X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9d999619920be2baad795640d5ef7d3e3cc8096e..69562a1d4c4c8d96116af3f229fa2269828c4489:/src/generic/renderg.cpp?ds=sidebyside diff --git a/src/generic/renderg.cpp b/src/generic/renderg.cpp index 709f98b45c..7c07f55ff1 100644 --- a/src/generic/renderg.cpp +++ b/src/generic/renderg.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: generic/renderg.cpp +// Name: src/generic/renderg.cpp // Purpose: generic implementation of wxRendererNative (for any platform) // Author: Vadim Zeitlin // Modified by: @@ -24,16 +24,18 @@ #pragma hdrstop #endif +#include "wx/renderer.h" + #ifndef WX_PRECOMP #include "wx/string.h" + #include "wx/dc.h" + #include "wx/settings.h" + #include "wx/gdicmn.h" + #include "wx/module.h" #endif //WX_PRECOMP -#include "wx/gdicmn.h" -#include "wx/dc.h" - -#include "wx/settings.h" - -#include "wx/renderer.h" +#include "wx/splitter.h" +#include "wx/dcmirror.h" // ---------------------------------------------------------------------------- // wxRendererGeneric: our wxRendererNative implementation @@ -42,23 +44,110 @@ class WXDLLEXPORT wxRendererGeneric : public wxRendererNative { public: - // draw the header control button (used by wxListCtrl) - virtual void DrawHeaderButton(wxWindow *win, + wxRendererGeneric(); + + virtual int DrawHeaderButton(wxWindow *win, wxDC& dc, const wxRect& rect, - int flags = 0); + int flags = 0, + wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE, + wxHeaderButtonParams* params = NULL); + + virtual int DrawHeaderButtonContents(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0, + wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE, + wxHeaderButtonParams* params = NULL); + + virtual int GetHeaderButtonHeight(wxWindow *win); - // draw the expanded/collapsed icon for a tree control item virtual void DrawTreeItemButton(wxWindow *win, wxDC& dc, const wxRect& rect, int flags = 0); + + virtual void DrawSplitterBorder(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + + virtual void DrawSplitterSash(wxWindow *win, + wxDC& dc, + const wxSize& size, + wxCoord position, + wxOrientation orient, + int flags = 0); + + virtual void DrawComboBoxDropButton(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + + virtual void DrawDropArrow(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + + virtual void DrawCheckBox(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + + virtual void DrawPushButton(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + + virtual void DrawItemSelectionRect(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + + virtual void DrawFocusRect(wxWindow* win, wxDC& dc, const wxRect& rect, int flags = 0); + + virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win); + + virtual wxRendererVersion GetVersion() const + { + return wxRendererVersion(wxRendererVersion::Current_Version, + wxRendererVersion::Current_Age); + } + + + // Cleanup by deleting standard renderer + static void Cleanup(); + + // Get the generic object + static wxRendererGeneric* DoGetGeneric(); + +protected: + // draw the rectange using the first pen for the left and top sides and + // the second one for the bottom and right ones + void DrawShadedRect(wxDC& dc, wxRect *rect, + const wxPen& pen1, const wxPen& pen2); + + // the standard pens + wxPen m_penBlack, + m_penDarkGrey, + m_penLightGrey, + m_penHighlight; + + static wxRendererGeneric* sm_rendererGeneric; }; // ============================================================================ -// implementation +// wxRendererGeneric implementation // ============================================================================ +// Get the generic object +wxRendererGeneric* wxRendererGeneric::DoGetGeneric() +{ + if (!sm_rendererGeneric) + sm_rendererGeneric = new wxRendererGeneric; + return sm_rendererGeneric; +} + // ---------------------------------------------------------------------------- // wxRendererGeneric