kolibrios/programs/develop/cedit/SRC/StatusBar.ob07
Anton Krotov 653161d498 CEdit: added [shift+mouse wheel] for horizontal scrolling;
search improved.


git-svn-id: svn://kolibrios.org@9915 a494cfbc-eb01-0410-851d-a64ba20cac60
2023-05-07 17:19:42 +00:00

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(*
Copyright 2021-2023 Anton Krotov
This file is part of CEdit.
CEdit is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CEdit is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CEdit. If not, see <http://www.gnu.org/licenses/>.
*)
MODULE StatusBar;
IMPORT G := Graph, U := Utils, K := KolibriOS;
TYPE
tString = ARRAY 32 OF WCHAR;
tStatusBar* = RECORD
pos, sel, enc: tString;
canvas: G.tCanvas
END;
VAR
SB: tStatusBar;
font: G.tFont;
PROCEDURE setPos* (line, col: INTEGER);
VAR
s1, s2: tString;
BEGIN
U.int2str(line, s1);
U.append(s1, ": ");
U.int2str(col, s2);
U.append(s1, s2);
SB.pos := s1
END setPos;
PROCEDURE setSel* (text: ARRAY OF WCHAR; first, second: INTEGER; delimiter: ARRAY OF WCHAR);
VAR
s1, s2: tString;
BEGIN
IF first # 0 THEN
s1 := text;
U.int2str(first, s2);
U.append(s1, s2);
U.append(s1, delimiter);
U.int2str(second, s2);
U.append(s1, s2);
SB.sel := s1
ELSE
SB.sel := ""
END
END setSel;
PROCEDURE setEnc* (eol, enc: ARRAY OF WCHAR);
BEGIN
SB.enc := eol;
U.append(SB.enc, 20X + 20X);
U.append(SB.enc, enc)
END setEnc;
PROCEDURE height* (): INTEGER;
RETURN font.height + 3
END height;
PROCEDURE setWidth* (width: INTEGER);
BEGIN
ASSERT(width > 0);
IF (SB.canvas = NIL) OR (SB.canvas.width # width) OR (SB.canvas.height # height()) THEN
G.destroy(SB.canvas);
SB.canvas := G.CreateCanvas(width, height());
G.SetFont(SB.canvas, font)
END
END setWidth;
PROCEDURE TextOut (x: INTEGER; s: ARRAY OF WCHAR);
BEGIN
G.TextOut2(SB.canvas, x, 2, s, LENGTH(s))
END TextOut;
PROCEDURE draw* (left, top: INTEGER);
BEGIN
G.SetColor(SB.canvas, K.colors.work);
G.SetBkColor(SB.canvas, K.colors.work);
G.SetTextColor(SB.canvas, K.colors.work_text);
G.clear(SB.canvas);
TextOut(1, SB.pos);
TextOut(16*font.width, SB.sel);
TextOut(SB.canvas.width - LENGTH(SB.enc)*font.width - 1, SB.enc);
G.DrawCanvas(SB.canvas, left, top)
END draw;
PROCEDURE SetFont* (_font: G.tFont);
BEGIN
font := _font;
IF SB.canvas # NIL THEN
setWidth(SB.canvas.width)
END
END SetFont;
BEGIN
SB.canvas := NIL;
font := G.fonts[1]
END StatusBar.