Revision: 1555
          http://geeqie.svn.sourceforge.net/geeqie/?rev=1555&view=rev
Author:   nadvornik
Date:     2009-03-17 22:41:09 +0000 (Tue, 17 Mar 2009)

Log Message:
-----------
implemented editing support in exif pane

Modified Paths:
--------------
    trunk/src/bar_exif.c

Modified: trunk/src/bar_exif.c
===================================================================
--- trunk/src/bar_exif.c        2009-03-17 19:52:56 UTC (rev 1554)
+++ trunk/src/bar_exif.c        2009-03-17 22:41:09 UTC (rev 1555)
@@ -37,21 +37,25 @@
  */
 
 typedef struct _ExifEntry ExifEntry;
+typedef struct _PaneExifData PaneExifData;
+
 struct _ExifEntry
 {
        GtkWidget *ebox;
-       GtkWidget *hbox;
+       GtkWidget *box;
        GtkWidget *title_label;
-       GtkWidget *value_label;
+       GtkWidget *value_widget;
 
        gchar *key;
        gchar *title;
        gboolean if_set;
        gboolean auto_title;
+       gboolean editable;
+
+       PaneExifData *ped;
 };
        
        
-typedef struct _PaneExifData PaneExifData;
 struct _PaneExifData
 {
        PaneData pane;
@@ -77,13 +81,27 @@
        GtkWidget *key_entry;
        GtkWidget *title_entry;
        gboolean if_set;
+       gboolean editable;
 };
 
 static void bar_pane_exif_entry_dnd_init(GtkWidget *entry);
 static void bar_pane_exif_entry_update_title(ExifEntry *ee);
 static void bar_pane_exif_update(PaneExifData *ped);
 static gboolean bar_pane_exif_menu_cb(GtkWidget *widget, GdkEventButton 
*bevent, gpointer data);
+static void bar_pane_exif_notify_cb(FileData *fd, NotifyType type, gpointer 
data);
 
+
+static void bar_pane_exif_entry_changed(GtkEntry *text_entry, gpointer data)
+{
+       ExifEntry *ee = data;
+       gchar *text;
+       if (!ee->ped->fd) return;
+
+       text = text_widget_text_pull(ee->value_widget);
+       metadata_write_string(ee->ped->fd, ee->key, text);
+       g_free(text);
+}
+
 static void bar_pane_exif_entry_destroy(GtkWidget *widget, gpointer data)
 {
        ExifEntry *ee = data;
@@ -93,8 +111,44 @@
        g_free(ee);
 }
 
+static void bar_pane_exif_setup_entry_box(PaneExifData *ped, ExifEntry *ee)
+{
+       gboolean horizontal = !ee->editable;
+       gboolean editable = ee->editable;
 
-static GtkWidget *bar_pane_exif_add_entry(PaneExifData *ped, const gchar *key, 
const gchar *title, gint if_set)
+       if (ee->box) gtk_widget_destroy(ee->box);
+
+       ee->box = horizontal ? gtk_hbox_new(FALSE, 0) : gtk_vbox_new(FALSE, 0);
+       gtk_container_add(GTK_CONTAINER(ee->ebox), ee->box);
+       gtk_widget_show(ee->box);
+
+       ee->title_label = gtk_label_new(NULL);
+       gtk_misc_set_alignment(GTK_MISC(ee->title_label), horizontal ? 1.0 : 
0.0, 0.5);
+       gtk_size_group_add_widget(ped->size_group, ee->title_label);
+       gtk_box_pack_start(GTK_BOX(ee->box), ee->title_label, FALSE, TRUE, 0);
+       gtk_widget_show(ee->title_label);
+
+       if (editable)
+               {
+               ee->value_widget = gtk_entry_new();
+               g_signal_connect(G_OBJECT(ee->value_widget), "changed",
+                        G_CALLBACK(bar_pane_exif_entry_changed), ee);
+
+               }
+       else
+               {
+               ee->value_widget = gtk_label_new(NULL);
+//             gtk_label_set_width_chars(GTK_LABEL(ee->value_widget), 20);
+               gtk_label_set_ellipsize(GTK_LABEL(ee->value_widget), 
PANGO_ELLIPSIZE_END);
+//             gtk_widget_set_size_request(ee->value_widget, 100, -1);
+               gtk_misc_set_alignment(GTK_MISC(ee->value_widget), 0.0, 0.5);
+               }
+               
+       gtk_box_pack_start(GTK_BOX(ee->box), ee->value_widget, TRUE, TRUE, 1);
+       gtk_widget_show(ee->value_widget);
+}
+
+static GtkWidget *bar_pane_exif_add_entry(PaneExifData *ped, const gchar *key, 
const gchar *title, gboolean if_set, gboolean editable)
 {
        ExifEntry *ee = g_new0(ExifEntry, 1);
        
