/////////////////////////////////////////////////////////////////////////////
-// 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 <mgraph.hpp>
+
+#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;
}
projects / wxWidgets.git / blobdiff