]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/renderg.cpp
Return NULL from wxWindow::GetCapture() when the capture is being lost.
[wxWidgets.git] / src / generic / renderg.cpp
index 817dd01986f07abee00454b65e18b46ea1511f22..93354ab4042331f82a82d116c4a3e1c0f8b893ab 100644 (file)
@@ -4,9 +4,8 @@
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     20.07.2003
-// RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
-// License:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
     #include "wx/string.h"
     #include "wx/dc.h"
     #include "wx/settings.h"
+    #include "wx/gdicmn.h"
+    #include "wx/module.h"
+    #include "wx/control.h"
 #endif //WX_PRECOMP
 
-#include "wx/gdicmn.h"
-
 #include "wx/splitter.h"
 #include "wx/dcmirror.h"
-#include "wx/module.h"
+
+#ifdef __WXMAC__
+    #include "wx/osx/private.h"
+#endif
 
 // ----------------------------------------------------------------------------
 // wxRendererGeneric: our wxRendererNative implementation
@@ -47,10 +50,23 @@ class WXDLLEXPORT wxRendererGeneric : public wxRendererNative
 public:
     wxRendererGeneric();
 
-    virtual void DrawHeaderButton(wxWindow *win,
+    virtual int  DrawHeaderButton(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,
-                                  int flags = 0);
+                                  int flags = 0,
+                                  wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                  wxHeaderButtonParams* params = NULL);
+
+    virtual int  DrawHeaderButtonContents(wxWindow *win,
+                                          wxDC& dc,
+                                          const wxRect& rect,
+                                          int flags = 0,
+                                          wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE,
+                                          wxHeaderButtonParams* params = NULL);
+
+    virtual int GetHeaderButtonHeight(wxWindow *win);
+
+    virtual int GetHeaderButtonMargin(wxWindow *win);
 
     virtual void DrawTreeItemButton(wxWindow *win,
                                     wxDC& dc,
@@ -84,6 +100,8 @@ public:
                               const wxRect& rect,
                               int flags = 0);
 
+    virtual wxSize GetCheckBoxSize(wxWindow *win);
+
     virtual void DrawPushButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
@@ -94,6 +112,24 @@ public:
                                        const wxRect& rect,
                                        int flags = 0);
 
+    virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0);
+
+    virtual void DrawChoice(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
+
+    virtual void DrawComboBox(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
+
+    virtual void DrawTextCtrl(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
+
+    virtual void DrawRadioBitmap(wxWindow* win, wxDC& dc, const wxRect& rect, int flags=0);
+
+#ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
+    virtual void DrawTitleBarBitmap(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    wxTitleBarButton button,
+                                    int flags = 0);
+#endif // wxHAS_DRAW_TITLE_BAR_BITMAP
+
     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
 
     virtual wxRendererVersion GetVersion() const
@@ -148,10 +184,7 @@ wxRendererNative& wxRendererNative::GetGeneric()
 
 void wxRendererGeneric::Cleanup()
 {
-    if (sm_rendererGeneric)
-        delete sm_rendererGeneric;
-
-    sm_rendererGeneric = NULL;
+    wxDELETE(sm_rendererGeneric);
 }
 
 wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL;
@@ -194,36 +227,233 @@ wxRendererGeneric::DrawShadedRect(wxDC& dc,
 // tree/list ctrl drawing
 // ----------------------------------------------------------------------------
 
-void
-wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win),
+int
+wxRendererGeneric::DrawHeaderButton(wxWindow* win,
                                     wxDC& dc,
                                     const wxRect& rect,
-                                    int WXUNUSED(flags))
+                                    int flags,
+                                    wxHeaderSortIconType sortArrow,
+                                    wxHeaderButtonParams* params)
 {
-    const int CORNER = 1;
-
     const wxCoord x = rect.x,
                   y = rect.y,
                   w = rect.width,
                   h = rect.height;
 
