diff options
| -rw-r--r-- | scene/gui/tab_bar.cpp | 179 |
1 files changed, 108 insertions, 71 deletions
diff --git a/scene/gui/tab_bar.cpp b/scene/gui/tab_bar.cpp index 92da169487..bd823d12ed 100644 --- a/scene/gui/tab_bar.cpp +++ b/scene/gui/tab_bar.cpp @@ -147,6 +147,7 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) { if (scrolling_enabled && buttons_visible) { if (offset > 0) { offset--; + _update_cache(); update(); } } @@ -154,9 +155,9 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) { if (mb->is_pressed() && mb->get_button_index() == MouseButton::WHEEL_DOWN && !mb->is_command_pressed()) { if (scrolling_enabled && buttons_visible) { - if (missing_right) { + if (missing_right && offset < tabs.size()) { offset++; - _ensure_no_over_offset(); // Avoid overreaching when scrolling fast. + _update_cache(); update(); } } @@ -194,12 +195,14 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) { if (pos.x < decr->get_width()) { if (missing_right) { offset++; + _update_cache(); update(); } return; } else if (pos.x < incr->get_width() + decr->get_width()) { if (offset > 0) { offset--; + _update_cache(); update(); } return; @@ -209,12 +212,14 @@ void TabBar::gui_input(const Ref<InputEvent> &p_event) { if (pos.x > limit + decr->get_width()) { if (missing_right) { offset++; + _update_cache(); update(); } return; } else if (pos.x > limit) { if (offset > 0) { offset--; + _update_cache(); update(); } return; @@ -294,7 +299,10 @@ void TabBar::_notification(int p_what) { ensure_tab_visible(current); } break; case NOTIFICATION_DRAW: { - _update_cache(); + if (tabs.is_empty()) { + return; + } + RID ci = get_canvas_item(); Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected")); @@ -304,46 +312,22 @@ void TabBar::_notification(int p_what) { Color font_unselected_color = get_theme_color(SNAME("font_unselected_color")); Color font_disabled_color = get_theme_color(SNAME("font_disabled_color")); Ref<Texture2D> close = get_theme_icon(SNAME("close")); - Color font_outline_color = get_theme_color(SNAME("font_outline_color")); - int outline_size = get_theme_constant(SNAME("outline_size")); - - Vector2 size = get_size(); - bool rtl = is_layout_rtl(); - - int h = get_size().height; - int w = 0; - int mw = 0; - - for (int i = 0; i < tabs.size(); i++) { - tabs.write[i].ofs_cache = mw; - mw += get_tab_width(i); - } - - if (tab_alignment == ALIGNMENT_CENTER) { - w = (get_size().width - mw) / 2; - } else if (tab_alignment == ALIGNMENT_RIGHT) { - w = get_size().width - mw; - } - - if (w < 0) { - w = 0; - } - Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); Ref<Texture2D> incr_hl = get_theme_icon(SNAME("increment_highlight")); Ref<Texture2D> decr_hl = get_theme_icon(SNAME("decrement_highlight")); + Color font_outline_color = get_theme_color(SNAME("font_outline_color")); + int outline_size = get_theme_constant(SNAME("outline_size")); + Vector2 size = get_size(); + bool rtl = is_layout_rtl(); int limit = get_size().width; - int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width(); - - missing_right = false; - - for (int i = offset; i < tabs.size(); i++) { - tabs.write[i].ofs_cache = w; + int limit_minus_buttons = limit - incr->get_width() - decr->get_width(); - int lsize = tabs[i].size_cache; + int h = get_size().height; + int w = tabs[offset].ofs_cache; + for (int i = offset; i <= max_drawn_tab; i++) { Ref<StyleBox> sb; Color col; @@ -358,15 +342,6 @@ void TabBar::_notification(int p_what) { col = font_unselected_color; } - int new_width = w + lsize; - if (new_width > limit || (i < tabs.size() - 1 && new_width > limit_minus_buttons)) { // For the last tab, we accept if the tab covers the buttons. - max_drawn_tab = i - 1; - missing_right = true; - break; - } else { - max_drawn_tab = i; - } - Rect2 sb_rect; if (rtl) { sb_rect = Rect2(size.width - w - tabs[i].size_cache, 0, tabs[i].size_cache, h); @@ -501,10 +476,6 @@ void TabBar::_notification(int p_what) { draw_texture(incr, Point2(limit_minus_buttons + decr->get_size().width, vofs), Color(1, 1, 1, 0.5)); } } - - buttons_visible = true; - } else { - buttons_visible = false; } } break; } @@ -513,6 +484,7 @@ void TabBar::_notification(int p_what) { void TabBar::set_tab_count(int p_count) { ERR_FAIL_COND(p_count < 0); tabs.resize(p_count); + _update_cache(); update(); notify_property_list_changed(); } @@ -560,6 +532,7 @@ void TabBar::set_tab_title(int p_tab, const String &p_title) { ERR_FAIL_INDEX(p_tab, tabs.size()); tabs.write[p_tab].text = p_title; _shape(p_tab); + _update_cache(); update(); update_minimum_size(); } @@ -588,6 +561,7 @@ void TabBar::clear_tab_opentype_features(int p_tab) { ERR_FAIL_INDEX(p_tab, tabs.size()); tabs.write[p_tab].opentype_features.clear(); _shape(p_tab); + _update_cache(); update(); } @@ -597,6 +571,7 @@ void TabBar::set_tab_opentype_feature(int p_tab, const String &p_name, int p_val if (!tabs[p_tab].opentype_features.has(tag) || (int)tabs[p_tab].opentype_features[tag] != p_value) { tabs.write[p_tab].opentype_features[tag] = p_value; _shape(p_tab); + _update_cache(); update(); } } @@ -627,6 +602,7 @@ String TabBar::get_tab_language(int p_tab) const { void TabBar::set_tab_icon(int p_tab, const Ref<Texture2D> &p_icon) { ERR_FAIL_INDEX(p_tab, tabs.size()); tabs.write[p_tab].icon = p_icon; + _update_cache(); update(); update_minimum_size(); } @@ -698,33 +674,43 @@ void TabBar::_update_hover() { } void TabBar::_update_cache() { + if (tabs.is_empty()) { + return; + } + Ref<StyleBox> tab_disabled = get_theme_stylebox(SNAME("tab_disabled")); Ref<StyleBox> tab_unselected = get_theme_stylebox(SNAME("tab_unselected")); Ref<StyleBox> tab_selected = get_theme_stylebox(SNAME("tab_selected")); Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); - int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width(); + + int limit = get_size().width; + int limit_minus_buttons = limit - incr->get_width() - decr->get_width(); int w = 0; int mw = 0; int size_fixed = 0; int count_resize = 0; + for (int i = 0; i < tabs.size(); i++) { - tabs.write[i].ofs_cache = mw; + tabs.write[i].ofs_cache = 0; tabs.write[i].size_cache = get_tab_width(i); tabs.write[i].size_text = Math::ceil(tabs[i].text_buf->get_size().x); tabs.write[i].text_buf->set_width(-1); mw += tabs[i].size_cache; + if (tabs[i].size_cache <= min_width || i == current) { size_fixed += tabs[i].size_cache; } else { count_resize++; } } + int m_width = min_width; if (count_resize > 0) { m_width = MAX((limit_minus_buttons - size_fixed) / count_resize, min_width); } + for (int i = offset; i < tabs.size(); i++) { Ref<StyleBox> sb; if (tabs[i].disabled) { @@ -734,11 +720,13 @@ void TabBar::_update_cache() { } else { sb = tab_unselected; } + int lsize = tabs[i].size_cache; int slen = tabs[i].size_text; if (min_width > 0 && mw > limit_minus_buttons && i != current) { if (lsize > m_width) { slen = m_width - (sb->get_margin(SIDE_LEFT) + sb->get_margin(SIDE_RIGHT)); + if (tabs[i].icon.is_valid()) { slen -= tabs[i].icon->get_width(); slen -= get_theme_constant(SNAME("hseparation")); @@ -748,15 +736,52 @@ void TabBar::_update_cache() { slen -= cb->get_width(); slen -= get_theme_constant(SNAME("hseparation")); } + slen = MAX(slen, 1); lsize = m_width; } } + tabs.write[i].ofs_cache = w; tabs.write[i].size_cache = lsize; tabs.write[i].size_text = slen; tabs.write[i].text_buf->set_width(slen); + w += lsize; + max_drawn_tab = i; + + // Check if all tabs would fit inside the area. + if (i > offset && (w > limit || (offset > 0 && w > limit_minus_buttons))) { + w -= get_tab_width(i); + max_drawn_tab -= 1; + + while (w > limit_minus_buttons && max_drawn_tab > offset) { + w -= get_tab_width(max_drawn_tab); + max_drawn_tab -= 1; + } + + break; + } + } + + missing_right = max_drawn_tab < tabs.size() - 1; + buttons_visible = offset > 0 || missing_right; + + if (tab_alignment == ALIGNMENT_LEFT) { + return; + } else if (tab_alignment == ALIGNMENT_CENTER) { + w = ((buttons_visible ? limit_minus_buttons : limit) - w) / 2; + } else if (tab_alignment == ALIGNMENT_RIGHT) { + w = (buttons_visible ? limit_minus_buttons : limit) - w; + } + + if (w < 0) { + w = 0; + } + + for (int i = offset; i <= max_drawn_tab; i++) { + tabs.write[i].ofs_cache = w; + w += tabs.write[i].size_cache; } } @@ -916,10 +941,10 @@ void TabBar::drop_data(const Point2 &p_point, const Variant &p_data) { set_current_tab(hover_now); emit_signal(SNAME("tab_changed"), hover_now); _update_cache(); + update(); } } } - update(); } int TabBar::get_tab_idx_at_point(const Point2 &p_point) const { @@ -937,6 +962,7 @@ int TabBar::get_tab_idx_at_point(const Point2 &p_point) const { void TabBar::set_tab_alignment(AlignmentMode p_alignment) { ERR_FAIL_INDEX(p_alignment, ALIGNMENT_MAX); tab_alignment = p_alignment; + _update_cache(); update(); } @@ -949,6 +975,7 @@ void TabBar::set_clip_tabs(bool p_clip_tabs) { return; } clip_tabs = p_clip_tabs; + _update_cache(); update(); update_minimum_size(); } @@ -1017,64 +1044,73 @@ int TabBar::get_tab_width(int p_idx) const { } void TabBar::_ensure_no_over_offset() { - if (!is_inside_tree()) { + if (!is_inside_tree() || !buttons_visible) { return; } Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); - - int limit = get_size().width; int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width(); + int prev_offset = offset; + + int total_w = tabs[max_drawn_tab].ofs_cache + tabs[max_drawn_tab].size_cache - tabs[offset].ofs_cache; while (offset > 0) { - int total_w = 0; - for (int i = offset - 1; i < tabs.size(); i++) { - total_w += tabs[i].size_cache; - } + total_w += tabs[offset - 1].size_cache; - if ((buttons_visible && total_w < limit_minus_buttons) || total_w < limit) { // For the last tab, we accept if the tab covers the buttons. + if (total_w < limit_minus_buttons) { offset--; - update(); } else { break; } } -} -void TabBar::ensure_tab_visible(int p_idx) { - if (!is_inside_tree()) { - return; + if (prev_offset != offset) { + _update_cache(); + update(); } +} - if (tabs.size() == 0) { +void TabBar::ensure_tab_visible(int p_idx) { + if (!is_inside_tree() || !buttons_visible) { return; } ERR_FAIL_INDEX(p_idx, tabs.size()); - if (p_idx == offset) { + if (p_idx >= offset && p_idx <= max_drawn_tab) { return; } + if (p_idx < offset) { offset = p_idx; + _update_cache(); update(); + return; } - int prev_offset = offset; Ref<Texture2D> incr = get_theme_icon(SNAME("increment")); Ref<Texture2D> decr = get_theme_icon(SNAME("decrement")); - int limit = get_size().width; int limit_minus_buttons = get_size().width - incr->get_width() - decr->get_width(); - for (int i = offset; i <= p_idx; i++) { - int total_w = tabs[i].ofs_cache + tabs[i].size_cache; - if (total_w > limit || (buttons_visible && total_w > limit_minus_buttons)) { + int total_w = tabs[max_drawn_tab].ofs_cache - tabs[offset].ofs_cache; + for (int i = max_drawn_tab; i <= p_idx; i++) { + total_w += tabs[i].size_cache; + } + + int prev_offset = offset; + + for (int i = offset; i < p_idx; i++) { + if (total_w > limit_minus_buttons) { + total_w -= tabs[i].size_cache; offset++; + } else { + break; } } if (prev_offset != offset) { + _update_cache(); update(); } } @@ -1091,6 +1127,7 @@ Rect2 TabBar::get_tab_rect(int p_tab) const { void TabBar::set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy) { ERR_FAIL_INDEX(p_policy, CLOSE_BUTTON_MAX); cb_displaypolicy = p_policy; + _update_cache(); update(); } |