559 lines
17 KiB
C
559 lines
17 KiB
C
//
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// fiv-context-menu.c: popup menu
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//
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// Copyright (c) 2021 - 2022, Přemysl Eric Janouch <p@janouch.name>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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#include "config.h"
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#include "fiv-collection.h"
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#include "fiv-context-menu.h"
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G_DEFINE_QUARK(fiv-context-menu-cancellable-quark, fiv_context_menu_cancellable)
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static GtkWidget *
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info_start_group(GtkWidget *vbox, const char *group)
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{
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GtkWidget *label = gtk_label_new(group);
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gtk_widget_set_hexpand(label, TRUE);
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gtk_widget_set_halign(label, GTK_ALIGN_FILL);
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PangoAttrList *attrs = pango_attr_list_new();
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pango_attr_list_insert(attrs, pango_attr_weight_new(PANGO_WEIGHT_BOLD));
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gtk_label_set_attributes(GTK_LABEL(label), attrs);
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pango_attr_list_unref(attrs);
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GtkWidget *grid = gtk_grid_new();
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GtkWidget *expander = gtk_expander_new(NULL);
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gtk_expander_set_label_widget(GTK_EXPANDER(expander), label);
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gtk_expander_set_expanded(GTK_EXPANDER(expander), TRUE);
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gtk_container_add(GTK_CONTAINER(expander), grid);
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gtk_grid_set_column_spacing(GTK_GRID(grid), 10);
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gtk_box_pack_start(GTK_BOX(vbox), expander, FALSE, FALSE, 0);
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return grid;
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}
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static GtkWidget *
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info_parse(char *tsv)
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{
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GtkSizeGroup *sg = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
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GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10);
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const char *last_group = NULL;
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GtkWidget *grid = NULL;
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int line = 1, row = 0;
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for (char *nl; (nl = strchr(tsv, '\n')); line++, tsv = ++nl) {
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*nl = 0;
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if (nl > tsv && nl[-1] == '\r')
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nl[-1] = 0;
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char *group = tsv, *tag = strchr(group, '\t');
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if (!tag) {
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g_warning("ExifTool parse error on line %d", line);
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continue;
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}
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*tag++ = 0;
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for (char *p = group; *p; p++)
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if (*p == '_')
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*p = ' ';
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char *value = strchr(tag, '\t');
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if (!value) {
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g_warning("ExifTool parse error on line %d", line);
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continue;
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}
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*value++ = 0;
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if (!last_group || strcmp(last_group, group)) {
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grid = info_start_group(vbox, (last_group = group));
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row = 0;
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}
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GtkWidget *a = gtk_label_new(tag);
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gtk_size_group_add_widget(sg, a);
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gtk_label_set_selectable(GTK_LABEL(a), TRUE);
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gtk_label_set_xalign(GTK_LABEL(a), 0.);
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gtk_grid_attach(GTK_GRID(grid), a, 0, row, 1, 1);
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GtkWidget *b = gtk_label_new(value);
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gtk_label_set_selectable(GTK_LABEL(b), TRUE);
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gtk_label_set_xalign(GTK_LABEL(b), 0.);
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gtk_label_set_line_wrap(GTK_LABEL(b), TRUE);
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gtk_widget_set_hexpand(b, TRUE);
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gtk_grid_attach(GTK_GRID(grid), b, 1, row, 1, 1);
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row++;
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}
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g_object_unref(sg);
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return vbox;
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}
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static GtkWidget *
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info_make_bar(const char *message)
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{
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GtkWidget *info = gtk_info_bar_new();
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gtk_info_bar_set_message_type(GTK_INFO_BAR(info), GTK_MESSAGE_WARNING);
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GtkWidget *info_area = gtk_info_bar_get_content_area(GTK_INFO_BAR(info));
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// When the label is made selectable, Escape doesn't work when it has focus.
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gtk_container_add(GTK_CONTAINER(info_area), gtk_label_new(message));
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return info;
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}
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static void
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info_redirect_error(gpointer dialog, GError *error)
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{
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// The dialog has been closed and destroyed.
