xref: /linux/tools/perf/ui/gtk/util.c (revision 93df8a1ed6231727c5db94a80b1a6bd5ee67cec3)
1 #include "../util.h"
2 #include "../../util/debug.h"
3 #include "gtk.h"
4 
5 #include <string.h>
6 
7 
8 struct perf_gtk_context *pgctx;
9 
10 struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window)
11 {
12 	struct perf_gtk_context *ctx;
13 
14 	ctx = malloc(sizeof(*pgctx));
15 	if (ctx)
16 		ctx->main_window = window;
17 
18 	return ctx;
19 }
20 
21 int perf_gtk__deactivate_context(struct perf_gtk_context **ctx)
22 {
23 	if (!perf_gtk__is_active_context(*ctx))
24 		return -1;
25 
26 	zfree(ctx);
27 	return 0;
28 }
29 
30 static int perf_gtk__error(const char *format, va_list args)
31 {
32 	char *msg;
33 	GtkWidget *dialog;
34 
35 	if (!perf_gtk__is_active_context(pgctx) ||
36 	    vasprintf(&msg, format, args) < 0) {
37 		fprintf(stderr, "Error:\n");
38 		vfprintf(stderr, format, args);
39 		fprintf(stderr, "\n");
40 		return -1;
41 	}
42 
43 	dialog = gtk_message_dialog_new_with_markup(GTK_WINDOW(pgctx->main_window),
44 					GTK_DIALOG_DESTROY_WITH_PARENT,
45 					GTK_MESSAGE_ERROR,
46 					GTK_BUTTONS_CLOSE,
47 					"<b>Error</b>\n\n%s", msg);
48 	gtk_dialog_run(GTK_DIALOG(dialog));
49 
50 	gtk_widget_destroy(dialog);
51 	free(msg);
52 	return 0;
53 }
54 
55 #ifdef HAVE_GTK_INFO_BAR_SUPPORT
56 static int perf_gtk__warning_info_bar(const char *format, va_list args)
57 {
58 	char *msg;
59 
60 	if (!perf_gtk__is_active_context(pgctx) ||
61 	    vasprintf(&msg, format, args) < 0) {
62 		fprintf(stderr, "Warning:\n");
63 		vfprintf(stderr, format, args);
64 		fprintf(stderr, "\n");
65 		return -1;
66 	}
67 
68 	gtk_label_set_text(GTK_LABEL(pgctx->message_label), msg);
69 	gtk_info_bar_set_message_type(GTK_INFO_BAR(pgctx->info_bar),
70 				      GTK_MESSAGE_WARNING);
71 	gtk_widget_show(pgctx->info_bar);
72 
73 	free(msg);
74 	return 0;
75 }
76 #else
77 static int perf_gtk__warning_statusbar(const char *format, va_list args)
78 {
79 	char *msg, *p;
80 
81 	if (!perf_gtk__is_active_context(pgctx) ||
82 	    vasprintf(&msg, format, args) < 0) {
83 		fprintf(stderr, "Warning:\n");
84 		vfprintf(stderr, format, args);
85 		fprintf(stderr, "\n");
86 		return -1;
87 	}
88 
89 	gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar),
90 			  pgctx->statbar_ctx_id);
91 
92 	/* Only first line can be displayed */
93 	p = strchr(msg, '\n');
94 	if (p)
95 		*p = '\0';
96 
97 	gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar),
98 			   pgctx->statbar_ctx_id, msg);
99 
100 	free(msg);
101 	return 0;
102 }
103 #endif
104 
105 struct perf_error_ops perf_gtk_eops = {
106 	.error		= perf_gtk__error,
107 #ifdef HAVE_GTK_INFO_BAR_SUPPORT
108 	.warning	= perf_gtk__warning_info_bar,
109 #else
110 	.warning	= perf_gtk__warning_statusbar,
111 #endif
112 };
113