+++ /dev/null
-/*
- * Copyright (C) 2018 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.
- */
-
-/* Routines for creating the Overlay Screen Display text. Also
- * used for the same purposes by the Print routines
- */
-
-#include "main.h"
-#include "osd.h"
-
-#include "dnd.h"
-#include "exif.h"
-#include "glua.h"
-#include "metadata.h"
-#include "ui_fileops.h"
-#include "ui_misc.h"
-
-#include <math.h>
-
-static const gchar *predefined_tags[][2] = {
- {"%name%", N_("Name")},
- {"%path:60%", N_("Path")},
- {"%date%", N_("Date")},
- {"%size%", N_("Size")},
- {"%zoom%", N_("Zoom")},
- {"%dimensions%", N_("Dimensions")},
- {"%collection%", N_("Collection")},
- {"%number%", N_("Image index")},
- {"%total%", N_("Images total")},
- {"%comment%", N_("Comment")},
- {"%keywords%", N_("Keywords")},
- {"%file.ctime%", N_("File ctime")},
- {"%file.mode%", N_("File mode")},
- {"%file.owner%", N_("File owner")},
- {"%file.group%", N_("File group")},
- {"%file.link%", N_("File link")},
- {"%file.class%", N_("File class")},
- {"%file.page_no%", N_("File page no.")},
- {"%formatted.DateTime%", N_("Image date")},
- {"%formatted.DateTimeDigitized%", N_("Date digitized")},
- {"%formatted.ShutterSpeed%", N_("ShutterSpeed")},
- {"%formatted.Aperture%", N_("Aperture")},
- {"%formatted.ExposureBias%", N_("Exposure bias")},
- {"%formatted.Resolution%", N_("Resolution")},
- {"%formatted.Camera%", N_("Camera")},
- {"%lua.lensID%", N_("Lens")},
- {"%formatted.ISOSpeedRating%", N_("ISO")},
- {"%formatted.FocalLength%", N_("Focal length")},
- {"%formatted.FocalLength35mmFilm%", N_("Focal len. 35mm")},
- {"%formatted.SubjectDistance%", N_("Subject distance")},
- {"%formatted.Flash%", N_("Flash")},
- {"%formatted.ColorProfile%", N_("Color profile")},
- {"%formatted.GPSPosition%", N_("Lat, Long")},
- {"%formatted.GPSAltitude%", N_("Altitude")},
- {"%formatted.localtime%", N_("Local time")},
- {"%formatted.timezone%", N_("Timezone")},
- {"%formatted.countryname%", N_("Country name")},
- {"%formatted.countrycode%", N_("Country code")},
- {"%rating%", N_("Rating")},
- {"%formatted.star_rating%", N_("Star rating")},
- {"%Xmp.dc.creator%", N_("© Creator")},
- {"%Xmp.dc.contributor%", N_("© Contributor")},
- {"%Xmp.dc.rights%", N_("© Rights")},
- {NULL, NULL}};
-
-static GtkTargetEntry osd_drag_types[] = {
- { "text/plain", GTK_TARGET_SAME_APP, TARGET_TEXT_PLAIN }
-};
-
-typedef struct _TagData TagData;
-struct _TagData
-{
- gchar *key;
- gchar *title;
-};
-
-static void tag_button_cb(GtkWidget *widget, gpointer data)
-{
- GtkTextView *image_overlay_template_view = data;
- GtkTextBuffer *buffer;
- TagData *td;
-
- buffer = gtk_text_view_get_buffer(image_overlay_template_view);
- td = g_object_get_data(G_OBJECT(widget), "tag_data");
- gtk_text_buffer_insert_at_cursor(GTK_TEXT_BUFFER(buffer), td->key, -1);
-
- gtk_widget_grab_focus(GTK_WIDGET(image_overlay_template_view));
-}
-
-static void osd_dnd_get_cb(GtkWidget *btn, GdkDragContext *UNUSED(context),
- GtkSelectionData *selection_data, guint UNUSED(info),
- guint UNUSED(time), gpointer data)
-{
- TagData *td;
- GtkTextView *image_overlay_template_view = data;
-
- td = g_object_get_data(G_OBJECT(btn), "tag_data");
- gtk_selection_data_set_text(selection_data, td->key, -1);
-
- gtk_widget_grab_focus(GTK_WIDGET(image_overlay_template_view));
-}
-
-static void osd_btn_destroy_cb(GtkWidget *btn, GdkDragContext *UNUSED(context),
- GtkSelectionData *UNUSED(selection_data), guint UNUSED(info),
- guint UNUSED(time), gpointer UNUSED(data))
-{
- TagData *td;
-
- td = g_object_get_data(G_OBJECT(btn), "tag_data");
- g_free(td->key);
- g_free(td->title);
-}
-
-static void set_osd_button(GtkTable *table, const gint rows, const gint cols, const gchar *key, const gchar *title, GtkWidget *template_view)
-{
- GtkWidget *new_button;
- TagData *td;
-
- new_button = gtk_button_new_with_label(title);
- g_signal_connect(G_OBJECT(new_button), "clicked", G_CALLBACK(tag_button_cb), template_view);
