X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/888dde65f43d5f57e8fb2028b27191cca1741403..69d31e313035d5e22d9400ec946f6007f710910c:/src/msw/ownerdrw.cpp diff --git a/src/msw/ownerdrw.cpp b/src/msw/ownerdrw.cpp index c781c560c3..29467f8417 100644 --- a/src/msw/ownerdrw.cpp +++ b/src/msw/ownerdrw.cpp @@ -16,9 +16,10 @@ #pragma hdrstop #endif +#if wxUSE_OWNER_DRAWN + #ifndef WX_PRECOMP #include "wx/window.h" - #include "wx/msw/private.h" #include "wx/font.h" #include "wx/bitmap.h" #include "wx/image.h" @@ -28,56 +29,95 @@ #include "wx/settings.h" #include "wx/menuitem.h" #include "wx/module.h" + #include "wx/msw/wrapcctl.h" #endif #include "wx/ownerdrw.h" #include "wx/fontutil.h" -#if wxUSE_OWNER_DRAWN +#include "wx/msw/private.h" +#include "wx/msw/private/metrics.h" +#include "wx/msw/dc.h" #ifndef SPI_GETKEYBOARDCUES #define SPI_GETKEYBOARDCUES 0x100A #endif +#ifndef DSS_HIDEPREFIX +#define DSS_HIDEPREFIX 0x0200 +#endif + class wxMSWSystemMenuFontModule : public wxModule { public: - virtual bool OnInit() { - ms_systemMenuFont = new wxFont; + return true; + } -#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK) - NONCLIENTMETRICS nm; - nm.cbSize = sizeof(NONCLIENTMETRICS); - SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0); + virtual void OnExit() + { + if ( ms_systemMenuFont ) + { + delete ms_systemMenuFont; + ms_systemMenuFont = NULL; + } + } - ms_systemMenuButtonWidth = nm.iMenuHeight; - ms_systemMenuHeight = nm.iMenuHeight; + static const wxFont& GetSystemMenuFont() + { + if ( !ms_systemMenuFont ) + DoInitFont(); - // create menu font - wxNativeFontInfo info; - memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT)); - ms_systemMenuFont->Create(info); + return *ms_systemMenuFont; + } - if (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &ms_showCues, 0) == 0) - ms_showCues = true; -#endif + static int GetSystemMenuHeight() + { + if ( !ms_systemMenuHeight ) + DoInitMetrics(); - return true; + return ms_systemMenuHeight; } - virtual void OnExit() + static bool AlwaysShowCues() { - delete ms_systemMenuFont; - ms_systemMenuFont = NULL; + if ( !ms_systemMenuHeight ) + DoInitMetrics(); + + return ms_alwaysShowCues; } - static wxFont* ms_systemMenuFont; - static int ms_systemMenuButtonWidth; // windows clean install default - static int ms_systemMenuHeight; // windows clean install default - static bool ms_showCues; private: + static void DoInitMetrics() + { + // iMenuHeight is the menu bar height and the menu items are less tall, + // although I don't know by how much -- below is the value for my system + ms_systemMenuHeight = wxMSWImpl::GetNonClientMetrics().iMenuHeight - 4; + + wxASSERT_MSG( ms_systemMenuHeight > 0, + "menu height should be positive" ); + + if ( ::SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, + &ms_alwaysShowCues, 0) == 0 ) + { + // if it's not supported, we must be on an old Windows version + // which always shows them + ms_alwaysShowCues = true; + } + } + + static void DoInitFont() + { + ms_systemMenuFont = new + wxFont(wxNativeFontInfo(wxMSWImpl::GetNonClientMetrics().lfMenuFont)); + } + + static wxFont* ms_systemMenuFont; + static int ms_systemMenuHeight; + static bool ms_alwaysShowCues; + + DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule) }; @@ -86,9 +126,8 @@ private: // SystemParametersInfo() call. wxFont* wxMSWSystemMenuFontModule::ms_systemMenuFont = NULL; -int wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth = 