gtk.cpp

Wxpython Implemented on Windows CE, Source code

///////////////////////////////////////////////////////////////////////////////
// Name:        src/univ/themes/gtk.cpp
// Purpose:     wxUniversal theme implementing GTK-like LNF
// Author:      Vadim Zeitlin
// Modified by:
// Created:     06.08.00
// RCS-ID:      $Id: gtk.cpp,v 1.53 2006/07/03 19:02:48 ABX Exp $
// Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

// ===========================================================================
// declarations
// ===========================================================================

// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------

// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/intl.h"
    #include "wx/log.h"
    #include "wx/dcmemory.h"
    #include "wx/window.h"

    #include "wx/menu.h"

    #include "wx/bmpbuttn.h"
    #include "wx/button.h"
    #include "wx/checkbox.h"
    #include "wx/listbox.h"
    #include "wx/checklst.h"
    #include "wx/combobox.h"
    #include "wx/scrolbar.h"
    #include "wx/slider.h"
    #include "wx/textctrl.h"
    #include "wx/toolbar.h"
    #include "wx/statusbr.h"

    #include "wx/settings.h"
    #include "wx/toplevel.h"
    #include "wx/image.h"
#endif // WX_PRECOMP

#include "wx/notebook.h"
#include "wx/spinbutt.h"
#include "wx/artprov.h"
#ifdef wxUSE_TOGGLEBTN
#include "wx/tglbtn.h"
#endif // wxUSE_TOGGLEBTN

#include "wx/univ/renderer.h"
#include "wx/univ/inphand.h"
#include "wx/univ/colschem.h"
#include "wx/univ/theme.h"

class WXDLLEXPORT wxGTKMenuGeometryInfo;

// ----------------------------------------------------------------------------
// constants (to be removed, for testing only)
// ----------------------------------------------------------------------------

static const size_t BORDER_THICKNESS = 1;

// ----------------------------------------------------------------------------
// wxGTKRenderer: draw the GUI elements in GTK style
// ----------------------------------------------------------------------------

class wxGTKRenderer : public wxRenderer
{
public:
    wxGTKRenderer(const wxColourScheme *scheme);

    // implement the base class pure virtuals
    virtual void DrawBackground(wxDC& dc,
                                const wxColour& col,
                                const wxRect& rect,
                                int flags = 0,
                                wxWindow *window = NULL );
    virtual void DrawLabel(wxDC& dc,
                           const wxString& label,
                           const wxRect& rect,
                           int flags = 0,
                           int alignment = wxALIGN_LEFT | wxALIGN_TOP,
                           int indexAccel = -1,
                           wxRect *rectBounds = NULL);
    virtual void DrawButtonLabel(wxDC& dc,
                                 const wxString& label,
                                 const wxBitmap& image,
                                 const wxRect& rect,
                                 int flags = 0,
                                 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
                                 int indexAccel = -1,
                                 wxRect *rectBounds = NULL);
    virtual void DrawBorder(wxDC& dc,
                            wxBorder border,
                            const wxRect& rect,
                            int flags = 0,
                            wxRect *rectIn = (wxRect *)NULL);
    virtual void DrawHorizontalLine(wxDC& dc,
                                    wxCoord y, wxCoord x1, wxCoord x2);
    virtual void DrawVerticalLine(wxDC& dc,
                                  wxCoord x, wxCoord y1, wxCoord y2);
    virtual void DrawFrame(wxDC& dc,
                           const wxString& label,
                           const wxRect& rect,
                           int flags = 0,
                           int alignment = wxALIGN_LEFT,
                           int indexAccel = -1);
    virtual void DrawTextBorder(wxDC& dc,
                                wxBorder border,
                                const wxRect& rect,
                                int flags = 0,
                                wxRect *rectIn = (wxRect *)NULL);
    virtual void DrawButtonBorder(wxDC& dc,
                                  const wxRect& rect,
                                  int flags = 0,
                                  wxRect *rectIn = (wxRect *)NULL);
    virtual void DrawArrow(wxDC& dc,
                           wxDirection dir,
                           const wxRect& rect,
                           int flags = 0);
    virtual void DrawScrollbarArrow(wxDC& dc,
                                    wxDirection dir,
                                    const wxRect& rect,
                                    int flags = 0);
    virtual void DrawScrollbarThumb(wxDC& dc,
                                    wxOrientation orient,
                                    const wxRect& rect,
                                    int flags = 0);
    virtual void DrawScrollbarShaft(wxDC& dc,
                                    wxOrientation orient,
                                    const wxRect& rect,
                                    int flags = 0);
    virtual void DrawScrollCorner(wxDC& dc,
                                  const wxRect& rect);
    virtual void DrawItem(wxDC& dc,
                          const wxString& label,
                          const wxRect& rect,
                          int flags = 0);
    virtual void DrawCheckItem(wxDC& dc,
                               const wxString& label,
                               const wxBitmap& bitmap,
                               const wxRect& rect,
                               int flags = 0);
    virtual void DrawCheckButton(wxDC& dc,
                                 const wxString& label,
                                 const wxBitmap& bitmap,
                                 const wxRect& rect,
                                 int flags = 0,
                                 wxAlignment align = wxALIGN_LEFT,
                                 int indexAccel = -1);

    virtual void DrawRadioButton(wxDC& dc,
                                 const wxString& label,
                                 const wxBitmap& bitmap,
                                 const wxRect& rect,
                                 int flags = 0,
                                 wxAlignment align = wxALIGN_LEFT,
                                 int indexAccel = -1);

