diff options
Diffstat (limited to 'navit/osd.c')
| -rw-r--r-- | navit/osd.c | 515 |
1 files changed, 0 insertions, 515 deletions
diff --git a/navit/osd.c b/navit/osd.c deleted file mode 100644 index a0c9183d1..000000000 --- a/navit/osd.c +++ /dev/null @@ -1,515 +0,0 @@ -/** - * 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 "xmlconfig.h" -#include "color.h" -#include "point.h" -#include "navit.h" -#include "graphics.h" -#include "command.h" -#include "callback.h" -#include "osd.h" - - -struct osd { - NAVIT_OBJECT - struct osd_methods meth; - struct osd_priv *priv; -}; - -int -osd_set_methods(struct osd_methods *in, int in_size, struct osd_methods *out) -{ - return navit_object_set_methods(in, in_size, out, sizeof(struct osd_methods)); -} - -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),cbl; - - if (! type) - return NULL; - new=plugin_get_category_osd(type->u.str); - if (! new) { - dbg(lvl_error, "invalid OSD type '%s'\n", type->u.str); - return NULL; - } - o=g_new0(struct osd, 1); - o->attrs=attr_list_dup(attrs); - cbl.type=attr_callback_list; - cbl.u.callback_list=callback_list_new(); - o->attrs=attr_generic_prepend_attr(o->attrs, &cbl); - - o->priv=new(parent->u.navit, &o->meth, o->attrs); - if (o->priv) { - o->func=&osd_func; - navit_object_ref((struct navit_object *)o); - } else { - attr_list_free(o->attrs); - g_free(o); - o=NULL; - } - dbg(lvl_debug,"new osd %p\n",o); - return o; -} - -int -osd_get_attr(struct osd *osd, enum attr_type type, struct attr *attr, struct attr_iter *iter) -{ - int ret=0; - if(osd && osd->meth.get_attr) - /* values for ret: -1: Not possible, 0: Ignored by driver, 1 valid */ - ret=osd->meth.get_attr(osd->priv, type, attr); - if (ret == -1) - return 0; - if (ret > 0) - return 1; - return navit_object_get_attr((struct navit_object *)osd, type, attr, iter); -} - -int -osd_set_attr(struct osd *osd, struct attr* attr) -{ - int ret=0; - if(osd && osd->meth.set_attr) - /* values for ret: -1: Not possible, 0: Ignored by driver, 1 set and store, 2 set, don't store */ - ret=osd->meth.set_attr(osd->priv, attr); - if (ret == -1) - return 0; - if (ret == 2) - return 1; - return navit_object_set_attr((struct navit_object *)osd, attr); -} - -static void -osd_destroy(struct osd *osd) -{ - if (!osd) - return; - if (osd->meth.destroy) - osd->meth.destroy(osd->priv); - attr_list_free(osd->attrs); - g_free(osd); -} - -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); - -} - -static void -osd_evaluate_command(struct osd_item *this, struct navit *nav) -{ - struct attr navit; - navit.type=attr_navit; - navit.u.navit=nav; - dbg(lvl_debug, "calling command '%s'\n", this->command); - command_evaluate(&navit, this->command); -} - -void -osd_std_click(struct osd_item *this, struct navit *nav, int pressed, int button, struct point *p) -{ - int click_is_outside_item; - struct point bp = this->p; - if (!this->command || !this->command[0]) - return; - osd_wrap_point(&bp, nav); - click_is_outside_item = p->x < bp.x || p->y < bp.y || p->x > bp.x + this->w || p->y > bp.y + this->h; - if ((click_is_outside_item || !this->configured) && !this->pressed) - return; - if (button != 1) - return; - if (!!pressed == !!this->pressed) - return; - if (navit_ignore_button(nav)) - return; - this->pressed = pressed; - if (pressed && this->command) - osd_evaluate_command(this, nav); -} - -void -osd_std_resize(struct osd_item *item) -{ - graphics_overlay_resize(item->gr, &item->p, item->w, item->h, 1); -} - -/** - * @brief Calculates the size and position of an OSD item. - * - * If the geometry of the OSD item is specified relative to screen dimensions, - * this function will set its absolute dimensions accordingly. If relative width - * or relative height is set to 0% (int value is equal to ATTR_REL_RELSHIFT), - * object width (height) is not changed here, for button and image osds it means - * to derive values from the underlying image. - * - * This method considers padding if the graphics plugin supports it (i.e. its `get_data` method returns - * a valid pointer if `"padding"` is supplied as its arument): It will offset the origin of the item by - * the amount of padding in the left and top edges, and will reduce `w` and `h` by the total amount of - * padding in the respective dimension to obtain the equivalent of 100%. - * - * If the graphics driver does not support padding, none of these corrections take place (this is - * equivalent to 0 padding on all sides). - * - * @param item The item whose size and position are to be calculated - * @param w Available screen width in pixels - * @param h Available screen height in pixels - */ -void -osd_std_calculate_sizes(struct osd_item *item, int w, int h) -{ - struct padding *padding = NULL; - - if (item->gr) { - padding = graphics_get_data(item->gr, "padding"); - if (padding) { - dbg(lvl_debug, "Got padding=%p for item=%p (item->gr=%p): left=%d top=%d right=%d bottom=%d\n", - padding, item, item->gr, padding->left, padding->top, padding->right, padding->bottom); - } else { - dbg(lvl_debug, "Got padding=%p for item=%p (item->gr=%p)\n", - padding, item, item->gr); - } - } else - dbg(lvl_warning, "cannot get padding for item=%p: item->gr is NULL\n", item); - - /* reduce w and h by total padding in the respective dimension */ - if (padding) { - w -= (padding->left + padding->right); - h -= (padding->top + padding->bottom); - } - - if(item->rel_w!=ATTR_REL_RELSHIFT) - item->w=attr_rel2real(item->rel_w, w, 1); - if(item->w<0) - item->w=0; - if(item->rel_h!=ATTR_REL_RELSHIFT) - item->h=attr_rel2real(item->rel_h, h, 1); - if(item->h<0) - item->h=0; - item->p.x=attr_rel2real(item->rel_x, w, 1); - item->p.y=attr_rel2real(item->rel_y, h, 1); - - /* add left and top padding to item->p */ - if (padding) { - item->p.x += padding->left; - item->p.y += padding->top; - } -} - -/** - * @brief Recalculates the size and position of an OSD item and - * triggers a redraw of the item. - * - * This is a callback function that can be stored in the `resize_cb` member of an OSD item. - * - * @param item The OSD item to resize and redraw - * @param priv - * @param w Available screen width in pixels (the width that corresponds to - * 100%) - * @param h Available screen height in pixels (the height that corresponds to - * 100%) - */ -static void -osd_std_calculate_sizes_and_redraw(struct osd_item *item, struct osd_priv *priv, int w, int h) -{ - struct attr vehicle_attr; - - osd_std_calculate_sizes(item, w, h); - - osd_std_resize(item); - item->do_draw=1; - 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); - item->do_draw=0; - } - } -} - -static void -osd_std_keypress(struct osd_item *item, struct navit *nav, char *key) -{ -#if 0 - int i; - dbg(lvl_debug,"key=%s\n",key); - for (i = 0 ; i < strlen(key) ; i++) { - dbg(lvl_debug,"key:0x%02x\n",key[i]); - } - for (i = 0 ; i < strlen(item->accesskey) ; i++) { - dbg(lvl_debug,"accesskey:0x%02x\n",item->accesskey[i]); - } -#endif - if ( ! graphics_is_disabled(item->gr) && item->accesskey && key && !strcmp(key, item->accesskey)) - osd_evaluate_command(item, nav); -} - -/** - * @brief Configures or unconfigures an OSD item. - * - * This method evaluates the result of the last execution of {@code cs}. If it evaluates to true, the - * item is configured, else it is unconfigured. (A configured item is displayed on the screen and can - * respond to user input, an unconfigured item is invisible and cannot receive user input.) - * - * If an error occurred during evaluation of {@code cs}, the item's configuration state is not changed. - * - * @param item The OSD item to reconfigure - * @param cs The command to evaluate - */ -static void -osd_std_reconfigure(struct osd_item *item, struct command_saved *cs) -{ - char *err = NULL; /* Error description */ - - dbg(lvl_debug, "enter, item=%p, cs=%p\n", item, cs); - if (!command_saved_error(cs)) { - item->configured = !! command_saved_get_int(cs); - if (item->gr && !(item->flags & 16)) - graphics_overlay_disable(item->gr, !item->configured); - } else { - err = command_error_to_text(command_saved_error(cs)); - dbg(lvl_error, "Error in saved command: %s, cs=%p.\n", err, cs); - g_free(err); - } -} - -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_fg.r = 0xffff; - item->color_fg.g = 0xffff; - item->color_fg.b = 0xffff; - item->color_fg.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, 0); - } - - attr = attr_search(attrs, NULL, attr_w); - if (attr) { - item->rel_w = attr->u.num; - } - - attr = attr_search(attrs, NULL, attr_h); - if (attr) { - item->rel_h = attr->u.num; - } - - attr = attr_search(attrs, NULL, attr_x); - if (attr) { - item->rel_x = attr->u.num; - } - - attr = attr_search(attrs, NULL, attr_y); - if (attr) { - item->rel_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_foreground_color); - if (attr) - item->color_fg=*attr->u.color; - attr=attr_search(attrs, NULL, attr_accesskey); - if (attr) - item->accesskey = g_strdup(attr->u.str); - attr=attr_search(attrs, NULL, attr_font); - if (attr) - item->font_name = g_strdup(attr->u.str); - -} -void -osd_std_config(struct osd_item *item, struct navit *navit) -{ - struct attr attr; - char *err = NULL; /* Error description */ - - dbg(lvl_debug, "enter, item=%p, enable_cs=%p\n", item, item->enable_cs); - 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 { - err = command_error_to_text(command_saved_error(item->enable_cs)); - dbg(lvl_error, "Error in saved command: %s, item=%p.\n", err, item); - g_free(err); - } - } else { - if (!navit_get_attr(navit, attr_osd_configuration, &attr, NULL)) - attr.u.num=-1; - item->configured = !!(attr.u.num & item->osd_configuration); - } - if (item->gr && !(item->flags & 16)) - graphics_overlay_disable(item->gr, !item->configured); -} - -void -osd_set_std_config(struct navit *nav, struct osd_item *item) -{ - dbg(lvl_debug, "enter, item=%p\n", item); - item->cb = callback_new_attr_2(callback_cast(osd_std_config), attr_osd_configuration, item, nav); - navit_add_callback(nav, item->cb); - osd_std_config(item, nav); -} - -void -osd_set_keypress(struct navit *nav, struct osd_item *item) -{ - struct graphics *navit_gr = navit_get_graphics(nav); - dbg(lvl_info,"accesskey %s\n",item->accesskey); - if (item->accesskey) { - item->keypress_cb=callback_new_attr_2(callback_cast(osd_std_keypress), attr_keypress, item, nav); - graphics_add_callback(navit_gr, item->keypress_cb); - } -} - -/** - * @brief Sets up the graphics for an item. - * - * This method creates a new graphics overlay for an item and initializes its attributes (colors, font - * and callbacks for resize and key events). - * - * @param nav The navit object - * @param item The OSD item - * @param priv The `struct osd_priv` for the OSD item - */ -void -osd_set_std_graphic(struct navit *nav, struct osd_item *item, struct osd_priv *priv) -{ - struct graphics *navit_gr; - int w, h; - struct padding *padding = NULL; - - navit_gr = navit_get_graphics(nav); - w = navit_get_width(nav); - h = navit_get_height(nav); - - padding = graphics_get_data(navit_gr, "padding"); - - if (padding) { - dbg(lvl_debug, "Got padding=%p for item=%p: left=%d top=%d right=%d bottom=%d\n", - padding, item, padding->left, padding->top, padding->right, padding->bottom); - w -= (padding->left + padding->right); - h -= (padding->top + padding->bottom); - } else - dbg(lvl_debug, "Padding is NULL\n"); - - osd_std_calculate_sizes(item, w, h); - - if (padding) { - item->p.x += padding->left; - item->p.y += padding->top; - } - - item->gr = graphics_overlay_new(navit_gr, &item->p, item->w, item->h, 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 = graphics_gc_new(item->gr); - graphics_gc_set_foreground(item->graphic_fg, &item->color_fg); - - if (item->flags & 2) { - item->font = graphics_named_font_new(item->gr, item->font_name, item->font_size, 1); - item->graphic_fg_text = graphics_gc_new(item->gr); - graphics_gc_set_foreground(item->graphic_fg_text, &item->text_color); - } - - osd_set_std_config(nav, item); - - item->resize_cb = callback_new_attr_2(callback_cast(osd_std_calculate_sizes_and_redraw), attr_resize, item, priv); - graphics_add_callback(navit_gr, item->resize_cb); - osd_set_keypress(nav, item); -} - -void -osd_fill_with_bgcolor(struct osd_item *item) -{ - struct point p[1]; - 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); -} - -struct object_func osd_func = { - attr_osd, - (object_func_new)osd_new, - (object_func_get_attr)osd_get_attr, - (object_func_iter_new)navit_object_attr_iter_new, - (object_func_iter_destroy)navit_object_attr_iter_destroy, - (object_func_set_attr)osd_set_attr, - (object_func_add_attr)navit_object_add_attr, - (object_func_remove_attr)navit_object_remove_attr, - (object_func_init)NULL, - (object_func_destroy)osd_destroy, - (object_func_dup)NULL, - (object_func_ref)navit_object_ref, - (object_func_unref)navit_object_unref, -}; |