--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: windows.cpp
+// Purpose: wxWindow
+// Author: AUTHOR
+// Modified by:
+// Created: ??/??/98
+// RCS-ID: $Id$
+// Copyright: (c) AUTHOR
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "window.h"
+#endif
+
+#include "wx/setup.h"
+#include "wx/menu.h"
+#include "wx/dc.h"
+#include "wx/dcclient.h"
+#include "wx/utils.h"
+#include "wx/app.h"
+#include "wx/panel.h"
+#include "wx/layout.h"
+#include "wx/dialog.h"
+#include "wx/listbox.h"
+#include "wx/button.h"
+#include "wx/settings.h"
+#include "wx/msgdlg.h"
+
+#include "wx/menuitem.h"
+#include "wx/log.h"
+
+#if USE_DRAG_AND_DROP
+#include "wx/dnd.h"
+#endif
+
+#include <string.h>
+
+extern wxList wxPendingDelete;
+
+#if !USE_SHARED_LIBRARY
+IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxEvtHandler)
+
+BEGIN_EVENT_TABLE(wxWindow, wxEvtHandler)
+ EVT_CHAR(wxWindow::OnChar)
+ EVT_ERASE_BACKGROUND(wxWindow::OnEraseBackground)
+ EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
+ EVT_INIT_DIALOG(wxWindow::OnInitDialog)
+ EVT_IDLE(wxWindow::OnIdle)
+END_EVENT_TABLE()
+
+#endif
+
+
+// Constructor
+wxWindow::wxWindow()
+{
+ // Generic
+ m_windowId = 0;
+ m_windowStyle = 0;
+ m_windowParent = NULL;
+ m_windowEventHandler = this;
+ m_windowName = "";
+ m_windowCursor = *wxSTANDARD_CURSOR;
+ m_children = new wxList;
+ m_constraints = NULL;
+ m_constraintsInvolvedIn = NULL;
+ m_windowSizer = NULL;
+ m_sizerParent = NULL;
+ m_autoLayout = FALSE;
+ m_windowValidator = NULL;
+ m_defaultItem = NULL;
+ m_returnCode = 0;
+ m_caretWidth = 0; m_caretHeight = 0;
+ m_caretEnabled = FALSE;
+ m_caretShown = FALSE;
+ m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ; ;
+ m_foregroundColour = *wxBLACK;
+ m_defaultForegroundColour = *wxBLACK ;
+ m_defaultBackgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE) ;
+
+#if USE_DRAG_AND_DROP
+ m_pDropTarget = NULL;
+#endif
+}
+
+// Destructor
+wxWindow::~wxWindow()
+{
+ // Have to delete constraints/sizer FIRST otherwise
+ // sizers may try to look at deleted windows as they
+ // delete themselves.
+#if USE_CONSTRAINTS
+ DeleteRelatedConstraints();
+ if (m_constraints)
+ {
+ // This removes any dangling pointers to this window
+ // in other windows' constraintsInvolvedIn lists.
+ UnsetConstraints(m_constraints);
+ delete m_constraints;
+ m_constraints = NULL;
+ }
+ if (m_windowSizer)
+ {
+ delete m_windowSizer;
+ m_windowSizer = NULL;
+ }
+ // If this is a child of a sizer, remove self from parent
+ if (m_sizerParent)
+ m_sizerParent->RemoveChild((wxWindow *)this);
+#endif
+
+ if (m_windowParent)
+ m_windowParent->RemoveChild(this);
+
+ DestroyChildren();
+
+ // TODO: destroy the window
+
+ delete m_children;
+ m_children = NULL;
+
+ // Just in case the window has been Closed, but
+ // we're then deleting immediately: don't leave
+ // dangling pointers.
