396 lines
10 KiB
C++
396 lines
10 KiB
C++
#include "uicommon.h"
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#include "listcolumn.h"
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#include "df/viewscreen_dwarfmodest.h"
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#include "df/ui.h"
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#include "modules/Maps.h"
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#include "modules/World.h"
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#include "modules/Gui.h"
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#include "LuaTools.h"
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#include "PluginManager.h"
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DFHACK_PLUGIN("hotkeys");
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#define PLUGIN_VERSION 0.1
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static map<string, string> current_bindings;
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static vector<string> sorted_keys;
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static bool show_usage = false;
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static bool can_invoke(string cmdline, df::viewscreen *screen)
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{
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vector<string> cmd_parts;
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split_string(&cmd_parts, cmdline, " ");
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if (toLower(cmd_parts[0]) == "hotkeys")
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return false;
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return Core::getInstance().getPluginManager()->CanInvokeHotkey(cmd_parts[0], screen);
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}
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static void add_binding_if_valid(string sym, string cmdline, df::viewscreen *screen)
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{
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if (!can_invoke(cmdline, screen))
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return;
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current_bindings[sym] = cmdline;
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sorted_keys.push_back(sym);
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string keyspec = sym + "@dfhack/viewscreen_hotkeys";
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Core::getInstance().AddKeyBinding(keyspec, "hotkeys invoke " + int_to_string(sorted_keys.size() - 1));
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}
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static void find_active_keybindings(df::viewscreen *screen)
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{
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current_bindings.clear();
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sorted_keys.clear();
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vector<string> valid_keys;
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for (char c = 'A'; c <= 'Z'; c++)
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{
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valid_keys.push_back(string(&c, 1));
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}
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for (int i = 1; i < 10; i++)
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{
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valid_keys.push_back("F" + int_to_string(i));
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}
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valid_keys.push_back("`");
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auto current_focus = Gui::getFocusString(screen);
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for (int shifted = 0; shifted < 2; shifted++)
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{
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for (int ctrl = 0; ctrl < 2; ctrl++)
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{
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for (int alt = 0; alt < 2; alt++)
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{
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for (auto it = valid_keys.begin(); it != valid_keys.end(); it++)
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{
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string sym;
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if (shifted) sym += "Shift-";
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if (ctrl) sym += "Ctrl-";
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if (alt) sym += "Alt-";
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sym += *it;
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auto list = Core::getInstance().ListKeyBindings(sym);
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for (auto invoke_cmd = list.begin(); invoke_cmd != list.end(); invoke_cmd++)
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{
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if (invoke_cmd->find(":") == string::npos)
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{
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add_binding_if_valid(sym, *invoke_cmd, screen);
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}
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else
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{
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vector<string> tokens;
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split_string(&tokens, *invoke_cmd, ":");
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string focus = tokens[0].substr(1);
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if (prefix_matches(focus, current_focus))
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{
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auto cmdline = trim(tokens[1]);
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add_binding_if_valid(sym, cmdline, screen);
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}
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}
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}
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}
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}
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}
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}
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}
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static bool close_hotkeys_screen()
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{
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auto screen = Core::getTopViewscreen();
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if (Gui::getFocusString(screen) != "dfhack/viewscreen_hotkeys")
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return false;
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Screen::dismiss(Core::getTopViewscreen());
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for_each_(sorted_keys, [] (const string &sym)
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{ Core::getInstance().ClearKeyBindings(sym + "@dfhack/viewscreen_hotkeys"); });
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sorted_keys.clear();
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return true;
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}
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static void invoke_command(const size_t index)
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{
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if (sorted_keys.size() <= index)
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return;
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auto cmd = current_bindings[sorted_keys[index]];
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if (close_hotkeys_screen())
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{
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Core::getInstance().setHotkeyCmd(cmd);
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}
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}
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static std::string get_help(const std::string &command, bool full_help)
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{
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auto L = Lua::Core::State;
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color_ostream_proxy out(Core::getInstance().getConsole());
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Lua::StackUnwinder top(L);
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if (!lua_checkstack(L, 2) ||
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!Lua::PushModulePublic(out, L, "helpdb",
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full_help ? "get_entry_long_help" : "get_entry_short_help"))
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return "Help text unavailable.";
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Lua::Push(L, command);
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if (!Lua::SafeCall(out, L, 1, 1))
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return "Help text unavailable.";
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const char *s = lua_tostring(L, -1);
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if (!s)
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return "Help text unavailable.";
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return s;
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}
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class ViewscreenHotkeys : public dfhack_viewscreen
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{
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public:
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ViewscreenHotkeys(df::viewscreen *top_screen) : top_screen(top_screen)
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{
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hotkeys_column.multiselect = false;
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hotkeys_column.auto_select = true;
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hotkeys_column.setTitle("Key Binding");
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hotkeys_column.bottom_margin = 4;
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hotkeys_column.allow_search = false;
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focus = Gui::getFocusString(top_screen);
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populateColumns();
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}
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void populateColumns()
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{
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hotkeys_column.clear();
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size_t max_key_length = 0;
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for_each_(sorted_keys, [&] (const string &sym)
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{ if (sym.length() > max_key_length) { max_key_length = sym.length(); } });
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int padding = max_key_length + 2;
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for (size_t i = 0; i < sorted_keys.size(); i++)
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{
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string text = pad_string(sorted_keys[i], padding, false);
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text += current_bindings[sorted_keys[i]];
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hotkeys_column.add(text, i+1);
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}
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help_start = hotkeys_column.fixWidth() + 2;
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hotkeys_column.filterDisplay();
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}
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void feed(set<df::interface_key> *input)
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{
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if (hotkeys_column.feed(input))
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return;
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if (input->count(interface_key::LEAVESCREEN))
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{
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close_hotkeys_screen();
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}
