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file preview infrastructure & implementation of preview of text files

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nova
2025-06-15 15:58:49 +02:00
parent bc2bc8fce0
commit f42429de89
2 changed files with 50 additions and 22 deletions
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14
window.c
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@ -1,5 +1,6 @@
#include <curses.h>
#include <pthread.h>
#include <unistd.h>
#include "defines.h"
extern unsigned int status;
@ -12,6 +13,7 @@ extern file *mid_content;
extern file *lft_content;
extern file *rgt_content;
extern char *top_content;
extern char *rgt_buffer;
extern unsigned long lft_file_count;
extern unsigned long mid_file_count;
@ -31,6 +33,7 @@ void window_top(WINDOW *win){
if (pthread_mutex_trylock(&mutex_top)) {
wprintw(win,"loading");
status |= STATUS_UPDATE_SCREEN_0;
pthread_mutex_unlock(&mutex_rgt);
} else {
wattron(win, COLOR_PAIR(COLOR_PATH));
@ -42,6 +45,7 @@ void window_top(WINDOW *win){
void window_btm(WINDOW *win){
werase(win);
if (pthread_mutex_trylock(&mutex_btm)) {
pthread_mutex_unlock(&mutex_rgt);
} else {
pthread_mutex_unlock(&mutex_btm);
}
@ -56,6 +60,7 @@ void window_lft(WINDOW *win){
if (pthread_mutex_trylock(&mutex_lft)) {
mvwprintw(win, local_height/2, local_width/2, "LOADING");
status |= STATUS_UPDATE_SCREEN_0;
pthread_mutex_unlock(&mutex_rgt);
} else {
print_dir(win, &lft_file_count, lft_content);
@ -72,6 +77,7 @@ void window_mid(WINDOW *win){
if (pthread_mutex_trylock(&mutex_mid)) {
mvwprintw(win, local_height/2, local_width/2, "LOADING");
status |= STATUS_UPDATE_SCREEN_0;
pthread_mutex_unlock(&mutex_rgt);
} else {
print_dir(win, &mid_file_count, mid_content);
@ -86,10 +92,16 @@ void window_rgt(WINDOW *win){
unsigned long local_height;
getmaxyx(win, local_height, local_width);
if (pthread_mutex_trylock(&mutex_rgt)) {
/* TODO(2025-06-13T00:49:26) fix race condition and use trylock */
mvwprintw(win, local_height/2, local_width/2, "LOADING");
status |= STATUS_UPDATE_SCREEN_0;
pthread_mutex_unlock(&mutex_rgt);
} else {
print_dir(win, &rgt_file_count, rgt_content);
if (rgt_content[0].file_type == FILE_TYPE_OPEN_FILE) {
mvwprintw(win, 0, 0, "%s", rgt_buffer);
} else {
print_dir(win, &rgt_file_count, rgt_content);
}
pthread_mutex_unlock(&mutex_rgt);
}
}