16704947228

Committed 03 Aug 2025 12:22PM UTC coverage: 50.502%. Remained the same

Build # 16704947228

Build Type

Pull #1789

github

Committed by

web-flow

Commit Message

Merge 7005e983c into 4f7e8f93a

Pull Request Pull Request #1789: Fixed crash on linux

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10.53

/extras/videoDrivers/SDL2/VideoSDL2.cpp

// Copyright (C) 2005 - 2021 Settlers Freaks (sf-team at siedler25.org)
//
// SPDX-License-Identifier: GPL-2.0-or-later

#include "VideoSDL2.h"
#include "driver/Interface.h"
#include "driver/VideoDriverLoaderInterface.h"
#include "driver/VideoInterface.h"
#include "enum_cast.hpp"
#include "helpers/LSANUtils.h"
#include "helpers/containerUtils.h"
#include "icon.h"
#include "openglCfg.hpp"
#include <s25util/utf8.h>
#include <boost/nowide/iostream.hpp>
#include <SDL.h>
#include <algorithm>
#include <memory>

#ifdef _WIN32
#    include <boost/nowide/convert.hpp>
#    ifndef WIN32_LEAN_AND_MEAN
#        define WIN32_LEAN_AND_MEAN
#    endif
#    include <windows.h> // Avoid "Windows headers require the default packing option" due to SDL2
#    include <SDL_syswm.h>
#endif // _WIN32

#define CHECK_SDL(call)                 \
    do                                  \
    {                                   \
        if((call) == -1)                \
            PrintError(SDL_GetError()); \
    } while(false)

namespace {
template<typename T>
struct SDLMemoryDeleter
{
    void operator()(T* p) const { SDL_free(p); }
};

template<typename T>
using SDL_memory = std::unique_ptr<T, SDLMemoryDeleter<T>>;
} // namespace

IVideoDriver* CreateVideoInstance(VideoDriverLoaderInterface* CallBack)
{
    return new VideoSDL2(CallBack);
}

void FreeVideoInstance(IVideoDriver* driver)
{
    delete driver;
}

const char* GetDriverName()
{
    return "(SDL2) OpenGL via SDL2-Library";
}

VideoSDL2::VideoSDL2(VideoDriverLoaderInterface* CallBack) : VideoDriver(CallBack), window(nullptr), context(nullptr) {}

VideoSDL2::~VideoSDL2()
{
    CleanUp();
}

const char* VideoSDL2::GetName() const
{
    return GetDriverName();
}

bool VideoSDL2::Initialize()
{
    initialized = false;
    rttr::ScopedLeakDisabler _;
    if(SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)
    {
        PrintError(SDL_GetError());
        return false;
    }

    initialized = true;
    return initialized;
}

void VideoSDL2::CleanUp()
{
    if(!initialized)
        return;

    if(context)
        SDL_GL_DeleteContext(context);
    if(window)
        SDL_DestroyWindow(window);
    SDL_QuitSubSystem(SDL_INIT_VIDEO);
    SDL_Quit();
    initialized = false;
}

void VideoSDL2::UpdateCurrentSizes()
{
    int w, h, w2, h2;
    SDL_GetWindowSize(window, &w, &h);
    SDL_GL_GetDrawableSize(window, &w2, &h2);
    SetNewSize(VideoMode(w, h), Extent(w2, h2));
}

bool VideoSDL2::CreateScreen(const std::string& title, const VideoMode& size, bool fullscreen)
{
    if(!initialized)
        return false;

    // GL-Attributes
    CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, RTTR_OGL_MAJOR));
    CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, RTTR_OGL_MINOR));
    SDL_GLprofile profile;
    if((RTTR_OGL_ES))
        profile = SDL_GL_CONTEXT_PROFILE_ES;
    else if((RTTR_OGL_COMPAT))
        profile = SDL_GL_CONTEXT_PROFILE_COMPATIBILITY;
    else
        profile = SDL_GL_CONTEXT_PROFILE_CORE;
    CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile));

    CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8));
    CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8));
    CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8));
    CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1));

    int wndPos = SDL_WINDOWPOS_CENTERED;

    const auto requestedSize = fullscreen ? FindClosestVideoMode(size) : size;
    unsigned commonFlags = SDL_WINDOW_OPENGL;
    // TODO: Fix GUI scaling with High DPI support enabled.
    // See https://github.com/Return-To-The-Roots/s25client/issues/1621
    // commonFlags |= SDL_WINDOW_ALLOW_HIGHDPI;

    window = SDL_CreateWindow(title.c_str(), wndPos, wndPos, requestedSize.width, requestedSize.height,
                              commonFlags | (fullscreen ? SDL_WINDOW_FULLSCREEN : SDL_WINDOW_RESIZABLE));

