X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ca65c0440a7163e4e37e48b1c4329709d722db47..f89919f5e9c80195007ebc3480f3fe4c133d5505:/src/generic/renderg.cpp diff --git a/src/generic/renderg.cpp b/src/generic/renderg.cpp index 5aa4bc3d47..2991a11d95 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: @@ -24,18 +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/splitter.h" #include "wx/dcmirror.h" -#include "wx/module.h" -#include "wx/renderer.h" // ---------------------------------------------------------------------------- // wxRendererGeneric: our wxRendererNative implementation @@ -46,10 +46,21 @@ class WXDLLEXPORT wxRendererGeneric : public wxRendererNative public: wxRendererGeneric(); - virtual void DrawHeaderButton(wxWindow *win, + 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); virtual void DrawTreeItemButton(wxWindow *win, wxDC& dc, @@ -68,6 +79,30 @@ public: 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 wxSplitterRenderParams GetSplitterParams(const wxWindow *win); @@ -169,11 +204,13 @@ wxRendererGeneric::DrawShadedRect(wxDC& dc, // tree/list ctrl drawing // ---------------------------------------------------------------------------- -void -wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win), +int +wxRendererGeneric::DrawHeaderButton(wxWindow* win, wxDC& dc, const wxRect& rect, - int WXUNUSED(flags)) + int flags, + wxHeaderSortIconType sortArrow, + wxHeaderButtonParams* params) { const int CORNER = 1; @@ -182,6 +219,10 @@ wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win), w = rect.width, h = rect.height; + dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE))); + dc.SetPen(*wxTRANSPARENT_PEN); + dc.DrawRectangle(rect); + dc.SetBrush(*wxTRANSPARENT_BRUSH); dc.SetPen(m_penBlack); @@ -197,8 +238,189 @@ wxRendererGeneric::DrawHeaderButton(wxWindow * WXUNUSED(win), 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 * WXUNUSED(win), @@ -206,9 +428,10 @@ wxRendererGeneric::DrawTreeItemButton(wxWindow * WXUNUSED(win), const wxRect& rect, int flags) { - // white background - dc.SetPen(*wxGREY_PEN); - dc.SetBrush(*wxWHITE_BRUSH); + // store settings + wxDCPenChanger penChanger(dc, *wxGREY_PEN); + wxDCBrushChanger brushChanger(dc, *wxWHITE_BRUSH); + dc.DrawRectangle(rect); // black lines @@ -338,7 +561,111 @@ wxRendererGeneric::DrawSplitterSash(wxWindow *win, } } +// ---------------------------------------------------------------------------- +// 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 ); +} + + +// ---------------------------------------------------------------------------- // A module to allow cleanup of generic renderer. +// ---------------------------------------------------------------------------- + class wxGenericRendererModule: public wxModule { DECLARE_DYNAMIC_CLASS(wxGenericRendererModule) @@ -349,4 +676,3 @@ public: }; IMPLEMENT_DYNAMIC_CLASS(wxGenericRendererModule, wxModule) -