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installer: Center root line and help line.

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This commit is contained in:
Michael Tremer
2014-07-30 22:37:16 +02:00
parent 5315fae6b3
commit b83b8f7092
1 changed files with 50 additions and 2 deletions
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52
src/installer/main.c
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@@ -10,6 +10,7 @@
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mount.h>
@@ -176,9 +177,42 @@ int write_lang_configs(const char *lang) {
return 1;
}
static char* get_system_release() {
char system_release[STRING_SIZE] = "\0";
FILE* f = fopen("/etc/system-release", "r");
if (f) {
fgets(system_release, sizeof(system_release), f);
fclose(f);
}
return strdup(system_release);
}
static char* center_string(const char* str, int width) {
unsigned int str_len = strlen(str);
unsigned int indent_length = (width - str_len) / 2;
char indent[indent_length + 1];
for (unsigned int i = 0; i < indent_length; i++) {
indent[i] = ' ';
}
indent[indent_length] = '\0';
char* string = NULL;
if (asprintf(&string, "%s%s", indent, str) < 0)
return NULL;
return string;
}
int main(int argc, char *argv[]) {
struct hw* hw = hw_init();
// Read /etc/system-release
char* system_release = get_system_release();
char discl_msg[40000] = "Disclaimer\n";
char *langnames[] = { "Deutsch", "English", "Français", "Español", "Nederlands", "Polski", "Русский", "Türkçe", NULL };
@@ -218,7 +252,16 @@ int main(int argc, char *argv[]) {
newtInit();
newtCls();
newtDrawRootText(14, 0, NAME " " VERSION " - " SLOGAN );
// Determine the size of the screen
int screen_cols = 0;
int screen_rows = 0;
newtGetScreenSize(&screen_cols, &screen_rows);
// Draw title
char* roottext = center_string(system_release, screen_cols);
newtDrawRootText(0, 0, roottext);
sprintf (title, "%s %s - %s", NAME, VERSION, SLOGAN);
if (! (cmdfile = fopen("/proc/cmdline", "r")))
@@ -258,7 +301,8 @@ int main(int argc, char *argv[]) {
setlocale(LC_ALL, shortlangnames[choice]);
newtPushHelpLine(_("<Tab>/<Alt-Tab> between elements | <Space> selects | <F12> next screen"));
char* helpline = center_string(_("<Tab>/<Alt-Tab> between elements | <Space> selects | <F12> next screen"), screen_cols);
newtPushHelpLine(helpline);
if (!unattended) {
snprintf(message, sizeof(message),
@@ -607,6 +651,10 @@ EXIT:
newtFinished();
// Free resources
free(system_release);
free(roottext);
free(helpline);
free(sourcedrive);
if (destination) {