- gtk_widget_show(new_button);
-
- td = g_new0(TagData, 1);
- td->key = g_strdup(key);
- td->title = g_strdup(title);
-
- g_object_set_data(G_OBJECT(new_button), "tag_data", td);
-
- gtk_drag_source_set(new_button, GDK_BUTTON1_MASK, osd_drag_types, 1, GDK_ACTION_COPY);
- g_signal_connect(G_OBJECT(new_button), "drag_data_get",
- G_CALLBACK(osd_dnd_get_cb), template_view);
- g_signal_connect(G_OBJECT(new_button), "destroy",
- G_CALLBACK(osd_btn_destroy_cb), new_button);
-
- gtk_table_attach_defaults(table, new_button, cols, cols+1, rows, rows+1);
-
-}
-
-GtkWidget *osd_new(gint max_cols, GtkWidget *template_view)
-{
- GtkWidget *vbox;
- GtkWidget *scrolled;
- gint i = 0;
- gint rows = 0;
- gint max_rows = 0;
- gint cols = 0;
- gdouble entries;
- GtkWidget *viewport;
-
- vbox = gtk_vbox_new(FALSE, 0);
-
- pref_label_new(vbox, _("To include predefined tags in the template, click a button or drag-and-drop"));
-
- scrolled = gtk_scrolled_window_new(NULL, NULL);
- gtk_box_pack_start(GTK_BOX(vbox), scrolled, FALSE, FALSE, 0);
- gtk_container_set_border_width(GTK_CONTAINER(scrolled), PREF_PAD_BORDER);
- gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
- GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
- gtk_widget_show(scrolled);
- gtk_widget_set_size_request(scrolled, -1, 140);
-
- viewport = gtk_viewport_new(NULL, NULL);
- gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
- gtk_container_add(GTK_CONTAINER(scrolled), viewport);
- gtk_widget_show(viewport);
-
- entries = (sizeof(predefined_tags) / sizeof(predefined_tags[0])) - 1;
- max_rows = ceil(entries / max_cols);
-
- GtkTable *table;
- table = GTK_TABLE(gtk_table_new(max_rows, max_cols, FALSE));
- gtk_container_add(GTK_CONTAINER(viewport), GTK_WIDGET(table));
- gtk_widget_show(GTK_WIDGET(table));
-
- for (rows = 0; rows < max_rows; rows++)
- {
- cols = 0;
-
- while (cols < max_cols && predefined_tags[i][0])
- {
- set_osd_button(table, rows, cols, predefined_tags[i][0], predefined_tags[i][1], template_view);
- i = i + 1;
- cols++;
- }
- }
- return vbox;
-}
-static gchar *keywords_to_string(FileData *fd)
-{
- GList *keywords;
- GString *kwstr = NULL;
- gchar *ret = NULL;
-
- g_assert(fd);
-
- keywords = metadata_read_list(fd, KEYWORD_KEY, METADATA_PLAIN);
-
- if (keywords)
- {
- GList *work = keywords;
-
- while (work)
- {
- gchar *kw = work->data;
- work = work->next;
-
- if (!kw) continue;
- if (!kwstr)
- kwstr = g_string_new("");
- else
- g_string_append(kwstr, ", ");
-
- g_string_append(kwstr, kw);
- }
- string_list_free(keywords);
- }
-
- if (kwstr)
- {
- ret = kwstr->str;
- g_string_free(kwstr, FALSE);
- }
-
- return ret;
-}
-
-gchar *image_osd_mkinfo(const gchar *str, FileData *fd, GHashTable *vars)
-{
- gchar delim = '%', imp = '|', sep[] = " - ";
- gchar *start, *end;
- guint pos, prev;
- gboolean want_separator = FALSE;
- gchar *name, *data;
- GString *new;
- gchar *ret;
-
- if (!str || !*str) return g_strdup("");
-
- new = g_string_new(str);
-
- prev = -1;
-
- while (TRUE)
- {
- guint limit = 0;
- gchar *trunc = NULL;
- gchar *limpos = NULL;
- gchar *extra = NULL;
- gchar *extrapos = NULL;
- gchar *p;
-
- start = strchr(new->str + (prev + 1), delim);
- if (!start)
- break;
- end = strchr(start+1, delim);
- if (!end)
- break;
-
- /* Search for optional modifiers
- * %name:99:extra% -> name = "name", limit=99, extra = "extra"
- */
- for (p = start + 1; p < end; p++)
- {
- if (p[0] == ':')
- {
- if (g_ascii_isdigit(p[1]) && !limpos)
- {
- limpos = p + 1;
- if (!trunc) trunc = p;
- }
- else
- {
- extrapos = p + 1;
- if (!trunc) trunc = p;
- break;
- }
- }
- }
-
- if (limpos)
- limit = (guint) atoi(limpos);
-
- if (extrapos)
- extra = g_strndup(extrapos, end - extrapos);
-
- name = g_strndup(start+1, (trunc ? trunc : end)-start-1);
- pos = start - new->str;
- data = NULL;
-
- if (strcmp(name, "keywords") == 0)
- {
- data = keywords_to_string(fd);
- }
