MouseSettings: Add a tab to change cursor theme

2025-07-26 16:17:45 +00:00 · 2021-08-02 12:14:52 +02:00 · 2021-08-02 12:14:52 +02:00 · 42df4fb2df
commit 42df4fb2df
parent 3597b6eb9d
9 changed files with 388 additions and 76 deletions
--- a/Userland/Applications/MouseSettings/ThemeWidget.cpp
+++ b/Userland/Applications/MouseSettings/ThemeWidget.cpp
@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2021, the SerenityOS developers.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "ThemeWidget.h"
+
+#include <Applications/MouseSettings/ThemeWidgetGML.h>
+#include <LibCore/DirIterator.h>
+#include <LibGUI/Button.h>
+#include <LibGUI/ComboBox.h>
+#include <LibGUI/SortingProxyModel.h>
+#include <LibGUI/TableView.h>
+#include <LibGUI/WindowServerConnection.h>
+
+String MouseCursorModel::column_name(int column_index) const
+{
+    switch (column_index) {
+    case Column::Bitmap:
+        return {};
+    case Column::Name:
+        return "Name";
+    }
+    VERIFY_NOT_REACHED();
+}
+
+GUI::Variant MouseCursorModel::data(GUI::ModelIndex const& index, GUI::ModelRole role) const
+{
+    auto& cursor = m_cursors[index.row()];
+
+    if (role == GUI::ModelRole::Display) {
+        switch (index.column()) {
+        case Column::Bitmap:
+            if (!cursor.bitmap)
+                return {};
+            return *cursor.bitmap;
+        case Column::Name:
+            return cursor.name;
+        }
+        VERIFY_NOT_REACHED();
+    }
+    return {};
+}
+
+void MouseCursorModel::invalidate()
+{
+    if (m_theme_name.is_empty())
+        return;
+
+    m_cursors.clear();
+    Core::DirIterator iterator(String::formatted("/res/cursor-themes/{}", m_theme_name), Core::DirIterator::Flags::SkipDots);
+
+    while (iterator.has_next()) {
+        auto path = iterator.next_full_path();
+        if (path.ends_with(".ini"))
+            continue;
+        if (path.contains("2x"))
+            continue;
+
+        Cursor cursor;
+        cursor.path = move(path);
+        auto filename_split = cursor.path.split('/');
+        cursor.name = filename_split[3];
+
+        // FIXME: Animated cursor bitmaps
+        auto cursor_bitmap = Gfx::Bitmap::try_load_from_file(cursor.path);
+        auto cursor_bitmap_rect = cursor_bitmap->rect();
+        cursor.params = Gfx::CursorParams::parse_from_filename(cursor.name, cursor_bitmap_rect.center()).constrained(*cursor_bitmap);
+        cursor.bitmap = cursor_bitmap->cropped(Gfx::IntRect(Gfx::FloatRect(cursor_bitmap_rect).scaled(1.0 / cursor.params.frames(), 1.0)));
+
+        m_cursors.append(move(cursor));
+    }
+    Model::invalidate();
+}
+
+GUI::Variant ThemeModel::data(GUI::ModelIndex const& index, GUI::ModelRole role) const
+{
+    if (role == GUI::ModelRole::Display) {
+        return m_themes[index.row()];
+    }
+    return {};
+}
+
+void ThemeModel::invalidate()
+{
+    m_themes.clear();
+
+    Core::DirIterator iterator("/res/cursor-themes", Core::DirIterator::Flags::SkipDots);
+
+    while (iterator.has_next()) {
+        auto path = iterator.next_path();
+        if (access(String::formatted("/res/cursor-themes/{}/Config.ini", path).characters(), R_OK) == 0)
+            m_themes.append(path);
+    }
+    Model::invalidate();
+}
+
+ThemeWidget::ThemeWidget()
+{
+    load_from_gml(theme_widget_gml);
+    m_cursors_tableview = find_descendant_of_type_named<GUI::TableView>("cursors_tableview");
+    m_cursors_tableview->set_highlight_selected_rows(true);
+    m_cursors_tableview->set_alternating_row_colors(false);
+    m_cursors_tableview->set_vertical_padding(16);
+    m_cursors_tableview->set_column_headers_visible(false);
+    m_cursors_tableview->set_highlight_key_column(false);
+
+    auto mouse_cursor_model = MouseCursorModel::create();
+    auto sorting_proxy_model = GUI::SortingProxyModel::create(mouse_cursor_model);
+    sorting_proxy_model->set_sort_role(GUI::ModelRole::Display);
+
+    m_cursors_tableview->set_model(sorting_proxy_model);
+    m_cursors_tableview->set_key_column_and_sort_order(MouseCursorModel::Column::Name, GUI::SortOrder::Ascending);
+    m_cursors_tableview->set_column_width(0, 25);
+    m_cursors_tableview->model()->invalidate();
+
+    m_theme_name = GUI::WindowServerConnection::the().get_cursor_theme();
+    mouse_cursor_model->change_theme(m_theme_name);
+
+    m_theme_name_box = find_descendant_of_type_named<GUI::ComboBox>("theme_name_box");
+    m_theme_name_box->on_change = [this, mouse_cursor_model](String const& value, GUI::ModelIndex const&) mutable {
+        m_theme_name = value;
+        mouse_cursor_model->change_theme(m_theme_name);
+    };
+    m_theme_name_box->set_model(ThemeModel::create());
+    m_theme_name_box->model()->invalidate();
+    m_theme_name_box->set_text(m_theme_name);
+}
+
+void ThemeWidget::update_window_server()
+{
+    GUI::WindowServerConnection::the().async_apply_cursor_theme(m_theme_name_box->text());
+}
+
+void ThemeWidget::reset_default_values()
+{
+    m_theme_name_box->set_text("Default");
+    update_window_server();
+}
+
+ThemeWidget::~ThemeWidget()
+{
+}