/** Handle key without modifier. */
static void key_handle_unmod(kbd_event_t const *ev)
{
switch (ev->key) {
case KC_ENTER:
selection_delete();
insert_char('\n');
caret_update();
break;
case KC_LEFT:
case KC_RIGHT:
case KC_UP:
case KC_DOWN:
case KC_HOME:
case KC_END:
case KC_PAGE_UP:
case KC_PAGE_DOWN:
key_handle_movement(ev->key, false);
break;
case KC_BACKSPACE:
if (selection_active())
selection_delete();
else
delete_char_before();
caret_update();
break;
case KC_DELETE:
if (selection_active())
selection_delete();
else
delete_char_after();
caret_update();
break;
default:
if (ev->c >= 32 || ev->c == '\t') {
selection_delete();
insert_char(ev->c);
caret_update();
}
break;
}
}
/** Handle Ctrl-key combination. */
static void key_handle_ctrl(kbd_event_t const *ev)
{
switch (ev->key) {
case KC_Q:
done = true;
break;
case KC_S:
if (doc.file_name != NULL)
file_save(doc.file_name);
else
file_save_as();
break;
case KC_E:
file_save_as();
break;
case KC_C:
selection_copy();
break;
case KC_V:
selection_delete();
insert_clipboard_data();
pane.rflags |= REDRAW_TEXT;
caret_update();
break;
case KC_X:
selection_copy();
selection_delete();
pane.rflags |= REDRAW_TEXT;
caret_update();
break;
case KC_A:
selection_sel_all();
break;
default:
break;
}
}
/** Handle Shift-key combination. */
static void key_handle_shift(kbd_event_t const *ev)
{
switch (ev->key) {
case KC_LEFT:
case KC_RIGHT:
case KC_UP:
case KC_DOWN:
case KC_HOME:
case KC_END:
case KC_PAGE_UP:
case KC_PAGE_DOWN:
key_handle_movement(ev->key, true);
break;
default:
if (ev->c >= 32 || ev->c == '\t') {
selection_delete();
insert_char(ev->c);
caret_update();
}
break;
}
}
void LineEdit::_input_event(InputEvent p_event) {
switch(p_event.type) {
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &b = p_event.mouse_button;
if (b.pressed && b.button_index==BUTTON_RIGHT) {
menu->set_pos(get_global_transform().xform(get_local_mouse_pos()));
menu->set_size(Vector2(1,1));
menu->popup();
grab_focus();
return;
}
if (b.button_index!=BUTTON_LEFT)
break;
_reset_caret_blink_timer();
if (b.pressed) {
shift_selection_check_pre(b.mod.shift);
set_cursor_at_pixel_pos(b.x);
if (b.mod.shift) {
selection_fill_at_cursor();
selection.creating=true;
} else {
if (b.doubleclick) {
selection.enabled=true;
selection.begin=0;
selection.end=text.length();
selection.doubleclick=true;
}
selection.drag_attempt=false;
if ((cursor_pos<selection.begin) || (cursor_pos>selection.end) || !selection.enabled) {
selection_clear();
selection.cursor_start=cursor_pos;
selection.creating=true;
} else if (selection.enabled) {
selection.drag_attempt=true;
}
}
// if (!editable)
// non_editable_clicked_signal.call();
update();
} else {
if ( (!selection.creating) && (!selection.doubleclick)) {
selection_clear();
}
selection.creating=false;
selection.doubleclick=false;
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->show_virtual_keyboard(text,get_global_rect());
}
update();
}
break;
case InputEvent::MOUSE_MOTION: {
const InputEventMouseMotion& m=p_event.mouse_motion;
if (m.button_mask&BUTTON_LEFT) {
if (selection.creating) {
set_cursor_at_pixel_pos(m.x);
selection_fill_at_cursor();
}
}
}
break;
case InputEvent::KEY: {
const InputEventKey &k =p_event.key;
if (!k.pressed)
return;
unsigned int code = k.scancode;
if (k.mod.command) {
bool handled=true;
switch (code) {
case (KEY_X): { // CUT
if(editable) {
cut_text();
}
}
break;
case (KEY_C): { // COPY
copy_text();
}
break;
case (KEY_V): { // PASTE
if(editable) {
paste_text();
}
}
break;
case (KEY_Z): { // Simple One level undo
if(editable) {
undo();
}
}
break;
case (KEY_U): { // Delete from start to cursor
if(editable) {
selection_clear();
undo_text = text;
text = text.substr(cursor_pos,text.length()-cursor_pos);
Ref<Font> font = get_font("font");
cached_width = 0;
if (font != NULL) {
for (int i = 0; i < text.length(); i++)
cached_width += font->get_char_size(text[i]).width;
}
set_cursor_pos(0);
_text_changed();
}
}
break;
case (KEY_Y): { // PASTE (Yank for unix users)
if(editable) {
paste_text();
}
}
break;
case (KEY_K): { // Delete from cursor_pos to end
if(editable) {
selection_clear();
undo_text = text;
text = text.substr(0,cursor_pos);
_text_changed();
}
}
break;
case (KEY_A): { //Select All
select();
}
break;
default: {
handled=false;
}
}
if (handled) {
accept_event();
return;
}
}
