giga

Terminal text editor
git clone git://git.dimitrijedobrota.com/giga.git
Log | Files | Refs | README | HACKING | CONTRIBUTING | CODE_OF_CONDUCT | BUILDING
commit 259cdcf5504a5ce31ba2bc7fe44da5c5054a9f29
parent aeb168838fddf35f0dcb33b5a7cf89951e13471f
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Fri, 28 Feb 2025 19:43:28 +0100

Scroll up and down

Diffstat:
M .clang-tidy | ++
M CMakeLists.txt | + -
M source/main.cpp | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -----

3 files changed, 62 insertions(+), 6 deletions(-)

diff --git a/ .clang-tidy b/ .clang-tidy

@@ -6,7 +6,9 @@ Checks: "*,\

-google-readability-todo,\
-altera-*,\
-boost-*,\
-bugprone-easily-swappable-parameters,\
-cppcoreguidelines-avoid-magic-numbers,\
-cppcoreguidelines-avoid-do-while,\
-abseil-string-find-str-contains,\
-fuchsia-*,\
fuchsia-multiple-inheritance,\

diff --git a/ CMakeLists.txt b/ CMakeLists.txt

@@ -4,7 +4,7 @@ include(cmake/prelude.cmake)


project(
giga
VERSION 0.1.1
VERSION 0.1.2
DESCRIPTION "Terminal text editor"
HOMEPAGE_URL "https://git.dimitrijedobrota.com/giga.git"
LANGUAGES CXX

diff --git a/ source/main.cpp b/ source/main.cpp

@@ -50,24 +50,75 @@ public:

{
line_reset();

for (auto line = display::hgt_t(0); line < hgt(); line++) {
if (line.value() >= m_file.size()) {
const auto linenum_width = get_linenum_width();
for (auto i = display::hgt_t(0); i < hgt(); i++) {
const auto line = i.value() + m_line_start;

if (line >= m_file.size()) {
break;
}

line_left(m_file[line.value()]);
line_left(get_linenum(line, linenum_width) + " " + m_file[line]);
}

Window::render();
Window::render_border();
}

void input(display::event& evnt) override
{
using display::event;

if (evnt.type() != event::Type::KEY) {
return;
}

if (evnt.key() == 'j') {
if (m_line_start + hgt().value() <= m_file.size()) {
m_line_start++;
}
evnt.type() = event::Type::NONE;
render();
return;
}

if (evnt.key() == 'k') {
if (m_line_start > 0) {
m_line_start--;
}
evnt.type() = event::Type::NONE;
render();
return;
}
}

private:
static std::string get_linenum(std::size_t line, std::uint8_t width)
{
const auto line_str = std::to_string(line);
return std::string(width - line_str.size(), ' ') + line_str;
}

std::uint8_t get_linenum_width() const
{
auto number = m_file.size();
std::uint8_t digits = 0;

do {
digits++;
} while ((number /= 10) > 0);

return digits;
}

File m_file;

std::size_t m_line_start = 0;
};

int main(const int argc, const char* argv[])
{
std::span args(argv, argv + argc);
const std::span args(argv, argv + argc);

if (args.size() < 2) {
std::cout << "Usage: " << args[0] << " filename\n";

@@ -81,7 +132,8 @@ int main(const int argc, const char* argv[])

while (true) {
using display::event;

const auto evnt = inst.get_event();
auto evnt = inst.get_event();

if (evnt.type() == event::Type::RESIZE) {
std::cout << alec::erase_display_v<alec::Motion::WHOLE>;
inst.render();

@@ -91,6 +143,8 @@ int main(const int argc, const char* argv[])

if (evnt.type() == event::Type::KEY && evnt.key() == 'q') {
break;
}

inst.input(evnt);
}

return 0;