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83 lines
2.0 KiB
C++
83 lines
2.0 KiB
C++
/*
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Copyright 2021 Peter Repukat - FlatspotSoftware
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "TargetWindow.h"
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#include <utility>
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#include <SFML/Window/Event.hpp>
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#ifdef _WIN32
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#include <Windows.h>
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#include <dwmapi.h>
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#endif
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TargetWindow::TargetWindow(std::function<void()> on_close) : on_close_(std::move(on_close))
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{
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window_.create(sf::VideoMode::getDesktopMode(), "GlosSITarget", sf::Style::None);
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window_.setActive(true);
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#ifdef _WIN32
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HWND hwnd = window_.getSystemHandle();
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MARGINS margins;
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margins.cxLeftWidth = -1;
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DwmExtendFrameIntoClientArea(hwnd, &margins);
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// always on top
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SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
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#endif
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setClickThrough(true);
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}
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void TargetWindow::setFpsLimit(unsigned int fps_limit)
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{
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window_.setFramerateLimit(fps_limit);
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}
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void TargetWindow::setClickThrough(bool click_through)
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{
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#ifdef _WIN32
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HWND hwnd = window_.getSystemHandle();
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if (click_through) {
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SetWindowLong(hwnd, GWL_EXSTYLE, WS_EX_LAYERED | WS_EX_TRANSPARENT | WS_EX_TOPMOST);
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}
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else {
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SetWindowLong(hwnd, GWL_EXSTYLE, WS_EX_LAYERED);
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}
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#endif
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}
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void TargetWindow::update()
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{
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sf::Event event{};
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while (window_.pollEvent(event)) {
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if (event.type == sf::Event::Closed) {
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window_.close();
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on_close_();
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}
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}
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window_.clear(sf::Color::Transparent);
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//window_.clear(sf::Color(255,0,0,1));
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window_.display();
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}
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void TargetWindow::close()
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{
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window_.close();
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on_close_();
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}
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