Mercurial > ~dholland > hg > ag > index.cgi

comparison anagram/vaclgui/dview.hpp @ 0:13d2b8934445

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import AnaGram (near-)release tree into Mercurial.
author David A. Holland
date Sat, 22 Dec 2007 17:52:45 -0500
parents
children
comparison
equal deleted inserted replaced
-1:000000000000 0:13d2b8934445
1 /*
2 * AnaGram, A System for Syntax Directed Programming
3 * Copyright 1997-2002 Parsifal Software. All Rights Reserved.
4 * See the file COPYING for license and usage terms.
5 *
6 * dview.hpp
7 */
8
9 #ifndef DVIEW_HPP
10 #define DVIEW_HPP
11
12 #include <icanvas.hpp>
13 #include <iclipbrd.hpp>
14 #include <icmdevt.hpp>
15 #include <icmdhdr.hpp>
16 //#include <icoordsy.hpp>
17 //#include <iexcbase.hpp>
18 //#include <ifont.hpp>
19 #include <ikeyevt.hpp>
20 #include <ikeyhdr.hpp>
21 #include <imenuevt.hpp>
22 #include <imenuhdr.hpp>
23 #include <imoushdr.hpp>
24 #include <imousevt.hpp>
25 #include <ipainevt.hpp>
26 #include <ipainhdr.hpp>
27 #include <ipopmenu.hpp>
28 //#include <irefcnt.hpp>
29 #include <iscroll.hpp>
30 #include <iscrlevt.hpp>
31 #include <iscrlhdr.hpp>
32 //#include <isizeevt.hpp>
33 #include <isizehdr.hpp>
34 //#include <istattxt.hpp>
35 #include <itimer.hpp>
36 //#include <ititle.hpp>
37
38 class AgFrame; // from frame.hpp
39 #include "agstring.h"
40 #include "agview.hpp"
41 #include "search.h"
42
43
44 class AgDataView
45 : public ICanvas
46 , public ICommandHandler
47 , public IKeyboardHandler
48 , public IMenuHandler
49 , public IMouseHandler
50 , public IPaintHandler
51 , public IResizeHandler
52 , public IScrollHandler
53 , public AgHelpHandler
54 , public AgFocusHandler
55 {
56 public:
57
58 static const int defaultWindowHeight;
59
60 class MouseDragTimer : public ITimerFn {
61 private:
62 AgDataView *window;
63 int mouseLine;
64 int topLine;
65 public:
66 MouseDragTimer(AgDataView *, int, int);
67 void timerExpired(unsigned long timerId);
68 };
69
70 // Constructor
71 AgDataView(IWindow *, WindowData *);
72 AgDataView(IWindow *ownerWindow_);
73 AgDataView &init(WindowData *);
74 AgDataView &reset();
75
76 // Destructor
77 ~AgDataView();
78
79 void disconnect();
80
81 AgAction enterAction;
82 AgDataView &setEnterAction(AgAction action) {
83 enterAction = action;
84 return *this;
85 }
86 //virtual void onEnter() {
87 // enterAction.performDeferred();
88 //}
89
90 AgAction selectAction;
91 AgDataView &setSelectAction(AgAction action) {
92 selectAction = action;
93 return *this;
94 }
95 //virtual void onSelect() {
96 // selectAction.performDeferred();
97 //}
98
99 int getCursorLine();
100 AgDataView &setCursorLine(int);
101 AgDataView &synchCursor(int);
102 void mouseDragTimerInterrupt(int &topLine, int mouseLine);
103
104 ISize suggestSize();
105
106 AgDataView &setLayoutDistorted(unsigned long, unsigned long);
107
108 AgDataView &layout();
109 int tableWidth;
110 int columnHeadWidth;
111 AgDataView &adjustMaxWidth(AgString);
112 AgDataView &setColumnTitles(AgString title);
113 AgColumnHead columnHeadTitle;
114 AgStaticText dataArea;
115
116 int lineHeight() const {
117 return font().externalLeading() + font().maxSize().height();
118 }
119 int charWidth() const { return font().maxSize().width(); }
