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bar-gps.cc
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/*
* Copyright (C) 2004 John Ellis
* Copyright (C) 2008 - 2016 The Geeqie Team
*
* Author: Colin Clark
*
* 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, Boston, MA 02110-1301 USA.
*/
#include "bar-gps.h"
#include <array>
#include <string>
#include <cairo.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
#include <champlain-gtk/champlain-gtk.h>
G_GNUC_END_IGNORE_DEPRECATIONS
#include <champlain/champlain.h>
#include <clutter-gtk/clutter-gtk.h>
#include <clutter/clutter.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk/gdk.h>
#include <glib-object.h>
#include <pango/pango.h>
#include <config.h>
#include "bar.h"
#include "compat.h"
#include "dnd.h"
#include "filedata.h"
#include "intl.h"
#include "layout.h"
#include "main-defines.h"
#include "metadata.h"
#include "misc.h"
#include "rcfile.h"
#include "thumb.h"
#include "typedefs.h"
#include "ui-menu.h"
#include "ui-utildlg.h"
#include "uri-utils.h"
namespace
{
G_DEFINE_AUTOPTR_CLEANUP_FUNC(ChamplainMapSource, g_object_unref)
constexpr gint THUMB_SIZE = 100;
constexpr int DIRECTION_SIZE = 300;
#define MARKER_COLOUR 0x00, 0x00, 0xff, 0xff
#define TEXT_COLOUR 0x00, 0x00, 0x00, 0xff
#define THUMB_COLOUR 0xff, 0xff, 0xff, 0xff
/*
*-------------------------------------------------------------------
* GPS Map utils
*-------------------------------------------------------------------
*/
struct PaneGPSData
{
PaneData pane;
GtkWidget *widget;
gchar *map_source;
gint height;
FileData *fd;
ClutterActor *gps_view;
ChamplainMarkerLayer *icon_layer;
GList *selection_list;
GList *not_added;
ChamplainBoundingBox *bbox;
guint num_added;
guint create_markers_id;
GtkWidget *progress;
GtkWidget *slider;
GtkWidget *state;
gint selection_count;
gboolean centre_map_checked;
gboolean enable_markers_checked;
gdouble dest_latitude;
gdouble dest_longitude;
GList *geocode_list;
};
/*
*-------------------------------------------------------------------
* drag-and-drop
*-------------------------------------------------------------------
*/
constexpr std::array<GtkTargetEntry, 2> bar_pane_gps_drop_types{{
{ const_cast<gchar *>("text/uri-list"), 0, TARGET_URI_LIST },
{ const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
}};
void bar_pane_gps_close_cancel_cb(GenericDialog *, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
g_list_free(pgd->geocode_list);
}
void bar_pane_gps_close_save_cb(GenericDialog *, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
FileData *fd;
GList *work;
work = g_list_first(pgd->geocode_list);
while (work)
{
fd = static_cast<FileData *>(work->data);
if (fd->name && !fd->parent)
{
work = work->next;
metadata_write_GPS_coord(fd, "Xmp.exif.GPSLatitude", pgd->dest_latitude);
metadata_write_GPS_coord(fd, "Xmp.exif.GPSLongitude", pgd->dest_longitude);
}
}
g_list_free(pgd->geocode_list);
}
void bar_pane_gps_dnd_receive(GtkWidget *pane, GdkDragContext *,
gint x, gint y,
GtkSelectionData *selection_data, guint info,
guint, gpointer)
{
PaneGPSData *pgd;
GenericDialog *gd;
FileData *fd;
FileData *fd_found;
GList *work;
GList *list;
gint count;
gint geocoded_count;
gdouble latitude;
gdouble longitude;
pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
if (!pgd) return;
if (info == TARGET_URI_LIST)
{
pgd->dest_longitude = champlain_view_x_to_longitude(CHAMPLAIN_VIEW(pgd->gps_view), x);
pgd->dest_latitude = champlain_view_y_to_latitude(CHAMPLAIN_VIEW(pgd->gps_view), y);
count = 0;
geocoded_count = 0;
