gigaTerminal text editor |
| git clone git://git.dimitrijedobrota.com/giga.git |
| Log | Files | Refs | README | HACKING | CONTRIBUTING | CODE_OF_CONDUCT | BUILDING | |
| commit | 6d35b46728c76b2e9ca7d1ee62ba214d3f35a903 |
| parent | db345023355929e573412087179e5516f228d04f |
| author | Dimitrije Dobrota <mail@dimitrijedobrota.com> |
| date | Thu, 6 Mar 2025 23:18:58 +0100 |
Restructure, refactor and make usable, for now...
Diffstat:| M | CMakeLists.txt | | | +- |
| M | CMakePresets.json | | | +- |
| M | source/layout_dynamic.cpp | | | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------- |
| M | source/layout_dynamic.hpp | | | +++++++++++++++++++++++----------------------------------------------------------- |
| M | source/main.cpp | | | +++++++++++++++++++++++++------------------- |
5 files changed, 348 insertions(+), 381 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -4,7 +4,7 @@ include(cmake/prelude.cmake)
project(
giga
VERSION 0.1.11
VERSION 0.1.12
DESCRIPTION "Terminal text editor"
HOMEPAGE_URL "https://git.dimitrijedobrota.com/giga.git"
LANGUAGES CXX
diff --git a/CMakePresets.json b/CMakePresets.json
@@ -40,7 +40,7 @@
"name": "clang-tidy",
"hidden": true,
"cacheVariables": {
"CMAKE_CXX_CLANG_TIDY": "clang-tidy;--header-filter=^${sourceDir}/"
"CMAKE_CXX_CLANG_TIDY": "clang-tidy;--header-filter=^${sourceDir}/;--checks=exhaustive"
}
},
{
diff --git a/source/layout_dynamic.cpp b/source/layout_dynamic.cpp
@@ -1,68 +1,227 @@
#include <stack>
#include <stdexcept>
#include "layout_dynamic.hpp"
namespace display
{
int WindowTest::counter = 0;
void Panel::resize(plc_t aplc)
{
std::stack<std::pair<plc_t, Panel*>> stk;
stk.emplace(aplc, this);
while (!stk.empty()) {
auto [plc, crnt] = stk.top();
stk.pop();
std::visit(
[&]<typename M>(M& var)
{
var.resize(plc);
if constexpr (!std::is_same_v<M, layout_t>) {
auto& panels = var.panels();
for (std::size_t i = 0; i < panels.size(); i++) {
stk.emplace(var.place(i, panels.size()), panels[i].get());
}
}
},
crnt->m_payload);
}
}
void LayoutDynamic::input(event& evnt)
void Panel::render() const
{
if (evnt.type() == event::Type::KEY) {
if (evnt.key() == 'e') {
m_sel = m_sel->split<Type::Horizontal>();
m_sel->layout().emplace_child();
render();
evnt.type() = event::Type::NONE;
return;
}
std::stack<const Panel*> stk;
stk.emplace(this);
while (!stk.empty()) {
const auto* crnt = stk.top();
stk.pop();
std::visit(
[&]<typename M>(const M& var)
{
if constexpr (std::is_same_v<M, layout_t>) {
var.render();
}
if constexpr (!std::is_same_v<M, layout_t>) {
for (const auto& panel : var.panels()) {
stk.emplace(panel.get());
}
}
},
crnt->m_payload);
}
}
if (evnt.key() == 'r') {
m_sel = m_sel->split<Type::Vertical>();
m_sel->layout().emplace_child();
render();
evnt.type() = event::Type::NONE;
return;
Panel* Panel::close()
{
const auto visit_parent = [&]<typename M>(M& pcont) -> Panel*
{
if constexpr (std::is_same_v<M, layout_t>) {
throw std::runtime_error("Invalid node handle [close() layout_t]");
}
if (evnt.key() == 'x') {
m_sel = m_sel->close();
if (m_sel != nullptr) {
render();
if constexpr (!std::is_same_v<M, layout_t>) {
