X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c7f49f569dcabe360a3a51a94eff77225b39d69..b16de7461ac6d97b0b04a5ce4e73447925e93416:/src/generic/renderg.cpp diff --git a/src/generic/renderg.cpp b/src/generic/renderg.cpp index a37f9462b1..546e7ff9de 100644 --- a/src/generic/renderg.cpp +++ b/src/generic/renderg.cpp @@ -1,6 +1,6 @@ /////////////////////////////////////////////////////////////////////////////// // Name: generic/renderg.cpp -// Purpose: generic implementation of wxRendererBase (for any platform) +// Purpose: generic implementation of wxRendererNative (for any platform) // Author: Vadim Zeitlin // Modified by: // Created: 20.07.2003 @@ -28,89 +28,189 @@ #include "wx/string.h" #endif //WX_PRECOMP +#include "wx/gdicmn.h" +#include "wx/dc.h" + +#include "wx/settings.h" +#include "wx/splitter.h" +#include "wx/dcmirror.h" +#include "wx/module.h" #include "wx/renderer.h" // ---------------------------------------------------------------------------- -// wxRendererGeneric: our wxRendererBase implementation +// wxRendererGeneric: our wxRendererNative implementation // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxRendererGeneric : public wxRendererBase +class WXDLLEXPORT wxRendererGeneric : public wxRendererNative { public: - // draw the header control button (used by wxListCtrl) + wxRendererGeneric(); + virtual void DrawHeaderButton(wxWindow *win, wxDC& dc, const wxRect& rect, int flags = 0); - // 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 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 // ---------------------------------------------------------------------------- /* static */ -wxRendererNative *wxRendererGeneric::GetGeneric() +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& wxRendererGeneric::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 helpers +// ---------------------------------------------------------------------------- + +void +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); +} // ---------------------------------------------------------------------------- -// wxRendererGeneric drawing functions +// tree/list ctrl drawing // ---------------------------------------------------------------------------- void -wxRendererGeneric::DrawHeaderButton(wxWindow *win, +wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win), wxDC& dc, const wxRect& rect, - int flags) + int WXUNUSED(flags)) { - const int m_corner = 1; + const int CORNER = 1; - dc->SetBrush( *wxTRANSPARENT_BRUSH ); + const wxCoord x = rect.x, + y = rect.y, + w = rect.width, + h = rect.height; - dc->SetPen( *wxBLACK_PEN ); - dc->DrawLine( x+w-m_corner+1, y, x+w, y+h ); // right (outer) - dc->DrawRectangle( x, y+h, w+1, 1 ); // bottom (outer) + dc.SetBrush(*wxTRANSPARENT_BRUSH); - wxPen pen( wxSystemSettings::GetColour( wxSYS_COLOUR_BTNSHADOW ), 1, wxSOLID ); + 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) - dc->SetPen( pen ); - dc->DrawLine( x+w-m_corner, y, x+w-1, y+h ); // right (inner) - dc->DrawRectangle( x+1, y+h-1, w-2, 1 ); // bottom (inner) + 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->DrawRectangle( x, y, w-m_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 ); + 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 ); } // draw the plus or minus sign void -wxRendererGeneric::DrawTreeItemButton(wxWindow *win, +wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win), wxDC& dc, const wxRect& rect, int flags) @@ -118,19 +218,195 @@ wxRendererGeneric::DrawTreeItemButton(wxWindow *win, // white background dc.SetPen(*wxGREY_PEN); dc.SetBrush(*wxWHITE_BRUSH); - dc.DrawRectangle(rect.Deflate(1, 2)); + 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 ( !item->IsExpanded() ) + 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 WXUNUSED(flags)) +{ + // Creating a generic button background that would actually be + // useful is rather difficult to accomplish. Best compromise + // is to use window's background colour to achieve transparent' + // ish appearance that should look decent in combo box style + // controls. + wxColour col = win->GetBackgroundColour(); + dc.SetBrush(wxBrush(col)); + dc.SetPen(wxPen(col)); + dc.DrawRectangle(rect); + DrawDropArrow(win,dc,rect); +} + + +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); +} + +// ---------------------------------------------------------------------------- +// 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)