@@ -110,34 +164,22 @@
                }
                
        ee->if_set = if_set;
+       ee->editable = editable;
        
+       ee->ped = ped;
+       
        ee->ebox = gtk_event_box_new();
        g_object_set_data(G_OBJECT(ee->ebox), "entry_data", ee);
        g_signal_connect_after(G_OBJECT(ee->ebox), "destroy",
                               G_CALLBACK(bar_pane_exif_entry_destroy), ee);
        
-       ee->hbox = gtk_hbox_new(FALSE, 0);
-       gtk_container_add(GTK_CONTAINER(ee->ebox), ee->hbox);
-       gtk_widget_show(ee->hbox);
-
-       ee->title_label = gtk_label_new(NULL);
-       gtk_misc_set_alignment(GTK_MISC(ee->title_label), 1.0, 0.5);
-       gtk_size_group_add_widget(ped->size_group, ee->title_label);
-       gtk_box_pack_start(GTK_BOX(ee->hbox), ee->title_label, FALSE, TRUE, 0);
-       gtk_widget_show(ee->title_label);
-       
-       ee->value_label = gtk_label_new(NULL);
-//     gtk_label_set_width_chars(GTK_LABEL(ee->value_label), 20);
-       gtk_label_set_ellipsize(GTK_LABEL(ee->value_label), 
PANGO_ELLIPSIZE_END);
-//     gtk_widget_set_size_request(ee->value_label, 100, -1);
-       gtk_misc_set_alignment(GTK_MISC(ee->value_label), 0.0, 0.5);
-       gtk_box_pack_start(GTK_BOX(ee->hbox), ee->value_label, TRUE, TRUE, 1);
-       gtk_widget_show(ee->value_label);
        gtk_box_pack_start(GTK_BOX(ped->vbox), ee->ebox, FALSE, FALSE, 0);
 
        bar_pane_exif_entry_dnd_init(ee->ebox);
        g_signal_connect(ee->ebox, "button_press_event", 
G_CALLBACK(bar_pane_exif_menu_cb), ped);
        
+       bar_pane_exif_setup_entry_box(ped, ee);
+        
        bar_pane_exif_entry_update_title(ee);
        bar_pane_exif_update(ped);
        
@@ -146,18 +188,20 @@
 
 static void bar_pane_exif_reparent_entry(GtkWidget *entry, GtkWidget *pane)
 {
-       GtkWidget *old_pane = entry->parent;
        PaneExifData *ped = g_object_get_data(G_OBJECT(pane), "pane_data");
-       PaneExifData *old_ped = g_object_get_data(G_OBJECT(old_pane), 
"pane_data");
+       PaneExifData *old_ped;
        ExifEntry *ee = g_object_get_data(G_OBJECT(entry), "entry_data");
        
-       if (!ped || !old_ped || !ee) return;
+       if (!ped || !ee) return;
        
+       old_ped = ee->ped;
+       
        g_object_ref(entry);
        
        gtk_size_group_remove_widget(old_ped->size_group, ee->title_label);
        gtk_container_remove(GTK_CONTAINER(old_ped->vbox), entry);
        
+       ee->ped = ped;
        gtk_size_group_add_widget(ped->size_group, ee->title_label);
        gtk_box_pack_start(GTK_BOX(ped->vbox), entry, FALSE, FALSE, 0);
 }
@@ -177,19 +221,31 @@
        ExifEntry *ee = g_object_get_data(G_OBJECT(entry), "entry_data");
        
        if (!ee) return;
-       text = metadata_read_string(ped->fd, ee->key, METADATA_FORMATTED);
+       text = metadata_read_string(ped->fd, ee->key, ee->editable ? 
METADATA_PLAIN : METADATA_FORMATTED);
 
