Squashed 'libraries/ZWidget/' changes from 02da8cdc0e..cecd34301d
cecd34301d Delay load DPI-related functions bfc172f702 Added exception to some unimplemented functions 7c8d469bcb Added item modifications functions 847d0e6d9e Improved keyboard navigation 8c4270e0f8 Dropdown can now be closed by re-selecting it 91402c31ec Fix dropdown positioning in x11 and win32 git-subtree-dir: libraries/ZWidget git-subtree-split: cecd34301d369400227eb0f27bad2ab41ad756d2
This commit is contained in:
Rachael Alexanderson
parent
2ef2243f7f
commit
6356d87438
7868 changed files with 492 additions and 1691650 deletions
322
example/example.cpp
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322
example/example.cpp
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#include <iostream>
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#include <zwidget/core/widget.h>
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#include <zwidget/core/resourcedata.h>
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#include <zwidget/core/image.h>
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#include <zwidget/core/theme.h>
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#include <zwidget/window/window.h>
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#include <zwidget/widgets/dropdown/dropdown.h>
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#include <zwidget/widgets/textedit/textedit.h>
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#include <zwidget/widgets/mainwindow/mainwindow.h>
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#include <zwidget/widgets/listview/listview.h>
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#include <zwidget/widgets/imagebox/imagebox.h>
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#include <zwidget/widgets/textlabel/textlabel.h>
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#include <zwidget/widgets/pushbutton/pushbutton.h>
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#include <zwidget/widgets/checkboxlabel/checkboxlabel.h>
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#include "picopng.h"
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static std::vector<uint8_t> ReadAllBytes(const std::string& filename);
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class LauncherWindow : public Widget
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{
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public:
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LauncherWindow() : Widget(nullptr, WidgetType::Window)
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{
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Logo = new ImageBox(this);
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WelcomeLabel = new TextLabel(this);
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VersionLabel = new TextLabel(this);
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SelectLabel = new TextLabel(this);
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GeneralLabel = new TextLabel(this);
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ExtrasLabel = new TextLabel(this);
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FullscreenCheckbox = new CheckboxLabel(this);
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DisableAutoloadCheckbox = new CheckboxLabel(this);
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DontAskAgainCheckbox = new CheckboxLabel(this);
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LightsCheckbox = new CheckboxLabel(this);
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BrightmapsCheckbox = new CheckboxLabel(this);
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WidescreenCheckbox = new CheckboxLabel(this);
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PlayButton = new PushButton(this);
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ExitButton = new PushButton(this);
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GamesList = new ListView(this);
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Choices = new Dropdown(this);
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SetWindowBackground(Colorf::fromRgba8(51, 51, 51));
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SetWindowBorderColor(Colorf::fromRgba8(51, 51, 51));
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SetWindowCaptionColor(Colorf::fromRgba8(33, 33, 33));
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SetWindowCaptionTextColor(Colorf::fromRgba8(226, 223, 219));
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SetWindowTitle("VKDoom Launcher");
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WelcomeLabel->SetText("Welcome to VKDoom");
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VersionLabel->SetText("Version 0xdeadbabe.");
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SelectLabel->SetText("Select which game file (IWAD) to run.");
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PlayButton->SetText("Play Game");
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ExitButton->SetText("Exit");
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ExitButton->OnClick = []{
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DisplayWindow::ExitLoop();
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};
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GeneralLabel->SetText("General");
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ExtrasLabel->SetText("Extra Graphics");
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FullscreenCheckbox->SetText("Fullscreen");
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DisableAutoloadCheckbox->SetText("Disable autoload");
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DontAskAgainCheckbox->SetText("Don't ask me again");
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LightsCheckbox->SetText("Lights");
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BrightmapsCheckbox->SetText("Brightmaps");
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WidescreenCheckbox->SetText("Widescreen");
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Choices->SetMaxDisplayItems(2);
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Choices->AddItem("First");
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Choices->AddItem("Second");
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Choices->AddItem("Third");
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Choices->AddItem("Fourth");
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Choices->AddItem("Fifth");
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Choices->AddItem("Sixth");
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Choices->OnChanged = [this](int index) {
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std::cout << "Selected " << index << ":" << Choices->GetItem(index) << std::endl;
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};
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try
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{
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auto filedata = ReadAllBytes("banner.png");
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std::vector<unsigned char> pixels;
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unsigned long width = 0, height = 0;
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int result = decodePNG(pixels, width, height, (const unsigned char*)filedata.data(), filedata.size(), true);
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if (result == 0)
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{
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Logo->SetImage(Image::Create(width, height, ImageFormat::R8G8B8A8, pixels.data()));
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}
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}
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catch (...)
