X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5713b34914d8216e1af3dce0373d10566a6d7ea3..c7c6e54baed01937426239dd38164ee0326fa172:/src/gtk/dcclient.cpp diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp index d99ad46033..1fdc8aab53 100644 --- a/src/gtk/dcclient.cpp +++ b/src/gtk/dcclient.cpp @@ -329,38 +329,9 @@ wxWindowDC::wxWindowDC( wxWindow *window ) { // reverse sense m_signX = -1; - + // origin in the upper right corner - wxScrolledWindow *sw = wxDynamicCast( m_owner, wxScrolledWindow ); - if (sw) - { - // We cannot use just the virtual size here, because - // the virtual size may be less than the visible area - // due to rounding errors of the scroll steps. If the - // horizontal scroll step is 10 pixels and the virtual - // area is 97 pixels, we should be able to see or scroll - // to 100 pixels, so the origin is at -100, not -97. - if (sw->GetScrollLines(wxHORIZONTAL) == 0) - { - int client_width = m_owner->GetClientSize().x; - m_deviceOriginX = client_width; - } - else - { - int scroll_step = 0; - sw->GetScrollPixelsPerUnit( &scroll_step, NULL ); - int client_width = m_owner->GetClientSize().x; - int virtual_size = sw->GetVirtualSize().x; - int steps = (virtual_size + scroll_step - 1) / scroll_step; - int width = steps * scroll_step + (client_width % scroll_step); - m_deviceOriginX = width; - } - } - else - { - int client_width = m_owner->GetClientSize().x; - m_deviceOriginX = client_width; - } + m_deviceOriginX = m_owner->GetClientSize().x; } } @@ -420,6 +391,8 @@ void wxWindowDC::SetUpDC() gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() ); gdk_gc_set_fill( m_textGC, GDK_SOLID ); + + gdk_gc_set_colormap( m_textGC, m_cmap ); /* m_penGC */ m_pen.GetColour().CalcPixel( m_cmap ); @@ -611,8 +584,11 @@ void wxWindowDC::DoDrawArc( wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, { gdk_draw_arc( m_window, m_penGC, FALSE, xxc-r, yyc-r, 2*r,2*r, alpha1, alpha2 ); - gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc ); - gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 ); + if ((m_brush.GetStyle() != wxTRANSPARENT) && (alpha2 - alpha1 != 360*64)) + { + gdk_draw_line( m_window, m_penGC, xx1, yy1, xxc, yyc ); + gdk_draw_line( m_window, m_penGC, xxc, yyc, xx2, yy2 ); + } } } @@ -867,7 +843,36 @@ void wxWindowDC::DoDrawRectangle( wxCoord x, wxCoord y, wxCoord width, wxCoord h } if (m_pen.GetStyle() != wxTRANSPARENT) - gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 ); + { +#if 1 + if ((m_pen.GetWidth() == 2) && (m_pen.GetCap() == wxCAP_ROUND) && + (m_pen.GetJoin() == wxJOIN_ROUND) && (m_pen.GetStyle() == wxSOLID)) + { + // Use 2 1-line rects instead + gdk_gc_set_line_attributes( m_penGC, 1, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND ); + + if (m_signX == -1) + { + // Different for RTL + gdk_draw_rectangle( m_window, m_penGC, FALSE, xx+1, yy, ww-2, hh-2 ); + gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy-1, ww, hh ); + } + else + { + gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-2, hh-2 ); + gdk_draw_rectangle( m_window, m_penGC, FALSE, xx-1, yy-1, ww, hh ); + } + + // reset + gdk_gc_set_line_attributes( m_penGC, 2, GDK_LINE_SOLID, GDK_CAP_ROUND, GDK_JOIN_ROUND ); + } + else +#endif + { + // Just use X11 for other cases + gdk_draw_rectangle( m_window, m_penGC, FALSE, xx, yy, ww-1, hh-1 ); + } + } } CalcBoundingBox( x, y ); @@ -1212,9 +1217,9 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, xsrc = source->LogicalToDeviceX(xsrc); ysrc = source->LogicalToDeviceY(ysrc); - wxClientDC *srcDC = (wxClientDC*)source; - wxMemoryDC *memDC = (wxMemoryDC*)source; - + wxMemoryDC *memDC = wxDynamicCast(source, wxMemoryDC); + wxBitmap selected = source->GetSelectedBitmap(); + bool use_bitmap_method = false; bool is_mono = false; @@ -1224,11 +1229,11 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, ysrcMask = ysrc; } - if (srcDC->m_isMemDC) + if (memDC && !selected.Ok()) return false; + + if (selected.Ok()) { - if (!memDC->m_selected.Ok()) return false; - - is_mono = (memDC->m_selected.GetDepth() == 1); + is_mono = (selected.GetDepth() == 