Added wxTopLevelWindow::SetTranslucency and CanSetTranslucency, with
implementations (so far) for wxMSW and wxMac. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40112 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -86,54 +86,6 @@ static void DrawResizeHint(wxDC& dc, const wxRect& rect)
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}
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// on supported windows systems (Win2000 and greater, Mac), this function
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// will make a frame window transparent by a certain amount
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static void MakeWindowTransparent(wxWindow* wnd, int amount)
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{
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#if defined(__WXMSW__)
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// this API call is not in all SDKs, only the newer ones, so
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// we will runtime bind this
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typedef DWORD (WINAPI *PSETLAYEREDWINDOWATTR)(HWND, DWORD, BYTE, DWORD);
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static PSETLAYEREDWINDOWATTR pSetLayeredWindowAttributes = NULL;
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static HMODULE h = NULL;
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HWND hwnd = (HWND)wnd->GetHWND();
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if (!h)
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h = LoadLibrary(_T("user32"));
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if (!pSetLayeredWindowAttributes)
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{
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pSetLayeredWindowAttributes =
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(PSETLAYEREDWINDOWATTR)GetProcAddress(h,
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#ifdef __WXWINCE__
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wxT("SetLayeredWindowAttributes")
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#else
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"SetLayeredWindowAttributes"
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#endif
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);
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}
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if (pSetLayeredWindowAttributes == NULL)
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return;
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LONG exstyle = GetWindowLong(hwnd, GWL_EXSTYLE);
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if (0 == (exstyle & 0x80000) /*WS_EX_LAYERED*/)
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SetWindowLong(hwnd, GWL_EXSTYLE, exstyle | 0x80000 /*WS_EX_LAYERED*/);
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pSetLayeredWindowAttributes(hwnd, 0, (BYTE)amount, 2 /*LWA_ALPHA*/);
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#elif defined(__WXMAC__)
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WindowRef handle = GetControlOwner((OpaqueControlRef*)wnd->GetHandle());
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SetWindowAlpha(handle, float(amount)/ 255.0);
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#else
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wxUnusedVar(wnd);
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wxUnusedVar(amount);
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#endif
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}
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// CopyDocksAndPanes() - this utility function creates copies of
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// the dock and pane info. wxDockInfo's usually contain pointers
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@@ -542,6 +494,40 @@ void wxFrameManager::SetManagedWindow(wxWindow* frame)
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CenterPane().PaneBorder(false));
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}
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#endif
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// Make a window to use for a translucent hint
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#if defined(__WXMSW__)
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m_hint_wnd = new wxFrame(m_frame, -1, wxEmptyString, wxDefaultPosition, wxSize(1,1),
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wxFRAME_TOOL_WINDOW |
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wxFRAME_FLOAT_ON_PARENT |
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wxFRAME_NO_TASKBAR |
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wxNO_BORDER);
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m_hint_wnd->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_ACTIVECAPTION));
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#elif defined(__WXMAC__)
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// Using a miniframe with float and tool styles keeps the parent
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// frame activated and highlighted as such...
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m_hint_wnd = new wxMiniFrame(m_frame, -1, wxEmptyString, wxDefaultPosition, wxSize(1,1),
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wxFRAME_FLOAT_ON_PARENT
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| wxFRAME_TOOL_WINDOW
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| wxCAPTION );
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// Can't set the bg colour of a Frame in wxMac
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wxPanel* p = new wxPanel(m_hint_wnd);
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// The default wxSYS_COLOUR_ACTIVECAPTION colour is a light silver
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// color that is really hard to see, especially transparent.
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// Until a better system color is decided upon we'll just use
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// blue.
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p->SetBackgroundColour(*wxBLUE);
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#endif
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if (m_hint_wnd && !m_hint_wnd->CanSetTranslucency())
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{
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m_hint_wnd->Close();
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m_hint_wnd = NULL;
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}
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}
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@@ -1822,7 +1808,7 @@ void wxFrameManager::Update()
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// window should have this style by default
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if (m_action == actionDragFloatingPane &&
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(m_flags & wxAUI_MGR_TRANSPARENT_DRAG))
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MakeWindowTransparent(frame, 150);
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frame->SetTranslucency(150);
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frame->SetPaneWindow(p);
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p.frame = frame;
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@@ -2450,29 +2436,12 @@ void wxFrameManager::OnHintFadeTimer(wxTimerEvent& WXUNUSED(event))
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}
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m_hint_fadeamt += 5;
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MakeWindowTransparent(m_hint_wnd, m_hint_fadeamt);
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m_hint_wnd->SetTranslucency(m_hint_fadeamt);
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}
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void wxFrameManager::ShowHint(const wxRect& rect)
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{
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#if defined(__WXMSW__) || defined(__WXMAC__)
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// First, determine if the operating system can handle transparency.