    // Fallback to non-fullscreen
    if(!window && fullscreen)
    {
        window = SDL_CreateWindow(title.c_str(), wndPos, wndPos, requestedSize.width, requestedSize.height,
                                  commonFlags | SDL_WINDOW_RESIZABLE);
    }

    if(!window)
    {
        PrintError(SDL_GetError());
        return false;
    }

    isFullscreen_ = (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) != 0;
    UpdateCurrentSizes();

    if(!isFullscreen_)
        MoveWindowToCenter();

    SDL_Surface* iconSurf =
      SDL_CreateRGBSurfaceFrom(image.data(), 48, 48, 32, 48 * 4, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF);
    if(iconSurf)
    {
        SDL_SetWindowIcon(window, iconSurf);
        SDL_FreeSurface(iconSurf);
    } else
        PrintError(SDL_GetError());

    context = SDL_GL_CreateContext(window);

#ifdef _WIN32
    SetWindowTextW(GetConsoleWindow(), boost::nowide::widen(title).c_str());
#endif

    std::fill(keyboard.begin(), keyboard.end(), false);

    SDL_ShowCursor(0);

    return true;
}

bool VideoSDL2::ResizeScreen(const VideoMode& newSize, bool fullscreen)
{
    if(!initialized)
        return false;

    if(isFullscreen_ != fullscreen)
    {
        SDL_SetWindowFullscreen(window, fullscreen ? SDL_WINDOW_FULLSCREEN : 0);
        isFullscreen_ = (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) != 0;
        if(!isFullscreen_)
        {
            SDL_SetWindowResizable(window, SDL_TRUE);
            MoveWindowToCenter();
        }
    }

    if(newSize != GetWindowSize())
    {
        if(isFullscreen_)
        {
            auto const targetMode = FindClosestVideoMode(newSize);
            SDL_DisplayMode target;
            target.w = targetMode.width;
            target.h = targetMode.height;
            target.format = 0;           // don't care
            target.refresh_rate = 0;     // don't care
            target.driverdata = nullptr; // initialize to 0
            // Explicitly change the window size to avoid a bug with SDL reporting the wrong size until alt+tab
            SDL_SetWindowSize(window, target.w, target.h);
            if(SDL_SetWindowDisplayMode(window, &target) < 0)
            {
                PrintError(SDL_GetError());
                return false;
            }
        } else
        {
            SDL_SetWindowSize(window, newSize.width, newSize.height);
        }
        UpdateCurrentSizes();
    }
    return true;
}

void VideoSDL2::PrintError(const std::string& msg) const
{
    boost::nowide::cerr << msg << std::endl;
}

void VideoSDL2::ShowErrorMessage(const std::string& title, const std::string& message)
{
    // window==nullptr is okay too ("no parent")
#ifdef __linux__
    // When using window, SDL will try to use a system tool like "zenity" which isn't always installed on every distro
    // so rttr will crash. But without a window it will use an x11 backend that should be available on x11 AND wayland
    // for compatibility reasons
    SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title.c_str(), message.c_str(), nullptr);
#else
    SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title.c_str(), message.c_str(), window);
#endif
}

void VideoSDL2::HandlePaste()
{
    if(!SDL_HasClipboardText())
        return;

    SDL_memory<char> text(SDL_GetClipboardText());
    if(!text || *text == '\0') // empty string indicates error
        PrintError(text ? SDL_GetError() : "Paste failed.");

    KeyEvent ke = {KeyType::Char, 0, false, false, false};
    for(const char32_t c : s25util::utf8to32(text.get()))
    {
        ke.c = static_cast<unsigned>(c);
        CallBack->Msg_KeyDown(ke);
    }
}

void VideoSDL2::DestroyScreen()
{
    CleanUp();
}

bool VideoSDL2::SwapBuffers()
{
    SDL_GL_SwapWindow(window);
    return true;
}

bool VideoSDL2::MessageLoop()
{
    SDL_Event ev;
    while(SDL_PollEvent(&ev))
    {
        switch(ev.type)
        {
            default: break;