+ wxPendingDelete.DeleteObject(this);
+
+ if ( m_windowValidator )
+ delete m_windowValidator;
+}
+
+// Destroy the window (delayed, if a managed window)
+bool wxWindow::Destroy()
+{
+ delete this;
+ return TRUE;
+}
+
+// Constructor
+bool wxWindow::Create(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name)
+{
+ // Generic
+ m_windowId = 0;
+ m_windowStyle = 0;
+ m_windowParent = NULL;
+ m_windowEventHandler = this;
+ m_windowName = "";
+ m_windowCursor = *wxSTANDARD_CURSOR;
+ m_constraints = NULL;
+ m_constraintsInvolvedIn = NULL;
+ m_windowSizer = NULL;
+ m_sizerParent = NULL;
+ m_autoLayout = FALSE;
+ m_windowValidator = NULL;
+
+#if USE_DRAG_AND_DROP
+ m_pDropTarget = NULL;
+#endif
+
+ m_caretWidth = 0; m_caretHeight = 0;
+ m_caretEnabled = FALSE;
+ m_caretShown = FALSE;
+ m_minSizeX = -1;
+ m_minSizeY = -1;
+ m_maxSizeX = -1;
+ m_maxSizeY = -1;
+ m_defaultItem = NULL;
+ m_windowParent = NULL;
+ if (!parent)
+ return FALSE;
+
+ if (parent) parent->AddChild(this);
+
+ m_returnCode = 0;
+
+ SetName(name);
+
+ if ( id == -1 )
+ m_windowId = (int)NewControlId();
+ else
+ m_windowId = id;
+
+ m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ; ;
+ m_foregroundColour = *wxBLACK;
+ m_defaultForegroundColour = *wxBLACK ;
+ m_defaultBackgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE) ;
+
+ m_windowStyle = style;
+
+ if ( id == -1 )
+ m_windowId = (int)NewControlId();
+ else
+ m_windowId = id;
+
+ // TODO: create the window
+
+ return TRUE;
+}
+
+void wxWindow::SetFocus()
+{
+ // TODO
+}
+
+void wxWindow::Enable(bool enable)
+{
+ // TODO
+}
+
+void wxWindow::CaptureMouse()
+{
+ // TODO
+}
+
+void wxWindow::ReleaseMouse()
+{
+ // TODO
+}
+
+// Push/pop event handler (i.e. allow a chain of event handlers
+// be searched)
+void wxWindow::PushEventHandler(wxEvtHandler *handler)
+{
+ handler->SetNextHandler(GetEventHandler());
+ SetEventHandler(handler);
+}
+
+wxEvtHandler *wxWindow::PopEventHandler(bool deleteHandler)
+{
+ if ( GetEventHandler() )
+ {
+ wxEvtHandler *handlerA = GetEventHandler();
+ wxEvtHandler *handlerB = handlerA->GetNextHandler();
+ handlerA->SetNextHandler(NULL);
+ SetEventHandler(handlerB);
+ if ( deleteHandler )
+ {
+ delete handlerA;
+ return NULL;
+ }
+ else
+ return handlerA;
+ }
+ else
+ return NULL;
+}
+
+#if USE_DRAG_AND_DROP
+
+void wxWindow::SetDropTarget(wxDropTarget *pDropTarget)
+{
+ if ( m_pDropTarget != 0 ) {
+ m_pDropTarget->Revoke(m_hWnd);
+ delete m_pDropTarget;
+ }
+
+ m_pDropTarget = pDropTarget;
+ if ( m_pDropTarget != 0 )
+ m_pDropTarget->Register(m_hWnd);
+}
+
+#endif
+
+// Old style file-manager drag&drop
+void wxWindow::DragAcceptFiles(bool accept)
+{
+ // TODO
+}
+
+// Get total size
+void wxWindow::GetSize(int *x, int *y) const
+{
+ // TODO
+}
+
+void wxWindow::GetPosition(int *x, int *y) const
+{
+ // TODO
+}
+
+void wxWindow::ScreenToClient(int *x, int *y) const
+{
+ // TODO
+}
+
+void wxWindow::ClientToScreen(int *x, int *y) const
+{
+ // TODO
+}
+
+void wxWindow::SetCursor(const wxCursor& cursor)
+{
+ m_windowCursor = cursor;
+ if (m_windowCursor.Ok())
+ {
+ // TODO
+ }
+}
+
+
+// Get size *available for subwindows* i.e. excluding menu bar etc.
+void wxWindow::GetClientSize(int *x, int *y) const
+{
+ // TODO
+}
+
+void wxWindow::SetSize(int x, int y, int width, int height, int sizeFlags)
+{
+ // TODO
+}
+
+void wxWindow::SetClientSize(int width, int height)
+{
+ // TODO
+}
+
+// For implementation purposes - sometimes decorations make the client area
+// smaller
+wxPoint wxWindow::GetClientAreaOrigin() const
+{
+ return wxPoint(0, 0);
+}
+
+// Makes an adjustment to the window position (for example, a frame that has
+// a toolbar that it manages itself).
