forked from KolibriOS/kolibrios
107 lines
2.7 KiB
Plaintext
107 lines
2.7 KiB
Plaintext
(*
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Copyright 2016, 2017, 2020-2022 Anton Krotov
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This file is part of CEdit.
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CEdit is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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CEdit is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with CEdit. If not, see <http://www.gnu.org/licenses/>.
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*)
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MODULE EditBox;
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IMPORT SYSTEM, KOSAPI, Encodings;
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CONST
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MAX_LENGTH = 1024;
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TYPE
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tEditBox* = RECORD
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width*,
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left*,
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top*,
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color*,
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shift_color,
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focus_border_color,
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blur_border_color,
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text_color*,
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max: INTEGER;
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text*: INTEGER;
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mouse_variable: INTEGER;
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flags*: SET;
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size,
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pos: INTEGER;
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(* The following struct members are not used by the users of API *)
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offset, cl_curs_x, cl_curs_y, shift, shift_old, height, char_width: INTEGER
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END;
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PROCEDURE [stdcall, "box_lib.obj", "edit_box_draw"] draw* (eb: tEditBox); END;
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PROCEDURE [stdcall, "box_lib.obj", "edit_box_mouse"] mouse* (eb: tEditBox); END;
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PROCEDURE [stdcall, "box_lib.obj", "edit_box_set_text"] set_text (eb: tEditBox; text: INTEGER); END;
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PROCEDURE [stdcall, "box_lib.obj", "edit_box_key_safe"] key* (eb: tEditBox; key: INTEGER); END;
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PROCEDURE get* (text: tEditBox; VAR str: ARRAY OF CHAR);
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VAR
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ptr, max, i: INTEGER;
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BEGIN
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ptr := text.text;
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max := text.max;
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ASSERT(max < LEN(str));
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i := 0;
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REPEAT
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SYSTEM.GET(ptr, str[i]);
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INC(i);
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INC(ptr)
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UNTIL (str[i - 1] = 0X) OR (i = max);
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str[i] := 0X
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END get;
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PROCEDURE set* (text: tEditBox; str: ARRAY OF WCHAR);
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VAR
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i: INTEGER;
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temp: ARRAY MAX_LENGTH OF CHAR;
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BEGIN
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ASSERT(LENGTH(str) < LEN(temp));
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i := 0;
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REPEAT
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temp[i] := CHR(Encodings.UNI[ORD(str[i]), Encodings.CP866] MOD 256);
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INC(i)
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UNTIL str[i - 1] = 0X;
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set_text(text, SYSTEM.ADR(temp[0]))
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END set;
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PROCEDURE create* (x, y, width, max_chars: INTEGER; VAR editbox: tEditBox);
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BEGIN
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editbox.width := width;
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editbox.left := x;
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editbox.top := y;
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editbox.color := 0FFFFFFH;
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editbox.shift_color := 06A9480H;
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editbox.focus_border_color := 0;
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editbox.blur_border_color := 06A9480H;
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editbox.text_color := 30000000H;
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editbox.max := max_chars;
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editbox.text := KOSAPI.malloc(max_chars + 2);
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ASSERT(editbox.text # 0);
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editbox.mouse_variable := 0;
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editbox.flags := {14}
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END create;
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END EditBox. |