pgd->geocode_list = nullptr;
list = uri_filelist_from_gtk_selection_data(selection_data);
if (list)
{
work = list;
while (work)
{
fd = static_cast<FileData *>(work->data);
work = work->next;
if (fd->name && !fd->parent)
{
count++;
pgd->geocode_list = g_list_append(pgd->geocode_list, fd);
latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 1000);
longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 1000);
if (latitude != 1000 && longitude != 1000)
{
geocoded_count++;
}
}
}
g_list_free(list);
if(count)
{
g_autoptr(GString) message = g_string_new("");
if (count == 1)
{
fd_found = static_cast<FileData *>(g_list_first(pgd->geocode_list)->data);
g_string_append_printf(message,
_("\nDo you want to geocode image %s?"), fd_found->name);
}
else
{
g_string_append_printf(message,
_("\nDo you want to geocode %i images?"), count);
}
if (geocoded_count == 1 && count == 1)
{
g_string_append(message,
_("\nThis image is already geocoded!"));
}
else if (geocoded_count == 1 && count > 1)
{
g_string_append(message,
_("\nOne image is already geocoded!"));
}
else if (geocoded_count > 1 && count > 1)
{
g_string_append_printf(message,
_("\n%i Images are already geocoded!"), geocoded_count);
}
g_string_append_printf(message, _("\n\nPosition: %lf %lf \n"), pgd->dest_latitude, pgd->dest_longitude);
gd = generic_dialog_new(_("Geocode images"),
"geocode_images", nullptr, TRUE,
bar_pane_gps_close_cancel_cb, pgd);
generic_dialog_add_message(gd, GQ_ICON_DIALOG_QUESTION,
_("Write lat/long to meta-data?"),
message->str, TRUE);
generic_dialog_add_button(gd, GQ_ICON_SAVE, _("Save"),
bar_pane_gps_close_save_cb, TRUE);
gtk_widget_show(gd->dialog);
}
}
}
if (info == TARGET_TEXT_PLAIN)
{
g_autofree gchar *location = decode_geo_parameters(reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)));
if (!(g_strstr_len(location,-1,"Error")))
{
g_auto(GStrv) latlong = g_strsplit(location, " ", 2);
champlain_view_center_on(CHAMPLAIN_VIEW(pgd->gps_view),
g_ascii_strtod(latlong[0], nullptr),
g_ascii_strtod(latlong[1], nullptr));
}
}
}
void bar_pane_gps_dnd_init(gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
gtk_drag_dest_set(pgd->widget,
static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
bar_pane_gps_drop_types.data(), bar_pane_gps_drop_types.size(),
static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE));
g_signal_connect(G_OBJECT(pgd->widget), "drag_data_received",
G_CALLBACK(bar_pane_gps_dnd_receive), NULL);
}
gboolean bar_gps_draw_direction (ClutterCanvas *, cairo_t *cr, gpointer)
{
cairo_set_source_rgb(cr, 255, 0, 0);
cairo_set_line_width(cr, 2);
cairo_move_to(cr, 0, 1);
cairo_line_to(cr, DIRECTION_SIZE, 1);
cairo_stroke(cr);
return TRUE;
}
void bar_pane_gps_thumb_done_cb(ThumbLoader *tl, gpointer data)
{
FileData *fd;
ClutterActor *marker;
ClutterActor *actor;
marker = CLUTTER_ACTOR(data);
fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(marker), "file_fd"));
if (fd->thumb_pixbuf != nullptr)
{
actor = gtk_clutter_texture_new();
gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
champlain_label_set_image(CHAMPLAIN_LABEL(marker), actor);
}
thumb_loader_free(tl);
}
void bar_pane_gps_thumb_error_cb(ThumbLoader *tl, gpointer)
{
thumb_loader_free(tl);
}
gboolean bar_pane_gps_marker_keypress_cb(GtkWidget *widget, ClutterButtonEvent *bevent, gpointer)
{
FileData *fd;
ClutterActor *label_marker;
ClutterActor *parent_marker;
ClutterColor marker_colour = { MARKER_COLOUR };
ClutterColor text_colour = { TEXT_COLOUR };
ClutterColor thumb_colour = { THUMB_COLOUR };
ClutterActor *actor;
