X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/764a3a49068a94d1edb96f299b10c155d101c1b0..277f2e527e33de039146ab94358ffec9c98f6112:/src/common/wincmn.cpp diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index e8999d0f1a..e0d1e1af70 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -35,20 +35,30 @@ #include "wx/frame.h" #include "wx/defs.h" #include "wx/window.h" + #include "wx/control.h" #include "wx/checkbox.h" #include "wx/radiobut.h" + #include "wx/textctrl.h" #include "wx/settings.h" #include "wx/dialog.h" + #include "wx/msgdlg.h" + #include "wx/statusbr.h" #endif //WX_PRECOMP #if wxUSE_CONSTRAINTS #include "wx/layout.h" #endif // wxUSE_CONSTRAINTS +#include "wx/sizer.h" + #if wxUSE_DRAG_AND_DROP #include "wx/dnd.h" #endif // wxUSE_DRAG_AND_DROP +#if wxUSE_HELP + #include "wx/cshelp.h" +#endif // wxUSE_HELP + #if wxUSE_TOOLTIPS #include "wx/tooltip.h" #endif // wxUSE_TOOLTIPS @@ -72,6 +82,12 @@ IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler) BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler) EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged) EVT_INIT_DIALOG(wxWindowBase::OnInitDialog) + EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick) + +#if wxUSE_HELP + EVT_HELP(-1, wxWindowBase::OnHelp) +#endif // wxUSE_HELP + END_EVENT_TABLE() // ============================================================================ @@ -100,24 +116,32 @@ void wxWindowBase::InitBase() m_isShown = FALSE; m_isEnabled = TRUE; - // no client data - m_clientObject = (wxClientData *)NULL; - m_clientData = NULL; - // the default event handler is just this window m_eventHandler = this; +#if wxUSE_VALIDATORS // no validator m_windowValidator = (wxValidator *) NULL; +#endif // wxUSE_VALIDATORS // use the system default colours - wxSystemSettings settings; + m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); + m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); + + // don't set the font here for wxMSW as we don't call WM_SETFONT here and + // so the font is *not* really set - but calls to SetFont() later won't do + // anything because m_font appears to be already set! +#ifndef __WXMSW__ + m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); +#endif // __WXMSW__ - m_backgroundColour = settings.GetSystemColour(wxSYS_COLOUR_BTNFACE); - m_foregroundColour = *wxBLACK; // TODO take this from sys settings too? - m_font = *wxSWISS_FONT; // and this? + // the colours/fonts are default for now + m_hasBgCol = + m_hasFgCol = + m_hasFont = FALSE; // no style bits + m_exStyle = m_windowStyle = 0; // an optimization for the event processing: checking this flag is much @@ -128,10 +152,11 @@ void wxWindowBase::InitBase() // no constraints whatsoever m_constraints = (wxLayoutConstraints *) NULL; m_constraintsInvolvedIn = (wxWindowList *) NULL; +#endif // wxUSE_CONSTRAINTS + m_windowSizer = (wxSizer *) NULL; - m_sizerParent = (wxWindowBase *) NULL; + m_containingSizer = (wxSizer *) NULL; m_autoLayout = FALSE; -#endif // wxUSE_CONSTRAINTS #if wxUSE_DRAG_AND_DROP m_dropTarget = (wxDropTarget *)NULL; @@ -144,6 +169,20 @@ void wxWindowBase::InitBase() #if wxUSE_CARET m_caret = (wxCaret *)NULL; #endif // wxUSE_CARET + +#if wxUSE_PALETTE + m_hasCustomPalette = FALSE; +#endif // wxUSE_PALETTE + + m_virtualSize = wxDefaultSize; + + m_minVirtualWidth = + m_minVirtualHeight = + m_maxVirtualWidth = + m_maxVirtualHeight = -1; + + // Whether we're using the current theme for this window (wxGTK only for now) + m_themeEnabled = FALSE; } // common part of window creation process @@ -152,12 +191,13 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, const wxPoint& WXUNUSED(pos), const wxSize& WXUNUSED(size), long style, + const wxValidator& validator, const wxString& name) { // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other // member variables - check that it has been called (will catch the case // when a new ctor is added which doesn't call InitWindow) - wxASSERT_MSG( m_isWindow, _T("Init() must have been called before!") ); + wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") ); // generate a new id if the user doesn't care about it m_windowId = id == -1 ? NewControlId() : id; @@ -166,6 +206,18 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, SetWindowStyleFlag(style); SetParent(parent); +#if wxUSE_VALIDATORS + SetValidator(validator); +#endif // wxUSE_VALIDATORS + + // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to + // have it too - like this it's possible to set it only in the top level + // dialog/frame and all children will inherit it by defult + if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) ) + { + SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY); + } + return TRUE; } @@ -176,6 +228,8 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, // common clean up wxWindowBase::~wxWindowBase() { + wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") ); + // FIXME if these 2 cases result from programming errors in the user code // we should probably assert here instead of silently fixing them @@ -187,18 +241,17 @@ wxWindowBase::~wxWindowBase() // we weren't a dialog class wxTopLevelWindows.DeleteObject(this); - wxASSERT_MSG( GetChildren().GetCount() == 0, _T("children not destroyed") ); + wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") ); #if wxUSE_CARET if ( m_caret ) delete m_caret; #endif // wxUSE_CARET +#if wxUSE_VALIDATORS if ( m_windowValidator ) delete m_windowValidator; - - if ( m_clientObject ) - delete m_clientObject; +#endif // wxUSE_VALIDATORS #if wxUSE_CONSTRAINTS // Have to delete constraints/sizer FIRST otherwise sizers may try to look @@ -214,14 +267,14 @@ wxWindowBase::~wxWindowBase() m_constraints = NULL; } +#endif // wxUSE_CONSTRAINTS + + if ( m_containingSizer ) + m_containingSizer->Remove((wxWindow*)this); + if ( m_windowSizer ) delete m_windowSizer; - // If this is a child of a sizer, remove self from parent - if ( m_sizerParent ) - m_sizerParent->RemoveChild(this); -#endif // wxUSE_CONSTRAINTS - #if wxUSE_DRAG_AND_DROP if ( m_dropTarget ) delete m_dropTarget; @@ -231,6 +284,12 @@ wxWindowBase::~wxWindowBase() if ( m_tooltip ) delete m_tooltip; #endif // wxUSE_TOOLTIPS + + // reset the dangling pointer our parent window may keep to us + if ( m_parent && m_parent->GetDefaultItem() == this ) + { + m_parent->SetDefaultItem(NULL); + } } bool wxWindowBase::Destroy() @@ -266,87 +325,253 @@ bool wxWindowBase::DestroyChildren() wxWindow *child = node->GetData(); - wxASSERT_MSG( child, _T("children list contains empty nodes") ); + wxASSERT_MSG( child, wxT("children list contains empty nodes") ); + child->Show(FALSE); delete child; wxASSERT_MSG( !GetChildren().Find(child), - _T("child didn't remove itself using RemoveChild()") ); + wxT("child didn't remove itself using RemoveChild()") ); } return TRUE; } // ---------------------------------------------------------------------------- -// centre/fit the window +// size/position related methods // ---------------------------------------------------------------------------- // centre the window with respect to its parent in either (or both) directions void wxWindowBase::Centre(int direction) { + // the position/size of the parent window or of the entire screen + wxPoint posParent; int widthParent, heightParent; - wxWindow *parent = GetParent(); - if ( parent ) + wxWindow *parent = NULL; + + if ( !(direction & wxCENTRE_ON_SCREEN) ) { - parent->GetClientSize(&widthParent, &heightParent); + // find the parent to centre this window on: it should be the + // immediate parent for the controls but the top level parent for the + // top level windows (like dialogs) + parent = GetParent(); + if ( IsTopLevel() ) + { + while ( parent && !parent->IsTopLevel() ) + { + parent = parent->GetParent(); + } + } + + // there is no wxTopLevelWindow under wxMotif yet +#ifndef __WXMOTIF__ + // we shouldn't center the dialog on the iconized window: under + // Windows, for example, this places it completely off the screen + if ( parent ) + { + wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow); + if ( winTop && winTop->IsIconized() ) + { + parent = NULL; + } + } +#endif // __WXMOTIF__ + + // did we find the parent? + if ( !parent ) + { + // no other choice + direction |= wxCENTRE_ON_SCREEN; + } } - else + + if ( direction & wxCENTRE_ON_SCREEN ) { // centre with respect to the whole screen wxDisplaySize(&widthParent, &heightParent); } + else + { + if ( IsTopLevel() ) + { + // centre on the parent + parent->GetSize(&widthParent, &heightParent); + + // adjust to the parents position + posParent = parent->GetPosition(); + } + else + { + // centre inside the parents client rectangle + parent->GetClientSize(&widthParent, &heightParent); + } + } int width, height; GetSize(&width, &height); - int new_x = -1, - new_y = -1; + int xNew = -1, + yNew = -1; if ( direction & wxHORIZONTAL ) - new_x = (widthParent - width)/2; + xNew = (widthParent - width)/2; if ( direction & wxVERTICAL ) - new_y = (heightParent - height)/2; + yNew = (heightParent - height)/2; + + xNew += posParent.x; + yNew += posParent.y; - Move(new_x, new_y); + // Base size of the visible dimensions of the display + // to take into account the taskbar + wxRect rect = wxGetClientDisplayRect(); + wxSize size (rect.width,rect.height); + + // NB: in wxMSW, negative position may not neccessary mean "out of screen", + // but it may mean that the window is placed on other than the main + // display. Therefore we only make sure centered window is on the main display + // if the parent is at least partially present here. + if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display + { + if (xNew < 0) + xNew = 0; + else if (xNew+width > size.x) + xNew = size.x-width-1; + } + if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display + { + if (yNew+height > size.y) + yNew = size.y-height-1; + + // Make certain that the title bar is initially visible + // always, even if this would push the bottom of the + // dialog of the visible area of the display + if (yNew < 0) + yNew = 0; + } + + // move the window to this position (keeping the old size but using + // SetSize() and not Move() to allow xNew and/or yNew to