X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/32b8ec418aee4e38877d4cb79e2984c766dcc358..625cb8c0b1ac12f26265cae2c69d7f510de0edb1:/src/mgl/window.cpp diff --git a/src/mgl/window.cpp b/src/mgl/window.cpp index 030db27f2d..210c50ec9b 100644 --- a/src/mgl/window.cpp +++ b/src/mgl/window.cpp @@ -1,33 +1,769 @@ ///////////////////////////////////////////////////////////////////////////// -// 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; + +extern wxList WXDLLEXPORT wxPendingDelete; + // FIXME_MGL -- ??? + +// the window that has keyboard+joystick 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?? +bool wxCreateMGL_WM() +{ + int mode; + int width = 640, height = 480, depth = 16; + int refresh = MGL_DEFAULT_REFRESH; + +#if wxUSE_SYSTEM_OPTIONS + 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; + + 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); + } +} + +// --------------------------------------------------------------------------- +// event tables +// --------------------------------------------------------------------------- + +// in wxUniv/MSW this class is abstract because it doesn't have DoPopupMenu() +// method +IMPLEMENT_ABSTRACT_CLASS(wxWindowMGL, wxWindowBase) + +BEGIN_EVENT_TABLE(wxWindowMGL, wxWindowBase) +END_EVENT_TABLE() + +// =========================================================================== +// implementation +// =========================================================================== + +// ---------------------------------------------------------------------------- +// constructors and such +// ---------------------------------------------------------------------------- + +void wxWindowMGL::Init() +{ + // generic: + InitBase(); + + // mgl specific: + if ( !g_winMng && !wxCreateMGL_WM() ) + wxFatalError(_T("Can't initalize MGL, aborting!")); + + m_wnd = NULL; + m_isShown = TRUE; + m_isBeingDeleted = FALSE; + m_isEnabled = TRUE; + m_frozen = FALSE; + m_paintMGLDC = NULL; +} + +// Destructor +wxWindowMGL::~wxWindowMGL() +{ + m_isBeingDeleted = TRUE; + + if ( g_focusedWindow == this ) + KillFocus(); + +#if 0 // -- fixme - do we need this? + // VS: make sure there's no wxFrame with last focus set to us: + for (wxWindow *win = GetParent(); win; win = win->GetParent()) + { + wxFrame *frame = wxDynamicCast(win, wxFrame); + if ( frame ) + { + if ( frame->GetLastFocus() == this ) + frame->SetLastFocus((wxWindow*)NULL); + break; + } + } +#endif + + // 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(); -IMPLEMENT_DYNAMIC_CLASS(wxWindowMGL, wxWindowBase) + if ( m_parent ) + m_parent->RemoveChild(this); -wxWindow *g_captureWindow = NULL; -wxWindow *g_focusWindow = NULL; + if ( m_wnd ) + MGL_wmDestroyWindow(m_wnd); +} -/* static */ -wxWindow *wxWindowBase::GetCapture() +// 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) { - return (wxWindow *)g_captureWindow; + // 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; + } + + m_wnd = MGL_wmCreateWindow(g_winMng, + parent ? parent->GetHandle() : NULL, + pos.x, pos.y, size.x, size.y); + MGL_wmShowWindow(m_wnd, m_isShown); + MGL_wmSetWindowUserData(m_wnd, (void*) this); + MGL_wmSetWindowPainter(m_wnd, wxWindowPainter); + return TRUE; } +// --------------------------------------------------------------------------- +// basic operations +// --------------------------------------------------------------------------- + +void wxWindowMGL::SetFocus() +{ + if (g_focusedWindow) + g_focusedWindow->KillFocus(); + + g_focusedWindow = this; + + MGL_wmCaptureEvents(GetHandle(), EVT_KEYEVT | EVT_JOYEVT, 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()); + + 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 WXUNUSED(eraseBack), const wxRect *rect) +{ + 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; + + { + wxWindowDC dc((wxWindow*)this); + wxEraseEvent eventEr(m_windowId, &dc); + eventEr.SetEventObject(this); + GetEventHandler()->ProcessEvent(eventEr); + } + + 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; }