18; // windows clean install default -int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 18; // windows clean install default -bool wxMSWSystemMenuFontModule::ms_showCues = true; +int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 0; +bool wxMSWSystemMenuFontModule::ms_alwaysShowCues = false; IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule) @@ -138,7 +177,6 @@ wxOwnerDrawn::wxOwnerDrawn(const wxString& str, m_isMenuItem = bMenuItem; m_nHeight = 0; m_nMarginWidth = ms_nLastMarginWidth; - m_nMinHeight = wxMSWSystemMenuFontModule::ms_systemMenuHeight; } wxOwnerDrawn::~wxOwnerDrawn() @@ -151,7 +189,7 @@ bool wxOwnerDrawn::IsMenuItem() const } -// these items will be set during the first invocation of the c'tor, +// these items will be set during the first invocation of the ctor, // because the values will be determined by checking the system settings, // which is a chunk of code size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 0; @@ -167,7 +205,7 @@ wxFont wxOwnerDrawn::GetFontToUse() const if ( !font.Ok() ) { if ( IsMenuItem() ) - font = *wxMSWSystemMenuFontModule::ms_systemMenuFont; + font = wxMSWSystemMenuFontModule::GetSystemMenuFont(); if ( !font.Ok() ) font = *wxNORMAL_FONT; @@ -202,10 +240,6 @@ bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight) dc.GetTextExtent(str, &w, &h); *pwidth = w; *pheight = h; - - // add space at the end of the menu for the submenu expansion arrow - // this will also allow offsetting the accel string from the right edge - *pwidth += GetMarginWidth() + 16; } else // don't draw the text, just the bitmap (if any) { @@ -216,17 +250,16 @@ bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight) // increase size to accommodate bigger bitmaps if necessary if (m_bmpChecked.Ok()) { - // Is BMP height larger then text height? - size_t adjustedHeight = m_bmpChecked.GetHeight() + - 2*wxSystemSettings::GetMetric(wxSYS_EDGE_Y); - if (*pheight < adjustedHeight) + // Is BMP height larger than text height? + size_t adjustedHeight = m_bmpChecked.GetHeight(); + if ( *pheight < adjustedHeight ) *pheight = adjustedHeight; - const size_t widthBmp = m_bmpChecked.GetWidth(); + const int widthBmp = m_bmpChecked.GetWidth(); if ( IsOwnerDrawn() ) { // widen the margin to fit the bitmap if necessary - if ((size_t)GetMarginWidth() < widthBmp) + if ( GetMarginWidth() < widthBmp ) SetMarginWidth(widthBmp); } else // we must allocate enough space for the bitmap @@ -238,9 +271,19 @@ bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight) // add a 4-pixel separator, otherwise menus look cluttered *pwidth += 4; + // notice that this adjustment must be done after (possibly) changing the + // margin width above + if ( IsOwnerDrawn() ) + { + // add space at the end of the menu for the submenu expansion arrow + // this will also allow offsetting the accel string from the right edge + *pwidth += GetMarginWidth() + 16; + } + // make sure that this item is at least as tall as the system menu height - if ( *pheight < m_nMinHeight ) - *pheight = m_nMinHeight; + const size_t heightStd = wxMSWSystemMenuFontModule::GetSystemMenuHeight(); + if ( *pheight < heightStd ) + *pheight = heightStd; // remember height for use in OnDrawItem m_nHeight = *pheight; @@ -251,14 +294,9 @@ bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight) // draw the item bool wxOwnerDrawn::OnDrawItem(wxDC& dc, const wxRect& rc, - wxODAction act, + wxODAction, wxODStatus st) { - // we do nothing