-       if (!ped->show_all && ee->if_set && (!text || !*text))
+       if (!ped->show_all && ee->if_set && !ee->editable && (!text || !*text))
                {
-               gtk_label_set_text(GTK_LABEL(ee->value_label), NULL);
+               gtk_label_set_text(GTK_LABEL(ee->value_widget), NULL);
                gtk_widget_hide(entry);
                }
        else
                {
-               gtk_label_set_text(GTK_LABEL(ee->value_label), text);
+               if (ee->editable)
+                       {
+                       g_signal_handlers_block_by_func(ee->value_widget, 
bar_pane_exif_entry_changed, ee);
+                       gtk_entry_set_text(GTK_ENTRY(ee->value_widget), text ? 
text : "");
+                       g_signal_handlers_unblock_by_func(ee->value_widget, 
bar_pane_exif_entry_changed, ee);
 #if GTK_CHECK_VERSION(2,12,0)
-               gtk_widget_set_tooltip_text(ee->hbox, text);
+                       gtk_widget_set_tooltip_text(ee->box, NULL);
 #endif
+                       }
+               else
+                       {
+                       gtk_label_set_text(GTK_LABEL(ee->value_widget), text);
+#if GTK_CHECK_VERSION(2,12,0)
+                       gtk_widget_set_tooltip_text(ee->box, text);
+#endif
+                       }
                gtk_widget_show(entry);
                ped->all_hidden = FALSE;
                }
@@ -232,12 +288,36 @@
        bar_pane_exif_update(ped);
 }
 
+gint bar_pane_exif_event(GtkWidget *bar, GdkEvent *event)
+{
+       PaneExifData *ped;
+       gboolean ret = FALSE;
+       GList *list, *work;
+
+       ped = g_object_get_data(G_OBJECT(bar), "pane_data");
+       if (!ped) return FALSE;
+
+       list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));    
+       work = list;
+       while (!ret && work)
+               {
+               GtkWidget *entry = work->data;
+               ExifEntry *ee = g_object_get_data(G_OBJECT(entry), 
"entry_data");
+               work = work->next;
+
+               if (ee->editable && GTK_WIDGET_HAS_FOCUS(ee->value_widget)) ret 
= gtk_widget_event(ee->value_widget, event);
+               }
+       g_list_free(list);
+       return ret;
+}
+
 static void bar_pane_exif_notify_cb(FileData *fd, NotifyType type, gpointer 
data)
 {
        PaneExifData *ped = data;
        if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == 
ped->fd) bar_pane_exif_update(ped);
 }
 
+
 /*
  *-------------------------------------------------------------------
  * dnd
@@ -301,7 +381,7 @@
                        break;
                default:
                        /* FIXME: this needs a check for valid exif keys */
-                       new_entry = bar_pane_exif_add_entry(ped, (gchar 
*)selection_data->data, NULL, TRUE);
+                       new_entry = bar_pane_exif_add_entry(ped, (gchar 
*)selection_data->data, NULL, TRUE, FALSE);
                        break;
                }
 
@@ -394,7 +474,7 @@
                bar_pane_exif_add_entry(ped, 
                                        
gtk_entry_get_text(GTK_ENTRY(cdd->key_entry)),
                                        
gtk_entry_get_text(GTK_ENTRY(cdd->title_entry)),
-                                       cdd->if_set);
+                                       cdd->if_set, cdd->editable);
                }
 
        if (ee)
@@ -422,6 +502,9 @@
                        }
                
                ee->if_set = cdd->if_set;
+               ee->editable = cdd->editable;
+               
+               bar_pane_exif_setup_entry_box(ped, ee);
 
                bar_pane_exif_entry_update_title(ee);
                bar_pane_exif_update(ped);
@@ -444,7 +527,8 @@
 
 
        cdd->if_set = ee ? ee->if_set : TRUE;
-
+       cdd->editable = ee ? ee->editable : FALSE;
+       
        cdd->gd = gd = generic_dialog_new(ee ? _("Configure entry") : _("Add 
entry"), "exif_entry_edit",
                                widget, TRUE,
                                bar_pane_exif_edit_cancel_cb, cdd);
@@ -480,6 +564,7 @@
        gtk_widget_show(cdd->title_entry);
 