// need this here because 'this' is going to deleted
auto* parent = m_parent;
const auto pos = get_elem().apos();
pcont.panels().erase(pcont.find_child(this));
// 'this' is not to be used anymore
if (pcont.panels().size() > 1) {
parent->resize(pcont.aplc());
return parent->select(pos);
}
evnt.type() = event::Type::NONE;
return;
// one child left, no need for Panel anymore
// need this here because this is going to overridden
auto payload = std::move(pcont.panels()[0]->m_payload);
const auto aplc = pcont.aplc();
parent->m_payload = std::move(payload);
// pcnot is not to be used anymore
// re-parent if needed
std::visit(
[&]<typename L>(L& val)
{
if constexpr (!std::is_same_v<L, layout_t>) {
for (const auto& panel : val.panels()) {
panel->m_parent = parent;
}
}
},
parent->m_payload);
parent->resize(aplc);
return parent->select(aplc.pos);
}
};
if (m_parent == nullptr) {
// I am the last one
return nullptr;
}
if (evnt.key() == 'w') {
m_sel = m_container.select(m_sel, Direction::Up);
render();
evnt.type() = event::Type::NONE;
return;
return std::visit(visit_parent, m_parent->m_payload);
}
Panel* Panel::select(Panel* sel, Direction dir)
{
const auto& sele = sel->get_elem();
pos_t tpos = {0, 0};
switch (dir) {
case Direction::Up:
tpos = sele.apos() + pos_t(0, -1);
break;
case Direction::Left:
tpos = sele.apos() + pos_t(-1, 0);
break;
case Direction::Down:
tpos = sele.apos() + pos_t(0UL, sele.ahgt().value());
break;
case Direction::Right:
tpos = sele.apos() + pos_t(sele.awth().value(), 0UL);
break;
}
const auto& roote = get_elem();
if (!(roote.apos() <= tpos && tpos < roote.apos() + roote.adim())) {
return sel;
}
return select(tpos);
}
Panel* Panel::select(pos_t tpos)
{
Panel* crnt = this;
while (true) {
auto* next = std::visit(
[&]<typename M>(const M& val) -> Panel*
{
if constexpr (std::is_same_v<M, layout_t>) {
return nullptr;
}
if constexpr (!std::is_same_v<M, layout_t>) {
for (const auto& panel : val.panels()) {
const auto plc = panel->get_elem().aplc();
if (plc.pos <= tpos && tpos < plc.pos + plc.dim) {
return panel.get();
}
}
throw std::runtime_error("Something's wrong, I can feel it!");
}
},
crnt->m_payload);
if (next == nullptr) {
return crnt;
}
if (evnt.key() == 'a') {
m_sel = m_container.select(m_sel, Direction::Left);
render();
evnt.type() = event::Type::NONE;
return;
crnt = next;
}
}
template<Panel::Split T>
Panel* Panel::split()
{
const auto visit_parent = [&]<typename M>(M& pcont) -> Panel*
{
if constexpr (std::is_same_v<M, layout_t>) {
throw std::runtime_error("Invalid node handle [split() layout_t]");
}
if (evnt.key() == 's') {
m_sel = m_container.select(m_sel, Direction::Down);
render();
evnt.type() = event::Type::NONE;
return;
if constexpr (!std::is_same_v<M, layout_t>) {
if constexpr (M::type() != T) {
return nullptr;
}
auto itr = pcont.panels().emplace(
pcont.find_child(this) + 1,
std::make_unique<Panel>(m_parent, plc_t({0, 0}, {0, 0})));
m_parent->resize(pcont.aplc());
return itr->get();
}
};
if (evnt.key() == 'd') {
m_sel = m_container.select(m_sel, Direction::Right);
render();
evnt.type() = event::Type::NONE;
return;
// can it by handled by the parent?
