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Added method to draw an arrow shape like that of the BScrollBar.

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TODO: Adjust BScrollBar to use it.
TODO: Make it virtual like the others, but I don't want to break Vision and
other native Haiku apps just now.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29630 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2009-03-21 17:22:56 +00:00
parent 49c80ab55d
commit 40a10e1c52
2 changed files with 78 additions and 0 deletions
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14
headers/os/interface/ControlLook.h
View File

@ -48,6 +48,13 @@ public:
| B_TOP_BORDER | B_BOTTOM_BORDER
};
enum {
B_LEFT_ARROW = 0,
B_RIGHT_ARROW = 1,
B_UP_ARROW = 2,
B_DOWN_ARROW = 3
};
enum {
B_FOCUSED = 1 << 0,
B_CLICKED = 1 << 1, // some controls activate on mouse up
@ -134,6 +141,13 @@ public:
const rgb_color& base, uint32 flags,
enum orientation orientation);
// TODO: Make virtual before R1 release
void DrawArrowShape(BView* view,
BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 direction,
uint32 flags = 0,
float tint = B_DARKEN_MAX_TINT);
virtual rgb_color SliderBarColor(const rgb_color& base);
virtual void DrawSliderBar(BView* view, BRect rect,

64
src/kits/interface/ControlLook.cpp
View File

@ -686,6 +686,70 @@ BControlLook::DrawScrollBarBackground(BView* view, BRect& rect,
}
void
BControlLook::DrawArrowShape(BView* view, BRect& rect, const BRect& updateRect,
const rgb_color& base, uint32 direction, uint32 flags, float tint)
{
BPoint tri1, tri2, tri3;
float hInset = rect.Width() / 3;
float vInset = rect.Height() / 3;
rect.InsetBy(hInset, vInset);
switch (direction) {
case B_LEFT_ARROW:
tri1.Set(rect.right, rect.top);
tri2.Set(rect.right - rect.Width() / 1.33,
(rect.top + rect.bottom + 1) /2 );
tri3.Set(rect.right, rect.bottom + 1);
break;
case B_RIGHT_ARROW:
tri1.Set(rect.left, rect.bottom + 1);
tri2.Set(rect.left + rect.Width() / 1.33,
(rect.top + rect.bottom + 1) / 2);
tri3.Set(rect.left, rect.top);
break;
case B_UP_ARROW:
tri1.Set(rect.left, rect.bottom);
tri2.Set((rect.left + rect.right + 1) / 2,
rect.bottom - rect.Height() / 1.33);
tri3.Set(rect.right + 1, rect.bottom);
break;
case B_DOWN_ARROW:
default:
tri1.Set(rect.left, rect.top);
tri2.Set((rect.left + rect.right + 1) / 2,
rect.top + rect.Height() / 1.33);
tri3.Set(rect.right + 1, rect.top);
break;
}
// offset triangle if down
if (flags & B_ACTIVATED)
view->MovePenTo(BPoint(1, 1));
else
view->MovePenTo(BPoint(0, 0));
BShape arrowShape;
arrowShape.MoveTo(tri1);
arrowShape.LineTo(tri2);
arrowShape.LineTo(tri3);
if (flags & B_DISABLED)
tint = (tint + B_NO_TINT + B_NO_TINT) / 3;
view->SetHighColor(tint_color(base, tint));
float penSize = view->PenSize();
drawing_mode mode = view->DrawingMode();
view->SetPenSize(ceilf(hInset / 2.0));
view->SetDrawingMode(B_OP_OVER);
view->StrokeShape(&arrowShape);
view->SetPenSize(penSize);
view->SetDrawingMode(mode);
}
rgb_color
BControlLook::SliderBarColor(const rgb_color& base)
{