128 lines
		
	
	
	
		
			2.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			128 lines
		
	
	
	
		
			2.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #include "util/cache.h"
 | ||
|  | #include "util/debug.h"
 | ||
|  | #include "ui/browser.h"
 | ||
|  | #include "ui/ui.h"
 | ||
|  | #include "ui/util.h"
 | ||
|  | #include "ui/libslang.h"
 | ||
|  | #include "util/header.h"
 | ||
|  | #include "util/session.h"
 | ||
|  | 
 | ||
|  | static void ui_browser__argv_write(struct ui_browser *browser, | ||
|  | 				   void *entry, int row) | ||
|  | { | ||
|  | 	char **arg = entry; | ||
|  | 	char *str = *arg; | ||
|  | 	char empty[] = " "; | ||
|  | 	bool current_entry = ui_browser__is_current_entry(browser, row); | ||
|  | 	unsigned long offset = (unsigned long)browser->priv; | ||
|  | 
 | ||
|  | 	if (offset >= strlen(str)) | ||
|  | 		str = empty; | ||
|  | 	else | ||
|  | 		str = str + offset; | ||
|  | 
 | ||
|  | 	ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : | ||
|  | 						       HE_COLORSET_NORMAL); | ||
|  | 
 | ||
|  | 	slsmg_write_nstring(str, browser->width); | ||
|  | } | ||
|  | 
 | ||
|  | static int list_menu__run(struct ui_browser *menu) | ||
|  | { | ||
|  | 	int key; | ||
|  | 	unsigned long offset; | ||
|  | 	const char help[] = | ||
|  | 	"h/?/F1        Show this window\n" | ||
|  | 	"UP/DOWN/PGUP\n" | ||
|  | 	"PGDN/SPACE\n" | ||
|  | 	"LEFT/RIGHT    Navigate\n" | ||
|  | 	"q/ESC/CTRL+C  Exit browser"; | ||
|  | 
 | ||
|  | 	if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0) | ||
|  | 		return -1; | ||
|  | 
 | ||
|  | 	while (1) { | ||
|  | 		key = ui_browser__run(menu, 0); | ||
|  | 
 | ||
|  | 		switch (key) { | ||
|  | 		case K_RIGHT: | ||
|  | 			offset = (unsigned long)menu->priv; | ||
|  | 			offset += 10; | ||
|  | 			menu->priv = (void *)offset; | ||
|  | 			continue; | ||
|  | 		case K_LEFT: | ||
|  | 			offset = (unsigned long)menu->priv; | ||
|  | 			if (offset >= 10) | ||
|  | 				offset -= 10; | ||
|  | 			menu->priv = (void *)offset; | ||
|  | 			continue; | ||
|  | 		case K_F1: | ||
|  | 		case 'h': | ||
|  | 		case '?': | ||
|  | 			ui_browser__help_window(menu, help); | ||
|  | 			continue; | ||
|  | 		case K_ESC: | ||
|  | 		case 'q': | ||
|  | 		case CTRL('c'): | ||
|  | 			key = -1; | ||
|  | 			break; | ||
|  | 		default: | ||
|  | 			continue; | ||
|  | 		} | ||
|  | 
 | ||
|  | 		break; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	ui_browser__hide(menu); | ||
|  | 	return key; | ||
|  | } | ||
|  | 
 | ||
|  | static int ui__list_menu(int argc, char * const argv[]) | ||
|  | { | ||
|  | 	struct ui_browser menu = { | ||
|  | 		.entries    = (void *)argv, | ||
|  | 		.refresh    = ui_browser__argv_refresh, | ||
|  | 		.seek	    = ui_browser__argv_seek, | ||
|  | 		.write	    = ui_browser__argv_write, | ||
|  | 		.nr_entries = argc, | ||
|  | 	}; | ||
|  | 
 | ||
|  | 	return list_menu__run(&menu); | ||
|  | } | ||
|  | 
 | ||
|  | int tui__header_window(struct perf_session_env *env) | ||
|  | { | ||
|  | 	int i, argc = 0; | ||
|  | 	char **argv; | ||
|  | 	struct perf_session *session; | ||
|  | 	char *ptr, *pos; | ||
|  | 	size_t size; | ||
|  | 	FILE *fp = open_memstream(&ptr, &size); | ||
|  | 
 | ||
|  | 	session = container_of(env, struct perf_session, header.env); | ||
|  | 	perf_header__fprintf_info(session, fp, true); | ||
|  | 	fclose(fp); | ||
|  | 
 | ||
|  | 	for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++) | ||
|  | 		argc++; | ||
|  | 
 | ||
|  | 	argv = calloc(argc + 1, sizeof(*argv)); | ||
|  | 	if (argv == NULL) | ||
|  | 		goto out; | ||
|  | 
 | ||
|  | 	argv[0] = pos = ptr; | ||
|  | 	for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) { | ||
|  | 		*pos++ = '\0'; | ||
|  | 		argv[i] = pos; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	BUG_ON(i != argc + 1); | ||
|  | 
 | ||
|  | 	ui__list_menu(argc, argv); | ||
|  | 
 | ||
|  | out: | ||
|  | 	free(argv); | ||
|  | 	free(ptr); | ||
|  | 	return 0; | ||
|  | } |