if (m_parent != nullptr) {
auto* ret = std::visit(visit_parent, m_parent->m_payload);
if (ret != nullptr) {
return ret;
}
}
m_sel->layout().input(evnt);
// Nope I'll do it myself
const auto aplc = std::get<layout_t>(m_payload).aplc();
auto child = std::get<layout_t>(m_payload).release_child();
auto& container = m_payload.emplace<Container<T>>(aplc);
// var is not to be used anymore
container.panels().emplace_back(
std::make_unique<Panel>(this, container.place(0, 2), std::move(child)));
container.panels().emplace_back(
std::make_unique<Panel>(this, container.place(1, 2)));
return container.panels().back().get();
}
template Panel* Panel::split<Panel::Split::Horizontal>();
template Panel* Panel::split<Panel::Split::Vertical>();
} // namespace display
diff --git a/source/layout_dynamic.hpp b/source/layout_dynamic.hpp
@@ -1,364 +1,134 @@
#pragma once
#include <memory>
#include <stack>
#include <stdexcept>
#include <variant>
#include <vector>
#include "display/element.hpp"
#include "display/layout.hpp"
#include "display/window.hpp"
namespace display
{
class WindowTest : public Window
class Panel
{
public:
explicit WindowTest(plc_t aplc)
: Window(aplc, {1, 1})
{
}
using layout_t = Layout<Element>;
void render() const override
enum class Split : std::uint8_t
{
line_reset();
line_right(std::to_string(m_num));
Window::render_border();
}
static int counter;
int m_num = ++counter;
};
enum class Type : std::uint8_t
{
Horizontal,
Vertical,
};
enum class Direction : std::uint8_t
{
Up,
Left,
Down,
Right
};
Horizontal,
Vertical,
};
class Container;
template<Type T>
class PanelContainer : public Element
{
public:
explicit PanelContainer(plc_t aplc)
: Element(aplc)
enum class Direction : std::uint8_t
{
}
static constexpr Type type() { return T; }
const auto& panels() const { return m_panels; }
auto& panels() { return m_panels; }
Up,
Left,
Down,
Right
};
plc_t place(std::size_t idx, std::size_t size) const;
auto find_child(Container* child)
{
return std::find_if(m_panels.begin(),
m_panels.end(),
[&](const auto& ptr) { return ptr.get() == child; });
}
private:
std::vector<std::unique_ptr<Container>> m_panels;
};
using PanelHorizontal = PanelContainer<Type::Horizontal>; // NOLINT
using PanelVertical = PanelContainer<Type::Vertical>; // NOLINT
template<>
inline plc_t PanelHorizontal::place(std::size_t idx, std::size_t size) const
{
if (idx + 1 == size) {
const auto unit = (awth() / size) * (size - 1);
const auto wth = awth() - unit;
const auto xpos = axpos() + unit;
return {{xpos, aypos()}, {wth, ahgt()}};
}
const auto wth = awth() / size;
const auto xpos = axpos() + wth * idx;
return {{xpos, aypos()}, {wth, ahgt()}};
}
template<>
inline plc_t PanelVertical::place(std::size_t idx, std::size_t size) const
{
if (idx + 1 == size) {
const auto unit = (ahgt() / size) * (size - 1);
const auto ypos = aypos() + unit;
const auto hgt = ahgt() - unit;
return {{axpos(), ypos}, {awth(), hgt}};
}
const auto hgt = ahgt() / size;
const auto ypos = aypos() + hgt * idx;
return {{axpos(), ypos}, {awth(), hgt}};
}
class Container
{
public:
using layout_t = Layout<WindowTest>;
Container(Container* parent, plc_t aplc, layout_t::ptr_t&& child)
Panel(Panel* parent, plc_t aplc, layout_t::ptr_t&& child)
: m_parent(parent)
, m_payload(layout_t(aplc, std::move(child)))
{
}
explicit Container(Container* parent, plc_t aplc)
explicit Panel(Panel* parent, plc_t aplc)
: m_parent(parent)
, m_payload(layout_t(aplc))
{
}
auto& layout() { return std::get<layout_t>(m_payload); }
layout_t& layout() { return std::get<layout_t>(m_payload); }
void resize(plc_t aplc)
