/* screenshot-dialog.c - main GNOME Screenshot dialog
*
* Copyright (C) 2001-2006 Jonathan Blandford <jrb@alum.mit.edu>
*
* 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., 51 Franklin Street, Fifth Floor,
*/
#include "config.h"
#include "screenshot-config.h"
#include "screenshot-dialog.h"
#include "screenshot-utils.h"
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <string.h>
#include <stdlib.h>
enum {
TYPE_IMAGE_PNG,
LAST_TYPE
};
static GtkTargetEntry drag_types[] =
{
{ "image/png", 0, TYPE_IMAGE_PNG },
};
static void
on_preview_draw (GtkWidget *drawing_area,
cairo_t *cr,
gpointer data)
{
ScreenshotDialog *dialog = data;
GtkStyleContext *context;
int width, height;
width = gtk_widget_get_allocated_width (drawing_area);
height = gtk_widget_get_allocated_height (drawing_area);
if (!dialog->preview_image ||
gdk_pixbuf_get_width (dialog->preview_image) != width ||
gdk_pixbuf_get_height (dialog->preview_image) != height)
{
g_clear_object (&dialog->preview_image);
dialog->preview_image = gdk_pixbuf_scale_simple (dialog->screenshot,
width,
height,
GDK_INTERP_BILINEAR);
}
context = gtk_widget_get_style_context (drawing_area);
gtk_style_context_save (context);
gtk_style_context_set_state (context, gtk_widget_get_state_flags (drawing_area));
gtk_render_icon (context, cr, dialog->preview_image, 0, 0);
gtk_style_context_restore (context);
}
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
drag_data_get (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time,
ScreenshotDialog *dialog)
{
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);
}
static gboolean
dialog_key_press_cb (GtkWidget *widget,
GdkEventKey *event,
gpointer user_data)
{
if (event->keyval == GDK_KEY_F1)
{
screenshot_display_help (GTK_WINDOW (widget));
return TRUE;
}
if (event->keyval == GDK_KEY_Escape)
{
gtk_widget_destroy (widget);
return TRUE;
}
return FALSE;
}
static void
button_clicked (GtkWidget *button, ScreenshotDialog *dialog)
{
ScreenshotResponse res;
if (button == dialog->save_button)
res = SCREENSHOT_RESPONSE_SAVE;
else if (button == dialog->copy_button)
res = SCREENSHOT_RESPONSE_COPY;
else
res = SCREENSHOT_RESPONSE_BACK;
dialog->callback (res, dialog->user_data);
}
static void
setup_drawing_area (ScreenshotDialog *dialog, GtkBuilder *ui)
{
GtkWidget *preview_darea;
GtkWidget *aspect_frame;
gint width, height, scale_factor;
aspect_frame = GTK_WIDGET (gtk_builder_get_object (ui, "aspect_frame"));
preview_darea = GTK_WIDGET (gtk_builder_get_object (ui, "preview_darea"));
width = gdk_pixbuf_get_width (dialog->screenshot);
height = gdk_pixbuf_get_height (dialog->screenshot);
scale_factor = gtk_widget_get_scale_factor (dialog->dialog);
width /= 5 * scale_factor;
height /= 5 * scale_factor;
gtk_widget_set_size_request (preview_darea, width, height);
gtk_aspect_frame_set (GTK_ASPECT_FRAME (aspect_frame), 0.0, 0.5,
(gfloat) width / (gfloat) height,
FALSE);
if (screenshot_config->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);
g_signal_connect (preview_darea, "draw", G_CALLBACK (on_preview_draw), 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);
/* setup dnd */
gtk_drag_source_set (preview_darea,
GDK_BUTTON1_MASK | GDK_BUTTON3_MASK,
drag_types, G_N_ELEMENTS (drag_types),
GDK_ACTION_COPY);
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);
}
ScreenshotDialog *
screenshot_dialog_new (GdkPixbuf *screenshot,
char *initial_uri,
SaveScreenshotCallback f,
gpointer user_data)
{
ScreenshotDialog *dialog;
GtkBuilder *ui;
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->screenshot = screenshot;
dialog->callback = f;
dialog->user_data = user_data;
ui = gtk_builder_new ();
res = gtk_builder_add_from_resource (ui, "/org/gnome/screenshot/screenshot-dialog.ui", NULL);
g_assert (res != 0);
dialog->dialog = GTK_WIDGET (gtk_builder_get_object (ui, "toplevel"));
gtk_window_set_application (GTK_WINDOW (dialog->dialog), GTK_APPLICATION (g_application_get_default ()));
gtk_widget_realize (dialog->dialog);
g_signal_connect (dialog->dialog, "key-press-event",
G_CALLBACK (dialog_key_press_cb),
NULL);
dialog->filename_entry = GTK_WIDGET (gtk_builder_get_object (ui, "filename_entry"));
dialog->save_widget = GTK_WIDGET (gtk_builder_get_object (ui, "save_widget"));
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);
dialog->save_button = GTK_WIDGET (gtk_builder_get_object (ui, "save_button"));
g_signal_connect (dialog->save_button, "clicked", G_CALLBACK (button_clicked), dialog);
dialog->copy_button = GTK_WIDGET (gtk_builder_get_object (ui, "copy_button"));
g_signal_connect (dialog->copy_button, "clicked", G_CALLBACK (button_clicked), dialog);
dialog->back_button = GTK_WIDGET (gtk_builder_get_object (ui, "back_button"));
g_signal_connect (dialog->back_button, "clicked", G_CALLBACK (button_clicked), dialog);
setup_drawing_area (dialog, ui);
gtk_widget_show_all (dialog->dialog);
/* 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_widget_grab_focus (dialog->filename_entry);
gtk_editable_select_region (GTK_EDITABLE (dialog->filename_entry),
0,
pos);
g_free (current_name);
g_free (current_folder);
g_object_unref (ui);
return dialog;
}
char *
screenshot_dialog_get_uri (ScreenshotDialog *dialog)
{
gchar *folder, *file;
gchar *uri;
gchar *tmp;
folder = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog->save_widget));
tmp = screenshot_dialog_get_filename (dialog);
file = g_uri_escape_string (tmp, NULL, FALSE);
g_free (tmp);
uri = g_build_filename (folder, file, NULL);
g_free (folder);
g_free (file);
return uri;
}
char *
screenshot_dialog_get_folder (ScreenshotDialog *dialog)
{
return gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog->save_widget));
}
char *
screenshot_dialog_get_filename (ScreenshotDialog *dialog)
{
const gchar *file_name;
gchar *tmp;
GError *error;
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"));
}
return tmp;
}
void
screenshot_dialog_set_busy (ScreenshotDialog *dialog,
gboolean busy)
{
GdkWindow *window;
window = gtk_widget_get_window (dialog->dialog);
if (busy)
{
GdkCursor *cursor;
/* Change cursor to busy */
cursor = gdk_cursor_new (GDK_WATCH);
gdk_window_set_cursor (window, cursor);
g_object_unref (cursor);
}
else
{
gdk_window_set_cursor (window, NULL);
}
gtk_widget_set_sensitive (dialog->dialog, ! busy);
gdk_flush ();
}