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125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/SharedBuffer.h>
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#include <LibCore/ConfigFile.h>
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#include <LibGfx/SystemTheme.h>
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namespace Gfx {
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static SystemTheme dummy_theme;
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static const SystemTheme* theme_page = &dummy_theme;
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static RefPtr<SharedBuffer> theme_buffer;
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const SystemTheme& current_system_theme()
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{
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ASSERT(theme_page);
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return *theme_page;
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}
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int current_system_theme_buffer_id()
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{
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ASSERT(theme_buffer);
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return theme_buffer->shbuf_id();
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}
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void set_system_theme(SharedBuffer& buffer)
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{
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theme_buffer = buffer;
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theme_page = (SystemTheme*)theme_buffer->data();
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}
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RefPtr<SharedBuffer> load_system_theme(const String& path)
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{
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auto file = Core::ConfigFile::open(path);
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auto buffer = SharedBuffer::create_with_size(sizeof(SystemTheme));
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auto* data = (SystemTheme*)buffer->data();
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auto get_color = [&](auto& name) {
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auto color_string = file->read_entry("Colors", name);
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auto color = Color::from_string(color_string);
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if (!color.has_value())
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return Color(Color::Black);
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return color.value();
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};
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auto get_metric = [&](auto& name, auto role) {
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int metric = file->read_num_entry("Metrics", name, -1);
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if (metric == -1) {
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switch (role) {
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case (int)MetricRole::TitleHeight:
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return 19;
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case (int)MetricRole::TitleButtonHeight:
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return 15;
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case (int)MetricRole::TitleButtonWidth:
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return 15;
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default:
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dbg() << "Metric " << name << " has no fallback value!";
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return 16;
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}
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}
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return metric;
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};
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auto get_path = [&](auto& name, auto role) {
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auto path = file->read_entry("Paths", name);
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if (path.is_empty()) {
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switch (role) {
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case (int)PathRole::TitleButtonIcons:
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return "/res/icons/16x16/";
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default:
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return "/res/";
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}
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}
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return &path[0];
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};
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#undef __ENUMERATE_COLOR_ROLE
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#define __ENUMERATE_COLOR_ROLE(role) \
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data->color[(int)ColorRole::role] = get_color(#role);
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ENUMERATE_COLOR_ROLES(__ENUMERATE_COLOR_ROLE)
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#undef __ENUMERATE_COLOR_ROLE
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#define DO_METRIC(x) \
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data->metric[(int)MetricRole::x] = get_metric(#x, (int)MetricRole::x)
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DO_METRIC(TitleHeight);
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DO_METRIC(TitleButtonWidth);
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DO_METRIC(TitleButtonHeight);
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#define DO_PATH(x) \
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data->path[(int)PathRole::x] = get_path(#x, (int)PathRole::x)
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DO_PATH(TitleButtonIcons);
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buffer->seal();
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buffer->share_globally();
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return buffer;
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}
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}
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