void WidgetEdit::increment_edit_pos()
{
this->edit_pos++;
size_t n = UTF8GetPos(reinterpret_cast<uint8_t *>(this->label.buffer + this->edit_buffer_pos), 1);
char c = this->label.buffer[this->edit_buffer_pos + n];
this->label.buffer[this->edit_buffer_pos + n] = 0;
gdi::TextMetrics tm(this->font, this->label.buffer + this->edit_buffer_pos);
this->h_text = tm.height;
this->cursor_px_pos += tm.width;
this->label.buffer[this->edit_buffer_pos + n] = c;
this->edit_buffer_pos += n;
if (this->label.shift_text(this->cursor_px_pos)) {
this->drawall = true;
}
}
WidgetEdit::WidgetEdit(
gdi::GraphicApi & drawable,
Widget & parent, NotifyApi* notifier, const char * text,
int group_id, BGRColor fgcolor, BGRColor bgcolor, BGRColor focus_color,
Font const & font, std::size_t edit_position, int xtext, int ytext)
: Widget(drawable, parent, notifier, group_id)
, label(drawable, *this, nullptr, text, 0, fgcolor, bgcolor, font, xtext, ytext)
, w_text(0)
, h_text(0)
, cursor_color(0x888888)
, focus_color(focus_color)
, drawall(false)
, draw_border_focus(true)
, font(font)
{
if (text) {
this->buffer_size = strlen(text);
this->num_chars = UTF8Len(byte_ptr_cast(this->label.buffer));
this->edit_pos = std::min(this->num_chars, edit_position);
this->edit_buffer_pos = UTF8GetPos(reinterpret_cast<uint8_t *>(this->label.buffer), this->edit_pos);
this->cursor_px_pos = 0;
char c = this->label.buffer[this->edit_buffer_pos];
this->label.buffer[this->edit_buffer_pos] = 0;
gdi::TextMetrics tm1(this->font, this->label.buffer);
this->w_text = tm1.width;
this->cursor_px_pos = this->w_text;
this->label.buffer[this->edit_buffer_pos] = c;
// TODO: tm.height unused ?
gdi::TextMetrics tm2(this->font, &this->label.buffer[this->edit_buffer_pos]);
this->w_text += tm2.width;
} else {
this->buffer_size = 0;
this->num_chars = 0;
this->edit_buffer_pos = 0;
this->edit_pos = 0;
this->cursor_px_pos = 0;
}
// TODO: tm.width unused ?
gdi::TextMetrics tm(this->font, "Édp");
this->h_text = tm.height;
this->h_text -= 1;
this->pointer_flag = Pointer::POINTER_EDIT;
}
virtual void rdp_input_mouse(int device_flags, int x, int y, Keymap2* keymap)
{
if (device_flags == (MOUSE_FLAG_BUTTON1|MOUSE_FLAG_DOWN)) {
Rect old_cursor_rect = this->get_cursor_rect();
size_t e = this->edit_pos;
if (x <= this->dx() + this->masked_text.x_text + this->w_char/2) {
this->edit_pos = 0;
this->edit_buffer_pos = 0;
}
else if (x >= int(this->dx() + this->masked_text.x_text + this->w_char * this->num_chars)) {
if (this->edit_pos < this->num_chars) {
this->edit_pos = this->num_chars;
this->edit_buffer_pos = this->buffer_size;
}
}
else {
// dx
// <---------->
// x
// <------------------->
// -x_text
// <------> screen
// +-------------------------------------------------------------
// | editbox
// | +--------------------------------+
// | {.......|.......X................} |
// | +--------------------------------+
// | <--------------->
// | (x - dx - x_text)
// |
this->edit_pos = std::min<size_t>((x - this->dx() - this->masked_text.x_text - this->w_char/2) / this->w_char, this->num_chars-1);
this->edit_buffer_pos = UTF8GetPos(reinterpret_cast<uint8_t*>(&this->label.buffer[0]), this->edit_pos);
}
if (e != this->edit_pos) {
this->update_draw_cursor(old_cursor_rect);
}
} else {
Widget2::rdp_input_mouse(device_flags, x, y, keymap);
}
}
