X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cf6f325cd37652ca534329e4e8f8468e87836769..7419ba028c7e2d0e585a9b043af587d993da16a7:/src/common/combocmn.cpp diff --git a/src/common/combocmn.cpp b/src/common/combocmn.cpp index e2cb098146..564ee3cc54 100644 --- a/src/common/combocmn.cpp +++ b/src/common/combocmn.cpp @@ -25,17 +25,18 @@ #if wxUSE_COMBOCTRL +#include "wx/combobox.h" + #ifndef WX_PRECOMP #include "wx/log.h" - #include "wx/combobox.h" #include "wx/dcclient.h" #include "wx/settings.h" #include "wx/dialog.h" + #include "wx/timer.h" #endif #include "wx/dcbuffer.h" #include "wx/tooltip.h" -#include "wx/timer.h" #include "wx/combo.h" @@ -139,7 +140,7 @@ class wxComboFrameEventHandler : public wxEvtHandler { public: wxComboFrameEventHandler( wxComboCtrlBase* pCb ); - ~wxComboFrameEventHandler(); + virtual ~wxComboFrameEventHandler(); void OnPopup(); @@ -190,7 +191,7 @@ void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event ) { wxWindow* winFocused = ::wxWindow::FindFocus(); - wxWindow* popup = m_combo->GetPopupControl(); + wxWindow* popup = m_combo->GetPopupControl()->GetControl(); wxWindow* winpopup = m_combo->GetPopupWindow(); if ( @@ -385,7 +386,7 @@ void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo, { if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl { - combo->DrawFocusBackground(dc,rect,0); + combo->PrepareBackground(dc,rect,0); dc.DrawText( combo->GetValue(), rect.x + combo->GetTextIndent(), @@ -426,8 +427,7 @@ void wxComboPopup::Dismiss() // ---------------------------------------------------------------------------- // -// This is pushed to the event handler queue of either combo box -// or its textctrl (latter if not readonly combo). +// This is pushed to the event handler queue of the child textctrl. // class wxComboBoxExtraInputHandler : public wxEvtHandler { @@ -438,7 +438,7 @@ public: { m_combo = combo; } - ~wxComboBoxExtraInputHandler() { } + virtual ~wxComboBoxExtraInputHandler() { } void OnKey(wxKeyEvent& event); void OnFocus(wxFocusEvent& event); @@ -458,56 +458,16 @@ END_EVENT_TABLE() void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event) { - int keycode = event.GetKeyCode(); - - if ( keycode == WXK_TAB ) - { - wxNavigationKeyEvent evt; - evt.SetFlags(wxNavigationKeyEvent::FromTab| - (!event.ShiftDown()?wxNavigationKeyEvent::IsForward: - wxNavigationKeyEvent::IsBackward)); - evt.SetEventObject(m_combo); - m_combo->GetParent()->GetEventHandler()->AddPendingEvent(evt); - return; - } - - if ( m_combo->IsPopupShown() ) - { - // pass it to the popped up control - m_combo->GetPopupControl()->GetControl()->AddPendingEvent(event); - } - else // no popup - { - int comboStyle = m_combo->GetWindowStyle(); - wxComboPopup* popupInterface = m_combo->GetPopupControl(); + // Let the wxComboCtrl event handler have a go first. + wxComboCtrlBase* combo = m_combo; + wxObject* prevObj = event.GetEventObject(); - if ( !popupInterface ) - { - event.Skip(); - return; - } + event.SetId(combo->GetId()); + event.SetEventObject(combo); + combo->GetEventHandler()->ProcessEvent(event); - if ( (comboStyle & wxCB_READONLY) || - ( keycode != WXK_RIGHT && keycode != WXK_LEFT ) - ) - { - // Alternate keys: UP and DOWN show the popup instead of cycling - if ( (comboStyle & wxCC_ALT_KEYS) ) - { - if ( keycode == WXK_UP || keycode == WXK_DOWN ) - { - m_combo->OnButtonClick(); - return; - } - else - event.Skip(); - } - else - popupInterface->OnComboKeyEvent(event); - } - else - event.Skip(); - } + event.SetId(((wxWindow*)prevObj)->GetId()); + event.SetEventObject(prevObj); } void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event) @@ -522,17 +482,15 @@ void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event) m_combo->SetSelection(-1,-1); } - if ( event.GetId() != m_combo->GetId() ) - { - // Add textctrl set focus events as combo set focus events - // NOTE: Simply changing the event