[wxWidgets.git] / src / stc / PlatWX.cpp

// Scintilla source code edit control
// PlatWX.cxx - implementation of platform facilities on wxWindows
// Copyright 1998-1999 by Neil Hodgson <neilh@scintilla.org>
//                        Robin Dunn <robin@aldunn.com>
// The License.txt file describes the conditions under which this software may be distributed.

#include <ctype.h>

#include "Platform.h"
#include "wx/stc/stc.h"


#ifdef __WXGTK__
#include <gtk/gtk.h>
#endif

Point Point::FromLong(long lpoint) {
    return Point(lpoint & 0xFFFF, lpoint >> 16);
}

wxRect wxRectFromPRectangle(PRectangle prc) {
    wxRect rc(prc.left, prc.top,
              prc.right-prc.left, prc.bottom-prc.top);
    return rc;
}

PRectangle PRectangleFromwxRect(wxRect rc) {
    return PRectangle(rc.GetLeft(), rc.GetTop(), rc.GetRight(), rc.GetBottom());
}

Colour::Colour(long lcol) {
    co.Set(lcol & 0xff, (lcol >> 8) & 0xff, (lcol >> 16) & 0xff);
}

Colour::Colour(unsigned int red, unsigned int green, unsigned int blue) {
    co.Set(red, green, blue);
}

bool Colour::operator==(const Colour &other) const {
    return co == other.co;
}

long Colour::AsLong() const {
    return (((long)co.Blue()  << 16) |
            ((long)co.Green() <<  8) |
            ((long)co.Red()));
}

unsigned int Colour::GetRed() {
    return co.Red();
}

unsigned int Colour::GetGreen() {
    return co.Green();
}

unsigned int Colour::GetBlue() {
    return co.Blue();
}

Palette::Palette() {
    used = 0;
    allowRealization = false;
}

Palette::~Palette() {
    Release();
}

void Palette::Release() {
    used = 0;
}

// This method either adds a colour to the list of wanted colours (want==true)
// or retrieves the allocated colour back to the ColourPair.
// This is one method to make it easier to keep the code for wanting and retrieving in sync.
void Palette::WantFind(ColourPair &cp, bool want) {
    if (want) {
        for (int i=0; i < used; i++) {
            if (entries[i].desired == cp.desired)
                return;
        }

        if (used < numEntries) {
            entries[used].desired = cp.desired;
            entries[used].allocated = cp.desired;
            used++;
        }
    } else {
        for (int i=0; i < used; i++) {
            if (entries[i].desired == cp.desired) {
                cp.allocated = entries[i].allocated;
                return;
            }
        }
        cp.allocated = cp.desired;
    }
}

void Palette::Allocate(Window &) {
    if (allowRealization) {
    }
}


Font::Font() {
    id = 0;
    ascent = 0;
}

Font::~Font() {
}

void Font::Create(const char *faceName, int characterSet, int size, bool bold, bool italic) {
    Release();
    id = new wxFont(size,
                    wxDEFAULT,
                    italic ? wxITALIC :  wxNORMAL,
                    bold ? wxBOLD : wxNORMAL,
                    false,
                    faceName,
                    wxFONTENCODING_DEFAULT);
}


void Font::Release() {
    if (id)
        delete id;
    id = 0;
}


Surface::Surface() :
    hdc(0), hdcOwned(0), bitmap(0),
    x(0), y(0) {
}

Surface::~Surface() {
    Release();
}

void Surface::Release() {
    if (bitmap) {
        ((wxMemoryDC*)hdc)->SelectObject(wxNullBitmap);
        delete bitmap;
        bitmap = 0;
    }
    if (hdcOwned) {
        delete hdc;
        hdc = 0;
        hdcOwned = false;
    }
}


bool Surface::Initialised() {
    return hdc != 0;
}

void Surface::Init() {
    Release();
    hdc = new wxMemoryDC();
    hdcOwned = true;
    // **** ::SetTextAlign(hdc, TA_BASELINE);
}

void Surface::Init(SurfaceID hdc_) {
    Release();
    hdc = hdc_;
    // **** ::SetTextAlign(hdc, TA_BASELINE);
}

void Surface::InitPixMap(int width, int height, Surface *surface_) {
    Release();
    hdc = new wxMemoryDC(surface_->hdc);
    hdcOwned = true;
    bitmap = new wxBitmap(width, height);
    ((wxMemoryDC*)hdc)->SelectObject(*bitmap);
    // **** ::SetTextAlign(hdc, TA_BASELINE);
}

void Surface::PenColour(Colour fore) {
    hdc->SetPen(wxPen(fore.co, 1, wxSOLID));
}

void Surface::BrushColor(Colour back) {
    hdc->SetBrush(wxBrush(back.co, wxSOLID));
}

void Surface::SetFont(Font &font_) {
  if (font_.GetID()) {
      hdc->SetFont(*font_.GetID());
    }
}

int Surface::LogPixelsY() {
    return hdc->GetPPI().y;
}


int Surface::DeviceHeightFont(int points) {
    return points * LogPixelsY() / 72;
}


void Surface::MoveTo(int x_, int y_) {
    x = x_;
    y = y_;
}

void Surface::LineTo(int x_, int y_) {
    hdc->DrawLine(x,y, x_,y_);
    x = x_;
    y = y_;
}