ClutterActor *direction;
ClutterActor *current_image;
gint height;
gint width;
GdkPixbufRotation rotate;
ThumbLoader *tl;
if (bevent->button == MOUSE_BUTTON_LEFT)
{
label_marker = CLUTTER_ACTOR(widget);
fd = static_cast<FileData *>(g_object_get_data(G_OBJECT(label_marker), "file_fd"));
/* If the marker is showing a thumbnail, delete it
*/
current_image = champlain_label_get_image(CHAMPLAIN_LABEL(label_marker));
if (current_image != nullptr)
{
clutter_actor_destroy(CLUTTER_ACTOR(current_image));
champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), nullptr);
}
g_autofree gchar *current_text = g_strdup(champlain_label_get_text(CHAMPLAIN_LABEL(label_marker)));
/* If the marker is showing only the text character, replace it with a
* thumbnail and date and altitude
*/
if (g_strcmp0(current_text, "i") == 0)
{
/* If a thumbail has already been generated, use that. If not try the pixbuf of the full image.
* If not, call the thumb_loader to generate a thumbnail and update the marker later in the
* thumb_loader callback
*/
if (fd->thumb_pixbuf != nullptr)
{
actor = gtk_clutter_texture_new();
gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor), fd->thumb_pixbuf, nullptr);
champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
}
else if (fd->pixbuf != nullptr)
{
actor = gtk_clutter_texture_new();
width = gdk_pixbuf_get_width (fd->pixbuf);
height = gdk_pixbuf_get_height (fd->pixbuf);
switch (fd->exif_orientation)
{
case 8:
rotate = GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE;
break;
case 3:
rotate = GDK_PIXBUF_ROTATE_UPSIDEDOWN;
break;
case 6:
rotate = GDK_PIXBUF_ROTATE_CLOCKWISE;
break;
default:
rotate = GDK_PIXBUF_ROTATE_NONE;
}
gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(actor),
gdk_pixbuf_rotate_simple(gdk_pixbuf_scale_simple(fd->pixbuf, THUMB_SIZE, height * THUMB_SIZE / width,
GDK_INTERP_NEAREST), rotate), nullptr);
champlain_label_set_image(CHAMPLAIN_LABEL(label_marker), actor);
}
else
{
tl = thumb_loader_new(THUMB_SIZE, THUMB_SIZE);
thumb_loader_set_callbacks(tl,
bar_pane_gps_thumb_done_cb,
bar_pane_gps_thumb_error_cb,
nullptr,
label_marker);
thumb_loader_start(tl, fd);
}
g_autoptr(GString) text = g_string_new(fd->name);
g_string_append(text, "\n");
g_string_append(text, text_from_time(fd->date));
g_string_append(text, "\n");
g_autofree gchar *altitude = metadata_read_string(fd, "formatted.GPSAltitude", METADATA_FORMATTED);
if (altitude != nullptr)
{
g_string_append(text, altitude);
}
champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), text->str);
champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "sans 8");
champlain_marker_set_selection_color(&thumb_colour);
champlain_marker_set_selection_text_color(&text_colour);
parent_marker = clutter_actor_get_parent(label_marker);
if (clutter_actor_get_n_children(parent_marker ) > 1 )
{
direction = clutter_actor_get_child_at_index(parent_marker, 0);
clutter_actor_set_opacity(direction, 255);
}
}
/* otherwise, revert to the hidden text marker
*/
else
{
champlain_label_set_text(CHAMPLAIN_LABEL(label_marker), "i");
champlain_label_set_font_name(CHAMPLAIN_LABEL(label_marker), "courier 5");
champlain_marker_set_selection_color(&marker_colour);
champlain_marker_set_selection_text_color(&marker_colour);
parent_marker = clutter_actor_get_parent(label_marker);
if (clutter_actor_get_n_children(parent_marker ) > 1 )
{
direction = clutter_actor_get_child_at_index(parent_marker, 0);
clutter_actor_set_opacity(direction, 0);
}
}
return TRUE;
}
return TRUE;
}
gboolean bar_pane_gps_create_markers_cb(gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
