diff options
| -rw-r--r-- | scene/gui/tab_container.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/scene/gui/tab_container.cpp b/scene/gui/tab_container.cpp index 0363dd44c2..4f72b5c6ed 100644 --- a/scene/gui/tab_container.cpp +++ b/scene/gui/tab_container.cpp @@ -143,6 +143,42 @@ void TabContainer::_notification(int p_what) { switch (p_what) { + case NOTIFICATION_RESIZED: { + + Vector<Control *> tabs = _get_tabs(); + int side_margin = get_constant("side_margin"); + Ref<Texture> menu = get_icon("menu"); + Ref<Texture> increment = get_icon("increment"); + Ref<Texture> decrement = get_icon("decrement"); + int header_width = get_size().width - side_margin * 2; + + // Find the width of the header area. + if (popup) + header_width -= menu->get_width(); + if (buttons_visible_cache) + header_width -= increment->get_width() + decrement->get_width(); + if (popup || buttons_visible_cache) + header_width += side_margin; + + // Find the width of all tabs after first_tab_cache. + int all_tabs_width = 0; + for (int i = first_tab_cache; i < tabs.size(); i++) { + int tab_width = _get_tab_width(i); + all_tabs_width += tab_width; + } + + // Check if tabs before first_tab_cache would fit into the header area. + for (int i = first_tab_cache - 1; i >= 0; i--) { + int tab_width = _get_tab_width(i); + + if (all_tabs_width + tab_width > header_width) + break; + + all_tabs_width += tab_width; + first_tab_cache--; + } + } break; + case NOTIFICATION_DRAW: { RID canvas = get_canvas_item(); @@ -197,6 +233,10 @@ void TabContainer::_notification(int p_what) { header_width += side_margin; } + if (!buttons_visible_cache) { + first_tab_cache = 0; + } + // Go through the visible tabs to find the width they occupy. all_tabs_width = 0; Vector<int> tab_widths; |