUE, wc);
1178 gtk_compass_set_way_heading(_gps_compass, FALSE, 0);
1179 gtk_compass_set_way_heading(_tab_compass, FALSE, 0);
1185 map_update_location(gdouble lat, gdouble lon, gboolean force)
1188 static gboolean inp=FALSE;
1190 /* We run the gtk mainloop in progress callback so we can be called again, we don't like that */
1195 ilat=lat2mp_int(lat);
1196 ilon=lon2mp_int(lon);
1198 if (_gps.fix>1 && !force)
1199 osm_set_way_range_from_speed(_gps.speed);
1201 osm_set_way_range(OSM_RANGE_WAY/4);
1203 osm_progress_set_widget(_db, _progress_item);
1204 _map_location_known=osm_get_location_data(ilat, ilon, &map_loc);
1205 _map_location_dist=map_loc.street ? map_loc.street->dist : 900000.0;
1207 map_set_place_information(map_loc.street, map_loc.primary, map_loc.secondary);
1209 map_set_place_information(NULL, NULL, NULL);
1210 osm_progress_set_widget(_db, NULL);
1212 map_update_destination(lat, lon);
1218 * Mouse scroller zoom in/out callback
1221 map_cb_scroll_event(GtkWidget * widget, GdkEventScroll * event)
1223 if (event->direction == GDK_SCROLL_UP) {
1224 map_center_unit(x2unit((gint) (event->x + 0.5)), y2unit((gint) (event->y + 0.5)));
1225 map_set_zoom(_zoom - 1);
1226 } else if (event->direction == GDK_SCROLL_DOWN) {
1227 map_center_unit(x2unit((gint) (event->x + 0.5)), y2unit((gint) (event->y + 0.5)));
1228 map_set_zoom(_zoom + 1);
1234 * Start map drag operation
1237 map_drag_start(gint x,gint y)
1241 before[0] = press[0];
1242 before[1] = press[1];
1243 _center_mode=CENTER_MANUAL;
1245 g_signal_handler_disconnect(G_OBJECT(_map_widget), map_drag_id);
1247 map_drag_id=g_signal_connect(G_OBJECT(_map_widget), "motion_notify_event", G_CALLBACK(map_follow_move_cb), NULL);
1251 * Stop map drag operation
1254 map_drag_stop(gint x, gint y)
1259 g_signal_handler_disconnect(G_OBJECT(_map_widget), map_drag_id);
1272 /* Workaround hildon content menu problem */
1274 map_cb_show_poi_info_dialog(gpointer data)
1276 guint poi_id=GPOINTER_TO_INT(data);
1277 if (poi_info_dialog(poi_id)==FALSE)
1278 g_printerr("Huh? Failed to display info dialog\n");
1283 map_cb_button_press(GtkWidget * widget, GdkEventButton * event)
1289 _cmenu_position_x = event->x + 0.5;
1290 _cmenu_position_y = event->y + 0.5;
1292 g_printf("BtnPress\n");
1293 switch (event->button) {
1295 if (event->type==GDK_2BUTTON_PRESS) {
1296 map_center_unit(x2unit((gint) (event->x + 0.5)), y2unit((gint) (event->y + 0.5)));
1297 #ifdef MAP_ZOOM_ON_DOUBLE_CLICK
1298 map_set_zoom(_zoom-1);
1300 map_data_needs_refresh=TRUE;
1303 if (event->type==GDK_3BUTTON_PRESS) {
1307 ux=x2unit(_cmenu_position_x);
1308 uy=y2unit(_cmenu_position_y);
1310 unit2latlon(ux, uy, lat, lon);
1311 if (map_poi_find_at_latlon(lat, lon, &poi_id)==TRUE) {
1312 g_printf("POI: %d\n", poi_id);
1313 g_idle_add_full(G_PRIORITY_HIGH_IDLE,(GSourceFunc)map_cb_show_poi_info_dialog, GINT_TO_POINTER(poi_id), NULL);
1315 map_drag_start(event->x, event->y);
1320 map_set_zoom(_zoom - 1);
1324 gtk_menu_popup(GTK_MENU(_menu_map), NULL, NULL, NULL, NULL, event->button, gtk_get_current_event_time());