be -1) + SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE); } // fits the window around the children void wxWindowBase::Fit() { - int maxX = 0, - maxY = 0; + if ( GetChildren().GetCount() > 0 ) + { + SetClientSize(DoGetBestSize()); + } + //else: do nothing if we have no children +} - wxWindowList::Node *node = GetChildren().GetFirst(); - while ( node ) +// return the size best suited for the current window +wxSize wxWindowBase::DoGetBestSize() const +{ + if ( m_windowSizer ) { - wxWindow *win = node->GetData(); - if ( win->IsKindOf(CLASSINFO(wxFrame)) || - win->IsKindOf(CLASSINFO(wxDialog)) ) + return m_windowSizer->GetMinSize(); + } +#if wxUSE_CONSTRAINTS + else if ( m_constraints ) + { + wxConstCast(this, wxWindowBase)->SatisfyConstraints(); + + // our minimal acceptable size is such that all our windows fit inside + int maxX = 0, + maxY = 0; + + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) { - // dialogs and frames line in different top level windows - don't - // deal with them here - continue; + wxLayoutConstraints *c = node->GetData()->GetConstraints(); + if ( !c ) + { + // it's not normal that we have an unconstrained child, but + // what can we do about it? + continue; + } + + int x = c->right.GetValue(), + y = c->bottom.GetValue(); + + if ( x > maxX ) + maxX = x; + + if ( y > maxY ) + maxY = y; + + // TODO: we must calculate the overlaps somehow, otherwise we + // will never return a size bigger than the current one :-( } - 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; + return wxSize(maxX, maxY); + } +#endif // wxUSE_CONSTRAINTS + else if ( GetChildren().GetCount() > 0 ) + { + // our minimal acceptable size is such that all our windows fit inside + int maxX = 0, + maxY = 0; - node = node->GetNext(); + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *win = node->GetData(); + if ( win->IsTopLevel() +#if wxUSE_STATUSBAR + || wxDynamicCast(win, wxStatusBar) +#endif // wxUSE_STATUSBAR + ) + { + // dialogs and frames lie in different top level windows - + // don't deal with them here; as for the status bars, they + // don't lie in the client area at all + continue; + } + + int wx, wy, ww, wh; + win->GetPosition(&wx, &wy); + + // if the window hadn't been positioned yet, assume that it is in + // the origin + if ( wx == -1 ) + wx = 0; + if ( wy == -1 ) + wy = 0; + + win->GetSize(&ww, &wh); + if ( wx + ww > maxX ) + maxX = wx + ww; + if ( wy + wh > maxY ) + maxY = wy + wh; + } + + // for compatibility with the old versions and because it really looks + // slightly more pretty like this, add a pad + maxX += 7; + maxY += 14; + + return wxSize(maxX, maxY); } + else + { + // for a generic window there is no natural best size - just use the + // current one + return GetSize(); + } +} - // leave a margin - SetClientSize(maxX + 7, maxY + 14); +// by default the origin is not shifted +wxPoint wxWindowBase::GetClientAreaOrigin() const +{ + return wxPoint(0, 0); } // set the min/max size of the window - void wxWindowBase::SetSizeHints(int minW, int minH, int maxW, int maxH, int WXUNUSED(incW), int WXUNUSED(incH)) @@ -357,6 +582,43 @@ void wxWindowBase::SetSizeHints(int minW, int minH, m_maxHeight = maxH; } +void wxWindowBase::SetVirtualSizeHints( int minW, int minH, + int maxW, int maxH ) +{ + m_minVirtualWidth = minW; + m_maxVirtualWidth = maxW; + m_minVirtualHeight = minH; + m_maxVirtualHeight = maxH; + + SetVirtualSize( GetClientSize() ); +} + +void wxWindowBase::DoSetVirtualSize( int x, int y ) +{ + if ( m_minVirtualWidth != -1 && m_minVirtualWidth > x ) + x = m_minVirtualWidth; + if ( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x ) + x = m_maxVirtualWidth; + if ( m_minVirtualHeight != -1 && m_minVirtualHeight > y ) + y = m_minVirtualHeight; + if ( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y ) + y = m_maxVirtualHeight; + + m_virtualSize = wxSize(x, y); +} + +wxSize wxWindowBase::DoGetVirtualSize() const +{ + wxSize s( GetClientSize() ); + + if( m_virtualSize.GetWidth() != -1 ) + s.SetWidth( m_virtualSize.GetWidth() ); + if( m_virtualSize.GetHeight() != -1 ) + s.SetHeight( m_virtualSize.GetHeight() ); + + return s; +} + // ---------------------------------------------------------------------------- // show/hide/enable/disable the window // ---------------------------------------------------------------------------- @@ -388,6 +650,14 @@ bool wxWindowBase::Enable(bool enable) return FALSE; } } +// ---------------------------------------------------------------------------- +// RTTI +// ---------------------------------------------------------------------------- + +bool wxWindowBase::IsTopLevel() const +{ + return FALSE; +} // ---------------------------------------------------------------------------- // reparenting the window @@ -395,7 +665,12 @@ bool wxWindowBase::Enable(bool enable) void wxWindowBase::AddChild(wxWindowBase *child) { - wxCHECK_RET( child, _T("can't add a NULL child") ); + wxCHECK_RET( child, wxT("can't add a NULL child") ); + + // this should never happen and it will lead to a crash later if it does + // because RemoveChild() will