add navigation up down

This commit is contained in:
chatlanin 2023-03-27 10:48:39 +03:00
parent 11ba975ec8
commit c39fb0e6da
4 changed files with 67 additions and 7 deletions

View File

@ -18,8 +18,6 @@ namespace rrr
nav.fill(PWD);
his.fill(PWD);
prev.fill(nav.data.at(navigation_cursor_position).path);
hack::log()(prev.data.size());
}
files* content::get(TYPE_WIN type)

View File

@ -37,8 +37,12 @@ namespace rrr::layers::gui
pos.y += 9.f; // небольшой отступ сверху
ImGui::SetCursorPosY(pos.y);
for (auto& item : *data)
auto begin = data->begin() + delta;
auto end = data->end();
for (files::iterator it = begin; it != end; ++it)
{
auto item = *it;
ImGui::PushID(item.id);
push_style(item);
@ -52,6 +56,7 @@ namespace rrr::layers::gui
ImGui::TextUnformatted(">");
ImGui::SameLine(22.f);
current_position = it - data->begin();
}
else
{
@ -175,12 +180,14 @@ namespace rrr::layers::gui
{
cnt->increment_position(STEP_DOWN);
em->execute(types::event_type::NAVIGATION_DOWN, nullptr);
set_delta(MOVE_DIRECTION::DOWN);
}
if (key.get_keycode() == try_engine::key::K)
{
cnt->increment_position(STEP_UP);
em->execute(types::event_type::NAVIGATION_UP, nullptr);
set_delta(MOVE_DIRECTION::UP);
}
if (key.get_keycode() == try_engine::key::H)
@ -221,4 +228,54 @@ namespace rrr::layers::gui
if (key.get_keycode() == try_engine::key::LEFTSHIFT || key.get_keycode() == try_engine::key::RIGHTSHIFT)
shift = false;
}
void navigation::set_delta(MOVE_DIRECTION mvd)
{
auto row_size = 26.3f; // высота вы пикселях одной строки списка
int h = height / row_size; // высота в строках списка всего столбца экрана
auto big_content = height < data->size() * row_size;
static auto cursor_position = 0; // позиция курсора относительно высоты экрана
int size = data->size();
if (big_content)
{
if (mvd == MOVE_DIRECTION::DOWN)
{
++cursor_position;
// на самом деле получаем его выше, но делаем такой трюк
// т.к. происходит задержка на один ход нажатия клавиши
++current_position;
if (current_position >= size) current_position = size - 1;
bool is_end = size - current_position <= 10;
if (cursor_position >= h - 10 && !is_end)
{
++delta;
cursor_position = h - 10;
}
if (cursor_position >= h) cursor_position = h;
}
if (mvd == MOVE_DIRECTION::UP)
{
--cursor_position;
--current_position;
if (cursor_position <= 10)
--delta;
if (cursor_position < 10 && current_position > 12)
cursor_position = 10;
if (delta < 0)
{
delta = 0;
cursor_position = 0;
}
}
}
}
}

View File

@ -43,12 +43,16 @@ namespace rrr::layers::gui
const int STEP_DOWN = 1;
file selected_file;
bool shift = false;
int current_position = 0;
int delta = 0;
private:
const ImVec4 dir_color = func::get_IMGUI_color<ImVec4>(91.f, 128.f, 191.f);
const ImVec4 file_color = func::get_IMGUI_color<ImVec4>(186.f, 186.f, 186.f);
const ImVec4 link_color = func::get_IMGUI_color<ImVec4>(51.f, 95.f, 165.f);
enum class MOVE_DIRECTION { UP, DOWN };
private:
void resize();
void pressed(system_event& e);
@ -57,6 +61,7 @@ namespace rrr::layers::gui
void push_style(file&);
void pop_style(file&);
std::string get_file_content(file&);
void set_delta(MOVE_DIRECTION);
};
}

View File

@ -11,17 +11,17 @@ namespace rrr
{
using event_manager = try_engine::app_event::event;
class engine : public try_engine::application
class rrr_impl : public try_engine::application
{
public:
engine(std::string app_name) : try_engine::application{ app_name }
rrr_impl(std::string app_name) : try_engine::application{ app_name }
{
// HERE
// убрать это в релизе
cnt.set_pwd("/mnt/develop/projects/cpp/rrr/dir_for_tests");
cnt.fill();
};
~engine() = default;
~rrr_impl() = default;
public:
template<typename... Args>
@ -42,7 +42,7 @@ namespace try_engine
{
inline application& create()
{
static rrr::engine e { "rrr.v2" };
static rrr::rrr_impl e { "rrr.v2" };
e.push_layer(
new rrr::layers::gui::history{},