forked from KolibriOS/kolibrios
635 lines
15 KiB
Plaintext
635 lines
15 KiB
Plaintext
(*
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Copyright 2021 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 Menu;
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IMPORT
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SYSTEM, G := Graph, List, K := KolibriOS;
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CONST
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fontHeight = 22;
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fontWidth = 8;
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MainMenuHeight* = K.fontHeight + 7;
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RIGHT = 16;
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LEFT = 16;
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TOP = 1;
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maxLEVEL = 1;
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backColor = 0F0F0F0H;
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foreColor = 0;
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selBackColor = 091C9F7H;
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selForeColor = 0;
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disBackColor = backColor;
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disForeColor = 808080H;
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disSelBackColor = 0E4E4E4H;
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disSelForeColor = disForeColor;
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TYPE
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tMainItem* = POINTER TO descMainItem;
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tMain* = POINTER TO RECORD (List.tList)
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id: INTEGER
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END;
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tMenu* = POINTER TO RECORD
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tid*: INTEGER;
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active*, keyboard: BOOLEAN;
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parent*, child: tMenu;
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mainID: INTEGER;
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winX, winY, width*, height*: INTEGER;
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selItem, cliItem: INTEGER;
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font: G.tFont;
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canvas: G.tCanvas;
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items: List.tList;
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click: PROCEDURE (menu: tMenu; id: INTEGER);
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key: PROCEDURE (menu: tMenu; key: INTEGER): BOOLEAN
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END;
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tItem* = POINTER TO RECORD (List.tItem)
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id*, check: INTEGER;
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text: ARRAY 32 OF WCHAR;
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enabled, delim: BOOLEAN;
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child: tMenu
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END;
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descMainItem = RECORD (List.tItem)
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id*, x: INTEGER;
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text: ARRAY 32 OF WCHAR;
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menu*: tMenu;
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main: tMain
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END;
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tClick = PROCEDURE (menu: tMenu; id: INTEGER);
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tKey = PROCEDURE (menu: tMenu; key: INTEGER): BOOLEAN;
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tProc = PROCEDURE;
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VAR
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stack: ARRAY maxLEVEL + 1, 250000 OF INTEGER;
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TIDs: ARRAY maxLEVEL + 1 OF INTEGER;
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resetTimer: tProc;
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_open: PROCEDURE (m: tMenu; x, y: INTEGER);
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(*
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backColor, foreColor, selBackColor, selForeColor,
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disBackColor, disForeColor, disSelBackColor, disSelForeColor: INTEGER;
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*)
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PROCEDURE AddMainItem* (main: tMain; text: ARRAY OF WCHAR; menu: tMenu);
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VAR
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item, prev: tMainItem;
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BEGIN
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NEW(item);
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item.id := main.id + main.count;
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COPY(text, item.text);
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item.menu := menu;
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item.main := main;
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menu.mainID := item.id;
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List.append(main, item);
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prev := item.prev(tMainItem);
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IF prev # NIL THEN
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item.x := prev.x + LENGTH(prev.text)*fontWidth + 9
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ELSE
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item.x := 0
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END
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END AddMainItem;
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PROCEDURE CreateMain* (id: INTEGER): tMain;
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VAR
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res: tMain;
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list: List.tList;
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BEGIN
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NEW(res);
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res.id := id;
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list := List.create(res)
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RETURN res
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END CreateMain;
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PROCEDURE drawMainItem (item: tMainItem);
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VAR
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menuColor, textColor, n: INTEGER;
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BEGIN
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IF item.menu.tid # 0 THEN
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menuColor := K.textColor;
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textColor := K.winColor
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ELSE
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menuColor := K.winColor;
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textColor := K.textColor
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END;
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n := LENGTH(item.text);
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K.DrawRect(item.x, 0, n*fontWidth + 2, MainMenuHeight, menuColor);
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K.CreateButton(item.id + ORD({30}), item.x, 0, n*fontWidth + 2, MainMenuHeight, K.btnColor, "");
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K.DrawText(item.x + 1, (MainMenuHeight - K.fontHeight) DIV 2 + 1, textColor, item.text)
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END drawMainItem;
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PROCEDURE DrawMain* (main: tMain);
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VAR
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item: List.tItem;
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BEGIN
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item := main.first;
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WHILE item # NIL DO
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drawMainItem(item(tMainItem));
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item := item.next
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END
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END DrawMain;
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PROCEDURE getMainID (m: tMenu): INTEGER;
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BEGIN
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WHILE m.parent # NIL DO
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m := m.parent
