// TODO: the position still seems a bit off wrt. padding
void ButtonVector::RecalculateSize(bool repaintIfSizeDidntChange)
{
Size prevSize = desiredSize;
CachedStyle *s = cachedStyle;
desiredSize = GetBorderAndPaddingSize(s);
Rect bbox;
Brush *brStroke = BrushFromColorData(s->stroke, bbox);
if (0.f == s->strokeWidth) {
graphicsPath->GetBounds(&bbox);
} else {
Pen pen(brStroke, s->strokeWidth);
// pen widith is multiplied by MiterLimit(), which is 10 by default
// so set it explicitly to 1 for the size we expect
pen.SetMiterLimit(1.f);
pen.SetAlignment(PenAlignmentInset);
graphicsPath->GetBounds(&bbox, NULL, &pen);
}
desiredSize.Width += bbox.Width;
desiredSize.Height += bbox.Height;
if (!prevSize.Equals(desiredSize))
RequestLayout(this);
else if (repaintIfSizeDidntChange)
RequestRepaint(this);
}
void ProgressBar::SetRange(int nMin, int nMax)
{
m_nMin = nMin;
m_nMax = nMax;
CheckRange();
RequestRepaint();
}
void Control::Hide()
{
if (!IsVisible())
return;
RequestRepaint(this); // request repaint before hiding, to trigger repaint
bit::Set(stateBits, IsHiddenBit);
}
void Control::Show()
{
if (IsVisible())
return; // perf: avoid unnecessary repaints
bit::Clear(stateBits, IsHiddenBit);
RequestRepaint(this);
}
// Update desired size of the button. If the size changes, trigger layout
// (which will in turn request repaints of affected areas)
// To keep size of the button stable (to avoid re-layouts) we use font
// line spacing to be the height of the button, even if text is empty.
// Note: it might be that for some cases button with no text should collapse
// in size but we don't have a need for that yet
void Button::RecalculateSize(bool repaintIfSizeDidntChange)
{
Size prevSize = desiredSize;
desiredSize = GetBorderAndPaddingSize(cachedStyle);
Graphics *gfx = AllocGraphicsForMeasureText();
CachedStyle *s = cachedStyle;
Font *font = GetCachedFont(s->fontName, s->fontSize, s->fontWeight);
textDx = 0;
float fontDy = font->GetHeight(gfx);
RectF bbox;
if (text) {
bbox = MeasureText(gfx, font, text);
textDx = (size_t)bbox.Width; // TODO: round up?
// bbox shouldn't be bigger than fontDy. We apply magic adjustment because
// bbox is bigger in n-th decimal point
CrashIf(fontDy + .5f < bbox.Height);
}
desiredSize.Width += textDx;
desiredSize.Height += (INT)fontDy; // TODO: round up?
FreeGraphicsForMeasureText(gfx);
if (!prevSize.Equals(desiredSize))
RequestLayout(this);
else if (repaintIfSizeDidntChange)
RequestRepaint(this);
}
void ScrollBar::SetFilled(float perc) {
CrashIf((perc < 0.f) || (perc > 1.f));
int prev = IntFromPerc(pos.Width, filledPerc);
int curr = IntFromPerc(pos.Width, perc);
filledPerc = perc;
if (prev != curr)
RequestRepaint(this);
}
// This is just to test mouse move handling
void PageControl::NotifyMouseMove(int x, int y)
{
#if 0
Rect r1 = RectForCircle(cursorX, cursorY, 10);
Rect r2 = RectForCircle(x, y, 10);
cursorX = x; cursorY = y;
r1.Inflate(1,1); r2.Inflate(1,1);
RequestRepaint(this, &r1, &r2);
#endif
}
// returns true if the style of control has changed
bool Control::SetStyle(Style *style)
{
bool changed;
CachedStyle *currStyle = cachedStyle;
cachedStyle = CacheStyle(style, &changed);
if (currStyle != cachedStyle)
changed = true;
if (changed)
RequestRepaint(this);
return changed;
}
void Control::SetPosition(const Rect& p)
{
if (p.Equals(pos))
return; // perf optimization
bool sizeChanged = (p.Width != pos.Width) || (p.Height != pos.Height);
// when changing position we need to invalidate both
// before and after position
// TODO: not sure why I need this, but without it there
// are drawing artifacts
Rect p1(p); p1.Inflate(1,1);
Rect p2(pos); p2.Inflate(1,1);
RequestRepaint(this, &p1, &p2);
pos = p;
if (!sizeChanged)
return;
HwndWrapper *hwnd = GetRootHwndWnd(this);
hwnd->evtMgr->NotifySizeChanged(this, p.Width, p.Height);
}
// Update desired size of the button. If the size changes, trigger layout
// (which will in turn request repaints of affected areas)
// To keep size of the button stable (to avoid re-layouts) we use font
// line spacing to be the height of the button, even if text is empty.
