59 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include <stdio.h>
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| #include <string.h>
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| #include <linux/kernel.h>
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| 
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| #include "gtk.h"
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| #include "../ui.h"
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| #include "../helpline.h"
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| 
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| static void gtk_helpline_pop(void)
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| {
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| 	if (!perf_gtk__is_active_context(pgctx))
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| 		return;
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| 
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| 	gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar),
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| 			  pgctx->statbar_ctx_id);
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| }
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| 
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| static void gtk_helpline_push(const char *msg)
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| {
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| 	if (!perf_gtk__is_active_context(pgctx))
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| 		return;
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| 
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| 	gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar),
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| 			   pgctx->statbar_ctx_id, msg);
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| }
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| 
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| static int gtk_helpline_show(const char *fmt, va_list ap)
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| {
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| 	int ret;
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| 	char *ptr;
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| 	static int backlog;
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| 
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| 	ret = vscnprintf(ui_helpline__current + backlog,
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| 			 sizeof(ui_helpline__current) - backlog, fmt, ap);
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| 	backlog += ret;
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| 
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| 	/* only first line can be displayed */
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| 	ptr = strchr(ui_helpline__current, '\n');
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| 	if (ptr && (ptr - ui_helpline__current) <= backlog) {
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| 		*ptr = '\0';
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| 		ui_helpline__puts(ui_helpline__current);
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| 		backlog = 0;
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| 	}
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| 
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| 	return ret;
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| }
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| 
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| static struct ui_helpline gtk_helpline_fns = {
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| 	.pop	= gtk_helpline_pop,
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| 	.push	= gtk_helpline_push,
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| 	.show	= gtk_helpline_show,
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| };
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| 
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| void perf_gtk__init_helpline(void)
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| {
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| 	helpline_fns = >k_helpline_fns;
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| }
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