524 lines
12 KiB
C++
524 lines
12 KiB
C++
/*
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https://github.com/peterix/dfhack
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Copyright (c) 2009-2011 Petr Mrázek (peterix@gmail.com)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product documentation
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would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#include "Internal.h"
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#include <string>
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#include <vector>
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#include <map>
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using namespace std;
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#include "modules/Screen.h"
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#include "MemAccess.h"
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#include "VersionInfo.h"
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#include "Types.h"
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#include "Error.h"
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#include "ModuleFactory.h"
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#include "Core.h"
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#include "PluginManager.h"
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#include "LuaTools.h"
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#include "MiscUtils.h"
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using namespace DFHack;
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#include "DataDefs.h"
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#include "df/init.h"
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#include "df/texture_handler.h"
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#include "df/tile_page.h"
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#include "df/interfacest.h"
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#include "df/enabler.h"
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using namespace df::enums;
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using df::global::init;
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using df::global::gps;
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using df::global::texture;
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using df::global::gview;
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using df::global::enabler;
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using Screen::Pen;
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/*
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* Screen painting API.
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*/
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df::coord2d Screen::getMousePos()
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{
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if (!gps || (enabler && !enabler->tracking_on))
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return df::coord2d(-1, -1);
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return df::coord2d(gps->mouse_x, gps->mouse_y);
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}
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df::coord2d Screen::getWindowSize()
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{
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if (!gps) return df::coord2d(80, 25);
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return df::coord2d(gps->dimx, gps->dimy);
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}
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bool Screen::inGraphicsMode()
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{
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return init && init->display.flag.is_set(init_display_flags::USE_GRAPHICS);
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}
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static void doSetTile(const Pen &pen, int index)
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{
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auto screen = gps->screen + index*4;
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screen[0] = uint8_t(pen.ch);
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screen[1] = uint8_t(pen.fg) & 15;
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screen[2] = uint8_t(pen.bg) & 15;
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screen[3] = uint8_t(pen.bold) & 1;
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gps->screentexpos[index] = pen.tile;
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gps->screentexpos_addcolor[index] = (pen.tile_mode == Screen::Pen::CharColor);
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gps->screentexpos_grayscale[index] = (pen.tile_mode == Screen::Pen::TileColor);
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gps->screentexpos_cf[index] = pen.tile_fg;
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gps->screentexpos_cbr[index] = pen.tile_bg;
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}
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bool Screen::paintTile(const Pen &pen, int x, int y)
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{
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if (!gps) return false;
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int dimx = gps->dimx, dimy = gps->dimy;
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if (x < 0 || x >= dimx || y < 0 || y >= dimy) return false;
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doSetTile(pen, x*dimy + y);
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return true;
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}
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bool Screen::paintString(const Pen &pen, int x, int y, const std::string &text)
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{
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if (!gps || y < 0 || y >= gps->dimy) return false;
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Pen tmp(pen);
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bool ok = false;
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for (size_t i = -std::min(0,x); i < text.size(); i++)
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{
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if (x + i >= size_t(gps->dimx))
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break;
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tmp.ch = text[i];
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tmp.tile = (pen.tile ? pen.tile + uint8_t(text[i]) : 0);
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paintTile(tmp, x+i, y);
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ok = true;
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}
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return ok;
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}
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bool Screen::fillRect(const Pen &pen, int x1, int y1, int x2, int y2)
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{
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if (!gps) return false;
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if (x1 < 0) x1 = 0;
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if (y1 < 0) y1 = 0;
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if (x2 >= gps->dimx) x2 = gps->dimx-1;
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if (y2 >= gps->dimy) y2 = gps->dimy-1;
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if (x1 > x2 || y1 > y2) return false;
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for (int x = x1; x <= x2; x++)
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{
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int index = x*gps->dimy;
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for (int y = y1; y <= y2; y++)
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doSetTile(pen, index+y);
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}
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return true;
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}
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bool Screen::drawBorder(const std::string &title)
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{
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if (!gps) return false;
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int dimx = gps->dimx, dimy = gps->dimy;
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Pen border(0xDB, 8);
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Pen text(0, 0, 7);
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for (int x = 0; x < dimx; x++)
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{
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doSetTile(border, x * dimy + 0);
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doSetTile(border, x * dimy + dimy - 1);
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}
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for (int y = 0; y < dimy; y++)
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{
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doSetTile(border, 0 * dimy + y);
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doSetTile(border, (dimx - 1) * dimy + y);
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}
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return paintString(text, (dimx - title.length()) / 2, 0, title);
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}
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bool Screen::clear()
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{
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if (!gps) return false;
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return fillRect(Pen(' ',0,0,false), 0, 0, gps->dimx-1, gps->dimy-1);
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}
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bool Screen::invalidate()
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{
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if (!enabler) return false;
