1// SPDX-License-Identifier: GPL-2.0
2#include "../util.h"
3#include "gtk.h"
4
5#include <stdlib.h>
6#include <string.h>
7#include <linux/zalloc.h>
8
9struct perf_gtk_context *pgctx;
10
11struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window)
12{
13	struct perf_gtk_context *ctx;
14
15	ctx = malloc(sizeof(*pgctx));
16	if (ctx)
17		ctx->main_window = window;
18
19	return ctx;
20}
21
22int perf_gtk__deactivate_context(struct perf_gtk_context **ctx)
23{
24	if (!perf_gtk__is_active_context(*ctx))
25		return -1;
26
27	zfree(ctx);
28	return 0;
29}
30
31static int perf_gtk__error(const char *format, va_list args)
32{
33	char *msg;
34	GtkWidget *dialog;
35
36	if (!perf_gtk__is_active_context(pgctx) ||
37	    vasprintf(&msg, format, args) < 0) {
38		fprintf(stderr, "Error:\n");
39		vfprintf(stderr, format, args);
40		fprintf(stderr, "\n");
41		return -1;
42	}
43
44	dialog = gtk_message_dialog_new_with_markup(GTK_WINDOW(pgctx->main_window),
45					GTK_DIALOG_DESTROY_WITH_PARENT,
46					GTK_MESSAGE_ERROR,
47					GTK_BUTTONS_CLOSE,
48					"<b>Error</b>\n\n%s", msg);
49	gtk_dialog_run(GTK_DIALOG(dialog));
50
51	gtk_widget_destroy(dialog);
52	free(msg);
53	return 0;
54}
55
56#ifdef HAVE_GTK_INFO_BAR_SUPPORT
57static int perf_gtk__warning_info_bar(const char *format, va_list args)
58{
59	char *msg;
60
61	if (!perf_gtk__is_active_context(pgctx) ||
62	    vasprintf(&msg, format, args) < 0) {
63		fprintf(stderr, "Warning:\n");
64		vfprintf(stderr, format, args);
65		fprintf(stderr, "\n");
66		return -1;
67	}
68
69	gtk_label_set_text(GTK_LABEL(pgctx->message_label), msg);
70	gtk_info_bar_set_message_type(GTK_INFO_BAR(pgctx->info_bar),
71				      GTK_MESSAGE_WARNING);
72	gtk_widget_show(pgctx->info_bar);
73
74	free(msg);
75	return 0;
76}
77#else
78static int perf_gtk__warning_statusbar(const char *format, va_list args)
79{
80	char *msg, *p;
81
82	if (!perf_gtk__is_active_context(pgctx) ||
83	    vasprintf(&msg, format, args) < 0) {
84		fprintf(stderr, "Warning:\n");
85		vfprintf(stderr, format, args);
86		fprintf(stderr, "\n");
87		return -1;
88	}
89
90	gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar),
91			  pgctx->statbar_ctx_id);
92
93	/* Only first line can be displayed */
94	p = strchr(msg, '\n');
95	if (p)
96		*p = '\0';
97
98	gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar),
99			   pgctx->statbar_ctx_id, msg);
100
101	free(msg);
102	return 0;
103}
104#endif
105
106struct perf_error_ops perf_gtk_eops = {
107	.error		= perf_gtk__error,
108#ifdef HAVE_GTK_INFO_BAR_SUPPORT
109	.warning	= perf_gtk__warning_info_bar,
110#else
111	.warning	= perf_gtk__warning_statusbar,
112#endif
113};
114