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END
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RETURN m.mainID
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END getMainID;
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PROCEDURE ClickMain* (main: tMain; btn: INTEGER): tMenu;
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VAR
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item: List.tItem;
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res: tMenu;
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BEGIN
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item := List.getItem(main, btn - main.id);
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IF item # NIL THEN
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res := item(tMainItem).menu
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ELSE
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res := NIL
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END
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RETURN res
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END ClickMain;
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PROCEDURE isSender* (tid: INTEGER): BOOLEAN;
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VAR
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i: INTEGER;
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BEGIN
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i := 0;
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WHILE (i <= maxLEVEL) & (TIDs[i] # tid) DO
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INC(i)
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END
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RETURN i <= maxLEVEL
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END isSender;
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PROCEDURE exit (m: tMenu);
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BEGIN
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m.active := FALSE;
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resetTimer;
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m.tid := 0;
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K.Exit
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END exit;
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PROCEDURE escape (m: tMenu);
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BEGIN
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m.active := FALSE;
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IF m.parent = NIL THEN
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resetTimer
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END;
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m.tid := 0;
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K.Exit
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END escape;
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PROCEDURE repaint (m: tMenu);
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VAR
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y, i, X, Y: INTEGER;
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item: tItem;
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BkColor, TextColor: INTEGER;
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canvas: G.tCanvas;
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BEGIN
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(*
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backColor := K.winColor;
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foreColor := K.textColor;
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selBackColor := K.btnColor;
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selForeColor := K.btnTextColor;
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disBackColor := backColor;
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disForeColor := K.darkColor;
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disSelBackColor := K.lightColor;
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disSelForeColor := disForeColor;
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*)
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canvas := m.canvas;
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G.SetColor(canvas, backColor);
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G.clear(canvas);
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G.SetColor(canvas, foreColor);
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G.Rect(canvas, 0, 0, m.width, m.height);
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y := TOP;
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i := 0;
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item := m.items.first(tItem);
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WHILE item # NIL DO
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IF item.enabled THEN
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IF i # m.selItem THEN
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BkColor := backColor;
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TextColor := foreColor
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ELSE
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BkColor := selBackColor;
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TextColor := selForeColor
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END
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ELSE
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IF i # m.selItem THEN
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BkColor := disBackColor;
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TextColor := disForeColor
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ELSE
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BkColor := disSelBackColor;
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TextColor := disSelForeColor
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END
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END;
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Y := y + (fontHeight - 16) DIV 2;
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G.SetColor(canvas, BkColor);
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G.FillRect(canvas, 1, y, m.width - 1, y + fontHeight - 4);
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G.SetTextColor(canvas, TextColor);
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G.SetBkColor(canvas, BkColor);
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G.TextOut2(canvas, LEFT, Y - 2, item.text, LENGTH(item.text));
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G.SetColor(canvas, TextColor);
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IF item.check = 1 THEN
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G.DLine(canvas, 4, 7, Y + 5, -1);
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G.DLine(canvas, 4, 7, Y + 6, -1);
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G.DLine(canvas, 7, 12, Y + 8, 1);
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G.DLine(canvas, 7, 12, Y + 9, 1);
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ELSIF item.check = 2 THEN
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G.FillRect(canvas, 6, y + fontHeight DIV 2 - 4, 10, y + fontHeight DIV 2)
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END;
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IF item.child # NIL THEN
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X := m.width - 9;
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G.Triangle(canvas, X, Y + 2, X, Y + 10, G.triRight)
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END;
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INC(y, fontHeight);
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IF item.delim THEN
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G.SetColor(canvas, foreColor);
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G.HLine(canvas, y - 2, 1, m.width - 1)
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END;
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INC(i);
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item := item.next(tItem)
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END;
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G.DrawCanvas(canvas, 0, 0)
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END repaint;
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PROCEDURE draw_window (m: tMenu);
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BEGIN
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K.BeginDraw;
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K.CreateWindow(m.winX, m.winY, m.width, m.height, 0, 61H, 0, 1, "");
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repaint(m);
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K.EndDraw
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END draw_window;
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PROCEDURE close* (m: tMenu);
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VAR
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temp: INTEGER;
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BEGIN
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IF (m # NIL) & (m.tid # 0) THEN
