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Diffstat (limited to 'list.cpp')
| -rw-r--r-- | list.cpp | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/list.cpp b/list.cpp new file mode 100644 index 0000000..e282cff --- /dev/null +++ b/list.cpp @@ -0,0 +1,202 @@ +/* + * Sudoku: A plug-in for the Video Disk Recorder + * + * Copyright (C) 2008, Thomas Günther <tom@toms-cafe.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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. + * + * $Id: list.cpp 114 2008-03-16 22:20:33Z tom $ + */ + +#include "list.h" +#include "i18n.h" +#include <vdr/config.h> +#include <vdr/osdbase.h> +#include <vdr/osd.h> +#include <vdr/menuitems.h> +#include <assert.h> + +using namespace SudokuPlugin; + + +//--- class SudokuPlugin::ListLine --------------------------------------------- + +/** Default constructor for cConfig<ListLine> */ +ListLine::ListLine() +{ +} + +/** Constructor */ +ListLine::ListLine(const char* sudoku, const char* description) : + sudoku(sudoku), description(description) +{ + assert(sudoku != NULL); + assert(description != NULL); +} + +/** Get the sudoku dump. */ +const char* ListLine::get_sudoku() const +{ + assert((const char*)sudoku != NULL); + return sudoku; +} + +/** Get the description. */ +const char* ListLine::get_description() const +{ + assert((const char*)description != NULL); + return description; +} + +/** Set the description. */ +void ListLine::set_description(const char* new_description) +{ + assert(new_description != NULL); + description = skipspace(new_description); +} + +/** Parse a line of the sudoku list. */ +bool ListLine::Parse(const char* line) +{ + const char *delim = strchr(line, ' '); + if (delim) + { + sudoku = cString(strndup(line, delim - line), true); + description = skipspace(delim); + } + else + { + sudoku = line; + description = ""; + } + assert((const char*)sudoku != NULL); + assert((const char*)description != NULL); + return !isempty(sudoku); +} + +/** Save a line of the sudoku list. */ +bool ListLine::Save(FILE* file) const +{ + return fprintf(file, "%s %s\n", *sudoku, *description) > 0; +} + + +//--- class SudokuPlugin::ListMenu --------------------------------------------- + +/** Constructor */ +ListMenu::ListMenu(const char* filename, const char* new_sudoku) : + cOsdMenu(tr("Sudoku list")), selected(-1), save_mode(new_sudoku) +{ + list.Load(filename); + if (save_mode) + list.Add(new ListLine(new_sudoku)); + refresh(); + if (save_mode) + { + SetCurrent(Last()); + AddSubMenu(new ListEdit(*list.Get(Current()))); + ProcessKey(kRight); // enter edit mode + } +} + +/** Get the selected sudoku. */ +const char* ListMenu::get_selected_sudoku() const +{ + ListLine* line = list.Get(selected); + if (line) + return line->get_sudoku(); + return NULL; +} + +/** Process user events. */ +eOSState ListMenu::ProcessKey(eKeys key) +{ + bool had_submenu = HasSubMenu(); + if (key == kBlue && !HasSubMenu()) + key = kBack; + if (key == kGreen && !HasSubMenu() && !save_mode) + key = kOk; + eOSState state = cOsdMenu::ProcessKey(key); + if (state == osUnknown) + { + state = osContinue; + switch (key) + { + case kRed: + if (Current() >= 0 && Current() < list.Count()) + return AddSubMenu(new ListEdit(*list.Get(Current()))); + break; + case kYellow: + if (Current() >= 0 && Current() < list.Count()) + list.Del(list.Get(Current())); + refresh(); + list.Save(); + break; + case kOk: + if (Current() >= 0 && Current() < list.Count() && !save_mode) + selected = Current(); + state = osBack; + break; + default: + break; + } + } + if (had_submenu && !HasSubMenu()) + { + refresh(); + list.Save(); + } + return state; +} + +/** Refresh the list menu. */ +void ListMenu::refresh() +{ + int current = Current(); + Clear(); + SetHasHotkeys(); + for (ListLine* line = list.First(); line; line = list.Next(line)) + Add(new cOsdItem(hk(line->get_description()))); + SetCurrent(Get(current)); + SetHelp(trVDR("Button$Edit"), save_mode ? NULL : tr("Button$Load"), + trVDR("Button$Delete"), tr("Button$Back")); + Display(); +} + + +//--- class SudokuPlugin::ListEdit --------------------------------------------- + +/** Constructor */ +ListEdit::ListEdit(ListLine& line) : + cOsdMenu(tr("Edit sudoku list"), 15), line(line) +{ + strn0cpy(description, line.get_description(), sizeof(description)); + Add(new cMenuEditStrItem(tr("Description"), description, sizeof(description))); +} + +/** Process user events. */ +eOSState ListEdit::ProcessKey(eKeys key) +{ + eOSState state = cOsdMenu::ProcessKey(key); + if (state == osUnknown) + { + if (key == kOk) + { + line.set_description(description); + state = osBack; + } + } + return state; +} |