void Surface::Polygon(Point *pts, int npts, Colour fore,
                      Colour back) {
    PenColour(fore);
    BrushColor(back);
    hdc->DrawPolygon(npts, (wxPoint*)pts);
}

void Surface::RectangleDraw(PRectangle rc, Colour fore, Colour back) {
    PenColour(fore);
    BrushColor(back);
    hdc->DrawRectangle(wxRectFromPRectangle(rc));
}

void Surface::FillRectangle(PRectangle rc, Colour back) {
    BrushColor(back);
    hdc->SetPen(*wxTRANSPARENT_PEN);
    hdc->DrawRectangle(wxRectFromPRectangle(rc));
}

void Surface::FillRectangle(PRectangle rc, Surface &surfacePattern) {
    wxBrush br;
    if (surfacePattern.bitmap)
        br = wxBrush(*surfacePattern.bitmap);
    else    // Something is wrong so display in red
        br = wxBrush(*wxRED, wxSOLID);
    hdc->SetPen(*wxTRANSPARENT_PEN);
    hdc->SetBrush(br);
    hdc->DrawRectangle(wxRectFromPRectangle(rc));
}

void Surface::RoundedRectangle(PRectangle rc, Colour fore, Colour back) {
    PenColour(fore);
    BrushColor(back);
    hdc->DrawRoundedRectangle(wxRectFromPRectangle(rc), 4);
}

void Surface::Ellipse(PRectangle rc, Colour fore, Colour back) {
    PenColour(fore);
    BrushColor(back);
    hdc->DrawEllipse(wxRectFromPRectangle(rc));
}

void Surface::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
    wxRect r = wxRectFromPRectangle(rc);
    hdc->Blit(r.x, r.y, r.width, r.height,
              surfaceSource.hdc, from.x, from.y, wxCOPY);
}

void Surface::DrawText(PRectangle rc, Font &font, int ybase,
                       const char *s, int len, Colour fore, Colour back) {
    SetFont(font);
    hdc->SetTextForeground(fore.co);
    hdc->SetTextBackground(back.co);
    FillRectangle(rc, back);

    // ybase is where the baseline should be, but wxWin uses the upper left
    // corner, so I need to calculate the real position for the text...
    hdc->DrawText(wxString(s, len), rc.left, ybase - font.ascent);
}

void Surface::DrawTextClipped(PRectangle rc, Font &font, int ybase, const char *s, int len, Colour fore, Colour back) {
    SetFont(font);
    hdc->SetTextForeground(fore.co);
    hdc->SetTextBackground(back.co);
    FillRectangle(rc, back);
    hdc->SetClippingRegion(wxRectFromPRectangle(rc));

    // see comments above
    hdc->DrawText(wxString(s, len), rc.left, ybase - font.ascent);
    hdc->DestroyClippingRegion();
}

int Surface::WidthText(Font &font, const char *s, int len) {
    SetFont(font);
    int w;
    int h;
    hdc->GetTextExtent(wxString(s, len), &w, &h);
    return w;
}

void Surface::MeasureWidths(Font &font, const char *s, int len, int *positions) {
    SetFont(font);
    int totalWidth = 0;
    for (int i=0; i<len; i++) {
        int w;
        int h;
        hdc->GetTextExtent(s[i], &w, &h);
        totalWidth += w;
        positions[i] = totalWidth;
    }
}

int Surface::WidthChar(Font &font, char ch) {
    SetFont(font);
    int w;
    int h;
    hdc->GetTextExtent(ch, &w, &h);
    return w;
}

#define EXTENT_TEST " `~!@#$%^&*()-_=+\\|[]{};:\"\'<,>.?/1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"

int Surface::Ascent(Font &font) {
    SetFont(font);
    int w, h, d, e;
    hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
    font.ascent = h - d;
    return font.ascent;
}

int Surface::Descent(Font &font) {
    SetFont(font);
    int w, h, d, e;
    hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
    return d;
}

int Surface::InternalLeading(Font &font) {
    return 0;
}

int Surface::ExternalLeading(Font &font) {
    SetFont(font);
    int w, h, d, e;
    hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
    return e;
}

int Surface::Height(Font &font) {
    SetFont(font);
    return hdc->GetCharHeight();
}

int Surface::AverageCharWidth(Font &font) {
    SetFont(font);
    return hdc->GetCharWidth();
}

int Surface::SetPalette(Palette *pal, bool inBackGround) {
    return 0;  // **** figure out what to do with palettes...
}

void Surface::SetClip(PRectangle rc) {
    hdc->SetClippingRegion(wxRectFromPRectangle(rc));
}

void Surface::FlushCachedState() {
}

Window::~Window() {
}

void Window::Destroy() {
    if (id)
        id->Destroy();
    id = 0;
}

bool Window::HasFocus() {
    return wxWindow::FindFocus() == id;
}

PRectangle Window::GetPosition() {
    wxRect rc(id->GetPosition(), id->GetSize());
    return PRectangleFromwxRect(rc);
}

void Window::SetPosition(PRectangle rc) {
    wxRect r = wxRectFromPRectangle(rc);
    id->SetSize(r);
}

void Window::SetPositionRelative(PRectangle rc, Window) {
    SetPosition(rc);  // ????
}

