dfhack/plugins/command-prompt.cpp

363 lines
9.8 KiB
C++

// command-prompt: A one-line command entry at the top of the screen for quick commands
#include "Core.h"
#include <ColorText.h>
#include <Console.h>
#include <Export.h>
#include <MiscUtils.h>
#include <PluginManager.h>
#include <modules/Gui.h>
#include <modules/Screen.h>
#include <list>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "df/enabler.h"
#include "df/graphic.h"
#include "df/interface_key.h"
#include "df/ui.h"
using namespace DFHack;
using namespace df::enums;
DFHACK_PLUGIN("command-prompt");
REQUIRE_GLOBAL(ui);
REQUIRE_GLOBAL(gps);
REQUIRE_GLOBAL(enabler);
std::vector<std::string> command_history;
class viewscreen_commandpromptst;
class prompt_ostream:public buffered_color_ostream
{
viewscreen_commandpromptst *parent_;
protected:
void flush_proxy();
public:
prompt_ostream(viewscreen_commandpromptst* parent)
: parent_(parent)
{}
bool empty() { return buffer.empty(); }
};
class viewscreen_commandpromptst : public dfhack_viewscreen {
public:
void feed(std::set<df::interface_key> *events);
void logic() {
dfhack_viewscreen::logic();
}
void render();
void help() {}
int8_t movies_okay() { return 0; }
df::unit* getSelectedUnit() { return Gui::getAnyUnit(parent); }
df::item* getSelectedItem() { return Gui::getAnyItem(parent); }
df::building* getSelectedBuilding() { return Gui::getAnyBuilding(parent); }
df::plant* getSelectedPlant() { return Gui::getAnyPlant(parent); }
std::string getFocusString() { return "commandprompt"; }
viewscreen_commandpromptst(std::string entry)
: submitted(false), is_response(false)
{
show_fps = gps->display_frames;
gps->display_frames = 0;
cursor_pos = entry.size();
frame = 0;
history_idx = command_history.size();
if (history_idx > 0)
{
if (command_history[history_idx - 1] == "")
{
command_history.pop_back();
history_idx--;
}
}
command_history.push_back(entry);
}
~viewscreen_commandpromptst()
{
gps->display_frames = show_fps;
}
void add_response(color_value v, std::string s)
{
std::stringstream ss(s);
std::string part;
while (std::getline(ss, part))
{
responses.push_back(std::make_pair(v, part + '\n'));
}
}
std::string get_entry()
{
return command_history[history_idx];
}
void set_entry(std::string entry)
{
command_history[history_idx] = entry;
}
void back_word()
{
std::string entry = get_entry();
if (cursor_pos == 0)
return;
cursor_pos--;
while (cursor_pos > 0 && !isalnum(entry[cursor_pos]))
cursor_pos--;
while (cursor_pos > 0 && isalnum(entry[cursor_pos]))
cursor_pos--;
if (!isalnum(entry[cursor_pos]) && cursor_pos != 0)
cursor_pos++;
}
void forward_word()
{
std::string entry = get_entry();
int len = entry.size();
if (cursor_pos == len)
return;
cursor_pos++;
while (cursor_pos <= len && !isalnum(entry[cursor_pos]))
cursor_pos++;
while (cursor_pos <= len && isalnum(entry[cursor_pos]))
cursor_pos++;
if (cursor_pos > len)
cursor_pos = len;
}
protected:
std::list<std::pair<color_value, std::string> > responses;
int cursor_pos;
int history_idx;
bool submitted;
bool is_response;
bool show_fps;
int frame;
void submit();
};
void prompt_ostream::flush_proxy()
{
if (buffer.empty())
return;
for(auto it = buffer.begin(); it != buffer.end(); it++)
parent_->add_response(it->first, it->second);
buffer.clear();
}
void viewscreen_commandpromptst::render()
{
++frame;
if (frame >= enabler->gfps)
frame = 0;
if (Screen::isDismissed(this))
return;
dfhack_viewscreen::render();
auto dim = Screen::getWindowSize();
parent->render();
if (is_response)
{
int y = 0;
for (auto &response : responses)
{
std::vector<std::string> lines;
word_wrap(&lines, response.second, dim.x);
for (auto &line : lines)
{
Screen::fillRect(Screen::Pen(' ', 7, 0), 0, y, dim.x, y);
Screen::paintString(Screen::Pen(' ', response.first, 0), 0, y, line);
if (++y >= dim.y)
return;
}
}
}
else
{
std::string entry = get_entry();
Screen::fillRect(Screen::Pen(' ', 7, 0), 0, 0, dim.x, 0);
Screen::paintString(Screen::Pen(' ', 7, 0), 0, 0, "[DFHack]#");
std::string cursor = (frame < enabler->gfps / 2) ? "_" : " ";
if (cursor_pos < dim.x - 10)
{
Screen::paintString(Screen::Pen(' ', 7, 0), 10, 0, entry);
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if (int16_t(entry.size()) > dim.x - 10)
Screen::paintTile(Screen::Pen('\032', 7, 0), dim.x - 1, 0);
if (cursor != " ")
Screen::paintString(Screen::Pen(' ', 10, 0), 10 + cursor_pos, 0, cursor);