+    dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)));
+    dc.SetPen(*wxTRANSPARENT_PEN);
+    dc.DrawRectangle(rect);
+
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 
     dc.SetPen(m_penBlack);
-    dc.DrawLine( x+w-CORNER+1, y, x+w, y+h );  // right (outer)
-    dc.DrawRectangle( x, y+h, w+1, 1 );        // bottom (outer)
+    dc.DrawLine( x+w-1, y, x+w-1, y+h );  // right (outer)
+    dc.DrawLine( x, y+h-1, x+w, y+h-1 );  // bottom (outer)
 
     dc.SetPen(m_penDarkGrey);
-    dc.DrawLine( x+w-CORNER, y, x+w-1, y+h );  // right (inner)
-    dc.DrawRectangle( x+1, y+h-1, w-2, 1 );    // bottom (inner)
+    dc.DrawLine( x+w-2, y+1, x+w-2, y+h-1 );  // right (inner)
+    dc.DrawLine( x+1, y+h-2, x+w-1, y+h-2 );  // bottom (inner)
 
     dc.SetPen(m_penHighlight);
-    dc.DrawRectangle( x, y, w-CORNER+1, 1 );   // top (outer)
-    dc.DrawRectangle( x, y, 1, h );            // left (outer)
-    dc.DrawLine( x, y+h-1, x+1, y+h-1 );
-    dc.DrawLine( x+w-1, y, x+w-1, y+1 );
+    dc.DrawLine( x, y, x, y+h-1 ); // left (outer)
+    dc.DrawLine( x, y, x+w-1, y ); // top (outer)
+
+    return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params);
+}
+
+
+int
+wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win,
+                                            wxDC& dc,
+                                            const wxRect& rect,
+                                            int flags,
+                                            wxHeaderSortIconType sortArrow,
+                                            wxHeaderButtonParams* params)
+{
+    int labelWidth = 0;
+
+    // Mark this item as selected.  For the generic version we'll just draw an
+    // underline
+    if ( flags & wxCONTROL_SELECTED )
+    {
+        // draw a line at the bottom of the header button, overlaying the
+        // native hot-tracking line (on XP)
+        const int penwidth = 3;
+        int y = rect.y + rect.height + 1 - penwidth;
+        wxColour c = (params && params->m_selectionColour.IsOk()) ?
+            params->m_selectionColour : wxColour(0x66, 0x66, 0x66);
+        wxPen pen(c, penwidth);
+        pen.SetCap(wxCAP_BUTT);
+        dc.SetPen(pen);
+        dc.DrawLine(rect.x, y, rect.x + rect.width, y);
+    }
+
+    // Draw an up or down arrow
+    int arrowSpace = 0;
+    if (sortArrow != wxHDR_SORT_ICON_NONE )
+    {
+        wxRect ar = rect;
+
+        // make a rect for the arrow
+        ar.height = 4;
+        ar.width = 8;
+        ar.y += (rect.height - ar.height)/2;
+        ar.x = ar.x + rect.width - 3*ar.width/2;
+        arrowSpace = 3*ar.width/2; // space to preserve when drawing the label
+
+        wxPoint triPt[3];
+        if ( sortArrow & wxHDR_SORT_ICON_UP )
+        {
+            triPt[0].x = ar.width / 2;
+            triPt[0].y = 0;
+            triPt[1].x = ar.width;
+            triPt[1].y = ar.height;
+            triPt[2].x = 0;
+            triPt[2].y = ar.height;
+        }
+        else
+        {
+            triPt[0].x = 0;
+            triPt[0].y = 0;
+            triPt[1].x = ar.width;
+            triPt[1].y = 0;
+            triPt[2].x = ar.width / 2;
+            triPt[2].y = ar.height;
+        }
+
+        wxColour c = (params && params->m_arrowColour.IsOk()) ?
+            params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW);
+
+        wxDCPenChanger setPen(dc, c);
+        wxDCBrushChanger setBrush(dc, c);
+
+        wxDCClipper clip(dc, rect);
+        dc.DrawPolygon( 3, triPt, ar.x, ar.y);
+    }
+    labelWidth += arrowSpace;
+
+    int bmpWidth = 0;
+
+    // draw the bitmap if there is one
+    if ( params && params->m_labelBitmap.IsOk() )
+    {
+        int w = params->m_labelBitmap.GetWidth();
+        int h = params->m_labelBitmap.GetHeight();
+
+        const int margin = 1; // an extra pixel on either side of the bitmap
+
+        bmpWidth = w + 2*margin;
+        labelWidth += bmpWidth;
+
+        int x = rect.x + margin;
+        const int y = rect.y + wxMax(1, (rect.height - h) / 2);
+
+        const int extraSpace = rect.width - labelWidth;
+        if ( params->m_labelText.empty() && extraSpace > 0 )
+        {
+            // use the alignment flags
+            switch (params->m_labelAlignment)
+            {
+                default:
+                case wxALIGN_LEFT:
+                    break;
+
+                case wxALIGN_CENTER:
+                    x += extraSpace/2;
+                    break;
+
+                case wxALIGN_RIGHT:
+                    x += extraSpace;
+                    break;
+            }
+        }
+
+        wxDCClipper clip(dc, rect);
+        dc.DrawBitmap(params->m_labelBitmap, x, y, true);
+    }
+
+    // Draw a label if one is given
+    if ( params && !params->m_labelText.empty() )
+    {
+        const int margin = 5;   // number of pixels to reserve on either side of the label
+        labelWidth += 2*margin;
+
+        wxFont font  = params->m_labelFont.IsOk() ?
+            params->m_labelFont : win->GetFont();
+        wxColour clr = params->m_labelColour.IsOk() ?
+            params->m_labelColour : win->GetForegroundColour();
+
+        wxString label( params->m_labelText );
+
+        dc.SetFont(font);
+        dc.SetTextForeground(clr);
+        dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
+
+        int tw, th, td;
+        dc.GetTextExtent( label, &tw, &th, &td);
+
+        int x = rect.x + bmpWidth + margin;
+        const int y = rect.y + wxMax(0, (rect.height - (th+td)) / 2);
+
+        // truncate and add an ellipsis (...) if the text is too wide.
+        const int availWidth = rect.width - labelWidth;
+#if wxUSE_CONTROLS
+        if ( tw > availWidth )
+        {
+            label = wxControl::Ellipsize(label,
+                                         dc,
+                                         wxELLIPSIZE_END,
+                                         availWidth,
+                                         wxELLIPSIZE_FLAGS_NONE);
+            tw = dc.GetTextExtent(label).x;
+        }
+        else // enough space, we can respect alignment
+#endif // wxUSE_CONTROLS
+        {
+            switch (params->m_labelAlignment)
+            {
+                default:
+                case wxALIGN_LEFT:
+                    break;
+
+                case wxALIGN_CENTER:
+                    x += (availWidth - tw)/2;
+                    break;
+
+                case wxALIGN_RIGHT:
+                    x += availWidth - tw;
+                    break;
+            }
+        }
+
+        dc.DrawText(label, x, y);
+
+        labelWidth += tw;
+    }
+
+    return labelWidth;
 }
 
