size_t
DecomposeIntoNoRepeatRects(const gfx::Rect& aRect,
const gfx::Rect& aTexCoordRect,
decomposedRectArrayT* aLayerRects,
decomposedRectArrayT* aTextureRects)
{
gfx::Rect texCoordRect = aTexCoordRect;
// If the texture should be flipped, it will have negative height. Detect that
// here and compensate for it. We will flip each rect as we emit it.
bool flipped = false;
if (texCoordRect.height < 0) {
flipped = true;
texCoordRect.y += texCoordRect.height;
texCoordRect.height = -texCoordRect.height;
}
// Wrap the texture coordinates so they are within [0,1] and cap width/height
// at 1. We rely on this below.
texCoordRect = gfx::Rect(gfx::Point(WrapTexCoord(texCoordRect.x),
WrapTexCoord(texCoordRect.y)),
gfx::Size(std::min(texCoordRect.width, 1.0f),
std::min(texCoordRect.height, 1.0f)));
NS_ASSERTION(texCoordRect.x >= 0.0f && texCoordRect.x <= 1.0f &&
texCoordRect.y >= 0.0f && texCoordRect.y <= 1.0f &&
texCoordRect.width >= 0.0f && texCoordRect.width <= 1.0f &&
texCoordRect.height >= 0.0f && texCoordRect.height <= 1.0f &&
texCoordRect.XMost() >= 0.0f && texCoordRect.XMost() <= 2.0f &&
texCoordRect.YMost() >= 0.0f && texCoordRect.YMost() <= 2.0f,
"We just wrapped the texture coordinates, didn't we?");
// Get the top left and bottom right points of the rectangle. Note that
// tl.x/tl.y are within [0,1] but br.x/br.y are within [0,2].
gfx::Point tl = texCoordRect.TopLeft();
gfx::Point br = texCoordRect.BottomRight();
NS_ASSERTION(tl.x >= 0.0f && tl.x <= 1.0f &&
tl.y >= 0.0f && tl.y <= 1.0f &&
br.x >= tl.x && br.x <= 2.0f &&
br.y >= tl.y && br.y <= 2.0f &&
FuzzyLTE(br.x - tl.x, 1.0f) &&
FuzzyLTE(br.y - tl.y, 1.0f),
"Somehow generated invalid texture coordinates");
// Then check if we wrap in either the x or y axis.
bool xwrap = br.x > 1.0f;
bool ywrap = br.y > 1.0f;
// If xwrap is false, the texture will be sampled from tl.x .. br.x.
// If xwrap is true, then it will be split into tl.x .. 1.0, and
// 0.0 .. WrapTexCoord(br.x). Same for the Y axis. The destination
// rectangle is also split appropriately, according to the calculated
// xmid/ymid values.
if (!xwrap && !ywrap) {
SetRects(0, aLayerRects, aTextureRects,
aRect.x, aRect.y, aRect.XMost(), aRect.YMost(),
tl.x, tl.y, br.x, br.y,
flipped);
return 1;
}
// If we are dealing with wrapping br.x and br.y are greater than 1.0 so
// wrap them here as well.
br = gfx::Point(xwrap ? WrapTexCoord(br.x) : br.x,
ywrap ? WrapTexCoord(br.y) : br.y);
// If we wrap around along the x axis, we will draw first from
// tl.x .. 1.0 and then from 0.0 .. br.x (which we just wrapped above).
// The same applies for the Y axis. The midpoints we calculate here are
// only valid if we actually wrap around.