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// Transparency is available on Win2000 and above
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static int os_type = -1;
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static int ver_major = -1;
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if (os_type == -1)
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os_type = ::wxGetOsVersion(&ver_major);
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// If the transparent flag is set, and the OS supports it,
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// go ahead and use a transparent hint
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if ((m_flags & wxAUI_MGR_TRANSPARENT_HINT) != 0
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#ifdef __WXMSW__
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&& os_type == wxWINDOWS_NT && ver_major >= 5
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#endif
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)
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if ((m_flags & wxAUI_MGR_TRANSPARENT_HINT) != 0 && m_hint_wnd)
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{
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if (m_last_hint == rect)
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return;
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@@ -2482,50 +2451,18 @@ void wxFrameManager::ShowHint(const wxRect& rect)
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if (m_flags & wxAUI_MGR_TRANSPARENT_HINT_FADE)
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initial_fade = 0;
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if (m_hint_wnd == NULL)
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{
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wxPoint pt = rect.GetPosition();
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wxSize size = rect.GetSize();
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#if defined(__WXMSW__)
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m_hint_wnd = new wxFrame(m_frame, -1, wxEmptyString, pt, size,
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wxFRAME_TOOL_WINDOW |
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wxFRAME_FLOAT_ON_PARENT |
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wxFRAME_NO_TASKBAR |
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wxNO_BORDER);
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MakeWindowTransparent(m_hint_wnd, initial_fade);
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m_hint_wnd->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_ACTIVECAPTION));
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#elif defined(__WXMAC__)
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// Using a miniframe with float and tool styles keeps the parent
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// frame activated and highlighted as such...
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m_hint_wnd = new wxMiniFrame(m_frame, -1, wxEmptyString, pt, size,
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wxFRAME_FLOAT_ON_PARENT
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| wxFRAME_TOOL_WINDOW
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| wxCAPTION );
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// Can't set the bg colour of a Frame in wxMac
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wxPanel* p = new wxPanel(m_hint_wnd);
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// The default wxSYS_COLOUR_ACTIVECAPTION colour is a light silver
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// color that is really hard to see, especially transparent.
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// Until a better system color is decided upon we'll just use
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// blue.
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p->SetBackgroundColour(*wxBLUE);
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#endif
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if (! m_hint_wnd->IsShown())
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m_hint_wnd->Show();
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// if we are dragging a floating pane, set the focus
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// back to that floating pane (otherwise it becomes unfocused)
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if (m_action == actionDragFloatingPane && m_action_window)
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m_action_window->SetFocus();
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// if we are dragging a floating pane, set the focus
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// back to that floating pane (otherwise it becomes unfocused)
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if (m_action == actionDragFloatingPane && m_action_window)
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m_action_window->SetFocus();
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}
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else
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{
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MakeWindowTransparent(m_hint_wnd, initial_fade);
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m_hint_wnd->SetSize(rect);
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m_hint_wnd->Raise();
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}
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m_hint_wnd->SetTranslucency(initial_fade);
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m_hint_wnd->SetSize(rect);
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m_hint_wnd->Raise();
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if (m_flags & wxAUI_MGR_TRANSPARENT_HINT_FADE)
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{
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@@ -2534,54 +2471,55 @@ void wxFrameManager::ShowHint(const wxRect& rect)
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m_hint_fadetimer.SetOwner(this, 101);
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m_hint_fadetimer.Start(5);
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}
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return;
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}
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#endif
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if (m_last_hint != rect)
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{
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// remove the last hint rectangle
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m_last_hint = rect;
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m_frame->Refresh();
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m_frame->Update();
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}
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wxScreenDC screendc;
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wxRegion clip(1, 1, 10000, 10000);
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// clip all floating windows, so we don't draw over them
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int i, pane_count;
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for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
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else // Not using a translucent hint window...
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{
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wxPaneInfo& pane = m_panes.Item(i);
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if (pane.IsFloating() &&
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pane.frame->IsShown())
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if (m_last_hint != rect)
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{
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wxRect rect = pane.frame->GetRect();
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#ifdef __WXGTK__
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// wxGTK returns the client size, not the whole frame size
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rect.width += 15;
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rect.height += 35;
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rect.Inflate(5);
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#endif
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clip.Subtract(rect);
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// remove the last hint rectangle
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m_last_hint = rect;
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m_frame->Refresh();
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m_frame->Update();
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}
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wxScreenDC screendc;
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wxRegion clip(1, 1, 10000, 10000);
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// clip all floating windows, so we don't draw over them
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int i, pane_count;
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for (i = 0, pane_count = m_panes.GetCount(); i < pane_count; ++i)
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{
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wxPaneInfo& pane = m_panes.Item(i);
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if (pane.IsFloating() &&
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pane.frame->IsShown())
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{
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wxRect rect = pane.frame->GetRect();
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#ifdef __WXGTK__
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// wxGTK returns the client size, not the whole frame size
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rect.width += 15;
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rect.height += 35;
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rect.Inflate(5);
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#endif
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clip.Subtract(rect);
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}
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}
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screendc.SetClippingRegion(clip);
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wxBitmap stipple = wxPaneCreateStippleBitmap();
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wxBrush brush(stipple);
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screendc.SetBrush(brush);
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screendc.SetPen(*wxTRANSPARENT_PEN);
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screendc.DrawRectangle(rect.x, rect.y, 5, rect.height);
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screendc.DrawRectangle(rect.x+5, rect.y, rect.width-10, 5);
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screendc.DrawRectangle(rect.x+rect.width-5, rect.y, 5, rect.height);
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screendc.DrawRectangle(rect.x+5, rect.y+rect.height-5, rect.width-10, 5);
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}
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screendc.SetClippingRegion(clip);
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wxBitmap stipple = wxPaneCreateStippleBitmap();
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wxBrush brush(stipple);
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screendc.SetBrush(brush);
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screendc.SetPen(*wxTRANSPARENT_PEN);
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screendc.DrawRectangle(rect.x, rect.y, 5, rect.height);
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screendc.DrawRectangle(rect.x+5, rect.y, rect.width-10, 5);
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screendc.DrawRectangle(rect.x+rect.width-5, rect.y, 5, rect.height);
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screendc.DrawRectangle(rect.x+5, rect.y+rect.height-5, rect.width-10, 5);
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}
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void wxFrameManager::HideHint()
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@@ -2589,7 +2527,7 @@ void wxFrameManager::HideHint()
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// hides a transparent window hint, if there is one
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if (m_hint_wnd)
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{
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MakeWindowTransparent(m_hint_wnd, 0);
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m_hint_wnd->SetTranslucency(0);
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m_hint_fadetimer.Stop();
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m_last_hint = wxRect();
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return;
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@@ -2696,7 +2634,7 @@ void wxFrameManager::OnFloatingPaneMoveStart(wxWindow* wnd)
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wxASSERT_MSG(pane.IsOk(), wxT("Pane window not found"));
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if (m_flags & wxAUI_MGR_TRANSPARENT_DRAG)
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MakeWindowTransparent(pane.frame, 150);
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pane.frame->SetTranslucency(150);
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}
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void wxFrameManager::OnFloatingPaneMoving(wxWindow* wnd)
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@@ -2782,16 +2720,12 @@ void wxFrameManager::OnFloatingPaneMoved(wxWindow* wnd)
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// if a key modifier is pressed while dragging the frame,
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// don't dock the window
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if (wxGetKeyState(WXK_CONTROL) || wxGetKeyState(WXK_ALT))
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if (!wxGetKeyState(WXK_CONTROL) && !wxGetKeyState(WXK_ALT))
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{
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HideHint();
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return;
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// do the drop calculation
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DoDrop(m_docks, m_panes, pane, client_pt, action_offset);
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}
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// do the drop calculation
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DoDrop(m_docks, m_panes, pane, client_pt, action_offset);
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// if the pane is still floating, update it's floating
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// position (that we store)
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if (pane.IsFloating())
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@@ -2799,7 +2733,7 @@ void wxFrameManager::OnFloatingPaneMoved(wxWindow* wnd)
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pane.floating_pos = pane.frame->GetPosition();
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if (m_flags & wxAUI_MGR_TRANSPARENT_DRAG)
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MakeWindowTransparent(pane.frame, 255);
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pane.frame->SetTranslucency(255);
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}
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Update();
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