Adding upstream version 2.10.22.upstream/2.10.22upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 501 insertions, 0 deletions

diff --git a/app/gui/gui-message.c b/app/gui/gui-message.c
new file mode 100644
index 0000000..90e6314
--- /dev/null
+++ b/app/gui/gui-message.c
@@ -0,0 +1,501 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "gui-types.h"
+
+#include "config/gimpguiconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpprogress.h"
+
+#include "plug-in/gimpplugin.h"
+
+#include "widgets/gimpcriticaldialog.h"
+#include "widgets/gimpdialogfactory.h"
+#include "widgets/gimpdockable.h"
+#include "widgets/gimperrorconsole.h"
+#include "widgets/gimperrordialog.h"
+#include "widgets/gimpprogressdialog.h"
+#include "widgets/gimpsessioninfo.h"
+#include "widgets/gimpwidgets-utils.h"
+#include "widgets/gimpwindowstrategy.h"
+
+#include "about.h"
+
+#include "gui-message.h"
+
+#include "gimp-intl.h"
+
+
+#define MAX_TRACES 3
+#define MAX_ERRORS 10
+
+
+typedef struct
+{
+  Gimp                *gimp;
+  gchar               *domain;
+  gchar               *message;
+  gchar               *trace;
+  GObject             *handler;
+  GimpMessageSeverity  severity;
+} GimpLogMessageData;
+
+
+static gboolean  gui_message_idle           (gpointer             user_data);
+static gboolean  gui_message_error_console  (Gimp                *gimp,
+                                             GimpMessageSeverity  severity,
+                                             const gchar         *domain,
+                                             const gchar         *message);
+static gboolean  gui_message_error_dialog   (Gimp                *gimp,
+                                             GObject             *handler,
+                                             GimpMessageSeverity  severity,
+                                             const gchar         *domain,
+                                             const gchar         *message,
+                                             const gchar         *trace);
+static void      gui_message_console        (GimpMessageSeverity  severity,
+                                             const gchar         *domain,
+                                             const gchar         *message);
+static gchar *   gui_message_format         (GimpMessageSeverity  severity,
+                                             const gchar         *domain,
+                                             const gchar         *message);
+
+static GtkWidget * global_error_dialog      (void);
+static GtkWidget * global_critical_dialog   (void);
+
+static void        gui_message_reset_errors (GObject             *object,
+                                             gpointer             user_data);
+
+
+static GMutex mutex;
+static gint   n_traces = 0;
+static gint   n_errors = 0;
+
+
+void
+gui_message (Gimp                *gimp,
+             GObject             *handler,
+             GimpMessageSeverity  severity,
+             const gchar         *domain,
+             const gchar         *message)
+{
+  gchar    *trace     = NULL;
+  gboolean  gen_trace = FALSE;
+
+  switch (gimp->message_handler)
+    {
+    case GIMP_ERROR_CONSOLE:
+      if (gui_message_error_console (gimp, severity, domain, message))
+        return;
+
+      gimp->message_handler = GIMP_MESSAGE_BOX;
+      /*  fallthru  */
+
+    case GIMP_MESSAGE_BOX:
+      if (severity >= GIMP_MESSAGE_BUG_WARNING)
+        {
+          g_mutex_lock (&mutex);
+          /* Trace creation can be time consuming so don't block the
+           * mutex for too long and only increment and set a boolean
+           * here.
+           */
+          if (n_traces < MAX_TRACES)
+            {
+              gen_trace = TRUE;
+              n_traces++;
+            }
+          g_mutex_unlock (&mutex);
+        }
+
+      if (gen_trace)
+        {
+          /* We need to create the trace here because for multi-thread
+           * errors (i.e. non-GIMP ones), the backtrace after a idle
+           * function will simply be useless. It needs to happen in the
+           * buggy thread to be meaningful.
+           */
+          gimp_stack_trace_print (NULL, NULL, &trace);
+        }
+
+      if (g_strcmp0 (GIMP_ACRONYM, domain) != 0)
+        {
+          /* Handle non-GIMP messages in a multi-thread safe way,
+           * because we can't know for sure whether the log message may
+           * not have been called from a thread other than the main one.
