summaryrefslogtreecommitdiff
path: root/src/CheckerboardLayout.vala
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff-webhosting.net>2016-08-20 15:09:31 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2016-08-20 15:09:31 +0200
commit143bfc9f801c84428074312d661f8e08803df83b (patch)
tree59a8a447529bd9ce3807aa8bacef861dc5aafd70 /src/CheckerboardLayout.vala
parent29a7aef998e975b42401cfa96d1b750d91eadf06 (diff)
Imported Upstream version 0.23.5upstream/0.23.5
Diffstat (limited to 'src/CheckerboardLayout.vala')
-rw-r--r--src/CheckerboardLayout.vala124
1 files changed, 120 insertions, 4 deletions
diff --git a/src/CheckerboardLayout.vala b/src/CheckerboardLayout.vala
index 032235f..f2acc30 100644
--- a/src/CheckerboardLayout.vala
+++ b/src/CheckerboardLayout.vala
@@ -127,6 +127,9 @@ public abstract class CheckerboardItem : ThumbnailView {
private CheckerboardItemText? subtitle = null;
private bool subtitle_visible = false;
private bool is_cursor = false;
+ private Pango.Alignment tag_alignment = Pango.Alignment.LEFT;
+ private Gee.List<Tag>? user_visible_tag_list = null;
+ private Gee.Collection<Tag> tags;
private Gdk.Pixbuf pixbuf = null;
private Gdk.Pixbuf display_pixbuf = null;
private Gdk.Pixbuf brightened = null;
@@ -154,7 +157,9 @@ public abstract class CheckerboardItem : ThumbnailView {
// (notify_membership_changed) and calculate when the collection's property settings
// are known
}
-
+
+ public bool has_tags { get; private set; }
+
public override string get_name() {
return (title != null) ? title.get_text() : base.get_name();
}
@@ -236,8 +241,58 @@ public abstract class CheckerboardItem : ThumbnailView {
recalc_size("set_comment_visible");
notify_view_altered();
}
-
-
+
+ public void set_tags(Gee.Collection<Tag>? tags,
+ Pango.Alignment alignment = Pango.Alignment.LEFT) {
+ has_tags = (tags != null && tags.size > 0);
+ tag_alignment = alignment;
+ string text;
+ if (has_tags) {
+ this.tags = tags;
+ user_visible_tag_list = Tag.make_user_visible_tag_list(tags);
+ text = Tag.make_tag_markup_string(user_visible_tag_list);
+ } else {
+ text = "<small>.</small>";
+ }
+
+ if (subtitle != null && subtitle.is_set_to(text, true, alignment))
+ return;
+ subtitle = new CheckerboardItemText(text, alignment, true);
+
+ if (subtitle_visible) {
+ recalc_size("set_subtitle");
+ notify_view_altered();
+ }
+ }
+
+ public void clear_tags() {
+ clear_subtitle();
+ has_tags = false;
+ user_visible_tag_list = null;
+ }
+
+ public void highlight_user_visible_tag(int index)
+ requires (user_visible_tag_list != null) {
+ string text = Tag.make_tag_markup_string(user_visible_tag_list, index);
+ subtitle = new CheckerboardItemText(text, tag_alignment, true);
+
+ if (subtitle_visible)
+ notify_view_altered();
+ }
+
+ public Tag get_user_visible_tag(int index)
+ requires (index >= 0 && index < user_visible_tag_list.size) {
+ return user_visible_tag_list.get(index);
+ }
+
+ public Pango.Layout? get_tag_list_layout() {
+ return has_tags ? subtitle.get_pango_layout() : null;
+ }
+
+ public Gdk.Rectangle get_subtitle_allocation() {
+ return subtitle.allocation;
+ }
+
public string get_subtitle() {
return (subtitle != null) ? subtitle.get_text() : "";
}
@@ -1182,7 +1237,68 @@ public class CheckerboardLayout : Gtk.DrawingArea {
return null;
}
-
+
+ public static int get_tag_index_at_pos(string tag_list, int pos) {
+ int sep_len = Tag.TAG_LIST_SEPARATOR_STRING.length;
+ assert (sep_len > 0);
+ int len = tag_list.length;
+ if (pos < 0 || pos >= len)
+ return -1;
+
+ // check if we're hovering on a separator
+ for (int i = 0; i < sep_len; ++i) {
+ if (tag_list[pos] == Tag.TAG_LIST_SEPARATOR_STRING[i] && pos >= i) {
+ if (tag_list.substring(pos - i, sep_len) == Tag.TAG_LIST_SEPARATOR_STRING)
+ return -1;
+ }
+ }
+
+ // Determine the tag index by counting the number of separators before
+ // the requested position. This only works if the separator string
+ // contains the delimiter used to delimit tags (i.e. the comma `,'.)
+ int index = 0;
+ for (int i = 0; i < pos; ++i) {
+ if (tag_list[i] == Tag.TAG_LIST_SEPARATOR_STRING[0] &&
+ i + sep_len <= len &&
+ tag_list.substring(i, sep_len) == Tag.TAG_LIST_SEPARATOR_STRING) {
+ ++index;
+ i += sep_len - 1;
+ }
+ }
+ return index;
+ }
+
+ private int internal_handle_tag_mouse_event(CheckerboardItem item, int x, int y) {
+ Pango.Layout? layout = item.get_tag_list_layout();
+ if (layout == null)
+ return -1;
+ Gdk.Rectangle rect = item.get_subtitle_allocation();
+ int index, trailing;
+ int px = (x - rect.x) * Pango.SCALE;
+ int py = (y - rect.y) * Pango.SCALE;
+ if (layout.xy_to_index(px, py, out index, out trailing))
+ return get_tag_index_at_pos(layout.get_text(), index);
+ return -1;
+ }
+
+ public bool handle_mouse_motion(CheckerboardItem item, int x, int y, Gdk.ModifierType mask) {
+ if (!item.has_tags || is_drag_select_active())
+ return false;
+ int tag_index = internal_handle_tag_mouse_event(item, x, y);
+ item.highlight_user_visible_tag(tag_index);
+ return (tag_index >= 0);
+ }
+
+ public bool handle_left_click(CheckerboardItem item, double xd, double yd, Gdk.ModifierType mask) {
+ int tag_index = internal_handle_tag_mouse_event(item, (int)Math.round(xd), (int)Math.round(yd));
+ if (tag_index >= 0) {
+ Tag tag = item.get_user_visible_tag(tag_index);
+ LibraryWindow.get_app().switch_to_tag(tag);
+ return true;
+ }
+ return false;
+ }
+
public Gee.List<CheckerboardItem> get_visible_items() {
return intersection(visible_page);
}