X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..12bb29f5432174ecbd65549bda832d70d34a98ae:/src/msw/checklst.cpp diff --git a/src/msw/checklst.cpp b/src/msw/checklst.cpp index e388e1fb2d..235019ca17 100644 --- a/src/msw/checklst.cpp +++ b/src/msw/checklst.cpp @@ -1,44 +1,75 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: msw/checklst.cpp +// Name: src/msw/checklst.cpp // Purpose: implementation of wxCheckListBox class // Author: Vadim Zeitlin -// Modified by: +// Modified by: // Created: 16.11.97 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ -// headers & declarations +// declarations // ============================================================================ -#ifdef __GNUG__ -#pragma implementation "checklst.h" -#endif +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#if USE_OWNER_DRAWN - -#include +#if wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN + +#include "wx/checklst.h" + +#ifndef WX_PRECOMP + #include "wx/msw/wrapcctl.h" + #include "wx/object.h" + #include "wx/colour.h" + #include "wx/font.h" + #include "wx/bitmap.h" + #include "wx/window.h" + #include "wx/listbox.h" + #include "wx/dcmemory.h" + #include "wx/settings.h" + #include "wx/log.h" +#endif #include "wx/ownerdrw.h" -#include "wx/msw/checklst.h" + +#include + +#include "wx/renderer.h" +#include "wx/msw/private.h" +#include "wx/msw/dc.h" + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +// get item (converted to right type) +#define GetItem(n) ((wxCheckListBoxItem *)(GetItem(n))) + +namespace +{ + // space around check mark bitmap in pixels + static const int CHECKMARK_EXTRA_SPACE = 1; + + // space between check bitmap and text label + static const int CHECKMARK_LABEL_SPACE = 2; + +} // anonymous namespace // ============================================================================ // implementation // ============================================================================ -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox) -#endif - // ---------------------------------------------------------------------------- // declaration and implementation of wxCheckListBoxItem class // ---------------------------------------------------------------------------- @@ -46,157 +77,90 @@ class wxCheckListBoxItem : public wxOwnerDrawn { public: - // ctor - wxCheckListBoxItem(wxCheckListBox *pParent, uint nIndex); + // ctor + wxCheckListBoxItem(wxCheckListBox *parent); - // drawing functions - virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); + // drawing functions + virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat); - // simple accessors - bool IsChecked() const { return m_bChecked; } - void Check(bool bCheck) { m_bChecked = bCheck; } - void Toggle(); + // simple accessors and operations + wxCheckListBox *GetParent() const + { return m_parent; } + + int GetIndex() const + { return m_parent->GetItemIndex(const_cast(this)); } + + wxString GetName() const + { return m_parent->GetString(GetIndex()); } + + + bool IsChecked() const + { return m_checked; } + + void Check(bool bCheck) + { m_checked = bCheck; } + + void Toggle() + { Check(!IsChecked()); } private: - bool m_bChecked; - wxCheckListBox *m_pParent; - uint m_nIndex; + wxCheckListBox *m_parent; + bool m_checked; + + wxDECLARE_NO_COPY_CLASS(wxCheckListBoxItem); }; -wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, uint nIndex) - : wxOwnerDrawn("", TRUE) // checkable +wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *parent) { - m_bChecked = FALSE; - m_pParent = pParent; - m_nIndex = nIndex; + m_parent = parent; + m_checked = false; - // we don't initialize m_nCheckHeight/Width vars because it's - // done in OnMeasure while they are used only in OnDraw and we - // know that there will always be OnMeasure before OnDraw + wxSize size = wxRendererNative::Get().GetCheckBoxSize(parent); + size.x += 2 * CHECKMARK_EXTRA_SPACE + CHECKMARK_LABEL_SPACE; - // fix appearance - SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT)); - SetMarginWidth(GetDefaultMarginWidth()); + SetMarginWidth(size.GetWidth()); + SetBackgroundColour(parent->GetBackgroundColour()); } -/* - * JACS - I've got the owner-draw stuff partially working with WIN16, - * with a really horrible-looking cross for wxCheckListBox instead of a - * check - could use a bitmap check-mark instead, defined in wx.rc. - * Also there's a refresh problem whereby it doesn't always draw the - * check until you click to the right of it, which is OK for WIN32. - */ - -bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc, +bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat) { - if ( IsChecked() ) - stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked); - - if ( wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) { - // ## using native API for performance and precision - uint nCheckWidth = GetDefaultMarginWidth(), - nCheckHeight = m_pParent->GetItemHeight(); - - int x = rc.GetX(), - y = rc.GetY(); - - HDC hdc = (HDC)dc.GetHDC(); - - // create pens - HPEN hpenBack = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOW)), - hpenGray = CreatePen(PS_SOLID, 0, RGB(128, 128, 128)), - hpenPrev = SelectObject(hdc, hpenBack); - - // we erase the 1-pixel border - Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight); - - // shift check mark 1 pixel to the right (it looks better like this) - x++; - - if ( IsChecked() ) { - // first create a monochrome bitmap in a memory DC - HDC hdcMem = CreateCompatibleDC(hdc); - HBITMAP hbmpCheck = CreateBitmap(nCheckWidth, nCheckHeight, 1, 1, 0); - HBITMAP hbmpOld = SelectObject(hdcMem, hbmpCheck); - - // then draw a check mark into it - RECT rect = { 0, 0, nCheckWidth, nCheckHeight }; - -#ifdef __WIN32__ - DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK); -#else - // In WIN16, draw a cross - HPEN blackPen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0)); - HPEN whiteBrush = GetStockObject(WHITE_BRUSH); - HPEN hPenOld = ::SelectObject(hdcMem, blackPen); - HPEN hBrushOld = ::SelectObject(hdcMem, whiteBrush); - ::SetROP2(hdcMem, R2_COPYPEN); - Rectangle(hdcMem, 0, 0, nCheckWidth, nCheckHeight); - MoveTo(hdcMem, 0, 0); - LineTo(hdcMem, nCheckWidth, nCheckHeight); - MoveTo(hdcMem, nCheckWidth, 0); - LineTo(hdcMem, 0, nCheckHeight); - ::SelectObject(hdcMem, hPenOld); - ::SelectObject(hdcMem, hBrushOld); - ::DeleteObject(blackPen); -#endif + // first draw the label + if ( !wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) + return false; - // finally copy it to screen DC and clean up - BitBlt(hdc, x, y, nCheckWidth - 1, nCheckHeight, - hdcMem, 0, 0, SRCCOPY); + // now draw the check mark part + wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl(); + HDC hdc = GetHdcOf(*impl); - SelectObject(hdcMem, hbmpOld); - DeleteObject(hbmpCheck); - DeleteDC(hdcMem); - } + wxSize size = wxRendererNative::Get().GetCheckBoxSize(GetParent()); - // now we draw the smaller rectangle - y++; - nCheckWidth -= 2; - nCheckHeight -= 2; + // first create bitmap in a memory DC + MemoryHDC hdcMem(hdc); + CompatibleBitmap hBmpCheck(hdc, size.GetWidth(), size.GetHeight()); - // draw hollow gray rectangle - (void)SelectObject(hdc, hpenGray); - HBRUSH hbrPrev = SelectObject(hdc, GetStockObject(NULL_BRUSH)); - Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight); + // then draw a check mark into it + { + SelectInHDC selBmp(hdcMem, hBmpCheck); - // clean up - (void)SelectObject(hdc, hpenPrev); - (void)SelectObject(hdc, hbrPrev); + int flags = wxCONTROL_FLAT; + if ( IsChecked() ) + flags |= wxCONTROL_CHECKED; - DeleteObject(hpenBack); - DeleteObject(hpenGray); + wxDCTemp dcMem(hdcMem); + wxRendererNative::Get().DrawCheckBox(GetParent(), dcMem, wxRect(size), flags); + } // select hBmpCheck out of hdcMem - /* - dc.DrawRectangle(x, y, nCheckWidth, nCheckHeight); + // finally draw bitmap to screen - if ( IsChecked() ) { - dc.DrawLine(x, y, x + nCheckWidth, y + nCheckHeight); - dc.DrawLine(x, y + nCheckHeight, x + nCheckWidth, y); - } - */ + // position of check mark bitmap + int x = rc.GetX() + CHECKMARK_EXTRA_SPACE; + int y = rc.GetY() + (rc.GetHeight() - size.GetHeight()) / 2; - return TRUE; - } + UINT uState = stat & wxOwnerDrawn::wxODSelected ? wxDSB_SELECTED : wxDSB_NORMAL; + wxDrawStateBitmap(hdc, hBmpCheck, x, y, uState); - return FALSE; -} - -// change the state of the item and redraw it -void wxCheckListBoxItem::Toggle() -{ - m_bChecked = !m_bChecked; - - uint nHeight = m_pParent->GetItemHeight(); - uint y = m_nIndex * nHeight; - RECT rcUpdate = { 0, y, GetDefaultMarginWidth(), y + nHeight}; - InvalidateRect((HWND)m_pParent->GetHWND(), &rcUpdate, FALSE); - - wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId()); - event.SetInt(m_nIndex); - event.SetEventObject(m_pParent); - m_pParent->ProcessCommand(event); + return true; } // ---------------------------------------------------------------------------- @@ -206,7 +170,7 @@ void wxCheckListBoxItem::Toggle() // define event table // ------------------ BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox) - EVT_CHAR(wxCheckListBox::OnChar) + EVT_KEY_DOWN(wxCheckListBox::OnKeyDown) EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick) END_EVENT_TABLE() @@ -214,7 +178,7 @@ END_EVENT_TABLE() // ---------------- // def ctor: use Create() to really create the control -wxCheckListBox::wxCheckListBox() : wxListBox() +wxCheckListBox::wxCheckListBox() { } @@ -223,89 +187,249 @@ wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, int nStrings, const wxString choices[], long style, const wxValidator& val, - const wxString& name) // , const wxFont& font) - // don't use ctor with arguments! we must call Create() - // ourselves from here. - : wxListBox() -// , m_font(font) + const wxString& name) +{ + Create(parent, id, pos, size, nStrings, choices, style, val, name); +} + +wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id, + const wxPoint& pos, const wxSize& size, + const wxArrayString& choices, + long style, const wxValidator& val, + const wxString& name) +{ + Create(parent, id, pos, size, choices, style, val, name); +} + +bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, + const wxPoint& pos, const wxSize& size, + int n, const wxString choices[], + long style, + const wxValidator& validator, const wxString& name) { - Create(parent, id, pos, size, nStrings, choices, style|wxLB_OWNERDRAW, val, name); + return wxListBox::Create(parent, id, pos, size, n, choices, + style | wxLB_OWNERDRAW, validator, name); +} + +bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id, + const wxPoint& pos, const wxSize& size, + const wxArrayString& choices, + long style, + const wxValidator& validator, const wxString& name) +{ + return wxListBox::Create(parent, id, pos, size, choices, + style | wxLB_OWNERDRAW, validator, name); } // create/retrieve item // -------------------- // create a check list box item -wxOwnerDrawn *wxCheckListBox::CreateItem(uint nIndex) +wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t WXUNUSED(n)) { - wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex); - if ( m_windowFont.Ok() ) - pItem->SetFont(m_windowFont); - - return pItem; + wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this); + return pItem; } -// get item (converted to right type) -#define GetItem(n) ((wxCheckListBoxItem *)(GetItem(n))) - // return item size // ---------------- bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) { - if ( wxListBox::MSWOnMeasure(item) ) { - MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; + if ( wxListBox::MSWOnMeasure(item) ) + { + MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item; - // save item height - m_nItemHeight = pStruct->itemHeight; + wxSize size = wxRendererNative::Get().GetCheckBoxSize(this); + size.x += 2 * CHECKMARK_EXTRA_SPACE; + size.y += 2 * CHECKMARK_EXTRA_SPACE; - // add place for the check mark - pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth(); + // add place for the check mark + pStruct->itemWidth += size.GetWidth(); - return TRUE; - } + if ( pStruct->itemHeight < static_cast(size.GetHeight()) ) + pStruct->itemHeight = size.GetHeight(); - return FALSE; -} + return true; + } + + return false; + } // check items // ----------- -bool wxCheckListBox::IsChecked(uint uiIndex) const +bool wxCheckListBox::IsChecked(unsigned int uiIndex) const +{ + wxCHECK_MSG( IsValid(uiIndex), false, wxT("bad