            case SDL_QUIT: return false;
            case SDL_WINDOWEVENT:
            {
                switch(ev.window.event)
                {
                    case SDL_WINDOWEVENT_RESIZED:
                    {
                        isFullscreen_ = (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) != 0;
                        VideoMode newSize(ev.window.data1, ev.window.data2);
                        if(newSize != GetWindowSize())
                        {
                            UpdateCurrentSizes();
                            CallBack->WindowResized();
                        }
                    }
                    break;
                }
            }
            break;

            case SDL_KEYDOWN:
            {
                KeyEvent ke = {KeyType::Invalid, 0, false, false, false};

                switch(ev.key.keysym.sym)
                {
                    default:
                    {
                        // Die 12 F-Tasten
                        if(ev.key.keysym.sym >= SDLK_F1 && ev.key.keysym.sym <= SDLK_F12)
                            ke.kt = static_cast<KeyType>(rttr::enum_cast(KeyType::F1) + ev.key.keysym.sym - SDLK_F1);
                    }
                    break;
                    case SDLK_RETURN: ke.kt = KeyType::Return; break;
                    case SDLK_SPACE: ke.kt = KeyType::Space; break;
                    case SDLK_LEFT: ke.kt = KeyType::Left; break;
                    case SDLK_RIGHT: ke.kt = KeyType::Right; break;
                    case SDLK_UP: ke.kt = KeyType::Up; break;
                    case SDLK_DOWN: ke.kt = KeyType::Down; break;
                    case SDLK_BACKSPACE: ke.kt = KeyType::Backspace; break;
                    case SDLK_DELETE: ke.kt = KeyType::Delete; break;
                    case SDLK_LSHIFT:
                    case SDLK_RSHIFT: ke.kt = KeyType::Shift; break;
                    case SDLK_TAB: ke.kt = KeyType::Tab; break;
                    case SDLK_HOME: ke.kt = KeyType::Home; break;
                    case SDLK_END: ke.kt = KeyType::End; break;
                    case SDLK_ESCAPE: ke.kt = KeyType::Escape; break;
                    case SDLK_PRINTSCREEN: ke.kt = KeyType::Print; break;
                    // case SDLK_BACKQUOTE: ev.key.keysym.scancode = '^'; break;
                    case SDLK_v:
                        if(SDL_GetModState() & KMOD_CTRL)
                        {
                            HandlePaste();
                            continue;
                        }
                        break;
                }

                if(ke.kt == KeyType::Invalid)
                    break;

                /// Strg, Alt, usw gedrückt?
                if(ev.key.keysym.mod & KMOD_CTRL)
                    ke.ctrl = true;
                if(ev.key.keysym.mod & KMOD_SHIFT)
                    ke.shift = true;
                if(ev.key.keysym.mod & KMOD_ALT)
                    ke.alt = true;

                CallBack->Msg_KeyDown(ke);
            }
            break;
            case SDL_TEXTINPUT:
            {
                const std::u32string text = s25util::utf8to32(ev.text.text);
                SDL_Keymod mod = SDL_GetModState();
                KeyEvent ke = {KeyType::Char, 0, (mod & KMOD_CTRL) != 0, (mod & KMOD_SHIFT) != 0,
                               (mod & KMOD_ALT) != 0};
                for(char32_t c : text)
                {
                    ke.c = static_cast<unsigned>(c);
                    CallBack->Msg_KeyDown(ke);
                }
                break;
            }
            case SDL_MOUSEBUTTONDOWN:
                mouse_xy.pos = getGuiScale().screenToView(Position(ev.button.x, ev.button.y));

                if(/*!mouse_xy.ldown && */ ev.button.button == SDL_BUTTON_LEFT)
                {
                    mouse_xy.ldown = true;
                    CallBack->Msg_LeftDown(mouse_xy);
                }
                if(/*!mouse_xy.rdown &&*/ ev.button.button == SDL_BUTTON_RIGHT)
                {
                    mouse_xy.rdown = true;
                    CallBack->Msg_RightDown(mouse_xy);
                }
                break;
            case SDL_MOUSEBUTTONUP:
                mouse_xy.pos = getGuiScale().screenToView(Position(ev.button.x, ev.button.y));

