fiv/fiv-context-menu.c

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//
// fiv-context-menu.c: popup menu
//
// Copyright (c) 2021 - 2022, Přemysl Eric Janouch <p@janouch.name>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
#include "config.h"
#include "fiv-context-menu.h"
typedef struct _OpenContext {
GWeakRef widget;
GFile *file;
gchar *content_type;
GAppInfo *app_info;
} OpenContext;
static void
open_context_notify(gpointer data, G_GNUC_UNUSED GClosure *closure)
{
OpenContext *self = data;
g_weak_ref_clear(&self->widget);
g_clear_object(&self->app_info);
g_clear_object(&self->file);
g_free(self->content_type);
g_free(self);
}
static void
open_context_launch(GtkWidget *widget, OpenContext *self)
{
GdkAppLaunchContext *context =
gdk_display_get_app_launch_context(gtk_widget_get_display(widget));
gdk_app_launch_context_set_screen(context, gtk_widget_get_screen(widget));
gdk_app_launch_context_set_timestamp(context, gtk_get_current_event_time());
// TODO(p): Display errors.
GList *files = g_list_append(NULL, self->file);
if (g_app_info_launch(
self->app_info, files, G_APP_LAUNCH_CONTEXT(context), NULL)) {
g_app_info_set_as_last_used_for_type(
self->app_info, self->content_type, NULL);
}
g_list_free(files);
g_object_unref(context);
}
static void
append_opener(GtkWidget *menu, GAppInfo *opener, const OpenContext *template)
{
OpenContext *ctx = g_malloc0(sizeof *ctx);
g_weak_ref_init(&ctx->widget, NULL);
ctx->file = g_object_ref(template->file);
ctx->content_type = g_strdup(template->content_type);
ctx->app_info = opener;
// On Linux, this prefers the obsoleted X-GNOME-FullName.
gchar *name =
g_strdup_printf("Open With %s", g_app_info_get_display_name(opener));
// It's documented that we can touch the child, if we want to use markup.
#if 0
GtkWidget *item = gtk_menu_item_new_with_label(name);
#else
// GtkImageMenuItem overrides the toggle_size_request class method
// to get the image shown in the "margin"--too much work to duplicate.
G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
GtkWidget *item = gtk_image_menu_item_new_with_label(name);
GIcon *icon = g_app_info_get_icon(opener);
if (icon) {
GtkWidget *image = gtk_image_new_from_gicon(icon, GTK_ICON_SIZE_MENU);
gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item), image);
gtk_image_menu_item_set_always_show_image(
GTK_IMAGE_MENU_ITEM(item), TRUE);
}
G_GNUC_END_IGNORE_DEPRECATIONS;
#endif
g_free(name);
g_signal_connect_data(item, "activate", G_CALLBACK(open_context_launch),
ctx, open_context_notify, 0);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
}
static void
on_chooser_activate(GtkMenuItem *item, gpointer user_data)
{
OpenContext *ctx = user_data;
GtkWindow *window = NULL;
GtkWidget *widget = g_weak_ref_get(&ctx->widget);
if (widget) {
if (GTK_IS_WINDOW((widget = gtk_widget_get_toplevel(widget))))
window = GTK_WINDOW(widget);
}
GtkWidget *dialog = gtk_app_chooser_dialog_new_for_content_type(window,
GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL, ctx->content_type);
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK) {
ctx->app_info = gtk_app_chooser_get_app_info(GTK_APP_CHOOSER(dialog));
open_context_launch(GTK_WIDGET(item), ctx);
}
gtk_widget_destroy(dialog);
}
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_NAME
"," G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
G_FILE_QUERY_INFO_NONE, NULL, NULL);
if (!info)
return NULL;
// This will have no application pre-assigned, for use with GTK+'s dialog.
OpenContext *ctx = g_malloc0(sizeof *ctx);
g_weak_ref_init(&ctx->widget, widget);
ctx->file = g_object_ref(file);
ctx->content_type = g_strdup(g_file_info_get_content_type(info));
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_notify, 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);
}