{
std::stack<std::pair<plc_t, Container*>> stk;
stk.emplace(aplc, this);
while (!stk.empty()) {
auto [plc, crnt] = stk.top();
stk.pop();
std::visit(
[&]<typename M>(M& var)
{
var.resize(plc);
if constexpr (!std::is_same_v<M, layout_t>) {
auto& panels = var.panels();
for (std::size_t i = 0; i < panels.size(); i++) {
stk.emplace(var.place(i, panels.size()), panels[i].get());
}
}
},
crnt->m_payload);
}
}
void resize(plc_t aplc);
void render() const;
void render() const
{
std::stack<const Container*> stk;
stk.emplace(this);
while (!stk.empty()) {
const auto* crnt = stk.top();
stk.pop();
std::visit(
[&]<typename M>(const M& var)
{
if constexpr (std::is_same_v<M, layout_t>) {
var.render();
}
if constexpr (!std::is_same_v<M, layout_t>) {
for (const auto& panel : var.panels()) {
stk.emplace(panel.get());
}
}
},
crnt->m_payload);
}
}
template<Split T>
Panel* split();
template<Type T>
Container* split()
{
const auto visit_parent = [&]<typename M>(M& pcont) -> Container*
{
if constexpr (std::is_same_v<M, layout_t>) {
throw std::runtime_error("Invalid node handle [split() layout_t]");
}
Panel* close();
Panel* select(Panel* sel, Direction dir);
if constexpr (!std::is_same_v<M, layout_t>) {
if constexpr (M::type() != T) {
return nullptr;
}
auto itr = pcont.panels().emplace(
pcont.find_child(this) + 1,
std::make_unique<Container>(m_parent, plc_t({0, 0}, {0, 0})));
private:
const Element& get_elem() const
{
return std::visit([](const auto& val) -> const Element& { return val; },
m_payload);
}
m_parent->resize(pcont.aplc());
Panel* select(pos_t tpos);
return itr->get();
}
};
template<Split M>
class Container : public Element
{
public:
using ptr_t = std::unique_ptr<Panel>;
using container_t = std::vector<ptr_t>;
// can it by handled by the parent?
if (m_parent != nullptr) {
auto* ret = std::visit(visit_parent, m_parent->m_payload);
if (ret != nullptr) {
return ret;
}
explicit Container(plc_t aplc)
: Element(aplc)
{
}
// Nope I'll do it myself
const auto aplc = std::get<layout_t>(m_payload).aplc();
auto child = std::get<layout_t>(m_payload).release_child();
auto& con = m_payload.emplace<PanelContainer<T>>(aplc);
// var is not to be used anymore
con.panels().emplace_back(
std::make_unique<Container>(this, con.place(0, 2), std::move(child)));
static constexpr Split type() { return M; }
con.panels().emplace_back(
std::make_unique<Container>(this, con.place(1, 2)));
const container_t& panels() const { return m_panels; }
container_t& panels() { return m_panels; }
return con.panels().back().get();
}
Container* close()
{
const auto visit_parent = [&]<typename M>(M& pcont) -> Container*
plc_t place(std::size_t idx, std::size_t size) const
{
if constexpr (std::is_same_v<M, layout_t>) {
throw std::runtime_error("Invalid node handle [close() layout_t]");
}
if constexpr (M == Split::Horizontal) {
if (idx + 1 == size) {
const auto unit = (awth() / size) * (size - 1);
const auto wth = awth() - unit;
const auto xpos = axpos() + unit;
if constexpr (!std::is_same_v<M, layout_t>) {
// need this here because 'this' is going to deleted
auto* parent = m_parent;
const auto pos = get_elem().apos();
pcont.panels().erase(pcont.find_child(this));
// 'this' is not to be used anymore
if (pcont.panels().size() > 1) {
parent->resize(pcont.aplc());
return parent->select(pos);
return {{xpos, aypos()}, {wth, ahgt()}};
}
// one child left, no need for Panel anymore
// need this here because this is going to overridden
auto payload = std::move(pcont.panels()[0]->m_payload);
const auto aplc = pcont.aplc();
parent->m_payload = std::move(payload);