GLfloat xmid = aRect.x + (1.0f - tl.x) / texCoordRect.width * aRect.width;
GLfloat ymid = aRect.y + (1.0f - tl.y) / texCoordRect.height * aRect.height;
NS_ASSERTION(!xwrap ||
(xmid > aRect.x &&
xmid < aRect.XMost() &&
FuzzyEqual((xmid - aRect.x) + (aRect.XMost() - xmid), aRect.width)),
"xmid should be within [x,XMost()] and the wrapped rect should have the same width");
NS_ASSERTION(!ywrap ||
(ymid > aRect.y &&
ymid < aRect.YMost() &&
FuzzyEqual((ymid - aRect.y) + (aRect.YMost() - ymid), aRect.height)),
"ymid should be within [y,YMost()] and the wrapped rect should have the same height");
if (!xwrap && ywrap) {
SetRects(0, aLayerRects, aTextureRects,
aRect.x, aRect.y, aRect.XMost(), ymid,
tl.x, tl.y, br.x, 1.0f,
flipped);
SetRects(1, aLayerRects, aTextureRects,
aRect.x, ymid, aRect.XMost(), aRect.YMost(),
tl.x, 0.0f, br.x, br.y,
flipped);
return 2;
}
if (xwrap && !ywrap) {
SetRects(0, aLayerRects, aTextureRects,
aRect.x, aRect.y, xmid, aRect.YMost(),
tl.x, tl.y, 1.0f, br.y,
flipped);
SetRects(1, aLayerRects, aTextureRects,
xmid, aRect.y, aRect.XMost(), aRect.YMost(),
0.0f, tl.y, br.x, br.y,
flipped);
return 2;
}
SetRects(0, aLayerRects, aTextureRects,
aRect.x, aRect.y, xmid, ymid,
tl.x, tl.y, 1.0f, 1.0f,
flipped);
SetRects(1, aLayerRects, aTextureRects,
xmid, aRect.y, aRect.XMost(), ymid,
0.0f, tl.y, br.x, 1.0f,
flipped);
SetRects(2, aLayerRects, aTextureRects,
aRect.x, ymid, xmid, aRect.YMost(),
tl.x, 0.0f, 1.0f, br.y,
flipped);
SetRects(3, aLayerRects, aTextureRects,
xmid, ymid, aRect.XMost(), aRect.YMost(),
0.0f, 0.0f, br.x, br.y,
flipped);
return 4;
}
void clRowEntry::Render(wxWindow* win, wxDC& dc, const clColours& c, int row_index, clSearchText* searcher)
{
wxUnusedVar(searcher);
wxRect rowRect = GetItemRect();
bool zebraColouring = (m_tree->HasStyle(wxTR_ROW_LINES) || m_tree->HasStyle(wxDV_ROW_LINES));
bool even_row = ((row_index % 2) == 0);
// Define the clipping region
bool hasHeader = (m_tree->GetHeader() && !m_tree->GetHeader()->empty());
// Not cell related
clColours colours = c;
if(zebraColouring) {
// Set Zebra colouring, only if no user colour was provided for the given line
colours.SetItemBgColour(even_row ? c.GetAlternateColour() : c.GetBgColour());
}
// Override default item bg colour with the user's one
if(GetBgColour().IsOk()) { colours.SetItemBgColour(GetBgColour()); }
wxRect selectionRect = rowRect;
wxPoint deviceOrigin = dc.GetDeviceOrigin();
selectionRect.SetX(-deviceOrigin.x);
if(IsSelected()) {
DrawSimpleSelection(win, dc, selectionRect, colours);
} else if(IsHovered()) {
dc.SetPen(colours.GetHoverBgColour());
dc.SetBrush(colours.GetHoverBgColour());
dc.DrawRectangle(selectionRect);
} else if(colours.GetItemBgColour().IsOk()) {
dc.SetBrush(colours.GetItemBgColour());
dc.SetPen(colours.GetItemBgColour());
dc.DrawRectangle(selectionRect);
}
// Per cell drawings
for(size_t i = 0; i < m_cells.size(); ++i) {
bool last_cell = (i == (m_cells.size() - 1));
colours = c; // reset the colours
wxFont f = clScrolledPanel::GetDefaultFont();
clCellValue& cell = GetColumn(i);
if(cell.GetFont().IsOk()) { f = cell.GetFont(); }
if(cell.GetTextColour().IsOk()) { colours.SetItemTextColour(cell.GetTextColour()); }
if(cell.GetBgColour().IsOk()) { colours.SetItemBgColour(cell.GetBgColour()); }
dc.SetFont(f);
wxColour buttonColour = IsSelected() ? colours.GetSelbuttonColour() : colours.GetButtonColour();
wxRect cellRect = GetCellRect(i);
// We use a helper class to clip the drawings this ensures that if we exit the scope
// the clipping region is restored properly
clClipperHelper clipper(dc);
if(hasHeader) { clipper.Clip(cellRect); }
int textXOffset = cellRect.GetX();
if((i == 0) && !IsListItem()) {
// The expand button is only make sense for the first cell
if(HasChildren()) {
wxRect buttonRect = GetButtonRect();
buttonRect.Deflate(1);
textXOffset += buttonRect.GetWidth();
if(m_tree->IsNativeTheme() && !IS_OSX) {
int flags = wxCONTROL_CURRENT;
if(IsExpanded()) { flags |= wxCONTROL_EXPANDED; }
int button_width = wxSystemSettings::GetMetric(wxSYS_SMALLICON_X);
wxRect modButtonRect = buttonRect;
