dfhack/plugins/hotkeys.cpp

396 lines
10 KiB
C++

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