CEDIT: minor fixes, refactoring

git-svn-id: svn://kolibrios.org@9210 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/cedit/SRC/CEdit.ob07

@@ -28,10 +28,10 @@ IMPORT
     RW, Ini, EB := EditBox, Icons, Tabs, Timer;
 
 CONST
-    header = "CEdit (28-sep-2021)";
+    HEADER = "CEdit (03-oct-2021)";
 
     ShellFilter = "";
-    EditFilter = "SH|ASM|TXT|INC|OB07|C|CPP|H|PAS|PP|LUA|INI|JSON";
+    EditFilter = "SH|INC|TXT|ASM|OB07|C|CPP|H|PAS|PP|LUA|INI|JSON";
 
     fontWidth = K.fontWidth;
     fontHeight = K.fontHeight;
@@ -51,14 +51,14 @@ CONST
 
     btnYes = 40;
     btnNo = 41;
-    btnFindNext = 60;
+    btnFindNext = 42;
-    btnReplace = 61;
+    btnReplace = 43;
-    btnReplaceAll = 62;
+    btnReplaceAll = 44;
-    btnGoto = 63;
+    btnGoto = 45;
-    btnCloseSearch = 64;
+    btnCloseSearch = 46;
-    btnHideSearch = 65;
+    btnHideSearch = 47;
 
-    mainMenuBtn = 70;
+    mainMenuBtn = 60;
 
     btnHeight = 25;
     btnWidth = 75;
@@ -184,10 +184,10 @@ VAR
 
     switch, closing: BOOLEAN;
     leftButton: BOOLEAN;
-    hScroll, vScroll: Scroll.tScroll;
     LEFT: INTEGER;
 
     FindEdit, ReplaceEdit, GotoEdit: EB.tEditBox;
+    hScroll, vScroll: Scroll.tScroll;
     CS, WH, BKW: CheckBox.tCheckBox;
 
     new_searchText, searchText, replaceText, gotoText: T.tString;
@@ -226,14 +226,7 @@ END WritePos;
 
 
 PROCEDURE EditBox_Focus (edit: EB.tEditBox): BOOLEAN;
-VAR
+	RETURN 1 IN edit.flags
-	res: BOOLEAN;
-BEGIN
-	res := FALSE;
-	IF edit # NIL THEN
-	    res := 1 IN edit.flags
-	END
-	RETURN res
 END EditBox_Focus;
 
 
@@ -249,7 +242,7 @@ BEGIN
 END resetTimer;
 
 
-PROCEDURE EditBox_SetFocus (edit: EB.tEditBox; value: BOOLEAN);
+PROCEDURE EditBox_SetFocus (VAR edit: EB.tEditBox; value: BOOLEAN);
 BEGIN
     IF value THEN
     	INCL(edit.flags, 1)
@@ -262,7 +255,7 @@ BEGIN
 END EditBox_SetFocus;
 
