/* src/client/control.c */
#include "control.h"
-#include <stdint.h> /* uint8_t, uint16_t */
+#include <stdint.h> /* uint8_t, uint16_t, uint32_t, UINT32_MAX */
+#include <stdlib.h> /* free() */
#include <stdio.h> /* sprintf() */
#include <string.h> /* strlen() */
+#include "../common/rexit.h" /* exit_err(), exit_trouble() */
+#include "../common/try_malloc.h" /* try_malloc() */
+#include "interface_conf.h" /* reload_interface_conf(), save_interface_conf() */
#include "io.h" /* send() */
#include "keybindings.h" /* get_command_to_keycode(), get_keycode_to_command(),
* mod_selected_keyb(), move_keyb_selection()
*/
-#include "map.h" /* for map_scroll(), map_center() */
-#include "misc.h" /* reload_interface_conf(), save_interface_conf(),
- * nav_inventory()
- */
-#include "windows.h" /* get_win_byid(), shift_active_win(), resize_active_win(),
- * toggle_win_size_type(), toggle_window(),
- * cycle_active_win(), scroll_v_screen(),
- * toggle_linebreak_type()
- */
-#include "world.h" /* for global world */
+#include "map.h" /* map_scroll(), map_center(), toggle_autofocus() */
+#include "wincontrol.h" /* shift_active_win(), resize_active_win(),
+ * toggle_win_size_type(), toggle_window(),
+ * cycle_active_win(), scroll_v_screen(),
+ * toggle_linebreak_type(), toggle_winconfig()
+ */
+#include "windows.h" /* get_win_by_id() */
+#include "world.h" /* world */
+/* Move world.inventory_sel up ("dir"="u") or down (else) as far as possible. */
+static void nav_inventory(char dir);
+
/* If "command"'s .dsc_short fits "match", apply "f" with provided char
* arguments and return 1; else, return 0.
*/
*/
static uint8_t try_client_commands(struct Command * command);
+/* If c == c_to_match, set "string" to "string_to_set". */
+static uint8_t set_string_if_char_match(char c, char c_to_match,
+ char ** string, char * string_to_set);
+
+/* Transform "command" to server command + argument string (free externally). */
+static char * build_server_message_with_argument(struct Command * command);
+
/* Try out "command" as one for server messaging; sending is .server_msg,
* followed by either a string representing "command"'s .arg, or, if .arg is
- * 'i', world.player_inventory_select. Return 1 on success, 0 on failure.
+ * 'i', world.player_inventory_select, or, if .arg is '0', nothing. Return 1 on
+ * success, 0 on failure.
*/
static uint8_t try_server_commands(struct Command * command);
+static void nav_inventory(char dir)
+{
+ if ('u' == dir)
+ {
+ world.player_inventory_select = world.player_inventory_select
+ - (world.player_inventory_select > 0);
+ return;
+ }
+ uint8_t n_elems = 0;
+ uint32_t i;
+ char * err = "Inventory string is too large.";
+ exit_err(UINT32_MAX <= strlen(world.player_inventory), err);
+ for (i = 0; '\0' != world.player_inventory[i]; i++)
+ {
+ n_elems = n_elems + ('\n' == world.player_inventory[i]);
+ }
+ world.player_inventory_select = world.player_inventory_select
+ + (world.player_inventory_select < n_elems);
+}
+
+
+
static uint8_t try_0args(struct Command * command, char * match, void (* f) ())
{
if (!strcmp(command->dsc_short, match))
static uint8_t try_client_commands(struct Command * command)
{
return ( try_0args(command, "map_c", map_center)
+ || try_0args(command, "to_autofocus", toggle_autofocus)
|| try_1args(command, "map_u", map_scroll, '8')
|| try_1args(command, "map_d", map_scroll, '2')
|| try_1args(command, "map_r", map_scroll, '6')
+static uint8_t set_string_if_char_match(char c, char c_to_match,
+ char ** string, char * string_to_set)
+{
+ if (c == c_to_match)
+ {
+ *string = string_to_set;
+ return 1;
+ }
+ return 0;
+}
+
+
+
+static char * build_server_message_with_argument(struct Command * cmd)
+{
+ uint8_t command_size = strlen(cmd->server_msg);
+ char * arg_str = "";
+ uint8_t arg_size = 0;
+ if ('i' == cmd->arg)
+ {
+ arg_size = 3;
+ arg_str = try_malloc(arg_size + 1, __func__);
+ int test = sprintf(arg_str, "%d",world.player_inventory_select);
+ exit_trouble(test < 0, __func__, "sprintf");
+ }
+ else if ( set_string_if_char_match(cmd->arg, 'd', &arg_str, "east")
+ || set_string_if_char_match(cmd->arg, 'c', &arg_str, "south-east")
+ || set_string_if_char_match(cmd->arg, 'x', &arg_str, "south-west")
+ || set_string_if_char_match(cmd->arg, 's', &arg_str, "west")
+ || set_string_if_char_match(cmd->arg, 'w', &arg_str, "north-west")
+ || set_string_if_char_match(cmd->arg, 'e', &arg_str, "north-east"))
+ {
+ arg_size = strlen(arg_str);
+ }
+ else
+ {
+ exit_err(1, "Illegal server command argument.");
+ }
+ char * msg = try_malloc(command_size + 1 + arg_size + 1, __func__);
+ int test = sprintf(msg, "%s %s", cmd->server_msg, arg_str);
+ exit_trouble(test < 0, __func__, "sprintf");
+ if ('i' == cmd->arg)
+ {
+ free(arg_str);
+ }
+ return msg;
+}
+
+
+
static uint8_t try_server_commands(struct Command * command)
{
if (command->server_msg)
{
- uint8_t arg = (uint8_t) command->arg;
- if ('i' == arg)
+ if ('0' == command->arg)
+ {
+ send(command->server_msg);
+ }
+ else
{
- arg = world.player_inventory_select;
+ char * msg = build_server_message_with_argument(command);
+ send(msg);
+ free(msg);
}
- uint8_t command_size = strlen(command->server_msg);
- uint8_t arg_size = 3;
- char msg[command_size + 1 + arg_size + 1];
- sprintf(msg, "%s %d", command->server_msg, arg);
- send(msg);
return 1;
}
return 0;