/**
* Empties the string buffer that is edited by the filter text edit widget.
* It also triggers the redraw of the widget so it become visible that the string has been made empty.
*/
void ClearFilterTextWidget()
{
this->edit_str_buf[0] = '\0';
UpdateTextBufferSize(&this->text);
this->SetWidgetDirty(WID_SIL_FILTER_TEXT);
}
/**
* Navigate Up/Down in the history of typed commands
* @param direction Go further back in history (+1), go to recently typed commands (-1)
*/
static void IConsoleHistoryNavigate(int direction)
{
if (_iconsole_history[0] == NULL) return; // Empty history
int i = _iconsole_historypos + direction;
/* watch out for overflows, just wrap around */
if (i < 0) i = ICON_HISTORY_SIZE - 1;
if ((uint)i >= ICON_HISTORY_SIZE) i = 0;
if (direction > 0) {
if (_iconsole_history[i] == NULL) i = 0;
}
if (direction < 0) {
while (i > 0 && _iconsole_history[i] == NULL) i--;
}
_iconsole_historypos = i;
IConsoleClearCommand();
/* copy history to 'command prompt / bash' */
assert(_iconsole_history[i] != NULL && IsInsideMM(i, 0, ICON_HISTORY_SIZE));
ttd_strlcpy(_iconsole_cmdline.buf, _iconsole_history[i], _iconsole_cmdline.max_bytes);
UpdateTextBufferSize(&_iconsole_cmdline);
}
virtual void OnTimeout()
{
/* This test protects against using widgets 11 and 12 which are only available
* in those two saveload mode */
if (!(_saveload_mode == SLD_SAVE_GAME || _saveload_mode == SLD_SAVE_SCENARIO)) return;
if (this->IsWidgetLowered(SLWW_DELETE_SELECTION)) { // Delete button clicked
if (!FiosDelete(this->text.buf)) {
ShowErrorMessage(STR_ERROR_UNABLE_TO_DELETE_FILE, INVALID_STRING_ID, WL_ERROR);
} else {
this->InvalidateData();
/* Reset file name to current date on successful delete */
if (_saveload_mode == SLD_SAVE_GAME) GenerateFileName();
}
UpdateTextBufferSize(&this->text);
} else if (this->IsWidgetLowered(SLWW_SAVE_GAME)) { // Save button clicked
_switch_mode = SM_SAVE;
FiosMakeSavegameName(_file_to_saveload.name, this->text.buf, sizeof(_file_to_saveload.name));
/* In the editor set up the vehicle engines correctly (date might have changed) */
if (_game_mode == GM_EDITOR) StartupEngines();
}
}
/**
* See if we can auto-complete the current text of the user.
*/
void ChatTabCompletion()
{
static char _chat_tab_completion_buf[NETWORK_CHAT_LENGTH];
assert(this->edit_str_size == lengthof(_chat_tab_completion_buf));
Textbuf *tb = &this->text;
size_t len, tb_len;
uint item;
char *tb_buf, *pre_buf;
const char *cur_name;
bool second_scan = false;
item = 0;
/* Copy the buffer so we can modify it without damaging the real data */
pre_buf = (_chat_tab_completion_active) ? strdup(_chat_tab_completion_buf) : strdup(tb->buf);
tb_buf = ChatTabCompletionFindText(pre_buf);
tb_len = strlen(tb_buf);
while ((cur_name = ChatTabCompletionNextItem(&item)) != NULL) {
item++;
if (_chat_tab_completion_active) {
/* We are pressing TAB again on the same name, is there another name
* that starts with this? */
if (!second_scan) {
size_t offset;
size_t length;
/* If we are completing at the begin of the line, skip the ': ' we added */
if (tb_buf == pre_buf) {
offset = 0;
length = (tb->bytes - 1) - 2;
} else {
/* Else, find the place we are completing at */
offset = strlen(pre_buf) + 1;
length = (tb->bytes - 1) - offset;
}
/* Compare if we have a match */
if (strlen(cur_name) == length && strncmp(cur_name, tb->buf + offset, length) == 0) second_scan = true;
continue;
}
/* Now any match we make on _chat_tab_completion_buf after this, is perfect */
}
len = strlen(cur_name);
if (tb_len < len && strncasecmp(cur_name, tb_buf, tb_len) == 0) {
/* Save the data it was before completion */
if (!second_scan) snprintf(_chat_tab_completion_buf, lengthof(_chat_tab_completion_buf), "%s", tb->buf);
_chat_tab_completion_active = true;
/* Change to the found name. Add ': ' if we are at the start of the line (pretty) */
if (pre_buf == tb_buf) {
snprintf(tb->buf, this->edit_str_size, "%s: ", cur_name);
} else {
snprintf(tb->buf, this->edit_str_size, "%s %s", pre_buf, cur_name);
}
/* Update the textbuffer */
UpdateTextBufferSize(&this->text);
this->SetDirty();
free(pre_buf);
return;
}
}
if (second_scan) {
/* We walked all posibilities, and the user presses tab again.. revert to original text */
strcpy(tb->buf, _chat_tab_completion_buf);
_chat_tab_completion_active = false;
/* Update the textbuffer */
UpdateTextBufferSize(&this->text);
this->SetDirty();
}
free(pre_buf);
}
virtual void OnClick(Point pt, int widget, int click_count)
{
switch (widget) {
case SLWW_SORT_BYNAME: // Sort save names by name
_savegame_sort_order = (_savegame_sort_order == SORT_BY_NAME) ?