+
+int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win)
+{
+    // Copied and adapted from src/generic/listctrl.cpp
+    const int HEADER_OFFSET_Y = 1;
+    const int EXTRA_HEIGHT = 4;
+
+    int w=0, h=14, d=0;
+    if (win)
+        win->GetTextExtent(wxT("Hg"), &w, &h, &d);
+
+    return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT;
+}
+
+int wxRendererGeneric::GetHeaderButtonMargin(wxWindow *WXUNUSED(win))
+{
+    return 5;
+}
+
+
 // draw the plus or minus sign
 void
 wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win),
@@ -419,6 +649,11 @@ wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
     }
 }
 
+wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
+{
+    return wxSize(16, 16);
+}
+
 void
 wxRendererGeneric::DrawPushButton(wxWindow *win,
                                   wxDC& dc,
@@ -436,7 +671,7 @@ wxRendererGeneric::DrawPushButton(wxWindow *win,
 }
 
 void
-wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
+wxRendererGeneric::DrawItemSelectionRect(wxWindow * win,
                                          wxDC& dc,
                                          const wxRect& rect,
                                          int flags)
@@ -459,11 +694,104 @@ wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
     }
 
     dc.SetBrush(brush);
-    dc.SetPen(flags & wxCONTROL_CURRENT ? *wxBLACK_PEN : *wxTRANSPARENT_PEN);
+    if ((flags & wxCONTROL_CURRENT) && (flags & wxCONTROL_FOCUSED)
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxOSX_USE_CARBON
+                && IsControlActive( (ControlRef)win->GetHandle() )
+#endif
+    )
+        dc.SetPen( *wxBLACK_PEN );
+    else
+        dc.SetPen( *wxTRANSPARENT_PEN );
 
     dc.DrawRectangle( rect );
+
+    // it's unused everywhere except in wxOSX/Carbon
+    wxUnusedVar(win);
 }
 