                if(/*mouse_xy.ldown &&*/ ev.button.button == SDL_BUTTON_LEFT)
                {
                    mouse_xy.ldown = false;
                    CallBack->Msg_LeftUp(mouse_xy);
                }
                if(/*mouse_xy.rdown &&*/ ev.button.button == SDL_BUTTON_RIGHT)
                {
                    mouse_xy.rdown = false;
                    CallBack->Msg_RightUp(mouse_xy);
                }
                break;
            case SDL_MOUSEWHEEL:
            {
                int y = ev.wheel.y;
                if(ev.wheel.direction == SDL_MOUSEWHEEL_FLIPPED)
                    y = -y;
                if(y > 0)
                    CallBack->Msg_WheelUp(mouse_xy);
                else if(y < 0)
                    CallBack->Msg_WheelDown(mouse_xy);
            }
            break;
            case SDL_MOUSEMOTION:
                mouse_xy.pos = getGuiScale().screenToView(Position(ev.motion.x, ev.motion.y));
                CallBack->Msg_MouseMove(mouse_xy);
                break;
        }
    }

    return true;
}

unsigned long VideoSDL2::GetTickCount() const
{
    return SDL_GetTicks();
}

void VideoSDL2::ListVideoModes(std::vector<VideoMode>& video_modes) const
{
    int display = SDL_GetWindowDisplayIndex(window);
    if(display < 0)
        display = 0;
    for(int i = SDL_GetNumDisplayModes(display) - 1; i >= 0; --i)
    {
        SDL_DisplayMode mode;
        if(SDL_GetDisplayMode(display, i, &mode) != 0)
            PrintError(SDL_GetError());
        else
        {
            VideoMode vm(mode.w, mode.h);
            if(!helpers::contains(video_modes, vm))
                video_modes.push_back(vm);
        }
    }
}

OpenGL_Loader_Proc VideoSDL2::GetLoaderFunction() const
{
    return SDL_GL_GetProcAddress;
}

void VideoSDL2::SetMousePos(Position pos)
{
    const auto screenPos = getGuiScale().viewToScreen(pos);
    mouse_xy.pos = pos;
    SDL_WarpMouseInWindow(window, screenPos.x, screenPos.y);
}

KeyEvent VideoSDL2::GetModKeyState() const
{
    const SDL_Keymod modifiers = SDL_GetModState();
    const KeyEvent ke = {KeyType::Invalid, 0, ((modifiers & KMOD_CTRL) != 0), ((modifiers & KMOD_SHIFT) != 0),
                         ((modifiers & KMOD_ALT) != 0)};
    return ke;
}

void* VideoSDL2::GetMapPointer() const
{
#ifdef WIN32
    SDL_SysWMinfo wmInfo;
    SDL_VERSION(&wmInfo.version);
    SDL_GetWindowWMInfo(window, &wmInfo);
    // return (void*)wmInfo.info.win.window;
    return (void*)wmInfo.info.win.window;
#else
    return nullptr;
#endif
}

void VideoSDL2::MoveWindowToCenter()
{
    SDL_Rect usableBounds;
    CHECK_SDL(SDL_GetDisplayUsableBounds(SDL_GetWindowDisplayIndex(window), &usableBounds));
    int top, left, bottom, right;
    CHECK_SDL(SDL_GetWindowBordersSize(window, &top, &left, &bottom, &right));
    usableBounds.w -= left + right;
    usableBounds.h -= top + bottom;
    if(usableBounds.w < GetWindowSize().width || usableBounds.h < GetWindowSize().height)
    {
        SDL_SetWindowSize(window, usableBounds.w, usableBounds.h);
        UpdateCurrentSizes();
    }
    SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
}

