void
ButtonWindow::OnPaint(Canvas &canvas)
{
const bool focused = HasCursorKeys() ? HasFocus() : down;
if (focused) {
Pen pen(Layout::Scale(1), COLOR_BLACK);
canvas.Select(pen);
canvas.SelectHollowBrush();
canvas.Rectangle(-1, -1, canvas.GetWidth(), canvas.GetHeight());
}
PixelRect rc(2, 2, canvas.GetWidth() - 4, canvas.GetHeight() - 4);
if (down) {
rc.left += Layout::FastScale(1);
rc.top += Layout::FastScale(1);
}
canvas.DrawButton(GetClientRect(), down);
canvas.SetTextColor(IsEnabled()
? (IsDithered() && down ? COLOR_WHITE : COLOR_BLACK)
: COLOR_GRAY);
canvas.SetBackgroundTransparent();
unsigned style = GetTextStyle();
if (IsDithered())
style |= DT_UNDERLINE;
canvas.DrawFormattedText(&rc, text.c_str(), style);
}
void paint(Canvas &canvas) {
canvas.SelectHollowBrush();
canvas.SelectBlackPen();
Brush red_brush(COLOR_RED);
const PixelRect rc = GetClientRect();
const int width = rc.right - rc.left;
const int height = rc.bottom - rc.top;
const int hmiddle = (rc.left + rc.right) / 2;
const int vmiddle = (rc.top + rc.bottom) / 2;
RasterPoint p1[3] = {
{ -100, vmiddle },
{ (width * 2) / 3, -100 },
{ hmiddle, height * 2 },
};
RasterPoint p2[3] = {
{ -2000, vmiddle },
{ width * 10, -3000 },
{ width * 5, 3000 },
};
const TCHAR *label;
switch (page) {
case 0:
canvas.DrawSegment(hmiddle, vmiddle,
min(width, height) / 3,
Angle::Zero(), Angle::Degrees(90),
false);
label = _T("segment 0-90 horizon=false");
break;
case 1:
canvas.DrawSegment(hmiddle, vmiddle,
min(width, height) / 3,
Angle::Degrees(45), Angle::Degrees(180),
true);
label = _T("segment 45-180 horizon=true");
break;
case 2:
canvas.DrawCircle(hmiddle, vmiddle,
min(width, height) / 3);
label = _T("circle");
break;
case 3:
case 4:
PixelRect rc;
rc.left = hmiddle - 50;
rc.top = vmiddle - 20;
rc.right = hmiddle + 50;
rc.bottom = vmiddle + 20;
canvas.DrawButton(rc, page == 4);
label = page == 4
? _T("button down=true") : _T("button down=false");
break;
case 5:
canvas.Select(red_brush);
canvas.DrawPolygon(p1, 3);
label = _T("big polygon");
break;
case 6:
canvas.Select(red_brush);
canvas.DrawPolygon(p2, 3);
label = _T("huge polygon");
break;
}
canvas.SetTextColor(Color(0, 0, 128));
canvas.SetBackgroundTransparent();
canvas.Select(normal_font);
canvas.DrawText(5, 5, label);
#ifndef ENABLE_OPENGL
canvas.DrawText(5, 25,
buffered ? _T("buffered") : _T("not buffered"));
#endif
}
void
ScrollBar::Paint(Canvas &canvas) const
{
// Prepare Pen
canvas.SelectBlackPen();
// ###################
// #### ScrollBar ####
// ###################
// draw rectangle around entire scrollbar area
canvas.DrawTwoLines(rc.left, rc.top, rc.left, rc.bottom,
rc.right, rc.bottom);
canvas.DrawTwoLines(rc.right, rc.bottom, rc.right, rc.top,
rc.left, rc.top);
// ###################
// #### Buttons ####
// ###################
UPixelScalar arrow_padding = max(UPixelScalar(GetWidth() / 4),
UPixelScalar(4));
canvas.SelectBlackBrush();
PixelRect up_arrow_rect = rc;
++up_arrow_rect.left;
up_arrow_rect.bottom = up_arrow_rect.top + GetWidth();
