93ab45b6b5
They do not play well with clang-format which aligns the `//` part with the rest of the code block, thus producing badly indented commented code.
1372 lines
30 KiB
C++
1372 lines
30 KiB
C++
/*************************************************************************/
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/* line_edit.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "line_edit.h"
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#include "os/keyboard.h"
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#include "os/os.h"
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#include "print_string.h"
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#include "label.h"
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#include "translation.h"
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#ifdef TOOLS_ENABLED
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#include "tools/editor/editor_settings.h"
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#endif
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static bool _is_text_char(CharType c) {
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return (c>='a' && c<='z') || (c>='A' && c<='Z') || (c>='0' && c<='9') || c=='_';
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}
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void LineEdit::_gui_input(InputEvent p_event) {
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switch(p_event.type) {
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case InputEvent::MOUSE_BUTTON: {
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const InputEventMouseButton &b = p_event.mouse_button;
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if (b.pressed && b.button_index==BUTTON_RIGHT) {
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menu->set_pos(get_global_transform().xform(get_local_mouse_pos()));
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menu->set_size(Vector2(1,1));
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menu->popup();
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grab_focus();
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return;
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}
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if (b.button_index!=BUTTON_LEFT)
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break;
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_reset_caret_blink_timer();
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if (b.pressed) {
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shift_selection_check_pre(b.mod.shift);
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set_cursor_at_pixel_pos(b.x);
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if (b.mod.shift) {
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selection_fill_at_cursor();
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selection.creating=true;
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} else {
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if (b.doubleclick) {
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selection.enabled=true;
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selection.begin=0;
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selection.end=text.length();
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selection.doubleclick=true;
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}
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selection.drag_attempt=false;
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if ((cursor_pos<selection.begin) || (cursor_pos>selection.end) || !selection.enabled) {
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selection_clear();
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selection.cursor_start=cursor_pos;
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selection.creating=true;
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} else if (selection.enabled) {
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selection.drag_attempt=true;
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}
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}
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update();
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} else {
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if ( (!selection.creating) && (!selection.doubleclick)) {
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selection_clear();
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}
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selection.creating=false;
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selection.doubleclick=false;
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if (OS::get_singleton()->has_virtual_keyboard())
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OS::get_singleton()->show_virtual_keyboard(text,get_global_rect());
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}
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update();
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} break;
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case InputEvent::MOUSE_MOTION: {
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const InputEventMouseMotion& m=p_event.mouse_motion;
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if (m.button_mask&BUTTON_LEFT) {
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if (selection.creating) {
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set_cursor_at_pixel_pos(m.x);
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selection_fill_at_cursor();
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}
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}
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} break;
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case InputEvent::KEY: {
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const InputEventKey &k =p_event.key;
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if (!k.pressed)
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return;
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unsigned int code = k.scancode;
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if (k.mod.command) {
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bool handled=true;