1	// Copyright (C) 2005 - 2021 Settlers Freaks (sf-team at siedler25.org)
2	//
3	// SPDX-License-Identifier: GPL-2.0-or-later
4
5	#include "VideoSDL2.h"
6	#include "driver/Interface.h"
7	#include "driver/VideoDriverLoaderInterface.h"
8	#include "driver/VideoInterface.h"
9	#include "enum_cast.hpp"
10	#include "helpers/LSANUtils.h"
11	#include "helpers/containerUtils.h"
12	#include "icon.h"
13	#include "openglCfg.hpp"
14	#include <s25util/utf8.h>
15	#include <boost/nowide/iostream.hpp>
16	#include <SDL.h>
17	#include <algorithm>
18	#include <memory>
19
20	#ifdef _WIN32
21	# include <boost/nowide/convert.hpp>
22	# ifndef WIN32_LEAN_AND_MEAN
23	# define WIN32_LEAN_AND_MEAN
24	# endif
25	# include <windows.h> // Avoid "Windows headers require the default packing option" due to SDL2
26	# include <SDL_syswm.h>
27	#endif // _WIN32
28
29	#define CHECK_SDL(call) \
30	do \
31	{ \
32	if((call) == -1) \
33	PrintError(SDL_GetError()); \
34	} while(false)
35
36	namespace {
37	template<typename T>
38	struct SDLMemoryDeleter
39	{
40	void operator()(T* p) const { SDL_free(p); }	×
41	};
42
43	template<typename T>
44	using SDL_memory = std::unique_ptr<T, SDLMemoryDeleter<T>>;
45	} // namespace
46
47	IVideoDriver* CreateVideoInstance(VideoDriverLoaderInterface* CallBack)	1✔
48	{
49	return new VideoSDL2(CallBack);	1✔
50	}
51
52	void FreeVideoInstance(IVideoDriver* driver)	1✔
53	{
54	delete driver;	1✔
55	}	1✔
56
57	const char* GetDriverName()	5✔
58	{
59	return "(SDL2) OpenGL via SDL2-Library";	5✔
60	}
61
62	VideoSDL2::VideoSDL2(VideoDriverLoaderInterface* CallBack) : VideoDriver(CallBack), window(nullptr), context(nullptr) {}	1✔
63
64	VideoSDL2::~VideoSDL2()	2✔
65	{
66	CleanUp();	1✔
67	}	2✔
68
69	const char* VideoSDL2::GetName() const	2✔
70	{
71	return GetDriverName();	2✔
72	}
73
74	bool VideoSDL2::Initialize()	1✔
75	{
76	initialized = false;	1✔
77	rttr::ScopedLeakDisabler _;	1✔
78	if(SDL_InitSubSystem(SDL_INIT_VIDEO) < 0)	1✔
79	{
80	PrintError(SDL_GetError());	×
81	return false;	×
82	}
83
84	initialized = true;	1✔
85	return initialized;	1✔
86	}
87
88	void VideoSDL2::CleanUp()	1✔
89	{
90	if(!initialized)	1✔
91	return;	×
92
93	if(context)	1✔
94	SDL_GL_DeleteContext(context);	×
95	if(window)	1✔
96	SDL_DestroyWindow(window);	×
97	SDL_QuitSubSystem(SDL_INIT_VIDEO);	1✔
98	SDL_Quit();	1✔
99	initialized = false;	1✔
100	}
101
102	void VideoSDL2::UpdateCurrentSizes()	×
103	{
104	int w, h, w2, h2;
105	SDL_GetWindowSize(window, &w, &h);	×
106	SDL_GL_GetDrawableSize(window, &w2, &h2);	×
107	SetNewSize(VideoMode(w, h), Extent(w2, h2));	×
108	}	×
109
110	bool VideoSDL2::CreateScreen(const std::string& title, const VideoMode& size, bool fullscreen)	×
111	{
112	if(!initialized)	×
113	return false;	×
114
115	// GL-Attributes
116	CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, RTTR_OGL_MAJOR));	×
117	CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, RTTR_OGL_MINOR));	×
118	SDL_GLprofile profile;
119	if((RTTR_OGL_ES))
120	profile = SDL_GL_CONTEXT_PROFILE_ES;
121	else if((RTTR_OGL_COMPAT))
122	profile = SDL_GL_CONTEXT_PROFILE_COMPATIBILITY;	×
123	else
124	profile = SDL_GL_CONTEXT_PROFILE_CORE;
125	CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile));	×
126
127	CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8));	×
128	CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8));	×
129	CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8));	×
130	CHECK_SDL(SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1));	×
131
132	int wndPos = SDL_WINDOWPOS_CENTERED;	×
133