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{
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}
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}
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void OnGeometryChanged() override
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{
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double y = 0.0;
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Logo->SetFrameGeometry(0.0, y, GetWidth(), Logo->GetPreferredHeight());
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y += Logo->GetPreferredHeight();
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y += 10.0;
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WelcomeLabel->SetFrameGeometry(20.0, y, GetWidth() - 40.0, WelcomeLabel->GetPreferredHeight());
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y += WelcomeLabel->GetPreferredHeight();
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VersionLabel->SetFrameGeometry(20.0, y, GetWidth() - 40.0, VersionLabel->GetPreferredHeight());
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y += VersionLabel->GetPreferredHeight();
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y += 10.0;
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SelectLabel->SetFrameGeometry(20.0, y, GetWidth() - 40.0 - Choices->GetPreferredWidth(), SelectLabel->GetPreferredHeight());
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y += SelectLabel->GetPreferredHeight();
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Choices->SetFrameGeometry(GetWidth() - 20.0 - Choices->GetPreferredWidth(), y-Choices->GetPreferredHeight(), Choices->GetPreferredWidth(), Choices->GetPreferredHeight());
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double listViewTop = y + 10.0;
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y = GetHeight() - 15.0 - PlayButton->GetPreferredHeight();
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PlayButton->SetFrameGeometry(20.0, y, 120.0, PlayButton->GetPreferredHeight());
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ExitButton->SetFrameGeometry(GetWidth() - 20.0 - 120.0, y, 120.0, PlayButton->GetPreferredHeight());
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y -= 20.0;
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double panelWidth = 150.0;
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y -= DontAskAgainCheckbox->GetPreferredHeight();
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DontAskAgainCheckbox->SetFrameGeometry(20.0, y, 190.0, DontAskAgainCheckbox->GetPreferredHeight());
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WidescreenCheckbox->SetFrameGeometry(GetWidth() - 20.0 - panelWidth, y, panelWidth, WidescreenCheckbox->GetPreferredHeight());
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y -= DisableAutoloadCheckbox->GetPreferredHeight();
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DisableAutoloadCheckbox->SetFrameGeometry(20.0, y, 190.0, DisableAutoloadCheckbox->GetPreferredHeight());
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BrightmapsCheckbox->SetFrameGeometry(GetWidth() - 20.0 - panelWidth, y, panelWidth, BrightmapsCheckbox->GetPreferredHeight());
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y -= FullscreenCheckbox->GetPreferredHeight();
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FullscreenCheckbox->SetFrameGeometry(20.0, y, 190.0, FullscreenCheckbox->GetPreferredHeight());
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LightsCheckbox->SetFrameGeometry(GetWidth() - 20.0 - panelWidth, y, panelWidth, LightsCheckbox->GetPreferredHeight());
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y -= GeneralLabel->GetPreferredHeight();
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GeneralLabel->SetFrameGeometry(20.0, y, 190.0, GeneralLabel->GetPreferredHeight());
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ExtrasLabel->SetFrameGeometry(GetWidth() - 20.0 - panelWidth, y, panelWidth, ExtrasLabel->GetPreferredHeight());
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double listViewBottom = y - 10.0;
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GamesList->SetFrameGeometry(20.0, listViewTop, GetWidth() - 40.0, std::max(listViewBottom - listViewTop, 0.0));
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}
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ImageBox* Logo = nullptr;
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TextLabel* WelcomeLabel = nullptr;
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TextLabel* VersionLabel = nullptr;
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TextLabel* SelectLabel = nullptr;
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TextLabel* GeneralLabel = nullptr;
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TextLabel* ExtrasLabel = nullptr;
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CheckboxLabel* FullscreenCheckbox = nullptr;
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CheckboxLabel* DisableAutoloadCheckbox = nullptr;
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CheckboxLabel* DontAskAgainCheckbox = nullptr;
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CheckboxLabel* LightsCheckbox = nullptr;
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CheckboxLabel* BrightmapsCheckbox = nullptr;
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CheckboxLabel* WidescreenCheckbox = nullptr;
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PushButton* PlayButton = nullptr;
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PushButton* ExitButton = nullptr;
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ListView* GamesList = nullptr;
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Dropdown* Choices = nullptr;
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};
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static std::vector<uint8_t> ReadAllBytes(const std::string& filename);
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std::vector<SingleFontData> LoadWidgetFontData(const std::string& name)
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{
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return {
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{std::move(ReadAllBytes("OpenSans.ttf")), ""}
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};
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}
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std::vector<uint8_t> LoadWidgetData(const std::string& name)
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{
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return ReadAllBytes(name);
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}
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enum class Backend {
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Default, Win32, SDL2, X11, Wayland
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};
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int example(Backend backend = Backend::Default)
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{
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WidgetTheme::SetTheme(std::make_unique<DarkWidgetTheme>());
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// just for testing backends
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switch (backend)
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{
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case Backend::Default: DisplayBackend::Set(DisplayBackend::TryCreateBackend()); break;
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case Backend::Win32: DisplayBackend::Set(DisplayBackend::TryCreateWin32()); break;
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case Backend::SDL2: DisplayBackend::Set(DisplayBackend::TryCreateSDL2()); break;
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case Backend::X11: DisplayBackend::Set(DisplayBackend::TryCreateX11()); break;
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case Backend::Wayland: DisplayBackend::Set(DisplayBackend::TryCreateWayland()); break;
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}
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#if 1
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auto launcher = new LauncherWindow();