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else if (input->count(interface_key::SELECT))
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{
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invoke_command(hotkeys_column.highlighted_index);
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}
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else if (input->count(interface_key::CUSTOM_U))
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{
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show_usage = !show_usage;
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}
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}
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void render()
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{
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if (Screen::isDismissed(this))
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return;
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dfhack_viewscreen::render();
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Screen::clear();
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Screen::drawBorder(" Hotkeys ");
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hotkeys_column.display(true);
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int32_t y = gps->dimy - 3;
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int32_t x = 2;
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OutputHotkeyString(x, y, "Leave", "Esc");
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x += 3;
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OutputHotkeyString(x, y, "Invoke", "Enter or Hotkey");
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x += 3;
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OutputToggleString(x, y, "Show Usage", "u", show_usage);
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y = gps->dimy - 4;
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x = 2;
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OutputHotkeyString(x, y, focus.c_str(), "Context", false, help_start, COLOR_WHITE, COLOR_BROWN);
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if (sorted_keys.size() == 0)
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return;
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y = 2;
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x = help_start;
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auto width = gps->dimx - help_start - 2;
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vector <string> parts;
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Core::cheap_tokenise(current_bindings[sorted_keys[hotkeys_column.highlighted_index]], parts);
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if(parts.size() == 0)
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return;
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string first = parts[0];
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parts.erase(parts.begin());
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if (first[0] == '#')
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return;
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OutputString(COLOR_BROWN, x, y, "Help", true, help_start);
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string help_text = get_help(first, show_usage);
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vector <string> lines;
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split_string(&lines, help_text, "\n");
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for (auto it = lines.begin(); it != lines.end() && y < gps->dimy - 4; it++)
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{
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auto wrapped_lines = wrapString(*it, width);
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for (auto wit = wrapped_lines.begin(); wit != wrapped_lines.end() && y < gps->dimy - 4; wit++)
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{
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OutputString(COLOR_WHITE, x, y, *wit, true, help_start);
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}
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}
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}
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virtual std::string getFocusString()
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{
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return "viewscreen_hotkeys";
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}
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private:
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ListColumn<int> hotkeys_column;
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df::viewscreen *top_screen;
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string focus;
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int32_t help_start;
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void resize(int32_t x, int32_t y)
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{
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dfhack_viewscreen::resize(x, y);
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hotkeys_column.resize();
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}
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static vector<string> wrapString(string str, int width)
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{
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vector<string> result;
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string excess;
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if (int(str.length()) > width)
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{
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auto cut_space = str.rfind(' ', width-1);
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int excess_start;
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if (cut_space == string::npos)
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{
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cut_space = width-1;
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excess_start = cut_space;
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}
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else
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{
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excess_start = cut_space + 1;
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}
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string line = str.substr(0, cut_space);
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excess = str.substr(excess_start);
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result.push_back(line);
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auto excess_lines = wrapString(excess, width);
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result.insert(result.end(), excess_lines.begin(), excess_lines.end());
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}
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else
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{
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result.push_back(str);
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}
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return result;
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}
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};
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static command_result hotkeys_cmd(color_ostream &out, vector <string> & parameters)
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{
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if (parameters.empty())
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{
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if (Maps::IsValid())
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{
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auto top_screen = Core::getTopViewscreen();
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if (Gui::getFocusString(top_screen) != "dfhack/viewscreen_hotkeys")
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{
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find_active_keybindings(top_screen);
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Screen::show(dts::make_unique<ViewscreenHotkeys>(top_screen), plugin_self);
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}
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}
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}
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else
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{
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auto cmd = parameters[0][0];
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if (cmd == 'v')
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{
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out << "Hotkeys" << endl << "Version: " << PLUGIN_VERSION << endl;
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}
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else if (cmd == 'i')
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{
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int index;
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stringstream index_raw(parameters[1]);
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index_raw >> index;
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invoke_command(index);
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}
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else
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{
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return CR_WRONG_USAGE;
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}
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}
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return CR_OK;
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}
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static int getHotkeys(lua_State *L) {
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find_active_keybindings(Gui::getCurViewscreen(true));
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Lua::PushVector(L, sorted_keys);
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Lua::Push(L, current_bindings);
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return 2;
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}
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DFHACK_PLUGIN_LUA_COMMANDS {
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DFHACK_LUA_COMMAND(getHotkeys),
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DFHACK_LUA_END
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};
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DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
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{
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if (!gps)
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out.printerr("Could not insert hotkeys hooks!\n");
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commands.push_back(
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PluginCommand(
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"hotkeys",
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"Show all dfhack keybindings in current context.",
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hotkeys_cmd));
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return CR_OK;
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}
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DFhackCExport command_result plugin_shutdown ( color_ostream &out )
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{
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return CR_OK;
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}
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DFhackCExport command_result plugin_onstatechange(color_ostream &out, state_change_event event)
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{
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switch (event) {
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case SC_MAP_LOADED:
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sorted_keys.clear();
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break;
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default:
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break;
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}
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return CR_OK;
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}
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