}
else
{
size_t start = cursor_pos - dim.x + 10 + 1;
Screen::paintTile(Screen::Pen('\033', 7, 0), 9, 0);
Screen::paintString(Screen::Pen(' ', 7, 0), 10, 0, entry.substr(start));
if (cursor != " ")
Screen::paintString(Screen::Pen(' ', 10, 0), dim.x - 1, 0, cursor);
}
}
}
void viewscreen_commandpromptst::submit()
{
CoreSuspendClaimer suspend;
if (is_response)
{
Screen::dismiss(this);
return;
}
if (submitted)
return;
submitted = true;
prompt_ostream out(this);
{
Screen::Hide hide_guard(this, Screen::Hide::RESTORE_AT_TOP);
Core::getInstance().runCommand(out, get_entry());
}
if (out.empty() && responses.empty())
Screen::dismiss(this);
else
{
is_response = true;
}
}
void viewscreen_commandpromptst::feed(std::set<df::interface_key> *events)
{
int old_pos = cursor_pos;
std::string entry = get_entry();
bool leave_all = events->count(interface_key::LEAVESCREEN_ALL);
if (leave_all || events->count(interface_key::LEAVESCREEN))
{
events->clear();
Screen::dismiss(this);
if (leave_all)
{
events->insert(interface_key::LEAVESCREEN);
parent->feed(events);
events->clear();
}
//if (command_history.size() && !entry.size())
// command_history.pop_back();
return;
}
if (events->count(interface_key::SELECT))
{
submit();
return;
}
if (is_response)
return;
for (auto it = events->begin(); it != events->end(); ++it)
{
auto key = *it;
if (key == interface_key::STRING_A000) //delete?
{
if (entry.size() && cursor_pos > 0)
{
entry.erase(cursor_pos - 1, 1);
cursor_pos--;
}
if (size_t(cursor_pos) > entry.size())
cursor_pos = entry.size();
continue;
}
int charcode = Screen::keyToChar(key);
if (charcode > 0)
{
entry.insert(cursor_pos, 1, char(charcode));
cursor_pos++;
set_entry(entry);
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return;
}
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}
// Prevent number keys from moving cursor
if (events->count(interface_key::CURSOR_RIGHT))
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{
cursor_pos++;
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if (size_t(cursor_pos) > entry.size())
cursor_pos = entry.size();
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}
else if (events->count(interface_key::CURSOR_LEFT))
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{
cursor_pos--;
if (cursor_pos < 0) cursor_pos = 0;
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}
else if (events->count(interface_key::CURSOR_RIGHT_FAST))
{
forward_word();
}
else if (events->count(interface_key::CURSOR_LEFT_FAST))
{
back_word();
}
else if (events->count(interface_key::CUSTOM_CTRL_A))
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{
cursor_pos = 0;
}
else if (events->count(interface_key::CUSTOM_CTRL_E))
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{
cursor_pos = entry.size();
}
else if (events->count(interface_key::CURSOR_UP))
{
history_idx--;
if (history_idx < 0)
history_idx = 0;
entry = get_entry();
cursor_pos = entry.size();
}
else if (events->count(interface_key::CURSOR_DOWN))
{
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if (size_t(history_idx) < command_history.size() - 1)
{
history_idx++;
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if (size_t(history_idx) >= command_history.size())
history_idx = command_history.size() - 1;
entry = get_entry();
cursor_pos = entry.size();
}
}
set_entry(entry);
if (old_pos != cursor_pos)
frame = 0;
}
command_result show_prompt(color_ostream &out, std::vector <std::string> & parameters)
{
if (Gui::getCurFocus(true) == "dfhack/commandprompt")
{
Screen::dismiss(Gui::getCurViewscreen(true));
return CR_OK;
}
std::string params;
for(size_t i = 0; i < parameters.size(); i++)
params += parameters[i] + " ";
Screen::show(dts::make_unique<viewscreen_commandpromptst>(params), plugin_self);
return CR_OK;
}
bool hotkey_allow_all(df::viewscreen *top)
{
return true;
}
DFhackCExport command_result plugin_init(color_ostream &out, std::vector <PluginCommand> &commands)
{
commands.push_back(PluginCommand(
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"command-prompt",
"An in-game DFHack terminal.",
show_prompt,
hotkey_allow_all));
return CR_OK;
}
DFhackCExport command_result plugin_onstatechange(color_ostream &out, state_change_event e)
{
return CR_OK;
}
DFhackCExport command_result plugin_shutdown(color_ostream &out)
{
return CR_OK;
}