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learned ncurses up to a basic menu system

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interrupts
atomega 3 years ago
parent c190bd5ca7
commit 413872dba6
3 changed files with 214 additions and 49 deletions
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11
ked/ncurses/instbrave.sh
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@ -0,0 +1,11 @@
#!/bin/bash
sudo apt install apt-transport-https curl
sudo curl -fsSLo /usr/share/keyrings/brave-browser-archive-keyring.gpg https://brave-browser-apt-release.s3.brave.com/brave-browser-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg arch=amd64] https://brave-browser-apt-release.s3.brave.com/ stable main"|sudo tee /etc/apt/sources.list.d/brave-browser-release.list
sudo apt update
sudo apt install brave-browser

242
ked/ncurses/main.c
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@ -3,8 +3,144 @@
**/
#include <ncurses.h>
//#include <string>
int main(int argc, char** argv)
{
int i, xBeg, yBeg, std_xMax, std_yMax = 0;
int choices, highlight = 0;
char* menu_items[3]={"Menu1", "menu2", "Menu3"};
// start of ncurses
initscr();
noecho();
cbreak();
getmaxyx(stdscr, std_yMax, std_xMax);
WINDOW * menu_win = newwin(6,std_xMax-5,std_yMax-8,5);
keypad(menu_win, true); // so that we can use the arrow keys
box(menu_win,0,0);
refresh();
wrefresh(menu_win);
while(1)
{
for(i = 0; i<3; i++)
{
if(i==highlight)
{
wattron(menu_win, A_REVERSE);
}
mvwprintw(menu_win, i+1, 1,menu_items[i]);
wattroff(menu_win, A_REVERSE);
}
choices = wgetch(menu_win);
switch(choices)
{
case KEY_UP:
highlight --;
if(highlight == -1)
highlight = 0;
break;
case KEY_DOWN:
highlight ++;
if(highlight == 3)
highlight = 2;
break;
default:
break;
}
if(choices == 10)// 10 = enter in asci
{
break;
}
}
printw("your choice was : %s", menu_items[highlight]);
getch();
endwin();
}
int tutorial_0_1() // Hello Word and user input
{
int c,y,x = 0;
y=10;
x=10;
//Init sequence. to set up the screen and init the memory usage
initscr(); // inits the screen and sets up the screen
move(y,x);// Moving to the given coordinates
printw("Hello World!");
//Refeshes the screen to match what is in the memory
refresh();
// Gets the user input
c = getch();
// Clreasthe screen
clear();
move(0,0);
printw("You pressed %d", c);
// Gets the user input before quiting
getch();
// Delocates memory and ends ncurses
endwin();
return 0;
}
int tutorial_2() // create a box and write into it
{
// VAriable declarations
int height, width, start_y, start_x = 0;
height = 10;
width = 30;
start_y = 10;
start_x = 10;
//Init sequence. to set up the screen and init the memory usage
initscr(); // inits the screen and sets up the screen
// Creating a window
WINDOW * win= newwin(height,width,start_y, start_x);
//This refresh will initialize the base screen.
refresh();
// Making a box out of the window
box(win,0,0);
// this will print on 0,0 coordinate of rhtis window
wprintw(win,"this is an new window");
//and this refresh will only refresh the created window
wrefresh(win);
//this will moove inside of the window an print to tth given coordinate
mvwprintw(win,5,5,"Content of the box");
//and this refresh will only refresh the created window
wrefresh(win);
// Gets the user input before quiting
getch();
// Delocates memory and ends ncurses
endwin();
return 0;
}
int tuttorial_3 () // Customize the windows/boxes
{
// Variable declarations
int height, width, start_y, start_x = 0;
@ -72,30 +208,30 @@ int main(int argc, char** argv)
return 0;
}
int tutorial_0_1() // Hello Word and user input
int tuttorial_4() // Ncurses Tutorial 4 - Attributes and Colors (attron, attroff, has_colors, start_color, init_pair)
{
int c,y,x = 0;
y=10;
x=10;
//Init sequence. to set up the screen and init the memory usage
initscr(); // inits the screen and sets up the screen
move(y,x);// Moving to the given coordinates
printw("Hello World!");
//Refeshes the screen to match what is in the memory
refresh();
// To use the standart linux bash commanc lije ctrl-c ctrl-x and so on : Is active as default
cbreak();
// Gets the user input
c = getch();
// Doesn't show the pressed char in the scrren
noecho();
// Clreasthe screen
clear();
if(!has_colors())
{
printw("Terminal has no colorsupport");
getch();
return -1;
}
start_color();
init_pair(1, COLOR_BLUE, COLOR_RED);
init_pair(2, COLOR_BLUE, COLOR_YELLOW);
move(0,0);
printw("You pressed %d", c);
attron(COLOR_PAIR(2));
printw("Hello wold");
attroff(COLOR_PAIR(2));
// Gets the user input before quiting
getch();
@ -105,42 +241,60 @@ int tutorial_0_1() // Hello Word and user input
return 0;
}
int tutorial_2() // create a box and write into it
int tuttorial_5() // Get position
{
// VAriable declarations
int height, width, start_y, start_x = 0;
height = 10;
width = 30;
start_y = 10;
start_x = 10;
int x, y, xBeg, yBeg, xMax, yMax = 0;
// start of ncurses
initscr();
noecho();
cbreak();
//Init sequence. to set up the screen and init the memory usage
initscr(); // inits the screen and sets up the screen
WINDOW * win = newwin(10,20,10,10);
getyx(stdscr, y, x);
getbegyx(win, yBeg, xBeg);
getmaxyx(stdscr, yMax, xMax);
// Creating a window
WINDOW * win= newwin(height,width,start_y, start_x);
//This refresh will initialize the base screen.
refresh();
printw("x:%d y:%d xBeg:%d yBeg:%d xMax:%d yMax:%d",x,y,xBeg,yBeg,xMax,yMax);
mvprintw(yMax/2, xMax/2, "Hello from the middle");
// Making a box out of the window
box(win,0,0);
getch();
endwin();
// this will print on 0,0 coordinate of rhtis window
wprintw(win,"this is an new window");
return 0;
}
//and this refresh will only refresh the created window
wrefresh(win);
int tutorial_6() // user inputs
{
int c, x, y, xBeg, yBeg, xMax, yMax = 0;
// start of ncurses
initscr();
noecho();
cbreak();
//this will moove inside of the window an print to tth given coordinate
mvwprintw(win,5,5,"Content of the box");
getmaxyx(stdscr, yMax, xMax);
getyx(stdscr, y, x);
//and this refresh will only refresh the created window
wrefresh(win);
WINDOW * input_win = newwin(3,xMax-12,yMax-5,5);
// Gets the user input before quiting
box(input_win,0,0);
keypad(input_win, true);
refresh();
wrefresh(input_win);
c = wgetch(input_win);
if(c == 'j')
{
mvwprintw(input_win,1,1,"you have pressed j! now press the up arrow key");
wrefresh(input_win);
}
c = wgetch(input_win);
if(c == KEY_UP)
{
mvwprintw(input_win,1,1," ");
wrefresh(input_win);
mvwprintw(input_win,1,1,"you have pressed key up");
wrefresh(input_win);
}
getch();
// Delocates memory and ends ncurses
endwin();
return 0;
}

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