77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
#include "view_selection.h"
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void ViewSelection::draw()
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{
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for(size_t i = 0; i < choices.size(); i++)
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{
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if(selection == i)
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wattron(win, A_REVERSE);
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mvwprintw(win, i + choice_offset_y, choice_offset_x, "%s", choices[i].c_str());
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if(selection == i)
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wattroff(win, A_REVERSE);
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}
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}
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void ViewSelection::addChoice(std::string name, std::function<void(int)> call)
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{
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choices.push_back(name);
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calls.push_back(call);
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}
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std::function<void(int)> ViewSelection::keypress(int& key)
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{
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std::function<void(int)> ret = nullptr;
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switch(key)
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{
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case KEY_UP:
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do
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selection = (selection - 1 + choices.size()) % choices.size();
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while(!choices[selection].length() && choices.size());
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break;
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case '\t':
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case KEY_DOWN:
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do
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selection = (selection + 1) % choices.size();
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while(!choices[selection].length() && choices.size());
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break;
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case KEY_MOUSE:
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{
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// http://pronix.linuxdelta.de/C/Linuxprogrammierung/Linuxsystemprogrammieren_C_Kurs_Kapitel10b.shtml
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MEVENT event;
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bool hit = false;
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if(getmouse(&event) == OK && event.bstate & (BUTTON1_CLICKED | BUTTON1_DOUBLE_CLICKED))
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{
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size_t column_start = start_x + choice_offset_x;
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size_t row_start = start_y + choice_offset_y;
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size_t mouse_x = event.x, mouse_y = event.y;
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for(size_t i = 0; i < choices.size(); i++)
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if(choices[i].length() && mouse_y == row_start + i && mouse_x >= column_start && mouse_x < column_start + choices[i].length())
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{
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if(selection == i || event.bstate & BUTTON1_DOUBLE_CLICKED)
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hit = true;
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selection = i;
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}
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}
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if(!hit)
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break;
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// fall through to next case
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__attribute__ ((fallthrough));
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}
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case KEY_ENT:
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if(selection == choices.size() - 1) // exit
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key = -1; // do return from view
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else
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ret = calls[selection];
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break;
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default:
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break;
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}
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repaint();
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return ret;
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}
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