Fixed compile errors, warnings and other DSMs, and improved comments.

[wxWidgets.git] / src / univ / topluniv.cpp

diff --git a/src/univ/topluniv.cpp b/src/univ/topluniv.cpp
index d948509858e9debee442dd29edf580f554489994..556873599f2059cc1d89d60f9af98bd862ebba2d 100644 (file)
--- a/src/univ/topluniv.cpp
+++ b/src/univ/topluniv.cpp
@@ -26,38 +26,84 @@
 #endif
 
 #include "wx/defs.h"
 #endif
 
 #include "wx/defs.h"

+
+#ifndef WX_PRECOMP
+    #include "wx/dcclient.h"
+    #include "wx/settings.h"
+#endif
+

 #include "wx/toplevel.h"
 #include "wx/toplevel.h"

+#include "wx/univ/renderer.h"
+#include "wx/bitmap.h"
+#include "wx/image.h"
+#include "wx/cshelp.h"

 
 
 // ----------------------------------------------------------------------------
 // event tables
 // ----------------------------------------------------------------------------
 
 
 
 // ----------------------------------------------------------------------------
 // event tables
 // ----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxTopLevelWindow, wxWindow)
+BEGIN_EVENT_TABLE(wxTopLevelWindow, wxTopLevelWindowNative)
+    WX_EVENT_TABLE_INPUT_CONSUMER(wxTopLevelWindow)
+    EVT_NC_PAINT(wxTopLevelWindow::OnNcPaint)
+END_EVENT_TABLE()

 
 

+WX_FORWARD_TO_INPUT_CONSUMER(wxTopLevelWindow)

 
 // ============================================================================
 // implementation
 // ============================================================================
 
 
 // ============================================================================
 // implementation
 // ============================================================================
 

+int wxTopLevelWindow::ms_drawDecorations = -1;
+

 void wxTopLevelWindow::Init()
 {
 void wxTopLevelWindow::Init()
 {

+    m_isActive = FALSE;
+    m_windowStyle = 0;
+    m_pressedButton = 0;

 }
 
 bool wxTopLevelWindow::Create(wxWindow *parent,
                               wxWindowID id,
                               const wxString& title,
                               const wxPoint& pos,
 }
 
 bool wxTopLevelWindow::Create(wxWindow *parent,
                               wxWindowID id,
                               const wxString& title,
                               const wxPoint& pos,

-                              const wxSize& sizeOrig,
+                              const wxSize& size,

                               long style,
                               const wxString &name)
 {
                               long style,
                               const wxString &name)
 {

-    if ( !wxTopLevelWindowNative::Create(parent, id, title, pos, 
-                                         sizeOrig, style, name) )
+    // init them to avoid compiler warnings
+    long styleOrig = 0,
+         exstyleOrig = 0;
+
+    if ( ms_drawDecorations == -1 )
+        ms_drawDecorations = !wxSystemSettings::HasFrameDecorations() ||
+                             wxGetEnv(wxT("WXDECOR"), NULL);
+        // FIXME -- wxUniv should provide a way to force non-native decorations!
+        //          $WXDECOR is just a hack in absence of better wxUniv solution
+
+    if ( ms_drawDecorations )
+    {
+        CreateInputHandler(wxINP_HANDLER_TOPLEVEL);
+
+        styleOrig = style;
+        exstyleOrig = GetExtraStyle();
+        style &= ~(wxCAPTION | wxMINIMIZE_BOX | wxMAXIMIZE_BOX |
+                   wxSYSTEM_MENU | wxRESIZE_BORDER | wxFRAME_TOOL_WINDOW |
+                   wxTHICK_FRAME);
+        style = wxSIMPLE_BORDER;
+        SetExtraStyle(exstyleOrig &
+                      ~(wxFRAME_EX_CONTEXTHELP | wxDIALOG_EX_CONTEXTHELP));
+    }
+
+    if ( !wxTopLevelWindowNative::Create(parent, id, title, pos,
+                                         size, style, name) )

         return FALSE;
         return FALSE;

