U PeP@sdZddlZddlZddlZddlmZddlmZddlm Z m Z ddl m Z ddl mZddlmZdd lmZdd lmZdd lmZdd lmZdd lmZmZddlmZddlmZm Z ddl!m"Z"m#Z#m$Z$m%Z%m&Z&ddl'm(Z(ddl)m*Z*ddl+m,Z,ddl-m.Z.ddlm/Z/ddl0m1Z1ddl2m3Z3m4Z4m5Z5m6Z6m7Z7m8Z8m9Z9m:Z:m;Z;mn ddlm>Z>ej?Z@ejAZBejCZDejEZFe@ddde@d ddd!ZGd"ZHeGeHBZIdaJdaKdZLeZMgZNejd#kZOd$ZPdZQZRereSd%d&ZPeTd'd(ZQd)UeTd'd*ZRdekrBd+d,ZVdd-lWmXZXeXYeVd.Gd/d0d0e/e1ZZGd1d2d2e.Z[Gd3d4d4ee,Z\e]d5krdd6l^m_Z_dd7l`maZadd8lbmcZcdd9ldmeZee_d:ZfGd;d<d` to a Textinput, meaning that the input box will be highlighted and keyboard focus will be requested:: textinput = TextInput(focus=True) The textinput is defocused if the 'escape' key is pressed, or if another widget requests the keyboard. You can bind a callback to the focus property to get notified of focus changes:: def on_focus(instance, value): if value: print('User focused', instance) else: print('User defocused', instance) textinput = TextInput() textinput.bind(focus=on_focus) See :class:`~kivy.uix.behaviors.FocusBehavior`, from which the :class:`TextInput` inherits, for more details. Selection --------- The selection is automatically updated when the cursor position changes. You can get the currently selected text from the :attr:`TextInput.selection_text` property. Filtering --------- You can control which text can be added to the :class:`TextInput` by overwriting :meth:`TextInput.insert_text`. Every string that is typed, pasted or inserted by any other means into the :class:`TextInput` is passed through this function. By overwriting it you can reject or change unwanted characters. For example, to write only in capitalized characters:: class CapitalInput(TextInput): def insert_text(self, substring, from_undo=False): s = substring.upper() return super().insert_text(s, from_undo=from_undo) Or to only allow floats (0 - 9 and a single period):: class FloatInput(TextInput): pat = re.compile('[^0-9]') def insert_text(self, substring, from_undo=False): pat = self.pat if '.' in self.text: s = re.sub(pat, '', substring) else: s = '.'.join( re.sub(pat, '', s) for s in substring.split('.', 1) ) return super().insert_text(s, from_undo=from_undo) Default shortcuts ----------------- =============== ======================================================== Shortcuts Description --------------- -------------------------------------------------------- Left Move cursor to left Right Move cursor to right Up Move cursor to up Down Move cursor to down Home Move cursor at the beginning of the line End Move cursor at the end of the line PageUp Move cursor to 3 lines before PageDown Move cursor to 3 lines after Backspace Delete the selection or character before the cursor Del Delete the selection of character after the cursor Shift + Start a text selection. Dir can be Up, Down, Left or Right Control + c Copy selection Control + x Cut selection Control + v Paste clipboard content Control + a Select all the content Control + z undo Control + r redo =============== ======================================================== .. note:: To enable Emacs-style keyboard shortcuts, you can use :class:`~kivy.uix.behaviors.emacs.EmacsBehavior`. 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See module documentation for more information. :Events: `on_text_validate` Fired only in multiline=False mode when the user hits 'enter'. This will also unfocus the textinput. `on_double_tap` Fired when a double tap happens in the text input. The default behavior selects the text around the cursor position. More info at :meth:`on_double_tap`. `on_triple_tap` Fired when a triple tap happens in the text input. The default behavior selects the line around the cursor position. More info at :meth:`on_triple_tap`. `on_quad_touch` Fired when four fingers are touching the text input. The default behavior selects the whole text. More info at :meth:`on_quad_touch`. .. warning:: When changing a :class:`TextInput` property that requires re-drawing, e.g. modifying the :attr:`text`, the updates occur on the next clock cycle and not instantly. This might cause any changes to the :class:`TextInput` that occur between the modification and the next cycle to be ignored, or to use previous values. For example, after a update to the :attr:`text`, changing the cursor in the same clock frame will move it using the previous text and will likely end up in an incorrect position. The solution is to schedule any updates to occur on the next clock cycle using :meth:`~kivy.clock.ClockBase.schedule_once`. .. Note:: Selection is cancelled when TextInput is focused. If you need to show selection when TextInput is focused, you should delay (use Clock.schedule) the call to the functions for selecting text (select_all, select_text). .. versionchanged:: 1.10.0 `background_disabled_active` has been removed. .. versionchanged:: 1.9.0 :class:`TextInput` now inherits from :class:`~kivy.uix.behaviors.FocusBehavior`. :attr:`~kivy.uix.behaviors.FocusBehavior.keyboard_mode`, :meth:`~kivy.uix.behaviors.FocusBehavior.show_keyboard`, :meth:`~kivy.uix.behaviors.FocusBehavior.hide_keyboard`, :meth:`~kivy.uix.behaviors.FocusBehavior.focus`, and :attr:`~kivy.uix.behaviors.FocusBehavior.input_type` have been removed since they are now inherited from :class:`~kivy.uix.behaviors.FocusBehavior`. .. versionchanged:: 1.7.0 `on_double_tap`, `on_triple_tap` and `on_quad_touch` events added. .. versionchanged:: 2.1.0 :attr:`~kivy.uix.behaviors.FocusBehavior.keyboard_suggestions` is now inherited from :class:`~kivy.uix.behaviors.FocusBehavior`. )on_text_validate on_double_tap on_triple_tap on_quad_touchNc stjd_|dd_ddg_d_d_d_ d_ d_ d_ d_ d_d_d_d_g_g_g_g_g_g_d_d_tdd_d_d_d_d_ d_!d_"d_#d_$d_%tjj&d dd _'d_(d_)d_*d_+d_,d _-d d dd ddddddddddddddd_.t/j0f|j1}j2}j3}j4}|d||d||d ||d!||d"||d#|fd$d%}|d&||d'||d||d||d(||d)||d*||d+||d,||d-||d.j5|j6tj7}_8tj9d/_:tj;_|?|d+||d(|t@AtBtCjDtEd0krFdS)1N is_focusableTrFrr;Z keyboard_moderw)intervalrr backspaceenterdel cursor_up cursor_down cursor_right cursor_left cursor_home cursor_end cursor_pgup cursor_pgdownshift_Lshift_Rctrl_Lctrl_Ralt_Lalt_R) iiiiiiiiii/i0i1i2i4i3 font_size font_name font_context font_familybase_direction text_languagecs>|rtrjsd_|sjr,tr4jdkr4d_nd_dS)NFsystemT)r allow_copyrdisabled_keyboard_mode _editable)rrrr)r.handle_readonly;sz+TextInput.__init__..handle_readonlypadding tab_widthsizepassword password_maskrmhalignrfocusg?linux)Gr create_trigger_update_graphics_update_graphics_evgetr_cursor _selection_selection_finished_selection_touchr_selection_from _selection_to_selection_callback _handle_left _handle_right_handle_middle_bubble _lines_flags _lines_labels _lines_rects_hint_text_flags_hint_text_labels_hint_text_rects _label_cached _line_optionsr r _command_mode_command reset_undo _touch_count_ctrl_l_ctrl_r_alt_l_alt_r_refresh_text_from_property_ev_long_touch_ev_do_blink_cursor_do_blink_cursor_ev_refresh_line_options_ev_scroll_distance_x_scroll_distance_y_enable_scroll_have_scrolled_visible_lines_rangeinteresting_keysrIrJfbind_trigger_refresh_line_options_update_text_options_trigger_update_graphics_on_textinput_focusedr_position_handles_trigger_position_handles _show_handles_trigger_show_handles_reset_cursor_blink_trigger_cursor_reset_update_cutbuffer_trigger_update_cutbufferrAr?rorr'_reload_remove_observerrr)rTr+rZrefresh_line_optionsZupdate_text_optionsZtrigger_update_graphicsrZhandlesrUrr.rJs                       zTextInput.__init__cCsdSr(r)rr)r)r.rfszTextInput.on_text_validatec Cs|s |j}zz|j}|sWdS|j}|\}}ttt|t|||D]&\}}}|t|7}|t@rD|d7}qD||t@r|d7}|WStk rYdSXdS)z3Return the cursor index in the text/value. rr8N) cursor_linesrziprangeminlenFL_IS_LINEBREAK IndexError) rTrlinesflagsindex cursor_rowr1lineflagr)r)r. cursor_indexis*   zTextInput.cursor_indexcCsPd}t|j}t|j}|j}|rL|t|krL|||d||j|j}|S)z5Get the cursor x offset on the current line. rN)intr cursor_colrr_get_text_widthrr)rToffsetrowcolrr)r)r. cursor_offsets  zTextInput.cursor_offsetcCst|dt|j}|dkrdS|j}|j}|s2dSd}t|D]L\}}|t|}||t@rn|d7}|d7}||kr|||fS|}q>t|t|fS)z=Return the (col, row) of the cursor from text index. rrr8)r rtextrr enumeraterr )rTrrrir$rcountr)r)r.get_cursor_from_indexs"  zTextInput.get_cursor_from_indexcCsR||krtdt|j}t|d||_t|d||_d|_|d|dS)aG Select a portion of text displayed in this TextInput. .. versionadded:: 1.4.0 :Parameters: `start` Index of textinput.text from where to start selection `end` Index of textinput.text till which the selection should be displayed zend must be superior to startrTN) Exceptionrr'r rrr_update_selection_update_graphics_selection)rTrendZ text_lengthr)r)r. select_texts   zTextInput.select_textcCs|dt|jdS)z^ Select all of the text displayed in this TextInput. .. versionadded:: 1.4.0 rN)r0rr'rr)r)r.rszTextInput.select_allz^(\s*|)cCsX|}|dkrT|j}|dd|}|dkrT||d|}|j|}||7}|S)Nr rr8)rr'rfind re_indentmatchgroup)rT substringrZ_textZ line_startrindentr)r)r. _auto_indentszTextInput._auto_indentFcCs|j}|j}|js|r|js dSt|tr4|d}|jrF|dd}|t j |st|j rt|j rt|dkrt| |}|j}|dkr|||}|sdS|j\}}|}||} t|} | d||| |d} |dk r|dkrt|j| sdSn|dkrt|j| sdS||| | dks|dks|d krN||tks|dt|krr||dtks|| |j|j|j|jd |jd kr||| \} } }}}|d | | |||||| |_| ||| ||dS) zInsert new text at the current cursor position. 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Nutf8 r1)Nr floatr r;r8 rr9insert)!rrr isinstancebytesdecode replace_crlfreplace _hide_handlesrrg multiline auto_indentr8 input_filterrrrrer4_insert_int_pat_insert_float_pat_set_line_textrr"rrwidthr_get_line_from_cursor_refresh_text_from_propertyr+_set_unredo_insert)rTr6 from_undorrrxr%r$cindexr'len_strnew_textrfinishr lines_flags len_linesr)r)r. insert_texts            zTextInput.insert_textc Cs|dkr|j}|dkr|j}|}|d}|dkrP||tkrP|d8}|||}|}t|t|D]}||tkrb|d}qqb|}|d|||d}||\}}tdt|}|||||fS)Nr8rr)rrrrrjoin _split_smartmax) rTrrRrrTrS_nextr)rUr)r)r.rLs&  zTextInput._get_line_from_cursorcCs.|rdS|jd||f||fdg|_dS)Nr= undo_command redo_command_undoro_redo)rTciZscir6rOr)r)r.rN4szTextInput._set_unredo_insertcCsg|_|_dS)zQReset undo and redo lists from memory. .. versionadded:: 1.3.0 N)r`r_rr)r)r.r?szTextInput.reset_undoc Csz|j}|dd}|j}|dkrJ|d\}}|||_||dn|dkrn||d|_|jddnb|dkr|dd d \}}}||||dn2|d\}} ||_| |_d|_ | d|||_|j |Wnt k rYnXd S) zDo redo operation. .. versionadded:: 1.3.0 This action re-does any command that has been un-done by do_undo/ctrl+z. This function is automatically called when `ctrl+r` keys are pressed. r\rr=r]TbkspcrOshiftlnr8N)r`rhr+rrV do_backspace _shift_linesrrrdelete_selectionr_ror) rTx_item undo_typeZ_get_cusror_from_indexrPr6 directionrowsrscindexr)r)r.do_redoGs.        zTextInput.do_redoc Cs0z|j}|dd}||dd|_|dkrh|ddd\}}||_||_d|_|dn|dkr|ddd}|dd }||d|d kr|| d|_nP|d kr|ddd\}}} | ||| dn |dddd}||d|j |Wnt k r*YnXdS) zDo undo operation. .. versionadded:: 1.3.0 This action un-does any edits that have been made since the last call to reset_undo(). This function is automatically called when `ctrl+z` keys are pressed. r\rr8r=NTrbr9rrd)r_rhr+rrrrrgrVrrfr`ror) rTrhrirPrlr6rxrjrkrr)r)r.do_undols4        zTextInput.do_undorbcCsr|js |jrdS|j\}}|j}|j}||}|}|dkrJ|dkrJdS|} |dkr||tkrxd} ||d|} n@t||ddkr||ddnd} ||ddd|} ||d| | ||d} n4||d} |d|d||d} ||| | | | \} } } }}| |dkr8dnd| | | ||| |d|_| ||d| ||dS) a Do backspace operation from the current cursor position. 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