- else if (strcmp(name, "comment") == 0)
- {
- data = metadata_read_string(fd, COMMENT_KEY, METADATA_PLAIN);
- }
- else if (strcmp(name, "imagecomment") == 0)
- {
- data = exif_get_image_comment(fd);
- }
- else if (strcmp(name, "rating") == 0)
- {
- data = metadata_read_string(fd, RATING_KEY, METADATA_PLAIN);
- }
-#ifdef HAVE_LUA
- else if (strncmp(name, "lua/", 4) == 0)
- {
- gchar *tmp;
- tmp = strchr(name+4, '/');
- if (!tmp)
- break;
- *tmp = '\0';
- data = lua_callvalue(fd, name+4, tmp+1);
- }
-#endif
- else
- {
- data = g_strdup(g_hash_table_lookup(vars, name));
- if (!data)
- data = metadata_read_string(fd, name, METADATA_FORMATTED);
- }
-
- if (data && *data && limit > 0 && strlen(data) > limit + 3)
- {
- gchar *new_data = g_strdup_printf("%-*.*s...", limit, limit, data);
- g_free(data);
- data = new_data;
- }
-
- if (data)
- {
- /* Since we use pango markup to display, we need to escape here */
- gchar *escaped = g_markup_escape_text(data, -1);
- g_free(data);
- data = escaped;
- }
-
- if (extra)
- {
- if (data && *data)
- {
- /* Display data between left and right parts of extra string
- * the data is expressed by a '*' character. A '*' may be escaped
- * by a \. You should escape all '*' characters, do not rely on the
- * current implementation which only replaces the first unescaped '*'.
- * If no "*" is present, the extra string is just appended to data string.
- * Pango mark up is accepted in left and right parts.
- * Any \n is replaced by a newline
- * Examples:
- * "<i>*</i>\n" -> data is displayed in italics ended with a newline
- * "\n" -> ended with newline
- * "ISO *" -> prefix data with "ISO " (ie. "ISO 100")
- * "\**\*" -> prefix data with a star, and append a star (ie. "*100*")
- * "\\*" -> prefix data with an anti slash (ie "\100")
- * "Collection <b>*</b>\n" -> display data in bold prefixed by "Collection " and a newline is appended
- */
- /** @FIXME using background / foreground colors lead to weird results.
- */
- gchar *new_data;
- gchar *left = NULL;
- gchar *right = extra;
- gchar *p;
- guint len = strlen(extra);
-
- /* Search for left and right parts and unescape characters */
- for (p = extra; *p; p++, len--)
- if (p[0] == '\\')
- {
- if (p[1] == 'n')
- {
- memmove(p+1, p+2, --len);
- p[0] = '\n';
- }
- else if (p[1] != '\0')
- memmove(p, p+1, len--); // includes \0
- }
- else if (p[0] == '*' && !left)
- {
- right = p + 1;
- left = extra;
- }
-
- if (left) right[-1] = '\0';
-
- new_data = g_strdup_printf("%s%s%s", left ? left : "", data, right);
- g_free(data);
- data = new_data;
- }
- g_free(extra);
- }
-
- g_string_erase(new, pos, end-start+1);
- if (data && *data)
- {
- if (want_separator)
- {
- /* insert separator */
- g_string_insert(new, pos, sep);
- pos += strlen(sep);
- want_separator = FALSE;
- }
-
- g_string_insert(new, pos, data);
- pos += strlen(data);
- }
-
- if (pos-prev >= 1 && new->str[pos] == imp)
- {
- /* pipe character is replaced by a separator, delete it
- * and raise a flag if needed */
- g_string_erase(new, pos--, 1);
- want_separator |= (data && *data);
- }
-
- if (new->str[pos] == '\n') want_separator = FALSE;
-
- prev = pos - 1;
-
- g_free(name);
- g_free(data);
- }
-
- /* search and destroy empty lines */
- end = new->str;
- while ((start = strchr(end, '\n')))
- {
- end = start;
- while (*++(end) == '\n')
- ;
- g_string_erase(new, start-new->str, end-start-1);
- }
-
- g_strchomp(new->str);
-
- ret = new->str;
- g_string_free(new, FALSE);
-
- return ret;
-}
-
-void osd_template_insert(GHashTable *vars, gchar *keyword, gchar *value, OsdTemplateFlags flags)
-{
- if (!value)
- {
- g_hash_table_insert(vars, keyword, g_strdup(""));
- return;
- }
-
- if (flags & OSDT_NO_DUP)
- {
- g_hash_table_insert(vars, keyword, value);
- return;
- }
- else
- {
- g_hash_table_insert(vars, keyword, g_strdup(value));
- }
-
- if (flags & OSDT_FREE) g_free((gpointer) value);
-}
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff