LibGUI+LibGfx: Let Desktop::the() set widget effects

Scrolling can now be set Coarse or Smooth system-wide, Splitter
knurls and Tab accents toggled on and off, and Menu flashing
disabled.

Userland/Libraries/LibGUI/Scrollbar.cpp

@@ -6,6 +6,7 @@
  */
 
 #include <LibCore/Timer.h>
+#include <LibGUI/Desktop.h>
 #include <LibGUI/Painter.h>
 #include <LibGUI/Scrollbar.h>
 #include <LibGfx/CharacterBitmap.h>
@@ -98,15 +99,15 @@ void Scrollbar::set_value(int value, AllowCallback allow_callback, DoClamp do_cl
 
 void Scrollbar::set_target_value(int new_target_value)
 {
-    if (m_scroll_animation == Animation::CoarseScroll)
-        return set_value(new_target_value);
-
     new_target_value = clamp(new_target_value, min(), max());
 
     // If we are already at or scrolling to the new target then don't touch anything
     if (m_target_value == new_target_value)
         return;
 
+    if (m_scroll_animation == Animation::CoarseScroll || !Desktop::the().system_effects().smooth_scrolling())
+        return set_value(new_target_value);
+
     m_animation_time_elapsed = 0;
     m_start_value = value();
     m_target_value = new_target_value;

Userland/Libraries/LibGUI/Splitter.cpp

@@ -6,6 +6,7 @@
  */
 
 #include <LibGUI/BoxLayout.h>
+#include <LibGUI/Desktop.h>
 #include <LibGUI/Painter.h>
 #include <LibGUI/Splitter.h>
 #include <LibGUI/UIDimensions.h>
@@ -60,12 +61,14 @@ void Splitter::paint_event(PaintEvent& event)
             auto& rect = grabbable.paint_rect;
             int primary = rect.center().primary_offset_for_orientation(m_orientation) - 1;
             int secondary = rect.center().secondary_offset_for_orientation(m_orientation) - (total_knurling_width / 2) + (i * (knurl_width + knurl_spacing));
+            if (Desktop::the().system_effects().splitter_knurls()) {
                 if (m_orientation == Gfx::Orientation::Vertical)
                     paint_knurl(secondary, primary);
                 else
                     paint_knurl(primary, secondary);
             }
         }
+    }
 }
 
 void Splitter::resize_event(ResizeEvent& event)

Userland/Libraries/LibGUI/TabWidget.cpp

@@ -10,6 +10,7 @@
 #include <AK/GenericShorthands.h>
 #include <AK/JsonValue.h>
 #include <LibGUI/BoxLayout.h>
+#include <LibGUI/Desktop.h>
 #include <LibGUI/Painter.h>
 #include <LibGUI/TabWidget.h>
 #include <LibGUI/Window.h>
@@ -256,12 +257,14 @@ void TabWidget::paint_event(PaintEvent& event)
         text_rect.intersect(button_rect);
     };
 
+    bool accented = Desktop::the().system_effects().tab_accents();
+
     for (size_t i = 0; i < m_tabs.size(); ++i) {
         if (m_tabs[i].widget == m_active_widget)
             continue;
         bool hovered = i == m_hovered_tab_index;
         auto button_rect = this->button_rect(i);
-        Gfx::StylePainter::paint_tab_button(painter, button_rect, palette(), false, hovered, m_tabs[i].widget->is_enabled(), m_tab_position, window()->is_active());
+        Gfx::StylePainter::paint_tab_button(painter, button_rect, palette(), false, hovered, m_tabs[i].widget->is_enabled(), m_tab_position, window()->is_active(), accented);
 
         auto tab_button_content_rect = button_rect.shrunken(8, 0);
 
@@ -304,7 +307,7 @@ void TabWidget::paint_event(PaintEvent& event)
         }
 
         auto tab_button_content_rect = button_rect.shrunken(8, 0);
-        Gfx::StylePainter::paint_tab_button(painter, button_rect, palette(), true, hovered, m_tabs[i].widget->is_enabled(), m_tab_position, window()->is_active());
+        Gfx::StylePainter::paint_tab_button(painter, button_rect, palette(), true, hovered, m_tabs[i].widget->is_enabled(), m_tab_position, window()->is_active(), accented);
 
         paint_tab_icon_if_needed(m_tabs[i].icon, button_rect, tab_button_content_rect);
         tab_button_content_rect.set_width(tab_button_content_rect.width() - (m_close_button_enabled ? 16 : 0));

Userland/Libraries/LibGUI/Window.cpp

@@ -1234,6 +1234,8 @@ Menu& Window::add_menu(String name)
 
 void Window::flash_menubar_menu_for(MenuItem const& menu_item)
 {
+    if (!Desktop::the().system_effects().flash_menus())
+        return;
     auto menu_id = menu_item.menu_id();
     if (menu_id < 0)
         return;

Userland/Libraries/LibGfx/ClassicStylePainter.cpp

@@ -18,7 +18,7 @@
 
 namespace Gfx {
 
-void ClassicStylePainter::paint_tab_button(Painter& painter, IntRect const& rect, Palette const& palette, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window)
+void ClassicStylePainter::paint_tab_button(Painter& painter, IntRect const& rect, Palette const& palette, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window, bool accented)
 {
     Color base_color = palette.button();
     Color highlight_color2 = palette.threed_highlight();
@@ -41,7 +41,7 @@ void ClassicStylePainter::paint_tab_button(Painter& painter, IntRect const& rect
         painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 1 }, base_color);
 
         // Top line
-        if (active) {
+        if (active && accented) {
             painter.draw_line({ 3, 0 }, { rect.width() - 3, 0 }, accent.darkened());
             painter.fill_rect_with_gradient({ 1, 1, rect.width() - 2, 2 }, accent, accent.lightened(1.5f));
             painter.set_pixel({ 2, 0 }, highlight_color2);
@@ -63,7 +63,7 @@ void ClassicStylePainter::paint_tab_button(Painter& painter, IntRect const& rect
         painter.fill_rect({ 0, 0, rect.width() - 1, rect.height() }, base_color);
 
         // Bottom line
-        if (active) {
+        if (active && accented) {
             painter.fill_rect_with_gradient({ 1, rect.height() - 3, rect.width() - 2, 2 }, accent, accent.lightened(1.5f));
             painter.draw_line({ 2, rect.height() - 1 }, { rect.width() - 3, rect.height() - 1 }, accent.darkened());
         } else {
@@ -86,7 +86,7 @@ void ClassicStylePainter::paint_tab_button(Painter& painter, IntRect const& rect
         painter.draw_line({ 2, rect.height() - 1 }, { rect.width(), rect.height() - 1 }, shadow_color2);
 
         // If the tab is active, draw the accent line
-        if (active) {
+        if (active && accented) {
             painter.fill_rect_with_gradient({ 1, 1, 2, rect.height() - 2 }, accent, accent.lightened(1.5f));
             painter.draw_line({ 0, 2 }, { 0, rect.height() - 3 }, accent.darkened());
         } else {
@@ -105,7 +105,7 @@ void ClassicStylePainter::paint_tab_button(Painter& painter, IntRect const& rect
         painter.draw_line({ 0, rect.height() - 1 }, { rect.width() - 2, rect.height() - 1 }, shadow_color2);
 
         // If the tab is active, draw the accent line
-        if (active) {
+        if (active && accented) {
             painter.fill_rect_with_gradient({ rect.width() - 2, 1, 2, rect.height() - 2 }, accent.lightened(1.5f), accent);
             painter.draw_line({ rect.width(), 2 }, { rect.width(), rect.height() - 3 }, accent.darkened());
         } else {

Userland/Libraries/LibGfx/ClassicStylePainter.h

@@ -16,7 +16,7 @@ namespace Gfx {
 class ClassicStylePainter : public BaseStylePainter {
 public:
     virtual void paint_button(Painter&, IntRect const&, Palette const&, ButtonStyle, bool pressed, bool hovered = false, bool checked = false, bool enabled = true, bool focused = false, bool default_button = false) override;
-    virtual void paint_tab_button(Painter&, IntRect const&, Palette const&, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window) override;
+    virtual void paint_tab_button(Painter&, IntRect const&, Palette const&, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window, bool accented) override;
     virtual void paint_frame(Painter&, IntRect const&, Palette const&, FrameShape, FrameShadow, int thickness, bool skip_vertical_lines = false) override;
     virtual void paint_window_frame(Painter&, IntRect const&, Palette const&) override;
     virtual void paint_progressbar(Painter&, IntRect const&, Palette const&, int min, int max, int value, StringView text, Orientation = Orientation::Horizontal) override;

Userland/Libraries/LibGfx/StylePainter.cpp

@@ -18,9 +18,9 @@ BaseStylePainter& StylePainter::current()
     return style;
 }
 
-void StylePainter::paint_tab_button(Painter& painter, IntRect const& rect, Palette const& palette, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window)
+void StylePainter::paint_tab_button(Painter& painter, IntRect const& rect, Palette const& palette, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window, bool accented)
 {
-    current().paint_tab_button(painter, rect, palette, active, hovered, enabled, position, in_active_window);
+    current().paint_tab_button(painter, rect, palette, active, hovered, enabled, position, in_active_window, accented);
 }
 
 void StylePainter::paint_button(Painter& painter, IntRect const& rect, Palette const& palette, ButtonStyle button_style, bool pressed, bool hovered, bool checked, bool enabled, bool focused, bool default_button)

Userland/Libraries/LibGfx/StylePainter.h

@@ -38,7 +38,7 @@ public:
     virtual ~BaseStylePainter() = default;
 
     virtual void paint_button(Painter&, IntRect const&, Palette const&, ButtonStyle, bool pressed, bool hovered = false, bool checked = false, bool enabled = true, bool focused = false, bool default_button = false) = 0;
-    virtual void paint_tab_button(Painter&, IntRect const&, Palette const&, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window) = 0;
+    virtual void paint_tab_button(Painter&, IntRect const&, Palette const&, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window, bool accented) = 0;
     virtual void paint_frame(Painter&, IntRect const&, Palette const&, FrameShape, FrameShadow, int thickness, bool skip_vertical_lines = false) = 0;
     virtual void paint_window_frame(Painter&, IntRect const&, Palette const&) = 0;
     virtual void paint_progressbar(Painter&, IntRect const&, Palette const&, int min, int max, int value, StringView text, Orientation = Orientation::Horizontal) = 0;
@@ -57,7 +57,7 @@ public:
 
     // FIXME: These are here for API compatibility, we should probably remove them and move BaseStylePainter into here
     static void paint_button(Painter&, IntRect const&, Palette const&, ButtonStyle, bool pressed, bool hovered = false, bool checked = false, bool enabled = true, bool focused = false, bool default_button = false);
-    static void paint_tab_button(Painter&, IntRect const&, Palette const&, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window);
+    static void paint_tab_button(Painter&, IntRect const&, Palette const&, bool active, bool hovered, bool enabled, GUI::TabWidget::TabPosition position, bool in_active_window, bool accented);
     static void paint_frame(Painter&, IntRect const&, Palette const&, FrameShape, FrameShadow, int thickness, bool skip_vertical_lines = false);
     static void paint_window_frame(Painter&, IntRect const&, Palette const&);
     static void paint_progressbar(Painter&, IntRect const&, Palette const&, int min, int max, int value, StringView text, Orientation = Orientation::Horizontal);