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/*
* ComboBox.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "ComboBox.h"
#include "Slider.h"
#include "Images.h"
#include "TextControls.h"
#include "../gui/CGuiHandler.h"
#include "../gui/WindowHandler.h"
ComboBox::DropDown::Item::Item(const JsonNode & config, ComboBox::DropDown & _dropDown, Point position)
: InterfaceObjectConfigurable(LCLICK | HOVER, position),
dropDown(_dropDown)
{
build(config);
if(auto w = widget<CIntObject>("hoverImage"))
{
pos.w = w->pos.w;
pos.h = w->pos.h;
w->disable();
}
setRedrawParent(true);
}
void ComboBox::DropDown::Item::updateItem(int idx, const void * _item)
{
item = _item;
if(auto w = widget<CLabel>("labelName"))
{
if(dropDown.comboBox.getItemText)
w->setText(dropDown.comboBox.getItemText(idx, item));
}
}
void ComboBox::DropDown::Item::hover(bool on)
{
auto h = widget<CIntObject>("hoverImage");
auto w = widget<CLabel>("labelName");
if(h && w)
{
if(w->getText().empty() || on == false)
h->disable();
else
h->enable();
}
redraw();
}
void ComboBox::DropDown::Item::clickPressed(const Point & cursorPosition)
{
if(isHovered())
dropDown.setItem(item);
}
void ComboBox::DropDown::Item::clickReleased(const Point & cursorPosition)
{
dropDown.clickPressed(cursorPosition);
dropDown.clickReleased(cursorPosition);
}
ComboBox::DropDown::DropDown(const JsonNode & config, ComboBox & _comboBox, Point dropDownPosition):
InterfaceObjectConfigurable(LCLICK | HOVER),
comboBox(_comboBox)
{
REGISTER_BUILDER("item", &ComboBox::DropDown::buildItem);
if(comboBox.onConstructItems)
comboBox.onConstructItems(curItems);
addCallback("sliderMove", std::bind(&ComboBox::DropDown::sliderMove, this, std::placeholders::_1));
pos = comboBox.pos + dropDownPosition;
build(config);
if(auto w = widget<CSlider>("slider"))
{
w->setAmount(curItems.size());
}
//FIXME: this should be done by InterfaceObjectConfigurable, but might have side-effects
pos = children.front()->pos;
for (auto const & child : children)
pos = pos.include(child->pos);
updateListItems();
}
std::shared_ptr<ComboBox::DropDown::Item> ComboBox::DropDown::buildItem(const JsonNode & config)
{
auto position = readPosition(config["position"]);
items.push_back(std::make_shared<Item>(config, *this, position));
return items.back();
}
void ComboBox::DropDown::sliderMove(int slidPos)
{
auto w = widget<CSlider>("slider");
if(!w)
return; // ignore spurious call when slider is being created
updateListItems();
redraw();
}
bool ComboBox::DropDown::receiveEvent(const Point & position, int eventType) const
{
if (eventType == LCLICK)
return true; // we want drop box to close when clicking outside drop box borders
return CIntObject::receiveEvent(position, eventType);
}
void ComboBox::DropDown::clickPressed(const Point & cursorPosition)
{
if (!pos.isInside(cursorPosition))
{
assert(GH.windows().isTopWindow(this));
GH.windows().popWindows(1);
}
}
void ComboBox::DropDown::updateListItems()
{
int elemIdx = 0;
if(auto w = widget<CSlider>("slider"))
elemIdx = w->getValue();
for(auto item : items)
{
if(elemIdx < curItems.size())
{
item->updateItem(elemIdx, curItems[elemIdx]);
elemIdx++;
}
else
{
item->updateItem(elemIdx);
}
}
}
void ComboBox::DropDown::setItem(const void * item)
{
comboBox.setItem(item);
assert(GH.windows().isTopWindow(this));
GH.windows().popWindows(1);
}
ComboBox::ComboBox(Point position, const AnimationPath & defName, const std::pair<std::string, std::string> & help, const JsonNode & dropDownDescriptor, Point dropDownPosition, EShortcut key, bool playerColoredButton):
CButton(position, defName, help, 0, key, playerColoredButton)
{
addCallback([this, dropDownDescriptor, dropDownPosition]()
{
GH.windows().createAndPushWindow<ComboBox::DropDown>(dropDownDescriptor, *this, dropDownPosition);
});
}
void ComboBox::setItem(const void * item)
{
auto w = std::dynamic_pointer_cast<CLabel>(getOverlay());
if( w && getItemText)
setTextOverlay(getItemText(0, item), w->font, w->color);
if(onSetItem)
onSetItem(item);
}
void ComboBox::setItem(int id)
{
std::vector<const void *> tempItems;
onConstructItems(tempItems);
setItem(tempItems.at(id));
}
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