remove only one node from the children list + // and the other(s) one(s) will be left with dangling pointers in them + wxASSERT_MSG( !GetChildren().Find(child), _T("AddChild() called twice") ); GetChildren().Append(child); child->SetParent(this); @@ -403,7 +678,7 @@ void wxWindowBase::AddChild(wxWindowBase *child) void wxWindowBase::RemoveChild(wxWindowBase *child) { - wxCHECK_RET( child, _T("can't remove a NULL child") ); + wxCHECK_RET( child, wxT("can't remove a NULL child") ); GetChildren().DeleteObject(child); child->SetParent((wxWindow *)NULL); @@ -469,6 +744,41 @@ wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) return handlerA; } +bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler) +{ + wxCHECK_MSG( handler, FALSE, _T("RemoveEventHandler(NULL) called") ); + + wxEvtHandler *handlerPrev = NULL, + *handlerCur = GetEventHandler(); + while ( handlerCur ) + { + wxEvtHandler *handlerNext = handlerCur->GetNextHandler(); + + if ( handlerCur == handler ) + { + if ( handlerPrev ) + { + handlerPrev->SetNextHandler(handlerNext); + } + else + { + SetEventHandler(handlerNext); + } + + handler->SetNextHandler(NULL); + + return TRUE; + } + + handlerPrev = handlerCur; + handlerCur = handlerNext; + } + + wxFAIL_MSG( _T("where has the event handler gone?") ); + + return FALSE; +} + // ---------------------------------------------------------------------------- // cursors, fonts &c // ---------------------------------------------------------------------------- @@ -480,6 +790,8 @@ bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) m_backgroundColour = colour; + m_hasBgCol = TRUE; + return TRUE; } @@ -490,21 +802,22 @@ bool wxWindowBase::SetForegroundColour( const wxColour &colour ) m_foregroundColour = colour; + m_hasFgCol = TRUE; + return TRUE; } bool wxWindowBase::SetCursor(const wxCursor& cursor) { - // don't try to set invalid cursor, always fall back to the default - const wxCursor& cursorOk = cursor.Ok() ? cursor : *wxSTANDARD_CURSOR; - - if ( cursorOk == m_cursor ) + // setting an invalid cursor is ok, it means that we don't have any special + // cursor + if ( m_cursor == cursor ) { // no change return FALSE; } - m_cursor = cursorOk; + m_cursor = cursor; return TRUE; } @@ -522,9 +835,36 @@ bool wxWindowBase::SetFont(const wxFont& font) m_font = fontOk; + m_hasFont = TRUE; + return TRUE; } +#if wxUSE_PALETTE + +void wxWindowBase::SetPalette(const wxPalette& pal) +{ + m_hasCustomPalette = TRUE; + m_palette = pal; + + // VZ: can anyone explain me what do we do here? + wxWindowDC d((wxWindow *) this); + d.SetPalette(pal); +} + +wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const +{ + wxWindow *win = (wxWindow *)this; + while ( win && !win->HasCustomPalette() ) + { + win = win->GetParent(); + } + + return win; +} + +#endif // wxUSE_PALETTE + #if wxUSE_CARET void wxWindowBase::SetCaret(wxCaret *caret) { @@ -538,11 +878,12 @@ void wxWindowBase::SetCaret(wxCaret *caret) if ( m_caret ) { wxASSERT_MSG( m_caret->GetWindow() == this, - "caret should be created associated to this window" ); + wxT("caret should be created associated to this window") ); } } #endif // wxUSE_CARET +#if wxUSE_VALIDATORS // ---------------------------------------------------------------------------- // validators // ---------------------------------------------------------------------------- @@ -557,11 +898,24 @@ void wxWindowBase::SetValidator(const wxValidator& validator) if ( m_windowValidator ) m_windowValidator->SetWindow(this) ; } +#endif // wxUSE_VALIDATORS // ---------------------------------------------------------------------------- -// update region testing +// update region stuff // ---------------------------------------------------------------------------- +wxRect wxWindowBase::GetUpdateClientRect() const +{ + wxRegion rgnUpdate = GetUpdateRegion(); + rgnUpdate.Intersect(GetClientRect()); + wxRect rectUpdate = rgnUpdate.GetBox(); + wxPoint ptOrigin = GetClientAreaOrigin(); + rectUpdate.x -= ptOrigin.x; + rectUpdate.y -= ptOrigin.y; + + return rectUpdate; +} + bool wxWindowBase::IsExposed(int x, int y) const { return m_updateRegion.Contains(x, y) != wxOutRegion; @@ -573,7 +927,7 @@ bool wxWindowBase::IsExposed(int x, int y, int w, int h) const } // ---------------------------------------------------------------------------- -// find window by id or name +// find child window by id or name // ---------------------------------------------------------------------------- wxWindow *wxWindowBase::FindWindow( long id ) @@ -608,33 +962,176 @@ wxWindow *wxWindowBase::FindWindow( const wxString& name ) return (wxWindow *)res; } + +// find any window by id or name or label: If parent is non-NULL, look through +// children for a label or title matching the specified string. If NULL, look +// through all top-level windows. +// +// to avoid duplicating code we reuse the same helper function but with +// different comparators + +typedef bool (*wxFindWindowCmp)(const wxWindow *win, + const wxString& label, long id); + +static +bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) +{ + return