_reset_caret_blink_timer();
if (!k.mod.meta) {
bool handled=true;
switch (code) {
case KEY_ENTER:
case KEY_RETURN: {
emit_signal( "text_entered",text );
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->hide_virtual_keyboard();
return;
}
break;
case KEY_BACKSPACE: {
if (!editable)
break;
if (selection.enabled) {
undo_text=text;
selection_delete();
break;
}
#ifdef APPLE_STYLE_KEYS
if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
int cc=cursor_pos;
bool prev_char=false;
while (cc>0) {
bool ischar=_is_text_char(text[cc-1]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc--;
}
delete_text(cc, cursor_pos);
set_cursor_pos(cc);
} else {
undo_text=text;
delete_char();
}
}
break;
case KEY_KP_4: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_left
}
case KEY_LEFT: {
#ifndef APPLE_STYLE_KEYS
if (!k.mod.alt)
#endif
shift_selection_check_pre(k.mod.shift);
#ifdef APPLE_STYLE_KEYS
if (k.mod.command) {
set_cursor_pos(0);
} else if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
bool prev_char=false;
int cc=cursor_pos;
while (cc>0) {
bool ischar=_is_text_char(text[cc-1]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc--;
}
set_cursor_pos(cc);
} else {
set_cursor_pos(get_cursor_pos()-1);
}
shift_selection_check_post(k.mod.shift);
}
break;
case KEY_KP_6: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_right
}
case KEY_RIGHT: {
shift_selection_check_pre(k.mod.shift);
#ifdef APPLE_STYLE_KEYS
if (k.mod.command) {
set_cursor_pos(text.length());
} else if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
bool prev_char=false;
int cc=cursor_pos;
while (cc<text.length()) {
bool ischar=_is_text_char(text[cc]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc++;
}
set_cursor_pos(cc);
} else {
set_cursor_pos(get_cursor_pos()+1);
}
shift_selection_check_post(k.mod.shift);
}
break;
case KEY_DELETE: {
if (!editable)
break;
if (k.mod.shift && !k.mod.command && !k.mod.alt) {
cut_text();
break;
}
if (selection.enabled) {
undo_text=text;
selection_delete();
break;
}
int text_len = text.length();
if (cursor_pos==text_len)
break; // nothing to do
#ifdef APPLE_STYLE_KEYS
if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
int cc=cursor_pos;
bool prev_char=false;
while (cc<text.length()) {
bool ischar=_is_text_char(text[cc]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc++;
}
delete_text(cursor_pos,cc);
} else {
undo_text=text;
set_cursor_pos(cursor_pos+1);
delete_char();
}
}
break;
case KEY_KP_7: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_home
}
case KEY_HOME: {
shift_selection_check_pre(k.mod.shift);
set_cursor_pos(0);
shift_selection_check_post(k.mod.shift);
}
break;
case KEY_KP_1: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_end
}
case KEY_END: {
shift_selection_check_pre(k.mod.shift);
set_cursor_pos(text.length());
shift_selection_check_post(k.mod.shift);
}
break;
default: {
handled=false;
}
break;
}
if (handled) {
accept_event();
} else if (!k.mod.alt && !k.mod.command) {
if (k.unicode>=32 && k.scancode!=KEY_DELETE) {
if (editable) {
selection_delete();
CharType ucodestr[2]= {(CharType)k.unicode,0};
append_at_cursor(ucodestr);
_text_changed();
accept_event();
}
} else {
return;
}
}
update();
}
return;
}
break;
}
}
void LineEdit::set_align(Align p_align) {
ERR_FAIL_INDEX(p_align, 4);
align = p_align;
update();
}
LineEdit::Align LineEdit::get_align() const {
return align;
}
Variant LineEdit::get_drag_data(const Point2& p_point) {
if (selection.drag_attempt && selection.enabled) {
String t = text.substr(selection.begin, selection.end - selection.begin);
Label *l = memnew( Label );
l->set_text(t);
set_drag_preview(l);
return t;
}
return Variant();
}
bool LineEdit::can_drop_data(const Point2& p_point,const Variant& p_data) const {
return p_data.get_type()==Variant::STRING;
}
void LineEdit::drop_data(const Point2& p_point,const Variant& p_data) {
if (p_data.get_type()==Variant::STRING) {
set_cursor_at_pixel_pos(p_point.x);
int selected = selection.end - selection.begin;
Ref<Font> font = get_font("font");
if (font != NULL) {
for (int i = selection.begin; i < selection.end; i++)
cached_width -= font->get_char_size(text[i]).width;
}
text.erase(selection.begin, selected);
append_at_cursor(p_data);
selection.begin = cursor_pos-selected;
selection.end = cursor_pos;
}
}
void LineEdit::_notification(int p_what) {
switch(p_what) {
