kernel/tools/perf/ui/gtk/util.c

   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 };