// pcnot is not to be used anymore
// re-parent if needed
std::visit(
[&]<typename L>(L& val)
{
if constexpr (!std::is_same_v<L, layout_t>) {
for (auto& panel : val.panels()) {
panel->m_parent = parent;
}
}
},
parent->m_payload);
parent->resize(aplc);
return parent->select(aplc.pos);
}
};
if (m_parent == nullptr) {
// I am the last one
return nullptr;
}
return std::visit(visit_parent, m_parent->m_payload);
}
Container* select(Container* sel, Direction dir)
{
const auto& sele = sel->get_elem();
pos_t tpos = {0, 0};
switch (dir) {
case Direction::Up:
tpos = sele.apos() + pos_t(0, -1);
break;
case Direction::Left:
tpos = sele.apos() + pos_t(-1, 0);
break;
case Direction::Down:
tpos = sele.apos() + pos_t(0UL, sele.ahgt().value());
break;
case Direction::Right:
tpos = sele.apos() + pos_t(sele.awth().value(), 0UL);
break;
}
const auto wth = awth() / size;
const auto xpos = axpos() + wth * idx;
const auto& roote = get_elem();
if (!(roote.apos() <= tpos && tpos < roote.apos() + roote.adim())) {
return sel;
}
return {{xpos, aypos()}, {wth, ahgt()}};
} else {
if (idx + 1 == size) {
const auto unit = (ahgt() / size) * (size - 1);
const auto ypos = aypos() + unit;
const auto hgt = ahgt() - unit;
return select(tpos);
}
return {{axpos(), ypos}, {awth(), hgt}};
}
private:
const Element& get_elem() const
{
return std::visit([](const auto& val) -> const Element& { return val; },
m_payload);
}
const auto hgt = ahgt() / size;
const auto ypos = aypos() + hgt * idx;
Container* select(pos_t tpos)
{
Container* crnt = this;
while (true) {
auto* next = std::visit(
[&]<typename M>(const M& val) -> Container*
{
if constexpr (std::is_same_v<M, layout_t>) {
return nullptr;
}
if constexpr (!std::is_same_v<M, layout_t>) {
for (const auto& panel : val.panels()) {
const auto plc = panel->get_elem().aplc();
if (plc.pos <= tpos && tpos < plc.pos + plc.dim) {
return panel.get();
}
}
throw std::runtime_error("Something's wrong, I can feel it!");
}
},
crnt->m_payload);
if (next == nullptr) {
return crnt;
return {{axpos(), ypos}, {awth(), hgt}};
}
}
crnt = next;
container_t::iterator find_child(Panel* child)
{
return std::find_if(m_panels.begin(),
m_panels.end(),
[&](const auto& ptr) { return ptr.get() == child; });
}
}
using payload_t = std::variant<layout_t, PanelHorizontal, PanelVertical>;
private:
container_t m_panels;
};
using payload_t = std::variant<layout_t,
Container<Split::Horizontal>,
Container<Split::Vertical>>;
Container* m_parent;
Panel* m_parent;
payload_t m_payload;
};
template<typename T>
class LayoutDynamic : public Element
{
public:
@@ -366,21 +136,18 @@ public:
: Element(aplc)
, m_container(nullptr, aplc)
{
m_sel->layout().emplace_child();
}
bool is_finished() const { return m_sel == nullptr; }
void render() const override
template<typename M = T, class... Args>
requires(std::is_base_of_v<T, M>)
M& emplace_child(Args&&... args)
{
Element::clear();
m_container.render();
std::cout << alec::foreground_v<alec::Color::RED>;
m_sel->layout().get_child().render_border();
std::cout << alec::foreground_v<alec::Color::DEFAULT>;
std::cout << std::flush;
return m_sel->layout().emplace_child<M>(std::forward<Args>(args)...);
}
bool is_finished() const { return m_sel == nullptr; }
void render() const override { m_container.render(); }
void resize(plc_t aplc) override
{
Element::resize(aplc);
@@ -390,8 +157,43 @@ public:
void input(event& evnt) override;
private:
Container m_container;
Container* m_sel = &m_container;
Panel m_container;
Panel* m_sel = &m_container;
};
template<typename T>
void LayoutDynamic<T>::input(event& evnt)