#if wxUSE_TOOLBAR
    virtual void DrawToolBarButton(wxDC& dc,
                                   const wxString& label,
                                   const wxBitmap& bitmap,
                                   const wxRect& rect,
                                   int flags = 0,
                                   long style = 0,
                                   int tbarStyle = 0);
#endif // wxUSE_TOOLBAR

    virtual void DrawTextLine(wxDC& dc,
                              const wxString& text,
                              const wxRect& rect,
                              int selStart = -1,
                              int selEnd = -1,
                              int flags = 0);
    virtual void DrawLineWrapMark(wxDC& dc, const wxRect& rect);
    virtual void DrawTab(wxDC& dc,
                         const wxRect& rect,
                         wxDirection dir,
                         const wxString& label,
                         const wxBitmap& bitmap = wxNullBitmap,
                         int flags = 0,
                         int indexAccel = -1);

#if wxUSE_SLIDER
    virtual void DrawSliderShaft(wxDC& dc,
                                 const wxRect& rect,
                                 int lenThumb,
                                 wxOrientation orient,
                                 int flags = 0,
                                 long style = 0,
                                 wxRect *rectShaft = NULL);
    virtual void DrawSliderThumb(wxDC& dc,
                                 const wxRect& rect,
                                 wxOrientation orient,
                                 int flags = 0,
                                 long style = 0);
    virtual void DrawSliderTicks(wxDC& WXUNUSED(dc),
                                 const wxRect& WXUNUSED(rect),
                                 int WXUNUSED(lenThumb),
                                 wxOrientation WXUNUSED(orient),
                                 int WXUNUSED(start),
                                 int WXUNUSED(end),
                                 int WXUNUSED(step) = 1,
                                 int WXUNUSED(flags) = 0,
                                 long WXUNUSED(style) = 0)
    {
        // we don't have the ticks in GTK version
    }
#endif // wxUSE_SLIDER

#if wxUSE_MENUS
    virtual void DrawMenuBarItem(wxDC& dc,
                                 const wxRect& rect,
                                 const wxString& label,
                                 int flags = 0,
                                 int indexAccel = -1);
    virtual void DrawMenuItem(wxDC& dc,
                              wxCoord y,
                              const wxMenuGeometryInfo& geometryInfo,
                              const wxString& label,
                              const wxString& accel,
                              const wxBitmap& bitmap = wxNullBitmap,
                              int flags = 0,
                              int indexAccel = -1);
    virtual void DrawMenuSeparator(wxDC& dc,
                                   wxCoord y,
                                   const wxMenuGeometryInfo& geomInfo);
#endif // wxUSE_MENUS

#if wxUSE_STATUSBAR
    virtual void DrawStatusField(wxDC& dc,
                                 const wxRect& rect,
                                 const wxString& label,
                                 int flags = 0, int style = 0);
#endif // wxUSE_STATUSBAR

    virtual void DrawFrameTitleBar(wxDC& dc,
                                   const wxRect& rect,
                                   const wxString& title,
                                   const wxIcon& icon,
                                   int flags,
                                   int specialButton = 0,
                                   int specialButtonFlag = 0);
    virtual void DrawFrameBorder(wxDC& dc,
                                 const wxRect& rect,
                                 int flags);
    virtual void DrawFrameBackground(wxDC& dc,
                                     const wxRect& rect,
                                     int flags);
    virtual void DrawFrameTitle(wxDC& dc,
                                const wxRect& rect,
                                const wxString& title,
                                int flags);
    virtual void DrawFrameIcon(wxDC& dc,
                               const wxRect& rect,
                               const wxIcon& icon,
                               int flags);
    virtual void DrawFrameButton(wxDC& dc,
                                 wxCoord x, wxCoord y,
                                 int button,
                                 int flags = 0);