 
-PROCEDURE SetFocus (edit: EB.tEditBox; value: BOOLEAN);
+PROCEDURE SetFocus (VAR edit: EB.tEditBox; value: BOOLEAN);
 BEGIN
     EditBox_SetFocus(FindEdit, FALSE);
     EditBox_SetFocus(ReplaceEdit, FALSE);
@@ -413,17 +406,21 @@ PROCEDURE DrawState (text: T.tText; width, height: INTEGER);
 VAR
     y: INTEGER;
     s: ARRAY 24 OF WCHAR;
+    header: RW.tFileName;
 BEGIN
-    y := (btnHeight - fontHeight) DIV 2 + btnTop;
     s := "";
     U.append(s, RW.eolNames[text.eol]);
-    U.append(s, 20X);
+    U.append(s, 20X + 20X);
     U.append(s, E.names[text.enc]);
-    K.DrawRect(width - LEN(s)*fontWidth, y, LEN(s)*fontWidth, fontHeight, K.winColor);
+    header := HEADER;
-    K.DrawText(width - LENGTH(s)*fontWidth, y, K.textColor, s);
+    IF text.fileName # "" THEN
+    	U.append8(header, " - ");
+    	U.append8(header, text.fileName)
+    END;
+    K.SetCaption(header);
+    K.DrawRect(LEFT + 16*fontWidth, TOP + canvas.height + scrollWidth, width - (LEFT + 16*fontWidth), BOTTOM - scrollWidth + 1, K.winColor);
     y := height - (BOTTOM - scrollWidth) + (BOTTOM - scrollWidth - 16) DIV 2;
-    K.DrawRect(LEFT + 16*fontWidth, TOP + canvas.height + scrollWidth, width - LEFT - 24*fontWidth, BOTTOM - scrollWidth + 1, K.winColor);
+    K.DrawText(width - (LENGTH(s) + 10)*fontWidth, y, K.textColor, s);
-    K.DrawText866(LEFT + 16*fontWidth, y, K.textColor, text.fileName);
     WriteModified(width - 8*fontWidth, y)
 END DrawState;
 
@@ -576,7 +573,7 @@ VAR
 
 BEGIN
     K.BeginDraw;
-    K.CreateWindow(30 + K.GetTickCount() MOD 128, 30 + K.GetTickCount() MOD 128, winWidth, winHeight, K.winColor, 73H, 0, 0, header);
+    K.CreateWindow(30 + K.GetTickCount() MOD 128, 30 + K.GetTickCount() MOD 128, winWidth, winHeight, K.winColor, 73H, 0, 0, "");
     IF (text # NIL) & ~K.RolledUp() THEN
     	IF confirm THEN
     		resetTimer
@@ -698,16 +695,7 @@ BEGIN
     U.getFileName(text.fileName, OD.FileName, U.SLASH);
     IF OD.FileName = "" THEN
         OD.FileName := "NewFile.";
-        CASE text.lang OF
+        Languages.getExt(text.lang, ext);
-        |Languages.langText:   ext := "txt"
-        |Languages.langC:      ext := "c"
-        |Languages.langFasm:   ext := "asm"
-        |Languages.langIni:    ext := "ini"
-        |Languages.langJSON:   ext := "json"
-        |Languages.langLua:    ext := "lua"
-        |Languages.langOberon: ext := "ob07"
-        |Languages.langPascal: ext := "pas"
-        END;
         U.append8(OD.FileName, ext)
     END;
     OpenFile(fileName, EditFilter);
@@ -923,26 +911,11 @@ BEGIN
 END open;
 
 
-PROCEDURE createEdit (left, top: INTEGER): EB.tEditBox;
-VAR
-    edit, EditBox0: EB.tEditBox;
-BEGIN
-    NEW(EditBox0);
-    EditBox0.text := K.malloc(EDITBOX_MAXCHARS + 2);
-    ASSERT(EditBox0.text # 0);
-    edit := EB.create(left, top, EditBox_Width, EDITBOX_MAXCHARS, EditBox0);
-    edit.flags := {1, 14};
-    edit.text_color := 30000000H;
-    EditBox_SetFocus(edit, FALSE)
-    RETURN edit
-END createEdit;
-
-
 PROCEDURE createSearchForm;
 BEGIN
-    FindEdit := createEdit(searchLeft, TOP + 20);
+	EB.create(searchLeft, TOP + 20, EditBox_Width, EDITBOX_MAXCHARS, FindEdit);
-    ReplaceEdit := createEdit(searchLeft, TOP + 20 + 55);
+	EB.create(searchLeft, TOP + 20 + 55, EditBox_Width, EDITBOX_MAXCHARS, ReplaceEdit);
-    GotoEdit := createEdit(searchLeft, TOP + 20 + 330);
+    EB.create(searchLeft, TOP + 20 + 330, EditBox_Width, EDITBOX_MAXCHARS, GotoEdit);
     INCL(GotoEdit.flags, 15);
     CheckBox.create("backward", BKW);
     CheckBox.create("match case", CS);
@@ -1041,8 +1014,12 @@ END CloseMenu;
 
 
 PROCEDURE MenuItemClick (menu: Menu.tMenu; id: INTEGER);
+VAR
+	msg: ARRAY 2 OF INTEGER;
 BEGIN
-    K.SendIPC(mainTID, id)
+	msg[0] := id;
+	msg[1] := 8;
+    K.SendIPC(mainTID, msg)
 END MenuItemClick;
 
 
@@ -1940,9 +1917,10 @@ CONST
 VAR
     msState: SET;
     scroll, x, y, scrollX, scrollY: INTEGER;
+    pos1, pos2: T.tPoint;
 
 
-    PROCEDURE EditBox (eb: EB.tEditBox);
+    PROCEDURE EditBox (VAR eb: EB.tEditBox);
     VAR
         focus: BOOLEAN;
     BEGIN
@@ -1969,10 +1947,14 @@ BEGIN
         END;
         IF leftButton THEN
             IF K.GetTickCount() - time >= DELAY THEN
+            	T.getPos(text, pos1.Y, pos1.X);
                 mouse(x, y);
                 T.mouse(text, x, y);
+                T.getPos(text, pos2.Y, pos2.X);
+                IF (pos1.X # pos2.X) OR (pos1.Y # pos2.Y) THEN
                 	repaint
                 END
+            END
         END;
 
 		Scroll.mouse(hScroll);

programs/develop/cedit/SRC/EditBox.ob07

@@ -28,7 +28,7 @@ CONST
 
 TYPE
 
-	tEditBox* = POINTER TO RECORD
+	tEditBox* = RECORD
 		width*,
 		left*,
 		top*,
@@ -39,7 +39,7 @@ TYPE
 		text_color*,
 		max: INTEGER;
 		text*: INTEGER;
-		mouse_variable: tEditBox;
+		mouse_variable: INTEGER;
 		flags*: SET;
 
 		size,
@@ -110,28 +110,21 @@ BEGIN
 END setValue;
 
 
-PROCEDURE create* (tlx, tly, width, max_chars: INTEGER; editbox_interlock: tEditBox): tEditBox;
+PROCEDURE create* (tlx, tly, width, max_chars: INTEGER; VAR editbox: tEditBox);
-VAR
-    new_textbox: tEditBox;
-
 BEGIN
-    NEW(new_textbox);
+    editbox.width := width;
-
+    editbox.left := tlx;
-    new_textbox.width := width;
+    editbox.top := tly;
-    new_textbox.left := tlx;
+    editbox.color := 0FFFFFFH;
-    new_textbox.top := tly;
+    editbox.shift_color := 06A9480H;
-    new_textbox.color := 0FFFFFFH;
+    editbox.focus_border_color := 0;
-    new_textbox.shift_color := 06A9480H;
+    editbox.blur_border_color := 06A9480H;
-    new_textbox.focus_border_color := 0;
+    editbox.text_color := 30000000H;
-    new_textbox.blur_border_color := 06A9480H;
+    editbox.max := max_chars;
-    new_textbox.text_color := 0;
+    editbox.text := KOSAPI.malloc(max_chars + 2);
-    new_textbox.max := max_chars;
+    ASSERT(editbox.text # 0);
-    new_textbox.text := KOSAPI.malloc(max_chars + 2);
+    editbox.mouse_variable := 0;
-    ASSERT(new_textbox.text # 0);
+    editbox.flags := {14}
-    new_textbox.mouse_variable := editbox_interlock;
-    new_textbox.flags := {}
-
-    RETURN new_textbox
 END create;
 
 

programs/develop/cedit/SRC/KolibriOS.ob07

@@ -46,7 +46,7 @@ END GetName;
 
 PROCEDURE CreateWindow* (x, y, w, h, color, style, hcolor, hstyle: INTEGER; htext: ARRAY OF CHAR);
 BEGIN
-    KOSAPI.sysfunc6(0, x * 65536 + w, y * 65536 + h, color + LSL(style, 24), hcolor + LSL(hstyle, 24), SYSTEM.ADR(htext[0]))
+    KOSAPI.sysfunc6(0, x*65536 + w, y*65536 + h, color + LSL(style, 24), hcolor + LSL(hstyle, 24), SYSTEM.ADR(htext[0]))
 END CreateWindow;
 
 
@@ -142,25 +142,25 @@ END SetWinSize;
 
 PROCEDURE DrawText* (x, y, color: INTEGER; text: ARRAY OF WCHAR);
 BEGIN
-    KOSAPI.sysfunc6(4, x * 65536 + y, color + LSL(0A0H, 24), SYSTEM.ADR(text[0]), 0, 0)
+    KOSAPI.sysfunc6(4, x*65536 + y, color + LSL(0A0H, 24), SYSTEM.ADR(text[0]), 0, 0)
 END DrawText;
 
 
 PROCEDURE DrawText69* (x, y, color: INTEGER; text: ARRAY OF CHAR);
 BEGIN
-    KOSAPI.sysfunc6(4, x * 65536 + y, color + LSL(080H, 24), SYSTEM.ADR(text[0]), 0, 0)
+    KOSAPI.sysfunc6(4, x*65536 + y, color + LSL(080H, 24), SYSTEM.ADR(text[0]), 0, 0)
 END DrawText69;
 
 
 PROCEDURE DrawText866* (x, y, color: INTEGER; text: ARRAY OF CHAR);
 BEGIN
-    KOSAPI.sysfunc6(4, x * 65536 + y, color + LSL(0D0H, 24), SYSTEM.ADR(text[0]), 0, winColor)
+    KOSAPI.sysfunc6(4, x*65536 + y, color + LSL(0D0H, 24), SYSTEM.ADR(text[0]), 0, winColor)
 END DrawText866;
 
 
 PROCEDURE DrawText866bk* (x, y, color, bkColor: INTEGER; text: ARRAY OF CHAR);
 BEGIN
-    KOSAPI.sysfunc6(4, x * 65536 + y, color + LSL(0D0H, 24), SYSTEM.ADR(text[0]), 0, bkColor)
+    KOSAPI.sysfunc6(4, x*65536 + y, color + LSL(0D0H, 24), SYSTEM.ADR(text[0]), 0, bkColor)
 END DrawText866bk;
 
 
@@ -233,7 +233,14 @@ END ExitID;
 
 
 PROCEDURE CreateThread* (proc: INTEGER; stack: ARRAY OF INTEGER): INTEGER;
-    RETURN KOSAPI.sysfunc4(51, 1, proc, SYSTEM.ADR(stack[LEN(stack) - 2]))
+VAR
+	tid: INTEGER;
+BEGIN
+    tid := KOSAPI.sysfunc4(51, 1, proc, SYSTEM.ADR(stack[LEN(stack) - 2]));
+    IF tid = -1 THEN
+    	tid := 0
+    END
+    RETURN tid
 END CreateThread;
 
 
@@ -323,18 +330,12 @@ BEGIN
 END SetIPC;
 
 
-PROCEDURE SendIPC* (tid, msg: INTEGER);
+PROCEDURE SendIPC* (tid: INTEGER; msg: ARRAY OF INTEGER);
 BEGIN
-	KOSAPI.sysfunc5(60, 2, tid, SYSTEM.ADR(msg), SYSTEM.SIZE(INTEGER))
+	KOSAPI.sysfunc5(60, 2, tid, SYSTEM.ADR(msg[0]), SYSTEM.SIZE(INTEGER)*LEN(msg))
 END SendIPC;
 
 
-PROCEDURE PutPixel* (x, y, color: INTEGER);
-BEGIN
-    KOSAPI.sysfunc4(1, x, y, color)
-END PutPixel;
-
-
 PROCEDURE GetSystemColors*;
 VAR
     buf: ARRAY 10 OF INTEGER;
@@ -384,4 +385,10 @@ BEGIN
 END mouse;
 
 
+PROCEDURE SetCaption* (text: ARRAY OF CHAR);
+BEGIN
+	KOSAPI.sysfunc4(71, 2, SYSTEM.ADR(text[0]), 0)
+END SetCaption;
+
+
 END KolibriOS.

programs/develop/cedit/SRC/Languages.ob07

@@ -19,7 +19,7 @@
 
 MODULE Languages;
 
-IMPORT Lines;
+IMPORT Lines, Utils;
 
 
 CONST
@@ -49,6 +49,8 @@ VAR
 
     currentLang: INTEGER;
 
+    fileExt: ARRAY 11 OF RECORD ext: ARRAY 8 OF CHAR; lang: INTEGER END;
+
 
 PROCEDURE isCS* (lang: INTEGER): BOOLEAN;
     RETURN lang IN csLang
@@ -395,6 +397,36 @@ BEGIN
 END setCurLang;
 
 
+PROCEDURE getLang* (ext: ARRAY OF CHAR): INTEGER;
+VAR
+	i: INTEGER;
+BEGIN
+	i := 0;
+	WHILE (i < LEN(fileExt)) & (fileExt[i].ext # ext) DO
+		INC(i)
+	END;
+	IF i < LEN(fileExt) THEN
+		i := fileExt[i].lang
+	ELSE
+		i := langText
+	END
+	RETURN i
+END getLang;
+
+
+PROCEDURE getExt* (lang: INTEGER; VAR ext: ARRAY OF CHAR);
+VAR
+	i: INTEGER;
+BEGIN
+	i := 0;
+	WHILE fileExt[i].lang # lang DO
+		INC(i)
+	END;
+	COPY(fileExt[i].ext, ext);
+	Utils.lowcase(ext)
+END getExt;
+
+
 PROCEDURE init* (getStr: procGetStr);
 BEGIN
 	currentLang := langText;
@@ -406,6 +438,18 @@ BEGIN
     loadKW(KW[langIni],    Delim[langIni],    getStr, "lang_Ini");
     loadKW(KW[langFasm],   Delim[langFasm],   getStr, "lang_Fasm");
     loadKW(KW[langJSON],   Delim[langJSON],   getStr, "lang_JSON");
+
+    fileExt[ 0].ext := "OB07"; fileExt[ 0].lang := langOberon;
+    fileExt[ 1].ext := "C";    fileExt[ 1].lang := langC;
+    fileExt[ 2].ext := "H";    fileExt[ 2].lang := langC;
+    fileExt[ 3].ext := "CPP";  fileExt[ 3].lang := langC;
+    fileExt[ 4].ext := "PAS";  fileExt[ 4].lang := langPascal;
+    fileExt[ 5].ext := "PP";   fileExt[ 5].lang := langPascal;
+    fileExt[ 6].ext := "ASM";  fileExt[ 6].lang := langFasm;
+    fileExt[ 7].ext := "LUA";  fileExt[ 7].lang := langLua;
+    fileExt[ 8].ext := "INI";  fileExt[ 8].lang := langIni;
+    fileExt[ 9].ext := "JSON"; fileExt[ 9].lang := langJSON;
+    fileExt[10].ext := "TXT";  fileExt[10].lang := langText;
 END init;
 