+void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
+{
+ if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
+ {
+ wxPoint pt(GetParent()->GetClientAreaOrigin());
+ x += pt.x; y += pt.y;
+ }
+}
+
+bool wxWindow::Show(bool show)
+{
+ // TODO
+ return FALSE;
+}
+
+bool wxWindow::IsShown() const
+{
+ // TODO
+ return FALSE;
+}
+
+int wxWindow::GetCharHeight() const
+{
+ // TODO
+ return 0;
+}
+
+int wxWindow::GetCharWidth() const
+{
+ // TODO
+ return 0;
+}
+
+void wxWindow::GetTextExtent(const wxString& string, int *x, int *y,
+ int *descent, int *externalLeading, const wxFont *theFont, bool) const
+{
+ wxFont *fontToUse = (wxFont *)theFont;
+ if (!fontToUse)
+ fontToUse = (wxFont *) & m_windowFont;
+
+ // TODO
+}
+
+void wxWindow::Refresh(bool eraseBack, const wxRectangle *rect)
+{
+ // TODO
+}
+
+// Responds to colour changes: passes event on to children.
+void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
+{
+ wxNode *node = GetChildren()->First();
+ while ( node )
+ {
+ // Only propagate to non-top-level windows
+ wxWindow *win = (wxWindow *)node->Data();
+ if ( win->GetParent() )
+ {
+ wxSysColourChangedEvent event2;
+ event.m_eventObject = win;
+ win->GetEventHandler()->ProcessEvent(event2);
+ }
+
+ node = node->Next();
+ }
+}
+
+// This can be called by the app (or wxWindows) to do default processing for the current
+// event. Save message/event info in wxWindow so they can be used in this function.
+long wxWindow::Default()
+{
+ // TODO
+ return 0;
+}
+
+void wxWindow::InitDialog()
+{
+ wxInitDialogEvent event(GetId());
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+}
+
+// Default init dialog behaviour is to transfer data to window
+void wxWindow::OnInitDialog(wxInitDialogEvent& event)
+{
+ TransferDataToWindow();
+}
+
+// Caret manipulation
+void wxWindow::CreateCaret(int w, int h)
+{
+ m_caretWidth = w;
+ m_caretHeight = h;
+ m_caretEnabled = TRUE;
+}
+
+void wxWindow::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
+{
+ // TODO
+}
+
+void wxWindow::ShowCaret(bool show)
+{
+ // TODO
+}
+
+void wxWindow::DestroyCaret()
+{
+ // TODO
+ m_caretEnabled = FALSE;
+}
+
+void wxWindow::SetCaretPos(int x, int y)
+{
+ // TODO
+}
+
+void wxWindow::GetCaretPos(int *x, int *y) const
+{
+ // TODO
+}
+
+wxWindow *wxGetActiveWindow()
+{
+ // TODO
+ return NULL;
+}
+
+void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW), int WXUNUSED(incH))
+{
+ m_minSizeX = minW;
+ m_minSizeY = minH;
+ m_maxSizeX = maxW;
+ m_maxSizeY = maxH;
+}
+
+void wxWindow::Centre(int direction)
+{
+ int x, y, width, height, panel_width, panel_height, new_x, new_y;
+
+ wxWindow *father = (wxWindow *)GetParent();
+ if (!father)
+ return;
+
+ father->GetClientSize(&panel_width, &panel_height);
+ GetSize(&width, &height);
+ GetPosition(&x, &y);
+
+ new_x = -1;
+ new_y = -1;
+
+ if (direction & wxHORIZONTAL)
+ new_x = (int)((panel_width - width)/2);
+
+ if (direction & wxVERTICAL)
+ new_y = (int)((panel_height - height)/2);
+
+ SetSize(new_x, new_y, -1, -1);
+
+}
+
+// Coordinates relative to the window
+void wxWindow::WarpPointer (int x_pos, int y_pos)
+{
+ // TODO
+}
+
+void wxWindow::OnEraseBackground(wxEraseEvent& event)
+{
+ // TODO
+ Default();
+}
+
+int wxWindow::GetScrollPos(int orient) const
+{
+ // TODO
+ return 0;
+}
+
+// This now returns the whole range, not just the number
+// of positions that we can scroll.