{
if (evnt.type() == event::Type::KEY) {
const auto* old = m_sel;
if (evnt.key() == 'e') {
const auto& child = m_sel->layout().get_child<T>();
m_sel = m_sel->split<Panel::Split::Horizontal>();
m_sel->layout().emplace_child<T>(child);
} else if (evnt.key() == 'r') {
const auto& child = m_sel->layout().get_child<T>();
m_sel = m_sel->split<Panel::Split::Vertical>();
m_sel->layout().emplace_child<T>(child);
} else if (evnt.key() == 'x') {
m_sel = m_sel->close();
} else if (evnt.key() == 'w') {
m_sel = m_container.select(m_sel, Panel::Direction::Up);
} else if (evnt.key() == 'a') {
m_sel = m_container.select(m_sel, Panel::Direction::Left);
} else if (evnt.key() == 's') {
m_sel = m_container.select(m_sel, Panel::Direction::Down);
} else if (evnt.key() == 'd') {
m_sel = m_container.select(m_sel, Panel::Direction::Right);
} else {
m_sel->layout().input(evnt);
}
if (m_sel != nullptr && m_sel != old) {
render();
}
evnt.type() = event::Type::NONE;
return;
}
}
} // namespace display
diff --git a/source/main.cpp b/source/main.cpp
@@ -1,5 +1,6 @@
#include <filesystem>
#include <fstream>
#include <memory>
#include <span>
#include <string>
#include <vector>
@@ -13,36 +14,34 @@
class File
{
public:
using container_t = std::vector<std::string>;
explicit File(const std::filesystem::path& path)
: m_lines(std::make_shared<container_t>())
{
std::ifstream ifs(path);
std::string line;
while (std::getline(ifs, line)) {
m_lines.emplace_back(line);
m_lines->emplace_back(line);
}
}
File(const File&) = delete;
File& operator=(const File&) = delete;
File(File&&) = default;
File& operator=(File&&) = default;
~File() = default;
const auto& operator[](std::size_t idx) const { return m_lines[idx]; }
auto& operator[](std::size_t idx) { return m_lines[idx]; }
const auto& operator[](std::size_t idx) const
{
return m_lines->operator[](idx);
}
auto& operator[](std::size_t idx) { return m_lines->operator[](idx); }
auto substr(std::size_t idx, std::size_t pos, std::size_t len) const
{
return pos < m_lines[idx].size() ? m_lines[idx].substr(pos, len) : "";
return pos < operator[](idx).size() ? operator[](idx).substr(pos, len) : "";
}
auto size() const { return m_lines.size(); }
auto size() const { return m_lines->size(); }
private:
std::vector<std::string> m_lines;
std::shared_ptr<container_t> m_lines;
};
class PanelWindow : public display::Window
@@ -257,6 +256,11 @@ public:
{
}
Panel(display::plc_t aplc, const Panel& panel)
: Panel(aplc, panel.m_state.file)
{
}
void resize(display::plc_t aplc) override
{
Element::resize(aplc);
@@ -292,19 +296,19 @@ public:
private:
display::plc_t place_num() const
{
return {display::pos_t(0, 0),
return {apos() + display::pos_t(0, 0),
display::dim_t(get_linenuwidth(), (ahgt() - 1).value())};
}
display::plc_t place_info() const
{
return {display::pos_t(0U, (ahgt() - 1).value()),
return {apos() + display::pos_t(0U, (ahgt() - 1).value()),
display::dim_t(awth(), display::hgt_t(1))};
}
display::plc_t place_editor() const
{
return {display::pos_t(get_linenuwidth(), 0U),
return {apos() + display::pos_t(get_linenuwidth(), 0U),
display::dim_t(awth() - get_linenuwidth(), ahgt() - 1)};
}
@@ -336,9 +340,11 @@ int main(const int argc, const char* argv[])
return -1;
}
using editor_t = display::LayoutDynamic<Panel>;
auto& inst = display::Display::display();
// inst.layout().set_child<Panel>(File(args[1]));
const auto& layout = inst.layout().emplace_child<display::LayoutDynamic>();
auto& layout = inst.layout().emplace_child<editor_t>();
layout.emplace_child(File(args[1]));
inst.render();
while (true) {