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{Memo|_control}


(including protected members)



CLASS {Memo|_control}
,
UNTESTED, RECURSIVE, BITWISE :








A visual form component: multi-line text edit. See also a definition of its ancestor {Control} and of a form: {Form}.


IMPORT : 
{Form}
, 
{Control}
, 
{AL4_form}
 .


BASE CLASS 
{Control} .




------------------------------------------------------------------ 'create'


BOOL 
read_only
 , READ






BOOL 
no_horizontal_scroll|_wrap_lines
 , READ






BOOL 
no_vertical_scroll
 , READ






INT 
options|_on_creation





   


CONSTANT INT 
{memo_flags} 
:

          NO_FLAGS_SET = 0

          MEMO_READ_ONLY = 1

          MEMO_NO_HSCROLL|_WRAP_LINES = 2

          MEMO_NO_VSCROLL = 4

          MEMO_NO_SUGGESTIONS = 8

          MEMO_NO_CARET_ENTER = 16

          MEMO_CENTER = 32 
 .












FUNCTION 
New_memo

(

     {Form} 
Parent|_form
, 

     STR 
Alias|_memo
, 

     INT 
Flags|_memo_0default_1Read_2NoHScroll_4NoVScroll
)
 ==> {Memo} 
 , NEW
 , IF Flags IS CONST, THEN Flags IN FLAGS {memo_flags}
    :











OVERRIDE 
create_control

 , REPLACE








---------------------------------------------------------- 'lines as items'

        







FUN 
lines_supported

 ==> BOOL 











OVERRIDE 
Count

 ==> INT 











OVERRIDE 
Get_item

(
INT 
R|ow_index
, 
INT 
C|olumn_dummy
)
 ==> STR 











OVERRIDE 
Set_item

(

     INT 
R|ow_index
, 

     INT 
C|olumn_dummy
, 

     STR 
V|alue_string
)
 , RECURSIVE
 , RESTRICT C IN [0]
	:











OVERRIDE 
Clear













FUN 
find_line_from_to

(

     STR 
Text|_where
, 

     INT 
R|ow_index
)
 ==> {from_to} 











METHOD 
Add_line

(
STR 
V|alue_added
)
 , RECURSIVE











METHOD 
Insert_line

(
INT 
Index|_insert
, 
STR 
V|alue_inserted
)








----------------------------------------------------------- 'selected text'

    






OVERRIDE 
Get_selection

 ==> STR 











OVERRIDE 
Set_selection

(
STR 
T|ext_replacing_selection
)











METHOD 
Get_range_sel|ection

 ==> {from_to} 











METHOD 
Set_range_sel|ection

(
{from_to} 
R|ange_selection_set
)








---------------------------------------------------------- 'maximal length'

 







FUN 
text_limit_supported

 ==> BOOL 
 , CALLBACK







INT 
Max_len|gth
 , READ





 






METHOD 
Set_max_len|gth

(
INT 
Value|_max_length
)








-------------------------------------------------------------------- 'misc'

 






METHOD 
Entire_text_shown

 ==> BOOL 







END