+int wxWindow::GetScrollRange(int orient) const
+{
+ // TODO
+ return 0;
+}
+
+int wxWindow::GetScrollThumb(int orient) const
+{
+ // TODO
+ return 0;
+}
+
+void wxWindow::SetScrollPos(int orient, int pos, bool refresh)
+{
+ // TODO
+ return 0;
+}
+
+// New function that will replace some of the above.
+void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
+ int range, bool refresh)
+{
+ // TODO
+}
+
+// Does a physical scroll
+void wxWindow::ScrollWindow(int dx, int dy, const wxRectangle *rect)
+{
+ // TODO
+ return 0;
+}
+
+void wxWindow::SetFont(const wxFont& font)
+{
+ m_windowFont = font;
+
+ if (!m_windowFont.Ok())
+ return;
+ // TODO
+}
+
+void wxWindow::OnChar(wxKeyEvent& event)
+{
+ if ( event.KeyCode() == WXK_TAB ) {
+ // propagate the TABs to the parent - it's up to it to decide what
+ // to do with it
+ if ( GetParent() ) {
+ if ( GetParent()->ProcessEvent(event) )
+ return;
+ }
+ }
+}
+
+void wxWindow::OnPaint(wxPaintEvent& event)
+{
+ Default();
+}
+
+bool wxWindow::IsEnabled() const
+{
+ // TODO
+ return FALSE;
+}
+
+// Dialog support: override these and call
+// base class members to add functionality
+// that can't be done using validators.
+// NOTE: these functions assume that controls
+// are direct children of this window, not grandchildren
+// or other levels of descendant.
+
+// Transfer values to controls. If returns FALSE,
+// it's an application error (pops up a dialog)
+bool wxWindow::TransferDataToWindow()
+{
+ wxNode *node = GetChildren()->First();
+ while ( node )
+ {
+ wxWindow *child = (wxWindow *)node->Data();
+ if ( child->GetValidator() &&
+ !child->GetValidator()->TransferToWindow() )
+ {
+ wxMessageBox("Application Error", "Could not transfer data to window", wxOK|wxICON_EXCLAMATION);
+ return FALSE;
+ }
+
+ node = node->Next();
+ }
+ return TRUE;
+}
+
+// Transfer values from controls. If returns FALSE,
+// validation failed: don't quit
+bool wxWindow::TransferDataFromWindow()
+{
+ wxNode *node = GetChildren()->First();
+ while ( node )
+ {
+ wxWindow *child = (wxWindow *)node->Data();
+ if ( child->GetValidator() && !child->GetValidator()->TransferFromWindow() )
+ {
+ return FALSE;
+ }
+
+ node = node->Next();
+ }
+ return TRUE;
+}
+
+bool wxWindow::Validate()
+{
+ wxNode *node = GetChildren()->First();
+ while ( node )
+ {
+ wxWindow *child = (wxWindow *)node->Data();
+ if ( child->GetValidator() && /* child->GetValidator()->Ok() && */ !child->GetValidator()->Validate(this) )
+ {
+ return FALSE;
+ }
+
+ node = node->Next();
+ }
+ return TRUE;
+}
+
+// Get the window with the focus
+wxWindow *wxWindow::FindFocus()
+{
+ // TODO
+ return NULL;
+}
+
+void wxWindow::AddChild(wxWindow *child)
+{
+ GetChildren()->Append(child);
+ child->m_windowParent = this;
+}
+
+void wxWindow::RemoveChild(wxWindow *child)
+{
+ if (GetChildren())
+ GetChildren()->DeleteObject(child);
+ child->m_windowParent = NULL;
+}
+
+void wxWindow::DestroyChildren()
+{
+ if (GetChildren()) {
+ wxNode *node;
+ while ((node = GetChildren()->First()) != (wxNode *)NULL) {
+ wxWindow *child;
+ if ((child = (wxWindow *)node->Data()) != (wxWindow *)NULL) {
+ delete child;
+ if ( GetChildren()->Member(child) )
+ delete node;
+ }
+ } /* while */
+ }
+}
+
+void wxWindow::MakeModal(bool modal)
+{
+ // Disable all other windows
+ if (this->IsKindOf(CLASSINFO(wxDialog)) || this->IsKindOf(CLASSINFO(wxFrame)))
+ {
+ wxNode *node = wxTopLevelWindows.First();
+ while (node)
+ {
+ wxWindow *win = (wxWindow *)node->Data();
+ if (win != this)
+ win->Enable(!modal);
+
+ node = node->Next();
+ }
+ }
+}
+
+// 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 wxWindow::OnCommand(wxWindow& win, wxCommandEvent& event)
+{
+ if (GetEventHandler()->ProcessEvent(event) )
+ return;
+ if (m_windowParent)
+ m_windowParent->GetEventHandler()->OnCommand(win, event);
+}
+
+void wxWindow::SetConstraints(wxLayoutConstraints *c)
+{
+ if (m_constraints)
+ {
+ UnsetConstraints(m_constraints);
+ delete m_constraints;
+ }
+ m_constraints = c;
+ if (m_constraints)
+ {
+ // Make sure other windows know they're part of a 'meaningful relationship'
+ if (m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this))
+ m_constraints->left.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ if (m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this))
+ m_constraints->top.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ if (m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this))
+ m_constraints->right.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ if (m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this))
+ m_constraints->bottom.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ if (m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this))
+ m_constraints->width.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ if (m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this))
+ m_constraints->height.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ if (m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this))
+ m_constraints->centreX.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ if (m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this))
+ m_constraints->centreY.GetOtherWindow()->AddConstraintReference((wxWindow *)this);
+ }
+}
+
+// This removes any dangling pointers to this window
+// in other windows' constraintsInvolvedIn lists.
+void wxWindow::UnsetConstraints(wxLayoutConstraints *c)
+{
+ if (c)
+ {
+ if (c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this))
+ c->left.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ if (c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this))
+ c->top.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ if (c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this))
+ c->right.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ if (c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this))
+ c->bottom.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ if (c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this))
+ c->width.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ if (c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this))
+ c->height.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ if (c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this))
+ c->centreX.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ if (c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this))
+ c->centreY.GetOtherWindow()->RemoveConstraintReference((wxWindow *)this);
+ }
+}
+
+// Back-pointer to other windows we're involved with, so if we delete
+// this window, we must delete any constraints we're involved with.
+void wxWindow::AddConstraintReference(wxWindow *otherWin)
+{
+ if (!m_constraintsInvolvedIn)
+ m_constraintsInvolvedIn = new wxList;
+ if (!m_constraintsInvolvedIn->Member(otherWin))
+ m_constraintsInvolvedIn->Append(otherWin);
+}
+
+// REMOVE back-pointer to other windows we're involved with.
+void wxWindow::RemoveConstraintReference(wxWindow *otherWin)
+{
+ if (m_constraintsInvolvedIn)
+ m_constraintsInvolvedIn->DeleteObject(otherWin);
+}
+
+// Reset any constraints that mention this window
+void wxWindow::DeleteRelatedConstraints()
+{
+ if (m_constraintsInvolvedIn)
+ {
+ wxNode *node = m_constraintsInvolvedIn->First();
+ while (node)
+ {
+ wxWindow *win = (wxWindow *)node->Data();
+ wxNode *next = node->Next();
+ wxLayoutConstraints *constr = win->GetConstraints();
+
+ // Reset any constraints involving this window
+ if (constr)
+ {
+ constr->left.ResetIfWin((wxWindow *)this);
+ constr->top.ResetIfWin((wxWindow *)this);
+ constr->right.ResetIfWin((wxWindow *)this);
+ constr->bottom.ResetIfWin((wxWindow *)this);
+ constr->width.ResetIfWin((wxWindow *)this);
+ constr->height.ResetIfWin((wxWindow *)this);
+ constr->centreX.ResetIfWin((wxWindow *)this);
+ constr->centreY.ResetIfWin((wxWindow *)this);
+ }
+ delete node;
+ node = next;
+ }
+ delete m_constraintsInvolvedIn;
+ m_constraintsInvolvedIn = NULL;
+ }
+}
+
+void wxWindow::SetSizer(wxSizer *sizer)
+{
+ m_windowSizer = sizer;
+ if (sizer)
+ sizer->SetSizerParent((wxWindow *)this);
+}
+
+/*
+ * New version
+ */
+
+bool wxWindow::Layout()
+{
+ if (GetConstraints())
+ {
+ int w, h;
+ GetClientSize(&w, &h);
+ GetConstraints()->width.SetValue(w);
+ GetConstraints()->height.SetValue(h);
+ }
+
+ // If top level (one sizer), evaluate the sizer's constraints.
