233 lines
6.8 KiB
C++
233 lines
6.8 KiB
C++
/*
|
|
* Copyright 2010, Andrea Anzani. All rights reserved.
|
|
* Distributed under the terms of the MIT License.
|
|
*
|
|
* Authors:
|
|
* Andrea Anzani, andrea.anzani@gmail.com
|
|
*/
|
|
|
|
#include "ReflowingTextView.h"
|
|
|
|
const bigtime_t RTV_HIDE_DELAY = 1500000;
|
|
const bigtime_t RTV_SHOW_DELAY = 750000;
|
|
|
|
enum {
|
|
RTV_SHOW_TOOLTIP = 0x1000,
|
|
RTV_HIDE_TOOLTIP
|
|
};
|
|
|
|
ReflowingTextView::ReflowingTextView(BRect frame, const char* name, BRect textRect, uint32 resizeMask, uint32 flags) : BTextView(frame, name, textRect, resizeMask, flags), _showTipRunner(NULL), _canShow(false), _urlTip(NULL), _currentLinkStart(-1)
|
|
{
|
|
// empty
|
|
}
|
|
|
|
ReflowingTextView::~ReflowingTextView()
|
|
{
|
|
if ((_urlTip) && (_urlTip->Lock())) _urlTip->Quit();
|
|
delete _showTipRunner;
|
|
}
|
|
|
|
void ReflowingTextView::AttachedToWindow()
|
|
{
|
|
BTextView::AttachedToWindow();
|
|
// FixTextRect();
|
|
}
|
|
|
|
void ReflowingTextView::FrameResized(float w, float h)
|
|
{
|
|
BTextView::FrameResized(w, h);
|
|
// FixTextRect();
|
|
}
|
|
|
|
void ReflowingTextView::MouseMoved(BPoint where, uint32 code, const BMessage* msg)
|
|
{
|
|
const URLLink* link = NULL;
|
|
if (code == B_INSIDE_VIEW) {
|
|
link = GetURLAt(where);
|
|
#ifdef B_BEOS_VERSION_5
|
|
SetViewCursor((link != NULL) ? B_CURSOR_SYSTEM_DEFAULT : B_CURSOR_I_BEAM);
|
|
#else
|
|
be_app->SetCursor((link != NULL) ? B_HAND_CURSOR : B_I_BEAM_CURSOR);
|
|
#endif
|
|
}
|
|
|
|
BString scratch;
|
|
const BString* urlString = link ? &link->GetURL() : &scratch;
|
|
if ((link) && (urlString->Length() == 0)) {
|
|
char* buf = new char[link->GetLength()+1];
|
|
GetText(link->GetStart(), link->GetLength(), buf);
|
|
buf[link->GetLength()] = '\0';
|
|
scratch = buf;
|
|
delete [] buf;
|
|
urlString = &scratch;
|
|
}
|
|
|
|
int32 linkStart = link ? (int32)link->GetStart() : -1;
|
|
if (linkStart != _currentLinkStart) {
|
|
_currentLinkStart = linkStart;
|
|
_currentURLString = *urlString;
|
|
if (linkStart >= 0) {
|
|
if ((_canShow == false) && ((_showTipRunner == NULL) || (_runnerWillHide))) {
|
|
// Schedule unsetting the show flag
|
|
delete _showTipRunner;
|
|
_runnerWillHide = false;
|
|
_showTipRunner = new BMessageRunner(this, new BMessage(RTV_SHOW_TOOLTIP), RTV_SHOW_DELAY, 1);
|
|
}
|
|
} else {
|
|
if (_canShow) {
|
|
// schedule a delayed show
|
|
delete _showTipRunner;
|
|
_runnerWillHide = true;
|
|
_showTipRunner = new BMessageRunner(this, new BMessage(RTV_HIDE_TOOLTIP), RTV_HIDE_DELAY, 1);
|
|
} else if ((_showTipRunner) && (_runnerWillHide == false)) {
|
|
delete _showTipRunner; // cancel the pending show!
