diff options
Diffstat (limited to 'osd.c')
| -rw-r--r-- | osd.c | 301 |
1 files changed, 301 insertions, 0 deletions
@@ -0,0 +1,301 @@ +/** + * Navit, a modular navigation system. + * Copyright (C) 2005-2008 Navit Team + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include <glib.h> +#include "debug.h" +#include "plugin.h" +#include "item.h" +#include "color.h" +#include "point.h" +#include "navit.h" +#include "graphics.h" +#include "command.h" +#include "callback.h" +#include "osd.h" + + +struct osd { + struct osd_methods meth; + struct osd_priv *priv; +}; + +struct osd * +osd_new(struct attr *parent, struct attr **attrs) +{ + struct osd *o; + struct osd_priv *(*new)(struct navit *nav, struct osd_methods *meth, struct attr **attrs); + struct attr *type=attr_search(attrs, NULL, attr_type); + + if (! type) + return NULL; + new=plugin_get_osd_type(type->u.str); + if (! new) + return NULL; + o=g_new0(struct osd, 1); + o->priv=new(parent->u.navit, &o->meth, attrs); + return o; +} + +void +osd_wrap_point(struct point *p, struct navit *nav) +{ + if (p->x < 0) + p->x += navit_get_width(nav); + if (p->y < 0) + p->y += navit_get_height(nav); + +} + +void +osd_std_click(struct osd_item *this, struct navit *nav, int pressed, int button, struct point *p) +{ + struct point bp = this->p; + osd_wrap_point(&bp, nav); + if ((p->x < bp.x || p->y < bp.y || p->x > bp.x + this->w || p->y > bp.y + this->h || !this->configured) && !this->pressed) + return; + if (navit_ignore_button(nav)) + return; + this->pressed = pressed; + if (pressed) { + struct attr navit; + navit.type=attr_navit; + navit.u.navit=nav; + dbg(0, "calling command '%s'\n", this->command); + command_evaluate(&navit, this->command); + } +} + +void +osd_std_resize(struct osd_item *item) +{ + graphics_overlay_resize(item->gr, &item->p, item->w, item->h, 65535, 1); +} + +static void +osd_std_calculate_sizes(struct osd_item *item, struct osd_priv *priv, int w, int h) +{ + struct attr vehicle_attr; + + if (item->rel_w) { + item->w = (item->rel_w * w) / 100; + } + + if (item->rel_h) { + item->h = (item->rel_h * h) / 100; + } + + if (item->rel_x) { + item->p.x = (item->rel_x * w) / 100; + } + + if (item->rel_y) { + item->p.y = (item->rel_y * h) / 100; + } + + osd_std_resize(item); + if (item->meth.draw) { + if (navit_get_attr(item->navit, attr_vehicle, &vehicle_attr, NULL)) { + item->meth.draw(priv, item->navit, vehicle_attr.u.vehicle); + } + } +} + +static void +osd_std_reconfigure(struct osd_item *item, struct command_saved *cs) +{ + if (!command_saved_error(cs)) { + graphics_overlay_disable(item->gr, !command_saved_get_int(cs)); + } else { + dbg(0, "Error in saved command: %i\n", command_saved_error(cs)); + } +} + +void +osd_set_std_attr(struct attr **attrs, struct osd_item *item, int flags) +{ + struct attr *attr; + + item->flags=flags; + item->osd_configuration=-1; + item->color_white.r = 0xffff; + item->color_white.g = 0xffff; + item->color_white.b = 0xffff; + item->color_white.a = 0xffff; + item->text_color.r = 0xffff; + item->text_color.g = 0xffff; + item->text_color.b = 0xffff; + item->text_color.a = 0xffff; + if (flags & 1) { + item->color_bg.r = 0x0808; + item->color_bg.g = 0x0808; + item->color_bg.b = 0xf8f8; + item->color_bg.a = 0x0000; + } else { + item->color_bg.r = 0x0; + item->color_bg.g = 0x0; + item->color_bg.b = 0x0; + item->color_bg.a = 0x5fff; + } + + attr=attr_search(attrs, NULL, attr_osd_configuration); + if (attr) + item->osd_configuration = attr->u.num; + + attr=attr_search(attrs, NULL, attr_enable_expression); + if (attr) { + item->enable_cs = command_saved_new(attr->u.str, item->navit, NULL); + } + + attr = attr_search(attrs, NULL, attr_w); + if (attr) { + if (attr->u.num > ATTR_REL_MAXABS) { + item->rel_w = attr->u.num - ATTR_REL_RELSHIFT; + } else { + item->rel_w = 0; + item->w = attr->u.num; + } + } + + attr = attr_search(attrs, NULL, attr_h); + if (attr) { + if (attr->u.num > ATTR_REL_MAXABS) { + item->rel_h = attr->u.num - ATTR_REL_RELSHIFT; + } else { + item->rel_h = 0; + item->h = attr->u.num; + } + } + + attr = attr_search(attrs, NULL, attr_x); + if (attr) { + if (attr->u.num > ATTR_REL_MAXABS) { + item->rel_x = attr->u.num - ATTR_REL_RELSHIFT; + } else { + item->rel_x = 0; + item->p.x = attr->u.num; + } + } + + attr = attr_search(attrs, NULL, attr_y); + if (attr) { + if (attr->u.num > ATTR_REL_MAXABS) { + item->rel_y = attr->u.num - ATTR_REL_RELSHIFT; + } else { + item->rel_y = 0; + item->p.y = attr->u.num; + } + } + + attr = attr_search(attrs, NULL, attr_font_size); + if (attr) + item->font_size = attr->u.num; + + attr=attr_search(attrs, NULL, attr_background_color); + if (attr) + item->color_bg=*attr->u.color; + attr = attr_search(attrs, NULL, attr_command); + if (attr) + item->command = g_strdup(attr->u.str); + attr=attr_search(attrs, NULL, attr_text_color); + if (attr) + item->text_color=*attr->u.color; + attr=attr_search(attrs, NULL, attr_flags); + if (attr) + item->attr_flags=attr->u.num; +} + +void +osd_std_config(struct osd_item *item, struct navit *navit) +{ + struct attr attr; + dbg(1,"enter\n"); + if (item->enable_cs) { + item->reconfig_cb = callback_new_1(callback_cast(osd_std_reconfigure), item); + command_saved_set_cb(item->enable_cs, item->reconfig_cb); + + if (!command_saved_error(item->enable_cs)) { + item->configured = !! command_saved_get_int(item->enable_cs); + } else { + dbg(0, "Error in saved command: %i.\n", command_saved_error(item->enable_cs)); + } + } else { + if (!navit_get_attr(navit, attr_osd_configuration, &attr, NULL)) + attr.u.num=-1; + item->configured = !!(attr.u.num & item->osd_configuration); + } + graphics_overlay_disable(item->gr, !item->configured); +} + +void +osd_set_std_graphic(struct navit *nav, struct osd_item *item, struct osd_priv *priv) +{ + struct graphics *navit_gr; + + navit_gr = navit_get_graphics(nav); + item->gr = graphics_overlay_new(navit_gr, &item->p, item->w, item->h, 65535, 1); + + item->graphic_bg = graphics_gc_new(item->gr); + graphics_gc_set_foreground(item->graphic_bg, &item->color_bg); + graphics_background_gc(item->gr, item->graphic_bg); + + item->graphic_fg_white = graphics_gc_new(item->gr); + graphics_gc_set_foreground(item->graphic_fg_white, &item->color_white); + + if (item->flags & 2) { + item->font = graphics_font_new(item->gr, item->font_size, 1); + item->graphic_fg_text = graphics_gc_new(item->gr); + graphics_gc_set_foreground(item->graphic_fg_text, &item->text_color); + } + + item->cb = callback_new_attr_2(callback_cast(osd_std_config), attr_osd_configuration, item, nav); + navit_add_callback(nav, item->cb); + + item->resize_cb = callback_new_attr_2(callback_cast(osd_std_calculate_sizes), attr_resize, item, priv); + graphics_add_callback(navit_gr, item->resize_cb); + + osd_std_config(item, nav); +} + +void +osd_std_draw(struct osd_item *item) +{ + struct point p[2]; + int flags=item->attr_flags; + + graphics_draw_mode(item->gr, draw_mode_begin); + p[0].x=0; + p[0].y=0; + graphics_draw_rectangle(item->gr, item->graphic_bg, p, item->w, item->h); + p[1].x=item->w-1; + p[1].y=0; + if (flags & 1) + graphics_draw_lines(item->gr, item->graphic_fg_text, p, 2); + p[0].x=item->w-1; + p[0].y=item->h-1; + if (flags & 2) + graphics_draw_lines(item->gr, item->graphic_fg_text, p, 2); + p[1].x=0; + p[1].y=item->h-1; + if (flags & 4) + graphics_draw_lines(item->gr, item->graphic_fg_text, p, 2); + p[0].x=0; + p[0].y=0; + if (flags & 8) + graphics_draw_lines(item->gr, item->graphic_fg_text, p, 2); +} |