C++ SDL_SetClipboardText函数代码示例

static mrb_value
mrb_sdl2_clipboard_set_text(mrb_state *mrb, mrb_value self)
{
  mrb_value text;
  mrb_get_args(mrb, "S", &text);
  SDL_SetClipboardText(RSTRING_PTR(text));
  return text;
}

// When (if?) we decide to put text into the clipboard...
bool put_scrap(char *src)
{
	if (SDL_SetClipboardText(src))
	{
		debug(LOG_ERROR, "Could not put clipboard text because : %s", SDL_GetError());
		return false;
	}
	return true;
}

int PDC_setclipboard(const char *contents, long length)
{
    PDC_LOG(("PDC_setclipboard() - called\n"));

    if (SDL_SetClipboardText(contents) != 0)
        return PDC_CLIP_ACCESS_ERROR;

    return PDC_CLIP_SUCCESS;
}

int PDC_clearclipboard(void)
{
    PDC_LOG(("PDC_clearclipboard() - called\n"));

    if (SDL_HasClipboardText() == SDL_TRUE)
    {
        SDL_SetClipboardText(NULL);
    }

    return PDC_CLIP_SUCCESS;
}

bool TextBox::copySelection() {
    if (mSelectionPos > -1) {
        Screen *sc = dynamic_cast<Screen *>(this->window()->parent());

        int begin = mCursorPos;
        int end = mSelectionPos;

        if (begin > end)
            std::swap(begin, end);

        SDL_SetClipboardText(mValueTemp.substr(begin, end).c_str());
        return true;
    }

    return false;
}

//texto por teclado
bool textinput(std::string *inputText, bool renderText, SDL_Event e)
{
	if( e.type == SDL_KEYDOWN )
	{
		//permite introducir texto
		SDL_StartTextInput();
		//Handle backspace
		if( e.key.keysym.sym == SDLK_BACKSPACE && inputText->length() > 0 )
		{
			//lop off character
			inputText->pop_back();
			renderText = true;
		}
		//Handle copy
		else if( e.key.keysym.sym == SDLK_c && SDL_GetModState() & KMOD_CTRL )
		{
			SDL_SetClipboardText( inputText->c_str() );
		}

		//Handle paste
		//esta comentado porq me da un error
		/*else if( e.key.keysym.sym == SDLK_v && SDL_GetModState() & KMOD_CTRL )
		{
			inputText = SDL_GetClipboardText();
			renderText = true;
		}*/
	}
	//Special text input event
	else if( e.type == SDL_TEXTINPUT )
	{
		//Not copy or pasting
		if( !( ( e.text.text[ 0 ] == 'c' || e.text.text[ 0 ] == 'C' ) && ( e.text.text[ 0 ] == 'v' || e.text.text[ 0 ] == 'V' ) && SDL_GetModState() & KMOD_CTRL ) )
		{
			//Append character
			inputText->append(e.text.text);
			renderText = true;
		}
	}
	//devuelve si hay que renderizar el texto
	return renderText;
	//cierra la comunicacion con el telclado
	SDL_StopTextInput();
}

/*
 * Gets Coordinates from the screen already translated to
 * Screen Buffer Positions, Now we pull the position and throw the
 * Text data into the Clipboard.
 */
void ScreenBuffer::bufferToClipboard(int startx, int starty, int numChar, int numRows)
{
    std::string textBuffer = "";
    int startPosition = (starty * characters_per_line) + startx;
    int endPosition   = startPosition + numChar;

    // Loop the Number of Rows to Grab
    for(int ot = 0; ot < numRows; ot++)
    {
        // Grab each line per Row.
        for(int it = startPosition; it < endPosition; it++)
        {
            try
            {
                if(screenBuffer[it].characterSequence != "")
                {
                    textBuffer += screenBuffer[it].characterSequence;
                }
                else
                {
                    textBuffer += " ";
                }
            }
            catch(std::exception &e)
            {
                std::cout << "Exception bufferToClipboard: " << e.what() << std::endl;
            }
        }
        // Add Newline at the end of each row.
        textBuffer += "\r\n";

        // Reset start/end position to next Row.
        startPosition += characters_per_line;
        endPosition   += characters_per_line;
    }
    // Copy Resulting text to the Clipboard.
    SDL_SetClipboardText(textBuffer.c_str());
}

/**
 * \brief Check call to SDL_SetClipboardText
 * \sa
 * http://wiki.libsdl.org/moin.cgi/SDL_SetClipboardText
 */
int
clipboard_testSetClipboardText(void *arg)
{
    char *textRef = SDLTest_RandomAsciiString();
    char *text = SDL_strdup(textRef);
    int result;
    result = SDL_SetClipboardText((const char *)text);
    SDLTest_AssertPass("Call to SDL_SetClipboardText succeeded");
    SDLTest_AssertCheck(
        result == 0,
        "Validate SDL_SetClipboardText result, expected 0, got %i",
        result);
    SDLTest_AssertCheck(
        SDL_strcmp(textRef, text) == 0,
        "Verify SDL_SetClipboardText did not modify input string, expected '%s', got '%s'",
        textRef, text);

    /* Cleanup */
    if (textRef) SDL_free(textRef);
    if (text) SDL_free(text);

   return TEST_COMPLETED;
}

static void
clipboard_set(const char *text)
{SDL_SetClipboardText(text);}

/**
 * \brief End-to-end test of SDL_xyzClipboardText functions
 * \sa
 * http://wiki.libsdl.org/moin.cgi/SDL_HasClipboardText
 * http://wiki.libsdl.org/moin.cgi/SDL_GetClipboardText
 * http://wiki.libsdl.org/moin.cgi/SDL_SetClipboardText
 */
int
clipboard_testClipboardTextFunctions(void *arg)
{
    char *textRef = SDLTest_RandomAsciiString();
    char *text = SDL_strdup(textRef);
    SDL_bool boolResult;
    int intResult;
    char *charResult;

    /* Clear clipboard text state */
    boolResult = SDL_HasClipboardText();
    SDLTest_AssertPass("Call to SDL_HasClipboardText succeeded");
    if (boolResult == SDL_TRUE) {
        intResult = SDL_SetClipboardText((const char *)NULL);
        SDLTest_AssertPass("Call to SDL_SetClipboardText(NULL) succeeded");
        SDLTest_AssertCheck(
            intResult == 0,
            "Verify result from SDL_SetClipboardText(NULL), expected 0, got %i",
            intResult);
        charResult = SDL_GetClipboardText();
        SDLTest_AssertPass("Call to SDL_GetClipboardText succeeded");
        boolResult = SDL_HasClipboardText();
        SDLTest_AssertPass("Call to SDL_HasClipboardText succeeded");
        SDLTest_AssertCheck(
            boolResult == SDL_FALSE,
            "Verify SDL_HasClipboardText returned SDL_FALSE, got %s",
            (boolResult) ? "SDL_TRUE" : "SDL_FALSE");
    }

    /* Empty clipboard  */
    charResult = SDL_GetClipboardText();
    SDLTest_AssertPass("Call to SDL_GetClipboardText succeeded");
    SDLTest_AssertCheck(
        charResult != NULL,
        "Verify SDL_GetClipboardText did not return NULL");
    SDLTest_AssertCheck(
        SDL_strlen(charResult) == 0,
        "Verify SDL_GetClipboardText returned string with length 0, got length %i",
        SDL_strlen(charResult));
    intResult = SDL_SetClipboardText((const char *)text);
    SDLTest_AssertPass("Call to SDL_SetClipboardText succeeded");
    SDLTest_AssertCheck(
        intResult == 0,
        "Verify result from SDL_SetClipboardText(NULL), expected 0, got %i",
        intResult);
    SDLTest_AssertCheck(
        SDL_strcmp(textRef, text) == 0,
        "Verify SDL_SetClipboardText did not modify input string, expected '%s', got '%s'",
        textRef, text);
    boolResult = SDL_HasClipboardText();
    SDLTest_AssertPass("Call to SDL_HasClipboardText succeeded");
    SDLTest_AssertCheck(
        boolResult == SDL_TRUE,
        "Verify SDL_HasClipboardText returned SDL_TRUE, got %s",
        (boolResult) ? "SDL_TRUE" : "SDL_FALSE");
    charResult = SDL_GetClipboardText();
    SDLTest_AssertPass("Call to SDL_GetClipboardText succeeded");
    SDLTest_AssertCheck(
        SDL_strcmp(textRef, charResult) == 0,
        "Verify SDL_GetClipboardText returned correct string, expected '%s', got '%s'",
        textRef, charResult);