|
|
_showTipRunner = NULL;
|
|
}
|
|
}
|
|
UpdateToolTip();
|
|
}
|
|
BTextView::MouseMoved(where, code, msg);
|
|
}
|
|
|
|
void ReflowingTextView::MessageReceived(BMessage* msg)
|
|
{
|
|
switch (msg->what) {
|
|
case RTV_SHOW_TOOLTIP:
|
|
delete _showTipRunner;
|
|
_showTipRunner = NULL;
|
|
_canShow = true;
|
|
UpdateToolTip();
|
|
break;
|
|
|
|
case RTV_HIDE_TOOLTIP:
|
|
delete _showTipRunner;
|
|
_showTipRunner = NULL;
|
|
_canShow = false;
|
|
UpdateToolTip();
|
|
break;
|
|
|
|
default:
|
|
BTextView::MessageReceived(msg);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ReflowingTextView::UpdateToolTip()
|
|
{
|
|
if ((_canShow) && (_currentLinkStart >= 0)) {
|
|
if (_urlTip == NULL) {
|
|
_urlTip = new BWindow(BRect(0, 0, 5, 5), NULL, B_NO_BORDER_WINDOW_LOOK, B_FLOATING_ALL_WINDOW_FEEL, B_NOT_MOVABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE | B_NOT_MINIMIZABLE | B_AVOID_FOCUS);
|
|
BView* blackBorder = new BView(_urlTip->Bounds(), NULL, B_FOLLOW_ALL_SIDES, 0);
|
|
const rgb_color black = {0, 0, 0, 255};
|
|
blackBorder->SetViewColor(black);
|
|
_urlTip->AddChild(blackBorder);
|
|
|
|
const rgb_color hiliteYellow = {255, 255, 200, 255};
|
|
BRect inset = blackBorder->Bounds();
|
|
inset.InsetBy(1, 1);
|
|
BView* yellowInterior = new BView(inset, NULL, B_FOLLOW_ALL_SIDES, 0);
|
|
yellowInterior->SetLowColor(hiliteYellow);
|
|
yellowInterior->SetViewColor(hiliteYellow);
|
|
blackBorder->AddChild(yellowInterior);
|
|
|
|
_urlStringView = new BStringView(yellowInterior->Bounds(), NULL, "", B_FOLLOW_ALL_SIDES);
|
|
_urlStringView->SetLowColor(hiliteYellow);
|
|
_urlStringView->SetViewColor(hiliteYellow);
|
|
yellowInterior->AddChild(_urlStringView);
|
|
}
|
|
if (_urlTip->Lock()) {
|
|
font_height ttfh;
|
|
_urlStringView->GetFontHeight(&ttfh);
|
|
float urlHeight = 20.0f;
|
|
BPoint pt = PointAt(_currentLinkStart, &urlHeight);
|
|
_urlTip->MoveTo(ConvertToScreen(pt) + BPoint(15.0f, -(ttfh.ascent + ttfh.descent + 3.0f)));
|
|
|
|
_urlTip->ResizeTo(muscleMin(_urlStringView->StringWidth(_currentURLString.String()) + 4.0f, 400.0f), ttfh.ascent + ttfh.descent + 2.0f);
|
|
_urlStringView->SetText(_currentURLString.String());
|
|
_urlTip->SetWorkspaces(B_CURRENT_WORKSPACE);
|
|
if (_urlTip->IsHidden()) _urlTip->Show();
|
|
_urlTip->Unlock();
|
|
}
|
|
} else if (_urlTip) {
|
|
if (_urlTip->Lock()) {
|
|
if (_urlTip->IsHidden() == false) _urlTip->Hide();
|
|
_urlTip->Unlock();
|
|
}
|
|
}
|
|
}
|
|
|
|
void ReflowingTextView::MouseDown(BPoint where)
|
|
{
|
|
if (IsFocus() == false) MakeFocus();
|
|
const URLLink* url = GetURLAt(where);
|
|
if (url) {
|
|
char* allocBuf = NULL;
|
|
const char* buf = url->GetURL().String();
|
|
if (buf[0] == '\0') {
|
|
buf = allocBuf = new char[url->GetLength()+1];
|
|
GetText(url->GetStart(), url->GetLength(), allocBuf);
|
|
allocBuf[url->GetLength()] = '\0';
|
|
}
|
|
|
|
if (strncasecmp(buf, "beshare://", 10) == 0) {
|
|
char* argv[] = {(char*) &buf[10]};
|
|
// be_roster->Launch(BESHARE_MIME_TYPE, ARRAYITEMS(argv), argv);
|
|
} else if (strncasecmp(buf, "beshare:", 8) == 0) {
|
|
BMessage msg(_queryMessage);
|
|
msg.AddString("query", &buf[8]);
|
|
_commandTarget.SendMessage(&msg);
|
|
} else if (strncasecmp(buf, "share:", 6) == 0) {
|
|
BMessage msg(_queryMessage);
|
|
msg.AddString("query", &buf[6]);
|
|
_commandTarget.SendMessage(&msg);
|
|
} else if (strncasecmp(buf, "priv:", 5) == 0) {
|
|
BMessage msg(_privMessage);
|
|
msg.AddString("users", &buf[5]);
|
|
_commandTarget.SendMessage(&msg);
|
|
} else if (strncasecmp(buf, "audio://", 8) == 0) {
|
|
BMessage msg(B_REFS_RECEIVED);
|
|
BString temp("http://");
|
|
temp += &buf[8];
|
|
msg.AddString("be:url", temp);
|
|
be_roster->Launch("audio/x-scpls", &msg);
|
|
} else be_roster->Launch(strncasecmp(buf, "mailto:", 7) ? "text/html" : "text/x-email", 1, const_cast<char**>(&buf));
|
|
|
|
delete [] allocBuf;
|
|
}
|
|
BTextView::MouseDown(where);
|
|
}
|
|
|
|
void ReflowingTextView::FixTextRect()
|
|
{
|
|
BRect t(Frame());
|
|
SetTextRect(t);
|
|
}
|
|
|
|
void ReflowingTextView::Clear()
|
|
{
|
|
Delete(0, TextLength() - 1);
|
|
_urls.Clear();
|
|
}
|
|
|
|
void ReflowingTextView::AddURLRegion(uint32 start, uint32 len, const BString& optHiddenURL)
|
|
{
|
|
_urls.AddTail(URLLink(start, len, optHiddenURL));
|
|
}
|
|
|
|
void ReflowingTextView::SetCommandURLTarget(const BMessenger& target, const BMessage& queryMsg, const BMessage& privMsg)
|
|
{
|
|
_commandTarget = target;
|
|
_queryMessage = queryMsg;
|
|
_privMessage = privMsg;
|
|
}
|
|
|
|
const ReflowingTextView::URLLink* ReflowingTextView::GetURLAt(BPoint pt) const
|
|
{
|
|
uint32 offset = (uint32) OffsetAt(pt);
|
|
for (int i = _urls.GetNumItems() - 1; i >= 0; i--) {
|
|
const URLLink& url = _urls[i];
|
|
if ((offset >= url.GetStart()) && (offset < url.GetStart() + url.GetLength())) return &url;
|
|
}
|
|
return NULL;
|
|
}
|