+           */
+          GimpLogMessageData *data;
+
+          data = g_new0 (GimpLogMessageData, 1);
+          data->gimp     = gimp;
+          data->domain   = g_strdup (domain);
+          data->message  = g_strdup (message);
+          data->trace    = trace;
+          data->handler  = handler? g_object_ref (handler) : NULL;
+          data->severity = severity;
+
+          gdk_threads_add_idle_full (G_PRIORITY_DEFAULT_IDLE,
+                                     gui_message_idle,
+                                     data, g_free);
+          return;
+        }
+      if (gui_message_error_dialog (gimp, handler, severity,
+                                    domain, message, trace))
+        break;
+
+      gimp->message_handler = GIMP_CONSOLE;
+      /*  fallthru  */
+
+    case GIMP_CONSOLE:
+      gui_message_console (severity, domain, message);
+      break;
+    }
+  if (trace)
+    g_free (trace);
+}
+
+static gboolean
+gui_message_idle (gpointer user_data)
+{
+  GimpLogMessageData *data = (GimpLogMessageData *) user_data;
+
+  if (! gui_message_error_dialog (data->gimp,
+                                  data->handler,
+                                  data->severity,
+                                  data->domain,
+                                  data->message,
+                                  data->trace))
+    {
+      gui_message_console (data->severity,
+                           data->domain,
+                           data->message);
+    }
+  g_free (data->domain);
+  g_free (data->message);
+  if (data->trace)
+    g_free (data->trace);
+  if (data->handler)
+    g_object_unref (data->handler);
+
+  return FALSE;
+}
+
+static gboolean
+gui_message_error_console (Gimp                *gimp,
+                           GimpMessageSeverity  severity,
+                           const gchar         *domain,
+                           const gchar         *message)
+{
+  GtkWidget *dockable;
+
+  dockable = gimp_dialog_factory_find_widget (gimp_dialog_factory_get_singleton (),
+                                              "gimp-error-console");
+
+  /* avoid raising the error console for unhighlighted messages */
+  if (dockable)
+    {
+      GtkWidget *child = gtk_bin_get_child (GTK_BIN (dockable));
+
+      if (GIMP_ERROR_CONSOLE (child)->highlight[severity])
+        dockable = NULL;
+    }
+
+  if (! dockable)
+    {
+      GdkScreen *screen;
+      gint       monitor;
+
+      monitor = gimp_get_monitor_at_pointer (&screen);
+
+      dockable =
+        gimp_window_strategy_show_dockable_dialog (GIMP_WINDOW_STRATEGY (gimp_get_window_strategy (gimp)),
+                                                   gimp,
+                                                   gimp_dialog_factory_get_singleton (),
+                                                   screen, monitor,
+                                                   "gimp-error-console");
+    }
+
+  if (dockable)
+    {
+      GtkWidget *child = gtk_bin_get_child (GTK_BIN (dockable));
+
+      gimp_error_console_add (GIMP_ERROR_CONSOLE (child),
+                              severity, domain, message);
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static void
+progress_error_dialog_unset (GimpProgress *progress)
+{
+  g_object_set_data (G_OBJECT (progress), "gimp-error-dialog", NULL);
+}
+
+static GtkWidget *
+progress_error_dialog (GimpProgress *progress)
+{
+  GtkWidget *dialog;
+
+  g_return_val_if_fail (GIMP_IS_PROGRESS (progress), NULL);
+
+  dialog = g_object_get_data (G_OBJECT (progress), "gimp-error-dialog");
+
+  if (! dialog)
+    {
+      dialog = gimp_error_dialog_new (_("GIMP Message"));
+
+      g_object_set_data (G_OBJECT (progress), "gimp-error-dialog", dialog);
+
+      g_signal_connect_object (dialog, "destroy",
+                               G_CALLBACK (progress_error_dialog_unset),
+                               progress, G_CONNECT_SWAPPED);
+
+      if (GTK_IS_WIDGET (progress))
+        {
+          GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (progress));
+
+          if (GTK_IS_WINDOW (toplevel))
+            gtk_window_set_transient_for (GTK_WINDOW (dialog),
+                                          GTK_WINDOW (toplevel));
+        }
+      else
+        {
+          guint32 window_id = gimp_progress_get_window_id (progress);
+
+          if (window_id)
+            gimp_window_set_transient_for (GTK_WINDOW (dialog), window_id);
+        }
+    }
+
+  return dialog;
+}
+
+static gboolean
+gui_message_error_dialog (Gimp                *gimp,
+                          GObject             *handler,
+                          GimpMessageSeverity  severity,
+                          const gchar         *domain,
+                          const gchar         *message,
+                          const gchar         *trace)
+{
+  GtkWidget      *dialog;
+  GtkMessageType  type   = GTK_MESSAGE_ERROR;
+
+  switch (severity)
+    {
+    case GIMP_MESSAGE_INFO:
+      type = GTK_MESSAGE_INFO;
+      break;
+    case GIMP_MESSAGE_WARNING:
+      type = GTK_MESSAGE_WARNING;
+      break;
+    case GIMP_MESSAGE_ERROR:
+      type = GTK_MESSAGE_ERROR;
+      break;
+    case GIMP_MESSAGE_BUG_WARNING:
+    case GIMP_MESSAGE_BUG_CRITICAL:
+      type = GTK_MESSAGE_OTHER;
+      break;
+    }
+
+  if (severity >= GIMP_MESSAGE_BUG_WARNING)
+    {
+      /* Process differently programming errors.
+       * The reason is that we will generate traces, which will take
+       * significant place, and cannot be processed as a progress
+       * message or in the global dialog. It will require its own
+       * dedicated dialog which will encourage people to report the bug.
