mirror of
https://github.com/aseprite/aseprite.git
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17151cddcd
In this was we can process the text string just one time to remove the character preceded by '&' that will be finally acts as a mnemonic. This simplifies the rendering and text measure code too.
712 lines
21 KiB
C++
712 lines
21 KiB
C++
// Aseprite
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// Copyright (C) 2001-2017 David Capello
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "app/widget_loader.h"
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#include "app/app.h"
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#include "app/i18n/strings.h"
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#include "app/modules/gui.h"
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#include "app/resource_finder.h"
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#include "app/ui/button_set.h"
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#include "app/ui/color_button.h"
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#include "app/ui/drop_down_button.h"
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#include "app/ui/icon_button.h"
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#include "app/ui/search_entry.h"
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#include "app/ui/skin/skin_style_property.h"
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#include "app/ui/skin/skin_theme.h"
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#include "app/widget_not_found.h"
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#include "app/xml_document.h"
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#include "app/xml_exception.h"
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#include "base/bind.h"
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#include "base/fs.h"
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#include "base/memory.h"
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#include "she/system.h"
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#include "ui/ui.h"
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#include "tinyxml.h"
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#include <climits>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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namespace app {
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using namespace ui;
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using namespace app::skin;
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static int convert_align_value_to_flags(const char *value);
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static int int_attr(const TiXmlElement* elem, const char* attribute_name, int default_value);
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WidgetLoader::WidgetLoader()
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: m_tooltipManager(NULL)
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{
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}
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WidgetLoader::~WidgetLoader()
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{
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for (TypeCreatorsMap::iterator
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it=m_typeCreators.begin(), end=m_typeCreators.end(); it != end; ++it)
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it->second->dispose();
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}
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void WidgetLoader::addWidgetType(const char* tagName, IWidgetTypeCreator* creator)
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{
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m_typeCreators[tagName] = creator;
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}
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Widget* WidgetLoader::loadWidget(const char* fileName, const char* widgetId, ui::Widget* widget)
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{
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std::string buf;
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ResourceFinder rf;
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rf.addPath(fileName);
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buf = "widgets/";
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buf += fileName;
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rf.includeDataDir(buf.c_str());
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if (!rf.findFirst())
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throw WidgetNotFound(widgetId);
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widget = loadWidgetFromXmlFile(rf.filename(), widgetId, widget);
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if (!widget)
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throw WidgetNotFound(widgetId);
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return widget;
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}
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Widget* WidgetLoader::loadWidgetFromXmlFile(
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const std::string& xmlFilename,
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const std::string& widgetId,
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ui::Widget* widget)
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{
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m_tooltipManager = NULL;
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m_stringIdPrefix = widgetId;
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XmlDocumentRef doc(open_xml(xmlFilename));
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TiXmlHandle handle(doc.get());
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// Search the requested widget.
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TiXmlElement* xmlElement = handle
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.FirstChild("gui")
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.FirstChildElement().ToElement();
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while (xmlElement) {
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const char* nodename = xmlElement->Attribute("id");
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if (nodename && nodename == widgetId) {
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widget = convertXmlElementToWidget(xmlElement, NULL, NULL, widget);
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break;
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}
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xmlElement = xmlElement->NextSiblingElement();
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}
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return widget;
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}
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Widget* WidgetLoader::convertXmlElementToWidget(const TiXmlElement* elem, Widget* root, Widget* parent, Widget* widget)
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{
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const std::string elem_name = elem->Value();
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// TODO error handling: add a message if the widget is bad specified
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// Try to use one of the creators.