PRectangle Window::GetClientPosition() {
    wxSize sz = id->GetClientSize();
    return  PRectangle(0, 0, sz.x, sz.y);
}

void Window::Show(bool show) {
    id->Show(show);
}

void Window::InvalidateAll() {
    id->Refresh(false);
}

void Window::InvalidateRectangle(PRectangle rc) {
    wxRect r = wxRectFromPRectangle(rc);
    id->Refresh(false, &r);
}

void Window::SetFont(Font &font) {
    id->SetFont(*font.GetID());
}

void Window::SetCursor(Cursor curs) {
    int cursorId;

    switch (curs) {
    case cursorText:
        cursorId = wxCURSOR_IBEAM;
        break;
    case cursorArrow:
        cursorId = wxCURSOR_ARROW;
        break;
    case cursorUp:
        cursorId = wxCURSOR_ARROW; // ** no up arrow...  wxCURSOR_UPARROW;
        break;
    case cursorWait:
        cursorId = wxCURSOR_WAIT;
        break;
    case cursorHoriz:
        cursorId = wxCURSOR_SIZEWE;
        break;
    case cursorVert:
        cursorId = wxCURSOR_SIZENS;
        break;
    case cursorReverseArrow:
        cursorId = wxCURSOR_POINT_RIGHT;
        break;
    default:
        cursorId = wxCURSOR_ARROW;
        break;
    }

    id->SetCursor(wxCursor(cursorId));
}


void Window::SetTitle(const char *s) {
    id->SetTitle(s);
}


class wxSTCListBox : public wxListBox {
public:
    wxSTCListBox(wxWindow* parent, wxWindowID id)
        : wxListBox(parent, id, wxDefaultPosition, wxDefaultSize,
                    0, NULL, wxLB_SINGLE | wxLB_SORT | wxSIMPLE_BORDER)
        {}

    void OnFocus(wxFocusEvent& event) {
        GetParent()->SetFocus();
        event.Skip();
    }

#ifdef __WXGTK__
    void DoSetFirstItem(int n);
#endif

private:
    DECLARE_EVENT_TABLE()
};

BEGIN_EVENT_TABLE(wxSTCListBox, wxListBox)
    EVT_SET_FOCUS(wxSTCListBox::OnFocus)
END_EVENT_TABLE()


#ifdef __WXGTK__
    // This can be removed after 2.2.2 I think
void wxSTCListBox::DoSetFirstItem( int n )
{
    wxCHECK_RET( m_list, wxT("invalid listbox") );

    if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list))
        return;

    // terribly efficient
    const gchar *vadjustment_key = "gtk-vadjustment";
    guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key);

    GtkAdjustment *adjustment =
       (GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id);
    wxCHECK_RET( adjustment, wxT("invalid listbox code") );

    GList *target = g_list_nth( m_list->children, n );
    wxCHECK_RET( target, wxT("invalid listbox index") );

    GtkWidget *item = GTK_WIDGET(target->data);
    wxCHECK_RET( item, wxT("invalid listbox code") );

    // find the last item before this one which is already realized
    size_t nItemsBefore;
    for ( nItemsBefore = 0; item && (item->allocation.y == -1); nItemsBefore++ )
    {
        target = target->prev;
        if ( !target )
        {
            // nothing we can do if there are no allocated items yet
            return;
        }

        item = GTK_WIDGET(target->data);
    }

    gtk_adjustment_set_value(adjustment,
                             item->allocation.y +
                                nItemsBefore*item->allocation.height);
}
#endif


ListBox::ListBox() {
}

ListBox::~ListBox() {
}

void ListBox::Create(Window &parent, int ctrlID) {
    id = new wxSTCListBox(parent.id, ctrlID);
//    id = new wxListBox(parent.id, ctrlID,  wxDefaultPosition, wxDefaultSize,
//                       0, NULL, wxLB_SINGLE | wxLB_SORT | wxSIMPLE_BORDER);
}

PRectangle ListBox::GetDesiredRect() {
    wxSize sz = ((wxListBox*)id)->GetBestSize();
    PRectangle rc;
    rc.top = 0;
    rc.left = 0;
    if (sz.x > 150)   // TODO: A better way to determine these max sizes
        sz.x = 150;
    if (sz.y > 100)
        sz.y = 100;
    rc.right = sz.x;
    rc.bottom = sz.y;

    return rc;
}

void ListBox::SetAverageCharWidth(int width) {
    aveCharWidth = width;
}

void ListBox::SetFont(Font &font) {
    Window::SetFont(font);
}

void ListBox::Clear() {
    ((wxListBox*)id)->Clear();
}

void ListBox::Append(char *s) {
    ((wxListBox*)id)->Append(s);
}

int ListBox::Length() {
    return ((wxListBox*)id)->Number();
}

void ListBox::Select(int n) {
    ((wxListBox*)id)->SetSelection(n);
#ifdef __WXGTK__
    if (n > 4)
        n = n - 4;
    else
        n = 1;
    ((wxListBox*)id)->SetFirstItem(n);
#endif
}