+ if (GetSizer())
+ {
+ int noChanges;
+ GetSizer()->ResetConstraints(); // Mark all constraints as unevaluated
+ GetSizer()->LayoutPhase1(&noChanges);
+ GetSizer()->LayoutPhase2(&noChanges);
+ GetSizer()->SetConstraintSizes(); // Recursively set the real window sizes
+ return TRUE;
+ }
+ else
+ {
+ // Otherwise, evaluate child constraints
+ ResetConstraints(); // Mark all constraints as unevaluated
+ DoPhase(1); // Just one phase need if no sizers involved
+ DoPhase(2);
+ SetConstraintSizes(); // Recursively set the real window sizes
+ }
+ return TRUE;
+}
+
+
+// Do a phase of evaluating constraints:
+// the default behaviour. wxSizers may do a similar
+// thing, but also impose their own 'constraints'
+// and order the evaluation differently.
+bool wxWindow::LayoutPhase1(int *noChanges)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr)
+ {
+ return constr->SatisfyConstraints((wxWindow *)this, noChanges);
+ }
+ else
+ return TRUE;
+}
+
+bool wxWindow::LayoutPhase2(int *noChanges)
+{
+ *noChanges = 0;
+
+ // Layout children
+ DoPhase(1);
+ DoPhase(2);
+ return TRUE;
+}
+
+// Do a phase of evaluating child constraints
+bool wxWindow::DoPhase(int phase)
+{
+ int noIterations = 0;
+ int maxIterations = 500;
+ int noChanges = 1;
+ int noFailures = 0;
+ wxList succeeded;
+ while ((noChanges > 0) && (noIterations < maxIterations))
+ {
+ noChanges = 0;
+ noFailures = 0;
+ wxNode *node = GetChildren()->First();
+ while (node)
+ {
+ wxWindow *child = (wxWindow *)node->Data();
+ if (!child->IsKindOf(CLASSINFO(wxFrame)) && !child->IsKindOf(CLASSINFO(wxDialog)))
+ {
+ wxLayoutConstraints *constr = child->GetConstraints();
+ if (constr)
+ {
+ if (succeeded.Member(child))
+ {
+ }
+ else
+ {
+ int tempNoChanges = 0;
+ bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ;
+ noChanges += tempNoChanges;
+ if (success)
+ {
+ succeeded.Append(child);
+ }
+ }
+ }
+ }
+ node = node->Next();
+ }
+ noIterations ++;
+ }
+ return TRUE;
+}
+
+void wxWindow::ResetConstraints()
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr)
+ {
+ constr->left.SetDone(FALSE);
+ constr->top.SetDone(FALSE);
+ constr->right.SetDone(FALSE);
+ constr->bottom.SetDone(FALSE);
+ constr->width.SetDone(FALSE);
+ constr->height.SetDone(FALSE);
+ constr->centreX.SetDone(FALSE);
+ constr->centreY.SetDone(FALSE);
+ }
+ wxNode *node = GetChildren()->First();
+ while (node)
+ {
+ wxWindow *win = (wxWindow *)node->Data();
+ if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)))
+ win->ResetConstraints();
+ node = node->Next();
+ }
+}
+
+// Need to distinguish between setting the 'fake' size for
+// windows and sizers, and setting the real values.
+void wxWindow::SetConstraintSizes(bool recurse)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr && constr->left.GetDone() && constr->right.GetDone() &&
+ constr->width.GetDone() && constr->height.GetDone())
+ {
+ int x = constr->left.GetValue();
+ int y = constr->top.GetValue();
+ int w = constr->width.GetValue();
+ int h = constr->height.GetValue();
+
+ // If we don't want to resize this window, just move it...
