Moved from Mate-Extra repository

1 files changed, 402 insertions, 0 deletions

diff --git a/mate-screenshot/screenshot-dialog.c b/mate-screenshot/screenshot-dialog.c
new file mode 100644
index 00000000..f7527bfc
--- /dev/null
+++ b/mate-screenshot/screenshot-dialog.c
@@ -0,0 +1,402 @@
+/* screenshot-dialog.c - main MATE Screenshot dialog
+ *
+ * Copyright (C) 2001-2006  Jonathan Blandford <[email protected]>
+ *
+ * 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 2 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ */
+
+#include <config.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "screenshot-dialog.h"
+#include "screenshot-save.h"
+#include <gdk/gdkkeysyms.h>
+#include <glib/gi18n.h>
+#include <gio/gio.h>
+
+enum {
+  TYPE_IMAGE_PNG,
+  TYPE_TEXT_URI_LIST,
+  
+  LAST_TYPE
+};
+
+static GtkTargetEntry drag_types[] =
+{
+  { "image/png", 0, TYPE_IMAGE_PNG },
+  { "text/uri-list", 0, TYPE_TEXT_URI_LIST },
+};
+
+struct ScreenshotDialog
+{
+  GtkBuilder *ui;
+  GdkPixbuf *screenshot;
+  GdkPixbuf *preview_image;
+  GtkWidget *save_widget;
+  GtkWidget *filename_entry;
+  gint drag_x;
+  gint drag_y;
+};
+
+static gboolean
+on_toplevel_key_press_event (GtkWidget *widget,
+			     GdkEventKey *key)
+{
+  if (key->keyval == GDK_F1)
+    {
+      gtk_dialog_response (GTK_DIALOG (widget), GTK_RESPONSE_HELP);
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static void
+on_preview_expose_event (GtkWidget      *drawing_area,
+			 GdkEventExpose *event,
+			 gpointer        data)
+{
+  ScreenshotDialog *dialog = data;
+  GdkPixbuf *pixbuf = NULL;
+  gboolean free_pixbuf = FALSE;
+  cairo_t *cr;
+
+  /* Stolen from GtkImage.  I really should just make the drawing area an
+   * image some day */
+  if (gtk_widget_get_state (drawing_area) != GTK_STATE_NORMAL)
+    {
+      GtkIconSource *source;
+
+      source = gtk_icon_source_new ();
+      gtk_icon_source_set_pixbuf (source, dialog->preview_image);
+      gtk_icon_source_set_size (source, GTK_ICON_SIZE_SMALL_TOOLBAR);
+      gtk_icon_source_set_size_wildcarded (source, FALSE);
+                  
+      pixbuf = gtk_style_render_icon (drawing_area->style,
+				      source,
+				      gtk_widget_get_direction (drawing_area),
+				      gtk_widget_get_state (drawing_area),
+				      (GtkIconSize) -1,
+				      drawing_area,
+				      "gtk-image");
+      free_pixbuf = TRUE;
+      gtk_icon_source_free (source);
+    }
+  else
+    {
+      pixbuf = g_object_ref (dialog->preview_image);
+    }
+  
+  cr = gdk_cairo_create (drawing_area->window);
+  gdk_cairo_region (cr, event->region);
+  cairo_clip (cr);
+
+  gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
+  cairo_paint (cr);
+
+  cairo_destroy (cr);
+
+  g_object_unref (pixbuf);
+}
+
+static gboolean
+on_preview_button_press_event (GtkWidget      *drawing_area,
+			       GdkEventButton *event,
+			       gpointer        data)
+{
+  ScreenshotDialog *dialog = data;
+
+  dialog->drag_x = (int) event->x;
+  dialog->drag_y = (int) event->y;
+
+  return FALSE;
+}
+
+static gboolean
+on_preview_button_release_event (GtkWidget      *drawing_area,
+				 GdkEventButton *event,
+				 gpointer        data)
+{
+  ScreenshotDialog *dialog = data;
+
+  dialog->drag_x = 0;
+  dialog->drag_y = 0;
+
+  return FALSE;
+}
+
+static void
+on_preview_configure_event (GtkWidget         *drawing_area,
+			    GdkEventConfigure *event,
+			    gpointer           data)
+{
+  ScreenshotDialog *dialog = data;
+
+  if (dialog->preview_image)
+    g_object_unref (G_OBJECT (dialog->preview_image));
+
+  dialog->preview_image = gdk_pixbuf_scale_simple (dialog->screenshot,
+						   event->width,
+						   event->height,
+						   GDK_INTERP_BILINEAR);
+}
+
+static void