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if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) {
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g_error_free(error);
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return;
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}
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GtkContainer *content_area =
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GTK_CONTAINER(gtk_dialog_get_content_area(GTK_DIALOG(dialog)));
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gtk_container_foreach(content_area, (GtkCallback) gtk_widget_destroy, NULL);
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gtk_container_add(content_area, info_make_bar(error->message));
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if (g_error_matches(error, G_SPAWN_ERROR, G_SPAWN_ERROR_NOENT)) {
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gtk_box_pack_start(GTK_BOX(content_area),
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gtk_label_new("Please install ExifTool."), TRUE, FALSE, 12);
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}
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g_error_free(error);
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gtk_widget_show_all(GTK_WIDGET(dialog));
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}
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static gchar *
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bytes_to_utf8(GBytes *bytes)
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{
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gsize length = 0;
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gconstpointer data = g_bytes_get_data(bytes, &length);
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gchar *utf8 = data ? g_utf8_make_valid(data, length) : g_strdup("");
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g_bytes_unref(bytes);
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return utf8;
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}
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static void
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on_info_finished(GObject *source_object, GAsyncResult *res, gpointer user_data)
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{
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GError *error = NULL;
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GBytes *bytes_out = NULL, *bytes_err = NULL;
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if (!g_subprocess_communicate_finish(
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G_SUBPROCESS(source_object), res, &bytes_out, &bytes_err, &error)) {
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info_redirect_error(user_data, error);
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return;
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}
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gchar *out = bytes_to_utf8(bytes_out);
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gchar *err = bytes_to_utf8(bytes_err);
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GtkWidget *dialog = GTK_WIDGET(user_data);
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GtkWidget *content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
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gtk_container_foreach(
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GTK_CONTAINER(content_area), (GtkCallback) gtk_widget_destroy, NULL);
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GtkWidget *scroller = gtk_scrolled_window_new(NULL, NULL);
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gtk_box_pack_start(GTK_BOX(content_area), scroller, TRUE, TRUE, 0);
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GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
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gtk_container_add(GTK_CONTAINER(scroller), vbox);
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if (*err)
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gtk_container_add(GTK_CONTAINER(vbox), info_make_bar(g_strstrip(err)));
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GtkWidget *info = info_parse(out);
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gtk_style_context_add_class(
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gtk_widget_get_style_context(info), "fiv-information");
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gtk_box_pack_start(GTK_BOX(vbox), info, TRUE, TRUE, 0);
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g_free(out);
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g_free(err);
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gtk_widget_show_all(dialog);
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gtk_widget_grab_focus(scroller);
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}
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static void
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info_spawn(GtkWidget *dialog, const char *path, GBytes *bytes_in)
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{
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int flags = G_SUBPROCESS_FLAGS_STDOUT_PIPE | G_SUBPROCESS_FLAGS_STDERR_PIPE;
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if (bytes_in)
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flags |= G_SUBPROCESS_FLAGS_STDIN_PIPE;
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// TODO(p): Add a fallback to internal capabilities.
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// The simplest is to specify the filename and the resolution.
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GError *error = NULL;
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GSubprocess *subprocess = g_subprocess_new(flags, &error,
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#ifdef G_OS_WIN32
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"wperl",
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#endif
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"exiftool", "-tab", "-groupNames", "-duplicates", "-extractEmbedded",
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"--binary", "-quiet", "--", path, NULL);
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if (error) {
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info_redirect_error(dialog, error);
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return;
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}
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GCancellable *cancellable = g_object_get_qdata(
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G_OBJECT(dialog), fiv_context_menu_cancellable_quark());
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g_subprocess_communicate_async(
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subprocess, bytes_in, cancellable, on_info_finished, dialog);
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g_object_unref(subprocess);
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}
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static void
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on_info_loaded(GObject *source_object, GAsyncResult *res, gpointer user_data)
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{
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gchar *file_data = NULL;
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gsize file_len = 0;
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GError *error = NULL;
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if (!g_file_load_contents_finish(
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G_FILE(source_object), res, &file_data, &file_len, NULL, &error)) {
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info_redirect_error(user_data, error);
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return;
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}
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GtkWidget *dialog = GTK_WIDGET(user_data);
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GBytes *bytes_in = g_bytes_new_take(file_data, file_len);
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info_spawn(dialog, "-", bytes_in);
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g_bytes_unref(bytes_in);
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}
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static void
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on_info_queried(GObject *source_object, GAsyncResult *res, gpointer user_data)
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{
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GFile *file = G_FILE(source_object);
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GError *error = NULL;
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GFileInfo *info = g_file_query_info_finish(file, res, &error);
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gboolean cancelled =
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error && g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
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g_clear_error(&error);
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if (cancelled)
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return;
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gchar *path = NULL;
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const char *target_uri = g_file_info_get_attribute_string(
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info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI);
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if (target_uri) {
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GFile *target = g_file_new_for_uri(target_uri);
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path = g_file_get_path(target);
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g_object_unref(target);
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}
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g_object_unref(info);
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GtkWidget *dialog = GTK_WIDGET(user_data);
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GCancellable *cancellable = g_object_get_qdata(
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G_OBJECT(dialog), fiv_context_menu_cancellable_quark());
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if (path) {
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info_spawn(dialog, path, NULL);
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g_free(path);
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} else {
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g_file_load_contents_async(file, cancellable, on_info_loaded, dialog);
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}
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}
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void
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fiv_context_menu_information(GtkWindow *parent, const char *uri)
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{
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GtkWidget *dialog = gtk_widget_new(GTK_TYPE_DIALOG,
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"use-header-bar", TRUE,
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"title", "Information",
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"transient-for", parent,
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"destroy-with-parent", TRUE, NULL);
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// When the window closes, we cancel all asynchronous calls.
