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native wxHyperlinkCtrl implementation for GTK+ 2.10+ (patch 1661851)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44647 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-03-07 22:12:47 +00:00
parent a48b659563
commit c105dda081
15 changed files with 974 additions and 367 deletions
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269
src/generic/hyperlinkg.cpp Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: src/generic/hyperlinkg.cpp
// Purpose: Hyperlink control
// Author: David Norris <danorris@gmail.com>, Otto Wyss
// Modified by: Ryan Norton, Francesco Montorsi
// Created: 04/02/2005
// RCS-ID: $Id$
// Copyright: (c) 2005 David Norris
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
//---------------------------------------------------------------------------
// Pre-compiled header stuff
//---------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_HYPERLINKCTRL
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "wx/hyperlink.h"
#ifndef WX_PRECOMP
#include "wx/utils.h" // for wxLaunchDefaultBrowser
#include "wx/dcclient.h"
#include "wx/menu.h"
#include "wx/log.h"
#include "wx/dataobj.h"
#endif
#include "wx/clipbrd.h"
// ============================================================================
// implementation
// ============================================================================
IMPLEMENT_DYNAMIC_CLASS(wxGenericHyperlinkCtrl, wxControl)
// reserved for internal use only
#define wxHYPERLINK_POPUP_COPY_ID 16384
// ----------------------------------------------------------------------------
// wxGenericHyperlinkCtrl
// ----------------------------------------------------------------------------
bool wxGenericHyperlinkCtrl::Create(wxWindow *parent, wxWindowID id,
const wxString& label, const wxString& url, const wxPoint& pos,
const wxSize& size, long style, const wxString& name)
{
// do validation checks:
CheckParams(label, url, style);
if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
return false;
// set to non empty strings both the url and the label
SetURL(url.empty() ? label : url);
SetLabel(label.empty() ? url : label);
m_rollover = false;
m_clicking = false;
m_visited = false;
// colours
m_normalColour = *wxBLUE;
m_hoverColour = *wxRED;
SetForegroundColour(m_normalColour);
// by default the font of an hyperlink control is underlined
wxFont f = GetFont();
f.SetUnderlined(true);
SetFont(f);
SetInitialSize(size);
// connect our event handlers:
// NOTE: since this class is the base class of the GTK+'s native implementation
// of wxHyperlinkCtrl, we cannot use the static macros in BEGIN/END_EVENT_TABLE
// blocks, otherwise the GTK+'s native impl of wxHyperlinkCtrl would not
// behave correctly (as we intercept events doing things which interfere
// with GTK+'s native handling):
Connect( wxEVT_PAINT, wxPaintEventHandler(wxGenericHyperlinkCtrl::OnPaint) );
Connect( wxEVT_SIZE, wxSizeEventHandler(wxGenericHyperlinkCtrl::OnSize) );
Connect( wxEVT_LEAVE_WINDOW, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnLeaveWindow) );
Connect( wxEVT_LEFT_DOWN, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnLeftDown) );
Connect( wxEVT_LEFT_UP, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnLeftUp) );
Connect( wxEVT_RIGHT_UP, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnRightUp) );
Connect( wxEVT_MOTION, wxMouseEventHandler(wxGenericHyperlinkCtrl::OnMotion) );
Connect( wxHYPERLINK_POPUP_COPY_ID, wxEVT_COMMAND_MENU_SELECTED,
wxCommandEventHandler(wxGenericHyperlinkCtrl::OnPopUpCopy) );
return true;
}
wxSize wxGenericHyperlinkCtrl::DoGetBestSize() const
{
int w, h;
wxClientDC dc((wxWindow *)this);
dc.SetFont(GetFont());
dc.GetTextExtent(GetLabel(), &w, &h);
wxSize best(w, h);
CacheBestSize(best);
return best;
}
void wxGenericHyperlinkCtrl::SetNormalColour(const wxColour &colour)
{
m_normalColour = colour;
if (!m_visited)
{
SetForegroundColour(m_normalColour);
Refresh();
}
}
void wxGenericHyperlinkCtrl::SetVisitedColour(const wxColour &colour)
{
m_visitedColour = colour;
if (m_visited)
{
SetForegroundColour(m_visitedColour);
Refresh();
}
}
void wxGenericHyperlinkCtrl::DoContextMenu(const wxPoint &pos)
{
wxMenu *menuPopUp = new wxMenu(wxEmptyString, wxMENU_TEAROFF);
menuPopUp->Append(wxHYPERLINK_POPUP_COPY_ID, wxT("Copy URL"));
PopupMenu( menuPopUp, pos );
delete menuPopUp;
}
wxRect wxGenericHyperlinkCtrl::GetLabelRect() const
{
// our best size is always the size of the label without borders
wxSize c(GetClientSize()), b(GetBestSize());
wxPoint offset;
// the label is always centered vertically
offset.y = (c.GetHeight()-b.GetHeight())/2;
if (HasFlag(wxHL_ALIGN_CENTRE))
offset.x = (c.GetWidth()-b.GetWidth())/2;
else if (HasFlag(wxHL_ALIGN_RIGHT))
offset.x = c.GetWidth()-b.GetWidth();
else if (HasFlag(wxHL_ALIGN_LEFT))
offset.x = 0;
return wxRect(offset, b);
}
// ----------------------------------------------------------------------------
// wxGenericHyperlinkCtrl - event handlers
// ----------------------------------------------------------------------------
void wxGenericHyperlinkCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
dc.SetFont(GetFont());
dc.SetTextForeground(GetForegroundColour());
dc.SetTextBackground(GetBackgroundColour());
dc.DrawText(GetLabel(), GetLabelRect().GetTopLeft());
}
void wxGenericHyperlinkCtrl::OnLeftDown(wxMouseEvent& event)
{
// the left click must start from the hyperlink rect
m_clicking = GetLabelRect().Contains(event.GetPosition());
}
void wxGenericHyperlinkCtrl::OnLeftUp(wxMouseEvent& event)
{
// the click must be started and ended in the hyperlink rect
if (!m_clicking || !GetLabelRect().Contains(event.GetPosition()))
return;
SetForegroundColour(m_visitedColour);
m_visited = true;
m_clicking = false;
// send the event
SendEvent();
}
void wxGenericHyperlinkCtrl::OnRightUp(wxMouseEvent& event)
{
if( GetWindowStyle() & wxHL_CONTEXTMENU )
if ( GetLabelRect().Contains(event.GetPosition()) )
DoContextMenu(wxPoint(event.m_x, event.m_y));
}
void wxGenericHyperlinkCtrl::OnMotion(wxMouseEvent& event)
{
wxRect textrc = GetLabelRect();
if (textrc.Contains(event.GetPosition()))
{
SetCursor(wxCursor(wxCURSOR_HAND));
SetForegroundColour(m_hoverColour);
m_rollover = true;
Refresh();
}
else if (m_rollover)
{
SetCursor(*wxSTANDARD_CURSOR);
SetForegroundColour(!m_visited ? m_normalColour : m_visitedColour);
m_rollover = false;
Refresh();
}
}
void wxGenericHyperlinkCtrl::OnLeaveWindow(wxMouseEvent& WXUNUSED(event) )
{
// NB: when the label rect and the client size rect have the same
// height this function is indispensable to remove the "rollover"
// effect as the OnMotion() event handler could not be called
// in that case moving the mouse out of the label vertically...
if (m_rollover)
{
SetCursor(*wxSTANDARD_CURSOR);
SetForegroundColour(!m_visited ? m_normalColour : m_visitedColour);
m_rollover = false;
Refresh();
}
}
void wxGenericHyperlinkCtrl::OnPopUpCopy( wxCommandEvent& WXUNUSED(event) )
{
#if wxUSE_CLIPBOARD
if (!wxTheClipboard->Open())
return;
wxTextDataObject *data = new wxTextDataObject( m_url );
wxTheClipboard->SetData( data );
wxTheClipboard->Close();
#endif // wxUSE_CLIPBOARD
}
void wxGenericHyperlinkCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
{
// update the position of the label in the screen respecting
// the selected align flag
Refresh();
}
#endif // wxUSE_HYPERLINKCTRL