uint16 GUI_Mentat_SplitText(char *str, uint16 maxWidth)
{
uint16 lines = 0;
uint16 height = 0;
if (str == NULL) return 0;
while (*str != '\0') {
uint16 width = 0;
while (width < maxWidth && *str != '.' && *str != '!' && *str != '?' && *str != '\0' && *str != '\r') {
width += Font_GetCharWidth(*str++);
}
if (width >= maxWidth) {
while (*str != ' ') width -= Font_GetCharWidth(*str--);
}
height++;
if ((*str != '\0' && (*str == '.' || *str == '!' || *str == '?' || *str == '\r')) || height >= 3) {
while (*str != '\0' && (*str == ' ' || *str == '.' || *str == '!' || *str == '?' || *str == '\r')) str++;
if (*str != '\0') str[-1] = '\0';
height = 0;
lines++;
continue;
}
if (*str == '\0') {
lines++;
height = 0;
continue;
}
*str++ = '\r';
}
return lines;
}
/**
* Draw a blinking cursor, used inside the EditBox.
*
* @param positionX Where to draw the cursor on the X position.
* @param resetBlink If true, the blinking is reset and restarted.
*/
static void GUI_EditBox_BlinkCursor(uint16 positionX, bool resetBlink)
{
static uint32 tickEditBox = 0; /* Ticker for cursor blinking. */
static bool editBoxShowCursor = false; /* Cursor is active. */
if (resetBlink) {
tickEditBox = 0;
editBoxShowCursor = true;
}
if (tickEditBox > g_timerGUI) return;
if (!resetBlink) {
tickEditBox = g_timerGUI + 20;
}
editBoxShowCursor = !editBoxShowCursor;
GUI_Mouse_Hide_Safe();
GUI_DrawFilledRectangle(positionX, g_curWidgetYBase, positionX + Font_GetCharWidth('W'), g_curWidgetYBase + g_curWidgetHeight - 1, (editBoxShowCursor) ? g_curWidgetFGColourBlink : g_curWidgetFGColourNormal);
GUI_Mouse_Show_Safe();
}
/**
* 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 unknown1 Unknown.
* @param w The widget this editbox is attached to.
* @param tickProc The function to call every tick, for animation etc.
* @param unknown4 Unknown.
* @return Unknown.
*/
uint16 GUI_EditBox(char *text, uint16 maxLength, uint16 unknown1, Widget *w, uint16 (*tickProc)(void), uint16 unknown4)
{
Screen oldScreenID;
uint16 oldValue_07AE_0000;
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);
oldValue_07AE_0000 = Widget_SetCurrentWidget(unknown1);
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';
if ((unknown4 & 0x1) != 0) {
unknown4 |= 0x4;
}
GUI_Mouse_Hide_Safe();
if ((unknown4 & 0x4) != 0) 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;
}
key = GUI_Widget_HandleEvents(w);
GUI_EditBox_BlinkCursor(positionX + textWidth, false);
if (key == 0x0) continue;
if ((key & 0x8000) != 0) {
returnValue = key;
break;
}
if (key == 0x2B) {
returnValue = 0x2B;
break;
}
if (key == 0x6E) {
*t = '\0';
returnValue = 0x6B;
break;
}
/* Handle backspace */
if (key == 0x0F) {
if (textLength == 0) continue;
GUI_EditBox_BlinkCursor(positionX + textWidth, true);
textWidth -= Font_GetCharWidth(*(t - 1));
textLength--;
*(--t) = '\0';
GUI_EditBox_BlinkCursor(positionX + textWidth, false);
continue;
}
key = Input_Keyboard_HandleKeys(key) & 0xFF;
/* Names can't start with a space, and should be alpha-numeric */
if ((key == 0x20 && textLength == 0) || key < 0x20 || key > 0x7E) continue;
keyWidth = Font_GetCharWidth(key & 0xFF);
if (textWidth + keyWidth >= maxWidth || textLength >= maxLength) continue;
/* Add char to the text */
*t = key & 0xFF;
*(++t) = '\0';
textLength++;
GUI_Mouse_Hide_Safe();
GUI_EditBox_BlinkCursor(positionX + textWidth, true);
/* Draw new character */
GUI_DrawText_Wrapper(text + textLength - 1, positionX + textWidth, g_curWidgetYBase, g_curWidgetFGColourBlink, g_curWidgetFGColourNormal, 0x020);
GUI_Mouse_Show_Safe();
textWidth += keyWidth;
GUI_EditBox_BlinkCursor(positionX + textWidth, false);
}
/* Deinitialize */
{
Input_Flags_ClearBits(INPUT_FLAG_NO_TRANSLATE);
Input_Flags_SetBits(INPUT_FLAG_UNKNOWN_2000);
Widget_SetCurrentWidget(oldValue_07AE_0000);
GFX_Screen_SetActive(oldScreenID);
}
return returnValue;
}