 

programs/develop/cedit/SRC/Text.ob07

@@ -46,8 +46,8 @@ CONST
 
 TYPE
 
-    tPoint = RECORD
+    tPoint* = RECORD
-        X, Y: INTEGER
+        X*, Y*: INTEGER
     END;
 
     pPoint = POINTER TO tPoint;
@@ -67,22 +67,20 @@ TYPE
         scroll: tPoint;
         CurX: INTEGER;
         modified*: BOOLEAN;
-
         edition*: tGuard;
         comments, numbers*, guard,
         search, cs, whole: BOOLEAN;
         curLine: tLine;
-        fileName*: RW.tFileName;
         lang*: INTEGER;
-        enc*: INTEGER;
+        enc*, eol*: INTEGER;
-        eol*: INTEGER;
         table: Search.IdxTable;
         foundList: List.tList;
         idxData: Search.tBuffer;
         foundSel: INTEGER;
         searchText: tString;
         chLog*: ChangeLog.tLog;
-        maxLength*: INTEGER
+        maxLength*: INTEGER;
+        fileName*: RW.tFileName
     END;
 
     tProcedure = PROCEDURE;
@@ -104,34 +102,6 @@ VAR
     charWidth, charHeight: INTEGER;
 
 
-PROCEDURE setName* (text: tText; name: RW.tFileName);
-VAR
-    ext: RW.tFileName;
-BEGIN
-    text.fileName := name;
-    U.getFileName(text.fileName, ext, ".");
-    U.upcase(ext);
-    IF ext = "OB07" THEN
-        text.lang := Lang.langOberon
-    ELSIF (ext = "C") OR (ext = "H") OR (ext = "CPP") THEN
-        text.lang := Lang.langC
-    ELSIF (ext = "PAS") OR (ext = "PP") THEN
-        text.lang := Lang.langPascal
-    ELSIF ext = "ASM" THEN
-        text.lang := Lang.langFasm
-    ELSIF ext = "LUA" THEN
-        text.lang := Lang.langLua
-    ELSIF ext = "INI" THEN
-        text.lang := Lang.langIni
-    ELSIF ext = "JSON" THEN
-        text.lang := Lang.langJSON
-    ELSE
-        text.lang := Lang.langText
-    END;
-    Lang.setCurLang(text.lang)
-END setName;
-
-
 PROCEDURE setLang* (text: tText; lang: INTEGER);
 BEGIN
     text.lang := lang;
@@ -140,6 +110,17 @@ BEGIN
 END setLang;
 
 
+PROCEDURE setName* (text: tText; name: RW.tFileName);
+VAR
+    ext: RW.tFileName;
+BEGIN
+    text.fileName := name;
+    U.getFileName(name, ext, ".");
+    U.upcase(ext);
+    setLang(text, Lang.getLang(ext))
+END setName;
+
+
 PROCEDURE getPos* (text: tText; VAR x, y: INTEGER);
 BEGIN
     x := text.cursor.X + 1;
@@ -518,7 +499,7 @@ BEGIN
 	            ELSE
 	                cond := 0
 	            END
-        END;
+	        END
 
         ELSIF lang = Lang.langOberon THEN
 
@@ -2089,7 +2070,7 @@ BEGIN
     line := getLine(text, n);
     firstLine := line;
     cnt := 0;
-    WHILE (line # NIL) & (cnt <= textsize.Y) DO
+    WHILE (line # NIL) & (cnt < textsize.Y) DO
         backColor := colors.back;
         IF (line = text.curLine) & ~selected(text) THEN
             G.SetColor(canvas, colors.curline);
@@ -2122,7 +2103,7 @@ BEGIN
     line := firstLine;
     SetColor(colors.numtext, colors.numback);
     y := padding.top + inter DIV 2;
-    n := MIN(text.scroll.Y + textsize.Y + 1, text.count);
+    n := MIN(text.scroll.Y + textsize.Y, text.count);
     FOR i := text.scroll.Y + 1 TO n DO
         IF text.numbers THEN
             IF (i MOD 10 = 0) OR (i - 1 = text.cursor.Y) OR line.label THEN
@@ -2147,7 +2128,7 @@ BEGIN
         cnt := 0;
         line := firstLine;
         lastLine := line;
-        WHILE (line # NIL) & (cnt <= textsize.Y) DO
+        WHILE (line # NIL) & (cnt < textsize.Y) DO
             lastLine := line;
             NextLine(line);
             INC(cnt)