120 int avgCharWidth() const { return font().avgCharWidth(); }
121 int maxDescender() const { return font().maxDescender(); }
122
123 AgDataView &repaintLine(int);
124
125 SearchProcess searchProcess;
126 Boolean findNext(AgString);
127 Boolean findPrev(AgString);
128 AgDataView &copyTo(IClipboard &c);
129 virtual void showHelp();
130
131 protected:
132
133 // Layout functions
134 AgDataView &doLayout();
135 Boolean windowResize(IResizeEvent &);
136 ISize calcMinimumSize() const;
137 AgDataView &repositionWindow();
138 int findMaxWidth(void);
139
140
141 // Handler functions
142
143 // Command Handler
144 Boolean command(ICommandEvent &event);
145
146 // Keyboard handler
147 Boolean virtualKeyPress(IKeyboardEvent &);
148 Boolean key(IKeyboardEvent &);
149
150 // Menu handler
151 Boolean makePopUpMenu(IMenuEvent &event);
152
153 IPopUpMenu popUpMenu;
154 AgArray<AgMenuItem> auxMenu;
155 Boolean menuEnded(IMenuEvent &);
156 AgDataView &initPopUp();
157 AgDataView &validatePopUp();
158
159 virtual Boolean showHelp(IEvent &event);
160
161 virtual ColorSpec *getLineColor(int);
162
163 // Mouse handler
164 Boolean mouseClicked(IMouseClickEvent &event);
165 Boolean mouseMoved(IMouseEvent &event);
166 void dragMouse(int topLine, int mouseLine);
167
168 Boolean gotFocus(IEvent &);
169 Boolean lostFocus(IEvent &);
170
171 Boolean mouseDown;
172 int mouseDownCursorLine;
173 ITimer mouseTimer;
174
175
176 // Paint handler
177 Boolean paintWindow(IPaintEvent &);
178
179 // Scroll handler
180 Boolean lineDown(IScrollEvent &);
181 Boolean lineLeft(IScrollEvent &);
182 Boolean lineRight(IScrollEvent &);
183 Boolean lineUp(IScrollEvent &);
184 Boolean pageDown(IScrollEvent &);
185 Boolean pageLeft(IScrollEvent &);
186 Boolean pageRight(IScrollEvent &);
187 Boolean pageUp(IScrollEvent &);
188 Boolean scrollBoxTrack(IScrollEvent &);
189 Boolean scrollBoxTrackEnd(IScrollEvent &event);
190 /*
191 virtual Boolean scrollBoxTrackEnd(IScrollEvent &event) {
192 return scrollBoxTrack(event);
193 }
194 */
195
196 public:
197 // child windows
198 IScrollBar horizontalScrollBar;
199 IScrollBar verticalScrollBar;
200
201 AgDataView &setFrame(AgFrame *f) {frameWindow = f; return *this;}
202
203 // window parameters
204 AgString copyTitle;
205 int windowId;
206 IWindow *ownerWindow;
207 AgFrame *frameWindow;
208 WindowData *windowData;
209 ColorSpec *color;
210 ColorSpec *cursorColor;
211 AgNotificationAction<AgDataView> dataColorChange;
212 AgNotificationAction<AgDataView> fontChange;
213 void onColorChange() { refresh(); }
214 void onFontChange();
215
216 int *tabArray;
217 int popUpInitialized;
218 char *helpTopic;
219
220 // layout state
221 Boolean vsbShowing;
222 Boolean hsbShowing;
223 int columnHeadsPresent;
224 int tableHeight;
225 int verticalLineCount;
226
227 // window state
228 int cursorLine;
229 int prevHorizontal;
230 int prevVertical;
231 int rightButtonDown;
232
233 enum ButtonState { buttonIdle, buttonDown, waitingForClick };
234 ButtonState rightButtonState;
235
236 private:
237 int layoutActive;
238 int layoutComplete;
239 };
240
241 inline int AgDataView::getCursorLine() { return cursorLine; }
242
243 void logFont(IFont activeFont);
244 void logFont(IFont activeFont, char *p);
245
246
247 #endif /* DVIEW_HPP */