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GCancellable *cancellable = g_cancellable_new();
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g_object_set_qdata_full(G_OBJECT(dialog),
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fiv_context_menu_cancellable_quark(), cancellable, g_object_unref);
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g_signal_connect_swapped(
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dialog, "destroy", G_CALLBACK(g_cancellable_cancel), cancellable);
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GtkWidget *spinner = gtk_spinner_new();
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gtk_spinner_start(GTK_SPINNER(spinner));
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gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))),
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spinner, TRUE, TRUE, 12);
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gtk_window_set_default_size(GTK_WINDOW(dialog), 600, 800);
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gtk_widget_show_all(dialog);
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// Mostly to identify URIs with no local path--we pipe these into ExifTool.
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GFile *file = g_file_new_for_uri(uri);
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gchar *parse_name = g_file_get_parse_name(file);
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gtk_header_bar_set_subtitle(
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GTK_HEADER_BAR(gtk_dialog_get_header_bar(GTK_DIALOG(dialog))),
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parse_name);
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g_free(parse_name);
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gchar *path = g_file_get_path(file);
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if (path) {
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info_spawn(dialog, path, NULL);
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g_free(path);
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} else {
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// Several GVfs schemes contain pseudo-symlinks
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// that don't give out filesystem paths directly.
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g_file_query_info_async(file, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI,
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G_FILE_QUERY_INFO_NONE, G_PRIORITY_DEFAULT, cancellable,
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on_info_queried, dialog);
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}
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g_object_unref(file);
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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typedef struct _OpenContext {
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GWeakRef window; ///< Parent window for any dialogs
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GFile *file; ///< The file in question
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gchar *content_type;
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GAppInfo *app_info;
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} OpenContext;
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static void
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open_context_finalize(gpointer data)
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{
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OpenContext *self = data;
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g_weak_ref_clear(&self->window);
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g_clear_object(&self->app_info);
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g_clear_object(&self->file);
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g_free(self->content_type);
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}
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static void
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open_context_unref(gpointer data, G_GNUC_UNUSED GClosure *closure)
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{
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g_rc_box_release_full(data, open_context_finalize);
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}
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static void
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open_context_show_error_dialog(OpenContext *self, GError *error)
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{
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GtkWindow *window = g_weak_ref_get(&self->window);
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GtkWidget *dialog =
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gtk_message_dialog_new(GTK_WINDOW(window), GTK_DIALOG_MODAL,
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GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", error->message);
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gtk_dialog_run(GTK_DIALOG(dialog));
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gtk_widget_destroy(dialog);
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g_clear_object(&window);
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g_error_free(error);
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}
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static void
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open_context_launch(GtkWidget *widget, OpenContext *self)
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{
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GdkAppLaunchContext *context =
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gdk_display_get_app_launch_context(gtk_widget_get_display(widget));
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gdk_app_launch_context_set_screen(context, gtk_widget_get_screen(widget));
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gdk_app_launch_context_set_timestamp(context, gtk_get_current_event_time());
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GList *files = g_list_append(NULL, self->file);
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GError *error = NULL;
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if (g_app_info_launch(
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self->app_info, files, G_APP_LAUNCH_CONTEXT(context), &error)) {
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(void) g_app_info_set_as_last_used_for_type(
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self->app_info, self->content_type, NULL);
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} else {
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open_context_show_error_dialog(self, error);
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}
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g_list_free(files);
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g_object_unref(context);
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}
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static void
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append_opener(GtkWidget *menu, GAppInfo *opener, const OpenContext *template)
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{
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OpenContext *ctx = g_rc_box_alloc0(sizeof *ctx);
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g_weak_ref_init(&ctx->window, NULL);
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ctx->file = g_object_ref(template->file);
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ctx->content_type = g_strdup(template->content_type);
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ctx->app_info = opener;
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// On Linux, this prefers the obsoleted X-GNOME-FullName.
