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| author | Constantin Kaplinsky <const@tightvnc.com> | 2006-05-25 05:04:46 +0000 |
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| committer | Constantin Kaplinsky <const@tightvnc.com> | 2006-05-25 05:04:46 +0000 |
| commit | b30ae7facbdf8273f34f5d67d3d2e9c81db75576 (patch) | |
| tree | 5091b0a7b991672b19c17b86b263e5ff4f173a3e /unix/tx/TXMenu.cxx | |
| parent | a2adc8d4cfdf7336ce9192414c5e775224742a97 (diff) | |
| download | tigervnc-b30ae7facbdf8273f34f5d67d3d2e9c81db75576.tar.gz tigervnc-b30ae7facbdf8273f34f5d67d3d2e9c81db75576.zip | |
Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@590 3789f03b-4d11-0410-bbf8-ca57d06f2519
Diffstat (limited to 'unix/tx/TXMenu.cxx')
| -rw-r--r-- | unix/tx/TXMenu.cxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/unix/tx/TXMenu.cxx b/unix/tx/TXMenu.cxx new file mode 100644 index 00000000..92712f55 --- /dev/null +++ b/unix/tx/TXMenu.cxx @@ -0,0 +1,186 @@ +/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved. + * + * This 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 2 of the License, or + * (at your option) any later version. + * + * This software 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 this software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ +// +// TXMenu.cxx +// + +#include "TXMenu.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <rfb/util.h> +#include <X11/keysym.h> + +TXMenu::TXMenu(Display* dpy_, TXMenuCallback* cb_, int w, int h, + TXWindow* parent_) + : TXWindow(dpy_, w, h, parent_), cb(cb_), nEntries(0), + highlight(-1) +{ + setEventHandler(this); + gc = XCreateGC(dpy, win(), 0, 0); + addEventMask(ExposureMask | ButtonPressMask | ButtonReleaseMask | + PointerMotionMask | EnterWindowMask | LeaveWindowMask); +} + +TXMenu::~TXMenu() +{ + XFreeGC(dpy, gc); + for (int i = 0; i < nEntries; i++) + delete [] text[i]; +} + +inline int TXMenu::entryHeight(int i) +{ + if (text[i]) + return defaultFS->ascent + defaultFS->descent + bevel*2 + yPad*2; + else + return yPad*2 + 1; +} + +void TXMenu::addEntry(const char* text_, long id_) +{ + assert(nEntries < maxEntries); + text[nEntries] = rfb::strDup(text_); + checked[nEntries] = false; + id[nEntries++] = id_; + int tw = 0; + if (text_) + tw = XTextWidth(defaultFS, text_, strlen(text_)); + int newWidth = width(); + if (tw + bevel*2 + xPad*5 + tickSize > width()) + newWidth = tw + bevel*2 + xPad*5 + tickSize; + int newHeight = 0; + for (int i = 0; i < nEntries; i++) + newHeight += entryHeight(i); + resize(newWidth, newHeight); +} + +void TXMenu::check(long id_, bool checked_) +{ + for (int i = 0; i < nEntries; i++) { + if (id[i] == id_) { + checked[i] = checked_; + break; + } + } +} + +void TXMenu::paint() +{ + int y = 0; + for (int i = 0; i < nEntries; i++) { + if (text[i]) { + if (i == highlight) + drawBevel(gc, 0, y, width(), entryHeight(i), bevel, + defaultBg, darkBg, lightBg); + else + XClearArea(dpy, win(), 0, y, width(), entryHeight(i), false); + if (checked[i]) + XCopyPlane(dpy, tick, win(), defaultGC, 0, 0, tickSize, tickSize, + bevel + xPad, + y + bevel + yPad + defaultFS->ascent - tickSize, 1); + + XDrawImageString(dpy, win(), defaultGC, bevel + xPad*2 + tickSize, + y + bevel + yPad + defaultFS->ascent, + text[i], strlen(text[i])); + } else { + XDrawLine(dpy, win(), defaultGC, bevel + xPad, y + entryHeight(i) / 2, + width() - bevel - xPad, y + entryHeight(i) / 2); + } + y += entryHeight(i); + } +} + +void TXMenu::handleEvent(TXWindow* w, XEvent* ev) +{ + switch (ev->type) { + case Expose: + paint(); + break; + + case ButtonRelease: + { + int y = ev->xmotion.y; + int entryY = 0; + for (int i = 0; i < nEntries; i++) { + if (y >= entryY && y <= entryY + entryHeight(i)) { + if (cb && text[i]) + cb->menuSelect(id[i], this); + break; + } + entryY += entryHeight(i); + } + highlight = -1; + paint(); + break; + } + + case ButtonPress: + case MotionNotify: + { + int y = ev->xmotion.y; + int entryY = 0; + for (int i = 0; i < nEntries; i++) { + if (y >= entryY && y <= entryY + entryHeight(i)) { + if (highlight != i) { + highlight = i; + paint(); + } + break; + } + entryY += entryHeight(i); + } + break; + } + + case KeyPress: + { + KeySym ks; + char str[256]; + XLookupString(&ev->xkey, str, 256, &ks, NULL); + if (ks == XK_Escape) { + highlight = -1; + unmap(); + } else if (ks == XK_Down || ks == XK_Up) { + if (nEntries < 1) break; + if (highlight < 0) + highlight = (ks == XK_Down ? nEntries-1 : 0); + int start = highlight; + int inc = (ks == XK_Down ? 1 : nEntries-1); + do { + highlight = (highlight + inc) % nEntries; + } while (highlight != start && !text[highlight]); + paint(); + } else if (ks == XK_space || ks == XK_KP_Space || + ks == XK_Return || ks == XK_KP_Enter) { + if (cb && highlight >= 0 && text[highlight]) + cb->menuSelect(id[highlight], this); + highlight = -1; + paint(); + } + break; + } + + case EnterNotify: + case LeaveNotify: + highlight = -1; + paint(); + break; + } +} |