134	const auto requestedSize = fullscreen ? FindClosestVideoMode(size) : size;	×
135	unsigned commonFlags = SDL_WINDOW_OPENGL;	×
136	// TODO: Fix GUI scaling with High DPI support enabled.
137	// See https://github.com/Return-To-The-Roots/s25client/issues/1621
138	// commonFlags \|= SDL_WINDOW_ALLOW_HIGHDPI;
139
140	window = SDL_CreateWindow(title.c_str(), wndPos, wndPos, requestedSize.width, requestedSize.height,	×
141	commonFlags \| (fullscreen ? SDL_WINDOW_FULLSCREEN : SDL_WINDOW_RESIZABLE));	×
142
143	// Fallback to non-fullscreen
144	if(!window && fullscreen)	×
145	{
146	window = SDL_CreateWindow(title.c_str(), wndPos, wndPos, requestedSize.width, requestedSize.height,	×
147	commonFlags \| SDL_WINDOW_RESIZABLE);
148	}
149
150	if(!window)	×
151	{
152	PrintError(SDL_GetError());	×
153	return false;	×
154	}
155
156	isFullscreen_ = (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) != 0;	×
157	UpdateCurrentSizes();	×
158
159	if(!isFullscreen_)	×
160	MoveWindowToCenter();	×
161
162	SDL_Surface* iconSurf =
163	SDL_CreateRGBSurfaceFrom(image.data(), 48, 48, 32, 48 * 4, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF);	×
164	if(iconSurf)	×
165	{
166	SDL_SetWindowIcon(window, iconSurf);	×
167	SDL_FreeSurface(iconSurf);	×
168	} else
169	PrintError(SDL_GetError());	×
170
171	context = SDL_GL_CreateContext(window);	×
172
173	#ifdef _WIN32
174	SetWindowTextW(GetConsoleWindow(), boost::nowide::widen(title).c_str());
175	#endif
176
177	std::fill(keyboard.begin(), keyboard.end(), false);	×
178
179	SDL_ShowCursor(0);	×
180
181	return true;	×
182	}
183
184	bool VideoSDL2::ResizeScreen(const VideoMode& newSize, bool fullscreen)	×
185	{
186	if(!initialized)	×
187	return false;	×
188
189	if(isFullscreen_ != fullscreen)	×
190	{
191	SDL_SetWindowFullscreen(window, fullscreen ? SDL_WINDOW_FULLSCREEN : 0);	×
192	isFullscreen_ = (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) != 0;	×
193	if(!isFullscreen_)	×
194	{
195	SDL_SetWindowResizable(window, SDL_TRUE);	×
196	MoveWindowToCenter();	×
197	}
198	}
199
200	if(newSize != GetWindowSize())	×
201	{
202	if(isFullscreen_)	×
203	{
204	auto const targetMode = FindClosestVideoMode(newSize);	×
205	SDL_DisplayMode target;
206	target.w = targetMode.width;	×
207	target.h = targetMode.height;	×
208	target.format = 0; // don't care	×
209	target.refresh_rate = 0; // don't care	×
210	target.driverdata = nullptr; // initialize to 0	×
211	// Explicitly change the window size to avoid a bug with SDL reporting the wrong size until alt+tab
212	SDL_SetWindowSize(window, target.w, target.h);	×
213	if(SDL_SetWindowDisplayMode(window, &target) < 0)	×
214	{
215	PrintError(SDL_GetError());	×
216	return false;	×
217	}
218	} else
219	{
220	SDL_SetWindowSize(window, newSize.width, newSize.height);	×
221	}
222	UpdateCurrentSizes();	×
223	}
224	return true;	×
225	}
226
227	void VideoSDL2::PrintError(const std::string& msg) const	×
228	{
229	boost::nowide::cerr << msg << std::endl;	×
230	}	×
231
232	void VideoSDL2::ShowErrorMessage(const std::string& title, const std::string& message)	×
233	{
234	// window==nullptr is okay too ("no parent")
235	#ifdef __linux__
236	// When using window, SDL will try to use a system tool like "zenity" which isn't always installed on every distro
237	// so rttr will crash. But without a window it will use an x11 backend that should be available on x11 AND wayland
238	// for compatibility reasons
NEW 239	SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title.c_str(), message.c_str(), nullptr);	×
240	#else