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gchar *name =
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g_strdup_printf("Open With %s", g_app_info_get_display_name(opener));
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// It's documented that we can touch the child, if we want to use markup.
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#if 0
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GtkWidget *item = gtk_menu_item_new_with_label(name);
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#else
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// GtkImageMenuItem overrides the toggle_size_request class method
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// to get the image shown in the "margin"--too much work to duplicate.
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
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GtkWidget *item = gtk_image_menu_item_new_with_label(name);
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GIcon *icon = g_app_info_get_icon(opener);
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if (icon) {
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GtkWidget *image = gtk_image_new_from_gicon(icon, GTK_ICON_SIZE_MENU);
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gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item), image);
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gtk_image_menu_item_set_always_show_image(
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GTK_IMAGE_MENU_ITEM(item), TRUE);
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}
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G_GNUC_END_IGNORE_DEPRECATIONS;
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#endif
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g_free(name);
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g_signal_connect_data(item, "activate", G_CALLBACK(open_context_launch),
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ctx, open_context_unref, 0);
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gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
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}
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static void
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on_chooser_activate(GtkMenuItem *item, gpointer user_data)
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{
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OpenContext *ctx = user_data;
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GtkWindow *window = g_weak_ref_get(&ctx->window);
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GtkWidget *dialog = gtk_app_chooser_dialog_new_for_content_type(window,
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GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL, ctx->content_type);
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g_clear_object(&window);
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#if 0
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// This exists as a concept in mimeapps.list, but GNOME infuriatingly
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// infers it from the last used application if missing.
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gtk_app_chooser_widget_set_show_default(
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GTK_APP_CHOOSER_WIDGET(gtk_app_chooser_dialog_get_widget(
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GTK_APP_CHOOSER_DIALOG(dialog))), TRUE);
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#endif
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if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK) {
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ctx->app_info = gtk_app_chooser_get_app_info(GTK_APP_CHOOSER(dialog));
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open_context_launch(GTK_WIDGET(item), ctx);
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}
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gtk_widget_destroy(dialog);
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}
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static void
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on_info_activate(G_GNUC_UNUSED GtkMenuItem *item, gpointer user_data)
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{
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OpenContext *ctx = user_data;
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GtkWindow *window = g_weak_ref_get(&ctx->window);
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gchar *uri = g_file_get_uri(ctx->file);
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fiv_context_menu_information(window, uri);
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g_clear_object(&window);
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g_free(uri);
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}
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static void
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on_trash_activate(G_GNUC_UNUSED GtkMenuItem *item, gpointer user_data)
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{
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// TODO(p): Use g_file_trash_async(), for which we need a task manager.
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OpenContext *ctx = user_data;
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GError *error = NULL;
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if (!g_file_trash(ctx->file, NULL, &error))
|
|
open_context_show_error_dialog(ctx, error);
|
|
}
|
|
|
|
static gboolean
|
|
destroy_widget_idle_source_func(GtkWidget *widget)
|
|
{
|
|
// The whole menu is deactivated /before/ any item is activated,
|
|
// and a destroyed child item will not activate.
|
|
gtk_widget_destroy(widget);
|
|
return FALSE;
|
|
}
|
|
|
|
GtkMenu *
|
|
fiv_context_menu_new(GtkWidget *widget, GFile *file)
|
|
{
|
|
GFileInfo *info = g_file_query_info(file,
|
|
G_FILE_ATTRIBUTE_STANDARD_TYPE
|
|
"," G_FILE_ATTRIBUTE_STANDARD_NAME
|
|
"," G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE
|
|
"," G_FILE_ATTRIBUTE_STANDARD_TARGET_URI,
|
|
G_FILE_QUERY_INFO_NONE, NULL, NULL);
|
|
if (!info)
|
|
return NULL;
|
|
|
|
GtkWindow *window = NULL;
|
|
if (widget && GTK_IS_WINDOW((widget = gtk_widget_get_toplevel(widget))))
|
|
window = GTK_WINDOW(widget);
|
|
|
|
// This will have no application pre-assigned, for use with GTK+'s dialog.