gdouble latitude;
gdouble longitude;
gdouble compass;
FileData *fd;
ClutterActor *parent_marker;
ClutterActor *label_marker;
ClutterActor *direction;
ClutterColor marker_colour = { MARKER_COLOUR };
ClutterColor thumb_colour = { THUMB_COLOUR };
ClutterContent *canvas;
const gint selection_added = pgd->selection_count - g_list_length(pgd->not_added);
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress),
static_cast<gdouble>(selection_added) / static_cast<gdouble>(pgd->selection_count));
g_autofree gchar *message = g_strdup_printf("%u/%i", selection_added, pgd->selection_count);
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), message);
if(pgd->not_added)
{
fd = static_cast<FileData *>(pgd->not_added->data);
pgd->not_added = pgd->not_added->next;
latitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLatitude", 0);
longitude = metadata_read_GPS_coord(fd, "Xmp.exif.GPSLongitude", 0);
compass = metadata_read_GPS_direction(fd, "Xmp.exif.GPSImgDirection", 1000);
if (latitude != 0 || longitude != 0)
{
pgd->num_added++;
parent_marker = champlain_marker_new();
clutter_actor_set_reactive(parent_marker, FALSE);
label_marker = champlain_label_new_with_text("i","courier 5", &marker_colour, &marker_colour);
clutter_actor_set_reactive(label_marker, TRUE);
champlain_marker_set_selection_color(&thumb_colour);
if (compass != 1000)
{
canvas = clutter_canvas_new();
clutter_canvas_set_size(CLUTTER_CANVAS (canvas), DIRECTION_SIZE, 3);
g_signal_connect(canvas, "draw", G_CALLBACK(bar_gps_draw_direction), NULL);
direction = clutter_actor_new();
clutter_actor_set_size(direction, DIRECTION_SIZE, 3);
clutter_actor_set_position(direction, 0, 0);
clutter_actor_set_rotation_angle(direction, CLUTTER_Z_AXIS, compass -90.00);
clutter_actor_set_content(direction, canvas);
clutter_content_invalidate(canvas);
g_object_unref(canvas);
clutter_actor_add_child(parent_marker, direction);
clutter_actor_set_opacity(direction, 0);
}
clutter_actor_add_child(parent_marker, label_marker);
champlain_location_set_location(CHAMPLAIN_LOCATION(parent_marker), latitude, longitude);
champlain_marker_layer_add_marker(pgd->icon_layer, CHAMPLAIN_MARKER(parent_marker));
g_signal_connect(G_OBJECT(label_marker), "button_release_event",
G_CALLBACK(bar_pane_gps_marker_keypress_cb), pgd);
g_object_set_data(G_OBJECT(label_marker), "file_fd", fd);
champlain_bounding_box_extend(pgd->bbox, latitude, longitude);
}
return G_SOURCE_CONTINUE;
}
if (pgd->centre_map_checked)
{
if (pgd->num_added == 1)
{
champlain_bounding_box_get_center(pgd->bbox, &latitude, &longitude);
champlain_view_go_to(CHAMPLAIN_VIEW(pgd->gps_view), latitude, longitude);
}
else if (pgd->num_added > 1)
{
champlain_view_ensure_visible(CHAMPLAIN_VIEW(pgd->gps_view), pgd->bbox, TRUE);
}
}
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(pgd->progress), 0);
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(pgd->progress), nullptr);
pgd->create_markers_id = 0;
return G_SOURCE_REMOVE;
}
void bar_pane_gps_update(PaneGPSData *pgd)
{
GList *list;
/* If a create-marker background process is running, kill it
* and start again
*/
if (pgd->create_markers_id != 0)
{
if (g_idle_remove_by_data(pgd))
{
pgd->create_markers_id = 0;
}
else
{
return;
}
}
/* Delete any markers currently displayed
*/
champlain_marker_layer_remove_all(pgd->icon_layer);
if (!pgd->enable_markers_checked)
{
return;
}
/* For each selected photo that has GPS data, create a marker containing
* a single, small text character the same colour as the marker background.
