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107 lines
2.6 KiB
107 lines
2.6 KiB
#include <ncurses.h>
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#define WIDTH 30
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#define HEIGHT 10
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int startx = 0;
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int starty = 0;
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char *choices[] = { "Choice 1",
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"Choice 2",
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"Choice 3",
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"Choice 4",
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"Exit",
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};
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int n_choices = sizeof(choices) / sizeof(char *);
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void print_menu(WINDOW *menu_win, int highlight);
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void report_choice(int mouse_x, int mouse_y, int *p_choice);
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int main()
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{ int c, choice = 0;
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WINDOW *menu_win;
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MEVENT event;
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/* Initialize curses */
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initscr();
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clear();
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noecho();
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cbreak(); //Line buffering disabled. pass on everything
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/* Try to put the window in the middle of screen */
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startx = (80 - WIDTH) / 2;
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starty = (24 - HEIGHT) / 2;
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attron(A_REVERSE);
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mvprintw(23, 1, "Click on Exit to quit (Works best in a virtual console)");
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refresh();
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attroff(A_REVERSE);
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/* Print the menu for the first time */
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menu_win = newwin(HEIGHT, WIDTH, starty, startx);
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print_menu(menu_win, 1);
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/* Get all the mouse events */
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mousemask(ALL_MOUSE_EVENTS, NULL);
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while(1)
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{ c = wgetch(menu_win);
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switch(c)
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{ case KEY_MOUSE:
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if(getmouse(&event) == OK)
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{ /* When the user clicks left mouse button */
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if(event.bstate & BUTTON1_PRESSED)
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{ report_choice(event.x + 1, event.y + 1, &choice);
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if(choice == -1) //Exit chosen
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goto end;
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mvprintw(22, 1, "Choice made is : %d String Chosen is \"%10s\"", choice, choices[choice - 1]);
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refresh();
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}
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}
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print_menu(menu_win, choice);
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break;
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}
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}
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end:
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endwin();
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return 0;
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}
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void print_menu(WINDOW *menu_win, int highlight)
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{
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int x, y, i;
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x = 2;
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y = 2;
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box(menu_win, 0, 0);
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for(i = 0; i < n_choices; ++i)
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{ if(highlight == i + 1)
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{ wattron(menu_win, A_REVERSE);
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mvwprintw(menu_win, y, x, "%s", choices[i]);
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wattroff(menu_win, A_REVERSE);
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}
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else
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mvwprintw(menu_win, y, x, "%s", choices[i]);
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++y;
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}
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wrefresh(menu_win);
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}
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/* Report the choice according to mouse position */
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void report_choice(int mouse_x, int mouse_y, int *p_choice)
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{ int i,j, choice;
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i = startx + 2;
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j = starty + 3;
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for(choice = 0; choice < n_choices; ++choice)
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if(mouse_y == j + choice && mouse_x >= i && mouse_x <= i + strlen(choices[choice]))
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{ if(choice == n_choices - 1)
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*p_choice = -1;
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else
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*p_choice = choice + 1;
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break;
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}
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}
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