modButtonRect.SetWidth(button_width);
modButtonRect.SetHeight(button_width);
modButtonRect = modButtonRect.CenterIn(buttonRect);
wxRendererNative::Get().DrawTreeItemButton(win, dc, modButtonRect, flags);
} else {
wxRect buttonRect = GetButtonRect();
if(textXOffset >= cellRect.GetWidth()) {
// if we cant draw the button (off screen etc)
SetRects(GetItemRect(), wxRect());
continue;
}
buttonRect.Deflate((buttonRect.GetWidth() / 3), (buttonRect.GetHeight() / 3));
wxRect tribtn = buttonRect;
dc.SetPen(wxPen(buttonColour, 2));
if(IsExpanded()) {
tribtn.SetHeight(tribtn.GetHeight() - tribtn.GetHeight() / 2);
tribtn = tribtn.CenterIn(buttonRect);
wxPoint middleLeft = wxPoint((tribtn.GetLeft() + tribtn.GetWidth() / 2), tribtn.GetBottom());
dc.DrawLine(tribtn.GetTopLeft(), middleLeft);
dc.DrawLine(tribtn.GetTopRight(), middleLeft);
} else {
tribtn.SetWidth(tribtn.GetWidth() - tribtn.GetWidth() / 2);
tribtn = tribtn.CenterIn(buttonRect);
wxPoint middleLeft = wxPoint(tribtn.GetRight(), (tribtn.GetY() + (tribtn.GetHeight() / 2)));
wxPoint p1 = tribtn.GetTopLeft();
wxPoint p2 = tribtn.GetBottomLeft();
dc.DrawLine(p1, middleLeft);
dc.DrawLine(middleLeft, p2);
}
}
} else {
wxRect buttonRect(rowRect);
buttonRect.SetWidth(rowRect.GetHeight());
buttonRect.Deflate(1);
textXOffset += buttonRect.GetWidth();
if(textXOffset >= cellRect.GetWidth()) {
SetRects(GetItemRect(), wxRect());
continue;
}
}
}
int itemIndent = IsListItem() ? clHeaderItem::X_SPACER : (GetIndentsCount() * m_tree->GetIndent());
int bitmapIndex = cell.GetBitmapIndex();
if(IsExpanded() && HasChildren() && cell.GetBitmapSelectedIndex() != wxNOT_FOUND) {
bitmapIndex = cell.GetBitmapSelectedIndex();
}
// Draw checkbox
if(cell.IsBool()) {
// Render the checkbox
textXOffset += X_SPACER;
int checkboxSize = GetCheckBoxWidth(win);
wxRect checkboxRect = wxRect(textXOffset, rowRect.GetY(), checkboxSize, checkboxSize);
checkboxRect = checkboxRect.CenterIn(rowRect, wxVERTICAL);
dc.SetPen(colours.GetItemTextColour());
RenderCheckBox(win, dc, colours, checkboxRect, cell.GetValueBool());
cell.SetCheckboxRect(checkboxRect);
textXOffset += checkboxRect.GetWidth();
textXOffset += X_SPACER;
} else {
cell.SetCheckboxRect(wxRect()); // clear the checkbox rect
}
// Draw the bitmap
if(bitmapIndex != wxNOT_FOUND) {
const wxBitmap& bmp = m_tree->GetBitmap(bitmapIndex);
if(bmp.IsOk()) {
textXOffset += IsListItem() ? 0 : X_SPACER;
int bitmapY = rowRect.GetY() + ((rowRect.GetHeight() - bmp.GetScaledHeight()) / 2);
// if((textXOffset + bmp.GetScaledWidth()) >= cellRect.GetWidth()) { continue; }
dc.DrawBitmap(bmp, itemIndent + textXOffset, bitmapY, true);
textXOffset += bmp.GetScaledWidth();
textXOffset += X_SPACER;
}
}
// Draw the text
wxRect textRect(dc.GetTextExtent(cell.GetValueString()));
textRect = textRect.CenterIn(rowRect, wxVERTICAL);
int textY = textRect.GetY();
int textX = (i == 0 ? itemIndent : clHeaderItem::X_SPACER) + textXOffset;
RenderText(win, dc, colours, cell.GetValueString(), textX, textY, i);
textXOffset += textRect.GetWidth();
textXOffset += X_SPACER;
if(cell.IsChoice()) {
// draw the drop down arrow. Make it aligned to the right
wxRect dropDownRect(cellRect.GetTopRight().x - rowRect.GetHeight(), rowRect.GetY(), rowRect.GetHeight(),
rowRect.GetHeight());
dropDownRect = dropDownRect.CenterIn(rowRect, wxVERTICAL);
DrawingUtils::DrawDropDownArrow(win, dc, dropDownRect, wxNullColour);
// Keep the rect to test clicks
cell.SetDropDownRect(dropDownRect);
textXOffset += dropDownRect.GetWidth();
textXOffset += X_SPACER;
// Draw a separator line between the drop down arrow and the rest of the cell content
dropDownRect.Deflate(3);
dropDownRect = dropDownRect.CenterIn(rowRect, wxVERTICAL);
dc.SetPen(wxPen(colours.GetHeaderVBorderColour(), 1, PEN_STYLE));
dc.DrawLine(dropDownRect.GetTopLeft(), dropDownRect.GetBottomLeft());
} else {
cell.SetDropDownRect(wxRect());
}
if(!last_cell) {
cellRect.SetHeight(rowRect.GetHeight());
dc.SetPen(wxPen(colours.GetHeaderVBorderColour(), 1, PEN_STYLE));
dc.DrawLine(cellRect.GetTopRight(), cellRect.GetBottomRight());
}
}
}