on focus change - if ( act == wxODFocusChanged ) - return true; - - // this flag determines whether or not an edge will // be drawn around the bitmap. In most "windows classic" // applications, a 1-pixel highlight edge is drawn around @@ -336,8 +374,8 @@ bool wxOwnerDrawn::OnDrawItem(wxDC& dc, AutoHBRUSH hbr(colBack); SelectInHDC selBrush(hdc, hbr); - RECT rectFill = { rc.GetLeft(), rc.GetTop(), - rc.GetRight() + 1, rc.GetBottom() + 1 }; + RECT rectFill; + wxCopyRectToRECT(rc, rectFill); if ( (st & wxODSelected) && m_bmpChecked.Ok() && draw_bitmap_edge ) { @@ -358,14 +396,28 @@ bool wxOwnerDrawn::OnDrawItem(wxDC& dc, SIZE sizeRect; ::GetTextExtentPoint32(hdc, strMenuText.c_str(), strMenuText.length(), &sizeRect); - ::DrawState(hdc, NULL, NULL, - (LPARAM)strMenuText.wx_str(), - strMenuText.length(), - xText, rc.y + (int) ((rc.GetHeight()-sizeRect.cy)/2.0), // centre text vertically - rc.GetWidth()-margin, sizeRect.cy, - DST_PREFIXTEXT | - (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0) | - (((st & wxODHidePrefix) && !wxMSWSystemMenuFontModule::ms_showCues) ? 512 : 0)); // 512 == DSS_HIDEPREFIX + + int flags = DST_PREFIXTEXT; + if ( (st & wxODDisabled) && !(st & wxODSelected) ) + flags |= DSS_DISABLED; + + if ( (st & wxODHidePrefix) && + !wxMSWSystemMenuFontModule::AlwaysShowCues() ) + flags |= DSS_HIDEPREFIX; + + ::DrawState + ( + hdc, + NULL, + NULL, + (LPARAM)strMenuText.wx_str(), + strMenuText.length(), + xText, + rc.y + (rc.height - sizeRect.cy) / 2, // centre vertically + rc.GetWidth() - margin, + sizeRect.cy, + flags + ); // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO // as the last parameter in DrawState() (at least with Windows98). So we have @@ -379,7 +431,7 @@ bool wxOwnerDrawn::OnDrawItem(wxDC& dc, ::DrawState(hdc, NULL, NULL, (LPARAM)m_strAccel.wx_str(), m_strAccel.length(), - rc.GetWidth()-16-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0), + rc.width - 16 - accel_width, rc.y + (rc.height - sizeRect.cy) / 2, 0, 0, DST_TEXT | (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0)); @@ -481,4 +533,50 @@ bool wxOwnerDrawn::OnDrawItem(wxDC& dc, } +// ---------------------------------------------------------------------------- +// global helper functions implemented here +// ---------------------------------------------------------------------------- + +BOOL wxDrawStateBitmap(HDC hDC, HBITMAP hBitmap, int x, int y, UINT uState) +{ + // determine size of bitmap image + BITMAP bmp; + if ( !::GetObject(hBitmap, sizeof(BITMAP), &bmp) ) + return FALSE; + + BOOL result; + + switch ( uState ) + { + case wxDSB_NORMAL: + case wxDSB_SELECTED: + { + // uses image list functions to draw + // - normal bitmap with support transparency + // (image list internally create mask etc.) + // - blend bitmap with the background colour + // (like default selected items) + HIMAGELIST hIml = ::ImageList_Create(bmp.bmWidth, bmp.bmHeight, + ILC_COLOR32 | ILC_MASK, 1, 1); + ::ImageList_Add(hIml, hBitmap, NULL); + UINT fStyle = uState == wxDSB_SELECTED ? ILD_SELECTED : ILD_NORMAL; + result = ::ImageList_Draw(hIml, 0, hDC, x, y, fStyle); + ::ImageList_Destroy(hIml); + } + break; + + case wxDSB_DISABLED: + result = ::DrawState(hDC, NULL, NULL, (LPARAM)hBitmap, 0, x, y, + bmp.bmWidth, bmp.bmHeight, + DST_BITMAP | DSS_DISABLED); + break; + + default: + wxFAIL_MSG( wxT("DrawStateBitmap: unknown wxDSBStates value") ); + result = FALSE; + } + + return result; +} + #endif // wxUSE_OWNER_DRAWN