int ListBox::GetSelection() {
    return ((wxListBox*)id)->GetSelection();
}

int ListBox::Find(const char *prefix) {
    if (prefix) {
        for (int x=0; x < ((wxListBox*)id)->Number(); x++) {
            wxString text = ((wxListBox*)id)->GetString(x);
            if (text.StartsWith(prefix))
                return x;
        }
    }
    return -1;
}

void ListBox::GetValue(int n, char *value, int len) {
    wxString text = ((wxListBox*)id)->GetString(n);
    strncpy(value, text.c_str(), len);
    value[len-1] = '\0';
}

void ListBox::Sort() {
    // wxWindows keeps sorted so no need to sort
}


Menu::Menu() : id(0) {
}

void Menu::CreatePopUp() {
    Destroy();
    id = new wxMenu();
}

void Menu::Destroy() {
    if (id)
        delete id;
    id = 0;
}

void Menu::Show(Point pt, Window &w) {
    w.GetID()->PopupMenu(id, pt.x - 4, pt.y);
    Destroy();
}


Colour Platform::Chrome() {
    wxColour c;
    c = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
    return Colour(c.Red(), c.Green(), c.Blue());
}

Colour Platform::ChromeHighlight() {
    wxColour c;
    c = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHIGHLIGHT);
    return Colour(c.Red(), c.Green(), c.Blue());
}

const char *Platform::DefaultFont() {
    return wxNORMAL_FONT->GetFaceName();
}

int Platform::DefaultFontSize() {
    return 8;
}

unsigned int Platform::DoubleClickTime() {
    return 500;   // **** ::GetDoubleClickTime();
}

void Platform::DebugDisplay(const char *s) {
    wxLogDebug(s);
}

bool Platform::IsKeyDown(int key) {
    return false;  // I don't think we'll need this.
}

long Platform::SendScintilla(WindowID w,
                             unsigned int msg,
                             unsigned long wParam,
                             long lParam) {

    wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
    return stc->SendMsg(msg, wParam, lParam);
}


// These are utility functions not really tied to a platform

int Platform::Minimum(int a, int b) {
    if (a < b)
        return a;
    else
        return b;
}

int Platform::Maximum(int a, int b) {
    if (a > b)
        return a;
    else
        return b;
}

#define TRACE

void Platform::DebugPrintf(const char *format, ...) {
#ifdef TRACE
    char buffer[2000];
    va_list pArguments;
    va_start(pArguments, format);
    vsprintf(buffer,format,pArguments);
    va_end(pArguments);
    Platform::DebugDisplay(buffer);
#endif
}