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switch (code) {
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case (KEY_X): { // CUT
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if(editable) {
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cut_text();
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}
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} break;
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case (KEY_C): { // COPY
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copy_text();
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} break;
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case (KEY_V): { // PASTE
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if(editable) {
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paste_text();
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}
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} break;
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case (KEY_Z): { // Simple One level undo
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if(editable) {
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undo();
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}
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} break;
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case (KEY_U): { // Delete from start to cursor
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if(editable) {
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selection_clear();
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undo_text = text;
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text = text.substr(cursor_pos,text.length()-cursor_pos);
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Ref<Font> font = get_font("font");
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cached_width = 0;
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if (font != NULL) {
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for (int i = 0; i < text.length(); i++)
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cached_width += font->get_char_size(text[i]).width;
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}
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set_cursor_pos(0);
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_text_changed();
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}
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} break;
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case (KEY_Y): { // PASTE (Yank for unix users)
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if(editable) {
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paste_text();
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}
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} break;
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case (KEY_K): { // Delete from cursor_pos to end
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if(editable) {
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selection_clear();
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undo_text = text;
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text = text.substr(0,cursor_pos);
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_text_changed();
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}
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} break;
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case (KEY_A): { //Select All
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select();
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} break;
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default: { handled=false;}
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}
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if (handled) {
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accept_event();
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return;
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}
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}
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_reset_caret_blink_timer();
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if (!k.mod.meta) {
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bool handled=true;
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switch (code) {
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case KEY_ENTER:
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case KEY_RETURN: {
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emit_signal( "text_entered",text );
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if (OS::get_singleton()->has_virtual_keyboard())
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OS::get_singleton()->hide_virtual_keyboard();
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return;
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} break;
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case KEY_BACKSPACE: {
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if (!editable)
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break;
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if (selection.enabled) {
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undo_text=text;
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selection_delete();
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break;
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}
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#ifdef APPLE_STYLE_KEYS
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if (k.mod.alt) {
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#else
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if (k.mod.alt) {
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handled=false;
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break;
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} else if (k.mod.command) {
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#endif
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int cc=cursor_pos;
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bool prev_char=false;
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while (cc>0) {
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bool ischar=_is_text_char(text[cc-1]);
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if (prev_char && !ischar)