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IF m.child # NIL THEN
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close(m.child);
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m.child := NIL
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END;
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temp := m.tid;
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m.tid := 0;
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K.ExitID(temp);
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m.active := FALSE
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END
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END close;
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PROCEDURE click (m: tMenu; i: INTEGER);
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VAR
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item: List.tItem;
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p: tMenu;
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id: INTEGER;
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BEGIN
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id := -1;
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IF i < 0 THEN
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id := i
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ELSE
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item := List.getItem(m.items, i);
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IF (item # NIL) & item(tItem).enabled & (item(tItem).child = NIL) THEN
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id := item(tItem).id
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END
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END;
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IF id # -1 THEN
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m.click(m, id);
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p := m.parent;
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WHILE p # NIL DO
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p.child := NIL;
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close(p);
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p := p.parent
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END;
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exit(m)
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END
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END click;
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PROCEDURE opened* (m: tMenu): BOOLEAN;
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RETURN m.tid # 0
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END opened;
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PROCEDURE isActive (m: tMenu): BOOLEAN;
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RETURN (m # NIL) & ((m.tid # 0) & m.active OR isActive(m.child))
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END isActive;
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PROCEDURE closeChild (m: tMenu);
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BEGIN
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IF m.child # NIL THEN
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close(m.child);
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m.child := NIL
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END
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END closeChild;
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PROCEDURE submenu (m: tMenu; keyboard: BOOLEAN): BOOLEAN;
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VAR
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item: List.tItem;
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res: BOOLEAN;
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BEGIN
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res := FALSE;
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item := List.getItem(m.items, m.selItem);
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IF (item # NIL) & item(tItem).enabled & (item(tItem).child # NIL) THEN
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res := TRUE;
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IF ~opened(item(tItem).child) THEN
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closeChild(m);
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item(tItem).child.keyboard := keyboard;
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_open(item(tItem).child, m.winX + m.width - 2, m.winY + m.selItem*fontHeight);
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m.child := item(tItem).child;
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END
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ELSE
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closeChild(m)
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END
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RETURN res
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END submenu;
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PROCEDURE [stdcall] window (m: tMenu);
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VAR
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x, y: INTEGER;
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msState: SET;
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key, temp: INTEGER;
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shift, ctrl: BOOLEAN;
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BEGIN
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m.selItem := ORD(m.keyboard) - 1;
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m.cliItem := -1;
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m.keyboard := FALSE;
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K.SetEventsMask({0, 1, 5});
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WHILE TRUE DO
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CASE K.EventTimeout(100) OF
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|0:
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|1:
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draw_window(m)
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|2:
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K.getKBState(shift, ctrl);
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key := K.GetKey();
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IF ~shift & ~ ctrl THEN
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IF key DIV 65536 = 72 THEN
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m.selItem := (m.selItem - 1) MOD m.items.count
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ELSIF key DIV 65536 = 80 THEN
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m.selItem := (m.selItem + 1) MOD m.items.count
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ELSIF key DIV 65536 = 28 THEN
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IF m.selItem >= 0 THEN
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click(m, m.selItem)
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END;
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m.cliItem := -1
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ELSIF key DIV 65536 = 77 THEN
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IF ~submenu(m, TRUE) THEN
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click(m, -(getMainID(m) + 1))
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END;
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m.cliItem := -1
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ELSIF key DIV 65536 = 75 THEN
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IF m.parent # NIL THEN
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escape(m)
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ELSE
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click(m, -(getMainID(m) - 1))
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END;
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m.cliItem := -1
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ELSIF key DIV 65536 = 1 THEN
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escape(m)
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ELSE
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IF m.key(m, key) THEN
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IF m.parent # NIL THEN
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temp := m.parent.tid;
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m.parent.tid := 0;
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K.ExitID(temp)
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END;
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exit(m)
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END
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END
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ELSE
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IF m.key(m, key) THEN
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IF m.parent # NIL THEN
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temp := m.parent.tid;
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m.parent.tid := 0;
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K.ExitID(temp)
