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Formspec: Create a new class for inventorylists (#9287)
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8 changed files with 448 additions and 291 deletions
210
src/gui/guiInventoryList.cpp
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210
src/gui/guiInventoryList.cpp
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/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "guiInventoryList.h"
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#include "guiFormSpecMenu.h"
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#include "client/hud.h"
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#include "client/client.h"
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GUIInventoryList::GUIInventoryList(gui::IGUIEnvironment *env,
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gui::IGUIElement *parent,
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s32 id,
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const core::rect<s32> &rectangle,
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InventoryManager *invmgr,
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const InventoryLocation &inventoryloc,
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const std::string &listname,
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const v2s32 &geom,
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const s32 start_item_i,
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const v2s32 &slot_size,
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const v2f32 &slot_spacing,
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GUIFormSpecMenu *fs_menu,
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const Options &options,
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gui::IGUIFont *font) :
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gui::IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rectangle),
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m_invmgr(invmgr),
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m_inventoryloc(inventoryloc),
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m_listname(listname),
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m_geom(geom),
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m_start_item_i(start_item_i),
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m_slot_size(slot_size),
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m_slot_spacing(slot_spacing),
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m_fs_menu(fs_menu),
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m_options(options),
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m_font(font),
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m_hovered_i(-1)
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{
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}
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void GUIInventoryList::draw()
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{
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if (!IsVisible)
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return;
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Inventory *inv = m_invmgr->getInventory(m_inventoryloc);
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if (!inv) {
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warningstream << "GUIInventoryList::draw(): "
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<< "The inventory location "
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<< "\"" << m_inventoryloc.dump() << "\" doesn't exist anymore"
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<< std::endl;
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return;
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}
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InventoryList *ilist = inv->getList(m_listname);
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if (!ilist) {
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warningstream << "GUIInventoryList::draw(): "
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<< "The inventory list \"" << m_listname << "\" @ \""
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<< m_inventoryloc.dump() << "\" doesn't exist anymore"
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<< std::endl;
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return;
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}
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video::IVideoDriver *driver = Environment->getVideoDriver();
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Client *client = m_fs_menu->getClient();
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const ItemSpec *selected_item = m_fs_menu->getSelectedItem();
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core::rect<s32> imgrect(0, 0, m_slot_size.X, m_slot_size.Y);
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v2s32 base_pos = AbsoluteRect.UpperLeftCorner;
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for (s32 i = 0; i < m_geom.X * m_geom.Y; i++) {
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s32 item_i = i + m_start_item_i;
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if (item_i >= (s32)ilist->getSize())
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break;
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v2s32 p((i % m_geom.X) * m_slot_spacing.X,
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(i / m_geom.X) * m_slot_spacing.Y);
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core::rect<s32> rect = imgrect + base_pos + p;
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ItemStack item = ilist->getItem(item_i);
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bool selected = selected_item
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&& m_invmgr->getInventory(selected_item->inventoryloc) == inv
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&& selected_item->listname == m_listname
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&& selected_item->i == item_i;
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core::rect<s32> clipped_rect(rect);
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clipped_rect.clipAgainst(AbsoluteClippingRect);
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bool hovering = m_hovered_i == item_i;
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ItemRotationKind rotation_kind = selected ? IT_ROT_SELECTED :
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(hovering ? IT_ROT_HOVERED : IT_ROT_NONE);
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// layer 0
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if (hovering) {
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driver->draw2DRectangle(m_options.slotbg_h, rect, &AbsoluteClippingRect);
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} else {
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driver->draw2DRectangle(m_options.slotbg_n, rect, &AbsoluteClippingRect);
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}
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// Draw inv slot borders
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if (m_options.slotborder) {
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s32 x1 = rect.UpperLeftCorner.X;
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s32 y1 = rect.UpperLeftCorner.Y;
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s32 x2 = rect.LowerRightCorner.X;
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s32 y2 = rect.LowerRightCorner.Y;
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s32 border = 1;
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core::rect<s32> clipping_rect = Parent ? Parent->getAbsoluteClippingRect()
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: core::rect<s32>();
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core::rect<s32> *clipping_rect_ptr = Parent ? &clipping_rect : nullptr;
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driver->draw2DRectangle(m_options.slotbordercolor,
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core::rect<s32>(v2s32(x1 - border, y1 - border),
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v2s32(x2 + border, y1)), clipping_rect_ptr);
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driver->draw2DRectangle(m_options.slotbordercolor,
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core::rect<s32>(v2s32(x1 - border, y2),
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v2s32(x2 + border, y2 + border)), clipping_rect_ptr);
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driver->draw2DRectangle(m_options.slotbordercolor,
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core::rect<s32>(v2s32(x1 - border, y1),
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v2s32(x1, y2)), clipping_rect_ptr);
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driver->draw2DRectangle(m_options.slotbordercolor,
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core::rect<s32>(v2s32(x2, y1),
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v2s32(x2 + border, y2)), clipping_rect_ptr);
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}
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// layer 1
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if (selected)
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item.takeItem(m_fs_menu->getSelectedAmount());
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if (!item.empty()) {
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// Draw item stack
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drawItemStack(driver, m_font, item, rect, &AbsoluteClippingRect,
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client, rotation_kind);
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// Add hovering tooltip
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if (hovering && !selected_item) {
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std::string tooltip = item.getDescription(client->idef());
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if (m_fs_menu->doTooltipAppendItemname())
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tooltip += "\n[" + item.name + "]";
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m_fs_menu->addHoveredItemTooltip(tooltip);
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}
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}
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}
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IGUIElement::draw();
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}
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bool GUIInventoryList::OnEvent(const SEvent &event)
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{
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if (event.EventType != EET_MOUSE_INPUT_EVENT) {
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if (event.EventType == EET_GUI_EVENT &&
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event.GUIEvent.EventType == EGET_ELEMENT_LEFT) {
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// element is no longer hovered
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m_hovered_i = -1;
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}
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return IGUIElement::OnEvent(event);
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}
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m_hovered_i = getItemIndexAtPos(v2s32(event.MouseInput.X, event.MouseInput.Y));
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if (m_hovered_i != -1)
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return IGUIElement::OnEvent(event);
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// no item slot at pos of mouse event => allow clicking through
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// find the element that would be hovered if this inventorylist was invisible
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bool was_visible = IsVisible;
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IsVisible = false;
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IGUIElement *hovered =
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Environment->getRootGUIElement()->getElementFromPoint(
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core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y));
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bool ret = hovered && hovered->OnEvent(event);
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IsVisible = was_visible;
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return ret;
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}
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s32 GUIInventoryList::getItemIndexAtPos(v2s32 p) const
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{
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if (!IsVisible || AbsoluteClippingRect.getArea() <= 0 ||
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!AbsoluteClippingRect.isPointInside(p))
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return -1;
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core::rect<s32> imgrect(0, 0, m_slot_size.X, m_slot_size.Y);
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v2s32 base_pos = AbsoluteRect.UpperLeftCorner;
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// instead of looping through each slot, we look where p would be in the grid
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s32 i = (p.X - base_pos.X) / (s32)m_slot_spacing.X
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+ m_geom.X * ((p.Y - base_pos.Y) / (s32)m_slot_spacing.Y);
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v2s32 p0((i % m_geom.X) * m_slot_spacing.X,
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(i / m_geom.X) * m_slot_spacing.Y);
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core::rect<s32> rect = imgrect + base_pos + p0;
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rect.clipAgainst(AbsoluteClippingRect);
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if (rect.getArea() > 0 && rect.isPointInside(p))
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return i + m_start_item_i;
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return -1;
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}
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