Mercurial > hg > forks > geeqie
view src/osd.c @ 2916:ae6cdcd69d9f default tip
Merge with upstream/master.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Tue, 14 May 2019 11:46:50 +0300 |
parents | 87242753ed2c |
children |
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/* * 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")}, {"%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")}, {"%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 *context, GtkSelectionData *selection_data, guint info, guint 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 *context, GtkSelectionData *selection_data, guint info, guint time, gpointer 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 *hbox; GtkWidget *vbox; GtkWidget *vbox_buttons; GtkWidget *group; GtkWidget *button; GtkWidget *scrolled; GtkTextBuffer *buffer; GtkWidget *label; GtkWidget * subgroup; gint i = 0; gint rows = 0; gint max_rows = 0; gint col = 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); label = gtk_label_new("title"); 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 optionnal 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: */