win->GetLabel() == label; +} + +static +bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) +{ + return win->GetName() == label; +} + +static +bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label), + long id) +{ + return win->GetId() == id; +} + +// recursive helper for the FindWindowByXXX() functions +static +wxWindow *wxFindWindowRecursively(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) +{ + if ( parent ) + { + // see if this is the one we're looking for + if ( (*cmp)(parent, label, id) ) + return (wxWindow *)parent; + + // It wasn't, so check all its children + for ( wxWindowList::Node * node = parent->GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each child + wxWindow *win = (wxWindow *)node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; + } + } + + // Not found + return NULL; +} + +// helper for FindWindowByXXX() +static +wxWindow *wxFindWindowHelper(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) +{ + if ( parent ) + { + // just check parent and all its children + return wxFindWindowRecursively(parent, label, id, cmp); + } + + // start at very top of wx's windows + for ( wxWindowList::Node * node = wxTopLevelWindows.GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each window & its children + wxWindow *win = node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; + } + + return NULL; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent) +{ + return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels); +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent) +{ + wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames); + + if ( !win ) + { + // fall back to the label + win = FindWindowByLabel(title, parent); + } + + return win; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowById( long id, const wxWindow* parent ) +{ + return wxFindWindowHelper(parent, _T(""), id, wxFindWindowCmpIds); +} + // ---------------------------------------------------------------------------- // dialog oriented functions // ---------------------------------------------------------------------------- -void wxWindowBase::MakeModal(bool WXUNUSED(modal)) +void wxWindowBase::MakeModal(bool modal) { - wxFAIL_MSG(_T("TODO")); + // Disable all other windows + if ( IsTopLevel() ) + { + wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if (win != this) + win->Enable(!modal); + + node = node->GetNext(); + } + } } bool wxWindowBase::Validate() { +#if wxUSE_VALIDATORS + bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + wxWindowList::Node *node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { wxWindowBase *child = node->GetData(); wxValidator *validator = child->GetValidator(); - if ( validator && validator->Validate((wxWindow *)this) ) + if ( validator && !validator->Validate((wxWindow *)this) ) + { + return FALSE; + } + + if ( recurse && !child->Validate() ) { return FALSE; } } +#endif // wxUSE_VALIDATORS return TRUE; } bool wxWindowBase::TransferDataToWindow() { +#if wxUSE_VALIDATORS + bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + wxWindowList::Node *node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { @@ -642,32 +1139,54 @@ bool wxWindowBase::TransferDataToWindow() wxValidator *validator = child->GetValidator(); if ( validator && !validator->TransferToWindow() ) { - wxLog *log = wxLog::GetActiveTarget(); - if ( log ) - { - wxLogWarning(_("Could not transfer data to window")); - log->Flush(); - } + wxLogWarning(_("Could not transfer data to window")); + wxLog::FlushActive(); return FALSE; } + + if ( recurse ) + { + if ( !child->TransferDataToWindow() ) + { + // warning already given + return FALSE; + } + } } +#endif // wxUSE_VALIDATORS return TRUE; } bool wxWindowBase::TransferDataFromWindow() { +#if wxUSE_VALIDATORS + bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + wxWindowList::Node *node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { wxWindow *child = node->GetData(); - if ( child->GetValidator() && - !child->GetValidator()->TransferFromWindow() ) + wxValidator *validator = child->GetValidator(); + if ( validator && !validator->TransferFromWindow() ) { + // nop warning here because the application is supposed to give + // one itself - we don't know here what might have gone wrongly + return FALSE; } + + if ( recurse ) + { + if ( !child->TransferDataFromWindow() ) + { + // warning already given + return FALSE; + } + } } +#endif // wxUSE_VALIDATORS return TRUE; } @@ -680,7 +1199,65 @@ void wxWindowBase::InitDialog() } // ---------------------------------------------------------------------------- -// tooltips +// context-sensitive help support +// ---------------------------------------------------------------------------- + +#if wxUSE_HELP + +// associate this help text with this window +void wxWindowBase::SetHelpText(const wxString& text) +{ + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + helpProvider->AddHelp(this, text); + } +} + +// associate this help text with all windows with the same id as this +// one +void wxWindowBase::SetHelpTextForId(const wxString& text) +{ + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + helpProvider->AddHelp(GetId(), text); + } +} + +// get the help string associated with this window (may be empty) +wxString wxWindowBase::GetHelpText() const +{ + wxString text; + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + text = helpProvider->GetHelp(this); + } + + return text; +} + +// show help for this window +void wxWindowBase::OnHelp(wxHelpEvent& event) +{ + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + if ( helpProvider->ShowHelp(this) ) + { + // skip the event.Skip() below + return; + } + } + + event.Skip(); +} + +#endif // wxUSE_HELP + +// ---------------------------------------------------------------------------- +// tooltipsroot.Replace("\\", "/"); // ---------------------------------------------------------------------------- #if wxUSE_TOOLTIPS @@ -823,106 +1400,144 @@ void wxWindowBase::DeleteRelatedConstraints() } } -void wxWindowBase::SetSizer(wxSizer *sizer) +#endif // wxUSE_CONSTRAINTS + +void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld) { + if ( deleteOld ) + delete m_windowSizer; + m_windowSizer = sizer; - if ( sizer ) - sizer->SetSizerParent(this); + + SetAutoLayout( sizer != NULL ); } -bool wxWindowBase::Layout() +void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld) { - if ( GetConstraints() ) + SetSizer( sizer, deleteOld ); + sizer->SetSizeHints( (wxWindow*) this ); +} + +#if wxUSE_CONSTRAINTS + +void wxWindowBase::SatisfyConstraints() +{ + wxLayoutConstraints *constr = GetConstraints(); + bool wasOk = constr && constr->AreSatisfied(); + + ResetConstraints(); // Mark all constraints as unevaluated + + int noChanges = 1; + + // if we're a top level panel (i.e. our parent is frame/dialog), our + // own constraints will never be satisfied any more unless we do it + // here + if ( wasOk ) { - int w, h; - GetClientSize(&w, &h); - GetConstraints()->width.SetValue(w); - GetConstraints()->height.SetValue(h); + while ( noChanges > 0 ) + { + LayoutPhase1(&noChanges); + } } - // If top level (one sizer), evaluate the sizer's constraints. + LayoutPhase2(&noChanges); +} + +#endif // wxUSE_CONSTRAINTS + +bool wxWindowBase::Layout() +{ + // If there is a sizer, use it instead of the 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; + int w, h; + GetVirtualSize(&w, &h); + GetSizer()->SetDimension( 0, 0, w, h ); } +#if wxUSE_CONSTRAINTS else { - // Otherwise, evaluate child constraints - ResetConstraints(); // Mark all constraints as unevaluated - DoPhase(1); // Just one phase need if no sizers involved - DoPhase(2); + SatisfyConstraints(); // Find the right constraints values SetConstraintSizes(); // Recursively set the real window sizes } +#endif + return TRUE; } +#if wxUSE_CONSTRAINTS -// 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. +// first phase of the constraints evaluation: set our own constraints bool wxWindowBase::LayoutPhase1(int *noChanges) { wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) - { - return constr->SatisfyConstraints(this, noChanges); - } - else - return TRUE; + + return !constr || constr->SatisfyConstraints(this, noChanges); } +// second phase: set the constraints for our children bool wxWindowBase::LayoutPhase2(int *noChanges) { *noChanges = 0; // Layout children DoPhase(1); + + // Layout grand children DoPhase(2); + return TRUE; } // Do a phase of evaluating child constraints bool wxWindowBase::DoPhase(int phase) { - int noIterations = 0; - int maxIterations = 500; - int noChanges = 1; - int noFailures = 0; + // the list containing the children for which the constraints are already + // set correctly wxWindowList succeeded; - while ((noChanges > 0) && (noIterations < maxIterations)) + + // the max number of iterations we loop before concluding that we can't set + // the constraints + static const int maxIterations = 500; + + for ( int noIterations = 0; noIterations < maxIterations; noIterations++ ) { - noChanges = 0; - noFailures = 0; - wxWindowList::Node *node = GetChildren().GetFirst(); - while (node) + int noChanges = 0; + + // loop over all children setting their constraints + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) { wxWindow *child = node->GetData(); - if ( !child->IsKindOf(CLASSINFO(wxFrame)) && !child->IsKindOf(CLASSINFO(wxDialog)) ) + if ( child->IsTopLevel() ) { - wxLayoutConstraints *constr = child->GetConstraints(); - if ( constr ) - { - if ( !succeeded.Find(child) ) - { - int tempNoChanges = 0; - bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ; - noChanges += tempNoChanges; - if ( success ) - { - succeeded.Append(child); - } - } - } + // top level children are not inside our client area + continue; + } + + if ( !child->GetConstraints() || succeeded.Find(child) ) + { + // this one is either already ok or nothing we can do about it + continue; + } + + int tempNoChanges = 0; + bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges) + : child->LayoutPhase2(&tempNoChanges); + noChanges += tempNoChanges; + + if ( success ) + { + succeeded.Append(child); } - node = node->GetNext(); } - noIterations++; + if ( !noChanges ) + { + // constraints