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break;
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prev_char=ischar;
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cc--;
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}
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delete_text(cc, cursor_pos);
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set_cursor_pos(cc);
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} else {
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undo_text=text;
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delete_char();
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}
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} break;
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case KEY_KP_4: {
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if (k.unicode != 0) {
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handled = false;
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break;
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}
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// numlock disabled. fallthrough to key_left
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}
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case KEY_LEFT: {
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#ifndef APPLE_STYLE_KEYS
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if (!k.mod.alt)
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#endif
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shift_selection_check_pre(k.mod.shift);
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#ifdef APPLE_STYLE_KEYS
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if (k.mod.command) {
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set_cursor_pos(0);
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} else if (k.mod.alt) {
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#else
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if (k.mod.alt) {
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handled=false;
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break;
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} else if (k.mod.command) {
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#endif
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bool prev_char=false;
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int cc=cursor_pos;
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while (cc>0) {
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bool ischar=_is_text_char(text[cc-1]);
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if (prev_char && !ischar)
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break;
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prev_char=ischar;
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cc--;
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}
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set_cursor_pos(cc);
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} else {
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set_cursor_pos(get_cursor_pos()-1);
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}
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shift_selection_check_post(k.mod.shift);
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} break;
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case KEY_KP_6: {
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if (k.unicode != 0) {
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handled = false;
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break;
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}
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// numlock disabled. fallthrough to key_right
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}
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case KEY_RIGHT: {
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shift_selection_check_pre(k.mod.shift);
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#ifdef APPLE_STYLE_KEYS
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if (k.mod.command) {
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set_cursor_pos(text.length());
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} else if (k.mod.alt) {
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#else
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if (k.mod.alt) {
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handled=false;
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break;
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} else if (k.mod.command) {
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#endif
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bool prev_char=false;
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int cc=cursor_pos;
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while (cc<text.length()) {
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bool ischar=_is_text_char(text[cc]);
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if (prev_char && !ischar)
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break;
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prev_char=ischar;
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cc++;
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}
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set_cursor_pos(cc);
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} else {
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set_cursor_pos(get_cursor_pos()+1);
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}
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shift_selection_check_post(k.mod.shift);
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} break;
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case KEY_DELETE: {
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if (!editable)
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break;
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if (k.mod.shift && !k.mod.command && !k.mod.alt) {
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cut_text();
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break;
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}
