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