1); // we use the "XCopyArea" way to copy a memory dc into // a different window if the memory dc BOTH @@ -1236,7 +1241,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, // b) it is clipped // c) is not 1-bit - if (useMask && (memDC->m_selected.GetMask())) + if (useMask && (selected.GetMask())) { // we HAVE TO use the direct way for memory dcs // that have mask since the XCopyArea doesn't know @@ -1251,8 +1256,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, use_bitmap_method = true; } else if ((xsrc == 0) && (ysrc == 0) && - (width == memDC->m_selected.GetWidth()) && - (height == memDC->m_selected.GetHeight())) + (width == selected.GetWidth()) && + (height == selected.GetHeight())) { // we SHOULD use the direct way if all of the bitmap // in the memory dc is copied in which case XCopyArea @@ -1287,8 +1292,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, if (use_bitmap_method) { // scale/translate bitmap size - wxCoord bm_width = memDC->m_selected.GetWidth(); - wxCoord bm_height = memDC->m_selected.GetHeight(); + wxCoord bm_width = selected.GetWidth(); + wxCoord bm_height = selected.GetHeight(); // Get clip coords for the bitmap. If we don't // use wxBitmap::Rescale(), which can clip the @@ -1309,18 +1314,19 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, wxCoord bm_hh = YLOG2DEVREL( bm_height ); // Scale bitmap if required - wxBitmap use_bitmap = memDC->m_selected; - if ((memDC->m_selected.GetWidth()!= bm_ww) || ( memDC->m_selected.GetHeight()!= bm_hh)) + wxBitmap use_bitmap = selected; + if ((selected.GetWidth()!= bm_ww) || ( selected.GetHeight()!= bm_hh)) { // This indicates that the blitting code below will get // a clipped bitmap and therefore needs to move the origin // accordingly wxRegion tmp( xx,yy,ww,hh ); - tmp.Intersect( m_currentClippingRegion ); + if (!m_currentClippingRegion.IsNull()) + tmp.Intersect( m_currentClippingRegion ); tmp.GetBox(cx,cy,cw,ch); // Scale and clipped bitmap - use_bitmap = memDC->m_selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh); + use_bitmap = selected.Rescale(cx-xx,cy-yy,cw,ch,bm_ww,bm_hh); } // apply mask if any @@ -1400,7 +1406,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, } else // use_bitmap_method { - if ((width != ww) || (height != hh)) + if (selected.Ok() && ((width != ww) || (height != hh))) { // get clip coords wxRegion tmp( xx,yy,ww,hh ); @@ -1409,7 +1415,7 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, tmp.GetBox(cx,cy,cw,ch); // rescale bitmap - wxBitmap bitmap = memDC->m_selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh ); + wxBitmap bitmap = selected.Rescale( cx-xx, cy-yy, cw, ch, ww, hh ); // draw scaled bitmap // was: gdk_draw_drawable( m_window, m_penGC, bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 ); @@ -1419,10 +1425,14 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest, { // No scaling and not a memory dc with a mask either + GdkWindow* window = source->GetGDKWindow(); + if ( !window ) + return false; + // copy including child window contents gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS ); gdk_draw_drawable( m_window, m_penGC, - srcDC->GetWindow(), + window, xsrc, ysrc, xx, yy, width, height ); gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN ); @@ -1449,13 +1459,53 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) wxCHECK_RET( m_layout, wxT("no Pango layout") ); wxCHECK_RET( m_fontdesc, wxT("no Pango font description") ); + gdk_pango_context_set_colormap( m_context, m_cmap ); + bool underlined = m_font.Ok() && m_font.GetUnderlined(); const wxCharBuffer data = wxGTK_CONV( text ); if ( !data ) return; - const size_t datalen = strlen(data); - pango_layout_set_text( m_layout, data, datalen); + size_t datalen = strlen(data); + + // TODO: as soon as Pango provides a function to check at runtime its + // version, we can use it to disable the underline hack for + // Pango >= 1.16 as the "underline of leading/trailing spaces" + // has been fixed there + bool needshack = underlined; + char *hackstring = NULL; + + if (needshack) + { + // a PangoLayout which