+       */
+      gboolean gui_error = FALSE;
+
+      g_mutex_lock (&mutex);
+      if (n_errors < MAX_ERRORS)
+        {
+          gui_error = TRUE;
+          n_errors++;
+        }
+      g_mutex_unlock (&mutex);
+
+      if (gui_error || trace)
+        {
+          gchar *text;
+
+          dialog = global_critical_dialog ();
+
+          text = gui_message_format (severity, domain, message);
+          gimp_critical_dialog_add (dialog, text, trace, FALSE, NULL, 0);
+
+          gtk_widget_show (dialog);
+
+          g_free (text);
+
+          return TRUE;
+        }
+      else
+        {
+          const gchar *reason = "Message";
+
+          gimp_enum_get_value (GIMP_TYPE_MESSAGE_SEVERITY, severity,
+                               NULL, NULL, &reason, NULL);
+
+          /* Since we overridden glib default's WARNING and CRITICAL
+           * handler, if we decide not to handle this error in the end,
+           * let's just print it in terminal in a similar fashion as
+           * glib's default handler (though without the fancy terminal
+           * colors right now).
+           */
+          g_printerr ("%s-%s: %s\n", domain, reason, message);
+
+          return TRUE;
+        }
+    }
+  else if (GIMP_IS_PROGRESS (handler))
+    {
+      /* If there's already an error dialog associated with this
+       * progress, then continue without trying gimp_progress_message().
+       */
+      if (! g_object_get_data (handler, "gimp-error-dialog") &&
+          gimp_progress_message (GIMP_PROGRESS (handler), gimp,
+                                 severity, domain, message))
+        {
+          return TRUE;
+        }
+    }
+  else if (GTK_IS_WIDGET (handler))
+    {
+      GtkWidget *parent = GTK_WIDGET (handler);
+
+      dialog =
+        gtk_message_dialog_new (GTK_WINDOW (gtk_widget_get_toplevel (parent)),
+                                GTK_DIALOG_DESTROY_WITH_PARENT,
+                                type, GTK_BUTTONS_OK,
+                                "%s", message);
+
+      g_signal_connect (dialog, "response",
+                        G_CALLBACK (gtk_widget_destroy),
+                        NULL);
+
+      gtk_widget_show (dialog);
+
+      return TRUE;
+    }
+
+  if (GIMP_IS_PROGRESS (handler) && ! GIMP_IS_PROGRESS_DIALOG (handler))
+    dialog = progress_error_dialog (GIMP_PROGRESS (handler));
+  else
+    dialog = global_error_dialog ();
+
+  if (dialog)
+    {
+      gimp_error_dialog_add (GIMP_ERROR_DIALOG (dialog),
+                             gimp_get_message_icon_name (severity),
+                             domain, message);
+      gtk_window_present (GTK_WINDOW (dialog));
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static void
+gui_message_console (GimpMessageSeverity  severity,
+                     const gchar         *domain,
+                     const gchar         *message)
+{
+  gchar *formatted_message;
+
+  formatted_message = gui_message_format (severity, domain, message);
+  g_printerr ("%s\n\n", formatted_message);
+  g_free (formatted_message);
+}
+
+static gchar *
+gui_message_format (GimpMessageSeverity  severity,
+                    const gchar         *domain,
+                    const gchar         *message)
+{
+  const gchar *desc = "Message";
+  gchar       *formatted_message;
+
+  gimp_enum_get_value (GIMP_TYPE_MESSAGE_SEVERITY, severity,
+                       NULL, NULL, &desc, NULL);
+
+  formatted_message = g_strdup_printf ("%s-%s: %s", domain, desc, message);
+
+  return formatted_message;
+}
+
+static GtkWidget *
+global_error_dialog (void)
+{
+  GdkScreen *screen;
+  gint       monitor;
+
+  monitor = gimp_get_monitor_at_pointer (&screen);
+
+  return gimp_dialog_factory_dialog_new (gimp_dialog_factory_get_singleton (),
+                                         screen, monitor,
+                                         NULL /*ui_manager*/,
+                                         "gimp-error-dialog", -1,
+                                         FALSE);
+}
+
+static GtkWidget *
+global_critical_dialog (void)
+{
+  GtkWidget *dialog;
+  GdkScreen *screen;
+  gint       monitor;
+
+  monitor = gimp_get_monitor_at_pointer (&screen);
+
+  dialog = gimp_dialog_factory_dialog_new (gimp_dialog_factory_get_singleton (),
+                                           screen, monitor,
+                                           NULL /*ui_manager*/,
+                                           "gimp-critical-dialog", -1,
+                                           FALSE);
+  g_signal_handlers_disconnect_by_func (dialog,
+                                        gui_message_reset_errors,
+                                        NULL);
+  g_signal_connect (dialog, "destroy",
+                    G_CALLBACK (gui_message_reset_errors),
+                    NULL);
+  return dialog;
+}
+
+static void
+gui_message_reset_errors (GObject  *object,
+                          gpointer  user_data)
+{
+  g_mutex_lock (&mutex);
+  n_errors = 0;
+  n_traces = 0;
+  g_mutex_unlock (&mutex);
+}