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TypeCreatorsMap::iterator it = m_typeCreators.find(elem_name);
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if (it != m_typeCreators.end()) {
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if (!widget)
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widget = it->second->createWidgetFromXml(elem);
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}
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else if (elem_name == "panel") {
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if (!widget)
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widget = new Panel();
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}
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else if (elem_name == "box") {
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bool horizontal = bool_attr_is_true(elem, "horizontal");
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bool vertical = bool_attr_is_true(elem, "vertical");
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int align = (horizontal ? HORIZONTAL: vertical ? VERTICAL: 0);
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if (!widget)
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widget = new Box(align);
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else
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widget->setAlign(widget->align() | align);
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}
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else if (elem_name == "vbox") {
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if (!widget)
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widget = new VBox();
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}
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else if (elem_name == "hbox") {
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if (!widget)
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widget = new HBox();
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}
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else if (elem_name == "boxfiller") {
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if (!widget)
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widget = new BoxFiller();
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}
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else if (elem_name == "button") {
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const char* icon_name = elem->Attribute("icon");
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if (!widget) {
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if (icon_name) {
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SkinPartPtr part = SkinTheme::instance()->getPartById(icon_name);
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if (!part)
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throw base::Exception("<button> element found with invalid 'icon' attribute '%s'",
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icon_name);
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widget = new IconButton(part->bitmap(0));
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}
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else {
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widget = new Button("");
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}
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}
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bool left = bool_attr_is_true(elem, "left");
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bool right = bool_attr_is_true(elem, "right");
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bool top = bool_attr_is_true(elem, "top");
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bool bottom = bool_attr_is_true(elem, "bottom");
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bool closewindow = bool_attr_is_true(elem, "closewindow");
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widget->setAlign((left ? LEFT: (right ? RIGHT: CENTER)) |
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(top ? TOP: (bottom ? BOTTOM: MIDDLE)));
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if (closewindow) {
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static_cast<Button*>(widget)
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->Click.connect(base::Bind<void>(&Widget::closeWindow, widget));
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}
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}
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else if (elem_name == "check") {
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const char *looklike = elem->Attribute("looklike");
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if (looklike != NULL && strcmp(looklike, "button") == 0) {
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if (!widget)
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widget = new CheckBox("", kButtonWidget);
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}
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else {
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if (!widget)
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widget = new CheckBox("");
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}
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bool center = bool_attr_is_true(elem, "center");
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bool right = bool_attr_is_true(elem, "right");
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bool top = bool_attr_is_true(elem, "top");
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bool bottom = bool_attr_is_true(elem, "bottom");
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widget->setAlign((center ? CENTER:
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(right ? RIGHT: LEFT)) |
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(top ? TOP:
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(bottom ? BOTTOM: MIDDLE)));
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}
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else if (elem_name == "combobox") {
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if (!widget)
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widget = new ComboBox();
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bool editable = bool_attr_is_true(elem, "editable");
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if (editable)
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((ComboBox*)widget)->setEditable(true);
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}
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else if (elem_name == "entry") {
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const char* maxsize = elem->Attribute("maxsize");
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const char* suffix = elem->Attribute("suffix");
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if (maxsize != NULL) {
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bool readonly = bool_attr_is_true(elem, "readonly");
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widget = new Entry(strtol(maxsize, NULL, 10), "");
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if (readonly)
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((Entry*)widget)->setReadOnly(true);
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if (suffix)
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((Entry*)widget)->setSuffix(suffix);
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}
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else
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throw std::runtime_error("<entry> element found without 'maxsize' attribute");
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}
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else if (elem_name == "grid") {
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const char *columns = elem->Attribute("columns");
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bool same_width_columns = bool_attr_is_true(elem, "same_width_columns");
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if (columns != NULL) {
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widget = new Grid(strtol(columns, NULL, 10),
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same_width_columns);
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}
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}
