Function GUI_DisplayModalMessage

src/gui/gui.c:775–864

* Displays a message and waits for a user action. * @param str The text to display. * @param spriteID The sprite to draw (0xFFFF for none). * @param ... The args for the text. * @return ?? */

 * @return ??
 */
uint16 GUI_DisplayModalMessage(const char *str, unsigned int spriteID, ...)
{
	static char textBuffer[768];

	va_list ap;
	uint16 oldWidgetId;
	uint16 ret;
	Screen oldScreenID;
	uint8 *screenBackup = NULL;

	va_start(ap, spriteID);
	vsnprintf(textBuffer, sizeof(textBuffer), str, ap);
	va_end(ap);

	GUI_Mouse_Hide_Safe();

	oldScreenID = GFX_Screen_SetActive(SCREEN_0);

	GUI_DrawText_Wrapper(NULL, 0, 0, 0, 0, 0x22);

	oldWidgetId = Widget_SetCurrentWidget(1);

	g_widgetProperties[1].height = g_fontCurrent->height * max(GUI_SplitText(textBuffer, ((g_curWidgetWidth - ((spriteID == 0xFFFF) ? 2 : 7)) << 3) - 6, '\r'), 3) + 18;

	Widget_SetCurrentWidget(1);

	screenBackup = malloc(GFX_GetSize(g_curWidgetWidth * 8, g_curWidgetHeight));

	if (screenBackup != NULL) {
		GFX_CopyToBuffer(g_curWidgetXBase * 8, g_curWidgetYBase, g_curWidgetWidth * 8, g_curWidgetHeight, screenBackup);
	}

	GUI_Widget_DrawBorder(1, 1, 1);

	if (spriteID != 0xFFFF) {
		GUI_DrawSprite(SCREEN_ACTIVE, g_sprites[spriteID], 7, 8, 1, DRAWSPRITE_FLAG_WIDGETPOS);
		GUI_Widget_SetProperties(1, g_curWidgetXBase + 5, g_curWidgetYBase + 8, g_curWidgetWidth - 7, g_curWidgetHeight - 16);
	} else {
		GUI_Widget_SetProperties(1, g_curWidgetXBase + 1, g_curWidgetYBase + 8, g_curWidgetWidth - 2, g_curWidgetHeight - 16);
	}

	g_curWidgetFGColourNormal = 0;

	GUI_DrawText(textBuffer, g_curWidgetXBase << 3, g_curWidgetYBase, g_curWidgetFGColourBlink, g_curWidgetFGColourNormal);

	GFX_SetPalette(g_palette1);

	GUI_Mouse_Show_Safe();

	for (g_timerTimeout = 30; g_timerTimeout != 0; sleepIdle()) {
		GUI_PaletteAnimate();
	}

	Input_History_Clear();

	do {
		GUI_PaletteAnimate();