int Platform::Clamp(int val, int minVal, int maxVal) {
    if (val > maxVal)
        val = maxVal;
    if (val < minVal)
        val = minVal;
    return val;
}
Commit	Line	Data
9ce192d4 RD	1	// Scintilla source code edit control
	2	// PlatWX.cxx - implementation of platform facilities on wxWindows
	3	// Copyright 1998-1999 by Neil Hodgson <neilh@scintilla.org>
	4	// Robin Dunn <robin@aldunn.com>
	5	// The License.txt file describes the conditions under which this software may be distributed.
	6
f6bcfd97	7	#include <ctype.h>
9ce192d4 RD	8
	9	#include "Platform.h"
	10	#include "wx/stc/stc.h"
	11
f97d84a6 RD	12
	13	#ifdef __WXGTK__
	14	#include <gtk/gtk.h>
	15	#endif
	16
9ce192d4	17	Point Point::FromLong(long lpoint) {
f6bcfd97	18	return Point(lpoint & 0xFFFF, lpoint >> 16);
9ce192d4 RD	19	}
	20
	21	wxRect wxRectFromPRectangle(PRectangle prc) {
	22	wxRect rc(prc.left, prc.top,
21156596	23	prc.right-prc.left, prc.bottom-prc.top);
9ce192d4 RD	24	return rc;
	25	}
	26
	27	PRectangle PRectangleFromwxRect(wxRect rc) {
	28	return PRectangle(rc.GetLeft(), rc.GetTop(), rc.GetRight(), rc.GetBottom());
	29	}
	30
	31	Colour::Colour(long lcol) {
	32	co.Set(lcol & 0xff, (lcol >> 8) & 0xff, (lcol >> 16) & 0xff);
	33	}
	34
	35	Colour::Colour(unsigned int red, unsigned int green, unsigned int blue) {
	36	co.Set(red, green, blue);
	37	}
	38
	39	bool Colour::operator==(const Colour &other) const {
	40	return co == other.co;
	41	}
	42
	43	long Colour::AsLong() const {
	44	return (((long)co.Blue() << 16) \|
	45	((long)co.Green() << 8) \|
	46	((long)co.Red()));
	47	}
	48
	49	unsigned int Colour::GetRed() {
	50	return co.Red();
	51	}
	52
	53	unsigned int Colour::GetGreen() {
	54	return co.Green();
	55	}
	56
	57	unsigned int Colour::GetBlue() {
	58	return co.Blue();
	59	}
	60
	61	Palette::Palette() {
	62	used = 0;
	63	allowRealization = false;
	64	}
	65
	66	Palette::~Palette() {
	67	Release();
	68	}
	69
	70	void Palette::Release() {
	71	used = 0;
	72	}
	73
	74	// This method either adds a colour to the list of wanted colours (want==true)
	75	// or retrieves the allocated colour back to the ColourPair.
	76	// This is one method to make it easier to keep the code for wanting and retrieving in sync.
	77	void Palette::WantFind(ColourPair &cp, bool want) {
	78	if (want) {
	79	for (int i=0; i < used; i++) {
	80	if (entries[i].desired == cp.desired)
	81	return;
	82	}
	83
	84	if (used < numEntries) {
	85	entries[used].desired = cp.desired;
	86	entries[used].allocated = cp.desired;
	87	used++;
88	}
89	} else {
90	for (int i=0; i < used; i++) {
91	if (entries[i].desired == cp.desired) {
92	cp.allocated = entries[i].allocated;
93	return;
94	}
95	}
96	cp.allocated = cp.desired;
97	}
98	}
99
100	void Palette::Allocate(Window &) {
101	if (allowRealization) {
102	}
103	}
104
105
106	Font::Font() {
107	id = 0;
108	ascent = 0;
109	}
110
111	Font::~Font() {
112	}
113
f6bcfd97	114	void Font::Create(const char *faceName, int characterSet, int size, bool bold, bool italic) {
9ce192d4 RD	115	Release();
	116	id = new wxFont(size,
	117	wxDEFAULT,
	118	italic ? wxITALIC : wxNORMAL,
	119	bold ? wxBOLD : wxNORMAL,
	120	false,
f6bcfd97 BP	121	faceName,
f6bcfd97 BP	122	wxFONTENCODING_DEFAULT);
9ce192d4 RD	123	}
	124
	125
	126	void Font::Release() {
	127	if (id)
	128	delete id;
	129	id = 0;
	130	}
	131
	132
	133	Surface::Surface() :
	134	hdc(0), hdcOwned(0), bitmap(0),
	135	x(0), y(0) {
	136	}
	137
	138	Surface::~Surface() {
	139	Release();
	140	}
	141
	142	void Surface::Release() {
	143	if (bitmap) {
	144	((wxMemoryDC*)hdc)->SelectObject(wxNullBitmap);
	145	delete bitmap;
	146	bitmap = 0;
	147	}
	148	if (hdcOwned) {
	149	delete hdc;
	150	hdc = 0;
	151	hdcOwned = false;
	152	}
	153	}
	154
	155
	156	bool Surface::Initialised() {
	157	return hdc != 0;
	158	}
	159
	160	void Surface::Init() {
	161	Release();
	162	hdc = new wxMemoryDC();
	163	hdcOwned = true;
	164	// **** ::SetTextAlign(hdc, TA_BASELINE);
	165	}
	166
	167	void Surface::Init(SurfaceID hdc_) {
	168	Release();
	169	hdc = hdc_;
	170	// **** ::SetTextAlign(hdc, TA_BASELINE);
	171	}
	172
	173	void Surface::InitPixMap(int width, int height, Surface *surface_) {
	174	Release();
	175	hdc = new wxMemoryDC(surface_->hdc);
	176	hdcOwned = true;
21156596	177	bitmap = new wxBitmap(width, height);
9ce192d4 RD	178	((wxMemoryDC)hdc)->SelectObject(bitmap);
	179	// **** ::SetTextAlign(hdc, TA_BASELINE);
	180	}
	181
	182	void Surface::PenColour(Colour fore) {