-        
-    // FIXME_MGL -- this is temporary; we assume for now that native TLW
-    //              can do decorations, which is not true for MGL
+
+    if ( ms_drawDecorations )
+    {
+        m_windowStyle = styleOrig;
+        m_exStyle = exstyleOrig;
+    }

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -65,10 +111,442 @@ bool wxTopLevelWindow::Create(wxWindow *parent,
 bool wxTopLevelWindow::ShowFullScreen(bool show, long style)
 {
     if ( show == IsFullScreen() ) return FALSE;
 bool wxTopLevelWindow::ShowFullScreen(bool show, long style)
 {
     if ( show == IsFullScreen() ) return FALSE;

-    
+
+    if ( ms_drawDecorations )
+    {
+        if ( show )
+        {
+            m_fsSavedStyle = m_windowStyle;
+            if ( style & wxFULLSCREEN_NOBORDER )
+                m_windowStyle |= wxSIMPLE_BORDER;
+            if ( style & wxFULLSCREEN_NOCAPTION )
+                m_windowStyle &= ~wxCAPTION;
+        }
+        else
+        {
+            m_windowStyle = m_fsSavedStyle;
+        }
+    }
+

     return wxTopLevelWindowNative::ShowFullScreen(show, style);
     return wxTopLevelWindowNative::ShowFullScreen(show, style);

