98 |
coord_t *gps; |
coord_t *gps; |
99 |
gboolean gps_valid; |
gboolean gps_valid; |
100 |
|
|
101 |
|
//a balloon with additional info |
102 |
|
struct { |
103 |
|
coord_t *coo; |
104 |
|
gboolean valid; |
105 |
|
OsmGpsMapRect_t rect; |
106 |
|
OsmGpsMapBalloonCallback cb; |
107 |
|
gpointer data; |
108 |
|
} balloon; |
109 |
|
|
110 |
//additional images or tracks added to the map |
//additional images or tracks added to the map |
111 |
GSList *tracks; |
GSList *tracks; |
112 |
GSList *images; |
GSList *images; |
640 |
(mr*2)+lw+lw); |
(mr*2)+lw+lw); |
641 |
#endif |
#endif |
642 |
} |
} |
643 |
|
} |
644 |
|
|
645 |
|
/* most visual effects are hardcoded by now, but may be made */ |
646 |
|
/* available via properties later */ |
647 |
|
#define BALLOON_AREA_WIDTH 290 |
648 |
|
#define BALLOON_AREA_HEIGHT 75 |
649 |
|
|
650 |
|
#define BALLOON_CORNER_RADIUS 20 |
651 |
|
#define BALLOON_BORDER (BALLOON_CORNER_RADIUS/4) |
652 |
|
#define BALLOON_WIDTH (BALLOON_AREA_WIDTH + 2 * BALLOON_BORDER) |
653 |
|
#define BALLOON_HEIGHT (BALLOON_AREA_HEIGHT + 2 * BALLOON_BORDER) |
654 |
|
#define BALLOON_TRANSPARENCY 0.8 |
655 |
|
#define POINTER_HEIGHT 20 |
656 |
|
#define POINTER_FOOT_WIDTH 20 |
657 |
|
#define POINTER_OFFSET (BALLOON_CORNER_RADIUS*3/4) |
658 |
|
#define BALLOON_SHADOW 5 |
659 |
|
#define BALLOON_SHADOW_TRANSPARENCY 0.2 |
660 |
|
|
661 |
|
#define CLOSE_BUTTON_RADIUS (BALLOON_CORNER_RADIUS/3) |
662 |
|
|
663 |
|
|
664 |
|
/* draw the bubble shape. this is used twice, once for the shape and once */ |
665 |
|
/* for the shadow */ |
666 |
|
static void |
667 |
|
osm_gps_map_draw_balloon_shape (cairo_t *cr, int x0, int y0, int x1, int y1, |
668 |
|
gboolean bottom, int px, int py, int px0, int px1) { |
669 |
|
|
670 |
|
cairo_move_to (cr, x0, y0 + BALLOON_CORNER_RADIUS); |
671 |
|
cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + BALLOON_CORNER_RADIUS, y0); |
672 |
|
if(!bottom) { |
673 |
|
/* insert top pointer */ |
674 |
|
cairo_line_to (cr, px1, y0); |
675 |
|
cairo_line_to (cr, px, py); |
676 |
|
cairo_line_to (cr, px0, y0); |
677 |
|
} |
678 |
|
|
679 |
|
cairo_line_to (cr, x1 - BALLOON_CORNER_RADIUS, y0); |
680 |
|
cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + BALLOON_CORNER_RADIUS); |
681 |
|
cairo_line_to (cr, x1 , y1 - BALLOON_CORNER_RADIUS); |
682 |
|
cairo_curve_to (cr, x1, y1, x1, y1, x1 - BALLOON_CORNER_RADIUS, y1); |
683 |
|
if(bottom) { |
684 |
|
/* insert bottom pointer */ |
685 |
|
cairo_line_to (cr, px0, y1); |
686 |
|
cairo_line_to (cr, px, py); |
687 |
|
cairo_line_to (cr, px1, y1); |
688 |
|
} |
689 |
|
|
690 |
|
cairo_line_to (cr, x0 + BALLOON_CORNER_RADIUS, y1); |
691 |
|
cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - BALLOON_CORNER_RADIUS); |
692 |
|
|
693 |
|
cairo_close_path (cr); |
694 |
} |
} |
695 |
|
|
696 |
/* http://cairographics.org/samples/ */ |
/* http://cairographics.org/samples/ */ |
697 |
static void |
static void |
698 |
osm_gps_map_draw_balloon (OsmGpsMap *map) |
osm_gps_map_draw_balloon_int (OsmGpsMap *map) |
699 |
{ |
{ |
700 |
OsmGpsMapPrivate *priv = map->priv; |
OsmGpsMapPrivate *priv = map->priv; |
701 |
|
|
702 |
/* xyz */ |
if (priv->balloon.valid) { |
|
#define X 100 |
|
|
#define Y 100 |
|
|
#define RADIUS 20 |
|
|
#define WIDTH 150 |
|
|
#define HEIGHT 75 |
|
|
#define TRANSPARENCY 0.7 |
|
|
#define PIN_HEIGHT 20 |
|
|
#define PIN_FOOT_WIDTH 20 |
|
|
#define PIN_X (X + EXTRA_BORDER) |
|
|
#define PIN_X0 (X + EXTRA_BORDER + RADIUS + PIN_FOOT_WIDTH) |
|
|
#define PIN_X1 (X + EXTRA_BORDER + RADIUS) |
|
|
#define PIN_Y (Y + EXTRA_BORDER + HEIGHT + PIN_HEIGHT) |
|
|
|
|
|
#ifdef USE_CAIRO |
|
|
cairo_t *cr = gdk_cairo_create(priv->pixmap); |
|
703 |
|
|
704 |
int x0 = X + EXTRA_BORDER, y0 = Y + EXTRA_BORDER; |
/* ------- convert given coordinate into screen position --------- */ |
705 |
int x1 = x0 + WIDTH, y1 = y0 + HEIGHT; |
int x0 = lon2pixel(priv->map_zoom, priv->balloon.coo->rlon) - |
706 |
|
priv->map_x + EXTRA_BORDER; |
707 |
|
int y0 = lat2pixel(priv->map_zoom, priv->balloon.coo->rlat) - |
708 |
|
priv->map_y + EXTRA_BORDER; |
709 |
|
|
710 |
cairo_move_to (cr, x0, y0 + RADIUS); |
/* check position of this relative to screen center to determine */ |
711 |
cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + RADIUS, y0); |
/* pointer direction ... */ |
712 |
cairo_line_to (cr, x1 - RADIUS, y0); |
int pointer_x = x0, pointer_x0, pointer_x1; |
713 |
cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + RADIUS); |
int pointer_y = y0; |
714 |
cairo_line_to (cr, x1 , y1 - RADIUS); |
|
715 |
cairo_curve_to (cr, x1, y1, x1, y1, x1 - RADIUS, y1); |
/* ... and calculate position */ |
716 |
|
if((x0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.width/2) { |
717 |
/* insert pin */ |
x0 -= BALLOON_WIDTH - POINTER_OFFSET; |
718 |
cairo_line_to (cr, PIN_X0, y1); |
pointer_x0 = pointer_x - (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
719 |
cairo_line_to (cr, PIN_X, PIN_Y); |
pointer_x1 = pointer_x0 - POINTER_FOOT_WIDTH; |
720 |
cairo_line_to (cr, PIN_X1, y1); |
} else { |
721 |
|
x0 -= POINTER_OFFSET; |
722 |
|
pointer_x1 = pointer_x + (BALLOON_CORNER_RADIUS - POINTER_OFFSET); |
723 |
|
pointer_x0 = pointer_x1 + POINTER_FOOT_WIDTH; |
724 |
|
} |
725 |
|
|
726 |
|
gboolean bottom = FALSE; |
727 |
|
if((y0 - EXTRA_BORDER) > GTK_WIDGET(map)->allocation.height/2) { |
728 |
|
bottom = TRUE; |
729 |
|
y0 -= BALLOON_HEIGHT + POINTER_HEIGHT; |
730 |
|
} else |
731 |
|
y0 += POINTER_HEIGHT; |
732 |
|
|
733 |
|
/* calculate bottom/right of box */ |
734 |
|
int x1 = x0 + BALLOON_WIDTH, y1 = y0 + BALLOON_HEIGHT; |
735 |
|
|
736 |
|
/* save balloon screen coordinates for later use */ |
737 |
|
priv->balloon.rect.x = x0 + BALLOON_BORDER; |
738 |
|
priv->balloon.rect.y = y0 + BALLOON_BORDER; |
739 |
|
priv->balloon.rect.w = x1 - x0 - 2*BALLOON_BORDER; |
740 |
|
priv->balloon.rect.h = y1 - y0 - 2*BALLOON_BORDER; |
741 |
|
|
742 |
|
#ifdef USE_CAIRO |
743 |
|
cairo_t *cr = gdk_cairo_create(priv->pixmap); |
744 |
|
|
745 |
cairo_line_to (cr, x0 + RADIUS, y1); |
/* --------- draw shadow --------------- */ |
746 |
cairo_curve_to (cr, x0, y1, x0, y1, x0, y1 - RADIUS); |
osm_gps_map_draw_balloon_shape (cr, |
747 |
|
x0 + BALLOON_SHADOW, y0 + BALLOON_SHADOW, |
748 |
|
x1 + BALLOON_SHADOW, y1 + BALLOON_SHADOW, |
749 |
|
bottom, pointer_x, pointer_y, |
750 |
|
pointer_x0 + BALLOON_SHADOW, pointer_x1 + BALLOON_SHADOW); |
751 |
|
|
752 |
|
cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_SHADOW_TRANSPARENCY); |
753 |
|
cairo_fill_preserve (cr); |
754 |
|
cairo_set_source_rgba (cr, 1, 0, 0, 1.0); |
755 |
|
cairo_set_line_width (cr, 0); |
756 |
|
cairo_stroke (cr); |
757 |
|
|
758 |
|
/* --------- draw main shape ----------- */ |
759 |
|
osm_gps_map_draw_balloon_shape (cr, x0, y0, x1, y1, |
760 |
|
bottom, pointer_x, pointer_y, pointer_x0, pointer_x1); |
761 |
|
|
762 |
|
cairo_set_source_rgba (cr, 1, 1, 1, BALLOON_TRANSPARENCY); |
763 |
|
cairo_fill_preserve (cr); |
764 |
|
cairo_set_source_rgba (cr, 0, 0, 0, BALLOON_TRANSPARENCY); |
765 |
|
cairo_set_line_width (cr, 1); |
766 |
|
cairo_stroke (cr); |
767 |
|
|
768 |
|
|
769 |
|
/* ---------- draw close button --------- */ |
770 |
|
|
771 |
|
int cx = x1 - BALLOON_BORDER - CLOSE_BUTTON_RADIUS; |
772 |
|
int cy = y0 + BALLOON_BORDER + CLOSE_BUTTON_RADIUS; |
773 |
|
int crad = CLOSE_BUTTON_RADIUS; |
774 |
|
|
775 |
|
cairo_arc (cr, cx, cy, crad, 0, 2 * M_PI); |
776 |
|
cairo_set_source_rgba (cr, 0.8, 0, 0, 1.0); |
777 |
|
cairo_fill_preserve (cr); |
778 |
|
cairo_set_source_rgba (cr, 0.3, 0, 0, 1.0); |
779 |
|
cairo_set_line_width (cr, 2); |
780 |
|
cairo_stroke(cr); |
781 |
|
|
782 |
|
cairo_set_source_rgba (cr, 1, 1, 1, 1.0); |
783 |
|
cairo_set_line_width (cr, 3); |
784 |
|
cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); |
785 |
|
cairo_move_to (cr, cx - crad/2, cy - crad/2); |
786 |
|
cairo_line_to (cr, cx + crad/2, cy + crad/2); |
787 |
|
cairo_stroke (cr); |
788 |
|
cairo_move_to (cr, cx + crad/2, cy - crad/2); |
789 |
|
cairo_line_to (cr, cx - crad/2, cy + crad/2); |
790 |
|
cairo_stroke (cr); |
791 |
|
|
792 |
|
if (priv->balloon.cb) { |
793 |
|
/* clip in case application tries to draw in */ |
794 |
|
/* exceed of the balloon */ |
795 |
|
cairo_rectangle (cr, priv->balloon.rect.x, priv->balloon.rect.y, |
796 |
|
priv->balloon.rect.w, priv->balloon.rect.h); |
797 |
|
cairo_clip (cr); |
798 |
|
cairo_new_path (cr); /* current path is not |
799 |
|
consumed by cairo_clip() */ |
800 |
|
|
801 |
cairo_close_path (cr); |
priv->balloon.cb(cr, &priv->balloon.rect, priv->balloon.data); |
802 |
cairo_set_source_rgba (cr, 1, 1, 1, TRANSPARENCY); |
} |
803 |
cairo_fill_preserve (cr); |
|
804 |
cairo_set_source_rgba (cr, 0, 0, 0, TRANSPARENCY); |
gtk_widget_queue_draw_area (GTK_WIDGET(map), |
805 |
cairo_set_line_width (cr, 1); |
x0, y0, BALLOON_WIDTH, |
806 |
cairo_stroke (cr); |
BALLOON_HEIGHT + POINTER_HEIGHT); |
807 |
|
#else |
808 |
gtk_widget_queue_draw_area (GTK_WIDGET(map), |
#warning "Balloon display lacks a non-cairo implementation!" |
|
x0, |
|
|
y0, |
|
|
WIDTH, |
|
|
HEIGHT + PIN_HEIGHT); |
|
809 |
#endif |
#endif |
810 |
|
} |
811 |
|
} |
812 |
|
|
813 |
|
/* the user clicked into the balloons main area. handle this */ |
814 |
|
static void |
815 |
|
osm_gps_map_handle_balloon_click(OsmGpsMap *map, gint x, gint y) |
816 |
|
{ |
817 |
|
OsmGpsMapPrivate *priv = map->priv; |
818 |
|
|
819 |
|
if (!priv->balloon.valid) |
820 |
|
return; |
821 |
|
|
822 |
|
/* check if the close button was clicked */ |
823 |
|
if ((x > priv->balloon.rect.w - 2*CLOSE_BUTTON_RADIUS) && |
824 |
|
(x < priv->balloon.rect.w) && |
825 |
|
(y > 0) && (y < 2*CLOSE_BUTTON_RADIUS)) { |
826 |
|
|
827 |
|
priv->balloon.valid = FALSE; |
828 |
|
osm_gps_map_map_redraw_idle(map); |
829 |
|
} |
830 |
|
} |
831 |
|
|
832 |
|
/* return true if balloon is being displayed and if */ |
833 |
|
/* the given coordinate is within this balloon */ |
834 |
|
static gboolean |
835 |
|
osm_gps_map_in_balloon(OsmGpsMapPrivate *priv, gint x, gint y) |
836 |
|
{ |
837 |
|
return (priv->balloon.valid && |
838 |
|
(x > priv->balloon.rect.x) && |
839 |
|
(x < priv->balloon.rect.x + priv->balloon.rect.w) && |
840 |
|
(y > priv->balloon.rect.y) && |
841 |
|
(y < priv->balloon.rect.y + priv->balloon.rect.h)); |
842 |
} |
} |
843 |
|
|
844 |
static void |
static void |
1425 |
osm_gps_map_print_tracks(map); |
osm_gps_map_print_tracks(map); |
1426 |
osm_gps_map_draw_gps_point(map); |
osm_gps_map_draw_gps_point(map); |
1427 |
osm_gps_map_print_images(map); |
osm_gps_map_print_images(map); |
1428 |
|
osm_gps_map_draw_balloon_int(map); |
|
osm_gps_map_draw_balloon(map); |
|
1429 |
|
|
1430 |
//osm_gps_map_osd_speed(map, 1.5); |
//osm_gps_map_osd_speed(map, 1.5); |
1431 |
osm_gps_map_purge_cache(map); |
osm_gps_map_purge_cache(map); |
1457 |
priv->gps = g_new0(coord_t, 1); |
priv->gps = g_new0(coord_t, 1); |
1458 |
priv->gps_valid = FALSE; |
priv->gps_valid = FALSE; |
1459 |
|
|
1460 |
|
priv->balloon.coo = g_new0(coord_t, 1); |
1461 |
|
priv->balloon.valid = FALSE; |
1462 |
|
priv->balloon.cb = NULL; |
1463 |
|
|
1464 |
priv->tracks = NULL; |
priv->tracks = NULL; |
1465 |
priv->images = NULL; |
priv->images = NULL; |
1466 |
|
|
1618 |
if (priv->idle_map_redraw != 0) |
if (priv->idle_map_redraw != 0) |
1619 |
g_source_remove (priv->idle_map_redraw); |
g_source_remove (priv->idle_map_redraw); |
1620 |
|
|
1621 |
|
g_free(priv->gps); |
1622 |
|
g_free(priv->balloon.coo); |
1623 |
|
|
1624 |
G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
G_OBJECT_CLASS (osm_gps_map_parent_class)->dispose (object); |
1625 |
} |
} |
1626 |
|
|
1836 |
{ |
{ |
1837 |
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1838 |
|
|
1839 |
|
/* don't drag if the user clicked within the balloon */ |
1840 |
|
if (osm_gps_map_in_balloon(priv, |
1841 |
|
event->x + EXTRA_BORDER, |
1842 |
|
event->y + EXTRA_BORDER)) |
1843 |
|
{ |
1844 |
|
priv->drag_counter = -1; |
1845 |
|
return FALSE; |
1846 |
|
} |
1847 |
|
|
1848 |
priv->drag_counter = 0; |
priv->drag_counter = 0; |
1849 |
priv->drag_start_mouse_x = (int) event->x; |
priv->drag_start_mouse_x = (int) event->x; |
1850 |
priv->drag_start_mouse_y = (int) event->y; |
priv->drag_start_mouse_y = (int) event->y; |
1859 |
{ |
{ |
1860 |
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
OsmGpsMapPrivate *priv = OSM_GPS_MAP_PRIVATE(widget); |
1861 |
|
|
1862 |
|
/* released inside the balloon? */ |
1863 |
|
if (osm_gps_map_in_balloon(priv, |
1864 |
|
event->x + EXTRA_BORDER, |
1865 |
|
event->y + EXTRA_BORDER)) |
1866 |
|
{ |
1867 |
|
osm_gps_map_handle_balloon_click(OSM_GPS_MAP(widget), |
1868 |
|
event->x - priv->balloon.rect.x + EXTRA_BORDER, |
1869 |
|
event->y - priv->balloon.rect.y + EXTRA_BORDER); |
1870 |
|
return FALSE; |
1871 |
|
} |
1872 |
|
|
1873 |
|
if (priv->drag_counter < 0) |
1874 |
|
return FALSE; |
1875 |
|
|
1876 |
if (priv->dragging) |
if (priv->dragging) |
1877 |
{ |
{ |
1878 |
priv->dragging = FALSE; |
priv->dragging = FALSE; |
1890 |
|
|
1891 |
priv->drag_mouse_dx = 0; |
priv->drag_mouse_dx = 0; |
1892 |
priv->drag_mouse_dy = 0; |
priv->drag_mouse_dy = 0; |
1893 |
priv->drag_counter = 0; |
priv->drag_counter = -1; |
1894 |
|
|
1895 |
return FALSE; |
return FALSE; |
1896 |
} |
} |
1915 |
if (!(state & GDK_BUTTON1_MASK)) |
if (!(state & GDK_BUTTON1_MASK)) |
1916 |
return FALSE; |
return FALSE; |
1917 |
|
|
1918 |
|
if (priv->drag_counter < 0) |
1919 |
|
return FALSE; |
1920 |
|
|
1921 |
priv->drag_counter++; |
priv->drag_counter++; |
1922 |
|
|
1923 |
// we havent dragged more than 6 pixels |
// we havent dragged more than 6 pixels |
2020 |
widget->window, |
widget->window, |
2021 |
widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
widget->style->fg_gc[GTK_WIDGET_STATE (widget)], |
2022 |
priv->pixmap, |
priv->pixmap, |
2023 |
event->area.x + EXTRA_BORDER, event->area.y + EXTRA_BORDER, |
event->area.x + EXTRA_BORDER, |
2024 |
|
event->area.y + EXTRA_BORDER, |
2025 |
event->area.x, event->area.y, |
event->area.x, event->area.y, |
2026 |
event->area.width, event->area.height); |
event->area.width, event->area.height); |
2027 |
|
|
2796 |
return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); |
return osm_gps_map_get_scale_at_point(priv->map_zoom, priv->center_rlat, priv->center_rlon); |
2797 |
} |
} |
2798 |
|
|
2799 |
|
void |
2800 |
|
osm_gps_map_draw_balloon (OsmGpsMap *map, float latitude, float longitude, |
2801 |
|
OsmGpsMapBalloonCallback cb, gpointer data) |
2802 |
|
{ |
2803 |
|
OsmGpsMapPrivate *priv; |
2804 |
|
|
2805 |
|
/* remove and previously installed balloon */ |
2806 |
|
osm_gps_map_clear_balloon (map); |
2807 |
|
|
2808 |
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2809 |
|
priv = map->priv; |
2810 |
|
|
2811 |
|
priv->balloon.coo->rlat = deg2rad(latitude); |
2812 |
|
priv->balloon.coo->rlon = deg2rad(longitude); |
2813 |
|
priv->balloon.valid = TRUE; |
2814 |
|
|
2815 |
|
priv->balloon.cb = cb; |
2816 |
|
priv->balloon.data = data; |
2817 |
|
|
2818 |
|
// this redraws the map |
2819 |
|
osm_gps_map_map_redraw_idle(map); |
2820 |
|
} |
2821 |
|
|
2822 |
|
void |
2823 |
|
osm_gps_map_clear_balloon (OsmGpsMap *map) |
2824 |
|
{ |
2825 |
|
OsmGpsMapPrivate *priv; |
2826 |
|
|
2827 |
|
g_return_if_fail (OSM_IS_GPS_MAP (map)); |
2828 |
|
priv = map->priv; |
2829 |
|
|
2830 |
|
priv->balloon.valid = FALSE; |
2831 |
|
|
2832 |
|
osm_gps_map_map_redraw_idle(map); |
2833 |
|
} |