    // titlebars
    virtual wxRect GetFrameClientArea(const wxRect& rect, int flags) const;
    virtual wxSize GetFrameTotalSize(const wxSize& clientSize, int flags) const;
    virtual wxSize GetFrameMinSize(int flags) const;
    virtual wxSize GetFrameIconSize() const;
    virtual int HitTestFrame(const wxRect& rect, const wxPoint& pt, int flags) const;

    virtual void GetComboBitmaps(wxBitmap *bmpNormal,
                                 wxBitmap *bmpFocus,
                                 wxBitmap *bmpPressed,
                                 wxBitmap *bmpDisabled);

    virtual void AdjustSize(wxSize *size, const wxWindow *window);
    virtual wxRect GetBorderDimensions(wxBorder border) const;
    virtual bool AreScrollbarsInsideBorder() const;

    // geometry and hit testing
    virtual wxSize GetScrollbarArrowSize() const
        { return m_sizeScrollbarArrow; }
#if wxUSE_SCROLLBAR
    virtual wxRect GetScrollbarRect(const wxScrollBar *scrollbar,
                                    wxScrollBar::Element elem,
                                    int thumbPos = -1) const;
    virtual wxCoord GetScrollbarSize(const wxScrollBar *scrollbar);
    virtual wxHitTest HitTestScrollbar(const wxScrollBar *scrollbar,
                                       const wxPoint& pt) const;
    virtual wxCoord ScrollbarToPixel(const wxScrollBar *scrollbar,
                                     int thumbPos = -1);
    virtual int PixelToScrollbar(const wxScrollBar *scrollbar, wxCoord coord);
#endif // wxUSE_SCROLLBAR

    virtual wxCoord GetListboxItemHeight(wxCoord fontHeight)
        { return fontHeight + 2; }
    virtual wxSize GetCheckBitmapSize() const
        { return wxSize(10, 10); }
    virtual wxSize GetRadioBitmapSize() const
        { return wxSize(11, 11); }
    virtual wxCoord GetCheckItemMargin() const
        { return 2; }

    virtual wxSize GetToolBarButtonSize(wxCoord *separator) const
        { if ( separator ) *separator = 5; return wxSize(16, 15); }
    virtual wxSize GetToolBarMargin() const
        { return wxSize(6, 6); }

#if wxUSE_TEXTCTRL
    virtual wxRect GetTextTotalArea(const wxTextCtrl *text,
                                    const wxRect& rect) const;
    virtual wxRect GetTextClientArea(const wxTextCtrl *text,
                                     const wxRect& rect,
                                     wxCoord *extraSpaceBeyond) const;
#endif // wxUSE_TEXTCTRL

    virtual wxSize GetTabIndent() const { return wxSize(2, 2); }
    virtual wxSize GetTabPadding() const { return wxSize(6, 6); }

#if wxUSE_SLIDER
    virtual wxCoord GetSliderDim() const { return 15; }
    virtual wxCoord GetSliderTickLen() const { return 0; }
    virtual wxRect GetSliderShaftRect(const wxRect& rect,
                                      int lenThumb,
                                      wxOrientation orient,
                                      long style = 0) const;
    virtual wxSize GetSliderThumbSize(const wxRect& rect,
                                      int lenThumb,
                                      wxOrientation orient) const;
#endif // wxUSE_SLIDER

    virtual wxSize GetProgressBarStep() const { return wxSize(16, 32); }

#if wxUSE_MENUS
    virtual wxSize GetMenuBarItemSize(const wxSize& sizeText) const;
    virtual wxMenuGeometryInfo *GetMenuGeometry(wxWindow *win,
                                                const wxMenu& menu) const;
#endif // wxUSE_MENUS

#if wxUSE_STATUSBAR
    virtual wxSize GetStatusBarBorders(wxCoord *borderBetweenFields) const;
#endif // wxUSE_STATUSBAR

    // helpers for "wxBitmap wxColourScheme::Get()"
    void DrawCheckBitmap(wxDC& dc, const wxRect& rect);
    void DrawUncheckBitmap(wxDC& dc, const wxRect& rect, bool isPressed);
    void DrawUndeterminedBitmap(wxDC& dc, const wxRect& rect, bool isPressed);

protected:
    // DrawBackground() helpers

    // get the colour to use for background
    wxColour GetBackgroundColour(int flags) const
    {
        if ( flags & wxCONTROL_PRESSED )
            return wxSCHEME_COLOUR(m_scheme, CONTROL_PRESSED);
        else if ( flags & wxCONTROL_CURRENT )
            return wxSCHEME_COLOUR(m_scheme, CONTROL_CURRENT);
        else
            return wxSCHEME_COLOUR(m_scheme, CONTROL);
    }

    // draw the background with any colour, not only the default one(s)
    void DoDrawBackground(wxDC& dc,
                          const wxColour& col,
                          const wxRect& rect,
                          wxWindow *window = NULL);

    // DrawBorder() helpers: all of them shift and clip the DC after drawing
    // the border

    // just draw a rectangle with the given pen
    void DrawRect(wxDC& dc, wxRect *rect, const wxPen& pen);

    // draw the lower left part of rectangle
    void DrawHalfRect(wxDC& dc, wxRect *rect, const wxPen& pen);