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#include "list.hpp"
#include <MyGUI_Button.h>
#include <MyGUI_Gui.h>
#include <MyGUI_ImageBox.h>
#include <components/misc/strings/algorithm.hpp>
namespace Gui
{
MWList::MWList()
: mScrollView(nullptr)
, mClient(nullptr)
, mItemHeight(0)
{
}
void MWList::initialiseOverride()
{
Base::initialiseOverride();
assignWidget(mClient, "Client");
if (mClient == nullptr)
mClient = this;
mScrollView
= mClient->createWidgetReal<MyGUI::ScrollView>("MW_ScrollView", MyGUI::FloatCoord(0.0, 0.0, 1.0, 1.0),
MyGUI::Align::Top | MyGUI::Align::Left | MyGUI::Align::Stretch, getName() + "_ScrollView");
}
void MWList::addItem(std::string_view name, int verticalPadding)
{
mItems.emplace_back(name, verticalPadding);
}
void MWList::addSeparator()
{
addItem({});
}
void MWList::adjustSize()
{
redraw();
}
void MWList::redraw(bool scrollbarShown)
{
constexpr int scrollbarShownScrollBarWidth = 20; // fetch this from skin?
const int scrollBarWidth = scrollbarShown ? scrollbarShownScrollBarWidth : 0;
int viewPosition = -mScrollView->getViewOffset().top;
while (mScrollView->getChildCount())
{
MyGUI::Gui::getInstance().destroyWidget(mScrollView->getChildAt(0));
}
mItemHeight = 0;
int i = 0;
for (const auto& item : mItems)
{
mItemHeight += item.mVPadding;
if (!item.mName.empty())
{
if (mListItemSkin.empty())
return;
MyGUI::Button* button = mScrollView->createWidget<MyGUI::Button>(mListItemSkin,
MyGUI::IntCoord(0, mItemHeight, mScrollView->getSize().width - scrollBarWidth - 2, 24),
MyGUI::Align::Left | MyGUI::Align::Top, getName() + "_item_" + item.mName);
button->setCaption(item.mName);
button->getSubWidgetText()->setWordWrap(true);
button->getSubWidgetText()->setTextAlign(MyGUI::Align::Left);
button->eventMouseWheel += MyGUI::newDelegate(this, &MWList::onMouseWheelMoved);
button->eventMouseButtonClick += MyGUI::newDelegate(this, &MWList::onItemSelected);
button->setNeedKeyFocus(true);
// Morrowind list item text widgets are typically 18 pixels tall
int height = button->getTextSize().height + 2;
button->setSize(MyGUI::IntSize(button->getSize().width, height));
button->setUserData(i);
mItemHeight += height;
}
else
{
MyGUI::ImageBox* separator = mScrollView->createWidget<MyGUI::ImageBox>("MW_HLine",
MyGUI::IntCoord(2, mItemHeight, mScrollView->getWidth() - scrollBarWidth - 4, 18),
MyGUI::Align::Left | MyGUI::Align::Top | MyGUI::Align::HStretch);
separator->setNeedMouseFocus(false);
mItemHeight += 18;
}
mItemHeight += item.mVPadding;
++i;
}
// Canvas size must be expressed with VScroll disabled, otherwise MyGUI would expand the scroll area when the
// scrollbar is hidden
mScrollView->setVisibleVScroll(false);
mScrollView->setCanvasSize(mClient->getSize().width, std::max(mItemHeight, mClient->getSize().height));
mScrollView->setVisibleVScroll(true);
if (!scrollbarShown && mItemHeight > mClient->getSize().height)
redraw(true);
int viewRange = mScrollView->getCanvasSize().height;
if (viewPosition > viewRange)
viewPosition = viewRange;
mScrollView->setViewOffset(MyGUI::IntPoint(0, -viewPosition));
}
void MWList::setPropertyOverride(std::string_view key, std::string_view value)
{
if (key == "ListItemSkin")
mListItemSkin = value;
else
Base::setPropertyOverride(key, value);
}
size_t MWList::getItemCount()
{
return mItems.size();
}
const std::string& MWList::getItemNameAt(size_t at)
{
assert(at < mItems.size() && "List item out of bounds");
return mItems[at].mName;
}
void MWList::sort()
{
// A special case for separators is not needed for now
std::sort(mItems.begin(), mItems.end(),
[](const auto& left, const auto& right) { return Misc::StringUtils::ciLess(left.mName, right.mName); });
}
void MWList::removeItem(const std::string& name)
{
auto it = std::find_if(mItems.begin(), mItems.end(), [&name](const auto& item) { return item.mName == name; });
assert(it != mItems.end());
mItems.erase(it);
}
void MWList::clear()
{
mItems.clear();
}
void MWList::onMouseWheelMoved(MyGUI::Widget* /*sender*/, int rel)
{
// NB view offset is negative
if (mScrollView->getViewOffset().top + rel * 0.3f > 0)
mScrollView->setViewOffset(MyGUI::IntPoint(0, 0));
else
mScrollView->setViewOffset(
MyGUI::IntPoint(0, static_cast<int>(mScrollView->getViewOffset().top + rel * 0.3)));
}
void MWList::onItemSelected(MyGUI::Widget* sender)
{
std::string name = sender->castType<MyGUI::Button>()->getCaption();
int id = *sender->getUserData<int>();
eventItemSelected(name, id);
eventWidgetSelected(sender);
}
MyGUI::Button* MWList::getItemWidget(std::string_view name)
{
std::string search = getName() + "_item_";
search += name;
return mScrollView->findWidget(search)->castType<MyGUI::Button>();
}
void MWList::scrollToTop()
{
mScrollView->setViewOffset(MyGUI::IntPoint(0, 0));
}
void MWList::setViewOffset(int offset)
{
mScrollView->setViewOffset(MyGUI::IntPoint(0, offset));
}
}
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