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@@ -0,0 +1,126 @@
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+/*
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+ Simple DirectMedia Layer
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+ Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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+
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+ This software is provided 'as-is', without any express or implied
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+ warranty. In no event will the authors be held liable for any damages
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+ arising from the use of this software.
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+
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+ Permission is granted to anyone to use this software for any purpose,
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+ including commercial applications, and to alter it and redistribute it
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+ freely, subject to the following restrictions:
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+
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+ 1. The origin of this software must not be misrepresented; you must not
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+ claim that you wrote the original software. If you use this software
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+ in a product, an acknowledgment in the product documentation would be
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+ appreciated but is not required.
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+ 2. Altered source versions must be plainly marked as such, and must not be
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+ misrepresented as being the original software.
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+ 3. This notice may not be removed or altered from any source distribution.
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+*/
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+
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+#include "SDL_internal.h"
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+
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+#ifdef SDL_VIDEO_DRIVER_PSP
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+
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+#include "SDL_pspvideo.h"
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+#include "SDL_pspmessagebox.h"
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+#include <psputility.h>
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+#include <pspgu.h>
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+#include <pspdisplay.h>
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+#include <pspthreadman.h>
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+#include <pspkernel.h>
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+
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+static void configure_dialog(pspUtilityMsgDialogParams *dialog, size_t dialog_size)
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+{
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+ /* clear structure and setup size */
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+ SDL_memset(dialog, 0, dialog_size);
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+ dialog->base.size = dialog_size;
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+
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+ /* set language */
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+ sceUtilityGetSystemParamInt(PSP_SYSTEMPARAM_ID_INT_LANGUAGE, &dialog->base.language);
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+
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+ /* set X/O swap */
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+ sceUtilityGetSystemParamInt(PSP_SYSTEMPARAM_ID_INT_UNKNOWN, &dialog->base.buttonSwap);
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+
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+ /* set thread priorities */
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+ /* TODO: understand how these work */
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+ dialog->base.soundThread = 0x10;
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+ dialog->base.graphicsThread = 0x11;
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+ dialog->base.fontThread = 0x12;
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+ dialog->base.accessThread = 0x13;
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+}
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+
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+int PSP_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonID)
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+{
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+ unsigned char list[0x20000] __attribute__((aligned(64)));
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+ pspUtilityMsgDialogParams dialog;
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+ int status;
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+
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+ /* check if it's possible to do a messagebox now */
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+ if (SDL_GetKeyboardFocus() == NULL)
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+ return SDL_SetError("No video context is available");
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+
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+ /* configure dialog */
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+ configure_dialog(&dialog, sizeof(dialog));
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+
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+ /* setup dialog options for text */
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+ dialog.mode = PSP_UTILITY_MSGDIALOG_MODE_TEXT;
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+ dialog.options = PSP_UTILITY_MSGDIALOG_OPTION_TEXT;
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+
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+ /* copy the message in, 512 bytes max */
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+ SDL_snprintf(dialog.message, sizeof(dialog.message), "%s\r\n\r\n%s", messageboxdata->title, messageboxdata->message);
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+
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+ /* too many buttons */
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+ if (messageboxdata->numbuttons > 2)
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+ return SDL_SetError("messageboxdata->numbuttons valid values are 0, 1, 2");
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+
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+ /* we only have two options, "yes/no" or "ok" */
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+ if (messageboxdata->numbuttons == 2)
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+ dialog.options |= PSP_UTILITY_MSGDIALOG_OPTION_YESNO_BUTTONS | PSP_UTILITY_MSGDIALOG_OPTION_DEFAULT_NO;
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+
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+ /* start dialog */
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+ if (sceUtilityMsgDialogInitStart(&dialog) != 0)
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+ return SDL_SetError("sceUtilityMsgDialogInitStart() failed for some reason");
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+
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+ /* loop while the dialog is active */
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+ status = PSP_UTILITY_DIALOG_NONE;
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+ do
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+ {
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+ sceGuStart(GU_DIRECT, list);
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+ sceGuClearColor(0);
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+ sceGuClearDepth(0);
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+ sceGuClear(GU_COLOR_BUFFER_BIT|GU_DEPTH_BUFFER_BIT);
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+ sceGuFinish();
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+ sceGuSync(0,0);
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+
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+ status = sceUtilityMsgDialogGetStatus();
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+
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+ switch (status)
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+ {
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+ case PSP_UTILITY_DIALOG_VISIBLE:
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+ sceUtilityMsgDialogUpdate(1);
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+ break;
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+
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+ case PSP_UTILITY_DIALOG_QUIT:
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+ sceUtilityMsgDialogShutdownStart();
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+ break;
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+ }
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+
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+ sceDisplayWaitVblankStart();
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+ sceGuSwapBuffers();
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+
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+ } while (status != PSP_UTILITY_DIALOG_NONE);
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+
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+ /* success */
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+ if (dialog.buttonPressed == PSP_UTILITY_MSGDIALOG_RESULT_YES)
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+ *buttonID = messageboxdata->buttons[0].buttonID;
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+ else if (dialog.buttonPressed == PSP_UTILITY_MSGDIALOG_RESULT_NO)
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+ *buttonID = messageboxdata->buttons[1].buttonID;
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+ else
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+ *buttonID = messageboxdata->buttons[0].buttonID;
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+
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+ return 0;
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+}
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+
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+#endif /* SDL_VIDEO_DRIVER_PSP */
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erysdren