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  1. /*
  2.   Simple DirectMedia Layer
  3.   Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
  4.  
  5.   This software is provided 'as-is', without any express or implied
  6.   warranty.  In no event will the authors be held liable for any damages
  7.   arising from the use of this software.
  8.  
  9.   Permission is granted to anyone to use this software for any purpose,
  10.   including commercial applications, and to alter it and redistribute it
  11.   freely, subject to the following restrictions:
  12.  
  13.   1. The origin of this software must not be misrepresented; you must not
  14.      claim that you wrote the original software. If you use this software
  15.      in a product, an acknowledgment in the product documentation would be
  16.      appreciated but is not required.
  17.   2. Altered source versions must be plainly marked as such, and must not be
  18.      misrepresented as being the original software.
  19.   3. This notice may not be removed or altered from any source distribution.
  20. */
  21.  
  22. #ifndef SDL_messagebox_h_
  23. #define SDL_messagebox_h_
  24.  
  25. #include "SDL_stdinc.h"
  26. #include "SDL_video.h"      /* For SDL_Window */
  27.  
  28. #include "begin_code.h"
  29. /* Set up for C function definitions, even when using C++ */
  30. #ifdef __cplusplus
  31. extern "C" {
  32. #endif
  33.  
  34. /**
  35.  * SDL_MessageBox flags. If supported will display warning icon, etc.
  36.  */
  37. typedef enum
  38. {
  39.     SDL_MESSAGEBOX_ERROR                 = 0x00000010,   /**< error dialog */
  40.     SDL_MESSAGEBOX_WARNING               = 0x00000020,   /**< warning dialog */
  41.     SDL_MESSAGEBOX_INFORMATION           = 0x00000040,   /**< informational dialog */
  42.     SDL_MESSAGEBOX_BUTTONS_LEFT_TO_RIGHT = 0x00000080,   /**< buttons placed left to right */
  43.     SDL_MESSAGEBOX_BUTTONS_RIGHT_TO_LEFT = 0x00000100    /**< buttons placed right to left */
  44. } SDL_MessageBoxFlags;
  45.  
  46. /**
  47.  * Flags for SDL_MessageBoxButtonData.
  48.  */
  49. typedef enum
  50. {
  51.     SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT = 0x00000001,  /**< Marks the default button when return is hit */
  52.     SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT = 0x00000002   /**< Marks the default button when escape is hit */
  53. } SDL_MessageBoxButtonFlags;
  54.  
  55. /**
  56.  * Individual button data.
  57.  */
  58. typedef struct
  59. {
  60.     Uint32 flags;       /**< ::SDL_MessageBoxButtonFlags */
  61.     int buttonid;       /**< User defined button id (value returned via SDL_ShowMessageBox) */
  62.     const char * text;  /**< The UTF-8 button text */
  63. } SDL_MessageBoxButtonData;
  64.  
  65. /**
  66.  * RGB value used in a message box color scheme
  67.  */
  68. typedef struct
  69. {
  70.     Uint8 r, g, b;
  71. } SDL_MessageBoxColor;
  72.  
  73. typedef enum
  74. {
  75.     SDL_MESSAGEBOX_COLOR_BACKGROUND,
  76.     SDL_MESSAGEBOX_COLOR_TEXT,
  77.     SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
  78.     SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
  79.     SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
  80.     SDL_MESSAGEBOX_COLOR_MAX
  81. } SDL_MessageBoxColorType;
  82.  
  83. /**
  84.  * A set of colors to use for message box dialogs
  85.  */
  86. typedef struct
  87. {
  88.     SDL_MessageBoxColor colors[SDL_MESSAGEBOX_COLOR_MAX];
  89. } SDL_MessageBoxColorScheme;
  90.  
  91. /**
  92.  * MessageBox structure containing title, text, window, etc.
  93.  */
  94. typedef struct
  95. {
  96.     Uint32 flags;                       /**< ::SDL_MessageBoxFlags */
  97.     SDL_Window *window;                 /**< Parent window, can be NULL */
  98.     const char *title;                  /**< UTF-8 title */
  99.     const char *message;                /**< UTF-8 message text */
  100.  
