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-rw-r--r--mate-screenshot/screenshot-dialog.c402
1 files changed, 402 insertions, 0 deletions
diff --git a/mate-screenshot/screenshot-dialog.c b/mate-screenshot/screenshot-dialog.c
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+++ b/mate-screenshot/screenshot-dialog.c
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+/* 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 ();
+}