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if (selection.enabled) {
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undo_text=text;
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selection_delete();
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break;
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}
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int text_len = text.length();
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if (cursor_pos==text_len)
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break; // nothing to do
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#ifdef APPLE_STYLE_KEYS
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if (k.mod.alt) {
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#else
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if (k.mod.alt) {
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handled=false;
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break;
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} else if (k.mod.command) {
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#endif
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int cc=cursor_pos;
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bool prev_char=false;
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while (cc<text.length()) {
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bool ischar=_is_text_char(text[cc]);
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if (prev_char && !ischar)
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break;
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prev_char=ischar;
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cc++;
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}
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delete_text(cursor_pos,cc);
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} else {
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undo_text=text;
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set_cursor_pos(cursor_pos+1);
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delete_char();
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}
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} break;
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case KEY_KP_7: {
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if (k.unicode != 0) {
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handled = false;
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break;
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}
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// numlock disabled. fallthrough to key_home
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}
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case KEY_HOME: {
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shift_selection_check_pre(k.mod.shift);
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set_cursor_pos(0);
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shift_selection_check_post(k.mod.shift);
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} break;
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case KEY_KP_1: {
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if (k.unicode != 0) {
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handled = false;
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break;
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}
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// numlock disabled. fallthrough to key_end
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}
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case KEY_END: {
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shift_selection_check_pre(k.mod.shift);
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set_cursor_pos(text.length());
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shift_selection_check_post(k.mod.shift);
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} break;
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default: {
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handled=false;
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} break;
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}
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if (handled) {
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accept_event();
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} else if (!k.mod.alt && !k.mod.command) {
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if (k.unicode>=32 && k.scancode!=KEY_DELETE) {
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if (editable) {
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selection_delete();
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CharType ucodestr[2]={(CharType)k.unicode,0};
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append_at_cursor(ucodestr);
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_text_changed();
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accept_event();
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}
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} else {
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return;
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}
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}
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update();
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}
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return;
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} break;
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}
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}
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void LineEdit::set_align(Align p_align) {
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ERR_FAIL_INDEX(p_align, 4);
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align = p_align;
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update();
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}
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LineEdit::Align LineEdit::get_align() const{
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return align;
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}
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Variant LineEdit::get_drag_data(const Point2& p_point) {
