X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/32b8ec418aee4e38877d4cb79e2984c766dcc358..dbcbe229628c7667da2b6257198467d4f09ab28d:/src/mgl/window.cpp?ds=sidebyside diff --git a/src/mgl/window.cpp b/src/mgl/window.cpp index 030db27f2d..7e63e26d4b 100644 --- a/src/mgl/window.cpp +++ b/src/mgl/window.cpp @@ -1,33 +1,1064 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: gtk/window.cpp -// Purpose: -// Author: Robert Roebling -// Id: $Id$ -// Copyright: (c) 1998 Robert Roebling, Julian Smart -// Licence: wxWindows licence +// Name: src/mgl/window.cpp +// Purpose: wxWindow +// Author: Vaclav Slavik +// (based on GTK & MSW implementations) +// RCS-ID: $Id$ +// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// =========================================================================== +// declarations +// =========================================================================== + +// --------------------------------------------------------------------------- +// headers +// --------------------------------------------------------------------------- #ifdef __GNUG__ #pragma implementation "window.h" #endif -#include "wx/defs.h" -#include "wx/window.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + +#ifndef WX_PRECOMP + #include "wx/window.h" + #include "wx/accel.h" + #include "wx/setup.h" + #include "wx/dc.h" + #include "wx/dcclient.h" + #include "wx/utils.h" + #include "wx/app.h" + #include "wx/panel.h" + #include "wx/caret.h" +#endif + +#if wxUSE_DRAG_AND_DROP + #include "wx/dnd.h" +#endif + +#include "wx/log.h" +#include "wx/sysopt.h" +#include "wx/mgl/private.h" +#include "wx/intl.h" +#include "wx/dcscreen.h" + +#include + +#if wxUSE_TOOLTIPS + #include "wx/tooltip.h" +#endif + +// --------------------------------------------------------------------------- +// global variables +// --------------------------------------------------------------------------- + +// MGL window manager and associated DC. +winmng_t *g_winMng = NULL; +MGLDevCtx *g_displayDC = NULL; + +// the window that has keyboard focus: +static wxWindowMGL *g_focusedWindow = NULL; +// the window that is currently under mouse cursor: +static wxWindowMGL *g_windowUnderMouse = NULL; + +// --------------------------------------------------------------------------- +// constants +// --------------------------------------------------------------------------- + +// Custom identifiers used to distinguish between various event handlers +// and capture handlers passed to MGL_wm +enum +{ + wxMGL_CAPTURE_MOUSE = 1, + wxMGL_CAPTURE_KEYB = 2 +}; + + +// --------------------------------------------------------------------------- +// private functions +// --------------------------------------------------------------------------- + +// wxCreateMGL_WM creates MGL display DC and associates it with winmng_t +// structure. Dimensions and depth of the DC are fetched from wxSystemOptions +// object. +// This function is *not* called from wxApp's initialization but rather at +// the time when WM is needed, i.e. when first wxWindow is created. This +// has two important effects: +// a) it is possible to write windowless wxMGL apps +// b) the app has plenty of time in wxApp::OnInit to feed wxSystemOptions +// with desired settings + +// FIXME_MGL -- move to app.cpp?? +static void wxDesktopPainter(window_t *wnd, MGLDC *dc) +{ + // FIXME_MGL - for now... + MGL_setColorRGB(0x63, 0x63, 