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launcher->SetFrameGeometry(100.0, 100.0, 615.0, 668.0);
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launcher->Show();
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#else
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auto mainwindow = new MainWindow();
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auto textedit = new TextEdit(mainwindow);
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textedit->SetText(R"(
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#version 460
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in vec4 AttrPos;
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in vec4 AttrColor;
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out vec4 Color;
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void main()
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{
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gl_Position = AttrPos;
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Color = AttrColor;
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}
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)");
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mainwindow->SetWindowTitle("ZWidget Example");
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mainwindow->SetFrameGeometry(100.0, 100.0, 1700.0, 900.0);
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mainwindow->SetCentralWidget(textedit);
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textedit->SetFocus();
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mainwindow->Show();
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#endif
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DisplayWindow::RunLoop();
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return 0;
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}
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#ifdef WIN32
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#include <Windows.h>
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#include <stdexcept>
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#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
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static std::wstring to_utf16(const std::string& str)
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{
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if (str.empty()) return {};
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int needed = MultiByteToWideChar(CP_UTF8, 0, str.data(), (int)str.size(), nullptr, 0);
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if (needed == 0)
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throw std::runtime_error("MultiByteToWideChar failed");
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std::wstring result;
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result.resize(needed);
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needed = MultiByteToWideChar(CP_UTF8, 0, str.data(), (int)str.size(), &result[0], (int)result.size());
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if (needed == 0)
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throw std::runtime_error("MultiByteToWideChar failed");
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return result;
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}
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static std::vector<uint8_t> ReadAllBytes(const std::string& filename)
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{
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HANDLE handle = CreateFile(to_utf16(filename).c_str(), FILE_READ_ACCESS, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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if (handle == INVALID_HANDLE_VALUE)
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throw std::runtime_error("Could not open " + filename);
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LARGE_INTEGER fileSize;
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BOOL result = GetFileSizeEx(handle, &fileSize);
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if (result == FALSE)
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{
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CloseHandle(handle);
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throw std::runtime_error("GetFileSizeEx failed");
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}
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std::vector<uint8_t> buffer(fileSize.QuadPart);
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DWORD bytesRead = 0;
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result = ReadFile(handle, buffer.data(), (DWORD)buffer.size(), &bytesRead, nullptr);
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if (result == FALSE || bytesRead != buffer.size())
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{
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CloseHandle(handle);
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throw std::runtime_error("ReadFile failed");
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}
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CloseHandle(handle);
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return buffer;
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}
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int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow)
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{
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example();
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}
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#else
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#include <fstream>
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#include <vector>
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#include <string>
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#include <stdexcept>
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static std::vector<uint8_t> ReadAllBytes(const std::string& filename)
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{
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std::ifstream file(filename, std::ios::binary | std::ios::ate);
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if (!file)
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throw std::runtime_error("ReadFile failed");
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std::streamsize size = file.tellg();
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file.seekg(0, std::ios::beg);
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std::vector<uint8_t> buffer(size);
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if (!file.read(reinterpret_cast<char*>(buffer.data()), size))
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throw std::runtime_error("ReadFile failed ");
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return buffer;
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}
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int main(int argc, const char** argv)
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{
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std::string backendStr = argc > 1? argv[1]: "";
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std::transform(backendStr.begin(), backendStr.end(), backendStr.begin(),
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[](unsigned char c){ return std::tolower(c); });
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Backend backend = Backend::Default;
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if (backendStr == "sdl2") backend = Backend::SDL2;
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if (backendStr == "x11") backend = Backend::X11;
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if (backendStr == "wayland") backend = Backend::Wayland;
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if (backendStr == "win32") backend = Backend::Win32; // lol
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example(backend);
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}
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#endif
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