+drag_data_get (GtkWidget          *widget,
+	       GdkDragContext     *context,
+	       GtkSelectionData   *selection_data,
+	       guint               info,
+	       guint               time,
+	       ScreenshotDialog   *dialog)
+{
+  if (info == TYPE_TEXT_URI_LIST)
+    {
+      gchar **uris;
+
+      uris = g_new (gchar *, 2);
+      uris[0] = g_strconcat ("file://",
+                             screenshot_save_get_filename (),
+                             NULL);
+      uris[1] = NULL;
+      
+      gtk_selection_data_set_uris (selection_data, uris);
+    }
+  else if (info == TYPE_IMAGE_PNG)
+    {
+      gtk_selection_data_set_pixbuf (selection_data, dialog->screenshot);
+    }
+  else
+    {
+      g_warning ("Unknown type %d", info);
+    }
+}
+
+static void
+drag_begin (GtkWidget        *widget,
+	    GdkDragContext   *context,
+	    ScreenshotDialog *dialog)
+{
+  gtk_drag_set_icon_pixbuf (context, dialog->preview_image,
+			    dialog->drag_x, dialog->drag_y);
+}
+
+
+ScreenshotDialog *
+screenshot_dialog_new (GdkPixbuf *screenshot,
+		       char      *initial_uri,
+		       gboolean   take_window_shot)
+{
+  ScreenshotDialog *dialog;
+  GtkWidget *toplevel;
+  GtkWidget *preview_darea;
+  GtkWidget *aspect_frame;
+  GtkWidget *file_chooser_box;
+  gint width, height;
+  char *current_folder;
+  char *current_name;
+  char *ext;
+  gint pos;
+  GFile *tmp_file;
+  GFile *parent_file;
+  guint res;
+
+  tmp_file = g_file_new_for_uri (initial_uri);
+  parent_file = g_file_get_parent (tmp_file);
+
+  current_name = g_file_get_basename (tmp_file);
+  current_folder = g_file_get_uri (parent_file);
+  g_object_unref (tmp_file);
+  g_object_unref (parent_file);
+
+  dialog = g_new0 (ScreenshotDialog, 1);
+
+  dialog-> ui = gtk_builder_new ();
+  res = gtk_builder_add_from_file (dialog->ui, UIDIR "/mate-screenshot.ui", NULL);
+  dialog->screenshot = screenshot;
+
+  if (res == 0)
+    {
+      GtkWidget *dialog;
+      dialog = gtk_message_dialog_new (NULL, 0,
+				       GTK_MESSAGE_ERROR,
+				       GTK_BUTTONS_OK,
+				       _("UI definition file for the screenshot program is missing.\n"
+					 "Please check your installation of mate-utils"));
+      gtk_dialog_run (GTK_DIALOG (dialog));
+      gtk_widget_destroy (dialog);
+      exit (1);
+    }
+
+  gtk_builder_set_translation_domain (dialog->ui, GETTEXT_PACKAGE);
+
+  width = gdk_pixbuf_get_width (screenshot);
+  height = gdk_pixbuf_get_height (screenshot);
+
+  width /= 5;
+  height /= 5;
+
+  toplevel = GTK_WIDGET (gtk_builder_get_object (dialog->ui, "toplevel"));
+  aspect_frame = GTK_WIDGET (gtk_builder_get_object (dialog->ui, "aspect_frame"));
+  preview_darea = GTK_WIDGET (gtk_builder_get_object (dialog->ui, "preview_darea"));
+  dialog->filename_entry = GTK_WIDGET (gtk_builder_get_object (dialog->ui, "filename_entry"));
+  file_chooser_box = GTK_WIDGET (gtk_builder_get_object (dialog->ui, "file_chooser_box"));
+
+  dialog->save_widget = gtk_file_chooser_button_new (_("Select a folder"), GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
+  gtk_file_chooser_set_local_only (GTK_FILE_CHOOSER (dialog->save_widget), FALSE);
+  gtk_file_chooser_set_current_folder_uri (GTK_FILE_CHOOSER (dialog->save_widget), current_folder);
+  gtk_entry_set_text (GTK_ENTRY (dialog->filename_entry), current_name);
+
+  gtk_box_pack_start (GTK_BOX (file_chooser_box), dialog->save_widget, TRUE, TRUE, 0);
+  g_free (current_folder);
+
+  gtk_widget_set_size_request (preview_darea, width, height);
+  gtk_aspect_frame_set (GTK_ASPECT_FRAME (aspect_frame), 0.0, 0.5,
+			gdk_pixbuf_get_width (screenshot)/
+			(gfloat) gdk_pixbuf_get_height (screenshot),
+			FALSE);
+  g_signal_connect (toplevel, "key_press_event", G_CALLBACK (on_toplevel_key_press_event), dialog);