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else if (elem_name == "label") {
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if (!widget)
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widget = new Label("");
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bool center = bool_attr_is_true(elem, "center");
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bool right = bool_attr_is_true(elem, "right");
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bool top = bool_attr_is_true(elem, "top");
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bool bottom = bool_attr_is_true(elem, "bottom");
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widget->setAlign((center ? CENTER:
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(right ? RIGHT: LEFT)) |
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(top ? TOP:
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(bottom ? BOTTOM: MIDDLE)));
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}
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else if (elem_name == "link") {
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const char* url = elem->Attribute("url");
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if (!widget)
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widget = new LinkLabel(url ? url: "", "");
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else {
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LinkLabel* link = dynamic_cast<LinkLabel*>(widget);
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ASSERT(link != NULL);
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if (link)
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link->setUrl(url);
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}
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bool center = bool_attr_is_true(elem, "center");
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bool right = bool_attr_is_true(elem, "right");
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bool top = bool_attr_is_true(elem, "top");
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bool bottom = bool_attr_is_true(elem, "bottom");
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widget->setAlign(
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(center ? CENTER: (right ? RIGHT: LEFT)) |
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(top ? TOP: (bottom ? BOTTOM: MIDDLE)));
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}
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else if (elem_name == "listbox") {
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if (!widget)
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widget = new ListBox();
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bool multiselect = bool_attr_is_true(elem, "multiselect");
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if (multiselect)
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static_cast<ListBox*>(widget)->setMultiselect(multiselect);
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}
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else if (elem_name == "listitem") {
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ListItem* listitem;
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if (!widget) {
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listitem = new ListItem("");
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widget = listitem;
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}
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else {
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listitem = dynamic_cast<ListItem*>(widget);
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ASSERT(listitem != NULL);
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}
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const char* value = elem->Attribute("value");
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if (value)
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listitem->setValue(value);
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}
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else if (elem_name == "splitter") {
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bool horizontal = bool_attr_is_true(elem, "horizontal");
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bool vertical = bool_attr_is_true(elem, "vertical");
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const char* by = elem->Attribute("by");
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const char* position = elem->Attribute("position");
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Splitter::Type type = (by && strcmp(by, "pixel") == 0 ?
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Splitter::ByPixel:
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Splitter::ByPercentage);
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Splitter* splitter = new Splitter(type,
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horizontal ? HORIZONTAL:
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vertical ? VERTICAL: 0);
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if (position) {
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splitter->setPosition(strtod(position, NULL)
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* (type == Splitter::ByPixel ? guiscale(): 1));
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}
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widget = splitter;
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}
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else if (elem_name == "radio") {
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const char* group = elem->Attribute("group");
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const char* looklike = elem->Attribute("looklike");
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int radio_group = (group ? strtol(group, NULL, 10): 1);
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if (!widget) {
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if (looklike != NULL && strcmp(looklike, "button") == 0) {
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widget = new RadioButton("", radio_group, kButtonWidget);
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}
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else {
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widget = new RadioButton("", radio_group);
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}
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}
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else {
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RadioButton* radio = dynamic_cast<RadioButton*>(widget);
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ASSERT(radio != NULL);
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if (radio)
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radio->setRadioGroup(radio_group);
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}
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bool center = bool_attr_is_true(elem, "center");
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bool right = bool_attr_is_true(elem, "right");
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bool top = bool_attr_is_true(elem, "top");
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bool bottom = bool_attr_is_true(elem, "bottom");
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widget->setAlign(
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(center ? CENTER:
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(right ? RIGHT: LEFT)) |
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(top ? TOP:
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(bottom ? BOTTOM: MIDDLE)));
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}
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else if (elem_name == "separator") {
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bool center = bool_attr_is_true(elem, "center");
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bool right = bool_attr_is_true(elem, "right");
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bool middle = bool_attr_is_true(elem, "middle");
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bool bottom = bool_attr_is_true(elem, "bottom");
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bool horizontal = bool_attr_is_true(elem, "horizontal");
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bool vertical = bool_attr_is_true(elem, "vertical");