has leading/trailing spaces with underlined font + // is not correctly drawn by this pango version: Pango won't underline the spaces. + // This can be a problem; e.g. wxHTML rendering of underlined text relies on + // this behaviour. To workaround this problem, we use a special hack here + // suggested by pango maintainer Behdad Esfahbod: we prepend and append two + // empty space characters and give them a dummy colour attribute. + // This will force Pango to underline the leading/trailing spaces, too. + + // need to realloc the string to prepend & append our special characters + hackstring = (char*)malloc((datalen+7)*sizeof(char)); + + // copy the leading U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format + strcpy(hackstring, "\342\200\214"); + + // copy the user string + memcpy(&hackstring[3], data, datalen); + + // copy the trailing U+200C ZERO WIDTH NON-JOINER encoded in UTF8 format + strcpy(&hackstring[datalen+3], "\342\200\214"); + + // the special characters that we added require 6 additional bytes: + datalen += 6; + + pango_layout_set_text(m_layout, hackstring, datalen); + } + else + { + pango_layout_set_text(m_layout, data, datalen); + } if (underlined) { @@ -1464,6 +1514,22 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) a->start_index = 0; a->end_index = datalen; pango_attr_list_insert(attrs, a); + + if (needshack) + { + // dummy colour for the leading space + a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614); + a->start_index = 0; + a->end_index = 1; + pango_attr_list_insert(attrs, a); + + // dummy colour for the trailing space + a = pango_attr_foreground_new (0x0057, 0x52A9, 0xD614); + a->start_index = datalen - 1; + a->end_index = datalen; + pango_attr_list_insert(attrs, a); + } + pango_layout_set_attributes(m_layout, attrs); pango_attr_list_unref(attrs); } @@ -1534,6 +1600,9 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y ) height = wxCoord(height / m_scaleY); CalcBoundingBox (x + width, y + height); CalcBoundingBox (x, y); + + if (hackstring) + free(hackstring); } @@ -1706,6 +1775,50 @@ void wxWindowDC::DoGetTextExtent(const wxString &string, pango_layout_set_font_description( m_layout, m_fontdesc ); } + +bool wxWindowDC::DoGetPartialTextExtents(const wxString& text, + wxArrayInt& widths) const +{ + const size_t len = text.length(); + widths.Empty(); + widths.Add(0, len); + + if (text.empty()) + return true; + + // Set layout's text + const wxCharBuffer dataUTF8 = wxGTK_CONV_FONT(text, m_font); + if ( !dataUTF8 ) + { + // hardly ideal, but what else can we do if conversion failed? + wxLogLastError(wxT("DoGetPartialTextExtents")); + return false; + } + + pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) ); + + // Calculate the position of each character based on the widths of + // the previous characters + + // Code borrowed from Scintilla's PlatGTK + PangoLayoutIter *iter = pango_layout_get_iter(m_layout); + PangoRectangle pos; + pango_layout_iter_get_cluster_extents(iter, NULL, &pos); + size_t i = 0; + while (pango_layout_iter_next_cluster(iter)) + { + pango_layout_iter_get_cluster_extents(iter, NULL, &pos); + int position = PANGO_PIXELS(pos.x); + widths[i++] = position; + } + while (i < len) + widths[i++] = PANGO_PIXELS(pos.x + pos.width); + pango_layout_iter_free(iter); + + return true; +} + + wxCoord wxWindowDC::GetCharWidth() const { pango_layout_set_text( m_layout, "H", 1 ); @@ -2151,6 +2264,11 @@ void wxWindowDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoo rect.width = XLOG2DEVREL(width); rect.height = YLOG2DEVREL(height); + if (m_owner && m_owner->m_wxwindow && (m_owner->GetLayoutDirection() == wxLayout_RightToLeft)) + { + rect.x -= rect.width; + } + if (!m_currentClippingRegion.IsNull()) m_currentClippingRegion.Intersect( rect ); else @@ -2327,7 +2445,7 @@ wxPaintDC::wxPaintDC( wxWindow *win ) return; wxSize sz = win->GetSize(); - m_paintClippingRegion = win->GetUpdateRegion(); + m_paintClippingRegion = win->m_nativeUpdateRegion; wxLimitRegionToSize(m_paintClippingRegion, sz); GdkRegion *region = m_paintClippingRegion.GetRegion();