Add:osd_core:Added new osds gps_status and volume (does nothing useful currently)

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@1986 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/navit/osd/core/osd_core.c b/navit/navit/osd/core/osd_core.c
index 0211a20..6901b45 100644 (file)
--- a/navit/navit/osd/core/osd_core.c
+++ b/navit/navit/osd/core/osd_core.c
@@ -1010,15 +1010,233 @@ osd_text_new(struct navit *nav, struct osd_methods *meth,
        return (struct osd_priv *) this;
 }
 
+struct gps_status {
+       struct osd_item osd_item;
+       char *icon_src;
+       int icon_h, icon_w, active;
+       int strength;
+};
+
+static void
+osd_gps_status_draw(struct gps_status *this, struct navit *navit,
+                      struct vehicle *v)
+{
+       struct point p;
+       int do_draw = 0;
+       struct graphics_image *gr_image;
+       char *image;
+       struct attr attr, vehicle_attr;
+       int strength=-1;
+
+       if (navit && navit_get_attr(navit, attr_vehicle, &vehicle_attr, NULL)) {
+               if (vehicle_get_attr(vehicle_attr.u.vehicle, attr_position_fix_type, &attr, NULL)) {
+                       switch(attr.u.num) {
+                       case 1:
+                       case 2:
+                               strength=2;
+                               if (vehicle_get_attr(vehicle_attr.u.vehicle, attr_position_sats_used, &attr, NULL)) {
+                                       dbg(0,"num=%d\n", attr.u.num);
+                                       if (attr.u.num >= 3) 
+                                               strength=attr.u.num-1;
+                                       if (strength > 5)
+                                               strength=5;
+                                       if (strength > 3) {
+                                               if (vehicle_get_attr(vehicle_attr.u.vehicle, attr_position_hdop, &attr, NULL)) {
+                                                       if (*attr.u.numd > 2.0 && strength > 4)
+                                                               strength=4;
+                                                       if (*attr.u.numd > 4.0 && strength > 3)
+                                                               strength=3;
+                                               }
+                                       }
+                               }
+                               break;
+                       default:
+                               strength=1;
+                       }
+               }
+       }       
+       if (this->strength != strength) {
+               this->strength=strength;
+               do_draw=1;
+       }
+       if (do_draw) {
+               osd_std_draw(&this->osd_item);
+               if (this->active) {
+                       image = g_strdup_printf(this->icon_src, strength);
+                       gr_image = graphics_image_new_scaled(this->osd_item.gr, image, this->icon_w, this->icon_h);
+                       if (gr_image) {
+                               p.x = (this->osd_item.w - gr_image->width) / 2;
+                               p.y = (this->osd_item.h - gr_image->height) / 2;
+                               graphics_draw_image(this->osd_item.gr, this->osd_item.  graphic_fg_white, &p, gr_image);
+                               graphics_image_free(this->osd_item.gr, gr_image);
+                       }
+                       g_free(image);
+               }
+               graphics_draw_mode(this->osd_item.gr, draw_mode_end);
+       }
+}
+
+static void
+osd_gps_status_init(struct gps_status *this, struct navit *nav)
+{
+       osd_set_std_graphic(nav, &this->osd_item);
+       navit_add_callback(nav, callback_new_attr_1(callback_cast(osd_gps_status_draw), attr_position_coord_geo, this));
+       osd_gps_status_draw(this, nav, NULL);
+}
+
+static struct osd_priv *
+osd_gps_status_new(struct navit *nav, struct osd_methods *meth,
+                     struct attr **attrs)
+{
+       struct gps_status *this = g_new0(struct gps_status, 1);
+       struct attr *attr;
+
+       this->osd_item.p.x = 20;
+       this->osd_item.p.y = -80;
+       this->osd_item.w = 60;
+       this->osd_item.h = 40;
+       this->osd_item.font_size = 200;
+       osd_set_std_attr(attrs, &this->osd_item, 0);
+
+       this->icon_w = -1;
+       this->icon_h = -1;
+       this->active = -1;
+       this->strength = -1;
+
+       attr = attr_search(attrs, NULL, attr_icon_w);
+       if (attr)
+               this->icon_w = attr->u.num;
+
+       attr = attr_search(attrs, NULL, attr_icon_h);
+       if (attr)
+               this->icon_h = attr->u.num;
+
+       attr = attr_search(attrs, NULL, attr_icon_src);
+       if (attr) {
+               struct file_wordexp *we;
+               char **array;
+               we = file_wordexp_new(attr->u.str);
+               array = file_wordexp_get_array(we);
+               this->icon_src = g_strdup(array[0]);
+               file_wordexp_destroy(we);
+       } else
+               this->icon_src = g_strjoin(NULL, getenv("NAVIT_SHAREDIR"), "/xpm/gui_strength_%d_32_32.png", NULL);
+
+       navit_add_callback(nav, callback_new_attr_1(callback_cast(osd_gps_status_init), attr_navit, this));
+       return (struct osd_priv *) this;
+}
+
+
+struct volume {
+       struct osd_item osd_item;
+       char *icon_src;
+       int icon_h, icon_w, active;
+       int strength;
+       struct callback *click_cb;
+};
+
+static void
+osd_volume_draw(struct volume *this, struct navit *navit)
+{
+       struct point p;
+       struct graphics_image *gr_image;
+       char *image;
+
+       osd_std_draw(&this->osd_item);
+       if (this->active) {
+               image = g_strdup_printf(this->icon_src, this->strength);
+               gr_image = graphics_image_new_scaled(this->osd_item.gr, image, this->icon_w, this->icon_h);
+               if (gr_image) {
+                       p.x = (this->osd_item.w - gr_image->width) / 2;
+                       p.y = (this->osd_item.h - gr_image->height) / 2;
+                       graphics_draw_image(this->osd_item.gr, this->osd_item.  graphic_fg_white, &p, gr_image);
+                       graphics_image_free(this->osd_item.gr, gr_image);
+               }
+               g_free(image);
+       }
+       graphics_draw_mode(this->osd_item.gr, draw_mode_end);
+}
+
+static void
+osd_volume_click(struct volume *this, struct navit *nav, int pressed, int button, struct point *p)
+{
+       struct point bp = this->osd_item.p;
+       wrap_point(&bp, nav);
+       if ((p->x < bp.x || p->y < bp.y || p->x > bp.x + this->osd_item.w || p->y > bp.y + this->osd_item.h) && !this->osd_item.pressed)
+               return;
+       navit_ignore_button(nav);
+       if (pressed) {
+               if (p->y - bp.y < this->osd_item.h/2)
+                       this->strength++;
+               else
+                       this->strength--;
+               if (this->strength < 0)
+                       this->strength=0;
+               if (this->strength > 5)
+                       this->strength=5;
+               osd_volume_draw(this, nav);
+       }
+}
+static void
+osd_volume_init(struct volume *this, struct navit *nav)
+{
+       osd_set_std_graphic(nav, &this->osd_item);
+       navit_add_callback(nav, this->click_cb = callback_new_attr_1(callback_cast (osd_volume_click), attr_button, this));
+       osd_volume_draw(this, nav);
+}
+
+static struct osd_priv *
+osd_volume_new(struct navit *nav, struct osd_methods *meth,
+                     struct attr **attrs)
+{
+       struct volume *this = g_new0(struct volume, 1);
+       struct attr *attr;
+
+       this->osd_item.p.x = 20;
+       this->osd_item.p.y = -80;
+       this->osd_item.w = 60;
+       this->osd_item.h = 40;
+       this->osd_item.font_size = 200;
+       osd_set_std_attr(attrs, &this->osd_item, 0);
+
+       this->icon_w = -1;
+       this->icon_h = -1;
+       this->active = -1;
+       this->strength = -1;
+
+       attr = attr_search(attrs, NULL, attr_icon_w);
+       if (attr)
+               this->icon_w = attr->u.num;
+
+       attr = attr_search(attrs, NULL, attr_icon_h);
+       if (attr)
+               this->icon_h = attr->u.num;
+
+       attr = attr_search(attrs, NULL, attr_icon_src);
+       if (attr) {
+               struct file_wordexp *we;
+               char **array;
+               we = file_wordexp_new(attr->u.str);
+               array = file_wordexp_get_array(we);
+               this->icon_src = g_strdup(array[0]);
+               file_wordexp_destroy(we);
+       } else
+               this->icon_src = g_strjoin(NULL, getenv("NAVIT_SHAREDIR"), "/xpm/gui_strength_%d_32_32.png", NULL);
+
+       navit_add_callback(nav, callback_new_attr_1(callback_cast(osd_volume_init), attr_navit, this));
+       return (struct osd_priv *) this;
+}
+
 
 void
 plugin_init(void)
 {
        plugin_register_osd_type("compass", osd_compass_new);
-       plugin_register_osd_type("navigation_next_turn",
-                                osd_nav_next_turn_new);
+       plugin_register_osd_type("navigation_next_turn", osd_nav_next_turn_new);
        plugin_register_osd_type("button", osd_button_new);
        plugin_register_osd_type("toggle_announcer", osd_nav_toggle_announcer_new);
        plugin_register_osd_type("speed_warner", osd_speed_warner_new);
        plugin_register_osd_type("text", osd_text_new);
+       plugin_register_osd_type("gps_status", osd_gps_status_new);
+       plugin_register_osd_type("volume", osd_volume_new);
 }