	183	hdc->SetPen(wxPen(fore.co, 1, wxSOLID));
	184	}
	185
	186	void Surface::BrushColor(Colour back) {
	187	hdc->SetBrush(wxBrush(back.co, wxSOLID));
	188	}
	189
	190	void Surface::SetFont(Font &font_) {
21156596	191	if (font_.GetID()) {
f6bcfd97 BP	192	hdc->SetFont(*font_.GetID());
f6bcfd97 BP	193	}
9ce192d4 RD	194	}
	195
	196	int Surface::LogPixelsY() {
	197	return hdc->GetPPI().y;
	198	}
	199
f6bcfd97 BP	200
	201	int Surface::DeviceHeightFont(int points) {
	202	return points * LogPixelsY() / 72;
	203	}
	204
	205
9ce192d4 RD	206	void Surface::MoveTo(int x_, int y_) {
	207	x = x_;
	208	y = y_;
	209	}
	210
	211	void Surface::LineTo(int x_, int y_) {
	212	hdc->DrawLine(x,y, x_,y_);
	213	x = x_;
	214	y = y_;
	215	}
	216
	217	void Surface::Polygon(Point *pts, int npts, Colour fore,
	218	Colour back) {
	219	PenColour(fore);
	220	BrushColor(back);
	221	hdc->DrawPolygon(npts, (wxPoint*)pts);
	222	}
	223
	224	void Surface::RectangleDraw(PRectangle rc, Colour fore, Colour back) {
	225	PenColour(fore);
	226	BrushColor(back);
	227	hdc->DrawRectangle(wxRectFromPRectangle(rc));
	228	}
	229
	230	void Surface::FillRectangle(PRectangle rc, Colour back) {
	231	BrushColor(back);
	232	hdc->SetPen(*wxTRANSPARENT_PEN);
	233	hdc->DrawRectangle(wxRectFromPRectangle(rc));
	234	}
	235
	236	void Surface::FillRectangle(PRectangle rc, Surface &surfacePattern) {
	237	wxBrush br;
	238	if (surfacePattern.bitmap)
	239	br = wxBrush(*surfacePattern.bitmap);
	240	else // Something is wrong so display in red
	241	br = wxBrush(*wxRED, wxSOLID);
	242	hdc->SetPen(*wxTRANSPARENT_PEN);
	243	hdc->SetBrush(br);
	244	hdc->DrawRectangle(wxRectFromPRectangle(rc));
	245	}
	246
	247	void Surface::RoundedRectangle(PRectangle rc, Colour fore, Colour back) {
	248	PenColour(fore);
	249	BrushColor(back);
f6bcfd97	250	hdc->DrawRoundedRectangle(wxRectFromPRectangle(rc), 4);
9ce192d4 RD	251	}
	252
	253	void Surface::Ellipse(PRectangle rc, Colour fore, Colour back) {
	254	PenColour(fore);
	255	BrushColor(back);
	256	hdc->DrawEllipse(wxRectFromPRectangle(rc));
	257	}
	258
	259	void Surface::Copy(PRectangle rc, Point from, Surface &surfaceSource) {
f6bcfd97 BP	260	wxRect r = wxRectFromPRectangle(rc);
f6bcfd97 BP	261	hdc->Blit(r.x, r.y, r.width, r.height,
9ce192d4 RD	262	surfaceSource.hdc, from.x, from.y, wxCOPY);
	263	}
	264
	265	void Surface::DrawText(PRectangle rc, Font &font, int ybase,
	266	const char *s, int len, Colour fore, Colour back) {
	267	SetFont(font);
	268	hdc->SetTextForeground(fore.co);
	269	hdc->SetTextBackground(back.co);
	270	FillRectangle(rc, back);
	271
	272	// ybase is where the baseline should be, but wxWin uses the upper left
	273	// corner, so I need to calculate the real position for the text...
	274	hdc->DrawText(wxString(s, len), rc.left, ybase - font.ascent);
	275	}
	276
	277	void Surface::DrawTextClipped(PRectangle rc, Font &font, int ybase, const char *s, int len, Colour fore, Colour back) {
	278	SetFont(font);
	279	hdc->SetTextForeground(fore.co);
	280	hdc->SetTextBackground(back.co);
	281	FillRectangle(rc, back);
	282	hdc->SetClippingRegion(wxRectFromPRectangle(rc));
	283
	284	// see comments above
	285	hdc->DrawText(wxString(s, len), rc.left, ybase - font.ascent);
	286	hdc->DestroyClippingRegion();
	287	}
	288
	289	int Surface::WidthText(Font &font, const char *s, int len) {
	290	SetFont(font);
	291	int w;
	292	int h;
	293	hdc->GetTextExtent(wxString(s, len), &w, &h);
	294	return w;
	295	}
	296
	297	void Surface::MeasureWidths(Font &font, const char s, int len, int positions) {
	298	SetFont(font);
	299	int totalWidth = 0;
	300	for (int i=0; i<len; i++) {
	301	int w;
	302	int h;
	303	hdc->GetTextExtent(s[i], &w, &h);
	304	totalWidth += w;
	305	positions[i] = totalWidth;
	306	}
	307	}
	308
	309	int Surface::WidthChar(Font &font, char ch) {
	310	SetFont(font);
	311	int w;
	312	int h;
	313	hdc->GetTextExtent(ch, &w, &h);
	314	return w;
	315	}
	316
	317	#define EXTENT_TEST " `~!@#$%^&*()-_=+\\\|[]{};:\"\'<,>.?/1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
	318
	319	int Surface::Ascent(Font &font) {
	320	SetFont(font);
	321	int w, h, d, e;
	322	hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
	323	font.ascent = h - d;
	324	return font.ascent;
	325	}
326
327	int Surface::Descent(Font &font) {
328	SetFont(font);
329	int w, h, d, e;
330	hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
331	return d;
332	}
333
334	int Surface::InternalLeading(Font &font) {
335	return 0;
336	}
337
