display

Layout and Rendering TUI library
git clone git://git.dimitrijedobrota.com/display.git
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commit 7ab20e8f93307b6e9e69366997d3f776fc37072c
parent 02cc734123e95d7ed303a9a7537fa7fc746719b1
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Sat, 8 Feb 2025 14:40:48 +0100

Add support for pivoting windows

Diffstat:
M .clang-tidy | +++ ---
M CMakeLists.txt | + -
M example/example.cpp | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------
M include/display/layout.hpp | ++++++++++++++++++++++++++++++++ -

4 files changed, 92 insertions(+), 11 deletions(-)

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

@@ -79,9 +79,9 @@ CheckOptions:

- key: 'readability-identifier-naming.ConstexprVariableCase'
value: 'lower_case'
- key: 'readability-identifier-naming.EnumCase'
value: 'lower_case'
value: 'CamelCase'
- key: 'readability-identifier-naming.EnumConstantCase'
value: 'lower_case'
value: 'CamelCase'
- key: 'readability-identifier-naming.FunctionCase'
value: 'lower_case'
- key: 'readability-identifier-naming.GlobalConstantCase'

@@ -135,7 +135,7 @@ CheckOptions:

- key: 'readability-identifier-naming.PublicMethodCase'
value: 'lower_case'
- key: 'readability-identifier-naming.ScopedEnumConstantCase'
value: 'lower_case'
value: 'CamelCase'
- key: 'readability-identifier-naming.StaticConstantCase'
value: 'lower_case'
- key: 'readability-identifier-naming.StaticVariableCase'

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

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


project(
display
VERSION 0.1.5
VERSION 0.1.6
DESCRIPTION "TUI library"
HOMEPAGE_URL "https://example.com/"
LANGUAGES CXX

diff --git a/ example/example.cpp b/ example/example.cpp

@@ -10,11 +10,49 @@ namespace


int renderer(display::Window& win)
{
using display::PvtX;
using display::PvtY;

static int color_red = 0;

display::sz_t start_x = 0;
display::sz_t end_x = 0;
display::sz_t start_y = 0;
display::sz_t end_y = 0;

switch (win.piv().x) {
case PvtX::Left:
start_x = win.pos().x;
end_x = start_x + win.dim().width;
break;
case PvtX::Center:
start_x = win.pos().x - win.dim().width / 2;
end_x = start_x + win.dim().width;
break;
case PvtX::Right:
end_x = win.pos().x;
start_x = end_x - win.dim().width;
break;
}

switch (win.piv().y) {
case PvtY::Top:
start_y = win.pos().y;
end_y = start_y + win.dim().height;
break;
case PvtY::Center:
start_y = win.pos().y - win.dim().height / 2;
end_y = start_y + win.dim().height;
break;
case PvtY::Bottom:
end_y = win.pos().y;
start_y = end_y - win.dim().height;
break;
}

std::cout << alec::background(color_red += 25, 65, 65);
for (auto ypos = win.pos().y; ypos < win.pos().y + win.dim().height; ypos++) {
std::cout << alec::cursor_position(ypos, win.pos().x);
for (auto ypos = start_y; ypos <= end_y; ypos++) {
std::cout << alec::cursor_position(ypos, start_x);
std::cout << std::string(win.dim().width, ' ');
}
std::cout << alec::background_v<alec::Color::DEFAULT>;

@@ -30,11 +68,23 @@ int main()

try {
display::start();

const auto [cols, rows] = alec::get_screen_size();
const std::uint16_t colsm = cols / 2;
const std::uint16_t rowm = rows / 2;

using display::PvtX;
using display::PvtY;

display::LayoutFree layout;
layout.append({{3, 3}, {15, 15}});
layout.append({{0, 0, 1}, {10, 10}});
layout.append({{5, 5, 1}, {5, 10}});
layout.append({{15, 15, 1}, {5, 10}});
layout.append({{0, 0}, {20, 10}, {PvtX::Left, PvtY::Top}});
layout.append({{colsm, 0}, {20, 10}, {PvtX::Center, PvtY::Top}});
layout.append({{cols, 0}, {20, 10}, {PvtX::Right, PvtY::Top}});
layout.append({{cols, rowm}, {20, 10}, {PvtX::Right, PvtY::Center}});
layout.append({{cols, rows}, {20, 10}, {PvtX::Right, PvtY::Bottom}});
layout.append({{colsm, rows}, {20, 10}, {PvtX::Center, PvtY::Bottom}});
layout.append({{0, rows}, {20, 10}, {PvtX::Left, PvtY::Bottom}});
layout.append({{0, rowm}, {20, 10}, {PvtX::Left, PvtY::Center}});
layout.append({{colsm, rowm}, {20, 10}, {PvtX::Center, PvtY::Center}});
layout.render(renderer);

while (true) {

diff --git a/ include/display/layout.hpp b/ include/display/layout.hpp

@@ -35,12 +35,39 @@ struct pos_t

sz_t z;
};

enum class PvtX : std::uint8_t
{
Left,
Center,
Right
};

enum class PvtY : std::uint8_t
{
Top,
Center,
Bottom
};

struct piv_t
{
piv_t(PvtX pvtx = PvtX::Left, PvtY pvty = PvtY::Top) // NOLINT
: x(pvtx)
, y(pvty)
{
}

PvtX x;
PvtY y;
};

class Window
{
public:
Window(pos_t pos, dim_t dim)
Window(pos_t pos, dim_t dim, piv_t piv = {})
: m_pos(pos)
, m_dim(dim)
, m_piv(piv)
{
}

@@ -50,9 +77,13 @@ public:

const auto& dim() const { return m_dim; }
auto& dim() { return m_dim; }

const auto& piv() const { return m_piv; }
auto& piv() { return m_piv; }

private:
pos_t m_pos;
dim_t m_dim;
piv_t m_piv;
};

class LayoutFree