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if (selection.drag_attempt && selection.enabled) {
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String t = text.substr(selection.begin, selection.end - selection.begin);
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Label *l = memnew( Label );
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l->set_text(t);
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set_drag_preview(l);
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return t;
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}
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return Variant();
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}
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bool LineEdit::can_drop_data(const Point2& p_point,const Variant& p_data) const{
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return p_data.get_type()==Variant::STRING;
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}
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void LineEdit::drop_data(const Point2& p_point,const Variant& p_data){
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if (p_data.get_type()==Variant::STRING) {
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set_cursor_at_pixel_pos(p_point.x);
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int selected = selection.end - selection.begin;
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Ref<Font> font = get_font("font");
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if (font != NULL) {
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for (int i = selection.begin; i < selection.end; i++)
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cached_width -= font->get_char_size(text[i]).width;
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}
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text.erase(selection.begin, selected);
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append_at_cursor(p_data);
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selection.begin = cursor_pos-selected;
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selection.end = cursor_pos;
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}
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}
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void LineEdit::_notification(int p_what) {
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switch(p_what) {
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#ifdef TOOLS_ENABLED
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case NOTIFICATION_ENTER_TREE: {
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if (get_tree()->is_editor_hint()) {
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cursor_set_blink_enabled(EDITOR_DEF("text_editor/cursor/caret_blink", false));
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cursor_set_blink_speed(EDITOR_DEF("text_editor/cursor/caret_blink_speed", 0.65));
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if (!EditorSettings::get_singleton()->is_connected("settings_changed",this,"_editor_settings_changed")) {
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EditorSettings::get_singleton()->connect("settings_changed",this,"_editor_settings_changed");
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}
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}
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} break;
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#endif
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case NOTIFICATION_RESIZED: {
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set_cursor_pos( get_cursor_pos() );
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} break;
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case MainLoop::NOTIFICATION_WM_FOCUS_IN: {
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window_has_focus = true;
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draw_caret = true;
|
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update();
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} break;
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case MainLoop::NOTIFICATION_WM_FOCUS_OUT: {
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window_has_focus = false;
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draw_caret = false;
|
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update();
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} break;
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case NOTIFICATION_DRAW: {
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|
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if ((!has_focus() && !menu->has_focus()) || !window_has_focus) {
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draw_caret = false;
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}
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int width,height;
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Size2 size=get_size();
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width=size.width;
|
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height=size.height;
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|
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RID ci = get_canvas_item();
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Ref<StyleBox> style = get_stylebox("normal");
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if (!is_editable())
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style=get_stylebox("read_only");
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Ref<Font> font=get_font("font");
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style->draw( ci, Rect2( Point2(), size ) );
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if (has_focus()) {
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get_stylebox("focus")->draw( ci, Rect2( Point2(), size ) );
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}
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int x_ofs=0;
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|
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switch (align) {
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case ALIGN_FILL:
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case ALIGN_LEFT: {
