mirror of https://github.com/OpenRCT2/OpenRCT2.git
334 lines
10 KiB
C++
334 lines
10 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2023 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include <algorithm>
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#include <fstream>
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#include <openrct2-ui/interface/Widget.h>
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#include <openrct2-ui/windows/Window.h>
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#include <openrct2/Context.h>
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#include <openrct2/OpenRCT2.h>
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#include <openrct2/PlatformEnvironment.h>
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#include <openrct2/Version.h>
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#include <openrct2/core/FileSystem.hpp>
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#include <openrct2/core/String.hpp>
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#include <openrct2/drawing/Drawing.h>
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#include <openrct2/localisation/Formatting.h>
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#include <openrct2/localisation/Localisation.h>
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#include <openrct2/platform/Platform.h>
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#include <openrct2/ui/UiContext.h>
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#include <openrct2/util/Util.h>
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#include <vector>
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using namespace OpenRCT2;
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// clang-format off
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enum {
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WIDX_BACKGROUND,
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WIDX_TITLE,
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WIDX_CLOSE,
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WIDX_CONTENT_PANEL,
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WIDX_SCROLL,
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WIDX_OPEN_URL,
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};
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static constexpr const int32_t WW = 500;
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static constexpr const int32_t WH = 400;
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static constexpr const StringId WINDOW_TITLE = STR_CHANGELOG_TITLE;
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constexpr int32_t MIN_WW = 300;
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constexpr int32_t MIN_WH = 250;
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static Widget _windowChangelogWidgets[] = {
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WINDOW_SHIM(WINDOW_TITLE, WW, WH),
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MakeWidget({0, 14}, {500, 382}, WindowWidgetType::Resize, WindowColour::Secondary ), // content panel
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MakeWidget({3, 16}, {495, 366}, WindowWidgetType::Scroll, WindowColour::Secondary, SCROLL_BOTH ), // scroll area
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MakeWidget({3, 473}, {300, 14}, WindowWidgetType::Placeholder, WindowColour::Secondary, STR_NEW_RELEASE_DOWNLOAD_PAGE), // changelog button
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WIDGETS_END,
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};
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// clang-format on
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class ChangelogWindow final : public Window
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{
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const NewVersionInfo* _newVersionInfo;
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std::vector<std::string> _changelogLines;
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int32_t _changelogLongestLineWidth = 0;
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int _personality = 0;
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public:
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/**
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* @brief Retrieves the changelog contents.
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*/
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const std::string GetText(PATHID pathId)
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{
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auto env = GetContext()->GetPlatformEnvironment();
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auto path = env->GetFilePath(pathId);
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auto fs = std::ifstream(fs::u8path(path), std::ios::in);
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if (!fs.is_open())
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{
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throw std::runtime_error("Unable to open " + path);
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}
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return std::string((std::istreambuf_iterator<char>(fs)), std::istreambuf_iterator<char>());
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}
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/**
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* @brief Set the Changelog Window's Personality, should be called just after creation. Returns true on success
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*
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* @param personality
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*/
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bool SetPersonality(int personality)
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{
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switch (personality)
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{
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case WV_NEW_VERSION_INFO:
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if (!GetContext()->HasNewVersionInfo())
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{
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return false;
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}
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_personality = WV_NEW_VERSION_INFO;
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NewVersionProcessInfo();
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widgets[WIDX_OPEN_URL].type = WindowWidgetType::Button;
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return true;
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case WV_CHANGELOG:
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if (!ReadFile(PATHID::CHANGELOG))
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{
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return false;
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}
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_personality = WV_CHANGELOG;
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widgets[WIDX_TITLE].text = STR_CHANGELOG_TITLE;
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return true;
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case WV_CONTRIBUTORS:
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if (!ReadFile(PATHID::CONTRIBUTORS))
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{
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return false;
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}
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_personality = WV_CONTRIBUTORS;
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widgets[WIDX_TITLE].text = STR_CONTRIBUTORS_WINDOW;
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return true;
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default:
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LOG_ERROR("Invalid personality for changelog window: %d", personality);
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return false;
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}
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}
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void OnOpen() override
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{
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widgets = _windowChangelogWidgets;
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WindowInitScrollWidgets(*this);
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min_width = MIN_WW;
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min_height = MIN_WH;
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max_width = MIN_WW;
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max_height = MIN_WH;
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}
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void OnResize() override
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{
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int32_t screenWidth = ContextGetWidth();
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int32_t screenHeight = ContextGetHeight();
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max_width = (screenWidth * 4) / 5;
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max_height = (screenHeight * 4) / 5;
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min_width = MIN_WW;
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min_height = MIN_WH;
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auto download_button_width = widgets[WIDX_OPEN_URL].width();
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widgets[WIDX_OPEN_URL].left = (width - download_button_width) / 2;
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widgets[WIDX_OPEN_URL].right = widgets[WIDX_OPEN_URL].left + download_button_width;
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if (width < min_width)
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{
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Invalidate();
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width = min_width;
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}
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if (height < min_height)
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{
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Invalidate();
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height = min_height;
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}
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}
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void OnPrepareDraw() override
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{
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ResizeFrameWithPage();
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widgets[WIDX_SCROLL].right = width - 3;
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widgets[WIDX_SCROLL].bottom = height - 22;
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widgets[WIDX_OPEN_URL].bottom = height - 5;
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widgets[WIDX_OPEN_URL].top = height - 19;
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}
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void OnMouseUp(WidgetIndex widgetIndex) override
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{
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switch (widgetIndex)
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{