0x96); + MGL_fillRectCoord(0, 0, wnd->width, wnd->height); +} + + +bool wxCreateMGL_WM() +{ + int mode; + int width = 640, height = 480, depth = 16; + int refresh = MGL_DEFAULT_REFRESH; + +#if wxUSE_SYSTEM_OPTIONS + // FIXME_MGL -- so what is The Proper Way? + if ( wxSystemOptions::HasOption(wxT("mgl.screen-width") ) + width = wxSystemOptions::GetOptionInt(wxT("mgl.screen-width")); + if ( wxSystemOptions::HasOption(wxT("mgl.screen-height") ) + height = wxSystemOptions::GetOptionInt(wxT("mgl.screen-height")); + if ( wxSystemOptions::HasOption(wxT("mgl.screen-depth") ) + depth = wxSystemOptions::GetOptionInt(wxT("mgl.screen-depth")); + if ( wxSystemOptions::HasOption(wxT("mgl.screen-refresh") ) + refresh = wxSystemOptions::GetOptionInt(wxT("mgl.screen-refresh")); +#endif + + mode = MGL_findMode(width, height, depth); + if ( mode == -1 ) + { + wxLogWarning(_("Mode %ix%i-%i not available, falling back to default mode."), width, height, depth); + mode = 0; // always available + } + g_displayDC = new MGLDisplayDC(mode, 1, refresh); + if ( !g_displayDC->isValid() ) + { + delete g_displayDC; + g_displayDC = NULL; + return FALSE; + } + + g_winMng = MGL_wmCreate(g_displayDC->getDC()); + if (!g_winMng) + return FALSE; + + MGL_wmSetWindowPainter(MGL_wmGetRootWindow(g_winMng), wxDesktopPainter); + + return TRUE; +} + +void wxDestroyMGL_WM() +{ + if ( g_winMng ) + { + MGL_wmDestroy(g_winMng); + g_winMng = NULL; + } + if ( g_displayDC ) + { + delete g_displayDC; + g_displayDC = NULL; + } +} + +// --------------------------------------------------------------------------- +// MGL_WM hooks: +// --------------------------------------------------------------------------- + +static void wxWindowPainter(window_t *wnd, MGLDC *dc) +{ + wxWindowMGL *w = (wxWindow*) wnd->userData; + if (w) + { + MGLDevCtx ctx(dc); + w->HandlePaint(&ctx); + } + // FIXME_MGL -- root window should be a regular window so that + // enter/leave and activate/deactivate events work correctly +} + +static ibool wxWindowMouseHandler(window_t *wnd, event_t *e) +{ + wxWindowMGL *win = (wxWindowMGL*)MGL_wmGetWindowUserData(wnd); + wxPoint where = win->ScreenToClient(wxPoint(e->where_x, e->where_y)); + + wxEventType type = wxEVT_NULL; + wxMouseEvent event; + event.SetEventObject(win); + event.SetTimestamp(e->when); + event.m_x = where.x; + event.m_y = where.y; + event.m_shiftDown = e->modifiers & EVT_SHIFTKEY; + event.m_controlDown = e->modifiers & EVT_CTRLSTATE; + event.m_altDown = e->modifiers & EVT_LEFTALT; + event.m_metaDown = e->modifiers & EVT_RIGHTALT; + event.m_leftDown = e->modifiers & EVT_LEFTBUT; + event.m_middleDown = e->modifiers & EVT_MIDDLEBUT; + event.m_rightDown = e->modifiers & EVT_RIGHTBUT; + + switch (e->what) + { + case EVT_MOUSEDOWN: + if ( e->message & EVT_LEFTBMASK ) + type = (e->message & EVT_DBLCLICK) ? + wxEVT_LEFT_DCLICK : wxEVT_LEFT_DOWN; + else if ( e->message & EVT_MIDDLEBMASK ) + type = (e->message & EVT_DBLCLICK) ? + wxEVT_MIDDLE_DCLICK : wxEVT_MIDDLE_DOWN; + else if ( e->message & EVT_RIGHTBMASK ) + type = (e->message & EVT_DBLCLICK) ? + wxEVT_RIGHT_DCLICK : wxEVT_RIGHT_DOWN; + break; + + case EVT_MOUSEUP: + if ( e->message & EVT_LEFTBMASK ) + type = wxEVT_LEFT_UP; + else if ( e->message & EVT_MIDDLEBMASK ) + type = wxEVT_MIDDLE_UP; + else if ( e->message & EVT_RIGHTBMASK ) + type = wxEVT_RIGHT_UP; + break; + + case EVT_MOUSEMOVE: + if ( win != g_windowUnderMouse ) + { + if ( g_windowUnderMouse ) + { + wxMouseEvent event2(event); + wxPoint where2 = g_windowUnderMouse->ScreenToClient( + wxPoint(e->where_x, e->where_y)); + event2.m_x = where2.x; + event2.m_y = where2.y; + event2.SetEventObject(g_windowUnderMouse); + event2.SetEventType(wxEVT_LEAVE_WINDOW); + g_windowUnderMouse->GetEventHandler()->ProcessEvent(event2); + } + + wxMouseEvent event3(event); + event3.SetEventType(wxEVT_ENTER_WINDOW); + win->GetEventHandler()->ProcessEvent(event3); + + g_windowUnderMouse = win; + } + + type = wxEVT_MOTION; + break; + + default: + break; + } + + if ( type == wxEVT_NULL ) + { + return FALSE; + } + else + { + event.SetEventType(type); + return win->GetEventHandler()->ProcessEvent(event); + } +} + +static long wxScanToKeyCode(event_t *event) +{ + #define KEY(mgl,wx) case mgl: key = wx; break; + + long key = 0; + switch ( EVT_scanCode(event->message) ) + { + KEY (KB_padEnter, WXK_NUMPAD_ENTER) + KEY (KB_padMinus, WXK_NUMPAD_SUBTRACT) + KEY (KB_padPlus, WXK_NUMPAD_ADD) + KEY (KB_padTimes, WXK_NUMPAD_MULTIPLY) + KEY (KB_padDivide, WXK_NUMPAD_DIVIDE) + KEY (KB_padLeft, WXK_NUMPAD_LEFT) + KEY (KB_padRight, WXK_NUMPAD_RIGHT) + KEY (KB_padUp, WXK_NUMPAD_UP) + KEY (KB_padDown, WXK_NUMPAD_DOWN) + KEY (KB_padInsert, WXK_NUMPAD_INSERT) + KEY (KB_padDelete, WXK_NUMPAD_DELETE) + KEY (KB_padHome, WXK_NUMPAD_HOME) + KEY (KB_padEnd, WXK_NUMPAD_END) + KEY (KB_padPageUp, WXK_NUMPAD_PAGEUP) + //KEY (KB_padPageUp, WXK_NUMPAD_PRIOR) + KEY (KB_padPageDown, WXK_NUMPAD_PAGEDOWN) + //KEY (KB_padPageDown, WXK_NUMPAD_NEXT) + KEY (KB_padCenter, WXK_NUMPAD_SEPARATOR) // ? + KEY (KB_F1, WXK_F1) + KEY (KB_F2, WXK_F2) + KEY (KB_F3, WXK_F3) + KEY (KB_F4, WXK_F4) + KEY (KB_F5, WXK_F5) + KEY (KB_F6, WXK_F6) + KEY (KB_F7, WXK_F7) + KEY (KB_F8, WXK_F8) + KEY (KB_F9, WXK_F9) + KEY (KB_F10, WXK_F10) + KEY (KB_F11, WXK_F11) + KEY (KB_F12, WXK_F12) + KEY (KB_left, WXK_LEFT) + KEY (KB_right, WXK_RIGHT) + KEY (KB_up, WXK_UP) + KEY (KB_down, WXK_DOWN) + KEY (KB_insert, WXK_INSERT) + KEY (KB_delete, WXK_DELETE) + KEY (KB_home, WXK_HOME) + KEY (KB_end, WXK_END) + KEY (KB_pageUp, WXK_PAGEUP) + KEY (KB_pageDown, WXK_PAGEDOWN) + KEY (KB_capsLock, WXK_CAPITAL) + KEY (KB_numLock, WXK_NUMLOCK) + KEY (KB_scrollLock, WXK_SCROLL) + KEY (KB_leftShift, WXK_SHIFT) + KEY (KB_rightShift, WXK_SHIFT) + KEY (KB_leftCtrl, WXK_CONTROL) + KEY (KB_rightCtrl, WXK_CONTROL) + KEY (KB_leftAlt, WXK_ALT) + KEY (KB_rightAlt, WXK_ALT) + KEY (KB_leftWindows, WXK_START) + KEY (KB_rightWindows, WXK_START) + KEY (KB_menu, WXK_MENU) + KEY (KB_sysReq, WXK_SNAPSHOT) + KEY (KB_esc, WXK_ESCAPE) + KEY (KB_1, '1') + KEY (KB_2, '2') + KEY (KB_3, '3') + KEY (KB_4, '4') + KEY (KB_5, '5') + KEY (KB_6, '6') + KEY (KB_7, '7') + KEY (KB_8, '8') + KEY (KB_9, '9') + KEY (KB_0, '0') + KEY (KB_minus, WXK_SUBTRACT) + KEY (KB_equals, WXK_ADD) + KEY (KB_backSlash, '\\') + KEY (KB_backspace, WXK_BACK) + KEY (KB_tab, WXK_TAB) + KEY (KB_Q, 'Q') + KEY (KB_W, 'W') + KEY (KB_E, 'E') + KEY (KB_R, 'R') + KEY (KB_T, 'T') + KEY (KB_Y, 'Y') + KEY (KB_U, 'U') + KEY (KB_I, 'I') + KEY (KB_O, 'O') + KEY (KB_P, 'P') + KEY (KB_leftSquareBrace,'[') + KEY (KB_rightSquareBrace,']') + KEY (KB_enter, WXK_RETURN) + KEY (KB_A, 'A') + KEY (KB_S, 'S') + KEY (KB_D, 'D') + KEY (KB_F, 'F') + KEY (KB_G, 'G') + KEY (KB_H, 'H') + KEY (KB_J, 'J') + KEY (KB_K, 'K') + KEY (KB_L, 'L') + KEY (KB_semicolon, ';') + KEY (KB_apostrophe, '\'') + KEY (KB_Z, 'Z') + KEY (KB_X, 'X') + KEY (KB_C, 'C') + KEY (KB_V, 'V') + KEY (KB_B, 'B') + KEY (KB_N, 'N') + KEY (KB_M, 'M') + KEY (KB_comma, ',') + KEY (KB_period, '.') + KEY (KB_divide, WXK_DIVIDE) + KEY (KB_space, WXK_SPACE) + KEY (KB_tilde, '~') + + default: + key = EVT_asciiCode(event->message); + break; + } + + return key; +} + +static long wxAsciiToKeyCode(event_t *event) +{ + return (long)EVT_asciiCode(event->message); +} + +static ibool wxWindowKeybHandler(window_t *wnd, event_t *e) +{ + wxEventType type = wxEVT_NULL; + wxWindowMGL *win = (wxWindowMGL*)MGL_wmGetWindowUserData(wnd); + wxPoint where = win->ScreenToClient(wxPoint(e->where_x, e->where_y)); + + wxKeyEvent event; + event.SetEventObject(win); + event.SetTimestamp(e->when); + event.m_keyCode = wxScanToKeyCode(e); + event.m_scanCode = 0; // not used by wx at all + event.m_x = where.x; + event.m_y = where.y; + wxLogDebug("key pressed, x=%i y=%i", event.m_x, event.m_y); // FIXME_MGL -remove + event.m_shiftDown = e->modifiers & EVT_SHIFTKEY; + event.m_controlDown = e->modifiers & EVT_CTRLSTATE; + event.m_altDown = e->modifiers & EVT_LEFTALT; + event.m_metaDown = e->modifiers & EVT_RIGHTALT; + + if ( e->what == EVT_KEYUP ) + { + event.SetEventType(wxEVT_KEY_UP); + return win->GetEventHandler()->ProcessEvent(event); + } + else + { + bool ret; + wxKeyEvent event2; + + event.SetEventType(wxEVT_KEY_DOWN); + event2 = event; + + ret = win->GetEventHandler()->ProcessEvent(event); + +#if wxUSE_ACCEL + if ( !ret ) + { + for (wxWindowMGL *w = win; w; w = w->GetParent()) + { + int command = w->GetAcceleratorTable()->GetCommand(event); + if ( command != -1 ) + { + wxCommandEvent eventc(wxEVT_COMMAND_MENU_SELECTED, command); + ret = w->GetEventHandler()->ProcessEvent(eventc); + break; + } + if ( w->IsTopLevel() ) + break; + } + } +#endif // wxUSE_ACCEL + + /* wxMSW doesn't send char events with Alt pressed */ + /* Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x + will only be sent if it is not in an accelerator table. */ + event2.m_keyCode = wxAsciiToKeyCode(e); + if ( !ret && event2.m_keyCode != 0 ) + { + event2.SetEventType(wxEVT_CHAR); + ret = win->GetEventHandler()->ProcessEvent(event2); + } + + return ret; + } +} + +// --------------------------------------------------------------------------- +// event tables +// --------------------------------------------------------------------------- + +// in wxUniv this class is abstract because it doesn't have DoPopupMenu() +IMPLEMENT_ABSTRACT_CLASS(wxWindowMGL, wxWindowBase) -IMPLEMENT_DYNAMIC_CLASS(wxWindowMGL, wxWindowBase) +BEGIN_EVENT_TABLE(wxWindowMGL, wxWindowBase) +END_EVENT_TABLE() -wxWindow *g_captureWindow = NULL; -wxWindow *g_focusWindow = NULL; +// =========================================================================== +// implementation +// =========================================================================== -/* static */ -wxWindow *wxWindowBase::GetCapture() +// ---------------------------------------------------------------------------- +// constructors and such +// ---------------------------------------------------------------------------- + +void wxWindowMGL::Init() +{ + // generic: + InitBase(); + + // mgl specific: + m_wnd = NULL; + m_isShown = TRUE; + m_isBeingDeleted = FALSE; + m_isEnabled = TRUE; + m_frozen = FALSE; + m_paintMGLDC = NULL; + m_eraseBackground = -1; +} + +// Destructor +wxWindowMGL::~wxWindowMGL() +{ + m_isBeingDeleted = TRUE; + + if ( g_focusedWindow == this ) + KillFocus(); + if ( g_windowUnderMouse == this ) + g_windowUnderMouse = NULL; + + // VS: destroy children first and _then_ detach *this from its parent. + // If we'd do it the other way around, children wouldn't be able + // find their parent frame (see above). + DestroyChildren(); + + if ( m_parent ) + m_parent->RemoveChild(this); + + if ( m_wnd ) + MGL_wmDestroyWindow(m_wnd); +} + +// real construction (Init() must have been called before!) +bool wxWindowMGL::Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) +{ + // FIXME_MGL -- temporary! + //wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") ); + + if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) ) + return FALSE; + + if ( parent ) // FIXME_MGL temporary + parent->AddChild(this); + else + m_isShown=FALSE;// FIXME_MGL -- temporary, simulates wxTLW/wxFrame + + if ( style & wxPOPUP_WINDOW ) + { + // it is created hidden as other top level windows + m_isShown = FALSE; + } + + int x, y, w, h; + x = pos.x, y = pos.y; + if ( x == -1 ) + x = 0; // FIXME_MGL, something better, see GTK+ + if ( y == -1 ) + y = 0; // FIXME_MGL, something better, see GTK+ + w = WidthDefault(size.x); + h = HeightDefault(size.y); + + m_wnd = MGL_wmCreateWindow(g_winMng, + parent ? parent->GetHandle() : NULL, + x, y, w, h); + + MGL_wmSetWindowUserData(m_wnd, (void*) this); + MGL_wmSetWindowPainter(m_wnd, wxWindowPainter); + MGL_wmShowWindow(m_wnd, m_isShown); + MGL_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetMGLCursor()); + + MGL_wmPushWindowEventHandler(m_wnd, wxWindowMouseHandler, EVT_MOUSEEVT, 0); + MGL_wmPushWindowEventHandler(m_wnd, wxWindowKeybHandler, EVT_KEYEVT, 0); + + return TRUE; +} + +// --------------------------------------------------------------------------- +// basic operations +// --------------------------------------------------------------------------- + +void wxWindowMGL::SetFocus() { - return (wxWindow *)g_captureWindow; + if (g_focusedWindow) + g_focusedWindow->KillFocus(); + + g_focusedWindow = this; + + MGL_wmCaptureEvents(GetHandle(), EVT_KEYEVT, wxMGL_CAPTURE_KEYB); + +#if wxUSE_CARET + // caret needs to be informed about focus change + wxCaret *caret = GetCaret(); + if (caret) + caret->OnSetFocus(); +#endif // wxUSE_CARET + + if ( IsTopLevel() ) + { + wxActivateEvent event(wxEVT_ACTIVATE, TRUE, GetId()); + event.SetEventObject(this); + GetEventHandler()->ProcessEvent(event); + } + + wxFocusEvent event(wxEVT_SET_FOCUS, GetId()); + event.SetEventObject(this); + GetEventHandler()->ProcessEvent(event); +} + +void wxWindowMGL::KillFocus() +{ + if ( g_focusedWindow != this ) return; + g_focusedWindow = NULL; + + if ( m_isBeingDeleted ) return; + + MGL_wmUncaptureEvents(GetHandle(), wxMGL_CAPTURE_KEYB); + +#if wxUSE_CARET + // caret needs to be informed about focus change + wxCaret *caret = GetCaret(); + if ( caret ) + caret->OnKillFocus(); +#endif // wxUSE_CARET + + if ( IsTopLevel() ) + { + wxActivateEvent event(wxEVT_ACTIVATE, FALSE, GetId()); + event.SetEventObject(this); + GetEventHandler()->ProcessEvent(event); + } + + wxFocusEvent event(wxEVT_KILL_FOCUS, GetId()); + event.SetEventObject(this); + GetEventHandler()->ProcessEvent(event); } +// ---------------------------------------------------------------------------- +// this wxWindowBase function is implemented here (in