Function GUI_EditBox

src/gui/editbox.c:52–183

* Show an EditBox and handles the input. * @param text The text to edit. Uses the pointer to make the modifications. * @param maxLength The maximum length of the text. * @param widgetID the widget in which the EditBox is displayed. * @param w The widget this editbox is attached to (for input events). * @param tickProc The function to call every tick, for animation etc. * @param paint Flag in

 * @return Key code / Button press code.
 */
uint16 GUI_EditBox(char *text, uint16 maxLength, uint16 widgetID, Widget *w, uint16 (*tickProc)(void), bool paint)
{
	Screen oldScreenID;
	uint16 oldWidgetID;
	uint16 positionX;
	uint16 maxWidth;
	uint16 textWidth;
	uint16 textLength;
	uint16 returnValue;
	char *t;

	/* Initialize */
	{
		Input_Flags_SetBits(INPUT_FLAG_NO_TRANSLATE);
		Input_Flags_ClearBits(INPUT_FLAG_UNKNOWN_2000);

		oldScreenID = GFX_Screen_SetActive(SCREEN_0);

		oldWidgetID = Widget_SetCurrentWidget(widgetID);

		returnValue = 0x0;
	}

	positionX = g_curWidgetXBase << 3;

	textWidth = 0;
	textLength = 0;
	maxWidth = (g_curWidgetWidth << 3) - Font_GetCharWidth('W') - 1;
	t = text;

	/* Calculate the length and width of the current string */
	for (; *t != '\0'; t++) {
		textWidth += Font_GetCharWidth(*t);
		textLength++;

		if (textWidth >= maxWidth) break;
	}
	*t = '\0';

	GUI_Mouse_Hide_Safe();

	if (paint) Widget_PaintCurrentWidget();

	GUI_DrawText_Wrapper(text, positionX, g_curWidgetYBase, g_curWidgetFGColourBlink, g_curWidgetFGColourNormal, 0);

	GUI_EditBox_BlinkCursor(positionX + textWidth, false);

	GUI_Mouse_Show_Safe();

	for (;; sleepIdle()) {
		uint16 keyWidth;
		uint16 key;

		if (tickProc != NULL) {
			returnValue = tickProc();
			if (returnValue != 0) break;
		}