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case WIDX_CLOSE:
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Close();
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break;
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case WIDX_OPEN_URL:
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if (_newVersionInfo != nullptr)
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{
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GetContext()->GetUiContext()->OpenURL(_newVersionInfo->url);
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}
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else
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{
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LOG_ERROR("Cannot open URL: NewVersionInfo for ChangelogWindow is undefined!");
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}
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break;
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}
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}
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void OnScrollDraw(int32_t scrollIndex, DrawPixelInfo& dpi) override
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{
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const int32_t lineHeight = FontGetLineHeight(FontStyle::Medium);
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ScreenCoordsXY screenCoords(3, 3 - lineHeight);
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for (const auto& line : _changelogLines)
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{
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screenCoords.y += lineHeight;
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if (screenCoords.y + lineHeight < dpi.y || screenCoords.y >= dpi.y + dpi.height)
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continue;
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GfxDrawString(dpi, screenCoords, line.c_str(), { colours[0] });
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}
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}
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ScreenSize OnScrollGetSize(int32_t scrollIndex) override
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{
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return ScreenSize(
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_changelogLongestLineWidth + 4,
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static_cast<int32_t>(_changelogLines.size()) * FontGetLineHeight(FontStyle::Medium));
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}
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// TODO: This probably should be a utility function defined elsewhere for reusability
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/**
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* @brief Reimplementation of Window's GetCentrePositionForNewWindow for ChangelogWindow.
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*
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* @return ScreenCoordsXY
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*/
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static ScreenCoordsXY GetCentrePositionForNewWindow(int32_t width, int32_t height)
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{
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auto uiContext = GetContext()->GetUiContext();
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auto screenWidth = uiContext->GetWidth();
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auto screenHeight = uiContext->GetHeight();
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return ScreenCoordsXY{ (screenWidth - width) / 2, std::max(TOP_TOOLBAR_HEIGHT + 1, (screenHeight - height) / 2) };
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}
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private:
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/**
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* @brief Converts NewVersionInfo into changelog lines
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*
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*/
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void NewVersionProcessInfo()
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{
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_newVersionInfo = GetContext()->GetNewVersionInfo();
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if (_newVersionInfo != nullptr)
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{
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char version_info[256];
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const char* version_info_ptr = _newVersionInfo->name.c_str();
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FormatStringLegacy(version_info, 256, STR_NEW_RELEASE_VERSION_INFO, &version_info_ptr);
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_changelogLines.emplace_back(version_info);
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_changelogLines.emplace_back("");
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ProcessText(_newVersionInfo->changelog);
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}
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else
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{
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LOG_ERROR("ChangelogWindow: Could not process NewVersionInfo, result was undefined");
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}
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}
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/**
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* @brief Get the absolute path for the changelog file
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*
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* @return std::string
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*/
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std::string GetChangelogPath()
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{
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auto env = GetContext()->GetPlatformEnvironment();
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return env->GetFilePath(PATHID::CHANGELOG);
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}
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/**
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* @brief Attempts to read the changelog file, returns true on success
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*
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*/
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bool ReadFile(PATHID pathId)
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{
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std::string _text;
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try
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{
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_text = GetText(pathId);
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}
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catch (const std::bad_alloc&)
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{
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LOG_ERROR("Unable to allocate memory for text file");
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return false;
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}
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catch (const std::exception&)
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{
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LOG_ERROR("Unable to read text file");
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return false;
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}
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ProcessText(_text);
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return true;
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}
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/**
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* @brief Ingests a string of text and splits it into lines for the changelog and updates the longest line width for
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* scrolling purposes
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*
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* @param text
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*/
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void ProcessText(const std::string& text)
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{
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std::string::size_type pos = 0;
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std::string::size_type prev = 0;
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while ((pos = text.find('\n', prev)) != std::string::npos)
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{
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_changelogLines.push_back(text.substr(prev, pos - prev));
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prev = pos + 1;
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}
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// To get the last substring (or only, if delimiter is not found)
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_changelogLines.push_back(text.substr(prev));
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_changelogLongestLineWidth = 0;
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for (const auto& line : _changelogLines)
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{
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int32_t linewidth = GfxGetStringWidth(line.c_str(), FontStyle::Medium);
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_changelogLongestLineWidth = std::max(linewidth, _changelogLongestLineWidth);
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}
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}
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};
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WindowBase* WindowChangelogOpen(int personality)
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{
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auto* window = WindowBringToFrontByClass(WindowClass::Changelog);
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if (window == nullptr)
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{
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// Create a new centred window
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int32_t screenWidth = ContextGetWidth();
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int32_t screenHeight = ContextGetHeight();
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int32_t width = (screenWidth * 4) / 5;
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int32_t height = (screenHeight * 4) / 5;
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auto pos = ChangelogWindow::GetCentrePositionForNewWindow(width, height);
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auto* newWindow = WindowCreate<ChangelogWindow>(WindowClass::Changelog, pos, width, height, WF_RESIZABLE);
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newWindow->SetPersonality(personality);
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return newWindow;
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}
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return window;
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}
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