    /* Cleanup */
    if (textRef) SDL_free(textRef);
    if (text) SDL_free(text);
    if (charResult) SDL_free(charResult);

   return TEST_COMPLETED;
}

static SDL_bool
WatchJoystick(SDL_Joystick * joystick)
{
    SDL_Window *window = NULL;
    SDL_Renderer *screen = NULL;
    SDL_Texture *background, *button, *axis, *marker;
    const char *name = NULL;
    SDL_bool retval = SDL_FALSE;
    SDL_bool done = SDL_FALSE, next=SDL_FALSE;
    SDL_Event event;
    SDL_Rect dst;
    int s, _s;
    Uint8 alpha=200, alpha_step = -1;
    Uint32 alpha_ticks;
    char mapping[4096], temp[4096];
    MappingStep *step;
    MappingStep steps[] = {
        {342, 132,  0.0,  MARKER_BUTTON, "x", -1, -1, -1, -1, ""},
        {387, 167,  0.0,  MARKER_BUTTON, "a", -1, -1, -1, -1, ""},
        {431, 132,  0.0,  MARKER_BUTTON, "b", -1, -1, -1, -1, ""},
        {389, 101,  0.0,  MARKER_BUTTON, "y", -1, -1, -1, -1, ""},
        {174, 132,  0.0,  MARKER_BUTTON, "back", -1, -1, -1, -1, ""},
        {233, 132,  0.0,  MARKER_BUTTON, "guide", -1, -1, -1, -1, ""},
        {289, 132,  0.0,  MARKER_BUTTON, "start", -1, -1, -1, -1, ""},        
        {116, 217,  0.0,  MARKER_BUTTON, "dpleft", -1, -1, -1, -1, ""},
        {154, 249,  0.0,  MARKER_BUTTON, "dpdown", -1, -1, -1, -1, ""},
        {186, 217,  0.0,  MARKER_BUTTON, "dpright", -1, -1, -1, -1, ""},
        {154, 188,  0.0,  MARKER_BUTTON, "dpup", -1, -1, -1, -1, ""},
        {77,  40,   0.0,  MARKER_BUTTON, "leftshoulder", -1, -1, -1, -1, ""},
        {91, 0,    0.0,  MARKER_BUTTON, "lefttrigger", -1, -1, -1, -1, ""},
        {396, 36,   0.0,  MARKER_BUTTON, "rightshoulder", -1, -1, -1, -1, ""},
        {375, 0,    0.0,  MARKER_BUTTON, "righttrigger", -1, -1, -1, -1, ""},
        {75,  154,  0.0,  MARKER_BUTTON, "leftstick", -1, -1, -1, -1, ""},
        {305, 230,  0.0,  MARKER_BUTTON, "rightstick", -1, -1, -1, -1, ""},
        {75,  154,  0.0,  MARKER_AXIS,   "leftx", -1, -1, -1, -1, ""},
        {75,  154,  90.0, MARKER_AXIS,   "lefty", -1, -1, -1, -1, ""},        
        {305, 230,  0.0,  MARKER_AXIS,   "rightx", -1, -1, -1, -1, ""},
        {305, 230,  90.0, MARKER_AXIS,   "righty", -1, -1, -1, -1, ""},
    };

    /* Create a window to display joystick axis position */
    window = SDL_CreateWindow("Game Controller Map", SDL_WINDOWPOS_CENTERED,
                              SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH,
                              SCREEN_HEIGHT, 0);
    if (window == NULL) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
        return SDL_FALSE;
    }

    screen = SDL_CreateRenderer(window, -1, 0);
    if (screen == NULL) {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
        SDL_DestroyWindow(window);
        return SDL_FALSE;
    }
    
    background = LoadTexture(screen, "controllermap.bmp", SDL_FALSE);
    button = LoadTexture(screen, "button.bmp", SDL_TRUE);
    axis = LoadTexture(screen, "axis.bmp", SDL_TRUE);
    SDL_RaiseWindow(window);

    /* scale for platforms that don't give you the window size you asked for. */
    SDL_RenderSetLogicalSize(screen, SCREEN_WIDTH, SCREEN_HEIGHT);

    /* Print info about the joystick we are watching */
    name = SDL_JoystickName(joystick);
    SDL_Log("Watching joystick %d: (%s)\n", SDL_JoystickInstanceID(joystick),
           name ? name : "Unknown Joystick");
    SDL_Log("Joystick has %d axes, %d hats, %d balls, and %d buttons\n",
           SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
           SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
    
    SDL_Log("\n\n\
    ====================================================================================\n\
    Press the buttons on your controller when indicated\n\
    (Your controller may look different than the picture)\n\
    If you want to correct a mistake, press backspace or the back button on your device\n\
    To skip a button, press SPACE or click/touch the screen\n\
    To exit, press ESC\n\
    ====================================================================================\n");
    
    /* Initialize mapping with GUID and name */
    SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, SDL_arraysize(temp));
    SDL_snprintf(mapping, SDL_arraysize(mapping), "%s,%s,platform:%s,",
        temp, name ? name : "Unknown Joystick", SDL_GetPlatform());

    /* Loop, getting joystick events! */
    for(s=0; s<SDL_arraysize(steps) && !done;) {
        /* blank screen, set up for drawing this frame. */
        step = &steps[s];
        SDL_strlcpy(step->mapping, mapping, SDL_arraysize(step->mapping));
        step->axis = -1;
        step->button = -1;
        step->hat = -1;
        step->hat_value = -1;
        SDL_SetClipboardText("TESTING TESTING 123");
        
        switch(step->marker) {
            case MARKER_AXIS:
                marker = axis;
//.........这里部分代码省略.........

void system_setClipboardText(const char* text)
{
	moduleData.clipboardText = text;
	SDL_SetClipboardText(text);
}

static void ImGui_ImplSdlGL3_SetClipboardText(const char* text)
{
    SDL_SetClipboardText(text);
}

void
SDLTest_CommonEvent(SDLTest_CommonState * state, SDL_Event * event, int *done)
{
    int i;
    static SDL_MouseMotionEvent lastEvent;

    if (state->verbose & VERBOSE_EVENT) {
        SDLTest_PrintEvent(event);
    }

    switch (event->type) {
    case SDL_WINDOWEVENT:
        switch (event->window.event) {
        case SDL_WINDOWEVENT_CLOSE:
            {
                SDL_Window *window = SDL_GetWindowFromID(event->window.windowID);
                if (window) {
                    SDL_DestroyWindow(window);
                }
            }
            break;
        }
        break;
    case SDL_KEYDOWN:
        switch (event->key.keysym.sym) {
            /* Add hotkeys here */
        case SDLK_PRINTSCREEN: {
                SDL_Window *window = SDL_GetWindowFromID(event->key.windowID);
                if (window) {
                    for (i = 0; i < state->num_windows; ++i) {
                        if (window == state->windows[i]) {
                            SDLTest_ScreenShot(state->renderers[i]);
                        }
                    }
                }
            }
            break;
        case SDLK_EQUALS:
            if (event->key.keysym.mod & KMOD_CTRL) {
                /* Ctrl-+ double the size of the window */
                SDL_Window *window = SDL_GetWindowFromID(event->key.windowID);
                if (window) {
                    int w, h;
                    SDL_GetWindowSize(window, &w, &h);
                    SDL_SetWindowSize(window, w*2, h*2);
                }
            }
            break;
        case SDLK_MINUS:
            if (event->key.keysym.mod & KMOD_CTRL) {
                /* Ctrl-- half the size of the window */
                SDL_Window *window = SDL_GetWindowFromID(event->key.windowID);
                if (window) {
                    int w, h;
                    SDL_GetWindowSize(window, &w, &h);
                    SDL_SetWindowSize(window, w/2, h/2);
                }
            }
            break;
        case SDLK_c:
            if (event->key.keysym.mod & KMOD_CTRL) {
                /* Ctrl-C copy awesome text! */
                SDL_SetClipboardText("SDL rocks!\nYou know it!");
                printf("Copied text to clipboard\n");
            }
            if (event->key.keysym.mod & KMOD_ALT) {
                /* Alt-C toggle a render clip rectangle */
                for (i = 0; i < state->num_windows; ++i) {
                    int w, h;
                    if (state->renderers[i]) {
                        SDL_Rect clip;
                        SDL_GetWindowSize(state->windows[i], &w, &h);
                        SDL_RenderGetClipRect(state->renderers[i], &clip);
                        if (SDL_RectEmpty(&clip)) {
                            clip.x = w/4;
                            clip.y = h/4;
                            clip.w = w/2;
                            clip.h = h/2;
                            SDL_RenderSetClipRect(state->renderers[i], &clip);
                        } else {
                            SDL_RenderSetClipRect(state->renderers[i], NULL);
                        }
                    }
                }
            }
            break;
        case SDLK_v:
            if (event->key.keysym.mod & KMOD_CTRL) {
                /* Ctrl-V paste awesome text! */
                char *text = SDL_GetClipboardText();
                if (*text) {
                    printf("Clipboard: %s\n", text);
                } else {
                    printf("Clipboard is empty\n");
                }
                SDL_free(text);
            }
            break;
        case SDLK_g:
            if (event->key.keysym.mod & KMOD_CTRL) {
//.........这里部分代码省略.........

void WindowSDL::setClipboardText(const std::string & text) {
	const auto result = SDL_SetClipboardText(text.c_str());
	if(result != 0) {
		WARN(std::string("SDL_SetClipboardText failed: ") + SDL_GetError());
	}
}