Changeset a5bbf0a72a201aae5e5de00f6a99c64591c0dd80

Timestamp:

01/04/09 21:49:36 (4 years ago)

Author:

Armin Burgmeier <armin@…>

Parents:

a9b75ca3a13948c179138e53520bf0e2a5a092f9

Children:

582a477ada10ccfcd67c43b50b81318dcdfffd12

git-committer:

Armin Burgmeier <armin@arbur.net> / 2009-01-04T21:49:36Z+0100

Message:

Show tooltip when hovering text

2009-01-04 Armin Burgmeier <armin@…>

• code/core/docwindow.hpp:
• code/core/docwindow.cpp: Show a tooltip when hovering over text, saying what user wrote the hovered text.

Files:

• ChangeLog (modified) (1 diff)
• code/core/docwindow.cpp (modified) (2 diffs)
• code/core/docwindow.hpp (modified) (1 diff)

ChangeLog

@@ +1 @@
+2009-01-04  Armin Burgmeier  <armin@arbur.net>
+
+        * code/core/docwindow.hpp:
+        * code/core/docwindow.cpp: Show a tooltip when hovering over text,
+        saying what user wrote the hovered text.
+
 2009-01-04  Armin Burgmeier  <armin@arbur.net>
 

code/core/docwindow.cpp

@@ -151 +151 @@
         g_signal_connect(G_OBJECT(table), "tag-added",
                          G_CALLBACK(on_tag_added), this);
+
+        gtk_widget_set_has_tooltip(GTK_WIDGET(m_view), TRUE);
+        g_signal_connect(m_view, "query-tooltip",
+                         G_CALLBACK(on_query_tooltip_static), this);
 
         gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_view),
@@ -525 +529 @@
         }
 }
+
+bool
+Gobby::DocWindow::on_query_tooltip(int x, int y, bool keyboard_mode,
+                                   const Glib::RefPtr<Gtk::Tooltip>& tooltip)
+{
+        if(keyboard_mode) return false;
+
+        int buffer_x, buffer_y;
+        gtk_text_view_window_to_buffer_coords(
+                GTK_TEXT_VIEW(m_view),
+                GTK_TEXT_WINDOW_WIDGET, x, y, &buffer_x, &buffer_y);
+
+        // Pointer is in line number display
+        if(buffer_x < 0) return false;
+
+        // Get the character at the mouse position
+        GtkTextIter iter;
+        int trailing;
+        gtk_text_view_get_iter_at_position(
+                GTK_TEXT_VIEW(m_view), &iter, &trailing, buffer_x, buffer_y);
+
+        // Don't show a tooltip if the character is a newline character */
+        //if(gtk_text_iter_is_end(&iter)) return false;
+        if(gtk_text_iter_ends_line(&iter)) return false;
+
+        // Don't show a tooltip if we are past the end of the line
+        GdkRectangle newline_location;
+        GtkTextIter line_end = iter;
+        gtk_text_iter_forward_to_line_end(&line_end);
+        gtk_text_view_get_iter_location(
+                GTK_TEXT_VIEW(m_view), &line_end, &newline_location);
+
+        if(buffer_x >= newline_location.x &&
+           buffer_y >= newline_location.y)
+        {
+                return false;
+        }
+
+        InfTextGtkBuffer* buffer = INF_TEXT_GTK_BUFFER(
+                inf_session_get_buffer(INF_SESSION(m_session)));
+
+        InfTextUser* author = inf_text_gtk_buffer_get_author(buffer, &iter);
+        if(author != NULL)
+        {
+                tooltip->set_markup(Glib::ustring::compose(
+                        _("Text written by <b>%1</b>"),
+                        Glib::Markup::escape_text(
+                                inf_user_get_name(INF_USER(author)))));
+        }
+        else
+        {
+                tooltip->set_text(_("Unowned text"));
+        }
+
+        return true;
+}

code/core/docwindow.hpp

@@ -110 +110 @@
         void on_pref_userlist_width_changed();
 
+        bool on_query_tooltip(int x, int y, bool keyboard_mode,
+                              const Glib::RefPtr<Gtk::Tooltip>& tooltip);
+
+        static gboolean on_query_tooltip_static(GtkWidget* widget, int x,
+                                                int y, gboolean keyboard_mode,
+                                                GtkTooltip* tooltip,
+                                                gpointer user_data)
+        {
+                return static_cast<DocWindow*>(user_data)->on_query_tooltip(
+                        x, y, keyboard_mode, Glib::wrap(tooltip, true));
+        }
+
         InfTextSession* m_session;
         Glib::ustring m_title;