wxCheckListBox index") ); + + return GetItem(uiIndex)->IsChecked(); +} + +void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck) { - return GetItem(uiIndex)->IsChecked(); + wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") ); + + GetItem(uiIndex)->Check(bCheck); + RefreshItem(uiIndex); } -void wxCheckListBox::Check(uint uiIndex, bool bCheck) +void wxCheckListBox::Toggle(unsigned int uiIndex) { - GetItem(uiIndex)->Check(bCheck); + wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") ); + + GetItem(uiIndex)->Toggle(); + RefreshItem(uiIndex); } // process events // -------------- -void wxCheckListBox::OnChar(wxKeyEvent& event) +void wxCheckListBox::OnKeyDown(wxKeyEvent& event) { - if ( event.KeyCode() == WXK_SPACE ) - GetItem(GetSelection())->Toggle(); - else - wxListBox::OnChar(event); + // what do we do? + enum + { + NONE, + TOGGLE, + SET, + CLEAR + } oper; + + switch ( event.GetKeyCode() ) + { + case WXK_SPACE: + oper = TOGGLE; + break; + + case WXK_NUMPAD_ADD: + case '+': + oper = SET; + break; + + case WXK_NUMPAD_SUBTRACT: + case '-': + oper = CLEAR; + break; + + default: + oper = NONE; + } + + if ( oper != NONE ) + { + wxArrayInt selections; + int count = 0; + if ( HasMultipleSelection() ) + { + count = GetSelections(selections); + } + else + { + int sel = GetSelection(); + if (sel != -1) + { + count = 1; + selections.Add(sel); + } + } + + for ( int i = 0; i < count; i++ ) + { + int nItem = selections[i]; + + switch ( oper ) + { + case TOGGLE: + Toggle(nItem); + break; + + case SET: + case CLEAR: + Check(nItem, oper == SET); + break; + + default: + wxFAIL_MSG( wxT("what should this key do?") ); + } + + // we should send an event as this has been done by the user and + // not by the program + SendEvent(nItem); + } + } + else // nothing to do + { + event.Skip(); + } } void wxCheckListBox::OnLeftClick(wxMouseEvent& event) { - // clicking on the item selects it, clicking on the checkmark toggles - if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) { - // # better use LB_ITEMFROMPOINT perhaps? - uint nItem = ((uint)event.GetY()) / m_nItemHeight; - if ( nItem < (uint)m_noItems ) - GetItem(nItem)->Toggle(); - //else: it's not an error, just click outside of client zone - } - else { - // implement default behaviour: clicking on the item selects it - event.Skip(); - } + // clicking on the item selects it, clicking on the checkmark toggles + + int nItem = HitTest(event.GetX(), event.GetY()); + + if ( nItem != wxNOT_FOUND ) + { + wxRect rect; + GetItemRect(nItem, rect); + + // convert item rect to check mark rect + wxSize size = wxRendererNative::Get().GetCheckBoxSize(this); + rect.x += CHECKMARK_EXTRA_SPACE; + rect.y += (rect.GetHeight() - size.GetHeight()) / 2; + rect.SetSize(size); + + if ( rect.Contains(event.GetX(), event.GetY()) ) + { + // people expect to get "kill focus" event for the currently + // focused control before getting events from the other controls + // and, equally importantly, they may prevent the focus change from + // taking place at all (e.g. because the old control contents is + // invalid and needs to be corrected) in which case we shouldn't + // generate this event at all + SetFocus(); + if ( FindFocus() == this ) + { + Toggle(nItem); + SendEvent(nItem); + + // scroll one item down if the item is the last one + // and isn't visible at all + int h; + GetClientSize(NULL, &h); + if ( rect.GetBottom() > h ) + ScrollLines(1); + } + } + else + { + // implement default behaviour: clicking on the item selects it + event.Skip(); + } + } + else + { + // implement default behaviour on click outside of client zone + event.Skip(); + } } -#endif +wxSize wxCheckListBox::DoGetBestClientSize() const +{ + wxSize best = wxListBox::DoGetBestClientSize(); + + // add room for the checkbox + wxSize size = wxRendererNative::Get().GetCheckBoxSize(const_cast(this)); + size.x += 2 * CHECKMARK_EXTRA_SPACE; + size.y += 2 * CHECKMARK_EXTRA_SPACE; + + best.x += size.GetWidth(); + if ( best.y < size.GetHeight() ) + best.y = size.GetHeight(); + + CacheBestSize(best); + return best; +} +#endif // wxUSE_CHECKLISTBOX