* Use a background process in case the user selects a large number of files.
*/
filelist_free(pgd->selection_list);
if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
list = layout_selection_list(pgd->pane.lw);
list = file_data_process_groups_in_selection(list, FALSE, nullptr);
pgd->selection_list = list;
pgd->not_added = list;
pgd->bbox = champlain_bounding_box_new();
pgd->selection_count = g_list_length(pgd->selection_list);
pgd->create_markers_id = g_idle_add(bar_pane_gps_create_markers_cb, pgd);
pgd->num_added = 0;
}
void bar_pane_gps_set_map_source(PaneGPSData *pgd, const gchar *map_id)
{
ChamplainMapSource *map_source;
ChamplainMapSourceFactory *map_factory;
map_factory = champlain_map_source_factory_dup_default();
map_source = champlain_map_source_factory_create(map_factory, map_id);
if (map_source != nullptr)
{
g_object_set(G_OBJECT(pgd->gps_view), "map-source", map_source, NULL);
}
g_object_unref(map_factory);
}
void bar_pane_gps_enable_markers_checked_toggle_cb(GtkWidget *, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
if (pgd->enable_markers_checked)
{
pgd->enable_markers_checked = FALSE;
}
else
{
pgd->enable_markers_checked = TRUE;
}
}
void bar_pane_gps_centre_map_checked_toggle_cb(GtkWidget *, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
if (pgd->centre_map_checked)
{
pgd->centre_map_checked = FALSE;
}
else
{
pgd->centre_map_checked = TRUE;
}
}
void bar_pane_gps_change_map_cb(GtkWidget *widget, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
gchar *mapsource;
if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget)))
return;
if (!pgd) return;
mapsource = static_cast<gchar *>(g_object_get_data(G_OBJECT(widget), "menu_item_radio_data"));
bar_pane_gps_set_map_source(pgd, mapsource);
}
void bar_pane_gps_notify_selection(GtkWidget *bar, gint count)
{
PaneGPSData *pgd;
if (count == 0) return;
pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
if (!pgd) return;
bar_pane_gps_update(pgd);
}
void bar_pane_gps_set_fd(GtkWidget *bar, FileData *fd)
{
PaneGPSData *pgd;
pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
if (!pgd) return;
file_data_unref(pgd->fd);
pgd->fd = file_data_ref(fd);
bar_pane_gps_update(pgd);
}
gint bar_pane_gps_event(GtkWidget *bar, GdkEvent *event)
{
PaneGPSData *pgd;
pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
if (!pgd) return FALSE;
if (gtk_widget_has_focus(pgd->widget)) return gtk_widget_event(GTK_WIDGET(pgd->widget), event);
return FALSE;
}
const gchar *bar_pane_gps_get_map_id(const PaneGPSData *pgd)
{
g_autoptr(ChamplainMapSource) mapsource = nullptr;
g_object_get(pgd->gps_view, "map-source", &mapsource, NULL);
return champlain_map_source_get_id(mapsource);
}
void bar_pane_gps_write_config(GtkWidget *pane, GString *outstr, gint indent)
{
auto *pgd = static_cast<PaneGPSData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
if (!pgd) return;
WRITE_NL();
WRITE_STRING("<pane_gps ");
write_char_option(outstr, "id", pgd->pane.id);
write_char_option(outstr, "title", gtk_label_get_text(GTK_LABEL(pgd->pane.title)));
WRITE_BOOL(pgd->pane, expanded);
gint w;
