diff options
Diffstat (limited to 'gui/theme-config.cpp')
| -rw-r--r-- | gui/theme-config.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/gui/theme-config.cpp b/gui/theme-config.cpp new file mode 100644 index 0000000000..feb2ec6f43 --- /dev/null +++ b/gui/theme-config.cpp @@ -0,0 +1,175 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2006 The ScummVM project + * + * 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. + * + * $URL$ + * $Id$ + */ + +#include "gui/theme.h" +#include "gui/eval.h" + +namespace GUI { + +const char *Theme::_defaultConfigINI = "\n\ +# Define our classic greenish theme here\n\ +[XxY]\n\ +def_buttonHeight=kBigButtonHeight\n\ +def_kLineHeight=16\n\ +chooser_headline=10 6 (w - 2 * 16) (kLineHeight)\n\ +chooser_list=10 (6 + kLineHeight + 2) (w - 2 * 16) (h - self.y - buttonHeight - 12)\n\ +"; + +using Common::String; + +void Theme::processSingleLine(const String §ion, const String name, const String str) { + int level = 0; + int start = 0; + uint i; + int value; + const char *postfixes[] = {"x", "y", "w", "h"}; + int npostfix = 0; + + // Make self.BLAH work + for (i = 0; i < ARRAYSIZE(postfixes); i++) { + String from, to; + + from = String("self.") + postfixes[i]; + to = name + "." + postfixes[i]; + + _evaluator->setAlias(from, to); + _evaluator->setVariable(to, EVAL_UNDEF_VAR); + } + + for (i = 0; i < str.size(); i++) { + if (isspace(str[i]) && level == 0) { + value = _evaluator->eval(String(&(str.c_str()[start]), i - start), section, name, start); + _evaluator->setVariable(name + "." + postfixes[npostfix++], value); + start = i + 1; + } + if (str[i] == '(') + level++; + + if (str[i] == ')') { + if (level == 0) { + error("Extra ')' in section: [%s] expression: \"%s\" start is at: %d", + section.c_str(), name.c_str(), start); + } + level--; + } + } + + if (level > 0) + error("Missing ')' in section: [%s] expression: \"%s\" start is at: %d", + section.c_str(), name.c_str(), start); + + value = _evaluator->eval(String(&(str.c_str()[start]), i - start), section, name, start); + + // process VAR=VALUE construct + if (npostfix == 0) + _evaluator->setVariable(name, value); + else + _evaluator->setVariable(name + "." + postfixes[npostfix], value); + + // If we have all 4 parameters, set .x2 and .y2 + if (npostfix == 4) { + _evaluator->setVariable(name + ".x2", _evaluator->lookupVar(name + ".x") + + _evaluator->lookupVar(name + ".w")); + _evaluator->setVariable(name + ".y2", _evaluator->lookupVar(name + ".y") + + _evaluator->lookupVar(name + ".h")); + } +} + + +void Theme::processResSection(Common::ConfigFile &config, String name, bool skipDefs) { + debug(3, "Reading section: [%s]", name.c_str()); + + const Common::ConfigFile::SectionKeyList &keys = config.getKeys(name); + + Common::ConfigFile::SectionKeyList::const_iterator iterk; + for (iterk = keys.begin(); iterk != keys.end(); ++iterk) { + if (iterk->key == "set_parent") { + setParent(iterk->value); + continue; + } + if (iterk->key.hasPrefix("set_")) { + _evaluator->setAlias(name, iterk->key, iterk->value); + continue; + } + if (iterk->key.hasPrefix("def_")) { + if (!skipDefs) + _evaluator->setVariable(name, iterk->key, iterk->value); + continue; + } + if (iterk->key == "use") { + if (iterk->value == name) + error("Theme section [%s]: cannot use itself", name.c_str()); + if (!config.hasSection(name)) + error("Undefined use of section [%s]", name.c_str()); + processResSection(config, iterk->value, true); + continue; + } + processSingleLine(name, iterk->key, iterk->value); + } +} + +void Theme::setParent(const String &name) { + const char *postfixes[] = {"x", "y", "w", "h", "x2", "y2"}; + int i; + + for (i = 0; i < ARRAYSIZE(postfixes); i++) { + String from, to; + + from = String("parent.") + postfixes[i]; + to = name + "." + postfixes[i]; + + _evaluator->setAlias(from, to); + } +} + +bool Theme::isThemeLoadingRequired() { + int x = g_system->getOverlayWidth(), y = g_system->getOverlayHeight(); + + if (_loadedThemeX == x && _loadedThemeY == y) + return false; + + _loadedThemeX = x; + _loadedThemeY = y; + + return true; +} + +void Theme::loadTheme(Common::ConfigFile &config, bool reset) { + char name[80]; + int x = g_system->getOverlayWidth(), y = g_system->getOverlayHeight(); + + if (reset) + _evaluator->reset(); + + strcpy(name, "XxY"); + if (config.hasSection(name)) + processResSection(config, name); + + sprintf(name, "%dxY", x); + if (config.hasSection(name)) + processResSection(config, name); + + sprintf(name, "%dx%d", x, y); + if (config.hasSection(name)) + processResSection(config, name); +} + +} // End of namespace GUI |