+ if ((constr->width.GetRelationship() != wxAsIs) ||
+ (constr->height.GetRelationship() != wxAsIs))
+ {
+ // Calls Layout() recursively. AAAGH. How can we stop that.
+ // Simply take Layout() out of non-top level OnSizes.
+ SizerSetSize(x, y, w, h);
+ }
+ else
+ {
+ SizerMove(x, y);
+ }
+ }
+ else if (constr)
+ {
+ char *windowClass = this->GetClassInfo()->GetClassName();
+
+ wxString winName;
+ if (GetName() == "")
+ winName = "unnamed";
+ else
+ winName = GetName();
+ wxDebugMsg("Constraint(s) not satisfied for window of type %s, name %s:\n", (const char *)windowClass, (const char *)winName);
+ if (!constr->left.GetDone())
+ wxDebugMsg(" unsatisfied 'left' constraint.\n");
+ if (!constr->right.GetDone())
+ wxDebugMsg(" unsatisfied 'right' constraint.\n");
+ if (!constr->width.GetDone())
+ wxDebugMsg(" unsatisfied 'width' constraint.\n");
+ if (!constr->height.GetDone())
+ wxDebugMsg(" unsatisfied 'height' constraint.\n");
+ wxDebugMsg("Please check constraints: try adding AsIs() constraints.\n");
+ }
+
+ if (recurse)
+ {
+ wxNode *node = GetChildren()->First();
+ while (node)
+ {
+ wxWindow *win = (wxWindow *)node->Data();
+ if (!win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)))
+ win->SetConstraintSizes();
+ node = node->Next();
+ }
+ }
+}
+
+// This assumes that all sizers are 'on' the same
+// window, i.e. the parent of this window.
+void wxWindow::TransformSizerToActual(int *x, int *y) const
+{
+ if (!m_sizerParent || m_sizerParent->IsKindOf(CLASSINFO(wxDialog)) ||
+ m_sizerParent->IsKindOf(CLASSINFO(wxFrame)) )
+ return;
+
+ int xp, yp;
+ m_sizerParent->GetPosition(&xp, &yp);
+ m_sizerParent->TransformSizerToActual(&xp, &yp);
+ *x += xp;
+ *y += yp;
+}
+
+void wxWindow::SizerSetSize(int x, int y, int w, int h)
+{
+ int xx = x;
+ int yy = y;
+ TransformSizerToActual(&xx, &yy);
+ SetSize(xx, yy, w, h);
+}
+
+void wxWindow::SizerMove(int x, int y)
+{
+ int xx = x;
+ int yy = y;
+ TransformSizerToActual(&xx, &yy);
+ Move(xx, yy);
+}
+
+// Only set the size/position of the constraint (if any)
+void wxWindow::SetSizeConstraint(int x, int y, int w, int h)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr)
+ {
+ if (x != -1)
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(TRUE);
+ }
+ if (y != -1)
+ {
+ constr->top.SetValue(y);
+ constr->top.SetDone(TRUE);
+ }
+ if (w != -1)
+ {
+ constr->width.SetValue(w);
+ constr->width.SetDone(TRUE);
+ }
+ if (h != -1)
+ {
+ constr->height.SetValue(h);
+ constr->height.SetDone(TRUE);
+ }
+ }
+}
+
+void wxWindow::MoveConstraint(int x, int y)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr)
+ {
+ if (x != -1)
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(TRUE);
+ }
+ if (y != -1)
+ {
+ constr->top.SetValue(y);
+ constr->top.SetDone(TRUE);
+ }
+ }
+}
+
+void wxWindow::GetSizeConstraint(int *w, int *h) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr)
+ {
+ *w = constr->width.GetValue();
+ *h = constr->height.GetValue();
+ }
+ else
+ GetSize(w, h);
+}
+
+void wxWindow::GetClientSizeConstraint(int *w, int *h) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr)
+ {
+ *w = constr->width.GetValue();
+ *h = constr->height.GetValue();
+ }
+ else
+ GetClientSize(w, h);
+}
+
+void wxWindow::GetPositionConstraint(int *x, int *y) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if (constr)
+ {
+ *x = constr->left.GetValue();
