blob: afb41109b96c60a7eaf07c88ce9da25a50820231 [file] [log] [blame]
// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include "main.hpp"
#include <ncurses.h>
#include <string>
#include <vector>
class DBusTopWindow;
class ArrowKeyNavigationMenu
{
public:
explicit ArrowKeyNavigationMenu(WINDOW* win) :
win_(win), h_padding_(2), col_width_(15), h_spacing_(2), idx0_(INVALID),
idx1_(INVALID), choice_(INVALID), parent_(nullptr)
{}
explicit ArrowKeyNavigationMenu(DBusTopWindow* view);
void LoadDummyValues()
{
items_.clear();
items_.push_back("Sender");
items_.push_back("Destination");
items_.push_back("Interface");
items_.push_back("Path");
items_.push_back("Member");
}
void OnKeyDown(const std::string& key);
void Render();
void MoveCursorAlongSecondaryAxis(int delta);
void MoveCursorAlongPrimaryAxis(int delta);
int DispEntriesPerRow()
{
int ncols = 0;
while (true)
{
int next = ncols + 1;
int w = 2 * h_padding_ + col_width_ * next;
if (next > 1)
w += (next - 1) * h_spacing_;
if (w <= rect_.w - 2)
{
ncols = next;
}
else
{
break;
}
}
return ncols;
}
int DispEntriesPerColumn()
{
return rect_.h;
}
void SetRect(const Rect& rect)
{
rect_ = rect;
}
enum Order
{
ColumnMajor,
RowMajor,
};
void SetOrder(Order o)
{
order = o;
}
int Choice()
{
return choice_;
}
void Deselect()
{
choice_ = INVALID;
}
bool Empty()
{
return items_.empty();
}
void SetChoiceAndConstrain(int c);
Rect rect_;
void AddItem(const std::string& s);
bool RemoveHighlightedItem(std::string* ret); // returns true if successful
std::vector<std::string> Items()
{
return items_;
}
void do_Render(bool is_column_major);
std::vector<std::string> items_;
WINDOW* win_;
int h_padding_;
int col_width_;
int h_spacing_;
int idx0_, idx1_;
int choice_;
DBusTopWindow* parent_;
Order order;
};