338	int Surface::ExternalLeading(Font &font) {
339	SetFont(font);
340	int w, h, d, e;
341	hdc->GetTextExtent(EXTENT_TEST, &w, &h, &d, &e);
342	return e;
343	}
344
345	int Surface::Height(Font &font) {
346	SetFont(font);
347	return hdc->GetCharHeight();
348	}
349
350	int Surface::AverageCharWidth(Font &font) {
351	SetFont(font);
352	return hdc->GetCharWidth();
353	}
354
355	int Surface::SetPalette(Palette *pal, bool inBackGround) {
356	return 0; // **** figure out what to do with palettes...
357	}
358
359	void Surface::SetClip(PRectangle rc) {
360	hdc->SetClippingRegion(wxRectFromPRectangle(rc));
361	}
362
f6bcfd97	363	void Surface::FlushCachedState() {
f6bcfd97	364	}
9ce192d4 RD	365
	366	Window::~Window() {
	367	}
	368
	369	void Window::Destroy() {
	370	if (id)
	371	id->Destroy();
	372	id = 0;
	373	}
	374
	375	bool Window::HasFocus() {
	376	return wxWindow::FindFocus() == id;
	377	}
	378
	379	PRectangle Window::GetPosition() {
	380	wxRect rc(id->GetPosition(), id->GetSize());
	381	return PRectangleFromwxRect(rc);
	382	}
	383
	384	void Window::SetPosition(PRectangle rc) {
f6bcfd97 BP	385	wxRect r = wxRectFromPRectangle(rc);
f6bcfd97 BP	386	id->SetSize(r);
9ce192d4 RD	387	}
	388
	389	void Window::SetPositionRelative(PRectangle rc, Window) {
	390	SetPosition(rc); // ????
	391	}
	392
	393	PRectangle Window::GetClientPosition() {
	394	wxSize sz = id->GetClientSize();
21156596	395	return PRectangle(0, 0, sz.x, sz.y);
9ce192d4 RD	396	}
	397
	398	void Window::Show(bool show) {
	399	id->Show(show);
	400	}
	401
	402	void Window::InvalidateAll() {
	403	id->Refresh(false);
	404	}
	405
	406	void Window::InvalidateRectangle(PRectangle rc) {
f6bcfd97 BP	407	wxRect r = wxRectFromPRectangle(rc);
f6bcfd97 BP	408	id->Refresh(false, &r);
9ce192d4 RD	409	}
	410
	411	void Window::SetFont(Font &font) {
	412	id->SetFont(*font.GetID());
	413	}
	414
	415	void Window::SetCursor(Cursor curs) {
	416	int cursorId;
	417
	418	switch (curs) {
	419	case cursorText:
	420	cursorId = wxCURSOR_IBEAM;
	421	break;
	422	case cursorArrow:
	423	cursorId = wxCURSOR_ARROW;
	424	break;
	425	case cursorUp:
	426	cursorId = wxCURSOR_ARROW; // ** no up arrow... wxCURSOR_UPARROW;
	427	break;
	428	case cursorWait:
	429	cursorId = wxCURSOR_WAIT;
	430	break;
	431	case cursorHoriz:
	432	cursorId = wxCURSOR_SIZEWE;
	433	break;
	434	case cursorVert:
	435	cursorId = wxCURSOR_SIZENS;
	436	break;
	437	case cursorReverseArrow:
	438	cursorId = wxCURSOR_POINT_RIGHT;
	439	break;
	440	default:
	441	cursorId = wxCURSOR_ARROW;
	442	break;
	443	}
	444
	445	id->SetCursor(wxCursor(cursorId));
	446	}
	447
	448
	449	void Window::SetTitle(const char *s) {
	450	id->SetTitle(s);
	451	}
	452
	453
f97d84a6 RD	454	class wxSTCListBox : public wxListBox {
	455	public:
	456	wxSTCListBox(wxWindow* parent, wxWindowID id)
	457	: wxListBox(parent, id, wxDefaultPosition, wxDefaultSize,
	458	0, NULL, wxLB_SINGLE \| wxLB_SORT \| wxSIMPLE_BORDER)
	459	{}
	460
	461	void OnFocus(wxFocusEvent& event) {
	462	GetParent()->SetFocus();
	463	event.Skip();
	464	}
	465
	466	#ifdef __WXGTK__
	467	void DoSetFirstItem(int n);
	468	#endif
	469
	470	private:
	471	DECLARE_EVENT_TABLE()
	472	};
	473
	474	BEGIN_EVENT_TABLE(wxSTCListBox, wxListBox)
	475	EVT_SET_FOCUS(wxSTCListBox::OnFocus)
	476	END_EVENT_TABLE()
	477
	478
	479
	480
	481	#ifdef __WXGTK__
	482	// This can be removed after 2.2.2 I think
	483	void wxSTCListBox::DoSetFirstItem( int n )
	484	{
	485	wxCHECK_RET( m_list, wxT("invalid listbox") );
	486
	487	if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list))
	488	return;
	489
	490	// terribly efficient
	491	const gchar *vadjustment_key = "gtk-vadjustment";
	492	guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key);
	493
	494	GtkAdjustment *adjustment =
	495	(GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id);
	496	wxCHECK_RET( adjustment, wxT("invalid listbox code") );
	497
	498	GList *target = g_list_nth( m_list->children, n );
	499	wxCHECK_RET( target, wxT("invalid listbox index") );
	500
	501	GtkWidget *item = GTK_WIDGET(target->data);
	502	wxCHECK_RET( item, wxT("invalid listbox code") );
	503
	504	// find the last item before this one which is already realized
	505	size_t nItemsBefore;
	506	for ( nItemsBefore = 0; item && (item->allocation.y == -1); nItemsBefore++ )
	507	{
	508	target = target->prev;
	509	if ( !target )
	510	{
	511	// nothing we can do if there are no allocated items yet
	512	return;
	513	}
	514
	515	item = GTK_WIDGET(target->data);