and skipping didn't seem - // to do the trick. - wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId()); - evt2.SetEventObject(m_combo); - m_combo->GetEventHandler()->ProcessEvent(evt2); - } - else - event.Skip(); + // Send focus indication to parent. + // NB: This is needed for cases where the textctrl gets focus + // instead of its parent. While this may trigger multiple + // wxEVT_SET_FOCUSes (since m_text->SetFocus is called + // from combo's focus event handler), they should be quite + // harmless. + wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId()); + evt2.SetEventObject(m_combo); + m_combo->GetEventHandler()->ProcessEvent(evt2); event.Skip(); } @@ -552,7 +510,7 @@ public: m_combo = combo; m_beenInside = false; } - ~wxComboPopupExtraEventHandler() { } + virtual ~wxComboPopupExtraEventHandler() { } void OnMouseEvent( wxMouseEvent& event ); @@ -644,6 +602,7 @@ BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl) EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent) EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent) //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent) + EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent) EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent) EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged) END_EVENT_TABLE() @@ -663,7 +622,6 @@ void wxComboCtrlBase::Init() m_text = (wxTextCtrl*) NULL; m_popupInterface = (wxComboPopup*) NULL; - m_extraEvtHandler = (wxEvtHandler*) NULL; m_popupExtraHandler = (wxEvtHandler*) NULL; m_textEvtHandler = (wxEvtHandler*) NULL; @@ -680,7 +638,7 @@ void wxComboCtrlBase::Init() m_btnState = 0; m_btnWidDefault = 0; m_blankButtonBg = false; - m_btnWid = m_btnHei = 0; + m_btnWid = m_btnHei = -1; m_btnSide = wxRIGHT; m_btnSpacingX = 0; @@ -688,7 +646,6 @@ void wxComboCtrlBase::Init() m_extRight = 0; m_absIndent = -1; m_iFlags = 0; - m_downReceived = false; m_timeCanAcceptClick = 0; } @@ -716,40 +673,45 @@ bool wxComboCtrlBase::Create(wxWindow *parent, OnThemeChange(); m_absIndent = GetNativeTextIndent(); + m_iFlags |= wxCC_IFLAG_CREATED; + + // If x and y indicate valid size, wxSizeEvent won't be + // emitted automatically, so we need to add artifical one. + if ( size.x > 0 && size.y > 0 ) + { + wxSizeEvent evt(size,GetId()); + GetEventHandler()->AddPendingEvent(evt); + } + return true; } -void wxComboCtrlBase::InstallInputHandlers( bool alsoTextCtrl ) +void wxComboCtrlBase::InstallInputHandlers() { - if ( m_text && alsoTextCtrl ) + if ( m_text ) { m_textEvtHandler = new wxComboBoxExtraInputHandler(this); m_text->PushEventHandler(m_textEvtHandler); } - - wxComboBoxExtraInputHandler* inputHandler = new wxComboBoxExtraInputHandler(this); - PushEventHandler(inputHandler); - m_extraEvtHandler = inputHandler; } -void wxComboCtrlBase::CreateTextCtrl( int extraStyle, const wxValidator& validator ) +void +wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator) { if ( !(m_windowStyle & wxCB_READONLY) ) { - m_text = new wxTextCtrl(this, - wxID_ANY, - m_valueString, - wxDefaultPosition, - wxDefaultSize, - // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is - // not used by the wxPropertyGrid and therefore the tab is - // processed by looking at ancestors to see if they have - // wxTAB_TRAVERSAL. The navigation event is then sent to - // the wrong window. - wxTE_PROCESS_TAB | - wxTE_PROCESS_ENTER | - extraStyle, - validator); + // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is + // not used by the wxPropertyGrid and therefore the tab is processed by + // looking at ancestors to see if they have wxTAB_TRAVERSAL. The + // navigation event is then sent to the wrong window. + style |= wxTE_PROCESS_TAB; + + if ( HasFlag(wxTE_PROCESS_ENTER) ) + style |= wxTE_PROCESS_ENTER; + + m_text = new wxTextCtrl(this, wxID_ANY, m_valueString, + wxDefaultPosition, wxDefaultSize, + style, validator); // This is required for