+}
+
+long wxTopLevelWindow::GetDecorationsStyle() const
+{
+    long style = 0;
+
+    if ( m_windowStyle & wxCAPTION )
+    {
+        style |= wxTOPLEVEL_TITLEBAR | wxTOPLEVEL_BUTTON_CLOSE;
+        if ( m_windowStyle & wxMINIMIZE_BOX )
+            style |= wxTOPLEVEL_BUTTON_ICONIZE;
+        if ( m_windowStyle & wxMAXIMIZE_BOX )
+        {
+            if ( IsMaximized() )
+                style |= wxTOPLEVEL_BUTTON_RESTORE;
+            else
+                style |= wxTOPLEVEL_BUTTON_MAXIMIZE;
+        }
+#if wxUSE_HELP
+        if ( m_exStyle & (wxFRAME_EX_CONTEXTHELP | wxDIALOG_EX_CONTEXTHELP))
+            style |= wxTOPLEVEL_BUTTON_HELP;
+#endif
+    }
+    if ( (m_windowStyle & (wxSIMPLE_BORDER | wxNO_BORDER)) == 0 )
+        style |= wxTOPLEVEL_BORDER;
+    if ( m_windowStyle & (wxRESIZE_BORDER | wxTHICK_FRAME) )
+        style |= wxTOPLEVEL_RESIZEABLE;
+
+    if ( IsMaximized() )
+        style |= wxTOPLEVEL_MAXIMIZED;
+    if ( GetIcon().Ok() )
+        style |= wxTOPLEVEL_ICON;
+    if ( m_isActive )
+        style |= wxTOPLEVEL_ACTIVE;
+
+    return style;
+}
+
+void wxTopLevelWindow::RefreshTitleBar()
+{
+    wxNcPaintEvent event(GetId());
+    event.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// client area handling
+// ----------------------------------------------------------------------------
+
+wxPoint wxTopLevelWindow::GetClientAreaOrigin() const
+{
+    if ( ms_drawDecorations )
+    {
+        int w, h;
+        wxTopLevelWindowNative::DoGetClientSize(&w, &h);
+        wxRect rect = wxRect(wxTopLevelWindowNative::GetClientAreaOrigin(),
+                             wxSize(w, h));
+        rect = m_renderer->GetFrameClientArea(rect,
+                                              GetDecorationsStyle());
+        return rect.GetPosition();
+    }
+    else
+    {
+        return wxTopLevelWindowNative::GetClientAreaOrigin();
+    }
+}
+
+void wxTopLevelWindow::DoGetClientSize(int *width, int *height) const
+{
+    if ( ms_drawDecorations )
+    {
+        int w, h;
+        wxTopLevelWindowNative::DoGetClientSize(&w, &h);
+        wxRect rect = wxRect(wxTopLevelWindowNative::GetClientAreaOrigin(),
+                             wxSize(w, h));
+        rect = m_renderer->GetFrameClientArea(rect,
+                                              GetDecorationsStyle());
+        if ( width )
+            *width = rect.width;
+        if ( height )
+            *height = rect.height;
+    }
+    else
+        wxTopLevelWindowNative::DoGetClientSize(width, height);
+}
+
+void wxTopLevelWindow::DoSetClientSize(int width, int height)
+{
+    if ( ms_drawDecorations )
+    {
+        wxSize size = m_renderer->GetFrameTotalSize(wxSize(width, height),
+                                               GetDecorationsStyle());
+        wxTopLevelWindowNative::DoSetClientSize(size.x, size.y);
+    }
+    else
+        wxTopLevelWindowNative::DoSetClientSize(width, height);
+}
+
+void wxTopLevelWindow::OnNcPaint(wxPaintEvent& event)
+{
+    if ( !ms_drawDecorations || !m_renderer )
+        event.Skip();
+    else
+    {
+        // get the window rect
+        wxRect rect;
+        wxSize size = GetSize();
+        rect.x =
+        rect.y = 0;
+        rect.width = size.x;
+        rect.height = size.y;
+
+        wxWindowDC dc(this);
+        m_renderer->DrawFrameTitleBar(dc, rect,
+                                      GetTitle(), m_titlebarIcon,
+                                      GetDecorationsStyle(),
+                                      m_pressedButton,
+                                      wxCONTROL_PRESSED);
+    }
+}
+
+long wxTopLevelWindow::HitTest(const wxPoint& pt) const
+{
+    int w, h;
+    wxTopLevelWindowNative::DoGetClientSize(&w, &h);
+    wxRect rect(wxTopLevelWindowNative::GetClientAreaOrigin(), wxSize(w, h));
+
+    return m_renderer->HitTestFrame(rect, pt, GetDecorationsStyle());
+}
+
+// ----------------------------------------------------------------------------
+// icons
+// ----------------------------------------------------------------------------
+
+void wxTopLevelWindow::SetIcon(const wxIcon& icon)
+{
+    wxTopLevelWindowNative::SetIcon(icon);
+
+    if ( ms_drawDecorations && m_renderer )
+    {
+        wxSize size = m_renderer->GetFrameIconSize();
+
+        if ( !icon.Ok() || size.x == -1  )
+            m_titlebarIcon = icon;
+        else
+        {
+            wxBitmap bmp1;
+            bmp1.CopyFromIcon(icon);
+            if ( !bmp1.Ok() )
+                m_titlebarIcon = wxNullIcon;
+            else if ( bmp1.GetWidth() == size.x && bmp1.GetHeight() == size.y )
+                m_titlebarIcon = icon;
+            else
+            {
+                wxImage img = bmp1.ConvertToImage();
+                img.Rescale(size.x, size.y);
+                m_titlebarIcon.CopyFromBitmap(wxBitmap(img));
+            }
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+// actions
+// ----------------------------------------------------------------------------
+
+void wxTopLevelWindow::ClickTitleBarButton(long button)
+{
+    switch ( button )
+    {
+        case wxTOPLEVEL_BUTTON_CLOSE:
+            Close();
+            break;
+
+        case wxTOPLEVEL_BUTTON_ICONIZE:
+            Iconize();
+            break;
+
+        case wxTOPLEVEL_BUTTON_MAXIMIZE:
+            Maximize();
+            break;
+
+        case wxTOPLEVEL_BUTTON_RESTORE:
+            Restore();
+            break;
+
+        case wxTOPLEVEL_BUTTON_HELP:
+#if wxUSE_HELP
+            {
+            wxContextHelp contextHelp(this);
+            }
+#endif
+            break;
+
+        default:
+            wxFAIL_MSG(wxT("incorrect button specification"));
+    }
+}
+
+bool wxTopLevelWindow::PerformAction(const wxControlAction& action,
+                                     long numArg,
+                                     const wxString& strArg)
+{
+    bool isActive = numArg != 0;
+
+    if ( action == wxACTION_TOPLEVEL_ACTIVATE )
+    {
+        if ( m_isActive != isActive )
+        {
+            m_isActive = isActive;
+            RefreshTitleBar();
+        }
+        return TRUE;
+    }
+
+    else if ( action == wxACTION_TOPLEVEL_BUTTON_PRESS )
+    {
+        m_pressedButton = numArg;
+        RefreshTitleBar();
+        return TRUE;
+    }
+
+    else if ( action == wxACTION_TOPLEVEL_BUTTON_RELEASE )
+    {
+        m_pressedButton = 0;
+        RefreshTitleBar();
+        return TRUE;
+    }
+
+    else if ( action == wxACTION_TOPLEVEL_BUTTON_CLICK )
+    {
+        m_pressedButton = 0;
+        RefreshTitleBar();
+        ClickTitleBarButton(numArg);
+        return TRUE;
+    }
+    
+    else if ( action == wxACTION_TOPLEVEL_MOVE )
+    {
+        InteractiveMove(wxINTERACTIVE_MOVE);
+        return TRUE;
+    }
+    
+    else if ( action == wxACTION_TOPLEVEL_RESIZE )
+    {
+        int flags = wxINTERACTIVE_RESIZE;
+        if ( numArg & wxHT_TOPLEVEL_BORDER_N )
+            flags |= wxINTERACTIVE_RESIZE_N;
+        if ( numArg & wxHT_TOPLEVEL_BORDER_S )
+            flags |= wxINTERACTIVE_RESIZE_S;
+        if ( numArg & wxHT_TOPLEVEL_BORDER_W )
+            flags |= wxINTERACTIVE_RESIZE_W;
+        if ( numArg & wxHT_TOPLEVEL_BORDER_E )
+            flags |= wxINTERACTIVE_RESIZE_E;
+        InteractiveMove(flags);
+        return TRUE;
+    }