creation // ---------------------------------------------------------------------------- @@ -66,31 +155,64 @@ public: /* static */ wxRendererNative& wxRendererNative::GetGeneric() { - static wxRendererGeneric s_rendererGeneric; + return * wxRendererGeneric::DoGetGeneric(); +} + +void wxRendererGeneric::Cleanup() +{ + if (sm_rendererGeneric) + delete sm_rendererGeneric; - return s_rendererGeneric; + sm_rendererGeneric = NULL; } -// some platforms have their own renderers -#if !defined(__WXMSW__) && !defined(__WXMAC__) && !defined(__WXGTK__) +wxRendererGeneric* wxRendererGeneric::sm_rendererGeneric = NULL; -/* static */ -wxRendererNative& wxRendererNative::Get() +wxRendererGeneric::wxRendererGeneric() + : m_penBlack(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)), + m_penDarkGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)), + m_penLightGrey(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)), + m_penHighlight(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT)) { - return GetGeneric(); } -#endif // platforms using their own renderers - // ---------------------------------------------------------------------------- -// wxRendererGeneric drawing functions +// wxRendererGeneric helpers // ---------------------------------------------------------------------------- void -wxRendererGeneric::DrawHeaderButton(wxWindow *win, +wxRendererGeneric::DrawShadedRect(wxDC& dc, + wxRect *rect, + const wxPen& pen1, + const wxPen& pen2) +{ + // draw the rectangle + dc.SetPen(pen1); + dc.DrawLine(rect->GetLeft(), rect->GetTop(), + rect->GetLeft(), rect->GetBottom()); + dc.DrawLine(rect->GetLeft() + 1, rect->GetTop(), + rect->GetRight(), rect->GetTop()); + dc.SetPen(pen2); + dc.DrawLine(rect->GetRight(), rect->GetTop(), + rect->GetRight(), rect->GetBottom()); + dc.DrawLine(rect->GetLeft(), rect->GetBottom(), + rect->GetRight() + 1, rect->GetBottom()); + + // adjust the rect + rect->Inflate(-1); +} + +// ---------------------------------------------------------------------------- +// tree/list ctrl drawing +// ---------------------------------------------------------------------------- + +int +wxRendererGeneric::DrawHeaderButton(wxWindow* win, wxDC& dc, const wxRect& rect, - int flags) + int flags, + wxHeaderSortIconType sortArrow, + wxHeaderButtonParams* params) { const int CORNER = 1; @@ -99,48 +221,501 @@ wxRendererGeneric::DrawHeaderButton(wxWindow *win, w = rect.width, h = rect.height; - dc.SetBrush( *wxTRANSPARENT_BRUSH ); + dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE))); + dc.SetPen(*wxTRANSPARENT_PEN); + dc.DrawRectangle(rect); + + dc.SetBrush(*wxTRANSPARENT_BRUSH); - dc.SetPen( *wxBLACK_PEN ); + dc.SetPen(m_penBlack); dc.DrawLine( x+w-CORNER+1, y, x+w, y+h ); // right (outer) dc.DrawRectangle( x, y+h, w+1, 1 ); // bottom (outer) - wxPen pen( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNSHADOW ), 1, wxSOLID ); - - dc.SetPen( pen ); + dc.SetPen(m_penDarkGrey); dc.DrawLine( x+w-CORNER, y, x+w-1, y+h ); // right (inner) dc.DrawRectangle( x+1, y+h-1, w-2, 1 ); // bottom (inner) - dc.SetPen( *wxWHITE_PEN ); + dc.SetPen(m_penHighlight); dc.DrawRectangle( x, y, w-CORNER+1, 1 ); // top (outer) dc.DrawRectangle( x, y, 1, h ); // left (outer) dc.DrawLine( x, y+h-1, x+1, y+h-1 ); dc.DrawLine( x+w-1, y, x+w-1, y+1 ); + + return DrawHeaderButtonContents(win, dc, rect, flags, sortArrow, params); } + +int +wxRendererGeneric::DrawHeaderButtonContents(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags, + wxHeaderSortIconType sortArrow, + wxHeaderButtonParams* params) +{ + int labelWidth = 0; + + // Mark this item as selected. For the generic version we'll just draw an + // underline + if ( flags & wxCONTROL_SELECTED ) + { + // draw a line at the bottom of the header button, overlaying the + // native hot-tracking line (on XP) + const int penwidth = 3; + int y = rect.y + rect.height + 1 - penwidth; + wxColour