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enabler->flag.bits.render = true;
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return true;
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}
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bool Screen::findGraphicsTile(const std::string &pagename, int x, int y, int *ptile, int *pgs)
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{
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if (!gps || !texture || x < 0 || y < 0) return false;
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for (size_t i = 0; i < texture->page.size(); i++)
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{
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auto page = texture->page[i];
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if (!page->loaded || page->token != pagename) continue;
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if (x >= page->page_dim_x || y >= page->page_dim_y)
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break;
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int idx = y*page->page_dim_x + x;
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if (size_t(idx) >= page->texpos.size())
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break;
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if (ptile) *ptile = page->texpos[idx];
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if (pgs) *pgs = page->texpos_gs[idx];
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return true;
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}
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return false;
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}
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bool Screen::show(df::viewscreen *screen, df::viewscreen *before)
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{
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CHECK_NULL_POINTER(screen);
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CHECK_INVALID_ARGUMENT(!screen->parent && !screen->child);
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if (!gps || !gview) return false;
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df::viewscreen *parent = &gview->view;
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while (parent && parent->child != before)
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parent = parent->child;
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if (!parent) return false;
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gps->force_full_display_count += 2;
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screen->child = parent->child;
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screen->parent = parent;
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parent->child = screen;
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if (screen->child)
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screen->child->parent = screen;
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return true;
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}
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void Screen::dismiss(df::viewscreen *screen)
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{
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CHECK_NULL_POINTER(screen);
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screen->breakdown_level = interface_breakdown_types::STOPSCREEN;
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}
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bool Screen::isDismissed(df::viewscreen *screen)
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{
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CHECK_NULL_POINTER(screen);
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return screen->breakdown_level != interface_breakdown_types::NONE;
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}
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/*
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* Base DFHack viewscreen.
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*/
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static std::set<df::viewscreen*> dfhack_screens;
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dfhack_viewscreen::dfhack_viewscreen()
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{
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dfhack_screens.insert(this);
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}
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dfhack_viewscreen::~dfhack_viewscreen()
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{
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dfhack_screens.erase(this);
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}
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bool dfhack_viewscreen::is_instance(df::viewscreen *screen)
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{
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return dfhack_screens.count(screen) != 0;
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}
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/*
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* Lua-backed viewscreen.
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*/
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static int DFHACK_LUA_VS_TOKEN = 0;
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df::viewscreen *dfhack_lua_viewscreen::get_pointer(lua_State *L, int idx, bool make)
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{
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df::viewscreen *screen;
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if (lua_istable(L, idx))
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{
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if (!Lua::IsCoreContext(L))
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luaL_error(L, "only the core context can create lua screens");
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lua_rawgetp(L, idx, &DFHACK_LUA_VS_TOKEN);
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if (!lua_isnil(L, -1))
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{
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if (make)
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luaL_error(L, "this screen is already on display");
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screen = (df::viewscreen*)lua_touserdata(L, -1);
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}
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else
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{
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if (!make)
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luaL_error(L, "this screen is not on display");
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screen = new dfhack_lua_viewscreen(L, idx);
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}
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lua_pop(L, 1);
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}
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else
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screen = Lua::CheckDFObject<df::viewscreen>(L, idx);
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return screen;
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}
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bool dfhack_lua_viewscreen::safe_call_lua(int (*pf)(lua_State *), int args, int rvs)
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{
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CoreSuspendClaimer suspend;
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color_ostream_proxy out(Core::getInstance().getConsole());
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auto L = Lua::Core::State;
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lua_pushcfunction(L, pf);
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if (args > 0) lua_insert(L, -args-1);
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lua_pushlightuserdata(L, this);
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if (args > 0) lua_insert(L, -args-1);
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return Lua::Core::SafeCall(out, args+1, rvs);
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}
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dfhack_lua_viewscreen *dfhack_lua_viewscreen::get_self(lua_State *L)
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{
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auto self = (dfhack_lua_viewscreen*)lua_touserdata(L, 1);
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lua_rawgetp(L, LUA_REGISTRYINDEX, self);
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if (!lua_istable(L, -1)) return NULL;
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return self;
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}
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int dfhack_lua_viewscreen::do_destroy(lua_State *L)
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{
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auto self = get_self(L);
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if (!self) return 0;
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lua_pushnil(L);
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lua_rawsetp(L, LUA_REGISTRYINDEX, self);
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lua_pushnil(L);
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lua_rawsetp(L, -2, &DFHACK_LUA_VS_TOKEN);
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lua_pushnil(L);
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lua_setfield(L, -2, "_native");
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lua_getfield(L, -1, "onDestroy");
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if (lua_isnil(L, -1))
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return 0;
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lua_pushvalue(L, -2);
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lua_call(L, 1, 0);
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return 0;
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}
