diff options
Diffstat (limited to 'mate-screenshot/src/screenshot-dialog.c')
| -rw-r--r-- | mate-screenshot/src/screenshot-dialog.c | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/mate-screenshot/src/screenshot-dialog.c b/mate-screenshot/src/screenshot-dialog.c new file mode 100644 index 00000000..7c5fae6d --- /dev/null +++ b/mate-screenshot/src/screenshot-dialog.c @@ -0,0 +1,422 @@ +/* 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., 51 Franklin St, Fifth Floor, + */ + +#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_KEY_F1) + { + gtk_dialog_response (GTK_DIALOG (widget), GTK_RESPONSE_HELP); + return TRUE; + } + + return FALSE; +} + +static void +#if GTK_CHECK_VERSION (3, 0, 0) +on_preview_draw (GtkWidget *drawing_area, cairo_t *cr, gpointer data) +#else +on_preview_expose_event (GtkWidget *drawing_area, GdkEventExpose *event, gpointer data) +#endif +{ + ScreenshotDialog *dialog = data; + GdkPixbuf *pixbuf = NULL; + gboolean free_pixbuf = FALSE; +#if !GTK_CHECK_VERSION (3, 0, 0) + cairo_t *cr; +#endif + + /* 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 (gtk_widget_get_style (drawing_area), + 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); + } + +#if !GTK_CHECK_VERSION (3, 0, 0) + cr = gdk_cairo_create (gtk_widget_get_window (drawing_area)); + gdk_cairo_region (cr, event->region); + cairo_clip (cr); +#endif + + gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0); + cairo_paint (cr); + +#if !GTK_CHECK_VERSION (3, 0, 0) + cairo_destroy (cr); +#endif + + 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); + g_strfreev (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; + GError *error = NULL; + 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", &error); + dialog->screenshot = screenshot; + + if (res == 0) + { + GtkWidget *dialog; + dialog = gtk_message_dialog_new (NULL, 0, + GTK_MESSAGE_ERROR, + GTK_BUTTONS_OK, + _("Error loading UI definition file for the screenshot program: \n%s\n\n" + "Please check your installation of mate-utils."), error->message); + gtk_dialog_run (GTK_DIALOG (dialog)); + gtk_widget_destroy (dialog); + + g_error_free (error); + 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); +#if GTK_CHECK_VERSION (3, 0, 0) + g_signal_connect (preview_darea, "draw", G_CALLBACK (on_preview_draw), dialog); +#else + g_signal_connect (preview_darea, "expose_event", G_CALLBACK (on_preview_expose_event), dialog); +#endif + 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_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_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 (gtk_widget_get_window (toplevel), cursor); +#if GTK_CHECK_VERSION (3, 0, 0) + g_object_unref (cursor); +#else + gdk_cursor_unref (cursor); +#endif + } + else + { + gdk_window_set_cursor (gtk_widget_get_window (toplevel), NULL); + } + + gtk_widget_set_sensitive (toplevel, ! busy); + + gdk_flush (); +} |