	516	}
	517
518	gtk_adjustment_set_value(adjustment,
519	item->allocation.y +
520	nItemsBefore*item->allocation.height);
521	}
522	#endif
523
9ce192d4 RD	524
	525	ListBox::ListBox() {
	526	}
	527
	528	ListBox::~ListBox() {
	529	}
	530
	531	void ListBox::Create(Window &parent, int ctrlID) {
f97d84a6 RD	532	id = new wxSTCListBox(parent.id, ctrlID);
	533	// id = new wxListBox(parent.id, ctrlID, wxDefaultPosition, wxDefaultSize,
	534	// 0, NULL, wxLB_SINGLE \| wxLB_SORT \| wxSIMPLE_BORDER);
9ce192d4 RD	535	}
9ce192d4 RD	536
d134f170 RD	537	PRectangle ListBox::GetDesiredRect() {
	538	wxSize sz = ((wxListBox*)id)->GetBestSize();
	539	PRectangle rc;
	540	rc.top = 0;
	541	rc.left = 0;
f97d84a6 RD	542	if (sz.x > 150) // TODO: A better way to determine these max sizes
	543	sz.x = 150;
	544	if (sz.y > 100)
	545	sz.y = 100;
d134f170 RD	546	rc.right = sz.x;
	547	rc.bottom = sz.y;
	548
	549	return rc;
	550	}
	551
	552	void ListBox::SetAverageCharWidth(int width) {
	553	aveCharWidth = width;
	554	}
	555
	556	void ListBox::SetFont(Font &font) {
	557	Window::SetFont(font);
	558	}
	559
9ce192d4 RD	560	void ListBox::Clear() {
	561	((wxListBox*)id)->Clear();
	562	}
	563
	564	void ListBox::Append(char *s) {
	565	((wxListBox*)id)->Append(s);
	566	}
	567
	568	int ListBox::Length() {
	569	return ((wxListBox*)id)->Number();
	570	}
	571
	572	void ListBox::Select(int n) {
	573	((wxListBox*)id)->SetSelection(n);
f97d84a6 RD	574	#ifdef __WXGTK__
	575	if (n > 4)
	576	n = n - 4;
	577	else
	578	n = 1;
	579	((wxListBox*)id)->SetFirstItem(n);
	580	#endif
9ce192d4 RD	581	}
	582
	583	int ListBox::GetSelection() {
	584	return ((wxListBox*)id)->GetSelection();
	585	}
	586
	587	int ListBox::Find(const char *prefix) {
21156596 RD	588	if (prefix) {
	589	for (int x=0; x < ((wxListBox*)id)->Number(); x++) {
	590	wxString text = ((wxListBox*)id)->GetString(x);
	591	if (text.StartsWith(prefix))
	592	return x;
	593	}
f6bcfd97 BP	594	}
f6bcfd97 BP	595	return -1;
9ce192d4 RD	596	}
	597
	598	void ListBox::GetValue(int n, char *value, int len) {
	599	wxString text = ((wxListBox*)id)->GetString(n);
	600	strncpy(value, text.c_str(), len);
	601	value[len-1] = '\0';
	602	}
	603
	604	void ListBox::Sort() {
	605	// wxWindows keeps sorted so no need to sort
	606	}
	607
	608
	609	Menu::Menu() : id(0) {
	610	}
	611
	612	void Menu::CreatePopUp() {
	613	Destroy();
	614	id = new wxMenu();
	615	}
	616
	617	void Menu::Destroy() {
	618	if (id)
	619	delete id;
	620	id = 0;
	621	}
	622
	623	void Menu::Show(Point pt, Window &w) {
	624	w.GetID()->PopupMenu(id, pt.x - 4, pt.y);
	625	Destroy();
	626	}
	627
	628
	629	Colour Platform::Chrome() {
	630	wxColour c;
	631	c = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
	632	return Colour(c.Red(), c.Green(), c.Blue());
	633	}
	634
	635	Colour Platform::ChromeHighlight() {
	636	wxColour c;
	637	c = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHIGHLIGHT);
	638	return Colour(c.Red(), c.Green(), c.Blue());
	639	}
	640
	641	const char *Platform::DefaultFont() {
	642	return wxNORMAL_FONT->GetFaceName();
	643	}
	644
	645	int Platform::DefaultFontSize() {
	646	return 8;
	647	}
	648
	649	unsigned int Platform::DoubleClickTime() {
	650	return 500; // **** ::GetDoubleClickTime();
	651	}
	652
	653	void Platform::DebugDisplay(const char *s) {
	654	wxLogDebug(s);
	655	}
	656
	657	bool Platform::IsKeyDown(int key) {
	658	return false; // I don't think we'll need this.
	659	}
660
661	long Platform::SendScintilla(WindowID w,
662	unsigned int msg,
663	unsigned long wParam,
664	long lParam) {
665
666	wxStyledTextCtrl* stc = (wxStyledTextCtrl*)w;
667	return stc->SendMsg(msg, wParam, lParam);
668	}
669
670
671	// These are utility functions not really tied to a platform
672
673	int Platform::Minimum(int a, int b) {
674	if (a < b)
675	return a;
676	else
677	return b;
678	}
679
680	int Platform::Maximum(int a, int b) {
681	if (a > b)
682	return a;
683	else
684	return b;
685	}
686
687	#define TRACE
688
689	void Platform::DebugPrintf(const char *format, ...) {
690	#ifdef TRACE
691	char buffer[2000];
692	va_list pArguments;
693	va_start(pArguments, format);
694	vsprintf(buffer,format,pArguments);
695	va_end(pArguments);
696	Platform::DebugDisplay(buffer);
697	#endif
698	}
699
700	int Platform::Clamp(int val, int minVal, int maxVal) {
701	if (val > maxVal)
702	val = maxVal;
703	if (val < minVal)
704	val = minVal;
705	return val;
706	}
707
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