gtk_widget_get_size_request(GTK_WIDGET(pane), &w, &pgd->height);
WRITE_INT(*pgd, height);
indent++;
const gchar *map_id = bar_pane_gps_get_map_id(pgd);
WRITE_NL();
write_char_option(outstr, "map-id", map_id);
gint zoom;
g_object_get(G_OBJECT(pgd->gps_view), "zoom-level", &zoom, NULL);
WRITE_NL();
write_int_option(outstr, "zoom-level", zoom);
const auto write_lat_long_option = [pgd, outstr, indent](const gchar *option)
{
gdouble position;
g_object_get(G_OBJECT(pgd->gps_view), option, &position, NULL);
const gint int_position = position * 1000000;
WRITE_NL();
write_int_option(outstr, option, int_position);
};
write_lat_long_option("latitude");
write_lat_long_option("longitude");
indent--;
WRITE_NL();
WRITE_STRING("/>");
}
void bar_pane_gps_slider_changed_cb(GtkScaleButton *slider,
gdouble zoom,
gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
g_autofree gchar *message = g_strdup_printf(_("Zoom %i"), static_cast<gint>(zoom));
g_object_set(G_OBJECT(CHAMPLAIN_VIEW(pgd->gps_view)), "zoom-level", static_cast<gint>(zoom), NULL);
gtk_widget_set_tooltip_text(GTK_WIDGET(slider), message);
}
void bar_pane_gps_view_state_changed_cb(ChamplainView *view, GParamSpec *, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
ChamplainState status;
gint zoom;
g_object_get(G_OBJECT(view), "zoom-level", &zoom, NULL);
g_autofree gchar *message = g_strdup_printf(_("Zoom level %i"), zoom);
g_object_get(G_OBJECT(view), "state", &status, NULL);
if (status == CHAMPLAIN_STATE_LOADING)
{
gtk_label_set_text(GTK_LABEL(pgd->state), _("Loading map"));
}
else
{
gtk_label_set_text(GTK_LABEL(pgd->state), message);
}
gtk_widget_set_tooltip_text(GTK_WIDGET(pgd->slider), message);
gtk_scale_button_set_value(GTK_SCALE_BUTTON(pgd->slider), static_cast<gdouble>(zoom));
}
void bar_pane_gps_notify_cb(FileData *fd, NotifyType type, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) &&
g_list_find(pgd->selection_list, fd))
{
bar_pane_gps_update(pgd);
}
}
GtkWidget *bar_pane_gps_menu(PaneGPSData *pgd)
{
GtkWidget *menu;
GtkWidget *map_centre;
ChamplainMapSourceFactory *map_factory;
GSList *map_list;
const gchar *current;
menu = popup_menu_short_lived();
map_factory = champlain_map_source_factory_dup_default();
map_list = champlain_map_source_factory_get_registered(map_factory);
current = bar_pane_gps_get_map_id(pgd);
for (GSList *work = map_list; work; work = work->next)
{
auto *map_desc = static_cast<ChamplainMapSourceDesc *>(work->data);
const gchar *map_desc_id = champlain_map_source_desc_get_id(map_desc);
menu_item_add_radio(menu,
champlain_map_source_desc_get_name(map_desc),
const_cast<gchar *>(map_desc_id),
strcmp(map_desc_id, current) == 0,
G_CALLBACK(bar_pane_gps_change_map_cb), pgd);
}
g_slist_free(map_list);
menu_item_add_divider(menu);
menu_item_add_check(menu, _("Enable markers"), pgd->enable_markers_checked,
G_CALLBACK(bar_pane_gps_enable_markers_checked_toggle_cb), pgd);
map_centre = menu_item_add_check(menu, _("Centre map on marker"), pgd->centre_map_checked,
G_CALLBACK(bar_pane_gps_centre_map_checked_toggle_cb), pgd);
if (!pgd->enable_markers_checked)
{