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int align =
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(horizontal ? HORIZONTAL: 0) |
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(vertical ? VERTICAL: 0) |
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(center ? CENTER: (right ? RIGHT: LEFT)) |
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(middle ? MIDDLE: (bottom ? BOTTOM: TOP));
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if (!widget) {
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widget = new Separator(textAttr(elem, "text"), align);
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}
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else
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widget->setAlign(widget->align() | align);
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}
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else if (elem_name == "slider") {
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const char *min = elem->Attribute("min");
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const char *max = elem->Attribute("max");
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int min_value = min != NULL ? strtol(min, NULL, 10): 0;
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int max_value = max != NULL ? strtol(max, NULL, 10): 0;
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widget = new Slider(min_value, max_value, min_value);
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}
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else if (elem_name == "textbox") {
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bool wordwrap = bool_attr_is_true(elem, "wordwrap");
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if (!widget)
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widget = new TextBox(elem->GetText(), 0);
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else
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widget->setText(elem->GetText());
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if (wordwrap)
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widget->setAlign(widget->align() | WORDWRAP);
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}
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else if (elem_name == "view") {
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if (!widget)
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widget = new View();
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}
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else if (elem_name == "window") {
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if (!widget) {
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bool desktop = bool_attr_is_true(elem, "desktop");
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if (desktop)
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widget = new Window(Window::DesktopWindow);
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else if (elem->Attribute("text"))
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widget = new Window(Window::WithTitleBar, textAttr(elem, "text"));
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else
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widget = new Window(Window::WithoutTitleBar);
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}
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}
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else if (elem_name == "colorpicker") {
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if (!widget)
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widget = new ColorButton(Color::fromMask(), app_get_current_pixel_format(), false);
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}
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else if (elem_name == "dropdownbutton") {
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if (!widget) {
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widget = new DropDownButton(textAttr(elem, "text").c_str());
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}
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}
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else if (elem_name == "buttonset") {
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const char* columns = elem->Attribute("columns");
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if (!widget && columns)
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widget = new ButtonSet(strtol(columns, NULL, 10));
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if (ButtonSet* buttonset = dynamic_cast<ButtonSet*>(widget)) {
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bool multiple = bool_attr_is_true(elem, "multiple");
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if (multiple)
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buttonset->setMultipleSelection(multiple);
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}
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}
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else if (elem_name == "item") {
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if (!parent)
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throw std::runtime_error("<item> without parent");
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if (ButtonSet* buttonset = dynamic_cast<ButtonSet*>(parent)) {
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const char* icon = elem->Attribute("icon");
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const char* text = elem->Attribute("text");
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int hspan = int_attr(elem, "hspan", 1);
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int vspan = int_attr(elem, "vspan", 1);
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ButtonSet::Item* item = new ButtonSet::Item();
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if (icon) {
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SkinPartPtr part = SkinTheme::instance()->getPartById(std::string(icon));
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if (part)
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item->setIcon(part);
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}
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if (text)
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item->setText(textAttr(elem, "text"));
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buttonset->addItem(item, hspan, vspan);
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fillWidgetWithXmlElementAttributes(elem, root, item);
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}
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}
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else if (elem_name == "image") {
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if (!widget) {
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const char* file = elem->Attribute("file");
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// Load image
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std::string icon(file);
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ResourceFinder rf;
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rf.includeDataDir(file);
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if (!rf.findFirst())
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throw base::Exception("File %s not found", file);
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try {
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she::Surface* sur = she::instance()->loadRgbaSurface(rf.filename().c_str());
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widget = new ImageView(sur, 0, true);
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}
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catch (...) {
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throw base::Exception("Error loading %s file", file);
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}
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}
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}
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else if (elem_name == "search") {
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if (!widget)
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widget = new SearchEntry;
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}
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// Was the widget created?