#ifdef TOOLS_ENABLED
case NOTIFICATION_ENTER_TREE: {
if (get_tree()->is_editor_hint()) {
cursor_set_blink_enabled(EDITOR_DEF("text_editor/caret_blink", false));
cursor_set_blink_speed(EDITOR_DEF("text_editor/caret_blink_speed", 0.65));
if (!EditorSettings::get_singleton()->is_connected("settings_changed",this,"_editor_settings_changed")) {
EditorSettings::get_singleton()->connect("settings_changed",this,"_editor_settings_changed");
}
}
}
break;
#endif
case NOTIFICATION_RESIZED: {
set_cursor_pos( get_cursor_pos() );
}
break;
case MainLoop::NOTIFICATION_WM_FOCUS_IN: {
window_has_focus = true;
draw_caret = true;
update();
}
break;
case MainLoop::NOTIFICATION_WM_FOCUS_OUT: {
window_has_focus = false;
draw_caret = false;
update();
}
break;
case NOTIFICATION_DRAW: {
if ((!has_focus() && !menu->has_focus()) || !window_has_focus) {
draw_caret = false;
}
int width,height;
Size2 size=get_size();
width=size.width;
height=size.height;
RID ci = get_canvas_item();
Ref<StyleBox> style = get_stylebox("normal");
if (!is_editable())
style=get_stylebox("read_only");
Ref<Font> font=get_font("font");
style->draw( ci, Rect2( Point2(), size ) );
if (has_focus()) {
get_stylebox("focus")->draw( ci, Rect2( Point2(), size ) );
}
int x_ofs=0;
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
x_ofs=style->get_offset().x;
}
break;
case ALIGN_CENTER: {
x_ofs=int(size.width-(cached_width))/2;
}
break;
case ALIGN_RIGHT: {
x_ofs=int(size.width-style->get_offset().x-(cached_width));
}
break;
}
int ofs_max=width-style->get_minimum_size().width;
int char_ofs=window_pos;
int y_area=height-style->get_minimum_size().height;
int y_ofs=style->get_offset().y;
int font_ascent=font->get_ascent();
Color selection_color=get_color("selection_color");
Color font_color=get_color("font_color");
Color font_color_selected=get_color("font_color_selected");
Color cursor_color=get_color("cursor_color");
const String& t = text.empty() ? placeholder : text;
// draw placeholder color
if(text.empty())
font_color.a *= placeholder_alpha;
int caret_height = font->get_height() > y_area ? y_area : font->get_height();
while(true) {
//end of string, break!
if (char_ofs>=t.length())
break;
CharType cchar=pass?'*':t[char_ofs];
CharType next=pass?'*':t[char_ofs+1];
int char_width=font->get_char_size( cchar,next ).width;
// end of widget, break!
if ((x_ofs + char_width) > ofs_max)
break;
bool selected=selection.enabled && char_ofs>=selection.begin && char_ofs<selection.end;
if (selected)
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs), Size2(char_width, caret_height)), selection_color);
font->draw_char(ci, Point2(x_ofs, y_ofs + font_ascent), cchar, next, selected ? font_color_selected : font_color);
if (char_ofs==cursor_pos && draw_caret) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(
Point2( x_ofs , y_ofs ), Size2( 1, caret_height ) ), cursor_color );
}
x_ofs+=char_width;
char_ofs++;
}
if (char_ofs==cursor_pos && draw_caret) {//may be at the end
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(
Point2( x_ofs , y_ofs ), Size2( 1, caret_height ) ), cursor_color );
}
}
break;
case NOTIFICATION_FOCUS_ENTER: {
if (!caret_blink_enabled) {
draw_caret = true;
}
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->show_virtual_keyboard(text,get_global_rect());
}
break;
case NOTIFICATION_FOCUS_EXIT: {
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->hide_virtual_keyboard();
}
break;
}
}
void LineEdit::copy_text() {
if(selection.enabled) {
OS::get_singleton()->set_clipboard(text.substr(selection.begin, selection.end - selection.begin));
}
}
void LineEdit::cut_text() {
if(selection.enabled) {
undo_text = text;
OS::get_singleton()->set_clipboard(text.substr(selection.begin, selection.end - selection.begin));
selection_delete();
}
}
void LineEdit::paste_text() {
String paste_buffer = OS::get_singleton()->get_clipboard();
if(paste_buffer != "") {
if(selection.enabled) selection_delete();
append_at_cursor(paste_buffer);
_text_changed();
}
}
void LineEdit::undo() {
int old_cursor_pos = cursor_pos;
text = undo_text;
Ref<Font> font = get_font("font");
cached_width = 0;
for (int i = 0; i<text.length(); i++)
cached_width += font->get_char_size(text[i]).width;
if(old_cursor_pos > text.length()) {
set_cursor_pos(text.length());
} else {
set_cursor_pos(old_cursor_pos);
}
_text_changed();
}