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void dfhack_lua_viewscreen::update_focus(lua_State *L, int idx)
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{
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lua_getfield(L, idx, "focus_path");
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auto str = lua_tostring(L, -1);
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if (!str) str = "";
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focus = str;
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lua_pop(L, 1);
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if (focus.empty())
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focus = "lua";
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else
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focus = "lua/"+focus;
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}
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int dfhack_lua_viewscreen::do_render(lua_State *L)
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{
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auto self = get_self(L);
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if (!self) return 0;
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lua_getfield(L, -1, "onRender");
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if (lua_isnil(L, -1))
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{
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Screen::clear();
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return 0;
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}
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lua_pushvalue(L, -2);
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lua_call(L, 1, 0);
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return 0;
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}
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int dfhack_lua_viewscreen::do_notify(lua_State *L)
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{
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int args = lua_gettop(L);
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auto self = get_self(L);
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if (!self) return 0;
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lua_pushvalue(L, 2);
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lua_gettable(L, -2);
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if (lua_isnil(L, -1))
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return 0;
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// self field args table fn -> table fn table args
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lua_replace(L, 1);
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lua_copy(L, -1, 2);
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lua_insert(L, 1);
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lua_call(L, args-1, 1);
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self->update_focus(L, 1);
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return 1;
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}
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int dfhack_lua_viewscreen::do_input(lua_State *L)
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{
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auto self = get_self(L);
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if (!self) return 0;
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auto keys = (std::set<df::interface_key>*)lua_touserdata(L, 2);
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lua_getfield(L, -1, "onInput");
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if (lua_isnil(L, -1))
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{
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if (keys->count(interface_key::LEAVESCREEN))
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Screen::dismiss(self);
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return 0;
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}
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lua_pushvalue(L, -2);
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lua_createtable(L, 0, keys->size()+3);
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for (auto it = keys->begin(); it != keys->end(); ++it)
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{
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auto key = *it;
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if (auto name = enum_item_raw_key(key))
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lua_pushstring(L, name);
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else
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lua_pushinteger(L, key);
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lua_pushboolean(L, true);
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lua_rawset(L, -3);
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if (key >= interface_key::STRING_A000 &&
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key <= interface_key::STRING_A255)
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{
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lua_pushinteger(L, key - interface_key::STRING_A000);
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lua_setfield(L, -2, "_STRING");
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}
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}
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if (enabler && enabler->tracking_on)
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{
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if (enabler->mouse_lbut) {
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lua_pushboolean(L, true);
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lua_setfield(L, -2, "_MOUSE_L");
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}
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if (enabler->mouse_rbut) {
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lua_pushboolean(L, true);
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lua_setfield(L, -2, "_MOUSE_R");
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}
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}
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lua_call(L, 2, 0);
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self->update_focus(L, -1);
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return 0;
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}
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dfhack_lua_viewscreen::dfhack_lua_viewscreen(lua_State *L, int table_idx)
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{
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assert(Lua::IsCoreContext(L));
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Lua::PushDFObject(L, (df::viewscreen*)this);
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lua_setfield(L, table_idx, "_native");
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lua_pushlightuserdata(L, this);
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lua_rawsetp(L, table_idx, &DFHACK_LUA_VS_TOKEN);
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lua_pushvalue(L, table_idx);
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lua_rawsetp(L, LUA_REGISTRYINDEX, this);
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update_focus(L, table_idx);
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}
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dfhack_lua_viewscreen::~dfhack_lua_viewscreen()
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{
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safe_call_lua(do_destroy, 0, 0);
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}
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void dfhack_lua_viewscreen::render()
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{
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safe_call_lua(do_render, 0, 0);
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}
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void dfhack_lua_viewscreen::logic()
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{
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lua_pushstring(Lua::Core::State, "onIdle");
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safe_call_lua(do_notify, 1, 0);
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}
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void dfhack_lua_viewscreen::help()
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{
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lua_pushstring(Lua::Core::State, "onHelp");
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safe_call_lua(do_notify, 1, 0);
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}
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void dfhack_lua_viewscreen::resize(int w, int h)
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{
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auto L = Lua::Core::State;
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lua_pushstring(L, "onResize");
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lua_pushinteger(L, w);
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lua_pushinteger(L, h);
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safe_call_lua(do_notify, 3, 0);
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}
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void dfhack_lua_viewscreen::feed(std::set<df::interface_key> *keys)
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{
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lua_pushlightuserdata(Lua::Core::State, keys);
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safe_call_lua(do_input, 1, 0);
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}
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bool dfhack_lua_viewscreen::key_conflict(df::interface_key key)
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{
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return key == interface_key::MOVIES || key == interface_key::OPTIONS;
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}
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