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if (widget) {
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fillWidgetWithXmlElementAttributesWithChildren(elem, root, widget);
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}
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return widget;
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}
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void WidgetLoader::fillWidgetWithXmlElementAttributes(const TiXmlElement* elem, Widget* root, Widget* widget)
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{
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const char* id = elem->Attribute("id");
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const char* tooltip_dir = elem->Attribute("tooltip_dir");
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bool selected = bool_attr_is_true(elem, "selected");
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bool disabled = bool_attr_is_true(elem, "disabled");
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bool expansive = bool_attr_is_true(elem, "expansive");
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bool homogeneous = bool_attr_is_true(elem, "homogeneous");
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bool magnet = bool_attr_is_true(elem, "magnet");
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bool noborders = bool_attr_is_true(elem, "noborders");
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const char* width = elem->Attribute("width");
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const char* height = elem->Attribute("height");
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const char* minwidth = elem->Attribute("minwidth");
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const char* minheight = elem->Attribute("minheight");
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const char* maxwidth = elem->Attribute("maxwidth");
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const char* maxheight = elem->Attribute("maxheight");
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const char* border = elem->Attribute("border");
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const char* styleid = elem->Attribute("style");
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const char* childspacing = elem->Attribute("childspacing");
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if (width) {
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if (!minwidth) minwidth = width;
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if (!maxwidth) maxwidth = width;
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}
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if (height) {
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if (!minheight) minheight = height;
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if (!maxheight) maxheight = height;
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}
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if (id)
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widget->setId(id);
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if (elem->Attribute("text"))
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widget->setText(textAttr(elem, "text"));
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if (elem->Attribute("tooltip") && root) {
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if (!m_tooltipManager) {
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m_tooltipManager = new ui::TooltipManager();
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root->addChild(m_tooltipManager);
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|
}
|
|
|
|
int dir = LEFT;
|
|
if (tooltip_dir) {
|
|
if (strcmp(tooltip_dir, "top") == 0) dir = TOP;
|
|
else if (strcmp(tooltip_dir, "bottom") == 0) dir = BOTTOM;
|
|
else if (strcmp(tooltip_dir, "left") == 0) dir = LEFT;
|
|
else if (strcmp(tooltip_dir, "right") == 0) dir = RIGHT;
|
|
}
|
|
|
|
m_tooltipManager->addTooltipFor(widget, textAttr(elem, "tooltip"), dir);
|
|
}
|
|
|
|
if (selected)
|
|
widget->setSelected(selected);
|
|
|
|
if (disabled)
|
|
widget->setEnabled(false);
|
|
|
|
if (expansive)
|
|
widget->setExpansive(true);
|
|
|
|
if (homogeneous)
|
|
widget->setAlign(widget->align() | HOMOGENEOUS);
|
|
|
|
if (magnet)
|
|
widget->setFocusMagnet(true);
|
|
|
|
if (noborders)
|
|
widget->noBorderNoChildSpacing();
|
|
|
|
if (border)
|
|
widget->setBorder(gfx::Border(strtol(border, NULL, 10)*guiscale()));
|
|
|
|
if (childspacing)
|
|