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x_ofs=style->get_offset().x;
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} break;
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case ALIGN_CENTER: {
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x_ofs=int(size.width-(cached_width))/2;
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} break;
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case ALIGN_RIGHT: {
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x_ofs=int(size.width-style->get_offset().x-(cached_width));
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} break;
|
|
}
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|
|
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();
|
|
}
|
|
|
|
void LineEdit::shift_selection_check_pre(bool p_shift) {
|
|
|
|
if (!selection.enabled && p_shift) {
|
|
selection.cursor_start=cursor_pos;
|
|
}
|
|
if (!p_shift)
|
|
selection_clear();
|
|
|
|
}
|
|
|
|
void LineEdit::shift_selection_check_post(bool p_shift) {
|
|
|
|
if (p_shift)
|
|
selection_fill_at_cursor();
|
|
}
|
|
|
|
void LineEdit::set_cursor_at_pixel_pos(int p_x) {
|
|
|
|
Ref<Font> font = get_font("font");
|
|
int ofs = window_pos;
|
|
Ref<StyleBox> style = get_stylebox("normal");
|
|
int pixel_ofs = 0;
|
|
Size2 size = get_size();
|
|
|
|
switch (align) {
|
|
|
|
case ALIGN_FILL:
|
|
case ALIGN_LEFT: {
|
|
|
|
pixel_ofs = int(style->get_offset().x);
|
|
} break;
|
|
case ALIGN_CENTER: {
|
|
|
|
pixel_ofs=int(size.width-(cached_width))/2;
|
|
} break;
|
|
case ALIGN_RIGHT: {
|
|
|
|
pixel_ofs=int(size.width-style->get_offset().x-(cached_width));
|
|
} break;
|
|
}
|
|
|
|
|
|
while (ofs<text.length()) {
|
|
|
|
int char_w = 0;
|
|
if (font != NULL) {
|
|
char_w = font->get_char_size(text[ofs]).width;
|
|
}
|
|
pixel_ofs+=char_w;
|
|
|
|
if (pixel_ofs > p_x) { //found what we look for
|
|
break;
|
|
}
|
|
|
|
|
|
ofs++;
|
|
}
|
|
|
|
set_cursor_pos( ofs );
|
|
|
|
/*
|
|
int new_cursor_pos=p_x;
|
|
int charwidth=draw_area->get_font_char_width(' ',0);
|
|
new_cursor_pos=( ( (new_cursor_pos-2)+ (charwidth/2) ) /charwidth );
|
|
if (new_cursor_pos>(int)text.length()) new_cursor_pos=text.length();
|
|
set_cursor_pos(window_pos+new_cursor_pos); */
|
|
}
|
|
|
|
|
|
bool LineEdit::cursor_get_blink_enabled() const {
|
|
return caret_blink_enabled;
|
|
}
|
|
|
|
void LineEdit::cursor_set_blink_enabled(const bool p_enabled) {
|
|
caret_blink_enabled = p_enabled;
|
|
if (p_enabled) {
|
|
caret_blink_timer->start();
|
|
} else {
|
|
caret_blink_timer->stop();
|
|
}
|
|
draw_caret = true;
|
|
}
|
|
|
|
float LineEdit::cursor_get_blink_speed() const {
|
|
return caret_blink_timer->get_wait_time();
|
|
}
|
|
|
|
void LineEdit::cursor_set_blink_speed(const float p_speed) {
|
|
ERR_FAIL_COND(p_speed <= 0);
|
|
caret_blink_timer->set_wait_time(p_speed);
|
|
}
|
|
|
|
void LineEdit::_reset_caret_blink_timer() {
|
|
if (caret_blink_enabled) {
|
|
caret_blink_timer->stop();
|
|
caret_blink_timer->start();
|
|
draw_caret = true;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void LineEdit::_toggle_draw_caret() {
|
|
draw_caret = !draw_caret;
|
|
if (is_visible_in_tree() && has_focus() && window_has_focus) {
|
|
update();
|
|
}
|
|
}
|
|
|
|
void LineEdit::delete_char() {
|
|
|
|
if ((text.length()<=0) || (cursor_pos==0)) return;
|
|
|
|
Ref<Font> font = get_font("font");
|
|
if (font != NULL) {
|
|
cached_width -= font->get_char_size(text[cursor_pos - 1]).width;
|
|
}
|
|
|
|
text.erase( cursor_pos-1, 1 );
|
|
|
|
set_cursor_pos(get_cursor_pos()-1);
|
|
|
|
if (cursor_pos==window_pos) {
|
|
|
|
//set_window_pos(cursor_pos-get_window_length());
|
|
}
|
|
|
|
_text_changed();
|
|
}
|
|
|
|
void LineEdit::delete_text(int p_from_column, int p_to_column) {
|
|
|
|
undo_text = text;
|
|
|
|
if (text.size() > 0)
|
|
{
|
|
Ref<Font> font = get_font("font");
|
|
if (font != NULL) {
|
|
for (int i = p_from_column; i < p_to_column; i++)
|
|
cached_width -= font->get_char_size(text[i]).width;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
cached_width = 0;
|
|
}
|
|
|
|
text.erase(p_from_column,p_to_column-p_from_column);
|
|
cursor_pos-=CLAMP( cursor_pos-p_from_column, 0, p_to_column-p_from_column);
|
|
|
|
if (cursor_pos>=text.length()) {
|
|
|
|
cursor_pos=text.length();
|
|
}
|
|
if (window_pos>cursor_pos) {
|
|
|
|
window_pos=cursor_pos;
|
|
}
|
|
|
|
_text_changed();
|
|
}
|
|
|
|
void LineEdit::set_text(String p_text) {
|
|
|
|
clear_internal();
|
|
append_at_cursor(p_text);
|
|
update();
|
|
cursor_pos=0;
|
|
window_pos=0;
|
|
_text_changed();
|
|
}
|
|
|
|
void LineEdit::clear() {
|
|
|
|
clear_internal();
|
|
_text_changed();
|
|
}
|
|
|
|
String LineEdit::get_text() const {
|
|
|
|
return text;
|
|
}
|
|
|
|
void LineEdit::set_placeholder(String p_text) {
|
|
|
|
placeholder = XL_MESSAGE(p_text);
|
|
update();
|
|
}
|
|
|
|
String LineEdit::get_placeholder() const {
|
|
|
|
return placeholder;
|
|
}
|
|
|
|
|
|
void LineEdit::set_placeholder_alpha(float p_alpha) {
|
|
|
|
placeholder_alpha = p_alpha;
|
|
update();
|
|
}
|
|
|
|
float LineEdit::get_placeholder_alpha() const {
|
|
|
|
return placeholder_alpha;
|
|
}
|
|
|
|
void LineEdit::set_cursor_pos(int p_pos) {
|
|
|
|
if (p_pos>(int)text.length())
|
|
p_pos=text.length();
|
|
|
|
if(p_pos<0)
|
|
p_pos=0;
|
|
|
|
|
|
|
|
cursor_pos=p_pos;
|
|
|
|
if (!is_inside_tree()) {
|
|
|
|
window_pos=cursor_pos;
|
|
return;
|
|
}
|
|
|
|
Ref<StyleBox> style = get_stylebox("normal");
|
|
Ref<Font> font=get_font("font");
|
|
|
|
if (cursor_pos<window_pos) {
|
|
/* Adjust window if cursor goes too much to the left */
|
|
set_window_pos(cursor_pos);
|
|
} else if (cursor_pos>window_pos) {
|
|
/* Adjust window if cursor goes too much to the right */
|
|
int window_width=get_size().width-style->get_minimum_size().width;
|
|
|
|
if (window_width<0)
|
|
return;
|
|
int wp=window_pos;
|
|
|
|
if (font.is_valid()) {
|
|
|
|
int accum_width=0;
|
|
|
|
for(int i=cursor_pos;i>=window_pos;i--) {
|
|
|
|
if (i>=text.length()) {
|
|
accum_width=font->get_char_size(' ').width; //anything should do
|
|
} else {
|
|
accum_width+=font->get_char_size(text[i],i+1<text.length()?text[i+1]:0).width; //anything should do
|
|
}
|
|
if (accum_width>=window_width)
|
|
break;
|
|
|
|
wp=i;
|
|
}
|
|
}
|
|
|
|
if (wp!=window_pos)
|
|