+void
+wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags))
+{
+    // draw the pixels manually because the "dots" in wxPen with wxDOT style
+    // may be short traits and not really dots
+    //
+    // note that to behave in the same manner as DrawRect(), we must exclude
+    // the bottom and right borders from the rectangle
+    wxCoord x1 = rect.GetLeft(),
+            y1 = rect.GetTop(),
+            x2 = rect.GetRight(),
+            y2 = rect.GetBottom();
+
+    dc.SetPen(m_penBlack);
+
+#ifdef __WXMAC__
+    dc.SetLogicalFunction(wxCOPY);
+#else
+    // this seems to be closer than what Windows does than wxINVERT although
+    // I'm still not sure if it's correct
+    dc.SetLogicalFunction(wxAND_REVERSE);
+#endif
+
+    wxCoord z;
+    for ( z = x1 + 1; z < x2; z += 2 )
+        dc.DrawPoint(z, rect.GetTop());
+
+    wxCoord shift = z == x2 ? 0 : 1;
+    for ( z = y1 + shift; z < y2; z += 2 )
+        dc.DrawPoint(x2, z);
+
+    shift = z == y2 ? 0 : 1;
+    for ( z = x2 - shift; z > x1; z -= 2 )
+        dc.DrawPoint(z, y2);
+
+    shift = z == x1 ? 0 : 1;
+    for ( z = y2 - shift; z > y1; z -= 2 )
+        dc.DrawPoint(x1, z);
+
+    dc.SetLogicalFunction(wxCOPY);
+}
+
+void wxRendererGeneric::DrawChoice(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
+                           const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
+{
+    wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawChoice");
+}
+
+void wxRendererGeneric::DrawComboBox(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
+                           const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
+{
+    wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawComboBox");
+}
+
+void wxRendererGeneric::DrawRadioBitmap(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
+                           const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
+{
+    wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawRadioBitmap");
+}
+
+void wxRendererGeneric::DrawTextCtrl(wxWindow* WXUNUSED(win), wxDC& WXUNUSED(dc),
+                           const wxRect& WXUNUSED(rect), int WXUNUSED(flags))
+{
+    wxFAIL_MSG("UNIMPLEMENTED: wxRendererGeneric::DrawTextCtrl");
+}
+
+#ifdef wxHAS_DRAW_TITLE_BAR_BITMAP
+
+void wxRendererGeneric::DrawTitleBarBitmap(wxWindow * WXUNUSED(win),
+                                           wxDC& WXUNUSED(dc),
+                                           const wxRect& WXUNUSED(rect),
+                                           wxTitleBarButton WXUNUSED(button),
+                                           int WXUNUSED(flags))
+{
+    // no need to fail here, if wxHAS_DRAW_TITLE_BAR_BITMAP is defined this
+    // will be implemented in the native renderer and this version is never
+    // going to be used -- but we still need to define it to allow
+    // instantiation of this class (which would have been pure virtual
+    // otherwise)
+}
+
+#endif // wxHAS_DRAW_TITLE_BAR_BITMAP
+
 
 // ----------------------------------------------------------------------------
 // A module to allow cleanup of generic renderer.
@@ -474,8 +802,8 @@ class wxGenericRendererModule: public wxModule
 DECLARE_DYNAMIC_CLASS(wxGenericRendererModule)
 public:
     wxGenericRendererModule() {}
-    bool OnInit() { return true; };
-    void OnExit() { wxRendererGeneric::Cleanup(); };
+    bool OnInit() { return true; }
+    void OnExit() { wxRendererGeneric::Cleanup(); }
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)