some platforms (GTK+ atleast) m_text->SetSizeHints(2,4); @@ -774,23 +736,12 @@ wxComboCtrlBase::~wxComboCtrlBase() m_toplevEvtHandler = (wxEvtHandler*) NULL; #endif - if ( m_popup ) - m_popup->RemoveEventHandler(m_popupExtraHandler); - - delete m_popupExtraHandler; - - HidePopup(); - - delete m_popupInterface; - delete m_winPopup; - - RemoveEventHandler(m_extraEvtHandler); + DestroyPopup(); if ( m_text ) m_text->RemoveEventHandler(m_textEvtHandler); delete m_textEvtHandler; - delete m_extraEvtHandler; } @@ -803,7 +754,6 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth ) { wxSize sz = GetClientSize(); int customBorder = m_widthCustomBorder; - bool buttonOutside; int btnBorder; // border for button only // check if button should really be outside the border: we'll do it it if @@ -812,15 +762,13 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth ) if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) || (m_bmpNormal.Ok() && m_blankButtonBg) ) && m_btnSpacingX == 0 && - m_btnHei == 0 ) + m_btnHei <= 0 ) { - buttonOutside = true; m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE; btnBorder = 0; } else { - buttonOutside = false; m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE); btnBorder = customBorder; } @@ -839,20 +787,32 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth ) if ( butWidth <= 0 ) return; + int butHeight = sz.y - btnBorder*2; + // Adjust button width - if ( m_btnWid < 0 ) - butWidth += m_btnWid; - else if ( m_btnWid > 0 ) + if ( m_btnWid > 0 ) butWidth = m_btnWid; + else + { + // Adjust button width to match aspect ratio + // (but only if control is smaller than best size). + int bestHeight = GetBestSize().y; + int height = GetSize().y; - int butHeight = sz.y; - - butHeight -= btnBorder*2; + if ( height < bestHeight ) + { + // Make very small buttons square, as it makes + // them accommodate arrow image better and still + // looks decent. + if ( height > 18 ) + butWidth = (height*butWidth)/bestHeight; + else + butWidth = butHeight; + } + } // Adjust button height - if ( m_btnHei < 0 ) - butHeight += m_btnHei; - else if ( m_btnHei > 0 ) + if ( m_btnHei > 0 ) butHeight = m_btnHei; // Use size of normal bitmap if... @@ -880,7 +840,7 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth ) if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 ) { int newY = butHeight+(customBorder*2); - SetClientSize(-1,newY); + SetClientSize(wxDefaultCoord,newY); sz.y = newY; } } @@ -998,14 +958,6 @@ wxSize wxComboCtrlBase::DoGetBestSize() const return ret; } -void wxComboCtrlBase::DoMoveWindow(int x, int y, int width, int height) -{ - // SetSize is called last in create, so it marks the end of creation - m_iFlags |= wxCC_IFLAG_CREATED; - - wxControl::DoMoveWindow(x, y, width, height); -} - void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event ) { if ( !IsCreated() ) @@ -1083,8 +1035,9 @@ void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip) // painting // ---------------------------------------------------------------------------- -// draw focus background on area in a way typical on platform -void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags ) +#if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__) +// prepare combo box background on area in a way typical on platform +void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const { wxSize sz = GetClientSize(); bool isEnabled; @@ -1118,8 +1071,14 @@ void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int fla wxRect selRect(rect); selRect.y += focusSpacingY; selRect.height -= (focusSpacingY*2); - selRect.x += m_widthCustomPaint + focusSpacingX; - selRect.width -= m_widthCustomPaint + (focusSpacingX*2); + + int wcp = 0; + + if ( !