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END;
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exit(m)
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END
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END;
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repaint(m)
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|6:
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K.mouse(msState, x, y);
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IF (0 <= x) & (x < m.width) & (0 <= y) & (y < m.height) THEN
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m.active := TRUE;
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m.selItem := (y - TOP) DIV fontHeight;
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IF 8 IN msState THEN
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m.cliItem := (y - TOP) DIV fontHeight
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END;
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IF 16 IN msState THEN
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IF m.cliItem = m.selItem THEN
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click(m, m.cliItem)
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END;
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m.cliItem := -1
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END
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ELSE
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m.active := FALSE;
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m.cliItem := -1;
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IF ({8, 9, 10, 16} * msState # {}) & ~isActive(m.child) THEN
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exit(m)
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END
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END;
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repaint(m);
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IF submenu(m, FALSE) THEN END
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END
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END
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END window;
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PROCEDURE level (m: tMenu): INTEGER;
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VAR
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res: INTEGER;
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BEGIN
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res := 0;
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WHILE m.parent # NIL DO
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INC(res);
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m := m.parent
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END
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RETURN res
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END level;
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PROCEDURE open* (m: tMenu; x, y: INTEGER);
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VAR
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L: INTEGER;
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BEGIN
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IF m.tid = 0 THEN
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L := level(m);
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IF K.GetThreadSlot(TIDs[L]) = 0 THEN
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m.winX := x;
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m.winY := y;
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SYSTEM.PUT(SYSTEM.ADR(stack[L][LEN(stack[0]) - 1]), m);
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m.tid := K.CreateThread(SYSTEM.ADR(window), stack[L]);
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TIDs[L] := m.tid
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END
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END
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END open;
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PROCEDURE AddMenuItem* (items: List.tList; id: INTEGER; s: ARRAY OF WCHAR);
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VAR
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item: tItem;
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BEGIN
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NEW(item);
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item.id := id;
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item.text := s;
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item.enabled := TRUE;
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item.delim := FALSE;
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item.child := NIL;
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List.append(items, item);
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END AddMenuItem;
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PROCEDURE delimiter* (items: List.tList);
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BEGIN
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items.last(tItem).delim := TRUE
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END delimiter;
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PROCEDURE child* (items: List.tList; menu: tMenu);
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BEGIN
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items.last(tItem).child := menu
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END child;
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PROCEDURE getItem (m: tMenu; id: INTEGER): tItem;
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VAR
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item: tItem;
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BEGIN
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item := m.items.first(tItem);
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WHILE (item # NIL) & (item.id # id) DO
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item := item.next(tItem)
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END
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RETURN item
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END getItem;
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PROCEDURE setEnabled* (m: tMenu; id: INTEGER; value: BOOLEAN);
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VAR
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item: tItem;
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BEGIN
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item := getItem(m, id);
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IF item # NIL THEN
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item.enabled := value
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END
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END setEnabled;
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PROCEDURE check* (m: tMenu; id: INTEGER; value: BOOLEAN);
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VAR
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item: tItem;
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BEGIN
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item := getItem(m, id);
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IF item # NIL THEN
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item.check := ORD(value)
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END
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END check;
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PROCEDURE option* (m: tMenu; id: INTEGER; value: BOOLEAN);
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VAR
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item: tItem;
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BEGIN
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item := getItem(m, id);
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IF item # NIL THEN
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item.check := ORD(value)*2
|
|
END
|
|
END option;
|
|
|
|
|
|
PROCEDURE isEnabled* (m: tMenu; id: INTEGER): BOOLEAN;
|
|
VAR
|
|
item: tItem;
|
|
BEGIN
|
|
item := getItem(m, id)
|
|
RETURN (item # NIL) & item.enabled
|
|
END isEnabled;
|
|
|
|
|
|
PROCEDURE create* (items: List.tList; click: tClick; key: tKey): tMenu;
|
|
VAR
|
|
m: tMenu;
|
|
maxLength: INTEGER;
|
|
item: tItem;
|
|
BEGIN
|
|
NEW(m);
|
|
m.tid := 0;
|
|
m.active := FALSE;
|
|
m.parent := NIL;
|
|
m.child := NIL;
|
|
m.mainID := 0;
|
|
m.items := items;
|
|
m.click := click;
|
|
m.key := key;
|
|
maxLength := 0;
|
|
item := items.first(tItem);
|
|
WHILE item # NIL DO
|
|
maxLength := MAX(maxLength, LENGTH(item.text));
|
|
item := item.next(tItem)
|
|
END;
|
|
m.width := maxLength*fontWidth + LEFT + RIGHT;
|
|
m.height := items.count*fontHeight - 2;
|
|
m.font := G.CreateFont(1, "", {});
|
|
m.canvas := G.CreateCanvas(m.width + 1, m.height + 1);
|
|
G.SetFont(m.canvas, m.font);
|
|
RETURN m
|
|
END create;
|
|
|
|
|
|
PROCEDURE init* (_resetTimer: tProc);
|
|
VAR
|
|
i: INTEGER;
|
|
BEGIN
|
|
resetTimer := _resetTimer;
|
|
_open := open;
|
|
FOR i := 0 TO maxLEVEL DO
|
|
TIDs[i] := 0
|
|
END
|
|
END init;
|
|
|
|
|
|
END Menu. |