are set + break; + } } return TRUE; @@ -942,11 +1557,12 @@ void wxWindowBase::ResetConstraints() constr->centreX.SetDone(FALSE); constr->centreY.SetDone(FALSE); } + wxWindowList::Node *node = GetChildren().GetFirst(); while (node) { wxWindow *win = node->GetData(); - if ( !win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) ) + if ( !win->IsTopLevel() ) win->ResetConstraints(); node = node->GetNext(); } @@ -957,44 +1573,29 @@ void wxWindowBase::ResetConstraints() void wxWindowBase::SetConstraintSizes(bool recurse) { wxLayoutConstraints *constr = GetConstraints(); - if ( constr && constr->left.GetDone() && constr->right.GetDone( ) && - constr->width.GetDone() && constr->height.GetDone()) + if ( constr && constr->AreSatisfied() ) { 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)) + (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); + SetSize(x, y, w, h); } else { - SizerMove(x, y); + // If we don't want to resize this window, just move it... + Move(x, y); } } else if ( constr ) { - wxChar *windowClass = GetClassInfo()->GetClassName(); - - wxString winName; - if ( GetName() == _T("") ) - winName = _T("unnamed"); - else - winName = GetName(); - wxLogDebug( _T("Constraint(s) not satisfied for window of type %s, name %s:\n"), - (const wxChar *)windowClass, - (const wxChar *)winName); - if ( !constr->left.GetDone()) wxLogDebug( _T(" unsatisfied 'left' constraint.\n") ); - if ( !constr->right.GetDone()) wxLogDebug( _T(" unsatisfied 'right' constraint.\n") ); - if ( !constr->width.GetDone()) wxLogDebug( _T(" unsatisfied 'width' constraint.\n") ); - if ( !constr->height.GetDone()) wxLogDebug( _T(" unsatisfied 'height' constraint.\n") ); - wxLogDebug( _T("Please check constraints: try adding AsIs() constraints.\n") ); + wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."), + GetClassInfo()->GetClassName(), + GetName().c_str()); } if ( recurse ) @@ -1003,44 +1604,13 @@ void wxWindowBase::SetConstraintSizes(bool recurse) while (node) { wxWindow *win = node->GetData(); - if ( !win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) ) + if ( !win->IsTopLevel() && win->GetConstraints() ) win->SetConstraintSizes(); node = node->GetNext(); } } } -// This assumes that all sizers are 'on' the same window, i.e. the parent of -// this window. -void wxWindowBase::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 wxWindowBase::SizerSetSize(int x, int y, int w, int h) -{ - int xx = x; - int yy = y; - TransformSizerToActual(&xx, &yy); - SetSize(xx, yy, w, h); -} - -void wxWindowBase::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 wxWindowBase::SetSizeConstraint(int x, int y, int w, int h) { @@ -1126,6 +1696,22 @@ void wxWindowBase::GetPositionConstraint(int *x, int *y) const #endif // wxUSE_CONSTRAINTS +void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const +{ + // don't do it for the dialogs/frames - they float independently of their + // parent + if ( !IsTopLevel() ) + { + wxWindow *parent = GetParent(); + if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent ) + { + wxPoint pt(parent->GetClientAreaOrigin()); + x += pt.x; + y += pt.y; + } + } +} + // ---------------------------------------------------------------------------- // do Update UI processing for child controls // ---------------------------------------------------------------------------- @@ -1136,32 +1722,49 @@ void wxWindowBase::GetPositionConstraint(int *x, int *y) const // of control classes. void wxWindowBase::UpdateWindowUI() { - wxWindowID id = GetId(); - if ( id > 0 ) +#if wxUSE_CONTROLS + wxUpdateUIEvent event(GetId()); + event.m_eventObject = this; + + if ( GetEventHandler()->ProcessEvent(event) ) { - wxUpdateUIEvent event(id); - event.m_eventObject = this; + if ( event.GetSetEnabled() ) + Enable(event.GetEnabled()); - if ( GetEventHandler()->ProcessEvent(event) ) + if ( event.GetSetText() ) { - if ( event.GetSetEnabled() ) - Enable(event.GetEnabled()); - - if ( event.GetSetText() && IsKindOf(CLASSINFO(wxControl)) ) - ((wxControl*)this)->SetLabel(event.GetText()); - - if ( IsKindOf(CLASSINFO(wxCheckBox)) ) + wxControl *control = wxDynamicCastThis(wxControl); + if ( control ) { - if ( event.GetSetChecked() ) - ((wxCheckBox *)this)->SetValue(event.GetChecked()); - } - else if ( IsKindOf(CLASSINFO(wxRadioButton)) ) - { - if ( event.GetSetChecked() ) - ((wxRadioButton *) this)->SetValue(event.GetChecked()); +#if wxUSE_TEXTCTRL + wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl); + if ( text ) + text->SetValue(event.GetText()); + else +#endif // wxUSE_TEXTCTRL + control->SetLabel(event.GetText()); } } + +#if wxUSE_CHECKBOX + wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox); + if ( checkbox ) + { + if ( event.GetSetChecked() ) + checkbox->SetValue(event.GetChecked()); + } +#endif // wxUSE_CHECKBOX + +#if wxUSE_RADIOBTN + wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton); + if ( radiobtn ) + { + if ( event.GetSetChecked() ) + radiobtn->SetValue(event.GetChecked()); + } +#endif // wxUSE_RADIOBTN } +#endif // wxUSE_CONTROLS } // ---------------------------------------------------------------------------- @@ -1172,9 +1775,11 @@ wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2; - pt2.x = (int) ((pt.x * 4) / charWidth) ; - pt2.y = (int) ((pt.y * 8) / charHeight) ; + wxPoint pt2(-1, -1); + if (pt.x != -1) + pt2.x = (int) ((pt.x * 4) / charWidth) ; + if (pt.y != -1) + pt2.y = (int) ((pt.y * 8) / charHeight) ; return pt2; } @@ -1183,9 +1788,11 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2; - pt2.x = (int) ((pt.x * charWidth) / 4) ; - pt2.y = (int) ((pt.y * charHeight) / 8) ; + wxPoint pt2(-1, -1); + if (pt.x != -1) + pt2.x = (int) ((pt.x * charWidth) / 4) ; + if (pt.y != -1) + pt2.y = (int) ((pt.y * charHeight) / 8) ; return pt2; } @@ -1219,6 +1826,71 @@ void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) TransferDataToWindow(); } +// process Ctrl-Alt-mclick +void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) +{ +#if wxUSE_MSGDLG + if ( event.ControlDown() && event.AltDown() ) + { + // don't translate these strings + wxString port; + +#ifdef __WXUNIVERSAL__ + port = _T("Univ/"); +#endif // __WXUNIVERSAL__ + + switch ( wxGetOsVersion() ) + { + case wxMOTIF_X: port = _T("Motif"); break; + case wxMAC: + case wxMAC_DARWIN: port = _T("Mac"); break; + case wxBEOS: port = _T("BeOS"); break; + case wxGTK: + case wxGTK_WIN32: + case wxGTK_OS2: + case wxGTK_BEOS: port = _T("GTK"); break; + case wxWINDOWS: + case wxPENWINDOWS: + case wxWINDOWS_NT: + case wxWIN32S: + case wxWIN95: + case wxWIN386: port = _T("MS Windows"); break; + case wxMGL_UNIX: + case wxMGL_X: + case wxMGL_WIN32: + case wxMGL_OS2: port = _T("MGL"); break; + case wxWINDOWS_OS2: + case wxOS2_PM: port = _T("OS/2"); break; + default: port = _T("unknown"); break; + } + + wxMessageBox(wxString::Format( + _T( + " wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2002 wxWindows team" + ), + port.c_str(), + wxMAJOR_VERSION, + wxMINOR_VERSION, + wxRELEASE_NUMBER, +#if wxUSE_UNICODE + L" (Unicode)", +#else + "", +#endif + __TDATE__, + __TTIME__ + ), + _T("wxWindows information"), + wxICON_INFORMATION | wxOK, + (wxWindow *)this); + } + else +#endif // wxUSE_MSGDLG + { + event.Skip(); + } +} + // ---------------------------------------------------------------------------- // list classes implementation // ---------------------------------------------------------------------------- @@ -1228,3 +1900,109 @@ void wxWindowListNode::DeleteData() delete (wxWindow *)GetData(); } +// ---------------------------------------------------------------------------- +// borders +// ---------------------------------------------------------------------------- + +wxBorder wxWindowBase::GetBorder() const +{ + wxBorder border = (wxBorder)(m_windowStyle & wxBORDER_MASK); + if ( border == wxBORDER_DEFAULT ) + { + border = GetDefaultBorder(); + } + + return border; +} + +wxBorder wxWindowBase::GetDefaultBorder() const +{ + return wxBORDER_NONE; +} + +// ---------------------------------------------------------------------------- +// hit testing +// ---------------------------------------------------------------------------- + +wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const +{ + // here we just check if the point is inside the window or not + + // check the top and left border first + bool outside = x < 0 || y < 0; + if ( !outside ) + { + // check the right and bottom borders too + wxSize size = GetSize(); + outside = x >= size.x || y >= size.y; + } + + return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE; +} + +// ---------------------------------------------------------------------------- +// mouse capture +// ---------------------------------------------------------------------------- + +struct WXDLLEXPORT wxWindowNext +{ + wxWindow *win; + wxWindowNext *next; +} *wxWindowBase::ms_winCaptureNext = NULL; + +void wxWindowBase::CaptureMouse() +{ + wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this); + + wxWindow *winOld = GetCapture(); + if ( winOld ) + { + ((wxWindowBase*) winOld)->DoReleaseMouse(); + + // save it on stack + wxWindowNext *item = new wxWindowNext; + item->win = winOld; + item->next = ms_winCaptureNext; + ms_winCaptureNext = item; + } + //else: no mouse capture to save + + DoCaptureMouse(); +} + +void wxWindowBase::ReleaseMouse() +{ + wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this); + + wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") ); + + DoReleaseMouse(); + + if ( ms_winCaptureNext ) + { + ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse(); + + wxWindowNext *item = ms_winCaptureNext; + ms_winCaptureNext = item->next; + delete item; + } + //else: stack is empty, no previous capture + + wxLogTrace(_T("mousecapture"), + _T("After ReleaseMouse() mouse is captured by %p"), + GetCapture()); +} + +// ---------------------------------------------------------------------------- +// global functions +// ---------------------------------------------------------------------------- + +wxWindow* wxGetTopLevelParent(wxWindow *win) +{ + while ( win && !win->IsTopLevel() ) + win = win->GetParent(); + + return win; +} + +// vi:sts=4:sw=4:et