qulogic/talkatu

Add in tooltip support for links. Position is a bit weird, not sure how to address it

2019-07-13, Gary Kramlich
ffe4a049963e
Parents e10028a8caee
Children 6db3b87f0e8a
Add in tooltip support for links. Position is a bit weird, not sure how to address it
1 files changed, 73 insertions(+), 14 deletions(-)
  • +73 -14
    talkatu/talkatuview.c
    • --- a/talkatu/talkatuview.c Sat Jul 13 09:38:57 2019 -0500
    +++ b/talkatu/talkatuview.c Sat Jul 13 10:02:45 2019 -0500
    @@ -78,6 +78,30 @@
    G_DEFINE_TYPE_WITH_PRIVATE(TalkatuView, talkatu_view, GTK_TYPE_TEXT_VIEW)
    /******************************************************************************
    + * Helpers
    + *****************************************************************************/
    +static gchar *
    +talkatu_view_url_from_iter(TalkatuView *view, GtkTextIter *iter) {
    + GSList *tags = NULL, *tag = NULL;
    + gchar *url = NULL;
    +
    + tags = gtk_text_iter_get_tags(iter);
    + for(tag = tags; tag != NULL; tag = tag->next) {
    + if(tag->data == NULL) {
    + continue;
    + }
    +
    + url = g_object_get_data(G_OBJECT(tag->data), "talkatu-anchor-url");
    + if(url != NULL) {
    + break;
    + }
    + }
    + g_slist_free(tags);
    +
    + return url;
    +}
    +
    +/******************************************************************************
    * Callbacks
    *****************************************************************************/
    static void
    @@ -117,22 +141,9 @@
    } else if(event_type == GDK_BUTTON_RELEASE) {
    GdkEventButton *event_button = (GdkEventButton *)event;
    TalkatuView *view = TALKATU_VIEW(object);
    - GSList *tags = NULL, *tag = NULL;
    gchar *url;
    - /* walk through the tags here and look for the tag that has the url */
    - tags = gtk_text_iter_get_tags(iter);
    - for(tag = tags; tag != NULL; tag = tag->next) {
    - if(tag->data == NULL) {
    - continue;
    - }
    -
    - url = g_object_get_data(G_OBJECT(tag->data), "talkatu-anchor-url");
    - if(url != NULL) {
    - break;
    - }
    - }
    - g_slist_free(tags);
    + url = talkatu_view_url_from_iter(view, iter);
    /* if we didn't find a url, bail */
    if(url == NULL) {
    @@ -326,6 +337,48 @@
    }
    }
    +static gboolean
    +talkatu_view_query_tooltip(GtkWidget *widget,
    + gint x,
    + gint y,
    + gboolean keyboard,
    + GtkTooltip *tooltip)
    +{
    + GtkTextIter iter;
    + gchar *url = NULL;
    + gint adj_x, adj_y;
    +
    + if(keyboard) {
    + return GTK_WIDGET_CLASS(talkatu_view_parent_class)->query_tooltip(widget, x, y, keyboard, tooltip);
    + }
    +
    + /* convert the window coordinates to match whats visible */
    + gtk_text_view_window_to_buffer_coords(
    + GTK_TEXT_VIEW(widget),
    + GTK_TEXT_WINDOW_TEXT,
    + x, y,
    + &adj_x, &adj_y
    + );
    +
    + /* now find the iter for what we're at */
    + gtk_text_view_get_iter_at_location(
    + GTK_TEXT_VIEW(widget),
    + &iter,
    + adj_x,
    + adj_y
    + );
    +
    + /* look for a url, if we have one, add it to tooltip */
    + url = talkatu_view_url_from_iter(TALKATU_VIEW(widget), &iter);
    + if(url != NULL) {
    + gtk_tooltip_set_text(tooltip, url);
    +
    + return TRUE;
    + }
    +
    + return GTK_WIDGET_CLASS(talkatu_view_parent_class)->query_tooltip(widget, x, y, keyboard, tooltip);
    +}
    +
    /******************************************************************************
    * GObject Stuff
    *****************************************************************************/
    @@ -361,6 +414,11 @@
    talkatu_view_init(TalkatuView *view) {
    TalkatuViewPrivate *priv = talkatu_view_get_instance_private(view);
    + /* tell the widest class that we support tooltips. This is used to show
    + * link targets, and probably other stuff at some point.
    + */
    + gtk_widget_set_has_tooltip(GTK_WIDGET(view), TRUE);
    +
    /* set our event mask for the signals we care about */
    gtk_widget_set_events(
    GTK_WIDGET(view),
    @@ -401,6 +459,7 @@
    obj_class->set_property = talkatu_view_set_property;
    widget_class->popup_menu = talkatu_view_popup_menu;
    + widget_class->query_tooltip = talkatu_view_query_tooltip;
    /* add our default signal handlers */
    klass->format_activate = talkatu_view_format_activate;