platform-specific file) +// because it is static and so couldn't be made virtual +// ---------------------------------------------------------------------------- wxWindow *wxWindowBase::FindFocus() { - // the cast is necessary when we compile in wxUniversal mode - return (wxWindow *)g_focusWindow; + return (wxWindow*)g_focusedWindow; +} + +bool wxWindowMGL::Show(bool show) +{ + if ( !wxWindowBase::Show(show) ) + return FALSE; + + MGL_wmShowWindow(m_wnd, show); + return TRUE; +} + +// Raise the window to the top of the Z order +void wxWindowMGL::Raise() +{ + MGL_wmRaiseWindow(m_wnd); +} + +// Lower the window to the bottom of the Z order +void wxWindowMGL::Lower() +{ + MGL_wmLowerWindow(m_wnd); +} + +void wxWindowMGL::CaptureMouse() +{ + MGL_wmCaptureEvents(m_wnd, EVT_MOUSEEVT, wxMGL_CAPTURE_MOUSE); +} + +void wxWindowMGL::ReleaseMouse() +{ + MGL_wmUncaptureEvents(m_wnd, wxMGL_CAPTURE_MOUSE); +} + +/* static */ wxWindow *wxWindowBase::GetCapture() +{ + for (captureentry_t *c = g_winMng->capturedEvents; c; c = c->next) + { + if ( c->id == wxMGL_CAPTURE_MOUSE ) + return (wxWindow*)c->wnd->userData; + } + return NULL; +} + +bool wxWindowMGL::SetCursor(const wxCursor& cursor) +{ + if ( !wxWindowBase::SetCursor(cursor) ) + { + // no change + return FALSE; + } + + if ( m_cursor.Ok() ) + MGL_wmSetWindowCursor(m_wnd, *m_cursor.GetMGLCursor()); + else + MGL_wmSetWindowCursor(m_wnd, *wxSTANDARD_CURSOR->GetMGLCursor()); + + // FIXME_MGL -- should it set children's cursor or not?! + + return TRUE; +} + +void wxWindowMGL::WarpPointer(int x, int y) +{ + ClientToScreen(&x, &y); + EVT_setMousePos(x, y); +} + +#if WXWIN_COMPATIBILITY +// If nothing defined for this, try the parent. +// E.g. we may be a button loaded from a resource, with no callback function +// defined. +void wxWindowMGL::OnCommand(wxWindow& win, wxCommandEvent& event) +{ + if ( GetEventHandler()->ProcessEvent(event) ) + return; + if ( m_parent ) + m_parent->GetEventHandler()->OnCommand(win, event); +} +#endif // WXWIN_COMPATIBILITY_2 + +#if WXWIN_COMPATIBILITY +wxObject* wxWindowMGL::GetChild(int number) const +{ + // Return a pointer to the Nth object in the Panel + wxNode *node = GetChildren().First(); + int n = number; + while (node && n--) + node = node->Next(); + if ( node ) + { + wxObject *obj = (wxObject *)node->Data(); + return(obj); + } + else + return NULL; +} +#endif // WXWIN_COMPATIBILITY + +// Set this window to be the child of 'parent'. +bool wxWindowMGL::Reparent(wxWindowBase *parent) +{ + if ( !wxWindowBase::Reparent(parent) ) + return FALSE; + + MGL_wmReparentWindow(m_wnd, parent->GetHandle()); + + return TRUE; +} + + +// --------------------------------------------------------------------------- +// drag and drop +// --------------------------------------------------------------------------- + +#if wxUSE_DRAG_AND_DROP + +void wxWindowMGL::SetDropTarget(wxDropTarget *pDropTarget) +{ + if ( m_dropTarget != 0 ) { + m_dropTarget->Revoke(m_hWnd); + delete m_dropTarget; + } + + m_dropTarget = pDropTarget; + if ( m_dropTarget != 0 ) + m_dropTarget->Register(m_hWnd); +} +// FIXME_MGL +#endif // wxUSE_DRAG_AND_DROP + +// old style file-manager drag&drop support: we retain the old-style +// DragAcceptFiles in parallel with SetDropTarget. +void wxWindowMGL::DragAcceptFiles(bool accept) +{ +#if 0 // FIXME_MGL + HWND hWnd = GetHwnd(); + if ( hWnd ) + ::DragAcceptFiles(hWnd, (BOOL)accept); +#endif +} + +// --------------------------------------------------------------------------- +// moving and resizing +// --------------------------------------------------------------------------- + +// Get total size +void wxWindowMGL::DoGetSize(int *x, int *y) const +{ + if (x) *x = m_wnd->width; + if (y) *y = m_wnd->height; +} + +void wxWindowMGL::DoGetPosition(int *x, int *y) const +{ + if (x) *x = m_wnd->x; + if (y) *y = m_wnd->y; +} + +void wxWindowMGL::DoScreenToClient(int *x, int *y) const +{ + int ax, ay; + wxPoint co = GetClientAreaOrigin(); + + MGL_wmCoordGlobalToLocal(m_wnd, m_wnd->x, m_wnd->y, &ax, &ay); + ax -= co.x; + ay -= co.y; + if (x) + *x = ax; + if (y) + *y = ay; +} + +void wxWindowMGL::DoClientToScreen(int *x, int *y) const +{ + int ax, ay; + wxPoint co = GetClientAreaOrigin(); + + MGL_wmCoordGlobalToLocal(m_wnd, m_wnd->x+co.x, m_wnd->y+co.y, &ax, &ay); + if (x) + *x = ax; + if (y) + *y = ay; +} + +// Get size *available for subwindows* i.e. excluding menu bar etc. +void wxWindowMGL::DoGetClientSize(int *x, int *y) const +{ + DoGetSize(x, y); +} + +void wxWindowMGL::DoMoveWindow(int x, int y, int width, int height) +{ + MGL_wmSetWindowPosition(GetHandle(), x, y, width, height); +} + +// set the size of the window: if the dimensions are positive, just use them, +// but if any of them is equal to -1, it means that we must find the value for +// it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in +// which case -1 is a valid value for x and y) +// +// If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate +// the width/height to best suit our contents, otherwise we reuse the current +// width/height +void wxWindowMGL::DoSetSize(int x, int y, int width, int height, int sizeFlags) +{ + // get the current size and position... + int currentX, currentY; + GetPosition(¤tX, ¤tY); + int currentW,currentH; + GetSize(¤tW, ¤tH); + + // ... and don't do anything (avoiding flicker) if it's already ok + if ( x == currentX && y == currentY && + width == currentW && height == currentH ) + { + return; + } + + if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) ) + x = currentX; + if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) ) + y = currentY; + +#if 0 // FIXME_MGL -- what's this good for? + AdjustForParentClientOrigin(x, y, sizeFlags); +#endif + + wxSize size(-1, -1); + if ( width == -1 ) + { + if ( sizeFlags & wxSIZE_AUTO_WIDTH ) + { + size = DoGetBestSize(); + width = size.x; + } + else + { + // just take the current one + width = currentW; + } + } + + if ( height == -1 ) + { + if ( sizeFlags & wxSIZE_AUTO_HEIGHT ) + { + if ( size.x == -1 ) + { + size = DoGetBestSize(); + } + //else: already called DoGetBestSize() above + + height = size.y; + } + else + { + // just take the current one + height = currentH; + } + } + + DoMoveWindow(x, y, width, height); + + wxSizeEvent event(wxSize(width, height), GetId()); + event.SetEventObject(this); + GetEventHandler()->ProcessEvent(event); +} + +void wxWindowMGL::DoSetClientSize(int width, int height) +{ + SetSize(width, height); +} + +// --------------------------------------------------------------------------- +// text metrics +// --------------------------------------------------------------------------- + +int wxWindowMGL::GetCharHeight() const +{ + wxScreenDC dc; + dc.SetFont(m_font); + return dc.GetCharHeight(); +} + +int wxWindowMGL::GetCharWidth() const +{ + wxScreenDC dc; + dc.SetFont(m_font); + return dc.GetCharWidth(); +} + +void wxWindowMGL::GetTextExtent(const wxString& string, + int *x, int *y, + int *descent, int *externalLeading, + const wxFont *theFont) const +{ + wxScreenDC dc; + if (!theFont) + theFont = &m_font; + dc.GetTextExtent(string, x, y, descent, externalLeading, (wxFont*)theFont); +} + +#if wxUSE_CARET && WXWIN_COMPATIBILITY +// --------------------------------------------------------------------------- +// Caret manipulation +// --------------------------------------------------------------------------- + +void wxWindowMGL::CreateCaret(int w, int h) +{ + SetCaret(new wxCaret(this, w, h)); +} + +void wxWindowMGL::CreateCaret(const wxBitmap *WXUNUSED(bitmap)) +{ + wxFAIL_MSG("not implemented"); +} + +void wxWindowMGL::ShowCaret(bool show) +{ + wxCHECK_RET( m_caret, "no caret to show" ); + + m_caret->Show(show); +} + +void wxWindowMGL::DestroyCaret() +{ + SetCaret(NULL); +} + +void wxWindowMGL::SetCaretPos(int x, int y) +{ + wxCHECK_RET( m_caret, "no caret to move" ); + + m_caret->Move(x, y); +} + +void wxWindowMGL::GetCaretPos(int *x, int *y) const +{ + wxCHECK_RET( m_caret, "no caret to get position of" ); + + m_caret->GetPosition(x, y); +} +#endif // wxUSE_CARET + + +// --------------------------------------------------------------------------- +// painting +// --------------------------------------------------------------------------- + +void wxWindowMGL::Clear() +{ + wxClientDC dc((wxWindow *)this); + wxBrush brush(GetBackgroundColour(), wxSOLID); + dc.SetBackground(brush); + dc.Clear(); +} + +void wxWindowMGL::Refresh(bool eraseBack, const wxRect *rect) +{ + if ( m_eraseBackground == -1 ) + m_eraseBackground = eraseBack; + else + m_eraseBackground |= eraseBack; + + if ( rect ) + { + rect_t r; + r.left = rect->GetLeft(), r.right = rect->GetRight(); + r.top = rect->GetTop(), r.bottom = rect->GetBottom(); + MGL_wmInvalidateWindowRect(GetHandle(), &r); + } + else + MGL_wmInvalidateWindow(GetHandle()); +} + +void wxWindowMGL::Update() +{ + if ( !m_frozen ) + MGL_wmUpdateDC(g_winMng); +} + +void wxWindowMGL::Freeze() +{ + m_frozen = TRUE; + m_refreshAfterThaw = FALSE; +} + +void wxWindowMGL::Thaw() +{ + m_frozen = FALSE; + if ( m_refreshAfterThaw ) + Refresh(); +} + +void wxWindowMGL::HandlePaint(MGLDevCtx *dc) +{ + if ( m_frozen ) + { + // Don't paint anything if the window is frozen. + m_refreshAfterThaw = TRUE; + return; + } + + MGLRegion clip; + dc->getClipRegion(clip); + m_updateRegion = wxRegion(clip); + m_paintMGLDC = dc; + + if ( m_eraseBackground != 0 ) + { + wxWindowDC dc((wxWindow*)this); + wxEraseEvent eventEr(m_windowId, &dc); + eventEr.SetEventObject(this); + GetEventHandler()->ProcessEvent(eventEr); + } + m_eraseBackground = -1; + + wxNcPaintEvent eventNc(GetId()); + eventNc.SetEventObject(this); + GetEventHandler()->ProcessEvent(eventNc); + + wxPaintEvent eventPt(GetId()); + eventPt.SetEventObject(this); + GetEventHandler()->ProcessEvent(eventPt); + + m_paintMGLDC = NULL; + m_updateRegion.Clear(); +} + + +// Find the wxWindow at the current mouse position, returning the mouse +// position. +wxWindow* wxFindWindowAtPointer(wxPoint& pt) +{ + return wxFindWindowAtPoint(pt = wxGetMousePosition()); +} + +wxWindow* wxFindWindowAtPoint(const wxPoint& pt) +{ + window_t *wnd = MGL_wmGetWindowAtPosition(g_winMng, pt.x, pt.y); + return (wxWindow*)wnd->userData; }