# B15F: ui/view_promt.cpp Source File

view_promt.cpp
#include "view_promt.h"
void ViewPromt::draw()
{
curs_set(1); // show cursor
int li = text_offset_y;
int ci = 0;
for(std::string line : str_split(message + input, "\n"))
{
mvwprintw(win, ++li, text_offset_x, "%s", line.c_str());
ci = line.length() + text_offset_x;
}
button_offset_x = (width - label_cancel.length() - sep.length() - label_confirm.length()) / 2;
button_offset_y = height - text_offset_y;
if(selection == 0)
{
wattron(win, A_REVERSE);
mvwprintw(win, button_offset_y, button_offset_x, "%s", label_cancel.c_str());
wattroff(win, A_REVERSE);
mvwprintw(win, button_offset_y, button_offset_x + label_cancel.length(), "%s", sep.c_str());
mvwprintw(win, button_offset_y, button_offset_x + label_cancel.length() + sep.length(), "%s", label_confirm.c_str());
}
else
{
mvwprintw(win, button_offset_y, button_offset_x, "%s", label_cancel.c_str());
mvwprintw(win, button_offset_y, button_offset_x + label_cancel.length(), "%s", sep.c_str());
wattron(win, A_REVERSE);
mvwprintw(win, button_offset_y, button_offset_x + label_cancel.length() + sep.length(), "%s", label_confirm.c_str());
wattroff(win, A_REVERSE);
}
wmove(win, li, ci);
}
void ViewPromt::setMessage(std::string message)
{
this->message = message;
}
void ViewPromt::setConfirm(std::string name, std::function<void(int)> call)
{
label_confirm = name;
call_confirm = call;
}
void ViewPromt::setCancel(std::string name, bool cancelable)
{
label_cancel = name;
this->cancelable = cancelable;
}
std::string ViewPromt::getInput()
{
return input;
}
std::function<void(int)> ViewPromt::keypress(int& key)
{
std::function<void(int)> ret = nullptr;
switch(key)
{
case KEY_BACKSPACE:
if(input.length())
input.pop_back();
break;
case '\t':
case KEY_LEFT:
case KEY_RIGHT:
selection = (selection + 1 ) % 2;
break;
case KEY_MOUSE:
{
// http://pronix.linuxdelta.de/C/Linuxprogrammierung/Linuxsystemprogrammieren_C_Kurs_Kapitel10b.shtml
MEVENT event;
bool hit = false;
if(getmouse(&event) == OK && event.bstate & (BUTTON1_CLICKED | BUTTON1_DOUBLE_CLICKED))
{
size_t column_start = start_x + button_offset_x;
size_t row_start = start_y + button_offset_y;
size_t mouse_x = event.x, mouse_y = event.y;
if(mouse_y == row_start)
{
if(cancelable && mouse_x >= column_start && mouse_x < column_start + label_cancel.length())
{
if(selection == 0 || event.bstate & BUTTON1_DOUBLE_CLICKED)
hit = true;
selection = 0;
}
if(mouse_x >= column_start + label_cancel.length() + sep.length() && mouse_x < column_start + label_cancel.length() + sep.length() + label_confirm.length())
{
if(selection == 1 || event.bstate & BUTTON1_DOUBLE_CLICKED)
hit = true;
selection = 1;
}
}
}
if(!hit)
break;
// fall through to next case
[[fallthrough]];
}
case KEY_ENT:
if(selection == 0) // exit
key = -1; // do return from view
else
ret = call_confirm;
break;
default:
break;
}
if(key >= ' ' && key <= '~')
input += (char) key;
if(key != KEY_ENT)
repaint();
return ret;
}