forked from KolibriOS/kolibrios
390 lines
10 KiB
Plaintext
390 lines
10 KiB
Plaintext
(*
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Copyright 2016-2023 Anton Krotov
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This file is part of fb2read.
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fb2read 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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fb2read 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 fb2read. If not, see <http://www.gnu.org/licenses/>.
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*)
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MODULE FB2READ;
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IMPORT
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DOM, SU := SysUtils, S := Strings, W := Window, Settings, OpenDlg,
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G := Graph, SelEnc, Ini, File, box_lib, Font, SearchForm, Toolbar;
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CONST
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CLOSE = 1;
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BACK = 16;
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FORWARD = 17;
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CONTENTS = 18;
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DESCR = 19;
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SETTINGS = 20;
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SEARCH = 21;
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KEY_DOWN = 80;
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KEY_UP = 72;
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KEY_PG_DOWN = 81;
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KEY_PG_UP = 73;
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KEY_HOME = 71;
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KEY_END = 79;
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KEY_F2 = 60;
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KEY_F3 = 61;
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KEY_F4 = 62;
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KEY_F10 = 68;
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TOOLBAR_LEFT = 5;
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TOOLBAR_TOP = 6;
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BUTTON_HEIGHT = 24;
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CANVAS_LEFT = 1;
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CANVAS_TOP = 2 * TOOLBAR_TOP + Toolbar.BtnSize;
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WINDOW_BEVEL = 4;
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SCROLLBAR_WIDTH = 20;
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STATUSBAR_HEIGHT = 18;
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VAR
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Window : W.tWindow;
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toolbar : Toolbar.tToolbar;
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SkinHeight : INTEGER;
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Open : OpenDlg.Dialog;
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FileName : S.STRING;
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sb : box_lib.scrollbar;
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PROCEDURE ToolbarEnable;
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BEGIN
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Toolbar.enable(toolbar, BACK, DOM.BackEnabled());
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Toolbar.enable(toolbar, FORWARD, DOM.FrwEnabled());
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Toolbar.enable(toolbar, CONTENTS, DOM.ContentsEnabled());
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Toolbar.enable(toolbar, DESCR, DOM.DescrEnabled());
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END ToolbarEnable;
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PROCEDURE ToolBar;
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BEGIN
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sb := box_lib.kolibri_scrollbar(sb, (G.Buffer.Width + CANVAS_LEFT) * 65536 + SCROLLBAR_WIDTH + 1,
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CANVAS_TOP * 65536 + G.Buffer.Height, SCROLLBAR_WIDTH, sb.max_area, sb.cur_area, sb.position, SU.lightColor, SU.btnColor, 0, 0);
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box_lib.scrollbar_v_draw(sb);
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ToolbarEnable;
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Toolbar.draw(toolbar);
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END ToolBar;
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PROCEDURE Resize;
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VAR Width, Height: INTEGER;
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BEGIN
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SU.GetWindowPos(Window.left, Window.top);
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SU.GetWindowSize(Width, Height);
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IF (Window.width # Width) OR (Window.height # Height) OR (SkinHeight # SU.SkinHeight()) THEN
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SU.MinMax(Width, 640, 65535);
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SU.MinMax(Height, 400, 65535);
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Window.dWidth := Width - Window.width;
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Window.dHeight := Height - Window.height;
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Window.width := Width;
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Window.height := Height;
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SU.SetWindowSize(Width, Height);
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DOM.Resize(G.Buffer.Width + Window.dWidth, G.Buffer.Height + Window.dHeight + (SkinHeight - SU.SkinHeight()));
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SkinHeight := SU.SkinHeight()
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END
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END Resize;
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PROCEDURE DrawStatus;
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BEGIN
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SU.DrawRect(0, Window.height - SkinHeight - WINDOW_BEVEL - STATUSBAR_HEIGHT + 1, Window.width - 2 * WINDOW_BEVEL - 1, STATUSBAR_HEIGHT, SU.winColor);
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IF DOM.urlstr # "" THEN
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SU.OutText(CANVAS_LEFT, Window.height - SkinHeight - WINDOW_BEVEL - STATUSBAR_HEIGHT + 2, DOM.urlstr,
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MIN(LENGTH(DOM.urlstr), (Window.width - 2 * WINDOW_BEVEL - 1 - CANVAS_LEFT * 2) DIV 8), SU.textColor)
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ELSIF DOM.found() THEN
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SU.OutText(CANVAS_LEFT, Window.height - SkinHeight - WINDOW_BEVEL - STATUSBAR_HEIGHT + 2,
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"F2 - first | F3 - next | F4 - prev. | F10 - exit", 48, SU.textColor)
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END
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END DrawStatus;
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PROCEDURE DrawWindow;
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BEGIN
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SU.GetSystemColors;
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SU.WindowRedrawStatus(1);
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IF Window.created THEN
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IF ~SU.RolledUp() THEN
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Resize;
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DOM.SetWinSize(Window.width, Window.height)
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END
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ELSE
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Window.created := TRUE
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END;
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SU.DefineAndDrawWindow(Window.left, Window.top, Window.width, Window.height,
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SU.winColor, LSL(ORD({0, 1, 2}), 4) + 4 - ORD(DOM.loaded), Window.caption);
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IF ~SU.RolledUp() THEN
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SU.DrawRect(0, 0, Window.width - 2 * WINDOW_BEVEL - 1, CANVAS_TOP, SU.winColor);
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SU.DrawRect(0, Window.height - SkinHeight - WINDOW_BEVEL - STATUSBAR_HEIGHT + 1, Window.width - 2 * WINDOW_BEVEL - 1, STATUSBAR_HEIGHT, SU.winColor);
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SU.DrawRect(0, 0, CANVAS_LEFT, Window.height - SkinHeight - WINDOW_BEVEL, SU.winColor);
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SU.DrawRect(Window.width - 2 * WINDOW_BEVEL - CANVAS_LEFT - 1 - SCROLLBAR_WIDTH - 2, 0, CANVAS_LEFT + SCROLLBAR_WIDTH + 2, Window.height - SkinHeight - WINDOW_BEVEL, SU.winColor);
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IF DOM.loaded THEN
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ToolBar;
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DOM.Draw;
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DrawStatus
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END
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END;
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SU.WindowRedrawStatus(2)
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END DrawWindow;
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PROCEDURE ConvMousePos(VAR X, Y: INTEGER);
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BEGIN
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X := X - Window.left - WINDOW_BEVEL - 1;
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Y := Y - Window.top - SkinHeight
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END ConvMousePos;
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PROCEDURE DrawToolbar;
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BEGIN
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ToolbarEnable;
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Toolbar.drawIcons(toolbar)
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END DrawToolbar;
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PROCEDURE ButtonClick;
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BEGIN
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CASE SU.GetButtonCode() OF
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|0 :
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|CLOSE : SearchForm.close(FALSE);
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Settings.Close;
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DOM.Close
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|BACK : DOM.Back
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|FORWARD : DOM.Forward
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|CONTENTS : DOM.Contents
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|DESCR : DOM.Descr
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|SEARCH : DOM.OpenSearch
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|SETTINGS : Settings.Open
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END;
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DOM.Draw;
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DrawStatus
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END ButtonClick;
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PROCEDURE KeyDown;
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VAR
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key: INTEGER;
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shift, ctrl: BOOLEAN;
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BEGIN
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SU.getKBState(shift, ctrl);
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key := SU.GetKey() DIV 65536;
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CASE key OF
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|KEY_DOWN : DOM.Scroll(1)
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|KEY_UP : DOM.Scroll(-1)
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|KEY_PG_DOWN : DOM.PageDown
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|KEY_PG_UP : DOM.PageUp
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|KEY_HOME : DOM.Home
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|KEY_END : DOM.End
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|KEY_F2 : DOM.Find(0)
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|KEY_F3 : DOM.Find(1)
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|KEY_F4 : DOM.Find(-1)
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|KEY_F10 : DOM.CloseSearch
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|33 : IF ctrl THEN DOM.OpenSearch END (* ctrl-F *)
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ELSE
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END;
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DOM.Draw;
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DrawStatus
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END KeyDown;
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PROCEDURE CanvasIsClicked(X, Y: INTEGER): BOOLEAN;
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RETURN
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(CANVAS_LEFT <= X) & (X < CANVAS_LEFT + G.Buffer.Width) &
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(CANVAS_TOP <= Y) & (Y < CANVAS_TOP + G.Buffer.Height)
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END CanvasIsClicked;
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PROCEDURE MouseEvent;
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VAR
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mouse_status : SET;
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X, Y : INTEGER;
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scroll : INTEGER;
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BEGIN
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SU.MousePos(X, Y);
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mouse_status := SU.MouseStatus();
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scroll := SU.MouseVScroll();
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IF SU.L_BUTTON IN mouse_status THEN
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ConvMousePos(X, Y);
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IF CanvasIsClicked(X, Y) THEN
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X := X - CANVAS_LEFT;
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Y := Y - CANVAS_TOP;
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DOM.Click(X, Y, TRUE)
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END
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ELSIF scroll # 0 THEN
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DOM.Scroll(scroll*2);
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DOM.Draw
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ELSE
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ConvMousePos(X, Y);
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IF CanvasIsClicked(X, Y) THEN
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X := X - CANVAS_LEFT;
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Y := Y - CANVAS_TOP;
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DOM.Click(X, Y, FALSE)
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END
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END
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END MouseEvent;
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PROCEDURE Empty;
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END Empty;
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PROCEDURE OpenFile;
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BEGIN
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Open := OpenDlg.Create(Empty, 0, Ini.Default, Ini.Files);
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OpenDlg.Show(Open, 500, 400);
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WHILE Open.status = 2 DO
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SU.Pause(30)
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END;
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IF Open.status = 0 THEN
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SU.Halt
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END;
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COPY(Open.FilePath, FileName);
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OpenDlg.Destroy(Open)
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END OpenFile;
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PROCEDURE IsFB2(FileName: S.STRING): BOOLEAN;
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VAR temp: S.STRING;
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BEGIN
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temp := FileName;
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S.Reverse(temp);
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temp[4] := 0X;
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S.UCase(temp)
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RETURN temp = "2BF."
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END IsFB2;
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PROCEDURE main(title: ARRAY OF CHAR);
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VAR
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WinW, X1, Y1, X2, Y2, scr_pos, ignore: INTEGER;
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Win2: W.tWindow; resize: BOOLEAN;
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FilePath: S.STRING; defpath: BOOLEAN;
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BEGIN
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SkinHeight := SU.SkinHeight();
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sb := box_lib.kolibri_new_scrollbar(10 * 65536 + 200, 10 * 65536 + 30, 25, 15, 10, 0, 0, 0, 0, 0);
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DOM.SetScrollBar(sb);
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defpath := TRUE;
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SU.GetParam(FileName);
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IF FileName = "" THEN
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OpenFile
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END;
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IF FileName[0] = "!" THEN
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FileName[0] := "/";
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defpath := FALSE
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END;
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IF defpath THEN
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FilePath := FileName;
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S.GetPath(FilePath);
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Ini.SetDefaultPath(FilePath);
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DOM.SetColors;
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DOM.Set_b_pict(Ini.b_pict);
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Ini.Save(DOM.Settings.Colors, DOM.Settings.b_pict)
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END;
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IF ~IsFB2(FileName) THEN
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SelEnc.Show(FileName)
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END;
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SU.SetEventsMask({0, 1, 2, 5, 31});
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SU.GetScreenArea(X1, Y1, X2, Y2);
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WinW := (X2 - X1) DIV 2;
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SU.MinMax(WinW, 640, 65535);
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W.init(Window, (X2 - X1 - WinW) DIV 2, Y1, WinW, Y2 - Y1, title);
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Settings.Default;
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DOM.GetWinSize(FileName, Window.width, Window.height);
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Win2 := Window;
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resize := FALSE;
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IF Win2.width > X2 - X1 THEN
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Win2.width := X2 - X1;
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resize := TRUE
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END;
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IF Win2.height > Y2 - Y1 THEN
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Win2.height := Y2 - Y1;
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resize := TRUE
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END;
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DOM.Init(CANVAS_LEFT, CANVAS_TOP,
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Window.width - 2 * CANVAS_LEFT - 2 * WINDOW_BEVEL - 1 - SCROLLBAR_WIDTH - 2,
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Window.height - SkinHeight - CANVAS_TOP - WINDOW_BEVEL - STATUSBAR_HEIGHT + 1);
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DOM.SetColors;
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DOM.Set_b_pict(Ini.b_pict);
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Window := Win2;
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G.InitSize(Window.width - 2 * CANVAS_LEFT - 2 * WINDOW_BEVEL - 1 - SCROLLBAR_WIDTH, Window.height - SkinHeight - CANVAS_TOP - WINDOW_BEVEL + 1 - STATUSBAR_HEIGHT);
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S.Append(Window.caption, " - ");
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S.Append(Window.caption, FileName);
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Toolbar.create(toolbar, TOOLBAR_LEFT, TOOLBAR_TOP);
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Toolbar.add(toolbar, BACK, 30, "");
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Toolbar.add(toolbar, FORWARD, 31, "");
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Toolbar.delimiter(toolbar);
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Toolbar.add(toolbar, CONTENTS, 3, "");
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Toolbar.delimiter(toolbar);
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Toolbar.add(toolbar, SEARCH, 49, "");
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Toolbar.delimiter(toolbar);
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Toolbar.add(toolbar, DESCR, 66, "");
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Toolbar.delimiter(toolbar);
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Toolbar.add(toolbar, SETTINGS, 60, "");
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DOM.Open(FileName, DrawWindow, DrawStatus, DrawToolbar);
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IF resize THEN
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DOM.Resize(Window.width - 2 * CANVAS_LEFT - 2 * WINDOW_BEVEL - 1 - SCROLLBAR_WIDTH,
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Window.height - SkinHeight - CANVAS_TOP - WINDOW_BEVEL + 1 - STATUSBAR_HEIGHT)
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END;
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DrawWindow;
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scr_pos := sb.position;
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WHILE TRUE DO
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CASE SU.WaitForEvent() OF
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|1 : DrawWindow
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|2 :
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IF ~SU.RolledUp() THEN
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KeyDown
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ELSE
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ignore := SU.GetKey()
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END
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|3 : ButtonClick
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|6 :
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IF ~SU.RolledUp() THEN
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box_lib.scrollbar_v_mouse(sb);
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IF sb.position # scr_pos THEN
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DOM.ScrollBar;
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DOM.Draw;
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scr_pos := sb.position;
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END;
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MouseEvent
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ELSE
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ignore := SU.MouseVScroll()
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END
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END
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END
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END main;
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BEGIN
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main("FB2 Reader v0.97c")
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END FB2READ.
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