+  g_signal_connect (preview_darea, "expose_event", G_CALLBACK (on_preview_expose_event), dialog);
+  g_signal_connect (preview_darea, "button_press_event", G_CALLBACK (on_preview_button_press_event), dialog);
+  g_signal_connect (preview_darea, "button_release_event", G_CALLBACK (on_preview_button_release_event), dialog);
+  g_signal_connect (preview_darea, "configure_event", G_CALLBACK (on_preview_configure_event), dialog);
+
+  if (take_window_shot)
+    gtk_frame_set_shadow_type (GTK_FRAME (aspect_frame), GTK_SHADOW_NONE);
+  else
+    gtk_frame_set_shadow_type (GTK_FRAME (aspect_frame), GTK_SHADOW_IN);
+
+  /* setup dnd */
+  g_signal_connect (G_OBJECT (preview_darea), "drag_begin",
+		    G_CALLBACK (drag_begin), dialog);
+  g_signal_connect (G_OBJECT (preview_darea), "drag_data_get",
+		    G_CALLBACK (drag_data_get), dialog);
+
+  gtk_widget_show_all (toplevel);
+
+  /* select the name of the file but leave out the extension if there's any;
+   * the dialog must be realized for select_region to work
+   */
+  ext = g_utf8_strrchr (current_name, -1, '.');
+  if (ext)
+    pos = g_utf8_strlen (current_name, -1) - g_utf8_strlen (ext, -1);
+  else
+    pos = -1;
+
+  gtk_editable_select_region (GTK_EDITABLE (dialog->filename_entry),
+			      0,
+			      pos);
+  
+  g_free (current_name);
+
+  return dialog;
+}
+
+void
+screenshot_dialog_focus_entry (ScreenshotDialog *dialog)
+{
+  gtk_widget_grab_focus (dialog->filename_entry);
+}
+
+void
+screenshot_dialog_enable_dnd (ScreenshotDialog *dialog)
+{
+  GtkWidget *preview_darea;
+
+  g_return_if_fail (dialog != NULL);
+
+  preview_darea = GTK_WIDGET (gtk_builder_get_object (dialog->ui, "preview_darea"));
+  gtk_drag_source_set (preview_darea,
+		       GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
+		       drag_types, G_N_ELEMENTS (drag_types),
+		       GDK_ACTION_COPY);
+}
+
+GtkWidget *
+screenshot_dialog_get_toplevel (ScreenshotDialog *dialog)
+{
+  return GTK_WIDGET (gtk_builder_get_object (dialog->ui, "toplevel"));
+}
+
+char *
+screenshot_dialog_get_uri (ScreenshotDialog *dialog)
+{
+  gchar *folder;
+  const gchar *file_name;
+  gchar *uri, *file, *tmp;
+  GError *error;
+
+  folder = gtk_file_chooser_get_current_folder_uri (GTK_FILE_CHOOSER (dialog->save_widget));
+  file_name = gtk_entry_get_text (GTK_ENTRY (dialog->filename_entry));
+
+  error = NULL;
+  tmp = g_filename_from_utf8 (file_name, -1, NULL, NULL, &error);
+  if (error)
+    {
+      g_warning ("Unable to convert `%s' to valid UTF-8: %s\n"
+                 "Falling back to default file.",
+                 file_name,
+                 error->message);
+      g_error_free (error);
+      tmp = g_strdup (_("Screenshot.png"));
+    }
+
+  file = g_uri_escape_string (tmp, NULL, FALSE);
+  uri = g_build_filename (folder, file, NULL);
+
+  g_free (folder);
+  g_free (tmp);
+  g_free (file);
+
+  return uri;
+}
+
+char *
+screenshot_dialog_get_folder (ScreenshotDialog *dialog)
+{
+  return gtk_file_chooser_get_current_folder_uri (GTK_FILE_CHOOSER (dialog->save_widget));
+}
+
+GdkPixbuf *
+screenshot_dialog_get_screenshot (ScreenshotDialog *dialog)
+{
+  return dialog->screenshot;
+}
+
+void
+screenshot_dialog_set_busy (ScreenshotDialog *dialog,
+			    gboolean          busy)
+{
+  GtkWidget *toplevel;
+
+  toplevel = screenshot_dialog_get_toplevel (dialog);
+
+  if (busy)
+    {
+      GdkCursor *cursor;
+      /* Change cursor to busy */
+      cursor = gdk_cursor_new (GDK_WATCH);
+      gdk_window_set_cursor (toplevel->window, cursor);
+      gdk_cursor_unref (cursor);
+    }
+  else
+    {
+      gdk_window_set_cursor (toplevel->window, NULL);
+    }
+
+  gtk_widget_set_sensitive (toplevel, ! busy);
+
+  gdk_flush ();
+}