mirror of
https://github.com/TigerVNC/tigervnc.git
synced 2024-08-21 17:54:34 +02:00
![Constantin Kaplinsky](/assets/img/avatar_default.png)
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2 3789f03b-4d11-0410-bbf8-ca57d06f2519
187 lines
4.9 KiB
C++
187 lines
4.9 KiB
C++
/* Copyright (C) 2002-2003 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;
|
|
}
|
|
}
|