LXR linux/tools/perf/ui/gtk/util.c

   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