  101.     int numbuttons;
  102.     const SDL_MessageBoxButtonData *buttons;
  103.  
  104.     const SDL_MessageBoxColorScheme *colorScheme;   /**< ::SDL_MessageBoxColorScheme, can be NULL to use system settings */
  105. } SDL_MessageBoxData;
  106.  
  107. /**
  108.  * Create a modal message box.
  109.  *
  110.  * If your needs aren't complex, it might be easier to use
  111.  * SDL_ShowSimpleMessageBox.
  112.  *
  113.  * This function should be called on the thread that created the parent
  114.  * window, or on the main thread if the messagebox has no parent. It will
  115.  * block execution of that thread until the user clicks a button or closes the
  116.  * messagebox.
  117.  *
  118.  * This function may be called at any time, even before SDL_Init(). This makes
  119.  * it useful for reporting errors like a failure to create a renderer or
  120.  * OpenGL context.
  121.  *
  122.  * On X11, SDL rolls its own dialog box with X11 primitives instead of a
  123.  * formal toolkit like GTK+ or Qt.
  124.  *
  125.  * Note that if SDL_Init() would fail because there isn't any available video
  126.  * target, this function is likely to fail for the same reasons. If this is a
  127.  * concern, check the return value from this function and fall back to writing
  128.  * to stderr if you can.
  129.  *
  130.  * \param messageboxdata the SDL_MessageBoxData structure with title, text and
  131.  *                       other options
  132.  * \param buttonid the pointer to which user id of hit button should be copied
  133.  * \returns 0 on success or a negative error code on failure; call
  134.  *          SDL_GetError() for more information.
  135.  *
  136.  * \since This function is available since SDL 2.0.0.
  137.  *
  138.  * \sa SDL_ShowSimpleMessageBox
  139.  */
  140. extern DECLSPEC int SDLCALL SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
  141.  
  142. /**
  143.  * Display a simple modal message box.
  144.  *
  145.  * If your needs aren't complex, this function is preferred over
  146.  * SDL_ShowMessageBox.
  147.  *
  148.  * `flags` may be any of the following:
  149.  *
  150.  * - `SDL_MESSAGEBOX_ERROR`: error dialog
  151.  * - `SDL_MESSAGEBOX_WARNING`: warning dialog
  152.  * - `SDL_MESSAGEBOX_INFORMATION`: informational dialog
  153.  *
  154.  * This function should be called on the thread that created the parent
  155.  * window, or on the main thread if the messagebox has no parent. It will
  156.  * block execution of that thread until the user clicks a button or closes the
  157.  * messagebox.
  158.  *
  159.  * This function may be called at any time, even before SDL_Init(). This makes
  160.  * it useful for reporting errors like a failure to create a renderer or
  161.  * OpenGL context.
  162.  *
  163.  * On X11, SDL rolls its own dialog box with X11 primitives instead of a
  164.  * formal toolkit like GTK+ or Qt.
  165.  *
  166.  * Note that if SDL_Init() would fail because there isn't any available video
  167.  * target, this function is likely to fail for the same reasons. If this is a
  168.  * concern, check the return value from this function and fall back to writing
  169.  * to stderr if you can.
  170.  *
  171.  * \param flags an SDL_MessageBoxFlags value
  172.  * \param title UTF-8 title text
  173.  * \param message UTF-8 message text
  174.  * \param window the parent window, or NULL for no parent
  175.  * \returns 0 on success or a negative error code on failure; call
  176.  *          SDL_GetError() for more information.
  177.  *
  178.  * \since This function is available since SDL 2.0.0.
  179.  *
  180.  * \sa SDL_ShowMessageBox
  181.  */
  182. extern DECLSPEC int SDLCALL SDL_ShowSimpleMessageBox(Uint32 flags, const char *title, const char *message, SDL_Window *window);
  183.  
  184.  
  185. /* Ends C function definitions when using C++ */
  186. #ifdef __cplusplus
  187. }
  188. #endif
  189. #include "close_code.h"
  190.  
  191. #endif /* SDL_messagebox_h_ */
  192.  
  193. /* vi: set ts=4 sw=4 expandtab: */
  194.