241	SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title.c_str(), message.c_str(), window);
242	#endif
UNCOV 243	}	×
244
245	void VideoSDL2::HandlePaste()	×
246	{
247	if(!SDL_HasClipboardText())	×
248	return;	×
249
250	SDL_memory<char> text(SDL_GetClipboardText());	×
251	if(!text \|\| *text == '\0') // empty string indicates error	×
252	PrintError(text ? SDL_GetError() : "Paste failed.");	×
253
254	KeyEvent ke = {KeyType::Char, 0, false, false, false};	×
255	for(const char32_t c : s25util::utf8to32(text.get()))	×
256	{
257	ke.c = static_cast<unsigned>(c);	×
258	CallBack->Msg_KeyDown(ke);	×
259	}
260	}
261
262	void VideoSDL2::DestroyScreen()	×
263	{
264	CleanUp();	×
265	}	×
266
267	bool VideoSDL2::SwapBuffers()	×
268	{
269	SDL_GL_SwapWindow(window);	×
270	return true;	×
271	}
272
273	bool VideoSDL2::MessageLoop()	×
274	{
275	SDL_Event ev;
276	while(SDL_PollEvent(&ev))	×
277	{
278	switch(ev.type)	×
279	{
280	default: break;	×
281
282	case SDL_QUIT: return false;	×
283	case SDL_WINDOWEVENT:	×
284	{
285	switch(ev.window.event)	×
286	{
287	case SDL_WINDOWEVENT_RESIZED:	×
288	{
289	isFullscreen_ = (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) != 0;	×
290	VideoMode newSize(ev.window.data1, ev.window.data2);	×
291	if(newSize != GetWindowSize())	×
292	{
293	UpdateCurrentSizes();	×
294	CallBack->WindowResized();	×
295	}
296	}
297	break;	×
298	}
299	}
300	break;	×
301
302	case SDL_KEYDOWN:	×
303	{
304	KeyEvent ke = {KeyType::Invalid, 0, false, false, false};	×
305
306	switch(ev.key.keysym.sym)	×
307	{
308	default:	×
309	{
310	// Die 12 F-Tasten
311	if(ev.key.keysym.sym >= SDLK_F1 && ev.key.keysym.sym <= SDLK_F12)	×
312	ke.kt = static_cast<KeyType>(rttr::enum_cast(KeyType::F1) + ev.key.keysym.sym - SDLK_F1);	×
313	}
314	break;	×
315	case SDLK_RETURN: ke.kt = KeyType::Return; break;	×
316	case SDLK_SPACE: ke.kt = KeyType::Space; break;	×
317	case SDLK_LEFT: ke.kt = KeyType::Left; break;	×
318	case SDLK_RIGHT: ke.kt = KeyType::Right; break;	×
319	case SDLK_UP: ke.kt = KeyType::Up; break;	×
320	case SDLK_DOWN: ke.kt = KeyType::Down; break;	×
321	case SDLK_BACKSPACE: ke.kt = KeyType::Backspace; break;	×
322	case SDLK_DELETE: ke.kt = KeyType::Delete; break;	×
323	case SDLK_LSHIFT:	×
324	case SDLK_RSHIFT: ke.kt = KeyType::Shift; break;	×
325	case SDLK_TAB: ke.kt = KeyType::Tab; break;	×
326	case SDLK_HOME: ke.kt = KeyType::Home; break;	×
327	case SDLK_END: ke.kt = KeyType::End; break;	×
328	case SDLK_ESCAPE: ke.kt = KeyType::Escape; break;	×
329	case SDLK_PRINTSCREEN: ke.kt = KeyType::Print; break;	×
330	// case SDLK_BACKQUOTE: ev.key.keysym.scancode = '^'; break;
331	case SDLK_v:	×
332	if(SDL_GetModState() & KMOD_CTRL)	×
333	{
334	HandlePaste();	×
335	continue;	×
336	}
337	break;	×
338	}
339
340	if(ke.kt == KeyType::Invalid)	×
341	break;	×
342
343	/// Strg, Alt, usw gedrückt?
344	if(ev.key.keysym.mod & KMOD_CTRL)	×
345	ke.ctrl = true;	×
346	if(ev.key.keysym.mod & KMOD_SHIFT)	×
347	ke.shift = true;	×
348	if(ev.key.keysym.mod & KMOD_ALT)	×
349	ke.alt = true;	×
350
351	CallBack->Msg_KeyDown(ke);	×
352	}
353	break;	×
354	case SDL_TEXTINPUT:	×
355	{
356	const std::u32string text = s25util::utf8to32(ev.text.text);	×
357	SDL_Keymod mod = SDL_GetModState();	×
358	KeyEvent ke = {KeyType::Char, 0, (mod & KMOD_CTRL) != 0, (mod & KMOD_SHIFT) != 0,	×
359	(mod & KMOD_ALT) != 0};	×
360	for(char32_t c : text)	×
361	{
362	ke.c = static_cast<unsigned>(c);	×
363	CallBack->Msg_KeyDown(ke);	×
364	}
365	break;	×
366	}
367	case SDL_MOUSEBUTTONDOWN:	×
368	mouse_xy.pos = getGuiScale().screenToView(Position(ev.button.x, ev.button.y));	×
369
370	if(/!mouse_xy.ldown && / ev.button.button == SDL_BUTTON_LEFT)	×
371	{
372	mouse_xy.ldown = true;	×
373	CallBack->Msg_LeftDown(mouse_xy);	×
374	}
375	if(/!mouse_xy.rdown &&/ ev.button.button == SDL_BUTTON_RIGHT)	×
376	{
377	mouse_xy.rdown = true;	×
378	CallBack->Msg_RightDown(mouse_xy);	×
379	}
380	break;	×
381	case SDL_MOUSEBUTTONUP:	×
382	mouse_xy.pos = getGuiScale().screenToView(Position(ev.button.x, ev.button.y));	×
383
384	if(/mouse_xy.ldown &&/ ev.button.button == SDL_BUTTON_LEFT)	×
385	{
386	mouse_xy.ldown = false;	×
387	CallBack->Msg_LeftUp(mouse_xy);	×
388	}
389	if(/mouse_xy.rdown &&/ ev.button.button == SDL_BUTTON_RIGHT)	×
390	{
391	mouse_xy.rdown = false;	×
392	CallBack->Msg_RightUp(mouse_xy);	×
393	}
394	break;	×
395	case SDL_MOUSEWHEEL:	×
396	{
397	int y = ev.wheel.y;	×
398	if(ev.wheel.direction == SDL_MOUSEWHEEL_FLIPPED)	×
399	y = -y;	×
400	if(y > 0)	×
401	CallBack->Msg_WheelUp(mouse_xy);	×
402	else if(y < 0)	×
403	CallBack->Msg_WheelDown(mouse_xy);	×
404	}
405	break;	×
406	case SDL_MOUSEMOTION:	×
407	mouse_xy.pos = getGuiScale().screenToView(Position(ev.motion.x, ev.motion.y));	×
408	CallBack->Msg_MouseMove(mouse_xy);	×
409	break;	×
410	}
411	}
412
413	return true;	×
414	}
415
416	unsigned long VideoSDL2::GetTickCount() const	×
417	{
418	return SDL_GetTicks();	×
419	}
420
421	void VideoSDL2::ListVideoModes(std::vector<VideoMode>& video_modes) const	×
422	{
423	int display = SDL_GetWindowDisplayIndex(window);	×
424	if(display < 0)	×
425	display = 0;	×
426	for(int i = SDL_GetNumDisplayModes(display) - 1; i >= 0; --i)	×
427	{
428	SDL_DisplayMode mode;
429	if(SDL_GetDisplayMode(display, i, &mode) != 0)	×
430	PrintError(SDL_GetError());	×
431	else
432	{
433	VideoMode vm(mode.w, mode.h);	×
434	if(!helpers::contains(video_modes, vm))	×
435	video_modes.push_back(vm);	×
436	}
437	}
438	}	×
439
440	OpenGL_Loader_Proc VideoSDL2::GetLoaderFunction() const	×
441	{
442	return SDL_GL_GetProcAddress;	×
443	}
444
445	void VideoSDL2::SetMousePos(Position pos)	×
446	{
447	const auto screenPos = getGuiScale().viewToScreen(pos);	×
448	mouse_xy.pos = pos;	×
449	SDL_WarpMouseInWindow(window, screenPos.x, screenPos.y);	×
450	}	×
451
452	KeyEvent VideoSDL2::GetModKeyState() const	×
453	{
454	const SDL_Keymod modifiers = SDL_GetModState();	×
455	const KeyEvent ke = {KeyType::Invalid, 0, ((modifiers & KMOD_CTRL) != 0), ((modifiers & KMOD_SHIFT) != 0),	×
456	((modifiers & KMOD_ALT) != 0)};	×
457	return ke;	×
458	}
459
460	void* VideoSDL2::GetMapPointer() const	×
461	{
462	#ifdef WIN32
463	SDL_SysWMinfo wmInfo;
464	SDL_VERSION(&wmInfo.version);
465	SDL_GetWindowWMInfo(window, &wmInfo);
466	// return (void*)wmInfo.info.win.window;
467	return (void*)wmInfo.info.win.window;
468	#else
469	return nullptr;	×
470	#endif
471	}
472
473	void VideoSDL2::MoveWindowToCenter()	×
474	{
475	SDL_Rect usableBounds;
476	CHECK_SDL(SDL_GetDisplayUsableBounds(SDL_GetWindowDisplayIndex(window), &usableBounds));	×
477	int top, left, bottom, right;
478	CHECK_SDL(SDL_GetWindowBordersSize(window, &top, &left, &bottom, &right));	×
479	usableBounds.w -= left + right;	×
480	usableBounds.h -= top + bottom;	×
481	if(usableBounds.w < GetWindowSize().width \|\| usableBounds.h < GetWindowSize().height)	×
482	{
483	SDL_SetWindowSize(window, usableBounds.w, usableBounds.h);	×
484	UpdateCurrentSizes();	×
485	}
486	SDL_SetWindowPosition(window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);	×
487	}	×

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