giga

Terminal text editor
git clone git://git.dimitrijedobrota.com/giga.git
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commitb033d033674ecfc4df4c8e37a8cfa19231eb5250
parent259cdcf5504a5ce31ba2bc7fe44da5c5054a9f29
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateSat, 1 Mar 2025 16:46:45 +0100

Cursor line movement scrolls screen

Diffstat:
MCMakeLists.txt|+-
Msource/main.cpp|+++++++++++++++++++----

2 files changed, 20 insertions(+), 5 deletions(-)

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

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

project(
giga
VERSION 0.1.2
VERSION 0.1.3
DESCRIPTION "Terminal text editor"
HOMEPAGE_URL "https://git.dimitrijedobrota.com/giga.git"
LANGUAGES CXX

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

@@ -51,14 +51,22 @@ public:

line_reset();
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;
for (std::size_t i = 0; i < hgt().value(); i++) {
const auto line = i + m_line_start;
if (line >= m_file.size()) {
break;
}
if (i == m_cursor.y.value()) {
std::cout << alec::background_v<alec::Color::BLACK>;
}
line_left(get_linenum(line, linenum_width) + " " + m_file[line]);
if (i == m_cursor.y.value()) {
std::cout << alec::background_v<alec::Color::DEFAULT>;
}
}
Window::render();

@@ -74,18 +82,24 @@ public:

}
if (evnt.key() == 'j') {
if (m_line_start + hgt().value() <= m_file.size()) {
if (m_cursor.y.value() + 1 < hgt().value()) {
m_cursor.y++;
} else 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) {
if (m_cursor.y.value() > 0) {
m_cursor.y--;
} else if (m_line_start > 0) {
m_line_start--;
}
evnt.type() = event::Type::NONE;
render();
return;

@@ -114,6 +128,7 @@ private:

File m_file;
std::size_t m_line_start = 0;
display::pos_t m_cursor = {0, 0};
};
int main(const int argc, const char* argv[])