     
     

-    // FIXME_MGL -- must handle caption hiding here if not in
-    //              native decorations mode
+    else
+        return FALSE;
+}
+
+
+// ============================================================================
+// wxStdFrameInputHandler: handles focus, resizing and titlebar buttons clicks
+// ============================================================================
+
+wxStdFrameInputHandler::wxStdFrameInputHandler(wxInputHandler *inphand)
+            : wxStdInputHandler(inphand)
+{
+    m_winCapture = NULL;
+    m_winHitTest = 0;
+    m_winPressed = 0;
+    m_borderCursorOn = FALSE;
+}
+
+bool wxStdFrameInputHandler::HandleMouse(wxInputConsumer *consumer,
+                                         const wxMouseEvent& event)
+{
+    // the button has 2 states: pressed and normal with the following
+    // transitions between them:
+    //
+    //      normal -> left down -> capture mouse and go to pressed state
+    //      pressed -> left up inside -> generate click -> go to normal
+    //                         outside ------------------>
+    //
+    // the other mouse buttons are ignored
+    if ( event.Button(1) )
+    {
+        if ( event.ButtonDown(1) )
+        {
+            wxTopLevelWindow *w = wxStaticCast(consumer->GetInputWindow(), wxTopLevelWindow);
+            long hit = w->HitTest(event.GetPosition());
+
+            if ( hit & wxHT_TOPLEVEL_ANY_BUTTON )
+            {
+                m_winCapture = w;
+                m_winCapture->CaptureMouse();
+                m_winHitTest = hit;
+                m_winPressed = hit;
+                consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_PRESS, m_winPressed);
+                return TRUE;
+            }
+            else if ( hit & wxHT_TOPLEVEL_TITLEBAR )
+            {
+                consumer->PerformAction(wxACTION_TOPLEVEL_MOVE);
+                return TRUE;
+            }
+            else if ( (consumer->GetInputWindow()->GetWindowStyle() & wxRESIZE_BORDER)
+                      && (hit & wxHT_TOPLEVEL_ANY_BORDER) )
+            {
+                consumer->PerformAction(wxACTION_TOPLEVEL_RESIZE, hit);
+                return TRUE;
+            }
+        }
+
+        else // up
+        {
+            if ( m_winCapture )
+            {
+                m_winCapture->ReleaseMouse();
+                m_winCapture = NULL;
+
+                if ( m_winHitTest == m_winPressed )
+                {
+                    consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_CLICK, m_winPressed);
+                    return TRUE;
+                }
+            }
+            //else: the mouse was released outside the window, this doesn't
+            //      count as a click
+        }
+    }
+
+    return wxStdInputHandler::HandleMouse(consumer, event);
+}
+
+bool wxStdFrameInputHandler::HandleMouseMove(wxInputConsumer *consumer,
+                                             const wxMouseEvent& event)
+{
+    if ( event.GetEventObject() == m_winCapture )
+    {
+        long hit = m_winCapture->HitTest(event.GetPosition());
+
+        if ( hit != m_winHitTest )
+        {
+            if ( hit != m_winPressed )
+                consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_RELEASE, m_winPressed);
+            else
+                consumer->PerformAction(wxACTION_TOPLEVEL_BUTTON_PRESS, m_winPressed);
+
+            m_winHitTest = hit;
+            return TRUE;
+        }
+    }
+    else if ( consumer->GetInputWindow()->GetWindowStyle() & wxRESIZE_BORDER )
+    {
+        wxTopLevelWindow *win = wxStaticCast(consumer->GetInputWindow(), 
+                                             wxTopLevelWindow);
+        long hit = win->HitTest(event.GetPosition());
+        
+        if ( hit != m_winHitTest )
+        {
+            m_winHitTest = hit;
+            
+            if ( m_borderCursorOn )
+            {
+                m_borderCursorOn = FALSE;
+                win->SetCursor(m_origCursor);
+            }
+            
+            if ( hit & wxHT_TOPLEVEL_ANY_BORDER )
+            {
+                m_borderCursorOn = TRUE;
+                wxCursor cur;
+            
+                switch (hit)
+                {
+                    case wxHT_TOPLEVEL_BORDER_N:
+                    case wxHT_TOPLEVEL_BORDER_S:
+                        cur = wxCursor(wxCURSOR_SIZENS);
+                        break;
+                    case wxHT_TOPLEVEL_BORDER_W:
+                    case wxHT_TOPLEVEL_BORDER_E:
+                        cur = wxCursor(wxCURSOR_SIZEWE);
+                        break;
+                    case wxHT_TOPLEVEL_BORDER_NE:
+                    case wxHT_TOPLEVEL_BORDER_SW:
+                        cur = wxCursor(wxCURSOR_SIZENESW);
+                        break;
+                    case wxHT_TOPLEVEL_BORDER_NW:
+                    case wxHT_TOPLEVEL_BORDER_SE:
+                        cur = wxCursor(wxCURSOR_SIZENWSE);
+                        break;
+                    default:
+                        m_borderCursorOn = FALSE;
+                        break;
+                }
+                if ( m_borderCursorOn )
+                {
+                    m_origCursor = win->GetCursor();
+                    win->SetCursor(cur);
+                }
+            }
+        }
+    }
+
+    return wxStdInputHandler::HandleMouseMove(consumer, event);

 }
 
 }
 

+bool wxStdFrameInputHandler::HandleActivation(wxInputConsumer *consumer,
+                                              bool activated)
+{
+    if ( m_borderCursorOn )
+    {
+        consumer->GetInputWindow()->SetCursor(m_origCursor);
+        m_borderCursorOn = FALSE;
+    }
+    consumer->PerformAction(wxACTION_TOPLEVEL_ACTIVATE, activated);
+    return FALSE;
+}