Sometimes we need to know when the progress bar should disappear. Checking curr >= total wasn't enough since there're cases not met that condition for the last call. So add a new ->finish callback to identify this explicitly. Currently only GTK frontend needs it. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1352813436-14173-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
		
			
				
	
	
		
			59 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
	
		
			1.5 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
#include <inttypes.h>
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#include "gtk.h"
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#include "../progress.h"
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#include "util.h"
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static GtkWidget *dialog;
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static GtkWidget *progress;
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static void gtk_progress_update(u64 curr, u64 total, const char *title)
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{
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	double fraction = total ? 1.0 * curr / total : 0.0;
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	char buf[1024];
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	if (dialog == NULL) {
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		GtkWidget *vbox = gtk_vbox_new(TRUE, 5);
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		GtkWidget *label = gtk_label_new(title);
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		dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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		progress = gtk_progress_bar_new();
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		gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, FALSE, 3);
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		gtk_box_pack_start(GTK_BOX(vbox), progress, TRUE, TRUE, 3);
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		gtk_container_add(GTK_CONTAINER(dialog), vbox);
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		gtk_window_set_title(GTK_WINDOW(dialog), "perf");
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		gtk_window_resize(GTK_WINDOW(dialog), 300, 80);
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		gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
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		gtk_widget_show_all(dialog);
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	}
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	gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction);
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	snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, curr, total);
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	gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), buf);
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	/* we didn't call gtk_main yet, so do it manually */
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	while (gtk_events_pending())
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		gtk_main_iteration();
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}
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static void gtk_progress_finish(void)
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{
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	/* this will also destroy all of its children */
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	gtk_widget_destroy(dialog);
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	dialog = NULL;
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}
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static struct ui_progress gtk_progress_fns = {
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	.update		= gtk_progress_update,
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	.finish		= gtk_progress_finish,
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};
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void perf_gtk__init_progress(void)
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{
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	progress_fns = >k_progress_fns;
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}
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