widget->setChildSpacing(strtol(childspacing, NULL, 10)*guiscale());
|
|
|
|
gfx::Size reqSize = widget->sizeHint();
|
|
|
|
if (minwidth || minheight) {
|
|
int w = (minwidth ? guiscale()*strtol(minwidth, NULL, 10): reqSize.w);
|
|
int h = (minheight ? guiscale()*strtol(minheight, NULL, 10): reqSize.h);
|
|
widget->setMinSize(gfx::Size(w, h));
|
|
}
|
|
|
|
if (maxwidth || maxheight) {
|
|
int w = (maxwidth ? guiscale()*strtol(maxwidth, NULL, 10): INT_MAX);
|
|
int h = (maxheight ? guiscale()*strtol(maxheight, NULL, 10): INT_MAX);
|
|
widget->setMaxSize(gfx::Size(w, h));
|
|
}
|
|
|
|
if (styleid) {
|
|
SkinTheme* theme = static_cast<SkinTheme*>(root->theme());
|
|
|
|
// New styles
|
|
ui::Style* style = theme->getNewStyle(styleid);
|
|
if (style)
|
|
widget->setStyle(style);
|
|
else {
|
|
skin::Style* style = theme->getStyle(styleid);
|
|
if (style) {
|
|
SkinStylePropertyPtr prop(new SkinStyleProperty(style));
|
|
widget->setProperty(prop);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Assign widget mnemonic from the character preceded by a '&'
|
|
widget->processMnemonicFromText();
|
|
}
|
|
|
|
void WidgetLoader::fillWidgetWithXmlElementAttributesWithChildren(const TiXmlElement* elem, ui::Widget* root, ui::Widget* widget)
|
|
{
|
|
fillWidgetWithXmlElementAttributes(elem, root, widget);
|
|
|
|
if (!root)
|
|
root = widget;
|
|
|
|
// Children
|
|
const TiXmlElement* childElem = elem->FirstChildElement();
|
|
while (childElem) {
|
|
Widget* child = convertXmlElementToWidget(childElem, root, widget, NULL);
|
|
if (child) {
|
|
// Attach the child in the view
|
|
if (widget->type() == kViewWidget) {
|
|
static_cast<View*>(widget)->attachToView(child);
|
|
break;
|
|
}
|
|
// Add the child in the grid
|
|
else if (widget->type() == kGridWidget) {
|
|
const char* cell_hspan = childElem->Attribute("cell_hspan");
|
|
const char* cell_vspan = childElem->Attribute("cell_vspan");
|
|
const char* cell_align = childElem->Attribute("cell_align");
|
|
int hspan = cell_hspan ? strtol(cell_hspan, NULL, 10): 1;
|
|
int vspan = cell_vspan ? strtol(cell_vspan, NULL, 10): 1;
|
|
int align = cell_align ? convert_align_value_to_flags(cell_align): 0;
|
|
Grid* grid = dynamic_cast<Grid*>(widget);
|
|
ASSERT(grid != NULL);
|
|
|
|
grid->addChildInCell(child, hspan, vspan, align);
|
|
}
|
|
// Attach the child in the view
|
|
else if (widget->type() == kComboBoxWidget &&
|
|
child->type() == kListItemWidget) {
|
|
ComboBox* combo = dynamic_cast<ComboBox*>(widget);
|
|
ASSERT(combo != NULL);
|
|
|
|
combo->addItem(dynamic_cast<ListItem*>(child));
|
|
}
|
|
// Just add the child in any other kind of widget
|
|
else
|
|
widget->addChild(child);
|
|
}
|
|
childElem = childElem->NextSiblingElement();
|
|
}
|
|
|
|
if (widget->type() == kViewWidget) {
|
|
bool maxsize = bool_attr_is_true(elem, "maxsize");
|
|
if (maxsize)
|
|
static_cast<View*>(widget)->makeVisibleAllScrollableArea();
|
|
}
|
|
}
|
|
|
|
static int convert_align_value_to_flags(const char *value)
|
|
{
|
|
char *tok, *ptr = base_strdup(value);
|
|
int flags = 0;
|
|
|
|
for (tok=strtok(ptr, " ");
|
|
tok != NULL;
|
|
tok=strtok(NULL, " ")) {
|
|
if (strcmp(tok, "horizontal") == 0) {
|
|
flags |= HORIZONTAL;
|
|
}
|
|
else if (strcmp(tok, "vertical") == 0) {
|
|
flags |= VERTICAL;
|
|
}
|
|
else if (strcmp(tok, "left") == 0) {
|
|
flags |= LEFT;
|
|
}
|
|
else if (strcmp(tok, "center") == 0) {
|
|
flags |= CENTER;
|
|
}
|
|
else if (strcmp(tok, "right") == 0) {
|
|
flags |= RIGHT;
|
|
}
|
|
else if (strcmp(tok, "top") == 0) {
|
|
flags |= TOP;
|
|
}
|
|
else if (strcmp(tok, "middle") == 0) {
|
|
flags |= MIDDLE;
|
|
}
|
|
else if (strcmp(tok, "bottom") == 0) {
|
|
flags |= BOTTOM;
|
|
}
|
|
else if (strcmp(tok, "homogeneous") == 0) {
|
|
flags |= HOMOGENEOUS;
|
|
}
|
|
}
|
|
|
|
base_free(ptr);
|
|
return flags;
|
|
}
|
|
|
|
static int int_attr(const TiXmlElement* elem, const char* attribute_name, int default_value)
|
|
{
|
|
const char* value = elem->Attribute(attribute_name);
|
|
|
|
return (value ? strtol(value, NULL, 10): default_value);
|
|
}
|
|
|
|
std::string WidgetLoader::textAttr(const TiXmlElement* elem, const char* attrName)
|
|
{
|
|
const char* value = elem->Attribute(attrName);
|
|
if (!value)
|
|
return std::string();
|
|
else if (value[0] == '@') {
|
|
if (value[1] == '.')
|
|
return Strings::instance()->translate((m_stringIdPrefix + (value+1)).c_str());
|
|
else
|
|
return Strings::instance()->translate(value+1);
|
|
}
|
|
else
|
|
return std::string(value);
|
|
}
|
|
|
|
} // namespace app
|