86 lines
1.5 KiB
C++
86 lines
1.5 KiB
C++
// 18 november 2015
|
|
#include "uipriv_haiku.hpp"
|
|
|
|
// TODO scrollbars
|
|
|
|
class areaView : public BView {
|
|
public:
|
|
// C++11! Inherit constructors.
|
|
using BView::BView;
|
|
|
|
uiArea *a;
|
|
virtual void Draw(BRect updateRect);
|
|
};
|
|
|
|
struct uiArea {
|
|
uiHaikuControl c;
|
|
areaView *area;
|
|
uiAreaHandler *ah;
|
|
};
|
|
|
|
uiHaikuDefineControl(
|
|
uiArea, // type name
|
|
uiAreaType, // type function
|
|
area // handle
|
|
)
|
|
|
|
void areaView::Draw(BRect updateRect)
|
|
{
|
|
uiAreaHandler *ah = this->a->ah;
|
|
uiAreaDrawParams dp;
|
|
BRect bounds;
|
|
|
|
dp.Context = newContext(this);
|
|
|
|
bounds = this->Bounds();
|
|
dp.ClientWidth = bounds.right - bounds.left;
|
|
dp.ClientHeight = bounds.bottom - bounds.top;
|
|
|
|
dp.ClipX = updateRect.left;
|
|
dp.ClipY = updateRect.top;
|
|
dp.ClipWidth = updateRect.right - updateRect.left;
|
|
dp.ClipHeight = updateRect.bottom - updateRect.top;
|
|
|
|
// TODO scroll positions
|
|
|
|
(*(ah->Draw))(ah, this->a, &dp);
|
|
|
|
freeContext(dp.Context);
|
|
}
|
|
|
|
void uiAreaUpdateScroll(uiArea *a)
|
|
{
|
|
// TODO
|
|
}
|
|
|
|
void uiAreaQueueRedrawAll(uiArea *a)
|
|
{
|
|
// TODO does this really /queue/ a redraw? or does it redraw right away, regardless of the drawing machinery?
|
|
a->area->Invalidate();
|
|
}
|
|
|
|
uiArea *uiNewArea(uiAreaHandler *ah)
|
|
{
|
|
uiArea *a;
|
|
|
|
a = (uiArea *) uiNewControl(uiAreaType());
|
|
|
|
a->ah = ah;
|
|
|
|
// TODO:
|
|
// - B_FULL_UPDATE_ON_RESIZE?
|
|
// - B_FRAME_EVENTS?
|
|
// - B_NAVIGABLE?
|
|
// - B_SUBPIXEL_PRECISE?
|
|
// - B_INVALIDATE_AFTER_LAYOUT?
|
|
a->area = new areaView(NULL,
|
|
B_WILL_DRAW | B_SUPPORTS_LAYOUT,
|
|
NULL);
|
|
a->area->a = a;
|
|
// TODO background color
|
|
|
|
uiHaikuFinishNewControl(a, uiArea);
|
|
|
|
return a;
|
|
}
|