Help for designing outlines in c language

[Manmeet Mittal]

Hi all this is Manmeet Mittal,

 

[Walter Roberson]

The C language itself only provides for text, and not graphics.
If you were thinking of graphical menus (e.g., pop-up or drop-down
menus) then you need operating system dependant extensions and you should
ask about those in a newsgroup appropriate for your operating system.

Even if you were just thinking about text-only menus and borders,
you cannot portably do what you want in standard C, as C does not
have any notion of "screen" or font or how characters show up on displays.
C also does not have any notion of where things are on whatever
output device is being used, so you cannot portably position particular
information at particular locations.

 

[Dann Corbit]

In the C language, there is no GUI defined.

DDJ had a character based interface a while ago:
http://www.ddj.com/showArticle.jhtml;jsessionid=HR1IETNYZCCKGQSNDLOSKH0CJUNN2JVN?articleID=184408752

Probably, if you want something good looking and portable, you should look
into a tool like wxWidgets:
http://www.wxwidgets.org/

 

[Simon Biber]

Hi all this is Manmeet Mittal,
I want to create menus and borders in c. How can make it. What r its codings.

#include <stdio.h>

int main(void)
{
int choice = 0;
while(choice != 4)
{
puts(
"|------------------------|\n"
"| MAIN MENU |\n"
"|------------------------|\n"
"| 1. Add |\n"
"| 2. Subtract |\n"
"| 3. Multiply |\n"
"| 4. Quit |\n"
"|------------------------|\n");
scanf("%d", &choice);
switch(choice)
{
case 1: puts("Adding"); break;
case 2: puts("Subtracting"); break;
case 3: puts("Multiplying"); break;
case 4: break;
default: puts("Invalid choice");
}
}
return 0;
}

 

[Walter Roberson]

Manmeet Mittal wrote:

puts(
"|------------------------|\n"
"| MAIN MENU |\n"
"|------------------------|\n"
"| 1. Add |\n"
"| 2. Subtract |\n"
"| 3. Multiply |\n"
"| 4. Quit |\n"
"|------------------------|\n");

That assumes a fixed width font, which is not a portable assumption.

It also assumes that the display is at least 26 wide by 8 high,
which is also not portable.

 

[Skarmander]

That assumes a fixed width font, which is not a portable assumption.

It also assumes that the display is at least 26 wide by 8 high,
which is also not portable.

Heck, it assumes *a* display, which is not portable. There's no way to do
"menus and borders" in the way the OP presumably intends in portable C, so
it hardly matters.

S.

 

[Skarmander]

There's no way to do "menus and borders" in the way the OP presumably
intends in portable C, so it hardly matters.

Necessary correction: there's no way to do it in portable *standard* C.
Portability is, of course, a matter of degree.

S.

 

[Keith Thompson]

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[Simon Biber]

That assumes a fixed width font, which is not a portable assumption.

It also assumes that the display is at least 26 wide by 8 high,
which is also not portable.

With a proportional font it will still work, but just look weird.

What hosted C environment has a display less than 26x8 characters?

My program will also work on teletype printer terminals -- it does not
require a display.

 

[Walter Roberson]

With a proportional font it will still work, but just look weird.

With a proportional font, it is unlikely to fullfill the requirement
of having a "border". For example in the font 'ariel', the trailing
bar of several lines align with the end fof the U of the word
MENU .

What hosted C environment has a display less than 26x8 characters?

Windows on PalmOS might well be that small.

My program will also work on teletype printer terminals -- it does not
require a display.

teletypes sometimes have proportional fonts.

 

[Herbert Rosenau]

I've never seen a TTY that had not a fixed font.

No, it works on classic TTY.

Proven on DEC Eclipse about 20 years ago. That was the method the game
startec had woked.

Heck, it assumes *a* display, which is not portable.

No, except you'll say that a TTY is a screen.

There's no way to do

"menus and borders" in the way the OP presumably intends in portable C, so
it hardly matters.

Not true as old classic gaemes written for TTYs and green color
monitors have already proven.

--
Tschau/Bye
Herbert

Visit http://www.ecomstation.de the home of german eComStation
eComStation 1.2 Deutsch ist da!

 

[Herbert Rosenau]

With a proportional font it will still work, but just look weird.

What hosted C environment has a display less than 26x8 characters?

What lets you think that each hosted environment has a need for such
displays? I've seen man whereas the display is only one single line
LCD display, having a console with keyboard and TTY like printer.

My program will also work on teletype printer terminals -- it does not
require a display.

--
Tschau/Bye
Herbert

Visit http://www.ecomstation.de the home of german eComStation
eComStation 1.2 Deutsch ist da!