set_window_pos( wp );
|
|
|
|
}
|
|
update();
|
|
}
|
|
|
|
int LineEdit::get_cursor_pos() const {
|
|
|
|
return cursor_pos;
|
|
}
|
|
|
|
void LineEdit::set_window_pos(int p_pos) {
|
|
|
|
window_pos=p_pos;
|
|
if (window_pos<0) window_pos=0;
|
|
}
|
|
|
|
void LineEdit::append_at_cursor(String p_text) {
|
|
|
|
|
|
if ( ( max_length <= 0 ) || (text.length()+p_text.length() <= max_length)) {
|
|
|
|
undo_text = text;
|
|
|
|
Ref<Font> font = get_font("font");
|
|
if (font != NULL) {
|
|
for (int i = 0; i < p_text.length(); i++)
|
|
cached_width += font->get_char_size(p_text[i]).width;
|
|
}
|
|
else {
|
|
cached_width = 0;
|
|
}
|
|
|
|
String pre = text.substr( 0, cursor_pos );
|
|
String post = text.substr( cursor_pos, text.length()-cursor_pos );
|
|
text=pre+p_text+post;
|
|
set_cursor_pos(cursor_pos+p_text.length());
|
|
}
|
|
}
|
|
|
|
void LineEdit::clear_internal() {
|
|
|
|
cached_width = 0;
|
|
cursor_pos=0;
|
|
window_pos=0;
|
|
undo_text="";
|
|
text="";
|
|
update();
|
|
}
|
|
|
|
Size2 LineEdit::get_minimum_size() const {
|
|
|
|
Ref<StyleBox> style = get_stylebox("normal");
|
|
Ref<Font> font=get_font("font");
|
|
|
|
Size2 min=style->get_minimum_size();
|
|
min.height+=font->get_height();
|
|
|
|
//minimum size of text
|
|
int space_size = font->get_char_size(' ').x;
|
|
int mstext = get_constant("minimum_spaces")*space_size;
|
|
|
|
if (expand_to_text_length) {
|
|
mstext=MAX(mstext,font->get_string_size(text).x+space_size); //add a spce because some fonts are too exact
|
|
}
|
|
|
|
min.width+=mstext;
|
|
|
|
return min;
|
|
}
|
|
|
|
/* selection */
|
|
|
|
void LineEdit::selection_clear() {
|
|
|
|
selection.begin=0;
|
|
selection.end=0;
|
|
selection.cursor_start=0;
|
|
selection.enabled=false;
|
|
selection.creating=false;
|
|
selection.doubleclick=false;
|
|
update();
|
|
}
|
|
|
|
void LineEdit::selection_delete() {
|
|
|
|
if (selection.enabled)
|
|
delete_text(selection.begin,selection.end);
|
|
|
|
selection_clear();
|
|
}
|
|
|
|
void LineEdit::set_max_length(int p_max_length) {
|
|
|
|
ERR_FAIL_COND(p_max_length<0);
|
|
max_length = p_max_length;
|
|
set_text(text);
|
|
}
|
|
|
|
int LineEdit::get_max_length() const {
|
|
|
|
return max_length;
|
|
}
|
|
|
|
void LineEdit::selection_fill_at_cursor() {
|
|
|
|
int aux;
|
|
|
|
selection.begin=cursor_pos;
|
|
selection.end=selection.cursor_start;
|
|
|
|
if (selection.end<selection.begin) {
|
|
aux=selection.end;
|
|
selection.end=selection.begin;
|
|
selection.begin=aux;
|
|
}
|
|
|
|
selection.enabled=(selection.begin!=selection.end);
|
|
}
|
|
|
|
void LineEdit::select_all() {
|
|
|
|
if (!text.length())
|
|
return;
|
|
|
|
selection.begin=0;
|
|
selection.end=text.length();
|
|
selection.enabled=true;
|
|
update();
|
|
|
|
}
|
|
void LineEdit::set_editable(bool p_editable) {
|
|
|
|
editable=p_editable;
|
|
update();
|
|
}
|
|
|
|
bool LineEdit::is_editable() const {
|
|
|
|
return editable;
|
|
}
|
|
|
|
void LineEdit::set_secret(bool p_secret) {
|
|
|
|
pass=p_secret;
|
|
update();
|
|
}
|
|
bool LineEdit::is_secret() const {
|
|
|
|
return pass;
|
|
}
|
|
|
|
void LineEdit::select(int p_from, int p_to) {
|
|
|
|
if (p_from==0 && p_to==0) {
|
|
selection_clear();
|
|
return;
|
|
}
|
|
|
|
int len = text.length();
|
|
if (p_from<0)
|
|
p_from=0;
|
|
if (p_from>len)
|
|
p_from=len;
|
|
if (p_to<0 || p_to>len)
|
|
p_to=len;
|
|
|
|
if (p_from>=p_to)
|
|
return;
|
|
|
|
selection.enabled=true;
|
|
selection.begin=p_from;
|
|
selection.end=p_to;
|
|
selection.creating=false;
|
|
selection.doubleclick=false;
|
|
update();
|
|
}
|
|
|
|
bool LineEdit::is_text_field() const {
|
|
|
|
return true;
|
|
}
|
|
|
|
void LineEdit::menu_option(int p_option) {
|
|
|
|
switch(p_option) {
|
|
case MENU_CUT: {
|
|
if (editable) {
|
|
cut_text();
|
|
}
|
|
} break;
|
|
case MENU_COPY: {
|
|
|
|
copy_text();
|
|
} break;
|
|
case MENU_PASTE: {
|
|
if (editable) {
|
|
paste_text();
|
|
}
|
|
} break;
|
|
case MENU_CLEAR: {
|
|
if (editable) {
|
|
clear();
|
|
}
|
|
} break;
|
|
case MENU_SELECT_ALL: {
|
|
select_all();
|
|
} break;
|
|
case MENU_UNDO: {
|
|
undo();
|
|
} break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
PopupMenu *LineEdit::get_menu() const {
|
|
return menu;
|
|
}
|
|
|
|
#ifdef TOOLS_ENABLED
|
|
void LineEdit::_editor_settings_changed() {
|
|
cursor_set_blink_enabled(EDITOR_DEF("text_editor/cursor/caret_blink", false));
|
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cursor_set_blink_speed(EDITOR_DEF("text_editor/cursor/caret_blink_speed", 0.65));
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}
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#endif
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void LineEdit::set_expand_to_text_length(bool p_enabled) {
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expand_to_text_length = p_enabled;
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minimum_size_changed();
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}
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bool LineEdit::get_expand_to_text_length() const{
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return expand_to_text_length;
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}
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void LineEdit::_text_changed() {
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if (expand_to_text_length)
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minimum_size_changed();
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emit_signal("text_changed",text);
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_change_notify("text");
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|
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}
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void LineEdit::_bind_methods() {
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ClassDB::bind_method(_MD("_toggle_draw_caret"),&LineEdit::_toggle_draw_caret);
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#ifdef TOOLS_ENABLED
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ClassDB::bind_method("_editor_settings_changed",&LineEdit::_editor_settings_changed);
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#endif
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ClassDB::bind_method(_MD("set_align", "align"), &LineEdit::set_align);
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ClassDB::bind_method(_MD("get_align"), &LineEdit::get_align);
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|
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ClassDB::bind_method(_MD("_gui_input"),&LineEdit::_gui_input);
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ClassDB::bind_method(_MD("clear"),&LineEdit::clear);
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ClassDB::bind_method(_MD("select_all"),&LineEdit::select_all);
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ClassDB::bind_method(_MD("set_text","text"),&LineEdit::set_text);
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ClassDB::bind_method(_MD("get_text"),&LineEdit::get_text);
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ClassDB::bind_method(_MD("set_placeholder","text"),&LineEdit::set_placeholder);
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|
ClassDB::bind_method(_MD("get_placeholder"),&LineEdit::get_placeholder);
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|
ClassDB::bind_method(_MD("set_placeholder_alpha","alpha"),&LineEdit::set_placeholder_alpha);
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|
ClassDB::bind_method(_MD("get_placeholder_alpha"),&LineEdit::get_placeholder_alpha);
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|
ClassDB::bind_method(_MD("set_cursor_pos","pos"),&LineEdit::set_cursor_pos);
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|
ClassDB::bind_method(_MD("get_cursor_pos"),&LineEdit::get_cursor_pos);
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|
ClassDB::bind_method(_MD("set_expand_to_text_length","enabled"),&LineEdit::set_expand_to_text_length);
|
|
ClassDB::bind_method(_MD("get_expand_to_text_length"),&LineEdit::get_expand_to_text_length);
|
|
ClassDB::bind_method(_MD("cursor_set_blink_enabled", "enabled"),&LineEdit::cursor_set_blink_enabled);
|
|
ClassDB::bind_method(_MD("cursor_get_blink_enabled"),&LineEdit::cursor_get_blink_enabled);
|
|
ClassDB::bind_method(_MD("cursor_set_blink_speed", "blink_speed"),&LineEdit::cursor_set_blink_speed);
|
|
ClassDB::bind_method(_MD("cursor_get_blink_speed"),&LineEdit::cursor_get_blink_speed);
|
|
ClassDB::bind_method(_MD("set_max_length","chars"),&LineEdit::set_max_length);
|
|
ClassDB::bind_method(_MD("get_max_length"),&LineEdit::get_max_length);
|
|
ClassDB::bind_method(_MD("append_at_cursor","text"),&LineEdit::append_at_cursor);
|
|
ClassDB::bind_method(_MD("set_editable","enabled"),&LineEdit::set_editable);
|
|
ClassDB::bind_method(_MD("is_editable"),&LineEdit::is_editable);
|
|
ClassDB::bind_method(_MD("set_secret","enabled"),&LineEdit::set_secret);
|
|
ClassDB::bind_method(_MD("is_secret"),&LineEdit::is_secret);
|
|
ClassDB::bind_method(_MD("select","from","to"),&LineEdit::select,DEFVAL(0),DEFVAL(-1));
|
|
ClassDB::bind_method(_MD("menu_option","option"),&LineEdit::menu_option);
|
|
ClassDB::bind_method(_MD("get_menu:PopupMenu"),&LineEdit::get_menu);
|
|
|
|
ADD_SIGNAL( MethodInfo("text_changed", PropertyInfo( Variant::STRING, "text" )) );
|
|
ADD_SIGNAL( MethodInfo("text_entered", PropertyInfo( Variant::STRING, "text" )) );
|
|
|
|
BIND_CONSTANT(ALIGN_LEFT);
|
|
BIND_CONSTANT(ALIGN_CENTER);
|
|
BIND_CONSTANT(ALIGN_RIGHT);
|
|
BIND_CONSTANT(ALIGN_FILL);
|
|
|
|
BIND_CONSTANT( MENU_CUT );
|
|
BIND_CONSTANT( MENU_COPY );
|
|
BIND_CONSTANT( MENU_PASTE );
|
|
BIND_CONSTANT( MENU_CLEAR );
|
|
BIND_CONSTANT( MENU_SELECT_ALL );
|
|
BIND_CONSTANT( MENU_UNDO );
|
|
BIND_CONSTANT( MENU_MAX );
|
|
|
|
ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "text" ), _SCS("set_text"),_SCS("get_text") );
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), _SCS("set_align"), _SCS("get_align"));
|
|
ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "max_length" ), _SCS("set_max_length"),_SCS("get_max_length") );
|
|
ADD_PROPERTYNO( PropertyInfo( Variant::BOOL, "editable" ), _SCS("set_editable"),_SCS("is_editable") );
|
|
ADD_PROPERTYNZ( PropertyInfo( Variant::BOOL, "secret" ), _SCS("set_secret"),_SCS("is_secret") );
|
|
ADD_PROPERTYNO( PropertyInfo( Variant::BOOL, "expand_to_len" ), _SCS("set_expand_to_text_length"),_SCS("get_expand_to_text_length") );
|
|
ADD_PROPERTY( PropertyInfo( Variant::INT,"focus_mode", PROPERTY_HINT_ENUM, "None,Click,All" ), _SCS("set_focus_mode"), _SCS("get_focus_mode") );
|
|
ADD_GROUP("Placeholder","placeholder_");
|
|
ADD_PROPERTYNZ( PropertyInfo( Variant::STRING, "placeholder_text" ), _SCS("set_placeholder"),_SCS("get_placeholder") );
|
|
ADD_PROPERTYNZ( PropertyInfo( Variant::REAL, "placeholder_alpha",PROPERTY_HINT_RANGE,"0,1,0.001" ), _SCS("set_placeholder_alpha"),_SCS("get_placeholder_alpha") );
|
|
ADD_GROUP("Caret","caret_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_blink"), _SCS("cursor_set_blink_enabled"), _SCS("cursor_get_blink_enabled"));;
|
|
ADD_PROPERTYNZ(PropertyInfo(Variant::REAL, "caret_blink_speed",PROPERTY_HINT_RANGE,"0.1,10,0.1"), _SCS("cursor_set_blink_speed"),_SCS("cursor_get_blink_speed") );
|
|
}
|
|
|
|
LineEdit::LineEdit() {
|
|
|
|
align = ALIGN_LEFT;
|
|
cached_width = 0;
|
|
cursor_pos=0;
|
|
window_pos=0;
|
|
window_has_focus=true;
|
|
max_length = 0;
|
|
pass=false;
|
|
placeholder_alpha=0.6;
|
|
|
|
selection_clear();
|
|
set_focus_mode( FOCUS_ALL );
|
|
editable=true;
|
|
set_default_cursor_shape(CURSOR_IBEAM);
|
|
set_mouse_filter(MOUSE_FILTER_STOP);
|
|
|
|
draw_caret=true;
|
|
caret_blink_enabled=false;
|
|
caret_blink_timer = memnew(Timer);
|
|
add_child(caret_blink_timer);
|
|
caret_blink_timer->set_wait_time(0.65);
|
|
caret_blink_timer->connect("timeout", this,"_toggle_draw_caret");
|
|
cursor_set_blink_enabled(false);
|
|
|
|
menu = memnew( PopupMenu );
|
|
add_child(menu);
|
|
menu->add_item(TTR("Cut"),MENU_CUT,KEY_MASK_CMD|KEY_X);
|
|
menu->add_item(TTR("Copy"),MENU_COPY,KEY_MASK_CMD|KEY_C);
|
|
menu->add_item(TTR("Paste"),MENU_PASTE,KEY_MASK_CMD|KEY_V);
|
|
menu->add_separator();
|
|
menu->add_item(TTR("Select All"),MENU_SELECT_ALL,KEY_MASK_CMD|KEY_A);
|
|
menu->add_item(TTR("Clear"),MENU_CLEAR);
|
|
menu->add_separator();
|
|
menu->add_item(TTR("Undo"),MENU_UNDO,KEY_MASK_CMD|KEY_Z);
|
|
menu->connect("id_pressed",this,"menu_option");
|
|
expand_to_text_length=false;
|
|
|
|
|
|
}
|
|
|
|
LineEdit::~LineEdit() {
|
|
|
|
|
|
}
|
|
|