1328 /* Return FALSE to allow context menu to work. */
1333 map_cb_button_release(GtkWidget *widget, GdkEventButton *event)
1335 g_printf("BtnRelease\n");
1336 switch (event->button) {
1339 set_action_activate("autocenter_none", TRUE);
1342 case MAP_MODE_DRAW_TRACK:
1343 map_draw_track(event->x, event->y);
1345 case MAP_MODE_DRAW_ROUTE:
1346 map_draw_route(event->x, event->y);
1348 case MAP_MODE_SET_ROUTE_FROM:
1349 case MAP_MODE_SET_ROUTE_POINT:
1350 case MAP_MODE_SET_ROUTE_TO:
1353 map_drag_stop(event->x, event->y);
1354 if (map_data_needs_refresh==TRUE) {
1355 map_data_needs_refresh=FALSE;
1357 g_idle_add_full(G_PRIORITY_HIGH_IDLE,(GSourceFunc)map_update_location_from_center, NULL, NULL);
1369 /* Return FALSE to avoid context menu (if it hasn't popped up already). */
1374 map_dialog_goto_latlon(void)
1382 dialog = gtk_dialog_new_with_buttons(_("Go to Lat/Lon"),
1383 GTK_WINDOW(_window),
1384 GTK_DIALOG_MODAL, GTK_STOCK_OK,
1385 GTK_RESPONSE_ACCEPT,
1387 GTK_RESPONSE_REJECT, NULL);
1389 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), table = gtk_table_new(2, 3, FALSE), TRUE, TRUE, 0);
1391 gtk_table_attach(GTK_TABLE(table), label = gtk_label_new(_("Latitude")),0, 1, 0, 1, GTK_FILL, 0, 2, 4);
1392 gtk_misc_set_alignment(GTK_MISC(label), 1.f, 0.5f);
1394 gtk_table_attach(GTK_TABLE(table), txt_lat = gtk_entry_new(), 1, 2, 0, 1, GTK_FILL, 0, 2, 4);
1395 gtk_misc_set_alignment(GTK_MISC(label), 0.0f, 0.5f);
1397 gtk_table_attach(GTK_TABLE(table), label = gtk_label_new(_("Longitude")), 0, 1, 1, 2, GTK_FILL, 0, 2, 4);
1398 gtk_misc_set_alignment(GTK_MISC(label), 1.f, 0.5f);
1400 gtk_table_attach(GTK_TABLE(table), txt_lon = gtk_entry_new(), 1, 2, 1, 2, GTK_FILL, 0, 2, 4);
1401 gtk_misc_set_alignment(GTK_MISC(label), 0.0f, 0.5f);
1403 #if defined (WITH_DEVICE_770) && !defined(WITH_HILDON_NEW)
1404 g_object_set(G_OBJECT(txt_lat), HILDON_INPUT_MODE_HINT, HILDON_INPUT_MODE_HINT_NUMERICSPECIAL, NULL);
1405 g_object_set(G_OBJECT(txt_lon), HILDON_INPUT_MODE_HINT, HILDON_INPUT_MODE_HINT_NUMERICSPECIAL, NULL);
1408 /* Initialize with the current center position. */
1412 unit2latlon(_center.unitx, _center.unity, lat, lon);
1413 g_snprintf(buffer, sizeof(buffer), "%.06f", lat);
1414 gtk_label_set_text(GTK_LABEL(txt_lat), buffer);
1415 g_snprintf(buffer, sizeof(buffer), "%.06f", lon);
1416 gtk_label_set_text(GTK_LABEL(txt_lon), buffer);
1419 gtk_widget_show_all(dialog);
1421 while (GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(dialog))) {
1427 text = gtk_entry_get_text(GTK_ENTRY(txt_lat));
1428 lat = strtof(text, &error_check);
1429 if (text == error_check || lat < -90.f || lat > 90.f) {
1430 popup_error(dialog, _("Invalid Latitude"));
1434 text = gtk_entry_get_text(GTK_ENTRY(txt_lon));
1435 lon = strtof(text, &error_check);
1436 if (text == error_check || lon < -180.f || lon > 180.f) {
1437 popup_error(dialog, _("Invalid Longitude"));
1441 latlon2unit(lat, lon, unitx, unity);
1442 if (_center_mode > 0)
1443 set_action_activate("autocenter_none", TRUE);
1445 map_center_unit(unitx, unity);
1448 gtk_widget_destroy(dialog);