SORT_BY_NAME | SORT_DESCENDING : SORT_BY_NAME;
_savegame_sort_dirty = true;
this->SetDirty();
break;
case SLWW_SORT_BYDATE: // Sort save names by date
_savegame_sort_order = (_savegame_sort_order == SORT_BY_DATE) ?
SORT_BY_DATE | SORT_DESCENDING : SORT_BY_DATE;
_savegame_sort_dirty = true;
this->SetDirty();
break;
case SLWW_HOME_BUTTON: // OpenTTD 'button', jumps to OpenTTD directory
FiosBrowseTo(&o_dir);
this->InvalidateData();
break;
case SLWW_LOAD_BUTTON:
if (this->selected != NULL && !_load_check_data.HasErrors()) {
_switch_mode = (_game_mode == GM_EDITOR) ? SM_LOAD_SCENARIO : SM_LOAD;
const char *name = FiosBrowseTo(this->selected);
SetFiosType(this->selected->type);
strecpy(_file_to_saveload.name, name, lastof(_file_to_saveload.name));
strecpy(_file_to_saveload.title, this->selected->title, lastof(_file_to_saveload.title));
delete this;
}
break;
case SLWW_NEWGRF_INFO:
if (_load_check_data.HasNewGrfs()) {
ShowNewGRFSettings(false, false, false, &_load_check_data.grfconfig);
}
break;
case SLWW_DRIVES_DIRECTORIES_LIST: { // Click the listbox
int y = (pt.y - this->GetWidget<NWidgetBase>(SLWW_DRIVES_DIRECTORIES_LIST)->pos_y - WD_FRAMERECT_TOP) / this->resize.step_height;
if (y < 0 || (y += this->vscroll.GetPosition()) >= this->vscroll.GetCount()) return;
const FiosItem *file = _fios_items.Get(y);
const char *name = FiosBrowseTo(file);
if (name != NULL) {
if (click_count == 1) {
if (this->selected != file) {
this->selected = file;
_load_check_data.Clear();
if (file->type == FIOS_TYPE_FILE || file->type == FIOS_TYPE_SCENARIO) {
SaveOrLoad(name, SL_LOAD_CHECK, NO_DIRECTORY, false);
}
this->InvalidateData(1);
}
if (_saveload_mode == SLD_SAVE_GAME || _saveload_mode == SLD_SAVE_SCENARIO) {
/* Copy clicked name to editbox */
ttd_strlcpy(this->text.buf, file->title, this->text.maxsize);
UpdateTextBufferSize(&this->text);
this->SetWidgetDirty(SLWW_SAVE_OSK_TITLE);
}
} else if (!_load_check_data.HasErrors()) {
this->selected = file;
if (_saveload_mode == SLD_LOAD_GAME || _saveload_mode == SLD_LOAD_SCENARIO) {
this->OnClick(pt, SLWW_LOAD_BUTTON, 1);
} else if (_saveload_mode == SLD_LOAD_HEIGHTMAP) {
SetFiosType(file->type);
strecpy(_file_to_saveload.name, name, lastof(_file_to_saveload.name));
strecpy(_file_to_saveload.title, file->title, lastof(_file_to_saveload.title));
delete this;
ShowHeightmapLoad();
}
}
} else {
/* Changed directory, need refresh. */
this->InvalidateData();
}
break;
}
case SLWW_CONTENT_DOWNLOAD:
if (!_network_available) {
ShowErrorMessage(STR_NETWORK_ERROR_NOTAVAILABLE, INVALID_STRING_ID, WL_ERROR);
} else {
#if defined(ENABLE_NETWORK)
switch (_saveload_mode) {
default:
NOT_REACHED();
case SLD_LOAD_SCENARIO:
ShowNetworkContentListWindow(NULL, CONTENT_TYPE_SCENARIO);
break;
case SLD_LOAD_HEIGHTMAP:
ShowNetworkContentListWindow(NULL, CONTENT_TYPE_HEIGHTMAP);
break;
}
#endif
}
break;
case SLWW_DELETE_SELECTION:
case SLWW_SAVE_GAME: // Delete, Save game
break;
}
}