+ *y = constr->top.GetValue();
+ }
+ else
+ GetPosition(x, y);
+}
+
+bool wxWindow::Close(bool force)
+{
+ wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
+ event.SetEventObject(this);
+ event.SetForce(force);
+
+ return GetEventHandler()->ProcessEvent(event);
+}
+
+wxObject* wxWindow::GetChild(int number) const
+{
+ // Return a pointer to the Nth object in the window
+ if (!GetChildren())
+ return(NULL) ;
+ 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 ;
+}
+
+void wxWindow::OnDefaultAction(wxControl *initiatingItem)
+{
+ // Obsolete function
+}
+
+void wxWindow::Clear()
+{
+ wxClientDC dc(this);
+ wxBrush brush(GetBackgroundColour(), wxSOLID);
+ dc.SetBackground(brush);
+ dc.Clear();
+}
+
+// Fits the panel around the items
+void wxWindow::Fit()
+{
+ int maxX = 0;
+ int maxY = 0;
+ wxNode *node = GetChildren()->First();
+ while ( node )
+ {
+ wxWindow *win = (wxWindow *)node->Data();
+ int wx, wy, ww, wh;
+ win->GetPosition(&wx, &wy);
+ win->GetSize(&ww, &wh);
+ if ( wx + ww > maxX )
+ maxX = wx + ww;
+ if ( wy + wh > maxY )
+ maxY = wy + wh;
+
+ node = node->Next();
+ }
+ SetClientSize(maxX + 5, maxY + 5);
+}
+
+void wxWindow::SetValidator(const wxValidator& validator)
+{
+ if ( m_windowValidator )
+ delete m_windowValidator;
+ m_windowValidator = validator.Clone();
+
+ if ( m_windowValidator )
+ m_windowValidator->SetWindow(this) ;
+}
+
+// Find a window by id or name
+wxWindow *wxWindow::FindWindow(long id)
+{
+ if ( GetId() == id)
+ return this;
+
+ wxNode *node = GetChildren()->First();
+ while ( node )
+ {
+ wxWindow *child = (wxWindow *)node->Data();
+ wxWindow *found = child->FindWindow(id);
+ if ( found )
+ return found;
+ node = node->Next();
+ }
+ return NULL;
+}
+
+wxWindow *wxWindow::FindWindow(const wxString& name)
+{
+ if ( GetName() == name)
+ return this;
+
+ wxNode *node = GetChildren()->First();
+ while ( node )
+ {
+ wxWindow *child = (wxWindow *)node->Data();
+ wxWindow *found = child->FindWindow(name);
+ if ( found )
+ return found;
+ node = node->Next();
+ }
+ return NULL;
+}
+
+void wxWindow::OnIdle(wxIdleEvent& event)
+{
+/* TODO: you may need to do something like this
+ * if your GUI doesn't generate enter/leave events
+
+ // Check if we need to send a LEAVE event
+ if (m_mouseInWindow)
+ {
+ POINT pt;
+ ::GetCursorPos(&pt);
+ if (::WindowFromPoint(pt) != (HWND) GetHWND())
+ {
+ // Generate a LEAVE event
+ m_mouseInWindow = FALSE;
+ MSWOnMouseLeave(pt.x, pt.y, 0);
+ }
+ }
+*/
+
+ // This calls the UI-update mechanism (querying windows for
+ // menu/toolbar/control state information)
+ UpdateWindowUI();
+}
+
+// Raise the window to the top of the Z order
+void wxWindow::Raise()
+{
+ // TODO
+}
+
+// Lower the window to the bottom of the Z order
+void wxWindow::Lower()
+{
+ // TODO
+}
+
+bool wxWindow::AcceptsFocus() const
+{
+ return IsShown() && IsEnabled();
+}
+
+// Update region access
+wxRegion wxWindow::GetUpdateRegion() const
+{
+ return m_updateRegion;
+}
+
+bool wxWindow::IsExposed(int x, int y, int w, int h) const
+{
+ return (m_updateRegion.Contains(x, y, w, h) != wxOutRegion);
+}
+
+bool wxWindow::IsExposed(const wxPoint& pt) const
+{
+ return (m_updateRegion.Contains(pt) != wxOutRegion);
+}
+
+bool wxWindow::IsExposed(const wxRect& rect) const
+{
+ return (m_updateRegion.Contains(rect) != wxOutRegion);
+}
+
+
projects / wxWidgets.git / blobdiff