static void TXT_InputBoxDrawer(TXT_UNCAST_ARG(inputbox))
{
TXT_CAST_ARG(txt_inputbox_t, inputbox);
int focused;
int i;
int chars;
int w;
focused = inputbox->widget.focused;
w = inputbox->widget.w;
// Select the background color based on whether we are currently
// editing, and if not, whether the widget is focused.
if (inputbox->editing && focused)
{
TXT_BGColor(TXT_COLOR_BLACK, 0);
}
else
{
TXT_SetWidgetBG(inputbox);
}
if (!inputbox->editing)
{
// If not editing, use the current value from inputbox->value.
SetBufferFromValue(inputbox);
}
// If string size exceeds the widget's width, show only the end.
if (TXT_UTF8_Strlen(inputbox->buffer) > w - 1)
{
TXT_DrawString("\xae");
TXT_DrawUTF8String(
TXT_UTF8_SkipChars(inputbox->buffer,
TXT_UTF8_Strlen(inputbox->buffer) - w + 2));
chars = w - 1;
}
else
{
TXT_DrawUTF8String(inputbox->buffer);
chars = TXT_UTF8_Strlen(inputbox->buffer);
}
if (chars < w && inputbox->editing && focused)
{
TXT_BGColor(TXT_COLOR_BLACK, 1);
TXT_DrawString("_");
++chars;
}
for (i=chars; i < w; ++i)
{
TXT_DrawString(" ");
}
}
void TXT_SetLabel(txt_label_t *label, char *value)
{
char *p;
unsigned int y;
// Free back the old label
free(label->label);
free(label->lines);
// Set the new value
label->label = strdup(value);
// Work out how many lines in this label
label->h = 1;
for (p = value; *p != '\0'; ++p)
{
if (*p == '\n')
{
++label->h;
}
}
// Split into lines
label->lines = malloc(sizeof(char *) * label->h);
label->lines[0] = label->label;
y = 1;
for (p = label->label; *p != '\0'; ++p)
{
if (*p == '\n')
{
label->lines[y] = p + 1;
*p = '\0';
++y;
}
}
label->w = 0;
for (y=0; y<label->h; ++y)
{
unsigned int line_len;
line_len = TXT_UTF8_Strlen(label->lines[y]);
if (line_len > label->w)
label->w = line_len;
}
}
static void AddCharacter(txt_inputbox_t *inputbox, int key)
{
char *end, *p;
if (TXT_UTF8_Strlen(inputbox->buffer) < inputbox->size)
{
// Add character to the buffer
end = inputbox->buffer + strlen(inputbox->buffer);
p = TXT_EncodeUTF8(end, key);
*p = '\0';
}
}
static void Backspace(txt_inputbox_t *inputbox)
{
unsigned int len;
char *p;
len = TXT_UTF8_Strlen(inputbox->buffer);
if (len > 0)
{
p = TXT_UTF8_SkipChars(inputbox->buffer, len - 1);
*p = '\0';
}
}
static void TXT_SeparatorSizeCalc(TXT_UNCAST_ARG(separator))
{
TXT_CAST_ARG(txt_separator_t, separator);
if (separator->label != NULL)
{
// Minimum width is the string length + two spaces for padding
separator->widget.w = TXT_UTF8_Strlen(separator->label) + 2;
}
else
{
separator->widget.w = 0;
}
separator->widget.h = 1;
}
static void TXT_JoystickAxisDrawer(TXT_UNCAST_ARG(joystick_axis))
{
TXT_CAST_ARG(txt_joystick_axis_t, joystick_axis);
char buf[JOYSTICK_AXIS_WIDTH + 1];
int i;
if (*joystick_axis->axis < 0)
{
M_StringCopy(buf, "(none)", sizeof(buf));
}
else if (IS_BUTTON_AXIS(*joystick_axis->axis))
{
int neg, pos;
neg = BUTTON_AXIS_NEG(*joystick_axis->axis);
pos = BUTTON_AXIS_POS(*joystick_axis->axis);
M_snprintf(buf, sizeof(buf), "BUTTONS #%i+#%i", neg, pos);
}
else if (IS_HAT_AXIS(*joystick_axis->axis))
{
int hat, dir;
hat = HAT_AXIS_HAT(*joystick_axis->axis);
dir = HAT_AXIS_DIRECTION(*joystick_axis->axis);
M_snprintf(buf, sizeof(buf), "HAT #%i (%s)", hat,
dir == HAT_AXIS_HORIZONTAL ? "horizontal" : "vertical");
}
else
{
M_snprintf(buf, sizeof(buf), "AXIS #%i", *joystick_axis->axis);
}
TXT_SetWidgetBG(joystick_axis);
TXT_FGColor(TXT_COLOR_BRIGHT_WHITE);
TXT_DrawString(buf);
for (i = TXT_UTF8_Strlen(buf); i < joystick_axis->widget.w; ++i)
{
TXT_DrawString(" ");
}
}
static void TXT_LabelDrawer(TXT_UNCAST_ARG(label))
{
TXT_CAST_ARG(txt_label_t, label);
unsigned int x, y;
int origin_x, origin_y;
unsigned int align_indent = 0;
unsigned int w;
w = label->widget.w;
if (label->bgcolor >= 0)
{
TXT_BGColor(label->bgcolor, 0);
}
if (label->fgcolor >= 0)
{
TXT_FGColor(label->fgcolor);
}
TXT_GetXY(&origin_x, &origin_y);
for (y=0; y<label->h; ++y)
{
// Calculate the amount to indent this line due to the align
// setting
switch (label->widget.align)
{
case TXT_HORIZ_LEFT:
align_indent = 0;
break;
case TXT_HORIZ_CENTER:
align_indent = (label->w - strlen(label->lines[y])) / 2;
break;
case TXT_HORIZ_RIGHT:
align_indent = label->w - strlen(label->lines[y]);
break;
}
// Draw this line
TXT_GotoXY(origin_x, origin_y + y);
// Gap at the start
for (x=0; x<align_indent; ++x)
{
TXT_DrawString(" ");
}
// The string itself
TXT_DrawUTF8String(label->lines[y]);
x += TXT_UTF8_Strlen(label->lines[y]);
// Gap at the end
for (; x<w; ++x)
{
TXT_DrawString(" ");
}
}
}