// Note: it might be that for some cases button with no text should collapse
// in size but we don't have a need for that yet
void Button::RecalculateSize(bool repaintIfSizeDidntChange)
{
Size prevSize = desiredSize;
desiredSize = GetBorderAndPaddingSize(cachedStyle);
Graphics *gfx = AllocGraphicsForMeasureText();
CachedStyle *s = cachedStyle;
Font *font = GetCachedFont(s->fontName, s->fontSize, s->fontWeight);
textDx = 0;
float fontDy = font->GetHeight(gfx);
RectF bbox;
if (text) {
bbox = MeasureText(gfx, font, text);
textDx = CeilI(bbox.Width);
// I theorize that bbox shouldn't be bigger than fontDy. However, in practice
// it is (e.g. for Lucida Grande and text "Page: 0 / 0", bbox.Dy is 19.00
// and fontDy is 18.11). I still want to know if the difference gets even bigger
// than that
float maxDiff = 1.f;
if (bbox.Height > fontDy + maxDiff) {
fontDy = bbox.Height;
float diff = fontDy + maxDiff - bbox.Height;
char *fontName = str::conv::ToUtf8(s->fontName);
char *tmp = str::conv::ToUtf8(text);
CrashLogFmt("fontDy=%.2f, bbox.Height=%.2f, diff=%.2f (should be > 0) font: %s, text='%s'\r\n", (float)fontDy, (float)bbox.Height, diff, fontName, tmp);
CrashIf(diff < 0);
}
}
desiredSize.Width += textDx;
desiredSize.Height += CeilI(fontDy);
FreeGraphicsForMeasureText(gfx);
if (!prevSize.Equals(desiredSize))
RequestLayout(this);
else if (repaintIfSizeDidntChange)
RequestRepaint(this);
}
void ProgressBar::SetMin(int nMin)
{
m_nMin = nMin;
CheckRange();
RequestRepaint();
}
void ScrollBar::NotifyMouseLeave()
{
if (inactiveDy != onOverDy)
RequestRepaint(this);
}
void ProgressBar::StepPosition()
{
m_nPosition += m_nSetpSize;
CheckRange();
RequestRepaint();
}
void ProgressBar::AdvancePosition(int nPos)
{
m_nPosition += nPos;
CheckRange();
RequestRepaint();
}
void ProgressBar::SetPosition(int nPos)
{
m_nPosition = nPos;
CheckRange();
RequestRepaint();
}
void ProgressBar::SetStepSize(int nSize)
{
m_nSetpSize = nSize;
RequestRepaint();
}
void PageControl::SetPage(HtmlPage *newPage)
{
page = newPage;
RequestRepaint(this);
}
void ProgressBar::SetBarImage(CxImage* pImage)
{
m_pBarImage = pImage;
RequestRepaint();
}
void ProgressBar::SetMax(int nMax)
{
m_nMax = nMax;
CheckRange();
RequestRepaint();
}
void PageControl::SetPage(PageData *newPage)
{
page = newPage;
RequestRepaint(this);
}