(flags & wxCONTROL_ISSUBMENU) ) + wcp += m_widthCustomPaint; + + selRect.x += wcp + focusSpacingX; + selRect.width -= wcp + (focusSpacingX*2); wxColour bgCol; @@ -1147,7 +1106,19 @@ void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int fla dc.SetBrush( bgCol ); dc.SetPen( bgCol ); dc.DrawRectangle( selRect ); + + // Don't clip exactly to the selection rectangle so we can draw + // to the non-selected area in front of it. + wxRect clipRect(rect.x,rect.y, + (selRect.x+selRect.width)-rect.x,rect.height); + dc.SetClippingRegion(clipRect); } +#else +// Save the library size a bit for platforms that re-implement this. +void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const +{ +} +#endif void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg ) { @@ -1277,8 +1248,11 @@ wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event) { - // Change event id and relay it forward + // Change event id, object and string before relaying it forward event.SetId(GetId()); + wxString s = event.GetString(); + event.SetEventObject(this); + event.SetString(s); event.Skip(); } @@ -1371,56 +1345,21 @@ bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event, return true; } -// Conversion to double-clicks and some basic filtering // returns true if event was consumed or filtered -//bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea ) bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, - int flags ) + int WXUNUSED(flags) ) { wxLongLong t = ::wxGetLocalTimeMillis(); int evtType = event.GetEventType(); - // - // Generate our own double-clicks - // (to allow on-focus dc-event on double-clicks instead of triple-clicks) - if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) && - !m_isPopupShown && - //!(handlerFlags & wxCC_MF_ON_BUTTON) ) - !(flags & wxCC_MF_ON_BUTTON) ) +#if !USE_TRANSIENT_POPUP + if ( m_isPopupShown && + ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) ) { - if ( evtType == wxEVT_LEFT_DOWN ) - { - // Set value to avoid up-events without corresponding downs - m_downReceived = true; - } - else if ( evtType == wxEVT_LEFT_DCLICK ) - { - // We'll make our own double-clicks - //evtType = 0; - event.SetEventType(0); - return true; - } - else if ( evtType == wxEVT_LEFT_UP ) - { - if ( m_downReceived || m_timeLastMouseUp == 1 ) - { - wxLongLong timeFromLastUp = (t-m_timeLastMouseUp); - - if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD ) - { - //type = wxEVT_LEFT_DCLICK; - event.SetEventType(wxEVT_LEFT_DCLICK); - m_timeLastMouseUp = 1; - } - else - { - m_timeLastMouseUp = t; - } - - //m_downReceived = false; - } - } + HidePopup(); + return true; } +#endif // Filter out clicks on button immediately after popup dismiss (Windows like behaviour) if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick ) @@ -1476,23 +1415,62 @@ void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event ) event.Skip(); } -void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& ) +void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event) { - // First click is the first part of double-click - // Some platforms don't generate down-less mouse up-event - // (Windows does, GTK+2 doesn't), so that's why we have - // to do this. - m_timeLastMouseUp = ::wxGetLocalTimeMillis(); + if ( IsPopupShown() ) + { + // pass it to the popped up control + GetPopupControl()->GetControl()->AddPendingEvent(event); + } + else // no popup + { + int keycode = event.GetKeyCode(); - if ( m_text ) + if ( keycode == WXK_TAB ) + { + wxNavigationKeyEvent evt; + evt.SetFlags(wxNavigationKeyEvent::FromTab| + (!event.ShiftDown() ? wxNavigationKeyEvent::IsForward + : wxNavigationKeyEvent::IsBackward)); + evt.SetEventObject(this); + GetParent()->GetEventHandler()->AddPendingEvent(evt); + return; + } + + if ( IsKeyPopupToggle(event) ) + { + OnButtonClick(); + return; + } + + int comboStyle = GetWindowStyle(); + wxComboPopup* popupInterface = GetPopupControl(); + + if ( !popupInterface ) + { + event.Skip(); + return; + } + + if ( (comboStyle & wxCB_READONLY) || + (keycode != WXK_RIGHT && keycode != WXK_LEFT) ) + { + popupInterface->OnComboKeyEvent(event); + } + else + event.Skip(); + } +} + +void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event ) +{ + if ( event.GetEventType() == wxEVT_SET_FOCUS ) { - m_text->SetFocus(); + if ( m_text && m_text != ::wxWindow::FindFocus() ) + m_text->SetFocus(); } - else - // no need to check for m_widthCustomPaint - that - // area never gets special handling when selected - // (in writable mode, that is) - Refresh(); + + Refresh(); } void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) @@ -1531,19 +1509,39 @@ void wxComboCtrlBase::CreatePopup() popupInterface->m_iFlags |= wxCP_IFLAG_CREATED; } -void wxComboCtrlBase::SetPopupControl( wxComboPopup* iface ) +// Destroy popup window and the child control +void wxComboCtrlBase::DestroyPopup() { - wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") ); + HidePopup(); + + if ( m_popup ) + m_popup->RemoveEventHandler(m_popupExtraHandler); + + delete m_popupExtraHandler; delete m_popupInterface; - delete m_winPopup; + + if ( m_winPopup ) + m_winPopup->Destroy(); + + m_popupExtraHandler = (wxEvtHandler*) NULL; + m_popupInterface = (wxComboPopup*) NULL; + m_winPopup = (wxWindow*) NULL; + m_popup = (wxWindow*) NULL; +} + +void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface) +{ + wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") ); + + DestroyPopup(); iface->InitBase(this); iface->Init(); m_popupInterface = iface; - if ( !iface->LazyCreate() || m_winPopup ) + if ( !iface->LazyCreate() ) { CreatePopup(); } @@ -1653,15 +1651,45 @@ void wxComboCtrlBase::ShowPopup() int popupX; int popupY = scrPos.y + ctrlSz.y; + // Default anchor is wxLEFT int anchorSide = m_anchorSide; if ( !anchorSide ) - anchorSide = m_btnSide; + anchorSide = wxLEFT; + + int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x; + int leftX = scrPos.x - m_extLeft; + int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ); - // Anchor popup to the side the dropbutton is on + // If there is not enough horizontal space, anchor on the other side. + // If there is no space even then, place the popup at x 0. if ( anchorSide == wxRIGHT ) - popupX = scrPos.x + ctrlSz.x + m_extRight- szp.x; + { + if ( rightX < 0 ) + { + if ( (leftX+szp.x) < screenWidth ) + anchorSide = wxLEFT; + else + anchorSide = 0; + } + } + else + { + if ( (leftX+szp.x) >= screenWidth ) + { + if ( rightX >= 0 ) + anchorSide = wxRIGHT; + else + anchorSide = 0; + } + } + + // Select x coordinate according to the anchor side + if ( anchorSide == wxRIGHT ) + popupX = rightX; + else if ( anchorSide == wxLEFT ) + popupX = leftX; else - popupX = scrPos.x - m_extLeft; + popupX = 0; if ( spaceBelow < szp.y ) { @@ -1746,7 +1774,7 @@ void wxComboCtrlBase::OnPopupDismiss() // If cursor not on dropdown button, then clear its state // (technically not required by all ports, but do it for all just in case) - if ( !m_btnArea.Inside(ScreenToClient(::wxGetMousePosition())) ) + if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) ) m_btnState = 0; // Return parent's tab traversal flag. @@ -1791,7 +1819,7 @@ void wxComboCtrlBase::HidePopup() // ---------------------------------------------------------------------------- void wxComboCtrlBase::SetButtonPosition( int width, int height, - int side, int spacingX ) + int side, int spacingX ) { m_btnWid = width; m_btnHei = height; @@ -1801,6 +1829,25 @@ void wxComboCtrlBase::SetButtonPosition( int width, int height, RecalcAndRefresh(); } +wxSize wxComboCtrlBase::GetButtonSize() +{ + if ( m_btnSize.x > 0 ) + return m_btnSize; + + wxSize retSize(m_btnWid,m_btnHei); + + // Need to call CalculateAreas now if button size is + // is not explicitly specified. + if ( retSize.x <= 0 || retSize.y <= 0) + { + OnResize(); + + retSize = m_btnSize; + } + + return retSize; +} + void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal, bool blankButtonBg, const wxBitmap& bmpPressed,