canvas.DrawLine(up_arrow_rect.left, up_arrow_rect.bottom,
up_arrow_rect.right, up_arrow_rect.bottom);
canvas.DrawButton(up_arrow_rect, false);
RasterPoint up_arrow[3] = {
{ PixelScalar((up_arrow_rect.left + rc.right) / 2),
PixelScalar(up_arrow_rect.top + arrow_padding) },
{ PixelScalar(up_arrow_rect.left + arrow_padding),
PixelScalar(up_arrow_rect.bottom - arrow_padding) },
{ PixelScalar(rc.right - arrow_padding),
PixelScalar(up_arrow_rect.bottom - arrow_padding) },
};
canvas.DrawTriangleFan(up_arrow, ARRAY_SIZE(up_arrow));
PixelRect down_arrow_rect = rc;
++down_arrow_rect.left;
down_arrow_rect.top = down_arrow_rect.bottom - GetWidth();
canvas.DrawLine(down_arrow_rect.left, down_arrow_rect.top - 1,
down_arrow_rect.right, down_arrow_rect.top - 1);
canvas.DrawButton(down_arrow_rect, false);
RasterPoint down_arrow[3] = {
{ PixelScalar((down_arrow_rect.left + rc.right) / 2),
PixelScalar(down_arrow_rect.bottom - arrow_padding) },
{ PixelScalar(down_arrow_rect.left + arrow_padding),
PixelScalar(down_arrow_rect.top + arrow_padding) },
{ PixelScalar(rc.right - arrow_padding),
PixelScalar(down_arrow_rect.top + arrow_padding) },
};
canvas.DrawTriangleFan(down_arrow, ARRAY_SIZE(down_arrow));
// ###################
// #### Slider ####
// ###################
if (rc_slider.top + 4 < rc_slider.bottom) {
canvas.DrawLine(rc_slider.left, rc_slider.top,
rc_slider.right, rc_slider.top);
canvas.DrawLine(rc_slider.left, rc_slider.bottom,
rc_slider.right, rc_slider.bottom);
PixelRect rc_slider2 = rc_slider;
++rc_slider2.left;
++rc_slider2.top;
canvas.DrawButton(rc_slider2, false);
}
// fill the rest with darker gray
if (up_arrow_rect.bottom + 1 < rc_slider.top)
canvas.DrawFilledRectangle(rc.left + 1, up_arrow_rect.bottom + 1,
rc.right, rc_slider.top, COLOR_GRAY);
if (rc_slider.bottom < down_arrow_rect.top)
canvas.DrawFilledRectangle(rc.left + 1, rc_slider.bottom,
rc.right, down_arrow_rect.top, COLOR_GRAY);
}
void
ScrollBar::Paint(Canvas &canvas) const
{
// ###################
// #### ScrollBar ####
// ###################
// draw rectangle around entire scrollbar area
canvas.SelectBlackPen();
canvas.SelectHollowBrush();
canvas.Rectangle(rc.left, rc.top, rc.right, rc.bottom);
// ###################
// #### Buttons ####
// ###################
const int arrow_padding = std::max(GetWidth() / 4, 4);
PixelRect up_arrow_rect = rc;
++up_arrow_rect.left;
up_arrow_rect.bottom = up_arrow_rect.top + GetWidth();
PixelRect down_arrow_rect = rc;
++down_arrow_rect.left;
down_arrow_rect.top = down_arrow_rect.bottom - GetWidth();
canvas.DrawExactLine(up_arrow_rect.left, up_arrow_rect.bottom,
up_arrow_rect.right, up_arrow_rect.bottom);
canvas.DrawExactLine(down_arrow_rect.left, down_arrow_rect.top - 1,
down_arrow_rect.right, down_arrow_rect.top - 1);
canvas.DrawButton(up_arrow_rect, false);
canvas.DrawButton(down_arrow_rect, false);
canvas.SelectNullPen();
canvas.SelectBlackBrush();
const RasterPoint up_arrow[3] = {
{ (up_arrow_rect.left + rc.right) / 2,
up_arrow_rect.top + arrow_padding },
