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// *****************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 *
// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
// *****************************************************************************
#include "tooltip.h"
#include <wx/dialog.h>
#include <wx/stattext.h>
#include <wx/sizer.h>
#include <wx/statbmp.h>
#include <wx/settings.h>
#include <wx/app.h>
#include <wx+/image_tools.h>
using namespace zen;
class Tooltip::TooltipDlgGenerated : public wxDialog
{
public:
TooltipDlgGenerated(wxWindow* parent,
wxWindowID id = wxID_ANY,
const wxString& title = {},
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0) : wxDialog(parent, id, title, pos, size, style)
{
//Suse Linux/X11: needs parent window, else there are z-order issues
this->SetSizeHints(wxDefaultSize, wxDefaultSize);
this->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_INFOBK)); //both required: on Ubuntu background is black, foreground white!
this->SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_INFOTEXT)); //
wxBoxSizer* bSizer158 = new wxBoxSizer(wxHORIZONTAL);
bitmapLeft_ = new wxStaticBitmap(this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxDefaultSize, 0);
bSizer158->Add(bitmapLeft_, 0, wxALL | wxALIGN_CENTER_VERTICAL, 5);
staticTextMain_ = new wxStaticText(this, wxID_ANY, wxString(), wxDefaultPosition, wxDefaultSize, 0);
bSizer158->Add(staticTextMain_, 0, wxALL | wxALIGN_CENTER_HORIZONTAL | wxALIGN_CENTER_VERTICAL, 5);
this->SetSizer(bSizer158);
this->Layout();
bSizer158->Fit(this);
#ifdef ZEN_WIN //prevent window from stealing focus!
Disable(); //= dark/grey text and image on Linux; no visible difference on OS X
#endif
}
wxStaticText* staticTextMain_;
wxStaticBitmap* bitmapLeft_;
};
void Tooltip::show(const wxString& text, wxPoint mousePos, const wxBitmap* bmp)
{
if (!tipWindow_)
tipWindow_ = new TooltipDlgGenerated(&parent_); //ownership passed to parent
const wxBitmap& newBmp = bmp ? *bmp : wxNullBitmap;
if (!isEqual(tipWindow_->bitmapLeft_->GetBitmap(), newBmp))
{
tipWindow_->bitmapLeft_->SetBitmap(newBmp);
tipWindow_->Refresh(); //needed if bitmap size changed!
}
if (text != tipWindow_->staticTextMain_->GetLabel())
{
tipWindow_->staticTextMain_->SetLabel(text);
tipWindow_->staticTextMain_->Wrap(600);
}
tipWindow_->GetSizer()->SetSizeHints(tipWindow_); //~=Fit() + SetMinSize()
//Linux: Fit() seems to be broken => this needs to be called EVERY time inside show, not only if text or bmp change
const wxPoint newPos = wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ?
mousePos - wxPoint(30 + tipWindow_->GetSize().GetWidth(), 0) :
mousePos + wxPoint(30, 0);
if (newPos != tipWindow_->GetScreenPosition())
tipWindow_->SetSize(newPos.x, newPos.y, wxDefaultCoord, wxDefaultCoord);
//attention!!! possible endless loop: mouse pointer must NOT be within tipWindow!
//else it will trigger a wxEVT_LEAVE_WINDOW on middle grid which will hide the window, causing the window to be shown again via this method, etc.
if (!tipWindow_->IsShown())
tipWindow_->Show();
}
void Tooltip::hide()
{
if (tipWindow_)
{
#ifdef ZEN_LINUX
//on wxGTK the tooltip is sometimes not shown again after it was hidden: e.g. drag-selection on middle grid
tipWindow_->Destroy(); //apply brute force:
tipWindow_ = nullptr; //
#else
tipWindow_->Hide();
#endif
}
}
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