gtk_widget_set_sensitive(map_centre, FALSE);
}
g_object_unref(map_factory);
return menu;
}
/* Determine if the map is to be re-centred on the marker when another photo is selected
*/
void bar_pane_gps_map_centreing(PaneGPSData *pgd)
{
GenericDialog *gd;
const gchar *message;
if (pgd->centre_map_checked)
{
message = _("Move map centre to marker\n is disabled");
}
else
{
message = _("Move map centre to marker\n is enabled");
}
pgd->centre_map_checked = !pgd->centre_map_checked;
gd = generic_dialog_new(_("Map centering"),
"map_centering", nullptr, TRUE, nullptr, pgd);
generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO, _("Map Centering"), message, TRUE);
generic_dialog_add_button(gd, GQ_ICON_OK, "OK", nullptr, TRUE);
gtk_widget_show(gd->dialog);
}
#if HAVE_GTK4
gboolean bar_pane_gps_map_keypress_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
{
/* @FIXME GTK4 stub */
return FALSE;
}
#else
gboolean bar_pane_gps_map_keypress_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
GtkWidget *menu;
GtkClipboard *clipboard;
if (bevent->button == MOUSE_BUTTON_RIGHT)
{
menu = bar_pane_gps_menu(pgd);
gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
return TRUE;
}
if (bevent->button == MOUSE_BUTTON_MIDDLE)
{
bar_pane_gps_map_centreing(pgd);
return TRUE;
}
if (bevent->button == MOUSE_BUTTON_LEFT)
{
clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
g_autofree gchar *geo_coords = g_strdup_printf("%f %f",
champlain_view_y_to_latitude(CHAMPLAIN_VIEW(pgd->gps_view),bevent->y),
champlain_view_x_to_longitude(CHAMPLAIN_VIEW(pgd->gps_view),bevent->x));
gtk_clipboard_set_text(clipboard, geo_coords, -1);
return TRUE;
}
return FALSE;
}
#endif
void bar_pane_gps_destroy(gpointer data)
{
auto pgd = static_cast<PaneGPSData *>(data);
file_data_unregister_notify_func(bar_pane_gps_notify_cb, pgd);
g_idle_remove_by_data(pgd);
filelist_free(pgd->selection_list);
if (pgd->bbox) champlain_bounding_box_free(pgd->bbox);
file_data_unref(pgd->fd);
g_free(pgd->map_source);
g_free(pgd->pane.id);
clutter_actor_destroy(pgd->gps_view);
g_free(pgd);
}
} // namespace
GtkWidget *bar_pane_gps_new(const gchar *id, const gchar *title, const gchar *map_id,
const gint zoom, const gdouble latitude, const gdouble longitude,
gboolean expanded, gint height)
{
PaneGPSData *pgd;
GtkWidget *vbox;
GtkWidget *frame;
GtkWidget *gpswidget;
GtkWidget *status;
GtkWidget *state;
GtkWidget *progress;
GtkWidget *slider;
ChamplainMarkerLayer *layer;
ChamplainView *view;
const gchar *slider_list[] = {GQ_ICON_ZOOM_IN, GQ_ICON_ZOOM_OUT, nullptr};
pgd = g_new0(PaneGPSData, 1);
pgd->pane.pane_set_fd = bar_pane_gps_set_fd;
pgd->pane.pane_notify_selection = bar_pane_gps_notify_selection;
pgd->pane.pane_event = bar_pane_gps_event;
pgd->pane.pane_write_config = bar_pane_gps_write_config;
pgd->pane.title = bar_pane_expander_title(title);
pgd->pane.id = g_strdup(id);
pgd->pane.type = PANE_GPS;
pgd->pane.expanded = expanded;
pgd->height = height;
frame = gtk_frame_new(nullptr);
DEBUG_NAME(frame);
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
gpswidget = gtk_champlain_embed_new();