        pref_checkbox_new_int(gd->vbox, _("Show only if set"), cdd->if_set, 
&cdd->if_set);
+       pref_checkbox_new_int(gd->vbox, _("Editable (supported only for XMP)"), 
cdd->editable, &cdd->editable);
 
        gtk_widget_show(gd->dialog);
 }
@@ -544,6 +629,8 @@
        return FALSE;
 } 
 
+
+
 static void bar_pane_exif_entry_write_config(GtkWidget *entry, GString 
*outstr, gint indent)
 {
        ExifEntry *ee = g_object_get_data(G_OBJECT(entry), "entry_data");
@@ -554,6 +641,7 @@
        WRITE_CHAR(*ee, key);
        if (!ee->auto_title) WRITE_CHAR(*ee, title);
        WRITE_BOOL(*ee, if_set);
+       WRITE_BOOL(*ee, editable);
        indent--;
        WRITE_STRING("/>\n");
 }
@@ -632,6 +720,7 @@
 
        ped->pane.pane_set_fd = bar_pane_exif_set_fd;
        ped->pane.pane_write_config = bar_pane_exif_write_config;
+       ped->pane.pane_event = bar_pane_exif_event;
        ped->pane.title = bar_pane_expander_title(title);
        ped->pane.expanded = expanded;
 
@@ -657,26 +746,26 @@
 
        if (populate)
                {
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Camera"), NULL, 
TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("DateTime"), NULL, 
TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ShutterSpeed"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Aperture"), NULL, 
TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ExposureBias"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ISOSpeedRating"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("FocalLength"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, 
EXIF_FORMATTED("FocalLength35mmFilm"), NULL, TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Flash"), NULL, 
TRUE);
-               bar_pane_exif_add_entry(ped, "Exif.Photo.ExposureProgram", 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, "Exif.Photo.MeteringMode", NULL, 
TRUE);
-               bar_pane_exif_add_entry(ped, "Exif.Photo.LightSource", NULL, 
TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ColorProfile"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("SubjectDistance"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Resolution"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, "Exif.Image.Orientation", NULL, 
TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("GPSPosition"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("GPSAltitude"), 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, "Exif.Image.ImageDescription", 
NULL, TRUE);
-               bar_pane_exif_add_entry(ped, "Exif.Image.Copyright", NULL, 
TRUE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Camera"), NULL, 
TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("DateTime"), NULL, 
TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ShutterSpeed"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Aperture"), NULL, 
TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ExposureBias"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ISOSpeedRating"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("FocalLength"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, 
EXIF_FORMATTED("FocalLength35mmFilm"), NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Flash"), NULL, 
TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, "Exif.Photo.ExposureProgram", 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, "Exif.Photo.MeteringMode", NULL, 
TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, "Exif.Photo.LightSource", NULL, 
TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("ColorProfile"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("SubjectDistance"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("Resolution"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, "Exif.Image.Orientation", NULL, 
TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("GPSPosition"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, EXIF_FORMATTED("GPSAltitude"), 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, "Exif.Image.ImageDescription", 
NULL, TRUE, FALSE);
+               bar_pane_exif_add_entry(ped, "Exif.Image.Copyright", NULL, 
TRUE, FALSE);
                }
        
        gtk_widget_show(ped->widget);
@@ -709,6 +798,7 @@
        gchar *key = NULL;
        gchar *title = NULL;
        gboolean if_set = TRUE;
+       gboolean editable = FALSE;
 
        ped = g_object_get_data(G_OBJECT(pane), "pane_data");
        if (!ped) return;
@@ -721,11 +811,12 @@
                if (READ_CHAR_FULL("key", key)) continue;
                if (READ_CHAR_FULL("title", title)) continue;
                if (READ_BOOL_FULL("if_set", if_set)) continue;
+               if (READ_BOOL_FULL("editable", editable)) continue;
                
                DEBUG_1("unknown attribute %s = %s", option, value);
                }
        
-       if (key && key[0]) bar_pane_exif_add_entry(ped, key, title, if_set);
+       if (key && key[0]) bar_pane_exif_add_entry(ped, key, title, if_set, 
editable);
 }
 
 


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