/**************************************************************************
Button pressed at overview
**************************************************************************/
gboolean butt_down_overviewcanvas(GtkWidget *w, GdkEventButton *ev, gpointer data)
{
int xtile, ytile;
if (ev->type != GDK_BUTTON_PRESS)
return TRUE; /* Double-clicks? Triple-clicks? No thanks! */
overview_to_map_pos(&xtile, &ytile, ev->x, ev->y);
if (can_client_change_view() && (ev->button == 3)) {
center_tile_mapcanvas(map_pos_to_tile(xtile, ytile));
} else if (can_client_issue_orders() && (ev->button == 1)) {
do_map_click(map_pos_to_tile(xtile, ytile),
(ev->state & GDK_SHIFT_MASK) ? SELECT_APPEND : SELECT_POPUP);
}
return TRUE;
}
/**************************************************************************
...
**************************************************************************/
static void overview_mouse_press_callback(struct sw_widget *widget,
const struct ct_point *pos,
enum be_mouse_button button,
int state, void *data)
{
int xtile, ytile;
freelog(LOG_DEBUG, "press (%d,%d)", pos->x, pos->y);
overview_to_map_pos(&xtile,&ytile,pos->x,pos->y);
freelog(LOG_DEBUG, " --> (%d,%d)", xtile, ytile);
if (can_client_change_view() && button == 3) {
center_tile_mapcanvas(map_pos_to_tile(xtile, ytile));
}
/* FIXME else if (can_client_issue_orders() && ev->button == 1) {
do_unit_goto(xtile, ytile);
}
*/
}
/**************************************************************************
...
**************************************************************************/
void mapctrl_btn_overviewcanvas(XEvent *event)
{
int map_x, map_y;
struct tile *ptile;
XButtonEvent *ev = &event->xbutton;
if (!can_client_change_view()) {
return;
}
overview_to_map_pos(&map_x, &map_y, event->xbutton.x, event->xbutton.y);
ptile = map_pos_to_tile(map_x, map_y);
if (!ptile) {
return;
}
if(ev->button==Button1)
do_map_click(ptile, SELECT_POPUP);
else if(ev->button==Button3)
center_tile_mapcanvas(ptile);
}
/***************************************************************************
Client variant of city_tile(). This include the case of this could a
ghost city (see client/packhand.c). In a such case, the returned tile
is an approximative position of the city on the map.
***************************************************************************/
struct tile *client_city_tile(const struct city *pcity)
{
int dx, dy;
double x = 0, y = 0;
size_t num = 0;
if (NULL == pcity) {
return NULL;
}
if (NULL != city_tile(pcity)) {
/* Normal city case. */
return city_tile(pcity);
}
whole_map_iterate(ptile) {
int tile_x, tile_y;
index_to_map_pos(&tile_x, &tile_y, tile_index(ptile));
if (pcity == tile_worked(ptile)) {
if (0 == num) {
x = tile_x;
y = tile_y;
num = 1;
} else {
num++;
base_map_distance_vector(&dx, &dy, (int)x, (int)y, tile_x, tile_y);
x += (double) dx / num;
y += (double) dy / num;
}
}
} whole_map_iterate_end;
if (0 < num) {
return map_pos_to_tile((int) x, (int) y);
} else {
return NULL;
}
}