programs/develop/cedit/SRC/Timer.ob07

@@ -50,7 +50,7 @@ BEGIN
 		IF enabled THEN
 			DEC(cnt, step);
 			IF cnt <= 0 THEN
-				KOSAPI.sysfunc5(60, 2, mainTID, SYSTEM.ADR(msg[0]), msg[1]);
+				K.SendIPC(mainTID, msg);
 				cnt := time
 			END
 		END

programs/develop/cedit/SRC/Utils.ob07

@@ -200,7 +200,7 @@ BEGIN
         IF cap8(s[i]) THEN
         END;
         DEC(i)
-    END;
+    END
 END upcase;
 
 
@@ -240,6 +240,20 @@ BEGIN
 END low;
 
 
+PROCEDURE lowcase* (VAR s: ARRAY OF CHAR);
+VAR
+    i: INTEGER;
+BEGIN
+    i := LENGTH(s) - 1;
+    WHILE i >= 0 DO
+        IF ("A" <= s[i]) & (s[i] <= "Z") THEN
+        	s[i] := CHR(ORD(s[i]) + 32)
+        END;
+        DEC(i)
+    END
+END lowcase;
+
+
 PROCEDURE str2int* (s: ARRAY OF WCHAR; VAR val: INTEGER): BOOLEAN;
 VAR
     i, temp: INTEGER;
@@ -262,8 +276,7 @@ BEGIN
 
     IF isDigit(s[i]) THEN
         REPEAT
-            temp := temp * 10;
+            temp := temp*10 + ORD(s[i]) - ORD("0");
-            temp := temp + (ORD(s[i]) - ORD("0"));
             INC(i)
         UNTIL ~isDigit(s[i]);
         IF neg THEN

programs/develop/cedit/SRC/scroll.ob07

@@ -296,7 +296,6 @@ PROCEDURE MouseMove (VAR scroll: tScroll; x, y: INTEGER);
 VAR
 	c: INTEGER;
 BEGIN
-	IF scroll.Slider # -1 THEN
 	IF scroll.vertical THEN
 		c := y - scroll.top
 	ELSE
@@ -304,13 +303,16 @@ BEGIN
 	END;
 	setPos(scroll, scroll.pos0 + c - scroll.Slider);
 	paint(scroll)
-	END
 END MouseMove;
 
 
 PROCEDURE SendIPC;
+VAR
+	msg: ARRAY 2 OF INTEGER;
 BEGIN
-	K.SendIPC(K.ThreadID(), ScrollIPC)
+	msg[0] := ScrollIPC;
+	msg[1] := 8;
+	K.SendIPC(K.ThreadID(), msg)
 END SendIPC;
 
 
@@ -342,7 +344,6 @@ PROCEDURE MouseDown (VAR scroll: tScroll; x, y: INTEGER);
 VAR
 	c, size: INTEGER;
 BEGIN
-	IF ~scroll.mouse THEN
 	DEC(x, scroll.left);
 	DEC(y, scroll.top);
 	scroll.mouse := TRUE;
@@ -370,7 +371,6 @@ BEGIN
 			paint(scroll)
 		END
 	END
-	END
 END MouseDown;
 
 
@@ -381,8 +381,11 @@ VAR
 BEGIN
 	K.mouse(msState, x, y);
 	IF 0 IN msState THEN
-		MouseDown(scroll, x, y);
+		IF ~scroll.mouse THEN
+			MouseDown(scroll, x, y)
+		ELSIF scroll.Slider # -1 THEN
 			MouseMove(scroll, x, y)
+		END
 	ELSIF scroll.mouse THEN
 		MouseUp(scroll);
 		paint(scroll)