view = gtk_champlain_embed_get_view(GTK_CHAMPLAIN_EMBED(gpswidget));
gq_gtk_box_pack_start(GTK_BOX(vbox), gpswidget, TRUE, TRUE, 0);
gq_gtk_container_add(GTK_WIDGET(frame), vbox);
status = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
#if HAVE_GTK4
const gchar **slider_icons = slider_list;
slider = gtk_scale_button_new(1, 17, 1, slider_icons);
#else
slider = gtk_scale_button_new(GTK_ICON_SIZE_SMALL_TOOLBAR, 1, 17, 1, slider_list);
#endif
gtk_widget_set_tooltip_text(slider, _("Zoom"));
gtk_scale_button_set_value(GTK_SCALE_BUTTON(slider), static_cast<gdouble>(zoom));
progress = gtk_progress_bar_new();
gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), "");
gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(progress), TRUE);
state = gtk_label_new("");
gtk_label_set_justify(GTK_LABEL(state), GTK_JUSTIFY_LEFT);
gtk_label_set_ellipsize(GTK_LABEL(state), PANGO_ELLIPSIZE_START);
gtk_widget_set_tooltip_text(state, _("Zoom level"));
gq_gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(slider), FALSE, FALSE, 0);
gq_gtk_box_pack_start(GTK_BOX(status), GTK_WIDGET(state), FALSE, FALSE, 5);
gq_gtk_box_pack_end(GTK_BOX(status), GTK_WIDGET(progress), FALSE, FALSE, 0);
gq_gtk_box_pack_end(GTK_BOX(vbox),GTK_WIDGET(status), FALSE, FALSE, 0);
layer = champlain_marker_layer_new();
champlain_view_add_layer(view, CHAMPLAIN_LAYER(layer));
pgd->icon_layer = layer;
pgd->gps_view = CLUTTER_ACTOR(view);
pgd->widget = frame;
pgd->progress = progress;
pgd->slider = slider;
pgd->state = state;
bar_pane_gps_set_map_source(pgd, map_id);
g_object_set(G_OBJECT(view), "kinetic-mode", TRUE,
"zoom-level", zoom,
"keep-center-on-resize", TRUE,
"deceleration", 1.1,
"zoom-on-double-click", FALSE,
"max-zoom-level", 17,
"min-zoom-level", 1,
NULL);
champlain_view_center_on(view, latitude, longitude);
pgd->centre_map_checked = TRUE;
g_object_set_data_full(G_OBJECT(pgd->widget), "pane_data", pgd, bar_pane_gps_destroy);
gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
gtk_widget_set_size_request(pgd->widget, -1, height);
g_signal_connect(G_OBJECT(gpswidget), "button_press_event", G_CALLBACK(bar_pane_gps_map_keypress_cb), pgd);
g_signal_connect(pgd->gps_view, "notify::state", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
g_signal_connect(pgd->gps_view, "notify::zoom-level", G_CALLBACK(bar_pane_gps_view_state_changed_cb), pgd);
g_signal_connect(G_OBJECT(slider), "value-changed", G_CALLBACK(bar_pane_gps_slider_changed_cb), pgd);
bar_pane_gps_dnd_init(pgd);
file_data_register_notify_func(bar_pane_gps_notify_cb, pgd, NOTIFY_PRIORITY_LOW);
pgd->create_markers_id = 0;
pgd->enable_markers_checked = TRUE;
pgd->centre_map_checked = TRUE;
return pgd->widget;
}
GtkWidget *bar_pane_gps_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
{
g_autofree gchar *title = g_strdup(_("GPS Map"));
g_autofree gchar *map_id = nullptr;
gboolean expanded = TRUE;
gint height = 350;
gint zoom = 7;
gdouble latitude;
gdouble longitude;
/* Latitude and longitude are stored in the config file as an integer of
* (actual value * 1,000,000). There is no READ_DOUBLE utility function.