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
   9 struct perf_gtk_context *pgctx;
  10
  11 struct 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
  22 int 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
  31 static 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
  57 static 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
  78 static 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
 106 struct 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 };