c = (params && params->m_selectionColour.Ok()) ? + params->m_selectionColour : wxColour(0x66, 0x66, 0x66); + wxPen pen(c, penwidth); + pen.SetCap(wxCAP_BUTT); + dc.SetPen(pen); + dc.DrawLine(rect.x, y, rect.x + rect.width, y); + } + + // Draw an up or down arrow + int arrowSpace = 0; + if (sortArrow != wxHDR_SORT_ICON_NONE ) + { + wxRect ar = rect; + + // make a rect for the arrow + ar.height = 4; + ar.width = 8; + ar.y += (rect.height - ar.height)/2; + ar.x = ar.x + rect.width - 3*ar.width/2; + arrowSpace = 3*ar.width/2; // space to preserve when drawing the label + + wxPoint triPt[3]; + if ( sortArrow & wxHDR_SORT_ICON_UP ) + { + triPt[0].x = ar.width / 2; + triPt[0].y = 0; + triPt[1].x = ar.width; + triPt[1].y = ar.height; + triPt[2].x = 0; + triPt[2].y = ar.height; + } + else + { + triPt[0].x = 0; + triPt[0].y = 0; + triPt[1].x = ar.width; + triPt[1].y = 0; + triPt[2].x = ar.width / 2; + triPt[2].y = ar.height; + } + + wxColour c = (params && params->m_arrowColour.Ok()) ? + params->m_arrowColour : wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW); + dc.SetPen(wxPen(c)); + dc.SetBrush(wxBrush(c)); + dc.DrawPolygon( 3, triPt, ar.x, ar.y); + } + labelWidth += arrowSpace; + + const int margin = 5; // number of pixels to reserve on either side of the label + int bmpWidth = 0; + int txtEnd = 0; + + if ( params && params->m_labelBitmap.Ok() ) + bmpWidth = params->m_labelBitmap.GetWidth() + 2; + + labelWidth += bmpWidth + 2*margin; + + // Draw a label if one is given + if ( params && !params->m_labelText.empty() ) + { + wxFont font = params->m_labelFont.Ok() ? + params->m_labelFont : win->GetFont(); + wxColour clr = params->m_labelColour.Ok() ? + params->m_labelColour : win->GetForegroundColour(); + + wxString label( params->m_labelText ); + + dc.SetFont(font); + dc.SetTextForeground(clr); + dc.SetBackgroundMode(wxTRANSPARENT); + + int tw, th, td, x, y; + dc.GetTextExtent( label, &tw, &th, &td); + labelWidth += tw; + y = rect.y + wxMax(0, (rect.height - (th+td)) / 2); + + // truncate and add an ellipsis (...) if the text is too wide. + int targetWidth = rect.width - arrowSpace - bmpWidth - 2*margin; + if ( tw > targetWidth ) + { + int ellipsisWidth; + dc.GetTextExtent( wxT("..."), &ellipsisWidth, NULL); + do { + label.Truncate( label.length() - 1 ); + dc.GetTextExtent( label, &tw, &th); + } while (tw + ellipsisWidth > targetWidth && label.length() ); + label.append( wxT("...") ); + tw += ellipsisWidth; + } + + switch (params->m_labelAlignment) + { + default: + case wxALIGN_LEFT: + x = rect.x + margin; + break; + case wxALIGN_CENTER: + x = rect.x + wxMax(0, (rect.width - arrowSpace - tw - bmpWidth)/2); + break; + case wxALIGN_RIGHT: + x = rect.x + wxMax(0, rect.width - arrowSpace - margin - tw - bmpWidth); + break; + } + + dc.DrawText(label, x, y); + txtEnd = x + tw + 2; + } + + // draw the bitmap if there is one + if ( params && params->m_labelBitmap.Ok() ) + { + int w, h, x, y; + w = params->m_labelBitmap.GetWidth(); + h = params->m_labelBitmap.GetHeight(); + + y = rect.y + wxMax(1, (rect.height - h) / 2); + + // if there is a text label, then put the bitmap at the end of the label + if ( txtEnd != 0 ) + { + x = txtEnd; + } + // otherwise use the alignment flags + else + { + switch (params->m_labelAlignment) + { + default: + case wxALIGN_LEFT: + x = rect.x + margin; + break; + case wxALIGN_CENTER: + x = rect.x + wxMax(1, (rect.width - arrowSpace - w)/2); + break; + case wxALIGN_RIGHT: + x = rect.x + wxMax(1, rect.width - arrowSpace - margin - w); + break; + } + } + dc.DrawBitmap(params->m_labelBitmap, x, y, true); + } + return labelWidth; +} + + +int wxRendererGeneric::GetHeaderButtonHeight(wxWindow *win) +{ + // Copied and adapted from src/generic/listctrl.cpp + const int HEADER_OFFSET_Y = 1; + const int EXTRA_HEIGHT = 4; + + int w=0, h=14, d=0; + if (win) + win->GetTextExtent(wxT("Hg"), &w, &h, &d); + + return h + d + 2 * HEADER_OFFSET_Y + EXTRA_HEIGHT; +} + + // draw the plus or minus sign void -wxRendererGeneric::DrawTreeItemButton(wxWindow *win, +wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win), wxDC& dc, const wxRect& rect, int flags) { - // white background - dc.SetPen(*wxGREY_PEN); - dc.SetBrush(*wxWHITE_BRUSH); - dc.DrawRectangle(rect.Deflate(1, 2)); + // store settings + wxDCPenChanger penChanger(dc, *wxGREY_PEN); + wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH); + + dc.DrawRectangle(rect); // black lines const wxCoord xMiddle = rect.x + rect.width/2; const wxCoord yMiddle = rect.y + rect.height/2; + // half of the length of the horz lines in "-" and "+" + const wxCoord halfWidth = rect.width/2 - 2; dc.SetPen(*wxBLACK_PEN); - dc.DrawLine(xMiddle - 2, yMiddle, xMiddle + 3, yMiddle); - if ( flags & wxCONTROL_EXPANDED ) + dc.DrawLine(xMiddle - halfWidth, yMiddle, + xMiddle + halfWidth + 1, yMiddle); + + if ( !(flags & wxCONTROL_EXPANDED) ) { // turn "-" into "+" - dc.DrawLine(xMiddle, yMiddle - 2, xMiddle, yMiddle + 3); + const wxCoord halfHeight = rect.height/2 - 2; + dc.DrawLine(xMiddle, yMiddle - halfHeight, + xMiddle, yMiddle + halfHeight + 1); + } +} + +// ---------------------------------------------------------------------------- +// sash drawing +// ---------------------------------------------------------------------------- + +wxSplitterRenderParams +wxRendererGeneric::GetSplitterParams(const wxWindow *win) +{ + // see below + wxCoord sashWidth, + border; + + if ( win->HasFlag(wxSP_3DSASH) ) + sashWidth = 7; + else if ( win->HasFlag(wxSP_NOSASH) ) + sashWidth = 0; + else // no 3D effect + sashWidth = 3; + + if ( win->HasFlag(wxSP_3DBORDER) ) + border = 2; + else // no 3D effect + border = 0; + + return wxSplitterRenderParams(sashWidth, border, false); +} + +void +wxRendererGeneric::DrawSplitterBorder(wxWindow *win, + wxDC& dc, + const wxRect& rectOrig, + int WXUNUSED(falgs)) +{ + if ( win->HasFlag(wxSP_3DBORDER) ) + { + wxRect rect = rectOrig; + DrawShadedRect(dc, &rect, m_penDarkGrey, m_penHighlight); + DrawShadedRect(dc, &rect, m_penBlack, m_penLightGrey); + } +} + +void +wxRendererGeneric::DrawSplitterSash(wxWindow *win, + wxDC& dcReal, + const wxSize& sizeReal, + wxCoord position, + wxOrientation orient, + int WXUNUSED(flags)) +{ + // to avoid duplicating the same code for horizontal and vertical sashes, + // simply mirror the DC instead if needed (i.e. if horz splitter) + wxMirrorDC dc(dcReal, orient != wxVERTICAL); + wxSize size = dc.Reflect(sizeReal); + + + // we draw a Win32-like grey sash with possible 3D border here: + // + // ---- this is position + // / + // v + // dWGGGDd + // GWGGGDB + // GWGGGDB where G is light grey (face) + // GWGGGDB W white (light) + // GWGGGDB D dark grey (shadow) + // GWGGGDB B black (dark shadow) + // GWGGGDB + // GWGGGDB and lower letters are our border (already drawn) + // GWGGGDB + // wWGGGDd + // + // only the middle 3 columns are drawn unless wxSP_3D is specified + + const wxCoord h = size.y; + wxCoord offset = 0; + + // If we're drawing the border, draw the sash 3d lines shorter + if ( win->HasFlag(wxSP_3DBORDER) ) + { + offset = 1; + } + + dc.SetPen(*wxTRANSPARENT_PEN); + dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE))); + + if ( win->HasFlag(wxSP_3DSASH) ) + { + // Draw the 3D sash + dc.DrawRectangle(position + 2, 0, 3, h); + + dc.SetPen(m_penLightGrey); + dc.DrawLine(position, offset, position, h - offset); + + dc.SetPen(m_penHighlight); + dc.DrawLine(position + 1, 0, position + 1, h); + + dc.SetPen(m_penDarkGrey); + dc.DrawLine(position + 5, 0, position + 5, h); + + dc.SetPen(m_penBlack); + dc.DrawLine(position + 6, offset, position + 6, h - offset); + } + else + { + // Draw a flat sash + dc.DrawRectangle(position, 0, 3, h); } } +// ---------------------------------------------------------------------------- +// button drawing +// ---------------------------------------------------------------------------- + +void +wxRendererGeneric::DrawComboBoxDropButton(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags) +{ + DrawPushButton(win,dc,rect,flags); + DrawDropArrow(win,dc,rect,flags); +} + +void +wxRendererGeneric::DrawDropArrow(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int WXUNUSED(flags)) +{ + // This generic implementation should be good + // enough for Windows platforms (including XP). + + int arrowHalf = rect.width/5; + int rectMid = rect.width / 2; + int arrowTopY = (rect.height/2) - (arrowHalf/2); + + // This should always result in arrow with odd width. + wxPoint pt[] = + { + wxPoint(rectMid - arrowHalf, arrowTopY), + wxPoint(rectMid + arrowHalf, arrowTopY), + wxPoint(rectMid, arrowTopY + arrowHalf) + }; + dc.SetBrush(wxBrush(win->GetForegroundColour())); + dc.SetPen(wxPen(win->GetForegroundColour())); + dc.DrawPolygon(WXSIZEOF(pt), pt, rect.x, rect.y); +} + +void +wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win), + wxDC& dc, + const wxRect& rect, + int flags) +{ + dc.SetPen(*(flags & wxCONTROL_DISABLED ? wxGREY_PEN : wxBLACK_PEN)); + dc.SetBrush( *wxTRANSPARENT_BRUSH ); + dc.DrawRectangle(rect); + + if ( flags & wxCONTROL_CHECKED ) + { + dc.DrawCheckMark(rect.Deflate(2, 2)); + } +} + +void +wxRendererGeneric::DrawPushButton(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags) +{ + // Don't try anything too fancy. It'll just turn out looking + // out-of-place on most platforms. + wxColour bgCol = flags & wxCONTROL_DISABLED ? + wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE) : + win->GetBackgroundColour(); + dc.SetBrush(wxBrush(bgCol)); + dc.SetPen(wxPen(bgCol)); + dc.DrawRectangle(rect); +} + +void +wxRendererGeneric::DrawItemSelectionRect(wxWindow * WXUNUSED(win), + wxDC& dc, + const wxRect& rect, + int flags) +{ + wxBrush brush; + if ( flags & wxCONTROL_SELECTED ) + { + if ( flags & wxCONTROL_FOCUSED ) + { + brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT)); + } + else // !focused + { + brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW)); + } + } + else // !selected + { + brush = *wxTRANSPARENT_BRUSH; + } + + dc.SetBrush(brush); + dc.SetPen(flags & wxCONTROL_CURRENT ? *wxBLACK_PEN : *wxTRANSPARENT_PEN); + + dc.DrawRectangle( rect ); +} + +void +wxRendererGeneric::DrawFocusRect(wxWindow* WXUNUSED(win), wxDC& dc, const wxRect& rect, int WXUNUSED(flags)) +{ + // draw the pixels manually because the "dots" in wxPen with wxDOT style + // may be short traits and not really dots + // + // note that to behave in the same manner as DrawRect(), we must exclude + // the bottom and right borders from the rectangle + wxCoord x1 = rect.GetLeft(), + y1 = rect.GetTop(), + x2 = rect.GetRight(), + y2 = rect.GetBottom(); + + dc.SetPen(m_penBlack); + +#ifdef __WXMAC__ + dc.SetLogicalFunction(wxCOPY); +#else + // this seems to be closer than what Windows does than wxINVERT although + // I'm still not sure if it's correct + dc.SetLogicalFunction(wxAND_REVERSE); +#endif + + wxCoord z; + for ( z = x1 + 1; z < x2; z += 2 ) + dc.DrawPoint(z, rect.GetTop()); + + wxCoord shift = z == x2 ? 0 : 1; + for ( z = y1 + shift; z < y2; z += 2 ) + dc.DrawPoint(x2, z); + + shift = z == y2 ? 0 : 1; + for ( z = x2 - shift; z > x1; z -= 2 ) + dc.DrawPoint(z, y2); + + shift = z == x1 ? 0 : 1; + for ( z = y2 - shift; z > y1; z -= 2 ) + dc.DrawPoint(x1, z); + + dc.SetLogicalFunction(wxCOPY); +} + +// ---------------------------------------------------------------------------- +// A module to allow cleanup of generic renderer. +// ---------------------------------------------------------------------------- + +class wxGenericRendererModule: public wxModule +{ +DECLARE_DYNAMIC_CLASS(wxGenericRendererModule) +public: + wxGenericRendererModule() {} + bool OnInit() { return true; } + void OnExit() { wxRendererGeneric::Cleanup(); } +}; +IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule)