Example #1
0
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();
}
Example #2
0
void SpinBox::_gui_input(const Ref<InputEvent> &p_event) {

	if (!is_editable()) {
		return;
	}

	Ref<InputEventMouseButton> mb = p_event;

	if (mb.is_valid() && mb->is_pressed()) {

		bool up = mb->get_position().y < (get_size().height / 2);

		switch (mb->get_button_index()) {

			case BUTTON_LEFT: {

				set_value(get_value() + (up ? get_step() : -get_step()));

				range_click_timer->set_wait_time(0.6);
				range_click_timer->set_one_shot(true);
				range_click_timer->start();

				line_edit->grab_focus();
			} break;
			case BUTTON_RIGHT: {

				set_value((up ? get_max() : get_min()));
				line_edit->grab_focus();
			} break;
			case BUTTON_WHEEL_UP: {
				if (line_edit->has_focus()) {

					set_value(get_value() + get_step() * mb->get_factor());
					accept_event();
				}
			} break;
			case BUTTON_WHEEL_DOWN: {
				if (line_edit->has_focus()) {

					set_value(get_value() - get_step() * mb->get_factor());
					accept_event();
				}
			} break;
		}
	}

	if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == 1) {

		//set_default_cursor_shape(CURSOR_VSIZE);
		Vector2 cpos = Vector2(mb->get_position().x, mb->get_position().y);
		drag.mouse_pos = cpos;
	}

	if (mb.is_valid() && !mb->is_pressed() && mb->get_button_index() == 1) {

		//set_default_cursor_shape(CURSOR_ARROW);
		range_click_timer->stop();

		if (drag.enabled) {
			drag.enabled = false;
			Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
			warp_mouse(drag.capture_pos);
		}
	}

	Ref<InputEventMouseMotion> mm = p_event;

	if (mm.is_valid() && mm->get_button_mask() & 1) {

		Vector2 cpos = mm->get_position();

		if (drag.enabled) {

			float diff_y = drag.mouse_pos.y - cpos.y;
			diff_y = Math::pow(ABS(diff_y), 1.8f) * SGN(diff_y);
			diff_y *= 0.1;

			drag.mouse_pos = cpos;
			drag.base_val = CLAMP(drag.base_val + get_step() * diff_y, get_min(), get_max());

			set_value(drag.base_val);

		} else if (drag.mouse_pos.distance_to(cpos) > 2) {

			Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
			drag.enabled = true;
			drag.base_val = get_value();
			drag.mouse_pos = cpos;
			drag.capture_pos = cpos;
		}
	}
}