|
|
OpenContext *ctx = g_rc_box_alloc0(sizeof *ctx);
|
|
g_weak_ref_init(&ctx->window, window);
|
|
if (!(ctx->content_type = g_strdup(g_file_info_get_content_type(info))))
|
|
ctx->content_type = g_content_type_guess(NULL, NULL, 0, NULL);
|
|
|
|
GFileType type = g_file_info_get_file_type(info);
|
|
const char *target_uri = g_file_info_get_attribute_string(
|
|
info, G_FILE_ATTRIBUTE_STANDARD_TARGET_URI);
|
|
ctx->file = target_uri && g_file_has_uri_scheme(file, FIV_COLLECTION_SCHEME)
|
|
? g_file_new_for_uri(target_uri)
|
|
: g_object_ref(file);
|
|
g_object_unref(info);
|
|
|
|
GAppInfo *default_ =
|
|
g_app_info_get_default_for_type(ctx->content_type, FALSE);
|
|
GList *recommended = g_app_info_get_recommended_for_type(ctx->content_type);
|
|
GList *fallback = g_app_info_get_fallback_for_type(ctx->content_type);
|
|
|
|
GtkWidget *menu = gtk_menu_new();
|
|
if (default_) {
|
|
append_opener(menu, default_, ctx);
|
|
gtk_menu_shell_append(
|
|
GTK_MENU_SHELL(menu), gtk_separator_menu_item_new());
|
|
}
|
|
|
|
for (GList *iter = recommended; iter; iter = iter->next) {
|
|
if (!default_ || !g_app_info_equal(iter->data, default_))
|
|
append_opener(menu, iter->data, ctx);
|
|
else
|
|
g_object_unref(iter->data);
|
|
}
|
|
if (recommended) {
|
|
g_list_free(recommended);
|
|
gtk_menu_shell_append(
|
|
GTK_MENU_SHELL(menu), gtk_separator_menu_item_new());
|
|
}
|
|
|
|
for (GList *iter = fallback; iter; iter = iter->next) {
|
|
if (!default_ || !g_app_info_equal(iter->data, default_))
|
|
append_opener(menu, iter->data, ctx);
|
|
else
|
|
g_object_unref(iter->data);
|
|
}
|
|
if (fallback) {
|
|
g_list_free(fallback);
|
|
gtk_menu_shell_append(
|
|
GTK_MENU_SHELL(menu), gtk_separator_menu_item_new());
|
|
}
|
|
|
|
GtkWidget *item = gtk_menu_item_new_with_label("Open With...");
|
|
g_signal_connect_data(item, "activate", G_CALLBACK(on_chooser_activate),
|
|
ctx, open_context_unref, 0);
|
|
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
|
|
|
|
// TODO(p): Can we avoid using the "trash" string constant for this check?
|
|
if (!g_file_has_uri_scheme(file, "trash")) {
|
|
gtk_menu_shell_append(
|
|
GTK_MENU_SHELL(menu), gtk_separator_menu_item_new());
|
|
|
|
item = gtk_menu_item_new_with_mnemonic("Move to _Trash");
|
|
g_signal_connect_data(item, "activate", G_CALLBACK(on_trash_activate),
|
|
g_rc_box_acquire(ctx), open_context_unref, 0);
|
|
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
|
|
}
|
|
if (type == G_FILE_TYPE_REGULAR) {
|
|
gtk_menu_shell_append(
|
|
GTK_MENU_SHELL(menu), gtk_separator_menu_item_new());
|
|
|
|
item = gtk_menu_item_new_with_mnemonic("_Information");
|
|
g_signal_connect_data(item, "activate", G_CALLBACK(on_info_activate),
|
|
g_rc_box_acquire(ctx), open_context_unref, 0);
|
|
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
|
|
}
|
|
|
|
// As per GTK+ 3 Common Questions, 1.5.
|
|
g_object_ref_sink(menu);
|
|
g_signal_connect_swapped(menu, "deactivate",
|
|
G_CALLBACK(g_idle_add), destroy_widget_idle_source_func);
|
|
g_signal_connect(menu, "destroy", G_CALLBACK(g_object_unref), NULL);
|
|
|
|
gtk_widget_show_all(menu);
|
|
return GTK_MENU(menu);
|
|
}
|