{ up_arrow_rect.left + arrow_padding,
up_arrow_rect.bottom - arrow_padding },
{ rc.right - arrow_padding,
up_arrow_rect.bottom - arrow_padding },
};
canvas.DrawTriangleFan(up_arrow, ARRAY_SIZE(up_arrow));
const RasterPoint down_arrow[3] = {
{ (down_arrow_rect.left + rc.right) / 2,
down_arrow_rect.bottom - arrow_padding },
{ down_arrow_rect.left + arrow_padding,
down_arrow_rect.top + arrow_padding },
{ rc.right - arrow_padding,
down_arrow_rect.top + arrow_padding },
};
canvas.DrawTriangleFan(down_arrow, ARRAY_SIZE(down_arrow));
// ###################
// #### Slider ####
// ###################
if (rc_slider.top + 4 < rc_slider.bottom) {
canvas.SelectBlackPen();
canvas.DrawExactLine(rc_slider.left, rc_slider.top,
rc_slider.right, rc_slider.top);
canvas.DrawExactLine(rc_slider.left, rc_slider.bottom,
rc_slider.right, rc_slider.bottom);
PixelRect rc_slider2 = rc_slider;
++rc_slider2.left;
++rc_slider2.top;
canvas.DrawButton(rc_slider2, false);
}
// fill the rest with darker gray
if (up_arrow_rect.bottom + 1 < rc_slider.top)
canvas.DrawFilledRectangle(rc.left + 1, up_arrow_rect.bottom + 1,
rc.right, rc_slider.top, COLOR_GRAY);
if (rc_slider.bottom + 1 < down_arrow_rect.top - 1)
canvas.DrawFilledRectangle(rc.left + 1, rc_slider.bottom + 1,
rc.right, down_arrow_rect.top - 1, COLOR_GRAY);
}
void paint(Canvas &canvas) {
canvas.SelectHollowBrush();
canvas.SelectBlackPen();
Brush red_brush(COLOR_RED);
const PixelRect rc = get_client_rect();
const UPixelScalar width = rc.right - rc.left;
const UPixelScalar height = rc.bottom - rc.top;
const UPixelScalar hmiddle = (rc.left + rc.right) / 2;
const UPixelScalar vmiddle = (rc.top + rc.bottom) / 2;
RasterPoint p1[3] = {
{ -100, PixelScalar(vmiddle) },
{ PixelScalar((width * 2) / 3), -100 },
{ PixelScalar(hmiddle), PixelScalar(height * 2) },
};
RasterPoint p2[3] = {
{ -2000, PixelScalar(vmiddle) },
{ PixelScalar(width * 10), -3000 },
{ PixelScalar(width * 5), 3000 },
};
const TCHAR *label;
switch (page) {
case 0:
canvas.DrawSegment(hmiddle, vmiddle,
min(width, height) / 3,
Angle::Degrees(fixed_zero), Angle::Degrees(fixed(90)),
false);
label = _T("segment 0-90 horizon=false");
break;
case 1:
canvas.DrawSegment(hmiddle, vmiddle,
min(width, height) / 3,
Angle::Degrees(fixed(45)), Angle::Degrees(fixed_180),
true);
label = _T("segment 45-180 horizon=true");
break;
case 2:
canvas.circle(hmiddle, vmiddle,
min(width, height) / 3);
label = _T("circle");
break;
case 3:
case 4:
PixelRect rc;
rc.left = hmiddle - 50;
rc.top = vmiddle - 20;
rc.right = hmiddle + 50;
rc.bottom = vmiddle + 20;
canvas.DrawButton(rc, page == 4);
label = page == 4
? _T("button down=true") : _T("button down=false");
break;
case 5:
canvas.Select(red_brush);
canvas.polygon(p1, 3);
label = _T("big polygon");
break;
case 6:
canvas.Select(red_brush);
canvas.polygon(p2, 3);
label = _T("huge polygon");
break;
}
canvas.SetTextColor(Color(0, 0, 128));
canvas.text(5, 5, label);
#ifndef ENABLE_OPENGL
canvas.text(5, 25,
buffered ? _T("buffered") : _T("not buffered"));
#endif
}
