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      1 /*
      2   Simple DirectMedia Layer
      3   Copyright (C) 1997-2014 Sam Lantinga <slouken (at) 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  * \brief 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_MessageBoxFlags;
     43 
     44 /**
     45  * \brief Flags for SDL_MessageBoxButtonData.
     46  */
     47 typedef enum
     48 {
     49     SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT = 0x00000001,  /**< Marks the default button when return is hit */
     50     SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT = 0x00000002   /**< Marks the default button when escape is hit */
     51 } SDL_MessageBoxButtonFlags;
     52 
     53 /**
     54  *  \brief Individual button data.
     55  */
     56 typedef struct
     57 {
     58     Uint32 flags;       /**< ::SDL_MessageBoxButtonFlags */
     59     int buttonid;       /**< User defined button id (value returned via SDL_ShowMessageBox) */
     60     const char * text;  /**< The UTF-8 button text */
     61 } SDL_MessageBoxButtonData;
     62 
     63 /**
     64  * \brief RGB value used in a message box color scheme
     65  */
     66 typedef struct
     67 {
     68     Uint8 r, g, b;
     69 } SDL_MessageBoxColor;
     70 
     71 typedef enum
     72 {
     73     SDL_MESSAGEBOX_COLOR_BACKGROUND,
     74     SDL_MESSAGEBOX_COLOR_TEXT,
     75     SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
     76     SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
     77     SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
     78     SDL_MESSAGEBOX_COLOR_MAX
     79 } SDL_MessageBoxColorType;
     80 
     81 /**
     82  * \brief A set of colors to use for message box dialogs
     83  */
     84 typedef struct
     85 {
     86     SDL_MessageBoxColor colors[SDL_MESSAGEBOX_COLOR_MAX];
     87 } SDL_MessageBoxColorScheme;
     88 
     89 /**
     90  *  \brief MessageBox structure containing title, text, window, etc.
     91  */
     92 typedef struct
     93 {
     94     Uint32 flags;                       /**< ::SDL_MessageBoxFlags */
     95     SDL_Window *window;                 /**< Parent window, can be NULL */
     96     const char *title;                  /**< UTF-8 title */
     97     const char *message;                /**< UTF-8 message text */
     98 
     99     int numbuttons;
    100     const SDL_MessageBoxButtonData *buttons;
    101 
    102     const SDL_MessageBoxColorScheme *colorScheme;   /**< ::SDL_MessageBoxColorScheme, can be NULL to use system settings */
    103 } SDL_MessageBoxData;
    104 
    105 /**
    106  *  \brief Create a modal message box.
    107  *
    108  *  \param messageboxdata The SDL_MessageBoxData structure with title, text, etc.
    109  *  \param buttonid The pointer to which user id of hit button should be copied.
    110  *
    111  *  \return -1 on error, otherwise 0 and buttonid contains user id of button
    112  *          hit or -1 if dialog was closed.
    113  *
    114  *  \note This function should be called on the thread that created the parent
    115  *        window, or on the main thread if the messagebox has no parent.  It will
    116  *        block execution of that thread until the user clicks a button or
    117  *        closes the messagebox.
    118  */
    119 extern DECLSPEC int SDLCALL SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
    120 
    121 /**
    122  *  \brief Create a simple modal message box
    123  *
    124  *  \param flags    ::SDL_MessageBoxFlags
    125  *  \param title    UTF-8 title text
    126  *  \param message  UTF-8 message text
    127  *  \param window   The parent window, or NULL for no parent
    128  *
    129  *  \return 0 on success, -1 on error
    130  *
    131  *  \sa SDL_ShowMessageBox
    132  */
    133 extern DECLSPEC int SDLCALL SDL_ShowSimpleMessageBox(Uint32 flags, const char *title, const char *message, SDL_Window *window);
    134 
    135 
    136 /* Ends C function definitions when using C++ */
    137 #ifdef __cplusplus
    138 }
    139 #endif
    140 #include "close_code.h"
    141 
    142 #endif /* _SDL_messagebox_h */
    143 
    144 /* vi: set ts=4 sw=4 expandtab: */
    145